diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 374 |
1 files changed, 168 insertions, 206 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index a7264b282d79..d1619a229d8f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -1,14 +1,10 @@ // SPDX-License-Identifier: GPL-2.0-only /****************************************************************************** * - * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation. All rights reserved. + * Copyright(c) 2005 - 2014, 2018 - 2023 Intel Corporation. All rights reserved. + * Copyright(c) 2025 Intel Corporation * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH * Copyright(c) 2016 - 2017 Intel Deutschland GmbH - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * *****************************************************************************/ #include <linux/kernel.h> #include <linux/skbuff.h> @@ -140,10 +136,10 @@ static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct rs_rate *rate, const struct rs_tx_column *next_col) { - if (!sta->ht_cap.ht_supported) + if (!sta->deflink.ht_cap.ht_supported) return false; - if (sta->smps_mode == IEEE80211_SMPS_STATIC) + if (sta->deflink.smps_mode == IEEE80211_SMPS_STATIC) return false; if (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) < 2) @@ -162,7 +158,7 @@ static bool rs_siso_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct rs_rate *rate, const struct rs_tx_column *next_col) { - if (!sta->ht_cap.ht_supported) + if (!sta->deflink.ht_cap.ht_supported) return false; return true; @@ -172,8 +168,8 @@ static bool rs_sgi_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct rs_rate *rate, const struct rs_tx_column *next_col) { - struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; - struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; + struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; + struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; if (is_ht20(rate) && (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)) @@ -335,15 +331,15 @@ static const struct rs_tx_column rs_tx_columns[] = { static inline u8 rs_extract_rate(u32 rate_n_flags) { /* also works for HT because bits 7:6 are zero there */ - return (u8)(rate_n_flags & RATE_LEGACY_RATE_MSK); + return (u8)(rate_n_flags & RATE_LEGACY_RATE_MSK_V1); } static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) { int idx = 0; - if (rate_n_flags & RATE_MCS_HT_MSK) { - idx = rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK; + if (rate_n_flags & RATE_MCS_HT_MSK_V1) { + idx = rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK_V1; idx += IWL_RATE_MCS_0_INDEX; /* skip 9M not supported in HT*/ @@ -351,8 +347,8 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) idx += 1; if ((idx >= IWL_FIRST_HT_RATE) && (idx <= IWL_LAST_HT_RATE)) return idx; - } else if (rate_n_flags & RATE_MCS_VHT_MSK || - rate_n_flags & RATE_MCS_HE_MSK) { + } else if (rate_n_flags & RATE_MCS_VHT_MSK_V1 || + rate_n_flags & RATE_MCS_HE_MSK_V1) { idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; idx += IWL_RATE_MCS_0_INDEX; @@ -361,8 +357,8 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags) idx++; if ((idx >= IWL_FIRST_VHT_RATE) && (idx <= IWL_LAST_VHT_RATE)) return idx; - if ((rate_n_flags & RATE_MCS_HE_MSK) && - (idx <= IWL_LAST_HE_RATE)) + if ((rate_n_flags & RATE_MCS_HE_MSK_V1) && + idx <= IWL_LAST_HE_RATE) return idx; } else { /* legacy rate format, search for match in table */ @@ -386,7 +382,7 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, const struct rs_rate *initial_rate); static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search); -/** +/* * The following tables contain the expected throughput metrics for all rates * * 1, 2, 5.5, 11, 6, 9, 12, 18, 24, 36, 48, 54, 60 MBits @@ -396,7 +392,6 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search); * CCK rates are only valid in legacy table and will only be used in G * (2.4 GHz) band. */ - static const u16 expected_tpt_legacy[IWL_RATE_COUNT] = { 7, 13, 35, 58, 40, 57, 72, 98, 121, 154, 177, 186, 0, 0, 0 }; @@ -460,44 +455,6 @@ static const u16 expected_tpt_mimo2_160MHz[4][IWL_RATE_COUNT] = { {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"}, - { "2", "QPSK DSSS"}, - {"5.5", "BPSK CCK"}, - { "11", "QPSK CCK"}, - { "6", "BPSK 1/2"}, - { "9", "BPSK 1/2"}, - { "12", "QPSK 1/2"}, - { "18", "QPSK 3/4"}, - { "24", "16QAM 1/2"}, - { "36", "16QAM 3/4"}, - { "48", "64QAM 2/3"}, - { "54", "64QAM 3/4"}, - { "60", "64QAM 5/6"}, -}; - -#define MCS_INDEX_PER_STREAM (8) - -static const char *rs_pretty_ant(u8 ant) -{ - static const char * const ant_name[] = { - [ANT_NONE] = "None", - [ANT_A] = "A", - [ANT_B] = "B", - [ANT_AB] = "AB", - [ANT_C] = "C", - [ANT_AC] = "AC", - [ANT_BC] = "BC", - [ANT_ABC] = "ABC", - }; - - if (ant > ANT_ABC) - return "UNKNOWN"; - - return ant_name[ant]; -} - static const char *rs_pretty_lq_type(enum iwl_table_type type) { static const char * const lq_types[] = { @@ -556,10 +513,10 @@ static char *rs_pretty_rate(const struct rs_rate *rate) (rate->index <= IWL_RATE_MCS_9_INDEX)) rate_str = ht_vht_rates[rate->index]; else - rate_str = "BAD_RATE"; + rate_str = NULL; sprintf(buf, "(%s|%s|%s)", rs_pretty_lq_type(rate->type), - rs_pretty_ant(rate->ant), rate_str); + iwl_rs_pretty_ant(rate->ant), rate_str ?: "BAD_RATE"); return buf; } @@ -603,7 +560,7 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_mvm *mvm, struct iwl_lq_sta *lq_data, u8 tid, struct ieee80211_sta *sta) { - int ret = -EAGAIN; + int ret; IWL_DEBUG_HT(mvm, "Starting Tx agg: STA: %pM tid: %d\n", sta->addr, tid); @@ -655,8 +612,7 @@ static void rs_tl_turn_on_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, static inline int get_num_of_ant_from_rate(u32 rate_n_flags) { return !!(rate_n_flags & RATE_MCS_ANT_A_MSK) + - !!(rate_n_flags & RATE_MCS_ANT_B_MSK) + - !!(rate_n_flags & RATE_MCS_ANT_C_MSK); + !!(rate_n_flags & RATE_MCS_ANT_B_MSK); } /* @@ -670,7 +626,7 @@ static s32 get_expected_tpt(struct iwl_scale_tbl_info *tbl, int rs_index) return 0; } -/** +/* * rs_collect_tx_data - Update the success/failure sliding window * * We keep a sliding window of the last 62 packets transmitted @@ -799,7 +755,7 @@ static int rs_collect_tlc_data(struct iwl_mvm *mvm, return -EINVAL; if (tbl->column != RS_COLUMN_INVALID) { - struct lq_sta_pers *pers = &mvmsta->lq_sta.rs_drv.pers; + struct lq_sta_pers *pers = &mvmsta->deflink.lq_sta.rs_drv.pers; pers->tx_stats[tbl->column][scale_index].total += attempts; pers->tx_stats[tbl->column][scale_index].success += successes; @@ -821,21 +777,27 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm, int index = rate->index; ucode_rate |= ((rate->ant << RATE_MCS_ANT_POS) & - RATE_MCS_ANT_ABC_MSK); + RATE_MCS_ANT_AB_MSK); if (is_legacy(rate)) { ucode_rate |= iwl_rates[index].plcp; if (index >= IWL_FIRST_CCK_RATE && index <= IWL_LAST_CCK_RATE) - ucode_rate |= RATE_MCS_CCK_MSK; + ucode_rate |= RATE_MCS_CCK_MSK_V1; return ucode_rate; } + /* set RTS protection for all non legacy rates + * This helps with congested environments reducing the conflict cost to + * RTS retries only, instead of the entire BA packet. + */ + ucode_rate |= RATE_MCS_RTS_REQUIRED_MSK; + if (is_ht(rate)) { if (index < IWL_FIRST_HT_RATE || index > IWL_LAST_HT_RATE) { IWL_ERR(mvm, "Invalid HT rate index %d\n", index); index = IWL_LAST_HT_RATE; } - ucode_rate |= RATE_MCS_HT_MSK; + ucode_rate |= RATE_MCS_HT_MSK_V1; if (is_ht_siso(rate)) ucode_rate |= iwl_rates[index].plcp_ht_siso; @@ -848,7 +810,7 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm, IWL_ERR(mvm, "Invalid VHT rate index %d\n", index); index = IWL_LAST_VHT_RATE; } - ucode_rate |= RATE_MCS_VHT_MSK; + ucode_rate |= RATE_MCS_VHT_MSK_V1; if (is_vht_siso(rate)) ucode_rate |= iwl_rates[index].plcp_vht_siso; else if (is_vht_mimo2(rate)) @@ -868,9 +830,9 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm, ucode_rate |= rate->bw; if (rate->sgi) - ucode_rate |= RATE_MCS_SGI_MSK; + ucode_rate |= RATE_MCS_SGI_MSK_V1; if (rate->ldpc) - ucode_rate |= RATE_MCS_LDPC_MSK; + ucode_rate |= RATE_MCS_LDPC_MSK_V1; return ucode_rate; } @@ -880,7 +842,7 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, enum nl80211_band band, struct rs_rate *rate) { - u32 ant_msk = ucode_rate & RATE_MCS_ANT_ABC_MSK; + u32 ant_msk = ucode_rate & RATE_MCS_ANT_AB_MSK; u8 num_of_ant = get_num_of_ant_from_rate(ucode_rate); u8 nss; @@ -893,9 +855,9 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, rate->ant = (ant_msk >> RATE_MCS_ANT_POS); /* Legacy */ - if (!(ucode_rate & RATE_MCS_HT_MSK) && - !(ucode_rate & RATE_MCS_VHT_MSK) && - !(ucode_rate & RATE_MCS_HE_MSK)) { + if (!(ucode_rate & RATE_MCS_HT_MSK_V1) && + !(ucode_rate & RATE_MCS_VHT_MSK_V1) && + !(ucode_rate & RATE_MCS_HE_MSK_V1)) { if (num_of_ant == 1) { if (band == NL80211_BAND_5GHZ) rate->type = LQ_LEGACY_A; @@ -907,20 +869,20 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, } /* HT, VHT or HE */ - if (ucode_rate & RATE_MCS_SGI_MSK) + if (ucode_rate & RATE_MCS_SGI_MSK_V1) rate->sgi = true; - if (ucode_rate & RATE_MCS_LDPC_MSK) + if (ucode_rate & RATE_MCS_LDPC_MSK_V1) rate->ldpc = true; if (ucode_rate & RATE_MCS_STBC_MSK) rate->stbc = true; if (ucode_rate & RATE_MCS_BF_MSK) rate->bfer = true; - rate->bw = ucode_rate & RATE_MCS_CHAN_WIDTH_MSK; + rate->bw = ucode_rate & RATE_MCS_CHAN_WIDTH_MSK_V1; - if (ucode_rate & RATE_MCS_HT_MSK) { - nss = ((ucode_rate & RATE_HT_MCS_NSS_MSK) >> - RATE_HT_MCS_NSS_POS) + 1; + if (ucode_rate & RATE_MCS_HT_MSK_V1) { + nss = ((ucode_rate & RATE_HT_MCS_NSS_MSK_V1) >> + RATE_HT_MCS_NSS_POS_V1) + 1; if (nss == 1) { rate->type = LQ_HT_SISO; @@ -933,9 +895,8 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, } else { WARN_ON_ONCE(1); } - } else if (ucode_rate & RATE_MCS_VHT_MSK) { - nss = ((ucode_rate & RATE_VHT_MCS_NSS_MSK) >> - RATE_VHT_MCS_NSS_POS) + 1; + } else if (ucode_rate & RATE_MCS_VHT_MSK_V1) { + nss = FIELD_GET(RATE_VHT_MCS_NSS_MSK, ucode_rate) + 1; if (nss == 1) { rate->type = LQ_VHT_SISO; @@ -948,9 +909,8 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate, } else { WARN_ON_ONCE(1); } - } else if (ucode_rate & RATE_MCS_HE_MSK) { - nss = ((ucode_rate & RATE_VHT_MCS_NSS_MSK) >> - RATE_VHT_MCS_NSS_POS) + 1; + } else if (ucode_rate & RATE_MCS_HE_MSK_V1) { + nss = FIELD_GET(RATE_VHT_MCS_NSS_MSK, ucode_rate) + 1; if (nss == 1) { rate->type = LQ_HE_SISO; @@ -976,9 +936,6 @@ static int rs_toggle_antenna(u32 valid_ant, struct rs_rate *rate) { u8 new_ant_type; - if (!rate->ant || WARN_ON_ONCE(rate->ant & ANT_C)) - return 0; - if (!rs_is_valid_ant(valid_ant, rate->ant)) return 0; @@ -1114,10 +1071,13 @@ static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta, rate->bw = RATE_MCS_CHAN_WIDTH_20; - WARN_ON_ONCE(rate->index < IWL_RATE_MCS_0_INDEX || - rate->index > IWL_RATE_MCS_9_INDEX); + if (WARN_ON_ONCE(rate->index < IWL_RATE_MCS_0_INDEX)) + rate->index = rs_ht_to_legacy[IWL_RATE_MCS_0_INDEX]; + else if (WARN_ON_ONCE(rate->index > IWL_RATE_MCS_9_INDEX)) + rate->index = rs_ht_to_legacy[IWL_RATE_MCS_9_INDEX]; + else + rate->index = rs_ht_to_legacy[rate->index]; - rate->index = rs_ht_to_legacy[rate->index]; rate->ldpc = false; } else { /* Downgrade to SISO with same MCS if in MIMO */ @@ -1411,13 +1371,13 @@ static s32 rs_get_best_rate(struct iwl_mvm *mvm, static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta) { - struct ieee80211_sta_vht_cap *sta_vht_cap = &sta->vht_cap; + struct ieee80211_sta_vht_cap *sta_vht_cap = &sta->deflink.vht_cap; struct ieee80211_vht_cap vht_cap = { .vht_cap_info = cpu_to_le32(sta_vht_cap->cap), .supp_mcs = sta_vht_cap->vht_mcs, }; - switch (sta->bandwidth) { + switch (sta->deflink.bandwidth) { case IEEE80211_STA_RX_BW_160: /* * Don't use 160 MHz if VHT extended NSS support @@ -1430,7 +1390,7 @@ static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta) if (ieee80211_get_vht_max_nss(&vht_cap, IEEE80211_VHT_CHANWIDTH_160MHZ, 0, true, - sta->rx_nss) < sta->rx_nss) + sta->deflink.rx_nss) < sta->deflink.rx_nss) return RATE_MCS_CHAN_WIDTH_80; return RATE_MCS_CHAN_WIDTH_160; case IEEE80211_STA_RX_BW_80: @@ -1531,9 +1491,11 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum rs_action scale_action) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct ieee80211_bss_conf *bss_conf = &mvmsta->vif->bss_conf; int i; - sta->max_amsdu_len = rs_fw_get_max_amsdu_len(sta); + sta->deflink.agg.max_amsdu_len = + rs_fw_get_max_amsdu_len(sta, bss_conf, &sta->deflink); /* * In case TLC offload is not active amsdu_enabled is either 0xFFFF @@ -1546,24 +1508,25 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta, else mvmsta->amsdu_enabled = 0xFFFF; - if (mvmsta->vif->bss_conf.he_support && + if (bss_conf->he_support && !iwlwifi_mod_params.disable_11ax) - mvmsta->max_amsdu_len = sta->max_amsdu_len; + mvmsta->max_amsdu_len = sta->deflink.agg.max_amsdu_len; else - mvmsta->max_amsdu_len = min_t(int, sta->max_amsdu_len, 8500); + mvmsta->max_amsdu_len = + min_t(int, sta->deflink.agg.max_amsdu_len, 8500); - sta->max_rc_amsdu_len = mvmsta->max_amsdu_len; + sta->deflink.agg.max_rc_amsdu_len = mvmsta->max_amsdu_len; for (i = 0; i < IWL_MAX_TID_COUNT; i++) { if (mvmsta->amsdu_enabled) - sta->max_tid_amsdu_len[i] = + sta->deflink.agg.max_tid_amsdu_len[i] = iwl_mvm_max_amsdu_size(mvm, sta, i); else /* * Not so elegant, but this will effectively * prevent AMSDU on this TID */ - sta->max_tid_amsdu_len[i] = 1; + sta->deflink.agg.max_tid_amsdu_len[i] = 1; } } @@ -1821,7 +1784,7 @@ static enum rs_action rs_get_rate_action(struct iwl_mvm *mvm, if ((high_tpt != IWL_INVALID_VALUE) && (high_tpt > current_tpt)) { IWL_DEBUG_RATE(mvm, - "Higher rate is better. Increate rate\n"); + "Higher rate is better. Increase rate\n"); return RS_ACTION_UPSCALE; } @@ -1903,7 +1866,7 @@ static bool rs_tpc_allowed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, int index = rate->index; bool cam = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM); bool sta_ps_disabled = (vif->type == NL80211_IFTYPE_STATION && - !vif->bss_conf.ps); + !vif->cfg.ps); IWL_DEBUG_RATE(mvm, "cam: %d sta_ps_disabled %d\n", cam, sta_ps_disabled); @@ -1921,9 +1884,7 @@ static bool rs_tpc_allowed(struct iwl_mvm *mvm, struct ieee80211_vif *vif, if (is_ht(rate)) return index == IWL_RATE_MCS_7_INDEX; if (is_vht(rate)) - return index == IWL_RATE_MCS_7_INDEX || - index == IWL_RATE_MCS_8_INDEX || - index == IWL_RATE_MCS_9_INDEX; + return index == IWL_RATE_MCS_9_INDEX; WARN_ON_ONCE(1); return false; @@ -2024,7 +1985,7 @@ static bool rs_tpc_perform(struct iwl_mvm *mvm, #endif rcu_read_lock(); - chanctx_conf = rcu_dereference(vif->chanctx_conf); + chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); if (WARN_ON(!chanctx_conf)) band = NUM_NL80211_BANDS; else @@ -2549,7 +2510,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, } IWL_DEBUG_RATE(mvm, "Best ANT: %s Best RSSI: %d\n", - rs_pretty_ant(best_ant), best_rssi); + iwl_rs_pretty_ant(best_ant), best_rssi); if (best_ant != ANT_A && best_ant != ANT_B) rate->ant = first_antenna(valid_tx_ant); @@ -2581,7 +2542,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, * In case of VHT/HT when the rssi is low fallback to the case of * legacy rates. */ - if (sta->vht_cap.vht_supported && + if (sta->deflink.vht_cap.vht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { /* * In AP mode, when a new station associates, rs is initialized @@ -2607,14 +2568,15 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm, nentries = ARRAY_SIZE(rs_optimal_rates_vht_20mhz); break; default: - IWL_ERR(mvm, "Invalid BW %d\n", sta->bandwidth); + IWL_ERR(mvm, "Invalid BW %d\n", + sta->deflink.bandwidth); goto out; } active_rate = lq_sta->active_siso_rate; rate->type = LQ_VHT_SISO; rate->bw = bw; - } else if (sta->ht_cap.ht_supported && + } else if (sta->deflink.ht_cap.ht_supported && best_rssi > IWL_RS_LOW_RSSI_THRESHOLD) { initial_rates = rs_optimal_rates_ht; nentries = ARRAY_SIZE(rs_optimal_rates_ht); @@ -2643,13 +2605,12 @@ void rs_update_last_rssi(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, struct ieee80211_rx_status *rx_status) { - struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; + struct iwl_lq_sta *lq_sta = &mvmsta->deflink.lq_sta.rs_drv; int i; lq_sta->pers.chains = rx_status->chains; lq_sta->pers.chain_signal[0] = rx_status->chain_signal[0]; lq_sta->pers.chain_signal[1] = rx_status->chain_signal[1]; - lq_sta->pers.chain_signal[2] = rx_status->chain_signal[2]; lq_sta->pers.last_rssi = S8_MIN; for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) { @@ -2661,7 +2622,7 @@ void rs_update_last_rssi(struct iwl_mvm *mvm, } } -/** +/* * rs_initialize_lq - Initialize a station's hardware rate table * * The uCode's station table contains a table of fallback rates @@ -2727,7 +2688,6 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta, /* if vif isn't initialized mvm doesn't know about * this station, so don't do anything with the it */ - sta = NULL; mvm_sta = NULL; } @@ -2735,7 +2695,11 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta, return; lq_sta = mvm_sta; - iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags, + + spin_lock_bh(&lq_sta->pers.lock); + iwl_mvm_hwrate_to_tx_rate(iwl_mvm_v3_rate_from_fw( + cpu_to_le32(lq_sta->last_rate_n_flags), + 1), info->band, &info->control.rates[0]); info->control.rates[0].count = 1; @@ -2746,9 +2710,14 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta, optimal_rate = rs_get_optimal_rate(mvm, lq_sta); last_ucode_rate = ucode_rate_from_rs_rate(mvm, optimal_rate); + last_ucode_rate = + iwl_mvm_v3_rate_from_fw(cpu_to_le32(last_ucode_rate), + 1); iwl_mvm_hwrate_to_tx_rate(last_ucode_rate, info->band, &txrc->reported_rate); + txrc->reported_rate.count = 1; } + spin_unlock_bh(&lq_sta->pers.lock); } static void *rs_drv_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, @@ -2757,7 +2726,7 @@ static void *rs_drv_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_op_mode *op_mode = (struct iwl_op_mode *)mvm_rate; struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; + struct iwl_lq_sta *lq_sta = &mvmsta->deflink.lq_sta.rs_drv; IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); @@ -2806,14 +2775,14 @@ static void rs_vht_set_enabled_rates(struct ieee80211_sta *sta, /* VHT MCS9 isn't valid for 20Mhz for NSS=1,2 */ if (i == IWL_RATE_MCS_9_INDEX && - sta->bandwidth == IEEE80211_STA_RX_BW_20) + sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) continue; lq_sta->active_siso_rate |= BIT(i); } } - if (sta->rx_nss < 2) + if (sta->deflink.rx_nss < 2) return; highest_mcs = rs_vht_highest_rx_mcs_index(vht_cap, 2); @@ -2824,7 +2793,7 @@ static void rs_vht_set_enabled_rates(struct ieee80211_sta *sta, /* VHT MCS9 isn't valid for 20Mhz for NSS=1,2 */ if (i == IWL_RATE_MCS_9_INDEX && - sta->bandwidth == IEEE80211_STA_RX_BW_20) + sta->deflink.bandwidth == IEEE80211_STA_RX_BW_20) continue; lq_sta->active_mimo2_rate |= BIT(i); @@ -2851,11 +2820,11 @@ static void rs_ht_init(struct iwl_mvm *mvm, lq_sta->active_mimo2_rate &= ~((u16)0x2); lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE; - if (mvm->cfg->ht_params->ldpc && + if (mvm->cfg->ht_params.ldpc && (ht_cap->cap & IEEE80211_HT_CAP_LDPC_CODING)) lq_sta->ldpc = true; - if (mvm->cfg->ht_params->stbc && + if (mvm->cfg->ht_params.stbc && (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (ht_cap->cap & IEEE80211_HT_CAP_RX_STBC)) lq_sta->stbc_capable = true; @@ -2870,11 +2839,11 @@ static void rs_vht_init(struct iwl_mvm *mvm, { rs_vht_set_enabled_rates(sta, vht_cap, lq_sta); - if (mvm->cfg->ht_params->ldpc && + if (mvm->cfg->ht_params.ldpc && (vht_cap->cap & IEEE80211_VHT_CAP_RXLDPC)) lq_sta->ldpc = true; - if (mvm->cfg->ht_params->stbc && + if (mvm->cfg->ht_params.stbc && (num_of_ant(iwl_mvm_get_valid_tx_ant(mvm)) > 1) && (vht_cap->cap & IEEE80211_VHT_CAP_RXSTBC_MASK)) lq_sta->stbc_capable = true; @@ -2906,7 +2875,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg) mvm->drv_rx_stats.success_frames++; - switch (rate & RATE_MCS_CHAN_WIDTH_MSK) { + switch (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) { case RATE_MCS_CHAN_WIDTH_20: mvm->drv_rx_stats.bw_20_frames++; break; @@ -2923,13 +2892,12 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg) WARN_ONCE(1, "bad BW. rate 0x%x", rate); } - if (rate & RATE_MCS_HT_MSK) { + if (rate & RATE_MCS_HT_MSK_V1) { mvm->drv_rx_stats.ht_frames++; - nss = ((rate & RATE_HT_MCS_NSS_MSK) >> RATE_HT_MCS_NSS_POS) + 1; - } else if (rate & RATE_MCS_VHT_MSK) { + nss = FIELD_GET(RATE_HT_MCS_MIMO2_MSK, rate) + 1; + } else if (rate & RATE_MCS_VHT_MSK_V1) { mvm->drv_rx_stats.vht_frames++; - nss = ((rate & RATE_VHT_MCS_NSS_MSK) >> - RATE_VHT_MCS_NSS_POS) + 1; + nss = FIELD_GET(RATE_VHT_MCS_NSS_MSK, rate) + 1; } else { mvm->drv_rx_stats.legacy_frames++; } @@ -2939,7 +2907,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg) else if (nss == 2) mvm->drv_rx_stats.mimo2_frames++; - if (rate & RATE_MCS_SGI_MSK) + if (rate & RATE_MCS_SGI_MSK_V1) mvm->drv_rx_stats.sgi_frames++; else mvm->drv_rx_stats.ngi_frames++; @@ -2961,23 +2929,23 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, { int i, j; struct ieee80211_hw *hw = mvm->hw; - struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; - struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; + struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap; + struct ieee80211_sta_vht_cap *vht_cap = &sta->deflink.vht_cap; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; + struct iwl_lq_sta *lq_sta = &mvmsta->deflink.lq_sta.rs_drv; struct ieee80211_supported_band *sband; unsigned long supp; /* must be unsigned long for for_each_set_bit */ - lockdep_assert_held(&mvmsta->lq_sta.rs_drv.pers.lock); + lockdep_assert_held(&mvmsta->deflink.lq_sta.rs_drv.pers.lock); /* clear all non-persistent lq data */ memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers)); sband = hw->wiphy->bands[band]; - lq_sta->lq.sta_id = mvmsta->sta_id; + lq_sta->lq.sta_id = mvmsta->deflink.sta_id; mvmsta->amsdu_enabled = 0; - mvmsta->max_amsdu_len = sta->max_amsdu_len; + mvmsta->max_amsdu_len = sta->cur->max_amsdu_len; for (j = 0; j < LQ_SIZE; j++) rs_rate_scale_clear_tbl_windows(mvm, &lq_sta->lq_info[j]); @@ -2987,7 +2955,7 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, IWL_DEBUG_RATE(mvm, "LQ: *** rate scale station global init for station %d ***\n", - mvmsta->sta_id); + mvmsta->deflink.sta_id); /* TODO: what is a good starting rate for STA? About middle? Maybe not * the lowest or the highest rate.. Could consider using RSSI from * previous packets? Need to have IEEE 802.1X auth succeed immediately @@ -2998,7 +2966,7 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* * active legacy rates as per supported rates bitmap */ - supp = sta->supp_rates[sband->band]; + supp = sta->deflink.supp_rates[sband->band]; lq_sta->active_legacy_rate = 0; for_each_set_bit(i, &supp, BITS_PER_LONG) lq_sta->active_legacy_rate |= BIT(sband->bitrates[i].hw_value); @@ -3049,17 +3017,20 @@ static void rs_drv_rate_update(void *mvm_r, void *priv_sta, u32 changed) { struct iwl_op_mode *op_mode = mvm_r; + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); u8 tid; - if (!iwl_mvm_sta_from_mac80211(sta)->vif) + if (!mvmsta->vif) return; /* Stop any ongoing aggregations as rs starts off assuming no agg */ for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) ieee80211_stop_tx_ba_session(sta, tid); - iwl_mvm_rs_rate_init(mvm, sta, sband->band, true); + iwl_mvm_rs_rate_init(mvm, mvmsta->vif, sta, + &mvmsta->vif->bss_conf, &sta->deflink, + sband->band); } static void __iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, @@ -3079,7 +3050,7 @@ static void __iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info); u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta.rs_drv; + struct iwl_lq_sta *lq_sta = &mvmsta->deflink.lq_sta.rs_drv; if (!lq_sta->pers.drv) { IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); @@ -3291,7 +3262,7 @@ static void __iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, IWL_DEBUG_RATE(mvm, "reduced txpower: %d\n", reduced_txp); done: /* See if there's a better rate or modulation mode to try. */ - if (sta->supp_rates[info->band]) + if (sta->deflink.supp_rates[info->band]) rs_rate_scale_perform(mvm, sta, lq_sta, tid, ndp); } @@ -3303,11 +3274,11 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* If it's locked we are in middle of init flow * just wait for next tx status to update the lq_sta data */ - if (!spin_trylock(&mvmsta->lq_sta.rs_drv.pers.lock)) + if (!spin_trylock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock)) return; __iwl_mvm_rs_tx_status(mvm, sta, tid, info, ndp); - spin_unlock(&mvmsta->lq_sta.rs_drv.pers.lock); + spin_unlock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock); } #ifdef CONFIG_MAC80211_DEBUGFS @@ -3320,7 +3291,7 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm, int i; int num_rates = ARRAY_SIZE(lq_cmd->rs_table); __le32 ucode_rate_le32 = cpu_to_le32(ucode_rate); - u8 ant = (ucode_rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS; + u8 ant = (ucode_rate & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS; for (i = 0; i < num_rates; i++) lq_cmd->rs_table[i] = ucode_rate_le32; @@ -3340,7 +3311,7 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm, if (num_of_ant(ant) == 1) lq_cmd->single_stream_ant_msk = ant; - if (!mvm->trans->trans_cfg->gen2) + if (!mvm->trans->mac_cfg->gen2) lq_cmd->agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF; else lq_cmd->agg_frame_cnt_limit = @@ -3483,7 +3454,7 @@ static void rs_bfer_active_iter(void *_data, { struct rs_bfer_active_iter_data *data = _data; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - struct iwl_lq_cmd *lq_cmd = &mvmsta->lq_sta.rs_drv.lq; + struct iwl_lq_cmd *lq_cmd = &mvmsta->deflink.lq_sta.rs_drv.lq; u32 ss_params = le32_to_cpu(lq_cmd->ss_params); if (sta == data->exclude_sta) @@ -3514,7 +3485,8 @@ static int rs_bfer_priority(struct iwl_mvm_sta *sta) prio = 1; break; default: - WARN_ONCE(true, "viftype %d sta_id %d", viftype, sta->sta_id); + WARN_ONCE(true, "viftype %d sta_id %d", viftype, + sta->deflink.sta_id); prio = -1; } @@ -3591,12 +3563,12 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm, } IWL_DEBUG_RATE(mvm, "Found existing sta %d with BFER activated\n", - bfer_mvmsta->sta_id); + bfer_mvmsta->deflink.sta_id); /* Disallow BFER on another STA if active and we're a higher priority */ if (rs_bfer_priority_cmp(mvmsta, bfer_mvmsta) > 0) { struct iwl_lq_cmd *bfersta_lq_cmd = - &bfer_mvmsta->lq_sta.rs_drv.lq; + &bfer_mvmsta->deflink.lq_sta.rs_drv.lq; u32 bfersta_ss_params = le32_to_cpu(bfersta_lq_cmd->ss_params); bfersta_ss_params &= ~LQ_SS_BFER_ALLOWED; @@ -3606,7 +3578,7 @@ static void rs_set_lq_ss_params(struct iwl_mvm *mvm, ss_params |= LQ_SS_BFER_ALLOWED; IWL_DEBUG_RATE(mvm, "Lower priority BFER sta found (%d). Switch BFER\n", - bfer_mvmsta->sta_id); + bfer_mvmsta->deflink.sta_id); } out: lq_cmd->ss_params = cpu_to_le32(ss_params); @@ -3648,7 +3620,7 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, num_of_ant(initial_rate->ant) == 1) lq_cmd->single_stream_ant_msk = initial_rate->ant; - lq_cmd->agg_frame_cnt_limit = mvmsta->max_agg_bufsize; + lq_cmd->agg_frame_cnt_limit = lq_sta->pers.max_agg_bufsize; /* * In case of low latency, tell the firmware to leave a frame in the @@ -3685,72 +3657,54 @@ static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta) IWL_DEBUG_RATE(mvm, "leave\n"); } -int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate) +int rs_pretty_print_rate_v1(char *buf, int bufsz, const u32 rate) { - char *type, *bw; + char *type; u8 mcs = 0, nss = 0; - u8 ant = (rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS; + u8 ant = (rate & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS; + u32 bw = (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) >> + RATE_MCS_CHAN_WIDTH_POS; - if (!(rate & RATE_MCS_HT_MSK) && - !(rate & RATE_MCS_VHT_MSK) && - !(rate & RATE_MCS_HE_MSK)) { + if (!(rate & RATE_MCS_HT_MSK_V1) && + !(rate & RATE_MCS_VHT_MSK_V1) && + !(rate & RATE_MCS_HE_MSK_V1)) { int index = iwl_hwrate_to_plcp_idx(rate); return scnprintf(buf, bufsz, "Legacy | ANT: %s Rate: %s Mbps", - rs_pretty_ant(ant), + iwl_rs_pretty_ant(ant), index == IWL_RATE_INVALID ? "BAD" : - iwl_rate_mcs[index].mbps); + iwl_rate_mcs(index)->mbps); } - if (rate & RATE_MCS_VHT_MSK) { + if (rate & RATE_MCS_VHT_MSK_V1) { type = "VHT"; mcs = rate & RATE_VHT_MCS_RATE_CODE_MSK; - nss = ((rate & RATE_VHT_MCS_NSS_MSK) - >> RATE_VHT_MCS_NSS_POS) + 1; - } else if (rate & RATE_MCS_HT_MSK) { + nss = FIELD_GET(RATE_VHT_MCS_NSS_MSK, rate) + 1; + } else if (rate & RATE_MCS_HT_MSK_V1) { type = "HT"; - mcs = rate & RATE_HT_MCS_INDEX_MSK; - nss = ((rate & RATE_HT_MCS_NSS_MSK) - >> RATE_HT_MCS_NSS_POS) + 1; - } else if (rate & RATE_MCS_HE_MSK) { + mcs = rate & RATE_HT_MCS_INDEX_MSK_V1; + nss = FIELD_GET(RATE_HT_MCS_MIMO2_MSK, rate) + 1; + } else if (rate & RATE_MCS_HE_MSK_V1) { type = "HE"; mcs = rate & RATE_VHT_MCS_RATE_CODE_MSK; - nss = ((rate & RATE_VHT_MCS_NSS_MSK) - >> RATE_VHT_MCS_NSS_POS) + 1; + nss = FIELD_GET(RATE_VHT_MCS_NSS_MSK, rate) + 1; } else { type = "Unknown"; /* shouldn't happen */ } - switch (rate & RATE_MCS_CHAN_WIDTH_MSK) { - case RATE_MCS_CHAN_WIDTH_20: - bw = "20Mhz"; - break; - case RATE_MCS_CHAN_WIDTH_40: - bw = "40Mhz"; - break; - case RATE_MCS_CHAN_WIDTH_80: - bw = "80Mhz"; - break; - case RATE_MCS_CHAN_WIDTH_160: - bw = "160Mhz"; - break; - default: - bw = "BAD BW"; - } - return scnprintf(buf, bufsz, "0x%x: %s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s%s", - rate, type, rs_pretty_ant(ant), bw, mcs, nss, - (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ", + rate, type, iwl_rs_pretty_ant(ant), iwl_rs_pretty_bw(bw), mcs, nss, + (rate & RATE_MCS_SGI_MSK_V1) ? "SGI " : "NGI ", (rate & RATE_MCS_STBC_MSK) ? "STBC " : "", - (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "", + (rate & RATE_MCS_LDPC_MSK_V1) ? "LDPC " : "", (rate & RATE_HE_DUAL_CARRIER_MODE_MSK) ? "DCM " : "", (rate & RATE_MCS_BF_MSK) ? "BF " : ""); } #ifdef CONFIG_MAC80211_DEBUGFS -/** +/* * Program the device to use fixed rate for frame transmit * This is for debugging/testing only * once the device start use fixed rate, we need to reload the module @@ -3808,7 +3762,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, struct iwl_lq_sta *lq_sta = file->private_data; struct iwl_mvm_sta *mvmsta = - container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv); + container_of(lq_sta, struct iwl_mvm_sta, deflink.lq_sta.rs_drv); struct iwl_mvm *mvm; struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); struct rs_rate *rate = &tbl->rate; @@ -3827,10 +3781,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, lq_sta->active_legacy_rate); desc += scnprintf(buff + desc, bufsz - desc, "fixed rate 0x%X\n", lq_sta->pers.dbg_fixed_rate); - desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s%s\n", + desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s\n", (iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "", - (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "", - (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : ""); + (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : ""); desc += scnprintf(buff + desc, bufsz - desc, "lq type %s\n", (is_legacy(rate)) ? "legacy" : is_vht(rate) ? "VHT" : "HT"); @@ -3888,7 +3841,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, desc += scnprintf(buff + desc, bufsz - desc, " rate[%d] 0x%X ", i, r); - desc += rs_pretty_print_rate(buff + desc, bufsz - desc, r); + desc += rs_pretty_print_rate_v1(buff + desc, bufsz - desc, r); if (desc < bufsz - 1) buff[desc++] = '\n'; } @@ -4110,7 +4063,8 @@ static void rs_drv_add_sta_debugfs(void *mvm, void *priv_sta, struct iwl_lq_sta *lq_sta = priv_sta; struct iwl_mvm_sta *mvmsta; - mvmsta = container_of(lq_sta, struct iwl_mvm_sta, lq_sta.rs_drv); + mvmsta = container_of(lq_sta, struct iwl_mvm_sta, + deflink.lq_sta.rs_drv); if (!mvmsta->vif) return; @@ -4159,17 +4113,22 @@ static const struct rate_control_ops rs_mvm_ops_drv = { .capa = RATE_CTRL_CAPA_VHT_EXT_NSS_BW, }; -void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, - enum nl80211_band band, bool update) +void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_bss_conf *link_conf, + struct ieee80211_link_sta *link_sta, + enum nl80211_band band) { if (iwl_mvm_has_tlc_offload(mvm)) { - rs_fw_rate_init(mvm, sta, band, update); + iwl_mvm_rs_fw_rate_init(mvm, vif, sta, link_conf, + link_sta, band); } else { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - spin_lock(&mvmsta->lq_sta.rs_drv.pers.lock); + spin_lock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock); rs_drv_rate_init(mvm, sta, band); - spin_unlock(&mvmsta->lq_sta.rs_drv.pers.lock); + spin_unlock_bh(&mvmsta->deflink.lq_sta.rs_drv.pers.lock); } } @@ -4186,7 +4145,7 @@ void iwl_mvm_rate_control_unregister(void) static int rs_drv_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool enable) { - struct iwl_lq_cmd *lq = &mvmsta->lq_sta.rs_drv.lq; + struct iwl_lq_cmd *lq = &mvmsta->deflink.lq_sta.rs_drv.lq; lockdep_assert_held(&mvm->mutex); @@ -4205,8 +4164,11 @@ static int rs_drv_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, /** * iwl_mvm_tx_protection - ask FW to enable RTS/CTS protection + * @mvm: The mvm component * @mvmsta: The station * @enable: Enable Tx protection? + * + * Returns: an error code */ int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool enable) |