diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/rx.c | 612 |
1 files changed, 0 insertions, 612 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c deleted file mode 100644 index 5b58f5320..000000000 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ /dev/null @@ -1,612 +0,0 @@ -/****************************************************************************** - * - * 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) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 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 - * 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) 2012 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2013 - 2015 Intel Mobile Communications 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 <linux/skbuff.h> -#include "iwl-trans.h" -#include "mvm.h" -#include "fw-api.h" - -/* - * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler - * - * 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. - */ -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); - - memcpy(&mvm->last_phy_info, pkt->data, sizeof(mvm->last_phy_info)); - mvm->ampdu_ref++; - -#ifdef CONFIG_IWLWIFI_DEBUGFS - if (mvm->last_phy_info.phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { - spin_lock(&mvm->drv_stats_lock); - mvm->drv_rx_stats.ampdu_count++; - spin_unlock(&mvm->drv_stats_lock); - } -#endif -} - -/* - * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211 - * - * 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, - struct iwl_rx_cmd_buffer *rxb) -{ - unsigned int hdrlen, fraglen; - - /* If frame is small enough to fit in skb->head, pull it completely. - * If not, only pull ieee80211_hdr (including crypto if present, and - * an additional 8 bytes for SNAP/ethertype, see below) so that - * splice() or TCP coalesce are more efficient. - * - * Since, in addition, ieee80211_data_to_8023() always pull in at - * least 8 bytes (possibly more for mesh) we can do the same here - * to save the cost of doing it later. That still doesn't pull in - * the actual IP header since the typical case has a SNAP header. - * If the latter changes (there are efforts in the standards group - * to do so) we should revisit this and ieee80211_data_to_8023(). - */ - hdrlen = (len <= skb_tailroom(skb)) ? len : - sizeof(*hdr) + crypt_len + 8; - - memcpy(skb_put(skb, hdrlen), hdr, hdrlen); - fraglen = len - hdrlen; - - if (fraglen) { - int offset = (void *)hdr + hdrlen - - rxb_addr(rxb) + rxb_offset(rxb); - - skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset, - fraglen, rxb->truesize); - } - - ieee80211_rx_napi(mvm->hw, skb, napi); -} - -/* - * iwl_mvm_get_signal_strength - use new rx PHY INFO API - * values are reported by the fw as positive values - need to negate - * to obtain their dBM. Account for missing antennas by replacing 0 - * values by -256dBm: practically 0 power and a non-feasible 8 bit value. - */ -static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, - struct iwl_rx_phy_info *phy_info, - struct ieee80211_rx_status *rx_status) -{ - int energy_a, energy_b, energy_c, max_energy; - u32 val; - - val = - le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_ENERGY_ANT_ABC_IDX]); - energy_a = (val & IWL_RX_INFO_ENERGY_ANT_A_MSK) >> - IWL_RX_INFO_ENERGY_ANT_A_POS; - energy_a = energy_a ? -energy_a : S8_MIN; - energy_b = (val & IWL_RX_INFO_ENERGY_ANT_B_MSK) >> - IWL_RX_INFO_ENERGY_ANT_B_POS; - energy_b = energy_b ? -energy_b : S8_MIN; - energy_c = (val & IWL_RX_INFO_ENERGY_ANT_C_MSK) >> - IWL_RX_INFO_ENERGY_ANT_C_POS; - energy_c = energy_c ? -energy_c : S8_MIN; - max_energy = max(energy_a, energy_b); - max_energy = max(max_energy, energy_c); - - IWL_DEBUG_STATS(mvm, "energy In A %d B %d C %d , and max %d\n", - energy_a, energy_b, energy_c, max_energy); - - rx_status->signal = max_energy; - rx_status->chains = (le16_to_cpu(phy_info->phy_flags) & - RX_RES_PHY_FLAGS_ANTENNA) - >> RX_RES_PHY_FLAGS_ANTENNA_POS; - rx_status->chain_signal[0] = energy_a; - rx_status->chain_signal[1] = energy_b; - rx_status->chain_signal[2] = energy_c; -} - -/* - * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format - * @mvm: the mvm object - * @hdr: 80211 header - * @stats: status in mac80211's format - * @rx_pkt_status: status coming from fw - * - * returns non 0 value if the packet should be dropped - */ -static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, - struct ieee80211_hdr *hdr, - struct ieee80211_rx_status *stats, - u32 rx_pkt_status, - u8 *crypt_len) -{ - if (!ieee80211_has_protected(hdr->frame_control) || - (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == - RX_MPDU_RES_STATUS_SEC_NO_ENC) - return 0; - - /* packet was encrypted with unknown alg */ - if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == - RX_MPDU_RES_STATUS_SEC_ENC_ERR) - return 0; - - switch (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) { - case RX_MPDU_RES_STATUS_SEC_CCM_ENC: - /* alg is CCM: check MIC only */ - if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK)) - return -1; - - stats->flag |= RX_FLAG_DECRYPTED; - *crypt_len = IEEE80211_CCMP_HDR_LEN; - return 0; - - case RX_MPDU_RES_STATUS_SEC_TKIP_ENC: - /* Don't drop the frame and decrypt it in SW */ - if (!(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK)) - return 0; - *crypt_len = IEEE80211_TKIP_IV_LEN; - /* fall through if TTAK OK */ - - case RX_MPDU_RES_STATUS_SEC_WEP_ENC: - if (!(rx_pkt_status & RX_MPDU_RES_STATUS_ICV_OK)) - return -1; - - stats->flag |= RX_FLAG_DECRYPTED; - if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == - RX_MPDU_RES_STATUS_SEC_WEP_ENC) - *crypt_len = IEEE80211_WEP_IV_LEN; - return 0; - - case RX_MPDU_RES_STATUS_SEC_EXT_ENC: - if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK)) - return -1; - stats->flag |= RX_FLAG_DECRYPTED; - return 0; - - default: - IWL_ERR(mvm, "Unhandled alg: 0x%x\n", rx_pkt_status); - } - - 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 - */ -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; - struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_rx_phy_info *phy_info; - struct iwl_rx_mpdu_res_start *rx_res; - struct ieee80211_sta *sta; - struct sk_buff *skb; - u32 len; - u32 ampdu_status; - u32 rate_n_flags; - u32 rx_pkt_status; - u8 crypt_len = 0; - - phy_info = &mvm->last_phy_info; - rx_res = (struct iwl_rx_mpdu_res_start *)pkt->data; - hdr = (struct ieee80211_hdr *)(pkt->data + sizeof(*rx_res)); - len = le16_to_cpu(rx_res->byte_count); - rx_pkt_status = le32_to_cpup((__le32 *) - (pkt->data + sizeof(*rx_res) + len)); - - /* Dont use dev_alloc_skb(), we'll have enough headroom once - * ieee80211_hdr pulled. - */ - skb = alloc_skb(128, GFP_ATOMIC); - if (!skb) { - IWL_ERR(mvm, "alloc_skb failed\n"); - return; - } - - rx_status = IEEE80211_SKB_RXCB(skb); - - /* - * drop the packet if it has failed being decrypted by HW - */ - if (iwl_mvm_set_mac80211_rx_flag(mvm, hdr, rx_status, rx_pkt_status, - &crypt_len)) { - IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n", - rx_pkt_status); - kfree_skb(skb); - return; - } - - /* - * Keep packets with CRC errors (and with overrun) for monitor mode - * (otherwise the firmware discards them) but mark them as bad. - */ - if (!(rx_pkt_status & RX_MPDU_RES_STATUS_CRC_OK) || - !(rx_pkt_status & RX_MPDU_RES_STATUS_OVERRUN_OK)) { - IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status); - rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; - } - - /* This will be used in several places later */ - rate_n_flags = le32_to_cpu(phy_info->rate_n_flags); - - /* rx_status carries information about the packet to mac80211 */ - rx_status->mactime = le64_to_cpu(phy_info->timestamp); - rx_status->device_timestamp = le32_to_cpu(phy_info->system_timestamp); - rx_status->band = - (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; - rx_status->freq = - ieee80211_channel_to_frequency(le16_to_cpu(phy_info->channel), - rx_status->band); - /* - * TSF as indicated by the fw is at INA time, but mac80211 expects the - * TSF at the beginning of the MPDU. - */ - /*rx_status->flag |= RX_FLAG_MACTIME_MPDU;*/ - - iwl_mvm_get_signal_strength(mvm, phy_info, rx_status); - - IWL_DEBUG_STATS_LIMIT(mvm, "Rssi %d, TSF %llu\n", rx_status->signal, - (unsigned long long)rx_status->mactime); - - rcu_read_lock(); - /* - * We have tx blocked stations (with CS bit). If we heard frames from - * a blocked station on a new channel we can TX to it again. - */ - if (unlikely(mvm->csa_tx_block_bcn_timeout)) { - sta = ieee80211_find_sta( - rcu_dereference(mvm->csa_tx_blocked_vif), hdr->addr2); - if (sta) - iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); - } - - /* This is fine since we don't support multiple AP interfaces */ - sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL); - if (sta) { - struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - - rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); - - if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) && - ieee80211_is_beacon(hdr->frame_control)) { - struct iwl_fw_dbg_trigger_tlv *trig; - struct iwl_fw_dbg_trigger_low_rssi *rssi_trig; - bool trig_check; - s32 rssi; - - trig = iwl_fw_dbg_get_trigger(mvm->fw, - FW_DBG_TRIGGER_RSSI); - rssi_trig = (void *)trig->data; - rssi = le32_to_cpu(rssi_trig->rssi); - - trig_check = - iwl_fw_dbg_trigger_check_stop(mvm, mvmsta->vif, - trig); - if (trig_check && rx_status->signal < rssi) - iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL); - } - } - - 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 */ - if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE)) - rx_status->flag |= RX_FLAG_SHORTPRE; - - if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { - /* - * We know which subframes of an A-MPDU belong - * together since we get a single PHY response - * from the firmware for all of them - */ - rx_status->flag |= RX_FLAG_AMPDU_DETAILS; - rx_status->ampdu_reference = mvm->ampdu_ref; - } - - /* Set up the HT phy flags */ - switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { - case RATE_MCS_CHAN_WIDTH_20: - break; - case RATE_MCS_CHAN_WIDTH_40: - rx_status->flag |= RX_FLAG_40MHZ; - break; - case RATE_MCS_CHAN_WIDTH_80: - rx_status->vht_flag |= RX_VHT_FLAG_80MHZ; - break; - case RATE_MCS_CHAN_WIDTH_160: - rx_status->vht_flag |= RX_VHT_FLAG_160MHZ; - break; - } - if (rate_n_flags & RATE_MCS_SGI_MSK) - rx_status->flag |= RX_FLAG_SHORT_GI; - if (rate_n_flags & RATE_HT_MCS_GF_MSK) - rx_status->flag |= RX_FLAG_HT_GF; - if (rate_n_flags & RATE_MCS_LDPC_MSK) - rx_status->flag |= RX_FLAG_LDPC; - if (rate_n_flags & RATE_MCS_HT_MSK) { - u8 stbc = (rate_n_flags & RATE_MCS_HT_STBC_MSK) >> - RATE_MCS_STBC_POS; - rx_status->flag |= RX_FLAG_HT; - rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK; - rx_status->flag |= stbc << RX_FLAG_STBC_SHIFT; - } else if (rate_n_flags & RATE_MCS_VHT_MSK) { - u8 stbc = (rate_n_flags & RATE_MCS_VHT_STBC_MSK) >> - RATE_MCS_STBC_POS; - rx_status->vht_nss = - ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> - RATE_VHT_MCS_NSS_POS) + 1; - rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; - rx_status->flag |= RX_FLAG_VHT; - rx_status->flag |= stbc << RX_FLAG_STBC_SHIFT; - if (rate_n_flags & RATE_MCS_BF_MSK) - rx_status->vht_flag |= RX_VHT_FLAG_BF; - } else { - rx_status->rate_idx = - iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, - rx_status->band); - } - -#ifdef CONFIG_IWLWIFI_DEBUGFS - iwl_mvm_update_frame_stats(mvm, rate_n_flags, - rx_status->flag & RX_FLAG_AMPDU_DETAILS); -#endif - iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, hdr, len, ampdu_status, - crypt_len, rxb); -} - -static void iwl_mvm_update_rx_statistics(struct iwl_mvm *mvm, - struct mvm_statistics_rx *rx_stats) -{ - lockdep_assert_held(&mvm->mutex); - - mvm->rx_stats = *rx_stats; -} - -struct iwl_mvm_stat_data { - struct iwl_mvm *mvm; - __le32 mac_id; - u8 beacon_filter_average_energy; - struct mvm_statistics_general_v8 *general; -}; - -static void iwl_mvm_stat_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - struct iwl_mvm_stat_data *data = _data; - struct iwl_mvm *mvm = data->mvm; - int sig = -data->beacon_filter_average_energy; - int last_event; - int thold = vif->bss_conf.cqm_rssi_thold; - int hyst = vif->bss_conf.cqm_rssi_hyst; - u16 id = le32_to_cpu(data->mac_id); - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - /* This doesn't need the MAC ID check since it's not taking the - * data copied into the "data" struct, but rather the data from - * the notification directly. - */ - if (data->general) { - mvmvif->beacon_stats.num_beacons = - le32_to_cpu(data->general->beacon_counter[mvmvif->id]); - mvmvif->beacon_stats.avg_signal = - -data->general->beacon_average_energy[mvmvif->id]; - } - - if (mvmvif->id != id) - return; - - if (vif->type != NL80211_IFTYPE_STATION) - return; - - if (sig == 0) { - IWL_DEBUG_RX(mvm, "RSSI is 0 - skip signal based decision\n"); - return; - } - - mvmvif->bf_data.ave_beacon_signal = sig; - - /* BT Coex */ - if (mvmvif->bf_data.bt_coex_min_thold != - mvmvif->bf_data.bt_coex_max_thold) { - last_event = mvmvif->bf_data.last_bt_coex_event; - if (sig > mvmvif->bf_data.bt_coex_max_thold && - (last_event <= mvmvif->bf_data.bt_coex_min_thold || - last_event == 0)) { - mvmvif->bf_data.last_bt_coex_event = sig; - IWL_DEBUG_RX(mvm, "cqm_iterator bt coex high %d\n", - sig); - iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_HIGH); - } else if (sig < mvmvif->bf_data.bt_coex_min_thold && - (last_event >= mvmvif->bf_data.bt_coex_max_thold || - last_event == 0)) { - mvmvif->bf_data.last_bt_coex_event = sig; - IWL_DEBUG_RX(mvm, "cqm_iterator bt coex low %d\n", - sig); - iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_LOW); - } - } - - if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) - return; - - /* CQM Notification */ - last_event = mvmvif->bf_data.last_cqm_event; - if (thold && sig < thold && (last_event == 0 || - sig < last_event - hyst)) { - mvmvif->bf_data.last_cqm_event = sig; - IWL_DEBUG_RX(mvm, "cqm_iterator cqm low %d\n", - sig); - ieee80211_cqm_rssi_notify( - vif, - NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, - GFP_KERNEL); - } else if (sig > thold && - (last_event == 0 || sig > last_event + hyst)) { - mvmvif->bf_data.last_cqm_event = sig; - IWL_DEBUG_RX(mvm, "cqm_iterator cqm high %d\n", - sig); - ieee80211_cqm_rssi_notify( - vif, - NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, - GFP_KERNEL); - } -} - -static inline void -iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) -{ - struct iwl_fw_dbg_trigger_tlv *trig; - struct iwl_fw_dbg_trigger_stats *trig_stats; - u32 trig_offset, trig_thold; - - if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_STATS)) - return; - - trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_STATS); - trig_stats = (void *)trig->data; - - if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig)) - return; - - trig_offset = le32_to_cpu(trig_stats->stop_offset); - trig_thold = le32_to_cpu(trig_stats->stop_threshold); - - if (WARN_ON_ONCE(trig_offset >= iwl_rx_packet_payload_len(pkt))) - return; - - if (le32_to_cpup((__le32 *) (pkt->data + trig_offset)) < trig_thold) - return; - - iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL); -} - -void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, - struct iwl_rx_packet *pkt) -{ - struct iwl_notif_statistics_v10 *stats = (void *)&pkt->data; - struct iwl_mvm_stat_data data = { - .mvm = mvm, - }; - u32 temperature; - - if (iwl_rx_packet_payload_len(pkt) != sizeof(*stats)) - goto invalid; - - temperature = le32_to_cpu(stats->general.radio_temperature); - data.mac_id = stats->rx.general.mac_id; - data.beacon_filter_average_energy = - stats->general.beacon_filter_average_energy; - - iwl_mvm_update_rx_statistics(mvm, &stats->rx); - - mvm->radio_stats.rx_time = le64_to_cpu(stats->general.rx_time); - mvm->radio_stats.tx_time = le64_to_cpu(stats->general.tx_time); - mvm->radio_stats.on_time_rf = - le64_to_cpu(stats->general.on_time_rf); - mvm->radio_stats.on_time_scan = - le64_to_cpu(stats->general.on_time_scan); - - data.general = &stats->general; - - iwl_mvm_rx_stats_check_trigger(mvm, pkt); - - ieee80211_iterate_active_interfaces(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_stat_iterator, - &data); - return; - invalid: - IWL_ERR(mvm, "received invalid statistics size (%d)!\n", - iwl_rx_packet_payload_len(pkt)); -} - -void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) -{ - iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb)); -} |