diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
| commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
| tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /drivers/net/wireless/intel | |
| parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) | |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'drivers/net/wireless/intel')
63 files changed, 2481 insertions, 833 deletions
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c index 9f02e7e78..85d91de1e 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c @@ -4093,7 +4093,7 @@ static const char *ipw_get_status_code(u16 status) return "Unknown status value."; } -static void inline average_init(struct average *avg) +static inline void average_init(struct average *avg) { memset(avg, 0, sizeof(*avg)); } diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index eb24b9241..140b6ea8f 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -1305,10 +1305,14 @@ il_send_scan_abort(struct il_priv *il) static void il_complete_scan(struct il_priv *il, bool aborted) { + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + /* check if scan was requested from mac80211 */ if (il->scan_request) { D_SCAN("Complete scan in mac80211\n"); - ieee80211_scan_completed(il->hw, aborted); + ieee80211_scan_completed(il->hw, &info); } il->scan_vif = NULL; diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile index 05828c61d..6e7ed908d 100644 --- a/drivers/net/wireless/intel/iwlwifi/Makefile +++ b/drivers/net/wireless/intel/iwlwifi/Makefile @@ -8,7 +8,7 @@ iwlwifi-objs += iwl-eeprom-read.o iwl-eeprom-parse.o iwlwifi-objs += iwl-phy-db.o iwl-nvm-parse.o iwlwifi-objs += pcie/drv.o pcie/rx.o pcie/tx.o pcie/trans.o iwlwifi-$(CONFIG_IWLDVM) += iwl-1000.o iwl-2000.o iwl-5000.o iwl-6000.o -iwlwifi-$(CONFIG_IWLMVM) += iwl-7000.o iwl-8000.o iwl-9000.o +iwlwifi-$(CONFIG_IWLMVM) += iwl-7000.o iwl-8000.o iwl-9000.o iwl-a000.o iwlwifi-objs += iwl-trans.o iwlwifi-objs += $(iwlwifi-m) diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/lib.c b/drivers/net/wireless/intel/iwlwifi/dvm/lib.c index 8dda52ae3..6c2d6da7e 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/lib.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/lib.c @@ -205,23 +205,6 @@ static const __le32 iwlagn_def_3w_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = { cpu_to_le32(0xf0005000), }; - -/* Loose Coex */ -static const __le32 iwlagn_loose_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = { - cpu_to_le32(0xaaaaaaaa), - cpu_to_le32(0xaaaaaaaa), - cpu_to_le32(0xaeaaaaaa), - cpu_to_le32(0xaaaaaaaa), - cpu_to_le32(0xcc00ff28), - cpu_to_le32(0x0000aaaa), - cpu_to_le32(0xcc00aaaa), - cpu_to_le32(0x0000aaaa), - cpu_to_le32(0x00000000), - cpu_to_le32(0x00000000), - cpu_to_le32(0xf0005000), - cpu_to_le32(0xf0005000), -}; - /* Full concurrency */ static const __le32 iwlagn_concurrent_lookup[IWLAGN_BT_DECISION_LUT_SIZE] = { cpu_to_le32(0xaaaaaaaa), diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c index 37b32a6f6..b49848683 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c @@ -1317,6 +1317,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, trans_cfg.n_no_reclaim_cmds = ARRAY_SIZE(no_reclaim_cmds); switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; @@ -1336,6 +1337,8 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, trans_cfg.command_groups_size = ARRAY_SIZE(iwl_dvm_groups); trans_cfg.cmd_fifo = IWLAGN_CMD_FIFO_NUM; + trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, + driver_data[2]); WARN_ON(sizeof(priv->transport_queue_stop) * BITS_PER_BYTE < priv->cfg->base_params->num_of_queues); diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c b/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c index b22855218..087e57985 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/rxon.c @@ -523,11 +523,6 @@ static int iwlagn_rxon_connect(struct iwl_priv *priv, return ret; } - if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION && - priv->cfg->ht_params && priv->cfg->ht_params->smps_mode) - ieee80211_request_smps(ctx->vif, - priv->cfg->ht_params->smps_mode); - return 0; } diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/scan.c b/drivers/net/wireless/intel/iwlwifi/dvm/scan.c index d01766f16..17e6a3238 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/dvm/scan.c @@ -94,10 +94,14 @@ static int iwl_send_scan_abort(struct iwl_priv *priv) static void iwl_complete_scan(struct iwl_priv *priv, bool aborted) { + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + /* check if scan was requested from mac80211 */ if (priv->scan_request) { IWL_DEBUG_SCAN(priv, "Complete scan in mac80211\n"); - ieee80211_scan_completed(priv->hw, aborted); + ieee80211_scan_completed(priv->hw, &info); } priv->scan_type = IWL_SCAN_NORMAL; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c index 8d164d896..bea15510c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c @@ -73,8 +73,8 @@ /* Highest firmware API version supported */ #define IWL7260_UCODE_API_MAX 17 #define IWL7265_UCODE_API_MAX 17 -#define IWL7265D_UCODE_API_MAX 21 -#define IWL3168_UCODE_API_MAX 21 +#define IWL7265D_UCODE_API_MAX 24 +#define IWL3168_UCODE_API_MAX 24 /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 16 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index 0b4684234..b50aee86b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -70,8 +70,8 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL8000_UCODE_API_MAX 21 -#define IWL8265_UCODE_API_MAX 21 +#define IWL8000_UCODE_API_MAX 24 +#define IWL8265_UCODE_API_MAX 24 /* Lowest firmware API version supported */ #define IWL8000_UCODE_API_MIN 16 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-9000.c b/drivers/net/wireless/intel/iwlwifi/iwl-9000.c index 19569fff2..03b26168c 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-9000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-9000.c @@ -55,7 +55,7 @@ #include "iwl-agn-hw.h" /* Highest firmware API version supported */ -#define IWL9000_UCODE_API_MAX 21 +#define IWL9000_UCODE_API_MAX 24 /* Lowest firmware API version supported */ #define IWL9000_UCODE_API_MIN 16 @@ -178,6 +178,7 @@ const struct iwl_cfg iwl5165_2ac_cfg = { .nvm_ver = IWL9000_NVM_VERSION, .nvm_calib_ver = IWL9000_TX_POWER_VERSION, .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, + .integrated = true, }; /*(DEBLOBBED)*/ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-a000.c b/drivers/net/wireless/intel/iwlwifi/iwl-a000.c new file mode 100644 index 000000000..ac29c8301 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/iwl-a000.c @@ -0,0 +1,131 @@ +/****************************************************************************** + * + * 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) 2015-2016 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. + * + * BSD LICENSE + * + * Copyright(c) 2015-2016 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 <linux/module.h> +#include <linux/stringify.h> +#include "iwl-config.h" +#include "iwl-agn-hw.h" + +/* Highest firmware API version supported */ +#define IWL_A000_UCODE_API_MAX 24 + +/* Lowest firmware API version supported */ +#define IWL_A000_UCODE_API_MIN 24 + +/* NVM versions */ +#define IWL_A000_NVM_VERSION 0x0a1d +#define IWL_A000_TX_POWER_VERSION 0xffff /* meaningless */ + +/* Memory offsets and lengths */ +#define IWL_A000_DCCM_OFFSET 0x800000 +#define IWL_A000_DCCM_LEN 0x18000 +#define IWL_A000_DCCM2_OFFSET 0x880000 +#define IWL_A000_DCCM2_LEN 0x8000 +#define IWL_A000_SMEM_OFFSET 0x400000 +#define IWL_A000_SMEM_LEN 0x68000 + +#define IWL_A000_FW_PRE "/*(DEBLOBBED)*/" +#define IWL_A000_MODULE_FIRMWARE(api) \ + IWL_A000_FW_PRE /*(DEBLOBBED)*/ + +#define NVM_HW_SECTION_NUM_FAMILY_A000 10 + +static const struct iwl_base_params iwl_a000_base_params = { + .eeprom_size = OTP_LOW_IMAGE_SIZE_FAMILY_A000, + .num_of_queues = 31, + .shadow_ram_support = true, + .led_compensation = 57, + .wd_timeout = IWL_LONG_WD_TIMEOUT, + .max_event_log_size = 512, + .shadow_reg_enable = true, + .pcie_l1_allowed = true, +}; + +static const struct iwl_ht_params iwl_a000_ht_params = { + .stbc = true, + .ldpc = true, + .ht40_bands = BIT(NL80211_BAND_2GHZ) | BIT(NL80211_BAND_5GHZ), +}; + +#define IWL_DEVICE_A000 \ + .ucode_api_max = IWL_A000_UCODE_API_MAX, \ + .ucode_api_min = IWL_A000_UCODE_API_MIN, \ + .device_family = IWL_DEVICE_FAMILY_8000, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ + .base_params = &iwl_a000_base_params, \ + .led_mode = IWL_LED_RF_STATE, \ + .nvm_hw_section_num = NVM_HW_SECTION_NUM_FAMILY_A000, \ + .non_shared_ant = ANT_A, \ + .dccm_offset = IWL_A000_DCCM_OFFSET, \ + .dccm_len = IWL_A000_DCCM_LEN, \ + .dccm2_offset = IWL_A000_DCCM2_OFFSET, \ + .dccm2_len = IWL_A000_DCCM2_LEN, \ + .smem_offset = IWL_A000_SMEM_OFFSET, \ + .smem_len = IWL_A000_SMEM_LEN, \ + .features = IWL_TX_CSUM_NETIF_FLAGS | NETIF_F_RXCSUM, \ + .apmg_not_supported = true, \ + .mq_rx_supported = true, \ + .vht_mu_mimo_supported = true, \ + .mac_addr_from_csr = true, \ + .use_tfh = true + +const struct iwl_cfg iwla000_2ac_cfg = { + .name = "Intel(R) Dual Band Wireless AC a000", + .fw_name_pre = IWL_A000_FW_PRE, + IWL_DEVICE_A000, + .ht_params = &iwl_a000_ht_params, + .nvm_ver = IWL_A000_NVM_VERSION, + .nvm_calib_ver = IWL_A000_TX_POWER_VERSION, + .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, +}; + +/*(DEBLOBBED)*/ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h index 4a0af7de8..423b23320 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h @@ -66,8 +66,9 @@ #define __IWL_CONFIG_H__ #include <linux/types.h> -#include <net/mac80211.h> - +#include <linux/netdevice.h> +#include <linux/ieee80211.h> +#include <linux/nl80211.h> enum iwl_device_family { IWL_DEVICE_FAMILY_UNDEFINED, @@ -192,7 +193,6 @@ struct iwl_base_params { * @ht40_bands: bitmap of bands (using %NL80211_BAND_*) that support HT40 */ struct iwl_ht_params { - enum ieee80211_smps_mode smps_mode; u8 ht_greenfield_support:1, stbc:1, ldpc:1, @@ -261,6 +261,7 @@ struct iwl_tt_params { #define OTP_LOW_IMAGE_SIZE_FAMILY_7000 (16 * 512 * sizeof(u16)) /* 16 KB */ #define OTP_LOW_IMAGE_SIZE_FAMILY_8000 (32 * 512 * sizeof(u16)) /* 32 KB */ #define OTP_LOW_IMAGE_SIZE_FAMILY_9000 OTP_LOW_IMAGE_SIZE_FAMILY_8000 +#define OTP_LOW_IMAGE_SIZE_FAMILY_A000 OTP_LOW_IMAGE_SIZE_FAMILY_9000 struct iwl_eeprom_params { const u8 regulatory_bands[7]; @@ -319,6 +320,7 @@ struct iwl_pwr_tx_backoff { * @mq_rx_supported: multi-queue rx support * @vht_mu_mimo_supported: VHT MU-MIMO support * @rf_id: need to read rf_id to determine the firmware image + * @integrated: discrete or integrated * * We enable the driver to be backward compatible wrt. hardware features. * API differences in uCode shouldn't be handled here but through TLVs @@ -362,7 +364,9 @@ struct iwl_cfg { apmg_not_supported:1, mq_rx_supported:1, vht_mu_mimo_supported:1, - rf_id:1; + rf_id:1, + integrated:1, + use_tfh:1; u8 valid_tx_ant; u8 valid_rx_ant; u8 non_shared_ant; @@ -448,6 +452,7 @@ extern const struct iwl_cfg iwl4165_2ac_sdio_cfg; extern const struct iwl_cfg iwl9260_2ac_cfg; extern const struct iwl_cfg iwl9260lc_2ac_cfg; extern const struct iwl_cfg iwl5165_2ac_cfg; +extern const struct iwl_cfg iwla000_2ac_cfg; #endif /* CONFIG_IWLMVM */ #endif /* __IWL_CONFIG_H__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h index b52913448..871ad02fd 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h @@ -145,8 +145,10 @@ #define CSR_LED_REG (CSR_BASE+0x094) #define CSR_DRAM_INT_TBL_REG (CSR_BASE+0x0A0) -#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE+0x0A8) /* 6000 and up */ - +#define CSR_MAC_SHADOW_REG_CTRL (CSR_BASE + 0x0A8) /* 6000 and up */ +#define CSR_MAC_SHADOW_REG_CTRL_RX_WAKE BIT(20) +#define CSR_MAC_SHADOW_REG_CTL2 (CSR_BASE + 0x0AC) +#define CSR_MAC_SHADOW_REG_CTL2_RX_WAKE 0xFFFF /* GIO Chicken Bits (PCI Express bus link power management) */ #define CSR_GIO_CHICKEN_BITS (CSR_BASE+0x100) diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-debug.h b/drivers/net/wireless/intel/iwlwifi/iwl-debug.h index 110333208..cd77c6971 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-debug.h @@ -41,6 +41,7 @@ static inline bool iwl_have_debug_level(u32 level) #endif } +struct device; void __iwl_err(struct device *dev, bool rfkill_prefix, bool only_trace, const char *fmt, ...) __printf(4, 5); void __iwl_warn(struct device *dev, const char *fmt, ...) __printf(2, 3); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-io.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-io.h index 27914eedc..1dccae653 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-io.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace-io.h @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved. + * Copyright(c) 2016 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 @@ -83,6 +84,23 @@ TRACE_EVENT(iwlwifi_dev_iowrite32, __get_str(dev), __entry->offs, __entry->val) ); +TRACE_EVENT(iwlwifi_dev_iowrite64, + TP_PROTO(const struct device *dev, u64 offs, u64 val), + TP_ARGS(dev, offs, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u64, offs) + __field(u64, val) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%s] write io[%llu] = %llu)", + __get_str(dev), __entry->offs, __entry->val) +); + TRACE_EVENT(iwlwifi_dev_iowrite_prph32, TP_PROTO(const struct device *dev, u32 offs, u32 val), TP_ARGS(dev, offs, val), @@ -100,6 +118,23 @@ TRACE_EVENT(iwlwifi_dev_iowrite_prph32, __get_str(dev), __entry->offs, __entry->val) ); +TRACE_EVENT(iwlwifi_dev_iowrite_prph64, + TP_PROTO(const struct device *dev, u64 offs, u64 val), + TP_ARGS(dev, offs, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u64, offs) + __field(u64, val) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->offs = offs; + __entry->val = val; + ), + TP_printk("[%s] write PRPH[%llu] = %llu)", + __get_str(dev), __entry->offs, __entry->val) +); + TRACE_EVENT(iwlwifi_dev_ioread_prph32, TP_PROTO(const struct device *dev, u32 offs, u32 val), TP_ARGS(dev, offs, val), diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h index f4d3cd010..545d14b0b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h @@ -1,6 +1,7 @@ /****************************************************************************** * * Copyright(c) 2009 - 2014 Intel Corporation. All rights reserved. + * Copyright(C) 2016 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 @@ -33,11 +34,29 @@ static inline bool iwl_trace_data(struct sk_buff *skb) { struct ieee80211_hdr *hdr = (void *)skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + __le16 fc = hdr->frame_control; + int offs = 24; /* start with normal header length */ - if (!ieee80211_is_data(hdr->frame_control)) + if (!ieee80211_is_data(fc)) return false; - return !(info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO); + + /* Try to determine if the frame is EAPOL. This might have false + * positives (if there's no RFC 1042 header and we compare to some + * payload instead) but since we're only doing tracing that's not + * a problem. + */ + + if (ieee80211_has_a4(fc)) + offs += 6; + if (ieee80211_is_data_qos(fc)) + offs += 2; + /* don't account for crypto - these are unencrypted */ + + /* also account for the RFC 1042 header, of course */ + offs += 6; + + return skb->len > offs + 2 && + *(__be16 *)(skb->data + offs) == cpu_to_be16(ETH_P_PAE); } static inline size_t iwl_rx_trace_len(const struct iwl_trans *trans, diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c index c695125d0..f47ff2607 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c @@ -129,8 +129,8 @@ struct iwl_drv { }; enum { - DVM_OP_MODE = 0, - MVM_OP_MODE = 1, + DVM_OP_MODE, + MVM_OP_MODE, }; /* Protects the table contents, i.e. the ops pointer & drv list */ @@ -326,8 +326,6 @@ static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) int i, j; struct iwl_fw_cscheme_list *l = (struct iwl_fw_cscheme_list *)data; struct iwl_fw_cipher_scheme *fwcs; - struct ieee80211_cipher_scheme *cs; - u32 cipher; if (len < sizeof(*l) || len < sizeof(l->size) + l->size * sizeof(l->cs[0])) @@ -335,22 +333,12 @@ static int iwl_store_cscheme(struct iwl_fw *fw, const u8 *data, const u32 len) for (i = 0, j = 0; i < IWL_UCODE_MAX_CS && i < l->size; i++) { fwcs = &l->cs[j]; - cipher = le32_to_cpu(fwcs->cipher); /* we skip schemes with zero cipher suite selector */ - if (!cipher) + if (!fwcs->cipher) continue; - cs = &fw->cs[j++]; - cs->cipher = cipher; - cs->iftype = BIT(NL80211_IFTYPE_STATION); - cs->hdr_len = fwcs->hdr_len; - cs->pn_len = fwcs->pn_len; - cs->pn_off = fwcs->pn_off; - cs->key_idx_off = fwcs->key_idx_off; - cs->key_idx_mask = fwcs->key_idx_mask; - cs->key_idx_shift = fwcs->key_idx_shift; - cs->mic_len = fwcs->mic_len; + fw->cs[j++] = *fwcs; } return 0; @@ -795,17 +783,17 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, case IWL_UCODE_TLV_SEC_RT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SEC_INIT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SEC_WOWLAN: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_DEF_CALIB: if (tlv_len != sizeof(struct iwl_tlv_calib_data)) @@ -827,17 +815,17 @@ static int iwl_parse_tlv_firmware(struct iwl_drv *drv, case IWL_UCODE_TLV_SECURE_SEC_RT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_REGULAR, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SECURE_SEC_INIT: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_INIT, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_SECURE_SEC_WOWLAN: iwl_store_ucode_sec(pieces, tlv_data, IWL_UCODE_WOWLAN, tlv_len); - drv->fw.mvm_fw = true; + drv->fw.type = IWL_FW_MVM; break; case IWL_UCODE_TLV_NUM_OF_CPU: if (tlv_len != sizeof(u32)) @@ -1275,7 +1263,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) * In mvm uCode there is no difference between data and instructions * sections. */ - if (!fw->mvm_fw && validate_sec_sizes(drv, pieces, drv->cfg)) + if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces, drv->cfg)) goto try_again; /* Allocate ucode buffers for card's bus-master loading ... */ @@ -1403,10 +1391,16 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context) release_firmware(ucode_raw); mutex_lock(&iwlwifi_opmode_table_mtx); - if (fw->mvm_fw) - op = &iwlwifi_opmode_table[MVM_OP_MODE]; - else + switch (fw->type) { + case IWL_FW_DVM: op = &iwlwifi_opmode_table[DVM_OP_MODE]; + break; + default: + WARN(1, "Invalid fw type %d\n", fw->type); + case IWL_FW_MVM: + op = &iwlwifi_opmode_table[MVM_OP_MODE]; + break; + } IWL_INFO(drv, "loaded firmware version %s op_mode %s\n", drv->fw.fw_version, op->name); @@ -1658,7 +1652,8 @@ MODULE_PARM_DESC(11n_disable, "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX"); module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, S_IRUGO); -MODULE_PARM_DESC(amsdu_size, "amsdu size 0:4K 1:8K 2:12K (default 0)"); +MODULE_PARM_DESC(amsdu_size, + "amsdu size 0: 12K for multi Rx queue devices, 4K for other devices 1:4K 2:8K 3:12K (default 0)"); module_param_named(fw_restart, iwlwifi_mod_params.restart_fw, bool, S_IRUGO); MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)"); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c index bf1b69aec..3199d345b 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.c @@ -766,7 +766,9 @@ void iwl_init_ht_hw_capab(const struct iwl_cfg *cfg, if (cfg->ht_params->ldpc) ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; - if (iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K) + if ((cfg->mq_rx_supported && + iwlwifi_mod_params.amsdu_size != IWL_AMSDU_4K) || + iwlwifi_mod_params.amsdu_size >= IWL_AMSDU_8K) ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU; ht_info->ampdu_factor = cfg->max_ht_ampdu_exponent; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h index 1f4e50289..e04a91d70 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-eeprom-parse.h @@ -66,6 +66,7 @@ #include <linux/types.h> #include <linux/if_ether.h> +#include <net/cfg80211.h> #include "iwl-trans.h" struct iwl_nvm_data { diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h index 270f39ecd..1d6f5d21a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h @@ -77,6 +77,7 @@ */ #define FH_MEM_LOWER_BOUND (0x1000) #define FH_MEM_UPPER_BOUND (0x2000) +#define TFH_MEM_LOWER_BOUND (0xA06000) /** * Keep-Warm (KW) buffer base address. @@ -118,10 +119,17 @@ #define FH_MEM_CBBC_16_19_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xC00) #define FH_MEM_CBBC_20_31_LOWER_BOUND (FH_MEM_LOWER_BOUND + 0xB20) #define FH_MEM_CBBC_20_31_UPPER_BOUND (FH_MEM_LOWER_BOUND + 0xB80) +/* a000 TFD table address, 64 bit */ +#define TFH_TFDQ_CBB_TABLE (TFH_MEM_LOWER_BOUND + 0x1C00) /* Find TFD CB base pointer for given queue */ -static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) +static inline unsigned int FH_MEM_CBBC_QUEUE(struct iwl_trans *trans, + unsigned int chnl) { + if (trans->cfg->use_tfh) { + WARN_ON_ONCE(chnl >= 64); + return TFH_TFDQ_CBB_TABLE + 8 * chnl; + } if (chnl < 16) return FH_MEM_CBBC_0_15_LOWER_BOUND + 4 * chnl; if (chnl < 20) @@ -130,6 +138,65 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) return FH_MEM_CBBC_20_31_LOWER_BOUND + 4 * (chnl - 20); } +/* a000 configuration registers */ + +/* + * TFH Configuration register. + * + * BIT fields: + * + * Bits 3:0: + * Define the maximum number of pending read requests. + * Maximum configration value allowed is 0xC + * Bits 9:8: + * Define the maximum transfer size. (64 / 128 / 256) + * Bit 10: + * When bit is set and transfer size is set to 128B, the TFH will enable + * reading chunks of more than 64B only if the read address is aligned to 128B. + * In case of DRAM read address which is not aligned to 128B, the TFH will + * enable transfer size which doesn't cross 64B DRAM address boundary. +*/ +#define TFH_TRANSFER_MODE (TFH_MEM_LOWER_BOUND + 0x1F40) +#define TFH_TRANSFER_MAX_PENDING_REQ 0xc +#define TFH_CHUNK_SIZE_128 BIT(8) +#define TFH_CHUNK_SPLIT_MODE BIT(10) +/* + * Defines the offset address in dwords referring from the beginning of the + * Tx CMD which will be updated in DRAM. + * Note that the TFH offset address for Tx CMD update is always referring to + * the start of the TFD first TB. + * In case of a DRAM Tx CMD update the TFH will update PN and Key ID + */ +#define TFH_TXCMD_UPDATE_CFG (TFH_MEM_LOWER_BOUND + 0x1F48) +/* + * Controls TX DMA operation + * + * BIT fields: + * + * Bits 31:30: Enable the SRAM DMA channel. + * Turning on bit 31 will kick the SRAM2DRAM DMA. + * Note that the sram2dram may be enabled only after configuring the DRAM and + * SRAM addresses registers and the byte count register. + * Bits 25:24: Defines the interrupt target upon dram2sram transfer done. When + * set to 1 - interrupt is sent to the driver + * Bit 0: Indicates the snoop configuration +*/ +#define TFH_SRV_DMA_CHNL0_CTRL (TFH_MEM_LOWER_BOUND + 0x1F60) +#define TFH_SRV_DMA_SNOOP BIT(0) +#define TFH_SRV_DMA_TO_DRIVER BIT(24) +#define TFH_SRV_DMA_START BIT(31) + +/* Defines the DMA SRAM write start address to transfer a data block */ +#define TFH_SRV_DMA_CHNL0_SRAM_ADDR (TFH_MEM_LOWER_BOUND + 0x1F64) + +/* Defines the 64bits DRAM start address to read the DMA data block from */ +#define TFH_SRV_DMA_CHNL0_DRAM_ADDR (TFH_MEM_LOWER_BOUND + 0x1F68) + +/* + * Defines the number of bytes to transfer from DRAM to SRAM. + * Note that this register may be configured with non-dword aligned size. + */ +#define TFH_SRV_DMA_CHNL0_BC (TFH_MEM_LOWER_BOUND + 0x1F70) /** * Rx SRAM Control and Status Registers (RSCSR) @@ -344,6 +411,32 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RFH_RBDBUF_RBD0_LSB 0xA08300 #define RFH_RBDBUF_RBD_LSB(q) (RFH_RBDBUF_RBD0_LSB + (q) * 8) +/** + * RFH Status Register + * + * Bit fields: + * + * Bit 29: RBD_FETCH_IDLE + * This status flag is set by the RFH when there is no active RBD fetch from + * DRAM. + * Once the RFH RBD controller starts fetching (or when there is a pending + * RBD read response from DRAM), this flag is immediately turned off. + * + * Bit 30: SRAM_DMA_IDLE + * This status flag is set by the RFH when there is no active transaction from + * SRAM to DRAM. + * Once the SRAM to DRAM DMA is active, this flag is immediately turned off. + * + * Bit 31: RXF_DMA_IDLE + * This status flag is set by the RFH when there is no active transaction from + * RXF to DRAM. + * Once the RXF-to-DRAM DMA is active, this flag is immediately turned off. + */ +#define RFH_GEN_STATUS 0xA09808 +#define RBD_FETCH_IDLE BIT(29) +#define SRAM_DMA_IDLE BIT(30) +#define RXF_DMA_IDLE BIT(31) + /* DMA configuration */ #define RFH_RXF_DMA_CFG 0xA09820 /* RB size */ @@ -384,7 +477,9 @@ static inline unsigned int FH_MEM_CBBC_QUEUE(unsigned int chnl) #define RFH_GEN_CFG 0xA09800 #define RFH_GEN_CFG_SERVICE_DMA_SNOOP BIT(0) #define RFH_GEN_CFG_RFH_DMA_SNOOP BIT(1) -#define RFH_GEN_CFG_RB_CHUNK_SIZE BIT(4) /* 0 - 64B, 1- 128B */ +#define RFH_GEN_CFG_RB_CHUNK_SIZE_POS 4 +#define RFH_GEN_CFG_RB_CHUNK_SIZE_128 1 +#define RFH_GEN_CFG_RB_CHUNK_SIZE_64 0 #define RFH_GEN_CFG_DEFAULT_RXQ_NUM_MASK 0xF00 #define RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS 8 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw-error-dump.h index 09b7ea28f..420c31dab 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fw-error-dump.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw-error-dump.h @@ -89,6 +89,9 @@ * @IWL_FW_ERROR_PAGING: UMAC's image memory segments which were * paged to the DRAM. * @IWL_FW_ERROR_DUMP_RADIO_REG: Dump the radio registers. + * @IWL_FW_ERROR_DUMP_EXTERNAL: used only by external code utilities, and + * for that reason is not in use in any other place in the Linux Wi-Fi + * stack. */ enum iwl_fw_error_dump_type { /* 0 is deprecated */ @@ -106,6 +109,7 @@ enum iwl_fw_error_dump_type { IWL_FW_ERROR_DUMP_PAGING = 12, IWL_FW_ERROR_DUMP_RADIO_REG = 13, IWL_FW_ERROR_DUMP_INTERNAL_TXF = 14, + IWL_FW_ERROR_DUMP_EXTERNAL = 15, /* Do not move */ IWL_FW_ERROR_DUMP_MAX, }; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h index 37dc09e8b..1b1e045f8 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw-file.h @@ -301,7 +301,8 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @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_P2P_STANDALONE_UAPSD: support p2p standalone U-APSD + * @IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD: supports U-APSD on p2p interface when it + * is standalone or with a BSS station interface in the same binding. * @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 * sources for the MCC. This TLV bit is a future replacement to @@ -312,6 +313,9 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement * @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT + * @IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD: the firmware supports CSA + * countdown offloading. Beacon notifications are not sent to the host. + * The fw also offloads TBTT alignment. * @IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION: firmware will decide on what * antenna the beacon should be transmitted * @IWL_UCODE_TLV_CAPA_BEACON_STORING: firmware will store the latest beacon @@ -326,6 +330,9 @@ typedef unsigned int __bitwise__ iwl_ucode_tlv_capa_t; * @IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG: support getting more shared * memory addresses from the firmware. * @IWL_UCODE_TLV_CAPA_LQM_SUPPORT: supports Link Quality Measurement + * @IWL_UCODE_TLV_CAPA_TX_POWER_ACK: reduced TX power API has larger + * command size (command version 4) that supports toggling ACK TX + * power reduction. * * @NUM_IWL_UCODE_TLV_CAPA: number of bits used */ @@ -347,7 +354,7 @@ enum iwl_ucode_tlv_capa { 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_P2P_STANDALONE_UAPSD = (__force iwl_ucode_tlv_capa_t)26, + IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD = (__force iwl_ucode_tlv_capa_t)26, 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, @@ -356,6 +363,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS = (__force iwl_ucode_tlv_capa_t)65, IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT = (__force iwl_ucode_tlv_capa_t)67, IWL_UCODE_TLV_CAPA_MULTI_QUEUE_RX_SUPPORT = (__force iwl_ucode_tlv_capa_t)68, + IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD = (__force iwl_ucode_tlv_capa_t)70, IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION = (__force iwl_ucode_tlv_capa_t)71, IWL_UCODE_TLV_CAPA_BEACON_STORING = (__force iwl_ucode_tlv_capa_t)72, IWL_UCODE_TLV_CAPA_LAR_SUPPORT_V2 = (__force iwl_ucode_tlv_capa_t)73, @@ -365,6 +373,7 @@ enum iwl_ucode_tlv_capa { IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED = (__force iwl_ucode_tlv_capa_t)77, IWL_UCODE_TLV_CAPA_EXTEND_SHARED_MEM_CFG = (__force iwl_ucode_tlv_capa_t)80, IWL_UCODE_TLV_CAPA_LQM_SUPPORT = (__force iwl_ucode_tlv_capa_t)81, + IWL_UCODE_TLV_CAPA_TX_POWER_ACK = (__force iwl_ucode_tlv_capa_t)84, NUM_IWL_UCODE_TLV_CAPA #ifdef __CHECKER__ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fw.h b/drivers/net/wireless/intel/iwlwifi/iwl-fw.h index e461d6318..74ea68d10 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-fw.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-fw.h @@ -67,7 +67,6 @@ #ifndef __iwl_fw_h__ #define __iwl_fw_h__ #include <linux/types.h> -#include <net/mac80211.h> #include "iwl-fw-file.h" #include "iwl-fw-error-dump.h" @@ -231,6 +230,16 @@ struct iwl_gscan_capabilities { }; /** + * enum iwl_fw_type - iwlwifi firmware type + * @IWL_FW_DVM: DVM firmware + * @IWL_FW_MVM: MVM firmware + */ +enum iwl_fw_type { + IWL_FW_DVM, + IWL_FW_MVM, +}; + +/** * struct iwl_fw - variables associated with the firmware * * @ucode_ver: ucode version from the ucode file @@ -244,7 +253,7 @@ struct iwl_gscan_capabilities { * @inst_evtlog_ptr: event log offset for runtime ucode. * @inst_evtlog_size: event log size for runtime ucode. * @inst_errlog_ptr: error log offfset for runtime ucode. - * @mvm_fw: indicates this is MVM firmware + * @type: firmware type (&enum iwl_fw_type) * @cipher_scheme: optional external cipher scheme. * @human_readable: human readable version * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until @@ -275,9 +284,9 @@ struct iwl_fw { u8 valid_tx_ant; u8 valid_rx_ant; - bool mvm_fw; + enum iwl_fw_type type; - struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; + struct iwl_fw_cipher_scheme cs[IWL_UCODE_MAX_CS]; u8 human_readable[FW_VER_HUMAN_READABLE_SZ]; u32 sdio_adma_addr; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.c b/drivers/net/wireless/intel/iwlwifi/iwl-io.c index 32c8f84ae..92c8b5f9a 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-io.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.c @@ -1,7 +1,7 @@ /****************************************************************************** * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * * Portions of this file are derived from the ipw3945 project. * @@ -51,6 +51,14 @@ void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val) } IWL_EXPORT_SYMBOL(iwl_write32); +void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val) +{ + trace_iwlwifi_dev_iowrite64(trans->dev, ofs, val); + iwl_trans_write32(trans, ofs, val & 0xffffffff); + iwl_trans_write32(trans, ofs + 4, val >> 32); +} +IWL_EXPORT_SYMBOL(iwl_write64); + u32 iwl_read32(struct iwl_trans *trans, u32 ofs) { u32 val = iwl_trans_read32(trans, ofs); @@ -102,6 +110,17 @@ void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value) } IWL_EXPORT_SYMBOL(iwl_write_direct32); +void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value) +{ + unsigned long flags; + + if (iwl_trans_grab_nic_access(trans, &flags)) { + iwl_write64(trans, reg, value); + iwl_trans_release_nic_access(trans, &flags); + } +} +IWL_EXPORT_SYMBOL(iwl_write_direct64); + int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, int timeout) { @@ -133,6 +152,14 @@ void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val) } IWL_EXPORT_SYMBOL(iwl_write_prph_no_grab); +void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val) +{ + trace_iwlwifi_dev_iowrite_prph64(trans->dev, ofs, val); + iwl_write_prph_no_grab(trans, ofs, val & 0xffffffff); + iwl_write_prph_no_grab(trans, ofs + 4, val >> 32); +} +IWL_EXPORT_SYMBOL(iwl_write_prph64_no_grab); + u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs) { unsigned long flags; @@ -228,9 +255,117 @@ void iwl_force_nmi(struct iwl_trans *trans) } IWL_EXPORT_SYMBOL(iwl_force_nmi); -static const char *get_fh_string(int cmd) +static const char *get_rfh_string(int cmd) { #define IWL_CMD(x) case x: return #x +#define IWL_CMD_MQ(arg, reg, q) { if (arg == reg(q)) return #reg; } + + int i; + + for (i = 0; i < IWL_MAX_RX_HW_QUEUES; i++) { + IWL_CMD_MQ(cmd, RFH_Q_FRBDCB_BA_LSB, i); + IWL_CMD_MQ(cmd, RFH_Q_FRBDCB_WIDX, i); + IWL_CMD_MQ(cmd, RFH_Q_FRBDCB_RIDX, i); + IWL_CMD_MQ(cmd, RFH_Q_URBD_STTS_WPTR_LSB, i); + }; + + switch (cmd) { + IWL_CMD(RFH_RXF_DMA_CFG); + IWL_CMD(RFH_GEN_CFG); + IWL_CMD(RFH_GEN_STATUS); + IWL_CMD(FH_TSSR_TX_STATUS_REG); + IWL_CMD(FH_TSSR_TX_ERROR_REG); + default: + return "UNKNOWN"; + } +#undef IWL_CMD_MQ +} + +struct reg { + u32 addr; + bool is64; +}; + +static int iwl_dump_rfh(struct iwl_trans *trans, char **buf) +{ + int i, q; + int num_q = trans->num_rx_queues; + static const u32 rfh_tbl[] = { + RFH_RXF_DMA_CFG, + RFH_GEN_CFG, + RFH_GEN_STATUS, + FH_TSSR_TX_STATUS_REG, + FH_TSSR_TX_ERROR_REG, + }; + static const struct reg rfh_mq_tbl[] = { + { RFH_Q0_FRBDCB_BA_LSB, true }, + { RFH_Q0_FRBDCB_WIDX, false }, + { RFH_Q0_FRBDCB_RIDX, false }, + { RFH_Q0_URBD_STTS_WPTR_LSB, true }, + }; + +#ifdef CONFIG_IWLWIFI_DEBUGFS + if (buf) { + int pos = 0; + /* + * Register (up to 34 for name + 8 blank/q for MQ): 40 chars + * Colon + space: 2 characters + * 0X%08x: 10 characters + * New line: 1 character + * Total of 53 characters + */ + size_t bufsz = ARRAY_SIZE(rfh_tbl) * 53 + + ARRAY_SIZE(rfh_mq_tbl) * 53 * num_q + 40; + + *buf = kmalloc(bufsz, GFP_KERNEL); + if (!*buf) + return -ENOMEM; + + pos += scnprintf(*buf + pos, bufsz - pos, + "RFH register values:\n"); + + for (i = 0; i < ARRAY_SIZE(rfh_tbl); i++) + pos += scnprintf(*buf + pos, bufsz - pos, + "%40s: 0X%08x\n", + get_rfh_string(rfh_tbl[i]), + iwl_read_prph(trans, rfh_tbl[i])); + + for (i = 0; i < ARRAY_SIZE(rfh_mq_tbl); i++) + for (q = 0; q < num_q; q++) { + u32 addr = rfh_mq_tbl[i].addr; + + addr += q * (rfh_mq_tbl[i].is64 ? 8 : 4); + pos += scnprintf(*buf + pos, bufsz - pos, + "%34s(q %2d): 0X%08x\n", + get_rfh_string(addr), q, + iwl_read_prph(trans, addr)); + } + + return pos; + } +#endif + + IWL_ERR(trans, "RFH register values:\n"); + for (i = 0; i < ARRAY_SIZE(rfh_tbl); i++) + IWL_ERR(trans, " %34s: 0X%08x\n", + get_rfh_string(rfh_tbl[i]), + iwl_read_prph(trans, rfh_tbl[i])); + + for (i = 0; i < ARRAY_SIZE(rfh_mq_tbl); i++) + for (q = 0; q < num_q; q++) { + u32 addr = rfh_mq_tbl[i].addr; + + addr += q * (rfh_mq_tbl[i].is64 ? 8 : 4); + IWL_ERR(trans, " %34s(q %d): 0X%08x\n", + get_rfh_string(addr), q, + iwl_read_prph(trans, addr)); + } + + return 0; +} + +static const char *get_fh_string(int cmd) +{ switch (cmd) { IWL_CMD(FH_RSCSR_CHNL0_STTS_WPTR_REG); IWL_CMD(FH_RSCSR_CHNL0_RBDCB_BASE_REG); @@ -262,6 +397,9 @@ int iwl_dump_fh(struct iwl_trans *trans, char **buf) FH_TSSR_TX_ERROR_REG }; + if (trans->cfg->mq_rx_supported) + return iwl_dump_rfh(trans, buf); + #ifdef CONFIG_IWLWIFI_DEBUGFS if (buf) { int pos = 0; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-io.h b/drivers/net/wireless/intel/iwlwifi/iwl-io.h index a9bcc788c..5c8c0e130 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-io.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-io.h @@ -34,6 +34,7 @@ void iwl_write8(struct iwl_trans *trans, u32 ofs, u8 val); void iwl_write32(struct iwl_trans *trans, u32 ofs, u32 val); +void iwl_write64(struct iwl_trans *trans, u64 ofs, u64 val); u32 iwl_read32(struct iwl_trans *trans, u32 ofs); static inline void iwl_set_bit(struct iwl_trans *trans, u32 reg, u32 mask) @@ -53,11 +54,13 @@ int iwl_poll_direct_bit(struct iwl_trans *trans, u32 addr, u32 mask, u32 iwl_read_direct32(struct iwl_trans *trans, u32 reg); void iwl_write_direct32(struct iwl_trans *trans, u32 reg, u32 value); +void iwl_write_direct64(struct iwl_trans *trans, u64 reg, u64 value); u32 iwl_read_prph_no_grab(struct iwl_trans *trans, u32 ofs); u32 iwl_read_prph(struct iwl_trans *trans, u32 ofs); void iwl_write_prph_no_grab(struct iwl_trans *trans, u32 ofs, u32 val); +void iwl_write_prph64_no_grab(struct iwl_trans *trans, u64 ofs, u64 val); void iwl_write_prph(struct iwl_trans *trans, u32 ofs, u32 val); int iwl_poll_prph_bit(struct iwl_trans *trans, u32 addr, u32 bits, u32 mask, int timeout); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h index 6c5c2f9f7..4d32b10fe 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h @@ -66,7 +66,6 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/gfp.h> -#include <net/mac80211.h> extern struct iwl_mod_params iwlwifi_mod_params; @@ -87,9 +86,10 @@ enum iwl_disable_11n { }; enum iwl_amsdu_size { - IWL_AMSDU_4K = 0, - IWL_AMSDU_8K = 1, - IWL_AMSDU_12K = 2, + IWL_AMSDU_DEF = 0, + IWL_AMSDU_4K = 1, + IWL_AMSDU_8K = 2, + IWL_AMSDU_12K = 3, }; enum iwl_uapsd_disable { @@ -105,7 +105,7 @@ enum iwl_uapsd_disable { * @sw_crypto: using hardware encryption, default = 0 * @disable_11n: disable 11n capabilities, default = 0, * use IWL_[DIS,EN]ABLE_HT_* constants - * @amsdu_size: enable 8K amsdu size, default = 4K. enum iwl_amsdu_size. + * @amsdu_size: See &enum iwl_amsdu_size. * @restart_fw: restart firmware, default = 1 * @bt_coex_active: enable bt coex, default = true * @led_mode: system default, default = 0 diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c index 21653fee8..43f8f7d45 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c @@ -397,6 +397,13 @@ static void iwl_init_vht_hw_capab(const struct iwl_cfg *cfg, vht_cap->cap |= IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN; switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: + if (cfg->mq_rx_supported) + vht_cap->cap |= + IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454; + else + vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; + break; case IWL_AMSDU_4K: vht_cap->cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895; break; diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h index 6c1d20ded..459bf736f 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h @@ -417,5 +417,6 @@ enum { }; #define UREG_CHICK (0xA05C00) +#define UREG_CHICK_MSI_ENABLE BIT(24) #define UREG_CHICK_MSIX_ENABLE BIT(25) #endif /* __iwl_prph_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 8193d36ae..5535e2238 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -211,6 +211,9 @@ struct iwl_cmd_header_wide { #define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */ #define FH_RSCSR_FRAME_INVALID 0x55550000 #define FH_RSCSR_FRAME_ALIGN 0x40 +#define FH_RSCSR_RPA_EN BIT(25) +#define FH_RSCSR_RXQ_POS 16 +#define FH_RSCSR_RXQ_MASK 0x3F0000 struct iwl_rx_packet { /* @@ -220,7 +223,13 @@ struct iwl_rx_packet { * 31: flag flush RB request * 30: flag ignore TC (terminal counter) request * 29: flag fast IRQ request - * 28-14: Reserved + * 28-26: Reserved + * 25: Offload enabled + * 24: RPF enabled + * 23: RSS enabled + * 22: Checksum enabled + * 21-16: RX queue + * 15-14: Reserved * 13-00: RX frame size */ __le32 len_n_flags; @@ -383,11 +392,6 @@ static inline void iwl_free_rxb(struct iwl_rx_cmd_buffer *r) #define MAX_NO_RECLAIM_CMDS 6 -/* - * The first entry in driver_data array in ieee80211_tx_info - * that can be used by the transport. - */ -#define IWL_TRANS_FIRST_DRIVER_DATA 2 #define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo)))) /* @@ -491,6 +495,8 @@ struct iwl_hcmd_arr { * @command_groups_size: number of command groups, to avoid illegal access * @sdio_adma_addr: the default address to set for the ADMA in SDIO mode until * we get the ALIVE from the uCode + * @cb_data_offs: offset inside skb->cb to store transport data at, must have + * space for at least two pointers */ struct iwl_trans_config { struct iwl_op_mode *op_mode; @@ -510,6 +516,8 @@ struct iwl_trans_config { int command_groups_size; u32 sdio_adma_addr; + + u8 cb_data_offs; }; struct iwl_trans_dump_data { @@ -574,6 +582,7 @@ struct iwl_trans_txq_scd_cfg { * configured. May sleep. * @txq_disable: de-configure a Tx queue to send AMPDUs * Must be atomic + * @txq_set_shared_mode: change Tx queue shared/unshared marking * @wait_tx_queue_empty: wait until tx queues are empty. May sleep. * @freeze_txq_timer: prevents the timer of the queue from firing until the * queue is set to awake. Must be atomic. @@ -637,6 +646,9 @@ struct iwl_trans_ops { void (*txq_disable)(struct iwl_trans *trans, int queue, bool configure_scd); + void (*txq_set_shared_mode)(struct iwl_trans *trans, u32 txq_id, + bool shared); + int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm); void (*freeze_txq_timer)(struct iwl_trans *trans, unsigned long txqs, bool freeze); @@ -749,6 +761,7 @@ enum iwl_plat_pm_mode { * @ops - pointer to iwl_trans_ops * @op_mode - pointer to the op_mode * @cfg - pointer to the configuration + * @drv - pointer to iwl_drv * @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. @@ -792,6 +805,7 @@ struct iwl_trans { const struct iwl_trans_ops *ops; struct iwl_op_mode *op_mode; const struct iwl_cfg *cfg; + struct iwl_drv *drv; enum iwl_trans_state state; unsigned long status; @@ -1052,6 +1066,13 @@ iwl_trans_txq_enable_cfg(struct iwl_trans *trans, int queue, u16 ssn, trans->ops->txq_enable(trans, queue, ssn, cfg, queue_wdg_timeout); } +static inline void iwl_trans_txq_set_shared_mode(struct iwl_trans *trans, + int queue, bool shared_mode) +{ + if (trans->ops->txq_set_shared_mode) + trans->ops->txq_set_shared_mode(trans, queue, shared_mode); +} + static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue, int fifo, int sta_id, int tid, int frame_limit, u16 ssn, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c index a63f5bbb1..5bdb6c2c8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c @@ -142,7 +142,7 @@ static const __le64 iwl_ci_mask[][3] = { cpu_to_le64(0x0) }, { - cpu_to_le64(0xFFC0000000ULL), + cpu_to_le64(0xFE00000000ULL), cpu_to_le64(0x0ULL), cpu_to_le64(0x0ULL) }, @@ -615,8 +615,8 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, * don't reduce the Tx power if one of these is true: * we are in LOOSE * single share antenna product - * BT is active - * we are associated + * BT is inactive + * we are not associated */ if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT || mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc || diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 406cf1cb9..b34489817 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1020,6 +1020,8 @@ static ssize_t iwl_dbgfs_max_amsdu_len_write(struct iwl_mvm *mvm, int ret; ret = kstrtouint(buf, 0, &max_amsdu_len); + if (ret) + return ret; if (max_amsdu_len > IEEE80211_MAX_MPDU_LEN_VHT_11454) return -EINVAL; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-coex.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-coex.h index 2a33b694b..204c1b139 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-coex.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-coex.h @@ -70,85 +70,6 @@ #define BITS(nb) (BIT(nb) - 1) -/** - * enum iwl_bt_coex_flags - flags for BT_COEX command - * @BT_COEX_MODE_POS: - * @BT_COEX_MODE_MSK: - * @BT_COEX_DISABLE_OLD: - * @BT_COEX_2W_OLD: - * @BT_COEX_3W_OLD: - * @BT_COEX_NW_OLD: - * @BT_COEX_AUTO_OLD: - * @BT_COEX_BT_OLD: Antenna is for BT (manufacuring tests) - * @BT_COEX_WIFI_OLD: Antenna is for BT (manufacuring tests) - * @BT_COEX_SYNC2SCO: - * @BT_COEX_CORUNNING: - * @BT_COEX_MPLUT: - * @BT_COEX_TTC: - * @BT_COEX_RRC: - * - * The COEX_MODE must be set for each command. Even if it is not changed. - */ -enum iwl_bt_coex_flags { - BT_COEX_MODE_POS = 3, - BT_COEX_MODE_MSK = BITS(3) << BT_COEX_MODE_POS, - BT_COEX_DISABLE_OLD = 0x0 << BT_COEX_MODE_POS, - BT_COEX_2W_OLD = 0x1 << BT_COEX_MODE_POS, - BT_COEX_3W_OLD = 0x2 << BT_COEX_MODE_POS, - BT_COEX_NW_OLD = 0x3 << BT_COEX_MODE_POS, - BT_COEX_AUTO_OLD = 0x5 << BT_COEX_MODE_POS, - BT_COEX_BT_OLD = 0x6 << BT_COEX_MODE_POS, - BT_COEX_WIFI_OLD = 0x7 << BT_COEX_MODE_POS, - BT_COEX_SYNC2SCO = BIT(7), - BT_COEX_CORUNNING = BIT(8), - BT_COEX_MPLUT = BIT(9), - BT_COEX_TTC = BIT(20), - BT_COEX_RRC = BIT(21), -}; - -/* - * indicates what has changed in the BT_COEX command. - * BT_VALID_ENABLE must be set for each command. Commands without this bit will - * discarded by the firmware - */ -enum iwl_bt_coex_valid_bit_msk { - BT_VALID_ENABLE = BIT(0), - BT_VALID_BT_PRIO_BOOST = BIT(1), - BT_VALID_MAX_KILL = BIT(2), - BT_VALID_3W_TMRS = BIT(3), - BT_VALID_KILL_ACK = BIT(4), - BT_VALID_KILL_CTS = BIT(5), - BT_VALID_REDUCED_TX_POWER = BIT(6), - BT_VALID_LUT = BIT(7), - BT_VALID_WIFI_RX_SW_PRIO_BOOST = BIT(8), - BT_VALID_WIFI_TX_SW_PRIO_BOOST = BIT(9), - BT_VALID_MULTI_PRIO_LUT = BIT(10), - BT_VALID_TRM_KICK_FILTER = BIT(11), - BT_VALID_CORUN_LUT_20 = BIT(12), - BT_VALID_CORUN_LUT_40 = BIT(13), - BT_VALID_ANT_ISOLATION = BIT(14), - BT_VALID_ANT_ISOLATION_THRS = BIT(15), - BT_VALID_TXTX_DELTA_FREQ_THRS = BIT(16), - BT_VALID_TXRX_MAX_FREQ_0 = BIT(17), - BT_VALID_SYNC_TO_SCO = BIT(18), - BT_VALID_TTC = BIT(20), - BT_VALID_RRC = BIT(21), -}; - -/** - * enum iwl_bt_reduced_tx_power - allows to reduce txpower for WiFi frames. - * @BT_REDUCED_TX_POWER_CTL: reduce Tx power for control frames - * @BT_REDUCED_TX_POWER_DATA: reduce Tx power for data frames - * - * This mechanism allows to have BT and WiFi run concurrently. Since WiFi - * reduces its Tx power, it can work along with BT, hence reducing the amount - * of WiFi frames being killed by BT. - */ -enum iwl_bt_reduced_tx_power { - BT_REDUCED_TX_POWER_CTL = BIT(0), - BT_REDUCED_TX_POWER_DATA = BIT(1), -}; - enum iwl_bt_coex_lut_type { BT_COEX_TIGHT_LUT = 0, BT_COEX_LOOSE_LUT, @@ -158,64 +79,9 @@ enum iwl_bt_coex_lut_type { BT_COEX_INVALID_LUT = 0xff, }; /* BT_COEX_DECISION_LUT_INDEX_API_E_VER_1 */ -#define BT_COEX_LUT_SIZE (12) #define BT_COEX_CORUN_LUT_SIZE (32) -#define BT_COEX_MULTI_PRIO_LUT_SIZE (2) -#define BT_COEX_BOOST_SIZE (4) #define BT_REDUCED_TX_POWER_BIT BIT(7) -/** - * struct iwl_bt_coex_cmd_old - bt coex configuration command - * @flags:&enum iwl_bt_coex_flags - * @max_kill: - * @bt_reduced_tx_power: enum %iwl_bt_reduced_tx_power - * @override_primary_lut: enum %iwl_bt_coex_lut_type: BT_COEX_INVALID_LUT - * should be set by default - * @override_secondary_lut: enum %iwl_bt_coex_lut_type: BT_COEX_INVALID_LUT - * should be set by default - * @bt4_antenna_isolation: antenna isolation - * @bt4_antenna_isolation_thr: antenna threshold value - * @bt4_tx_tx_delta_freq_thr: TxTx delta frequency - * @bt4_tx_rx_max_freq0: TxRx max frequency - * @bt_prio_boost: BT priority boost registers - * @wifi_tx_prio_boost: SW boost of wifi tx priority - * @wifi_rx_prio_boost: SW boost of wifi rx priority - * @kill_ack_msk: kill ACK mask. 1 - Tx ACK, 0 - kill Tx of ACK. - * @kill_cts_msk: kill CTS mask. 1 - Tx CTS, 0 - kill Tx of CTS. - * @decision_lut: PTA decision LUT, per Prio-Ch - * @bt4_multiprio_lut: multi priority LUT configuration - * @bt4_corun_lut20: co-running 20 MHz LUT configuration - * @bt4_corun_lut40: co-running 40 MHz LUT configuration - * @valid_bit_msk: enum %iwl_bt_coex_valid_bit_msk - * - * The structure is used for the BT_COEX command. - */ -struct iwl_bt_coex_cmd_old { - __le32 flags; - u8 max_kill; - u8 bt_reduced_tx_power; - u8 override_primary_lut; - u8 override_secondary_lut; - - u8 bt4_antenna_isolation; - u8 bt4_antenna_isolation_thr; - u8 bt4_tx_tx_delta_freq_thr; - u8 bt4_tx_rx_max_freq0; - - __le32 bt_prio_boost[BT_COEX_BOOST_SIZE]; - __le32 wifi_tx_prio_boost; - __le32 wifi_rx_prio_boost; - __le32 kill_ack_msk; - __le32 kill_cts_msk; - - __le32 decision_lut[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE]; - __le32 bt4_multiprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE]; - __le32 bt4_corun_lut20[BT_COEX_CORUN_LUT_SIZE]; - __le32 bt4_corun_lut40[BT_COEX_CORUN_LUT_SIZE]; - - __le32 valid_bit_msk; -} __packed; /* BT_COEX_CMD_API_S_VER_5 */ - enum iwl_bt_coex_mode { BT_COEX_DISABLE = 0x0, BT_COEX_NW = 0x1, @@ -385,92 +251,4 @@ struct iwl_bt_coex_profile_notif { u8 reserved[3]; } __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_4 */ -enum iwl_bt_coex_prio_table_event { - BT_COEX_PRIO_TBL_EVT_INIT_CALIB1 = 0, - BT_COEX_PRIO_TBL_EVT_INIT_CALIB2 = 1, - BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1 = 2, - BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2 = 3, - BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1 = 4, - BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2 = 5, - BT_COEX_PRIO_TBL_EVT_DTIM = 6, - BT_COEX_PRIO_TBL_EVT_SCAN52 = 7, - BT_COEX_PRIO_TBL_EVT_SCAN24 = 8, - BT_COEX_PRIO_TBL_EVT_IDLE = 9, - BT_COEX_PRIO_TBL_EVT_MAX = 16, -}; /* BT_COEX_PRIO_TABLE_EVENTS_API_E_VER_1 */ - -enum iwl_bt_coex_prio_table_prio { - BT_COEX_PRIO_TBL_DISABLED = 0, - BT_COEX_PRIO_TBL_PRIO_LOW = 1, - BT_COEX_PRIO_TBL_PRIO_HIGH = 2, - BT_COEX_PRIO_TBL_PRIO_BYPASS = 3, - BT_COEX_PRIO_TBL_PRIO_COEX_OFF = 4, - BT_COEX_PRIO_TBL_PRIO_COEX_ON = 5, - BT_COEX_PRIO_TBL_PRIO_COEX_IDLE = 6, - BT_COEX_PRIO_TBL_MAX = 8, -}; /* BT_COEX_PRIO_TABLE_PRIORITIES_API_E_VER_1 */ - -#define BT_COEX_PRIO_TBL_SHRD_ANT_POS (0) -#define BT_COEX_PRIO_TBL_PRIO_POS (1) -#define BT_COEX_PRIO_TBL_RESERVED_POS (4) - -/** - * struct iwl_bt_coex_prio_tbl_cmd - priority table for BT coex - * @prio_tbl: - */ -struct iwl_bt_coex_prio_tbl_cmd { - u8 prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX]; -} __packed; - -/** - * struct iwl_bt_coex_ci_cmd_old - bt coex channel inhibition command - * @bt_primary_ci: - * @bt_secondary_ci: - * @co_run_bw_primary: - * @co_run_bw_secondary: - * @primary_ch_phy_id: - * @secondary_ch_phy_id: - * - * Used for BT_COEX_CI command - */ -struct iwl_bt_coex_ci_cmd_old { - __le64 bt_primary_ci; - __le64 bt_secondary_ci; - - u8 co_run_bw_primary; - u8 co_run_bw_secondary; - u8 primary_ch_phy_id; - u8 secondary_ch_phy_id; -} __packed; /* BT_CI_MSG_API_S_VER_1 */ - -/** - * struct iwl_bt_coex_profile_notif_old - notification about BT coex - * @mbox_msg: message from BT to WiFi - * @msg_idx: the index of the message - * @bt_status: 0 - off, 1 - on - * @bt_open_conn: number of BT connections open - * @bt_traffic_load: load of BT traffic - * @bt_agg_traffic_load: aggregated load of BT traffic - * @bt_ci_compliance: 0 - no CI compliance, 1 - CI compliant - * @primary_ch_lut: LUT used for primary channel - * @secondary_ch_lut: LUT used for secondary channel - * @bt_activity_grading: the activity of BT enum %iwl_bt_activity_grading - */ -struct iwl_bt_coex_profile_notif_old { - __le32 mbox_msg[4]; - __le32 msg_idx; - u8 bt_status; - u8 bt_open_conn; - u8 bt_traffic_load; - u8 bt_agg_traffic_load; - u8 bt_ci_compliance; - u8 ttc_enabled; - u8 rrc_enabled; - u8 reserved; - - __le32 primary_ch_lut; - __le32 secondary_ch_lut; - __le32 bt_activity_grading; -} __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_3 */ - #endif /* __fw_api_bt_coex_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-mac.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-mac.h index 95ac59d08..0246506ab 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-mac.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-mac.h @@ -72,6 +72,9 @@ #define NUM_MAC_INDEX_DRIVER MAC_INDEX_AUX #define NUM_MAC_INDEX (MAC_INDEX_AUX + 1) +#define IWL_MVM_STATION_COUNT 16 +#define IWL_MVM_TDLS_STA_COUNT 4 + enum iwl_ac { AC_BK, AC_BE, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h index 65a7c8a4c..404b0de9e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h @@ -7,7 +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 + * Copyright(c) 2015 - 2016 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 @@ -34,7 +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 + * Copyright(c) 2015 - 2016 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -310,7 +310,8 @@ 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 */; + IWL_TX_POWER_MODE_SET_ACK = 3, +}; /* TX_POWER_REDUCED_FLAGS_TYPE_API_E_VER_4 */; /** * struct iwl_dev_tx_power_cmd_v2 - TX power reduction command @@ -338,7 +339,7 @@ struct iwl_dev_tx_power_cmd_v2 { * @v2: version 2 of the command, embedded here for easier software handling * @per_chain_restriction: per chain restrictions */ -struct iwl_dev_tx_power_cmd { +struct iwl_dev_tx_power_cmd_v3 { /* 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]; @@ -347,6 +348,19 @@ struct iwl_dev_tx_power_cmd { #define IWL_DEV_MAX_TX_POWER 0x7FFF /** + * struct iwl_dev_tx_power_cmd - TX power reduction command + * @v3: version 3 of the command, embedded here for easier software handling + * @enable_ack_reduction: enable or disable close range ack TX power + * reduction. + */ +struct iwl_dev_tx_power_cmd { + /* v4 is just an extension of v3 - keep this here */ + struct iwl_dev_tx_power_cmd_v3 v3; + u8 enable_ack_reduction; + u8 reserved[3]; +} __packed; /* TX_REDUCED_POWER_API_S_VER_4 */ + +/** * struct iwl_beacon_filter_cmd * REPLY_BEACON_FILTERING_CMD = 0xd2 (command) * @id_and_color: MAC contex identifier diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h index 1ca8e4988..acc5cd53e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h @@ -296,7 +296,7 @@ enum iwl_rx_mpdu_status { IWL_RX_MPDU_STATUS_OVERRUN_OK = BIT(1), IWL_RX_MPDU_STATUS_SRC_STA_FOUND = BIT(2), IWL_RX_MPDU_STATUS_KEY_VALID = BIT(3), - IWL_RX_MPDU_STATUS_KEY_ERROR = BIT(4), + IWL_RX_MPDU_STATUS_KEY_PARAM_OK = BIT(4), IWL_RX_MPDU_STATUS_ICV_OK = BIT(5), IWL_RX_MPDU_STATUS_MIC_OK = BIT(6), IWL_RX_MPDU_RES_STATUS_TTAK_OK = BIT(7), @@ -311,7 +311,7 @@ enum iwl_rx_mpdu_status { IWL_RX_MPDU_STATUS_WEP_MATCH = BIT(12), IWL_RX_MPDU_STATUS_EXT_IV_MATCH = BIT(13), IWL_RX_MPDU_STATUS_KEY_ID_MATCH = BIT(14), - IWL_RX_MPDU_STATUS_KEY_COLOR = BIT(15), + IWL_RX_MPDU_STATUS_ROBUST_MNG_FRAME = BIT(15), }; enum iwl_rx_mpdu_hash_filter { @@ -336,6 +336,18 @@ enum iwl_rx_mpdu_reorder_data { IWL_RX_MPDU_REORDER_BA_OLD_SN = 0x80000000, }; +enum iwl_rx_mpdu_phy_info { + IWL_RX_MPDU_PHY_AMPDU = BIT(5), + IWL_RX_MPDU_PHY_AMPDU_TOGGLE = BIT(6), + IWL_RX_MPDU_PHY_SHORT_PREAMBLE = BIT(7), + IWL_RX_MPDU_PHY_TSF_OVERLOAD = BIT(8), +}; + +enum iwl_rx_mpdu_mac_info { + IWL_RX_MPDU_PHY_MAC_INDEX_MASK = 0x0f, + IWL_RX_MPDU_PHY_PHY_INDEX_MASK = 0xf0, +}; + struct iwl_rx_mpdu_desc { /* DW2 */ __le16 mpdu_len; @@ -343,9 +355,9 @@ struct iwl_rx_mpdu_desc { u8 mac_flags2; /* DW3 */ u8 amsdu_info; - __le16 reserved_for_software; + __le16 phy_info; u8 mac_phy_idx; - /* DW4 */ + /* DW4 - carries csum data only when rpa_en == 1 */ __le16 raw_csum; /* alledgedly unreliable */ __le16 l3l4_flags; /* DW5 */ @@ -354,17 +366,17 @@ struct iwl_rx_mpdu_desc { u8 sta_id_flags; /* DW6 */ __le32 reorder_data; - /* DW7 */ + /* DW7 - carries rss_hash only when rpa_en == 1 */ __le32 rss_hash; - /* DW8 */ + /* DW8 - carries filter_match only when rpa_en == 1 */ __le32 filter_match; /* DW9 */ __le32 rate_n_flags; /* DW10 */ - u8 energy_a, energy_b, channel, reserved; + u8 energy_a, energy_b, channel, mac_context; /* DW11 */ __le32 gp2_on_air_rise; - /* DW12 & DW13 */ + /* DW12 & DW13 - carries TSF only TSF_OVERLOAD bit == 0 */ __le64 tsf_on_air_rise; } __packed; @@ -435,26 +447,26 @@ struct iwl_rxq_sync_notification { } __packed; /* MULTI_QUEUE_DRV_SYNC_HDR_CMD_API_S_VER_1 */ /** -* Internal message identifier -* -* @IWL_MVM_RXQ_EMPTY: empty sync notification -* @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA -*/ + * Internal message identifier + * + * @IWL_MVM_RXQ_EMPTY: empty sync notification + * @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA + */ enum iwl_mvm_rxq_notif_type { IWL_MVM_RXQ_EMPTY, IWL_MVM_RXQ_NOTIF_DEL_BA, }; /** -* struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent -* in &iwl_rxq_sync_cmd. Should be DWORD aligned. -* FW is agnostic to the payload, so there are no endianity requirements. -* -* @type: value from &iwl_mvm_rxq_notif_type -* @sync: ctrl path is waiting for all notifications to be received -* @cookie: internal cookie to identify old notifications -* @data: payload -*/ + * struct iwl_mvm_internal_rxq_notif - Internal representation of the data sent + * in &iwl_rxq_sync_cmd. Should be DWORD aligned. + * FW is agnostic to the payload, so there are no endianity requirements. + * + * @type: value from &iwl_mvm_rxq_notif_type + * @sync: ctrl path is waiting for all notifications to be received + * @cookie: internal cookie to identify old notifications + * @data: payload + */ struct iwl_mvm_internal_rxq_notif { u16 type; u16 sync; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h index 38b1d045b..d1c4fb849 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-sta.h @@ -141,6 +141,7 @@ enum iwl_sta_flags { * @STA_KEY_FLG_CCM: CCMP encryption algorithm * @STA_KEY_FLG_TKIP: TKIP encryption algorithm * @STA_KEY_FLG_EXT: extended cipher algorithm (depends on the FW support) + * @STA_KEY_FLG_GCMP: GCMP encryption algorithm * @STA_KEY_FLG_CMAC: CMAC encryption algorithm * @STA_KEY_FLG_ENC_UNKNOWN: unknown encryption algorithm * @STA_KEY_FLG_EN_MSK: mask for encryption algorithmi value @@ -149,6 +150,7 @@ enum iwl_sta_flags { * @STA_KEY_FLG_KEYID_MSK: the index of the key * @STA_KEY_NOT_VALID: key is invalid * @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key + * @STA_KEY_FLG_KEY_32BYTES for non-wep key set for 32 bytes key * @STA_KEY_MULTICAST: set for multical key * @STA_KEY_MFP: key is used for Management Frame Protection */ @@ -158,6 +160,7 @@ enum iwl_sta_key_flag { STA_KEY_FLG_CCM = (2 << 0), STA_KEY_FLG_TKIP = (3 << 0), STA_KEY_FLG_EXT = (4 << 0), + STA_KEY_FLG_GCMP = (5 << 0), STA_KEY_FLG_CMAC = (6 << 0), STA_KEY_FLG_ENC_UNKNOWN = (7 << 0), STA_KEY_FLG_EN_MSK = (7 << 0), @@ -167,6 +170,7 @@ enum iwl_sta_key_flag { STA_KEY_FLG_KEYID_MSK = (3 << STA_KEY_FLG_KEYID_POS), STA_KEY_NOT_VALID = BIT(11), STA_KEY_FLG_WEP_13BYTES = BIT(12), + STA_KEY_FLG_KEY_32BYTES = BIT(12), STA_KEY_MULTICAST = BIT(14), STA_KEY_MFP = BIT(15), }; @@ -388,7 +392,6 @@ struct iwl_mvm_add_sta_cmd { * @key_offset: key offset in key storage * @key_flags: type %iwl_sta_key_flag * @key: key material data - * @key2: key material data * @rx_secur_seq_cnt: RX security sequence counter for the key * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx @@ -397,8 +400,7 @@ struct iwl_mvm_add_sta_key_cmd { u8 sta_id; u8 key_offset; __le16 key_flags; - u8 key[16]; - u8 key2[16]; + u8 key[32]; u8 rx_secur_seq_cnt[16]; u8 tkip_rx_tsc_byte2; u8 reserved; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-stats.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-stats.h index 438665a54..4e638a44b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-stats.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-stats.h @@ -7,6 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 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 @@ -252,6 +253,20 @@ struct mvm_statistics_general_v8 { u8 reserved[4 - (NUM_MAC_INDEX % 4)]; } __packed; /* STATISTICS_GENERAL_API_S_VER_8 */ +/** + * struct mvm_statistics_load - RX statistics for multi-queue devices + * @air_time: accumulated air time, per mac + * @byte_count: accumulated byte count, per mac + * @pkt_count: accumulated packet count, per mac + * @avg_energy: average RSSI, per station + */ +struct mvm_statistics_load { + __le32 air_time[NUM_MAC_INDEX]; + __le32 byte_count[NUM_MAC_INDEX]; + __le32 pkt_count[NUM_MAC_INDEX]; + u8 avg_energy[IWL_MVM_STATION_COUNT]; +} __packed; /* STATISTICS_RX_MAC_STATION_S_VER_1 */ + struct mvm_statistics_rx { struct mvm_statistics_rx_phy ofdm; struct mvm_statistics_rx_phy cck; @@ -266,7 +281,6 @@ struct mvm_statistics_rx { * while associated. To disable this behavior, set DISABLE_NOTIF flag in the * STATISTICS_CMD (0x9c), below. */ - struct iwl_notif_statistics_v10 { __le32 flag; struct mvm_statistics_rx rx; @@ -274,6 +288,14 @@ struct iwl_notif_statistics_v10 { struct mvm_statistics_general_v8 general; } __packed; /* STATISTICS_NTFY_API_S_VER_10 */ +struct iwl_notif_statistics_v11 { + __le32 flag; + struct mvm_statistics_rx rx; + struct mvm_statistics_tx tx; + struct mvm_statistics_general_v8 general; + struct mvm_statistics_load load_stats; +} __packed; /* STATISTICS_NTFY_API_S_VER_11 */ + #define IWL_STATISTICS_FLG_CLEAR 0x1 #define IWL_STATISTICS_FLG_DISABLE_NOTIF 0x2 diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h index dadcccd88..4144623e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -137,17 +137,32 @@ enum iwl_tx_pm_timeouts { PM_FRAME_ASSOC = 3, }; -/* - * TX command security control - */ -#define TX_CMD_SEC_WEP 0x01 -#define TX_CMD_SEC_CCM 0x02 -#define TX_CMD_SEC_TKIP 0x03 -#define TX_CMD_SEC_EXT 0x04 #define TX_CMD_SEC_MSK 0x07 #define TX_CMD_SEC_WEP_KEY_IDX_POS 6 #define TX_CMD_SEC_WEP_KEY_IDX_MSK 0xc0 -#define TX_CMD_SEC_KEY128 0x08 + +/** + * enum iwl_tx_cmd_sec_ctrl - bitmasks for security control in TX command + * @TX_CMD_SEC_WEP: WEP encryption algorithm. + * @TX_CMD_SEC_CCM: CCM encryption algorithm. + * @TX_CMD_SEC_TKIP: TKIP encryption algorithm. + * @TX_CMD_SEC_EXT: extended cipher algorithm. + * @TX_CMD_SEC_GCMP: GCMP encryption algorithm. + * @TX_CMD_SEC_KEY128: set for 104 bits WEP key. + * @TC_CMD_SEC_KEY_FROM_TABLE: for a non-WEP key, set if the key should be taken + * from the table instead of from the TX command. + * If the key is taken from the key table its index should be given by the + * first byte of the TX command key field. + */ +enum iwl_tx_cmd_sec_ctrl { + TX_CMD_SEC_WEP = 0x01, + TX_CMD_SEC_CCM = 0x02, + TX_CMD_SEC_TKIP = 0x03, + TX_CMD_SEC_EXT = 0x04, + TX_CMD_SEC_GCMP = 0x05, + TX_CMD_SEC_KEY128 = 0x08, + TC_CMD_SEC_KEY_FROM_TABLE = 0x08, +}; /* TODO: how does these values are OK with only 16 bit variable??? */ /* @@ -562,8 +577,8 @@ struct iwl_mvm_ba_notif { u8 reserved1; } __packed; -/* - * struct iwl_mac_beacon_cmd - beacon template command +/** + * struct iwl_mac_beacon_cmd_v6 - beacon template command * @tx: the tx commands associated with the beacon frame * @template_id: currently equal to the mac context id of the coresponding * mac. @@ -571,13 +586,34 @@ struct iwl_mvm_ba_notif { * @tim_size: the length of the tim IE * @frame: the template of the beacon frame */ +struct iwl_mac_beacon_cmd_v6 { + struct iwl_tx_cmd tx; + __le32 template_id; + __le32 tim_idx; + __le32 tim_size; + struct ieee80211_hdr frame[0]; +} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_6 */ + +/** + * struct iwl_mac_beacon_cmd - beacon template command with offloaded CSA + * @tx: the tx commands associated with the beacon frame + * @template_id: currently equal to the mac context id of the coresponding + * mac. + * @tim_idx: the offset of the tim IE in the beacon + * @tim_size: the length of the tim IE + * @ecsa_offset: offset to the ECSA IE if present + * @csa_offset: offset to the CSA IE if present + * @frame: the template of the beacon frame + */ struct iwl_mac_beacon_cmd { struct iwl_tx_cmd tx; __le32 template_id; __le32 tim_idx; __le32 tim_size; + __le32 ecsa_offset; + __le32 csa_offset; struct ieee80211_hdr frame[0]; -} __packed; +} __packed; /* BEACON_TEMPLATE_CMD_API_S_VER_7 */ struct iwl_beacon_notif { struct iwl_mvm_tx_resp beacon_notify_hdr; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h index 41b80ae2d..71076f027 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h @@ -90,6 +90,7 @@ enum { * DQA queue numbers * * @IWL_MVM_DQA_CMD_QUEUE: a queue reserved for sending HCMDs to the FW + * @IWL_MVM_DQA_AUX_QUEUE: a queue reserved for aux frames * @IWL_MVM_DQA_P2P_DEVICE_QUEUE: a queue reserved for P2P device frames * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames * @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure @@ -108,6 +109,7 @@ enum { */ enum iwl_mvm_dqa_txq { IWL_MVM_DQA_CMD_QUEUE = 0, + IWL_MVM_DQA_AUX_QUEUE = 1, IWL_MVM_DQA_P2P_DEVICE_QUEUE = 2, IWL_MVM_DQA_GCAST_QUEUE = 3, IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4, @@ -127,9 +129,6 @@ enum iwl_mvm_tx_fifo { IWL_MVM_TX_FIFO_CMD = 7, }; -#define IWL_MVM_STATION_COUNT 16 - -#define IWL_MVM_TDLS_STA_COUNT 4 /* commands */ enum { @@ -314,6 +313,7 @@ enum { enum iwl_mac_conf_subcmd_ids { LINK_QUALITY_MEASUREMENT_CMD = 0x1, LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF = 0xFE, + CHANNEL_SWITCH_NOA_NOTIF = 0xFF, }; enum iwl_phy_ops_subcmd_ids { @@ -329,6 +329,7 @@ enum iwl_system_subcmd_ids { }; enum iwl_data_path_subcmd_ids { + DQA_ENABLE_CMD = 0x0, UPDATE_MU_GROUPS_CMD = 0x1, TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2, MU_GROUP_MGMT_NOTIF = 0xFE, @@ -359,6 +360,14 @@ struct iwl_cmd_response { }; /* + * struct iwl_dqa_enable_cmd + * @cmd_queue: the TXQ number of the command queue + */ +struct iwl_dqa_enable_cmd { + __le32 cmd_queue; +} __packed; /* DQA_CONTROL_CMD_API_S_VER_1 */ + +/* * struct iwl_tx_ant_cfg_cmd * @valid: valid antenna configuration */ @@ -732,7 +741,7 @@ enum iwl_time_event_type { /* P2P GO Events */ TE_P2P_GO_ASSOC_PROT, - TE_P2P_GO_REPETITIVE_NOA, + TE_P2P_GO_REPETITIVET_NOA, TE_P2P_GO_CT_WINDOW, /* WiDi Sync Events */ @@ -2111,4 +2120,13 @@ struct iwl_link_qual_msrmnt_notif { __le32 reserved[3]; } __packed; /* LQM_MEASUREMENT_COMPLETE_NTF_API_S_VER1 */ +/** + * Channel switch NOA notification + * + * @id_and_color: ID and color of the MAC + */ +struct iwl_channel_switch_noa_notif { + __le32 id_and_color; +} __packed; /* CHANNEL_SWITCH_START_NTFY_API_S_VER_1 */ + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index e1b6b2c66..46b52bf70 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -288,7 +288,8 @@ static void iwl_mvm_dump_fifos(struct iwl_mvm *mvm, fifo_hdr->fifo_num = cpu_to_le32(i); /* Mark the number of TXF we're pulling now */ - iwl_trans_write_prph(mvm->trans, TXF_CPU2_NUM, i); + iwl_trans_write_prph(mvm->trans, TXF_CPU2_NUM, i + + ARRAY_SIZE(mvm->shared_mem_cfg.txfifo_size)); fifo_hdr->available_bytes = cpu_to_le32(iwl_trans_read_prph(mvm->trans, @@ -959,5 +960,6 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) } mvm->fw_dbg_conf = conf_id; - return ret; + + return 0; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h index f7dff7612..e9f1be9da 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h @@ -105,7 +105,8 @@ iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig, { u32 trig_vif = le32_to_cpu(trig->vif_type); - return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif; + return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || + ieee80211_vif_type_p2p(vif) == trig_vif; } static inline bool diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 7057f35cb..7e0cdbf8b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -65,6 +65,7 @@ *****************************************************************************/ #include <net/mac80211.h> #include <linux/netdevice.h> +#include <linux/acpi.h> #include "iwl-trans.h" #include "iwl-op-mode.h" @@ -122,6 +123,9 @@ static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) IWL_RSS_HASH_TYPE_IPV6_PAYLOAD, }; + if (mvm->trans->num_rx_queues == 1) + return 0; + /* Do not direct RSS traffic to Q 0 which is our fallback queue */ for (i = 0; i < ARRAY_SIZE(cmd.indirection_table); i++) cmd.indirection_table[i] = @@ -131,6 +135,23 @@ static int iwl_send_rss_cfg_cmd(struct iwl_mvm *mvm) return iwl_mvm_send_cmd_pdu(mvm, RSS_CONFIG_CMD, 0, sizeof(cmd), &cmd); } +static int iwl_mvm_send_dqa_cmd(struct iwl_mvm *mvm) +{ + struct iwl_dqa_enable_cmd dqa_cmd = { + .cmd_queue = cpu_to_le32(IWL_MVM_DQA_CMD_QUEUE), + }; + u32 cmd_id = iwl_cmd_id(DQA_ENABLE_CMD, DATA_PATH_GROUP, 0); + int ret; + + ret = iwl_mvm_send_cmd_pdu(mvm, cmd_id, 0, sizeof(dqa_cmd), &dqa_cmd); + if (ret) + IWL_ERR(mvm, "Failed to send DQA enabling command: %d\n", ret); + else + IWL_DEBUG_FW(mvm, "Working in DQA mode\n"); + + return ret; +} + void iwl_free_fw_paging(struct iwl_mvm *mvm) { int i; @@ -139,17 +160,21 @@ void iwl_free_fw_paging(struct iwl_mvm *mvm) return; for (i = 0; i < NUM_OF_FW_PAGING_BLOCKS; i++) { - if (!mvm->fw_paging_db[i].fw_paging_block) { + struct iwl_fw_paging *paging = &mvm->fw_paging_db[i]; + + if (!paging->fw_paging_block) { IWL_DEBUG_FW(mvm, "Paging: block %d already freed, continue to next page\n", i); continue; } + dma_unmap_page(mvm->trans->dev, paging->fw_paging_phys, + paging->fw_paging_size, DMA_BIDIRECTIONAL); - __free_pages(mvm->fw_paging_db[i].fw_paging_block, - get_order(mvm->fw_paging_db[i].fw_paging_size)); - mvm->fw_paging_db[i].fw_paging_block = NULL; + __free_pages(paging->fw_paging_block, + get_order(paging->fw_paging_size)); + paging->fw_paging_block = NULL; } kfree(mvm->trans->paging_download_buf); mvm->trans->paging_download_buf = NULL; @@ -882,6 +907,177 @@ static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) sizeof(cmd), &cmd); } +#define ACPI_WRDS_METHOD "WRDS" +#define ACPI_WRDS_WIFI (0x07) +#define ACPI_WRDS_TABLE_SIZE 10 + +struct iwl_mvm_sar_table { + bool enabled; + u8 values[ACPI_WRDS_TABLE_SIZE]; +}; + +#ifdef CONFIG_ACPI +static int iwl_mvm_sar_get_wrds(struct iwl_mvm *mvm, union acpi_object *wrds, + struct iwl_mvm_sar_table *sar_table) +{ + union acpi_object *data_pkg; + u32 i; + + /* We need at least two packages, one for the revision and one + * for the data itself. Also check that the revision is valid + * (i.e. it is an integer set to 0). + */ + if (wrds->type != ACPI_TYPE_PACKAGE || + wrds->package.count < 2 || + wrds->package.elements[0].type != ACPI_TYPE_INTEGER || + wrds->package.elements[0].integer.value != 0) { + IWL_DEBUG_RADIO(mvm, "Unsupported wrds structure\n"); + return -EINVAL; + } + + /* loop through all the packages to find the one for WiFi */ + for (i = 1; i < wrds->package.count; i++) { + union acpi_object *domain; + + data_pkg = &wrds->package.elements[i]; + + /* Skip anything that is not a package with the right + * amount of elements (i.e. domain_type, + * enabled/disabled plus the sar table size. + */ + if (data_pkg->type != ACPI_TYPE_PACKAGE || + data_pkg->package.count != ACPI_WRDS_TABLE_SIZE + 2) + continue; + + domain = &data_pkg->package.elements[0]; + if (domain->type == ACPI_TYPE_INTEGER && + domain->integer.value == ACPI_WRDS_WIFI) + break; + + data_pkg = NULL; + } + + if (!data_pkg) + return -ENOENT; + + if (data_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) + return -EINVAL; + + sar_table->enabled = !!(data_pkg->package.elements[1].integer.value); + + for (i = 0; i < ACPI_WRDS_TABLE_SIZE; i++) { + union acpi_object *entry; + + entry = &data_pkg->package.elements[i + 2]; + if ((entry->type != ACPI_TYPE_INTEGER) || + (entry->integer.value > U8_MAX)) + return -EINVAL; + + sar_table->values[i] = entry->integer.value; + } + + return 0; +} + +static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm, + struct iwl_mvm_sar_table *sar_table) +{ + acpi_handle root_handle; + acpi_handle handle; + struct acpi_buffer wrds = {ACPI_ALLOCATE_BUFFER, NULL}; + acpi_status status; + int ret; + + root_handle = ACPI_HANDLE(mvm->dev); + if (!root_handle) { + IWL_DEBUG_RADIO(mvm, + "Could not retrieve root port ACPI handle\n"); + return -ENOENT; + } + + /* Get the method's handle */ + status = acpi_get_handle(root_handle, (acpi_string)ACPI_WRDS_METHOD, + &handle); + if (ACPI_FAILURE(status)) { + IWL_DEBUG_RADIO(mvm, "WRDS method not found\n"); + return -ENOENT; + } + + /* Call WRDS with no arguments */ + status = acpi_evaluate_object(handle, NULL, NULL, &wrds); + if (ACPI_FAILURE(status)) { + IWL_DEBUG_RADIO(mvm, "WRDS invocation failed (0x%x)\n", status); + return -ENOENT; + } + + ret = iwl_mvm_sar_get_wrds(mvm, wrds.pointer, sar_table); + kfree(wrds.pointer); + + return ret; +} +#else /* CONFIG_ACPI */ +static int iwl_mvm_sar_get_table(struct iwl_mvm *mvm, + struct iwl_mvm_sar_table *sar_table) +{ + return -ENOENT; +} +#endif /* CONFIG_ACPI */ + +static int iwl_mvm_sar_init(struct iwl_mvm *mvm) +{ + struct iwl_mvm_sar_table sar_table; + struct iwl_dev_tx_power_cmd cmd = { + .v3.v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS), + }; + int ret, i, j, idx; + int len = sizeof(cmd); + + /* we can't do anything with the table if the FW doesn't support it */ + if (!fw_has_api(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_API_TX_POWER_CHAIN)) { + IWL_DEBUG_RADIO(mvm, + "FW doesn't support per-chain TX power settings.\n"); + return 0; + } + + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) + len = sizeof(cmd.v3); + + ret = iwl_mvm_sar_get_table(mvm, &sar_table); + if (ret < 0) { + IWL_DEBUG_RADIO(mvm, + "SAR BIOS table invalid or unavailable. (%d)\n", + ret); + /* we don't fail if the table is not available */ + return 0; + } + + if (!sar_table.enabled) + return 0; + + IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n"); + + BUILD_BUG_ON(IWL_NUM_CHAIN_LIMITS * IWL_NUM_SUB_BANDS != + ACPI_WRDS_TABLE_SIZE); + + for (i = 0; i < IWL_NUM_CHAIN_LIMITS; i++) { + IWL_DEBUG_RADIO(mvm, " Chain[%d]:\n", i); + for (j = 0; j < IWL_NUM_SUB_BANDS; j++) { + idx = (i * IWL_NUM_SUB_BANDS) + j; + cmd.v3.per_chain_restriction[i][j] = + cpu_to_le16(sar_table.values[idx]); + IWL_DEBUG_RADIO(mvm, " Band[%d] = %d * .125dBm\n", + j, sar_table.values[idx]); + } + } + + ret = iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); + if (ret) + IWL_ERR(mvm, "failed to set per-chain TX power: %d\n", ret); + + return ret; +} + int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; @@ -976,6 +1172,15 @@ int iwl_mvm_up(struct iwl_mvm *mvm) /* reset quota debouncing buffer - 0xff will yield invalid data */ memset(&mvm->last_quota_cmd, 0xff, sizeof(mvm->last_quota_cmd)); + /* Enable DQA-mode if required */ + if (iwl_mvm_is_dqa_supported(mvm)) { + ret = iwl_mvm_send_dqa_cmd(mvm); + if (ret) + goto error; + } else { + IWL_DEBUG_FW(mvm, "Working in non-DQA mode\n"); + } + /* Add auxiliary station for scanning */ ret = iwl_mvm_add_aux_sta(mvm); if (ret) @@ -1048,6 +1253,10 @@ int iwl_mvm_up(struct iwl_mvm *mvm) if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN); + ret = iwl_mvm_sar_init(mvm); + if (ret) + goto error; + IWL_DEBUG_INFO(mvm, "RT uCode started.\n"); return 0; error: diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 7aae068c0..69c42ce45 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1006,7 +1006,7 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm, } static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, - struct iwl_mac_beacon_cmd *beacon_cmd, + struct iwl_mac_beacon_cmd_v6 *beacon_cmd, u8 *beacon, u32 frame_size) { u32 tim_idx; @@ -1030,6 +1030,23 @@ static void iwl_mvm_mac_ctxt_set_tim(struct iwl_mvm *mvm, } } +static u32 iwl_mvm_find_ie_offset(u8 *beacon, u8 eid, u32 frame_size) +{ + struct ieee80211_mgmt *mgmt = (void *)beacon; + const u8 *ie; + + if (WARN_ON_ONCE(frame_size <= (mgmt->u.beacon.variable - beacon))) + return 0; + + frame_size -= mgmt->u.beacon.variable - beacon; + + ie = cfg80211_find_ie(eid, mgmt->u.beacon.variable, frame_size); + if (!ie) + return 0; + + return ie - beacon; +} + static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct sk_buff *beacon) @@ -1039,7 +1056,10 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, .id = BEACON_TEMPLATE_CMD, .flags = CMD_ASYNC, }; - struct iwl_mac_beacon_cmd beacon_cmd = {}; + union { + struct iwl_mac_beacon_cmd_v6 beacon_cmd_v6; + struct iwl_mac_beacon_cmd beacon_cmd; + } u = {}; struct ieee80211_tx_info *info; u32 beacon_skb_len; u32 rate, tx_flags; @@ -1051,18 +1071,18 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, /* TODO: for now the beacon template id is set to be the mac context id. * Might be better to handle it as another resource ... */ - beacon_cmd.template_id = cpu_to_le32((u32)mvmvif->id); + u.beacon_cmd_v6.template_id = cpu_to_le32((u32)mvmvif->id); info = IEEE80211_SKB_CB(beacon); /* Set up TX command fields */ - beacon_cmd.tx.len = cpu_to_le16((u16)beacon_skb_len); - beacon_cmd.tx.sta_id = mvmvif->bcast_sta.sta_id; - beacon_cmd.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); + u.beacon_cmd_v6.tx.len = cpu_to_le16((u16)beacon_skb_len); + u.beacon_cmd_v6.tx.sta_id = mvmvif->bcast_sta.sta_id; + u.beacon_cmd_v6.tx.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); tx_flags = TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_TSF; tx_flags |= iwl_mvm_bt_coex_tx_prio(mvm, (void *)beacon->data, info, 0) << TX_CMD_FLG_BT_PRIO_POS; - beacon_cmd.tx.tx_flags = cpu_to_le32(tx_flags); + u.beacon_cmd_v6.tx.tx_flags = cpu_to_le32(tx_flags); if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_BEACON_ANT_SELECTION)) { @@ -1071,7 +1091,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, mvm->mgmt_last_antenna_idx); } - beacon_cmd.tx.rate_n_flags = + u.beacon_cmd_v6.tx.rate_n_flags = cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS); @@ -1079,20 +1099,37 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, rate = IWL_FIRST_OFDM_RATE; } else { rate = IWL_FIRST_CCK_RATE; - beacon_cmd.tx.rate_n_flags |= cpu_to_le32(RATE_MCS_CCK_MSK); + u.beacon_cmd_v6.tx.rate_n_flags |= + cpu_to_le32(RATE_MCS_CCK_MSK); } - beacon_cmd.tx.rate_n_flags |= + u.beacon_cmd_v6.tx.rate_n_flags |= cpu_to_le32(iwl_mvm_mac80211_idx_to_hwrate(rate)); /* Set up TX beacon command fields */ if (vif->type == NL80211_IFTYPE_AP) - iwl_mvm_mac_ctxt_set_tim(mvm, &beacon_cmd, + iwl_mvm_mac_ctxt_set_tim(mvm, &u.beacon_cmd_v6, beacon->data, beacon_skb_len); /* Submit command */ - cmd.len[0] = sizeof(beacon_cmd); - cmd.data[0] = &beacon_cmd; + + if (fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CSA_AND_TBTT_OFFLOAD)) { + u.beacon_cmd.csa_offset = + cpu_to_le32(iwl_mvm_find_ie_offset(beacon->data, + WLAN_EID_CHANNEL_SWITCH, + beacon_skb_len)); + u.beacon_cmd.ecsa_offset = + cpu_to_le32(iwl_mvm_find_ie_offset(beacon->data, + WLAN_EID_EXT_CHANSWITCH_ANN, + beacon_skb_len)); + + cmd.len[0] = sizeof(u.beacon_cmd); + } else { + cmd.len[0] = sizeof(u.beacon_cmd_v6); + } + + cmd.data[0] = &u; cmd.dataflags[0] = 0; cmd.len[1] = beacon_skb_len; cmd.data[1] = beacon->data; @@ -1538,3 +1575,48 @@ void iwl_mvm_rx_stored_beacon_notif(struct iwl_mvm *mvm, /* pass it as regular rx to mac80211 */ ieee80211_rx_napi(mvm->hw, NULL, skb, NULL); } + +void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_channel_switch_noa_notif *notif = (void *)pkt->data; + struct ieee80211_vif *csa_vif; + struct iwl_mvm_vif *mvmvif; + int len = iwl_rx_packet_payload_len(pkt); + u32 id_n_color; + + if (WARN_ON_ONCE(len < sizeof(*notif))) + return; + + rcu_read_lock(); + + csa_vif = rcu_dereference(mvm->csa_vif); + if (WARN_ON(!csa_vif || !csa_vif->csa_active)) + goto out_unlock; + + id_n_color = le32_to_cpu(notif->id_and_color); + + mvmvif = iwl_mvm_vif_from_mac80211(csa_vif); + if (WARN(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color) != id_n_color, + "channel switch noa notification on unexpected vif (csa_vif=%d, notif=%d)", + FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color), id_n_color)) + goto out_unlock; + + IWL_DEBUG_INFO(mvm, "Channel Switch Started Notification\n"); + + queue_delayed_work(system_wq, &mvm->cs_tx_unblock_dwork, + msecs_to_jiffies(IWL_MVM_CS_UNBLOCK_TX_TIMEOUT * + csa_vif->bss_conf.beacon_int)); + + ieee80211_csa_finish(csa_vif); + + rcu_read_unlock(); + + RCU_INIT_POINTER(mvm->csa_vif, NULL); + + return; + +out_unlock: + rcu_read_unlock(); +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 18a8474b5..5dd77e336 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -465,11 +465,20 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES; hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; - BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 2); + BUILD_BUG_ON(ARRAY_SIZE(mvm->ciphers) < ARRAY_SIZE(mvm_ciphers) + 4); memcpy(mvm->ciphers, mvm_ciphers, sizeof(mvm_ciphers)); hw->wiphy->n_cipher_suites = ARRAY_SIZE(mvm_ciphers); hw->wiphy->cipher_suites = mvm->ciphers; + if (iwl_mvm_has_new_rx_api(mvm)) { + mvm->ciphers[hw->wiphy->n_cipher_suites] = + WLAN_CIPHER_SUITE_GCMP; + hw->wiphy->n_cipher_suites++; + mvm->ciphers[hw->wiphy->n_cipher_suites] = + WLAN_CIPHER_SUITE_GCMP_256; + hw->wiphy->n_cipher_suites++; + } + /* * Enable 11w if advertised by firmware and software crypto * is not enabled (as the firmware will interpret some mgmt @@ -485,10 +494,23 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) /* currently FW API supports only one optional cipher scheme */ if (mvm->fw->cs[0].cipher) { + const struct iwl_fw_cipher_scheme *fwcs = &mvm->fw->cs[0]; + struct ieee80211_cipher_scheme *cs = &mvm->cs[0]; + mvm->hw->n_cipher_schemes = 1; - mvm->hw->cipher_schemes = &mvm->fw->cs[0]; - mvm->ciphers[hw->wiphy->n_cipher_suites] = - mvm->fw->cs[0].cipher; + + cs->cipher = le32_to_cpu(fwcs->cipher); + cs->iftype = BIT(NL80211_IFTYPE_STATION); + cs->hdr_len = fwcs->hdr_len; + cs->pn_len = fwcs->pn_len; + cs->pn_off = fwcs->pn_off; + cs->key_idx_off = fwcs->key_idx_off; + cs->key_idx_mask = fwcs->key_idx_mask; + cs->key_idx_shift = fwcs->key_idx_shift; + cs->mic_len = fwcs->mic_len; + + mvm->hw->cipher_schemes = mvm->cs; + mvm->ciphers[hw->wiphy->n_cipher_suites] = cs->cipher; hw->wiphy->n_cipher_suites++; } @@ -602,6 +624,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS | + NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | NL80211_FEATURE_DYNAMIC_SMPS | NL80211_FEATURE_STATIC_SMPS | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; @@ -1011,11 +1034,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) memset(mvm->sta_deferred_frames, 0, sizeof(mvm->sta_deferred_frames)); memset(mvm->tfd_drained, 0, sizeof(mvm->tfd_drained)); memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); - memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old)); memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); - memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old)); - memset(&mvm->bt_ack_kill_msk, 0, sizeof(mvm->bt_ack_kill_msk)); - memset(&mvm->bt_cts_kill_msk, 0, sizeof(mvm->bt_cts_kill_msk)); ieee80211_wake_queues(mvm->hw); @@ -1199,6 +1218,8 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw) flush_work(&mvm->async_handlers_wk); flush_work(&mvm->add_stream_wk); cancel_delayed_work_sync(&mvm->fw_dump_wk); + cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork); + cancel_delayed_work_sync(&mvm->scan_timeout_dwork); iwl_mvm_free_fw_dump_desc(mvm); mutex_lock(&mvm->mutex); @@ -1230,18 +1251,20 @@ 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 = { - .v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), - .v2.mac_context_id = + .v3.v2.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC), + .v3.v2.mac_context_id = cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id), - .v2.pwr_restriction = cpu_to_le16(8 * tx_power), + .v3.v2.pwr_restriction = cpu_to_le16(8 * tx_power), }; int len = sizeof(cmd); if (tx_power == IWL_DEFAULT_MAX_TX_POWER) - cmd.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); + cmd.v3.v2.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER); + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK)) + len = sizeof(cmd.v3); if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_TX_POWER_CHAIN)) - len = sizeof(cmd.v2); + len = sizeof(cmd.v3.v2); return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd); } @@ -2360,7 +2383,7 @@ static void iwl_mvm_check_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT)) return; - if (vif->p2p && !iwl_mvm_is_p2p_standalone_uapsd_supported(mvm)) { + if (vif->p2p && !iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) { vif->driver_flags &= ~IEEE80211_VIF_SUPPORTS_UAPSD; return; } @@ -2719,6 +2742,8 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; break; case WLAN_CIPHER_SUITE_CCMP: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE; break; case WLAN_CIPHER_SUITE_AES_CMAC: @@ -2780,7 +2805,8 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, sta && iwl_mvm_has_new_rx_api(mvm) && key->flags & IEEE80211_KEY_FLAG_PAIRWISE && (key->cipher == WLAN_CIPHER_SUITE_CCMP || - key->cipher == WLAN_CIPHER_SUITE_GCMP)) { + key->cipher == WLAN_CIPHER_SUITE_GCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { struct ieee80211_key_seq seq; int tid, q; @@ -2834,7 +2860,8 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw, if (sta && iwl_mvm_has_new_rx_api(mvm) && key->flags & IEEE80211_KEY_FLAG_PAIRWISE && (key->cipher == WLAN_CIPHER_SUITE_CCMP || - key->cipher == WLAN_CIPHER_SUITE_GCMP)) { + key->cipher == WLAN_CIPHER_SUITE_GCMP || + key->cipher == WLAN_CIPHER_SUITE_GCMP_256)) { mvmsta = iwl_mvm_sta_from_mac80211(sta); ptk_pn = rcu_dereference_protected( mvmsta->ptk_pn[keyidx], @@ -3687,6 +3714,13 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, goto out_unlock; } + /* we still didn't unblock tx. prevent new CS meanwhile */ + if (rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex))) { + ret = -EBUSY; + goto out_unlock; + } + rcu_assign_pointer(mvm->csa_vif, vif); if (WARN_ONCE(mvmvif->csa_countdown, @@ -3695,6 +3729,8 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, goto out_unlock; } + mvmvif->csa_target_freq = chsw->chandef.chan->center_freq; + break; case NL80211_IFTYPE_STATION: if (mvmvif->lqm_active) @@ -3898,6 +3934,11 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + if (mvmsta->avg_energy) { + sinfo->signal_avg = mvmsta->avg_energy; + sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); + } + if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RADIO_BEACON_STATS)) return; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index ffbd41dcc..6a615bb73 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -452,6 +452,7 @@ struct iwl_mvm_vif { /* Indicates that CSA countdown may be started */ bool csa_countdown; bool csa_failed; + u16 csa_target_freq; /* TCP Checksum Offload */ netdev_features_t features; @@ -466,6 +467,8 @@ struct iwl_mvm_vif { static inline struct iwl_mvm_vif * iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) { + if (!vif) + return NULL; return (void *)vif->drv_priv; } @@ -686,13 +689,28 @@ struct iwl_mvm_baid_data { * This is the state of a queue that has been fully configured (including * SCD pointers, etc), has a specific RA/TID assigned to it, and can be * used to send traffic. + * @IWL_MVM_QUEUE_SHARED: queue is shared, or in a process of becoming shared + * This is a state in which a single queue serves more than one TID, all of + * which are not aggregated. Note that the queue is only associated to one + * RA. + * @IWL_MVM_QUEUE_INACTIVE: queue is allocated but no traffic on it + * This is a state of a queue that has had traffic on it, but during the + * last %IWL_MVM_DQA_QUEUE_TIMEOUT time period there has been no traffic on + * it. In this state, when a new queue is needed to be allocated but no + * such free queue exists, an inactive queue might be freed and given to + * the new RA/TID. */ enum iwl_mvm_queue_status { IWL_MVM_QUEUE_FREE, IWL_MVM_QUEUE_RESERVED, IWL_MVM_QUEUE_READY, + IWL_MVM_QUEUE_SHARED, + IWL_MVM_QUEUE_INACTIVE, }; +#define IWL_MVM_DQA_QUEUE_TIMEOUT (5 * HZ) +#define IWL_MVM_NUM_CIPHERS 8 + struct iwl_mvm { /* for logger access */ struct device *dev; @@ -731,6 +749,7 @@ struct iwl_mvm { struct iwl_sf_region sf_space; u32 ampdu_ref; + bool ampdu_toggle; struct iwl_notif_wait_data notif_wait; @@ -748,11 +767,16 @@ struct iwl_mvm { u32 hw_queue_to_mac80211; u8 hw_queue_refcount; u8 ra_sta_id; /* The RA this queue is mapped to, if exists */ + bool reserved; /* Is this the TXQ reserved for a STA */ + u8 mac80211_ac; /* The mac80211 AC this queue is mapped to */ u16 tid_bitmap; /* Bitmap of the TIDs mapped to this queue */ + /* Timestamp for inactivation per TID of this queue */ + unsigned long last_frame_time[IWL_MAX_TID_COUNT + 1]; enum iwl_mvm_queue_status status; } queue_info[IWL_MAX_HW_QUEUES]; spinlock_t queue_info_lock; /* For syncing queue mgmt operations */ struct work_struct add_stream_wk; /* To add streams to queues */ + atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES]; const char *nvm_file_name; @@ -787,7 +811,7 @@ struct iwl_mvm { struct iwl_mcast_filter_cmd *mcast_filter_cmd; enum iwl_mvm_scan_type scan_type; enum iwl_mvm_sched_scan_pass_all_states sched_scan_pass_all; - struct timer_list scan_timer; + struct delayed_work scan_timeout_dwork; /* max number of simultaneous scans the FW supports */ unsigned int max_scans; @@ -910,11 +934,6 @@ struct iwl_mvm { wait_queue_head_t d0i3_exit_waitq; /* BT-Coex */ - u8 bt_ack_kill_msk[NUM_PHY_CTX]; - u8 bt_cts_kill_msk[NUM_PHY_CTX]; - - struct iwl_bt_coex_profile_notif_old last_bt_notif_old; - struct iwl_bt_coex_ci_cmd_old last_bt_ci_cmd_old; struct iwl_bt_coex_profile_notif last_bt_notif; struct iwl_bt_coex_ci_cmd last_bt_ci_cmd; @@ -994,7 +1013,8 @@ struct iwl_mvm { struct iwl_mvm_shared_mem_cfg shared_mem_cfg; - u32 ciphers[6]; + u32 ciphers[IWL_MVM_NUM_CIPHERS]; + struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS]; struct iwl_mvm_tof_data tof_data; struct ieee80211_vif *nan_vif; @@ -1006,6 +1026,8 @@ struct iwl_mvm { * clients. */ bool drop_bcn_ap_mode; + + struct delayed_work cs_tx_unblock_dwork; }; /* Extract MVM priv from op_mode and _hw */ @@ -1158,10 +1180,10 @@ static inline bool iwl_mvm_is_mplut_supported(struct iwl_mvm *mvm) } static inline -bool iwl_mvm_is_p2p_standalone_uapsd_supported(struct iwl_mvm *mvm) +bool iwl_mvm_is_p2p_scm_uapsd_supported(struct iwl_mvm *mvm) { return fw_has_capa(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_CAPA_P2P_STANDALONE_UAPSD) && + IWL_UCODE_TLV_CAPA_P2P_SCM_UAPSD) && !(iwlwifi_mod_params.uapsd_disable & IWL_DISABLE_UAPSD_P2P_CLIENT); } @@ -1321,7 +1343,6 @@ bool iwl_mvm_bcast_filter_build_cmd(struct iwl_mvm *mvm, 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_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue); void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, @@ -1381,6 +1402,8 @@ 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, struct ieee80211_vif *exclude_vif); +void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb); /* Bindings */ int iwl_mvm_binding_add_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); int iwl_mvm_binding_remove_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -1397,7 +1420,7 @@ int iwl_mvm_scan_size(struct iwl_mvm *mvm); int iwl_mvm_scan_stop(struct iwl_mvm *mvm, int type, bool notify); int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm); void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm); -void iwl_mvm_scan_timeout(unsigned long data); +void iwl_mvm_scan_timeout_wk(struct work_struct *work); /* Scheduled scan */ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, @@ -1613,7 +1636,7 @@ void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, */ void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, u8 tid, u8 flags); -int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq); +int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); /* Return a bitmask with all the hw supported queues, except for the * command queue, which can't be flushed. @@ -1720,6 +1743,8 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, void iwl_mvm_reorder_timer_expired(unsigned long data); struct ieee80211_vif *iwl_mvm_get_bss_vif(struct iwl_mvm *mvm); +void iwl_mvm_inactivity_check(struct iwl_mvm *mvm); + void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm, struct ieee80211_vif *vif, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c index 9a8cf2f41..fcfb7aac6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c @@ -66,7 +66,6 @@ *****************************************************************************/ #include <linux/firmware.h> #include <linux/rtnetlink.h> -#include <linux/pci.h> #include <linux/acpi.h> #include "iwl-trans.h" #include "iwl-csr.h" @@ -667,8 +666,7 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, .mcc = cpu_to_le16(alpha2[0] << 8 | alpha2[1]), .source_id = (u8)src_id, }; - struct iwl_mcc_update_resp *mcc_resp, *resp_cp = NULL; - struct iwl_mcc_update_resp_v1 *mcc_resp_v1 = NULL; + struct iwl_mcc_update_resp *resp_cp; struct iwl_rx_packet *pkt; struct iwl_host_cmd cmd = { .id = MCC_UPDATE_CMD, @@ -701,34 +699,36 @@ iwl_mvm_update_mcc(struct iwl_mvm *mvm, const char *alpha2, /* Extract MCC response */ if (resp_v2) { - mcc_resp = (void *)pkt->data; + struct iwl_mcc_update_resp *mcc_resp = (void *)pkt->data; + n_channels = __le32_to_cpu(mcc_resp->n_channels); + resp_len = sizeof(struct iwl_mcc_update_resp) + + n_channels * sizeof(__le32); + resp_cp = kmemdup(mcc_resp, resp_len, GFP_KERNEL); } else { - mcc_resp_v1 = (void *)pkt->data; + struct iwl_mcc_update_resp_v1 *mcc_resp_v1 = (void *)pkt->data; + n_channels = __le32_to_cpu(mcc_resp_v1->n_channels); + resp_len = sizeof(struct iwl_mcc_update_resp) + + n_channels * sizeof(__le32); + resp_cp = kzalloc(resp_len, GFP_KERNEL); + + if (resp_cp) { + resp_cp->status = mcc_resp_v1->status; + resp_cp->mcc = mcc_resp_v1->mcc; + resp_cp->cap = mcc_resp_v1->cap; + resp_cp->source_id = mcc_resp_v1->source_id; + resp_cp->n_channels = mcc_resp_v1->n_channels; + memcpy(resp_cp->channels, mcc_resp_v1->channels, + n_channels * sizeof(__le32)); + } } - resp_len = sizeof(struct iwl_mcc_update_resp) + n_channels * - sizeof(__le32); - - resp_cp = kzalloc(resp_len, GFP_KERNEL); if (!resp_cp) { ret = -ENOMEM; goto exit; } - if (resp_v2) { - memcpy(resp_cp, mcc_resp, resp_len); - } else { - resp_cp->status = mcc_resp_v1->status; - resp_cp->mcc = mcc_resp_v1->mcc; - resp_cp->cap = mcc_resp_v1->cap; - resp_cp->source_id = mcc_resp_v1->source_id; - resp_cp->n_channels = mcc_resp_v1->n_channels; - memcpy(resp_cp->channels, mcc_resp_v1->channels, - n_channels * sizeof(__le32)); - } - status = le32_to_cpu(resp_cp->status); mcc = le16_to_cpu(resp_cp->mcc); @@ -802,9 +802,8 @@ static int iwl_mvm_get_bios_mcc(struct iwl_mvm *mvm, char *mcc) struct acpi_buffer wrdd = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; u32 mcc_val; - struct pci_dev *pdev = to_pci_dev(mvm->dev); - root_handle = ACPI_HANDLE(&pdev->dev); + root_handle = ACPI_HANDLE(mvm->dev); if (!root_handle) { IWL_DEBUG_LAR(mvm, "Could not retrieve root port ACPI handle\n"); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index a68054f12..55d9096da 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -431,6 +431,7 @@ static const struct iwl_hcmd_names iwl_mvm_system_names[] = { static const struct iwl_hcmd_names iwl_mvm_mac_conf_names[] = { HCMD_NAME(LINK_QUALITY_MEASUREMENT_CMD), HCMD_NAME(LINK_QUALITY_MEASUREMENT_COMPLETE_NOTIF), + HCMD_NAME(CHANNEL_SWITCH_NOA_NOTIF), }; /* Please keep this array *SORTED* by hex value. @@ -494,6 +495,29 @@ static u32 calc_min_backoff(struct iwl_trans *trans, const struct iwl_cfg *cfg) static void iwl_mvm_fw_error_dump_wk(struct work_struct *work); +static void iwl_mvm_tx_unblock_dwork(struct work_struct *work) +{ + struct iwl_mvm *mvm = + container_of(work, struct iwl_mvm, cs_tx_unblock_dwork.work); + struct ieee80211_vif *tx_blocked_vif; + struct iwl_mvm_vif *mvmvif; + + mutex_lock(&mvm->mutex); + + tx_blocked_vif = + rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex)); + + if (!tx_blocked_vif) + goto unlock; + + mvmvif = iwl_mvm_vif_from_mac80211(tx_blocked_vif); + iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); + RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); +unlock: + mutex_unlock(&mvm->mutex); +} + static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) @@ -553,18 +577,21 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mvm->restart_fw = iwlwifi_mod_params.restart_fw ? -1 : 0; - mvm->aux_queue = 15; if (!iwl_mvm_is_dqa_supported(mvm)) { - mvm->first_agg_queue = 16; mvm->last_agg_queue = mvm->cfg->base_params->num_of_queues - 1; + + if (mvm->cfg->base_params->num_of_queues == 16) { + mvm->aux_queue = 11; + mvm->first_agg_queue = 12; + } else { + mvm->aux_queue = 15; + mvm->first_agg_queue = 16; + } } else { + mvm->aux_queue = IWL_MVM_DQA_AUX_QUEUE; mvm->first_agg_queue = IWL_MVM_DQA_MIN_DATA_QUEUE; mvm->last_agg_queue = IWL_MVM_DQA_MAX_DATA_QUEUE; } - if (mvm->cfg->base_params->num_of_queues == 16) { - mvm->aux_queue = 11; - mvm->first_agg_queue = 12; - } mvm->sf_state = SF_UNINIT; mvm->cur_ucode = IWL_UCODE_INIT; mvm->drop_bcn_ap_mode = true; @@ -584,6 +611,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_WORK(&mvm->d0i3_exit_work, iwl_mvm_d0i3_exit_work); INIT_DELAYED_WORK(&mvm->fw_dump_wk, iwl_mvm_fw_error_dump_wk); INIT_DELAYED_WORK(&mvm->tdls_cs.dwork, iwl_mvm_tdls_ch_switch_work); + INIT_DELAYED_WORK(&mvm->scan_timeout_dwork, iwl_mvm_scan_timeout_wk); INIT_WORK(&mvm->add_stream_wk, iwl_mvm_add_new_dqa_stream_wk); spin_lock_init(&mvm->d0i3_tx_lock); @@ -595,6 +623,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev); + INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); + /* * Populate the state variables that the transport layer needs * to know about. @@ -603,6 +633,7 @@ 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); switch (iwlwifi_mod_params.amsdu_size) { + case IWL_AMSDU_DEF: case IWL_AMSDU_4K: trans_cfg.rx_buf_size = IWL_AMSDU_4K; break; @@ -617,6 +648,10 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwlwifi_mod_params.amsdu_size); trans_cfg.rx_buf_size = IWL_AMSDU_4K; } + + /* the hardware splits the A-MSDU */ + if (mvm->cfg->mq_rx_supported) + trans_cfg.rx_buf_size = IWL_AMSDU_4K; trans_cfg.wide_cmd_header = fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_WIDE_CMD_HDR); @@ -633,6 +668,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD; trans_cfg.scd_set_active = true; + trans_cfg.cb_data_offs = offsetof(struct ieee80211_tx_info, + driver_data[2]); + trans_cfg.sdio_adma_addr = fw->sdio_adma_addr; trans_cfg.sw_csum_tx = IWL_MVM_SW_TX_CSUM_OFFLOAD; @@ -735,9 +773,6 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, iwl_mvm_tof_init(mvm); - setup_timer(&mvm->scan_timer, iwl_mvm_scan_timeout, - (unsigned long)mvm); - return op_mode; out_unregister: @@ -791,8 +826,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) iwl_mvm_tof_clean(mvm); - del_timer_sync(&mvm->scan_timer); - mutex_destroy(&mvm->mutex); mutex_destroy(&mvm->d0i3_suspend_mutex); @@ -936,8 +969,6 @@ static void iwl_mvm_rx(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_rx_mpdu(mvm, napi, rxb); - else if (pkt->hdr.cmd == FRAME_RELEASE) - iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) iwl_mvm_rx_rx_phy_cmd(mvm, rxb); else @@ -953,11 +984,11 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode, if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD)) iwl_mvm_rx_mpdu_mq(mvm, napi, rxb, 0); - else if (pkt->hdr.cmd == REPLY_RX_PHY_CMD) - iwl_mvm_rx_phy_cmd_mq(mvm, rxb); else if (unlikely(pkt->hdr.group_id == DATA_PATH_GROUP && pkt->hdr.cmd == RX_QUEUES_NOTIFICATION)) iwl_mvm_rx_queue_notif(mvm, rxb, 0); + else if (pkt->hdr.cmd == FRAME_RELEASE) + iwl_mvm_rx_frame_release(mvm, napi, rxb, 0); else iwl_mvm_rx_common(mvm, rxb, pkt); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/power.c b/drivers/net/wireless/intel/iwlwifi/mvm/power.c index 7b1f6ad60..ff85865b1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/power.c @@ -308,7 +308,7 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, /* Allow U-APSD only if p2p is stand alone */ bool is_p2p_standalone = true; - if (!iwl_mvm_is_p2p_standalone_uapsd_supported(mvm)) + if (!iwl_mvm_is_p2p_scm_uapsd_supported(mvm)) return false; ieee80211_iterate_active_interfaces_atomic(mvm->hw, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 81dd2f6a4..227c5ed9c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -211,6 +211,9 @@ static bool rs_sgi_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, if (is_ht80(rate) && (vht_cap->cap & IEEE80211_VHT_CAP_SHORT_GI_80)) return true; + if (is_ht160(rate) && (vht_cap->cap & + IEEE80211_VHT_CAP_SHORT_GI_160)) + return true; return false; } @@ -399,7 +402,7 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) static void rs_rate_scale_perform(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, - int tid); + int tid, bool ndp); static void rs_fill_lq_cmd(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, @@ -445,6 +448,13 @@ static const u16 expected_tpt_siso_80MHz[4][IWL_RATE_COUNT] = { {0, 0, 0, 0, 241, 0, 475, 701, 921, 1343, 1741, 1931, 2117, 2468, 2691}, }; +static const u16 expected_tpt_siso_160MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 191, 0, 244, 288, 298, 308, 313, 318, 323, 328, 330}, + {0, 0, 0, 0, 200, 0, 251, 293, 302, 312, 317, 322, 327, 332, 334}, + {0, 0, 0, 0, 439, 0, 875, 1307, 1736, 2584, 3419, 3831, 4240, 5049, 5581}, + {0, 0, 0, 0, 488, 0, 972, 1451, 1925, 2864, 3785, 4240, 4691, 5581, 6165}, +}; + static const u16 expected_tpt_mimo2_20MHz[4][IWL_RATE_COUNT] = { {0, 0, 0, 0, 74, 0, 123, 155, 179, 213, 235, 243, 250, 261, 0}, {0, 0, 0, 0, 81, 0, 131, 164, 187, 221, 242, 250, 256, 267, 0}, @@ -466,6 +476,13 @@ static const u16 expected_tpt_mimo2_80MHz[4][IWL_RATE_COUNT] = { {0, 0, 0, 0, 474, 0, 920, 1338, 1732, 2464, 3116, 3418, 3705, 4225, 4545}, }; +static const u16 expected_tpt_mimo2_160MHz[4][IWL_RATE_COUNT] = { + {0, 0, 0, 0, 240, 0, 278, 308, 313, 319, 322, 324, 328, 330, 334}, + {0, 0, 0, 0, 247, 0, 282, 310, 315, 320, 323, 325, 329, 332, 338}, + {0, 0, 0, 0, 875, 0, 1735, 2582, 3414, 5043, 6619, 7389, 8147, 9629, 10592}, + {0, 0, 0, 0, 971, 0, 1925, 2861, 3779, 5574, 7304, 8147, 8976, 10592, 11640}, +}; + /* mbps, mcs */ static const struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = { { "1", "BPSK DSSS"}, @@ -901,7 +918,6 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, } } - WARN_ON_ONCE(rate->bw == RATE_MCS_CHAN_WIDTH_160); WARN_ON_ONCE(rate->bw == RATE_MCS_CHAN_WIDTH_80 && !is_vht(rate)); @@ -1161,7 +1177,7 @@ static u8 rs_get_tid(struct ieee80211_hdr *hdr) } void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - int tid, struct ieee80211_tx_info *info) + int tid, struct ieee80211_tx_info *info, bool ndp) { int legacy_success; int retries; @@ -1384,7 +1400,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, done: /* See if there's a better rate or modulation mode to try. */ if (sta->supp_rates[info->band]) - rs_rate_scale_perform(mvm, sta, lq_sta, tid); + rs_rate_scale_perform(mvm, sta, lq_sta, tid, ndp); } /* @@ -1407,7 +1423,8 @@ static void rs_mac80211_tx_status(void *mvm_r, info->flags & IEEE80211_TX_CTL_NO_ACK) return; - iwl_mvm_rs_tx_status(mvm, sta, rs_get_tid(hdr), info); + iwl_mvm_rs_tx_status(mvm, sta, rs_get_tid(hdr), info, + ieee80211_is_qos_nullfunc(hdr->frame_control)); } /* @@ -1494,6 +1511,9 @@ static const u16 *rs_get_expected_tpt_table(struct iwl_lq_sta *lq_sta, case RATE_MCS_CHAN_WIDTH_80: ht_tbl_pointer = expected_tpt_siso_80MHz; break; + case RATE_MCS_CHAN_WIDTH_160: + ht_tbl_pointer = expected_tpt_siso_160MHz; + break; default: WARN_ON_ONCE(1); } @@ -1508,6 +1528,9 @@ static const u16 *rs_get_expected_tpt_table(struct iwl_lq_sta *lq_sta, case RATE_MCS_CHAN_WIDTH_80: ht_tbl_pointer = expected_tpt_mimo2_80MHz; break; + case RATE_MCS_CHAN_WIDTH_160: + ht_tbl_pointer = expected_tpt_mimo2_160MHz; + break; default: WARN_ON_ONCE(1); } @@ -1582,12 +1605,17 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm, static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta) { - if (sta->bandwidth >= IEEE80211_STA_RX_BW_80) + switch (sta->bandwidth) { + case IEEE80211_STA_RX_BW_160: + return RATE_MCS_CHAN_WIDTH_160; + case IEEE80211_STA_RX_BW_80: return RATE_MCS_CHAN_WIDTH_80; - else if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) + case IEEE80211_STA_RX_BW_40: return RATE_MCS_CHAN_WIDTH_40; - - return RATE_MCS_CHAN_WIDTH_20; + case IEEE80211_STA_RX_BW_20: + default: + return RATE_MCS_CHAN_WIDTH_20; + } } /* @@ -2213,7 +2241,7 @@ static bool rs_tpc_perform(struct iwl_mvm *mvm, static void rs_rate_scale_perform(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct iwl_lq_sta *lq_sta, - int tid) + int tid, bool ndp) { int low = IWL_RATE_INVALID; int high = IWL_RATE_INVALID; @@ -2512,7 +2540,7 @@ lq_update: (lq_sta->tx_agg_tid_en & (1 << tid)) && (tid != IWL_MAX_TID_COUNT)) { tid_data = &sta_priv->tid_data[tid]; - if (tid_data->state == IWL_AGG_OFF) { + if (tid_data->state == IWL_AGG_OFF && !ndp) { IWL_DEBUG_RATE(mvm, "try to aggregate tid %d\n", tid); @@ -2565,6 +2593,9 @@ static const struct rs_init_rate_info rs_optimal_rates_ht[] = { { S8_MIN, IWL_RATE_MCS_0_INDEX}, }; +/* MCS index 9 is not valid for 20MHz VHT channel width, + * but is ok for 40, 80 and 160MHz channels. + */ static const struct rs_init_rate_info rs_optimal_rates_vht_20mhz[] = { { -60, IWL_RATE_MCS_8_INDEX }, { -64, IWL_RATE_MCS_7_INDEX }, @@ -2577,7 +2608,7 @@ static const struct rs_init_rate_info rs_optimal_rates_vht_20mhz[] = { { S8_MIN, IWL_RATE_MCS_0_INDEX}, }; -static const struct rs_init_rate_info rs_optimal_rates_vht_40_80mhz[] = { +static const struct rs_init_rate_info rs_optimal_rates_vht[] = { { -60, IWL_RATE_MCS_9_INDEX }, { -64, IWL_RATE_MCS_8_INDEX }, { -68, IWL_RATE_MCS_7_INDEX }, @@ -2640,9 +2671,9 @@ static void rs_init_optimal_rate(struct iwl_mvm *mvm, 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_rates = rs_optimal_rates_vht; lq_sta->optimal_nentries = - ARRAY_SIZE(rs_optimal_rates_vht_40_80mhz); + ARRAY_SIZE(rs_optimal_rates_vht); } } else if (is_ht(rate)) { lq_sta->optimal_rates = rs_optimal_rates_ht; @@ -2734,23 +2765,25 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, */ if (sta->vht_cap.vht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { - if (sta->bandwidth >= IEEE80211_STA_RX_BW_40) { - initial_rates = rs_optimal_rates_vht_40_80mhz; - nentries = ARRAY_SIZE(rs_optimal_rates_vht_40_80mhz); - if (sta->bandwidth >= IEEE80211_STA_RX_BW_80) - rate->bw = RATE_MCS_CHAN_WIDTH_80; - else - rate->bw = RATE_MCS_CHAN_WIDTH_40; - } else if (sta->bandwidth == IEEE80211_STA_RX_BW_20) { + switch (sta->bandwidth) { + case IEEE80211_STA_RX_BW_160: + case IEEE80211_STA_RX_BW_80: + case IEEE80211_STA_RX_BW_40: + initial_rates = rs_optimal_rates_vht; + nentries = ARRAY_SIZE(rs_optimal_rates_vht); + break; + case IEEE80211_STA_RX_BW_20: initial_rates = rs_optimal_rates_vht_20mhz; nentries = ARRAY_SIZE(rs_optimal_rates_vht_20mhz); - rate->bw = RATE_MCS_CHAN_WIDTH_20; - } else { + break; + default: IWL_ERR(mvm, "Invalid BW %d\n", sta->bandwidth); goto out; } + active_rate = lq_sta->active_siso_rate; rate->type = LQ_VHT_SISO; + rate->bw = rs_bw_from_sta_bw(sta); } else if (sta->ht_cap.ht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { initial_rates = rs_optimal_rates_ht; @@ -3057,6 +3090,9 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg) case RATE_MCS_CHAN_WIDTH_80: mvm->drv_rx_stats.bw_80_frames++; break; + case RATE_MCS_CHAN_WIDTH_160: + mvm->drv_rx_stats.bw_160_frames++; + break; default: WARN_ONCE(1, "bad BW. rate 0x%x", rate); } @@ -3705,7 +3741,8 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, desc += sprintf(buff + desc, " %s", (is_ht20(rate)) ? "20MHz" : (is_ht40(rate)) ? "40MHz" : - (is_ht80(rate)) ? "80Mhz" : "BAD BW"); + (is_ht80(rate)) ? "80MHz" : + (is_ht160(rate)) ? "160MHz" : "BAD BW"); desc += sprintf(buff + desc, " %s %s %s %s\n", (rate->sgi) ? "SGI" : "NGI", (rate->ldpc) ? "LDPC" : "BCC", @@ -3787,9 +3824,10 @@ static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, lq_sta->active_tbl == i ? "*" : "x", rate->type, rate->sgi, - is_ht20(rate) ? "20Mhz" : - is_ht40(rate) ? "40Mhz" : - is_ht80(rate) ? "80Mhz" : "ERR", + is_ht20(rate) ? "20MHz" : + is_ht40(rate) ? "40MHz" : + is_ht80(rate) ? "80MHz" : + is_ht160(rate) ? "160MHz" : "ERR", rate->index); for (j = 0; j < IWL_RATE_COUNT; j++) { desc += sprintf(buff+desc, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index 90d046fb2..ee207f2c0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -205,6 +205,7 @@ struct rs_rate { #define is_ht20(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_20) #define is_ht40(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_40) #define is_ht80(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_80) +#define is_ht160(rate) ((rate)->bw == RATE_MCS_CHAN_WIDTH_160) #define IWL_MAX_MCS_DISPLAY_SIZE 12 @@ -362,7 +363,7 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* Notify RS about Tx status */ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - int tid, struct ieee80211_tx_info *info); + int tid, struct ieee80211_tx_info *info, bool ndp); /** * iwl_rate_control_register - Register the rate control algorithm callbacks diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index ab7f7eda9..0e60e38b2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -101,7 +101,7 @@ 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, + u8 crypt_len, struct iwl_rx_cmd_buffer *rxb) { unsigned int hdrlen, fraglen; @@ -268,7 +268,6 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, struct ieee80211_sta *sta = NULL; struct sk_buff *skb; u32 len; - u32 ampdu_status; u32 rate_n_flags; u32 rx_pkt_status; u8 crypt_len = 0; @@ -354,13 +353,22 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, if (sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct ieee80211_vif *tx_blocked_vif = + rcu_dereference(mvm->csa_tx_blocked_vif); /* 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)) - iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); + if (unlikely(tx_blocked_vif) && + mvmsta->vif == tx_blocked_vif) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(tx_blocked_vif); + + if (mvmvif->csa_target_freq == rx_status->freq) + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, + false); + } rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); @@ -471,7 +479,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_ref(mvm, IWL_MVM_REF_RX); iwl_mvm_pass_packet_to_mac80211(mvm, sta, napi, skb, hdr, len, - ampdu_status, crypt_len, rxb); + crypt_len, rxb); if (take_ref) iwl_mvm_unref(mvm, IWL_MVM_REF_RX); @@ -490,6 +498,7 @@ struct iwl_mvm_stat_data { __le32 mac_id; u8 beacon_filter_average_energy; struct mvm_statistics_general_v8 *general; + struct mvm_statistics_load *load; }; static void iwl_mvm_stat_iterator(void *_data, u8 *mac, @@ -606,13 +615,15 @@ iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) 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_notif_statistics_v11 *stats = (void *)&pkt->data; struct iwl_mvm_stat_data data = { .mvm = mvm, }; + int expected_size = iwl_mvm_has_new_rx_api(mvm) ? sizeof(*stats) : + sizeof(struct iwl_notif_statistics_v10); u32 temperature; - if (iwl_rx_packet_payload_len(pkt) != sizeof(*stats)) + if (iwl_rx_packet_payload_len(pkt) != expected_size) goto invalid; temperature = le32_to_cpu(stats->general.radio_temperature); @@ -630,6 +641,25 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, le64_to_cpu(stats->general.on_time_scan); data.general = &stats->general; + if (iwl_mvm_has_new_rx_api(mvm)) { + int i; + + data.load = &stats->load_stats; + + rcu_read_lock(); + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + struct iwl_mvm_sta *sta; + + if (!data.load->avg_energy[i]) + continue; + + sta = iwl_mvm_sta_from_staid_rcu(mvm, i); + if (!sta) + continue; + sta->avg_energy = data.load->avg_energy[i]; + } + rcu_read_unlock(); + } iwl_mvm_rx_stats_check_trigger(mvm, pkt); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 2c61516d0..df6c32caa 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -65,19 +65,6 @@ #include "fw-api.h" #include "fw-dbg.h" -void iwl_mvm_rx_phy_cmd_mq(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) -{ - 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 -} - static inline int iwl_mvm_check_pn(struct iwl_mvm *mvm, struct sk_buff *skb, int queue, struct ieee80211_sta *sta) { @@ -489,6 +476,9 @@ void iwl_mvm_reorder_timer_expired(unsigned long data) rcu_read_lock(); sta = rcu_dereference(buf->mvm->fw_id_to_mac_id[buf->sta_id]); /* SN is set to the last expired frame + 1 */ + IWL_DEBUG_HT(buf->mvm, + "Releasing expired frames for sta %u, sn %d\n", + buf->sta_id, sn); iwl_mvm_release_frames(buf->mvm, sta, NULL, buf, sn); rcu_read_unlock(); } else if (buf->num_stored) { @@ -587,6 +577,8 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, struct sk_buff *tail; u32 reorder = le32_to_cpu(desc->reorder_data); bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU; + bool last_subframe = + desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME; u8 tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK; u8 sub_frame_idx = desc->amsdu_info & IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK; @@ -653,7 +645,8 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, /* release immediately if allowed by nssn and no stored frames */ if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) { if (iwl_mvm_is_sn_less(buffer->head_sn, nssn, - buffer->buf_size)) + buffer->buf_size) && + (!amsdu || last_subframe)) buffer->head_sn = nssn; /* No need to update AMSDU last SN - we are moving the head */ spin_unlock_bh(&buffer->lock); @@ -687,7 +680,20 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, buffer->last_sub_index = sub_frame_idx; } - iwl_mvm_release_frames(mvm, sta, napi, buffer, nssn); + /* + * We cannot trust NSSN for AMSDU sub-frames that are not the last. + * The reason is that NSSN advances on the first sub-frame, and may + * cause the reorder buffer to advance before all the sub-frames arrive. + * Example: reorder buffer contains SN 0 & 2, and we receive AMSDU with + * SN 1. NSSN for first sub frame will be 3 with the result of driver + * releasing SN 0,1, 2. When sub-frame 1 arrives - reorder buffer is + * already ahead and it will be dropped. + * If the last sub-frame is not on this queue - we will get frame + * release notification with up to date NSSN. + */ + if (!amsdu || last_subframe) + iwl_mvm_release_frames(mvm, sta, napi, buffer, nssn); + spin_unlock_bh(&buffer->lock); return true; @@ -736,6 +742,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct ieee80211_hdr *hdr = (void *)(pkt->data + sizeof(*desc)); u32 len = le16_to_cpu(desc->mpdu_len); u32 rate_n_flags = le32_to_cpu(desc->rate_n_flags); + u16 phy_info = le16_to_cpu(desc->phy_info); struct ieee80211_sta *sta = NULL; struct sk_buff *skb; u8 crypt_len = 0; @@ -766,16 +773,34 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, le16_to_cpu(desc->status)); rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; } - - rx_status->mactime = le64_to_cpu(desc->tsf_on_air_rise); + /* set the preamble flag if appropriate */ + if (phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE) + rx_status->flag |= RX_FLAG_SHORTPRE; + + if (likely(!(phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) { + rx_status->mactime = le64_to_cpu(desc->tsf_on_air_rise); + /* TSF as indicated by the firmware is at INA time */ + rx_status->flag |= RX_FLAG_MACTIME_PLCP_START; + } rx_status->device_timestamp = le32_to_cpu(desc->gp2_on_air_rise); rx_status->band = desc->channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; rx_status->freq = ieee80211_channel_to_frequency(desc->channel, rx_status->band); iwl_mvm_get_signal_strength(mvm, desc, rx_status); - /* TSF as indicated by the firmware is at INA time */ - rx_status->flag |= RX_FLAG_MACTIME_PLCP_START; + + /* update aggregation data for monitor sake on default queue */ + if (!queue && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) { + bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE; + + rx_status->flag |= RX_FLAG_AMPDU_DETAILS; + rx_status->ampdu_reference = mvm->ampdu_ref; + /* toggle is switched whenever new aggregation starts */ + if (toggle_bit != mvm->ampdu_toggle) { + mvm->ampdu_ref++; + mvm->ampdu_toggle = toggle_bit; + } + } rcu_read_lock(); @@ -797,6 +822,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct ieee80211_vif *tx_blocked_vif = + rcu_dereference(mvm->csa_tx_blocked_vif); u8 baid = (u8)((le32_to_cpu(desc->reorder_data) & IWL_RX_MPDU_REORDER_BAID_MASK) >> IWL_RX_MPDU_REORDER_BAID_SHIFT); @@ -806,8 +833,15 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, * frames from a blocked station on a new channel we can * TX to it again. */ - if (unlikely(mvm->csa_tx_block_bcn_timeout)) - iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); + if (unlikely(tx_blocked_vif) && + tx_blocked_vif == mvmsta->vif) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(tx_blocked_vif); + + if (mvmvif->csa_target_freq == rx_status->freq) + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, + false); + } rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status); @@ -830,8 +864,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_fw_dbg_collect_trig(mvm, trig, NULL); } - /* TODO: multi queue TCM */ - if (ieee80211_is_data(hdr->frame_control)) iwl_mvm_rx_csum(sta, skb, desc); @@ -856,14 +888,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_agg_rx_received(mvm, baid); } - /* - * TODO: PHY info. - * Verify we don't have the information in the MPDU descriptor and - * that it is not needed. - * Make sure for monitor mode that we are on default queue, update - * ampdu_ref and the rest of phy info then - */ - /* Set up the HT phy flags */ switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { case RATE_MCS_CHAN_WIDTH_20: @@ -907,8 +931,18 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rx_status->band); } - /* TODO: PHY info - update ampdu queue statistics (for debugfs) */ - /* TODO: PHY info - gscan */ + /* management stuff on default queue */ + if (!queue) { + if (unlikely((ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control)) && + mvm->sched_scan_pass_all == + SCHED_SCAN_PASS_ALL_ENABLED)) + mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND; + + if (unlikely(ieee80211_is_beacon(hdr->frame_control) || + ieee80211_is_probe_resp(hdr->frame_control))) + rx_status->boottime_ns = ktime_get_boot_ns(); + } iwl_mvm_create_skb(skb, hdr, len, crypt_len, rxb); if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc)) @@ -927,6 +961,9 @@ void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, int baid = release->baid; + IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n", + release->baid, le16_to_cpu(release->nssn)); + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID)) return; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index e78fc567f..dac120f88 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -391,15 +391,18 @@ void iwl_mvm_rx_lmac_scan_complete_notif(struct iwl_mvm *mvm, ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; } else if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + IWL_DEBUG_SCAN(mvm, "Regular scan %s, EBS status %s (FW)\n", aborted ? "aborted" : "completed", iwl_mvm_ebs_status_str(scan_notif->ebs_status)); mvm->scan_status &= ~IWL_MVM_SCAN_REGULAR; - ieee80211_scan_completed(mvm->hw, - scan_notif->status == IWL_SCAN_OFFLOAD_ABORTED); + ieee80211_scan_completed(mvm->hw, &info); iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - del_timer(&mvm->scan_timer); + cancel_delayed_work(&mvm->scan_timeout_dwork); } else { IWL_ERR(mvm, "got scan complete notification but no scan is running\n"); @@ -1222,15 +1225,16 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) return -EIO; } -#define SCAN_TIMEOUT (20 * HZ) +#define SCAN_TIMEOUT 20000 -void iwl_mvm_scan_timeout(unsigned long data) +void iwl_mvm_scan_timeout_wk(struct work_struct *work) { - struct iwl_mvm *mvm = (struct iwl_mvm *)data; + struct delayed_work *delayed_work = to_delayed_work(work); + struct iwl_mvm *mvm = container_of(delayed_work, struct iwl_mvm, + scan_timeout_dwork); IWL_ERR(mvm, "regular scan timed out\n"); - del_timer(&mvm->scan_timer); iwl_force_nmi(mvm->trans); } @@ -1313,7 +1317,8 @@ int iwl_mvm_reg_scan_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, mvm->scan_status |= IWL_MVM_SCAN_REGULAR; iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); - mod_timer(&mvm->scan_timer, jiffies + SCAN_TIMEOUT); + queue_delayed_work(system_wq, &mvm->scan_timeout_dwork, + msecs_to_jiffies(SCAN_TIMEOUT)); return 0; } @@ -1430,9 +1435,13 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm, /* if the scan is already stopping, we don't need to notify mac80211 */ if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_REGULAR) { - ieee80211_scan_completed(mvm->hw, aborted); + struct cfg80211_scan_info info = { + .aborted = aborted, + }; + + ieee80211_scan_completed(mvm->hw, &info); iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - del_timer(&mvm->scan_timer); + cancel_delayed_work(&mvm->scan_timeout_dwork); } else if (mvm->scan_uid_status[uid] == IWL_MVM_SCAN_SCHED) { ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; @@ -1564,7 +1573,11 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_REGULAR); if (uid >= 0) { - ieee80211_scan_completed(mvm->hw, true); + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); mvm->scan_uid_status[uid] = 0; } uid = iwl_mvm_scan_uid_by_status(mvm, IWL_MVM_SCAN_SCHED); @@ -1585,8 +1598,13 @@ void iwl_mvm_report_scan_aborted(struct iwl_mvm *mvm) mvm->scan_uid_status[i] = 0; } } else { - if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) - ieee80211_scan_completed(mvm->hw, true); + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); + } /* Sched scan will be restarted by mac80211 in * restart_hw, so do not report if FW is about to be @@ -1628,9 +1646,14 @@ out: * to release the scan reference here. */ iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); - del_timer(&mvm->scan_timer); - if (notify) - ieee80211_scan_completed(mvm->hw, true); + cancel_delayed_work(&mvm->scan_timeout_dwork); + if (notify) { + struct cfg80211_scan_info info = { + .aborted = true, + }; + + ieee80211_scan_completed(mvm->hw, &info); + } } else if (notify) { ieee80211_sched_scan_stopped(mvm->hw); mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_DISABLED; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sf.c b/drivers/net/wireless/intel/iwlwifi/mvm/sf.c index 443a42855..101fb04a8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sf.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sf.c @@ -215,7 +215,7 @@ static int iwl_mvm_sf_config(struct iwl_mvm *mvm, u8 sta_id, enum iwl_sf_state new_state) { struct iwl_sf_cfg_cmd sf_cmd = { - .state = cpu_to_le32(SF_FULL_ON), + .state = cpu_to_le32(new_state), }; struct ieee80211_sta *sta; int ret = 0; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index b23ab4a45..3130b9c68 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -310,6 +310,304 @@ static void iwl_mvm_tdls_sta_deinit(struct iwl_mvm *mvm, iwl_mvm_disable_txq(mvm, i, i, IWL_MAX_TID_COUNT, 0); } +/* Disable aggregations for a bitmap of TIDs for a given station */ +static int iwl_mvm_invalidate_sta_queue(struct iwl_mvm *mvm, int queue, + unsigned long disable_agg_tids, + bool remove_queue) +{ + struct iwl_mvm_add_sta_cmd cmd = {}; + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + u32 status; + u8 sta_id; + int ret; + + spin_lock_bh(&mvm->queue_info_lock); + sta_id = mvm->queue_info[queue].ra_sta_id; + spin_unlock_bh(&mvm->queue_info_lock); + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { + rcu_read_unlock(); + return -EINVAL; + } + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + + mvmsta->tid_disable_agg |= disable_agg_tids; + + cmd.mac_id_n_color = cpu_to_le32(mvmsta->mac_id_n_color); + cmd.sta_id = mvmsta->sta_id; + cmd.add_modify = STA_MODE_MODIFY; + cmd.modify_mask = STA_MODIFY_QUEUES; + if (disable_agg_tids) + cmd.modify_mask |= STA_MODIFY_TID_DISABLE_TX; + if (remove_queue) + cmd.modify_mask |= STA_MODIFY_QUEUE_REMOVAL; + cmd.tfd_queue_msk = cpu_to_le32(mvmsta->tfd_queue_msk); + cmd.tid_disable_tx = cpu_to_le16(mvmsta->tid_disable_agg); + + rcu_read_unlock(); + + /* Notify FW of queue removal from the STA queues */ + status = ADD_STA_SUCCESS; + ret = iwl_mvm_send_cmd_pdu_status(mvm, ADD_STA, + iwl_mvm_add_sta_cmd_size(mvm), + &cmd, &status); + + return ret; +} + +static int iwl_mvm_get_queue_agg_tids(struct iwl_mvm *mvm, int queue) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + unsigned long tid_bitmap; + unsigned long agg_tids = 0; + s8 sta_id; + int tid; + + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->queue_info_lock); + sta_id = mvm->queue_info[queue].ra_sta_id; + tid_bitmap = mvm->queue_info[queue].tid_bitmap; + spin_unlock_bh(&mvm->queue_info_lock); + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id], + lockdep_is_held(&mvm->mutex)); + + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) + return -EINVAL; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + + spin_lock_bh(&mvmsta->lock); + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { + if (mvmsta->tid_data[tid].state == IWL_AGG_ON) + agg_tids |= BIT(tid); + } + spin_unlock_bh(&mvmsta->lock); + + return agg_tids; +} + +/* + * Remove a queue from a station's resources. + * Note that this only marks as free. It DOESN'T delete a BA agreement, and + * doesn't disable the queue + */ +static int iwl_mvm_remove_sta_queue_marking(struct iwl_mvm *mvm, int queue) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + unsigned long tid_bitmap; + unsigned long disable_agg_tids = 0; + u8 sta_id; + int tid; + + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->queue_info_lock); + sta_id = mvm->queue_info[queue].ra_sta_id; + tid_bitmap = mvm->queue_info[queue].tid_bitmap; + spin_unlock_bh(&mvm->queue_info_lock); + + rcu_read_lock(); + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { + rcu_read_unlock(); + return 0; + } + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + + spin_lock_bh(&mvmsta->lock); + /* Unmap MAC queues and TIDs from this queue */ + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { + if (mvmsta->tid_data[tid].state == IWL_AGG_ON) + disable_agg_tids |= BIT(tid); + mvmsta->tid_data[tid].txq_id = IEEE80211_INVAL_HW_QUEUE; + } + + mvmsta->tfd_queue_msk &= ~BIT(queue); /* Don't use this queue anymore */ + spin_unlock_bh(&mvmsta->lock); + + rcu_read_unlock(); + + spin_lock_bh(&mvm->queue_info_lock); + /* Unmap MAC queues and TIDs from this queue */ + mvm->queue_info[queue].hw_queue_to_mac80211 = 0; + mvm->queue_info[queue].hw_queue_refcount = 0; + mvm->queue_info[queue].tid_bitmap = 0; + spin_unlock_bh(&mvm->queue_info_lock); + + return disable_agg_tids; +} + +static int iwl_mvm_get_shared_queue(struct iwl_mvm *mvm, + unsigned long tfd_queue_mask, u8 ac) +{ + int queue = 0; + u8 ac_to_queue[IEEE80211_NUM_ACS]; + int i; + + lockdep_assert_held(&mvm->queue_info_lock); + + memset(&ac_to_queue, IEEE80211_INVAL_HW_QUEUE, sizeof(ac_to_queue)); + + /* See what ACs the existing queues for this STA have */ + for_each_set_bit(i, &tfd_queue_mask, IWL_MVM_DQA_MAX_DATA_QUEUE) { + /* Only DATA queues can be shared */ + if (i < IWL_MVM_DQA_MIN_DATA_QUEUE && + i != IWL_MVM_DQA_BSS_CLIENT_QUEUE) + continue; + + ac_to_queue[mvm->queue_info[i].mac80211_ac] = i; + } + + /* + * The queue to share is chosen only from DATA queues as follows (in + * descending priority): + * 1. An AC_BE queue + * 2. Same AC queue + * 3. Highest AC queue that is lower than new AC + * 4. Any existing AC (there always is at least 1 DATA queue) + */ + + /* Priority 1: An AC_BE queue */ + if (ac_to_queue[IEEE80211_AC_BE] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[IEEE80211_AC_BE]; + /* Priority 2: Same AC queue */ + else if (ac_to_queue[ac] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[ac]; + /* Priority 3a: If new AC is VO and VI exists - use VI */ + else if (ac == IEEE80211_AC_VO && + ac_to_queue[IEEE80211_AC_VI] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[IEEE80211_AC_VI]; + /* Priority 3b: No BE so only AC less than the new one is BK */ + else if (ac_to_queue[IEEE80211_AC_BK] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[IEEE80211_AC_BK]; + /* Priority 4a: No BE nor BK - use VI if exists */ + else if (ac_to_queue[IEEE80211_AC_VI] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[IEEE80211_AC_VI]; + /* Priority 4b: No BE, BK nor VI - use VO if exists */ + else if (ac_to_queue[IEEE80211_AC_VO] != IEEE80211_INVAL_HW_QUEUE) + queue = ac_to_queue[IEEE80211_AC_VO]; + + /* Make sure queue found (or not) is legal */ + if (!((queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE && + queue <= IWL_MVM_DQA_MAX_MGMT_QUEUE) || + (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE && + queue <= IWL_MVM_DQA_MAX_DATA_QUEUE) || + (queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE))) { + IWL_ERR(mvm, "No DATA queues available to share\n"); + queue = -ENOSPC; + } + + return queue; +} + +/* + * If a given queue has a higher AC than the TID stream that is being added to + * it, the queue needs to be redirected to the lower AC. This function does that + * in such a case, otherwise - if no redirection required - it does nothing, + * unless the %force param is true. + */ +static int iwl_mvm_scd_queue_redirect(struct iwl_mvm *mvm, int queue, int tid, + int ac, int ssn, unsigned int wdg_timeout, + bool force) +{ + struct iwl_scd_txq_cfg_cmd cmd = { + .scd_queue = queue, + .enable = 0, + }; + bool shared_queue; + unsigned long mq; + int ret; + + /* + * If the AC is lower than current one - FIFO needs to be redirected to + * the lowest one of the streams in the queue. Check if this is needed + * here. + * Notice that the enum ieee80211_ac_numbers is "flipped", so BK is with + * value 3 and VO with value 0, so to check if ac X is lower than ac Y + * we need to check if the numerical value of X is LARGER than of Y. + */ + spin_lock_bh(&mvm->queue_info_lock); + if (ac <= mvm->queue_info[queue].mac80211_ac && !force) { + spin_unlock_bh(&mvm->queue_info_lock); + + IWL_DEBUG_TX_QUEUES(mvm, + "No redirection needed on TXQ #%d\n", + queue); + return 0; + } + + cmd.sta_id = mvm->queue_info[queue].ra_sta_id; + cmd.tx_fifo = iwl_mvm_ac_to_tx_fifo[mvm->queue_info[queue].mac80211_ac]; + mq = mvm->queue_info[queue].hw_queue_to_mac80211; + shared_queue = (mvm->queue_info[queue].hw_queue_refcount > 1); + spin_unlock_bh(&mvm->queue_info_lock); + + IWL_DEBUG_TX_QUEUES(mvm, "Redirecting shared TXQ #%d to FIFO #%d\n", + queue, iwl_mvm_ac_to_tx_fifo[ac]); + + /* Stop MAC queues and wait for this queue to empty */ + iwl_mvm_stop_mac_queues(mvm, mq); + ret = iwl_trans_wait_tx_queue_empty(mvm->trans, BIT(queue)); + if (ret) { + IWL_ERR(mvm, "Error draining queue %d before reconfig\n", + queue); + ret = -EIO; + goto out; + } + + /* Before redirecting the queue we need to de-activate it */ + iwl_trans_txq_disable(mvm->trans, queue, false); + ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed SCD disable TXQ %d (ret=%d)\n", queue, + ret); + + /* Make sure the SCD wrptr is correctly set before reconfiguring */ + iwl_trans_txq_enable(mvm->trans, queue, iwl_mvm_ac_to_tx_fifo[ac], + cmd.sta_id, tid, LINK_QUAL_AGG_FRAME_LIMIT_DEF, + ssn, wdg_timeout); + + /* TODO: Work-around SCD bug when moving back by multiples of 0x40 */ + + /* Redirect to lower AC */ + iwl_mvm_reconfig_scd(mvm, queue, iwl_mvm_ac_to_tx_fifo[ac], + cmd.sta_id, tid, LINK_QUAL_AGG_FRAME_LIMIT_DEF, + ssn); + + /* Update AC marking of the queue */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[queue].mac80211_ac = ac; + spin_unlock_bh(&mvm->queue_info_lock); + + /* + * Mark queue as shared in transport if shared + * Note this has to be done after queue enablement because enablement + * can also set this value, and there is no indication there to shared + * queues + */ + if (shared_queue) + iwl_trans_txq_set_shared_mode(mvm->trans, queue, true); + +out: + /* Continue using the MAC queues */ + iwl_mvm_start_mac_queues(mvm, mq); + + return ret; +} + static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u8 ac, int tid, struct ieee80211_hdr *hdr) @@ -325,11 +623,20 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, iwl_mvm_get_wd_timeout(mvm, mvmsta->vif, false, false); u8 mac_queue = mvmsta->vif->hw_queue[ac]; int queue = -1; + bool using_inactive_queue = false; + unsigned long disable_agg_tids = 0; + enum iwl_mvm_agg_state queue_state; + bool shared_queue = false; int ssn; + unsigned long tfd_queue_mask; int ret; lockdep_assert_held(&mvm->mutex); + spin_lock_bh(&mvmsta->lock); + tfd_queue_mask = mvmsta->tfd_queue_msk; + spin_unlock_bh(&mvmsta->lock); + spin_lock_bh(&mvm->queue_info_lock); /* @@ -338,7 +645,8 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, */ if (!ieee80211_is_data_qos(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control)) { - queue = iwl_mvm_find_free_queue(mvm, IWL_MVM_DQA_MIN_MGMT_QUEUE, + queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id, + IWL_MVM_DQA_MIN_MGMT_QUEUE, IWL_MVM_DQA_MAX_MGMT_QUEUE); if (queue >= IWL_MVM_DQA_MIN_MGMT_QUEUE) IWL_DEBUG_TX_QUEUES(mvm, "Found free MGMT queue #%d\n", @@ -347,29 +655,62 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, /* If no such queue is found, we'll use a DATA queue instead */ } - if (queue < 0 && mvmsta->reserved_queue != IEEE80211_INVAL_HW_QUEUE) { + if ((queue < 0 && mvmsta->reserved_queue != IEEE80211_INVAL_HW_QUEUE) && + (mvm->queue_info[mvmsta->reserved_queue].status == + IWL_MVM_QUEUE_RESERVED || + mvm->queue_info[mvmsta->reserved_queue].status == + IWL_MVM_QUEUE_INACTIVE)) { queue = mvmsta->reserved_queue; + mvm->queue_info[queue].reserved = true; IWL_DEBUG_TX_QUEUES(mvm, "Using reserved queue #%d\n", queue); } if (queue < 0) - queue = iwl_mvm_find_free_queue(mvm, IWL_MVM_DQA_MIN_DATA_QUEUE, + queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id, + IWL_MVM_DQA_MIN_DATA_QUEUE, IWL_MVM_DQA_MAX_DATA_QUEUE); /* + * Check if this queue is already allocated but inactive. + * In such a case, we'll need to first free this queue before enabling + * it again, so we'll mark it as reserved to make sure no new traffic + * arrives on it + */ + if (queue > 0 && + mvm->queue_info[queue].status == IWL_MVM_QUEUE_INACTIVE) { + mvm->queue_info[queue].status = IWL_MVM_QUEUE_RESERVED; + using_inactive_queue = true; + IWL_DEBUG_TX_QUEUES(mvm, + "Re-assigning TXQ %d: sta_id=%d, tid=%d\n", + queue, mvmsta->sta_id, tid); + } + + /* No free queue - we'll have to share */ + if (queue <= 0) { + queue = iwl_mvm_get_shared_queue(mvm, tfd_queue_mask, ac); + if (queue > 0) { + shared_queue = true; + mvm->queue_info[queue].status = IWL_MVM_QUEUE_SHARED; + } + } + + /* * Mark TXQ as ready, even though it hasn't been fully configured yet, * to make sure no one else takes it. * This will allow avoiding re-acquiring the lock at the end of the * configuration. On error we'll mark it back as free. */ - if (queue >= 0) + if ((queue > 0) && !shared_queue) mvm->queue_info[queue].status = IWL_MVM_QUEUE_READY; spin_unlock_bh(&mvm->queue_info_lock); - /* TODO: support shared queues for same RA */ - if (queue < 0) + /* This shouldn't happen - out of queues */ + if (WARN_ON(queue <= 0)) { + IWL_ERR(mvm, "No available queues for tid %d on sta_id %d\n", + tid, cfg.sta_id); return -ENOSPC; + } /* * Actual en/disablement of aggregations is through the ADD_STA HCMD, @@ -380,24 +721,103 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm, cfg.aggregate = (queue >= IWL_MVM_DQA_MIN_DATA_QUEUE || queue == IWL_MVM_DQA_BSS_CLIENT_QUEUE); - IWL_DEBUG_TX_QUEUES(mvm, "Allocating queue #%d to sta %d on tid %d\n", - queue, mvmsta->sta_id, tid); + /* + * If this queue was previously inactive (idle) - we need to free it + * first + */ + if (using_inactive_queue) { + struct iwl_scd_txq_cfg_cmd cmd = { + .scd_queue = queue, + .enable = 0, + }; + u8 ac; + + disable_agg_tids = iwl_mvm_remove_sta_queue_marking(mvm, queue); + + spin_lock_bh(&mvm->queue_info_lock); + ac = mvm->queue_info[queue].mac80211_ac; + cmd.sta_id = mvm->queue_info[queue].ra_sta_id; + cmd.tx_fifo = iwl_mvm_ac_to_tx_fifo[ac]; + spin_unlock_bh(&mvm->queue_info_lock); + + /* Disable the queue */ + iwl_mvm_invalidate_sta_queue(mvm, queue, disable_agg_tids, + true); + iwl_trans_txq_disable(mvm->trans, queue, false); + ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), + &cmd); + if (ret) { + IWL_ERR(mvm, + "Failed to free inactive queue %d (ret=%d)\n", + queue, ret); + + /* Re-mark the inactive queue as inactive */ + spin_lock_bh(&mvm->queue_info_lock); + mvm->queue_info[queue].status = IWL_MVM_QUEUE_INACTIVE; + spin_unlock_bh(&mvm->queue_info_lock); + + return ret; + } + } + + IWL_DEBUG_TX_QUEUES(mvm, + "Allocating %squeue #%d to sta %d on tid %d\n", + shared_queue ? "shared " : "", queue, + mvmsta->sta_id, tid); + + if (shared_queue) { + /* Disable any open aggs on this queue */ + disable_agg_tids = iwl_mvm_get_queue_agg_tids(mvm, queue); + + if (disable_agg_tids) { + IWL_DEBUG_TX_QUEUES(mvm, "Disabling aggs on queue %d\n", + queue); + iwl_mvm_invalidate_sta_queue(mvm, queue, + disable_agg_tids, false); + } + } ssn = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl)); iwl_mvm_enable_txq(mvm, queue, mac_queue, ssn, &cfg, wdg_timeout); + /* + * Mark queue as shared in transport if shared + * Note this has to be done after queue enablement because enablement + * can also set this value, and there is no indication there to shared + * queues + */ + if (shared_queue) + iwl_trans_txq_set_shared_mode(mvm->trans, queue, true); + spin_lock_bh(&mvmsta->lock); mvmsta->tid_data[tid].txq_id = queue; + mvmsta->tid_data[tid].is_tid_active = true; mvmsta->tfd_queue_msk |= BIT(queue); + queue_state = mvmsta->tid_data[tid].state; if (mvmsta->reserved_queue == queue) mvmsta->reserved_queue = IEEE80211_INVAL_HW_QUEUE; spin_unlock_bh(&mvmsta->lock); - ret = iwl_mvm_sta_send_to_fw(mvm, sta, true, STA_MODIFY_QUEUES); - if (ret) - goto out_err; + if (!shared_queue) { + ret = iwl_mvm_sta_send_to_fw(mvm, sta, true, STA_MODIFY_QUEUES); + if (ret) + goto out_err; + + /* If we need to re-enable aggregations... */ + if (queue_state == IWL_AGG_ON) { + ret = iwl_mvm_sta_tx_agg(mvm, sta, tid, queue, true); + if (ret) + goto out_err; + } + } else { + /* Redirect queue, if needed */ + ret = iwl_mvm_scd_queue_redirect(mvm, queue, tid, ac, ssn, + wdg_timeout, false); + if (ret) + goto out_err; + } return 0; @@ -476,6 +896,9 @@ void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk) unsigned long deferred_tid_traffic; int sta_id, tid; + /* Check inactivity of queues */ + iwl_mvm_inactivity_check(mvm); + mutex_lock(&mvm->mutex); /* Go over all stations with deferred traffic */ @@ -505,6 +928,12 @@ static int iwl_mvm_reserve_sta_stream(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); int queue; + /* + * Check for inactive queues, so we don't reach a situation where we + * can't add a STA due to a shortage in queues that doesn't really exist + */ + iwl_mvm_inactivity_check(mvm); + spin_lock_bh(&mvm->queue_info_lock); /* Make sure we have free resources for this STA */ @@ -514,7 +943,8 @@ static int iwl_mvm_reserve_sta_stream(struct iwl_mvm *mvm, IWL_MVM_QUEUE_FREE)) queue = IWL_MVM_DQA_BSS_CLIENT_QUEUE; else - queue = iwl_mvm_find_free_queue(mvm, IWL_MVM_DQA_MIN_DATA_QUEUE, + queue = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id, + IWL_MVM_DQA_MIN_DATA_QUEUE, IWL_MVM_DQA_MAX_DATA_QUEUE); if (queue < 0) { spin_unlock_bh(&mvm->queue_info_lock); @@ -568,8 +998,11 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, mvm_sta->tid_disable_agg = 0xffff; /* No aggs at first */ mvm_sta->tfd_queue_msk = 0; - /* allocate new queues for a TDLS station */ - if (sta->tdls) { + /* + * Allocate new queues for a TDLS station, unless we're in DQA mode, + * and then they'll be allocated dynamically + */ + if (!iwl_mvm_is_dqa_supported(mvm) && sta->tdls) { ret = iwl_mvm_tdls_sta_init(mvm, sta); if (ret) return ret; @@ -633,7 +1066,8 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, return 0; err: - iwl_mvm_tdls_sta_deinit(mvm, sta); + if (!iwl_mvm_is_dqa_supported(mvm) && sta->tdls) + iwl_mvm_tdls_sta_deinit(mvm, sta); return ret; } @@ -819,8 +1253,9 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, if (iwl_mvm_has_new_rx_api(mvm)) kfree(mvm_sta->dup_data); - if (vif->type == NL80211_IFTYPE_STATION && - mvmvif->ap_sta_id == mvm_sta->sta_id) { + if ((vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id == mvm_sta->sta_id) || + iwl_mvm_is_dqa_supported(mvm)){ ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); if (ret) return ret; @@ -838,16 +1273,19 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, if (iwl_mvm_is_dqa_supported(mvm)) iwl_mvm_disable_sta_queues(mvm, vif, mvm_sta); - /* if we are associated - we can't remove the AP STA now */ - if (vif->bss_conf.assoc) - return ret; + if (vif->type == NL80211_IFTYPE_STATION && + mvmvif->ap_sta_id == mvm_sta->sta_id) { + /* if associated - we can't remove the AP STA now */ + if (vif->bss_conf.assoc) + return ret; - /* unassoc - go ahead - remove the AP STA now */ - mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; + /* unassoc - go ahead - remove the AP STA now */ + mvmvif->ap_sta_id = IWL_MVM_STATION_COUNT; - /* clear d0i3_ap_sta_id if no longer relevant */ - if (mvm->d0i3_ap_sta_id == mvm_sta->sta_id) - mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; + /* clear d0i3_ap_sta_id if no longer relevant */ + if (mvm->d0i3_ap_sta_id == mvm_sta->sta_id) + mvm->d0i3_ap_sta_id = IWL_MVM_STATION_COUNT; + } } /* @@ -885,7 +1323,7 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, } else { spin_unlock_bh(&mvm_sta->lock); - if (sta->tdls) + if (!iwl_mvm_is_dqa_supported(mvm) && sta->tdls) iwl_mvm_tdls_sta_deinit(mvm, sta); ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id); @@ -983,8 +1421,9 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); /* Map Aux queue to fifo - needs to happen before adding Aux station */ - iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, mvm->aux_queue, - IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout); + if (!iwl_mvm_is_dqa_supported(mvm)) + iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue, mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST, 0, wdg_timeout); /* Allocate aux station and assign to it the aux queue */ ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, BIT(mvm->aux_queue), @@ -992,6 +1431,19 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) if (ret) return ret; + if (iwl_mvm_is_dqa_supported(mvm)) { + struct iwl_trans_txq_scd_cfg cfg = { + .fifo = IWL_MVM_TX_FIFO_MCAST, + .sta_id = mvm->aux_sta.sta_id, + .tid = IWL_MAX_TID_COUNT, + .aggregate = false, + .frame_limit = IWL_FRAME_LIMIT, + }; + + iwl_mvm_enable_txq(mvm, mvm->aux_queue, mvm->aux_queue, 0, &cfg, + wdg_timeout); + } + ret = iwl_mvm_add_int_sta_common(mvm, &mvm->aux_sta, NULL, MAC_INDEX_AUX, 0); @@ -1316,8 +1768,8 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, switch (status & IWL_ADD_STA_STATUS_MASK) { case ADD_STA_SUCCESS: - IWL_DEBUG_INFO(mvm, "RX BA Session %sed in fw\n", - start ? "start" : "stopp"); + IWL_DEBUG_HT(mvm, "RX BA Session %sed in fw\n", + start ? "start" : "stopp"); break; case ADD_STA_IMMEDIATE_BA_FAILURE: IWL_WARN(mvm, "RX BA Session refused by fw\n"); @@ -1372,13 +1824,16 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, * supposed to happen) and we will free the session data while * RX is being processed in parallel */ + IWL_DEBUG_HT(mvm, "Sta %d(%d) is assigned to BAID %d\n", + mvm_sta->sta_id, tid, baid); WARN_ON(rcu_access_pointer(mvm->baid_map[baid])); rcu_assign_pointer(mvm->baid_map[baid], baid_data); - } else if (mvm->rx_ba_sessions > 0) { + } else { u8 baid = mvm_sta->tid_to_baid[tid]; - /* check that restart flow didn't zero the counter */ - mvm->rx_ba_sessions--; + if (mvm->rx_ba_sessions > 0) + /* check that restart flow didn't zero the counter */ + mvm->rx_ba_sessions--; if (!iwl_mvm_has_new_rx_api(mvm)) return 0; @@ -1394,6 +1849,7 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, del_timer_sync(&baid_data->session_timer); RCU_INIT_POINTER(mvm->baid_map[baid], NULL); kfree_rcu(baid_data, rcu_head); + IWL_DEBUG_HT(mvm, "BAID %d is free\n", baid); } return 0; @@ -1402,8 +1858,8 @@ out_free: return ret; } -static int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - int tid, u8 queue, bool start) +int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, u8 queue, bool start) { struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); struct iwl_mvm_add_sta_cmd cmd = {}; @@ -1458,6 +1914,7 @@ const u8 tid_to_mac80211_ac[] = { IEEE80211_AC_VI, IEEE80211_AC_VO, IEEE80211_AC_VO, + IEEE80211_AC_VO, /* We treat MGMT as TID 8, which is set as AC_VO */ }; static const u8 tid_to_ucode_ac[] = { @@ -1512,7 +1969,8 @@ int iwl_mvm_sta_tx_agg_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif, txq_id = mvmsta->tid_data[tid].txq_id; if (!iwl_mvm_is_dqa_supported(mvm) || mvm->queue_info[txq_id].status != IWL_MVM_QUEUE_READY) { - txq_id = iwl_mvm_find_free_queue(mvm, mvm->first_agg_queue, + txq_id = iwl_mvm_find_free_queue(mvm, mvmsta->sta_id, + mvm->first_agg_queue, mvm->last_agg_queue); if (txq_id < 0) { ret = txq_id; @@ -1907,6 +2365,13 @@ static int iwl_mvm_send_sta_key(struct iwl_mvm *mvm, key_flags |= cpu_to_le16(STA_KEY_FLG_WEP); memcpy(cmd.key + 3, keyconf->key, keyconf->keylen); break; + case WLAN_CIPHER_SUITE_GCMP_256: + key_flags |= cpu_to_le16(STA_KEY_FLG_KEY_32BYTES); + /* fall through */ + case WLAN_CIPHER_SUITE_GCMP: + key_flags |= cpu_to_le16(STA_KEY_FLG_GCMP); + memcpy(cmd.key, keyconf->key, keyconf->keylen); + break; default: key_flags |= cpu_to_le16(STA_KEY_FLG_EXT); memcpy(cmd.key, keyconf->key, keyconf->keylen); @@ -2035,6 +2500,8 @@ static int __iwl_mvm_set_sta_key(struct iwl_mvm *mvm, case WLAN_CIPHER_SUITE_CCMP: case WLAN_CIPHER_SUITE_WEP40: case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: ret = iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast, 0, NULL, 0, key_offset); break; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index d2c58f134..bbc1cab2c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -321,6 +321,9 @@ enum iwl_mvm_agg_state { * Basically when next_reclaimed reaches ssn, we can tell mac80211 that * we are ready to finish the Tx AGG stop / start flow. * @tx_time: medium time consumed by this A-MPDU + * @is_tid_active: has this TID sent traffic in the last + * %IWL_MVM_DQA_QUEUE_TIMEOUT time period. If %txq_id is invalid, this + * field should be ignored. */ struct iwl_mvm_tid_data { struct sk_buff_head deferred_tx_frames; @@ -333,6 +336,7 @@ struct iwl_mvm_tid_data { u16 txq_id; u16 ssn; u16 tx_time; + bool is_tid_active; }; static inline u16 iwl_mvm_tid_queued(struct iwl_mvm_tid_data *tid_data) @@ -434,6 +438,7 @@ struct iwl_mvm_sta { bool tlc_amsdu; u8 agg_tids; u8 sleep_tx_count; + u8 avg_energy; }; static inline struct iwl_mvm_sta * @@ -509,6 +514,9 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u16 tid); +int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta, + int tid, u8 queue, bool start); + int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm); void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index b92b75fea..b3a87a31d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -138,28 +138,19 @@ static void iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb, protocol = ipv6h->nexthdr; while (protocol != NEXTHDR_NONE && ipv6_ext_hdr(protocol)) { + struct ipv6_opt_hdr *hp; + /* only supported extension headers */ if (protocol != NEXTHDR_ROUTING && protocol != NEXTHDR_HOP && - protocol != NEXTHDR_DEST && - protocol != NEXTHDR_FRAGMENT) { + protocol != NEXTHDR_DEST) { skb_checksum_help(skb); return; } - if (protocol == NEXTHDR_FRAGMENT) { - struct frag_hdr *hp = - OPT_HDR(struct frag_hdr, skb, off); - - protocol = hp->nexthdr; - off += sizeof(struct frag_hdr); - } else { - struct ipv6_opt_hdr *hp = - OPT_HDR(struct ipv6_opt_hdr, skb, off); - - protocol = hp->nexthdr; - off += ipv6_optlen(hp); - } + hp = OPT_HDR(struct ipv6_opt_hdr, skb, off); + protocol = hp->nexthdr; + off += ipv6_optlen(hp); } /* if we get here - protocol now should be TCP/UDP */ #endif @@ -388,6 +379,23 @@ void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, struct iwl_tx_cmd *tx_cmd, tx_cmd->rate_n_flags = cpu_to_le32((u32)rate_plcp | rate_flags); } +static inline void iwl_mvm_set_tx_cmd_pn(struct ieee80211_tx_info *info, + u8 *crypto_hdr) +{ + struct ieee80211_key_conf *keyconf = info->control.hw_key; + u64 pn; + + 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; +} + /* * Sets the fields in the Tx cmd that are crypto related */ @@ -405,15 +413,7 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, case WLAN_CIPHER_SUITE_CCMP: 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; + iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); break; case WLAN_CIPHER_SUITE_TKIP: @@ -433,6 +433,18 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm, memcpy(&tx_cmd->key[3], keyconf->key, keyconf->keylen); break; + case WLAN_CIPHER_SUITE_GCMP: + case WLAN_CIPHER_SUITE_GCMP_256: + /* TODO: Taking the key from the table might introduce a race + * when PTK rekeying is done, having an old packets with a PN + * based on the old key but the message encrypted with a new + * one. + * Need to handle this. + */ + tx_cmd->sec_ctl |= TX_CMD_SEC_GCMP | TC_CMD_SEC_KEY_FROM_TABLE; + tx_cmd->key[0] = keyconf->hw_key_idx; + iwl_mvm_set_tx_cmd_pn(info, crypto_hdr); + break; default: tx_cmd->sec_ctl |= TX_CMD_SEC_EXT; } @@ -533,6 +545,9 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) * (this is not possible for unicast packets as a TLDS discovery * response are sent without a station entry); otherwise use the * AUX station. + * In DQA mode, if vif is of type STATION and frames are not multicast, + * they should be sent from the BSS queue. For example, TDLS setup + * frames should be sent on this queue, as they go through the AP. */ sta_id = mvm->aux_sta.sta_id; if (info.control.vif) { @@ -550,6 +565,9 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) if (ap_sta_id != IWL_MVM_STATION_COUNT) sta_id = ap_sta_id; + } else if (iwl_mvm_is_dqa_supported(mvm) && + info.control.vif->type == NL80211_IFTYPE_STATION) { + queue = IWL_MVM_DQA_BSS_CLIENT_QUEUE; } } @@ -883,15 +901,17 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, * nullfunc frames should go to the MGMT queue regardless of QOS */ tid = IWL_MAX_TID_COUNT; - txq_id = mvmsta->tid_data[tid].txq_id; } + if (iwl_mvm_is_dqa_supported(mvm)) + txq_id = mvmsta->tid_data[tid].txq_id; + /* Copy MAC header from skb into command buffer */ memcpy(tx_cmd->hdr, hdr, hdrlen); WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM); - if (sta->tdls) { + if (sta->tdls && !iwl_mvm_is_dqa_supported(mvm)) { /* default to TID 0 for non-QoS packets */ u8 tdls_tid = tid == IWL_MAX_TID_COUNT ? 0 : tid; @@ -904,9 +924,12 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, txq_id = mvmsta->tid_data[tid].txq_id; } - if (iwl_mvm_is_dqa_supported(mvm)) { - if (unlikely(mvmsta->tid_data[tid].txq_id == - IEEE80211_INVAL_HW_QUEUE)) { + /* Check if TXQ needs to be allocated or re-activated */ + if (unlikely(txq_id == IEEE80211_INVAL_HW_QUEUE || + !mvmsta->tid_data[tid].is_tid_active) && + iwl_mvm_is_dqa_supported(mvm)) { + /* If TXQ needs to be allocated... */ + if (txq_id == IEEE80211_INVAL_HW_QUEUE) { iwl_mvm_tx_add_stream(mvm, mvmsta, tid, skb); /* @@ -916,11 +939,22 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, iwl_trans_free_tx_cmd(mvm->trans, dev_cmd); spin_unlock(&mvmsta->lock); return 0; + } - txq_id = mvmsta->tid_data[tid].txq_id; + /* If we are here - TXQ exists and needs to be re-activated */ + spin_lock(&mvm->queue_info_lock); + mvm->queue_info[txq_id].status = IWL_MVM_QUEUE_READY; + mvmsta->tid_data[tid].is_tid_active = true; + spin_unlock(&mvm->queue_info_lock); + + IWL_DEBUG_TX_QUEUES(mvm, "Re-activating queue %d for TX\n", + txq_id); } + /* Keep track of the time of the last frame for this RA/TID */ + mvm->queue_info[txq_id].last_frame_time[tid] = jiffies; + IWL_DEBUG_TX(mvm, "TX to [%d|%d] Q:%d - seq: 0x%x\n", mvmsta->sta_id, tid, txq_id, IEEE80211_SEQ_TO_SN(seq_number)); @@ -1312,7 +1346,15 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, bool send_eosp_ndp = false; spin_lock_bh(&mvmsta->lock); - txq_agg = (mvmsta->tid_data[tid].state == IWL_AGG_ON); + if (iwl_mvm_is_dqa_supported(mvm)) { + enum iwl_mvm_agg_state state; + + state = mvmsta->tid_data[tid].state; + txq_agg = (state == IWL_AGG_ON || + state == IWL_EMPTYING_HW_QUEUE_DELBA); + } else { + txq_agg = txq_id >= mvm->first_agg_queue; + } if (!is_ndp) { tid_data->next_reclaimed = next_reclaimed; @@ -1643,7 +1685,7 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) iwl_mvm_tx_info_from_ba_notif(&ba_info, ba_notif, tid_data); IWL_DEBUG_TX_REPLY(mvm, "No reclaim. Update rs directly\n"); - iwl_mvm_rs_tx_status(mvm, sta, tid, &ba_info); + iwl_mvm_rs_tx_status(mvm, sta, tid, &ba_info, false); } out: diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 161b99efd..68f4e7fdf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -579,17 +579,29 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) iwl_mvm_dump_umac_error_log(mvm); } -int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 minq, u8 maxq) +int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq) { int i; lockdep_assert_held(&mvm->queue_info_lock); + /* Start by looking for a free queue */ for (i = minq; i <= maxq; i++) if (mvm->queue_info[i].hw_queue_refcount == 0 && mvm->queue_info[i].status == IWL_MVM_QUEUE_FREE) return i; + /* + * If no free queue found - settle for an inactive one to reconfigure + * Make sure that the inactive queue either already belongs to this STA, + * or that if it belongs to another one - it isn't the reserved queue + */ + for (i = minq; i <= maxq; i++) + if (mvm->queue_info[i].status == IWL_MVM_QUEUE_INACTIVE && + (sta_id == mvm->queue_info[i].ra_sta_id || + !mvm->queue_info[i].reserved)) + return i; + return -ENOSPC; } @@ -643,13 +655,21 @@ void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, } /* Update mappings and refcounts */ + if (mvm->queue_info[queue].hw_queue_refcount > 0) + enable_queue = false; + mvm->queue_info[queue].hw_queue_to_mac80211 |= BIT(mac80211_queue); mvm->queue_info[queue].hw_queue_refcount++; - if (mvm->queue_info[queue].hw_queue_refcount > 1) - enable_queue = false; - else - mvm->queue_info[queue].ra_sta_id = cfg->sta_id; mvm->queue_info[queue].tid_bitmap |= BIT(cfg->tid); + mvm->queue_info[queue].ra_sta_id = cfg->sta_id; + + if (enable_queue) { + if (cfg->tid != IWL_MAX_TID_COUNT) + mvm->queue_info[queue].mac80211_ac = + tid_to_mac80211_ac[cfg->tid]; + else + mvm->queue_info[queue].mac80211_ac = IEEE80211_AC_VO; + } IWL_DEBUG_TX_QUEUES(mvm, "Enabling TXQ #%d refcount=%d (mac80211 map:0x%x)\n", @@ -671,6 +691,10 @@ void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, .tid = cfg->tid, }; + /* Set sta_id in the command, if it exists */ + if (iwl_mvm_is_dqa_supported(mvm)) + cmd.sta_id = cfg->sta_id; + iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn, NULL, wdg_timeout); WARN(iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0, sizeof(cmd), @@ -752,6 +776,9 @@ void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue, mvm->queue_info[queue].tid_bitmap = 0; mvm->queue_info[queue].hw_queue_to_mac80211 = 0; + /* Regardless if this is a reserved TXQ for a STA - mark it as false */ + mvm->queue_info[queue].reserved = false; + spin_unlock_bh(&mvm->queue_info_lock); iwl_trans_txq_disable(mvm->trans, queue, false); @@ -1039,6 +1066,155 @@ out: ieee80211_connection_loss(vif); } +/* + * Remove inactive TIDs of a given queue. + * If all queue TIDs are inactive - mark the queue as inactive + * If only some the queue TIDs are inactive - unmap them from the queue + */ +static void iwl_mvm_remove_inactive_tids(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvmsta, int queue, + unsigned long tid_bitmap) +{ + int tid; + + lockdep_assert_held(&mvmsta->lock); + lockdep_assert_held(&mvm->queue_info_lock); + + /* Go over all non-active TIDs, incl. IWL_MAX_TID_COUNT (for mgmt) */ + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { + /* If some TFDs are still queued - don't mark TID as inactive */ + if (iwl_mvm_tid_queued(&mvmsta->tid_data[tid])) + tid_bitmap &= ~BIT(tid); + } + + /* If all TIDs in the queue are inactive - mark queue as inactive. */ + if (tid_bitmap == mvm->queue_info[queue].tid_bitmap) { + mvm->queue_info[queue].status = IWL_MVM_QUEUE_INACTIVE; + + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) + mvmsta->tid_data[tid].is_tid_active = false; + + IWL_DEBUG_TX_QUEUES(mvm, "Queue %d marked as inactive\n", + queue); + return; + } + + /* + * If we are here, this is a shared queue and not all TIDs timed-out. + * Remove the ones that did. + */ + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { + int mac_queue = mvmsta->vif->hw_queue[tid_to_mac80211_ac[tid]]; + + mvmsta->tid_data[tid].txq_id = IEEE80211_INVAL_HW_QUEUE; + mvm->queue_info[queue].hw_queue_to_mac80211 &= ~BIT(mac_queue); + mvm->queue_info[queue].hw_queue_refcount--; + mvm->queue_info[queue].tid_bitmap &= ~BIT(tid); + mvmsta->tid_data[tid].is_tid_active = false; + + IWL_DEBUG_TX_QUEUES(mvm, + "Removing inactive TID %d from shared Q:%d\n", + tid, queue); + } + + IWL_DEBUG_TX_QUEUES(mvm, + "TXQ #%d left with tid bitmap 0x%x\n", queue, + mvm->queue_info[queue].tid_bitmap); + + /* + * There may be different TIDs with the same mac queues, so make + * sure all TIDs have existing corresponding mac queues enabled + */ + tid_bitmap = mvm->queue_info[queue].tid_bitmap; + for_each_set_bit(tid, &tid_bitmap, IWL_MAX_TID_COUNT + 1) { + mvm->queue_info[queue].hw_queue_to_mac80211 |= + BIT(mvmsta->vif->hw_queue[tid_to_mac80211_ac[tid]]); + } + + /* TODO: if queue was shared - need to re-enable AGGs */ +} + +void iwl_mvm_inactivity_check(struct iwl_mvm *mvm) +{ + unsigned long timeout_queues_map = 0; + unsigned long now = jiffies; + int i; + + spin_lock_bh(&mvm->queue_info_lock); + for (i = 0; i < IWL_MAX_HW_QUEUES; i++) + if (mvm->queue_info[i].hw_queue_refcount > 0) + timeout_queues_map |= BIT(i); + spin_unlock_bh(&mvm->queue_info_lock); + + rcu_read_lock(); + + /* + * If a queue time outs - mark it as INACTIVE (don't remove right away + * if we don't have to.) This is an optimization in case traffic comes + * later, and we don't HAVE to use a currently-inactive queue + */ + for_each_set_bit(i, &timeout_queues_map, IWL_MAX_HW_QUEUES) { + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + u8 sta_id; + int tid; + unsigned long inactive_tid_bitmap = 0; + unsigned long queue_tid_bitmap; + + spin_lock_bh(&mvm->queue_info_lock); + queue_tid_bitmap = mvm->queue_info[i].tid_bitmap; + + /* If TXQ isn't in active use anyway - nothing to do here... */ + if (mvm->queue_info[i].status != IWL_MVM_QUEUE_READY && + mvm->queue_info[i].status != IWL_MVM_QUEUE_SHARED) { + spin_unlock_bh(&mvm->queue_info_lock); + continue; + } + + /* Check to see if there are inactive TIDs on this queue */ + for_each_set_bit(tid, &queue_tid_bitmap, + IWL_MAX_TID_COUNT + 1) { + if (time_after(mvm->queue_info[i].last_frame_time[tid] + + IWL_MVM_DQA_QUEUE_TIMEOUT, now)) + continue; + + inactive_tid_bitmap |= BIT(tid); + } + spin_unlock_bh(&mvm->queue_info_lock); + + /* If all TIDs are active - finish check on this queue */ + if (!inactive_tid_bitmap) + continue; + + /* + * If we are here - the queue hadn't been served recently and is + * in use + */ + + sta_id = mvm->queue_info[i].ra_sta_id; + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + + /* + * If the STA doesn't exist anymore, it isn't an error. It could + * be that it was removed since getting the queues, and in this + * case it should've inactivated its queues anyway. + */ + if (IS_ERR_OR_NULL(sta)) + continue; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + + spin_lock_bh(&mvmsta->lock); + spin_lock(&mvm->queue_info_lock); + iwl_mvm_remove_inactive_tids(mvm, mvmsta, i, + inactive_tid_bitmap); + spin_unlock(&mvm->queue_info_lock); + spin_unlock_bh(&mvmsta->lock); + } + + rcu_read_unlock(); +} + int iwl_mvm_send_lqm_cmd(struct ieee80211_vif *vif, enum iwl_lqm_cmd_operatrions operation, u32 duration, u32 timeout) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 6f020e4ec..78cf9a7f3 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -516,6 +516,9 @@ static const struct pci_device_id iwl_hw_card_ids[] = { {IWL_PCI_DEVICE(0x2526, 0x1420, iwl5165_2ac_cfg)}, {IWL_PCI_DEVICE(0x9DF0, 0x0710, iwl5165_2ac_cfg)}, {IWL_PCI_DEVICE(0x9DF0, 0x2A10, iwl5165_2ac_cfg)}, + +/* a000 Series */ + {IWL_PCI_DEVICE(0x2720, 0x0A10, iwla000_2ac_cfg)}, #endif /* CONFIG_IWLMVM */ {0} @@ -607,7 +610,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) const struct iwl_cfg *cfg_7265d __maybe_unused = NULL; const struct iwl_cfg *cfg_9260lc __maybe_unused = NULL; struct iwl_trans *iwl_trans; - struct iwl_trans_pcie *trans_pcie; int ret; iwl_trans = iwl_trans_pcie_alloc(pdev, ent, cfg); @@ -645,12 +647,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) #endif pci_set_drvdata(pdev, iwl_trans); + iwl_trans->drv = iwl_drv_start(iwl_trans, cfg); - trans_pcie = IWL_TRANS_GET_PCIE_TRANS(iwl_trans); - trans_pcie->drv = iwl_drv_start(iwl_trans, cfg); - - if (IS_ERR(trans_pcie->drv)) { - ret = PTR_ERR(trans_pcie->drv); + if (IS_ERR(iwl_trans->drv)) { + ret = PTR_ERR(iwl_trans->drv); goto out_free_trans; } @@ -689,7 +689,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; out_free_drv: - iwl_drv_stop(trans_pcie->drv); + iwl_drv_stop(iwl_trans->drv); out_free_trans: iwl_trans_pcie_free(iwl_trans); return ret; @@ -698,7 +698,6 @@ out_free_trans: static void iwl_pci_remove(struct pci_dev *pdev) { struct iwl_trans *trans = pci_get_drvdata(pdev); - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); /* if RTPM was in use, restore it to the state before probe */ if (trans->runtime_pm_mode != IWL_PLAT_PM_MODE_DISABLED) { @@ -709,7 +708,7 @@ static void iwl_pci_remove(struct pci_dev *pdev) pm_runtime_forbid(trans->dev); } - iwl_drv_stop(trans_pcie->drv); + iwl_drv_stop(trans->drv); iwl_trans_pcie_free(trans); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h index 2d8cce290..11e347dd4 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h @@ -68,12 +68,14 @@ struct iwl_host_cmd; * struct iwl_rx_mem_buffer * @page_dma: bus address of rxb page * @page: driver's pointer to the rxb page + * @invalid: rxb is in driver ownership - not owned by HW * @vid: index of this rxb in the global table */ struct iwl_rx_mem_buffer { dma_addr_t page_dma; struct page *page; u16 vid; + bool invalid; struct list_head list; }; @@ -230,15 +232,16 @@ struct iwl_queue { #define TFD_CMD_SLOTS 32 /* - * The FH will write back to the first TB only, so we need - * to copy some data into the buffer regardless of whether - * it should be mapped or not. This indicates how big the - * first TB must be to include the scratch buffer. Since - * the scratch is 4 bytes at offset 12, it's 16 now. If we - * make it bigger then allocations will be bigger and copy - * slower, so that's probably not useful. + * The FH will write back to the first TB only, so we need to copy some data + * into the buffer regardless of whether it should be mapped or not. + * This indicates how big the first TB must be to include the scratch buffer + * and the assigned PN. + * Since PN location is 16 bytes at offset 24, it's 40 now. + * If we make it bigger then allocations will be bigger and copy slower, so + * that's probably not useful. */ -#define IWL_HCMD_SCRATCHBUF_SIZE 16 +#define IWL_FIRST_TB_SIZE 40 +#define IWL_FIRST_TB_SIZE_ALIGN ALIGN(IWL_FIRST_TB_SIZE, 64) struct iwl_pcie_txq_entry { struct iwl_device_cmd *cmd; @@ -248,20 +251,18 @@ struct iwl_pcie_txq_entry { struct iwl_cmd_meta meta; }; -struct iwl_pcie_txq_scratch_buf { - struct iwl_cmd_header hdr; - u8 buf[8]; - __le32 scratch; +struct iwl_pcie_first_tb_buf { + u8 buf[IWL_FIRST_TB_SIZE_ALIGN]; }; /** * struct iwl_txq - Tx Queue for DMA * @q: generic Rx/Tx queue descriptor * @tfds: transmit frame descriptors (DMA memory) - * @scratchbufs: start of command headers, including scratch buffers, for + * @first_tb_bufs: start of command headers, including scratch buffers, for * the writeback -- this is DMA memory and an array holding one buffer * for each command on the queue - * @scratchbufs_dma: DMA address for the scratchbufs start + * @first_tb_dma: DMA address for the first_tb_bufs start * @entries: transmit entries (driver state) * @lock: queue lock * @stuck_timer: timer that fires if queue gets stuck @@ -279,8 +280,8 @@ struct iwl_pcie_txq_scratch_buf { struct iwl_txq { struct iwl_queue q; struct iwl_tfd *tfds; - struct iwl_pcie_txq_scratch_buf *scratchbufs; - dma_addr_t scratchbufs_dma; + struct iwl_pcie_first_tb_buf *first_tb_bufs; + dma_addr_t first_tb_dma; struct iwl_pcie_txq_entry *entries; spinlock_t lock; unsigned long frozen_expiry_remainder; @@ -296,10 +297,10 @@ struct iwl_txq { }; static inline dma_addr_t -iwl_pcie_get_scratchbuf_dma(struct iwl_txq *txq, int idx) +iwl_pcie_get_first_tb_dma(struct iwl_txq *txq, int idx) { - return txq->scratchbufs_dma + - sizeof(struct iwl_pcie_txq_scratch_buf) * idx; + return txq->first_tb_dma + + sizeof(struct iwl_pcie_first_tb_buf) * idx; } struct iwl_tso_hdr_page { @@ -313,7 +314,6 @@ struct iwl_tso_hdr_page { * @rx_pool: initial pool of iwl_rx_mem_buffer for all the queues * @global_table: table mapping received VID from hw to rxb * @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 * @scd_bc_tbls: pointer to the byte count table of the scheduler @@ -351,7 +351,6 @@ struct iwl_trans_pcie { struct iwl_rx_mem_buffer *global_table[RX_POOL_SIZE]; struct iwl_rb_allocator rba; struct iwl_trans *trans; - struct iwl_drv *drv; struct net_device napi_dev; @@ -385,6 +384,8 @@ struct iwl_trans_pcie { wait_queue_head_t wait_command_queue; wait_queue_head_t d0i3_waitq; + u8 page_offs, dev_cmd_offs; + u8 cmd_queue; u8 cmd_fifo; unsigned int cmd_q_wdg_timeout; @@ -471,6 +472,10 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int queue, u16 ssn, unsigned int wdg_timeout); void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue, bool configure_scd); +void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id, + bool shared_mode); +void iwl_trans_pcie_log_scd_error(struct iwl_trans *trans, + struct iwl_txq *txq); int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, struct iwl_device_cmd *dev_cmd, int txq_id); void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans); @@ -690,4 +695,6 @@ static inline int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) int iwl_pci_fw_exit_d0i3(struct iwl_trans *trans); int iwl_pci_fw_enter_d0i3(struct iwl_trans *trans); +void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable); + #endif /* __iwl_trans_int_pcie_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index aaaf2ad6e..5c36e6d00 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -161,21 +161,21 @@ static inline __le32 iwl_pcie_dma_addr2rbd_ptr(dma_addr_t dma_addr) return cpu_to_le32((u32)(dma_addr >> 8)); } -static void iwl_pcie_write_prph_64_no_grab(struct iwl_trans *trans, u64 ofs, - u64 val) -{ - iwl_write_prph_no_grab(trans, ofs, val & 0xffffffff); - iwl_write_prph_no_grab(trans, ofs + 4, val >> 32); -} - /* * iwl_pcie_rx_stop - stops the Rx DMA */ int iwl_pcie_rx_stop(struct iwl_trans *trans) { - iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); - return iwl_poll_direct_bit(trans, FH_MEM_RSSR_RX_STATUS_REG, - FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, 1000); + if (trans->cfg->mq_rx_supported) { + iwl_write_prph(trans, RFH_RXF_DMA_CFG, 0); + return iwl_poll_prph_bit(trans, RFH_GEN_STATUS, + RXF_DMA_IDLE, RXF_DMA_IDLE, 1000); + } else { + iwl_write_direct32(trans, FH_MEM_RCSR_CHNL0_CONFIG_REG, 0); + return iwl_poll_direct_bit(trans, FH_MEM_RSSR_RX_STATUS_REG, + FH_RSSR_CHNL0_RX_STATUS_CHNL_IDLE, + 1000); + } } /* @@ -211,12 +211,8 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, if (trans->cfg->mq_rx_supported) iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id), rxq->write_actual); - /* - * write to FH_RSCSR_CHNL0_WPTR register even in MQ as a W/A to - * hardware shadow registers bug - writing to RFH_Q_FRBDCB_WIDX will - * not wake the NIC. - */ - iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); + else + iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, rxq->write_actual); } static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans) @@ -237,10 +233,10 @@ static void iwl_pcie_rxq_check_wrptr(struct iwl_trans *trans) } /* - * iwl_pcie_rxq_mq_restock - restock implementation for multi-queue rx + * iwl_pcie_rxmq_restock - restock implementation for multi-queue rx */ -static void iwl_pcie_rxq_mq_restock(struct iwl_trans *trans, - struct iwl_rxq *rxq) +static void iwl_pcie_rxmq_restock(struct iwl_trans *trans, + struct iwl_rxq *rxq) { struct iwl_rx_mem_buffer *rxb; @@ -263,7 +259,7 @@ static void iwl_pcie_rxq_mq_restock(struct iwl_trans *trans, rxb = list_first_entry(&rxq->rx_free, struct iwl_rx_mem_buffer, list); list_del(&rxb->list); - + rxb->invalid = false; /* 12 first bits are expected to be empty */ WARN_ON(rxb->page_dma & DMA_BIT_MASK(12)); /* Point to Rx buffer via next RBD in circular buffer */ @@ -285,10 +281,10 @@ static void iwl_pcie_rxq_mq_restock(struct iwl_trans *trans, } /* - * iwl_pcie_rxq_sq_restock - restock implementation for single queue rx + * iwl_pcie_rxsq_restock - restock implementation for single queue rx */ -static void iwl_pcie_rxq_sq_restock(struct iwl_trans *trans, - struct iwl_rxq *rxq) +static void iwl_pcie_rxsq_restock(struct iwl_trans *trans, + struct iwl_rxq *rxq) { struct iwl_rx_mem_buffer *rxb; @@ -314,6 +310,7 @@ static void iwl_pcie_rxq_sq_restock(struct iwl_trans *trans, rxb = list_first_entry(&rxq->rx_free, struct iwl_rx_mem_buffer, list); list_del(&rxb->list); + rxb->invalid = false; /* Point to Rx buffer via next RBD in circular buffer */ bd[rxq->write] = iwl_pcie_dma_addr2rbd_ptr(rxb->page_dma); @@ -347,9 +344,9 @@ static void iwl_pcie_rxq_restock(struct iwl_trans *trans, struct iwl_rxq *rxq) { if (trans->cfg->mq_rx_supported) - iwl_pcie_rxq_mq_restock(trans, rxq); + iwl_pcie_rxmq_restock(trans, rxq); else - iwl_pcie_rxq_sq_restock(trans, rxq); + iwl_pcie_rxsq_restock(trans, rxq); } /* @@ -764,6 +761,23 @@ static void iwl_pcie_rx_hw_init(struct iwl_trans *trans, struct iwl_rxq *rxq) iwl_set_bit(trans, CSR_INT_COALESCING, IWL_HOST_INT_OPER_MODE); } +void iwl_pcie_enable_rx_wake(struct iwl_trans *trans, bool enable) +{ + /* + * Turn on the chicken-bits that cause MAC wakeup for RX-related + * values. + * This costs some power, but needed for W/A 9000 integrated A-step + * bug where shadow registers are not in the retention list and their + * value is lost when NIC powers down + */ + if (trans->cfg->integrated) { + iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTRL, + CSR_MAC_SHADOW_REG_CTRL_RX_WAKE); + iwl_set_bit(trans, CSR_MAC_SHADOW_REG_CTL2, + CSR_MAC_SHADOW_REG_CTL2_RX_WAKE); + } +} + static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -796,17 +810,17 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) for (i = 0; i < trans->num_rx_queues; i++) { /* Tell device where to find RBD free table in DRAM */ - iwl_pcie_write_prph_64_no_grab(trans, - RFH_Q_FRBDCB_BA_LSB(i), - trans_pcie->rxq[i].bd_dma); + iwl_write_prph64_no_grab(trans, + RFH_Q_FRBDCB_BA_LSB(i), + trans_pcie->rxq[i].bd_dma); /* Tell device where to find RBD used table in DRAM */ - iwl_pcie_write_prph_64_no_grab(trans, - RFH_Q_URBDCB_BA_LSB(i), - trans_pcie->rxq[i].used_bd_dma); + iwl_write_prph64_no_grab(trans, + RFH_Q_URBDCB_BA_LSB(i), + trans_pcie->rxq[i].used_bd_dma); /* Tell device where in DRAM to update its Rx status */ - iwl_pcie_write_prph_64_no_grab(trans, - RFH_Q_URBD_STTS_WPTR_LSB(i), - trans_pcie->rxq[i].rb_stts_dma); + iwl_write_prph64_no_grab(trans, + RFH_Q_URBD_STTS_WPTR_LSB(i), + trans_pcie->rxq[i].rb_stts_dma); /* Reset device indice tables */ iwl_write_prph_no_grab(trans, RFH_Q_FRBDCB_WIDX(i), 0); iwl_write_prph_no_grab(trans, RFH_Q_FRBDCB_RIDX(i), 0); @@ -815,33 +829,32 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) enabled |= BIT(i) | BIT(i + 16); } - /* restock default queue */ - iwl_pcie_rxq_mq_restock(trans, &trans_pcie->rxq[0]); - /* * Enable Rx DMA - * Single frame mode * Rx buffer size 4 or 8k or 12k * Min RB size 4 or 8 * Drop frames that exceed RB size * 512 RBDs */ iwl_write_prph_no_grab(trans, RFH_RXF_DMA_CFG, - RFH_DMA_EN_ENABLE_VAL | - rb_size | RFH_RXF_DMA_SINGLE_FRAME_MASK | + RFH_DMA_EN_ENABLE_VAL | rb_size | RFH_RXF_DMA_MIN_RB_4_8 | RFH_RXF_DMA_DROP_TOO_LARGE_MASK | RFH_RXF_DMA_RBDCB_SIZE_512); /* * Activate DMA snooping. - * Set RX DMA chunk size to 64B + * Set RX DMA chunk size to 64B for IOSF and 128B for PCIe * Default queue is 0 */ iwl_write_prph_no_grab(trans, RFH_GEN_CFG, RFH_GEN_CFG_RFH_DMA_SNOOP | (DEFAULT_RXQ_NUM << RFH_GEN_CFG_DEFAULT_RXQ_NUM_POS) | - RFH_GEN_CFG_SERVICE_DMA_SNOOP); + RFH_GEN_CFG_SERVICE_DMA_SNOOP | + (trans->cfg->integrated ? + RFH_GEN_CFG_RB_CHUNK_SIZE_64 : + RFH_GEN_CFG_RB_CHUNK_SIZE_128) << + RFH_GEN_CFG_RB_CHUNK_SIZE_POS); /* Enable the relevant rx queues */ iwl_write_prph_no_grab(trans, RFH_RXF_RXQ_ACTIVE, enabled); @@ -849,6 +862,8 @@ static void iwl_pcie_rx_mq_hw_init(struct iwl_trans *trans) /* Set interrupt coalescing timer to default (2048 usecs) */ iwl_write8(trans, CSR_INT_COALESCING, IWL_HOST_INT_TIMEOUT_DEF); + + iwl_pcie_enable_rx_wake(trans, true); } static void iwl_pcie_rx_init_rxb_lists(struct iwl_rxq *rxq) @@ -939,16 +954,18 @@ int iwl_pcie_rx_init(struct iwl_trans *trans) else list_add(&rxb->list, &def_rxq->rx_used); trans_pcie->global_table[i] = rxb; - rxb->vid = (u16)i; + rxb->vid = (u16)(i + 1); + rxb->invalid = true; } iwl_pcie_rxq_alloc_rbs(trans, GFP_KERNEL, def_rxq); - if (trans->cfg->mq_rx_supported) { + + if (trans->cfg->mq_rx_supported) iwl_pcie_rx_mq_hw_init(trans); - } else { - iwl_pcie_rxq_sq_restock(trans, def_rxq); + else iwl_pcie_rx_hw_init(trans, def_rxq); - } + + iwl_pcie_rxq_restock(trans, def_rxq); spin_lock(&def_rxq->lock); iwl_pcie_rxq_inc_wr_ptr(trans, def_rxq); @@ -1087,6 +1104,9 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID)) break; + WARN_ON((le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_RXQ_MASK) >> + FH_RSCSR_RXQ_POS != rxq->id); + IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x, seq 0x%x)\n", rxcb._offset, @@ -1224,10 +1244,19 @@ restart: */ u16 vid = le32_to_cpu(rxq->used_bd[i]) & 0x0FFF; - if (WARN(vid >= ARRAY_SIZE(trans_pcie->global_table), - "Invalid rxb index from HW %u\n", (u32)vid)) + if (WARN(!vid || + vid > ARRAY_SIZE(trans_pcie->global_table), + "Invalid rxb index from HW %u\n", (u32)vid)) { + iwl_force_nmi(trans); goto out; - rxb = trans_pcie->global_table[vid]; + } + rxb = trans_pcie->global_table[vid - 1]; + if (WARN(rxb->invalid, + "Invalid rxb from HW %u\n", (u32)vid)) { + iwl_force_nmi(trans); + goto out; + } + rxb->invalid = true; } else { rxb = rxq->queue[i]; rxq->queue[i] = NULL; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index d9f139462..74f2f035b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -608,18 +608,10 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans) /* * ucode */ -static int iwl_pcie_load_firmware_chunk(struct iwl_trans *trans, u32 dst_addr, - dma_addr_t phy_addr, u32 byte_cnt) +static void iwl_pcie_load_firmware_chunk_fh(struct iwl_trans *trans, + u32 dst_addr, dma_addr_t phy_addr, + u32 byte_cnt) { - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - unsigned long flags; - int ret; - - trans_pcie->ucode_write_complete = false; - - if (!iwl_trans_grab_nic_access(trans, &flags)) - return -EIO; - iwl_write32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(FH_SRVC_CHNL), FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_PAUSE); @@ -642,7 +634,50 @@ static int iwl_pcie_load_firmware_chunk(struct iwl_trans *trans, u32 dst_addr, FH_TCSR_TX_CONFIG_REG_VAL_DMA_CHNL_ENABLE | FH_TCSR_TX_CONFIG_REG_VAL_DMA_CREDIT_DISABLE | FH_TCSR_TX_CONFIG_REG_VAL_CIRQ_HOST_ENDTFD); +} + +static void iwl_pcie_load_firmware_chunk_tfh(struct iwl_trans *trans, + u32 dst_addr, dma_addr_t phy_addr, + u32 byte_cnt) +{ + /* Stop DMA channel */ + iwl_write32(trans, TFH_SRV_DMA_CHNL0_CTRL, 0); + + /* Configure SRAM address */ + iwl_write32(trans, TFH_SRV_DMA_CHNL0_SRAM_ADDR, + dst_addr); + + /* Configure DRAM address - 64 bit */ + iwl_write64(trans, TFH_SRV_DMA_CHNL0_DRAM_ADDR, phy_addr); + /* Configure byte count to transfer */ + iwl_write32(trans, TFH_SRV_DMA_CHNL0_BC, byte_cnt); + + /* Enable the DRAM2SRAM to start */ + iwl_write32(trans, TFH_SRV_DMA_CHNL0_CTRL, TFH_SRV_DMA_SNOOP | + TFH_SRV_DMA_TO_DRIVER | + TFH_SRV_DMA_START); +} + +static int iwl_pcie_load_firmware_chunk(struct iwl_trans *trans, + u32 dst_addr, dma_addr_t phy_addr, + u32 byte_cnt) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + unsigned long flags; + int ret; + + trans_pcie->ucode_write_complete = false; + + if (!iwl_trans_grab_nic_access(trans, &flags)) + return -EIO; + + if (trans->cfg->use_tfh) + iwl_pcie_load_firmware_chunk_tfh(trans, dst_addr, phy_addr, + byte_cnt); + else + iwl_pcie_load_firmware_chunk_fh(trans, dst_addr, phy_addr, + byte_cnt); iwl_trans_release_nic_access(trans, &flags); ret = wait_event_timeout(trans_pcie->ucode_write_waitq, @@ -1285,6 +1320,8 @@ static void iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test, iwl_clear_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + iwl_pcie_enable_rx_wake(trans, false); + if (reset) { /* * reset TX queues -- some of their registers reset during S3 @@ -1310,6 +1347,8 @@ static int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, return 0; } + iwl_pcie_enable_rx_wake(trans, true); + /* * Also enables interrupts - none will happen as the device doesn't * know we're waking it up, only when the opmode actually tells it @@ -1388,8 +1427,12 @@ static void iwl_pcie_init_msix(struct iwl_trans_pcie *trans_pcie) max_rx_vector = trans_pcie->allocated_vector - 1; - if (!trans_pcie->msix_enabled) + if (!trans_pcie->msix_enabled) { + if (trans->cfg->mq_rx_supported) + iwl_write_prph(trans, UREG_CHICK, + UREG_CHICK_MSI_ENABLE); return; + } iwl_write_prph(trans, UREG_CHICK, UREG_CHICK_MSIX_ENABLE); @@ -1634,6 +1677,9 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, trans_pcie->scd_set_active = trans_cfg->scd_set_active; trans_pcie->sw_csum_tx = trans_cfg->sw_csum_tx; + trans_pcie->page_offs = trans_cfg->cb_data_offs; + trans_pcie->dev_cmd_offs = trans_cfg->cb_data_offs + sizeof(void *); + trans->command_groups = trans_cfg->command_groups; trans->command_groups_size = trans_cfg->command_groups_size; @@ -1904,6 +1950,48 @@ static void iwl_trans_pcie_block_txq_ptrs(struct iwl_trans *trans, bool block) #define IWL_FLUSH_WAIT_MS 2000 +void iwl_trans_pcie_log_scd_error(struct iwl_trans *trans, struct iwl_txq *txq) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + u32 scd_sram_addr; + u8 buf[16]; + int cnt; + + IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n", + txq->q.read_ptr, txq->q.write_ptr); + + scd_sram_addr = trans_pcie->scd_base_addr + + SCD_TX_STTS_QUEUE_OFFSET(txq->q.id); + iwl_trans_read_mem_bytes(trans, scd_sram_addr, buf, sizeof(buf)); + + iwl_print_hex_error(trans, buf, sizeof(buf)); + + for (cnt = 0; cnt < FH_TCSR_CHNL_NUM; cnt++) + IWL_ERR(trans, "FH TRBs(%d) = 0x%08x\n", cnt, + iwl_read_direct32(trans, FH_TX_TRB_REG(cnt))); + + for (cnt = 0; cnt < trans->cfg->base_params->num_of_queues; cnt++) { + u32 status = iwl_read_prph(trans, SCD_QUEUE_STATUS_BITS(cnt)); + u8 fifo = (status >> SCD_QUEUE_STTS_REG_POS_TXF) & 0x7; + bool active = !!(status & BIT(SCD_QUEUE_STTS_REG_POS_ACTIVE)); + u32 tbl_dw = + iwl_trans_read_mem32(trans, trans_pcie->scd_base_addr + + SCD_TRANS_TBL_OFFSET_QUEUE(cnt)); + + if (cnt & 0x1) + tbl_dw = (tbl_dw & 0xFFFF0000) >> 16; + else + tbl_dw = tbl_dw & 0x0000FFFF; + + IWL_ERR(trans, + "Q %d is %sactive and mapped to fifo %d ra_tid 0x%04x [%d,%d]\n", + cnt, active ? "" : "in", fifo, tbl_dw, + iwl_read_prph(trans, SCD_QUEUE_RDPTR(cnt)) & + (TFD_QUEUE_SIZE_MAX - 1), + iwl_read_prph(trans, SCD_QUEUE_WRPTR(cnt))); + } +} + static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, u32 txq_bm) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -1911,8 +1999,6 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, u32 txq_bm) struct iwl_queue *q; int cnt; unsigned long now = jiffies; - u32 scd_sram_addr; - u8 buf[16]; int ret = 0; /* waiting for all the tx frames complete might take a while */ @@ -1952,42 +2038,8 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, u32 txq_bm) IWL_DEBUG_TX_QUEUES(trans, "Queue %d is now empty.\n", cnt); } - if (!ret) - return 0; - - IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n", - txq->q.read_ptr, txq->q.write_ptr); - - scd_sram_addr = trans_pcie->scd_base_addr + - SCD_TX_STTS_QUEUE_OFFSET(txq->q.id); - iwl_trans_read_mem_bytes(trans, scd_sram_addr, buf, sizeof(buf)); - - iwl_print_hex_error(trans, buf, sizeof(buf)); - - for (cnt = 0; cnt < FH_TCSR_CHNL_NUM; cnt++) - IWL_ERR(trans, "FH TRBs(%d) = 0x%08x\n", cnt, - iwl_read_direct32(trans, FH_TX_TRB_REG(cnt))); - - for (cnt = 0; cnt < trans->cfg->base_params->num_of_queues; cnt++) { - u32 status = iwl_read_prph(trans, SCD_QUEUE_STATUS_BITS(cnt)); - u8 fifo = (status >> SCD_QUEUE_STTS_REG_POS_TXF) & 0x7; - bool active = !!(status & BIT(SCD_QUEUE_STTS_REG_POS_ACTIVE)); - u32 tbl_dw = - iwl_trans_read_mem32(trans, trans_pcie->scd_base_addr + - SCD_TRANS_TBL_OFFSET_QUEUE(cnt)); - - if (cnt & 0x1) - tbl_dw = (tbl_dw & 0xFFFF0000) >> 16; - else - tbl_dw = tbl_dw & 0x0000FFFF; - - IWL_ERR(trans, - "Q %d is %sactive and mapped to fifo %d ra_tid 0x%04x [%d,%d]\n", - cnt, active ? "" : "in", fifo, tbl_dw, - iwl_read_prph(trans, SCD_QUEUE_RDPTR(cnt)) & - (TFD_QUEUE_SIZE_MAX - 1), - iwl_read_prph(trans, SCD_QUEUE_WRPTR(cnt))); - } + if (ret) + iwl_trans_pcie_log_scd_error(trans, txq); return ret; } @@ -2736,6 +2788,8 @@ static const struct iwl_trans_ops trans_ops_pcie = { .txq_disable = iwl_trans_pcie_txq_disable, .txq_enable = iwl_trans_pcie_txq_enable, + .txq_set_shared_mode = iwl_trans_pcie_txq_set_shared_mode, + .wait_tx_queue_empty = iwl_trans_pcie_wait_txq_empty, .freeze_txq_timer = iwl_trans_pcie_freeze_txq_timer, .block_txq_ptrs = iwl_trans_pcie_block_txq_ptrs, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index d6beac9af..18650dccd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -70,6 +70,7 @@ * Tx queue resumed. * ***************************************************/ + static int iwl_queue_space(const struct iwl_queue *q) { unsigned int max; @@ -154,10 +155,6 @@ static void iwl_pcie_txq_stuck_timer(unsigned long data) struct iwl_txq *txq = (void *)data; struct iwl_trans_pcie *trans_pcie = txq->trans_pcie; struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie); - u32 scd_sram_addr = trans_pcie->scd_base_addr + - SCD_TX_STTS_QUEUE_OFFSET(txq->q.id); - u8 buf[16]; - int i; spin_lock(&txq->lock); /* check if triggered erroneously */ @@ -169,38 +166,8 @@ static void iwl_pcie_txq_stuck_timer(unsigned long data) IWL_ERR(trans, "Queue %d stuck for %u ms.\n", txq->q.id, jiffies_to_msecs(txq->wd_timeout)); - IWL_ERR(trans, "Current SW read_ptr %d write_ptr %d\n", - txq->q.read_ptr, txq->q.write_ptr); - - iwl_trans_read_mem_bytes(trans, scd_sram_addr, buf, sizeof(buf)); - - iwl_print_hex_error(trans, buf, sizeof(buf)); - - for (i = 0; i < FH_TCSR_CHNL_NUM; i++) - IWL_ERR(trans, "FH TRBs(%d) = 0x%08x\n", i, - iwl_read_direct32(trans, FH_TX_TRB_REG(i))); - - for (i = 0; i < trans->cfg->base_params->num_of_queues; i++) { - u32 status = iwl_read_prph(trans, SCD_QUEUE_STATUS_BITS(i)); - u8 fifo = (status >> SCD_QUEUE_STTS_REG_POS_TXF) & 0x7; - bool active = !!(status & BIT(SCD_QUEUE_STTS_REG_POS_ACTIVE)); - u32 tbl_dw = - iwl_trans_read_mem32(trans, - trans_pcie->scd_base_addr + - SCD_TRANS_TBL_OFFSET_QUEUE(i)); - - if (i & 0x1) - tbl_dw = (tbl_dw & 0xFFFF0000) >> 16; - else - tbl_dw = tbl_dw & 0x0000FFFF; - IWL_ERR(trans, - "Q %d is %sactive and mapped to fifo %d ra_tid 0x%04x [%d,%d]\n", - i, active ? "" : "in", fifo, tbl_dw, - iwl_read_prph(trans, SCD_QUEUE_RDPTR(i)) & - (TFD_QUEUE_SIZE_MAX - 1), - iwl_read_prph(trans, SCD_QUEUE_WRPTR(i))); - } + iwl_trans_pcie_log_scd_error(trans, txq); iwl_force_nmi(trans); } @@ -393,7 +360,7 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans, return; } - /* first TB is never freed - it's the scratchbuf data */ + /* first TB is never freed - it's the bidirectional DMA data */ for (i = 1; i < num_tbs; i++) { if (meta->flags & BIT(i + CMD_TB_BITMAP_POS)) @@ -491,7 +458,7 @@ static int iwl_pcie_txq_alloc(struct iwl_trans *trans, { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); size_t tfd_sz = sizeof(struct iwl_tfd) * TFD_QUEUE_SIZE_MAX; - size_t scratchbuf_sz; + size_t tb0_buf_sz; int i; if (WARN_ON(txq->entries || txq->tfds)) @@ -526,17 +493,14 @@ static int iwl_pcie_txq_alloc(struct iwl_trans *trans, if (!txq->tfds) goto error; - BUILD_BUG_ON(IWL_HCMD_SCRATCHBUF_SIZE != sizeof(*txq->scratchbufs)); - BUILD_BUG_ON(offsetof(struct iwl_pcie_txq_scratch_buf, scratch) != - sizeof(struct iwl_cmd_header) + - offsetof(struct iwl_tx_cmd, scratch)); + BUILD_BUG_ON(IWL_FIRST_TB_SIZE_ALIGN != sizeof(*txq->first_tb_bufs)); - scratchbuf_sz = sizeof(*txq->scratchbufs) * slots_num; + tb0_buf_sz = sizeof(*txq->first_tb_bufs) * slots_num; - txq->scratchbufs = dma_alloc_coherent(trans->dev, scratchbuf_sz, - &txq->scratchbufs_dma, + txq->first_tb_bufs = dma_alloc_coherent(trans->dev, tb0_buf_sz, + &txq->first_tb_dma, GFP_KERNEL); - if (!txq->scratchbufs) + if (!txq->first_tb_bufs) goto err_free_tfds; txq->q.id = txq_id; @@ -578,22 +542,27 @@ static int iwl_pcie_txq_init(struct iwl_trans *trans, struct iwl_txq *txq, * Tell nic where to find circular buffer of Tx Frame Descriptors for * given Tx queue, and enable the DMA channel used for that queue. * Circular buffer (TFD queue in DRAM) physical base address */ - iwl_write_direct32(trans, FH_MEM_CBBC_QUEUE(txq_id), - txq->q.dma_addr >> 8); + if (trans->cfg->use_tfh) + iwl_write_direct64(trans, + FH_MEM_CBBC_QUEUE(trans, txq_id), + txq->q.dma_addr); + else + iwl_write_direct32(trans, FH_MEM_CBBC_QUEUE(trans, txq_id), + txq->q.dma_addr >> 8); return 0; } -static void iwl_pcie_free_tso_page(struct sk_buff *skb) +static void iwl_pcie_free_tso_page(struct iwl_trans_pcie *trans_pcie, + struct sk_buff *skb) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct page **page_ptr; - if (info->driver_data[IWL_TRANS_FIRST_DRIVER_DATA]) { - struct page *page = - info->driver_data[IWL_TRANS_FIRST_DRIVER_DATA]; + page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs); - __free_page(page); - info->driver_data[IWL_TRANS_FIRST_DRIVER_DATA] = NULL; + if (*page_ptr) { + __free_page(*page_ptr); + *page_ptr = NULL; } } @@ -639,7 +608,7 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id) if (WARN_ON_ONCE(!skb)) continue; - iwl_pcie_free_tso_page(skb); + iwl_pcie_free_tso_page(trans_pcie, skb); } iwl_pcie_txq_free_tfd(trans, txq); q->read_ptr = iwl_queue_inc_wrap(q->read_ptr); @@ -708,8 +677,8 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id) txq->tfds = NULL; dma_free_coherent(dev, - sizeof(*txq->scratchbufs) * txq->q.n_window, - txq->scratchbufs, txq->scratchbufs_dma); + sizeof(*txq->first_tb_bufs) * txq->q.n_window, + txq->first_tb_bufs, txq->first_tb_dma); } kfree(txq->entries); @@ -786,9 +755,14 @@ void iwl_trans_pcie_tx_reset(struct iwl_trans *trans) for (txq_id = 0; txq_id < trans->cfg->base_params->num_of_queues; txq_id++) { struct iwl_txq *txq = &trans_pcie->txq[txq_id]; - - iwl_write_direct32(trans, FH_MEM_CBBC_QUEUE(txq_id), - txq->q.dma_addr >> 8); + if (trans->cfg->use_tfh) + iwl_write_direct64(trans, + FH_MEM_CBBC_QUEUE(trans, txq_id), + txq->q.dma_addr); + else + iwl_write_direct32(trans, + FH_MEM_CBBC_QUEUE(trans, txq_id), + txq->q.dma_addr >> 8); iwl_pcie_txq_unmap(trans, txq_id); txq->q.read_ptr = 0; txq->q.write_ptr = 0; @@ -996,6 +970,12 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) } } + if (trans->cfg->use_tfh) + iwl_write_direct32(trans, TFH_TRANSFER_MODE, + TFH_TRANSFER_MAX_PENDING_REQ | + TFH_CHUNK_SIZE_128 | + TFH_CHUNK_SPLIT_MODE); + 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, @@ -1084,7 +1064,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, if (WARN_ON_ONCE(!skb)) continue; - iwl_pcie_free_tso_page(skb); + iwl_pcie_free_tso_page(trans_pcie, skb); __skb_queue_tail(skbs, skb); @@ -1115,17 +1095,17 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, while (!skb_queue_empty(&overflow_skbs)) { struct sk_buff *skb = __skb_dequeue(&overflow_skbs); - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - u8 dev_cmd_idx = IWL_TRANS_FIRST_DRIVER_DATA + 1; - struct iwl_device_cmd *dev_cmd = - info->driver_data[dev_cmd_idx]; + struct iwl_device_cmd *dev_cmd_ptr; + + dev_cmd_ptr = *(void **)((u8 *)skb->cb + + trans_pcie->dev_cmd_offs); /* * Note that we can very well be overflowing again. * In that case, iwl_queue_space will be small again * and we won't wake mac80211's queue. */ - iwl_trans_pcie_tx(trans, skb, dev_cmd, txq_id); + iwl_trans_pcie_tx(trans, skb, dev_cmd_ptr, txq_id); } spin_lock_bh(&txq->lock); @@ -1354,6 +1334,15 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn, txq->active = true; } +void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id, + bool shared_mode) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_txq *txq = &trans_pcie->txq[txq_id]; + + txq->ampdu = !shared_mode; +} + void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id, bool configure_scd) { @@ -1413,7 +1402,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, void *dup_buf = NULL; dma_addr_t phys_addr; int idx; - u16 copy_size, cmd_size, scratch_size; + u16 copy_size, cmd_size, tb0_size; bool had_nocopy = false; u8 group_id = iwl_cmd_groupid(cmd->id); int i, ret; @@ -1444,9 +1433,9 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, if (!cmd->len[i]) continue; - /* need at least IWL_HCMD_SCRATCHBUF_SIZE copied */ - if (copy_size < IWL_HCMD_SCRATCHBUF_SIZE) { - int copy = IWL_HCMD_SCRATCHBUF_SIZE - copy_size; + /* need at least IWL_FIRST_TB_SIZE copied */ + if (copy_size < IWL_FIRST_TB_SIZE) { + int copy = IWL_FIRST_TB_SIZE - copy_size; if (copy > cmdlen[i]) copy = cmdlen[i]; @@ -1567,8 +1556,8 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, } /* - * Otherwise we need at least IWL_HCMD_SCRATCHBUF_SIZE copied - * in total (for the scratchbuf handling), but copy up to what + * Otherwise we need at least IWL_FIRST_TB_SIZE copied + * in total (for bi-directional DMA), but copy up to what * we can fit into the payload for debug dump purposes. */ copy = min_t(int, TFD_MAX_PAYLOAD_SIZE - cmd_pos, cmd->len[i]); @@ -1577,8 +1566,8 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, cmd_pos += copy; /* However, treat copy_size the proper way, we need it below */ - if (copy_size < IWL_HCMD_SCRATCHBUF_SIZE) { - copy = IWL_HCMD_SCRATCHBUF_SIZE - copy_size; + if (copy_size < IWL_FIRST_TB_SIZE) { + copy = IWL_FIRST_TB_SIZE - copy_size; if (copy > cmd->len[i]) copy = cmd->len[i]; @@ -1593,18 +1582,18 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, le16_to_cpu(out_cmd->hdr.sequence), cmd_size, q->write_ptr, idx, trans_pcie->cmd_queue); - /* start the TFD with the scratchbuf */ - scratch_size = min_t(int, copy_size, IWL_HCMD_SCRATCHBUF_SIZE); - memcpy(&txq->scratchbufs[q->write_ptr], &out_cmd->hdr, scratch_size); + /* start the TFD with the minimum copy bytes */ + tb0_size = min_t(int, copy_size, IWL_FIRST_TB_SIZE); + memcpy(&txq->first_tb_bufs[idx], &out_cmd->hdr, tb0_size); iwl_pcie_txq_build_tfd(trans, txq, - iwl_pcie_get_scratchbuf_dma(txq, q->write_ptr), - scratch_size, true); + iwl_pcie_get_first_tb_dma(txq, idx), + tb0_size, true); /* map first command fragment, if any remains */ - if (copy_size > scratch_size) { + if (copy_size > tb0_size) { phys_addr = dma_map_single(trans->dev, - ((u8 *)&out_cmd->hdr) + scratch_size, - copy_size - scratch_size, + ((u8 *)&out_cmd->hdr) + tb0_size, + copy_size - tb0_size, DMA_TO_DEVICE); if (dma_mapping_error(trans->dev, phys_addr)) { iwl_pcie_tfd_unmap(trans, out_meta, @@ -1614,7 +1603,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, } iwl_pcie_txq_build_tfd(trans, txq, phys_addr, - copy_size - scratch_size, false); + copy_size - tb0_size, false); } /* map the remaining (adjusted) nocopy/dup fragments */ @@ -1959,7 +1948,7 @@ static int iwl_fill_data_tbs(struct iwl_trans *trans, struct sk_buff *skb, trace_iwlwifi_dev_tx(trans->dev, skb, &txq->tfds[txq->q.write_ptr], sizeof(struct iwl_tfd), - &dev_cmd->hdr, IWL_HCMD_SCRATCHBUF_SIZE + tb1_len, + &dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, skb->data + hdr_len, tb2_len); trace_iwlwifi_dev_tx_data(trans->dev, skb, hdr_len, skb->len - hdr_len); @@ -2015,7 +2004,6 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb, struct iwl_cmd_meta *out_meta, struct iwl_device_cmd *dev_cmd, u16 tb1_len) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_trans_pcie *trans_pcie = txq->trans_pcie; struct ieee80211_hdr *hdr = (void *)skb->data; unsigned int snap_ip_tcp_hdrlen, ip_hdrlen, total_len, hdr_room; @@ -2024,6 +2012,7 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb, u16 length, iv_len, amsdu_pad; u8 *start_hdr; struct iwl_tso_hdr_page *hdr_page; + struct page **page_ptr; int ret; struct tso_t tso; @@ -2035,7 +2024,7 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb, trace_iwlwifi_dev_tx(trans->dev, skb, &txq->tfds[txq->q.write_ptr], sizeof(struct iwl_tfd), - &dev_cmd->hdr, IWL_HCMD_SCRATCHBUF_SIZE + tb1_len, + &dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, NULL, 0); ip_hdrlen = skb_transport_header(skb) - skb_network_header(skb); @@ -2054,7 +2043,8 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb, get_page(hdr_page->page); start_hdr = hdr_page->pos; - info->driver_data[IWL_TRANS_FIRST_DRIVER_DATA] = hdr_page->page; + page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs); + *page_ptr = hdr_page->page; memcpy(hdr_page->pos, skb->data + hdr_len, iv_len); hdr_page->pos += iv_len; @@ -2264,10 +2254,12 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, /* don't put the packet on the ring, if there is no room */ if (unlikely(iwl_queue_space(q) < 3)) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct iwl_device_cmd **dev_cmd_ptr; + + dev_cmd_ptr = (void *)((u8 *)skb->cb + + trans_pcie->dev_cmd_offs); - info->driver_data[IWL_TRANS_FIRST_DRIVER_DATA + 1] = - dev_cmd; + *dev_cmd_ptr = dev_cmd; __skb_queue_tail(&txq->overflow_q, skb); spin_unlock(&txq->lock); @@ -2294,7 +2286,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, cpu_to_le16((u16)(QUEUE_TO_SEQ(txq_id) | INDEX_TO_SEQ(q->write_ptr))); - tb0_phys = iwl_pcie_get_scratchbuf_dma(txq, q->write_ptr); + tb0_phys = iwl_pcie_get_first_tb_dma(txq, q->write_ptr); scratch_phys = tb0_phys + sizeof(struct iwl_cmd_header) + offsetof(struct iwl_tx_cmd, scratch); @@ -2312,7 +2304,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, * setup of the first TB) */ len = sizeof(struct iwl_tx_cmd) + sizeof(struct iwl_cmd_header) + - hdr_len - IWL_HCMD_SCRATCHBUF_SIZE; + hdr_len - IWL_FIRST_TB_SIZE; /* do not align A-MSDU to dword as the subframe header aligns it */ amsdu = ieee80211_is_data_qos(fc) && (*ieee80211_get_qos_ctl(hdr) & @@ -2326,17 +2318,17 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, tb1_len = len; } - /* The first TB points to the scratchbuf data - min_copy bytes */ - memcpy(&txq->scratchbufs[q->write_ptr], &dev_cmd->hdr, - IWL_HCMD_SCRATCHBUF_SIZE); + /* The first TB points to bi-directional DMA data */ + memcpy(&txq->first_tb_bufs[q->write_ptr], &dev_cmd->hdr, + IWL_FIRST_TB_SIZE); iwl_pcie_txq_build_tfd(trans, txq, tb0_phys, - IWL_HCMD_SCRATCHBUF_SIZE, true); + IWL_FIRST_TB_SIZE, true); /* there must be data left over for TB1 or this code must be changed */ - BUILD_BUG_ON(sizeof(struct iwl_tx_cmd) < IWL_HCMD_SCRATCHBUF_SIZE); + BUILD_BUG_ON(sizeof(struct iwl_tx_cmd) < IWL_FIRST_TB_SIZE); /* map the data for TB1 */ - tb1_addr = ((u8 *)&dev_cmd->hdr) + IWL_HCMD_SCRATCHBUF_SIZE; + tb1_addr = ((u8 *)&dev_cmd->hdr) + IWL_FIRST_TB_SIZE; tb1_phys = dma_map_single(trans->dev, tb1_addr, tb1_len, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(trans->dev, tb1_phys))) goto out_err; |