diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-12-15 14:52:16 -0300 |
| commit | 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch) | |
| tree | e9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/net/wireless/iwlwifi | |
| parent | a71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff) | |
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
70 files changed, 4205 insertions, 1387 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h index c160dad03..991def878 100644 --- a/drivers/net/wireless/iwlwifi/dvm/agn.h +++ b/drivers/net/wireless/iwlwifi/dvm/agn.h @@ -122,9 +122,8 @@ static inline void iwl_set_calib_hdr(struct iwl_calib_hdr *hdr, u8 cmd) void iwl_down(struct iwl_priv *priv); void iwl_cancel_deferred_work(struct iwl_priv *priv); void iwlagn_prepare_restart(struct iwl_priv *priv); -int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb); bool iwl_check_for_ct_kill(struct iwl_priv *priv); @@ -216,11 +215,9 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); -int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb); +void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb); static inline u32 iwl_tx_status_to_mac80211(u32 status) { @@ -277,9 +274,6 @@ int __must_check iwl_scan_initiate(struct iwl_priv *priv, /* bt coex */ void iwlagn_send_advance_bt_config(struct iwl_priv *priv); -int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv); void iwlagn_bt_setup_deferred_work(struct iwl_priv *priv); void iwlagn_bt_cancel_deferred_work(struct iwl_priv *priv); @@ -332,8 +326,7 @@ u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx, int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct iwl_link_quality_cmd *lq, u8 flags, bool init); -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb); int iwl_sta_update_ht(struct iwl_priv *priv, struct iwl_rxon_context *ctx, struct ieee80211_sta *sta); @@ -480,7 +473,7 @@ do { \ } while (0) #endif /* CONFIG_IWLWIFI_DEBUG */ -extern const char *const iwl_dvm_cmd_strings[REPLY_MAX]; +extern const char *const iwl_dvm_cmd_strings[REPLY_MAX + 1]; static inline const char *iwl_dvm_get_cmd_string(u8 cmd) { diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c index 0ffb6ff1a..b15e44f8d 100644 --- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c @@ -310,12 +310,8 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file, pos += scnprintf(buf + pos, buf_size - pos, "NVM version: 0x%x\n", nvm_ver); for (ofs = 0 ; ofs < eeprom_len ; ofs += 16) { - pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16 , 16, 2, buf + pos, - buf_size - pos, 0); - pos += strlen(buf + pos); - if (buf_size - pos > 0) - buf[pos++] = '\n'; + pos += scnprintf(buf + pos, buf_size - pos, "0x%.4x %16ph\n", + ofs, ptr + ofs); } ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h index 3811878ab..0ba3e56d6 100644 --- a/drivers/net/wireless/iwlwifi/dvm/dev.h +++ b/drivers/net/wireless/iwlwifi/dvm/dev.h @@ -669,6 +669,8 @@ struct iwl_priv { /* ieee device used by generic ieee processing code */ struct ieee80211_hw *hw; + struct napi_struct *napi; + struct list_head calib_results; struct workqueue_struct *workqueue; @@ -678,9 +680,8 @@ struct iwl_priv { enum ieee80211_band band; u8 valid_contexts; - int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb); struct iwl_notif_wait_data notif_wait; diff --git a/drivers/net/wireless/iwlwifi/dvm/lib.c b/drivers/net/wireless/iwlwifi/dvm/lib.c index 1d2223df5..e18629a16 100644 --- a/drivers/net/wireless/iwlwifi/dvm/lib.c +++ b/drivers/net/wireless/iwlwifi/dvm/lib.c @@ -659,9 +659,8 @@ static bool iwlagn_fill_txpower_mode(struct iwl_priv *priv, return need_update; } -int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif *coex = (void *)pkt->data; @@ -669,7 +668,7 @@ int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, if (priv->bt_enable_flag == IWLAGN_BT_FLAG_COEX_MODE_DISABLED) { /* bt coex disabled */ - return 0; + return; } IWL_DEBUG_COEX(priv, "BT Coex notification:\n"); @@ -714,7 +713,6 @@ int iwlagn_bt_coex_profile_notif(struct iwl_priv *priv, /* FIXME: based on notification, adjust the prio_boost */ priv->bt_ci_compliance = coex->bt_ci_compliance; - return 0; } void iwlagn_bt_rx_handler_setup(struct iwl_priv *priv) @@ -1022,7 +1020,7 @@ static void iwlagn_wowlan_program_keys(struct ieee80211_hw *hw, u8 *pn = seq.ccmp.pn; ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64( + aes_sc[i].pn = cpu_to_le64( (u64)pn[5] | ((u64)pn[4] << 8) | ((u64)pn[3] << 16) | diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index 7acaa266b..453f7c315 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -250,12 +250,24 @@ static int __iwl_up(struct iwl_priv *priv) } } + ret = iwl_trans_start_hw(priv->trans); + if (ret) { + IWL_ERR(priv, "Failed to start HW: %d\n", ret); + goto error; + } + ret = iwl_run_init_ucode(priv); if (ret) { IWL_ERR(priv, "Failed to run INIT ucode: %d\n", ret); goto error; } + ret = iwl_trans_start_hw(priv->trans); + if (ret) { + IWL_ERR(priv, "Failed to start HW: %d\n", ret); + goto error; + } + ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_REGULAR); if (ret) { IWL_ERR(priv, "Failed to start RT ucode: %d\n", ret); @@ -432,7 +444,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw) u32 error_id; } err_info; struct iwl_notification_wait status_wait; - static const u8 status_cmd[] = { + static const u16 status_cmd[] = { REPLY_WOWLAN_GET_STATUS, }; struct iwlagn_wowlan_status status_data = {}; diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 234e30f49..e7616f0ee 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -2029,17 +2029,6 @@ static bool iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) return false; } -static void iwl_napi_add(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct net_device *napi_dev, - int (*poll)(struct napi_struct *, int), - int weight) -{ - struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); - - ieee80211_napi_add(priv->hw, napi, napi_dev, poll, weight); -} - static const struct iwl_op_mode_ops iwl_dvm_ops = { .start = iwl_op_mode_dvm_start, .stop = iwl_op_mode_dvm_stop, @@ -2052,7 +2041,6 @@ static const struct iwl_op_mode_ops iwl_dvm_ops = { .cmd_queue_full = iwl_cmd_queue_full, .nic_config = iwl_nic_config, .wimax_active = iwl_wimax_active, - .napi_add = iwl_napi_add, }; /***************************************************************************** diff --git a/drivers/net/wireless/iwlwifi/dvm/rs.c b/drivers/net/wireless/iwlwifi/dvm/rs.c index 3bd7c86e9..cef921c1a 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rs.c +++ b/drivers/net/wireless/iwlwifi/dvm/rs.c @@ -1416,11 +1416,11 @@ static int rs_switch_to_siso(struct iwl_priv *priv, /* * Try to switch to new modulation mode from legacy */ -static int rs_move_legacy_other(struct iwl_priv *priv, - struct iwl_lq_sta *lq_sta, - struct ieee80211_conf *conf, - struct ieee80211_sta *sta, - int index) +static void rs_move_legacy_other(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta, + struct ieee80211_conf *conf, + struct ieee80211_sta *sta, + int index) { struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); struct iwl_scale_tbl_info *search_tbl = @@ -1575,7 +1575,7 @@ static int rs_move_legacy_other(struct iwl_priv *priv, } search_tbl->lq_type = LQ_NONE; - return 0; + return; out: lq_sta->search_better_tbl = 1; @@ -1584,17 +1584,15 @@ out: tbl->action = IWL_LEGACY_SWITCH_ANTENNA1; if (update_search_tbl_counter) search_tbl->action = tbl->action; - return 0; - } /* * Try to switch to new modulation mode from SISO */ -static int rs_move_siso_to_other(struct iwl_priv *priv, - struct iwl_lq_sta *lq_sta, - struct ieee80211_conf *conf, - struct ieee80211_sta *sta, int index) +static void rs_move_siso_to_other(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta, + struct ieee80211_conf *conf, + struct ieee80211_sta *sta, int index) { u8 is_green = lq_sta->is_green; struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); @@ -1747,7 +1745,7 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, break; } search_tbl->lq_type = LQ_NONE; - return 0; + return; out: lq_sta->search_better_tbl = 1; @@ -1756,17 +1754,15 @@ static int rs_move_siso_to_other(struct iwl_priv *priv, tbl->action = IWL_SISO_SWITCH_ANTENNA1; if (update_search_tbl_counter) search_tbl->action = tbl->action; - - return 0; } /* * Try to switch to new modulation mode from MIMO2 */ -static int rs_move_mimo2_to_other(struct iwl_priv *priv, - struct iwl_lq_sta *lq_sta, - struct ieee80211_conf *conf, - struct ieee80211_sta *sta, int index) +static void rs_move_mimo2_to_other(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta, + struct ieee80211_conf *conf, + struct ieee80211_sta *sta, int index) { s8 is_green = lq_sta->is_green; struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); @@ -1917,7 +1913,7 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv, break; } search_tbl->lq_type = LQ_NONE; - return 0; + return; out: lq_sta->search_better_tbl = 1; tbl->action++; @@ -1926,17 +1922,15 @@ static int rs_move_mimo2_to_other(struct iwl_priv *priv, if (update_search_tbl_counter) search_tbl->action = tbl->action; - return 0; - } /* * Try to switch to new modulation mode from MIMO3 */ -static int rs_move_mimo3_to_other(struct iwl_priv *priv, - struct iwl_lq_sta *lq_sta, - struct ieee80211_conf *conf, - struct ieee80211_sta *sta, int index) +static void rs_move_mimo3_to_other(struct iwl_priv *priv, + struct iwl_lq_sta *lq_sta, + struct ieee80211_conf *conf, + struct ieee80211_sta *sta, int index) { s8 is_green = lq_sta->is_green; struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); @@ -2093,7 +2087,7 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv, break; } search_tbl->lq_type = LQ_NONE; - return 0; + return; out: lq_sta->search_better_tbl = 1; tbl->action++; @@ -2101,9 +2095,6 @@ static int rs_move_mimo3_to_other(struct iwl_priv *priv, tbl->action = IWL_MIMO3_SWITCH_ANTENNA1; if (update_search_tbl_counter) search_tbl->action = tbl->action; - - return 0; - } /* diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c index debec963c..4a45b0b59 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rx.c +++ b/drivers/net/wireless/iwlwifi/dvm/rx.c @@ -39,7 +39,7 @@ #define IWL_CMD_ENTRY(x) [x] = #x -const char *const iwl_dvm_cmd_strings[REPLY_MAX] = { +const char *const iwl_dvm_cmd_strings[REPLY_MAX + 1] = { IWL_CMD_ENTRY(REPLY_ALIVE), IWL_CMD_ENTRY(REPLY_ERROR), IWL_CMD_ENTRY(REPLY_ECHO), @@ -123,9 +123,8 @@ const char *const iwl_dvm_cmd_strings[REPLY_MAX] = { * ******************************************************************************/ -static int iwlagn_rx_reply_error(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_reply_error(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_error_resp *err_resp = (void *)pkt->data; @@ -136,11 +135,9 @@ static int iwlagn_rx_reply_error(struct iwl_priv *priv, err_resp->cmd_id, le16_to_cpu(err_resp->bad_cmd_seq_num), le32_to_cpu(err_resp->error_info)); - return 0; } -static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_csa_notification *csa = (void *)pkt->data; @@ -152,7 +149,7 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, struct iwl_rxon_cmd *rxon = (void *)&ctx->active; if (!test_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status)) - return 0; + return; if (!le32_to_cpu(csa->status) && csa->channel == priv->switch_channel) { rxon->channel = csa->channel; @@ -165,13 +162,11 @@ static int iwlagn_rx_csa(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, le16_to_cpu(csa->channel)); iwl_chswitch_done(priv, false); } - return 0; } -static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_spectrum_notification *report = (void *)pkt->data; @@ -179,17 +174,15 @@ static int iwlagn_rx_spectrum_measure_notif(struct iwl_priv *priv, if (!report->state) { IWL_DEBUG_11H(priv, "Spectrum Measure Notification: Start\n"); - return 0; + return; } memcpy(&priv->measure_report, report, sizeof(*report)); priv->measurement_status |= MEASUREMENT_READY; - return 0; } -static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -197,24 +190,20 @@ static int iwlagn_rx_pm_sleep_notif(struct iwl_priv *priv, IWL_DEBUG_RX(priv, "sleep mode: %d, src: %d\n", sleep->pm_sleep_mode, sleep->pm_wakeup_src); #endif - return 0; } -static int iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_pm_debug_statistics_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 __maybe_unused len = iwl_rx_packet_len(pkt); IWL_DEBUG_RADIO(priv, "Dumping %d bytes of unhandled " "notification for PM_DEBUG_STATISTIC_NOTIFIC:\n", len); iwl_print_hex_dump(priv, IWL_DL_RADIO, pkt->data, len); - return 0; } -static int iwlagn_rx_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_beacon_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwlagn_beacon_notif *beacon = (void *)pkt->data; @@ -232,8 +221,6 @@ static int iwlagn_rx_beacon_notif(struct iwl_priv *priv, #endif priv->ibss_manager = le32_to_cpu(beacon->ibss_mgr_status); - - return 0; } /** @@ -448,9 +435,8 @@ iwlagn_accumulative_statistics(struct iwl_priv *priv, } #endif -static int iwlagn_rx_statistics(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_statistics(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { unsigned long stamp = jiffies; const int reg_recalib_period = 60; @@ -505,7 +491,7 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, len, sizeof(struct iwl_bt_notif_statistics), sizeof(struct iwl_notif_statistics)); spin_unlock(&priv->statistics.lock); - return 0; + return; } change = common->temperature != priv->statistics.common.temperature || @@ -550,13 +536,10 @@ static int iwlagn_rx_statistics(struct iwl_priv *priv, priv->lib->temperature(priv); spin_unlock(&priv->statistics.lock); - - return 0; } -static int iwlagn_rx_reply_statistics(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_reply_statistics(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_notif_statistics *stats = (void *)pkt->data; @@ -572,15 +555,14 @@ static int iwlagn_rx_reply_statistics(struct iwl_priv *priv, #endif IWL_DEBUG_RX(priv, "Statistics have been cleared\n"); } - iwlagn_rx_statistics(priv, rxb, cmd); - return 0; + + iwlagn_rx_statistics(priv, rxb); } /* Handle notification from uCode that card's power state is changing * due to software, hardware, or critical temperature RFKILL */ -static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_card_state_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; @@ -627,12 +609,10 @@ static int iwlagn_rx_card_state_notif(struct iwl_priv *priv, test_bit(STATUS_RF_KILL_HW, &priv->status))) wiphy_rfkill_set_hw_state(priv->hw->wiphy, test_bit(STATUS_RF_KILL_HW, &priv->status)); - return 0; } -static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -649,14 +629,12 @@ static int iwlagn_rx_missed_beacon_notif(struct iwl_priv *priv, if (!test_bit(STATUS_SCANNING, &priv->status)) iwl_init_sensitivity(priv); } - return 0; } /* Cache phy data (Rx signal strength, etc) for HT frame (REPLY_RX_PHY_CMD). * This will be used later in iwl_rx_reply_rx() for REPLY_RX_MPDU_CMD. */ -static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_reply_rx_phy(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -664,7 +642,6 @@ static int iwlagn_rx_reply_rx_phy(struct iwl_priv *priv, priv->ampdu_ref++; memcpy(&priv->last_phy_res, pkt->data, sizeof(struct iwl_rx_phy_res)); - return 0; } /* @@ -786,7 +763,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, memcpy(IEEE80211_SKB_RXCB(skb), stats, sizeof(*stats)); - ieee80211_rx(priv->hw, skb); + ieee80211_rx_napi(priv->hw, skb, priv->napi); } static u32 iwlagn_translate_rx_status(struct iwl_priv *priv, u32 decrypt_in) @@ -890,9 +867,8 @@ static int iwlagn_calc_rssi(struct iwl_priv *priv, } /* Called for REPLY_RX_MPDU_CMD */ -static int iwlagn_rx_reply_rx(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_reply_rx(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct ieee80211_hdr *header; struct ieee80211_rx_status rx_status = {}; @@ -906,7 +882,7 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, if (!priv->last_phy_res_valid) { IWL_ERR(priv, "MPDU frame without cached PHY data\n"); - return 0; + return; } phy_res = &priv->last_phy_res; amsdu = (struct iwl_rx_mpdu_res_start *)pkt->data; @@ -919,14 +895,14 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, if ((unlikely(phy_res->cfg_phy_cnt > 20))) { IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d\n", phy_res->cfg_phy_cnt); - return 0; + return; } if (!(rx_pkt_status & RX_RES_STATUS_NO_CRC32_ERROR) || !(rx_pkt_status & RX_RES_STATUS_NO_RXE_OVERFLOW)) { IWL_DEBUG_RX(priv, "Bad CRC or FIFO: 0x%08X.\n", le32_to_cpu(rx_pkt_status)); - return 0; + return; } /* This will be used in several places later */ @@ -998,12 +974,10 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv, iwlagn_pass_packet_to_mac80211(priv, header, len, ampdu_status, rxb, &rx_status); - return 0; } -static int iwlagn_rx_noa_notification(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwlagn_rx_noa_notification(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_wipan_noa_data *new_data, *old_data; struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -1041,8 +1015,6 @@ static int iwlagn_rx_noa_notification(struct iwl_priv *priv, if (old_data) kfree_rcu(old_data, rcu_head); - - return 0; } /** @@ -1053,8 +1025,7 @@ static int iwlagn_rx_noa_notification(struct iwl_priv *priv, */ void iwl_setup_rx_handlers(struct iwl_priv *priv) { - int (**handlers)(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (**handlers)(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb); handlers = priv->rx_handlers; @@ -1102,12 +1073,11 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv) iwlagn_bt_rx_handler_setup(priv); } -int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode); - int err = 0; /* * Do the notification wait before RX handlers so @@ -1121,12 +1091,11 @@ int iwl_rx_dispatch(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, * rx_handlers table. See iwl_setup_rx_handlers() */ if (priv->rx_handlers[pkt->hdr.cmd]) { priv->rx_handlers_stats[pkt->hdr.cmd]++; - err = priv->rx_handlers[pkt->hdr.cmd] (priv, rxb, cmd); + priv->rx_handlers[pkt->hdr.cmd](priv, rxb); } else { /* No handling needed */ IWL_DEBUG_RX(priv, "No handler needed for %s, 0x%02x\n", iwl_dvm_get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd); } - return err; } diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index ed50de636..85ceceb34 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -123,7 +124,7 @@ static int iwlagn_disable_pan(struct iwl_priv *priv, __le32 old_filter = send->filter_flags; u8 old_dev_type = send->dev_type; int ret; - static const u8 deactivate_cmd[] = { + static const u16 deactivate_cmd[] = { REPLY_WIPAN_DEACTIVATION_COMPLETE }; diff --git a/drivers/net/wireless/iwlwifi/dvm/scan.c b/drivers/net/wireless/iwlwifi/dvm/scan.c index 43bef901e..648159495 100644 --- a/drivers/net/wireless/iwlwifi/dvm/scan.c +++ b/drivers/net/wireless/iwlwifi/dvm/scan.c @@ -247,9 +247,8 @@ void iwl_scan_cancel_timeout(struct iwl_priv *priv, unsigned long ms) } /* Service response to REPLY_SCAN_CMD (0x80) */ -static int iwl_rx_reply_scan(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_rx_reply_scan(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -257,13 +256,11 @@ static int iwl_rx_reply_scan(struct iwl_priv *priv, IWL_DEBUG_SCAN(priv, "Scan request status = 0x%x\n", notif->status); #endif - return 0; } /* Service SCAN_START_NOTIFICATION (0x82) */ -static int iwl_rx_scan_start_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_rx_scan_start_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_scanstart_notification *notif = (void *)pkt->data; @@ -277,14 +274,11 @@ static int iwl_rx_scan_start_notif(struct iwl_priv *priv, le32_to_cpu(notif->tsf_high), le32_to_cpu(notif->tsf_low), notif->status, notif->beacon_timer); - - return 0; } /* Service SCAN_RESULTS_NOTIFICATION (0x83) */ -static int iwl_rx_scan_results_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_rx_scan_results_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { #ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -303,13 +297,11 @@ static int iwl_rx_scan_results_notif(struct iwl_priv *priv, le32_to_cpu(notif->statistics[0]), le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf); #endif - return 0; } /* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ -static int iwl_rx_scan_complete_notif(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_scancomplete_notification *scan_notif = (void *)pkt->data; @@ -356,7 +348,6 @@ static int iwl_rx_scan_complete_notif(struct iwl_priv *priv, queue_work(priv->workqueue, &priv->bt_traffic_change_work); } - return 0; } void iwl_setup_rx_scan_handlers(struct iwl_priv *priv) diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index 6ec86adbe..0fa67d3b7 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -60,41 +60,28 @@ static int iwl_sta_ucode_activate(struct iwl_priv *priv, u8 sta_id) return 0; } -static int iwl_process_add_sta_resp(struct iwl_priv *priv, - struct iwl_addsta_cmd *addsta, - struct iwl_rx_packet *pkt) +static void iwl_process_add_sta_resp(struct iwl_priv *priv, + struct iwl_rx_packet *pkt) { struct iwl_add_sta_resp *add_sta_resp = (void *)pkt->data; - u8 sta_id = addsta->sta.sta_id; - int ret = -EIO; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from REPLY_ADD_STA (0x%08X)\n", - pkt->hdr.flags); - return ret; - } - - IWL_DEBUG_INFO(priv, "Processing response for adding station %u\n", - sta_id); + IWL_DEBUG_INFO(priv, "Processing response for adding station\n"); spin_lock_bh(&priv->sta_lock); switch (add_sta_resp->status) { case ADD_STA_SUCCESS_MSK: IWL_DEBUG_INFO(priv, "REPLY_ADD_STA PASSED\n"); - ret = iwl_sta_ucode_activate(priv, sta_id); break; case ADD_STA_NO_ROOM_IN_TABLE: - IWL_ERR(priv, "Adding station %d failed, no room in table.\n", - sta_id); + IWL_ERR(priv, "Adding station failed, no room in table.\n"); break; case ADD_STA_NO_BLOCK_ACK_RESOURCE: - IWL_ERR(priv, "Adding station %d failed, no block ack " - "resource.\n", sta_id); + IWL_ERR(priv, + "Adding station failed, no block ack resource.\n"); break; case ADD_STA_MODIFY_NON_EXIST_STA: - IWL_ERR(priv, "Attempting to modify non-existing station %d\n", - sta_id); + IWL_ERR(priv, "Attempting to modify non-existing station\n"); break; default: IWL_DEBUG_ASSOC(priv, "Received REPLY_ADD_STA:(0x%08X)\n", @@ -102,37 +89,14 @@ static int iwl_process_add_sta_resp(struct iwl_priv *priv, break; } - IWL_DEBUG_INFO(priv, "%s station id %u addr %pM\n", - priv->stations[sta_id].sta.mode == - STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", - sta_id, priv->stations[sta_id].sta.sta.addr); - - /* - * XXX: The MAC address in the command buffer is often changed from - * the original sent to the device. That is, the MAC address - * written to the command buffer often is not the same MAC address - * read from the command buffer when the command returns. This - * issue has not yet been resolved and this debugging is left to - * observe the problem. - */ - IWL_DEBUG_INFO(priv, "%s station according to cmd buffer %pM\n", - priv->stations[sta_id].sta.mode == - STA_CONTROL_MODIFY_MSK ? "Modified" : "Added", - addsta->sta.addr); spin_unlock_bh(&priv->sta_lock); - - return ret; } -int iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_add_sta_callback(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - if (!cmd) - return 0; - - return iwl_process_add_sta_resp(priv, (void *)cmd->payload, pkt); + iwl_process_add_sta_resp(priv, pkt); } int iwl_send_add_sta(struct iwl_priv *priv, @@ -146,6 +110,8 @@ int iwl_send_add_sta(struct iwl_priv *priv, .len = { sizeof(*sta), }, }; u8 sta_id __maybe_unused = sta->sta.sta_id; + struct iwl_rx_packet *pkt; + struct iwl_add_sta_resp *add_sta_resp; IWL_DEBUG_INFO(priv, "Adding sta %u (%pM) %ssynchronously\n", sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : ""); @@ -159,16 +125,22 @@ int iwl_send_add_sta(struct iwl_priv *priv, if (ret || (flags & CMD_ASYNC)) return ret; - /*else the command was successfully sent in SYNC mode, need to free - * the reply page */ - iwl_free_resp(&cmd); + pkt = cmd.resp_pkt; + add_sta_resp = (void *)pkt->data; - if (cmd.handler_status) - IWL_ERR(priv, "%s - error in the CMD response %d\n", __func__, - cmd.handler_status); + /* debug messages are printed in the handler */ + if (add_sta_resp->status == ADD_STA_SUCCESS_MSK) { + spin_lock_bh(&priv->sta_lock); + ret = iwl_sta_ucode_activate(priv, sta_id); + spin_unlock_bh(&priv->sta_lock); + } else { + ret = -EIO; + } - return cmd.handler_status; + iwl_free_resp(&cmd); + + return ret; } bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv, @@ -452,6 +424,7 @@ static int iwl_send_remove_station(struct iwl_priv *priv, struct iwl_rx_packet *pkt; int ret; struct iwl_rem_sta_cmd rm_sta_cmd; + struct iwl_rem_sta_resp *rem_sta_resp; struct iwl_host_cmd cmd = { .id = REPLY_REMOVE_STA, @@ -471,29 +444,23 @@ static int iwl_send_remove_station(struct iwl_priv *priv, return ret; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(priv, "Bad return from REPLY_REMOVE_STA (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - } + rem_sta_resp = (void *)pkt->data; - if (!ret) { - struct iwl_rem_sta_resp *rem_sta_resp = (void *)pkt->data; - switch (rem_sta_resp->status) { - case REM_STA_SUCCESS_MSK: - if (!temporary) { - spin_lock_bh(&priv->sta_lock); - iwl_sta_ucode_deactivate(priv, sta_id); - spin_unlock_bh(&priv->sta_lock); - } - IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); - break; - default: - ret = -EIO; - IWL_ERR(priv, "REPLY_REMOVE_STA failed\n"); - break; + switch (rem_sta_resp->status) { + case REM_STA_SUCCESS_MSK: + if (!temporary) { + spin_lock_bh(&priv->sta_lock); + iwl_sta_ucode_deactivate(priv, sta_id); + spin_unlock_bh(&priv->sta_lock); } + IWL_DEBUG_ASSOC(priv, "REPLY_REMOVE_STA PASSED\n"); + break; + default: + ret = -EIO; + IWL_ERR(priv, "REPLY_REMOVE_STA failed\n"); + break; } + iwl_free_resp(&cmd); return ret; diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index 275df12a6..bddd19769 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -1128,8 +1128,7 @@ static void iwl_check_abort_status(struct iwl_priv *priv, } } -int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); @@ -1273,8 +1272,6 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, skb = __skb_dequeue(&skbs); ieee80211_tx_status(priv->hw, skb); } - - return 0; } /** @@ -1283,9 +1280,8 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, * Handles block-acknowledge notification from device, which reports success * of frames sent via aggregation. */ -int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_compressed_ba_resp *ba_resp = (void *)pkt->data; @@ -1306,7 +1302,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, if (scd_flow >= priv->cfg->base_params->num_of_queues) { IWL_ERR(priv, "BUG_ON scd_flow is bigger than number of queues\n"); - return 0; + return; } sta_id = ba_resp->sta_id; @@ -1319,7 +1315,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, if (unlikely(ba_resp->bitmap)) IWL_ERR(priv, "Received BA when not expected\n"); spin_unlock_bh(&priv->sta_lock); - return 0; + return; } if (unlikely(scd_flow != agg->txq_id)) { @@ -1333,7 +1329,7 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, "Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n", scd_flow, sta_id, tid, agg->txq_id); spin_unlock_bh(&priv->sta_lock); - return 0; + return; } __skb_queue_head_init(&reclaimed_skbs); @@ -1413,6 +1409,4 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv, skb = __skb_dequeue(&reclaimed_skbs); ieee80211_tx_status(priv->hw, skb); } - - return 0; } diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c index 5244e43bf..931a8e426 100644 --- a/drivers/net/wireless/iwlwifi/dvm/ucode.c +++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c @@ -3,6 +3,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -327,7 +328,7 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv, const struct fw_img *fw; int ret; enum iwl_ucode_type old_type; - static const u8 alive_cmd[] = { REPLY_ALIVE }; + static const u16 alive_cmd[] = { REPLY_ALIVE }; fw = iwl_get_ucode_image(priv, ucode_type); if (WARN_ON(!fw)) @@ -406,7 +407,7 @@ static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait, int iwl_run_init_ucode(struct iwl_priv *priv) { struct iwl_notification_wait calib_wait; - static const u8 calib_complete[] = { + static const u16 calib_complete[] = { CALIBRATION_RES_NOTIFICATION, CALIBRATION_COMPLETE_NOTIFICATION }; diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c index 54cc2c135..4d5d8c0d7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/iwlwifi/iwl-7000.c @@ -69,14 +69,14 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL7260_UCODE_API_MAX 15 +#define IWL7260_UCODE_API_MAX 17 /* Oldest version we won't warn about */ #define IWL7260_UCODE_API_OK 12 #define IWL3165_UCODE_API_OK 13 /* Lowest firmware API version supported */ -#define IWL7260_UCODE_API_MIN 10 +#define IWL7260_UCODE_API_MIN 12 #define IWL3165_UCODE_API_MIN 13 /* NVM versions */ diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c index 5882da5fb..251e97d34 100644 --- a/drivers/net/wireless/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/iwlwifi/iwl-8000.c @@ -69,13 +69,13 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL8000_UCODE_API_MAX 15 +#define IWL8000_UCODE_API_MAX 17 /* Oldest version we won't warn about */ #define IWL8000_UCODE_API_OK 12 /* Lowest firmware API version supported */ -#define IWL8000_UCODE_API_MIN 10 +#define IWL8000_UCODE_API_MIN 12 /* NVM versions */ #define IWL8000_NVM_VERSION 0x0a1d @@ -97,8 +97,9 @@ #define DEFAULT_NVM_FILE_FAMILY_8000B "/*(DEBLOBBED)*/" #define DEFAULT_NVM_FILE_FAMILY_8000C "/*(DEBLOBBED)*/" -/* Max SDIO RX aggregation size of the ADDBA request/response */ -#define MAX_RX_AGG_SIZE_8260_SDIO 28 +/* Max SDIO RX/TX aggregation sizes of the ADDBA request/response */ +#define MAX_RX_AGG_SIZE_8260_SDIO 21 +#define MAX_TX_AGG_SIZE_8260_SDIO 40 /* Max A-MPDU exponent for HT and VHT */ #define MAX_HT_AMPDU_EXPONENT_8260_SDIO IEEE80211_HT_MAX_AMPDU_32K @@ -154,6 +155,7 @@ static const struct iwl_tt_params iwl8000_tt_params = { .led_mode = IWL_LED_RF_STATE, \ .nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_8000, \ .d0i3 = true, \ + .features = NETIF_F_RXCSUM, \ .non_shared_ant = ANT_A, \ .dccm_offset = IWL8260_DCCM_OFFSET, \ .dccm_len = IWL8260_DCCM_LEN, \ @@ -203,6 +205,7 @@ const struct iwl_cfg iwl8260_2ac_sdio_cfg = { .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, .max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO, + .max_tx_agg_size = MAX_TX_AGG_SIZE_8260_SDIO, .disable_dummy_notification = true, .max_ht_ampdu_exponent = MAX_HT_AMPDU_EXPONENT_8260_SDIO, .max_vht_ampdu_exponent = MAX_VHT_AMPDU_EXPONENT_8260_SDIO, @@ -216,6 +219,7 @@ const struct iwl_cfg iwl4165_2ac_sdio_cfg = { .nvm_ver = IWL8000_NVM_VERSION, .nvm_calib_ver = IWL8000_TX_POWER_VERSION, .max_rx_agg_size = MAX_RX_AGG_SIZE_8260_SDIO, + .max_tx_agg_size = MAX_TX_AGG_SIZE_8260_SDIO, .bt_shared_single_ant = true, .disable_dummy_notification = true, .max_ht_ampdu_exponent = MAX_HT_AMPDU_EXPONENT_8260_SDIO, diff --git a/drivers/net/wireless/iwlwifi/iwl-config.h b/drivers/net/wireless/iwlwifi/iwl-config.h index 08c14afeb..939fa229c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/iwlwifi/iwl-config.h @@ -297,6 +297,7 @@ struct iwl_pwr_tx_backoff { * mode set * @d0i3: device uses d0i3 instead of d3 * @nvm_hw_section_num: the ID of the HW NVM section + * @features: hw features, any combination of feature_whitelist * @pwr_tx_backoffs: translation table between power limits and backoffs * @max_rx_agg_size: max RX aggregation size of the ADDBA request/response * @max_tx_agg_size: max TX aggregation size of the ADDBA request/response @@ -348,6 +349,7 @@ struct iwl_cfg { bool no_power_up_nic_in_init; const char *default_nvm_file_B_step; const char *default_nvm_file_C_step; + netdev_features_t features; unsigned int max_rx_agg_size; bool disable_dummy_notification; unsigned int max_tx_agg_size; diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h index faa17f2e3..543abeaff 100644 --- a/drivers/net/wireless/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/iwlwifi/iwl-csr.h @@ -200,6 +200,7 @@ #define CSR_INT_BIT_FH_TX (1 << 27) /* Tx DMA FH_INT[1:0] */ #define CSR_INT_BIT_SCD (1 << 26) /* TXQ pointer advanced */ #define CSR_INT_BIT_SW_ERR (1 << 25) /* uCode error */ +#define CSR_INT_BIT_PAGING (1 << 24) /* SDIO PAGING */ #define CSR_INT_BIT_RF_KILL (1 << 7) /* HW RFKILL switch GP_CNTRL[27] toggled */ #define CSR_INT_BIT_CT_KILL (1 << 6) /* Critical temp (chip too hot) rfkill */ #define CSR_INT_BIT_SW_RX (1 << 3) /* Rx, command responses */ @@ -210,6 +211,7 @@ CSR_INT_BIT_HW_ERR | \ CSR_INT_BIT_FH_TX | \ CSR_INT_BIT_SW_ERR | \ + CSR_INT_BIT_PAGING | \ CSR_INT_BIT_RF_KILL | \ CSR_INT_BIT_SW_RX | \ CSR_INT_BIT_WAKEUP | \ @@ -422,6 +424,7 @@ enum { /* DRAM INT TABLE */ #define CSR_DRAM_INT_TBL_ENABLE (1 << 31) +#define CSR_DRAM_INIT_TBL_WRITE_POINTER (1 << 28) #define CSR_DRAM_INIT_TBL_WRAP_CHECK (1 << 27) /* diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h b/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h index 04e664934..71a78cede 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace-data.h @@ -35,8 +35,8 @@ TRACE_EVENT(iwlwifi_dev_tx_data, TP_PROTO(const struct device *dev, struct sk_buff *skb, - void *data, size_t data_len), - TP_ARGS(dev, skb, data, data_len), + u8 hdr_len, size_t data_len), + TP_ARGS(dev, skb, hdr_len, data_len), TP_STRUCT__entry( DEV_ENTRY @@ -45,7 +45,8 @@ TRACE_EVENT(iwlwifi_dev_tx_data, TP_fast_assign( DEV_ASSIGN; if (iwl_trace_data(skb)) - memcpy(__get_dynamic_array(data), data, data_len); + skb_copy_bits(skb, hdr_len, + __get_dynamic_array(data), data_len); ), TP_printk("[%s] TX frame data", __get_str(dev)) ); diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace-iwlwifi.h b/drivers/net/wireless/iwlwifi/iwl-devtrace-iwlwifi.h index 948ce0802..eb4b99a1c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-devtrace-iwlwifi.h +++ b/drivers/net/wireless/iwlwifi/iwl-devtrace-iwlwifi.h @@ -36,7 +36,7 @@ TRACE_EVENT(iwlwifi_dev_hcmd, TP_PROTO(const struct device *dev, struct iwl_host_cmd *cmd, u16 total_size, - struct iwl_cmd_header *hdr), + struct iwl_cmd_header_wide *hdr), TP_ARGS(dev, cmd, total_size, hdr), TP_STRUCT__entry( DEV_ENTRY @@ -44,11 +44,14 @@ TRACE_EVENT(iwlwifi_dev_hcmd, __field(u32, flags) ), TP_fast_assign( - int i, offset = sizeof(*hdr); + int i, offset = sizeof(struct iwl_cmd_header); + + if (hdr->group_id) + offset = sizeof(struct iwl_cmd_header_wide); DEV_ASSIGN; __entry->flags = cmd->flags; - memcpy(__get_dynamic_array(hcmd), hdr, sizeof(*hdr)); + memcpy(__get_dynamic_array(hcmd), hdr, offset); for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) { if (!cmd->len[i]) @@ -58,8 +61,9 @@ TRACE_EVENT(iwlwifi_dev_hcmd, offset += cmd->len[i]; } ), - TP_printk("[%s] hcmd %#.2x (%ssync)", - __get_str(dev), ((u8 *)__get_dynamic_array(hcmd))[0], + TP_printk("[%s] hcmd %#.2x.%#.2x (%ssync)", + __get_str(dev), ((u8 *)__get_dynamic_array(hcmd))[1], + ((u8 *)__get_dynamic_array(hcmd))[0], __entry->flags & CMD_ASYNC ? "a" : "") ); diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index 8b56901d8..56ed4526a 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -372,6 +372,30 @@ static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) return 0; } +static int iwl_store_gscan_capa(struct iwl_fw *fw, const u8 *data, + const u32 len) +{ + struct iwl_fw_gscan_capabilities *fw_capa = (void *)data; + struct iwl_gscan_capabilities *capa = &fw->gscan_capa; + + if (len < sizeof(*fw_capa)) + return -EINVAL; + + capa->max_scan_cache_size = le32_to_cpu(fw_capa->max_scan_cache_size); + capa->max_scan_buckets = le32_to_cpu(fw_capa->max_scan_buckets); + capa->max_ap_cache_per_scan = + le32_to_cpu(fw_capa->max_ap_cache_per_scan); + capa->max_rssi_sample_size = le32_to_cpu(fw_capa->max_rssi_sample_size); + capa->max_scan_reporting_threshold = + le32_to_cpu(fw_capa->max_scan_reporting_threshold); + capa->max_hotlist_aps = le32_to_cpu(fw_capa->max_hotlist_aps); + capa->max_significant_change_aps = + le32_to_cpu(fw_capa->max_significant_change_aps); + capa->max_bssid_history_entries = + le32_to_cpu(fw_capa->max_bssid_history_entries); + return 0; +} + /* * Gets uCode section from tlv. */ @@ -573,13 +597,15 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, size_t len = ucode_raw->size; const u8 *data; u32 tlv_len; + u32 usniffer_img; enum iwl_ucode_tlv_type tlv_type; const u8 *tlv_data; char buildstr[25]; - u32 build; + u32 build, paging_mem_size; int num_of_cpus; bool usniffer_images = false; bool usniffer_req = false; + bool gscan_capa = false; if (len < sizeof(*ucode)) { IWL_ERR(drv, "uCode has invalid length: %zd\n", len); @@ -955,12 +981,46 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, IWL_UCODE_REGULAR_USNIFFER, tlv_len); break; + case IWL_UCODE_TLV_PAGING: + if (tlv_len != sizeof(u32)) + goto invalid_tlv_len; + paging_mem_size = le32_to_cpup((__le32 *)tlv_data); + + IWL_DEBUG_FW(drv, + "Paging: paging enabled (size = %u bytes)\n", + paging_mem_size); + + if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) { + IWL_ERR(drv, + "Paging: driver supports up to %lu bytes for paging image\n", + MAX_PAGING_IMAGE_SIZE); + return -EINVAL; + } + + if (paging_mem_size & (FW_PAGING_SIZE - 1)) { + IWL_ERR(drv, + "Paging: image isn't multiple %lu\n", + FW_PAGING_SIZE); + return -EINVAL; + } + + drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size = + paging_mem_size; + usniffer_img = IWL_UCODE_REGULAR_USNIFFER; + drv->fw.img[usniffer_img].paging_mem_size = + paging_mem_size; + break; case IWL_UCODE_TLV_SDIO_ADMA_ADDR: if (tlv_len != sizeof(u32)) goto invalid_tlv_len; drv->fw.sdio_adma_addr = le32_to_cpup((__le32 *)tlv_data); break; + case IWL_UCODE_TLV_FW_GSCAN_CAPA: + if (iwl_store_gscan_capa(&drv->fw, tlv_data, tlv_len)) + goto invalid_tlv_len; + gscan_capa = true; + break; default: IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type); break; @@ -979,6 +1039,16 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, return -EINVAL; } + /* + * If ucode advertises that it supports GSCAN but GSCAN + * capabilities TLV is not present, warn and continue without GSCAN. + */ + if (fw_has_capa(capa, IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT) && + WARN(!gscan_capa, + "GSCAN is supported but capabilities TLV is unavailable\n")) + __clear_bit((__force long)IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT, + capa->_capa); + return 0; invalid_tlv_len: diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c index 21302b6f2..acc3d186c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom-parse.c @@ -713,12 +713,12 @@ int iwl_init_sband_channels(struct iwl_nvm_data *data, struct ieee80211_channel *chan = &data->channels[0]; int n = 0, idx = 0; - while (chan->band != band && idx < n_channels) + while (idx < n_channels && chan->band != band) chan = &data->channels[++idx]; sband->channels = &data->channels[idx]; - while (chan->band == band && idx < n_channels) { + while (idx < n_channels && chan->band == band) { chan = &data->channels[++idx]; n++; } diff --git a/drivers/net/wireless/iwlwifi/iwl-fh.h b/drivers/net/wireless/iwlwifi/iwl-fh.h index d45dc021c..d56064861 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/iwlwifi/iwl-fh.h @@ -438,12 +438,6 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RX_QUEUE_MASK 255 #define RX_QUEUE_SIZE_LOG 8 -/* - * RX related structures and functions - */ -#define RX_FREE_BUFFERS 64 -#define RX_LOW_WATERMARK 8 - /** * struct iwl_rb_status - reserve buffer status * host memory mapped FH registers diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h index e57dbd0ef..af5b32014 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h @@ -84,6 +84,8 @@ * @IWL_FW_ERROR_DUMP_MEM: chunk of memory * @IWL_FW_ERROR_DUMP_ERROR_INFO: description of what triggered this dump. * Structured as &struct iwl_fw_error_dump_trigger_desc. + * @IWL_FW_ERROR_DUMP_RB: the content of an RB structured as + * &struct iwl_fw_error_dump_rb */ enum iwl_fw_error_dump_type { /* 0 is deprecated */ @@ -97,6 +99,7 @@ enum iwl_fw_error_dump_type { IWL_FW_ERROR_DUMP_FH_REGS = 8, IWL_FW_ERROR_DUMP_MEM = 9, IWL_FW_ERROR_DUMP_ERROR_INFO = 10, + IWL_FW_ERROR_DUMP_RB = 11, IWL_FW_ERROR_DUMP_MAX, }; @@ -223,6 +226,20 @@ struct iwl_fw_error_dump_mem { }; /** + * struct iwl_fw_error_dump_rb - content of an Receive Buffer + * @index: the index of the Receive Buffer in the Rx queue + * @rxq: the RB's Rx queue + * @reserved: + * @data: the content of the Receive Buffer + */ +struct iwl_fw_error_dump_rb { + __le32 index; + __le32 rxq; + __le32 reserved; + u8 data[]; +}; + +/** * iwl_fw_error_next_data - advance fw error dump data pointer * @data: previous data block * Returns: next data block diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h index a9b5ae4eb..84653e3d0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h @@ -132,12 +132,14 @@ enum iwl_ucode_tlv_type { IWL_UCODE_TLV_API_CHANGES_SET = 29, IWL_UCODE_TLV_ENABLED_CAPABILITIES = 30, IWL_UCODE_TLV_N_SCAN_CHANNELS = 31, + IWL_UCODE_TLV_PAGING = 32, IWL_UCODE_TLV_SEC_RT_USNIFFER = 34, IWL_UCODE_TLV_SDIO_ADMA_ADDR = 35, IWL_UCODE_TLV_FW_VERSION = 36, IWL_UCODE_TLV_FW_DBG_DEST = 38, IWL_UCODE_TLV_FW_DBG_CONF = 39, IWL_UCODE_TLV_FW_DBG_TRIGGER = 40, + IWL_UCODE_TLV_FW_GSCAN_CAPA = 50, }; struct iwl_ucode_tlv { @@ -247,9 +249,7 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_api_t; * @IWL_UCODE_TLV_API_WIFI_MCC_UPDATE: ucode supports MCC updates with source. * IWL_UCODE_TLV_API_HDC_PHASE_0: ucode supports finer configuration of LTR * @IWL_UCODE_TLV_API_TX_POWER_DEV: new API for tx power. - * @IWL_UCODE_TLV_API_BASIC_DWELL: use only basic dwell time in scan command, - * regardless of the band or the number of the probes. FW will calculate - * the actual dwell time. + * @IWL_UCODE_TLV_API_WIDE_CMD_HDR: ucode supports wide command header * @IWL_UCODE_TLV_API_SCD_CFG: This firmware can configure the scheduler * through the dedicated host command. * @IWL_UCODE_TLV_API_SINGLE_SCAN_EBS: EBS is supported for single scans too. @@ -259,6 +259,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_api_t; * @IWL_UCODE_TLV_API_NEW_VERSION: new versioning format * @IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY: scan APIs use 8-level priority * instead of 3. + * @IWL_UCODE_TLV_API_TX_POWER_CHAIN: TX power API has larger command size + * (command version 3) that supports per-chain limits */ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_BT_COEX_SPLIT = (__force iwl_ucode_tlv_api_t)3, @@ -266,7 +268,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_WIFI_MCC_UPDATE = (__force iwl_ucode_tlv_api_t)9, IWL_UCODE_TLV_API_HDC_PHASE_0 = (__force iwl_ucode_tlv_api_t)10, IWL_UCODE_TLV_API_TX_POWER_DEV = (__force iwl_ucode_tlv_api_t)11, - IWL_UCODE_TLV_API_BASIC_DWELL = (__force iwl_ucode_tlv_api_t)13, + IWL_UCODE_TLV_API_WIDE_CMD_HDR = (__force iwl_ucode_tlv_api_t)14, IWL_UCODE_TLV_API_SCD_CFG = (__force iwl_ucode_tlv_api_t)15, IWL_UCODE_TLV_API_SINGLE_SCAN_EBS = (__force iwl_ucode_tlv_api_t)16, IWL_UCODE_TLV_API_ASYNC_DTM = (__force iwl_ucode_tlv_api_t)17, @@ -274,6 +276,7 @@ enum iwl_ucode_tlv_api { IWL_UCODE_TLV_API_STATS_V10 = (__force iwl_ucode_tlv_api_t)19, IWL_UCODE_TLV_API_NEW_VERSION = (__force iwl_ucode_tlv_api_t)20, IWL_UCODE_TLV_API_EXT_SCAN_PRIORITY = (__force iwl_ucode_tlv_api_t)24, + IWL_UCODE_TLV_API_TX_POWER_CHAIN = (__force iwl_ucode_tlv_api_t)27, }; typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; @@ -284,6 +287,7 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_LAR_SUPPORT: supports Location Aware Regulatory * @IWL_UCODE_TLV_CAPA_UMAC_SCAN: supports UMAC scan. * @IWL_UCODE_TLV_CAPA_BEAMFORMER: supports Beamformer + * @IWL_UCODE_TLV_CAPA_TOF_SUPPORT: supports Time of Flight (802.11mc FTM) * @IWL_UCODE_TLV_CAPA_TDLS_SUPPORT: support basic TDLS functionality * @IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT: supports insertion of current * tx power value into TPC Report action frame and Link Measurement Report @@ -298,6 +302,7 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH: supports TDLS channel switching * @IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT: supports Hot Spot Command * @IWL_UCODE_TLV_CAPA_DC2DC_SUPPORT: supports DC2DC Command + * @IWL_UCODE_TLV_CAPA_CSUM_SUPPORT: supports TCP Checksum Offload * @IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS: support radio and beacon statistics * @IWL_UCODE_TLV_CAPA_BT_COEX_PLCR: enabled BT Coex packet level co-running * @IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC: ucode supports LAR updates with different @@ -305,12 +310,14 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * IWL_UCODE_TLV_API_WIFI_MCC_UPDATE. When either is set, multi-source LAR * is supported. * @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC + * @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan */ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_D0I3_SUPPORT = (__force iwl_ucode_tlv_capa_t)0, IWL_UCODE_TLV_CAPA_LAR_SUPPORT = (__force iwl_ucode_tlv_capa_t)1, IWL_UCODE_TLV_CAPA_UMAC_SCAN = (__force iwl_ucode_tlv_capa_t)2, IWL_UCODE_TLV_CAPA_BEAMFORMER = (__force iwl_ucode_tlv_capa_t)3, + IWL_UCODE_TLV_CAPA_TOF_SUPPORT = (__force iwl_ucode_tlv_capa_t)5, IWL_UCODE_TLV_CAPA_TDLS_SUPPORT = (__force iwl_ucode_tlv_capa_t)6, IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT = (__force iwl_ucode_tlv_capa_t)8, IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT = (__force iwl_ucode_tlv_capa_t)9, @@ -320,10 +327,12 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_TDLS_CHANNEL_SWITCH = (__force iwl_ucode_tlv_capa_t)13, IWL_UCODE_TLV_CAPA_HOTSPOT_SUPPORT = (__force iwl_ucode_tlv_capa_t)18, IWL_UCODE_TLV_CAPA_DC2DC_CONFIG_SUPPORT = (__force iwl_ucode_tlv_capa_t)19, + IWL_UCODE_TLV_CAPA_CSUM_SUPPORT = (__force iwl_ucode_tlv_capa_t)21, IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS = (__force iwl_ucode_tlv_capa_t)22, IWL_UCODE_TLV_CAPA_BT_COEX_PLCR = (__force iwl_ucode_tlv_capa_t)28, IWL_UCODE_TLV_CAPA_LAR_MULTI_MCC = (__force iwl_ucode_tlv_capa_t)29, IWL_UCODE_TLV_CAPA_BT_COEX_RRC = (__force iwl_ucode_tlv_capa_t)30, + IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT = (__force iwl_ucode_tlv_capa_t)31, }; /* The default calibrate table size if not specified by firmware file */ @@ -341,8 +350,9 @@ enum iwl_ucode_tlv_capa { * For 16.0 uCode and above, there is no differentiation between sections, * just an offset to the HW address. */ -#define IWL_UCODE_SECTION_MAX 12 +#define IWL_UCODE_SECTION_MAX 16 #define CPU1_CPU2_SEPARATOR_SECTION 0xFFFFCCCC +#define PAGING_SEPARATOR_SECTION 0xAAAABBBB /* uCode version contains 4 values: Major/Minor/API/Serial */ #define IWL_UCODE_MAJOR(ver) (((ver) & 0xFF000000) >> 24) @@ -412,6 +422,12 @@ enum iwl_fw_dbg_reg_operator { PRPH_ASSIGN, PRPH_SETBIT, PRPH_CLEARBIT, + + INDIRECT_ASSIGN, + INDIRECT_SETBIT, + INDIRECT_CLEARBIT, + + PRPH_BLOCKBIT, }; /** @@ -485,10 +501,13 @@ struct iwl_fw_dbg_conf_hcmd { * * @IWL_FW_DBG_TRIGGER_START: when trigger occurs re-conf the dbg mechanism * @IWL_FW_DBG_TRIGGER_STOP: when trigger occurs pull the dbg data + * @IWL_FW_DBG_TRIGGER_MONITOR_ONLY: when trigger occurs trigger is set to + * collect only monitor data */ enum iwl_fw_dbg_trigger_mode { IWL_FW_DBG_TRIGGER_START = BIT(0), IWL_FW_DBG_TRIGGER_STOP = BIT(1), + IWL_FW_DBG_TRIGGER_MONITOR_ONLY = BIT(2), }; /** @@ -718,4 +737,28 @@ struct iwl_fw_dbg_conf_tlv { struct iwl_fw_dbg_conf_hcmd hcmd; } __packed; +/** + * struct iwl_fw_gscan_capabilities - gscan capabilities supported by FW + * @max_scan_cache_size: total space allocated for scan results (in bytes). + * @max_scan_buckets: maximum number of channel buckets. + * @max_ap_cache_per_scan: maximum number of APs that can be stored per scan. + * @max_rssi_sample_size: number of RSSI samples used for averaging RSSI. + * @max_scan_reporting_threshold: max possible report threshold. in percentage. + * @max_hotlist_aps: maximum number of entries for hotlist APs. + * @max_significant_change_aps: maximum number of entries for significant + * change APs. + * @max_bssid_history_entries: number of BSSID/RSSI entries that the device can + * hold. + */ +struct iwl_fw_gscan_capabilities { + __le32 max_scan_cache_size; + __le32 max_scan_buckets; + __le32 max_ap_cache_per_scan; + __le32 max_rssi_sample_size; + __le32 max_scan_reporting_threshold; + __le32 max_hotlist_aps; + __le32 max_significant_change_aps; + __le32 max_bssid_history_entries; +} __packed; + #endif /* __iwl_fw_file_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h index 3e3c9d8b3..45e732150 100644 --- a/drivers/net/wireless/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/iwlwifi/iwl-fw.h @@ -133,6 +133,7 @@ struct fw_desc { struct fw_img { struct fw_desc sec[IWL_UCODE_SECTION_MAX]; bool is_dual_cpus; + u32 paging_mem_size; }; struct iwl_sf_region { @@ -140,6 +141,48 @@ struct iwl_sf_region { u32 size; }; +/* + * Block paging calculations + */ +#define PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */ +#define FW_PAGING_SIZE BIT(PAGE_2_EXP_SIZE) /* page size is 4KB */ +#define PAGE_PER_GROUP_2_EXP_SIZE 3 +/* 8 pages per group */ +#define NUM_OF_PAGE_PER_GROUP BIT(PAGE_PER_GROUP_2_EXP_SIZE) +/* don't change, support only 32KB size */ +#define PAGING_BLOCK_SIZE (NUM_OF_PAGE_PER_GROUP * FW_PAGING_SIZE) +/* 32K == 2^15 */ +#define BLOCK_2_EXP_SIZE (PAGE_2_EXP_SIZE + PAGE_PER_GROUP_2_EXP_SIZE) + +/* + * Image paging calculations + */ +#define BLOCK_PER_IMAGE_2_EXP_SIZE 5 +/* 2^5 == 32 blocks per image */ +#define NUM_OF_BLOCK_PER_IMAGE BIT(BLOCK_PER_IMAGE_2_EXP_SIZE) +/* maximum image size 1024KB */ +#define MAX_PAGING_IMAGE_SIZE (NUM_OF_BLOCK_PER_IMAGE * PAGING_BLOCK_SIZE) + +/* Virtual address signature */ +#define PAGING_ADDR_SIG 0xAA000000 + +#define PAGING_CMD_IS_SECURED BIT(9) +#define PAGING_CMD_IS_ENABLED BIT(8) +#define PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0 +#define PAGING_TLV_SECURE_MASK 1 + +/** + * struct iwl_fw_paging + * @fw_paging_phys: page phy pointer + * @fw_paging_block: pointer to the allocated block + * @fw_paging_size: page size + */ +struct iwl_fw_paging { + dma_addr_t fw_paging_phys; + struct page *fw_paging_block; + u32 fw_paging_size; +}; + /** * struct iwl_fw_cscheme_list - a cipher scheme list * @size: a number of entries @@ -151,6 +194,30 @@ struct iwl_fw_cscheme_list { } __packed; /** + * struct iwl_gscan_capabilities - gscan capabilities supported by FW + * @max_scan_cache_size: total space allocated for scan results (in bytes). + * @max_scan_buckets: maximum number of channel buckets. + * @max_ap_cache_per_scan: maximum number of APs that can be stored per scan. + * @max_rssi_sample_size: number of RSSI samples used for averaging RSSI. + * @max_scan_reporting_threshold: max possible report threshold. in percentage. + * @max_hotlist_aps: maximum number of entries for hotlist APs. + * @max_significant_change_aps: maximum number of entries for significant + * change APs. + * @max_bssid_history_entries: number of BSSID/RSSI entries that the device can + * hold. + */ +struct iwl_gscan_capabilities { + u32 max_scan_cache_size; + u32 max_scan_buckets; + u32 max_ap_cache_per_scan; + u32 max_rssi_sample_size; + u32 max_scan_reporting_threshold; + u32 max_hotlist_aps; + u32 max_significant_change_aps; + u32 max_bssid_history_entries; +}; + +/** * struct iwl_fw - variables associated with the firmware * * @ucode_ver: ucode version from the ucode file @@ -208,6 +275,7 @@ struct iwl_fw { struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX]; size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX]; u8 dbg_dest_reg_num; + struct iwl_gscan_capabilities gscan_capa; }; static inline const char *get_fw_dbg_mode_string(int mode) diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.c b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c index b5bc959b1..6caf2affb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-notif-wait.c +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.c @@ -6,6 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -98,7 +99,8 @@ void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait, continue; for (i = 0; i < w->n_cmds; i++) { - if (w->cmds[i] == pkt->hdr.cmd) { + if (w->cmds[i] == + WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) { found = true; break; } @@ -136,7 +138,7 @@ IWL_EXPORT_SYMBOL(iwl_abort_notification_waits); void iwl_init_notification_wait(struct iwl_notif_wait_data *notif_wait, struct iwl_notification_wait *wait_entry, - const u8 *cmds, int n_cmds, + const u16 *cmds, int n_cmds, bool (*fn)(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data), void *fn_data) @@ -147,7 +149,7 @@ iwl_init_notification_wait(struct iwl_notif_wait_data *notif_wait, wait_entry->fn = fn; wait_entry->fn_data = fn_data; wait_entry->n_cmds = n_cmds; - memcpy(wait_entry->cmds, cmds, n_cmds); + memcpy(wait_entry->cmds, cmds, n_cmds * sizeof(u16)); wait_entry->triggered = false; wait_entry->aborted = false; diff --git a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h index 95af97a6c..dbe823452 100644 --- a/drivers/net/wireless/iwlwifi/iwl-notif-wait.h +++ b/drivers/net/wireless/iwlwifi/iwl-notif-wait.h @@ -6,6 +6,7 @@ * GPL LICENSE SUMMARY * * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -105,7 +106,7 @@ struct iwl_notification_wait { struct iwl_rx_packet *pkt, void *data); void *fn_data; - u8 cmds[MAX_NOTIF_CMDS]; + u16 cmds[MAX_NOTIF_CMDS]; u8 n_cmds; bool triggered, aborted; }; @@ -121,7 +122,7 @@ void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data); void __acquires(wait_entry) iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data, struct iwl_notification_wait *wait_entry, - const u8 *cmds, int n_cmds, + const u16 *cmds, int n_cmds, bool (*fn)(struct iwl_notif_wait_data *notif_data, struct iwl_rx_packet *pkt, void *data), void *fn_data); diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h index ce1cdd760..b47fe9d6b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h +++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h @@ -116,10 +116,6 @@ struct iwl_cfg; * May sleep * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the * HCMD this Rx responds to. Can't sleep. - * @napi_add: NAPI initialization. The transport is fully responsible for NAPI, - * but the higher layers need to know about it (in particular mac80211 to - * to able to call the right NAPI RX functions); this function is needed - * to eventually call netif_napi_add() with higher layer involvement. * @queue_full: notifies that a HW queue is full. * Must be atomic and called with BH disabled. * @queue_not_full: notifies that a HW queue is not full any more. @@ -148,13 +144,8 @@ struct iwl_op_mode_ops { const struct iwl_fw *fw, struct dentry *dbgfs_dir); void (*stop)(struct iwl_op_mode *op_mode); - int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); - void (*napi_add)(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct net_device *napi_dev, - int (*poll)(struct napi_struct *, int), - int weight); + void (*rx)(struct iwl_op_mode *op_mode, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb); void (*queue_full)(struct iwl_op_mode *op_mode, int queue); void (*queue_not_full)(struct iwl_op_mode *op_mode, int queue); bool (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state); @@ -188,11 +179,11 @@ static inline void iwl_op_mode_stop(struct iwl_op_mode *op_mode) op_mode->ops->stop(op_mode); } -static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static inline void iwl_op_mode_rx(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { - return op_mode->ops->rx(op_mode, rxb, cmd); + return op_mode->ops->rx(op_mode, napi, rxb); } static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, @@ -260,15 +251,4 @@ static inline int iwl_op_mode_exit_d0i3(struct iwl_op_mode *op_mode) return op_mode->ops->exit_d0i3(op_mode); } -static inline void iwl_op_mode_napi_add(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct net_device *napi_dev, - int (*poll)(struct napi_struct *, int), - int weight) -{ - if (!op_mode->ops->napi_add) - return; - op_mode->ops->napi_add(op_mode, napi, napi_dev, poll, weight); -} - #endif /* __iwl_op_mode_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 5af1c776d..3ab777f79 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -253,6 +253,7 @@ #define SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS (16) #define SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK (0x007F0000) #define SCD_GP_CTRL_ENABLE_31_QUEUES BIT(0) +#define SCD_GP_CTRL_AUTO_ACTIVE_MODE BIT(18) /* Context Data */ #define SCD_CONTEXT_MEM_LOWER_BOUND (SCD_MEM_LOWER_BOUND + 0x600) @@ -291,6 +292,9 @@ /*********************** END TX SCHEDULER *************************************/ +/* tcp checksum offload */ +#define RX_EN_CSUM (0x00a00d88) + /* Oscillator clock */ #define OSC_CLK (0xa04068) #define OSC_CLK_FORCE_CONTROL (0x8) @@ -379,6 +383,8 @@ enum aux_misc_master1_en { #define AUX_MISC_MASTER1_SMPHR_STATUS 0xA20800 #define RSA_ENABLE 0xA24B08 #define PREG_AUX_BUS_WPROT_0 0xA04CC0 +#define SB_CPU_1_STATUS 0xA01E30 +#define SB_CPU_2_STATUS 0xA01E34 /* FW chicken bits */ #define LMPM_CHICK 0xA01FF8 @@ -386,4 +392,10 @@ enum { LMPM_CHICK_EXTENDED_ADDR_SPACE = BIT(0), }; +/* FW chicken bits */ +#define LMPM_PAGE_PASS_NOTIF 0xA03824 +enum { + LMPM_PAGE_PASS_NOTIF_POS = BIT(20), +}; + #endif /* __iwl_prph_h__ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 87a230a7f..c829c505e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -122,6 +122,40 @@ #define INDEX_TO_SEQ(i) ((i) & 0xff) #define SEQ_RX_FRAME cpu_to_le16(0x8000) +/* + * those functions retrieve specific information from + * the id field in the iwl_host_cmd struct which contains + * the command id, the group id and the version of the command + * and vice versa +*/ +static inline u8 iwl_cmd_opcode(u32 cmdid) +{ + return cmdid & 0xFF; +} + +static inline u8 iwl_cmd_groupid(u32 cmdid) +{ + return ((cmdid & 0xFF00) >> 8); +} + +static inline u8 iwl_cmd_version(u32 cmdid) +{ + return ((cmdid & 0xFF0000) >> 16); +} + +static inline u32 iwl_cmd_id(u8 opcode, u8 groupid, u8 version) +{ + return opcode + (groupid << 8) + (version << 16); +} + +/* make u16 wide id out of u8 group and opcode */ +#define WIDE_ID(grp, opcode) ((grp << 8) | opcode) + +/* due to the conversion, this group is special; new groups + * should be defined in the appropriate fw-api header files + */ +#define IWL_ALWAYS_LONG_GROUP 1 + /** * struct iwl_cmd_header * @@ -130,7 +164,7 @@ */ struct iwl_cmd_header { u8 cmd; /* Command ID: REPLY_RXON, etc. */ - u8 flags; /* 0:5 reserved, 6 abort, 7 internal */ + u8 group_id; /* * The driver sets up the sequence number to values of its choosing. * uCode does not use this value, but passes it back to the driver @@ -154,9 +188,22 @@ struct iwl_cmd_header { __le16 sequence; } __packed; -/* iwl_cmd_header flags value */ -#define IWL_CMD_FAILED_MSK 0x40 - +/** + * struct iwl_cmd_header_wide + * + * This header format appears in the beginning of each command sent from the + * driver, and each response/notification received from uCode. + * this is the wide version that contains more information about the command + * like length, version and command type + */ +struct iwl_cmd_header_wide { + u8 cmd; + u8 group_id; + __le16 sequence; + __le16 length; + u8 reserved; + u8 version; +} __packed; #define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */ #define FH_RSCSR_FRAME_INVALID 0x55550000 @@ -201,6 +248,8 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt) * @CMD_MAKE_TRANS_IDLE: The command response should mark the trans as idle. * @CMD_WAKE_UP_TRANS: The command response should wake up the trans * (i.e. mark it as non-idle). + * @CMD_TB_BITMAP_POS: Position of the first bit for the TB bitmap. We need to + * check that we leave enough room for the TBs bitmap which needs 20 bits. */ enum CMD_MODE { CMD_ASYNC = BIT(0), @@ -210,6 +259,8 @@ enum CMD_MODE { CMD_SEND_IN_IDLE = BIT(4), CMD_MAKE_TRANS_IDLE = BIT(5), CMD_WAKE_UP_TRANS = BIT(6), + + CMD_TB_BITMAP_POS = 11, }; #define DEF_CMD_PAYLOAD_SIZE 320 @@ -222,8 +273,18 @@ enum CMD_MODE { * aren't fully copied and use other TFD space. */ struct iwl_device_cmd { - struct iwl_cmd_header hdr; /* uCode API */ - u8 payload[DEF_CMD_PAYLOAD_SIZE]; + union { + struct { + struct iwl_cmd_header hdr; /* uCode API */ + u8 payload[DEF_CMD_PAYLOAD_SIZE]; + }; + struct { + struct iwl_cmd_header_wide hdr_wide; + u8 payload_wide[DEF_CMD_PAYLOAD_SIZE - + sizeof(struct iwl_cmd_header_wide) + + sizeof(struct iwl_cmd_header)]; + }; + }; } __packed; #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd)) @@ -261,24 +322,22 @@ enum iwl_hcmd_dataflag { * @resp_pkt: response packet, if %CMD_WANT_SKB was set * @_rx_page_order: (internally used to free response packet) * @_rx_page_addr: (internally used to free response packet) - * @handler_status: return value of the handler of the command - * (put in setup_rx_handlers) - valid for SYNC mode only * @flags: can be CMD_* * @len: array of the lengths of the chunks in data * @dataflags: IWL_HCMD_DFL_* - * @id: id of the host command + * @id: command id of the host command, for wide commands encoding the + * version and group as well */ struct iwl_host_cmd { const void *data[IWL_MAX_CMD_TBS_PER_TFD]; struct iwl_rx_packet *resp_pkt; unsigned long _rx_page_addr; u32 _rx_page_order; - int handler_status; u32 flags; + u32 id; u16 len[IWL_MAX_CMD_TBS_PER_TFD]; u8 dataflags[IWL_MAX_CMD_TBS_PER_TFD]; - u8 id; }; static inline void iwl_free_resp(struct iwl_host_cmd *cmd) @@ -379,6 +438,7 @@ enum iwl_trans_status { * @bc_table_dword: set to true if the BC table expects the byte count to be * in DWORD (as opposed to bytes) * @scd_set_active: should the transport configure the SCD for HCMD queue + * @wide_cmd_header: firmware supports wide host command header * @command_names: array of command names, must be 256 entries * (one for each command); for debugging only * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until @@ -396,6 +456,7 @@ struct iwl_trans_config { bool rx_buf_size_8k; bool bc_table_dword; bool scd_set_active; + bool wide_cmd_header; const char *const *command_names; u32 sdio_adma_addr; @@ -544,10 +605,12 @@ struct iwl_trans_ops { u32 value); void (*ref)(struct iwl_trans *trans); void (*unref)(struct iwl_trans *trans); - void (*suspend)(struct iwl_trans *trans); + int (*suspend)(struct iwl_trans *trans); void (*resume)(struct iwl_trans *trans); - struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans); + struct iwl_trans_dump_data *(*dump_data)(struct iwl_trans *trans, + struct iwl_fw_dbg_trigger_tlv + *trigger); }; /** @@ -584,6 +647,8 @@ enum iwl_d0i3_mode { * @cfg - pointer to the configuration * @status: a bit-mask of transport status flags * @dev - pointer to struct device * that represents the device + * @max_skb_frags: maximum number of fragments an SKB can have when transmitted. + * 0 indicates that frag SKBs (NETIF_F_SG) aren't supported. * @hw_id: a u32 with the ID of the device / sub-device. * Set during transport allocation. * @hw_id_str: a string with info about HW ID. Set during transport allocation. @@ -603,6 +668,12 @@ enum iwl_d0i3_mode { * @dbg_conf_tlv: array of pointers to configuration TLVs for debug * @dbg_trigger_tlv: array of pointers to triggers TLVs for debug * @dbg_dest_reg_num: num of reg_ops in %dbg_dest_tlv + * @paging_req_addr: The location were the FW will upload / download the pages + * from. The address is set by the opmode + * @paging_db: Pointer to the opmode paging data base, the pointer is set by + * the opmode. + * @paging_download_buf: Buffer used for copying all of the pages before + * downloading them to the FW. The buffer is allocated in the opmode */ struct iwl_trans { const struct iwl_trans_ops *ops; @@ -612,6 +683,7 @@ struct iwl_trans { unsigned long status; struct device *dev; + u32 max_skb_frags; u32 hw_rev; u32 hw_id; char hw_id_str[52]; @@ -639,6 +711,14 @@ struct iwl_trans { struct iwl_fw_dbg_trigger_tlv * const *dbg_trigger_tlv; u8 dbg_dest_reg_num; + /* + * Paging parameters - All of the parameters should be set by the + * opmode when paging is enabled + */ + u32 paging_req_addr; + struct iwl_fw_paging *paging_db; + void *paging_download_buf; + enum iwl_d0i3_mode d0i3_mode; bool wowlan_d0i3; @@ -730,7 +810,8 @@ static inline void iwl_trans_stop_device(struct iwl_trans *trans) static inline void iwl_trans_d3_suspend(struct iwl_trans *trans, bool test) { might_sleep(); - trans->ops->d3_suspend(trans, test); + if (trans->ops->d3_suspend) + trans->ops->d3_suspend(trans, test); } static inline int iwl_trans_d3_resume(struct iwl_trans *trans, @@ -738,6 +819,9 @@ static inline int iwl_trans_d3_resume(struct iwl_trans *trans, bool test) { might_sleep(); + if (!trans->ops->d3_resume) + return 0; + return trans->ops->d3_resume(trans, status, test); } @@ -753,10 +837,12 @@ static inline void iwl_trans_unref(struct iwl_trans *trans) trans->ops->unref(trans); } -static inline void iwl_trans_suspend(struct iwl_trans *trans) +static inline int iwl_trans_suspend(struct iwl_trans *trans) { - if (trans->ops->suspend) - trans->ops->suspend(trans); + if (!trans->ops->suspend) + return 0; + + return trans->ops->suspend(trans); } static inline void iwl_trans_resume(struct iwl_trans *trans) @@ -766,11 +852,12 @@ static inline void iwl_trans_resume(struct iwl_trans *trans) } static inline struct iwl_trans_dump_data * -iwl_trans_dump_data(struct iwl_trans *trans) +iwl_trans_dump_data(struct iwl_trans *trans, + struct iwl_fw_dbg_trigger_tlv *trigger) { if (!trans->ops->dump_data) return NULL; - return trans->ops->dump_data(trans); + return trans->ops->dump_data(trans, trigger); } static inline int iwl_trans_send_cmd(struct iwl_trans *trans, diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile index 2d7c3ea3c..8c2c3d13b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/Makefile +++ b/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -6,6 +6,7 @@ iwlmvm-y += power.o coex.o coex_legacy.o iwlmvm-y += tt.o offloading.o tdls.o iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o +iwlmvm-y += tof.o iwlmvm-$(CONFIG_PM_SLEEP) += d3.o ccflags-y += -D__CHECK_ENDIAN__ -I$(src)/../ diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c index b4737e296..e290ac67d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -725,15 +725,17 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) } } -int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; - if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) - return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_rx_bt_coex_notif_old(mvm, rxb); + return; + } IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); @@ -748,12 +750,6 @@ int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif)); iwl_mvm_bt_coex_notif_handle(mvm); - - /* - * This is an async handler for a notification, returning anything other - * than 0 doesn't make sense even if HCMD failed. - */ - return 0; } void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, @@ -947,9 +943,8 @@ void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) iwl_mvm_bt_coex_notif_handle(mvm); } -int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 ant_isolation = le32_to_cpup((void *)pkt->data); @@ -957,20 +952,23 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, u8 __maybe_unused lower_bound, upper_bound; u8 lut; - if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BT_COEX_SPLIT)) - return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb); + return; + } if (!iwl_mvm_bt_is_plcr_supported(mvm)) - return 0; + return; lockdep_assert_held(&mvm->mutex); /* Ignore updates if we are in force mode */ if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) - return 0; + return; if (ant_isolation == mvm->last_ant_isol) - return 0; + return; for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) if (ant_isolation < antenna_coupling_ranges[lut + 1].range) @@ -989,7 +987,7 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, mvm->last_ant_isol = ant_isolation; if (mvm->last_corun_lut == lut) - return 0; + return; mvm->last_corun_lut = lut; @@ -1000,6 +998,8 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20, sizeof(cmd.corun_lut40)); - return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, - sizeof(cmd), &cmd); + if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, + sizeof(cmd), &cmd)) + IWL_ERR(mvm, + "failed to send BT_COEX_UPDATE_CORUN_LUT command\n"); } diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c index 6ac6de2af..61c07b05f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c @@ -1058,9 +1058,8 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); } -int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data; @@ -1083,12 +1082,6 @@ int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, memcpy(&mvm->last_bt_notif_old, notif, sizeof(mvm->last_bt_notif_old)); iwl_mvm_bt_coex_notif_handle(mvm); - - /* - * This is an async handler for a notification, returning anything other - * than 0 doesn't make sense even if HCMD failed. - */ - return 0; } static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, @@ -1250,14 +1243,12 @@ void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm) iwl_mvm_bt_coex_notif_handle(mvm); } -int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *dev_cmd) +void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 ant_isolation = le32_to_cpup((void *)pkt->data); u8 __maybe_unused lower_bound, upper_bound; - int ret; u8 lut; struct iwl_bt_coex_cmd_old *bt_cmd; @@ -1268,16 +1259,16 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, }; if (!iwl_mvm_bt_is_plcr_supported(mvm)) - return 0; + return; lockdep_assert_held(&mvm->mutex); /* Ignore updates if we are in force mode */ if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) - return 0; + return; if (ant_isolation == mvm->last_ant_isol) - return 0; + return; for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) if (ant_isolation < antenna_coupling_ranges[lut + 1].range) @@ -1296,13 +1287,13 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, mvm->last_ant_isol = ant_isolation; if (mvm->last_corun_lut == lut) - return 0; + return; mvm->last_corun_lut = lut; bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); if (!bt_cmd) - return 0; + return; cmd.data[0] = bt_cmd; bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD); @@ -1317,8 +1308,8 @@ int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20, sizeof(bt_cmd->bt4_corun_lut40)); - ret = iwl_mvm_send_cmd(mvm, &cmd); + if (iwl_mvm_send_cmd(mvm, &cmd)) + IWL_ERR(mvm, "failed to send BT_CONFIG command\n"); kfree(bt_cmd); - return ret; } diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h index beba37548..b8ee3121f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/iwlwifi/mvm/constants.h @@ -102,6 +102,7 @@ #define IWL_MVM_QUOTA_THRESHOLD 4 #define IWL_MVM_RS_RSSI_BASED_INIT_RATE 0 #define IWL_MVM_RS_DISABLE_P2P_MIMO 0 +#define IWL_MVM_TOF_IS_RESPONDER 0 #define IWL_MVM_RS_NUM_TRY_BEFORE_ANT_TOGGLE 1 #define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE 2 #define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE_TW 1 diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c index 4165d104e..576187611 100644 --- a/drivers/net/wireless/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/iwlwifi/mvm/d3.c @@ -274,18 +274,13 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, break; case WLAN_CIPHER_SUITE_CCMP: if (sta) { - u8 *pn = seq.ccmp.pn; + u64 pn64; aes_sc = data->rsc_tsc->all_tsc_rsc.aes.unicast_rsc; aes_tx_sc = &data->rsc_tsc->all_tsc_rsc.aes.tsc; - ieee80211_get_key_tx_seq(key, &seq); - aes_tx_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + pn64 = atomic64_read(&key->tx_pn); + aes_tx_sc->pn = cpu_to_le64(pn64); } else { aes_sc = data->rsc_tsc->all_tsc_rsc.aes.multicast_rsc; } @@ -298,12 +293,12 @@ static void iwl_mvm_wowlan_program_keys(struct ieee80211_hw *hw, u8 *pn = seq.ccmp.pn; ieee80211_get_key_rx_seq(key, i, &seq); - aes_sc->pn = cpu_to_le64((u64)pn[5] | - ((u64)pn[4] << 8) | - ((u64)pn[3] << 16) | - ((u64)pn[2] << 24) | - ((u64)pn[1] << 32) | - ((u64)pn[0] << 40)); + aes_sc[i].pn = cpu_to_le64((u64)pn[5] | + ((u64)pn[4] << 8) | + ((u64)pn[3] << 16) | + ((u64)pn[2] << 24) | + ((u64)pn[1] << 32) | + ((u64)pn[0] << 40)); } data->use_rsc_tsc = true; break; @@ -1145,7 +1140,7 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, static int iwl_mvm_enter_d0i3_sync(struct iwl_mvm *mvm) { struct iwl_notification_wait wait_d3; - static const u8 d3_notif[] = { D3_CONFIG_CMD }; + static const u16 d3_notif[] = { D3_CONFIG_CMD }; int ret; iwl_init_notification_wait(&mvm->notif_wait, &wait_d3, @@ -1168,13 +1163,17 @@ remove_notif: int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + ret = iwl_trans_suspend(mvm->trans); + if (ret) + return ret; - iwl_trans_suspend(mvm->trans); mvm->trans->wowlan_d0i3 = wowlan->any; if (mvm->trans->wowlan_d0i3) { /* 'any' trigger means d0i3 usage */ if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { - int ret = iwl_mvm_enter_d0i3_sync(mvm); + ret = iwl_mvm_enter_d0i3_sync(mvm); if (ret) return ret; @@ -1183,6 +1182,9 @@ int iwl_mvm_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) mutex_lock(&mvm->d0i3_suspend_mutex); __set_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); mutex_unlock(&mvm->d0i3_suspend_mutex); + + iwl_trans_d3_suspend(mvm->trans, false); + return 0; } @@ -1446,15 +1448,15 @@ static void iwl_mvm_d3_update_gtks(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_CCMP: - iwl_mvm_aes_sc_to_seq(&sc->aes.tsc, &seq); iwl_mvm_set_aes_rx_seq(sc->aes.unicast_rsc, key); + atomic64_set(&key->tx_pn, le64_to_cpu(sc->aes.tsc.pn)); break; case WLAN_CIPHER_SUITE_TKIP: iwl_mvm_tkip_sc_to_seq(&sc->tkip.tsc, &seq); iwl_mvm_set_tkip_rx_seq(sc->tkip.unicast_rsc, key); + ieee80211_set_key_tx_seq(key, &seq); break; } - ieee80211_set_key_tx_seq(key, &seq); /* that's it for this key */ return; @@ -1935,28 +1937,59 @@ out: return 1; } -int iwl_mvm_resume(struct ieee80211_hw *hw) +static int iwl_mvm_resume_d3(struct iwl_mvm *mvm) { - struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + iwl_trans_resume(mvm->trans); + + return __iwl_mvm_resume(mvm, false); +} + +static int iwl_mvm_resume_d0i3(struct iwl_mvm *mvm) +{ + bool exit_now; + enum iwl_d3_status d3_status; + + iwl_trans_d3_resume(mvm->trans, &d3_status, false); + + /* + * make sure to clear D0I3_DEFER_WAKEUP before + * calling iwl_trans_resume(), which might wait + * for d0i3 exit completion. + */ + mutex_lock(&mvm->d0i3_suspend_mutex); + __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); + exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, + &mvm->d0i3_suspend_flags); + mutex_unlock(&mvm->d0i3_suspend_mutex); + if (exit_now) { + IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); + _iwl_mvm_exit_d0i3(mvm); + } iwl_trans_resume(mvm->trans); - if (mvm->hw->wiphy->wowlan_config->any) { - /* 'any' trigger means d0i3 usage */ - if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { - int ret = iwl_mvm_exit_d0i3(hw->priv); + if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) { + int ret = iwl_mvm_exit_d0i3(mvm->hw->priv); - if (ret) - return ret; - /* - * d0i3 exit will be deferred until reconfig_complete. - * make sure there we are out of d0i3. - */ - } - return 0; + if (ret) + return ret; + /* + * d0i3 exit will be deferred until reconfig_complete. + * make sure there we are out of d0i3. + */ } + return 0; +} - return __iwl_mvm_resume(mvm, false); +int iwl_mvm_resume(struct ieee80211_hw *hw) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + /* 'any' trigger means d0i3 was used */ + if (hw->wiphy->wowlan_config->any) + return iwl_mvm_resume_d0i3(mvm); + else + return iwl_mvm_resume_d3(mvm); } void iwl_mvm_set_wakeup(struct ieee80211_hw *hw, bool enabled) diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c index 5c8a65de0..383a31620 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c @@ -63,6 +63,7 @@ * *****************************************************************************/ #include "mvm.h" +#include "fw-api-tof.h" #include "debugfs.h" static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm, @@ -497,6 +498,731 @@ static ssize_t iwl_dbgfs_bf_params_read(struct file *file, return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } +static inline char *iwl_dbgfs_is_match(char *name, char *buf) +{ + int len = strlen(name); + + return !strncmp(name, buf, len) ? buf + len : NULL; +} + +static ssize_t iwl_dbgfs_tof_enable_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = -EINVAL; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tof_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.tof_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_disabled=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.one_sided_disabled = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_debug_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_debug_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("is_buf=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.tof_cfg.is_buf_required = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_tof_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_config_cmd(mvm); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_enable_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_config_cmd *cmd; + + cmd = &mvm->tof_data.tof_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "tof_disabled = %d\n", + cmd->tof_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_disabled = %d\n", + cmd->one_sided_disabled); + pos += scnprintf(buf + pos, bufsz - pos, "is_debug_mode = %d\n", + cmd->is_debug_mode); + pos += scnprintf(buf + pos, bufsz - pos, "is_buf_required = %d\n", + cmd->is_buf_required); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_responder_params_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("burst_period=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (!ret) + mvm->tof_data.responder_cfg.burst_period = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("burst_duration=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.burst_duration = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_burst_exp=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.num_of_burst_exp = value; + goto out; + } + + data = iwl_dbgfs_is_match("abort_responder=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.abort_responder = value; + goto out; + } + + data = iwl_dbgfs_is_match("get_ch_est=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.get_ch_est = value; + goto out; + } + + data = iwl_dbgfs_is_match("recv_sta_req_params=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.recv_sta_req_params = value; + goto out; + } + + data = iwl_dbgfs_is_match("channel_num=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.channel_num = value; + goto out; + } + + data = iwl_dbgfs_is_match("bandwidth=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.bandwidth = value; + goto out; + } + + data = iwl_dbgfs_is_match("rate=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.rate = value; + goto out; + } + + data = iwl_dbgfs_is_match("bssid=", buf); + if (data) { + u8 *mac = mvm->tof_data.responder_cfg.bssid; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + } + + data = iwl_dbgfs_is_match("tsf_timer_offset_msecs=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.tsf_timer_offset_msecs = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("toa_offset=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.toa_offset = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("ctrl_ch_position=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ctrl_ch_position = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_per_burst=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_per_burst = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_resp_ts_avail=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.ftm_resp_ts_avail = value; + goto out; + } + + data = iwl_dbgfs_is_match("asap_mode=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.responder_cfg.asap_mode = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_responder_cfg=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_responder_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_responder_params_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_responder_config_cmd *cmd; + + cmd = &mvm->tof_data.responder_cfg; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "burst_period = %d\n", + le16_to_cpu(cmd->burst_period)); + pos += scnprintf(buf + pos, bufsz - pos, "burst_duration = %d\n", + cmd->burst_duration); + pos += scnprintf(buf + pos, bufsz - pos, "bandwidth = %d\n", + cmd->bandwidth); + pos += scnprintf(buf + pos, bufsz - pos, "channel_num = %d\n", + cmd->channel_num); + pos += scnprintf(buf + pos, bufsz - pos, "ctrl_ch_position = 0x%x\n", + cmd->ctrl_ch_position); + pos += scnprintf(buf + pos, bufsz - pos, "bssid = %pM\n", + cmd->bssid); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %d\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_burst_exp = %d\n", + cmd->num_of_burst_exp); + pos += scnprintf(buf + pos, bufsz - pos, "rate = %d\n", cmd->rate); + pos += scnprintf(buf + pos, bufsz - pos, "abort_responder = %d\n", + cmd->abort_responder); + pos += scnprintf(buf + pos, bufsz - pos, "get_ch_est = %d\n", + cmd->get_ch_est); + pos += scnprintf(buf + pos, bufsz - pos, "recv_sta_req_params = %d\n", + cmd->recv_sta_req_params); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_per_burst = %d\n", + cmd->ftm_per_burst); + pos += scnprintf(buf + pos, bufsz - pos, "ftm_resp_ts_avail = %d\n", + cmd->ftm_resp_ts_avail); + pos += scnprintf(buf + pos, bufsz - pos, "asap_mode = %d\n", + cmd->asap_mode); + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msecs = %d\n", + le16_to_cpu(cmd->tsf_timer_offset_msecs)); + pos += scnprintf(buf + pos, bufsz - pos, "toa_offset = %d\n", + le16_to_cpu(cmd->toa_offset)); + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_request_write(struct ieee80211_vif *vif, + char *buf, size_t count, + loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("request_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.request_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("initiator=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.initiator = value; + goto out; + } + + data = iwl_dbgfs_is_match("one_sided_los_disable=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.one_sided_los_disable = value; + goto out; + } + + data = iwl_dbgfs_is_match("req_timeout=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.req_timeout = value; + goto out; + } + + data = iwl_dbgfs_is_match("report_policy=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.report_policy = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_random=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.macaddr_random = value; + goto out; + } + + data = iwl_dbgfs_is_match("num_of_ap=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req.num_of_ap = value; + goto out; + } + + data = iwl_dbgfs_is_match("macaddr_template=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_template, mac, ETH_ALEN); + } + + data = iwl_dbgfs_is_match("macaddr_mask=", buf); + if (data) { + u8 mac[ETH_ALEN]; + + if (!mac_pton(data, mac)) { + ret = -EINVAL; + goto out; + } + memcpy(mvm->tof_data.range_req.macaddr_mask, mac, ETH_ALEN); + } + + data = iwl_dbgfs_is_match("ap=", buf); + if (data) { + struct iwl_tof_range_req_ap_entry ap; + int size = sizeof(struct iwl_tof_range_req_ap_entry); + u16 burst_period; + u8 *mac = ap.bssid; + unsigned int i; + + if (sscanf(data, "%u %hhd %hhx %hhx" + "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx" + "%hhx %hhx %hx" + "%hhx %hhx %x" + "%hhx %hhx %hhx %hhx", + &i, &ap.channel_num, &ap.bandwidth, + &ap.ctrl_ch_position, + mac, mac + 1, mac + 2, mac + 3, mac + 4, mac + 5, + &ap.measure_type, &ap.num_of_bursts, + &burst_period, + &ap.samples_per_burst, &ap.retries_per_sample, + &ap.tsf_delta, &ap.location_req, &ap.asap_mode, + &ap.enable_dyn_ack, &ap.rssi) != 20) { + ret = -EINVAL; + goto out; + } + if (i >= IWL_MVM_TOF_MAX_APS) { + IWL_ERR(mvm, "Invalid AP index %d\n", i); + ret = -EINVAL; + goto out; + } + + ap.burst_period = cpu_to_le16(burst_period); + + memcpy(&mvm->tof_data.range_req.ap[i], &ap, size); + goto out; + } + + data = iwl_dbgfs_is_match("send_range_request=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_range_request_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_request_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[512]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_cmd *cmd; + int i; + + cmd = &mvm->tof_data.range_req; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "request_id= %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "initiator= %d\n", + cmd->initiator); + pos += scnprintf(buf + pos, bufsz - pos, "one_sided_los_disable = %d\n", + cmd->one_sided_los_disable); + pos += scnprintf(buf + pos, bufsz - pos, "req_timeout= %d\n", + cmd->req_timeout); + pos += scnprintf(buf + pos, bufsz - pos, "report_policy= %d\n", + cmd->report_policy); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_random= %d\n", + cmd->macaddr_random); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_template= %pM\n", + cmd->macaddr_template); + pos += scnprintf(buf + pos, bufsz - pos, "macaddr_mask= %pM\n", + cmd->macaddr_mask); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_ap= %d\n", + cmd->num_of_ap); + for (i = 0; i < cmd->num_of_ap; i++) { + struct iwl_tof_range_req_ap_entry *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: channel_num=%hhx bw=%hhx" + " control=%hhx bssid=%pM type=%hhx" + " num_of_bursts=%hhx burst_period=%hx ftm=%hhx" + " retries=%hhx tsf_delta=%x location_req=%hhx " + " asap=%hhx enable=%hhx rssi=%hhx\n", + i, ap->channel_num, ap->bandwidth, + ap->ctrl_ch_position, ap->bssid, + ap->measure_type, ap->num_of_bursts, + ap->burst_period, ap->samples_per_burst, + ap->retries_per_sample, ap->tsf_delta, + ap->location_req, ap->asap_mode, + ap->enable_dyn_ack, ap->rssi); + } + + mutex_unlock(&mvm->mutex); + + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("tsf_timer_offset_msec=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.tsf_timer_offset_msec = + cpu_to_le16(value); + goto out; + } + + data = iwl_dbgfs_is_match("min_delta_ftm=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.min_delta_ftm = value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw20M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw20M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw40M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw40M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("ftm_format_and_bw80M=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.range_req_ext.ftm_format_and_bw80M = + value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_req_ext=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + ret = iwl_mvm_tof_range_request_ext_cmd(mvm, vif); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_req_ext_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[256]; + int pos = 0; + const size_t bufsz = sizeof(buf); + struct iwl_tof_range_req_ext_cmd *cmd; + + cmd = &mvm->tof_data.range_req_ext; + + mutex_lock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, + "tsf_timer_offset_msec = %hx\n", + cmd->tsf_timer_offset_msec); + pos += scnprintf(buf + pos, bufsz - pos, "min_delta_ftm = %hhx\n", + cmd->min_delta_ftm); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw20M = %hhx\n", + cmd->ftm_format_and_bw20M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw40M = %hhx\n", + cmd->ftm_format_and_bw40M); + pos += scnprintf(buf + pos, bufsz - pos, + "ftm_format_and_bw80M = %hhx\n", + cmd->ftm_format_and_bw80M); + + mutex_unlock(&mvm->mutex); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_abort_write(struct ieee80211_vif *vif, + char *buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + int value, ret = 0; + int abort_id; + char *data; + + mutex_lock(&mvm->mutex); + + data = iwl_dbgfs_is_match("abort_id=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0) + mvm->tof_data.last_abort_id = value; + goto out; + } + + data = iwl_dbgfs_is_match("send_range_abort=", buf); + if (data) { + ret = kstrtou32(data, 10, &value); + if (ret == 0 && value) { + abort_id = mvm->tof_data.last_abort_id; + ret = iwl_mvm_tof_range_abort_cmd(mvm, abort_id); + goto out; + } + } + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + +static ssize_t iwl_dbgfs_tof_range_abort_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char buf[32]; + int pos = 0; + const size_t bufsz = sizeof(buf); + int last_abort_id; + + mutex_lock(&mvm->mutex); + last_abort_id = mvm->tof_data.last_abort_id; + mutex_unlock(&mvm->mutex); + + pos += scnprintf(buf + pos, bufsz - pos, "last_abort_id = %d\n", + last_abort_id); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); +} + +static ssize_t iwl_dbgfs_tof_range_response_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ieee80211_vif *vif = file->private_data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; + char *buf; + int pos = 0; + const size_t bufsz = sizeof(struct iwl_tof_range_rsp_ntfy) + 256; + struct iwl_tof_range_rsp_ntfy *cmd; + int i, ret; + + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + cmd = &mvm->tof_data.range_resp; + + pos += scnprintf(buf + pos, bufsz - pos, "request_id = %d\n", + cmd->request_id); + pos += scnprintf(buf + pos, bufsz - pos, "status = %d\n", + cmd->request_status); + pos += scnprintf(buf + pos, bufsz - pos, "last_in_batch = %d\n", + cmd->last_in_batch); + pos += scnprintf(buf + pos, bufsz - pos, "num_of_aps = %d\n", + cmd->num_of_aps); + for (i = 0; i < cmd->num_of_aps; i++) { + struct iwl_tof_range_rsp_ap_entry_ntfy *ap = &cmd->ap[i]; + + pos += scnprintf(buf + pos, bufsz - pos, + "ap %.2d: bssid=%pM status=%hhx bw=%hhx" + " rtt=%x rtt_var=%x rtt_spread=%x" + " rssi=%hhx rssi_spread=%hhx" + " range=%x range_var=%x" + " time_stamp=%x\n", + i, ap->bssid, ap->measure_status, + ap->measure_bw, + ap->rtt, ap->rtt_variance, ap->rtt_spread, + ap->rssi, ap->rssi_spread, ap->range, + ap->range_variance, ap->timestamp); + } + mutex_unlock(&mvm->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} + static ssize_t iwl_dbgfs_low_latency_write(struct ieee80211_vif *vif, char *buf, size_t count, loff_t *ppos) { @@ -628,6 +1354,12 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256); MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(uapsd_misbehaving, 20); MVM_DEBUGFS_READ_WRITE_FILE_OPS(rx_phyinfo, 10); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_enable, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_request, 512); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_req_ext, 32); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_range_abort, 32); +MVM_DEBUGFS_READ_FILE_OPS(tof_range_response); +MVM_DEBUGFS_READ_WRITE_FILE_OPS(tof_responder_params, 32); void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -671,6 +1403,25 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) MVM_DEBUGFS_ADD_FILE_VIF(bf_params, mvmvif->dbgfs_dir, S_IRUSR | S_IWUSR); + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT) && + !vif->p2p && (vif->type != NL80211_IFTYPE_P2P_DEVICE)) { + if (IWL_MVM_TOF_IS_RESPONDER && vif->type == NL80211_IFTYPE_AP) + MVM_DEBUGFS_ADD_FILE_VIF(tof_responder_params, + mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_request, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_req_ext, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_enable, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_abort, mvmvif->dbgfs_dir, + S_IRUSR | S_IWUSR); + MVM_DEBUGFS_ADD_FILE_VIF(tof_range_response, mvmvif->dbgfs_dir, + S_IRUSR); + } + /* * Create symlink for convenience pointing to interface specific * debugfs entries for the driver. For example, under diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index ffb4b5cef..7d69a556b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -949,9 +949,10 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { - int ret, conf_id; + unsigned int conf_id; + int ret; - ret = kstrtoint(buf, 0, &conf_id); + ret = kstrtouint(buf, 0, &conf_id); if (ret) return ret; @@ -974,7 +975,7 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, if (ret) return ret; - iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, 0); + iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, NULL, 0, NULL); iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); @@ -1200,12 +1201,7 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, if (ptr) { for (ofs = 0; ofs < len; ofs += 16) { pos += scnprintf(buf + pos, bufsz - pos, - "0x%.4x ", ofs); - hex_dump_to_buffer(ptr + ofs, 16, 16, 1, buf + pos, - bufsz - pos, false); - pos += strlen(buf + pos); - if (bufsz - pos > 0) - buf[pos++] = '\n'; + "0x%.4x %16ph\n", ofs, ptr + ofs); } } else { pos += scnprintf(buf + pos, bufsz - pos, diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h index d7658d16e..20521bebb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h @@ -339,8 +339,13 @@ enum iwl_wowlan_wakeup_reason { IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE = BIT(8), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS = BIT(9), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE = BIT(10), - /* BIT(11) reserved */ + IWL_WOWLAN_WAKEUP_BY_REM_WAKE_TCP_EXTERNAL = BIT(11), IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET = BIT(12), + IWL_WOWLAN_WAKEUP_BY_IOAC_MAGIC_PACKET = BIT(13), + IWL_WOWLAN_WAKEUP_BY_D3_WAKEUP_HOST_TIMER = BIT(14), + IWL_WOWLAN_WAKEUP_BY_RXFRAME_FILTERED_IN = BIT(15), + IWL_WOWLAN_WAKEUP_BY_BEACON_FILTERED_IN = BIT(16), + }; /* WOWLAN_WAKE_UP_REASON_API_E_VER_2 */ struct iwl_wowlan_gtk_status { diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index b1baa33cc..7005fa4be 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -33,6 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -310,17 +312,22 @@ struct iwl_reduce_tx_power_cmd { __le16 pwr_restriction; } __packed; /* TX_REDUCED_POWER_API_S_VER_1 */ +enum iwl_dev_tx_power_cmd_mode { + IWL_TX_POWER_MODE_SET_MAC = 0, + IWL_TX_POWER_MODE_SET_DEVICE = 1, + IWL_TX_POWER_MODE_SET_CHAINS = 2, +}; /* TX_POWER_REDUCED_FLAGS_TYPE_API_E_VER_2 */; + /** - * struct iwl_dev_tx_power_cmd - TX power reduction command - * REDUCE_TX_POWER_CMD = 0x9f - * @set_mode: 0 - MAC tx power, 1 - device tx power + * struct iwl_dev_tx_power_cmd_v2 - TX power reduction command + * @set_mode: see &enum iwl_dev_tx_power_cmd_mode * @mac_context_id: id of the mac ctx for which we are reducing TX power. * @pwr_restriction: TX power restriction in 1/8 dBms. * @dev_24: device TX power restriction in 1/8 dBms * @dev_52_low: device TX power restriction upper band - low * @dev_52_high: device TX power restriction upper band - high */ -struct iwl_dev_tx_power_cmd { +struct iwl_dev_tx_power_cmd_v2 { __le32 set_mode; __le32 mac_context_id; __le16 pwr_restriction; @@ -329,6 +336,20 @@ struct iwl_dev_tx_power_cmd { __le16 dev_52_high; } __packed; /* TX_REDUCED_POWER_API_S_VER_2 */ +#define IWL_NUM_CHAIN_LIMITS 2 +#define IWL_NUM_SUB_BANDS 5 + +/** + * struct iwl_dev_tx_power_cmd - TX power reduction command + * @v2: version 2 of the command, embedded here for easier software handling + * @per_chain_restriction: per chain restrictions + */ +struct iwl_dev_tx_power_cmd { + /* v3 is just an extension of v2 - keep this here */ + struct iwl_dev_tx_power_cmd_v2 v2; + __le16 per_chain_restriction[IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS]; +} __packed; /* TX_REDUCED_POWER_API_S_VER_3 */ + #define IWL_DEV_MAX_TX_POWER 0x7FFF /** @@ -413,7 +434,7 @@ struct iwl_beacon_filter_cmd { #define IWL_BF_TEMP_FAST_FILTER_MIN 0 #define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5 -#define IWL_BF_TEMP_SLOW_FILTER_D0I3 5 +#define IWL_BF_TEMP_SLOW_FILTER_D0I3 20 #define IWL_BF_TEMP_SLOW_FILTER_MAX 255 #define IWL_BF_TEMP_SLOW_FILTER_MIN 0 diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 737774a01..660cc1c93 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -87,41 +87,6 @@ struct iwl_ssid_ie { u8 ssid[IEEE80211_MAX_SSID_LEN]; } __packed; /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ -/* How many statistics are gathered for each channel */ -#define SCAN_RESULTS_STATISTICS 1 - -/** - * enum iwl_scan_complete_status - status codes for scan complete notifications - * @SCAN_COMP_STATUS_OK: scan completed successfully - * @SCAN_COMP_STATUS_ABORT: scan was aborted by user - * @SCAN_COMP_STATUS_ERR_SLEEP: sending null sleep packet failed - * @SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT: timeout before channel is ready - * @SCAN_COMP_STATUS_ERR_PROBE: sending probe request failed - * @SCAN_COMP_STATUS_ERR_WAKEUP: sending null wakeup packet failed - * @SCAN_COMP_STATUS_ERR_ANTENNAS: invalid antennas chosen at scan command - * @SCAN_COMP_STATUS_ERR_INTERNAL: internal error caused scan abort - * @SCAN_COMP_STATUS_ERR_COEX: medium was lost ot WiMax - * @SCAN_COMP_STATUS_P2P_ACTION_OK: P2P public action frame TX was successful - * (not an error!) - * @SCAN_COMP_STATUS_ITERATION_END: indicates end of one repetition the driver - * asked for - * @SCAN_COMP_STATUS_ERR_ALLOC_TE: scan could not allocate time events -*/ -enum iwl_scan_complete_status { - SCAN_COMP_STATUS_OK = 0x1, - SCAN_COMP_STATUS_ABORT = 0x2, - SCAN_COMP_STATUS_ERR_SLEEP = 0x3, - SCAN_COMP_STATUS_ERR_CHAN_TIMEOUT = 0x4, - SCAN_COMP_STATUS_ERR_PROBE = 0x5, - SCAN_COMP_STATUS_ERR_WAKEUP = 0x6, - SCAN_COMP_STATUS_ERR_ANTENNAS = 0x7, - SCAN_COMP_STATUS_ERR_INTERNAL = 0x8, - SCAN_COMP_STATUS_ERR_COEX = 0x9, - SCAN_COMP_STATUS_P2P_ACTION_OK = 0xA, - SCAN_COMP_STATUS_ITERATION_END = 0x0B, - SCAN_COMP_STATUS_ERR_ALLOC_TE = 0x0C, -}; - /* scan offload */ #define IWL_SCAN_MAX_BLACKLIST_LEN 64 #define IWL_SCAN_SHORT_BLACKLIST_LEN 16 @@ -144,71 +109,6 @@ enum scan_framework_client { }; /** - * struct iwl_scan_offload_cmd - SCAN_REQUEST_FIXED_PART_API_S_VER_6 - * @scan_flags: see enum iwl_scan_flags - * @channel_count: channels in channel list - * @quiet_time: dwell time, in milliseconds, on quiet channel - * @quiet_plcp_th: quiet channel num of packets threshold - * @good_CRC_th: passive to active promotion threshold - * @rx_chain: RXON rx chain. - * @max_out_time: max TUs to be out of associated channel - * @suspend_time: pause scan this TUs when returning to service channel - * @flags: RXON flags - * @filter_flags: RXONfilter - * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz. - * @direct_scan: list of SSIDs for directed active scan - * @scan_type: see enum iwl_scan_type. - * @rep_count: repetition count for each scheduled scan iteration. - */ -struct iwl_scan_offload_cmd { - __le16 len; - u8 scan_flags; - u8 channel_count; - __le16 quiet_time; - __le16 quiet_plcp_th; - __le16 good_CRC_th; - __le16 rx_chain; - __le32 max_out_time; - __le32 suspend_time; - /* RX_ON_FLAGS_API_S_VER_1 */ - __le32 flags; - __le32 filter_flags; - struct iwl_tx_cmd tx_cmd[2]; - /* SCAN_DIRECT_SSID_IE_API_S_VER_1 */ - struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; - __le32 scan_type; - __le32 rep_count; -} __packed; - -enum iwl_scan_offload_channel_flags { - IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE = BIT(0), - IWL_SCAN_OFFLOAD_CHANNEL_NARROW = BIT(22), - IWL_SCAN_OFFLOAD_CHANNEL_FULL = BIT(24), - IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL = BIT(25), -}; - -/* channel configuration for struct iwl_scan_offload_cfg. Each channels needs: - * __le32 type: bitmap; bits 1-20 are for directed scan to i'th ssid and - * see enum iwl_scan_offload_channel_flags. - * __le16 channel_number: channel number 1-13 etc. - * __le16 iter_count: repetition count for the channel. - * __le32 iter_interval: interval between two iterations on one channel. - * u8 active_dwell. - * u8 passive_dwell. - */ -#define IWL_SCAN_CHAN_SIZE 14 - -/** - * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S - * @scan_cmd: scan command fixed part - * @data: scan channel configuration and probe request frames - */ -struct iwl_scan_offload_cfg { - struct iwl_scan_offload_cmd scan_cmd; - u8 data[0]; -} __packed; - -/** * iwl_scan_offload_blacklist - SCAN_OFFLOAD_BLACKLIST_S * @ssid: MAC address to filter out * @reported_rssi: AP rssi reported to the host @@ -298,35 +198,6 @@ enum iwl_scan_ebs_status { }; /** - * iwl_scan_offload_complete - SCAN_OFFLOAD_COMPLETE_NTF_API_S_VER_1 - * @last_schedule_line: last schedule line executed (fast or regular) - * @last_schedule_iteration: last scan iteration executed before scan abort - * @status: enum iwl_scan_offload_compleate_status - * @ebs_status: last EBS status, see IWL_SCAN_EBS_* - */ -struct iwl_scan_offload_complete { - u8 last_schedule_line; - u8 last_schedule_iteration; - u8 status; - u8 ebs_status; -} __packed; - -/** - * iwl_sched_scan_results - SCAN_OFFLOAD_MATCH_FOUND_NTF_API_S_VER_1 - * @ssid_bitmap: SSIDs indexes found in this iteration - * @client_bitmap: clients that are active and wait for this notification - */ -struct iwl_sched_scan_results { - __le16 ssid_bitmap; - u8 client_bitmap; - u8 reserved; -}; - -/* Unified LMAC scan API */ - -#define IWL_MVM_BASIC_PASSIVE_DWELL 110 - -/** * iwl_scan_req_tx_cmd - SCAN_REQ_TX_CMD_API_S * @tx_flags: combination of TX_CMD_FLG_* * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is @@ -550,18 +421,6 @@ struct iwl_periodic_scan_complete { /* UMAC Scan API */ -/** - * struct iwl_mvm_umac_cmd_hdr - Command header for UMAC commands - * @size: size of the command (not including header) - * @reserved0: for future use and alignment - * @ver: API version number - */ -struct iwl_mvm_umac_cmd_hdr { - __le16 size; - u8 reserved0; - u8 ver; -} __packed; - /* The maximum of either of these cannot exceed 8, because we use an * 8-bit mask (see IWL_MVM_SCAN_MASK in mvm.h). */ @@ -621,7 +480,6 @@ enum iwl_channel_flags { /** * struct iwl_scan_config - * @hdr: umac command header * @flags: enum scan_config_flags * @tx_chains: valid_tx antenna - ANT_* definitions * @rx_chains: valid_rx antenna - ANT_* definitions @@ -639,7 +497,6 @@ enum iwl_channel_flags { * @channel_array: default supported channels */ struct iwl_scan_config { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 flags; __le32 tx_chains; __le32 rx_chains; @@ -735,7 +592,6 @@ struct iwl_scan_req_umac_tail { /** * struct iwl_scan_req_umac - * @hdr: umac command header * @flags: &enum iwl_umac_scan_flags * @uid: scan id, &enum iwl_umac_scan_uid_offsets * @ooc_priority: out of channel priority - &enum iwl_scan_priority @@ -754,7 +610,6 @@ struct iwl_scan_req_umac_tail { * &struct iwl_scan_req_umac_tail */ struct iwl_scan_req_umac { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 flags; __le32 uid; __le32 ooc_priority; @@ -776,12 +631,10 @@ struct iwl_scan_req_umac { /** * struct iwl_umac_scan_abort - * @hdr: umac command header * @uid: scan id, &enum iwl_umac_scan_uid_offsets * @flags: reserved */ struct iwl_umac_scan_abort { - struct iwl_mvm_umac_cmd_hdr hdr; __le32 uid; __le32 flags; } __packed; /* SCAN_ABORT_CMD_UMAC_API_S_VER_1 */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h index 21dd5b771..493a8bdfb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h @@ -366,8 +366,8 @@ struct iwl_mvm_rm_sta_cmd { * ( MGMT_MCAST_KEY = 0x1f ) * @ctrl_flags: %iwl_sta_key_flag * @IGTK: - * @K1: IGTK master key - * @K2: IGTK sub key + * @K1: unused + * @K2: unused * @sta_id: station ID that support IGTK * @key_id: * @receive_seq_cnt: initial RSC/PN needed for replay check diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h new file mode 100644 index 000000000..eed6271d0 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tof.h @@ -0,0 +1,386 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __fw_api_tof_h__ +#define __fw_api_tof_h__ + +#include "fw-api.h" + +/* ToF sub-group command IDs */ +enum iwl_mvm_tof_sub_grp_ids { + TOF_RANGE_REQ_CMD = 0x1, + TOF_CONFIG_CMD = 0x2, + TOF_RANGE_ABORT_CMD = 0x3, + TOF_RANGE_REQ_EXT_CMD = 0x4, + TOF_RESPONDER_CONFIG_CMD = 0x5, + TOF_NW_INITIATED_RES_SEND_CMD = 0x6, + TOF_NEIGHBOR_REPORT_REQ_CMD = 0x7, + TOF_NEIGHBOR_REPORT_RSP_NOTIF = 0xFC, + TOF_NW_INITIATED_REQ_RCVD_NOTIF = 0xFD, + TOF_RANGE_RESPONSE_NOTIF = 0xFE, + TOF_MCSI_DEBUG_NOTIF = 0xFB, +}; + +/** + * struct iwl_tof_config_cmd - ToF configuration + * @tof_disabled: 0 enabled, 1 - disabled + * @one_sided_disabled: 0 enabled, 1 - disabled + * @is_debug_mode: 1 debug mode, 0 - otherwise + * @is_buf_required: 1 channel estimation buffer required, 0 - otherwise + */ +struct iwl_tof_config_cmd { + __le32 sub_grp_cmd_id; + u8 tof_disabled; + u8 one_sided_disabled; + u8 is_debug_mode; + u8 is_buf_required; +} __packed; + +/** + * struct iwl_tof_responder_config_cmd - ToF AP mode (for debug) + * @burst_period: future use: (currently hard coded in the LMAC) + * The interval between two sequential bursts. + * @min_delta_ftm: future use: (currently hard coded in the LMAC) + * The minimum delay between two sequential FTM Responses + * in the same burst. + * @burst_duration: future use: (currently hard coded in the LMAC) + * The total time for all FTMs handshake in the same burst. + * Affect the time events duration in the LMAC. + * @num_of_burst_exp: future use: (currently hard coded in the LMAC) + * The number of bursts for the current ToF request. Affect + * the number of events allocations in the current iteration. + * @get_ch_est: for xVT only, NA for driver + * @abort_responder: when set to '1' - Responder will terminate its activity + * (all other fields in the command are ignored) + * @recv_sta_req_params: 1 - Responder will ignore the other Responder's + * params and use the recomended Initiator params. + * 0 - otherwise + * @channel_num: current AP Channel + * @bandwidth: current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @rate: current AP rate + * @ctrl_ch_position: coding of the control channel position relative to + * the center frequency. + * 40MHz 0 below center, 1 above center + * 80MHz bits [0..1]: 0 the near 20MHz to the center, + * 1 the far 20MHz to the center + * bit[2] as above 40MHz + * @ftm_per_burst: FTMs per Burst + * @ftm_resp_ts_avail: '0' - we don't measure over the Initial FTM Response, + * '1' - we measure over the Initial FTM Response + * @asap_mode: ASAP / Non ASAP mode for the current WLS station + * @sta_id: index of the AP STA when in AP mode + * @tsf_timer_offset_msecs: The dictated time offset (mSec) from the AP's TSF + * @toa_offset: Artificial addition [0.1nsec] for the ToA - to be used for debug + * purposes, simulating station movement by adding various values + * to this field + * @bssid: Current AP BSSID + */ +struct iwl_tof_responder_config_cmd { + __le32 sub_grp_cmd_id; + __le16 burst_period; + u8 min_delta_ftm; + u8 burst_duration; + u8 num_of_burst_exp; + u8 get_ch_est; + u8 abort_responder; + u8 recv_sta_req_params; + u8 channel_num; + u8 bandwidth; + u8 rate; + u8 ctrl_ch_position; + u8 ftm_per_burst; + u8 ftm_resp_ts_avail; + u8 asap_mode; + u8 sta_id; + __le16 tsf_timer_offset_msecs; + __le16 toa_offset; + u8 bssid[ETH_ALEN]; +} __packed; + +/** + * struct iwl_tof_range_request_ext_cmd - extended range req for WLS + * @tsf_timer_offset_msec: the recommended time offset (mSec) from the AP's TSF + * @min_delta_ftm: Minimal time between two consecutive measurements, + * in units of 100us. 0 means no preference by station + * @ftm_format_and_bw20M: FTM Channel Spacing/Format for 20MHz: recommended + * value be sent to the AP + * @ftm_format_and_bw40M: FTM Channel Spacing/Format for 40MHz: recommended + * value to be sent to the AP + * @ftm_format_and_bw80M: FTM Channel Spacing/Format for 80MHz: recommended + * value to be sent to the AP + */ +struct iwl_tof_range_req_ext_cmd { + __le32 sub_grp_cmd_id; + __le16 tsf_timer_offset_msec; + __le16 reserved; + u8 min_delta_ftm; + u8 ftm_format_and_bw20M; + u8 ftm_format_and_bw40M; + u8 ftm_format_and_bw80M; +} __packed; + +#define IWL_MVM_TOF_MAX_APS 21 + +/** + * struct iwl_tof_range_req_ap_entry - AP configuration parameters + * @channel_num: Current AP Channel + * @bandwidth: Current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @tsf_delta_direction: TSF relatively to the subject AP + * @ctrl_ch_position: Coding of the control channel position relative to the + * center frequency. + * 40MHz 0 below center, 1 above center + * 80MHz bits [0..1]: 0 the near 20MHz to the center, + * 1 the far 20MHz to the center + * bit[2] as above 40MHz + * @bssid: AP's bss id + * @measure_type: Measurement type: 0 - two sided, 1 - One sided + * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of the + * number of measurement iterations (min 2^0 = 1, max 2^14) + * @burst_period: Recommended value to be sent to the AP. Measurement + * periodicity In units of 100ms. ignored if num_of_bursts = 0 + * @samples_per_burst: 2-sided: the number of FTMs pairs in single Burst (1-31) + * 1-sided: how many rts/cts pairs should be used per burst. + * @retries_per_sample: Max number of retries that the LMAC should send + * in case of no replies by the AP. + * @tsf_delta: TSF Delta in units of microseconds. + * The difference between the AP TSF and the device local clock. + * @location_req: Location Request Bit[0] LCI should be sent in the FTMR + * Bit[1] Civic should be sent in the FTMR + * @asap_mode: 0 - non asap mode, 1 - asap mode (not relevant for one sided) + * @enable_dyn_ack: Enable Dynamic ACK BW. + * 0 Initiator interact with regular AP + * 1 Initiator interact with Responder machine: need to send the + * Initiator Acks with HT 40MHz / 80MHz, since the Responder should + * use it for its ch est measurement (this flag will be set when we + * configure the opposite machine to be Responder). + * @rssi: Last received value + * leagal values: -128-0 (0x7f). above 0x0 indicating an invalid value. + */ +struct iwl_tof_range_req_ap_entry { + u8 channel_num; + u8 bandwidth; + u8 tsf_delta_direction; + u8 ctrl_ch_position; + u8 bssid[ETH_ALEN]; + u8 measure_type; + u8 num_of_bursts; + __le16 burst_period; + u8 samples_per_burst; + u8 retries_per_sample; + __le32 tsf_delta; + u8 location_req; + u8 asap_mode; + u8 enable_dyn_ack; + s8 rssi; +} __packed; + +/** + * enum iwl_tof_response_mode + * @IWL_MVM_TOF_RESPOSE_ASAP: report each AP measurement separately as soon as + * possible (not supported for this release) + * @IWL_MVM_TOF_RESPOSE_TIMEOUT: report all AP measurements as a batch upon + * timeout expiration + * @IWL_MVM_TOF_RESPOSE_COMPLETE: report all AP measurements as a batch at the + * earlier of: measurements completion / timeout + * expiration. + */ +enum iwl_tof_response_mode { + IWL_MVM_TOF_RESPOSE_ASAP = 1, + IWL_MVM_TOF_RESPOSE_TIMEOUT, + IWL_MVM_TOF_RESPOSE_COMPLETE, +}; + +/** + * struct iwl_tof_range_req_cmd - start measurement cmd + * @request_id: A Token incremented per request. The same Token will be + * sent back in the range response + * @initiator: 0- NW initiated, 1 - Client Initiated + * @one_sided_los_disable: '0'- run ML-Algo for both ToF/OneSided, + * '1' - run ML-Algo for ToF only + * @req_timeout: Requested timeout of the response in units of 100ms. + * This is equivalent to the session time configured to the + * LMAC in Initiator Request + * @report_policy: Supported partially for this release: For current release - + * the range report will be uploaded as a batch when ready or + * when the session is done (successfully / partially). + * one of iwl_tof_response_mode. + * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS) + * @macaddr_random: '0' Use default source MAC address (i.e. p2_p), + * '1' Use MAC Address randomization according to the below + * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template. + * Bits set to 1 shall be randomized by the UMAC + */ +struct iwl_tof_range_req_cmd { + __le32 sub_grp_cmd_id; + u8 request_id; + u8 initiator; + u8 one_sided_los_disable; + u8 req_timeout; + u8 report_policy; + u8 los_det_disable; + u8 num_of_ap; + u8 macaddr_random; + u8 macaddr_template[ETH_ALEN]; + u8 macaddr_mask[ETH_ALEN]; + struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS]; +} __packed; + +/** + * struct iwl_tof_gen_resp_cmd - generic ToF response + */ +struct iwl_tof_gen_resp_cmd { + __le32 sub_grp_cmd_id; + u8 data[]; +} __packed; + +/** + * struct iwl_tof_range_rsp_ap_entry_ntfy - AP parameters (response) + * @measure_status: current APs measurement status + * @measure_bw: Current AP Bandwidth: 0 20MHz, 1 40MHz, 2 80MHz + * @rtt: The Round Trip Time that took for the last measurement for + * current AP [nSec] + * @rtt_variance: The Variance of the RTT values measured for current AP + * @rtt_spread: The Difference between the maximum and the minimum RTT + * values measured for current AP in the current session [nsec] + * @rssi: RSSI as uploaded in the Channel Estimation notification + * @rssi_spread: The Difference between the maximum and the minimum RSSI values + * measured for current AP in the current session + * @range: Measured range [cm] + * @range_variance: Measured range variance [cm] + * @timestamp: The GP2 Clock [usec] where Channel Estimation notification was + * uploaded by the LMAC + */ +struct iwl_tof_range_rsp_ap_entry_ntfy { + u8 bssid[ETH_ALEN]; + u8 measure_status; + u8 measure_bw; + __le32 rtt; + __le32 rtt_variance; + __le32 rtt_spread; + s8 rssi; + u8 rssi_spread; + __le16 reserved; + __le32 range; + __le32 range_variance; + __le32 timestamp; +} __packed; + +/** + * struct iwl_tof_range_rsp_ntfy - + * @request_id: A Token ID of the corresponding Range request + * @request_status: status of current measurement session + * @last_in_batch: reprot policy (when not all responses are uploaded at once) + * @num_of_aps: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS) + */ +struct iwl_tof_range_rsp_ntfy { + u8 request_id; + u8 request_status; + u8 last_in_batch; + u8 num_of_aps; + struct iwl_tof_range_rsp_ap_entry_ntfy ap[IWL_MVM_TOF_MAX_APS]; +} __packed; + +#define IWL_MVM_TOF_MCSI_BUF_SIZE (245) +/** + * struct iwl_tof_mcsi_notif - used for debug + * @token: token ID for the current session + * @role: '0' - initiator, '1' - responder + * @initiator_bssid: initiator machine + * @responder_bssid: responder machine + * @mcsi_buffer: debug data + */ +struct iwl_tof_mcsi_notif { + u8 token; + u8 role; + __le16 reserved; + u8 initiator_bssid[ETH_ALEN]; + u8 responder_bssid[ETH_ALEN]; + u8 mcsi_buffer[IWL_MVM_TOF_MCSI_BUF_SIZE * 4]; +} __packed; + +/** + * struct iwl_tof_neighbor_report_notif + * @bssid: BSSID of the AP which sent the report + * @request_token: same token as the corresponding request + * @status: + * @report_ie_len: the length of the response frame starting from the Element ID + * @data: the IEs + */ +struct iwl_tof_neighbor_report { + u8 bssid[ETH_ALEN]; + u8 request_token; + u8 status; + __le16 report_ie_len; + u8 data[]; +} __packed; + +/** + * struct iwl_tof_range_abort_cmd + * @request_id: corresponds to a range request + */ +struct iwl_tof_range_abort_cmd { + __le32 sub_grp_cmd_id; + u8 request_id; + u8 reserved[3]; +} __packed; + +#endif diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h index 81c4ea3c6..853698ab8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -124,6 +124,18 @@ enum iwl_tx_flags { TX_CMD_FLG_HCCA_CHUNK = BIT(31) }; /* TX_FLAGS_BITS_API_S_VER_1 */ +/** + * enum iwl_tx_pm_timeouts - pm timeout values in TX command + * @PM_FRAME_NONE: no need to suspend sleep mode + * @PM_FRAME_MGMT: fw suspend sleep mode for 100TU + * @PM_FRAME_ASSOC: fw suspend sleep mode for 10sec + */ +enum iwl_tx_pm_timeouts { + PM_FRAME_NONE = 0, + PM_FRAME_MGMT = 2, + PM_FRAME_ASSOC = 3, +}; + /* * TX command security control */ diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 16e9ef493..4af7513ad 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -75,6 +75,7 @@ #include "fw-api-coex.h" #include "fw-api-scan.h" #include "fw-api-stats.h" +#include "fw-api-tof.h" /* Tx queue numbers */ enum { @@ -119,6 +120,9 @@ enum { ADD_STA = 0x18, REMOVE_STA = 0x19, + /* paging get item */ + FW_GET_ITEM_CMD = 0x1a, + /* TX */ TX_CMD = 0x1c, TXPATH_FLUSH = 0x1e, @@ -148,6 +152,9 @@ enum { LQ_CMD = 0x4e, + /* paging block to FW cpu2 */ + FW_PAGING_BLOCK_CMD = 0x4f, + /* Scan offload */ SCAN_OFFLOAD_REQUEST_CMD = 0x51, SCAN_OFFLOAD_ABORT_CMD = 0x52, @@ -163,6 +170,10 @@ enum { CALIB_RES_NOTIF_PHY_DB = 0x6b, /* PHY_DB_CMD = 0x6c, */ + /* ToF - 802.11mc FTM */ + TOF_CMD = 0x10, + TOF_NOTIFICATION = 0x11, + /* Power - legacy power table command */ POWER_TABLE_CMD = 0x77, PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78, @@ -365,6 +376,50 @@ struct iwl_nvm_access_cmd { u8 data[]; } __packed; /* NVM_ACCESS_CMD_API_S_VER_2 */ +#define NUM_OF_FW_PAGING_BLOCKS 33 /* 32 for data and 1 block for CSS */ + +/* + * struct iwl_fw_paging_cmd - paging layout + * + * (FW_PAGING_BLOCK_CMD = 0x4f) + * + * Send to FW the paging layout in the driver. + * + * @flags: various flags for the command + * @block_size: the block size in powers of 2 + * @block_num: number of blocks specified in the command. + * @device_phy_addr: virtual addresses from device side +*/ +struct iwl_fw_paging_cmd { + __le32 flags; + __le32 block_size; + __le32 block_num; + __le32 device_phy_addr[NUM_OF_FW_PAGING_BLOCKS]; +} __packed; /* FW_PAGING_BLOCK_CMD_API_S_VER_1 */ + +/* + * Fw items ID's + * + * @IWL_FW_ITEM_ID_PAGING: Address of the pages that the FW will upload + * download + */ +enum iwl_fw_item_id { + IWL_FW_ITEM_ID_PAGING = 3, +}; + +/* + * struct iwl_fw_get_item_cmd - get an item from the fw + */ +struct iwl_fw_get_item_cmd { + __le32 item_id; +} __packed; /* FW_GET_ITEM_CMD_API_S_VER_1 */ + +struct iwl_fw_get_item_resp { + __le32 item_id; + __le32 item_byte_cnt; + __le32 item_val; +} __packed; /* FW_GET_ITEM_RSP_S_VER_1 */ + /** * struct iwl_nvm_access_resp_ver2 - response to NVM_ACCESS_CMD * @offset: offset in bytes into the section @@ -1080,10 +1135,33 @@ struct iwl_rx_phy_info { __le16 frame_time; } __packed; +/* + * TCP offload Rx assist info + * + * bits 0:3 - reserved + * bits 4:7 - MIC CRC length + * bits 8:12 - MAC header length + * bit 13 - Padding indication + * bit 14 - A-AMSDU indication + * bit 15 - Offload enabled + */ +enum iwl_csum_rx_assist_info { + CSUM_RXA_RESERVED_MASK = 0x000f, + CSUM_RXA_MICSIZE_MASK = 0x00f0, + CSUM_RXA_HEADERLEN_MASK = 0x1f00, + CSUM_RXA_PADD = BIT(13), + CSUM_RXA_AMSDU = BIT(14), + CSUM_RXA_ENA = BIT(15) +}; + +/** + * struct iwl_rx_mpdu_res_start - phy info + * @assist: see CSUM_RX_ASSIST_ above + */ struct iwl_rx_mpdu_res_start { __le16 byte_count; - __le16 reserved; -} __packed; + __le16 assist; +} __packed; /* _RX_MPDU_RES_START_API_S_VER_2 */ /** * enum iwl_rx_phy_flags - to parse %iwl_rx_phy_info phy_flags @@ -1136,6 +1214,8 @@ enum iwl_rx_phy_flags { * @RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP: * @RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT: * @RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME: this frame is an 11w management frame + * @RX_MPDU_RES_STATUS_CSUM_DONE: checksum was done by the hw + * @RX_MPDU_RES_STATUS_CSUM_OK: checksum found no errors * @RX_MPDU_RES_STATUS_HASH_INDEX_MSK: * @RX_MPDU_RES_STATUS_STA_ID_MSK: * @RX_MPDU_RES_STATUS_RRF_KILL: @@ -1165,6 +1245,8 @@ enum iwl_mvm_rx_status { RX_MPDU_RES_STATUS_EXT_IV_BIT_CMP = BIT(13), RX_MPDU_RES_STATUS_KEY_ID_CMP_BIT = BIT(14), RX_MPDU_RES_STATUS_ROBUST_MNG_FRAME = BIT(15), + RX_MPDU_RES_STATUS_CSUM_DONE = BIT(16), + RX_MPDU_RES_STATUS_CSUM_OK = BIT(17), RX_MPDU_RES_STATUS_HASH_INDEX_MSK = (0x3F0000), RX_MPDU_RES_STATUS_STA_ID_MSK = (0x1f000000), RX_MPDU_RES_STATUS_RRF_KILL = BIT(29), diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index eb10c5ee4..5c7f7cc9f 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -106,6 +106,306 @@ static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant) sizeof(tx_ant_cmd), &tx_ant_cmd); } +static void iwl_free_fw_paging(struct iwl_mvm *mvm) +{ + int i; + + if (!mvm->fw_paging_db[0].fw_paging_block) + return; + + for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) { + if (!mvm->fw_paging_db[i].fw_paging_block) { + IWL_DEBUG_FW(mvm, + "Paging: block %d already freed, continue to next page\n", + i); + + continue; + } + + __free_pages(mvm->fw_paging_db[i].fw_paging_block, + get_order(mvm->fw_paging_db[i].fw_paging_size)); + } + kfree(mvm->trans->paging_download_buf); + memset(mvm->fw_paging_db, 0, sizeof(mvm->fw_paging_db)); +} + +static int iwl_fill_paging_mem(struct iwl_mvm *mvm, const struct fw_img *image) +{ + int sec_idx, idx; + u32 offset = 0; + + /* + * find where is the paging image start point: + * if CPU2 exist and it's in paging format, then the image looks like: + * CPU1 sections (2 or more) + * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2 + * CPU2 sections (not paged) + * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2 + * non paged to CPU2 paging sec + * CPU2 paging CSS + * CPU2 paging image (including instruction and data) + */ + for (sec_idx = 0; sec_idx < IWL_UCODE_SECTION_MAX; sec_idx++) { + if (image->sec[sec_idx].offset == PAGING_SEPARATOR_SECTION) { + sec_idx++; + break; + } + } + + if (sec_idx >= IWL_UCODE_SECTION_MAX) { + IWL_ERR(mvm, "driver didn't find paging image\n"); + iwl_free_fw_paging(mvm); + return -EINVAL; + } + + /* copy the CSS block to the dram */ + IWL_DEBUG_FW(mvm, "Paging: load paging CSS to FW, sec = %d\n", + sec_idx); + + memcpy(page_address(mvm->fw_paging_db[0].fw_paging_block), + image->sec[sec_idx].data, + mvm->fw_paging_db[0].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d CSS bytes to first block\n", + mvm->fw_paging_db[0].fw_paging_size); + + sec_idx++; + + /* + * copy the paging blocks to the dram + * loop index start from 1 since that CSS block already copied to dram + * and CSS index is 0. + * loop stop at num_of_paging_blk since that last block is not full. + */ + for (idx = 1; idx < mvm->num_of_paging_blk; idx++) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + mvm->fw_paging_db[idx].fw_paging_size); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d paging bytes to block %d\n", + mvm->fw_paging_db[idx].fw_paging_size, + idx); + + offset += mvm->fw_paging_db[idx].fw_paging_size; + } + + /* copy the last paging block */ + if (mvm->num_of_pages_in_last_blk > 0) { + memcpy(page_address(mvm->fw_paging_db[idx].fw_paging_block), + image->sec[sec_idx].data + offset, + FW_PAGING_SIZE * mvm->num_of_pages_in_last_blk); + + IWL_DEBUG_FW(mvm, + "Paging: copied %d pages in the last block %d\n", + mvm->num_of_pages_in_last_blk, idx); + } + + return 0; +} + +static int iwl_alloc_fw_paging_mem(struct iwl_mvm *mvm, + const struct fw_img *image) +{ + struct page *block; + dma_addr_t phys = 0; + int blk_idx = 0; + int order, num_of_pages; + int dma_enabled; + + if (mvm->fw_paging_db[0].fw_paging_block) + return 0; + + dma_enabled = is_device_dma_capable(mvm->trans->dev); + + /* ensure BLOCK_2_EXP_SIZE is power of 2 of PAGING_BLOCK_SIZE */ + BUILD_BUG_ON(BIT(BLOCK_2_EXP_SIZE) != PAGING_BLOCK_SIZE); + + num_of_pages = image->paging_mem_size / FW_PAGING_SIZE; + mvm->num_of_paging_blk = ((num_of_pages - 1) / + NUM_OF_PAGE_PER_GROUP) + 1; + + mvm->num_of_pages_in_last_blk = + num_of_pages - + NUM_OF_PAGE_PER_GROUP * (mvm->num_of_paging_blk - 1); + + IWL_DEBUG_FW(mvm, + "Paging: allocating mem for %d paging blocks, each block holds 8 pages, last block holds %d pages\n", + mvm->num_of_paging_blk, + mvm->num_of_pages_in_last_blk); + + /* allocate block of 4Kbytes for paging CSS */ + order = get_order(FW_PAGING_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = FW_PAGING_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one since + * we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 4K(CSS) bytes (order %d) for firmware paging.\n", + order); + + /* + * allocate blocks in dram. + * since that CSS allocated in fw_paging_db[0] loop start from index 1 + */ + for (blk_idx = 1; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { + /* allocate block of PAGING_BLOCK_SIZE (32K) */ + order = get_order(PAGING_BLOCK_SIZE); + block = alloc_pages(GFP_KERNEL, order); + if (!block) { + /* free all the previous pages since we failed */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + + mvm->fw_paging_db[blk_idx].fw_paging_block = block; + mvm->fw_paging_db[blk_idx].fw_paging_size = PAGING_BLOCK_SIZE; + + if (dma_enabled) { + phys = dma_map_page(mvm->trans->dev, block, 0, + PAGE_SIZE << order, + DMA_BIDIRECTIONAL); + if (dma_mapping_error(mvm->trans->dev, phys)) { + /* + * free the previous pages and the current one + * since we failed to map_page. + */ + iwl_free_fw_paging(mvm); + return -ENOMEM; + } + mvm->fw_paging_db[blk_idx].fw_paging_phys = phys; + } else { + mvm->fw_paging_db[blk_idx].fw_paging_phys = + PAGING_ADDR_SIG | + blk_idx << BLOCK_2_EXP_SIZE; + } + + IWL_DEBUG_FW(mvm, + "Paging: allocated 32K bytes (order %d) for firmware paging.\n", + order); + } + + return 0; +} + +static int iwl_save_fw_paging(struct iwl_mvm *mvm, + const struct fw_img *fw) +{ + int ret; + + ret = iwl_alloc_fw_paging_mem(mvm, fw); + if (ret) + return ret; + + return iwl_fill_paging_mem(mvm, fw); +} + +/* send paging cmd to FW in case CPU2 has paging image */ +static int iwl_send_paging_cmd(struct iwl_mvm *mvm, const struct fw_img *fw) +{ + int blk_idx; + __le32 dev_phy_addr; + struct iwl_fw_paging_cmd fw_paging_cmd = { + .flags = + cpu_to_le32(PAGING_CMD_IS_SECURED | + PAGING_CMD_IS_ENABLED | + (mvm->num_of_pages_in_last_blk << + PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)), + .block_size = cpu_to_le32(BLOCK_2_EXP_SIZE), + .block_num = cpu_to_le32(mvm->num_of_paging_blk), + }; + + /* loop for for all paging blocks + CSS block */ + for (blk_idx = 0; blk_idx < mvm->num_of_paging_blk + 1; blk_idx++) { + dev_phy_addr = + cpu_to_le32(mvm->fw_paging_db[blk_idx].fw_paging_phys >> + PAGE_2_EXP_SIZE); + fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr; + } + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(FW_PAGING_BLOCK_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(fw_paging_cmd), &fw_paging_cmd); +} + +/* + * Send paging item cmd to FW in case CPU2 has paging image + */ +static int iwl_trans_get_paging_item(struct iwl_mvm *mvm) +{ + int ret; + struct iwl_fw_get_item_cmd fw_get_item_cmd = { + .item_id = cpu_to_le32(IWL_FW_ITEM_ID_PAGING), + }; + + struct iwl_fw_get_item_resp *item_resp; + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(FW_GET_ITEM_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .flags = CMD_WANT_SKB | CMD_SEND_IN_RFKILL, + .data = { &fw_get_item_cmd, }, + }; + + cmd.len[0] = sizeof(struct iwl_fw_get_item_cmd); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + if (ret) { + IWL_ERR(mvm, + "Paging: Failed to send FW_GET_ITEM_CMD cmd (err = %d)\n", + ret); + return ret; + } + + item_resp = (void *)((struct iwl_rx_packet *)cmd.resp_pkt)->data; + if (item_resp->item_id != cpu_to_le32(IWL_FW_ITEM_ID_PAGING)) { + IWL_ERR(mvm, + "Paging: got wrong item in FW_GET_ITEM_CMD resp (item_id = %u)\n", + le32_to_cpu(item_resp->item_id)); + ret = -EIO; + goto exit; + } + + mvm->trans->paging_download_buf = kzalloc(MAX_PAGING_IMAGE_SIZE, + GFP_KERNEL); + if (!mvm->trans->paging_download_buf) { + ret = -ENOMEM; + goto exit; + } + mvm->trans->paging_req_addr = le32_to_cpu(item_resp->item_val); + mvm->trans->paging_db = mvm->fw_paging_db; + IWL_DEBUG_FW(mvm, + "Paging: got paging request address (paging_req_addr 0x%08x)\n", + mvm->trans->paging_req_addr); + +exit: + iwl_free_resp(&cmd); + + return ret; +} + static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait, struct iwl_rx_packet *pkt, void *data) { @@ -213,7 +513,7 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, const struct fw_img *fw; int ret, i; enum iwl_ucode_type old_type = mvm->cur_ucode; - static const u8 alive_cmd[] = { MVM_ALIVE }; + static const u16 alive_cmd[] = { MVM_ALIVE }; struct iwl_sf_region st_fwrd_space; if (ucode_type == IWL_UCODE_REGULAR && @@ -244,6 +544,11 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, ret = iwl_wait_notification(&mvm->notif_wait, &alive_wait, MVM_UCODE_ALIVE_TIMEOUT); if (ret) { + if (mvm->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) + IWL_ERR(mvm, + "SecBoot CPU1 Status: 0x%x, CPU2 Status: 0x%x\n", + iwl_read_prph(mvm->trans, SB_CPU_1_STATUS), + iwl_read_prph(mvm->trans, SB_CPU_2_STATUS)); mvm->cur_ucode = old_type; return ret; } @@ -269,6 +574,40 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm, iwl_trans_fw_alive(mvm->trans, alive_data.scd_base_addr); /* + * configure and operate fw paging mechanism. + * driver configures the paging flow only once, CPU2 paging image + * included in the IWL_UCODE_INIT image. + */ + if (fw->paging_mem_size) { + /* + * When dma is not enabled, the driver needs to copy / write + * the downloaded / uploaded page to / from the smem. + * This gets the location of the place were the pages are + * stored. + */ + if (!is_device_dma_capable(mvm->trans->dev)) { + ret = iwl_trans_get_paging_item(mvm); + if (ret) { + IWL_ERR(mvm, "failed to get FW paging item\n"); + return ret; + } + } + + ret = iwl_save_fw_paging(mvm, fw); + if (ret) { + IWL_ERR(mvm, "failed to save the FW paging image\n"); + return ret; + } + + ret = iwl_send_paging_cmd(mvm, fw); + if (ret) { + IWL_ERR(mvm, "failed to send the paging cmd\n"); + iwl_free_fw_paging(mvm); + return ret; + } + } + + /* * Note: all the queues are enabled as part of the interface * initialization, but in firmware restart scenarios they * could be stopped, so wake them up. In firmware restart, @@ -314,7 +653,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm) int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) { struct iwl_notification_wait calib_wait; - static const u8 init_complete[] = { + static const u16 init_complete[] = { INIT_COMPLETE_NOTIF, CALIB_RES_NOTIF_PHY_DB }; @@ -364,7 +703,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) * abort after reading the nvm in case RF Kill is on, we will complete * the init seq later when RF kill will switch to off */ - if (iwl_mvm_is_radio_killed(mvm)) { + if (iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "jump over all phy activities due to RF kill\n"); iwl_remove_notification(&mvm->notif_wait, &calib_wait); @@ -397,7 +736,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait, MVM_UCODE_CALIB_TIMEOUT); - if (ret && iwl_mvm_is_radio_killed(mvm)) { + if (ret && iwl_mvm_is_radio_hw_killed(mvm)) { IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n"); ret = 1; } @@ -444,12 +783,6 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) return; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from SHARED_MEM_CFG (0x%08X)\n", - pkt->hdr.flags); - goto exit; - } - mem_cfg = (void *)pkt->data; mvm->shared_mem_cfg.shared_mem_addr = @@ -473,14 +806,18 @@ static void iwl_mvm_get_shared_mem_conf(struct iwl_mvm *mvm) le32_to_cpu(mem_cfg->page_buff_size); IWL_DEBUG_INFO(mvm, "SHARED MEM CFG: got memory offsets/sizes\n"); -exit: iwl_free_resp(&cmd); } int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, struct iwl_mvm_dump_desc *desc, - unsigned int delay) + struct iwl_fw_dbg_trigger_tlv *trigger) { + unsigned int delay = 0; + + if (trigger) + delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); + if (test_and_set_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status)) return -EBUSY; @@ -491,6 +828,7 @@ int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, le32_to_cpu(desc->trig_desc.type)); mvm->fw_dump_desc = desc; + mvm->fw_dump_trig = trigger; queue_delayed_work(system_wq, &mvm->fw_dump_wk, delay); @@ -498,7 +836,8 @@ int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, } int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, unsigned int delay) + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger) { struct iwl_mvm_dump_desc *desc; @@ -510,14 +849,13 @@ int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, desc->trig_desc.type = cpu_to_le32(trig); memcpy(desc->trig_desc.data, str, len); - return iwl_mvm_fw_dbg_collect_desc(mvm, desc, delay); + return iwl_mvm_fw_dbg_collect_desc(mvm, desc, trigger); } int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, struct iwl_fw_dbg_trigger_tlv *trigger, const char *fmt, ...) { - unsigned int delay = msecs_to_jiffies(le32_to_cpu(trigger->stop_delay)); u16 occurrences = le16_to_cpu(trigger->occurrences); int ret, len = 0; char buf[64]; @@ -541,8 +879,9 @@ int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, len = strlen(buf) + 1; } - ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, - len, delay); + ret = iwl_mvm_fw_dbg_collect(mvm, le32_to_cpu(trigger->id), buf, len, + trigger); + if (ret) return ret; @@ -676,8 +1015,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } - if (IWL_UCODE_API(mvm->fw->ucode_ver) >= 10) - iwl_mvm_get_shared_mem_conf(mvm); + iwl_mvm_get_shared_mem_conf(mvm); ret = iwl_mvm_sf_update(mvm, NULL, false); if (ret) @@ -760,6 +1098,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm) goto error; } + if (iwl_mvm_is_csum_supported(mvm) && + mvm->cfg->features & NETIF_F_RXCSUM) + iwl_trans_write_prph(mvm->trans, RX_EN_CSUM, 0x3); + /* allow FW/transport low power modes if not during restart */ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); @@ -815,9 +1157,8 @@ int iwl_mvm_load_d3_fw(struct iwl_mvm *mvm) return ret; } -int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_card_state_notif *card_state_notif = (void *)pkt->data; @@ -828,13 +1169,10 @@ int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, (flags & SW_CARD_DISABLED) ? "Kill" : "On", (flags & CT_KILL_CARD_DISABLED) ? "Reached" : "Not reached"); - - return 0; } -int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mfuart_load_notif *mfuart_notif = (void *)pkt->data; @@ -845,5 +1183,4 @@ int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, le32_to_cpu(mfuart_notif->external_ver), le32_to_cpu(mfuart_notif->status), le32_to_cpu(mfuart_notif->duration)); - return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 1812dd018..3424315dd 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -1312,9 +1312,8 @@ static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm, } } -int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_extended_beacon_notif *beacon = (void *)pkt->data; @@ -1365,8 +1364,6 @@ int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); } } - - return 0; } static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, @@ -1415,9 +1412,8 @@ static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac, iwl_mvm_fw_dbg_collect_trig(mvm, trigger, NULL); } -int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_missed_beacons_notif *mb = (void *)pkt->data; @@ -1434,5 +1430,4 @@ int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_beacon_loss_iterator, mb); - return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index dfdab38e2..7c2944a72 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -641,6 +641,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) IWL_UCODE_TLV_CAPA_TDLS_SUPPORT)) { IWL_DEBUG_TDLS(mvm, "TDLS supported\n"); hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS; + ieee80211_hw_set(hw, TDLS_WIDER_BW); } if (fw_has_capa(&mvm->fw->ucode_capa, @@ -649,6 +650,10 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; } + hw->netdev_features |= mvm->cfg->features; + if (!iwl_mvm_is_csum_supported(mvm)) + hw->netdev_features &= ~NETIF_F_RXCSUM; + ret = ieee80211_register_hw(mvm->hw); if (ret) iwl_mvm_leds_exit(mvm); @@ -1120,9 +1125,14 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) u32 file_len, fifo_data_len = 0; u32 smem_len = mvm->cfg->smem_len; u32 sram2_len = mvm->cfg->dccm2_len; + bool monitor_dump_only = false; lockdep_assert_held(&mvm->mutex); + if (mvm->fw_dump_trig && + mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY) + monitor_dump_only = true; + fw_error_dump = kzalloc(sizeof(*fw_error_dump), GFP_KERNEL); if (!fw_error_dump) return; @@ -1174,6 +1184,20 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) fifo_data_len + sizeof(*dump_info); + /* Make room for the SMEM, if it exists */ + if (smem_len) + file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; + + /* Make room for the secondary SRAM, if it exists */ + if (sram2_len) + file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; + + /* If we only want a monitor dump, reset the file length */ + if (monitor_dump_only) { + file_len = sizeof(*dump_file) + sizeof(*dump_data) + + sizeof(*dump_info); + } + /* * In 8000 HW family B-step include the ICCM (which resides separately) */ @@ -1186,14 +1210,6 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) file_len += sizeof(*dump_data) + sizeof(*dump_trig) + mvm->fw_dump_desc->len; - /* Make room for the SMEM, if it exists */ - if (smem_len) - file_len += sizeof(*dump_data) + sizeof(*dump_mem) + smem_len; - - /* Make room for the secondary SRAM, if it exists */ - if (sram2_len) - file_len += sizeof(*dump_data) + sizeof(*dump_mem) + sram2_len; - dump_file = vzalloc(file_len); if (!dump_file) { kfree(fw_error_dump); @@ -1239,6 +1255,10 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dump_data = iwl_fw_error_next_data(dump_data); } + /* In case we only want monitor dump, skip to dump trasport data */ + if (monitor_dump_only) + goto dump_trans_data; + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_MEM); dump_data->len = cpu_to_le32(sram_len + sizeof(*dump_mem)); dump_mem = (void *)dump_data->data; @@ -1282,7 +1302,9 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dump_mem->data, IWL8260_ICCM_LEN); } - fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); +dump_trans_data: + fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans, + mvm->fw_dump_trig); fw_error_dump->op_mode_len = file_len; if (fw_error_dump->trans_ptr) file_len += fw_error_dump->trans_ptr->len; @@ -1291,6 +1313,7 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) dev_coredumpm(mvm->trans->dev, THIS_MODULE, fw_error_dump, 0, GFP_KERNEL, iwl_mvm_read_coredump, iwl_mvm_free_coredump); + mvm->fw_dump_trig = NULL; clear_bit(IWL_MVM_STATUS_DUMPING_FW_LOG, &mvm->status); } @@ -1433,22 +1456,9 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) static void iwl_mvm_resume_complete(struct iwl_mvm *mvm) { - bool exit_now; - if (!iwl_mvm_is_d0i3_supported(mvm)) return; - mutex_lock(&mvm->d0i3_suspend_mutex); - __clear_bit(D0I3_DEFER_WAKEUP, &mvm->d0i3_suspend_flags); - exit_now = __test_and_clear_bit(D0I3_PENDING_WAKEUP, - &mvm->d0i3_suspend_flags); - mutex_unlock(&mvm->d0i3_suspend_mutex); - - if (exit_now) { - IWL_DEBUG_RPM(mvm, "Run deferred d0i3 exit\n"); - _iwl_mvm_exit_d0i3(mvm); - } - if (mvm->trans->d0i3_mode == IWL_D0I3_MODE_ON_SUSPEND) if (!wait_event_timeout(mvm->d0i3_exit_waitq, !test_bit(IWL_MVM_STATUS_IN_D0I3, @@ -1585,20 +1595,23 @@ static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif, s16 tx_power) { struct iwl_dev_tx_power_cmd cmd = { - .set_mode = 0, - .mac_context_id = + .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), + .v2.mac_context_id = cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), - .pwr_restriction = cpu_to_le16(8 * tx_power), + .v2.pwr_restriction = cpu_to_le16(8 * tx_power), }; + int len = sizeof(cmd); if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_DEV)) return iwl_mvm_set_tx_power_old(mvm, vif, tx_power); if (tx_power == IWL_DEFAULT_MAX_TX_POWER) - cmd.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); + cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); - return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, - sizeof(cmd), &cmd); + if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN)) + len = sizeof(cmd.v2); + + return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, @@ -1664,6 +1677,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, goto out_unlock; } + mvmvif->features |= hw->netdev_features; + ret = iwl_mvm_mac_ctxt_add(mvm, vif); if (ret) goto out_release; @@ -2373,6 +2388,7 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); RCU_INIT_POINTER(mvm->csa_vif, NULL); + mvmvif->csa_countdown = false; } if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { @@ -2880,10 +2896,11 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, switch (key->cipher) { case WLAN_CIPHER_SUITE_TKIP: key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC; - /* fall-through */ - case WLAN_CIPHER_SUITE_CCMP: key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; break; + case WLAN_CIPHER_SUITE_CCMP: + key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; + break; case WLAN_CIPHER_SUITE_AES_CMAC: WARN_ON_ONCE(!ieee80211_hw_check(hw, MFP_CAPABLE)); break; @@ -3025,7 +3042,7 @@ static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, int res, time_reg = DEVICE_SYSTEM_TIME_REG; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; - static const u8 time_event_response[] = { HOT_SPOT_CMD }; + static const u16 time_event_response[] = { HOT_SPOT_CMD }; struct iwl_notification_wait wait_time_event; struct iwl_hs20_roc_req aux_roc_req = { .action = cpu_to_le32(FW_CTXT_ACTION_ADD), diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index 2d4bad5fe..c754051a4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -80,6 +80,7 @@ #include "sta.h" #include "fw-api.h" #include "constants.h" +#include "tof.h" #define IWL_INVALID_MAC80211_QUEUE 0xff #define IWL_MVM_MAX_ADDRESSES 5 @@ -122,8 +123,7 @@ extern const struct ieee80211_ops iwl_mvm_hw_ops; * be up'ed after the INIT fw asserted. This is useful to be able to use * proprietary tools over testmode to debug the INIT fw. * @tfd_q_hang_detect: enabled the detection of hung transmit queues - * @power_scheme: CAM(Continuous Active Mode)-1, BPS(Balanced Power - * Save)-2(default), LP(Low Power)-3 + * @power_scheme: one of enum iwl_power_scheme */ struct iwl_mvm_mod_params { bool init_dbg; @@ -357,6 +357,7 @@ struct iwl_mvm_vif_bf_data { * # of received beacons accumulated over FW restart, and the current * average signal of beacons retrieved from the firmware * @csa_failed: CSA failed to schedule time event, report an error later + * @features: hw features active for this vif */ struct iwl_mvm_vif { struct iwl_mvm *mvm; @@ -437,6 +438,9 @@ struct iwl_mvm_vif { /* Indicates that CSA countdown may be started */ bool csa_countdown; bool csa_failed; + + /* TCP Checksum Offload */ + netdev_features_t features; }; static inline struct iwl_mvm_vif * @@ -606,6 +610,11 @@ struct iwl_mvm { /* NVM sections */ struct iwl_nvm_section nvm_sections[NVM_MAX_NUM_SECTIONS]; + /* Paging section */ + struct iwl_fw_paging fw_paging_db[NUM_OF_FW_PAGING_BLOCKS]; + u16 num_of_paging_blk; + u16 num_of_pages_in_last_blk; + /* EEPROM MAC addresses */ struct mac_address addresses[IWL_MVM_MAX_ADDRESSES]; @@ -686,6 +695,7 @@ struct iwl_mvm { * can hold 16 keys at most. Reflect this fact. */ unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; + u8 fw_key_deleted[STA_KEY_MAX_NUM]; /* references taken by the driver and spinlock protecting them */ spinlock_t refs_lock; @@ -698,6 +708,7 @@ struct iwl_mvm { u8 fw_dbg_conf; struct delayed_work fw_dump_wk; struct iwl_mvm_dump_desc *fw_dump_desc; + struct iwl_fw_dbg_trigger_tlv *fw_dump_trig; #ifdef CONFIG_IWLWIFI_LEDS struct led_classdev led; @@ -822,6 +833,7 @@ struct iwl_mvm { struct iwl_mvm_shared_mem_cfg shared_mem_cfg; u32 ciphers[6]; + struct iwl_mvm_tof_data tof_data; }; /* Extract MVM priv from op_mode and _hw */ @@ -848,6 +860,11 @@ static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status); } +static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm) +{ + return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); +} + /* Must be called with rcu_read_lock() held and it can only be * released when mvmsta is not needed anymore. */ @@ -941,6 +958,12 @@ static inline bool iwl_mvm_bt_is_rrc_supported(struct iwl_mvm *mvm) IWL_MVM_BT_COEX_RRC; } +static inline bool iwl_mvm_is_csum_supported(struct iwl_mvm *mvm) +{ + return fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CSUM_SUPPORT); +} + extern const u8 iwl_mvm_ac_to_tx_fifo[]; struct iwl_rate_info { @@ -974,12 +997,12 @@ u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); /* Tx / Host Commands */ int __must_check iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd); -int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, +int __must_check iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, u32 flags, u16 len, const void *data); int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, u32 *status); -int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, +int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, const void *data, u32 *status); int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, @@ -988,10 +1011,6 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb); void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, u8 sta_id); -void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, - struct ieee80211_tx_info *info, - struct iwl_tx_cmd *tx_cmd, - struct sk_buff *skb_frag); void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, struct ieee80211_tx_info *info, struct ieee80211_sta *sta, __le16 fc); @@ -1003,6 +1022,17 @@ static inline const char *iwl_mvm_get_tx_fail_reason(u32 status) { return ""; } int iwl_mvm_flush_tx_path(struct iwl_mvm *mvm, u32 tfd_msk, bool sync); void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm); +static inline void iwl_mvm_set_tx_cmd_ccmp(struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd) +{ + struct ieee80211_key_conf *keyconf = info->control.hw_key; + + tx_cmd->sec_ctl = TX_CMD_SEC_CCM; + memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); + if (info->flags & IEEE80211_TX_CTL_AMPDU) + tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG); +} + static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) { flush_work(&mvm->async_handlers_wk); @@ -1011,9 +1041,8 @@ static inline void iwl_mvm_wait_for_async_handlers(struct iwl_mvm *mvm) /* Statistics */ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt); -int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); int iwl_mvm_request_statistics(struct iwl_mvm *mvm, bool clear); void iwl_mvm_accu_radio_stats(struct iwl_mvm *mvm); @@ -1059,27 +1088,20 @@ bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, * FW notifications / CMD responses handlers * Convention: iwl_mvm_rx_<NAME OF THE CMD> */ -int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_card_state_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_mfuart_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_shared_mem_cfg_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* MVM PHY */ int iwl_mvm_phy_ctxt_add(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt, @@ -1106,12 +1128,10 @@ int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif); u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif); int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif); -int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm, struct ieee80211_vif *vif); unsigned long iwl_mvm_get_used_hw_queues(struct iwl_mvm *mvm, @@ -1135,29 +1155,24 @@ int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); /* Scheduled scan */ -int iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, struct ieee80211_scan_ies *ies, int type); -int iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* UMAC scan */ int iwl_mvm_config_scan(struct iwl_mvm *mvm); -int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); -int iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* MVM debugfs */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1196,9 +1211,8 @@ int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif, char *buf, int bufsz); void iwl_mvm_power_vif_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif); -int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); #ifdef CONFIG_IWLWIFI_LEDS int iwl_mvm_leds_init(struct iwl_mvm *mvm); @@ -1254,9 +1268,8 @@ int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); /* BT Coex */ int iwl_send_bt_init_conf(struct iwl_mvm *mvm); -int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event_data); void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm); @@ -1274,9 +1287,8 @@ u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm); void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm); int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm); -int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum ieee80211_rssi_event_data); u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm, @@ -1285,9 +1297,8 @@ bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm, struct ieee80211_sta *sta); bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm, enum ieee80211_band band); -int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* beacon filtering */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1376,9 +1387,8 @@ static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, int queue, /* Thermal management and CT-kill */ void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff); void iwl_mvm_tt_temp_changed(struct iwl_mvm *mvm, u32 temp); -int iwl_mvm_temp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_temp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_tt_handler(struct iwl_mvm *mvm); void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff); void iwl_mvm_tt_exit(struct iwl_mvm *mvm); @@ -1390,9 +1400,8 @@ struct iwl_mcc_update_resp * iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, enum iwl_mcc_source src_id); int iwl_mvm_init_mcc(struct iwl_mvm *mvm); -int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy, const char *alpha2, enum iwl_mcc_source src_id, @@ -1431,8 +1440,7 @@ void iwl_mvm_tdls_recv_channel_switch(struct ieee80211_hw *hw, void iwl_mvm_tdls_cancel_channel_switch(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta); -int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_tdls_ch_switch_work(struct work_struct *work); struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); @@ -1442,10 +1450,11 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm); int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 id); int iwl_mvm_fw_dbg_collect(struct iwl_mvm *mvm, enum iwl_fw_dbg_trigger trig, - const char *str, size_t len, unsigned int delay); + const char *str, size_t len, + struct iwl_fw_dbg_trigger_tlv *trigger); int iwl_mvm_fw_dbg_collect_desc(struct iwl_mvm *mvm, struct iwl_mvm_dump_desc *desc, - unsigned int delay); + struct iwl_fw_dbg_trigger_tlv *trigger); void iwl_mvm_free_fw_dump_desc(struct iwl_mvm *mvm); int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, struct iwl_fw_dbg_trigger_tlv *trigger, diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c index dfdf0f5f5..16f60096e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -139,12 +139,6 @@ static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section, return ret; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from NVM_ACCES_COMMAND (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - goto exit; - } /* Extract NVM response */ nvm_resp = (void *)pkt->data; @@ -652,12 +646,6 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, return ERR_PTR(ret); pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from MCC_UPDATE_COMMAND (0x%08X)\n", - pkt->hdr.flags); - ret = -EIO; - goto exit; - } /* Extract MCC response */ mcc_resp = (void *)pkt->data; @@ -839,9 +827,8 @@ int iwl_mvm_init_mcc(struct iwl_mvm *mvm) return retval; } -int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mcc_chub_notif *notif = (void *)pkt->data; @@ -852,7 +839,7 @@ int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); if (WARN_ON_ONCE(!iwl_mvm_is_lar_supported(mvm))) - return 0; + return; mcc[0] = notif->mcc >> 8; mcc[1] = notif->mcc & 0xff; @@ -864,10 +851,8 @@ int iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm, mcc, src); regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, NULL); if (IS_ERR_OR_NULL(regd)) - return 0; + return; regulatory_set_wiphy_regd(mvm->hw->wiphy, regd); kfree(regd); - - return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index e4fa50075..f0cb092f9 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -201,14 +201,15 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) } struct iwl_rx_handlers { - u8 cmd_id; + u16 cmd_id; bool async; - int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; #define RX_HANDLER(_cmd_id, _fn, _async) \ { .cmd_id = _cmd_id , .fn = _fn , .async = _async } +#define RX_HANDLER_GRP(_grp, _cmd, _fn, _async) \ + { .cmd_id = WIDE_ID(_grp, _cmd), .fn = _fn, .async = _async } /* * Handlers for fw notifications @@ -221,7 +222,6 @@ struct iwl_rx_handlers { * called from a worker with mvm->mutex held. */ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { - RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false), RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false), RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false), RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false), @@ -261,12 +261,14 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(TDLS_CHANNEL_SWITCH_NOTIFICATION, iwl_mvm_rx_tdls_notif, true), RX_HANDLER(MFUART_LOAD_NOTIFICATION, iwl_mvm_rx_mfuart_notif, false), + RX_HANDLER(TOF_NOTIFICATION, iwl_mvm_tof_resp_handler, true), }; #undef RX_HANDLER +#undef RX_HANDLER_GRP #define CMD(x) [x] = #x -static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { +static const char *const iwl_mvm_cmd_strings[REPLY_MAX + 1] = { CMD(MVM_ALIVE), CMD(REPLY_ERROR), CMD(INIT_COMPLETE_NOTIF), @@ -286,8 +288,10 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(PHY_CONFIGURATION_CMD), CMD(CALIB_RES_NOTIF_PHY_DB), CMD(SET_CALIB_DEFAULT_CMD), + CMD(FW_PAGING_BLOCK_CMD), CMD(ADD_STA_KEY), CMD(ADD_STA), + CMD(FW_GET_ITEM_CMD), CMD(REMOVE_STA), CMD(LQ_CMD), CMD(SCAN_OFFLOAD_CONFIG_CMD), @@ -470,6 +474,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.no_reclaim_cmds = no_reclaim_cmds; trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); trans_cfg.rx_buf_size_8k = iwlwifi_mod_params.amsdu_size_8K; + trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_WIDE_CMD_HDR); if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_DW_BC_TABLE) trans_cfg.bc_table_dword = true; @@ -576,12 +582,15 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, /* rpm starts with a taken ref. only set the appropriate bit here. */ mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; + iwl_mvm_tof_init(mvm); + return op_mode; out_unregister: ieee80211_unregister_hw(mvm->hw); iwl_mvm_leds_exit(mvm); out_free: + flush_delayed_work(&mvm->fw_dump_wk); iwl_phy_db_free(mvm->phy_db); kfree(mvm->scan_cmd); if (!cfg->no_power_up_nic_in_init || !mvm->nvm_file_name) @@ -623,14 +632,15 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++) kfree(mvm->nvm_sections[i].data); + iwl_mvm_tof_clean(mvm); + ieee80211_free_hw(mvm->hw); } struct iwl_async_handler_entry { struct list_head list; struct iwl_rx_cmd_buffer rxb; - int (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); + void (*fn)(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); }; void iwl_mvm_async_handlers_purge(struct iwl_mvm *mvm) @@ -667,9 +677,7 @@ static void iwl_mvm_async_handlers_wk(struct work_struct *wk) spin_unlock_bh(&mvm->async_handlers_lock); list_for_each_entry_safe(entry, tmp, &local_list, list) { - if (entry->fn(mvm, &entry->rxb, NULL)) - IWL_WARN(mvm, - "returned value from ASYNC handlers are ignored\n"); + entry->fn(mvm, &entry->rxb); iwl_free_rxb(&entry->rxb); list_del(&entry->list); kfree(entry); @@ -698,24 +706,30 @@ static inline void iwl_mvm_rx_check_trigger(struct iwl_mvm *mvm, if (!cmds_trig->cmds[i].cmd_id) break; - if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd) + if (cmds_trig->cmds[i].cmd_id != pkt->hdr.cmd || + cmds_trig->cmds[i].group_id != pkt->hdr.group_id) continue; iwl_mvm_fw_dbg_collect_trig(mvm, trig, - "CMD 0x%02x received", - pkt->hdr.cmd); + "CMD 0x%02x.%02x received", + pkt->hdr.group_id, pkt->hdr.cmd); break; } } -static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +static void iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, + struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); u8 i; + if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) { + iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); + return; + } + iwl_mvm_rx_check_trigger(mvm, pkt); /* @@ -729,16 +743,18 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, const struct iwl_rx_handlers *rx_h = &iwl_mvm_rx_handlers[i]; struct iwl_async_handler_entry *entry; - if (rx_h->cmd_id != pkt->hdr.cmd) + if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) continue; - if (!rx_h->async) - return rx_h->fn(mvm, rxb, cmd); + if (!rx_h->async) { + rx_h->fn(mvm, rxb); + return; + } entry = kzalloc(sizeof(*entry), GFP_ATOMIC); /* we can't do much... */ if (!entry) - return 0; + return; entry->rxb._page = rxb_steal_page(rxb); entry->rxb._offset = rxb->_offset; @@ -750,8 +766,6 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode, schedule_work(&mvm->async_handlers_wk); break; } - - return 0; } static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue) @@ -903,7 +917,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) * can't recover this since we're already half suspended. */ if (!mvm->restart_fw && fw_error) { - iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, 0); + iwl_mvm_fw_dbg_collect_desc(mvm, &iwl_mvm_dump_desc_assert, + NULL); } else if (test_and_set_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; @@ -1100,9 +1115,7 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) IWL_DEBUG_RPM(mvm, "MVM entering D0i3\n"); - /* make sure we have no running tx while configuring the qos */ set_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status); - synchronize_net(); /* * iwl_mvm_ref_sync takes a reference before checking the flag. @@ -1130,6 +1143,9 @@ int iwl_mvm_enter_d0i3(struct iwl_op_mode *op_mode) mvm->d0i3_offloading = false; } + /* make sure we have no running tx while configuring the seqno */ + synchronize_net(); + iwl_mvm_set_wowlan_data(mvm, &wowlan_config_cmd, &d0i3_iter_data); ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, flags, sizeof(wowlan_config_cmd), @@ -1156,15 +1172,25 @@ static void iwl_mvm_exit_d0i3_iterator(void *_data, u8 *mac, iwl_mvm_update_d0i3_power_mode(mvm, vif, false, flags); } -static void iwl_mvm_d0i3_disconnect_iter(void *data, u8 *mac, - struct ieee80211_vif *vif) +struct iwl_mvm_wakeup_reason_iter_data { + struct iwl_mvm *mvm; + u32 wakeup_reasons; +}; + +static void iwl_mvm_d0i3_wakeup_reason_iter(void *_data, u8 *mac, + struct ieee80211_vif *vif) { - struct iwl_mvm *mvm = data; + struct iwl_mvm_wakeup_reason_iter_data *data = _data; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); if (vif->type == NL80211_IFTYPE_STATION && vif->bss_conf.assoc && - mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) - iwl_mvm_connection_loss(mvm, vif, "D0i3"); + data->mvm->d0i3_ap_sta_id == mvmvif->ap_sta_id) { + if (data->wakeup_reasons & + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH) + iwl_mvm_connection_loss(data->mvm, vif, "D0i3"); + else + ieee80211_beacon_loss(vif); + } } void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq) @@ -1232,7 +1258,7 @@ static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) }; struct iwl_wowlan_status *status; int ret; - u32 disconnection_reasons, wakeup_reasons; + u32 handled_reasons, wakeup_reasons; __le16 *qos_seq = NULL; mutex_lock(&mvm->mutex); @@ -1249,13 +1275,18 @@ static void iwl_mvm_d0i3_exit_work(struct work_struct *wk) IWL_DEBUG_RPM(mvm, "wakeup reasons: 0x%x\n", wakeup_reasons); - disconnection_reasons = - IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | - IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; - if (wakeup_reasons & disconnection_reasons) + handled_reasons = IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON | + IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH; + if (wakeup_reasons & handled_reasons) { + struct iwl_mvm_wakeup_reason_iter_data data = { + .mvm = mvm, + .wakeup_reasons = wakeup_reasons, + }; + ieee80211_iterate_active_interfaces( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_d0i3_disconnect_iter, mvm); + iwl_mvm_d0i3_wakeup_reason_iter, &data); + } out: iwl_mvm_d0i3_enable_tx(mvm, qos_seq); @@ -1308,17 +1339,6 @@ int iwl_mvm_exit_d0i3(struct iwl_op_mode *op_mode) return _iwl_mvm_exit_d0i3(mvm); } -static void iwl_mvm_napi_add(struct iwl_op_mode *op_mode, - struct napi_struct *napi, - struct net_device *napi_dev, - int (*poll)(struct napi_struct *, int), - int weight) -{ - struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - - ieee80211_napi_add(mvm->hw, napi, napi_dev, poll, weight); -} - static const struct iwl_op_mode_ops iwl_mvm_ops = { .start = iwl_op_mode_mvm_start, .stop = iwl_op_mode_mvm_stop, @@ -1332,5 +1352,4 @@ static const struct iwl_op_mode_ops iwl_mvm_ops = { .nic_config = iwl_mvm_nic_config, .enter_d0i3 = iwl_mvm_enter_d0i3, .exit_d0i3 = iwl_mvm_exit_d0i3, - .napi_add = iwl_mvm_napi_add, }; diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index d2c6ba9d3..464587788 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -112,11 +112,12 @@ int iwl_mvm_beacon_filter_send_cmd(struct iwl_mvm *mvm, static void iwl_mvm_beacon_filter_set_cqm_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_beacon_filter_cmd *cmd) + struct iwl_beacon_filter_cmd *cmd, + bool d0i3) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - if (vif->bss_conf.cqm_rssi_thold) { + if (vif->bss_conf.cqm_rssi_thold && !d0i3) { cmd->bf_energy_delta = cpu_to_le32(vif->bss_conf.cqm_rssi_hyst); /* fw uses an absolute value for this */ @@ -287,27 +288,6 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, return true; } -static int iwl_mvm_power_get_skip_over_dtim(int dtimper, int bi) -{ - int numerator; - int dtim_interval = dtimper * bi; - - if (WARN_ON(!dtim_interval)) - return 0; - - if (dtimper == 1) { - if (bi > 100) - numerator = 408; - else - numerator = 510; - } else if (dtimper < 10) { - numerator = 612; - } else { - return 0; - } - return max(1, (numerator / dtim_interval)); -} - static bool iwl_mvm_power_is_radar(struct ieee80211_vif *vif) { struct ieee80211_chanctx_conf *chanctx_conf; @@ -357,8 +337,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_SAVE_ENA_MSK); - if (!vif->bss_conf.ps || iwl_mvm_vif_low_latency(mvmvif) || - !mvmvif->pm_enabled) + if (!vif->bss_conf.ps || !mvmvif->pm_enabled || + (iwl_mvm_vif_low_latency(mvmvif) && vif->p2p)) return; cmd->flags |= cpu_to_le16(POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK); @@ -377,11 +357,8 @@ static void iwl_mvm_power_build_cmd(struct iwl_mvm *mvm, if (!radar_detect && (dtimper < 10) && (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_LP || mvm->cur_ucode == IWL_UCODE_WOWLAN)) { - cmd->skip_dtim_periods = - iwl_mvm_power_get_skip_over_dtim(dtimper, bi); - if (cmd->skip_dtim_periods) - cmd->flags |= - cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + cmd->flags |= cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK); + cmd->skip_dtim_periods = 3; } if (mvm->cur_ucode != IWL_UCODE_WOWLAN) { @@ -509,9 +486,8 @@ static void iwl_mvm_power_uapsd_misbehav_ap_iterator(void *_data, u8 *mac, ETH_ALEN); } -int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_uapsd_misbehaving_ap_notif *notif = (void *)pkt->data; @@ -520,8 +496,6 @@ int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_power_uapsd_misbehav_ap_iterator, &ap_sta_id); - - return 0; } struct iwl_power_vifs { @@ -810,7 +784,7 @@ static int _iwl_mvm_enable_beacon_filter(struct iwl_mvm *mvm, vif->type != NL80211_IFTYPE_STATION || vif->p2p) return 0; - iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd); + iwl_mvm_beacon_filter_set_cqm_params(mvm, vif, cmd, d0i3); if (!d0i3) iwl_mvm_beacon_filter_debugfs_parameters(vif, cmd); ret = iwl_mvm_beacon_filter_send_cmd(mvm, cmd, cmd_flags); diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index daff1d0a8..5ae9c8aa8 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -177,7 +177,8 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, mvmsta = iwl_mvm_sta_from_mac80211(sta); mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); - if (iwl_mvm_vif_low_latency(mvmvif) && mvmsta->vif->p2p) + if (IWL_MVM_RS_DISABLE_P2P_MIMO && + iwl_mvm_vif_low_latency(mvmvif) && mvmsta->vif->p2p) return false; if (mvm->nvm_data->sku_cap_mimo_disabled) @@ -2403,7 +2404,7 @@ struct rs_init_rate_info { u8 rate_idx; }; -static const struct rs_init_rate_info rs_init_rates_24ghz[] = { +static const struct rs_init_rate_info rs_optimal_rates_24ghz_legacy[] = { { -60, IWL_RATE_54M_INDEX }, { -64, IWL_RATE_48M_INDEX }, { -68, IWL_RATE_36M_INDEX }, @@ -2416,7 +2417,7 @@ static const struct rs_init_rate_info rs_init_rates_24ghz[] = { { S8_MIN, IWL_RATE_1M_INDEX }, }; -static const struct rs_init_rate_info rs_init_rates_5ghz[] = { +static const struct rs_init_rate_info rs_optimal_rates_5ghz_legacy[] = { { -60, IWL_RATE_54M_INDEX }, { -64, IWL_RATE_48M_INDEX }, { -72, IWL_RATE_36M_INDEX }, @@ -2427,6 +2428,124 @@ static const struct rs_init_rate_info rs_init_rates_5ghz[] = { { S8_MIN, IWL_RATE_6M_INDEX }, }; +static const struct rs_init_rate_info rs_optimal_rates_ht[] = { + { -60, IWL_RATE_MCS_7_INDEX }, + { -64, IWL_RATE_MCS_6_INDEX }, + { -68, IWL_RATE_MCS_5_INDEX }, + { -72, IWL_RATE_MCS_4_INDEX }, + { -80, IWL_RATE_MCS_3_INDEX }, + { -84, IWL_RATE_MCS_2_INDEX }, + { -85, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX}, +}; + +static const struct rs_init_rate_info rs_optimal_rates_vht_20mhz[] = { + { -60, IWL_RATE_MCS_8_INDEX }, + { -64, IWL_RATE_MCS_7_INDEX }, + { -68, IWL_RATE_MCS_6_INDEX }, + { -72, IWL_RATE_MCS_5_INDEX }, + { -80, IWL_RATE_MCS_4_INDEX }, + { -84, IWL_RATE_MCS_3_INDEX }, + { -85, IWL_RATE_MCS_2_INDEX }, + { -87, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX}, +}; + +static const struct rs_init_rate_info rs_optimal_rates_vht_40_80mhz[] = { + { -60, IWL_RATE_MCS_9_INDEX }, + { -64, IWL_RATE_MCS_8_INDEX }, + { -68, IWL_RATE_MCS_7_INDEX }, + { -72, IWL_RATE_MCS_6_INDEX }, + { -80, IWL_RATE_MCS_5_INDEX }, + { -84, IWL_RATE_MCS_4_INDEX }, + { -85, IWL_RATE_MCS_3_INDEX }, + { -87, IWL_RATE_MCS_2_INDEX }, + { -88, IWL_RATE_MCS_1_INDEX }, + { S8_MIN, IWL_RATE_MCS_0_INDEX }, +}; + +/* Init the optimal rate based on STA caps + * This combined with rssi is used to report the last tx rate + * to userspace when we haven't transmitted enough frames. + */ +static void rs_init_optimal_rate(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + struct iwl_lq_sta *lq_sta) +{ + struct rs_rate *rate = &lq_sta->optimal_rate; + + if (lq_sta->max_mimo2_rate_idx != IWL_RATE_INVALID) + rate->type = lq_sta->is_vht ? LQ_VHT_MIMO2 : LQ_HT_MIMO2; + else if (lq_sta->max_siso_rate_idx != IWL_RATE_INVALID) + rate->type = lq_sta->is_vht ? LQ_VHT_SISO : LQ_HT_SISO; + else if (lq_sta->band == IEEE80211_BAND_5GHZ) + rate->type = LQ_LEGACY_A; + else + rate->type = LQ_LEGACY_G; + + rate->bw = rs_bw_from_sta_bw(sta); + rate->sgi = rs_sgi_allow(mvm, sta, rate, NULL); + + /* ANT/LDPC/STBC aren't relevant for the rate reported to userspace */ + + if (is_mimo(rate)) { + lq_sta->optimal_rate_mask = lq_sta->active_mimo2_rate; + } else if (is_siso(rate)) { + lq_sta->optimal_rate_mask = lq_sta->active_siso_rate; + } else { + lq_sta->optimal_rate_mask = lq_sta->active_legacy_rate; + + if (lq_sta->band == IEEE80211_BAND_5GHZ) { + lq_sta->optimal_rates = rs_optimal_rates_5ghz_legacy; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_5ghz_legacy); + } else { + lq_sta->optimal_rates = rs_optimal_rates_24ghz_legacy; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_24ghz_legacy); + } + } + + if (is_vht(rate)) { + if (rate->bw == RATE_MCS_CHAN_WIDTH_20) { + lq_sta->optimal_rates = rs_optimal_rates_vht_20mhz; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_vht_20mhz); + } else { + lq_sta->optimal_rates = rs_optimal_rates_vht_40_80mhz; + lq_sta->optimal_nentries = + ARRAY_SIZE(rs_optimal_rates_vht_40_80mhz); + } + } else if (is_ht(rate)) { + lq_sta->optimal_rates = rs_optimal_rates_ht; + lq_sta->optimal_nentries = ARRAY_SIZE(rs_optimal_rates_ht); + } +} + +/* Compute the optimal rate index based on RSSI */ +static struct rs_rate *rs_get_optimal_rate(struct iwl_mvm *mvm, + struct iwl_lq_sta *lq_sta) +{ + struct rs_rate *rate = &lq_sta->optimal_rate; + int i; + + rate->index = find_first_bit(&lq_sta->optimal_rate_mask, + BITS_PER_LONG); + + for (i = 0; i < lq_sta->optimal_nentries; i++) { + int rate_idx = lq_sta->optimal_rates[i].rate_idx; + + if ((lq_sta->pers.last_rssi >= lq_sta->optimal_rates[i].rssi) && + (BIT(rate_idx) & lq_sta->optimal_rate_mask)) { + rate->index = rate_idx; + break; + } + } + + rs_dump_rate(mvm, rate, "OPTIMAL RATE"); + return rate; +} + /* Choose an initial legacy rate and antenna to use based on the RSSI * of last Rx */ @@ -2468,12 +2587,12 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, if (band == IEEE80211_BAND_5GHZ) { rate->type = LQ_LEGACY_A; - initial_rates = rs_init_rates_5ghz; - nentries = ARRAY_SIZE(rs_init_rates_5ghz); + initial_rates = rs_optimal_rates_5ghz_legacy; + nentries = ARRAY_SIZE(rs_optimal_rates_5ghz_legacy); } else { rate->type = LQ_LEGACY_G; - initial_rates = rs_init_rates_24ghz; - nentries = ARRAY_SIZE(rs_init_rates_24ghz); + initial_rates = rs_optimal_rates_24ghz_legacy; + nentries = ARRAY_SIZE(rs_optimal_rates_24ghz_legacy); } if (IWL_MVM_RS_RSSI_BASED_INIT_RATE) { @@ -2496,10 +2615,21 @@ void rs_update_last_rssi(struct iwl_mvm *mvm, struct iwl_lq_sta *lq_sta, struct ieee80211_rx_status *rx_status) { + int i; + lq_sta->pers.chains = rx_status->chains; lq_sta->pers.chain_signal[0] = rx_status->chain_signal[0]; lq_sta->pers.chain_signal[1] = rx_status->chain_signal[1]; lq_sta->pers.chain_signal[2] = rx_status->chain_signal[2]; + lq_sta->pers.last_rssi = S8_MIN; + + for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) { + if (!(lq_sta->pers.chains & BIT(i))) + continue; + + if (lq_sta->pers.chain_signal[i] > lq_sta->pers.last_rssi) + lq_sta->pers.last_rssi = lq_sta->pers.chain_signal[i]; + } } /** @@ -2538,6 +2668,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm, rate = &tbl->rate; rs_get_initial_rate(mvm, lq_sta, band, rate); + rs_init_optimal_rate(mvm, sta, lq_sta); WARN_ON_ONCE(rate->ant != ANT_A && rate->ant != ANT_B); if (rate->ant == ANT_A) @@ -2560,6 +2691,8 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_lq_sta *lq_sta = mvm_sta; + struct rs_rate *optimal_rate; + u32 last_ucode_rate; if (sta && !iwl_mvm_sta_from_mac80211(sta)->vif) { /* if vif isn't initialized mvm doesn't know about @@ -2583,8 +2716,18 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags, info->band, &info->control.rates[0]); - info->control.rates[0].count = 1; + + /* Report the optimal rate based on rssi and STA caps if we haven't + * converged yet (too little traffic) or exploring other modulations + */ + if (lq_sta->rs_state != RS_STATE_STAY_IN_COLUMN) { + optimal_rate = rs_get_optimal_rate(mvm, lq_sta); + last_ucode_rate = ucode_rate_from_rs_rate(mvm, + optimal_rate); + iwl_mvm_hwrate_to_tx_rate(last_ucode_rate, info->band, + &txrc->reported_rate); + } } static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, @@ -2605,6 +2748,7 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, #endif lq_sta->pers.chains = 0; memset(lq_sta->pers.chain_signal, 0, sizeof(lq_sta->pers.chain_signal)); + lq_sta->pers.last_rssi = S8_MIN; return &sta_priv->lq_sta; } diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index 2a3da3143..81314ad9e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2015 Intel Mobile Communications GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -316,6 +317,14 @@ struct iwl_lq_sta { u8 max_siso_rate_idx; u8 max_mimo2_rate_idx; + /* Optimal rate based on RSSI and STA caps. + * Used only to reflect link speed to userspace. + */ + struct rs_rate optimal_rate; + unsigned long optimal_rate_mask; + const struct rs_init_rate_info *optimal_rates; + int optimal_nentries; + u8 missed_rate_counter; struct iwl_lq_cmd lq; @@ -341,6 +350,7 @@ struct iwl_lq_sta { #endif u8 chains; s8 chain_signal[IEEE80211_MAX_CHAINS]; + s8 last_rssi; struct rs_rate_stats tx_stats[RS_COLUMN_COUNT][IWL_RATE_COUNT]; struct iwl_mvm *drv; } pers; diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index 8f1d93b7a..c37c10a42 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -61,6 +61,7 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ +#include <linux/skbuff.h> #include "iwl-trans.h" #include "mvm.h" #include "fw-api.h" @@ -71,8 +72,7 @@ * Copies the phy information in mvm->last_phy_info, it will be used when the * actual data will come from the fw in the next packet. */ -int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); @@ -86,8 +86,6 @@ int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, spin_unlock(&mvm->drv_stats_lock); } #endif - - return 0; } /* @@ -96,6 +94,7 @@ int iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, * Adds the rxb to a new skb and give it to mac80211 */ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, + struct napi_struct *napi, struct sk_buff *skb, struct ieee80211_hdr *hdr, u16 len, u32 ampdu_status, u8 crypt_len, @@ -129,7 +128,7 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, fraglen, rxb->truesize); } - ieee80211_rx(mvm->hw, skb); + ieee80211_rx_napi(mvm->hw, skb, napi); } /* @@ -237,13 +236,26 @@ static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, return 0; } +static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, + struct sk_buff *skb, + u32 status) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + + if (mvmvif->features & NETIF_F_RXCSUM && + status & RX_MPDU_RES_STATUS_CSUM_DONE && + status & RX_MPDU_RES_STATUS_CSUM_OK) + skb->ip_summed = CHECKSUM_UNNECESSARY; +} + /* * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler * * Handles the actual data of the Rx packet from the fw */ -int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb) { struct ieee80211_hdr *hdr; struct ieee80211_rx_status *rx_status; @@ -271,7 +283,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, skb = alloc_skb(128, GFP_ATOMIC); if (!skb) { IWL_ERR(mvm, "alloc_skb failed\n"); - return 0; + return; } rx_status = IEEE80211_SKB_RXCB(skb); @@ -284,14 +296,14 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n", rx_pkt_status); kfree_skb(skb); - return 0; + return; } if ((unlikely(phy_info->cfg_phy_cnt > 20))) { IWL_DEBUG_DROP(mvm, "dsp size out of range [0,20]: %d\n", phy_info->cfg_phy_cnt); kfree_skb(skb); - return 0; + return; } /* @@ -366,6 +378,9 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, } } + if (sta && ieee80211_is_data(hdr->frame_control)) + iwl_mvm_rx_csum(sta, skb, rx_pkt_status); + rcu_read_unlock(); /* set the preamble flag if appropriate */ @@ -429,9 +444,8 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, iwl_mvm_update_frame_stats(mvm, rate_n_flags, rx_status->flag & RX_FLAG_AMPDU_DETAILS); #endif - iwl_mvm_pass_packet_to_mac80211(mvm, skb, hdr, len, ampdu_status, + iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, hdr, len, ampdu_status, crypt_len, rxb); - return 0; } static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm, @@ -623,10 +637,7 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, iwl_rx_packet_payload_len(pkt)); } -int iwl_mvm_rx_statistics(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb)); - return 0; } diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 5514ad6d4..56559d4d3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -72,10 +72,60 @@ #define IWL_DENSE_EBS_SCAN_RATIO 5 #define IWL_SPARSE_EBS_SCAN_RATIO 1 -struct iwl_mvm_scan_params { - u32 max_out_time; +enum iwl_mvm_scan_type { + IWL_SCAN_TYPE_UNASSOC, + IWL_SCAN_TYPE_WILD, + IWL_SCAN_TYPE_MILD, + IWL_SCAN_TYPE_FRAGMENTED, +}; + +enum iwl_mvm_traffic_load { + IWL_MVM_TRAFFIC_LOW, + IWL_MVM_TRAFFIC_MEDIUM, + IWL_MVM_TRAFFIC_HIGH, +}; + +struct iwl_mvm_scan_timing_params { + u32 dwell_active; + u32 dwell_passive; + u32 dwell_fragmented; u32 suspend_time; - bool passive_fragmented; + u32 max_out_time; +}; + +static struct iwl_mvm_scan_timing_params scan_timing[] = { + [IWL_SCAN_TYPE_UNASSOC] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 0, + .max_out_time = 0, + }, + [IWL_SCAN_TYPE_WILD] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 30, + .max_out_time = 120, + }, + [IWL_SCAN_TYPE_MILD] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 120, + .max_out_time = 120, + }, + [IWL_SCAN_TYPE_FRAGMENTED] = { + .dwell_active = 10, + .dwell_passive = 110, + .dwell_fragmented = 44, + .suspend_time = 95, + .max_out_time = 44, + }, +}; + +struct iwl_mvm_scan_params { + enum iwl_mvm_scan_type type; u32 n_channels; u16 delay; int n_ssids; @@ -90,15 +140,7 @@ struct iwl_mvm_scan_params { int n_match_sets; struct iwl_scan_probe_req preq; struct cfg80211_match_set *match_sets; - struct _dwell { - u16 passive; - u16 active; - u16 fragmented; - } dwell[IEEE80211_NUM_BANDS]; - struct { - u8 iterations; - u8 full_scan_mul; /* not used for UMAC */ - } schedule[2]; + u8 iterations[2]; }; static u8 iwl_mvm_scan_rx_ant(struct iwl_mvm *mvm) @@ -147,34 +189,6 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, return cpu_to_le32(IWL_RATE_6M_PLCP | tx_ant); } -/* - * If req->n_ssids > 0, it means we should do an active scan. - * In case of active scan w/o directed scan, we receive a zero-length SSID - * just to notify that this scan is active and not passive. - * In order to notify the FW of the number of SSIDs we wish to scan (including - * the zero-length one), we need to set the corresponding bits in chan->type, - * one for each SSID, and set the active bit (first). If the first SSID is - * already included in the probe template, so we need to set only - * req->n_ssids - 1 bits in addition to the first bit. - */ -static u16 iwl_mvm_get_active_dwell(struct iwl_mvm *mvm, - enum ieee80211_band band, int n_ssids) -{ - if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BASIC_DWELL)) - return 10; - if (band == IEEE80211_BAND_2GHZ) - return 20 + 3 * (n_ssids + 1); - return 10 + 2 * (n_ssids + 1); -} - -static u16 iwl_mvm_get_passive_dwell(struct iwl_mvm *mvm, - enum ieee80211_band band) -{ - if (fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_BASIC_DWELL)) - return 110; - return band == IEEE80211_BAND_2GHZ ? 100 + 20 : 100 + 10; -} - static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, struct ieee80211_vif *vif) { @@ -186,90 +200,39 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, *global_cnt += 1; } -static void iwl_mvm_scan_calc_dwell(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - struct iwl_mvm_scan_params *params) +static enum iwl_mvm_traffic_load iwl_mvm_get_traffic_load(struct iwl_mvm *mvm) +{ + return IWL_MVM_TRAFFIC_LOW; +} + +static enum +iwl_mvm_scan_type iwl_mvm_get_scan_type(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct iwl_mvm_scan_params *params) { int global_cnt = 0; - enum ieee80211_band band; - u8 frag_passive_dwell = 0; + enum iwl_mvm_traffic_load load; + bool low_latency; ieee80211_iterate_active_interfaces_atomic(mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_scan_condition_iterator, &global_cnt); if (!global_cnt) - goto not_bound; - - params->suspend_time = 30; - params->max_out_time = 120; - - if (iwl_mvm_low_latency(mvm)) { - if (fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) { - - params->suspend_time = 105; - /* - * If there is more than one active interface make - * passive scan more fragmented. - */ - frag_passive_dwell = 40; - params->max_out_time = frag_passive_dwell; - } else { - params->suspend_time = 120; - params->max_out_time = 120; - } - } + return IWL_SCAN_TYPE_UNASSOC; - if (frag_passive_dwell && - fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) { - /* - * P2P device scan should not be fragmented to avoid negative - * impact on P2P device discovery. Configure max_out_time to be - * equal to dwell time on passive channel. Take a longest - * possible value, one that corresponds to 2GHz band - */ - if (vif->type == NL80211_IFTYPE_P2P_DEVICE) { - u32 passive_dwell = - iwl_mvm_get_passive_dwell(mvm, - IEEE80211_BAND_2GHZ); - params->max_out_time = passive_dwell; - } else { - params->passive_fragmented = true; - } - } - - if ((params->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && - (params->max_out_time > 200)) - params->max_out_time = 200; - -not_bound: + load = iwl_mvm_get_traffic_load(mvm); + low_latency = iwl_mvm_low_latency(mvm); - for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) { - if (params->passive_fragmented) - params->dwell[band].fragmented = frag_passive_dwell; + if ((load == IWL_MVM_TRAFFIC_HIGH || low_latency) && + vif->type != NL80211_IFTYPE_P2P_DEVICE && + fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) + return IWL_SCAN_TYPE_FRAGMENTED; - params->dwell[band].passive = iwl_mvm_get_passive_dwell(mvm, - band); - params->dwell[band].active = - iwl_mvm_get_active_dwell(mvm, band, params->n_ssids); - } + if (load >= IWL_MVM_TRAFFIC_MEDIUM || low_latency) + return IWL_SCAN_TYPE_MILD; - IWL_DEBUG_SCAN(mvm, - "scan parameters: max_out_time %d, suspend_time %d, passive_fragmented %d\n", - params->max_out_time, params->suspend_time, - params->passive_fragmented); - IWL_DEBUG_SCAN(mvm, - "dwell[IEEE80211_BAND_2GHZ]: passive %d, active %d, fragmented %d\n", - params->dwell[IEEE80211_BAND_2GHZ].passive, - params->dwell[IEEE80211_BAND_2GHZ].active, - params->dwell[IEEE80211_BAND_2GHZ].fragmented); - IWL_DEBUG_SCAN(mvm, - "dwell[IEEE80211_BAND_5GHZ]: passive %d, active %d, fragmented %d\n", - params->dwell[IEEE80211_BAND_5GHZ].passive, - params->dwell[IEEE80211_BAND_5GHZ].active, - params->dwell[IEEE80211_BAND_5GHZ].fragmented); + return IWL_SCAN_TYPE_WILD; } static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm) @@ -327,9 +290,8 @@ static u8 *iwl_mvm_dump_channel_list(struct iwl_scan_results_notif *res, return buf; } -int iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_lmac_scan_complete_notif *notif = (void *)pkt->data; @@ -341,17 +303,13 @@ int iwl_mvm_rx_lmac_scan_iter_complete_notif(struct iwl_mvm *mvm, iwl_mvm_dump_channel_list(notif->results, notif->scanned_channels, buf, sizeof(buf))); - return 0; } -int iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_scan_match_found(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n"); ieee80211_sched_scan_results(mvm->hw); - - return 0; } static const char *iwl_mvm_ebs_status_str(enum iwl_scan_ebs_status status) @@ -368,9 +326,8 @@ static const char *iwl_mvm_ebs_status_str(enum iwl_scan_ebs_status status) } } -int iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_periodic_scan_complete *scan_notif = (void *)pkt->data; @@ -395,6 +352,11 @@ int iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", aborted ? "aborted" : "completed", iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time after last iteration %d\n", + scan_notif->last_schedule_line, + scan_notif->last_schedule_iteration, + __le32_to_cpu(scan_notif->time_after_last_iter)); mvm->scan_status &= ~IWL_MVM_SCAN_STOPPING_SCHED; } else if (mvm->scan_status & IWL_MVM_SCAN_STOPPING_REGULAR) { @@ -406,9 +368,14 @@ int iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, } else if (mvm->scan_status & IWL_MVM_SCAN_SCHED) { WARN_ON_ONCE(mvm->scan_status & IWL_MVM_SCAN_REGULAR); - IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s (FW)\n", + IWL_DEBUG_SCAN(mvm, "Scheduled scan %s, EBS status %s\n", aborted ? "aborted" : "completed", iwl_mvm_ebs_status_str(scan_notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time after last iteration %d (FW)\n", + scan_notif->last_schedule_line, + scan_notif->last_schedule_iteration, + __le32_to_cpu(scan_notif->time_after_last_iter)); mvm->scan_status &= ~IWL_MVM_SCAN_SCHED; ieee80211_sched_scan_stopped(mvm->hw); @@ -426,8 +393,6 @@ int iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, mvm->last_ebs_successful = scan_notif->ebs_status == IWL_SCAN_EBS_SUCCESS || scan_notif->ebs_status == IWL_SCAN_EBS_INACTIVE; - - return 0; } static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) @@ -751,13 +716,11 @@ static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm, struct iwl_scan_req_lmac *cmd, struct iwl_mvm_scan_params *params) { - cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active; - cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive; - if (params->passive_fragmented) - cmd->fragmented_dwell = - params->dwell[IEEE80211_BAND_2GHZ].fragmented; - cmd->max_out_time = cpu_to_le32(params->max_out_time); - cmd->suspend_time = cpu_to_le32(params->suspend_time); + cmd->active_dwell = scan_timing[params->type].dwell_active; + cmd->passive_dwell = scan_timing[params->type].dwell_passive; + cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented; + cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time); + cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time); cmd->scan_prio = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); } @@ -794,7 +757,7 @@ static inline bool iwl_mvm_scan_use_ebs(struct iwl_mvm *mvm, static int iwl_mvm_scan_total_iterations(struct iwl_mvm_scan_params *params) { - return params->schedule[0].iterations + params->schedule[1].iterations; + return params->iterations[0] + params->iterations[1]; } static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, @@ -808,7 +771,7 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm, if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; - if (params->passive_fragmented) + if (params->type == IWL_SCAN_TYPE_FRAGMENTED) flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; if (iwl_mvm_rrm_scan_needed(mvm)) @@ -861,11 +824,11 @@ static int iwl_mvm_scan_lmac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, ssid_bitmap <<= 1; cmd->schedule[0].delay = cpu_to_le16(params->interval); - cmd->schedule[0].iterations = params->schedule[0].iterations; - cmd->schedule[0].full_scan_mul = params->schedule[0].full_scan_mul; + cmd->schedule[0].iterations = params->iterations[0]; + cmd->schedule[0].full_scan_mul = 1; cmd->schedule[1].delay = cpu_to_le16(params->interval); - cmd->schedule[1].iterations = params->schedule[1].iterations; - cmd->schedule[1].full_scan_mul = params->schedule[1].iterations; + cmd->schedule[1].iterations = params->iterations[1]; + cmd->schedule[1].full_scan_mul = 1; if (iwl_mvm_scan_use_ebs(mvm, vif, n_iterations)) { cmd->channel_opt[0].flags = @@ -937,9 +900,9 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) int num_channels = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels + mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; - int ret, i, j = 0, cmd_size, data_size; + int ret, i, j = 0, cmd_size; struct iwl_host_cmd cmd = { - .id = SCAN_CFG_CMD, + .id = iwl_cmd_id(SCAN_CFG_CMD, IWL_ALWAYS_LONG_GROUP, 0), }; if (WARN_ON(num_channels > mvm->fw->ucode_capa.n_scan_channels)) @@ -951,8 +914,6 @@ int iwl_mvm_config_scan(struct iwl_mvm *mvm) if (!scan_config) return -ENOMEM; - data_size = cmd_size - sizeof(struct iwl_mvm_umac_cmd_hdr); - scan_config->hdr.size = cpu_to_le16(data_size); scan_config->flags = cpu_to_le32(SCAN_CONFIG_FLAG_ACTIVATE | SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS | SCAN_CONFIG_FLAG_SET_TX_CHAINS | @@ -1013,13 +974,11 @@ static void iwl_mvm_scan_umac_dwell(struct iwl_mvm *mvm, struct iwl_scan_req_umac *cmd, struct iwl_mvm_scan_params *params) { - cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active; - cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive; - if (params->passive_fragmented) - cmd->fragmented_dwell = - params->dwell[IEEE80211_BAND_2GHZ].fragmented; - cmd->max_out_time = cpu_to_le32(params->max_out_time); - cmd->suspend_time = cpu_to_le32(params->suspend_time); + cmd->active_dwell = scan_timing[params->type].dwell_active; + cmd->passive_dwell = scan_timing[params->type].dwell_passive; + cmd->fragmented_dwell = scan_timing[params->type].dwell_fragmented; + cmd->max_out_time = cpu_to_le32(scan_timing[params->type].max_out_time); + cmd->suspend_time = cpu_to_le32(scan_timing[params->type].suspend_time); cmd->scan_priority = iwl_mvm_scan_priority(mvm, IWL_SCAN_PRIORITY_EXT_6); @@ -1059,7 +1018,7 @@ static u32 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm, if (params->n_ssids == 1 && params->ssids[0].ssid_len != 0) flags |= IWL_UMAC_SCAN_GEN_FLAGS_PRE_CONNECT; - if (params->passive_fragmented) + if (params->type == IWL_SCAN_TYPE_FRAGMENTED) flags |= IWL_UMAC_SCAN_GEN_FLAGS_FRAGMENTED; if (iwl_mvm_rrm_scan_needed(mvm)) @@ -1099,8 +1058,6 @@ static int iwl_mvm_scan_umac(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return uid; memset(cmd, 0, ksize(cmd)); - cmd->hdr.size = cpu_to_le16(iwl_mvm_scan_size(mvm) - - sizeof(struct iwl_mvm_umac_cmd_hdr)); iwl_mvm_scan_umac_dwell(mvm, cmd, params); @@ -1230,17 +1187,15 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, params.n_match_sets = 0; params.match_sets = NULL; - params.schedule[0].iterations = 1; - params.schedule[0].full_scan_mul = 0; - params.schedule[1].iterations = 0; - params.schedule[1].full_scan_mul = 0; + params.iterations[0] = 1; + params.iterations[1] = 0; - iwl_mvm_scan_calc_dwell(mvm, vif, ¶ms); + params.type = iwl_mvm_get_scan_type(mvm, vif, ¶ms); iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - hcmd.id = SCAN_REQ_UMAC; + hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, IWL_MVM_SCAN_REGULAR); } else { @@ -1313,10 +1268,10 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, params.n_match_sets = req->n_match_sets; params.match_sets = req->match_sets; - params.schedule[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS; - params.schedule[0].full_scan_mul = 1; - params.schedule[1].iterations = 0xff; - params.schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER; + params.iterations[0] = 0; + params.iterations[1] = 0xff; + + params.type = iwl_mvm_get_scan_type(mvm, vif, ¶ms); if (req->interval > U16_MAX) { IWL_DEBUG_SCAN(mvm, @@ -1339,8 +1294,6 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, params.delay = req->delay; } - iwl_mvm_scan_calc_dwell(mvm, vif, ¶ms); - ret = iwl_mvm_config_sched_scan_profiles(mvm, req); if (ret) return ret; @@ -1348,7 +1301,7 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, iwl_mvm_build_scan_probe(mvm, vif, ies, ¶ms); if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) { - hcmd.id = SCAN_REQ_UMAC; + hcmd.id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0); ret = iwl_mvm_scan_umac(mvm, vif, ¶ms, IWL_MVM_SCAN_SCHED); } else { hcmd.id = SCAN_OFFLOAD_REQUEST_CMD; @@ -1374,9 +1327,8 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, return ret; } -int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_umac_scan_complete *notif = (void *)pkt->data; @@ -1384,7 +1336,7 @@ int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, bool aborted = (notif->status == IWL_SCAN_OFFLOAD_ABORTED); if (WARN_ON(!(mvm->scan_uid_status[uid] & mvm->scan_status))) - return 0; + return; /* if the scan is already stopping, we don't need to notify mac80211 */ if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) { @@ -1395,26 +1347,26 @@ int iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, } mvm->scan_status &= ~mvm->scan_uid_status[uid]; - IWL_DEBUG_SCAN(mvm, "Scan completed, uid %u type %u, status %s, EBS status %s\n", uid, mvm->scan_uid_status[uid], notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? "completed" : "aborted", iwl_mvm_ebs_status_str(notif->ebs_status)); + IWL_DEBUG_SCAN(mvm, + "Last line %d, Last iteration %d, Time from last iteration %d\n", + notif->last_schedule, notif->last_iter, + __le32_to_cpu(notif->time_from_last_iter)); if (notif->ebs_status != IWL_SCAN_EBS_SUCCESS && notif->ebs_status != IWL_SCAN_EBS_INACTIVE) mvm->last_ebs_successful = false; mvm->scan_uid_status[uid] = 0; - - return 0; } -int iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_umac_scan_iter_complete_notif *notif = (void *)pkt->data; @@ -1426,15 +1378,11 @@ int iwl_mvm_rx_umac_scan_iter_complete_notif(struct iwl_mvm *mvm, iwl_mvm_dump_channel_list(notif->results, notif->scanned_channels, buf, sizeof(buf))); - return 0; } static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) { - struct iwl_umac_scan_abort cmd = { - .hdr.size = cpu_to_le16(sizeof(struct iwl_umac_scan_abort) - - sizeof(struct iwl_mvm_umac_cmd_hdr)), - }; + struct iwl_umac_scan_abort cmd = {}; int uid, ret; lockdep_assert_held(&mvm->mutex); @@ -1451,7 +1399,10 @@ static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) IWL_DEBUG_SCAN(mvm, "Sending scan abort, uid %u\n", uid); - ret = iwl_mvm_send_cmd_pdu(mvm, SCAN_ABORT_UMAC, 0, sizeof(cmd), &cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, + iwl_cmd_id(SCAN_ABORT_UMAC, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(cmd), &cmd); if (!ret) mvm->scan_uid_status[uid] = type << IWL_MVM_SCAN_STOPPING_SHIFT; @@ -1461,7 +1412,7 @@ static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type) static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type) { struct iwl_notification_wait wait_scan_done; - static const u8 scan_done_notif[] = { SCAN_COMPLETE_UMAC, + static const u16 scan_done_notif[] = { SCAN_COMPLETE_UMAC, SCAN_OFFLOAD_COMPLETE, }; int ret; diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 26f076e82..df216cd0c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -1148,18 +1148,31 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, static int iwl_mvm_set_fw_key_idx(struct iwl_mvm *mvm) { - int i; + int i, max = -1, max_offs = -1; lockdep_assert_held(&mvm->mutex); - i = find_first_zero_bit(mvm->fw_key_table, STA_KEY_MAX_NUM); + /* Pick the unused key offset with the highest 'deleted' + * counter. Every time a key is deleted, all the counters + * are incremented and the one that was just deleted is + * reset to zero. Thus, the highest counter is the one + * that was deleted longest ago. Pick that one. + */ + for (i = 0; i < STA_KEY_MAX_NUM; i++) { + if (test_bit(i, mvm->fw_key_table)) + continue; + if (mvm->fw_key_deleted[i] > max) { + max = mvm->fw_key_deleted[i]; + max_offs = i; + } + } - if (i == STA_KEY_MAX_NUM) + if (max_offs < 0) return STA_KEY_IDX_INVALID; - __set_bit(i, mvm->fw_key_table); + __set_bit(max_offs, mvm->fw_key_table); - return i; + return max_offs; } static u8 iwl_mvm_get_key_sta_id(struct ieee80211_vif *vif, @@ -1277,8 +1290,6 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm, const u8 *pn; memcpy(igtk_cmd.IGTK, keyconf->key, keyconf->keylen); - ieee80211_aes_cmac_calculate_k1_k2(keyconf, - igtk_cmd.K1, igtk_cmd.K2); ieee80211_get_key_rx_seq(keyconf, 0, &seq); pn = seq.aes_cmac.pn; igtk_cmd.receive_seq_cnt = cpu_to_le64(((u64) pn[5] << 0) | @@ -1479,7 +1490,7 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, { bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE); u8 sta_id; - int ret; + int ret, i; lockdep_assert_held(&mvm->mutex); @@ -1498,6 +1509,13 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, return -ENOENT; } + /* track which key was deleted last */ + for (i = 0; i < STA_KEY_MAX_NUM; i++) { + if (mvm->fw_key_deleted[i] < U8_MAX) + mvm->fw_key_deleted[i]++; + } + mvm->fw_key_deleted[keyconf->hw_key_idx] = 0; + if (sta_id == IWL_MVM_STATION_COUNT) { IWL_DEBUG_WEP(mvm, "station non-existent, early return.\n"); return 0; @@ -1661,9 +1679,8 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret); } -int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_eosp_notification *notif = (void *)pkt->data; @@ -1671,15 +1688,13 @@ int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, u32 sta_id = le32_to_cpu(notif->sta_id); if (WARN_ON_ONCE(sta_id >= IWL_MVM_STATION_COUNT)) - return 0; + return; rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (!IS_ERR_OR_NULL(sta)) ieee80211_sta_eosp(sta); rcu_read_unlock(); - - return 0; } void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 748f5dc3f..eedb215eb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -378,9 +378,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 iv32, u16 *phase1key); -int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* AMPDU */ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, diff --git a/drivers/net/wireless/iwlwifi/mvm/tdls.c b/drivers/net/wireless/iwlwifi/mvm/tdls.c index a87b506c8..fe2fa5650 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tdls.c +++ b/drivers/net/wireless/iwlwifi/mvm/tdls.c @@ -169,18 +169,11 @@ static void iwl_mvm_tdls_config(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return; pkt = cmd.resp_pkt; - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - IWL_ERR(mvm, "Bad return from TDLS_CONFIG_COMMAND (0x%08X)\n", - pkt->hdr.flags); - goto exit; - } - if (WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) != sizeof(*resp))) - goto exit; + WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) != sizeof(*resp)); /* we don't really care about the response at this point */ -exit: iwl_free_resp(&cmd); } @@ -261,8 +254,7 @@ static void iwl_mvm_tdls_update_cs_state(struct iwl_mvm *mvm, mvm->tdls_cs.cur_sta_id = IWL_MVM_STATION_COUNT; } -int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_tdls_channel_switch_notif *notif = (void *)pkt->data; @@ -277,17 +269,17 @@ int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, /* can fail sometimes */ if (!le32_to_cpu(notif->status)) { iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_IDLE); - goto out; + return; } if (WARN_ON(sta_id >= IWL_MVM_STATION_COUNT)) - goto out; + return; sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], lockdep_is_held(&mvm->mutex)); /* the station may not be here, but if it is, it must be a TDLS peer */ if (IS_ERR_OR_NULL(sta) || WARN_ON(!sta->tdls)) - goto out; + return; mvmsta = iwl_mvm_sta_from_mac80211(sta); vif = mvmsta->vif; @@ -301,9 +293,6 @@ int iwl_mvm_rx_tdls_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, msecs_to_jiffies(delay)); iwl_mvm_tdls_update_cs_state(mvm, IWL_MVM_TDLS_SW_ACTIVE); - -out: - return 0; } static int @@ -471,13 +460,19 @@ iwl_mvm_tdls_config_channel_switch(struct iwl_mvm *mvm, cmd.frame.switch_time_offset = cpu_to_le32(ch_sw_tm_ie + 2); info = IEEE80211_SKB_CB(skb); - if (info->control.hw_key) - iwl_mvm_set_tx_cmd_crypto(mvm, info, &cmd.frame.tx_cmd, skb); + hdr = (void *)skb->data; + if (info->control.hw_key) { + if (info->control.hw_key->cipher != WLAN_CIPHER_SUITE_CCMP) { + rcu_read_unlock(); + ret = -EINVAL; + goto out; + } + iwl_mvm_set_tx_cmd_ccmp(info, &cmd.frame.tx_cmd); + } iwl_mvm_set_tx_cmd(mvm, skb, &cmd.frame.tx_cmd, info, mvmsta->sta_id); - hdr = (void *)skb->data; iwl_mvm_set_tx_cmd_rate(mvm, &cmd.frame.tx_cmd, info, sta, hdr->frame_control); rcu_read_unlock(); diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index e472729e5..dbd7d5445 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -410,9 +410,8 @@ static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm, /* * The Rx handler for time event notifications */ -int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_time_event_notif *notif = (void *)pkt->data; @@ -433,8 +432,6 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, } unlock: spin_unlock_bh(&mvm->time_event_lock); - - return 0; } static bool iwl_mvm_te_notif(struct iwl_notif_wait_data *notif_wait, @@ -503,7 +500,7 @@ static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm, struct iwl_mvm_time_event_data *te_data, struct iwl_time_event_cmd *te_cmd) { - static const u8 time_event_response[] = { TIME_EVENT_CMD }; + static const u16 time_event_response[] = { TIME_EVENT_CMD }; struct iwl_notification_wait wait_time_event; int ret; @@ -566,7 +563,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; - const u8 te_notif_response[] = { TIME_EVENT_NOTIFICATION }; + const u16 te_notif_response[] = { TIME_EVENT_NOTIFICATION }; struct iwl_notification_wait wait_te_notif; struct iwl_time_event_cmd time_cmd = {}; @@ -599,8 +596,7 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm, cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); time_cmd.id = cpu_to_le32(TE_BSS_STA_AGGRESSIVE_ASSOC); - time_cmd.apply_time = - cpu_to_le32(iwl_read_prph(mvm->trans, DEVICE_SYSTEM_TIME_REG)); + time_cmd.apply_time = cpu_to_le32(0); time_cmd.max_frags = TE_V2_FRAG_NONE; time_cmd.max_delay = cpu_to_le32(max_delay); diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.h b/drivers/net/wireless/iwlwifi/mvm/time-event.h index de4fbc6d5..cbdf8e52a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.h +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.h @@ -157,9 +157,8 @@ void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm, /* * iwl_mvm_rx_time_event_notif - handles %TIME_EVENT_NOTIFICATION. */ -int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +void iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /** * iwl_mvm_start_p2p_roc - start remain on channel for p2p device functionality diff --git a/drivers/net/wireless/iwlwifi/mvm/tof.c b/drivers/net/wireless/iwlwifi/mvm/tof.c new file mode 100644 index 000000000..380972f8f --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/tof.c @@ -0,0 +1,304 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#include "mvm.h" +#include "fw-api-tof.h" + +#define IWL_MVM_TOF_RANGE_REQ_MAX_ID 256 + +void iwl_mvm_tof_init(struct iwl_mvm *mvm) +{ + struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return; + + memset(tof_data, 0, sizeof(*tof_data)); + + tof_data->tof_cfg.sub_grp_cmd_id = cpu_to_le32(TOF_CONFIG_CMD); + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (IWL_MVM_TOF_IS_RESPONDER) { + tof_data->responder_cfg.sub_grp_cmd_id = + cpu_to_le32(TOF_RESPONDER_CONFIG_CMD); + tof_data->responder_cfg.sta_id = IWL_MVM_STATION_COUNT; + } +#endif + + tof_data->range_req.sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_REQ_CMD); + tof_data->range_req.req_timeout = 1; + tof_data->range_req.initiator = 1; + tof_data->range_req.report_policy = 3; + + tof_data->range_req_ext.sub_grp_cmd_id = + cpu_to_le32(TOF_RANGE_REQ_EXT_CMD); + + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; +} + +void iwl_mvm_tof_clean(struct iwl_mvm *mvm) +{ + struct iwl_mvm_tof_data *tof_data = &mvm->tof_data; + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return; + + memset(tof_data, 0, sizeof(*tof_data)); + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; +} + +static void iwl_tof_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + bool *enabled = _data; + + /* non bss vif exists */ + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) + *enabled = false; +} + +int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm) +{ + struct iwl_tof_config_cmd *cmd = &mvm->tof_data.tof_cfg; + bool enabled; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + ieee80211_iterate_active_interfaces_atomic(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_tof_iterator, &enabled); + if (!enabled) { + IWL_DEBUG_INFO(mvm, "ToF is not supported (non bss vif)\n"); + return -EINVAL; + } + + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(*cmd), cmd); +} + +int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id) +{ + struct iwl_tof_range_abort_cmd cmd = { + .sub_grp_cmd_id = cpu_to_le32(TOF_RANGE_ABORT_CMD), + .request_id = id, + }; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (id != mvm->tof_data.active_range_request) { + IWL_ERR(mvm, "Invalid range request id %d (active %d)\n", + id, mvm->tof_data.active_range_request); + return -EINVAL; + } + + /* after abort is sent there's no active request anymore */ + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(cmd), &cmd); +} + +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_tof_responder_config_cmd *cmd = &mvm->tof_data.responder_cfg; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (vif->p2p || vif->type != NL80211_IFTYPE_AP) { + IWL_ERR(mvm, "Cannot start responder, not in AP mode\n"); + return -EIO; + } + + cmd->sta_id = mvmvif->bcast_sta.sta_id; + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(*cmd), cmd); +} +#endif + +int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_host_cmd cmd = { + .id = iwl_cmd_id(TOF_CMD, IWL_ALWAYS_LONG_GROUP, 0), + .len = { sizeof(mvm->tof_data.range_req), }, + /* no copy because of the command size */ + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { + IWL_ERR(mvm, "Cannot send range request, not STA mode\n"); + return -EIO; + } + + /* nesting of range requests is not supported in FW */ + if (mvm->tof_data.active_range_request != + IWL_MVM_TOF_RANGE_REQ_MAX_ID) { + IWL_ERR(mvm, "Cannot send range req, already active req %d\n", + mvm->tof_data.active_range_request); + return -EIO; + } + + mvm->tof_data.active_range_request = mvm->tof_data.range_req.request_id; + + cmd.data[0] = &mvm->tof_data.range_req; + return iwl_mvm_send_cmd(mvm, &cmd); +} + +int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + lockdep_assert_held(&mvm->mutex); + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TOF_SUPPORT)) + return -EINVAL; + + if (ieee80211_vif_type_p2p(vif) != NL80211_IFTYPE_STATION) { + IWL_ERR(mvm, "Cannot send ext range req, not in STA mode\n"); + return -EIO; + } + + return iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(TOF_CMD, + IWL_ALWAYS_LONG_GROUP, 0), + 0, sizeof(mvm->tof_data.range_req_ext), + &mvm->tof_data.range_req_ext); +} + +static int iwl_mvm_tof_range_resp(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_range_rsp_ntfy *resp = (void *)data; + + if (resp->request_id != mvm->tof_data.active_range_request) { + IWL_ERR(mvm, "Request id mismatch, got %d, active %d\n", + resp->request_id, mvm->tof_data.active_range_request); + return -EIO; + } + + memcpy(&mvm->tof_data.range_resp, resp, + sizeof(struct iwl_tof_range_rsp_ntfy)); + mvm->tof_data.active_range_request = IWL_MVM_TOF_RANGE_REQ_MAX_ID; + + return 0; +} + +static int iwl_mvm_tof_mcsi_notif(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_mcsi_notif *resp = (struct iwl_tof_mcsi_notif *)data; + + IWL_DEBUG_INFO(mvm, "MCSI notification, token %d\n", resp->token); + return 0; +} + +static int iwl_mvm_tof_nb_report_notif(struct iwl_mvm *mvm, void *data) +{ + struct iwl_tof_neighbor_report *report = + (struct iwl_tof_neighbor_report *)data; + + IWL_DEBUG_INFO(mvm, "NB report, bssid %pM, token %d, status 0x%x\n", + report->bssid, report->request_token, report->status); + return 0; +} + +void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_tof_gen_resp_cmd *resp = (void *)pkt->data; + + lockdep_assert_held(&mvm->mutex); + + switch (le32_to_cpu(resp->sub_grp_cmd_id)) { + case TOF_RANGE_RESPONSE_NOTIF: + iwl_mvm_tof_range_resp(mvm, resp->data); + break; + case TOF_MCSI_DEBUG_NOTIF: + iwl_mvm_tof_mcsi_notif(mvm, resp->data); + break; + case TOF_NEIGHBOR_REPORT_RSP_NOTIF: + iwl_mvm_tof_nb_report_notif(mvm, resp->data); + break; + default: + IWL_ERR(mvm, "Unknown sub-group command 0x%x\n", + resp->sub_grp_cmd_id); + break; + } +} diff --git a/drivers/net/wireless/iwlwifi/mvm/tof.h b/drivers/net/wireless/iwlwifi/mvm/tof.h new file mode 100644 index 000000000..50ae8adaa --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/tof.h @@ -0,0 +1,94 @@ +/****************************************************************************** + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2015 Intel Deutschland GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2015 Intel Deutschland GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + *****************************************************************************/ +#ifndef __tof +#define __tof_h__ + +#include "fw-api-tof.h" + +struct iwl_mvm_tof_data { + struct iwl_tof_config_cmd tof_cfg; + struct iwl_tof_range_req_cmd range_req; + struct iwl_tof_range_req_ext_cmd range_req_ext; +#ifdef CONFIG_IWLWIFI_DEBUGFS + struct iwl_tof_responder_config_cmd responder_cfg; +#endif + struct iwl_tof_range_rsp_ntfy range_resp; + u8 last_abort_id; + u16 active_range_request; +}; + +void iwl_mvm_tof_init(struct iwl_mvm *mvm); +void iwl_mvm_tof_clean(struct iwl_mvm *mvm); +int iwl_mvm_tof_config_cmd(struct iwl_mvm *mvm); +int iwl_mvm_tof_range_abort_cmd(struct iwl_mvm *mvm, u8 id); +int iwl_mvm_tof_range_request_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +void iwl_mvm_tof_resp_handler(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); +int iwl_mvm_tof_range_request_ext_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +#ifdef CONFIG_IWLWIFI_DEBUGFS +int iwl_mvm_tof_responder_cmd(struct iwl_mvm *mvm, + struct ieee80211_vif *vif); +#endif +#endif /* __tof_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c index 80d07db6e..fe7145c2c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/iwlwifi/mvm/tt.c @@ -33,6 +33,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2015 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -154,24 +155,20 @@ static bool iwl_mvm_temp_notif_wait(struct iwl_notif_wait_data *notif_wait, return true; } -int iwl_mvm_temp_notif(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); int temp; /* the notification is handled synchronously in ctkill, so skip here */ if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status)) - return 0; + return; temp = iwl_mvm_temp_notif_parse(mvm, pkt); if (temp < 0) - return 0; + return; iwl_mvm_tt_temp_changed(mvm, temp); - - return 0; } static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm) @@ -187,7 +184,7 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm) int iwl_mvm_get_temp(struct iwl_mvm *mvm) { struct iwl_notification_wait wait_temp_notif; - static const u8 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION }; + static const u16 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION }; int ret, temp; lockdep_assert_held(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 89116864d..6df5aada4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -153,18 +153,20 @@ void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, if (ieee80211_is_mgmt(fc)) { if (ieee80211_is_assoc_req(fc) || ieee80211_is_reassoc_req(fc)) - tx_cmd->pm_frame_timeout = cpu_to_le16(3); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_ASSOC); + else if (ieee80211_is_action(fc)) + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_NONE); else - tx_cmd->pm_frame_timeout = cpu_to_le16(2); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_MGMT); /* The spec allows Action frames in A-MPDU, we don't support * it */ WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU); } else if (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) { - tx_cmd->pm_frame_timeout = cpu_to_le16(2); + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_MGMT); } else { - tx_cmd->pm_frame_timeout = 0; + tx_cmd->pm_frame_timeout = cpu_to_le16(PM_FRAME_NONE); } if (ieee80211_is_data(fc) && len > mvm->rts_threshold && @@ -268,19 +270,29 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, /* * Sets the fields in the Tx cmd that are crypto related */ -void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, - struct ieee80211_tx_info *info, - struct iwl_tx_cmd *tx_cmd, - struct sk_buff *skb_frag) +static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, + struct ieee80211_tx_info *info, + struct iwl_tx_cmd *tx_cmd, + struct sk_buff *skb_frag, + int hdrlen) { struct ieee80211_key_conf *keyconf = info->control.hw_key; + u8 *crypto_hdr = skb_frag->data + hdrlen; + u64 pn; switch (keyconf->cipher) { case WLAN_CIPHER_SUITE_CCMP: - tx_cmd->sec_ctl = TX_CMD_SEC_CCM; - memcpy(tx_cmd->key, keyconf->key, keyconf->keylen); - if (info->flags & IEEE80211_TX_CTL_AMPDU) - tx_cmd->tx_flags |= cpu_to_le32(TX_CMD_FLG_CCMP_AGG); + case WLAN_CIPHER_SUITE_CCMP_256: + iwl_mvm_set_tx_cmd_ccmp(info, tx_cmd); + pn = atomic64_inc_return(&keyconf->tx_pn); + crypto_hdr[0] = pn; + crypto_hdr[2] = 0; + crypto_hdr[3] = 0x20 | (keyconf->keyidx << 6); + crypto_hdr[1] = pn >> 8; + crypto_hdr[4] = pn >> 16; + crypto_hdr[5] = pn >> 24; + crypto_hdr[6] = pn >> 32; + crypto_hdr[7] = pn >> 40; break; case WLAN_CIPHER_SUITE_TKIP: @@ -308,7 +320,7 @@ void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, */ static struct iwl_device_cmd * iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, - struct ieee80211_sta *sta, u8 sta_id) + int hdrlen, struct ieee80211_sta *sta, u8 sta_id) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -325,7 +337,7 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb, tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; if (info->control.hw_key) - iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb); + iwl_mvm_set_tx_cmd_crypto(mvm, info, tx_cmd, skb, hdrlen); iwl_mvm_set_tx_cmd(mvm, skb, tx_cmd, info, sta_id); @@ -346,6 +358,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) struct iwl_device_cmd *dev_cmd; struct iwl_tx_cmd *tx_cmd; u8 sta_id; + int hdrlen = ieee80211_hdrlen(hdr->frame_control); if (WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_AMPDU)) return -1; @@ -366,23 +379,34 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue; /* - * If the interface on which frame is sent is the P2P_DEVICE + * If the interface on which the frame is sent is the P2P_DEVICE * or an AP/GO interface use the broadcast station associated - * with it; otherwise use the AUX station. + * with it; otherwise if the interface is a managed interface + * use the AP station associated with it for multicast traffic + * (this is not possible for unicast packets as a TLDS discovery + * response are sent without a station entry); otherwise use the + * AUX station. */ - if (info->control.vif && - (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE || - info->control.vif->type == NL80211_IFTYPE_AP)) { + sta_id = mvm->aux_sta.sta_id; + if (info->control.vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(info->control.vif); - sta_id = mvmvif->bcast_sta.sta_id; - } else { - sta_id = mvm->aux_sta.sta_id; + + if (info->control.vif->type == NL80211_IFTYPE_P2P_DEVICE || + info->control.vif->type == NL80211_IFTYPE_AP) + sta_id = mvmvif->bcast_sta.sta_id; + else if (info->control.vif->type == NL80211_IFTYPE_STATION && + is_multicast_ether_addr(hdr->addr1)) { + u8 ap_sta_id = ACCESS_ONCE(mvmvif->ap_sta_id); + + if (ap_sta_id != IWL_MVM_STATION_COUNT) + sta_id = ap_sta_id; + } } IWL_DEBUG_TX(mvm, "station Id %d, queue=%d\n", sta_id, info->hw_queue); - dev_cmd = iwl_mvm_set_tx_params(mvm, skb, NULL, sta_id); + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, NULL, sta_id); if (!dev_cmd) return -1; @@ -390,7 +414,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; /* Copy MAC header from skb into command buffer */ - memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(hdr->frame_control)); + memcpy(tx_cmd->hdr, hdr, hdrlen); if (iwl_trans_tx(mvm->trans, skb, dev_cmd, info->hw_queue)) { iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); @@ -416,9 +440,11 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, u8 tid = IWL_MAX_TID_COUNT; u8 txq_id = info->hw_queue; bool is_data_qos = false, is_ampdu = false; + int hdrlen; mvmsta = iwl_mvm_sta_from_mac80211(sta); fc = hdr->frame_control; + hdrlen = ieee80211_hdrlen(fc); if (WARN_ON_ONCE(!mvmsta)) return -1; @@ -426,7 +452,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, if (WARN_ON_ONCE(mvmsta->sta_id == IWL_MVM_STATION_COUNT)) return -1; - dev_cmd = iwl_mvm_set_tx_params(mvm, skb, sta, mvmsta->sta_id); + dev_cmd = iwl_mvm_set_tx_params(mvm, skb, hdrlen, sta, mvmsta->sta_id); if (!dev_cmd) goto drop; @@ -458,7 +484,7 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, } /* Copy MAC header from skb into command buffer */ - memcpy(tx_cmd->hdr, hdr, ieee80211_hdrlen(fc)); + memcpy(tx_cmd->hdr, hdr, hdrlen); WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM); @@ -911,8 +937,7 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, rcu_read_unlock(); } -int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_tx_resp *tx_resp = (void *)pkt->data; @@ -921,8 +946,6 @@ int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, iwl_mvm_rx_tx_cmd_single(mvm, pkt); else iwl_mvm_rx_tx_cmd_agg(mvm, pkt); - - return 0; } static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, @@ -942,8 +965,7 @@ static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info, (void *)(uintptr_t)tid_data->rate_n_flags; } -int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_mvm_ba_notif *ba_notif = (void *)pkt->data; @@ -965,7 +987,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT || tid >= IWL_MAX_TID_COUNT, "sta_id %d tid %d", sta_id, tid)) - return 0; + return; rcu_read_lock(); @@ -974,7 +996,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, /* Reclaiming frames for a station that has been deleted ? */ if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { rcu_read_unlock(); - return 0; + return; } mvmsta = iwl_mvm_sta_from_mac80211(sta); @@ -985,7 +1007,7 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, "invalid BA notification: Q %d, tid %d, flow %d\n", tid_data->txq_id, tid, scd_flow); rcu_read_unlock(); - return 0; + return; } spin_lock_bh(&mvmsta->lock); @@ -1072,8 +1094,6 @@ out: skb = __skb_dequeue(&reclaimed_skbs); ieee80211_tx_status(mvm->hw, skb); } - - return 0; } /* diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index 03f8e06dd..a7d434256 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -108,7 +108,7 @@ int iwl_mvm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd) return ret; } -int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u8 id, +int iwl_mvm_send_cmd_pdu(struct iwl_mvm *mvm, u32 id, u32 flags, u16 len, const void *data) { struct iwl_host_cmd cmd = { @@ -166,11 +166,6 @@ int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, goto out_free_resp; } - if (pkt->hdr.flags & IWL_CMD_FAILED_MSK) { - ret = -EIO; - goto out_free_resp; - } - resp_len = iwl_rx_packet_payload_len(pkt); if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { ret = -EIO; @@ -187,7 +182,7 @@ int iwl_mvm_send_cmd_status(struct iwl_mvm *mvm, struct iwl_host_cmd *cmd, /* * We assume that the caller set the status to the sucess value */ -int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u8 id, u16 len, +int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, const void *data, u32 *status) { struct iwl_host_cmd cmd = { @@ -243,8 +238,7 @@ u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) return fw_rate_idx_to_plcp[rate_idx]; } -int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +void iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_error_resp *err_resp = (void *)pkt->data; @@ -256,7 +250,6 @@ int iwl_mvm_rx_fw_error(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, le32_to_cpu(err_resp->error_service)); IWL_ERR(mvm, "FW Error notification: timestamp 0x%16llX\n", le64_to_cpu(err_resp->timestamp)); - return 0; } /* diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 9f65c1cff..639761fb2 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -414,18 +414,30 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x095A, 0x5590, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5290, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5490, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5F10, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x5212, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095B, 0x520A, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9000, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9400, iwl7265_2ac_cfg)}, /* 8000 Series */ {IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0132, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1132, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0110, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x01F0, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0012, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1012, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0250, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x1050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0150, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x1150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x0030, iwl8260_2ac_cfg)}, - {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)}, @@ -433,18 +445,28 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x9010, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9110, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x8030, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F4, 0x9030, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9130, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8132, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9132, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x8050, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x8150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x9050, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x9150, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0004, iwl8260_2n_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0044, iwl8260_2n_cfg)}, {IWL_PCI_DEVICE(0x24F5, 0x0010, iwl4165_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F6, 0x0030, iwl4165_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0810, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0910, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0850, iwl8260_2ac_cfg)}, {IWL_PCI_DEVICE(0x24F3, 0x0950, iwl8260_2ac_cfg)}, + {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)}, #endif /* CONFIG_IWLMVM */ {0} @@ -614,6 +636,7 @@ static int iwl_pci_resume(struct device *device) { struct pci_dev *pdev = to_pci_dev(device); struct iwl_trans *trans = pci_get_drvdata(pdev); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); bool hw_rfkill; /* Before you put code here, think about WoWLAN. You cannot check here @@ -631,20 +654,16 @@ static int iwl_pci_resume(struct device *device) return 0; /* - * On suspend, ict is disabled, and the interrupt mask - * gets cleared. Reconfigure them both in case of d0i3 - * image. Otherwise, only enable rfkill interrupt (in - * order to keep track of the rfkill status) + * Enable rfkill interrupt (in order to keep track of + * the rfkill status) */ - if (trans->wowlan_d0i3) { - iwl_pcie_reset_ict(trans); - iwl_enable_interrupts(trans); - } else { - iwl_enable_rfkill_int(trans); - } + iwl_enable_rfkill_int(trans); hw_rfkill = iwl_is_rfkill_set(trans); + + mutex_lock(&trans_pcie->mutex); iwl_trans_pcie_rf_kill(trans, hw_rfkill); + mutex_unlock(&trans_pcie->mutex); return 0; } diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 376b84e54..feb2f7e81 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -44,6 +44,21 @@ #include "iwl-io.h" #include "iwl-op-mode.h" +/* We need 2 entries for the TX command and header, and another one might + * be needed for potential data in the SKB's head. The remaining ones can + * be used for frags. + */ +#define IWL_PCIE_MAX_FRAGS (IWL_NUM_OF_TBS - 3) + +/* + * RX related structures and functions + */ +#define RX_NUM_QUEUES 1 +#define RX_POST_REQ_ALLOC 2 +#define RX_CLAIM_REQ_ALLOC 8 +#define RX_POOL_SIZE ((RX_CLAIM_REQ_ALLOC - RX_POST_REQ_ALLOC) * RX_NUM_QUEUES) +#define RX_LOW_WATERMARK 8 + struct iwl_host_cmd; /*This file includes the declaration that are internal to the @@ -77,29 +92,29 @@ struct isr_statistics { * struct iwl_rxq - Rx queue * @bd: driver's pointer to buffer of receive buffer descriptors (rbd) * @bd_dma: bus address of buffer of receive buffer descriptors (rbd) - * @pool: - * @queue: * @read: Shared index to newest available Rx buffer * @write: Shared index to oldest written Rx packet * @free_count: Number of pre-allocated buffers in rx_free + * @used_count: Number of RBDs handled to allocator to use for allocation * @write_actual: - * @rx_free: list of free SKBs for use - * @rx_used: List of Rx buffers with no SKB + * @rx_free: list of RBDs with allocated RB ready for use + * @rx_used: list of RBDs with no RB attached * @need_update: flag to indicate we need to update read/write index * @rb_stts: driver's pointer to receive buffer status * @rb_stts_dma: bus address of receive buffer status * @lock: + * @pool: initial pool of iwl_rx_mem_buffer for the queue + * @queue: actual rx queue * * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers */ struct iwl_rxq { __le32 *bd; dma_addr_t bd_dma; - struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS]; - struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; u32 read; u32 write; u32 free_count; + u32 used_count; u32 write_actual; struct list_head rx_free; struct list_head rx_used; @@ -107,6 +122,32 @@ struct iwl_rxq { struct iwl_rb_status *rb_stts; dma_addr_t rb_stts_dma; spinlock_t lock; + struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE]; + struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE]; +}; + +/** + * struct iwl_rb_allocator - Rx allocator + * @pool: initial pool of allocator + * @req_pending: number of requests the allcator had not processed yet + * @req_ready: number of requests honored and ready for claiming + * @rbd_allocated: RBDs with pages allocated and ready to be handled to + * the queue. This is a list of &struct iwl_rx_mem_buffer + * @rbd_empty: RBDs with no page attached for allocator use. This is a list + * of &struct iwl_rx_mem_buffer + * @lock: protects the rbd_allocated and rbd_empty lists + * @alloc_wq: work queue for background calls + * @rx_alloc: work struct for background calls + */ +struct iwl_rb_allocator { + struct iwl_rx_mem_buffer pool[RX_POOL_SIZE]; + atomic_t req_pending; + atomic_t req_ready; + struct list_head rbd_allocated; + struct list_head rbd_empty; + spinlock_t lock; + struct workqueue_struct *alloc_wq; + struct work_struct rx_alloc; }; struct iwl_dma_ptr { @@ -250,7 +291,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) /** * struct iwl_trans_pcie - PCIe transport specific data * @rxq: all the RX queue data - * @rx_replenish: work that will be called when buffers need to be allocated + * @rba: allocator for RX replenishing * @drv - pointer to iwl_drv * @trans: pointer to the generic transport area * @scd_base_addr: scheduler sram base address in SRAM @@ -264,8 +305,10 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) * @rx_buf_size_8k: 8 kB RX buffer size * @bc_table_dword: true if the BC table expects DWORD (as opposed to bytes) * @scd_set_active: should the transport configure the SCD for HCMD queue + * @wide_cmd_header: true when ucode supports wide command header format * @rx_page_order: page order for receive buffer size * @reg_lock: protect hw register access + * @mutex: to protect stop_device / start_fw / start_hw * @cmd_in_flight: true when we have a host command in flight * @fw_mon_phys: physical address of the buffer for the firmware monitor * @fw_mon_page: points to the first page of the buffer for the firmware monitor @@ -273,7 +316,7 @@ iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) */ struct iwl_trans_pcie { struct iwl_rxq rxq; - struct work_struct rx_replenish; + struct iwl_rb_allocator rba; struct iwl_trans *trans; struct iwl_drv *drv; @@ -285,9 +328,11 @@ struct iwl_trans_pcie { dma_addr_t ict_tbl_dma; int ict_index; bool use_ict; + bool is_down; struct isr_statistics isr_stats; spinlock_t irq_lock; + struct mutex mutex; u32 inta_mask; u32 scd_base_addr; struct iwl_dma_ptr scd_bc_tbls; @@ -314,6 +359,7 @@ struct iwl_trans_pcie { bool rx_buf_size_8k; bool bc_table_dword; bool scd_set_active; + bool wide_cmd_header; u32 rx_page_order; const char *const *command_names; @@ -385,7 +431,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans); int iwl_trans_pcie_send_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd); void iwl_pcie_hcmd_complete(struct iwl_trans *trans, - struct iwl_rx_cmd_buffer *rxb, int handler_status); + struct iwl_rx_cmd_buffer *rxb); void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, struct sk_buff_head *skbs); void iwl_trans_pcie_tx_reset(struct iwl_trans *trans); diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index adad8d0fa..e06591f62 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH + * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * * Portions of this file are derived from the ipw3945 project, as well * as portions of the ieee80211 subsystem header files. @@ -74,16 +74,29 @@ * resets the Rx queue buffers with new memory. * * The management in the driver is as follows: - * + A list of pre-allocated SKBs is stored in iwl->rxq->rx_free. When - * iwl->rxq->free_count drops to or below RX_LOW_WATERMARK, work is scheduled - * to replenish the iwl->rxq->rx_free. - * + In iwl_pcie_rx_replenish (scheduled) if 'processed' != 'read' then the - * iwl->rxq is replenished and the READ INDEX is updated (updating the - * 'processed' and 'read' driver indexes as well) + * + A list of pre-allocated RBDs is stored in iwl->rxq->rx_free. + * When the interrupt handler is called, the request is processed. + * The page is either stolen - transferred to the upper layer + * or reused - added immediately to the iwl->rxq->rx_free list. + * + When the page is stolen - the driver updates the matching queue's used + * count, detaches the RBD and transfers it to the queue used list. + * When there are two used RBDs - they are transferred to the allocator empty + * list. Work is then scheduled for the allocator to start allocating + * eight buffers. + * When there are another 6 used RBDs - they are transferred to the allocator + * empty list and the driver tries to claim the pre-allocated buffers and + * add them to iwl->rxq->rx_free. If it fails - it continues to claim them + * until ready. + * When there are 8+ buffers in the free list - either from allocation or from + * 8 reused unstolen pages - restock is called to update the FW and indexes. + * + In order to make sure the allocator always has RBDs to use for allocation + * the allocator has initial pool in the size of num_queues*(8-2) - the + * maximum missing RBDs per allocation request (request posted with 2 + * empty RBDs, there is no guarantee when the other 6 RBDs are supplied). + * The queues supplies the recycle of the rest of the RBDs. * + A received packet is processed and handed to the kernel network stack, * detached from the iwl->rxq. The driver 'processed' index is updated. - * + The Host/Firmware iwl->rxq is replenished at irq thread time from the - * rx_free list. If there are no allocated buffers in iwl->rxq->rx_free, + * + If there are no allocated buffers in iwl->rxq->rx_free, * the READ INDEX is not incremented and iwl->status(RX_STALLED) is set. * If there were enough free buffers and RX_STALLED is set it is cleared. * @@ -92,18 +105,32 @@ * * iwl_rxq_alloc() Allocates rx_free * iwl_pcie_rx_replenish() Replenishes rx_free list from rx_used, and calls - * iwl_pcie_rxq_restock + * iwl_pcie_rxq_restock. + * Used only during initialization. * iwl_pcie_rxq_restock() Moves available buffers from rx_free into Rx * queue, updates firmware pointers, and updates - * the WRITE index. If insufficient rx_free buffers - * are available, schedules iwl_pcie_rx_replenish + * the WRITE index. + * iwl_pcie_rx_allocator() Background work for allocating pages. * * -- enable interrupts -- * ISR - iwl_rx() Detach iwl_rx_mem_buffers from pool up to the * READ INDEX, detaching the SKB from the pool. * Moves the packet buffer from queue to rx_used. + * Posts and claims requests to the allocator. * Calls iwl_pcie_rxq_restock to refill any empty * slots. + * + * RBD life-cycle: + * + * Init: + * rxq.pool -> rxq.rx_used -> rxq.rx_free -> rxq.queue + * + * Regular Receive interrupt: + * Page Stolen: + * rxq.queue -> rxq.rx_used -> allocator.rbd_empty -> + * allocator.rbd_allocated -> rxq.rx_free -> rxq.queue + * Page not Stolen: + * rxq.queue -> rxq.rx_free -> rxq.queue * ... * */ @@ -240,10 +267,6 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) rxq->free_count--; } spin_unlock(&rxq->lock); - /* If the pre-allocated buffer pool is dropping low, schedule to - * refill it */ - if (rxq->free_count <= RX_LOW_WATERMARK) - schedule_work(&trans_pcie->rx_replenish); /* If we've added more space for the firmware to place data, tell it. * Increment device's write pointer in multiples of 8. */ @@ -255,6 +278,45 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans) } /* + * iwl_pcie_rx_alloc_page - allocates and returns a page. + * + */ +static struct page *iwl_pcie_rx_alloc_page(struct iwl_trans *trans, + gfp_t priority) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rxq *rxq = &trans_pcie->rxq; + struct page *page; + gfp_t gfp_mask = priority; + + if (rxq->free_count > RX_LOW_WATERMARK) + gfp_mask |= __GFP_NOWARN; + + if (trans_pcie->rx_page_order > 0) + gfp_mask |= __GFP_COMP; + + /* Alloc a new receive buffer */ + page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); + if (!page) { + if (net_ratelimit()) + IWL_DEBUG_INFO(trans, "alloc_pages failed, order: %d\n", + trans_pcie->rx_page_order); + /* Issue an error if the hardware has consumed more than half + * of its free buffer list and we don't have enough + * pre-allocated buffers. +` */ + if (rxq->free_count <= RX_LOW_WATERMARK && + iwl_rxq_space(rxq) > (RX_QUEUE_SIZE / 2) && + net_ratelimit()) + IWL_CRIT(trans, + "Failed to alloc_pages with GFP_KERNEL. Only %u free buffers remaining.\n", + rxq->free_count); + return NULL; + } + return page; +} + +/* * iwl_pcie_rxq_alloc_rbs - allocate a page for each used RBD * * A used RBD is an Rx buffer that has been given to the stack. To use it again @@ -269,7 +331,6 @@ static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans, gfp_t priority) struct iwl_rxq *rxq = &trans_pcie->rxq; struct iwl_rx_mem_buffer *rxb; struct page *page; - gfp_t gfp_mask = priority; while (1) { spin_lock(&rxq->lock); @@ -279,32 +340,10 @@ static void iwl_pcie_rxq_alloc_rbs(struct iwl_trans *trans, gfp_t priority) } spin_unlock(&rxq->lock); - if (rxq->free_count > RX_LOW_WATERMARK) - gfp_mask |= __GFP_NOWARN; - - if (trans_pcie->rx_page_order > 0) - gfp_mask |= __GFP_COMP; - /* Alloc a new receive buffer */ - page = alloc_pages(gfp_mask, trans_pcie->rx_page_order); - if (!page) { - if (net_ratelimit()) - IWL_DEBUG_INFO(trans, "alloc_pages failed, " - "order: %d\n", - trans_pcie->rx_page_order); - - if ((rxq->free_count <= RX_LOW_WATERMARK) && - net_ratelimit()) - IWL_CRIT(trans, "Failed to alloc_pages with %s." - "Only %u free buffers remaining.\n", - priority == GFP_ATOMIC ? - "GFP_ATOMIC" : "GFP_KERNEL", - rxq->free_count); - /* We don't reschedule replenish work here -- we will - * call the restock method and if it still needs - * more buffers it will schedule replenish */ + page = iwl_pcie_rx_alloc_page(trans, priority); + if (!page) return; - } spin_lock(&rxq->lock); @@ -355,7 +394,7 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) lockdep_assert_held(&rxq->lock); - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) { + for (i = 0; i < RX_QUEUE_SIZE; i++) { if (!rxq->pool[i].page) continue; dma_unmap_page(trans->dev, rxq->pool[i].page_dma, @@ -372,32 +411,164 @@ static void iwl_pcie_rxq_free_rbs(struct iwl_trans *trans) * When moving to rx_free an page is allocated for the slot. * * Also restock the Rx queue via iwl_pcie_rxq_restock. - * This is called as a scheduled work item (except for during initialization) + * This is called only during initialization */ -static void iwl_pcie_rx_replenish(struct iwl_trans *trans, gfp_t gfp) +static void iwl_pcie_rx_replenish(struct iwl_trans *trans) { - iwl_pcie_rxq_alloc_rbs(trans, gfp); + iwl_pcie_rxq_alloc_rbs(trans, GFP_KERNEL); iwl_pcie_rxq_restock(trans); } -static void iwl_pcie_rx_replenish_work(struct work_struct *data) +/* + * iwl_pcie_rx_allocator - Allocates pages in the background for RX queues + * + * Allocates for each received request 8 pages + * Called as a scheduled work item. + */ +static void iwl_pcie_rx_allocator(struct iwl_trans *trans) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rb_allocator *rba = &trans_pcie->rba; + struct list_head local_empty; + int pending = atomic_xchg(&rba->req_pending, 0); + + IWL_DEBUG_RX(trans, "Pending allocation requests = %d\n", pending); + + /* If we were scheduled - there is at least one request */ + spin_lock(&rba->lock); + /* swap out the rba->rbd_empty to a local list */ + list_replace_init(&rba->rbd_empty, &local_empty); + spin_unlock(&rba->lock); + + while (pending) { + int i; + struct list_head local_allocated; + + INIT_LIST_HEAD(&local_allocated); + + for (i = 0; i < RX_CLAIM_REQ_ALLOC;) { + struct iwl_rx_mem_buffer *rxb; + struct page *page; + + /* List should never be empty - each reused RBD is + * returned to the list, and initial pool covers any + * possible gap between the time the page is allocated + * to the time the RBD is added. + */ + BUG_ON(list_empty(&local_empty)); + /* Get the first rxb from the rbd list */ + rxb = list_first_entry(&local_empty, + struct iwl_rx_mem_buffer, list); + BUG_ON(rxb->page); + + /* Alloc a new receive buffer */ + page = iwl_pcie_rx_alloc_page(trans, GFP_KERNEL); + if (!page) + continue; + rxb->page = page; + + /* Get physical address of the RB */ + rxb->page_dma = dma_map_page(trans->dev, page, 0, + PAGE_SIZE << trans_pcie->rx_page_order, + DMA_FROM_DEVICE); + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + rxb->page = NULL; + __free_pages(page, trans_pcie->rx_page_order); + continue; + } + /* dma address must be no more than 36 bits */ + BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); + /* and also 256 byte aligned! */ + BUG_ON(rxb->page_dma & DMA_BIT_MASK(8)); + + /* move the allocated entry to the out list */ + list_move(&rxb->list, &local_allocated); + i++; + } + + pending--; + if (!pending) { + pending = atomic_xchg(&rba->req_pending, 0); + IWL_DEBUG_RX(trans, + "Pending allocation requests = %d\n", + pending); + } + + spin_lock(&rba->lock); + /* add the allocated rbds to the allocator allocated list */ + list_splice_tail(&local_allocated, &rba->rbd_allocated); + /* get more empty RBDs for current pending requests */ + list_splice_tail_init(&rba->rbd_empty, &local_empty); + spin_unlock(&rba->lock); + + atomic_inc(&rba->req_ready); + } + + spin_lock(&rba->lock); + /* return unused rbds to the allocator empty list */ + list_splice_tail(&local_empty, &rba->rbd_empty); + spin_unlock(&rba->lock); +} + +/* + * iwl_pcie_rx_allocator_get - Returns the pre-allocated pages +.* +.* Called by queue when the queue posted allocation request and + * has freed 8 RBDs in order to restock itself. + */ +static int iwl_pcie_rx_allocator_get(struct iwl_trans *trans, + struct iwl_rx_mem_buffer + *out[RX_CLAIM_REQ_ALLOC]) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rb_allocator *rba = &trans_pcie->rba; + int i; + + /* + * atomic_dec_if_positive returns req_ready - 1 for any scenario. + * If req_ready is 0 atomic_dec_if_positive will return -1 and this + * function will return -ENOMEM, as there are no ready requests. + * atomic_dec_if_positive will perofrm the *actual* decrement only if + * req_ready > 0, i.e. - there are ready requests and the function + * hands one request to the caller. + */ + if (atomic_dec_if_positive(&rba->req_ready) < 0) + return -ENOMEM; + + spin_lock(&rba->lock); + for (i = 0; i < RX_CLAIM_REQ_ALLOC; i++) { + /* Get next free Rx buffer, remove it from free list */ + out[i] = list_first_entry(&rba->rbd_allocated, + struct iwl_rx_mem_buffer, list); + list_del(&out[i]->list); + } + spin_unlock(&rba->lock); + + return 0; +} + +static void iwl_pcie_rx_allocator_work(struct work_struct *data) +{ + struct iwl_rb_allocator *rba_p = + container_of(data, struct iwl_rb_allocator, rx_alloc); struct iwl_trans_pcie *trans_pcie = - container_of(data, struct iwl_trans_pcie, rx_replenish); + container_of(rba_p, struct iwl_trans_pcie, rba); - iwl_pcie_rx_replenish(trans_pcie->trans, GFP_KERNEL); + iwl_pcie_rx_allocator(trans_pcie->trans); } static int iwl_pcie_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; + struct iwl_rb_allocator *rba = &trans_pcie->rba; struct device *dev = trans->dev; memset(&trans_pcie->rxq, 0, sizeof(trans_pcie->rxq)); spin_lock_init(&rxq->lock); + spin_lock_init(&rba->lock); if (WARN_ON(rxq->bd || rxq->rb_stts)) return -EINVAL; @@ -487,15 +658,49 @@ static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) INIT_LIST_HEAD(&rxq->rx_free); INIT_LIST_HEAD(&rxq->rx_used); rxq->free_count = 0; + rxq->used_count = 0; - for (i = 0; i < RX_FREE_BUFFERS + RX_QUEUE_SIZE; i++) + for (i = 0; i < RX_QUEUE_SIZE; i++) list_add(&rxq->pool[i].list, &rxq->rx_used); } +static void iwl_pcie_rx_init_rba(struct iwl_rb_allocator *rba) +{ + int i; + + lockdep_assert_held(&rba->lock); + + INIT_LIST_HEAD(&rba->rbd_allocated); + INIT_LIST_HEAD(&rba->rbd_empty); + + for (i = 0; i < RX_POOL_SIZE; i++) + list_add(&rba->pool[i].list, &rba->rbd_empty); +} + +static void iwl_pcie_rx_free_rba(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rb_allocator *rba = &trans_pcie->rba; + int i; + + lockdep_assert_held(&rba->lock); + + for (i = 0; i < RX_POOL_SIZE; i++) { + if (!rba->pool[i].page) + continue; + dma_unmap_page(trans->dev, rba->pool[i].page_dma, + PAGE_SIZE << trans_pcie->rx_page_order, + DMA_FROM_DEVICE); + __free_pages(rba->pool[i].page, trans_pcie->rx_page_order); + rba->pool[i].page = NULL; + } +} + int iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; + struct iwl_rb_allocator *rba = &trans_pcie->rba; int i, err; if (!rxq->bd) { @@ -503,11 +708,21 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) if (err) return err; } + if (!rba->alloc_wq) + rba->alloc_wq = alloc_workqueue("rb_allocator", + WQ_HIGHPRI | WQ_UNBOUND, 1); + INIT_WORK(&rba->rx_alloc, iwl_pcie_rx_allocator_work); + + spin_lock(&rba->lock); + atomic_set(&rba->req_pending, 0); + atomic_set(&rba->req_ready, 0); + /* free all first - we might be reconfigured for a different size */ + iwl_pcie_rx_free_rba(trans); + iwl_pcie_rx_init_rba(rba); + spin_unlock(&rba->lock); spin_lock(&rxq->lock); - INIT_WORK(&trans_pcie->rx_replenish, iwl_pcie_rx_replenish_work); - /* free all first - we might be reconfigured for a different size */ iwl_pcie_rxq_free_rbs(trans); iwl_pcie_rx_init_rxb_lists(rxq); @@ -522,7 +737,7 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) memset(rxq->rb_stts, 0, sizeof(*rxq->rb_stts)); spin_unlock(&rxq->lock); - iwl_pcie_rx_replenish(trans, GFP_KERNEL); + iwl_pcie_rx_replenish(trans); iwl_pcie_rx_hw_init(trans, rxq); @@ -537,6 +752,7 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; + struct iwl_rb_allocator *rba = &trans_pcie->rba; /*if rxq->bd is NULL, it means that nothing has been allocated, * exit now */ @@ -545,7 +761,15 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) return; } - cancel_work_sync(&trans_pcie->rx_replenish); + cancel_work_sync(&rba->rx_alloc); + if (rba->alloc_wq) { + destroy_workqueue(rba->alloc_wq); + rba->alloc_wq = NULL; + } + + spin_lock(&rba->lock); + iwl_pcie_rx_free_rba(trans); + spin_unlock(&rba->lock); spin_lock(&rxq->lock); iwl_pcie_rxq_free_rbs(trans); @@ -566,8 +790,49 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) rxq->rb_stts = NULL; } +/* + * iwl_pcie_rx_reuse_rbd - Recycle used RBDs + * + * Called when a RBD can be reused. The RBD is transferred to the allocator. + * When there are 2 empty RBDs - a request for allocation is posted + */ +static void iwl_pcie_rx_reuse_rbd(struct iwl_trans *trans, + struct iwl_rx_mem_buffer *rxb, + struct iwl_rxq *rxq, bool emergency) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_rb_allocator *rba = &trans_pcie->rba; + + /* Move the RBD to the used list, will be moved to allocator in batches + * before claiming or posting a request*/ + list_add_tail(&rxb->list, &rxq->rx_used); + + if (unlikely(emergency)) + return; + + /* Count the allocator owned RBDs */ + rxq->used_count++; + + /* If we have RX_POST_REQ_ALLOC new released rx buffers - + * issue a request for allocator. Modulo RX_CLAIM_REQ_ALLOC is + * used for the case we failed to claim RX_CLAIM_REQ_ALLOC, + * after but we still need to post another request. + */ + if ((rxq->used_count % RX_CLAIM_REQ_ALLOC) == RX_POST_REQ_ALLOC) { + /* Move the 2 RBDs to the allocator ownership. + Allocator has another 6 from pool for the request completion*/ + spin_lock(&rba->lock); + list_splice_tail_init(&rxq->rx_used, &rba->rbd_empty); + spin_unlock(&rba->lock); + + atomic_inc(&rba->req_pending); + queue_work(rba->alloc_wq, &rba->rx_alloc); + } +} + static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, - struct iwl_rx_mem_buffer *rxb) + struct iwl_rx_mem_buffer *rxb, + bool emergency) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; @@ -583,10 +848,9 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, while (offset + sizeof(u32) + sizeof(struct iwl_cmd_header) < max_len) { struct iwl_rx_packet *pkt; - struct iwl_device_cmd *cmd; u16 sequence; bool reclaim; - int index, cmd_index, err, len; + int index, cmd_index, len; struct iwl_rx_cmd_buffer rxcb = { ._offset = offset, ._rx_page_order = trans_pcie->rx_page_order, @@ -634,12 +898,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, index = SEQ_TO_INDEX(sequence); cmd_index = get_cmd_index(&txq->q, index); - if (reclaim) - cmd = txq->entries[cmd_index].cmd; - else - cmd = NULL; - - err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd); + iwl_op_mode_rx(trans->op_mode, &trans_pcie->napi, &rxcb); if (reclaim) { kzfree(txq->entries[cmd_index].free_buf); @@ -657,7 +916,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, * iwl_trans_send_cmd() * as we reclaim the driver command queue */ if (!rxcb._page_stolen) - iwl_pcie_hcmd_complete(trans, &rxcb, err); + iwl_pcie_hcmd_complete(trans, &rxcb); else IWL_WARN(trans, "Claim null rxb?\n"); } @@ -688,13 +947,13 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, */ __free_pages(rxb->page, trans_pcie->rx_page_order); rxb->page = NULL; - list_add_tail(&rxb->list, &rxq->rx_used); + iwl_pcie_rx_reuse_rbd(trans, rxb, rxq, emergency); } else { list_add_tail(&rxb->list, &rxq->rx_free); rxq->free_count++; } } else - list_add_tail(&rxb->list, &rxq->rx_used); + iwl_pcie_rx_reuse_rbd(trans, rxb, rxq, emergency); } /* @@ -704,10 +963,8 @@ static void iwl_pcie_rx_handle(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *rxq = &trans_pcie->rxq; - u32 r, i; - u8 fill_rx = 0; - u32 count = 8; - int total_empty; + u32 r, i, j, count = 0; + bool emergency = false; restart: spin_lock(&rxq->lock); @@ -720,47 +977,95 @@ restart: if (i == r) IWL_DEBUG_RX(trans, "HW = SW = %d\n", r); - /* calculate total frames need to be restock after handling RX */ - total_empty = r - rxq->write_actual; - if (total_empty < 0) - total_empty += RX_QUEUE_SIZE; - - if (total_empty > (RX_QUEUE_SIZE / 2)) - fill_rx = 1; - while (i != r) { struct iwl_rx_mem_buffer *rxb; + if (unlikely(rxq->used_count == RX_QUEUE_SIZE / 2)) + emergency = true; + rxb = rxq->queue[i]; rxq->queue[i] = NULL; IWL_DEBUG_RX(trans, "rxbuf: HW = %d, SW = %d (%p)\n", r, i, rxb); - iwl_pcie_rx_handle_rb(trans, rxb); + iwl_pcie_rx_handle_rb(trans, rxb, emergency); i = (i + 1) & RX_QUEUE_MASK; - /* If there are a lot of unused frames, - * restock the Rx queue so ucode wont assert. */ - if (fill_rx) { + + /* If we have RX_CLAIM_REQ_ALLOC released rx buffers - + * try to claim the pre-allocated buffers from the allocator */ + if (rxq->used_count >= RX_CLAIM_REQ_ALLOC) { + struct iwl_rb_allocator *rba = &trans_pcie->rba; + struct iwl_rx_mem_buffer *out[RX_CLAIM_REQ_ALLOC]; + + if (rxq->used_count % RX_CLAIM_REQ_ALLOC == 0 && + !emergency) { + /* Add the remaining 6 empty RBDs + * for allocator use + */ + spin_lock(&rba->lock); + list_splice_tail_init(&rxq->rx_used, + &rba->rbd_empty); + spin_unlock(&rba->lock); + } + + /* If not ready - continue, will try to reclaim later. + * No need to reschedule work - allocator exits only on + * success */ + if (!iwl_pcie_rx_allocator_get(trans, out)) { + /* If success - then RX_CLAIM_REQ_ALLOC + * buffers were retrieved and should be added + * to free list */ + rxq->used_count -= RX_CLAIM_REQ_ALLOC; + for (j = 0; j < RX_CLAIM_REQ_ALLOC; j++) { + list_add_tail(&out[j]->list, + &rxq->rx_free); + rxq->free_count++; + } + } + } + if (emergency) { count++; - if (count >= 8) { - rxq->read = i; - spin_unlock(&rxq->lock); - iwl_pcie_rx_replenish(trans, GFP_ATOMIC); + if (count == 8) { count = 0; - goto restart; + if (rxq->used_count < RX_QUEUE_SIZE / 3) + emergency = false; + spin_unlock(&rxq->lock); + iwl_pcie_rxq_alloc_rbs(trans, GFP_ATOMIC); + spin_lock(&rxq->lock); } } + /* handle restock for three cases, can be all of them at once: + * - we just pulled buffers from the allocator + * - we have 8+ unstolen pages accumulated + * - we are in emergency and allocated buffers + */ + if (rxq->free_count >= RX_CLAIM_REQ_ALLOC) { + rxq->read = i; + spin_unlock(&rxq->lock); + iwl_pcie_rxq_restock(trans); + goto restart; + } } /* Backtrack one entry */ rxq->read = i; spin_unlock(&rxq->lock); - if (fill_rx) - iwl_pcie_rx_replenish(trans, GFP_ATOMIC); - else - iwl_pcie_rxq_restock(trans); + /* + * handle a case where in emergency there are some unallocated RBDs. + * those RBDs are in the used list, but are not tracked by the queue's + * used_count which counts allocator owned RBDs. + * unallocated emergency RBDs must be allocated on exit, otherwise + * when called again the function may not be in emergency mode and + * they will be handed to the allocator with no tracking in the RBD + * allocator counters, which will lead to them never being claimed back + * by the queue. + * by allocating them here, they are now in the queue free list, and + * will be restocked by the next call of iwl_pcie_rxq_restock. + */ + if (unlikely(emergency && count)) + iwl_pcie_rxq_alloc_rbs(trans, GFP_ATOMIC); if (trans_pcie->napi.poll) napi_gro_flush(&trans_pcie->napi, false); @@ -772,6 +1077,7 @@ restart: static void iwl_pcie_irq_handle_error(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int i; /* W/A for WiFi/WiMAX coex and WiMAX own the RF */ if (trans->cfg->internal_wimax_coex && @@ -795,6 +1101,9 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans) iwl_trans_fw_error(trans); local_bh_enable(); + for (i = 0; i < trans->cfg->base_params->num_of_queues; i++) + del_timer(&trans_pcie->txq[i].stuck_timer); + clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); wake_up(&trans_pcie->wait_command_queue); } @@ -1003,7 +1312,9 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id) isr_stats->rfkill++; + mutex_lock(&trans_pcie->mutex); iwl_trans_pcie_rf_kill(trans, hw_rfkill); + mutex_unlock(&trans_pcie->mutex); if (hw_rfkill) { set_bit(STATUS_RFKILL, &trans->status); if (test_and_clear_bit(STATUS_SYNC_HCMD_ACTIVE, @@ -1195,8 +1506,9 @@ void iwl_pcie_reset_ict(struct iwl_trans *trans) val = trans_pcie->ict_tbl_dma >> ICT_SHIFT; - val |= CSR_DRAM_INT_TBL_ENABLE; - val |= CSR_DRAM_INIT_TBL_WRAP_CHECK; + val |= CSR_DRAM_INT_TBL_ENABLE | + CSR_DRAM_INIT_TBL_WRAP_CHECK | + CSR_DRAM_INIT_TBL_WRITE_POINTER; IWL_DEBUG_ISR(trans, "CSR_DRAM_INT_TBL_REG =0x%x\n", val); diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 9e144e71d..902834530 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -592,10 +592,8 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) do { ret = iwl_pcie_set_hw_ready(trans); - if (ret >= 0) { - ret = 0; - goto out; - } + if (ret >= 0) + return 0; usleep_range(200, 1000); t += 200; @@ -605,10 +603,6 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) IWL_ERR(trans, "Couldn't prepare the card\n"); -out: - iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG, - CSR_RESET_LINK_PWR_MGMT_DISABLED); - return ret; } @@ -780,8 +774,15 @@ static int iwl_pcie_load_cpu_sections_8000(struct iwl_trans *trans, for (i = *first_ucode_section; i < IWL_UCODE_SECTION_MAX; i++) { last_read_idx = i; + /* + * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between + * CPU1 to CPU2. + * PAGING_SEPARATOR_SECTION delimiter - separate between + * CPU2 non paged to CPU2 paging sec. + */ if (!image->sec[i].data || - image->sec[i].offset == CPU1_CPU2_SEPARATOR_SECTION) { + image->sec[i].offset == CPU1_CPU2_SEPARATOR_SECTION || + image->sec[i].offset == PAGING_SEPARATOR_SECTION) { IWL_DEBUG_FW(trans, "Break since Data not valid or Empty section, sec = %d\n", i); @@ -829,8 +830,15 @@ static int iwl_pcie_load_cpu_sections(struct iwl_trans *trans, for (i = *first_ucode_section; i < IWL_UCODE_SECTION_MAX; i++) { last_read_idx = i; + /* + * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between + * CPU1 to CPU2. + * PAGING_SEPARATOR_SECTION delimiter - separate between + * CPU2 non paged to CPU2 paging sec. + */ if (!image->sec[i].data || - image->sec[i].offset == CPU1_CPU2_SEPARATOR_SECTION) { + image->sec[i].offset == CPU1_CPU2_SEPARATOR_SECTION || + image->sec[i].offset == PAGING_SEPARATOR_SECTION) { IWL_DEBUG_FW(trans, "Break since Data not valid or Empty section, sec = %d\n", i); @@ -897,6 +905,14 @@ static void iwl_pcie_apply_destination(struct iwl_trans *trans) case PRPH_CLEARBIT: iwl_clear_bits_prph(trans, addr, BIT(val)); break; + case PRPH_BLOCKBIT: + if (iwl_read_prph(trans, addr) & BIT(val)) { + IWL_ERR(trans, + "BIT(%u) in address 0x%x is 1, stopping FW configuration\n", + val, addr); + goto monitor; + } + break; default: IWL_ERR(trans, "FW debug - unknown OP %d\n", dest->reg_ops[i].op); @@ -904,6 +920,7 @@ static void iwl_pcie_apply_destination(struct iwl_trans *trans) } } +monitor: if (dest->monitor_mode == EXTERNAL_MODE && trans_pcie->fw_mon_size) { iwl_write_prph(trans, le32_to_cpu(dest->base_reg), trans_pcie->fw_mon_phys >> dest->base_shift); @@ -998,13 +1015,25 @@ static int iwl_pcie_load_given_ucode_8000(struct iwl_trans *trans, static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, const struct fw_img *fw, bool run_in_rfkill) { - int ret; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); bool hw_rfkill; + int ret; + + mutex_lock(&trans_pcie->mutex); + + /* Someone called stop_device, don't try to start_fw */ + if (trans_pcie->is_down) { + IWL_WARN(trans, + "Can't start_fw since the HW hasn't been started\n"); + ret = EIO; + goto out; + } /* This may fail if AMT took ownership of the device */ if (iwl_pcie_prepare_card_hw(trans)) { IWL_WARN(trans, "Exit HW not ready\n"); - return -EIO; + ret = -EIO; + goto out; } iwl_enable_rfkill_int(trans); @@ -1016,15 +1045,17 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, else clear_bit(STATUS_RFKILL, &trans->status); iwl_trans_pcie_rf_kill(trans, hw_rfkill); - if (hw_rfkill && !run_in_rfkill) - return -ERFKILL; + if (hw_rfkill && !run_in_rfkill) { + ret = -ERFKILL; + goto out; + } iwl_write32(trans, CSR_INT, 0xFFFFFFFF); ret = iwl_pcie_nic_init(trans); if (ret) { IWL_ERR(trans, "Unable to init nic\n"); - return ret; + goto out; } /* make sure rfkill handshake bits are cleared */ @@ -1042,9 +1073,13 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans, /* Load the given image to the HW */ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) - return iwl_pcie_load_given_ucode_8000(trans, fw); + ret = iwl_pcie_load_given_ucode_8000(trans, fw); else - return iwl_pcie_load_given_ucode(trans, fw); + ret = iwl_pcie_load_given_ucode(trans, fw); + +out: + mutex_unlock(&trans_pcie->mutex); + return ret; } static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr) @@ -1053,11 +1088,18 @@ static void iwl_trans_pcie_fw_alive(struct iwl_trans *trans, u32 scd_addr) iwl_pcie_tx_start(trans, scd_addr); } -static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) +static void _iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); bool hw_rfkill, was_hw_rfkill; + lockdep_assert_held(&trans_pcie->mutex); + + if (trans_pcie->is_down) + return; + + trans_pcie->is_down = true; + was_hw_rfkill = iwl_is_rfkill_set(trans); /* tell the device to stop sending interrupts */ @@ -1147,14 +1189,36 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) iwl_pcie_prepare_card_hw(trans); } +static void iwl_trans_pcie_stop_device(struct iwl_trans *trans, bool low_power) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + mutex_lock(&trans_pcie->mutex); + _iwl_trans_pcie_stop_device(trans, low_power); + mutex_unlock(&trans_pcie->mutex); +} + void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state) { + struct iwl_trans_pcie __maybe_unused *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + lockdep_assert_held(&trans_pcie->mutex); + if (iwl_op_mode_hw_rf_kill(trans->op_mode, state)) - iwl_trans_pcie_stop_device(trans, true); + _iwl_trans_pcie_stop_device(trans, true); } static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + if (trans->wowlan_d0i3) { + /* Enable persistence mode to avoid reset */ + iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG, + CSR_HW_IF_CONFIG_REG_PERSIST_MODE); + } + iwl_disable_interrupts(trans); /* @@ -1166,17 +1230,21 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test) iwl_pcie_disable_ict(trans); + synchronize_irq(trans_pcie->pci_dev->irq); + iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); - /* - * reset TX queues -- some of their registers reset during S3 - * so if we don't reset everything here the D3 image would try - * to execute some invalid memory upon resume - */ - iwl_trans_pcie_tx_reset(trans); + if (!trans->wowlan_d0i3) { + /* + * reset TX queues -- some of their registers reset during S3 + * so if we don't reset everything here the D3 image would try + * to execute some invalid memory upon resume + */ + iwl_trans_pcie_tx_reset(trans); + } iwl_pcie_set_pwr(trans, true); } @@ -1218,12 +1286,18 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, iwl_pcie_set_pwr(trans, false); - iwl_trans_pcie_tx_reset(trans); + if (trans->wowlan_d0i3) { + iwl_clear_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); + } else { + iwl_trans_pcie_tx_reset(trans); - ret = iwl_pcie_rx_init(trans); - if (ret) { - IWL_ERR(trans, "Failed to resume the device (RX reset)\n"); - return ret; + ret = iwl_pcie_rx_init(trans); + if (ret) { + IWL_ERR(trans, + "Failed to resume the device (RX reset)\n"); + return ret; + } } val = iwl_read32(trans, CSR_RESET); @@ -1235,11 +1309,14 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return 0; } -static int iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) +static int _iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); bool hw_rfkill; int err; + lockdep_assert_held(&trans_pcie->mutex); + err = iwl_pcie_prepare_card_hw(trans); if (err) { IWL_ERR(trans, "Error while preparing HW: %d\n", err); @@ -1256,20 +1333,38 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) /* From now on, the op_mode will be kept updated about RF kill state */ iwl_enable_rfkill_int(trans); + /* Set is_down to false here so that...*/ + trans_pcie->is_down = false; + hw_rfkill = iwl_is_rfkill_set(trans); if (hw_rfkill) set_bit(STATUS_RFKILL, &trans->status); else clear_bit(STATUS_RFKILL, &trans->status); + /* ... rfkill can call stop_device and set it false if needed */ iwl_trans_pcie_rf_kill(trans, hw_rfkill); return 0; } +static int iwl_trans_pcie_start_hw(struct iwl_trans *trans, bool low_power) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int ret; + + mutex_lock(&trans_pcie->mutex); + ret = _iwl_trans_pcie_start_hw(trans, low_power); + mutex_unlock(&trans_pcie->mutex); + + return ret; +} + static void iwl_trans_pcie_op_mode_leave(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + mutex_lock(&trans_pcie->mutex); + /* disable interrupts - don't enable HW RF kill interrupt */ spin_lock(&trans_pcie->irq_lock); iwl_disable_interrupts(trans); @@ -1282,6 +1377,10 @@ static void iwl_trans_pcie_op_mode_leave(struct iwl_trans *trans) spin_unlock(&trans_pcie->irq_lock); iwl_pcie_disable_ict(trans); + + mutex_unlock(&trans_pcie->mutex); + + synchronize_irq(trans_pcie->pci_dev->irq); } static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val) @@ -1342,6 +1441,7 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, else trans_pcie->rx_page_order = get_order(4 * 1024); + trans_pcie->wide_cmd_header = trans_cfg->wide_cmd_header; trans_pcie->command_names = trans_cfg->command_names; trans_pcie->bc_table_dword = trans_cfg->bc_table_dword; trans_pcie->scd_set_active = trans_cfg->scd_set_active; @@ -1354,11 +1454,10 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, * As this function may be called again in some corner cases don't * do anything if NAPI was already initialized. */ - if (!trans_pcie->napi.poll && trans->op_mode->ops->napi_add) { + if (!trans_pcie->napi.poll) { init_dummy_netdev(&trans_pcie->napi_dev); - iwl_op_mode_napi_add(trans->op_mode, &trans_pcie->napi, - &trans_pcie->napi_dev, - iwl_pcie_dummy_napi_poll, 64); + netif_napi_add(&trans_pcie->napi_dev, &trans_pcie->napi, + iwl_pcie_dummy_napi_poll, 64); } } @@ -2185,6 +2284,47 @@ static u32 iwl_trans_pcie_dump_prph(struct iwl_trans *trans, return prph_len; } +static u32 iwl_trans_pcie_dump_rbs(struct iwl_trans *trans, + struct iwl_fw_error_dump_data **data, + int allocated_rb_nums) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int max_len = PAGE_SIZE << trans_pcie->rx_page_order; + struct iwl_rxq *rxq = &trans_pcie->rxq; + u32 i, r, j, rb_len = 0; + + spin_lock(&rxq->lock); + + r = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; + + for (i = rxq->read, j = 0; + i != r && j < allocated_rb_nums; + i = (i + 1) & RX_QUEUE_MASK, j++) { + struct iwl_rx_mem_buffer *rxb = rxq->queue[i]; + struct iwl_fw_error_dump_rb *rb; + + dma_unmap_page(trans->dev, rxb->page_dma, max_len, + DMA_FROM_DEVICE); + + rb_len += sizeof(**data) + sizeof(*rb) + max_len; + + (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RB); + (*data)->len = cpu_to_le32(sizeof(*rb) + max_len); + rb = (void *)(*data)->data; + rb->index = cpu_to_le32(i); + memcpy(rb->data, page_address(rxb->page), max_len); + /* remap the page for the free benefit */ + rxb->page_dma = dma_map_page(trans->dev, rxb->page, 0, + max_len, + DMA_FROM_DEVICE); + + *data = iwl_fw_error_next_data(*data); + } + + spin_unlock(&rxq->lock); + + return rb_len; +} #define IWL_CSR_TO_DUMP (0x250) static u32 iwl_trans_pcie_dump_csr(struct iwl_trans *trans, @@ -2254,17 +2394,97 @@ iwl_trans_pci_dump_marbh_monitor(struct iwl_trans *trans, return monitor_len; } -static -struct iwl_trans_dump_data *iwl_trans_pcie_dump_data(struct iwl_trans *trans) +static u32 +iwl_trans_pcie_dump_monitor(struct iwl_trans *trans, + struct iwl_fw_error_dump_data **data, + u32 monitor_len) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + u32 len = 0; + + if ((trans_pcie->fw_mon_page && + trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) || + trans->dbg_dest_tlv) { + struct iwl_fw_error_dump_fw_mon *fw_mon_data; + u32 base, write_ptr, wrap_cnt; + + /* If there was a dest TLV - use the values from there */ + if (trans->dbg_dest_tlv) { + write_ptr = + le32_to_cpu(trans->dbg_dest_tlv->write_ptr_reg); + wrap_cnt = le32_to_cpu(trans->dbg_dest_tlv->wrap_count); + base = le32_to_cpu(trans->dbg_dest_tlv->base_reg); + } else { + base = MON_BUFF_BASE_ADDR; + write_ptr = MON_BUFF_WRPTR; + wrap_cnt = MON_BUFF_CYCLE_CNT; + } + + (*data)->type = cpu_to_le32(IWL_FW_ERROR_DUMP_FW_MONITOR); + fw_mon_data = (void *)(*data)->data; + fw_mon_data->fw_mon_wr_ptr = + cpu_to_le32(iwl_read_prph(trans, write_ptr)); + fw_mon_data->fw_mon_cycle_cnt = + cpu_to_le32(iwl_read_prph(trans, wrap_cnt)); + fw_mon_data->fw_mon_base_ptr = + cpu_to_le32(iwl_read_prph(trans, base)); + + len += sizeof(**data) + sizeof(*fw_mon_data); + if (trans_pcie->fw_mon_page) { + /* + * The firmware is now asserted, it won't write anything + * to the buffer. CPU can take ownership to fetch the + * data. The buffer will be handed back to the device + * before the firmware will be restarted. + */ + dma_sync_single_for_cpu(trans->dev, + trans_pcie->fw_mon_phys, + trans_pcie->fw_mon_size, + DMA_FROM_DEVICE); + memcpy(fw_mon_data->data, + page_address(trans_pcie->fw_mon_page), + trans_pcie->fw_mon_size); + + monitor_len = trans_pcie->fw_mon_size; + } else if (trans->dbg_dest_tlv->monitor_mode == SMEM_MODE) { + /* + * Update pointers to reflect actual values after + * shifting + */ + base = iwl_read_prph(trans, base) << + trans->dbg_dest_tlv->base_shift; + iwl_trans_read_mem(trans, base, fw_mon_data->data, + monitor_len / sizeof(u32)); + } else if (trans->dbg_dest_tlv->monitor_mode == MARBH_MODE) { + monitor_len = + iwl_trans_pci_dump_marbh_monitor(trans, + fw_mon_data, + monitor_len); + } else { + /* Didn't match anything - output no monitor data */ + monitor_len = 0; + } + + len += monitor_len; + (*data)->len = cpu_to_le32(monitor_len + sizeof(*fw_mon_data)); + } + + return len; +} + +static struct iwl_trans_dump_data +*iwl_trans_pcie_dump_data(struct iwl_trans *trans, + struct iwl_fw_dbg_trigger_tlv *trigger) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_fw_error_dump_data *data; struct iwl_txq *cmdq = &trans_pcie->txq[trans_pcie->cmd_queue]; struct iwl_fw_error_dump_txcmd *txcmd; struct iwl_trans_dump_data *dump_data; - u32 len; + u32 len, num_rbs; u32 monitor_len; int i, ptr; + bool dump_rbs = test_bit(STATUS_FW_ERROR, &trans->status); /* transport dump header */ len = sizeof(*dump_data); @@ -2273,22 +2493,6 @@ struct iwl_trans_dump_data *iwl_trans_pcie_dump_data(struct iwl_trans *trans) len += sizeof(*data) + cmdq->q.n_window * (sizeof(*txcmd) + TFD_MAX_PAYLOAD_SIZE); - /* CSR registers */ - len += sizeof(*data) + IWL_CSR_TO_DUMP; - - /* PRPH registers */ - for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) { - /* The range includes both boundaries */ - int num_bytes_in_chunk = iwl_prph_dump_addr[i].end - - iwl_prph_dump_addr[i].start + 4; - - len += sizeof(*data) + sizeof(struct iwl_fw_error_dump_prph) + - num_bytes_in_chunk; - } - - /* FH registers */ - len += sizeof(*data) + (FH_MEM_UPPER_BOUND - FH_MEM_LOWER_BOUND); - /* FW monitor */ if (trans_pcie->fw_mon_page) { len += sizeof(*data) + sizeof(struct iwl_fw_error_dump_fw_mon) + @@ -2316,6 +2520,45 @@ struct iwl_trans_dump_data *iwl_trans_pcie_dump_data(struct iwl_trans *trans) monitor_len = 0; } + if (trigger && (trigger->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY)) { + dump_data = vzalloc(len); + if (!dump_data) + return NULL; + + data = (void *)dump_data->data; + len = iwl_trans_pcie_dump_monitor(trans, &data, monitor_len); + dump_data->len = len; + + return dump_data; + } + + /* CSR registers */ + len += sizeof(*data) + IWL_CSR_TO_DUMP; + + /* PRPH registers */ + for (i = 0; i < ARRAY_SIZE(iwl_prph_dump_addr); i++) { + /* The range includes both boundaries */ + int num_bytes_in_chunk = iwl_prph_dump_addr[i].end - + iwl_prph_dump_addr[i].start + 4; + + len += sizeof(*data) + sizeof(struct iwl_fw_error_dump_prph) + + num_bytes_in_chunk; + } + + /* FH registers */ + len += sizeof(*data) + (FH_MEM_UPPER_BOUND - FH_MEM_LOWER_BOUND); + + if (dump_rbs) { + /* RBs */ + num_rbs = le16_to_cpu(ACCESS_ONCE( + trans_pcie->rxq.rb_stts->closed_rb_num)) + & 0x0FFF; + num_rbs = (num_rbs - trans_pcie->rxq.read) & RX_QUEUE_MASK; + len += num_rbs * (sizeof(*data) + + sizeof(struct iwl_fw_error_dump_rb) + + (PAGE_SIZE << trans_pcie->rx_page_order)); + } + dump_data = vzalloc(len); if (!dump_data) return NULL; @@ -2352,74 +2595,10 @@ struct iwl_trans_dump_data *iwl_trans_pcie_dump_data(struct iwl_trans *trans) len += iwl_trans_pcie_dump_prph(trans, &data); len += iwl_trans_pcie_dump_csr(trans, &data); len += iwl_trans_pcie_fh_regs_dump(trans, &data); - /* data is already pointing to the next section */ - - if ((trans_pcie->fw_mon_page && - trans->cfg->device_family == IWL_DEVICE_FAMILY_7000) || - trans->dbg_dest_tlv) { - struct iwl_fw_error_dump_fw_mon *fw_mon_data; - u32 base, write_ptr, wrap_cnt; - - /* If there was a dest TLV - use the values from there */ - if (trans->dbg_dest_tlv) { - write_ptr = - le32_to_cpu(trans->dbg_dest_tlv->write_ptr_reg); - wrap_cnt = le32_to_cpu(trans->dbg_dest_tlv->wrap_count); - base = le32_to_cpu(trans->dbg_dest_tlv->base_reg); - } else { - base = MON_BUFF_BASE_ADDR; - write_ptr = MON_BUFF_WRPTR; - wrap_cnt = MON_BUFF_CYCLE_CNT; - } - - data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_FW_MONITOR); - fw_mon_data = (void *)data->data; - fw_mon_data->fw_mon_wr_ptr = - cpu_to_le32(iwl_read_prph(trans, write_ptr)); - fw_mon_data->fw_mon_cycle_cnt = - cpu_to_le32(iwl_read_prph(trans, wrap_cnt)); - fw_mon_data->fw_mon_base_ptr = - cpu_to_le32(iwl_read_prph(trans, base)); - - len += sizeof(*data) + sizeof(*fw_mon_data); - if (trans_pcie->fw_mon_page) { - /* - * The firmware is now asserted, it won't write anything - * to the buffer. CPU can take ownership to fetch the - * data. The buffer will be handed back to the device - * before the firmware will be restarted. - */ - dma_sync_single_for_cpu(trans->dev, - trans_pcie->fw_mon_phys, - trans_pcie->fw_mon_size, - DMA_FROM_DEVICE); - memcpy(fw_mon_data->data, - page_address(trans_pcie->fw_mon_page), - trans_pcie->fw_mon_size); - - monitor_len = trans_pcie->fw_mon_size; - } else if (trans->dbg_dest_tlv->monitor_mode == SMEM_MODE) { - /* - * Update pointers to reflect actual values after - * shifting - */ - base = iwl_read_prph(trans, base) << - trans->dbg_dest_tlv->base_shift; - iwl_trans_read_mem(trans, base, fw_mon_data->data, - monitor_len / sizeof(u32)); - } else if (trans->dbg_dest_tlv->monitor_mode == MARBH_MODE) { - monitor_len = - iwl_trans_pci_dump_marbh_monitor(trans, - fw_mon_data, - monitor_len); - } else { - /* Didn't match anything - output no monitor data */ - monitor_len = 0; - } + if (dump_rbs) + len += iwl_trans_pcie_dump_rbs(trans, &data, num_rbs); - len += monitor_len; - data->len = cpu_to_le32(monitor_len + sizeof(*fw_mon_data)); - } + len += iwl_trans_pcie_dump_monitor(trans, &data, monitor_len); dump_data->len = len; @@ -2482,12 +2661,15 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, if (!trans) return ERR_PTR(-ENOMEM); + trans->max_skb_frags = IWL_PCIE_MAX_FRAGS; + trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); trans_pcie->trans = trans; spin_lock_init(&trans_pcie->irq_lock); spin_lock_init(&trans_pcie->reg_lock); spin_lock_init(&trans_pcie->ref_lock); + mutex_init(&trans_pcie->mutex); init_waitqueue_head(&trans_pcie->ucode_write_waitq); ret = pci_enable_device(pdev); diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 607acb53c..a8c8a4a74 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -219,8 +219,6 @@ static void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans, scd_bc_tbl = trans_pcie->scd_bc_tbls.addr; - WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX); - sta_id = tx_cmd->sta_id; sec_ctl = tx_cmd->sec_ctl; @@ -239,6 +237,9 @@ static void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans, if (trans_pcie->bc_table_dword) len = DIV_ROUND_UP(len, 4); + if (WARN_ON(len > 0xFFF || write_ptr >= TFD_QUEUE_SIZE_MAX)) + return; + bc_ent = cpu_to_le16(len | (sta_id << 12)); scd_bc_tbl[txq_id].tfd_offset[write_ptr] = bc_ent; @@ -387,11 +388,18 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, /* first TB is never freed - it's the scratchbuf data */ - for (i = 1; i < num_tbs; i++) - dma_unmap_single(trans->dev, iwl_pcie_tfd_tb_get_addr(tfd, i), - iwl_pcie_tfd_tb_get_len(tfd, i), - DMA_TO_DEVICE); - + for (i = 1; i < num_tbs; i++) { + if (meta->flags & BIT(i + CMD_TB_BITMAP_POS)) + dma_unmap_page(trans->dev, + iwl_pcie_tfd_tb_get_addr(tfd, i), + iwl_pcie_tfd_tb_get_len(tfd, i), + DMA_TO_DEVICE); + else + dma_unmap_single(trans->dev, + iwl_pcie_tfd_tb_get_addr(tfd, i), + iwl_pcie_tfd_tb_get_len(tfd, i), + DMA_TO_DEVICE); + } tfd->num_tbs = 0; } @@ -467,7 +475,7 @@ static int iwl_pcie_txq_build_tfd(struct iwl_trans *trans, struct iwl_txq *txq, iwl_pcie_tfd_set_tb(tfd, num_tbs, addr, len); - return 0; + return num_tbs; } static int iwl_pcie_txq_alloc(struct iwl_trans *trans, @@ -915,6 +923,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) } } + iwl_set_bits_prph(trans, SCD_GP_CTRL, SCD_GP_CTRL_AUTO_ACTIVE_MODE); if (trans->cfg->base_params->num_of_queues > 20) iwl_set_bits_prph(trans, SCD_GP_CTRL, SCD_GP_CTRL_ENABLE_31_QUEUES); @@ -1320,13 +1329,24 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, int idx; u16 copy_size, cmd_size, scratch_size; bool had_nocopy = false; + u8 group_id = iwl_cmd_groupid(cmd->id); int i, ret; u32 cmd_pos; const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD]; u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD]; - copy_size = sizeof(out_cmd->hdr); - cmd_size = sizeof(out_cmd->hdr); + if (WARN(!trans_pcie->wide_cmd_header && + group_id > IWL_ALWAYS_LONG_GROUP, + "unsupported wide command %#x\n", cmd->id)) + return -EINVAL; + + if (group_id != 0) { + copy_size = sizeof(struct iwl_cmd_header_wide); + cmd_size = sizeof(struct iwl_cmd_header_wide); + } else { + copy_size = sizeof(struct iwl_cmd_header); + cmd_size = sizeof(struct iwl_cmd_header); + } /* need one for the header if the first is NOCOPY */ BUILD_BUG_ON(IWL_MAX_CMD_TBS_PER_TFD > IWL_NUM_OF_TBS - 1); @@ -1416,16 +1436,32 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, out_meta->source = cmd; /* set up the header */ - - out_cmd->hdr.cmd = cmd->id; - out_cmd->hdr.flags = 0; - out_cmd->hdr.sequence = - cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) | - INDEX_TO_SEQ(q->write_ptr)); + if (group_id != 0) { + out_cmd->hdr_wide.cmd = iwl_cmd_opcode(cmd->id); + out_cmd->hdr_wide.group_id = group_id; + out_cmd->hdr_wide.version = iwl_cmd_version(cmd->id); + out_cmd->hdr_wide.length = + cpu_to_le16(cmd_size - + sizeof(struct iwl_cmd_header_wide)); + out_cmd->hdr_wide.reserved = 0; + out_cmd->hdr_wide.sequence = + cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) | + INDEX_TO_SEQ(q->write_ptr)); + + cmd_pos = sizeof(struct iwl_cmd_header_wide); + copy_size = sizeof(struct iwl_cmd_header_wide); + } else { + out_cmd->hdr.cmd = iwl_cmd_opcode(cmd->id); + out_cmd->hdr.sequence = + cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) | + INDEX_TO_SEQ(q->write_ptr)); + out_cmd->hdr.group_id = 0; + + cmd_pos = sizeof(struct iwl_cmd_header); + copy_size = sizeof(struct iwl_cmd_header); + } /* and copy the data that needs to be copied */ - cmd_pos = offsetof(struct iwl_device_cmd, payload); - copy_size = sizeof(out_cmd->hdr); for (i = 0; i < IWL_MAX_CMD_TBS_PER_TFD; i++) { int copy; @@ -1464,9 +1500,10 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, } IWL_DEBUG_HC(trans, - "Sending command %s (#%x), seq: 0x%04X, %d bytes at %d[%d]:%d\n", + "Sending command %s (%.2x.%.2x), seq: 0x%04X, %d bytes at %d[%d]:%d\n", get_cmd_string(trans_pcie, out_cmd->hdr.cmd), - out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence), + group_id, out_cmd->hdr.cmd, + le16_to_cpu(out_cmd->hdr.sequence), cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue); /* start the TFD with the scratchbuf */ @@ -1516,12 +1553,14 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, iwl_pcie_txq_build_tfd(trans, txq, phys_addr, cmdlen[i], false); } + BUILD_BUG_ON(IWL_NUM_OF_TBS + CMD_TB_BITMAP_POS > + sizeof(out_meta->flags) * BITS_PER_BYTE); out_meta->flags = cmd->flags; if (WARN_ON_ONCE(txq->entries[idx].free_buf)) kzfree(txq->entries[idx].free_buf); txq->entries[idx].free_buf = dup_buf; - trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr); + trace_iwlwifi_dev_hcmd(trans->dev, cmd, cmd_size, &out_cmd->hdr_wide); /* start timer if queue currently empty */ if (q->read_ptr == q->write_ptr && txq->wd_timeout) @@ -1552,15 +1591,13 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, /* * iwl_pcie_hcmd_complete - Pull unused buffers off the queue and reclaim them * @rxb: Rx buffer to reclaim - * @handler_status: return value of the handler of the command - * (put in setup_rx_handlers) * * If an Rx buffer has an async callback associated with it the callback * will be executed. The attached skb (if present) will only be freed * if the callback returns 1 */ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, - struct iwl_rx_cmd_buffer *rxb, int handler_status) + struct iwl_rx_cmd_buffer *rxb) { struct iwl_rx_packet *pkt = rxb_addr(rxb); u16 sequence = le16_to_cpu(pkt->hdr.sequence); @@ -1599,7 +1636,6 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans, meta->source->resp_pkt = pkt; meta->source->_rx_page_addr = (unsigned long)page_address(p); meta->source->_rx_page_order = trans_pcie->rx_page_order; - meta->source->handler_status = handler_status; } iwl_pcie_cmdq_reclaim(trans, txq_id, index); @@ -1762,7 +1798,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, struct iwl_device_cmd *dev_cmd, int txq_id) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + struct ieee80211_hdr *hdr; struct iwl_tx_cmd *tx_cmd = (struct iwl_tx_cmd *)dev_cmd->payload; struct iwl_cmd_meta *out_meta; struct iwl_txq *txq; @@ -1771,9 +1807,10 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, void *tb1_addr; u16 len, tb1_len, tb2_len; bool wait_write_ptr; - __le16 fc = hdr->frame_control; - u8 hdr_len = ieee80211_hdrlen(fc); + __le16 fc; + u8 hdr_len; u16 wifi_seq; + int i; txq = &trans_pcie->txq[txq_id]; q = &txq->q; @@ -1782,6 +1819,18 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, "TX on unused queue %d\n", txq_id)) return -EINVAL; + if (skb_is_nonlinear(skb) && + skb_shinfo(skb)->nr_frags > IWL_PCIE_MAX_FRAGS && + __skb_linearize(skb)) + return -ENOMEM; + + /* mac80211 always puts the full header into the SKB's head, + * so there's no need to check if it's readable there + */ + hdr = (struct ieee80211_hdr *)skb->data; + fc = hdr->frame_control; + hdr_len = ieee80211_hdrlen(fc); + spin_lock(&txq->lock); /* In AGG mode, the index in the ring must correspond to the WiFi @@ -1812,6 +1861,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* Set up first empty entry in queue's array of Tx/cmd buffers */ out_meta = &txq->entries[q->write_ptr].meta; + out_meta->flags = 0; /* * The second TB (tb1) points to the remainder of the TX command @@ -1845,9 +1895,9 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* * Set up TFD's third entry to point directly to remainder - * of skb, if any (802.11 null frames have no payload). + * of skb's head, if any */ - tb2_len = skb->len - hdr_len; + tb2_len = skb_headlen(skb) - hdr_len; if (tb2_len > 0) { dma_addr_t tb2_phys = dma_map_single(trans->dev, skb->data + hdr_len, @@ -1860,6 +1910,29 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, iwl_pcie_txq_build_tfd(trans, txq, tb2_phys, tb2_len, false); } + /* set up the remaining entries to point to the data */ + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + dma_addr_t tb_phys; + int tb_idx; + + if (!skb_frag_size(frag)) + continue; + + tb_phys = skb_frag_dma_map(trans->dev, frag, 0, + skb_frag_size(frag), DMA_TO_DEVICE); + + if (unlikely(dma_mapping_error(trans->dev, tb_phys))) { + iwl_pcie_tfd_unmap(trans, out_meta, + &txq->tfds[q->write_ptr]); + goto out_err; + } + tb_idx = iwl_pcie_txq_build_tfd(trans, txq, tb_phys, + skb_frag_size(frag), false); + + out_meta->flags |= BIT(tb_idx + CMD_TB_BITMAP_POS); + } + /* Set up entry for this TFD in Tx byte-count array */ iwl_pcie_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len)); @@ -1869,7 +1942,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, &dev_cmd->hdr, IWL_HCMD_SCRATCHBUF_SIZE + tb1_len, skb->data + hdr_len, tb2_len); trace_iwlwifi_dev_tx_data(trans->dev, skb, - skb->data + hdr_len, tb2_len); + hdr_len, skb->len - hdr_len); wait_write_ptr = ieee80211_has_morefrags(fc); |