diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm')
30 files changed, 4132 insertions, 965 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/Makefile b/drivers/net/wireless/iwlwifi/mvm/Makefile index c30d7f64ec1e..a28235913c2c 100644 --- a/drivers/net/wireless/iwlwifi/mvm/Makefile +++ b/drivers/net/wireless/iwlwifi/mvm/Makefile @@ -2,7 +2,7 @@ obj-$(CONFIG_IWLMVM) += iwlmvm.o iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o iwlmvm-y += utils.o rx.o tx.o binding.o quota.o sta.o sf.o iwlmvm-y += scan.o time-event.o rs.o -iwlmvm-y += power.o coex.o +iwlmvm-y += power.o coex.o coex_legacy.o iwlmvm-y += tt.o offloading.o iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o iwlmvm-$(CONFIG_IWLWIFI_LEDS) += led.o diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c index c8c3b38228f0..2291bbcaaeab 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -70,57 +70,58 @@ #include "mvm.h" #include "iwl-debug.h" -#define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \ - [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \ - ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS)) - -static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1, - BT_COEX_PRIO_TBL_PRIO_BYPASS, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2, - BT_COEX_PRIO_TBL_PRIO_BYPASS, 1), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1, - BT_COEX_PRIO_TBL_PRIO_LOW, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2, - BT_COEX_PRIO_TBL_PRIO_LOW, 1), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1, - BT_COEX_PRIO_TBL_PRIO_HIGH, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2, - BT_COEX_PRIO_TBL_PRIO_HIGH, 1), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM, - BT_COEX_PRIO_TBL_DISABLED, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52, - BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24, - BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0), - EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE, - BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0), - 0, 0, 0, 0, 0, 0, -}; - -#undef EVENT_PRIO_ANT - -#define BT_ENABLE_REDUCED_TXPOWER_THRESHOLD (-62) -#define BT_DISABLE_REDUCED_TXPOWER_THRESHOLD (-65) #define BT_ANTENNA_COUPLING_THRESHOLD (30) -static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm) -{ - return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0, - sizeof(struct iwl_bt_coex_prio_tbl_cmd), - &iwl_bt_prio_tbl); -} +const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX] = { + [BT_KILL_MSK_DEFAULT] = 0xfffffc00, + [BT_KILL_MSK_NEVER] = 0xffffffff, + [BT_KILL_MSK_ALWAYS] = 0, +}; -const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX] = { - [BT_KILL_MSK_DEFAULT] = 0xffff0000, - [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff, - [BT_KILL_MSK_REDUCED_TXPOW] = 0, +const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = { + { + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + }, + { + BT_KILL_MSK_NEVER, + BT_KILL_MSK_NEVER, + BT_KILL_MSK_NEVER, + }, + { + BT_KILL_MSK_NEVER, + BT_KILL_MSK_NEVER, + BT_KILL_MSK_NEVER, + }, + { + BT_KILL_MSK_DEFAULT, + BT_KILL_MSK_NEVER, + BT_KILL_MSK_DEFAULT, + }, }; -const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX] = { - [BT_KILL_MSK_DEFAULT] = 0xffff0000, - [BT_KILL_MSK_SCO_HID_A2DP] = 0xffffffff, - [BT_KILL_MSK_REDUCED_TXPOW] = 0, +const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT] = { + { + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + }, + { + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + }, + { + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_ALWAYS, + }, + { + BT_KILL_MSK_DEFAULT, + BT_KILL_MSK_ALWAYS, + BT_KILL_MSK_DEFAULT, + }, }; static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = { @@ -519,6 +520,7 @@ iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) struct ieee80211_chanctx_conf *chanctx_conf; enum iwl_bt_coex_lut_type ret; u16 phy_ctx_id; + u32 primary_ch_phy_id, secondary_ch_phy_id; /* * Checking that we hold mvm->mutex is a good idea, but the rate @@ -535,7 +537,7 @@ iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) if (!chanctx_conf || chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { rcu_read_unlock(); - return BT_COEX_LOOSE_LUT; + return BT_COEX_INVALID_LUT; } ret = BT_COEX_TX_DIS_LUT; @@ -546,10 +548,13 @@ iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) } phy_ctx_id = *((u16 *)chanctx_conf->drv_priv); + primary_ch_phy_id = le32_to_cpu(mvm->last_bt_ci_cmd.primary_ch_phy_id); + secondary_ch_phy_id = + le32_to_cpu(mvm->last_bt_ci_cmd.secondary_ch_phy_id); - if (mvm->last_bt_ci_cmd.primary_ch_phy_id == phy_ctx_id) + if (primary_ch_phy_id == phy_ctx_id) ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut); - else if (mvm->last_bt_ci_cmd.secondary_ch_phy_id == phy_ctx_id) + else if (secondary_ch_phy_id == phy_ctx_id) ret = le32_to_cpu(mvm->last_bt_notif.secondary_ch_lut); /* else - default = TX TX disallowed */ @@ -567,59 +572,63 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm) .dataflags = { IWL_HCMD_DFL_NOCOPY, }, }; int ret; - u32 flags; + u32 mode; - ret = iwl_send_bt_prio_tbl(mvm); - if (ret) - return ret; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_send_bt_init_conf_old(mvm); bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); if (!bt_cmd) return -ENOMEM; cmd.data[0] = bt_cmd; - bt_cmd->max_kill = 5; - bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD; - bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling; - bt_cmd->bt4_tx_tx_delta_freq_thr = 15; - bt_cmd->bt4_tx_rx_max_freq0 = 15; - bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT; - bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT; - - flags = iwlwifi_mod_params.bt_coex_active ? - BT_COEX_NW : BT_COEX_DISABLE; - bt_cmd->flags = cpu_to_le32(flags); - - bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE | - BT_VALID_BT_PRIO_BOOST | - BT_VALID_MAX_KILL | - BT_VALID_3W_TMRS | - BT_VALID_KILL_ACK | - BT_VALID_KILL_CTS | - BT_VALID_REDUCED_TX_POWER | - BT_VALID_LUT | - BT_VALID_WIFI_RX_SW_PRIO_BOOST | - BT_VALID_WIFI_TX_SW_PRIO_BOOST | - BT_VALID_ANT_ISOLATION | - BT_VALID_ANT_ISOLATION_THRS | - BT_VALID_TXTX_DELTA_FREQ_THRS | - BT_VALID_TXRX_MAX_FREQ_0 | - BT_VALID_SYNC_TO_SCO); + lockdep_assert_held(&mvm->mutex); - if (IWL_MVM_BT_COEX_SYNC2SCO) - bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO); + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) { + u32 mode; - if (IWL_MVM_BT_COEX_CORUNNING) { - bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 | - BT_VALID_CORUN_LUT_40); - bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING); + switch (mvm->bt_force_ant_mode) { + case BT_FORCE_ANT_BT: + mode = BT_COEX_BT; + break; + case BT_FORCE_ANT_WIFI: + mode = BT_COEX_WIFI; + break; + default: + WARN_ON(1); + mode = 0; + } + + bt_cmd->mode = cpu_to_le32(mode); + goto send_cmd; } + bt_cmd->max_kill = cpu_to_le32(5); + bt_cmd->bt4_antenna_isolation_thr = + cpu_to_le32(BT_ANTENNA_COUPLING_THRESHOLD); + bt_cmd->bt4_tx_tx_delta_freq_thr = cpu_to_le32(15); + bt_cmd->bt4_tx_rx_max_freq0 = cpu_to_le32(15); + bt_cmd->override_primary_lut = cpu_to_le32(BT_COEX_INVALID_LUT); + bt_cmd->override_secondary_lut = cpu_to_le32(BT_COEX_INVALID_LUT); + + mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE; + bt_cmd->mode = cpu_to_le32(mode); + + if (IWL_MVM_BT_COEX_SYNC2SCO) + bt_cmd->enabled_modules |= + cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED); + + if (IWL_MVM_BT_COEX_CORUNNING) + bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_CORUN_ENABLED); + if (IWL_MVM_BT_COEX_MPLUT) { - bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT); - bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT); + bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED); + bt_cmd->enabled_modules |= + cpu_to_le32(BT_COEX_MPLUT_BOOST_ENABLED); } + bt_cmd->enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET); + if (mvm->cfg->bt_shared_single_ant) memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant, sizeof(iwl_single_shared_ant)); @@ -627,21 +636,12 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm) memcpy(&bt_cmd->decision_lut, iwl_combined_lookup, sizeof(iwl_combined_lookup)); - /* Take first Co-running block LUT to get started */ - memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20, - sizeof(bt_cmd->bt4_corun_lut20)); - memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20, - sizeof(bt_cmd->bt4_corun_lut40)); - - memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost, + memcpy(&bt_cmd->mplut_prio_boost, iwl_bt_prio_boost, sizeof(iwl_bt_prio_boost)); - memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut, + memcpy(&bt_cmd->multiprio_lut, iwl_bt_mprio_lut, sizeof(iwl_bt_mprio_lut)); - bt_cmd->kill_ack_msk = - cpu_to_le32(iwl_bt_ack_kill_msk[BT_KILL_MSK_DEFAULT]); - bt_cmd->kill_cts_msk = - cpu_to_le32(iwl_bt_cts_kill_msk[BT_KILL_MSK_DEFAULT]); +send_cmd: memset(&mvm->last_bt_notif, 0, sizeof(mvm->last_bt_notif)); memset(&mvm->last_bt_ci_cmd, 0, sizeof(mvm->last_bt_ci_cmd)); @@ -651,82 +651,54 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm) return ret; } -static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm, - bool reduced_tx_power) +static int iwl_mvm_bt_udpate_sw_boost(struct iwl_mvm *mvm) { - enum iwl_bt_kill_msk bt_kill_msk; - struct iwl_bt_coex_cmd *bt_cmd; struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; - struct iwl_host_cmd cmd = { - .id = BT_CONFIG, - .data[0] = &bt_cmd, - .len = { sizeof(*bt_cmd), }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; - int ret = 0; + u32 primary_lut = le32_to_cpu(notif->primary_ch_lut); + u32 secondary_lut = le32_to_cpu(notif->secondary_ch_lut); + u32 ag = le32_to_cpu(notif->bt_activity_grading); + struct iwl_bt_coex_sw_boost_update_cmd cmd = {}; + u8 ack_kill_msk[NUM_PHY_CTX] = {}; + u8 cts_kill_msk[NUM_PHY_CTX] = {}; + int i; lockdep_assert_held(&mvm->mutex); - if (reduced_tx_power) { - /* Reduced Tx power has precedence on the type of the profile */ - bt_kill_msk = BT_KILL_MSK_REDUCED_TXPOW; - } else { - /* Low latency BT profile is active: give higher prio to BT */ - if (BT_MBOX_MSG(notif, 3, SCO_STATE) || - BT_MBOX_MSG(notif, 3, A2DP_STATE) || - BT_MBOX_MSG(notif, 3, SNIFF_STATE)) - bt_kill_msk = BT_KILL_MSK_SCO_HID_A2DP; - else - bt_kill_msk = BT_KILL_MSK_DEFAULT; - } + ack_kill_msk[0] = iwl_bt_ack_kill_msk[ag][primary_lut]; + cts_kill_msk[0] = iwl_bt_cts_kill_msk[ag][primary_lut]; - IWL_DEBUG_COEX(mvm, - "Update kill_msk: %d - SCO %sactive A2DP %sactive SNIFF %sactive\n", - bt_kill_msk, - BT_MBOX_MSG(notif, 3, SCO_STATE) ? "" : "in", - BT_MBOX_MSG(notif, 3, A2DP_STATE) ? "" : "in", - BT_MBOX_MSG(notif, 3, SNIFF_STATE) ? "" : "in"); + ack_kill_msk[1] = iwl_bt_ack_kill_msk[ag][secondary_lut]; + cts_kill_msk[1] = iwl_bt_cts_kill_msk[ag][secondary_lut]; /* Don't send HCMD if there is no update */ - if (bt_kill_msk == mvm->bt_kill_msk) + if (!memcmp(ack_kill_msk, mvm->bt_ack_kill_msk, sizeof(ack_kill_msk)) || + !memcmp(cts_kill_msk, mvm->bt_cts_kill_msk, sizeof(cts_kill_msk))) return 0; - mvm->bt_kill_msk = bt_kill_msk; - - bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); - if (!bt_cmd) - return -ENOMEM; - cmd.data[0] = bt_cmd; - bt_cmd->flags = cpu_to_le32(BT_COEX_NW); - - bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ack_kill_msk[bt_kill_msk]); - bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_cts_kill_msk[bt_kill_msk]); - bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE | - BT_VALID_KILL_ACK | - BT_VALID_KILL_CTS); + memcpy(mvm->bt_ack_kill_msk, ack_kill_msk, + sizeof(mvm->bt_ack_kill_msk)); + memcpy(mvm->bt_cts_kill_msk, cts_kill_msk, + sizeof(mvm->bt_cts_kill_msk)); - IWL_DEBUG_COEX(mvm, "ACK Kill msk = 0x%08x, CTS Kill msk = 0x%08x\n", - iwl_bt_ack_kill_msk[bt_kill_msk], - iwl_bt_cts_kill_msk[bt_kill_msk]); + BUILD_BUG_ON(ARRAY_SIZE(ack_kill_msk) < ARRAY_SIZE(cmd.boost_values)); - ret = iwl_mvm_send_cmd(mvm, &cmd); + for (i = 0; i < ARRAY_SIZE(cmd.boost_values); i++) { + cmd.boost_values[i].kill_ack_msk = + cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk[i]]); + cmd.boost_values[i].kill_cts_msk = + cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk[i]]); + } - kfree(bt_cmd); - return ret; + return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_SW_BOOST, 0, + sizeof(cmd), &cmd); } static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, bool enable) { - struct iwl_bt_coex_cmd *bt_cmd; - /* Send ASYNC since this can be sent from an atomic context */ - struct iwl_host_cmd cmd = { - .id = BT_CONFIG, - .len = { sizeof(*bt_cmd), }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - .flags = CMD_ASYNC, - }; + struct iwl_bt_coex_reduced_txp_update_cmd cmd = {}; struct iwl_mvm_sta *mvmsta; + u32 value; int ret; mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); @@ -737,35 +709,26 @@ static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, if (mvmsta->bt_reduced_txpower == enable) return 0; - bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC); - if (!bt_cmd) - return -ENOMEM; - cmd.data[0] = bt_cmd; - bt_cmd->flags = cpu_to_le32(BT_COEX_NW); - - bt_cmd->valid_bit_msk = - cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER); - bt_cmd->bt_reduced_tx_power = sta_id; + value = mvmsta->sta_id; if (enable) - bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT; + value |= BT_REDUCED_TX_POWER_BIT; IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n", enable ? "en" : "dis", sta_id); + cmd.reduced_txp = cpu_to_le32(value); mvmsta->bt_reduced_txpower = enable; - ret = iwl_mvm_send_cmd(mvm, &cmd); + ret = iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, CMD_ASYNC, + sizeof(cmd), &cmd); - kfree(bt_cmd); return ret; } struct iwl_bt_iterator_data { struct iwl_bt_coex_profile_notif *notif; struct iwl_mvm *mvm; - u32 num_bss_ifaces; - bool reduced_tx_power; struct ieee80211_chanctx_conf *primary; struct ieee80211_chanctx_conf *secondary; bool primary_ll; @@ -780,9 +743,9 @@ void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm, mvmvif->bf_data.last_bt_coex_event = rssi; mvmvif->bf_data.bt_coex_max_thold = - enable ? BT_ENABLE_REDUCED_TXPOWER_THRESHOLD : 0; + enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0; mvmvif->bf_data.bt_coex_min_thold = - enable ? BT_DISABLE_REDUCED_TXPOWER_THRESHOLD : 0; + enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0; } /* must be called under rcu_read_lock */ @@ -801,22 +764,12 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, switch (vif->type) { case NL80211_IFTYPE_STATION: - /* Count BSSes vifs */ - data->num_bss_ifaces++; /* default smps_mode for BSS / P2P client is AUTOMATIC */ smps_mode = IEEE80211_SMPS_AUTOMATIC; break; case NL80211_IFTYPE_AP: - /* default smps_mode for AP / GO is OFF */ - smps_mode = IEEE80211_SMPS_OFF; - if (!mvmvif->ap_ibss_active) { - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, - smps_mode); + if (!mvmvif->ap_ibss_active) return; - } - - /* the Ack / Cts kill mask must be default if AP / GO */ - data->reduced_tx_power = false; break; default: return; @@ -827,11 +780,10 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, /* If channel context is invalid or not on 2.4GHz .. */ if ((!chanctx_conf || chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) { - /* ... relax constraints and disable rssi events */ - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, - smps_mode); - data->reduced_tx_power = false; if (vif->type == NL80211_IFTYPE_STATION) { + /* ... relax constraints and disable rssi events */ + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, + smps_mode); iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false); iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); @@ -843,20 +795,23 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, if (bt_activity_grading >= BT_HIGH_TRAFFIC) smps_mode = IEEE80211_SMPS_STATIC; else if (bt_activity_grading >= BT_LOW_TRAFFIC) - smps_mode = vif->type == NL80211_IFTYPE_AP ? - IEEE80211_SMPS_OFF : - IEEE80211_SMPS_DYNAMIC; + smps_mode = IEEE80211_SMPS_DYNAMIC; /* relax SMPS contraints for next association */ if (!vif->bss_conf.assoc) smps_mode = IEEE80211_SMPS_AUTOMATIC; + if (IWL_COEX_IS_RRC_ON(mvm->last_bt_notif.ttc_rrc_status, + mvmvif->phy_ctxt->id)) + smps_mode = IEEE80211_SMPS_AUTOMATIC; + IWL_DEBUG_COEX(data->mvm, - "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n", - mvmvif->id, data->notif->bt_status, bt_activity_grading, - smps_mode); + "mac %d: bt_activity_grading %d smps_req %d\n", + mvmvif->id, bt_activity_grading, smps_mode); - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, smps_mode); + if (vif->type == NL80211_IFTYPE_STATION) + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, + smps_mode); /* low latency is always primary */ if (iwl_mvm_vif_low_latency(mvmvif)) { @@ -906,8 +861,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, */ if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT || mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc || - !data->notif->bt_status) { - data->reduced_tx_power = false; + le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) { iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false); iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); return; @@ -919,26 +873,12 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, /* if the RSSI isn't valid, fake it is very low */ if (!ave_rssi) ave_rssi = -100; - if (ave_rssi > BT_ENABLE_REDUCED_TXPOWER_THRESHOLD) { + if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) { if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true)) IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); - - /* - * bt_kill_msk can be BT_KILL_MSK_REDUCED_TXPOW only if all the - * BSS / P2P clients have rssi above threshold. - * We set the bt_kill_msk to BT_KILL_MSK_REDUCED_TXPOW before - * the iteration, if one interface's rssi isn't good enough, - * bt_kill_msk will be set to default values. - */ - } else if (ave_rssi < BT_DISABLE_REDUCED_TXPOWER_THRESHOLD) { + } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) { if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false)) IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); - - /* - * One interface hasn't rssi above threshold, bt_kill_msk must - * be set to default values. - */ - data->reduced_tx_power = false; } /* Begin to monitor the RSSI: it may influence the reduced Tx power */ @@ -950,11 +890,14 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) struct iwl_bt_iterator_data data = { .mvm = mvm, .notif = &mvm->last_bt_notif, - .reduced_tx_power = true, }; struct iwl_bt_coex_ci_cmd cmd = {}; u8 ci_bw_idx; + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return; + rcu_read_lock(); ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, @@ -969,9 +912,7 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) if (chan->def.width < NL80211_CHAN_WIDTH_40) { ci_bw_idx = 0; - cmd.co_run_bw_primary = 0; } else { - cmd.co_run_bw_primary = 1; if (chan->def.center_freq1 > chan->def.chan->center_freq) ci_bw_idx = 2; @@ -981,7 +922,8 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) cmd.bt_primary_ci = iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; - cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv); + cmd.primary_ch_phy_id = + cpu_to_le32(*((u16 *)data.primary->drv_priv)); } if (data.secondary) { @@ -993,9 +935,7 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) if (chan->def.width < NL80211_CHAN_WIDTH_40) { ci_bw_idx = 0; - cmd.co_run_bw_secondary = 0; } else { - cmd.co_run_bw_secondary = 1; if (chan->def.center_freq1 > chan->def.chan->center_freq) ci_bw_idx = 2; @@ -1005,7 +945,8 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) cmd.bt_secondary_ci = iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; - cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv); + cmd.secondary_ch_phy_id = + cpu_to_le32(*((u16 *)data.secondary->drv_priv)); } rcu_read_unlock(); @@ -1018,14 +959,7 @@ static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd)); } - /* - * If there are no BSS / P2P client interfaces, reduced Tx Power is - * irrelevant since it is based on the RSSI coming from the beacon. - * Use BT_KILL_MSK_DEFAULT in that case. - */ - data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces; - - if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power)) + if (iwl_mvm_bt_udpate_sw_boost(mvm)) IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); } @@ -1036,11 +970,10 @@ int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_rx_bt_coex_notif_old(mvm, rxb, dev_cmd); IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); - IWL_DEBUG_COEX(mvm, "\tBT status: %s\n", - notif->bt_status ? "ON" : "OFF"); - IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn); IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n", le32_to_cpu(notif->primary_ch_lut)); @@ -1048,8 +981,6 @@ int iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, le32_to_cpu(notif->secondary_ch_lut)); IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n", le32_to_cpu(notif->bt_activity_grading)); - IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n", - notif->bt_agg_traffic_load); /* remember this notification for future use: rssi fluctuations */ memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif)); @@ -1097,16 +1028,6 @@ static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, return; mvmsta = iwl_mvm_sta_from_mac80211(sta); - - data->num_bss_ifaces++; - - /* - * This interface doesn't support reduced Tx power (because of low - * RSSI probably), then set bt_kill_msk to default values. - */ - if (!mvmsta->bt_reduced_txpower) - data->reduced_tx_power = false; - /* else - possibly leave it to BT_KILL_MSK_REDUCED_TXPOW */ } void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, @@ -1115,12 +1036,20 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv; struct iwl_bt_iterator_data data = { .mvm = mvm, - .reduced_tx_power = true, }; int ret; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_bt_rssi_event_old(mvm, vif, rssi_event); + return; + } + lockdep_assert_held(&mvm->mutex); + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return; + /* * Rssi update while not associated - can happen since the statistics * are handled asynchronously @@ -1129,7 +1058,7 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return; /* No BT - reports should be disabled */ - if (!mvm->last_bt_notif.bt_status) + if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF) return; IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid, @@ -1153,14 +1082,7 @@ void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_bt_rssi_iterator, &data); - /* - * If there are no BSS / P2P client interfaces, reduced Tx Power is - * irrelevant since it is based on the RSSI coming from the beacon. - * Use BT_KILL_MSK_DEFAULT in that case. - */ - data.reduced_tx_power = data.reduced_tx_power && data.num_bss_ifaces; - - if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm, data.reduced_tx_power)) + if (iwl_mvm_bt_udpate_sw_boost(mvm)) IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); } @@ -1171,15 +1093,23 @@ u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, struct ieee80211_sta *sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; enum iwl_bt_coex_lut_type lut_type; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_coex_agg_time_limit_old(mvm, sta); + + if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) + return LINK_QUAL_AGG_TIME_LIMIT_DEF; + if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < BT_HIGH_TRAFFIC) return LINK_QUAL_AGG_TIME_LIMIT_DEF; lut_type = iwl_get_coex_type(mvm, mvmsta->vif); - if (lut_type == BT_COEX_LOOSE_LUT) + if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT) return LINK_QUAL_AGG_TIME_LIMIT_DEF; /* tight coex, high bt traffic, reduce AGG time limit */ @@ -1190,18 +1120,37 @@ bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, struct ieee80211_sta *sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + struct iwl_mvm_phy_ctxt *phy_ctxt = mvmvif->phy_ctxt; + enum iwl_bt_coex_lut_type lut_type; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_bt_coex_is_mimo_allowed_old(mvm, sta); + + if (IWL_COEX_IS_TTC_ON(mvm->last_bt_notif.ttc_rrc_status, phy_ctxt->id)) + return true; if (le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < BT_HIGH_TRAFFIC) return true; /* - * In Tight, BT can't Rx while we Tx, so use both antennas since BT is - * already killed. - * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while we - * Tx. + * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas + * since BT is already killed. + * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while + * we Tx. + * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO. */ - return iwl_get_coex_type(mvm, mvmsta->vif) == BT_COEX_TIGHT_LUT; + lut_type = iwl_get_coex_type(mvm, mvmsta->vif); + return lut_type != BT_COEX_LOOSE_LUT; +} + +bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm) +{ + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_bt_coex_is_shared_ant_avail_old(mvm); + + return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) == BT_OFF; } bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, @@ -1209,6 +1158,9 @@ bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, { u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading); + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_bt_coex_is_tpc_allowed_old(mvm, band); + if (band != IEEE80211_BAND_2GHZ) return false; @@ -1249,6 +1201,11 @@ u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) { + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + iwl_mvm_bt_coex_vif_change_old(mvm); + return; + } + iwl_mvm_bt_coex_notif_handle(mvm); } @@ -1258,22 +1215,22 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, { struct iwl_rx_packet *pkt = rxb_addr(rxb); u32 ant_isolation = le32_to_cpup((void *)pkt->data); + struct iwl_bt_coex_corun_lut_update_cmd cmd = {}; u8 __maybe_unused lower_bound, upper_bound; - int ret; u8 lut; - struct iwl_bt_coex_cmd *bt_cmd; - struct iwl_host_cmd cmd = { - .id = BT_CONFIG, - .len = { sizeof(*bt_cmd), }, - .dataflags = { IWL_HCMD_DFL_NOCOPY, }, - }; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) + return iwl_mvm_rx_ant_coupling_notif_old(mvm, rxb, dev_cmd); if (!IWL_MVM_BT_COEX_CORUNNING) return 0; lockdep_assert_held(&mvm->mutex); + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return 0; + if (ant_isolation == mvm->last_ant_isol) return 0; @@ -1298,25 +1255,13 @@ int iwl_mvm_rx_ant_coupling_notif(struct iwl_mvm *mvm, mvm->last_corun_lut = lut; - bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); - if (!bt_cmd) - return 0; - cmd.data[0] = bt_cmd; - - bt_cmd->flags = cpu_to_le32(BT_COEX_NW); - bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE | - BT_VALID_CORUN_LUT_20 | - BT_VALID_CORUN_LUT_40); - /* For the moment, use the same LUT for 20GHz and 40GHz */ - memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20, - sizeof(bt_cmd->bt4_corun_lut20)); + memcpy(&cmd.corun_lut20, antenna_coupling_ranges[lut].lut20, + sizeof(cmd.corun_lut20)); - memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20, - sizeof(bt_cmd->bt4_corun_lut40)); + memcpy(&cmd.corun_lut40, antenna_coupling_ranges[lut].lut20, + sizeof(cmd.corun_lut40)); - ret = iwl_mvm_send_cmd(mvm, &cmd); - - kfree(bt_cmd); - return ret; + return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_CORUN_LUT, 0, + sizeof(cmd), &cmd); } diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c new file mode 100644 index 000000000000..a3be33359927 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c @@ -0,0 +1,1257 @@ +/****************************************************************************** + * + * 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) 2013 - 2014 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, + * USA + * + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + * + * Contact Information: + * Intel Linux Wireless <ilw@linux.intel.com> + * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + * + * BSD LICENSE + * + * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved. + * 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/ieee80211.h> +#include <linux/etherdevice.h> +#include <net/mac80211.h> + +#include "fw-api-coex.h" +#include "iwl-modparams.h" +#include "mvm.h" +#include "iwl-debug.h" + +#define EVENT_PRIO_ANT(_evt, _prio, _shrd_ant) \ + [(_evt)] = (((_prio) << BT_COEX_PRIO_TBL_PRIO_POS) | \ + ((_shrd_ant) << BT_COEX_PRIO_TBL_SHRD_ANT_POS)) + +static const u8 iwl_bt_prio_tbl[BT_COEX_PRIO_TBL_EVT_MAX] = { + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB1, + BT_COEX_PRIO_TBL_PRIO_BYPASS, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_INIT_CALIB2, + BT_COEX_PRIO_TBL_PRIO_BYPASS, 1), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW1, + BT_COEX_PRIO_TBL_PRIO_LOW, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_LOW2, + BT_COEX_PRIO_TBL_PRIO_LOW, 1), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH1, + BT_COEX_PRIO_TBL_PRIO_HIGH, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_PERIODIC_CALIB_HIGH2, + BT_COEX_PRIO_TBL_PRIO_HIGH, 1), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_DTIM, + BT_COEX_PRIO_TBL_DISABLED, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN52, + BT_COEX_PRIO_TBL_PRIO_COEX_OFF, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_SCAN24, + BT_COEX_PRIO_TBL_PRIO_COEX_ON, 0), + EVENT_PRIO_ANT(BT_COEX_PRIO_TBL_EVT_IDLE, + BT_COEX_PRIO_TBL_PRIO_COEX_IDLE, 0), + 0, 0, 0, 0, 0, 0, +}; + +#undef EVENT_PRIO_ANT + +#define BT_ANTENNA_COUPLING_THRESHOLD (30) + +static int iwl_send_bt_prio_tbl(struct iwl_mvm *mvm) +{ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return 0; + + return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_PRIO_TABLE, 0, + sizeof(struct iwl_bt_coex_prio_tbl_cmd), + &iwl_bt_prio_tbl); +} + +static const __le32 iwl_bt_prio_boost[BT_COEX_BOOST_SIZE] = { + cpu_to_le32(0xf0f0f0f0), /* 50% */ + cpu_to_le32(0xc0c0c0c0), /* 25% */ + cpu_to_le32(0xfcfcfcfc), /* 75% */ + cpu_to_le32(0xfefefefe), /* 87.5% */ +}; + +static const __le32 iwl_single_shared_ant[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = { + { + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + }, + { + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + }, + { + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x40000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0x44000000), + cpu_to_le32(0x00000000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + }, +}; + +static const __le32 iwl_combined_lookup[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE] = { + { + /* Tight */ + 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(0xc0004000), + cpu_to_le32(0x00004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xf0005000), + }, + { + /* Loose */ + cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xaaaaaaaa), + 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), + }, + { + /* Tx Tx disabled */ + cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xeeaaaaaa), + cpu_to_le32(0xaaaaaaaa), + cpu_to_le32(0xcc00ff28), + cpu_to_le32(0x0000aaaa), + cpu_to_le32(0xcc00aaaa), + cpu_to_le32(0x0000aaaa), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xc0004000), + cpu_to_le32(0xf0005000), + cpu_to_le32(0xf0005000), + }, +}; + +/* 20MHz / 40MHz below / 40Mhz above*/ +static const __le64 iwl_ci_mask[][3] = { + /* dummy entry for channel 0 */ + {cpu_to_le64(0), cpu_to_le64(0), cpu_to_le64(0)}, + { + cpu_to_le64(0x0000001FFFULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x00007FFFFFULL), + }, + { + cpu_to_le64(0x000000FFFFULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x0003FFFFFFULL), + }, + { + cpu_to_le64(0x000003FFFCULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x000FFFFFFCULL), + }, + { + cpu_to_le64(0x00001FFFE0ULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x007FFFFFE0ULL), + }, + { + cpu_to_le64(0x00007FFF80ULL), + cpu_to_le64(0x00007FFFFFULL), + cpu_to_le64(0x01FFFFFF80ULL), + }, + { + cpu_to_le64(0x0003FFFC00ULL), + cpu_to_le64(0x0003FFFFFFULL), + cpu_to_le64(0x0FFFFFFC00ULL), + }, + { + cpu_to_le64(0x000FFFF000ULL), + cpu_to_le64(0x000FFFFFFCULL), + cpu_to_le64(0x3FFFFFF000ULL), + }, + { + cpu_to_le64(0x007FFF8000ULL), + cpu_to_le64(0x007FFFFFE0ULL), + cpu_to_le64(0xFFFFFF8000ULL), + }, + { + cpu_to_le64(0x01FFFE0000ULL), + cpu_to_le64(0x01FFFFFF80ULL), + cpu_to_le64(0xFFFFFE0000ULL), + }, + { + cpu_to_le64(0x0FFFF00000ULL), + cpu_to_le64(0x0FFFFFFC00ULL), + cpu_to_le64(0x0ULL), + }, + { + cpu_to_le64(0x3FFFC00000ULL), + cpu_to_le64(0x3FFFFFF000ULL), + cpu_to_le64(0x0) + }, + { + cpu_to_le64(0xFFFE000000ULL), + cpu_to_le64(0xFFFFFF8000ULL), + cpu_to_le64(0x0) + }, + { + cpu_to_le64(0xFFF8000000ULL), + cpu_to_le64(0xFFFFFE0000ULL), + cpu_to_le64(0x0) + }, + { + cpu_to_le64(0xFFC0000000ULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x0ULL) + }, +}; + +static const __le32 iwl_bt_mprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE] = { + cpu_to_le32(0x28412201), + cpu_to_le32(0x11118451), +}; + +struct corunning_block_luts { + u8 range; + __le32 lut20[BT_COEX_CORUN_LUT_SIZE]; +}; + +/* + * Ranges for the antenna coupling calibration / co-running block LUT: + * LUT0: [ 0, 12[ + * LUT1: [12, 20[ + * LUT2: [20, 21[ + * LUT3: [21, 23[ + * LUT4: [23, 27[ + * LUT5: [27, 30[ + * LUT6: [30, 32[ + * LUT7: [32, 33[ + * LUT8: [33, - [ + */ +static const struct corunning_block_luts antenna_coupling_ranges[] = { + { + .range = 0, + .lut20 = { + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 12, + .lut20 = { + cpu_to_le32(0x00000001), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 20, + .lut20 = { + cpu_to_le32(0x00000002), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 21, + .lut20 = { + cpu_to_le32(0x00000003), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 23, + .lut20 = { + cpu_to_le32(0x00000004), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 27, + .lut20 = { + cpu_to_le32(0x00000005), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 30, + .lut20 = { + cpu_to_le32(0x00000006), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 32, + .lut20 = { + cpu_to_le32(0x00000007), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, + { + .range = 33, + .lut20 = { + cpu_to_le32(0x00000008), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + cpu_to_le32(0x00000000), cpu_to_le32(0x00000000), + }, + }, +}; + +static enum iwl_bt_coex_lut_type +iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif) +{ + struct ieee80211_chanctx_conf *chanctx_conf; + enum iwl_bt_coex_lut_type ret; + u16 phy_ctx_id; + + /* + * Checking that we hold mvm->mutex is a good idea, but the rate + * control can't acquire the mutex since it runs in Tx path. + * So this is racy in that case, but in the worst case, the AMPDU + * size limit will be wrong for a short time which is not a big + * issue. + */ + + rcu_read_lock(); + + chanctx_conf = rcu_dereference(vif->chanctx_conf); + + if (!chanctx_conf || + chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { + rcu_read_unlock(); + return BT_COEX_INVALID_LUT; + } + + ret = BT_COEX_TX_DIS_LUT; + + if (mvm->cfg->bt_shared_single_ant) { + rcu_read_unlock(); + return ret; + } + + phy_ctx_id = *((u16 *)chanctx_conf->drv_priv); + + if (mvm->last_bt_ci_cmd_old.primary_ch_phy_id == phy_ctx_id) + ret = le32_to_cpu(mvm->last_bt_notif_old.primary_ch_lut); + else if (mvm->last_bt_ci_cmd_old.secondary_ch_phy_id == phy_ctx_id) + ret = le32_to_cpu(mvm->last_bt_notif_old.secondary_ch_lut); + /* else - default = TX TX disallowed */ + + rcu_read_unlock(); + + return ret; +} + +int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm) +{ + struct iwl_bt_coex_cmd_old *bt_cmd; + struct iwl_host_cmd cmd = { + .id = BT_CONFIG, + .len = { sizeof(*bt_cmd), }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + int ret; + u32 flags; + + ret = iwl_send_bt_prio_tbl(mvm); + if (ret) + return ret; + + bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); + if (!bt_cmd) + return -ENOMEM; + cmd.data[0] = bt_cmd; + + lockdep_assert_held(&mvm->mutex); + + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) { + switch (mvm->bt_force_ant_mode) { + case BT_FORCE_ANT_AUTO: + flags = BT_COEX_AUTO_OLD; + break; + case BT_FORCE_ANT_BT: + flags = BT_COEX_BT_OLD; + break; + case BT_FORCE_ANT_WIFI: + flags = BT_COEX_WIFI_OLD; + break; + default: + WARN_ON(1); + flags = 0; + } + + bt_cmd->flags = cpu_to_le32(flags); + bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE); + goto send_cmd; + } + + bt_cmd->max_kill = 5; + bt_cmd->bt4_antenna_isolation_thr = BT_ANTENNA_COUPLING_THRESHOLD; + bt_cmd->bt4_antenna_isolation = iwlwifi_mod_params.ant_coupling; + bt_cmd->bt4_tx_tx_delta_freq_thr = 15; + bt_cmd->bt4_tx_rx_max_freq0 = 15; + bt_cmd->override_primary_lut = BT_COEX_INVALID_LUT; + bt_cmd->override_secondary_lut = BT_COEX_INVALID_LUT; + + flags = iwlwifi_mod_params.bt_coex_active ? + BT_COEX_NW_OLD : BT_COEX_DISABLE_OLD; + bt_cmd->flags = cpu_to_le32(flags); + + bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_ENABLE | + BT_VALID_BT_PRIO_BOOST | + BT_VALID_MAX_KILL | + BT_VALID_3W_TMRS | + BT_VALID_KILL_ACK | + BT_VALID_KILL_CTS | + BT_VALID_REDUCED_TX_POWER | + BT_VALID_LUT | + BT_VALID_WIFI_RX_SW_PRIO_BOOST | + BT_VALID_WIFI_TX_SW_PRIO_BOOST | + BT_VALID_ANT_ISOLATION | + BT_VALID_ANT_ISOLATION_THRS | + BT_VALID_TXTX_DELTA_FREQ_THRS | + BT_VALID_TXRX_MAX_FREQ_0 | + BT_VALID_SYNC_TO_SCO); + + if (IWL_MVM_BT_COEX_SYNC2SCO) + bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO); + + if (IWL_MVM_BT_COEX_CORUNNING) { + bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 | + BT_VALID_CORUN_LUT_40); + bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING); + } + + if (IWL_MVM_BT_COEX_MPLUT) { + bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT); + bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT); + } + + if (mvm->cfg->bt_shared_single_ant) + memcpy(&bt_cmd->decision_lut, iwl_single_shared_ant, + sizeof(iwl_single_shared_ant)); + else + memcpy(&bt_cmd->decision_lut, iwl_combined_lookup, + sizeof(iwl_combined_lookup)); + + /* Take first Co-running block LUT to get started */ + memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[0].lut20, + sizeof(bt_cmd->bt4_corun_lut20)); + memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[0].lut20, + sizeof(bt_cmd->bt4_corun_lut40)); + + memcpy(&bt_cmd->bt_prio_boost, iwl_bt_prio_boost, + sizeof(iwl_bt_prio_boost)); + memcpy(&bt_cmd->bt4_multiprio_lut, iwl_bt_mprio_lut, + sizeof(iwl_bt_mprio_lut)); + +send_cmd: + memset(&mvm->last_bt_notif_old, 0, sizeof(mvm->last_bt_notif_old)); + memset(&mvm->last_bt_ci_cmd_old, 0, sizeof(mvm->last_bt_ci_cmd_old)); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + + kfree(bt_cmd); + return ret; +} + +static int iwl_mvm_bt_udpate_ctrl_kill_msk(struct iwl_mvm *mvm) +{ + struct iwl_bt_coex_profile_notif_old *notif = &mvm->last_bt_notif_old; + u32 primary_lut = le32_to_cpu(notif->primary_ch_lut); + u32 ag = le32_to_cpu(notif->bt_activity_grading); + struct iwl_bt_coex_cmd_old *bt_cmd; + u8 ack_kill_msk, cts_kill_msk; + struct iwl_host_cmd cmd = { + .id = BT_CONFIG, + .data[0] = &bt_cmd, + .len = { sizeof(*bt_cmd), }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + int ret = 0; + + lockdep_assert_held(&mvm->mutex); + + ack_kill_msk = iwl_bt_ack_kill_msk[ag][primary_lut]; + cts_kill_msk = iwl_bt_cts_kill_msk[ag][primary_lut]; + + if (mvm->bt_ack_kill_msk[0] == ack_kill_msk && + mvm->bt_cts_kill_msk[0] == cts_kill_msk) + return 0; + + mvm->bt_ack_kill_msk[0] = ack_kill_msk; + mvm->bt_cts_kill_msk[0] = cts_kill_msk; + + bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); + if (!bt_cmd) + return -ENOMEM; + cmd.data[0] = bt_cmd; + bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD); + + bt_cmd->kill_ack_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[ack_kill_msk]); + bt_cmd->kill_cts_msk = cpu_to_le32(iwl_bt_ctl_kill_msk[cts_kill_msk]); + bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE | + BT_VALID_KILL_ACK | + BT_VALID_KILL_CTS); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + + kfree(bt_cmd); + return ret; +} + +static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, + bool enable) +{ + struct iwl_bt_coex_cmd_old *bt_cmd; + /* Send ASYNC since this can be sent from an atomic context */ + struct iwl_host_cmd cmd = { + .id = BT_CONFIG, + .len = { sizeof(*bt_cmd), }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + .flags = CMD_ASYNC, + }; + struct iwl_mvm_sta *mvmsta; + int ret; + + mvmsta = iwl_mvm_sta_from_staid_protected(mvm, sta_id); + if (!mvmsta) + return 0; + + /* nothing to do */ + if (mvmsta->bt_reduced_txpower == enable) + return 0; + + bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_ATOMIC); + if (!bt_cmd) + return -ENOMEM; + cmd.data[0] = bt_cmd; + bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD); + + bt_cmd->valid_bit_msk = + cpu_to_le32(BT_VALID_ENABLE | BT_VALID_REDUCED_TX_POWER); + bt_cmd->bt_reduced_tx_power = sta_id; + + if (enable) + bt_cmd->bt_reduced_tx_power |= BT_REDUCED_TX_POWER_BIT; + + IWL_DEBUG_COEX(mvm, "%sable reduced Tx Power for sta %d\n", + enable ? "en" : "dis", sta_id); + + mvmsta->bt_reduced_txpower = enable; + + ret = iwl_mvm_send_cmd(mvm, &cmd); + + kfree(bt_cmd); + return ret; +} + +struct iwl_bt_iterator_data { + struct iwl_bt_coex_profile_notif_old *notif; + struct iwl_mvm *mvm; + struct ieee80211_chanctx_conf *primary; + struct ieee80211_chanctx_conf *secondary; + bool primary_ll; +}; + +static inline +void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + bool enable, int rssi) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + mvmvif->bf_data.last_bt_coex_event = rssi; + mvmvif->bf_data.bt_coex_max_thold = + enable ? -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH : 0; + mvmvif->bf_data.bt_coex_min_thold = + enable ? -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH : 0; +} + +/* must be called under rcu_read_lock */ +static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_bt_iterator_data *data = _data; + struct iwl_mvm *mvm = data->mvm; + struct ieee80211_chanctx_conf *chanctx_conf; + enum ieee80211_smps_mode smps_mode; + u32 bt_activity_grading; + int ave_rssi; + + lockdep_assert_held(&mvm->mutex); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + /* default smps_mode for BSS / P2P client is AUTOMATIC */ + smps_mode = IEEE80211_SMPS_AUTOMATIC; + break; + case NL80211_IFTYPE_AP: + if (!mvmvif->ap_ibss_active) + return; + break; + default: + return; + } + + chanctx_conf = rcu_dereference(vif->chanctx_conf); + + /* If channel context is invalid or not on 2.4GHz .. */ + if ((!chanctx_conf || + chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ)) { + if (vif->type == NL80211_IFTYPE_STATION) { + /* ... relax constraints and disable rssi events */ + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, + smps_mode); + iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, + false); + iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); + } + return; + } + + bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading); + if (bt_activity_grading >= BT_HIGH_TRAFFIC) + smps_mode = IEEE80211_SMPS_STATIC; + else if (bt_activity_grading >= BT_LOW_TRAFFIC) + smps_mode = vif->type == NL80211_IFTYPE_AP ? + IEEE80211_SMPS_OFF : + IEEE80211_SMPS_DYNAMIC; + + /* relax SMPS contraints for next association */ + if (!vif->bss_conf.assoc) + smps_mode = IEEE80211_SMPS_AUTOMATIC; + + IWL_DEBUG_COEX(data->mvm, + "mac %d: bt_status %d bt_activity_grading %d smps_req %d\n", + mvmvif->id, data->notif->bt_status, bt_activity_grading, + smps_mode); + + if (vif->type == NL80211_IFTYPE_STATION) + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, + smps_mode); + + /* low latency is always primary */ + if (iwl_mvm_vif_low_latency(mvmvif)) { + data->primary_ll = true; + + data->secondary = data->primary; + data->primary = chanctx_conf; + } + + if (vif->type == NL80211_IFTYPE_AP) { + if (!mvmvif->ap_ibss_active) + return; + + if (chanctx_conf == data->primary) + return; + + if (!data->primary_ll) { + /* + * downgrade the current primary no matter what its + * type is. + */ + data->secondary = data->primary; + data->primary = chanctx_conf; + } else { + /* there is low latency vif - we will be secondary */ + data->secondary = chanctx_conf; + } + return; + } + + /* + * STA / P2P Client, try to be primary if first vif. If we are in low + * latency mode, we are already in primary and just don't do much + */ + if (!data->primary || data->primary == chanctx_conf) + data->primary = chanctx_conf; + else if (!data->secondary) + /* if secondary is not NULL, it might be a GO */ + data->secondary = chanctx_conf; + + /* + * 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 + */ + if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT || + mvm->cfg->bt_shared_single_ant || !vif->bss_conf.assoc || + !data->notif->bt_status) { + iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false); + iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, false, 0); + return; + } + + /* try to get the avg rssi from fw */ + ave_rssi = mvmvif->bf_data.ave_beacon_signal; + + /* if the RSSI isn't valid, fake it is very low */ + if (!ave_rssi) + ave_rssi = -100; + if (ave_rssi > -IWL_MVM_BT_COEX_EN_RED_TXP_THRESH) { + if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true)) + IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); + } else if (ave_rssi < -IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH) { + if (iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, false)) + IWL_ERR(mvm, "Couldn't send BT_CONFIG cmd\n"); + } + + /* Begin to monitor the RSSI: it may influence the reduced Tx power */ + iwl_mvm_bt_coex_enable_rssi_event(mvm, vif, true, ave_rssi); +} + +static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm) +{ + struct iwl_bt_iterator_data data = { + .mvm = mvm, + .notif = &mvm->last_bt_notif_old, + }; + struct iwl_bt_coex_ci_cmd_old cmd = {}; + u8 ci_bw_idx; + + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return; + + rcu_read_lock(); + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_bt_notif_iterator, &data); + + if (data.primary) { + struct ieee80211_chanctx_conf *chan = data.primary; + + if (WARN_ON(!chan->def.chan)) { + rcu_read_unlock(); + return; + } + + if (chan->def.width < NL80211_CHAN_WIDTH_40) { + ci_bw_idx = 0; + cmd.co_run_bw_primary = 0; + } else { + cmd.co_run_bw_primary = 1; + if (chan->def.center_freq1 > + chan->def.chan->center_freq) + ci_bw_idx = 2; + else + ci_bw_idx = 1; + } + + cmd.bt_primary_ci = + iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; + cmd.primary_ch_phy_id = *((u16 *)data.primary->drv_priv); + } + + if (data.secondary) { + struct ieee80211_chanctx_conf *chan = data.secondary; + + if (WARN_ON(!data.secondary->def.chan)) { + rcu_read_unlock(); + return; + } + + if (chan->def.width < NL80211_CHAN_WIDTH_40) { + ci_bw_idx = 0; + cmd.co_run_bw_secondary = 0; + } else { + cmd.co_run_bw_secondary = 1; + if (chan->def.center_freq1 > + chan->def.chan->center_freq) + ci_bw_idx = 2; + else + ci_bw_idx = 1; + } + + cmd.bt_secondary_ci = + iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx]; + cmd.secondary_ch_phy_id = *((u16 *)data.secondary->drv_priv); + } + + rcu_read_unlock(); + + /* Don't spam the fw with the same command over and over */ + if (memcmp(&cmd, &mvm->last_bt_ci_cmd_old, sizeof(cmd))) { + if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0, + sizeof(cmd), &cmd)) + IWL_ERR(mvm, "Failed to send BT_CI cmd\n"); + memcpy(&mvm->last_bt_ci_cmd_old, &cmd, sizeof(cmd)); + } + + if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm)) + IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); +} + +int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *dev_cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_bt_coex_profile_notif_old *notif = (void *)pkt->data; + + IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); + IWL_DEBUG_COEX(mvm, "\tBT status: %s\n", + notif->bt_status ? "ON" : "OFF"); + IWL_DEBUG_COEX(mvm, "\tBT open conn %d\n", notif->bt_open_conn); + IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance); + IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n", + le32_to_cpu(notif->primary_ch_lut)); + IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n", + le32_to_cpu(notif->secondary_ch_lut)); + IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n", + le32_to_cpu(notif->bt_activity_grading)); + IWL_DEBUG_COEX(mvm, "\tBT agg traffic load %d\n", + notif->bt_agg_traffic_load); + + /* remember this notification for future use: rssi fluctuations */ + memcpy(&mvm->last_bt_notif_old, notif, sizeof(mvm->last_bt_notif_old)); + + iwl_mvm_bt_coex_notif_handle(mvm); + + /* + * This is an async handler for a notification, returning anything other + * than 0 doesn't make sense even if HCMD failed. + */ + return 0; +} + +static void iwl_mvm_bt_rssi_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv; + struct iwl_bt_iterator_data *data = _data; + struct iwl_mvm *mvm = data->mvm; + + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + + struct ieee80211_chanctx_conf *chanctx_conf; + + rcu_read_lock(); + chanctx_conf = rcu_dereference(vif->chanctx_conf); + /* If channel context is invalid or not on 2.4GHz - don't count it */ + if (!chanctx_conf || + chanctx_conf->def.chan->band != IEEE80211_BAND_2GHZ) { + rcu_read_unlock(); + return; + } + rcu_read_unlock(); + + if (vif->type != NL80211_IFTYPE_STATION || + mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) + return; + + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], + lockdep_is_held(&mvm->mutex)); + + /* This can happen if the station has been removed right now */ + if (IS_ERR_OR_NULL(sta)) + return; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); +} + +void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum ieee80211_rssi_event rssi_event) +{ + struct iwl_mvm_vif *mvmvif = (void *)vif->drv_priv; + struct iwl_bt_iterator_data data = { + .mvm = mvm, + }; + int ret; + + lockdep_assert_held(&mvm->mutex); + + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return; + + /* + * Rssi update while not associated - can happen since the statistics + * are handled asynchronously + */ + if (mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT) + return; + + /* No BT - reports should be disabled */ + if (!mvm->last_bt_notif_old.bt_status) + return; + + IWL_DEBUG_COEX(mvm, "RSSI for %pM is now %s\n", vif->bss_conf.bssid, + rssi_event == RSSI_EVENT_HIGH ? "HIGH" : "LOW"); + + /* + * Check if rssi is good enough for reduced Tx power, but not in loose + * scheme. + */ + if (rssi_event == RSSI_EVENT_LOW || mvm->cfg->bt_shared_single_ant || + iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT) + ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, + false); + else + ret = iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->ap_sta_id, true); + + if (ret) + IWL_ERR(mvm, "couldn't send BT_CONFIG HCMD upon RSSI event\n"); + + ieee80211_iterate_active_interfaces_atomic( + mvm->hw, IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_bt_rssi_iterator, &data); + + if (iwl_mvm_bt_udpate_ctrl_kill_msk(mvm)) + IWL_ERR(mvm, "Failed to update the ctrl_kill_msk\n"); +} + +#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) +#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200) + +u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + enum iwl_bt_coex_lut_type lut_type; + + if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) < + BT_HIGH_TRAFFIC) + return LINK_QUAL_AGG_TIME_LIMIT_DEF; + + if (mvm->last_bt_notif_old.ttc_enabled) + return LINK_QUAL_AGG_TIME_LIMIT_DEF; + + lut_type = iwl_get_coex_type(mvm, mvmsta->vif); + + if (lut_type == BT_COEX_LOOSE_LUT || lut_type == BT_COEX_INVALID_LUT) + return LINK_QUAL_AGG_TIME_LIMIT_DEF; + + /* tight coex, high bt traffic, reduce AGG time limit */ + return LINK_QUAL_AGG_TIME_LIMIT_BT_ACT; +} + +bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm, + struct ieee80211_sta *sta) +{ + struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); + enum iwl_bt_coex_lut_type lut_type; + + if (mvm->last_bt_notif_old.ttc_enabled) + return true; + + if (le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading) < + BT_HIGH_TRAFFIC) + return true; + + /* + * In Tight / TxTxDis, BT can't Rx while we Tx, so use both antennas + * since BT is already killed. + * In Loose, BT can Rx while we Tx, so forbid MIMO to let BT Rx while + * we Tx. + * When we are in 5GHz, we'll get BT_COEX_INVALID_LUT allowing MIMO. + */ + lut_type = iwl_get_coex_type(mvm, mvmsta->vif); + return lut_type != BT_COEX_LOOSE_LUT; +} + +bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm) +{ + u32 ag = le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading); + return ag == BT_OFF; +} + +bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm, + enum ieee80211_band band) +{ + u32 bt_activity = + le32_to_cpu(mvm->last_bt_notif_old.bt_activity_grading); + + if (band != IEEE80211_BAND_2GHZ) + return false; + + return bt_activity >= BT_LOW_TRAFFIC; +} + +void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm) +{ + iwl_mvm_bt_coex_notif_handle(mvm); +} + +int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *dev_cmd) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + u32 ant_isolation = le32_to_cpup((void *)pkt->data); + u8 __maybe_unused lower_bound, upper_bound; + int ret; + u8 lut; + + struct iwl_bt_coex_cmd_old *bt_cmd; + struct iwl_host_cmd cmd = { + .id = BT_CONFIG, + .len = { sizeof(*bt_cmd), }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + + if (!IWL_MVM_BT_COEX_CORUNNING) + return 0; + + lockdep_assert_held(&mvm->mutex); + + /* Ignore updates if we are in force mode */ + if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS)) + return 0; + + if (ant_isolation == mvm->last_ant_isol) + return 0; + + for (lut = 0; lut < ARRAY_SIZE(antenna_coupling_ranges) - 1; lut++) + if (ant_isolation < antenna_coupling_ranges[lut + 1].range) + break; + + lower_bound = antenna_coupling_ranges[lut].range; + + if (lut < ARRAY_SIZE(antenna_coupling_ranges) - 1) + upper_bound = antenna_coupling_ranges[lut + 1].range; + else + upper_bound = antenna_coupling_ranges[lut].range; + + IWL_DEBUG_COEX(mvm, "Antenna isolation=%d in range [%d,%d[, lut=%d\n", + ant_isolation, lower_bound, upper_bound, lut); + + mvm->last_ant_isol = ant_isolation; + + if (mvm->last_corun_lut == lut) + return 0; + + mvm->last_corun_lut = lut; + + bt_cmd = kzalloc(sizeof(*bt_cmd), GFP_KERNEL); + if (!bt_cmd) + return 0; + cmd.data[0] = bt_cmd; + + bt_cmd->flags = cpu_to_le32(BT_COEX_NW_OLD); + bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_ENABLE | + BT_VALID_CORUN_LUT_20 | + BT_VALID_CORUN_LUT_40); + + /* For the moment, use the same LUT for 20GHz and 40GHz */ + memcpy(bt_cmd->bt4_corun_lut20, antenna_coupling_ranges[lut].lut20, + sizeof(bt_cmd->bt4_corun_lut20)); + + memcpy(bt_cmd->bt4_corun_lut40, antenna_coupling_ranges[lut].lut20, + sizeof(bt_cmd->bt4_corun_lut40)); + + ret = iwl_mvm_send_cmd(mvm, &cmd); + + kfree(bt_cmd); + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h index 51685693af2e..ca79f7160573 100644 --- a/drivers/net/wireless/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/iwlwifi/mvm/constants.h @@ -79,6 +79,8 @@ #define IWL_MVM_PS_SNOOZE_WINDOW 50 #define IWL_MVM_WOWLAN_PS_SNOOZE_WINDOW 25 #define IWL_MVM_LOWLAT_QUOTA_MIN_PERCENT 64 +#define IWL_MVM_BT_COEX_EN_RED_TXP_THRESH 62 +#define IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH 65 #define IWL_MVM_BT_COEX_SYNC2SCO 1 #define IWL_MVM_BT_COEX_CORUNNING 1 #define IWL_MVM_BT_COEX_MPLUT 1 diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index 29ca72695eaa..7d18f466fbb3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -146,17 +146,47 @@ static ssize_t iwl_dbgfs_fw_error_dump_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { - struct iwl_fw_error_dump_file *dump_file = file->private_data; + struct iwl_mvm_dump_ptrs *dump_ptrs = (void *)file->private_data; + ssize_t bytes_read = 0; + ssize_t bytes_read_trans = 0; + + if (*ppos < dump_ptrs->op_mode_len) + bytes_read += + simple_read_from_buffer(user_buf, count, ppos, + dump_ptrs->op_mode_ptr, + dump_ptrs->op_mode_len); + + if (bytes_read < 0 || *ppos < dump_ptrs->op_mode_len) + return bytes_read; + + if (dump_ptrs->trans_ptr) { + *ppos -= dump_ptrs->op_mode_len; + bytes_read_trans = + simple_read_from_buffer(user_buf + bytes_read, + count - bytes_read, ppos, + dump_ptrs->trans_ptr->data, + dump_ptrs->trans_ptr->len); + *ppos += dump_ptrs->op_mode_len; + + if (bytes_read_trans >= 0) + bytes_read += bytes_read_trans; + else if (!bytes_read) + /* propagate the failure */ + return bytes_read_trans; + } + + return bytes_read; - return simple_read_from_buffer(user_buf, count, ppos, - dump_file, - le32_to_cpu(dump_file->file_len)); } static int iwl_dbgfs_fw_error_dump_release(struct inode *inode, struct file *file) { - vfree(file->private_data); + struct iwl_mvm_dump_ptrs *dump_ptrs = (void *)file->private_data; + + vfree(dump_ptrs->op_mode_ptr); + vfree(dump_ptrs->trans_ptr); + kfree(dump_ptrs); return 0; } @@ -312,20 +342,69 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf, BT_MBOX_MSG(notif, _num, _field), \ true ? "\n" : ", "); -static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) +static +int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf, + int pos, int bufsz) { - struct iwl_mvm *mvm = file->private_data; - struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif; - char *buf; - int ret, pos = 0, bufsz = sizeof(char) * 1024; + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); - buf = kmalloc(bufsz, GFP_KERNEL); - if (!buf) - return -ENOMEM; + BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); + BT_MBOX_PRINT(0, LE_PROF1, false); + BT_MBOX_PRINT(0, LE_PROF2, false); + BT_MBOX_PRINT(0, LE_PROF_OTHER, false); + BT_MBOX_PRINT(0, CHL_SEQ_N, false); + BT_MBOX_PRINT(0, INBAND_S, false); + BT_MBOX_PRINT(0, LE_MIN_RSSI, false); + BT_MBOX_PRINT(0, LE_SCAN, false); + BT_MBOX_PRINT(0, LE_ADV, false); + BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false); + BT_MBOX_PRINT(0, OPEN_CON_1, true); - mutex_lock(&mvm->mutex); + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n"); + + BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false); + BT_MBOX_PRINT(1, IP_SR, false); + BT_MBOX_PRINT(1, LE_MSTR, false); + BT_MBOX_PRINT(1, AGGR_TRFC_LD, false); + BT_MBOX_PRINT(1, MSG_TYPE, false); + BT_MBOX_PRINT(1, SSN, true); + + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n"); + + BT_MBOX_PRINT(2, SNIFF_ACT, false); + BT_MBOX_PRINT(2, PAG, false); + BT_MBOX_PRINT(2, INQUIRY, false); + BT_MBOX_PRINT(2, CONN, false); + BT_MBOX_PRINT(2, SNIFF_INTERVAL, false); + BT_MBOX_PRINT(2, DISC, false); + BT_MBOX_PRINT(2, SCO_TX_ACT, false); + BT_MBOX_PRINT(2, SCO_RX_ACT, false); + BT_MBOX_PRINT(2, ESCO_RE_TX, false); + BT_MBOX_PRINT(2, SCO_DURATION, true); + + pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n"); + + BT_MBOX_PRINT(3, SCO_STATE, false); + BT_MBOX_PRINT(3, SNIFF_STATE, false); + BT_MBOX_PRINT(3, A2DP_STATE, false); + BT_MBOX_PRINT(3, ACL_STATE, false); + BT_MBOX_PRINT(3, MSTR_STATE, false); + BT_MBOX_PRINT(3, OBX_STATE, false); + BT_MBOX_PRINT(3, OPEN_CON_2, false); + BT_MBOX_PRINT(3, TRAFFIC_LOAD, false); + BT_MBOX_PRINT(3, CHL_SEQN_LSB, false); + BT_MBOX_PRINT(3, INBAND_P, false); + BT_MBOX_PRINT(3, MSG_TYPE_2, false); + BT_MBOX_PRINT(3, SSN_2, false); + BT_MBOX_PRINT(3, UPDATE_REQUEST, true); + + return pos; +} +static +int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif, + char *buf, int pos, int bufsz) +{ pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n"); BT_MBOX_PRINT(0, LE_SLAVE_LAT, false); @@ -378,25 +457,59 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, BT_MBOX_PRINT(3, SSN_2, false); BT_MBOX_PRINT(3, UPDATE_REQUEST, true); - pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n", - notif->bt_status); - pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n", - notif->bt_open_conn); - pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n", - notif->bt_traffic_load); - pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n", - notif->bt_agg_traffic_load); - pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", - notif->bt_ci_compliance); - pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", - le32_to_cpu(notif->primary_ch_lut)); - pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", - le32_to_cpu(notif->secondary_ch_lut)); - pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n", - le32_to_cpu(notif->bt_activity_grading)); - pos += scnprintf(buf+pos, bufsz-pos, - "antenna isolation = %d CORUN LUT index = %d\n", - mvm->last_ant_isol, mvm->last_corun_lut); + return pos; +} + +static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_mvm *mvm = file->private_data; + char *buf; + int ret, pos = 0, bufsz = sizeof(char) * 1024; + + buf = kmalloc(bufsz, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&mvm->mutex); + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + struct iwl_bt_coex_profile_notif_old *notif = + &mvm->last_bt_notif_old; + + pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz); + + pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", + notif->bt_ci_compliance); + pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", + le32_to_cpu(notif->primary_ch_lut)); + pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", + le32_to_cpu(notif->secondary_ch_lut)); + pos += scnprintf(buf+pos, + bufsz-pos, "bt_activity_grading = %d\n", + le32_to_cpu(notif->bt_activity_grading)); + pos += scnprintf(buf+pos, bufsz-pos, + "antenna isolation = %d CORUN LUT index = %d\n", + mvm->last_ant_isol, mvm->last_corun_lut); + } else { + struct iwl_bt_coex_profile_notif *notif = + &mvm->last_bt_notif; + + pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz); + + pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n", + notif->bt_ci_compliance); + pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n", + le32_to_cpu(notif->primary_ch_lut)); + pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n", + le32_to_cpu(notif->secondary_ch_lut)); + pos += scnprintf(buf+pos, + bufsz-pos, "bt_activity_grading = %d\n", + le32_to_cpu(notif->bt_activity_grading)); + pos += scnprintf(buf+pos, bufsz-pos, + "antenna isolation = %d CORUN LUT index = %d\n", + mvm->last_ant_isol, mvm->last_corun_lut); + } mutex_unlock(&mvm->mutex); @@ -411,28 +524,57 @@ static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct iwl_mvm *mvm = file->private_data; - struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; char buf[256]; int bufsz = sizeof(buf); int pos = 0; mutex_lock(&mvm->mutex); - pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n"); - pos += scnprintf(buf+pos, bufsz-pos, - "\tPrimary Channel Bitmap 0x%016llx Fat: %d\n", - le64_to_cpu(cmd->bt_primary_ci), - !!cmd->co_run_bw_primary); - pos += scnprintf(buf+pos, bufsz-pos, - "\tSecondary Channel Bitmap 0x%016llx Fat: %d\n", - le64_to_cpu(cmd->bt_secondary_ci), - !!cmd->co_run_bw_secondary); - - pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n"); - pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n", - iwl_bt_ack_kill_msk[mvm->bt_kill_msk]); - pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n", - iwl_bt_cts_kill_msk[mvm->bt_kill_msk]); + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) { + struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old; + + pos += scnprintf(buf+pos, bufsz-pos, + "Channel inhibition CMD\n"); + pos += scnprintf(buf+pos, bufsz-pos, + "\tPrimary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_primary_ci)); + pos += scnprintf(buf+pos, bufsz-pos, + "\tSecondary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_secondary_ci)); + + pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n"); + pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]); + pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]); + + } else { + struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd; + + pos += scnprintf(buf+pos, bufsz-pos, + "Channel inhibition CMD\n"); + pos += scnprintf(buf+pos, bufsz-pos, + "\tPrimary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_primary_ci)); + pos += scnprintf(buf+pos, bufsz-pos, + "\tSecondary Channel Bitmap 0x%016llx\n", + le64_to_cpu(cmd->bt_secondary_ci)); + + pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n"); + pos += scnprintf(buf+pos, bufsz-pos, + "\tPrimary: ACK Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]); + pos += scnprintf(buf+pos, bufsz-pos, + "\tPrimary: CTS Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]); + pos += scnprintf(buf+pos, bufsz-pos, + "\tSecondary: ACK Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[1]]); + pos += scnprintf(buf+pos, bufsz-pos, + "\tSecondary: CTS Kill Mask 0x%08x\n", + iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[1]]); + + } mutex_unlock(&mvm->mutex); @@ -455,6 +597,43 @@ iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf, return count; } +static ssize_t +iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf, + size_t count, loff_t *ppos) +{ + static const char * const modes_str[BT_FORCE_ANT_MAX] = { + [BT_FORCE_ANT_DIS] = "dis", + [BT_FORCE_ANT_AUTO] = "auto", + [BT_FORCE_ANT_BT] = "bt", + [BT_FORCE_ANT_WIFI] = "wifi", + }; + int ret, bt_force_ant_mode; + + for (bt_force_ant_mode = 0; + bt_force_ant_mode < ARRAY_SIZE(modes_str); + bt_force_ant_mode++) { + if (!strcmp(buf, modes_str[bt_force_ant_mode])) + break; + } + + if (bt_force_ant_mode >= ARRAY_SIZE(modes_str)) + return -EINVAL; + + ret = 0; + mutex_lock(&mvm->mutex); + if (mvm->bt_force_ant_mode == bt_force_ant_mode) + goto out; + + mvm->bt_force_ant_mode = bt_force_ant_mode; + IWL_DEBUG_COEX(mvm, "Force mode: %s\n", + modes_str[mvm->bt_force_ant_mode]); + ret = iwl_send_bt_init_conf(mvm); + +out: + mutex_unlock(&mvm->mutex); + return ret ?: count; +} + #define PRINT_STATS_LE32(_str, _val) \ pos += scnprintf(buf + pos, bufsz - pos, \ fmt_table, _str, \ @@ -690,8 +869,14 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf, static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf, size_t count, loff_t *ppos) { + int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI); + if (ret) + return ret; + iwl_force_nmi(mvm->trans); + iwl_mvm_unref(mvm, IWL_MVM_REF_NMI); + return count; } @@ -975,11 +1160,11 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf, } #endif -#define PRINT_MVM_REF(ref) do { \ - if (test_bit(ref, mvm->ref_bitmap)) \ - pos += scnprintf(buf + pos, bufsz - pos, \ - "\t(0x%lx) %s\n", \ - BIT(ref), #ref); \ +#define PRINT_MVM_REF(ref) do { \ + if (mvm->refs[ref]) \ + pos += scnprintf(buf + pos, bufsz - pos, \ + "\t(0x%lx): %d %s\n", \ + BIT(ref), mvm->refs[ref], #ref); \ } while (0) static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, @@ -987,12 +1172,17 @@ static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file, size_t count, loff_t *ppos) { struct iwl_mvm *mvm = file->private_data; - int pos = 0; + int i, pos = 0; char buf[256]; const size_t bufsz = sizeof(buf); + u32 refs = 0; + + for (i = 0; i < IWL_MVM_REF_COUNT; i++) + if (mvm->refs[i]) + refs |= BIT(i); - pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%lx\n", - mvm->ref_bitmap[0]); + pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n", + refs); PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN); PRINT_MVM_REF(IWL_MVM_REF_SCAN); @@ -1018,7 +1208,7 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf, mutex_lock(&mvm->mutex); - taken = test_bit(IWL_MVM_REF_USER, mvm->ref_bitmap); + taken = mvm->refs[IWL_MVM_REF_USER]; if (value == 1 && !taken) iwl_mvm_ref(mvm, IWL_MVM_REF_USER); else if (value == 0 && taken) @@ -1054,14 +1244,21 @@ iwl_dbgfs_prph_reg_read(struct file *file, int pos = 0; char buf[32]; const size_t bufsz = sizeof(buf); + int ret; if (!mvm->dbgfs_prph_reg_addr) return -EINVAL; + ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ); + if (ret) + return ret; + pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n", mvm->dbgfs_prph_reg_addr, iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr)); + iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ); + return simple_read_from_buffer(user_buf, count, ppos, buf, pos); } @@ -1071,6 +1268,7 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, { u8 args; u32 value; + int ret; args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value); /* if we only want to set the reg address - nothing more to do */ @@ -1081,7 +1279,13 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf, if (args != 2) return -EINVAL; + ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE); + if (ret) + return ret; + iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value); + + iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE); out: return count; } @@ -1101,6 +1305,7 @@ MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats); MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10); MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10); MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10); +MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10); MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8); MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8); @@ -1142,6 +1347,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir) MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR); MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR); MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR); + MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR); MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir, S_IWUSR | S_IRUSR); MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h index 5fe82c29c8ad..69875716dcdb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h @@ -72,10 +72,13 @@ * enum iwl_bt_coex_flags - flags for BT_COEX command * @BT_COEX_MODE_POS: * @BT_COEX_MODE_MSK: - * @BT_COEX_DISABLE: - * @BT_COEX_2W: - * @BT_COEX_3W: - * @BT_COEX_NW: + * @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: @@ -85,10 +88,13 @@ enum iwl_bt_coex_flags { BT_COEX_MODE_POS = 3, BT_COEX_MODE_MSK = BITS(3) << BT_COEX_MODE_POS, - BT_COEX_DISABLE = 0x0 << BT_COEX_MODE_POS, - BT_COEX_2W = 0x1 << BT_COEX_MODE_POS, - BT_COEX_3W = 0x2 << BT_COEX_MODE_POS, - BT_COEX_NW = 0x3 << 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), @@ -151,7 +157,7 @@ enum iwl_bt_coex_lut_type { #define BT_REDUCED_TX_POWER_BIT BIT(7) /** - * struct iwl_bt_coex_cmd - bt coex configuration command + * 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 @@ -176,7 +182,7 @@ enum iwl_bt_coex_lut_type { * * The structure is used for the BT_COEX command. */ -struct iwl_bt_coex_cmd { +struct iwl_bt_coex_cmd_old { __le32 flags; u8 max_kill; u8 bt_reduced_tx_power; @@ -202,26 +208,117 @@ struct iwl_bt_coex_cmd { __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, + BT_COEX_BT = 0x2, + BT_COEX_WIFI = 0x3, +}; /* BT_COEX_MODES_E */ + +enum iwl_bt_coex_enabled_modules { + BT_COEX_MPLUT_ENABLED = BIT(0), + BT_COEX_MPLUT_BOOST_ENABLED = BIT(1), + BT_COEX_SYNC2SCO_ENABLED = BIT(2), + BT_COEX_CORUN_ENABLED = BIT(3), + BT_COEX_HIGH_BAND_RET = BIT(4), +}; /* BT_COEX_MODULES_ENABLE_E_VER_1 */ + +/** + * struct iwl_bt_coex_cmd - bt coex configuration command + * @mode: enum %iwl_bt_coex_mode + * @enabled_modules: enum %iwl_bt_coex_enabled_modules + * @max_kill: max count of Tx retries due to kill from PTA + * @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_thr: antenna threshold value + * @bt4_tx_tx_delta_freq_thr: TxTx delta frequency + * @bt4_tx_rx_max_freq0: TxRx max frequency + * @multiprio_lut: multi priority LUT configuration + * @mplut_prio_boost: BT priority boost registers + * @decision_lut: PTA decision LUT, per Prio-Ch + * + * The structure is used for the BT_COEX command. + */ +struct iwl_bt_coex_cmd { + __le32 mode; + __le32 enabled_modules; + + __le32 max_kill; + __le32 override_primary_lut; + __le32 override_secondary_lut; + __le32 bt4_antenna_isolation_thr; + + __le32 bt4_tx_tx_delta_freq_thr; + __le32 bt4_tx_rx_max_freq0; + + __le32 multiprio_lut[BT_COEX_MULTI_PRIO_LUT_SIZE]; + __le32 mplut_prio_boost[BT_COEX_BOOST_SIZE]; + + __le32 decision_lut[BT_COEX_MAX_LUT][BT_COEX_LUT_SIZE]; +} __packed; /* BT_COEX_CMD_API_S_VER_6 */ + +/** + * struct iwl_bt_coex_corun_lut_update - bt coex update the corun lut + * @corun_lut20: co-running 20 MHz LUT configuration + * @corun_lut40: co-running 40 MHz LUT configuration + * + * The structure is used for the BT_COEX_UPDATE_CORUN_LUT command. + */ +struct iwl_bt_coex_corun_lut_update_cmd { + __le32 corun_lut20[BT_COEX_CORUN_LUT_SIZE]; + __le32 corun_lut40[BT_COEX_CORUN_LUT_SIZE]; +} __packed; /* BT_COEX_UPDATE_CORUN_LUT_API_S_VER_1 */ + +/** + * struct iwl_bt_coex_sw_boost - SW boost values + * @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. + */ +struct iwl_bt_coex_sw_boost { + __le32 wifi_tx_prio_boost; + __le32 wifi_rx_prio_boost; + __le32 kill_ack_msk; + __le32 kill_cts_msk; +}; + +/** + * struct iwl_bt_coex_sw_boost_update_cmd - command to update the SW boost + * @boost_values: check struct %iwl_bt_coex_sw_boost - one for each channel + * primary / secondary / low priority + */ +struct iwl_bt_coex_sw_boost_update_cmd { + struct iwl_bt_coex_sw_boost boost_values[3]; +} __packed; /* BT_COEX_UPDATE_SW_BOOST_S_VER_1 */ + +/** + * struct iwl_bt_coex_reduced_txp_update_cmd + * @reduced_txp: bit BT_REDUCED_TX_POWER_BIT to enable / disable, rest of the + * bits are the sta_id (value) + */ +struct iwl_bt_coex_reduced_txp_update_cmd { + __le32 reduced_txp; +} __packed; /* BT_COEX_UPDATE_REDUCED_TX_POWER_API_S_VER_1 */ + /** * struct iwl_bt_coex_ci_cmd - bt coex channel inhibition command * @bt_primary_ci: - * @bt_secondary_ci: - * @co_run_bw_primary: - * @co_run_bw_secondary: * @primary_ch_phy_id: + * @bt_secondary_ci: * @secondary_ch_phy_id: * * Used for BT_COEX_CI command */ struct iwl_bt_coex_ci_cmd { __le64 bt_primary_ci; - __le64 bt_secondary_ci; + __le32 primary_ch_phy_id; - 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 */ + __le64 bt_secondary_ci; + __le32 secondary_ch_phy_id; +} __packed; /* BT_CI_MSG_API_S_VER_2 */ #define BT_MBOX(n_dw, _msg, _pos, _nbits) \ BT_MBOX##n_dw##_##_msg##_POS = (_pos), \ @@ -288,35 +385,44 @@ enum iwl_bt_activity_grading { BT_ON_NO_CONNECTION = 1, BT_LOW_TRAFFIC = 2, BT_HIGH_TRAFFIC = 3, + + BT_MAX_AG, }; /* BT_COEX_BT_ACTIVITY_GRADING_API_E_VER_1 */ +enum iwl_bt_ci_compliance { + BT_CI_COMPLIANCE_NONE = 0, + BT_CI_COMPLIANCE_PRIMARY = 1, + BT_CI_COMPLIANCE_SECONDARY = 2, + BT_CI_COMPLIANCE_BOTH = 3, +}; /* BT_COEX_CI_COMPLIENCE_E_VER_1 */ + +#define IWL_COEX_IS_TTC_ON(_ttc_rrc_status, _phy_id) \ + (_ttc_rrc_status & BIT(_phy_id)) + +#define IWL_COEX_IS_RRC_ON(_ttc_rrc_status, _phy_id) \ + ((_ttc_rrc_status >> 4) & BIT(_phy_id)) + /** * struct iwl_bt_coex_profile_notif - 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_ci_compliance: enum %iwl_bt_ci_compliance + * @primary_ch_lut: LUT used for primary channel enum %iwl_bt_coex_lut_type + * @secondary_ch_lut: LUT used for secondary channel enume %iwl_bt_coex_lut_type * @bt_activity_grading: the activity of BT enum %iwl_bt_activity_grading + * @ttc_rrc_status: is TTC or RRC enabled - one bit per PHY */ struct iwl_bt_coex_profile_notif { __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 reserved[3]; + __le32 bt_ci_compliance; __le32 primary_ch_lut; __le32 secondary_ch_lut; __le32 bt_activity_grading; -} __packed; /* BT_COEX_PROFILE_NTFY_API_S_VER_3 */ + u8 ttc_rrc_status; + 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, @@ -355,4 +461,54 @@ 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; + __le16 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/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h index cbbcd8e284e4..c3a8c86b550d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h @@ -336,7 +336,7 @@ struct iwl_beacon_filter_cmd { #define IWL_BF_DEBUG_FLAG_D0I3 0 #define IWL_BF_ESCAPE_TIMER_DEFAULT 50 -#define IWL_BF_ESCAPE_TIMER_D0I3 1024 +#define IWL_BF_ESCAPE_TIMER_D0I3 0 #define IWL_BF_ESCAPE_TIMER_MAX 1024 #define IWL_BF_ESCAPE_TIMER_MIN 0 diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 6959fda3fe09..c02a9e45ec5e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -170,18 +170,12 @@ enum iwl_scan_type { }; /* SCAN_ACTIVITY_TYPE_E_VER_1 */ /** - * Maximal number of channels to scan - * it should be equal to: - * max(IWL_NUM_CHANNELS, IWL_NUM_CHANNELS_FAMILY_8000) - */ -#define MAX_NUM_SCAN_CHANNELS 50 - -/** * struct iwl_scan_cmd - scan request command * ( SCAN_REQUEST_CMD = 0x80 ) * @len: command length in bytes * @scan_flags: scan flags from SCAN_FLAGS_* - * @channel_count: num of channels in channel list (1 - MAX_NUM_SCAN_CHANNELS) + * @channel_count: num of channels in channel list + * (1 - ucode_capa.n_scan_channels) * @quiet_time: in msecs, dwell this time for active scan on quiet channels * @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than * this number of packets were received (typically 1) @@ -345,7 +339,7 @@ struct iwl_scan_results_notif { * @last_channel: last channel that was scanned * @tsf_low: TSF timer (lower half) in usecs * @tsf_high: TSF timer (higher half) in usecs - * @results: all scan results, only "scanned_channels" of them are valid + * @results: array of scan results, only "scanned_channels" of them are valid */ struct iwl_scan_complete_notif { u8 scanned_channels; @@ -354,11 +348,10 @@ struct iwl_scan_complete_notif { u8 last_channel; __le32 tsf_low; __le32 tsf_high; - struct iwl_scan_results_notif results[MAX_NUM_SCAN_CHANNELS]; + struct iwl_scan_results_notif results[]; } __packed; /* SCAN_COMPLETE_NTF_API_S_VER_2 */ /* scan offload */ -#define IWL_MAX_SCAN_CHANNELS 40 #define IWL_SCAN_MAX_BLACKLIST_LEN 64 #define IWL_SCAN_SHORT_BLACKLIST_LEN 16 #define IWL_SCAN_MAX_PROFILES 11 @@ -423,36 +416,24 @@ enum iwl_scan_offload_channel_flags { IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL = BIT(25), }; -/** - * iwl_scan_channel_cfg - SCAN_CHANNEL_CFG_S - * @type: bitmap - see enum iwl_scan_offload_channel_flags. - * 0: passive (0) or active (1) scan. - * 1-20: directed scan to i'th ssid. - * 22: channel width configuation - 1 for narrow. - * 24: full scan. - * 25: partial scan. - * @channel_number: channel number 1-13 etc. - * @iter_count: repetition count for the channel. - * @iter_interval: interval between two innteration on one channel. - * @dwell_time: entry 0 - active scan, entry 1 - passive scan. +/* channel configuration for struct iwl_scan_offload_cfg. Each channels needs: + * __le32 type: bitmap; bits 1-20 are for directed scan to i'th ssid and + * see enum iwl_scan_offload_channel_flags. + * __le16 channel_number: channel number 1-13 etc. + * __le16 iter_count: repetition count for the channel. + * __le32 iter_interval: interval between two innteration on one channel. + * u8 active_dwell. + * u8 passive_dwell. */ -struct iwl_scan_channel_cfg { - __le32 type[IWL_MAX_SCAN_CHANNELS]; - __le16 channel_number[IWL_MAX_SCAN_CHANNELS]; - __le16 iter_count[IWL_MAX_SCAN_CHANNELS]; - __le32 iter_interval[IWL_MAX_SCAN_CHANNELS]; - u8 dwell_time[IWL_MAX_SCAN_CHANNELS][2]; -} __packed; +#define IWL_SCAN_CHAN_SIZE 14 /** * iwl_scan_offload_cfg - SCAN_OFFLOAD_CONFIG_API_S * @scan_cmd: scan command fixed part - * @channel_cfg: scan channel configuration - * @data: probe request frames (one per band) + * @data: scan channel configuration and probe request frames */ struct iwl_scan_offload_cfg { struct iwl_scan_offload_cmd scan_cmd; - struct iwl_scan_channel_cfg channel_cfg; u8 data[0]; } __packed; @@ -528,7 +509,7 @@ struct iwl_scan_offload_profile_cfg { * @full_scan_mul: number of partial scans before each full scan */ struct iwl_scan_offload_schedule { - u16 delay; + __le16 delay; u8 iterations; u8 full_scan_mul; } __packed; @@ -601,4 +582,211 @@ struct iwl_sched_scan_results { u8 reserved; }; +/* Unified LMAC scan API */ + +#define IWL_MVM_BASIC_PASSIVE_DWELL 110 + +/** + * iwl_scan_req_tx_cmd - SCAN_REQ_TX_CMD_API_S + * @tx_flags: combination of TX_CMD_FLG_* + * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is + * cleared. Combination of RATE_MCS_* + * @sta_id: index of destination station in FW station table + * @reserved: for alignment and future use + */ +struct iwl_scan_req_tx_cmd { + __le32 tx_flags; + __le32 rate_n_flags; + u8 sta_id; + u8 reserved[3]; +} __packed; + +enum iwl_scan_channel_flags_lmac { + IWL_UNIFIED_SCAN_CHANNEL_FULL = BIT(27), + IWL_UNIFIED_SCAN_CHANNEL_PARTIAL = BIT(28), +}; + +/** + * iwl_scan_channel_cfg_lmac - SCAN_CHANNEL_CFG_S_VER2 + * @flags: bits 1-20: directed scan to i'th ssid + * other bits &enum iwl_scan_channel_flags_lmac + * @channel_number: channel number 1-13 etc + * @iter_count: scan iteration on this channel + * @iter_interval: interval in seconds between iterations on one channel + */ +struct iwl_scan_channel_cfg_lmac { + __le32 flags; + __le16 channel_num; + __le16 iter_count; + __le32 iter_interval; +} __packed; + +/* + * iwl_scan_probe_segment - PROBE_SEGMENT_API_S_VER_1 + * @offset: offset in the data block + * @len: length of the segment + */ +struct iwl_scan_probe_segment { + __le16 offset; + __le16 len; +} __packed; + +/* iwl_scan_probe_req - PROBE_REQUEST_FRAME_API_S_VER_2 + * @mac_header: first (and common) part of the probe + * @band_data: band specific data + * @common_data: last (and common) part of the probe + * @buf: raw data block + */ +struct iwl_scan_probe_req { + struct iwl_scan_probe_segment mac_header; + struct iwl_scan_probe_segment band_data[2]; + struct iwl_scan_probe_segment common_data; + u8 buf[SCAN_OFFLOAD_PROBE_REQ_SIZE]; +} __packed; + +enum iwl_scan_channel_flags { + IWL_SCAN_CHANNEL_FLAG_EBS = BIT(0), + IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE = BIT(1), + IWL_SCAN_CHANNEL_FLAG_CACHE_ADD = BIT(2), +}; + +/* iwl_scan_channel_opt - CHANNEL_OPTIMIZATION_API_S + * @flags: enum iwl_scan_channel_flgs + * @non_ebs_ratio: how many regular scan iteration before EBS + */ +struct iwl_scan_channel_opt { + __le16 flags; + __le16 non_ebs_ratio; +} __packed; + +/** + * iwl_mvm_lmac_scan_flags + * @IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL: pass all beacons and probe responses + * without filtering. + * @IWL_MVM_LMAC_SCAN_FLAG_PASSIVE: force passive scan on all channels + * @IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION: single channel scan + * @IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE: send iteration complete notification + * @IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS multiple SSID matching + * @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented + */ +enum iwl_mvm_lmac_scan_flags { + IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL = BIT(0), + IWL_MVM_LMAC_SCAN_FLAG_PASSIVE = BIT(1), + IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION = BIT(2), + IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE = BIT(3), + IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS = BIT(4), + IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED = BIT(5), +}; + +enum iwl_scan_priority { + IWL_SCAN_PRIORITY_LOW, + IWL_SCAN_PRIORITY_MEDIUM, + IWL_SCAN_PRIORITY_HIGH, +}; + +/** + * iwl_scan_req_unified_lmac - SCAN_REQUEST_CMD_API_S_VER_1 + * @reserved1: for alignment and future use + * @channel_num: num of channels to scan + * @active-dwell: dwell time for active channels + * @passive-dwell: dwell time for passive channels + * @fragmented-dwell: dwell time for fragmented passive scan + * @reserved2: for alignment and future use + * @rx_chain_selct: PHY_RX_CHAIN_* flags + * @scan_flags: &enum iwl_mvm_lmac_scan_flags + * @max_out_time: max time (in TU) to be out of associated channel + * @suspend_time: pause scan this long (TUs) when returning to service channel + * @flags: RXON flags + * @filter_flags: RXON filter + * @tx_cmd: tx command for active scan; for 2GHz and for 5GHz + * @direct_scan: list of SSIDs for directed active scan + * @scan_prio: enum iwl_scan_priority + * @iter_num: number of scan iterations + * @delay: delay in seconds before first iteration + * @schedule: two scheduling plans. The first one is finite, the second one can + * be infinite. + * @channel_opt: channel optimization options, for full and partial scan + * @data: channel configuration and probe request packet. + */ +struct iwl_scan_req_unified_lmac { + /* SCAN_REQUEST_FIXED_PART_API_S_VER_7 */ + __le32 reserved1; + u8 n_channels; + u8 active_dwell; + u8 passive_dwell; + u8 fragmented_dwell; + __le16 reserved2; + __le16 rx_chain_select; + __le32 scan_flags; + __le32 max_out_time; + __le32 suspend_time; + /* RX_ON_FLAGS_API_S_VER_1 */ + __le32 flags; + __le32 filter_flags; + struct iwl_scan_req_tx_cmd tx_cmd[2]; + struct iwl_ssid_ie direct_scan[PROBE_OPTION_MAX]; + __le32 scan_prio; + /* SCAN_REQ_PERIODIC_PARAMS_API_S */ + __le32 iter_num; + __le32 delay; + struct iwl_scan_offload_schedule schedule[2]; + struct iwl_scan_channel_opt channel_opt[2]; + u8 data[]; +} __packed; + +/** + * struct iwl_lmac_scan_results_notif - scan results for one channel - + * SCAN_RESULT_NTF_API_S_VER_3 + * @channel: which channel the results are from + * @band: 0 for 5.2 GHz, 1 for 2.4 GHz + * @probe_status: SCAN_PROBE_STATUS_*, indicates success of probe request + * @num_probe_not_sent: # of request that weren't sent due to not enough time + * @duration: duration spent in channel, in usecs + */ +struct iwl_lmac_scan_results_notif { + u8 channel; + u8 band; + u8 probe_status; + u8 num_probe_not_sent; + __le32 duration; +} __packed; + +/** + * struct iwl_lmac_scan_complete_notif - notifies end of scanning (all channels) + * SCAN_COMPLETE_NTF_API_S_VER_3 + * @scanned_channels: number of channels scanned (and number of valid results) + * @status: one of SCAN_COMP_STATUS_* + * @bt_status: BT on/off status + * @last_channel: last channel that was scanned + * @tsf_low: TSF timer (lower half) in usecs + * @tsf_high: TSF timer (higher half) in usecs + * @results: an array of scan results, only "scanned_channels" of them are valid + */ +struct iwl_lmac_scan_complete_notif { + u8 scanned_channels; + u8 status; + u8 bt_status; + u8 last_channel; + __le32 tsf_low; + __le32 tsf_high; + struct iwl_scan_results_notif results[]; +} __packed; + +/** + * iwl_scan_offload_complete - PERIODIC_SCAN_COMPLETE_NTF_API_S_VER_2 + * @last_schedule_line: last schedule line executed (fast or regular) + * @last_schedule_iteration: last scan iteration executed before scan abort + * @status: enum iwl_scan_offload_complete_status + * @ebs_status: EBS success status &enum iwl_scan_ebs_status + * @time_after_last_iter; time in seconds elapsed after last iteration + */ +struct iwl_periodic_scan_complete { + u8 last_schedule_line; + u8 last_schedule_iteration; + u8 status; + u8 ebs_status; + __le32 time_after_last_iter; + __le32 reserved; +} __packed; + #endif diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h index 39cebee8016f..47bd0406355d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h @@ -67,7 +67,7 @@ * enum iwl_sta_flags - flags for the ADD_STA host command * @STA_FLG_REDUCED_TX_PWR_CTRL: * @STA_FLG_REDUCED_TX_PWR_DATA: - * @STA_FLG_FLG_ANT_MSK: Antenna selection + * @STA_FLG_DISABLE_TX: set if TX should be disabled * @STA_FLG_PS: set if STA is in Power Save * @STA_FLG_INVALID: set if STA is invalid * @STA_FLG_DLP_EN: Direct Link Protocol is enabled @@ -91,10 +91,7 @@ enum iwl_sta_flags { STA_FLG_REDUCED_TX_PWR_CTRL = BIT(3), STA_FLG_REDUCED_TX_PWR_DATA = BIT(6), - STA_FLG_FLG_ANT_A = (1 << 4), - STA_FLG_FLG_ANT_B = (2 << 4), - STA_FLG_FLG_ANT_MSK = (STA_FLG_FLG_ANT_A | - STA_FLG_FLG_ANT_B), + STA_FLG_DISABLE_TX = BIT(4), STA_FLG_PS = BIT(8), STA_FLG_DRAIN_FLOW = BIT(12), diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h index 6cc5f52b807f..d6073f67b212 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h @@ -69,10 +69,8 @@ * @TX_CMD_FLG_ACK: expect ACK from receiving station * @TX_CMD_FLG_STA_RATE: use RS table with initial index from the TX command. * Otherwise, use rate_n_flags from the TX command - * @TX_CMD_FLG_BA: this frame is a block ack * @TX_CMD_FLG_BAR: this frame is a BA request, immediate BAR is expected * Must set TX_CMD_FLG_ACK with this flag. - * @TX_CMD_FLG_TXOP_PROT: protect frame with full TXOP protection * @TX_CMD_FLG_VHT_NDPA: mark frame is NDPA for VHT beamformer sequence * @TX_CMD_FLG_HT_NDPA: mark frame is NDPA for HT beamformer sequence * @TX_CMD_FLG_CSI_FDBK2HOST: mark to send feedback to host (only if good CRC) @@ -82,12 +80,10 @@ * @TX_CMD_FLG_SEQ_CTL: set if FW should override the sequence control. * Should be set for mgmt, non-QOS data, mcast, bcast and in scan command * @TX_CMD_FLG_MORE_FRAG: this frame is non-last MPDU - * @TX_CMD_FLG_NEXT_FRAME: this frame includes information of the next frame * @TX_CMD_FLG_TSF: FW should calculate and insert TSF in the frame * Should be set for beacons and probe responses * @TX_CMD_FLG_CALIB: activate PA TX power calibrations * @TX_CMD_FLG_KEEP_SEQ_CTL: if seq_ctl is set, don't increase inner seq count - * @TX_CMD_FLG_AGG_START: allow this frame to start aggregation * @TX_CMD_FLG_MH_PAD: driver inserted 2 byte padding after MAC header. * Should be set for 26/30 length MAC headers * @TX_CMD_FLG_RESP_TO_DRV: zero this if the response should go only to FW @@ -103,7 +99,6 @@ enum iwl_tx_flags { TX_CMD_FLG_PROT_REQUIRE = BIT(0), TX_CMD_FLG_ACK = BIT(3), TX_CMD_FLG_STA_RATE = BIT(4), - TX_CMD_FLG_BA = BIT(5), TX_CMD_FLG_BAR = BIT(6), TX_CMD_FLG_TXOP_PROT = BIT(7), TX_CMD_FLG_VHT_NDPA = BIT(8), @@ -113,11 +108,9 @@ enum iwl_tx_flags { TX_CMD_FLG_BT_DIS = BIT(12), TX_CMD_FLG_SEQ_CTL = BIT(13), TX_CMD_FLG_MORE_FRAG = BIT(14), - TX_CMD_FLG_NEXT_FRAME = BIT(15), TX_CMD_FLG_TSF = BIT(16), TX_CMD_FLG_CALIB = BIT(17), TX_CMD_FLG_KEEP_SEQ_CTL = BIT(18), - TX_CMD_FLG_AGG_START = BIT(19), TX_CMD_FLG_MH_PAD = BIT(20), TX_CMD_FLG_RESP_TO_DRV = BIT(21), TX_CMD_FLG_CCMP_AGG = BIT(22), @@ -191,8 +184,6 @@ enum iwl_tx_flags { * struct iwl_tx_cmd - TX command struct to FW * ( TX_CMD = 0x1c ) * @len: in bytes of the payload, see below for details - * @next_frame_len: same as len, but for next frame (0 if not applicable) - * Used for fragmentation and bursting, but not in 11n aggregation. * @tx_flags: combination of TX_CMD_FLG_* * @rate_n_flags: rate for *all* Tx attempts, if TX_CMD_FLG_STA_RATE_MSK is * cleared. Combination of RATE_MCS_* @@ -210,8 +201,6 @@ enum iwl_tx_flags { * @data_retry_limit: max attempts to send the data packet * @tid_spec: TID/tspec * @pm_frame_timeout: PM TX frame timeout - * @driver_txop: duration od EDCA TXOP, in 32-usec units. Set this if not - * specified by HCCA protocol * * The byte count (both len and next_frame_len) includes MAC header * (24/26/30/32 bytes) @@ -241,8 +230,7 @@ struct iwl_tx_cmd { u8 initial_rate_index; u8 reserved2; u8 key[16]; - __le16 next_frame_flags; - __le16 reserved3; + __le32 reserved3; __le32 life_time; __le32 dram_lsb_ptr; u8 dram_msb_ptr; @@ -250,7 +238,7 @@ struct iwl_tx_cmd { u8 data_retry_limit; u8 tid_tspec; __le16 pm_frame_timeout; - __le16 driver_txop; + __le16 reserved4; u8 payload[0]; struct ieee80211_hdr hdr[0]; } __packed; /* TX_CMD_API_S_VER_3 */ @@ -549,6 +537,20 @@ struct iwl_beacon_notif { } __packed; /** + * struct iwl_extended_beacon_notif - notifies about beacon transmission + * @beacon_notify_hdr: tx response command associated with the beacon + * @tsf: last beacon tsf + * @ibss_mgr_status: whether IBSS is manager + * @gp2: last beacon time in gp2 + */ +struct iwl_extended_beacon_notif { + struct iwl_mvm_tx_resp beacon_notify_hdr; + __le64 tsf; + __le32 ibss_mgr_status; + __le32 gp2; +} __packed; /* BEACON_NTFY_API_S_VER_5 */ + +/** * enum iwl_dump_control - dump (flush) control flags * @DUMP_TX_FIFO_FLUSH: Dump MSDUs until the the FIFO is empty * and the TFD queues are empty. diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 309a9b9a94fe..95f5b3274efb 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -86,6 +86,8 @@ enum { #define IWL_MVM_STATION_COUNT 16 +#define IWL_MVM_TDLS_STA_COUNT 4 + /* commands */ enum { MVM_ALIVE = 0x1, @@ -131,10 +133,12 @@ enum { /* Scan offload */ SCAN_OFFLOAD_REQUEST_CMD = 0x51, SCAN_OFFLOAD_ABORT_CMD = 0x52, + HOT_SPOT_CMD = 0x53, SCAN_OFFLOAD_COMPLETE = 0x6D, SCAN_OFFLOAD_UPDATE_PROFILES_CMD = 0x6E, SCAN_OFFLOAD_CONFIG_CMD = 0x6f, MATCH_FOUND_NOTIFICATION = 0xd9, + SCAN_ITERATION_COMPLETE = 0xe7, /* Phy */ PHY_CONFIGURATION_CMD = 0x6a, @@ -163,7 +167,6 @@ enum { BEACON_NOTIFICATION = 0x90, BEACON_TEMPLATE_CMD = 0x91, TX_ANT_CONFIGURATION_CMD = 0x98, - BT_CONFIG = 0x9b, STATISTICS_NOTIFICATION = 0x9d, EOSP_NOTIFICATION = 0x9e, REDUCE_TX_POWER_CMD = 0x9f, @@ -185,6 +188,10 @@ enum { BT_COEX_PRIO_TABLE = 0xcc, BT_COEX_PROT_ENV = 0xcd, BT_PROFILE_NOTIFICATION = 0xce, + BT_CONFIG = 0x9b, + BT_COEX_UPDATE_SW_BOOST = 0x5a, + BT_COEX_UPDATE_CORUN_LUT = 0x5b, + BT_COEX_UPDATE_REDUCED_TXP = 0x5c, BT_COEX_CI = 0x5d, REPLY_SF_CFG_CMD = 0xd1, @@ -534,6 +541,9 @@ enum iwl_time_event_type { /* WiDi Sync Events */ TE_WIDI_TX_SYNC, + /* Channel Switch NoA */ + TE_P2P_GO_CSA_NOA, + TE_MAX }; /* MAC_EVENT_TYPE_API_E_VER_1 */ @@ -901,6 +911,72 @@ struct iwl_phy_context_cmd { __le32 dsp_cfg_flags; } __packed; /* PHY_CONTEXT_CMD_API_VER_1 */ +/* + * Aux ROC command + * + * Command requests the firmware to create a time event for a certain duration + * and remain on the given channel. This is done by using the Aux framework in + * the FW. + * The command was first used for Hot Spot issues - but can be used regardless + * to Hot Spot. + * + * ( HOT_SPOT_CMD 0x53 ) + * + * @id_and_color: ID and color of the MAC + * @action: action to perform, one of FW_CTXT_ACTION_* + * @event_unique_id: If the action FW_CTXT_ACTION_REMOVE then the + * event_unique_id should be the id of the time event assigned by ucode. + * Otherwise ignore the event_unique_id. + * @sta_id_and_color: station id and color, resumed during "Remain On Channel" + * activity. + * @channel_info: channel info + * @node_addr: Our MAC Address + * @reserved: reserved for alignment + * @apply_time: GP2 value to start (should always be the current GP2 value) + * @apply_time_max_delay: Maximum apply time delay value in TU. Defines max + * time by which start of the event is allowed to be postponed. + * @duration: event duration in TU To calculate event duration: + * timeEventDuration = min(duration, remainingQuota) + */ +struct iwl_hs20_roc_req { + /* COMMON_INDEX_HDR_API_S_VER_1 hdr */ + __le32 id_and_color; + __le32 action; + __le32 event_unique_id; + __le32 sta_id_and_color; + struct iwl_fw_channel_info channel_info; + u8 node_addr[ETH_ALEN]; + __le16 reserved; + __le32 apply_time; + __le32 apply_time_max_delay; + __le32 duration; +} __packed; /* HOT_SPOT_CMD_API_S_VER_1 */ + +/* + * values for AUX ROC result values + */ +enum iwl_mvm_hot_spot { + HOT_SPOT_RSP_STATUS_OK, + HOT_SPOT_RSP_STATUS_TOO_MANY_EVENTS, + HOT_SPOT_MAX_NUM_OF_SESSIONS, +}; + +/* + * Aux ROC command response + * + * In response to iwl_hs20_roc_req the FW sends this command to notify the + * driver the uid of the timevent. + * + * ( HOT_SPOT_CMD 0x53 ) + * + * @event_unique_id: Unique ID of time event assigned by ucode + * @status: Return status 0 is success, all the rest used for specific errors + */ +struct iwl_hs20_roc_res { + __le32 event_unique_id; + __le32 status; +} __packed; /* HOT_SPOT_RSP_API_S_VER_1 */ + #define IWL_RX_INFO_PHY_CNT 8 #define IWL_RX_INFO_ENERGY_ANT_ABC_IDX 1 #define IWL_RX_INFO_ENERGY_ANT_A_MSK 0x000000ff diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 8b79081d4885..0e523e28cabf 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -67,6 +67,7 @@ #include "iwl-prph.h" #include "fw-api.h" #include "mvm.h" +#include "time-event.h" const u8 iwl_mvm_ac_to_tx_fifo[] = { IWL_MVM_TX_FIFO_VO, @@ -903,7 +904,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, struct iwl_mac_beacon_cmd beacon_cmd = {}; struct ieee80211_tx_info *info; u32 beacon_skb_len; - u32 rate; + u32 rate, tx_flags; if (WARN_ON(!beacon)) return -EINVAL; @@ -913,14 +914,17 @@ 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); + 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); - beacon_cmd.tx.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | - TX_CMD_FLG_BT_DIS | - TX_CMD_FLG_TSF); + 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); mvm->mgmt_last_antenna_idx = iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant, @@ -930,8 +934,6 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, cpu_to_le32(BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS); - info = IEEE80211_SKB_CB(beacon); - if (info->band == IEEE80211_BAND_5GHZ || vif->p2p) { rate = IWL_FIRST_OFDM_RATE; } else { @@ -968,7 +970,7 @@ int iwl_mvm_mac_ctxt_beacon_changed(struct iwl_mvm *mvm, WARN_ON(vif->type != NL80211_IFTYPE_AP && vif->type != NL80211_IFTYPE_ADHOC); - beacon = ieee80211_beacon_get(mvm->hw, vif); + beacon = ieee80211_beacon_get_template(mvm->hw, vif, NULL); if (!beacon) return -ENOMEM; @@ -1210,31 +1212,94 @@ int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif) return 0; } +static void iwl_mvm_csa_count_down(struct iwl_mvm *mvm, + struct ieee80211_vif *csa_vif, u32 gp2) +{ + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(csa_vif); + + if (!ieee80211_csa_is_complete(csa_vif)) { + int c = ieee80211_csa_update_counter(csa_vif); + + iwl_mvm_mac_ctxt_beacon_changed(mvm, csa_vif); + if (csa_vif->p2p && + !iwl_mvm_te_scheduled(&mvmvif->time_event_data) && gp2) { + u32 rel_time = (c + 1) * + csa_vif->bss_conf.beacon_int - + IWL_MVM_CHANNEL_SWITCH_TIME; + u32 apply_time = gp2 + rel_time * 1024; + + iwl_mvm_schedule_csa_noa(mvm, csa_vif, + IWL_MVM_CHANNEL_SWITCH_TIME - + IWL_MVM_CHANNEL_SWITCH_MARGIN, + apply_time); + } + } else if (!iwl_mvm_te_scheduled(&mvmvif->time_event_data)) { + /* we don't have CSA NoA scheduled yet, switch now */ + ieee80211_csa_finish(csa_vif); + RCU_INIT_POINTER(mvm->csa_vif, NULL); + } +} + int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_beacon_notif *beacon = (void *)pkt->data; - u16 status __maybe_unused = - le16_to_cpu(beacon->beacon_notify_hdr.status.status); - u32 rate __maybe_unused = - le32_to_cpu(beacon->beacon_notify_hdr.initial_rate); + struct iwl_mvm_tx_resp *beacon_notify_hdr; + struct ieee80211_vif *csa_vif; + struct ieee80211_vif *tx_blocked_vif; + u64 tsf; lockdep_assert_held(&mvm->mutex); - IWL_DEBUG_RX(mvm, "beacon status %#x retries:%d tsf:0x%16llX rate:%d\n", - status & TX_STATUS_MSK, - beacon->beacon_notify_hdr.failure_frame, - le64_to_cpu(beacon->tsf), - rate); + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_CAPA_EXTENDED_BEACON) { + struct iwl_extended_beacon_notif *beacon = (void *)pkt->data; - if (unlikely(mvm->csa_vif && mvm->csa_vif->csa_active)) { - if (!ieee80211_csa_is_complete(mvm->csa_vif)) { - iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm->csa_vif); - } else { - ieee80211_csa_finish(mvm->csa_vif); - mvm->csa_vif = NULL; + beacon_notify_hdr = &beacon->beacon_notify_hdr; + tsf = le64_to_cpu(beacon->tsf); + mvm->ap_last_beacon_gp2 = le32_to_cpu(beacon->gp2); + } else { + struct iwl_beacon_notif *beacon = (void *)pkt->data; + + beacon_notify_hdr = &beacon->beacon_notify_hdr; + tsf = le64_to_cpu(beacon->tsf); + } + + IWL_DEBUG_RX(mvm, + "beacon status %#x retries:%d tsf:0x%16llX gp2:0x%X rate:%d\n", + le16_to_cpu(beacon_notify_hdr->status.status) & + TX_STATUS_MSK, + beacon_notify_hdr->failure_frame, tsf, + mvm->ap_last_beacon_gp2, + le32_to_cpu(beacon_notify_hdr->initial_rate)); + + csa_vif = rcu_dereference_protected(mvm->csa_vif, + lockdep_is_held(&mvm->mutex)); + if (unlikely(csa_vif && csa_vif->csa_active)) + iwl_mvm_csa_count_down(mvm, csa_vif, mvm->ap_last_beacon_gp2); + + tx_blocked_vif = rcu_dereference_protected(mvm->csa_tx_blocked_vif, + lockdep_is_held(&mvm->mutex)); + if (unlikely(tx_blocked_vif)) { + struct iwl_mvm_vif *mvmvif = + iwl_mvm_vif_from_mac80211(tx_blocked_vif); + + /* + * The channel switch is started and we have blocked the + * stations. If this is the first beacon (the timeout wasn't + * set), set the unblock timeout, otherwise countdown + */ + if (!mvm->csa_tx_block_bcn_timeout) + mvm->csa_tx_block_bcn_timeout = + IWL_MVM_CS_UNBLOCK_TX_TIMEOUT; + else + mvm->csa_tx_block_bcn_timeout--; + + /* Check if the timeout is expired, and unblock tx */ + if (mvm->csa_tx_block_bcn_timeout == 0) { + iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, false); + RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); } } diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 98556d03c1ed..0d6a8b768a68 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -80,6 +80,8 @@ #include "fw-api-scan.h" #include "iwl-phy-db.h" #include "testmode.h" +#include "iwl-fw-error-dump.h" +#include "iwl-prph.h" static const struct ieee80211_iface_limit iwl_mvm_limits[] = { { @@ -209,7 +211,9 @@ void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) return; IWL_DEBUG_RPM(mvm, "Take mvm reference - type %d\n", ref_type); - WARN_ON(test_and_set_bit(ref_type, mvm->ref_bitmap)); + spin_lock_bh(&mvm->refs_lock); + mvm->refs[ref_type]++; + spin_unlock_bh(&mvm->refs_lock); iwl_trans_ref(mvm->trans); } @@ -219,26 +223,47 @@ void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) return; IWL_DEBUG_RPM(mvm, "Leave mvm reference - type %d\n", ref_type); - WARN_ON(!test_and_clear_bit(ref_type, mvm->ref_bitmap)); + spin_lock_bh(&mvm->refs_lock); + WARN_ON(!mvm->refs[ref_type]--); + spin_unlock_bh(&mvm->refs_lock); iwl_trans_unref(mvm->trans); } -static void -iwl_mvm_unref_all_except(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref) +static void iwl_mvm_unref_all_except(struct iwl_mvm *mvm, + enum iwl_mvm_ref_type except_ref) { - int i; + int i, j; if (!iwl_mvm_is_d0i3_supported(mvm)) return; - for_each_set_bit(i, mvm->ref_bitmap, IWL_MVM_REF_COUNT) { - if (ref == i) + spin_lock_bh(&mvm->refs_lock); + for (i = 0; i < IWL_MVM_REF_COUNT; i++) { + if (except_ref == i || !mvm->refs[i]) continue; - IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d\n", i); - clear_bit(i, mvm->ref_bitmap); - iwl_trans_unref(mvm->trans); + IWL_DEBUG_RPM(mvm, "Cleanup: remove mvm ref type %d (%d)\n", + i, mvm->refs[i]); + for (j = 0; j < mvm->refs[i]; j++) + iwl_trans_unref(mvm->trans); + mvm->refs[i] = 0; + } + spin_unlock_bh(&mvm->refs_lock); +} + +int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type) +{ + iwl_mvm_ref(mvm, ref_type); + + if (!wait_event_timeout(mvm->d0i3_exit_waitq, + !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), + HZ)) { + WARN_ON_ONCE(1); + iwl_mvm_unref(mvm, ref_type); + return -EIO; } + + return 0; } static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm) @@ -276,6 +301,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_TIMING_BEACON_ONLY | IEEE80211_HW_CONNECTION_MONITOR | + IEEE80211_HW_CHANCTX_STA_CSA | IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS | IEEE80211_HW_SUPPORTS_STATIC_SMPS; @@ -303,6 +329,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP; } + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) + hw->flags |= IEEE80211_SINGLE_HW_SCAN_ON_ALL_BANDS; + hw->sta_data_size = sizeof(struct iwl_mvm_sta); hw->vif_data_size = sizeof(struct iwl_mvm_vif); hw->chanctx_data_size = sizeof(u16); @@ -374,6 +403,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->max_sched_scan_ie_len = SCAN_OFFLOAD_PROBE_REQ_SIZE - 24 - 2; hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | + NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS; mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; @@ -549,9 +579,6 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: case IEEE80211_AMPDU_TX_OPERATIONAL: - iwl_mvm_ref(mvm, IWL_MVM_REF_TX_AGG); - tx_agg_ref = true; - /* * for tx start, wait synchronously until D0i3 exit to * get the correct sequence number for the tid. @@ -560,12 +587,11 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw, * by the trans layer (unlike commands), so wait for * d0i3 exit in these cases as well. */ - if (!wait_event_timeout(mvm->d0i3_exit_waitq, - !test_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status), HZ)) { - WARN_ON_ONCE(1); - iwl_mvm_unref(mvm, IWL_MVM_REF_TX_AGG); - return -EIO; - } + ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_TX_AGG); + if (ret) + return ret; + + tx_agg_ref = true; break; default: break; @@ -635,8 +661,106 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac, spin_unlock_bh(&mvm->time_event_lock); mvmvif->phy_ctxt = NULL; + memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data)); } +#ifdef CONFIG_IWLWIFI_DEBUGFS +static void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) +{ + struct iwl_fw_error_dump_file *dump_file; + struct iwl_fw_error_dump_data *dump_data; + struct iwl_fw_error_dump_info *dump_info; + struct iwl_mvm_dump_ptrs *fw_error_dump; + const struct fw_img *img; + u32 sram_len, sram_ofs; + u32 file_len, rxf_len; + unsigned long flags; + int reg_val; + + lockdep_assert_held(&mvm->mutex); + + if (mvm->fw_error_dump) + return; + + fw_error_dump = kzalloc(sizeof(*mvm->fw_error_dump), GFP_KERNEL); + if (!fw_error_dump) + return; + + img = &mvm->fw->img[mvm->cur_ucode]; + sram_ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; + sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; + + /* reading buffer size */ + reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR); + rxf_len = (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS; + + /* the register holds the value divided by 128 */ + rxf_len = rxf_len << 7; + + file_len = sizeof(*dump_file) + + sizeof(*dump_data) * 3 + + sram_len + + rxf_len + + sizeof(*dump_info); + + dump_file = vzalloc(file_len); + if (!dump_file) { + kfree(fw_error_dump); + return; + } + + fw_error_dump->op_mode_ptr = dump_file; + + dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); + dump_data = (void *)dump_file->data; + + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_DEV_FW_INFO); + dump_data->len = cpu_to_le32(sizeof(*dump_info)); + dump_info = (void *) dump_data->data; + dump_info->device_family = + mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000 ? + cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_7) : + cpu_to_le32(IWL_FW_ERROR_DUMP_FAMILY_8); + memcpy(dump_info->fw_human_readable, mvm->fw->human_readable, + sizeof(dump_info->fw_human_readable)); + strncpy(dump_info->dev_human_readable, mvm->cfg->name, + sizeof(dump_info->dev_human_readable)); + strncpy(dump_info->bus_human_readable, mvm->dev->bus->name, + sizeof(dump_info->bus_human_readable)); + + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); + dump_data->len = cpu_to_le32(rxf_len); + + if (iwl_trans_grab_nic_access(mvm->trans, false, &flags)) { + u32 *rxf = (void *)dump_data->data; + int i; + + for (i = 0; i < (rxf_len / sizeof(u32)); i++) { + iwl_trans_write_prph(mvm->trans, + RXF_LD_FENCE_OFFSET_ADDR, + i * sizeof(u32)); + rxf[i] = iwl_trans_read_prph(mvm->trans, + RXF_FIFO_RD_FENCE_ADDR); + } + iwl_trans_release_nic_access(mvm->trans, &flags); + } + + dump_data = iwl_fw_error_next_data(dump_data); + dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM); + dump_data->len = cpu_to_le32(sram_len); + iwl_trans_read_mem_bytes(mvm->trans, sram_ofs, dump_data->data, + sram_len); + + fw_error_dump->trans_ptr = iwl_trans_dump_data(mvm->trans); + fw_error_dump->op_mode_len = file_len; + if (fw_error_dump->trans_ptr) + file_len += fw_error_dump->trans_ptr->len; + dump_file->file_len = cpu_to_le32(file_len); + mvm->fw_error_dump = fw_error_dump; +} +#endif + static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) { #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -665,6 +789,12 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm) iwl_mvm_reset_phy_ctxts(mvm); memset(mvm->fw_key_table, 0, sizeof(mvm->fw_key_table)); memset(mvm->sta_drained, 0, sizeof(mvm->sta_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); @@ -688,6 +818,16 @@ static int iwl_mvm_mac_start(struct ieee80211_hw *hw) iwl_mvm_restart_cleanup(mvm); ret = iwl_mvm_up(mvm); + + if (ret && test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { + /* Something went wrong - we need to finish some cleanup + * that normally iwl_mvm_mac_restart_complete() below + * would do. + */ + clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status); + iwl_mvm_d0i3_enable_tx(mvm, NULL); + } + mutex_unlock(&mvm->mutex); return ret; @@ -786,6 +926,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, int ret; /* + * make sure D0i3 exit is completed, otherwise a target access + * during tx queue configuration could be done when still in + * D0i3 state. + */ + ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_ADD_IF); + if (ret) + return ret; + + /* * Not much to do here. The stack will not allow interface * types or combinations that we didn't advertise, so we * don't really have to check the types. @@ -899,6 +1048,8 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw, out_unlock: mutex_unlock(&mvm->mutex); + iwl_mvm_unref(mvm, IWL_MVM_REF_ADD_IF); + return ret; } @@ -1255,6 +1406,28 @@ static inline int iwl_mvm_configure_bcast_filter(struct iwl_mvm *mvm, } #endif +static void iwl_mvm_teardown_tdls_peers(struct iwl_mvm *mvm) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + int i; + + lockdep_assert_held(&mvm->mutex); + + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (!sta || IS_ERR(sta) || !sta->tdls) + continue; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + ieee80211_tdls_oper_request(mvmsta->vif, sta->addr, + NL80211_TDLS_TEARDOWN, + WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED, + GFP_KERNEL); + } +} + static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -1278,7 +1451,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (changes & BSS_CHANGED_ASSOC) { if (bss_conf->assoc) { /* add quota for this interface */ - ret = iwl_mvm_update_quotas(mvm, vif); + ret = iwl_mvm_update_quotas(mvm, NULL); if (ret) { IWL_ERR(mvm, "failed to update quotas\n"); return; @@ -1350,14 +1523,18 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, */ iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); - iwl_mvm_sf_update(mvm, vif, false); - WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); } else if (changes & (BSS_CHANGED_PS | BSS_CHANGED_P2P_PS | BSS_CHANGED_QOS)) { ret = iwl_mvm_power_update_mac(mvm); if (ret) IWL_ERR(mvm, "failed to update power mode\n"); } + + if (changes & BSS_CHANGED_BEACON_INFO) { + iwl_mvm_sf_update(mvm, vif, false); + WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); + } + if (changes & BSS_CHANGED_TXPOWER) { IWL_DEBUG_CALIB(mvm, "Changing TX Power to %d\n", bss_conf->txpower); @@ -1389,6 +1566,14 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; + /* + * iwl_mvm_mac_ctxt_add() might read directly from the device + * (the system time), so make sure it is available. + */ + ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_START_AP); + if (ret) + return ret; + mutex_lock(&mvm->mutex); /* Send the beacon template */ @@ -1425,7 +1610,7 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, /* power updated needs to be done before quotas */ iwl_mvm_power_update_mac(mvm); - ret = iwl_mvm_update_quotas(mvm, vif); + ret = iwl_mvm_update_quotas(mvm, NULL); if (ret) goto out_quota_failed; @@ -1437,6 +1622,10 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw, iwl_mvm_bt_coex_vif_change(mvm); + /* we don't support TDLS during DCM */ + if (iwl_mvm_phy_ctx_count(mvm) > 1) + iwl_mvm_teardown_tdls_peers(mvm); + mutex_unlock(&mvm->mutex); return 0; @@ -1450,6 +1639,7 @@ out_remove: iwl_mvm_mac_ctxt_remove(mvm, vif); out_unlock: mutex_unlock(&mvm->mutex); + iwl_mvm_unref(mvm, IWL_MVM_REF_START_AP); return ret; } @@ -1463,7 +1653,20 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw, mutex_lock(&mvm->mutex); + /* Handle AP stop while in CSA */ + if (rcu_access_pointer(mvm->csa_vif) == vif) { + iwl_mvm_remove_time_event(mvm, mvmvif, + &mvmvif->time_event_data); + RCU_INIT_POINTER(mvm->csa_vif, NULL); + } + + if (rcu_access_pointer(mvm->csa_tx_blocked_vif) == vif) { + RCU_INIT_POINTER(mvm->csa_tx_blocked_vif, NULL); + mvm->csa_tx_block_bcn_timeout = 0; + } + mvmvif->ap_ibss_active = false; + mvm->ap_last_beacon_gp2 = 0; iwl_mvm_bt_coex_vif_change(mvm); @@ -1514,10 +1717,18 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + /* + * iwl_mvm_bss_info_changed_station() might call + * iwl_mvm_protect_session(), which reads directly from + * the device (the system time), so make sure it is available. + */ + if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_BSS_CHANGED)) + return; + mutex_lock(&mvm->mutex); if (changes & BSS_CHANGED_IDLE && !bss_conf->idle) - iwl_mvm_sched_scan_stop(mvm, true); + iwl_mvm_scan_offload_stop(mvm, true); switch (vif->type) { case NL80211_IFTYPE_STATION: @@ -1533,44 +1744,84 @@ static void iwl_mvm_bss_info_changed(struct ieee80211_hw *hw, } mutex_unlock(&mvm->mutex); + iwl_mvm_unref(mvm, IWL_MVM_REF_BSS_CHANGED); } +static int iwl_mvm_cancel_scan_wait_notif(struct iwl_mvm *mvm, + enum iwl_scan_status scan_type) +{ + int ret; + bool wait_for_handlers = false; + + mutex_lock(&mvm->mutex); + + if (mvm->scan_status != scan_type) { + ret = 0; + /* make sure there are no pending notifications */ + wait_for_handlers = true; + goto out; + } + + switch (scan_type) { + case IWL_MVM_SCAN_SCHED: + ret = iwl_mvm_scan_offload_stop(mvm, true); + break; + case IWL_MVM_SCAN_OS: + ret = iwl_mvm_cancel_scan(mvm); + break; + case IWL_MVM_SCAN_NONE: + default: + WARN_ON_ONCE(1); + ret = -EINVAL; + break; + } + if (ret) + goto out; + + wait_for_handlers = true; +out: + mutex_unlock(&mvm->mutex); + + /* make sure we consume the completion notification */ + if (wait_for_handlers) + iwl_mvm_wait_for_async_handlers(mvm); + + return ret; +} static int iwl_mvm_mac_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct cfg80211_scan_request *req) + struct ieee80211_scan_request *hw_req) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct cfg80211_scan_request *req = &hw_req->req; int ret; - if (req->n_channels == 0 || req->n_channels > MAX_NUM_SCAN_CHANNELS) + if (req->n_channels == 0 || + req->n_channels > mvm->fw->ucode_capa.n_scan_channels) return -EINVAL; + ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_SCHED); + if (ret) + return ret; + mutex_lock(&mvm->mutex); - switch (mvm->scan_status) { - case IWL_MVM_SCAN_SCHED: - ret = iwl_mvm_sched_scan_stop(mvm, true); - if (ret) { - ret = -EBUSY; - goto out; - } - break; - case IWL_MVM_SCAN_NONE: - break; - default: + if (mvm->scan_status != IWL_MVM_SCAN_NONE) { ret = -EBUSY; goto out; } iwl_mvm_ref(mvm, IWL_MVM_REF_SCAN); - ret = iwl_mvm_scan_request(mvm, vif, req); + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) + ret = iwl_mvm_unified_scan_lmac(mvm, vif, hw_req); + else + ret = iwl_mvm_scan_request(mvm, vif, req); + if (ret) iwl_mvm_unref(mvm, IWL_MVM_REF_SCAN); out: mutex_unlock(&mvm->mutex); - /* make sure to flush the Rx handler before the next scan arrives */ - iwl_mvm_wait_for_async_handlers(mvm); return ret; } @@ -1680,6 +1931,48 @@ static void iwl_mvm_sta_pre_rcu_remove(struct ieee80211_hw *hw, mutex_unlock(&mvm->mutex); } +int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvmsta; + int count = 0; + int i; + + lockdep_assert_held(&mvm->mutex); + + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (!sta || IS_ERR(sta) || !sta->tdls) + continue; + + if (vif) { + mvmsta = iwl_mvm_sta_from_mac80211(sta); + if (mvmsta->vif != vif) + continue; + } + + count++; + } + + return count; +} + +static void iwl_mvm_recalc_tdls_state(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + bool sta_added) +{ + int tdls_sta_cnt = iwl_mvm_tdls_sta_count(mvm, vif); + + /* + * Disable ps when the first TDLS sta is added and re-enable it + * when the last TDLS sta is removed + */ + if ((tdls_sta_cnt == 1 && sta_added) || + (tdls_sta_cnt == 0 && !sta_added)) + iwl_mvm_power_update_mac(mvm); +} + static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, @@ -1718,7 +2011,20 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, ret = -EINVAL; goto out_unlock; } + + if (sta->tdls && + (vif->p2p || + iwl_mvm_tdls_sta_count(mvm, NULL) == + IWL_MVM_TDLS_STA_COUNT || + iwl_mvm_phy_ctx_count(mvm) > 1)) { + IWL_DEBUG_MAC80211(mvm, "refusing TDLS sta\n"); + ret = -EBUSY; + goto out_unlock; + } + ret = iwl_mvm_add_sta(mvm, vif, sta); + if (sta->tdls && ret == 0) + iwl_mvm_recalc_tdls_state(mvm, vif, true); } else if (old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_AUTH) { /* @@ -1736,6 +2042,11 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, true); } else if (old_state == IEEE80211_STA_ASSOC && new_state == IEEE80211_STA_AUTHORIZED) { + + /* we don't support TDLS during DCM */ + if (iwl_mvm_phy_ctx_count(mvm) > 1) + iwl_mvm_teardown_tdls_peers(mvm); + /* enable beacon filtering */ WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0)); ret = 0; @@ -1753,6 +2064,8 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw, } else if (old_state == IEEE80211_STA_NONE && new_state == IEEE80211_STA_NOTEXIST) { ret = iwl_mvm_rm_sta(mvm, vif, sta); + if (sta->tdls) + iwl_mvm_recalc_tdls_state(mvm, vif, false); } else { ret = -EIO; } @@ -1818,20 +2131,54 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw, if (WARN_ON_ONCE(vif->bss_conf.assoc)) return; + /* + * iwl_mvm_protect_session() reads directly from the device + * (the system time), so make sure it is available. + */ + if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PREPARE_TX)) + return; + mutex_lock(&mvm->mutex); /* Try really hard to protect the session and hear a beacon */ iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500); mutex_unlock(&mvm->mutex); + + iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX); +} + +static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + u32 duration = 2 * vif->bss_conf.dtim_period * vif->bss_conf.beacon_int; + + /* + * iwl_mvm_protect_session() reads directly from the device + * (the system time), so make sure it is available. + */ + if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PROTECT_TDLS)) + return; + + mutex_lock(&mvm->mutex); + /* Protect the session to hear the TDLS setup response on the channel */ + iwl_mvm_protect_session(mvm, vif, duration, duration, 100); + mutex_unlock(&mvm->mutex); + + iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS); } static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, - struct ieee80211_sched_scan_ies *ies) + struct ieee80211_scan_ies *ies) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); int ret; + ret = iwl_mvm_cancel_scan_wait_notif(mvm, IWL_MVM_SCAN_OS); + if (ret) + return ret; + mutex_lock(&mvm->mutex); if (!iwl_mvm_is_idle(mvm)) { @@ -1839,49 +2186,34 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw, goto out; } - switch (mvm->scan_status) { - case IWL_MVM_SCAN_OS: - IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n"); - ret = iwl_mvm_cancel_scan(mvm); - if (ret) { - ret = -EBUSY; - goto out; - } - - /* - * iwl_mvm_rx_scan_complete() will be called soon but will - * not reset the scan status as it won't be IWL_MVM_SCAN_OS - * any more since we queue the next scan immediately (below). - * We make sure it is called before the next scan starts by - * flushing the async-handlers work. - */ - break; - case IWL_MVM_SCAN_NONE: - break; - default: + if (mvm->scan_status != IWL_MVM_SCAN_NONE) { ret = -EBUSY; goto out; } mvm->scan_status = IWL_MVM_SCAN_SCHED; - ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies); - if (ret) - goto err; + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) { + ret = iwl_mvm_config_sched_scan(mvm, vif, req, ies); + if (ret) + goto err; + } ret = iwl_mvm_config_sched_scan_profiles(mvm, req); if (ret) goto err; - ret = iwl_mvm_sched_scan_start(mvm, req); + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) + ret = iwl_mvm_unified_sched_scan_lmac(mvm, vif, req, ies); + else + ret = iwl_mvm_sched_scan_start(mvm, req); + if (!ret) goto out; err: mvm->scan_status = IWL_MVM_SCAN_NONE; out: mutex_unlock(&mvm->mutex); - /* make sure to flush the Rx handler before the next scan arrives */ - iwl_mvm_wait_for_async_handlers(mvm); return ret; } @@ -1892,7 +2224,7 @@ static int iwl_mvm_mac_sched_scan_stop(struct ieee80211_hw *hw, int ret; mutex_lock(&mvm->mutex); - ret = iwl_mvm_sched_scan_stop(mvm, false); + ret = iwl_mvm_scan_offload_stop(mvm, false); mutex_unlock(&mvm->mutex); iwl_mvm_wait_for_async_handlers(mvm); @@ -2001,6 +2333,119 @@ static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw, } +static bool iwl_mvm_rx_aux_roc(struct iwl_notif_wait_data *notif_wait, + struct iwl_rx_packet *pkt, void *data) +{ + struct iwl_mvm *mvm = + container_of(notif_wait, struct iwl_mvm, notif_wait); + struct iwl_hs20_roc_res *resp; + int resp_len = iwl_rx_packet_payload_len(pkt); + struct iwl_mvm_time_event_data *te_data = data; + + if (WARN_ON(pkt->hdr.cmd != HOT_SPOT_CMD)) + return true; + + if (WARN_ON_ONCE(resp_len != sizeof(*resp))) { + IWL_ERR(mvm, "Invalid HOT_SPOT_CMD response\n"); + return true; + } + + resp = (void *)pkt->data; + + IWL_DEBUG_TE(mvm, + "Aux ROC: Recieved response from ucode: status=%d uid=%d\n", + resp->status, resp->event_unique_id); + + te_data->uid = le32_to_cpu(resp->event_unique_id); + IWL_DEBUG_TE(mvm, "TIME_EVENT_CMD response - UID = 0x%x\n", + te_data->uid); + + spin_lock_bh(&mvm->time_event_lock); + list_add_tail(&te_data->list, &mvm->aux_roc_te_list); + spin_unlock_bh(&mvm->time_event_lock); + + return true; +} + +#define AUX_ROC_MAX_DELAY_ON_CHANNEL 5000 +static int iwl_mvm_send_aux_roc_cmd(struct iwl_mvm *mvm, + struct ieee80211_channel *channel, + struct ieee80211_vif *vif, + int duration) +{ + int res, time_reg = DEVICE_SYSTEM_TIME_REG; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->hs_time_event_data; + static const u8 time_event_response[] = { HOT_SPOT_CMD }; + struct iwl_notification_wait wait_time_event; + struct iwl_hs20_roc_req aux_roc_req = { + .action = cpu_to_le32(FW_CTXT_ACTION_ADD), + .id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(MAC_INDEX_AUX, 0)), + .sta_id_and_color = cpu_to_le32(mvm->aux_sta.sta_id), + /* Set the channel info data */ + .channel_info.band = (channel->band == IEEE80211_BAND_2GHZ) ? + PHY_BAND_24 : PHY_BAND_5, + .channel_info.channel = channel->hw_value, + .channel_info.width = PHY_VHT_CHANNEL_MODE20, + /* Set the time and duration */ + .apply_time = cpu_to_le32(iwl_read_prph(mvm->trans, time_reg)), + .apply_time_max_delay = + cpu_to_le32(MSEC_TO_TU(AUX_ROC_MAX_DELAY_ON_CHANNEL)), + .duration = cpu_to_le32(MSEC_TO_TU(duration)), + }; + + /* Set the node address */ + memcpy(aux_roc_req.node_addr, vif->addr, ETH_ALEN); + + te_data->vif = vif; + te_data->duration = duration; + te_data->id = HOT_SPOT_CMD; + + lockdep_assert_held(&mvm->mutex); + + spin_lock_bh(&mvm->time_event_lock); + list_add_tail(&te_data->list, &mvm->time_event_list); + spin_unlock_bh(&mvm->time_event_lock); + + /* + * Use a notification wait, which really just processes the + * command response and doesn't wait for anything, in order + * to be able to process the response and get the UID inside + * the RX path. Using CMD_WANT_SKB doesn't work because it + * stores the buffer and then wakes up this thread, by which + * time another notification (that the time event started) + * might already be processed unsuccessfully. + */ + iwl_init_notification_wait(&mvm->notif_wait, &wait_time_event, + time_event_response, + ARRAY_SIZE(time_event_response), + iwl_mvm_rx_aux_roc, te_data); + + res = iwl_mvm_send_cmd_pdu(mvm, HOT_SPOT_CMD, 0, sizeof(aux_roc_req), + &aux_roc_req); + + if (res) { + IWL_ERR(mvm, "Couldn't send HOT_SPOT_CMD: %d\n", res); + iwl_remove_notification(&mvm->notif_wait, &wait_time_event); + goto out_clear_te; + } + + /* No need to wait for anything, so just pass 1 (0 isn't valid) */ + res = iwl_wait_notification(&mvm->notif_wait, &wait_time_event, 1); + /* should never fail */ + WARN_ON_ONCE(res); + + if (res) { + out_clear_te: + spin_lock_bh(&mvm->time_event_lock); + iwl_mvm_te_clear_data(mvm, te_data); + spin_unlock_bh(&mvm->time_event_lock); + } + + return res; +} + static int iwl_mvm_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_channel *channel, @@ -2016,8 +2461,17 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw, IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value, duration, type); - if (vif->type != NL80211_IFTYPE_P2P_DEVICE) { - IWL_ERR(mvm, "vif isn't a P2P_DEVICE: %d\n", vif->type); + switch (vif->type) { + case NL80211_IFTYPE_STATION: + /* Use aux roc framework (HS20) */ + ret = iwl_mvm_send_aux_roc_cmd(mvm, channel, + vif, duration); + return ret; + case NL80211_IFTYPE_P2P_DEVICE: + /* handle below */ + break; + default: + IWL_ERR(mvm, "vif isn't P2P_DEVICE: %d\n", vif->type); return -EINVAL; } @@ -2126,17 +2580,17 @@ static int iwl_mvm_cancel_roc(struct ieee80211_hw *hw) return 0; } -static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, - struct ieee80211_chanctx_conf *ctx) +static int __iwl_mvm_add_chanctx(struct iwl_mvm *mvm, + struct ieee80211_chanctx_conf *ctx) { - struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; struct iwl_mvm_phy_ctxt *phy_ctxt; int ret; + lockdep_assert_held(&mvm->mutex); + IWL_DEBUG_MAC80211(mvm, "Add channel context\n"); - mutex_lock(&mvm->mutex); phy_ctxt = iwl_mvm_get_free_phy_ctxt(mvm); if (!phy_ctxt) { ret = -ENOSPC; @@ -2154,19 +2608,40 @@ static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, iwl_mvm_phy_ctxt_ref(mvm, phy_ctxt); *phy_ctxt_id = phy_ctxt->id; out: + return ret; +} + +static int iwl_mvm_add_chanctx(struct ieee80211_hw *hw, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + mutex_lock(&mvm->mutex); + ret = __iwl_mvm_add_chanctx(mvm, ctx); mutex_unlock(&mvm->mutex); + return ret; } +static void __iwl_mvm_remove_chanctx(struct iwl_mvm *mvm, + struct ieee80211_chanctx_conf *ctx) +{ + u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; + struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; + + lockdep_assert_held(&mvm->mutex); + + iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); +} + static void iwl_mvm_remove_chanctx(struct ieee80211_hw *hw, struct ieee80211_chanctx_conf *ctx) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; - struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; mutex_lock(&mvm->mutex); - iwl_mvm_phy_ctxt_unref(mvm, phy_ctxt); + __iwl_mvm_remove_chanctx(mvm, ctx); mutex_unlock(&mvm->mutex); } @@ -2195,17 +2670,17 @@ static void iwl_mvm_change_chanctx(struct ieee80211_hw *hw, mutex_unlock(&mvm->mutex); } -static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *ctx) +static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx, + bool switching_chanctx) { - struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); u16 *phy_ctxt_id = (u16 *)ctx->drv_priv; struct iwl_mvm_phy_ctxt *phy_ctxt = &mvm->phy_ctxts[*phy_ctxt_id]; struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; - mutex_lock(&mvm->mutex); + lockdep_assert_held(&mvm->mutex); mvmvif->phy_ctxt = phy_ctxt; @@ -2222,18 +2697,18 @@ static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, * (in bss_info_changed), similarly for IBSS. */ ret = 0; - goto out_unlock; + goto out; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_MONITOR: break; default: ret = -EINVAL; - goto out_unlock; + goto out; } ret = iwl_mvm_binding_add_vif(mvm, vif); if (ret) - goto out_unlock; + goto out; /* * Power state must be updated before quotas, @@ -2247,67 +2722,168 @@ static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, */ if (vif->type == NL80211_IFTYPE_MONITOR) { mvmvif->monitor_active = true; - ret = iwl_mvm_update_quotas(mvm, vif); + ret = iwl_mvm_update_quotas(mvm, NULL); if (ret) goto out_remove_binding; } /* Handle binding during CSA */ - if (vif->type == NL80211_IFTYPE_AP) { - iwl_mvm_update_quotas(mvm, vif); + if ((vif->type == NL80211_IFTYPE_AP) || + (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) { + iwl_mvm_update_quotas(mvm, NULL); iwl_mvm_mac_ctxt_changed(mvm, vif, false); } - goto out_unlock; + goto out; - out_remove_binding: +out_remove_binding: iwl_mvm_binding_remove_vif(mvm, vif); iwl_mvm_power_update_mac(mvm); - out_unlock: - mutex_unlock(&mvm->mutex); +out: if (ret) mvmvif->phy_ctxt = NULL; return ret; } - -static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - struct ieee80211_chanctx_conf *ctx) +static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + int ret; mutex_lock(&mvm->mutex); + ret = __iwl_mvm_assign_vif_chanctx(mvm, vif, ctx, false); + mutex_unlock(&mvm->mutex); + + return ret; +} + +static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx, + bool switching_chanctx) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct ieee80211_vif *disabled_vif = NULL; + + lockdep_assert_held(&mvm->mutex); iwl_mvm_remove_time_event(mvm, mvmvif, &mvmvif->time_event_data); switch (vif->type) { case NL80211_IFTYPE_ADHOC: - goto out_unlock; + goto out; case NL80211_IFTYPE_MONITOR: mvmvif->monitor_active = false; - iwl_mvm_update_quotas(mvm, NULL); break; case NL80211_IFTYPE_AP: /* This part is triggered only during CSA */ if (!vif->csa_active || !mvmvif->ap_ibss_active) - goto out_unlock; + goto out; + + /* Set CS bit on all the stations */ + iwl_mvm_modify_all_sta_disable_tx(mvm, mvmvif, true); + + /* Save blocked iface, the timeout is set on the next beacon */ + rcu_assign_pointer(mvm->csa_tx_blocked_vif, vif); mvmvif->ap_ibss_active = false; - iwl_mvm_update_quotas(mvm, NULL); - /*TODO: bt_coex notification here? */ + break; + case NL80211_IFTYPE_STATION: + if (!switching_chanctx) + break; + + disabled_vif = vif; + + iwl_mvm_mac_ctxt_changed(mvm, vif, true); + break; default: break; } + iwl_mvm_update_quotas(mvm, disabled_vif); iwl_mvm_binding_remove_vif(mvm, vif); -out_unlock: +out: mvmvif->phy_ctxt = NULL; iwl_mvm_power_update_mac(mvm); +} + +static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_chanctx_conf *ctx) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + + mutex_lock(&mvm->mutex); + __iwl_mvm_unassign_vif_chanctx(mvm, vif, ctx, false); mutex_unlock(&mvm->mutex); } +static int iwl_mvm_switch_vif_chanctx(struct ieee80211_hw *hw, + struct ieee80211_vif_chanctx_switch *vifs, + int n_vifs, + enum ieee80211_chanctx_switch_mode mode) +{ + struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + int ret; + + /* we only support SWAP_CONTEXTS and with a single-vif right now */ + if (mode != CHANCTX_SWMODE_SWAP_CONTEXTS || n_vifs > 1) + return -EOPNOTSUPP; + + mutex_lock(&mvm->mutex); + __iwl_mvm_unassign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, true); + __iwl_mvm_remove_chanctx(mvm, vifs[0].old_ctx); + + ret = __iwl_mvm_add_chanctx(mvm, vifs[0].new_ctx); + if (ret) { + IWL_ERR(mvm, "failed to add new_ctx during channel switch\n"); + goto out_reassign; + } + + ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].new_ctx, + true); + if (ret) { + IWL_ERR(mvm, + "failed to assign new_ctx during channel switch\n"); + goto out_remove; + } + + /* we don't support TDLS during DCM - can be caused by channel switch */ + if (iwl_mvm_phy_ctx_count(mvm) > 1) + iwl_mvm_teardown_tdls_peers(mvm); + + goto out; + +out_remove: + __iwl_mvm_remove_chanctx(mvm, vifs[0].new_ctx); + +out_reassign: + ret = __iwl_mvm_add_chanctx(mvm, vifs[0].old_ctx); + if (ret) { + IWL_ERR(mvm, "failed to add old_ctx back after failure.\n"); + goto out_restart; + } + + ret = __iwl_mvm_assign_vif_chanctx(mvm, vifs[0].vif, vifs[0].old_ctx, + true); + if (ret) { + IWL_ERR(mvm, "failed to reassign old_ctx after failure.\n"); + goto out_restart; + } + + goto out; + +out_restart: + /* things keep failing, better restart the hw */ + iwl_mvm_nic_restart(mvm, false); + +out: + mutex_unlock(&mvm->mutex); + return ret; +} + static int iwl_mvm_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set) @@ -2395,15 +2971,19 @@ static void iwl_mvm_channel_switch_beacon(struct ieee80211_hw *hw, struct cfg80211_chan_def *chandef) { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); + struct ieee80211_vif *csa_vif; mutex_lock(&mvm->mutex); - if (WARN(mvm->csa_vif && mvm->csa_vif->csa_active, + + csa_vif = rcu_dereference_protected(mvm->csa_vif, + lockdep_is_held(&mvm->mutex)); + if (WARN(csa_vif && csa_vif->csa_active, "Another CSA is already in progress")) goto out_unlock; IWL_DEBUG_MAC80211(mvm, "CSA started to freq %d\n", chandef->center_freq1); - mvm->csa_vif = vif; + rcu_assign_pointer(mvm->csa_vif, vif); out_unlock: mutex_unlock(&mvm->mutex); @@ -2460,6 +3040,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .sta_rc_update = iwl_mvm_sta_rc_update, .conf_tx = iwl_mvm_mac_conf_tx, .mgd_prepare_tx = iwl_mvm_mac_mgd_prepare_tx, + .mgd_protect_tdls_discover = iwl_mvm_mac_mgd_protect_tdls_discover, .flush = iwl_mvm_mac_flush, .sched_scan_start = iwl_mvm_mac_sched_scan_start, .sched_scan_stop = iwl_mvm_mac_sched_scan_stop, @@ -2472,6 +3053,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = { .change_chanctx = iwl_mvm_change_chanctx, .assign_vif_chanctx = iwl_mvm_assign_vif_chanctx, .unassign_vif_chanctx = iwl_mvm_unassign_vif_chanctx, + .switch_vif_chanctx = iwl_mvm_switch_vif_chanctx, .start_ap = iwl_mvm_start_ap_ibss, .stop_ap = iwl_mvm_stop_ap_ibss, diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index fcc6c29482d0..2e73d3bd7757 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -82,6 +82,26 @@ /* RSSI offset for WkP */ #define IWL_RSSI_OFFSET 50 #define IWL_MVM_MISSED_BEACONS_THRESHOLD 8 +/* A TimeUnit is 1024 microsecond */ +#define MSEC_TO_TU(_msec) (_msec*1000/1024) + +/* + * The CSA NoA is scheduled IWL_MVM_CHANNEL_SWITCH_TIME TUs before "beacon 0" + * TBTT. This value should be big enough to ensure that we switch in time. + */ +#define IWL_MVM_CHANNEL_SWITCH_TIME 40 + +/* + * This value (in TUs) is used to fine tune the CSA NoA end time which should + * be just before "beacon 0" TBTT. + */ +#define IWL_MVM_CHANNEL_SWITCH_MARGIN 4 + +/* + * Number of beacons to transmit on a new channel until we unblock tx to + * the stations, even if we didn't identify them on a new channel + */ +#define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3 enum iwl_mvm_tx_fifo { IWL_MVM_TX_FIFO_BK = 0, @@ -108,6 +128,21 @@ struct iwl_mvm_mod_params { }; extern struct iwl_mvm_mod_params iwlmvm_mod_params; +/** + * struct iwl_mvm_dump_ptrs - set of pointers needed for the fw-error-dump + * + * @op_mode_ptr: pointer to the buffer coming from the mvm op_mode + * @trans_ptr: pointer to struct %iwl_trans_dump_data which contains the + * transport's data. + * @trans_len: length of the valid data in trans_ptr + * @op_mode_len: length of the valid data in op_mode_ptr + */ +struct iwl_mvm_dump_ptrs { + struct iwl_trans_dump_data *trans_ptr; + void *op_mode_ptr; + u32 op_mode_len; +}; + struct iwl_mvm_phy_ctxt { u16 id; u16 color; @@ -230,11 +265,30 @@ enum iwl_mvm_ref_type { IWL_MVM_REF_USER, IWL_MVM_REF_TX, IWL_MVM_REF_TX_AGG, + IWL_MVM_REF_ADD_IF, + IWL_MVM_REF_START_AP, + IWL_MVM_REF_BSS_CHANGED, + IWL_MVM_REF_PREPARE_TX, + IWL_MVM_REF_PROTECT_TDLS, + IWL_MVM_REF_CHECK_CTKILL, + IWL_MVM_REF_PRPH_READ, + IWL_MVM_REF_PRPH_WRITE, + IWL_MVM_REF_NMI, + IWL_MVM_REF_TM_CMD, IWL_MVM_REF_EXIT_WORK, IWL_MVM_REF_COUNT, }; +enum iwl_bt_force_ant_mode { + BT_FORCE_ANT_DIS = 0, + BT_FORCE_ANT_AUTO, + BT_FORCE_ANT_BT, + BT_FORCE_ANT_WIFI, + + BT_FORCE_ANT_MAX, +}; + /** * struct iwl_mvm_vif_bf_data - beacon filtering related data * @bf_enabled: indicates if beacon filtering is enabled @@ -299,6 +353,7 @@ struct iwl_mvm_vif { */ struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; struct iwl_mvm_time_event_data time_event_data; + struct iwl_mvm_time_event_data hs_time_event_data; struct iwl_mvm_int_sta bcast_sta; @@ -523,7 +578,7 @@ struct iwl_mvm { /* Scan status, cmd (pre-allocated) and auxiliary station */ enum iwl_scan_status scan_status; - struct iwl_scan_cmd *scan_cmd; + void *scan_cmd; struct iwl_mcast_filter_cmd *mcast_filter_cmd; /* rx chain antennas set through debugfs for the scan command */ @@ -578,18 +633,15 @@ struct iwl_mvm { */ unsigned long fw_key_table[BITS_TO_LONGS(STA_KEY_MAX_NUM)]; - /* A bitmap of reference types taken by the driver. */ - unsigned long ref_bitmap[BITS_TO_LONGS(IWL_MVM_REF_COUNT)]; + /* references taken by the driver and spinlock protecting them */ + spinlock_t refs_lock; + u8 refs[IWL_MVM_REF_COUNT]; u8 vif_count; /* -1 for always, 0 for never, >0 for that many times */ s8 restart_fw; - void *fw_error_dump; - void *fw_error_sram; - u32 fw_error_sram_len; - u32 *fw_error_rxf; - u32 fw_error_rxf_len; + struct iwl_mvm_dump_ptrs *fw_error_dump; #ifdef CONFIG_IWLWIFI_LEDS struct led_classdev led; @@ -623,12 +675,21 @@ struct iwl_mvm { wait_queue_head_t d0i3_exit_waitq; /* BT-Coex */ - u8 bt_kill_msk; + 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; + u32 last_ant_isol; u8 last_corun_lut; u8 bt_tx_prio; + enum iwl_bt_force_ant_mode bt_force_ant_mode; + + /* Aux ROC */ + struct list_head aux_roc_te_list; /* Thermal Throttling and CTkill */ struct iwl_mvm_tt_mgmt thermal_throttle; @@ -647,7 +708,12 @@ struct iwl_mvm { /* Indicate if device power save is allowed */ bool ps_disabled; - struct ieee80211_vif *csa_vif; + struct ieee80211_vif __rcu *csa_vif; + struct ieee80211_vif __rcu *csa_tx_blocked_vif; + u8 csa_tx_block_bcn_timeout; + + /* system time of last beacon (for AP/GO interface) */ + u32 ap_last_beacon_gp2; }; /* Extract MVM priv from op_mode and _hw */ @@ -663,6 +729,7 @@ enum iwl_mvm_status { IWL_MVM_STATUS_ROC_RUNNING, IWL_MVM_STATUS_IN_HW_RESTART, IWL_MVM_STATUS_IN_D0I3, + IWL_MVM_STATUS_ROC_AUX_RUNNING, }; static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm) @@ -719,11 +786,6 @@ void iwl_mvm_hwrate_to_tx_rate(u32 rate_n_flags, struct ieee80211_tx_rate *r); u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx); void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm); -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm); -void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm); -void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm); -#endif u8 first_antenna(u8 mask); u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx); @@ -809,6 +871,7 @@ void iwl_mvm_phy_ctxt_ref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt); void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt); +int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm); /* MAC (virtual interface) programming */ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif); @@ -835,7 +898,8 @@ 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); /* Quota management */ -int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif); +int iwl_mvm_update_quotas(struct iwl_mvm *mvm, + struct ieee80211_vif *disabled_vif); /* Scanning */ int iwl_mvm_scan_request(struct iwl_mvm *mvm, @@ -854,15 +918,24 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, - struct ieee80211_sched_scan_ies *ies); + struct ieee80211_scan_ies *ies); int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req); int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req); -int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify); -int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd); +int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify); +int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + +/* Unified scan */ +int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *req); +int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies); /* MVM debugfs */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -948,6 +1021,7 @@ int iwl_mvm_send_proto_offload(struct iwl_mvm *mvm, /* D0i3 */ void iwl_mvm_ref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); void iwl_mvm_unref(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); +int iwl_mvm_ref_sync(struct iwl_mvm *mvm, enum iwl_mvm_ref_type ref_type); void iwl_mvm_d0i3_enable_tx(struct iwl_mvm *mvm, __le16 *qos_seq); int _iwl_mvm_exit_d0i3(struct iwl_mvm *mvm); @@ -963,19 +1037,40 @@ u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm, struct ieee80211_sta *sta); bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, struct ieee80211_sta *sta); +bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm); bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, enum ieee80211_band band); u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, struct ieee80211_tx_info *info, u8 ac); +bool iwl_mvm_bt_coex_is_shared_ant_avail_old(struct iwl_mvm *mvm); +void iwl_mvm_bt_coex_vif_change_old(struct iwl_mvm *mvm); +int iwl_send_bt_init_conf_old(struct iwl_mvm *mvm); +int iwl_mvm_rx_bt_coex_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); +void iwl_mvm_bt_rssi_event_old(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum ieee80211_rssi_event rssi_event); +u16 iwl_mvm_coex_agg_time_limit_old(struct iwl_mvm *mvm, + struct ieee80211_sta *sta); +bool iwl_mvm_bt_coex_is_mimo_allowed_old(struct iwl_mvm *mvm, + struct ieee80211_sta *sta); +bool iwl_mvm_bt_coex_is_tpc_allowed_old(struct iwl_mvm *mvm, + enum ieee80211_band band); +int iwl_mvm_rx_ant_coupling_notif_old(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd); + enum iwl_bt_kill_msk { BT_KILL_MSK_DEFAULT, - BT_KILL_MSK_SCO_HID_A2DP, - BT_KILL_MSK_REDUCED_TXPOW, + BT_KILL_MSK_NEVER, + BT_KILL_MSK_ALWAYS, BT_KILL_MSK_MAX, }; -extern const u32 iwl_bt_ack_kill_msk[BT_KILL_MSK_MAX]; -extern const u32 iwl_bt_cts_kill_msk[BT_KILL_MSK_MAX]; + +extern const u8 iwl_bt_ack_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT]; +extern const u8 iwl_bt_cts_kill_msk[BT_MAX_AG][BT_COEX_MAX_LUT]; +extern const u32 iwl_bt_ctl_kill_msk[BT_KILL_MSK_MAX]; /* beacon filtering */ #ifdef CONFIG_IWLWIFI_DEBUGFS @@ -1039,4 +1134,9 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif, bool added_vif); +/* TDLS */ +int iwl_mvm_tdls_sta_count(struct iwl_mvm *mvm, struct ieee80211_vif *vif); + +void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error); + #endif /* __IWL_MVM_H__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c index 808f78f6fbf9..cfdd314fdd5d 100644 --- a/drivers/net/wireless/iwlwifi/mvm/nvm.c +++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c @@ -69,7 +69,9 @@ /* Default NVM size to read */ #define IWL_NVM_DEFAULT_CHUNK_SIZE (2*1024) -#define IWL_MAX_NVM_SECTION_SIZE 7000 +#define IWL_MAX_NVM_SECTION_SIZE 0x1b58 +#define IWL_MAX_NVM_8000A_SECTION_SIZE 0xffc +#define IWL_MAX_NVM_8000B_SECTION_SIZE 0x1ffc #define NVM_WRITE_OPCODE 1 #define NVM_READ_OPCODE 0 @@ -219,7 +221,7 @@ static int iwl_nvm_write_section(struct iwl_mvm *mvm, u16 section, * without overflowing, so no check is needed. */ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, - u8 *data) + u8 *data, u32 size_read) { u16 length, offset = 0; int ret; @@ -231,6 +233,13 @@ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section, /* Read the NVM until exhausted (reading less than requested) */ while (ret == length) { + /* Check no memory assumptions fail and cause an overflow */ + if ((size_read + offset + length) > + mvm->cfg->base_params->eeprom_size) { + IWL_ERR(mvm, "EEPROM size is too small for NVM\n"); + return -ENOBUFS; + } + ret = iwl_nvm_read_chunk(mvm, section, offset, length, data); if (ret < 0) { IWL_DEBUG_EEPROM(mvm->trans->dev, @@ -256,7 +265,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) { if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data || !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) { - IWL_ERR(mvm, "Can't parse empty NVM sections\n"); + IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n"); return NULL; } } else { @@ -264,7 +273,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm) if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data || !mvm->nvm_sections[NVM_SECTION_TYPE_REGULATORY].data) { IWL_ERR(mvm, - "Can't parse empty family 8000 NVM sections\n"); + "Can't parse empty family 8000 OTP/NVM sections\n"); return NULL; } /* MAC_OVERRIDE or at least HW section must exist */ @@ -326,6 +335,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm) u8 data[]; } *file_sec; const u8 *eof, *temp; + int max_section_size; #define NVM_WORD1_LEN(x) (8 * (x & 0x03FF)) #define NVM_WORD2_ID(x) (x >> 12) @@ -334,6 +344,14 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm) IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from external NVM\n"); + /* Maximal size depends on HW family and step */ + if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) + max_section_size = IWL_MAX_NVM_SECTION_SIZE; + else if ((mvm->trans->hw_rev & 0xc) == 0) /* Family 8000 A-step */ + max_section_size = IWL_MAX_NVM_8000A_SECTION_SIZE; + else /* Family 8000 B-step */ + max_section_size = IWL_MAX_NVM_8000B_SECTION_SIZE; + /* * Obtain NVM image via request_firmware. Since we already used * request_firmware_nowait() for the firmware binary load and only @@ -392,7 +410,7 @@ static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm) le16_to_cpu(file_sec->word1)); } - if (section_size > IWL_MAX_NVM_SECTION_SIZE) { + if (section_size > max_section_size) { IWL_ERR(mvm, "ERROR - section too large (%d)\n", section_size); ret = -EINVAL; @@ -459,6 +477,7 @@ int iwl_mvm_load_nvm_to_nic(struct iwl_mvm *mvm) int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic) { int ret, section; + u32 size_read = 0; u8 *nvm_buffer, *temp; if (WARN_ON_ONCE(mvm->cfg->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS)) @@ -475,9 +494,11 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic) return -ENOMEM; for (section = 0; section < NVM_MAX_NUM_SECTIONS; section++) { /* we override the constness for initial read */ - ret = iwl_nvm_read_section(mvm, section, nvm_buffer); + ret = iwl_nvm_read_section(mvm, section, nvm_buffer, + size_read); if (ret < 0) continue; + size_read += ret; temp = kmemdup(nvm_buffer, ret, GFP_KERNEL); if (!temp) { ret = -ENOMEM; @@ -509,6 +530,8 @@ int iwl_nvm_init(struct iwl_mvm *mvm, bool read_nvm_from_nic) } #endif } + if (!size_read) + IWL_ERR(mvm, "OTP is blank\n"); kfree(nvm_buffer); } diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index cc2f7de396de..610dbcb0dc27 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -166,8 +166,15 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode) WARN_ON((radio_cfg_type << CSR_HW_IF_CONFIG_REG_POS_PHY_TYPE) & ~CSR_HW_IF_CONFIG_REG_MSK_PHY_TYPE); - /* silicon bits */ - reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; + /* + * TODO: Bits 7-8 of CSR in 8000 HW family set the ADC sampling, and + * shouldn't be set to any non-zero value. The same is supposed to be + * true of the other HW, but unsetting them (such as the 7260) causes + * automatic tests to fail on seemingly unrelated errors. Need to + * further investigate this, but for now we'll separate cases. + */ + if (mvm->trans->cfg->device_family != IWL_DEVICE_FAMILY_8000) + reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI; iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG, CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH | @@ -233,7 +240,7 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(SCAN_COMPLETE_NOTIFICATION, iwl_mvm_rx_scan_complete, true), RX_HANDLER(SCAN_OFFLOAD_COMPLETE, iwl_mvm_rx_scan_offload_complete_notif, true), - RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_sched_scan_results, + RX_HANDLER(MATCH_FOUND_NOTIFICATION, iwl_mvm_rx_scan_offload_results, false), RX_HANDLER(RADIO_VERSION_NOTIFICATION, iwl_mvm_rx_radio_ver, false), @@ -282,8 +289,10 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(MATCH_FOUND_NOTIFICATION), CMD(SCAN_OFFLOAD_REQUEST_CMD), CMD(SCAN_OFFLOAD_ABORT_CMD), + CMD(HOT_SPOT_CMD), CMD(SCAN_OFFLOAD_COMPLETE), CMD(SCAN_OFFLOAD_UPDATE_PROFILES_CMD), + CMD(SCAN_ITERATION_COMPLETE), CMD(POWER_TABLE_CMD), CMD(WEP_KEY), CMD(REPLY_RX_PHY_CMD), @@ -324,6 +333,9 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(REPLY_THERMAL_MNG_BACKOFF), CMD(MAC_PM_POWER_TABLE), CMD(BT_COEX_CI), + CMD(BT_COEX_UPDATE_SW_BOOST), + CMD(BT_COEX_UPDATE_CORUN_LUT), + CMD(BT_COEX_UPDATE_REDUCED_TXP), CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION), CMD(ANTENNA_COUPLING_NOTIFICATION), }; @@ -380,6 +392,9 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, if (!hw) return NULL; + if (cfg->max_rx_agg_size) + hw->max_rx_aggregation_subframes = cfg->max_rx_agg_size; + op_mode = hw->priv; op_mode->ops = &iwl_mvm_ops; @@ -405,6 +420,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, mutex_init(&mvm->d0i3_suspend_mutex); spin_lock_init(&mvm->async_handlers_lock); INIT_LIST_HEAD(&mvm->time_event_list); + INIT_LIST_HEAD(&mvm->aux_roc_te_list); INIT_LIST_HEAD(&mvm->async_handlers_list); spin_lock_init(&mvm->time_event_lock); @@ -414,6 +430,7 @@ 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); spin_lock_init(&mvm->d0i3_tx_lock); + spin_lock_init(&mvm->refs_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); @@ -502,9 +519,17 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, } } - scan_size = sizeof(struct iwl_scan_cmd) + - mvm->fw->ucode_capa.max_probe_length + - (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel)); + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) + scan_size = sizeof(struct iwl_scan_req_unified_lmac) + + sizeof(struct iwl_scan_channel_cfg_lmac) * + mvm->fw->ucode_capa.n_scan_channels + + sizeof(struct iwl_scan_probe_req); + else + scan_size = sizeof(struct iwl_scan_cmd) + + mvm->fw->ucode_capa.max_probe_length + + mvm->fw->ucode_capa.n_scan_channels * + sizeof(struct iwl_scan_channel); + mvm->scan_cmd = kmalloc(scan_size, GFP_KERNEL); if (!mvm->scan_cmd) goto out_free; @@ -520,7 +545,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, memset(&mvm->rx_stats, 0, sizeof(struct mvm_statistics_rx)); /* rpm starts with a taken ref. only set the appropriate bit here. */ - set_bit(IWL_MVM_REF_UCODE_DOWN, mvm->ref_bitmap); + mvm->refs[IWL_MVM_REF_UCODE_DOWN] = 1; return op_mode; @@ -548,9 +573,11 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode) ieee80211_unregister_hw(mvm->hw); kfree(mvm->scan_cmd); - vfree(mvm->fw_error_dump); - kfree(mvm->fw_error_sram); - kfree(mvm->fw_error_rxf); + if (mvm->fw_error_dump) { + vfree(mvm->fw_error_dump->op_mode_ptr); + vfree(mvm->fw_error_dump->trans_ptr); + kfree(mvm->fw_error_dump); + } kfree(mvm->mcast_filter_cmd); mvm->mcast_filter_cmd = NULL; @@ -754,7 +781,7 @@ static void iwl_mvm_reprobe_wk(struct work_struct *wk) module_put(THIS_MODULE); } -static void iwl_mvm_nic_restart(struct iwl_mvm *mvm) +void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) { iwl_abort_notification_waits(&mvm->notif_wait); @@ -811,93 +838,24 @@ static void iwl_mvm_nic_restart(struct iwl_mvm *mvm) reprobe->dev = mvm->trans->dev; INIT_WORK(&reprobe->work, iwl_mvm_reprobe_wk); schedule_work(&reprobe->work); - } else if (mvm->cur_ucode == IWL_UCODE_REGULAR && mvm->restart_fw) { + } else if (mvm->cur_ucode == IWL_UCODE_REGULAR && + (!fw_error || mvm->restart_fw)) { /* don't let the transport/FW power down */ iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); - if (mvm->restart_fw > 0) + if (fw_error && mvm->restart_fw > 0) mvm->restart_fw--; ieee80211_restart_hw(mvm->hw); } } -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) -{ - struct iwl_fw_error_dump_file *dump_file; - struct iwl_fw_error_dump_data *dump_data; - u32 file_len; - u32 trans_len; - - lockdep_assert_held(&mvm->mutex); - - if (mvm->fw_error_dump) - return; - - file_len = mvm->fw_error_sram_len + - mvm->fw_error_rxf_len + - sizeof(*dump_file) + - sizeof(*dump_data) * 2; - - trans_len = iwl_trans_dump_data(mvm->trans, NULL, 0); - if (trans_len) - file_len += trans_len; - - dump_file = vmalloc(file_len); - if (!dump_file) - return; - - mvm->fw_error_dump = dump_file; - - dump_file->barker = cpu_to_le32(IWL_FW_ERROR_DUMP_BARKER); - dump_file->file_len = cpu_to_le32(file_len); - dump_data = (void *)dump_file->data; - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_RXF); - dump_data->len = cpu_to_le32(mvm->fw_error_rxf_len); - memcpy(dump_data->data, mvm->fw_error_rxf, mvm->fw_error_rxf_len); - - dump_data = iwl_mvm_fw_error_next_data(dump_data); - dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_SRAM); - dump_data->len = cpu_to_le32(mvm->fw_error_sram_len); - - /* - * No need for lock since at the stage the FW isn't loaded. So it - * can't assert - we are the only one who can possibly be accessing - * mvm->fw_error_sram right now. - */ - memcpy(dump_data->data, mvm->fw_error_sram, mvm->fw_error_sram_len); - - kfree(mvm->fw_error_rxf); - mvm->fw_error_rxf = NULL; - mvm->fw_error_rxf_len = 0; - - kfree(mvm->fw_error_sram); - mvm->fw_error_sram = NULL; - mvm->fw_error_sram_len = 0; - - if (trans_len) { - void *buf = iwl_mvm_fw_error_next_data(dump_data); - u32 real_trans_len = iwl_trans_dump_data(mvm->trans, buf, - trans_len); - dump_data = (void *)((u8 *)buf + real_trans_len); - dump_file->file_len = - cpu_to_le32(file_len - trans_len + real_trans_len); - } -} -#endif - static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); iwl_mvm_dump_nic_error_log(mvm); -#ifdef CONFIG_IWLWIFI_DEBUGFS - iwl_mvm_fw_error_sram_dump(mvm); - iwl_mvm_fw_error_rxf_dump(mvm); -#endif - - iwl_mvm_nic_restart(mvm); + iwl_mvm_nic_restart(mvm, true); } static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) @@ -905,7 +863,7 @@ static void iwl_mvm_cmd_queue_full(struct iwl_op_mode *op_mode) struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); WARN_ON(1); - iwl_mvm_nic_restart(mvm); + iwl_mvm_nic_restart(mvm, true); } struct iwl_d0i3_iter_data { diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c index 539f3a942d43..6cc243f7cf60 100644 --- a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c @@ -261,3 +261,29 @@ void iwl_mvm_phy_ctxt_unref(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt) ctxt->ref--; } + +static void iwl_mvm_binding_iterator(void *_data, u8 *mac, + struct ieee80211_vif *vif) +{ + unsigned long *data = _data; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + if (!mvmvif->phy_ctxt) + return; + + if (vif->type == NL80211_IFTYPE_STATION || + vif->type == NL80211_IFTYPE_AP) + __set_bit(mvmvif->phy_ctxt->id, data); +} + +int iwl_mvm_phy_ctx_count(struct iwl_mvm *mvm) +{ + unsigned long phy_ctxt_counter = 0; + + ieee80211_iterate_active_interfaces_atomic(mvm->hw, + IEEE80211_IFACE_ITER_NORMAL, + iwl_mvm_binding_iterator, + &phy_ctxt_counter); + + return hweight8(phy_ctxt_counter); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c index c182a8baf685..2b2d10800a55 100644 --- a/drivers/net/wireless/iwlwifi/mvm/power.c +++ b/drivers/net/wireless/iwlwifi/mvm/power.c @@ -246,30 +246,10 @@ static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm, IWL_MVM_PS_HEAVY_RX_THLD_PERCENT; } -static void iwl_mvm_binding_iterator(void *_data, u8 *mac, - struct ieee80211_vif *vif) -{ - unsigned long *data = _data; - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - if (!mvmvif->phy_ctxt) - return; - - if (vif->type == NL80211_IFTYPE_STATION || - vif->type == NL80211_IFTYPE_AP) - __set_bit(mvmvif->phy_ctxt->id, data); -} - static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - unsigned long phy_ctxt_counter = 0; - - ieee80211_iterate_active_interfaces_atomic(mvm->hw, - IEEE80211_IFACE_ITER_NORMAL, - iwl_mvm_binding_iterator, - &phy_ctxt_counter); if (!memcmp(mvmvif->uapsd_misbehaving_bssid, vif->bss_conf.bssid, ETH_ALEN)) @@ -291,7 +271,7 @@ static bool iwl_mvm_power_allow_uapsd(struct iwl_mvm *mvm, * Avoid using uAPSD if client is in DCM - * low latency issue in Miracast */ - if (hweight8(phy_ctxt_counter) >= 2) + if (iwl_mvm_phy_ctx_count(mvm) >= 2) return false; return true; @@ -503,6 +483,7 @@ int iwl_mvm_power_uapsd_misbehaving_ap_notif(struct iwl_mvm *mvm, } struct iwl_power_vifs { + struct iwl_mvm *mvm; struct ieee80211_vif *bf_vif; struct ieee80211_vif *bss_vif; struct ieee80211_vif *p2p_vif; @@ -512,6 +493,8 @@ struct iwl_power_vifs { bool bss_active; bool ap_active; bool monitor_active; + bool bss_tdls; + bool p2p_tdls; }; static void iwl_mvm_power_iterator(void *_data, u8 *mac, @@ -548,6 +531,8 @@ static void iwl_mvm_power_iterator(void *_data, u8 *mac, /* only a single MAC of the same type */ WARN_ON(power_iterator->p2p_vif); power_iterator->p2p_vif = vif; + power_iterator->p2p_tdls = + !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif); if (mvmvif->phy_ctxt) if (mvmvif->phy_ctxt->id < MAX_PHYS) power_iterator->p2p_active = true; @@ -557,6 +542,8 @@ static void iwl_mvm_power_iterator(void *_data, u8 *mac, /* only a single MAC of the same type */ WARN_ON(power_iterator->bss_vif); power_iterator->bss_vif = vif; + power_iterator->bss_tdls = + !!iwl_mvm_tdls_sta_count(power_iterator->mvm, vif); if (mvmvif->phy_ctxt) if (mvmvif->phy_ctxt->id < MAX_PHYS) power_iterator->bss_active = true; @@ -599,13 +586,15 @@ iwl_mvm_power_set_pm(struct iwl_mvm *mvm, ap_mvmvif = iwl_mvm_vif_from_mac80211(vifs->ap_vif); /* enable PM on bss if bss stand alone */ - if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active) { + if (vifs->bss_active && !vifs->p2p_active && !vifs->ap_active && + !vifs->bss_tdls) { bss_mvmvif->pm_enabled = true; return; } /* enable PM on p2p if p2p stand alone */ - if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active) { + if (vifs->p2p_active && !vifs->bss_active && !vifs->ap_active && + !vifs->p2p_tdls) { if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_P2P_PM) p2p_mvmvif->pm_enabled = true; return; @@ -831,7 +820,9 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, int iwl_mvm_power_update_mac(struct iwl_mvm *mvm) { struct iwl_mvm_vif *mvmvif; - struct iwl_power_vifs vifs = {}; + struct iwl_power_vifs vifs = { + .mvm = mvm, + }; bool ba_enable; int ret; diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c index ba68d7b84505..4e20b3ce2b6a 100644 --- a/drivers/net/wireless/iwlwifi/mvm/quota.c +++ b/drivers/net/wireless/iwlwifi/mvm/quota.c @@ -73,7 +73,7 @@ struct iwl_mvm_quota_iterator_data { int colors[MAX_BINDINGS]; int low_latency[MAX_BINDINGS]; int n_low_latency_bindings; - struct ieee80211_vif *new_vif; + struct ieee80211_vif *disabled_vif; }; static void iwl_mvm_quota_iterator(void *_data, u8 *mac, @@ -83,13 +83,8 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac, struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); u16 id; - /* - * We'll account for the new interface (if any) below, - * skip it here in case we're not called from within - * the add_interface callback (otherwise it won't show - * up in iteration) - */ - if (vif == data->new_vif) + /* skip disabled interfaces here immediately */ + if (vif == data->disabled_vif) return; if (!mvmvif->phy_ctxt) @@ -104,11 +99,6 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac, if (WARN_ON_ONCE(id >= MAX_BINDINGS)) return; - if (data->colors[id] < 0) - data->colors[id] = mvmvif->phy_ctxt->color; - else - WARN_ON_ONCE(data->colors[id] != mvmvif->phy_ctxt->color); - switch (vif->type) { case NL80211_IFTYPE_STATION: if (vif->bss_conf.assoc) @@ -130,6 +120,11 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac, return; } + if (data->colors[id] < 0) + data->colors[id] = mvmvif->phy_ctxt->color; + else + WARN_ON_ONCE(data->colors[id] != mvmvif->phy_ctxt->color); + data->n_interfaces[id]++; if (iwl_mvm_vif_low_latency(mvmvif) && !data->low_latency[id]) { @@ -171,14 +166,15 @@ static void iwl_mvm_adjust_quota_for_noa(struct iwl_mvm *mvm, #endif } -int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) +int iwl_mvm_update_quotas(struct iwl_mvm *mvm, + struct ieee80211_vif *disabled_vif) { struct iwl_time_quota_cmd cmd = {}; int i, idx, ret, num_active_macs, quota, quota_rem, n_non_lowlat; struct iwl_mvm_quota_iterator_data data = { .n_interfaces = {}, .colors = { -1, -1, -1, -1 }, - .new_vif = newvif, + .disabled_vif = disabled_vif, }; lockdep_assert_held(&mvm->mutex); @@ -193,10 +189,6 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, iwl_mvm_quota_iterator, &data); - if (newvif) { - data.new_vif = NULL; - iwl_mvm_quota_iterator(&data, newvif->addr, newvif); - } /* * The FW's scheduling session consists of @@ -285,6 +277,14 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *newvif) iwl_mvm_adjust_quota_for_noa(mvm, &cmd); + /* check that we have non-zero quota for all valid bindings */ + for (i = 0; i < MAX_BINDINGS; i++) { + if (cmd.quotas[i].id_and_color == cpu_to_le32(FW_CTXT_INVALID)) + continue; + WARN_ONCE(cmd.quotas[i].quota == 0, + "zero quota on binding %d\n", i); + } + ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, 0, sizeof(cmd), &cmd); if (ret) diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c index 306a6caa4868..c70e959bf0e3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/iwlwifi/mvm/rs.c @@ -927,7 +927,7 @@ static bool rs_get_lower_rate_in_column(struct iwl_lq_sta *lq_sta, u8 low; u16 high_low; u16 rate_mask; - struct iwl_mvm *mvm = lq_sta->drv; + struct iwl_mvm *mvm = lq_sta->pers.drv; rate_mask = rs_get_supported_rates(lq_sta, rate); high_low = rs_get_adjacent_rate(mvm, rate->index, rate_mask, @@ -946,7 +946,7 @@ static bool rs_get_lower_rate_in_column(struct iwl_lq_sta *lq_sta, static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta, struct rs_rate *rate) { - struct iwl_mvm *mvm = lq_sta->drv; + struct iwl_mvm *mvm = lq_sta->pers.drv; if (is_legacy(rate)) { /* No column to downgrade from Legacy */ @@ -1026,14 +1026,14 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband, if (!lq_sta) { IWL_DEBUG_RATE(mvm, "Station rate scaling not created yet.\n"); return; - } else if (!lq_sta->drv) { + } else if (!lq_sta->pers.drv) { IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); return; } #ifdef CONFIG_MAC80211_DEBUGFS /* Disable last tx check if we are debugging with fixed rate */ - if (lq_sta->dbg_fixed_rate) { + if (lq_sta->pers.dbg_fixed_rate) { IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n"); return; } @@ -1405,7 +1405,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search) int flush_interval_passed = 0; struct iwl_mvm *mvm; - mvm = lq_sta->drv; + mvm = lq_sta->pers.drv; active_tbl = lq_sta->active_tbl; tbl = &(lq_sta->lq_info[active_tbl]); @@ -1865,11 +1865,11 @@ static bool rs_tpc_perform(struct iwl_mvm *mvm, int weak_tpt = IWL_INVALID_VALUE, strong_tpt = IWL_INVALID_VALUE; #ifdef CONFIG_MAC80211_DEBUGFS - if (lq_sta->dbg_fixed_txp_reduction <= TPC_MAX_REDUCTION) { + if (lq_sta->pers.dbg_fixed_txp_reduction <= TPC_MAX_REDUCTION) { IWL_DEBUG_RATE(mvm, "fixed tpc: %d\n", - lq_sta->dbg_fixed_txp_reduction); - lq_sta->lq.reduced_tpc = lq_sta->dbg_fixed_txp_reduction; - return cur != lq_sta->dbg_fixed_txp_reduction; + lq_sta->pers.dbg_fixed_txp_reduction); + lq_sta->lq.reduced_tpc = lq_sta->pers.dbg_fixed_txp_reduction; + return cur != lq_sta->pers.dbg_fixed_txp_reduction; } #endif @@ -2382,7 +2382,7 @@ static void rs_get_rate(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta, } /* Treat uninitialized rate scaling data same as non-existing. */ - if (lq_sta && !lq_sta->drv) { + if (lq_sta && !lq_sta->pers.drv) { IWL_DEBUG_RATE(mvm, "Rate scaling not initialized yet.\n"); mvm_sta = NULL; } @@ -2401,12 +2401,18 @@ static void *rs_alloc_sta(void *mvm_rate, struct ieee80211_sta *sta, gfp_t gfp) { struct iwl_mvm_sta *sta_priv = (struct iwl_mvm_sta *)sta->drv_priv; - struct iwl_op_mode *op_mode __maybe_unused = - (struct iwl_op_mode *)mvm_rate; - struct iwl_mvm *mvm __maybe_unused = IWL_OP_MODE_GET_MVM(op_mode); + 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 = &sta_priv->lq_sta; IWL_DEBUG_RATE(mvm, "create station rate scale window\n"); + lq_sta->pers.drv = mvm; +#ifdef CONFIG_MAC80211_DEBUGFS + lq_sta->pers.dbg_fixed_rate = 0; + lq_sta->pers.dbg_fixed_txp_reduction = TPC_INVALID; +#endif + return &sta_priv->lq_sta; } @@ -2552,7 +2558,9 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, sta_priv = (struct iwl_mvm_sta *)sta->drv_priv; lq_sta = &sta_priv->lq_sta; - memset(lq_sta, 0, sizeof(*lq_sta)); + + /* clear all non-persistent lq data */ + memset(lq_sta, 0, offsetof(typeof(*lq_sta), pers)); sband = hw->wiphy->bands[band]; @@ -2630,17 +2638,12 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, /* as default allow aggregation for all tids */ lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID; - lq_sta->drv = mvm; /* Set last_txrate_idx to lowest rate */ lq_sta->last_txrate_idx = rate_lowest_index(sband, sta); if (sband->band == IEEE80211_BAND_5GHZ) lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; lq_sta->is_agg = 0; -#ifdef CONFIG_MAC80211_DEBUGFS - lq_sta->dbg_fixed_rate = 0; - lq_sta->dbg_fixed_txp_reduction = TPC_INVALID; -#endif #ifdef CONFIG_IWLWIFI_DEBUGFS iwl_mvm_reset_frame_stats(mvm, &mvm->drv_rx_stats); #endif @@ -2811,12 +2814,12 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm, u8 ant = initial_rate->ant; #ifdef CONFIG_MAC80211_DEBUGFS - if (lq_sta->dbg_fixed_rate) { + if (lq_sta->pers.dbg_fixed_rate) { rs_build_rates_table_from_fixed(mvm, lq_cmd, lq_sta->band, - lq_sta->dbg_fixed_rate); + lq_sta->pers.dbg_fixed_rate); lq_cmd->reduced_tpc = 0; - ant = (lq_sta->dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) >> + ant = (lq_sta->pers.dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS; } else #endif @@ -2926,14 +2929,14 @@ static void rs_program_fix_rate(struct iwl_mvm *mvm, lq_sta->active_mimo2_rate = 0x1FD0; /* 6 - 60 MBits, no 9, no CCK */ IWL_DEBUG_RATE(mvm, "sta_id %d rate 0x%X\n", - lq_sta->lq.sta_id, lq_sta->dbg_fixed_rate); + lq_sta->lq.sta_id, lq_sta->pers.dbg_fixed_rate); - if (lq_sta->dbg_fixed_rate) { + if (lq_sta->pers.dbg_fixed_rate) { struct rs_rate rate; - rs_rate_from_ucode_rate(lq_sta->dbg_fixed_rate, + rs_rate_from_ucode_rate(lq_sta->pers.dbg_fixed_rate, lq_sta->band, &rate); rs_fill_lq_cmd(mvm, NULL, lq_sta, &rate); - iwl_mvm_send_lq_cmd(lq_sta->drv, &lq_sta->lq, false); + iwl_mvm_send_lq_cmd(lq_sta->pers.drv, &lq_sta->lq, false); } } @@ -2946,16 +2949,16 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file, size_t buf_size; u32 parsed_rate; - mvm = lq_sta->drv; + mvm = lq_sta->pers.drv; memset(buf, 0, sizeof(buf)); buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; if (sscanf(buf, "%x", &parsed_rate) == 1) - lq_sta->dbg_fixed_rate = parsed_rate; + lq_sta->pers.dbg_fixed_rate = parsed_rate; else - lq_sta->dbg_fixed_rate = 0; + lq_sta->pers.dbg_fixed_rate = 0; rs_program_fix_rate(mvm, lq_sta); @@ -2974,7 +2977,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, struct iwl_mvm *mvm; struct iwl_scale_tbl_info *tbl = &(lq_sta->lq_info[lq_sta->active_tbl]); struct rs_rate *rate = &tbl->rate; - mvm = lq_sta->drv; + mvm = lq_sta->pers.drv; buff = kmalloc(2048, GFP_KERNEL); if (!buff) return -ENOMEM; @@ -2984,7 +2987,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, lq_sta->total_failed, lq_sta->total_success, lq_sta->active_legacy_rate); desc += sprintf(buff+desc, "fixed rate 0x%X\n", - lq_sta->dbg_fixed_rate); + lq_sta->pers.dbg_fixed_rate); desc += sprintf(buff+desc, "valid_tx_ant %s%s%s\n", (mvm->fw->valid_tx_ant & ANT_A) ? "ANT_A," : "", (mvm->fw->valid_tx_ant & ANT_B) ? "ANT_B," : "", @@ -3182,31 +3185,20 @@ static const struct file_operations rs_sta_dbgfs_drv_tx_stats_ops = { static void rs_add_debugfs(void *mvm, void *mvm_sta, struct dentry *dir) { struct iwl_lq_sta *lq_sta = mvm_sta; - lq_sta->rs_sta_dbgfs_scale_table_file = - debugfs_create_file("rate_scale_table", S_IRUSR | S_IWUSR, dir, - lq_sta, &rs_sta_dbgfs_scale_table_ops); - lq_sta->rs_sta_dbgfs_stats_table_file = - debugfs_create_file("rate_stats_table", S_IRUSR, dir, - lq_sta, &rs_sta_dbgfs_stats_table_ops); - lq_sta->rs_sta_dbgfs_drv_tx_stats_file = - debugfs_create_file("drv_tx_stats", S_IRUSR | S_IWUSR, dir, - lq_sta, &rs_sta_dbgfs_drv_tx_stats_ops); - lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file = - debugfs_create_u8("tx_agg_tid_enable", S_IRUSR | S_IWUSR, dir, - &lq_sta->tx_agg_tid_en); - lq_sta->rs_sta_dbgfs_reduced_txp_file = - debugfs_create_u8("reduced_tpc", S_IRUSR | S_IWUSR, dir, - &lq_sta->dbg_fixed_txp_reduction); + debugfs_create_file("rate_scale_table", S_IRUSR | S_IWUSR, dir, + lq_sta, &rs_sta_dbgfs_scale_table_ops); + debugfs_create_file("rate_stats_table", S_IRUSR, dir, + lq_sta, &rs_sta_dbgfs_stats_table_ops); + debugfs_create_file("drv_tx_stats", S_IRUSR | S_IWUSR, dir, + lq_sta, &rs_sta_dbgfs_drv_tx_stats_ops); + debugfs_create_u8("tx_agg_tid_enable", S_IRUSR | S_IWUSR, dir, + &lq_sta->tx_agg_tid_en); + debugfs_create_u8("reduced_tpc", S_IRUSR | S_IWUSR, dir, + &lq_sta->pers.dbg_fixed_txp_reduction); } static void rs_remove_debugfs(void *mvm, void *mvm_sta) { - struct iwl_lq_sta *lq_sta = mvm_sta; - debugfs_remove(lq_sta->rs_sta_dbgfs_scale_table_file); - debugfs_remove(lq_sta->rs_sta_dbgfs_stats_table_file); - debugfs_remove(lq_sta->rs_sta_dbgfs_drv_tx_stats_file); - debugfs_remove(lq_sta->rs_sta_dbgfs_tx_agg_tid_en_file); - debugfs_remove(lq_sta->rs_sta_dbgfs_reduced_txp_file); } #endif diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.h b/drivers/net/wireless/iwlwifi/mvm/rs.h index 374a83d7db25..f27b9d687a25 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/iwlwifi/mvm/rs.h @@ -349,16 +349,6 @@ struct iwl_lq_sta { struct iwl_lq_cmd lq; struct iwl_scale_tbl_info lq_info[LQ_SIZE]; /* "active", "search" */ u8 tx_agg_tid_en; -#ifdef CONFIG_MAC80211_DEBUGFS - struct dentry *rs_sta_dbgfs_scale_table_file; - struct dentry *rs_sta_dbgfs_stats_table_file; - struct dentry *rs_sta_dbgfs_drv_tx_stats_file; - struct dentry *rs_sta_dbgfs_tx_agg_tid_en_file; - struct dentry *rs_sta_dbgfs_reduced_txp_file; - u32 dbg_fixed_rate; - u8 dbg_fixed_txp_reduction; -#endif - struct iwl_mvm *drv; /* used to be in sta_info */ int last_txrate_idx; @@ -369,6 +359,15 @@ struct iwl_lq_sta { /* tx power reduce for this sta */ int tpc_reduce; + + /* persistent fields - initialized only once - keep last! */ + struct { +#ifdef CONFIG_MAC80211_DEBUGFS + u32 dbg_fixed_rate; + u8 dbg_fixed_txp_reduction; +#endif + struct iwl_mvm *drv; + } pers; }; /* Initialize station's rate scaling information after adding station */ diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c index cf7276967acd..4b98987fc413 100644 --- a/drivers/net/wireless/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/iwlwifi/mvm/rx.c @@ -259,6 +259,23 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, memset(&rx_status, 0, sizeof(rx_status)); /* + * 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)) { + struct ieee80211_sta *sta; + + rcu_read_lock(); + + sta = ieee80211_find_sta( + rcu_dereference(mvm->csa_tx_blocked_vif), hdr->addr2); + if (sta) + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false); + + rcu_read_unlock(); + } + + /* * drop the packet if it has failed being decrypted by HW */ if (iwl_mvm_set_mac80211_rx_flag(mvm, hdr, &rx_status, rx_pkt_status)) { diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index eac2b424f6a0..004b1f5d0314 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -97,10 +97,9 @@ static inline __le16 iwl_mvm_scan_rx_chain(struct iwl_mvm *mvm) return cpu_to_le16(rx_chain); } -static inline __le32 -iwl_mvm_scan_rxon_flags(struct cfg80211_scan_request *req) +static __le32 iwl_mvm_scan_rxon_flags(enum ieee80211_band band) { - if (req->channels[0]->band == IEEE80211_BAND_2GHZ) + if (band == IEEE80211_BAND_2GHZ) return cpu_to_le32(PHY_BAND_24); else return cpu_to_le32(PHY_BAND_5); @@ -130,19 +129,19 @@ iwl_mvm_scan_rate_n_flags(struct iwl_mvm *mvm, enum ieee80211_band band, * request list, is not copied here, but inserted directly to the probe * request. */ -static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd, - struct cfg80211_scan_request *req, - int first) +static void iwl_mvm_scan_fill_ssids(struct iwl_ssid_ie *cmd_ssid, + struct cfg80211_ssid *ssids, + int n_ssids, int first) { int fw_idx, req_idx; - for (req_idx = req->n_ssids - 1, fw_idx = 0; req_idx >= first; + for (req_idx = n_ssids - 1, fw_idx = 0; req_idx >= first; req_idx--, fw_idx++) { - cmd->direct_scan[fw_idx].id = WLAN_EID_SSID; - cmd->direct_scan[fw_idx].len = req->ssids[req_idx].ssid_len; - memcpy(cmd->direct_scan[fw_idx].ssid, - req->ssids[req_idx].ssid, - req->ssids[req_idx].ssid_len); + cmd_ssid[fw_idx].id = WLAN_EID_SSID; + cmd_ssid[fw_idx].len = ssids[req_idx].ssid_len; + memcpy(cmd_ssid[fw_idx].ssid, + ssids[req_idx].ssid, + ssids[req_idx].ssid_len); } } @@ -204,7 +203,8 @@ static void iwl_mvm_scan_fill_channels(struct iwl_scan_cmd *cmd, */ static u16 iwl_mvm_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta, int n_ssids, const u8 *ssid, int ssid_len, - const u8 *ie, int ie_len, + const u8 *band_ie, int band_ie_len, + const u8 *common_ie, int common_ie_len, int left) { int len = 0; @@ -244,12 +244,19 @@ static u16 iwl_mvm_fill_probe_req(struct ieee80211_mgmt *frame, const u8 *ta, len += ssid_len + 2; - if (WARN_ON(left < ie_len)) + if (WARN_ON(left < band_ie_len + common_ie_len)) return len; - if (ie && ie_len) { - memcpy(pos, ie, ie_len); - len += ie_len; + if (band_ie && band_ie_len) { + memcpy(pos, band_ie, band_ie_len); + pos += band_ie_len; + len += band_ie_len; + } + + if (common_ie && common_ie_len) { + memcpy(pos, common_ie, common_ie_len); + pos += common_ie_len; + len += common_ie_len; } return (u16)len; @@ -267,7 +274,7 @@ static void iwl_mvm_scan_condition_iterator(void *data, u8 *mac, static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - int n_ssids, + int n_ssids, u32 flags, struct iwl_mvm_scan_params *params) { bool global_bound = false; @@ -289,6 +296,9 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm, params->max_out_time = 250; } + if (flags & NL80211_SCAN_FLAG_LOW_PRIORITY) + params->max_out_time = 200; + not_bound: for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) { @@ -325,22 +335,20 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, IWL_DEBUG_SCAN(mvm, "Handling mac80211 scan request\n"); mvm->scan_status = IWL_MVM_SCAN_OS; - memset(cmd, 0, sizeof(struct iwl_scan_cmd) + - mvm->fw->ucode_capa.max_probe_length + - (MAX_NUM_SCAN_CHANNELS * sizeof(struct iwl_scan_channel))); + memset(cmd, 0, ksize(cmd)); cmd->channel_count = (u8)req->n_channels; cmd->quiet_time = cpu_to_le16(IWL_ACTIVE_QUIET_TIME); cmd->quiet_plcp_th = cpu_to_le16(IWL_PLCP_QUIET_THRESH); cmd->rxchain_sel_flags = iwl_mvm_scan_rx_chain(mvm); - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, ¶ms); + iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, req->flags, ¶ms); cmd->max_out_time = cpu_to_le32(params.max_out_time); cmd->suspend_time = cpu_to_le32(params.suspend_time); if (params.passive_fragmented) cmd->scan_flags |= SCAN_FLAGS_FRAGMENTED_SCAN; - cmd->rxon_flags = iwl_mvm_scan_rxon_flags(req); + cmd->rxon_flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band); cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | MAC_FILTER_IN_BEACON); @@ -367,7 +375,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, cmd->scan_flags &= ~SCAN_FLAGS_PASSIVE2ACTIVE; } - iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0); + iwl_mvm_scan_fill_ssids(cmd->direct_scan, req->ssids, req->n_ssids, + basic_ssid ? 1 : 0); cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | TX_CMD_FLG_BT_DIS); @@ -382,7 +391,7 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, (struct ieee80211_mgmt *)cmd->data, vif->addr, req->n_ssids, ssid, ssid_len, - req->ie, req->ie_len, + req->ie, req->ie_len, NULL, 0, mvm->fw->ucode_capa.max_probe_length)); iwl_mvm_scan_fill_channels(cmd, req, basic_ssid, ¶ms); @@ -441,16 +450,27 @@ int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, return 0; } -int iwl_mvm_rx_sched_scan_results(struct iwl_mvm *mvm, - struct iwl_rx_cmd_buffer *rxb, - struct iwl_device_cmd *cmd) +int iwl_mvm_rx_scan_offload_results(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb, + struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_sched_scan_results *notif = (void *)pkt->data; + u8 client_bitmap = 0; - if (notif->client_bitmap & SCAN_CLIENT_SCHED_SCAN) { - IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n"); - ieee80211_sched_scan_results(mvm->hw); + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)) { + struct iwl_sched_scan_results *notif = (void *)pkt->data; + + client_bitmap = notif->client_bitmap; + } + + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN || + client_bitmap & SCAN_CLIENT_SCHED_SCAN) { + if (mvm->scan_status == IWL_MVM_SCAN_SCHED) { + IWL_DEBUG_SCAN(mvm, "Scheduled scan results\n"); + ieee80211_sched_scan_results(mvm->hw); + } else { + IWL_DEBUG_SCAN(mvm, "Scan results\n"); + } } return 0; @@ -494,7 +514,7 @@ static bool iwl_mvm_scan_abort_notif(struct iwl_notif_wait_data *notif_wait, }; } -int iwl_mvm_cancel_scan(struct iwl_mvm *mvm) +static int iwl_mvm_cancel_regular_scan(struct iwl_mvm *mvm) { struct iwl_notification_wait wait_scan_abort; static const u8 scan_abort_notif[] = { SCAN_ABORT_CMD, @@ -535,33 +555,52 @@ int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm, struct iwl_device_cmd *cmd) { struct iwl_rx_packet *pkt = rxb_addr(rxb); - struct iwl_scan_offload_complete *scan_notif = (void *)pkt->data; + u8 status, ebs_status; + + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) { + struct iwl_periodic_scan_complete *scan_notif; + + scan_notif = (void *)pkt->data; + status = scan_notif->status; + ebs_status = scan_notif->ebs_status; + } else { + struct iwl_scan_offload_complete *scan_notif; + scan_notif = (void *)pkt->data; + status = scan_notif->status; + ebs_status = scan_notif->ebs_status; + } /* scan status must be locked for proper checking */ lockdep_assert_held(&mvm->mutex); IWL_DEBUG_SCAN(mvm, - "Scheduled scan completed, status %s EBS status %s:%d\n", - scan_notif->status == IWL_SCAN_OFFLOAD_COMPLETED ? - "completed" : "aborted", scan_notif->ebs_status == - IWL_SCAN_EBS_SUCCESS ? "success" : "failed", - scan_notif->ebs_status); + "%s completed, status %s, EBS status %s\n", + mvm->scan_status == IWL_MVM_SCAN_SCHED ? + "Scheduled scan" : "Scan", + status == IWL_SCAN_OFFLOAD_COMPLETED ? + "completed" : "aborted", + ebs_status == IWL_SCAN_EBS_SUCCESS ? + "success" : "failed"); /* only call mac80211 completion if the stop was initiated by FW */ if (mvm->scan_status == IWL_MVM_SCAN_SCHED) { mvm->scan_status = IWL_MVM_SCAN_NONE; ieee80211_sched_scan_stopped(mvm->hw); + } else if (mvm->scan_status == IWL_MVM_SCAN_OS) { + mvm->scan_status = IWL_MVM_SCAN_NONE; + ieee80211_scan_completed(mvm->hw, + status == IWL_SCAN_OFFLOAD_ABORTED); } - mvm->last_ebs_successful = !scan_notif->ebs_status; + mvm->last_ebs_successful = !ebs_status; return 0; } static void iwl_scan_offload_build_tx_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct ieee80211_sched_scan_ies *ies, + struct ieee80211_scan_ies *ies, enum ieee80211_band band, struct iwl_tx_cmd *cmd, u8 *data) @@ -577,7 +616,8 @@ static void iwl_scan_offload_build_tx_cmd(struct iwl_mvm *mvm, cmd_len = iwl_mvm_fill_probe_req((struct ieee80211_mgmt *)data, vif->addr, 1, NULL, 0, - ies->ie[band], ies->len[band], + ies->ies[band], ies->len[band], + ies->common_ies, ies->common_ie_len, SCAN_OFFLOAD_PROBE_REQ_SIZE); cmd->len = cpu_to_le16(cmd_len); } @@ -621,8 +661,8 @@ static int iwl_ssid_exist(u8 *ssid, u8 ssid_len, struct iwl_ssid_ie *ssid_list) } static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, - struct iwl_scan_offload_cmd *scan, - u32 *ssid_bitmap) + struct iwl_ssid_ie *direct_scan, + u32 *ssid_bitmap, bool basic_ssid) { int i, j; int index; @@ -636,10 +676,10 @@ static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, /* skip empty SSID matchsets */ if (!req->match_sets[i].ssid.ssid_len) continue; - scan->direct_scan[i].id = WLAN_EID_SSID; - scan->direct_scan[i].len = req->match_sets[i].ssid.ssid_len; - memcpy(scan->direct_scan[i].ssid, req->match_sets[i].ssid.ssid, - scan->direct_scan[i].len); + direct_scan[i].id = WLAN_EID_SSID; + direct_scan[i].len = req->match_sets[i].ssid.ssid_len; + memcpy(direct_scan[i].ssid, req->match_sets[i].ssid.ssid, + direct_scan[i].len); } /* add SSIDs from scan SSID list */ @@ -647,14 +687,14 @@ static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, for (j = 0; j < req->n_ssids && i < PROBE_OPTION_MAX; j++) { index = iwl_ssid_exist(req->ssids[j].ssid, req->ssids[j].ssid_len, - scan->direct_scan); + direct_scan); if (index < 0) { - if (!req->ssids[j].ssid_len) + if (!req->ssids[j].ssid_len && basic_ssid) continue; - scan->direct_scan[i].id = WLAN_EID_SSID; - scan->direct_scan[i].len = req->ssids[j].ssid_len; - memcpy(scan->direct_scan[i].ssid, req->ssids[j].ssid, - scan->direct_scan[i].len); + direct_scan[i].id = WLAN_EID_SSID; + direct_scan[i].len = req->ssids[j].ssid_len; + memcpy(direct_scan[i].ssid, req->ssids[j].ssid, + direct_scan[i].len); *ssid_bitmap |= BIT(i + 1); i++; } else { @@ -665,12 +705,19 @@ static void iwl_scan_offload_build_ssid(struct cfg80211_sched_scan_request *req, static void iwl_build_channel_cfg(struct iwl_mvm *mvm, struct cfg80211_sched_scan_request *req, - struct iwl_scan_channel_cfg *channels, + u8 *channels_buffer, enum ieee80211_band band, int *head, u32 ssid_bitmap, struct iwl_mvm_scan_params *params) { + u32 n_channels = mvm->fw->ucode_capa.n_scan_channels; + __le32 *type = (__le32 *)channels_buffer; + __le16 *channel_number = (__le16 *)(type + n_channels); + __le16 *iter_count = channel_number + n_channels; + __le32 *iter_interval = (__le32 *)(iter_count + n_channels); + u8 *active_dwell = (u8 *)(iter_interval + n_channels); + u8 *passive_dwell = active_dwell + n_channels; int i, index = 0; for (i = 0; i < req->n_channels; i++) { @@ -682,34 +729,33 @@ static void iwl_build_channel_cfg(struct iwl_mvm *mvm, index = *head; (*head)++; - channels->channel_number[index] = cpu_to_le16(chan->hw_value); - channels->dwell_time[index][0] = params->dwell[band].active; - channels->dwell_time[index][1] = params->dwell[band].passive; + channel_number[index] = cpu_to_le16(chan->hw_value); + active_dwell[index] = params->dwell[band].active; + passive_dwell[index] = params->dwell[band].passive; - channels->iter_count[index] = cpu_to_le16(1); - channels->iter_interval[index] = 0; + iter_count[index] = cpu_to_le16(1); + iter_interval[index] = 0; if (!(chan->flags & IEEE80211_CHAN_NO_IR)) - channels->type[index] |= + type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_ACTIVE); - channels->type[index] |= - cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL | - IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); + type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_FULL | + IWL_SCAN_OFFLOAD_CHANNEL_PARTIAL); if (chan->flags & IEEE80211_CHAN_NO_HT40) - channels->type[index] |= + type[index] |= cpu_to_le32(IWL_SCAN_OFFLOAD_CHANNEL_NARROW); /* scan for all SSIDs from req->ssids */ - channels->type[index] |= cpu_to_le32(ssid_bitmap); + type[index] |= cpu_to_le32(ssid_bitmap); } } int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct cfg80211_sched_scan_request *req, - struct ieee80211_sched_scan_ies *ies) + struct ieee80211_scan_ies *ies) { int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels; int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels; @@ -717,6 +763,9 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, u32 ssid_bitmap; int cmd_len; int ret; + u8 *probes; + bool basic_ssid = !(mvm->fw->ucode_capa.flags & + IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID); struct iwl_scan_offload_cfg *scan_cfg; struct iwl_host_cmd cmd = { @@ -727,24 +776,29 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); cmd_len = sizeof(struct iwl_scan_offload_cfg) + + mvm->fw->ucode_capa.n_scan_channels * IWL_SCAN_CHAN_SIZE + 2 * SCAN_OFFLOAD_PROBE_REQ_SIZE; scan_cfg = kzalloc(cmd_len, GFP_KERNEL); if (!scan_cfg) return -ENOMEM; - iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, ¶ms); + probes = scan_cfg->data + + mvm->fw->ucode_capa.n_scan_channels * IWL_SCAN_CHAN_SIZE; + + iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, ¶ms); iwl_build_scan_cmd(mvm, vif, req, &scan_cfg->scan_cmd, ¶ms); scan_cfg->scan_cmd.len = cpu_to_le16(cmd_len); - iwl_scan_offload_build_ssid(req, &scan_cfg->scan_cmd, &ssid_bitmap); + iwl_scan_offload_build_ssid(req, scan_cfg->scan_cmd.direct_scan, + &ssid_bitmap, basic_ssid); /* build tx frames for supported bands */ if (band_2ghz) { iwl_scan_offload_build_tx_cmd(mvm, vif, ies, IEEE80211_BAND_2GHZ, &scan_cfg->scan_cmd.tx_cmd[0], - scan_cfg->data); - iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, + probes); + iwl_build_channel_cfg(mvm, req, scan_cfg->data, IEEE80211_BAND_2GHZ, &head, ssid_bitmap, ¶ms); } @@ -752,9 +806,9 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm, iwl_scan_offload_build_tx_cmd(mvm, vif, ies, IEEE80211_BAND_5GHZ, &scan_cfg->scan_cmd.tx_cmd[1], - scan_cfg->data + + probes + SCAN_OFFLOAD_PROBE_REQ_SIZE); - iwl_build_channel_cfg(mvm, req, &scan_cfg->channel_cfg, + iwl_build_channel_cfg(mvm, req, scan_cfg->data, IEEE80211_BAND_5GHZ, &head, ssid_bitmap, ¶ms); } @@ -845,11 +899,11 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, .watchdog = IWL_SCHED_SCAN_WATCHDOG, .schedule_line[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS, - .schedule_line[0].delay = req->interval / 1000, + .schedule_line[0].delay = cpu_to_le16(req->interval / 1000), .schedule_line[0].full_scan_mul = 1, .schedule_line[1].iterations = 0xff, - .schedule_line[1].delay = req->interval / 1000, + .schedule_line[1].delay = cpu_to_le16(req->interval / 1000), .schedule_line[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER, }; @@ -872,7 +926,7 @@ int iwl_mvm_sched_scan_start(struct iwl_mvm *mvm, sizeof(scan_req), &scan_req); } -static int iwl_mvm_send_sched_scan_abort(struct iwl_mvm *mvm) +static int iwl_mvm_send_scan_offload_abort(struct iwl_mvm *mvm) { int ret; struct iwl_host_cmd cmd = { @@ -883,7 +937,9 @@ static int iwl_mvm_send_sched_scan_abort(struct iwl_mvm *mvm) /* Exit instantly with error when device is not ready * to receive scan abort command or it does not perform * scheduled scan currently */ - if (mvm->scan_status != IWL_MVM_SCAN_SCHED) + if (mvm->scan_status != IWL_MVM_SCAN_SCHED && + (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) || + mvm->scan_status != IWL_MVM_SCAN_OS)) return -EIO; ret = iwl_mvm_send_cmd_status(mvm, &cmd, &status); @@ -905,16 +961,19 @@ static int iwl_mvm_send_sched_scan_abort(struct iwl_mvm *mvm) return ret; } -int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify) +int iwl_mvm_scan_offload_stop(struct iwl_mvm *mvm, bool notify) { int ret; struct iwl_notification_wait wait_scan_done; static const u8 scan_done_notif[] = { SCAN_OFFLOAD_COMPLETE, }; + bool sched = mvm->scan_status == IWL_MVM_SCAN_SCHED; lockdep_assert_held(&mvm->mutex); - if (mvm->scan_status != IWL_MVM_SCAN_SCHED) { - IWL_DEBUG_SCAN(mvm, "No offloaded scan to stop\n"); + if (mvm->scan_status != IWL_MVM_SCAN_SCHED && + (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) || + mvm->scan_status != IWL_MVM_SCAN_OS)) { + IWL_DEBUG_SCAN(mvm, "No scan to stop\n"); return 0; } @@ -923,14 +982,16 @@ int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify) ARRAY_SIZE(scan_done_notif), NULL, NULL); - ret = iwl_mvm_send_sched_scan_abort(mvm); + ret = iwl_mvm_send_scan_offload_abort(mvm); if (ret) { - IWL_DEBUG_SCAN(mvm, "Send stop offload scan failed %d\n", ret); + IWL_DEBUG_SCAN(mvm, "Send stop %sscan failed %d\n", + sched ? "offloaded " : "", ret); iwl_remove_notification(&mvm->notif_wait, &wait_scan_done); return ret; } - IWL_DEBUG_SCAN(mvm, "Successfully sent stop offload scan\n"); + IWL_DEBUG_SCAN(mvm, "Successfully sent stop %sscan\n", + sched ? "offloaded " : ""); ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ); if (ret) @@ -943,8 +1004,317 @@ int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify) */ mvm->scan_status = IWL_MVM_SCAN_NONE; - if (notify) - ieee80211_sched_scan_stopped(mvm->hw); + if (notify) { + if (sched) + ieee80211_sched_scan_stopped(mvm->hw); + else + ieee80211_scan_completed(mvm->hw, true); + } return 0; } + +static void iwl_mvm_unified_scan_fill_tx_cmd(struct iwl_mvm *mvm, + struct iwl_scan_req_tx_cmd *tx_cmd, + bool no_cck) +{ + tx_cmd[0].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); + tx_cmd[0].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, + IEEE80211_BAND_2GHZ, + no_cck); + tx_cmd[0].sta_id = mvm->aux_sta.sta_id; + + tx_cmd[1].tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); + tx_cmd[1].rate_n_flags = iwl_mvm_scan_rate_n_flags(mvm, + IEEE80211_BAND_5GHZ, + no_cck); + tx_cmd[1].sta_id = mvm->aux_sta.sta_id; +} + +static void +iwl_mvm_lmac_scan_cfg_channels(struct iwl_mvm *mvm, + struct ieee80211_channel **channels, + int n_channels, u32 ssid_bitmap, + struct iwl_scan_req_unified_lmac *cmd) +{ + struct iwl_scan_channel_cfg_lmac *channel_cfg = (void *)&cmd->data; + int i; + + for (i = 0; i < n_channels; i++) { + channel_cfg[i].channel_num = + cpu_to_le16(channels[i]->hw_value); + channel_cfg[i].iter_count = cpu_to_le16(1); + channel_cfg[i].iter_interval = 0; + channel_cfg[i].flags = + cpu_to_le32(IWL_UNIFIED_SCAN_CHANNEL_PARTIAL | + ssid_bitmap); + } +} + +static void +iwl_mvm_build_unified_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + struct ieee80211_scan_ies *ies, + struct iwl_scan_req_unified_lmac *cmd) +{ + struct iwl_scan_probe_req *preq = (void *)(cmd->data + + sizeof(struct iwl_scan_channel_cfg_lmac) * + mvm->fw->ucode_capa.n_scan_channels); + struct ieee80211_mgmt *frame = (struct ieee80211_mgmt *)preq->buf; + u8 *pos; + + frame->frame_control = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + eth_broadcast_addr(frame->da); + memcpy(frame->sa, vif->addr, ETH_ALEN); + eth_broadcast_addr(frame->bssid); + frame->seq_ctrl = 0; + + pos = frame->u.probe_req.variable; + *pos++ = WLAN_EID_SSID; + *pos++ = 0; + + preq->mac_header.offset = 0; + preq->mac_header.len = cpu_to_le16(24 + 2); + + memcpy(pos, ies->ies[IEEE80211_BAND_2GHZ], + ies->len[IEEE80211_BAND_2GHZ]); + preq->band_data[0].offset = cpu_to_le16(pos - preq->buf); + preq->band_data[0].len = cpu_to_le16(ies->len[IEEE80211_BAND_2GHZ]); + pos += ies->len[IEEE80211_BAND_2GHZ]; + + memcpy(pos, ies->ies[IEEE80211_BAND_5GHZ], + ies->len[IEEE80211_BAND_5GHZ]); + preq->band_data[1].offset = cpu_to_le16(pos - preq->buf); + preq->band_data[1].len = cpu_to_le16(ies->len[IEEE80211_BAND_5GHZ]); + pos += ies->len[IEEE80211_BAND_5GHZ]; + + memcpy(pos, ies->common_ies, ies->common_ie_len); + preq->common_data.offset = cpu_to_le16(pos - preq->buf); + preq->common_data.len = cpu_to_le16(ies->common_ie_len); +} + +static void +iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm, + struct iwl_scan_req_unified_lmac *cmd, + struct iwl_mvm_scan_params *params) +{ + memset(cmd, 0, ksize(cmd)); + cmd->active_dwell = (u8)params->dwell[IEEE80211_BAND_2GHZ].active; + cmd->passive_dwell = (u8)params->dwell[IEEE80211_BAND_2GHZ].passive; + /* TODO: Use params; now fragmented isn't used. */ + cmd->fragmented_dwell = 0; + cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm); + cmd->max_out_time = cpu_to_le32(params->max_out_time); + cmd->suspend_time = cpu_to_le32(params->suspend_time); + cmd->scan_prio = cpu_to_le32(IWL_SCAN_PRIORITY_HIGH); + cmd->iter_num = cpu_to_le32(1); + + if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_EBS_SUPPORT && + mvm->last_ebs_successful) { + cmd->channel_opt[0].flags = + cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | + IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | + IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); + cmd->channel_opt[1].flags = + cpu_to_le16(IWL_SCAN_CHANNEL_FLAG_EBS | + IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE | + IWL_SCAN_CHANNEL_FLAG_CACHE_ADD); + } +} + +int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_scan_request *req) +{ + struct iwl_host_cmd hcmd = { + .id = SCAN_OFFLOAD_REQUEST_CMD, + .len = { sizeof(struct iwl_scan_req_unified_lmac) + + sizeof(struct iwl_scan_channel_cfg_lmac) * + mvm->fw->ucode_capa.n_scan_channels + + sizeof(struct iwl_scan_probe_req), }, + .data = { mvm->scan_cmd, }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + struct iwl_scan_req_unified_lmac *cmd = mvm->scan_cmd; + struct iwl_mvm_scan_params params = {}; + u32 flags; + int ssid_bitmap = 0; + int ret, i; + + lockdep_assert_held(&mvm->mutex); + + /* we should have failed registration if scan_cmd was NULL */ + if (WARN_ON(mvm->scan_cmd == NULL)) + return -ENOMEM; + + if (WARN_ON_ONCE(req->req.n_ssids > PROBE_OPTION_MAX || + req->ies.common_ie_len + req->ies.len[0] + + req->ies.len[1] + 24 + 2 > + SCAN_OFFLOAD_PROBE_REQ_SIZE || + req->req.n_channels > + mvm->fw->ucode_capa.n_scan_channels)) + return -1; + + mvm->scan_status = IWL_MVM_SCAN_OS; + + iwl_mvm_scan_calc_params(mvm, vif, req->req.n_ssids, req->req.flags, + ¶ms); + + iwl_mvm_build_generic_unified_scan_cmd(mvm, cmd, ¶ms); + + cmd->n_channels = (u8)req->req.n_channels; + + flags = IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; + + if (req->req.n_ssids == 1 && req->req.ssids[0].ssid_len != 0) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; + + if (params.passive_fragmented) + flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; + + if (req->req.n_ssids == 0) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; + + cmd->scan_flags = cpu_to_le32(flags); + + cmd->flags = iwl_mvm_scan_rxon_flags(req->req.channels[0]->band); + cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | + MAC_FILTER_IN_BEACON); + iwl_mvm_unified_scan_fill_tx_cmd(mvm, cmd->tx_cmd, req->req.no_cck); + iwl_mvm_scan_fill_ssids(cmd->direct_scan, req->req.ssids, + req->req.n_ssids, 0); + + cmd->schedule[0].delay = 0; + cmd->schedule[0].iterations = 1; + cmd->schedule[0].full_scan_mul = 0; + cmd->schedule[1].delay = 0; + cmd->schedule[1].iterations = 0; + cmd->schedule[1].full_scan_mul = 0; + + for (i = 1; i <= req->req.n_ssids; i++) + ssid_bitmap |= BIT(i); + + iwl_mvm_lmac_scan_cfg_channels(mvm, req->req.channels, + req->req.n_channels, ssid_bitmap, + cmd); + + iwl_mvm_build_unified_scan_probe(mvm, vif, &req->ies, cmd); + + ret = iwl_mvm_send_cmd(mvm, &hcmd); + if (!ret) { + IWL_DEBUG_SCAN(mvm, "Scan request was sent successfully\n"); + } else { + /* + * If the scan failed, it usually means that the FW was unable + * to allocate the time events. Warn on it, but maybe we + * should try to send the command again with different params. + */ + IWL_ERR(mvm, "Scan failed! ret %d\n", ret); + mvm->scan_status = IWL_MVM_SCAN_NONE; + ret = -EIO; + } + return ret; +} + +int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_scan_ies *ies) +{ + struct iwl_host_cmd hcmd = { + .id = SCAN_OFFLOAD_REQUEST_CMD, + .len = { sizeof(struct iwl_scan_req_unified_lmac) + + sizeof(struct iwl_scan_channel_cfg_lmac) * + mvm->fw->ucode_capa.n_scan_channels + + sizeof(struct iwl_scan_probe_req), }, + .data = { mvm->scan_cmd, }, + .dataflags = { IWL_HCMD_DFL_NOCOPY, }, + }; + struct iwl_scan_req_unified_lmac *cmd = mvm->scan_cmd; + struct iwl_mvm_scan_params params = {}; + int ret; + u32 flags = 0, ssid_bitmap = 0; + + lockdep_assert_held(&mvm->mutex); + + /* we should have failed registration if scan_cmd was NULL */ + if (WARN_ON(mvm->scan_cmd == NULL)) + return -ENOMEM; + + if (WARN_ON_ONCE(req->n_ssids > PROBE_OPTION_MAX || + ies->common_ie_len + ies->len[0] + ies->len[1] + 24 + 2 + > SCAN_OFFLOAD_PROBE_REQ_SIZE || + req->n_channels > mvm->fw->ucode_capa.n_scan_channels)) + return -ENOBUFS; + + iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, ¶ms); + + iwl_mvm_build_generic_unified_scan_cmd(mvm, cmd, ¶ms); + + cmd->n_channels = (u8)req->n_channels; + + if (req->n_match_sets && req->match_sets[0].ssid.ssid_len) { + IWL_DEBUG_SCAN(mvm, + "Sending scheduled scan with filtering, n_match_sets %d\n", + req->n_match_sets); + } else { + IWL_DEBUG_SCAN(mvm, + "Sending Scheduled scan without filtering\n"); + flags |= IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL; + } + + if (req->n_ssids == 1 && req->ssids[0].ssid_len != 0) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PRE_CONNECTION; + + if (params.passive_fragmented) + flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED; + + if (req->n_ssids == 0) + flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE; + + cmd->scan_flags = cpu_to_le32(flags); + + cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band); + cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP | + MAC_FILTER_IN_BEACON); + iwl_mvm_unified_scan_fill_tx_cmd(mvm, cmd->tx_cmd, false); + iwl_scan_offload_build_ssid(req, cmd->direct_scan, &ssid_bitmap, false); + + cmd->schedule[0].delay = cpu_to_le16(req->interval / MSEC_PER_SEC); + cmd->schedule[0].iterations = IWL_FAST_SCHED_SCAN_ITERATIONS; + cmd->schedule[0].full_scan_mul = 1; + + cmd->schedule[1].delay = cpu_to_le16(req->interval / MSEC_PER_SEC); + cmd->schedule[1].iterations = 0xff; + cmd->schedule[1].full_scan_mul = IWL_FULL_SCAN_MULTIPLIER; + + iwl_mvm_lmac_scan_cfg_channels(mvm, req->channels, req->n_channels, + ssid_bitmap, cmd); + + iwl_mvm_build_unified_scan_probe(mvm, vif, ies, cmd); + + ret = iwl_mvm_send_cmd(mvm, &hcmd); + if (!ret) { + IWL_DEBUG_SCAN(mvm, + "Sched scan request was sent successfully\n"); + } else { + /* + * If the scan failed, it usually means that the FW was unable + * to allocate the time events. Warn on it, but maybe we + * should try to send the command again with different params. + */ + IWL_ERR(mvm, "Sched scan failed! ret %d\n", ret); + mvm->scan_status = IWL_MVM_SCAN_NONE; + ret = -EIO; + } + return ret; +} + + +int iwl_mvm_cancel_scan(struct iwl_mvm *mvm) +{ + if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) + return iwl_mvm_scan_offload_stop(mvm, true); + return iwl_mvm_cancel_regular_scan(mvm); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 1fb01ea2e704..763548880399 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -98,23 +98,21 @@ int iwl_mvm_sta_send_to_fw(struct iwl_mvm *mvm, struct ieee80211_sta *sta, bool update) { struct iwl_mvm_sta *mvm_sta = (void *)sta->drv_priv; - struct iwl_mvm_add_sta_cmd add_sta_cmd; + struct iwl_mvm_add_sta_cmd add_sta_cmd = { + .sta_id = mvm_sta->sta_id, + .mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color), + .add_modify = update ? 1 : 0, + .station_flags_msk = cpu_to_le32(STA_FLG_FAT_EN_MSK | + STA_FLG_MIMO_EN_MSK), + }; int ret; u32 status; u32 agg_size = 0, mpdu_dens = 0; - memset(&add_sta_cmd, 0, sizeof(add_sta_cmd)); - - add_sta_cmd.sta_id = mvm_sta->sta_id; - add_sta_cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color); if (!update) { add_sta_cmd.tfd_queue_msk = cpu_to_le32(mvm_sta->tfd_queue_msk); memcpy(&add_sta_cmd.addr, sta->addr, ETH_ALEN); } - add_sta_cmd.add_modify = update ? 1 : 0; - - add_sta_cmd.station_flags_msk |= cpu_to_le32(STA_FLG_FAT_EN_MSK | - STA_FLG_MIMO_EN_MSK); switch (sta->bandwidth) { case IEEE80211_STA_RX_BW_160: @@ -528,8 +526,12 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); - /* Add the aux station, but without any queues */ - ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, 0, + /* Map Aux queue to fifo - needs to happen before adding Aux station */ + iwl_trans_ac_txq_enable(mvm->trans, mvm->aux_queue, + IWL_MVM_TX_FIFO_MCAST); + + /* Allocate aux station and assign to it the aux queue */ + ret = iwl_mvm_allocate_int_sta(mvm, &mvm->aux_sta, BIT(mvm->aux_queue), NL80211_IFTYPE_UNSPECIFIED); if (ret) return ret; @@ -1448,3 +1450,77 @@ int iwl_mvm_rx_eosp_notif(struct iwl_mvm *mvm, return 0; } + +void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvmsta, bool disable) +{ + struct iwl_mvm_add_sta_cmd cmd = { + .add_modify = STA_MODE_MODIFY, + .sta_id = mvmsta->sta_id, + .station_flags = disable ? cpu_to_le32(STA_FLG_DISABLE_TX) : 0, + .station_flags_msk = cpu_to_le32(STA_FLG_DISABLE_TX), + .mac_id_n_color = cpu_to_le32(mvmsta->mac_id_n_color), + }; + int ret; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_DISABLE_STA_TX)) + return; + + ret = iwl_mvm_send_cmd_pdu(mvm, ADD_STA, CMD_ASYNC, sizeof(cmd), &cmd); + if (ret) + IWL_ERR(mvm, "Failed to send ADD_STA command (%d)\n", ret); +} + +void iwl_mvm_sta_modify_disable_tx_ap(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + bool disable) +{ + struct iwl_mvm_sta *mvm_sta = iwl_mvm_sta_from_mac80211(sta); + + spin_lock_bh(&mvm_sta->lock); + + if (mvm_sta->disable_tx == disable) { + spin_unlock_bh(&mvm_sta->lock); + return; + } + + mvm_sta->disable_tx = disable; + + /* + * Tell mac80211 to start/stop queueing tx for this station, + * but don't stop queueing if there are still pending frames + * for this station. + */ + if (disable || !atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) + ieee80211_sta_block_awake(mvm->hw, sta, disable); + + iwl_mvm_sta_modify_disable_tx(mvm, mvm_sta, disable); + + spin_unlock_bh(&mvm_sta->lock); +} + +void iwl_mvm_modify_all_sta_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif, + bool disable) +{ + struct ieee80211_sta *sta; + struct iwl_mvm_sta *mvm_sta; + int i; + + lockdep_assert_held(&mvm->mutex); + + /* Block/unblock all the stations of the given mvmvif */ + for (i = 0; i < IWL_MVM_STATION_COUNT; i++) { + sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[i], + lockdep_is_held(&mvm->mutex)); + if (IS_ERR_OR_NULL(sta)) + continue; + + mvm_sta = iwl_mvm_sta_from_mac80211(sta); + if (mvm_sta->mac_id_n_color != + FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)) + continue; + + iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, disable); + } +} diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index d98e8a2142b8..3b1c8bd6cb54 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -73,6 +73,7 @@ #include "rs.h" struct iwl_mvm; +struct iwl_mvm_vif; /** * DOC: station table - introduction @@ -295,6 +296,7 @@ static inline u16 iwl_mvm_tid_queued(struct iwl_mvm_tid_data *tid_data) * @tid_data: per tid data. Look at %iwl_mvm_tid_data. * @tx_protection: reference counter for controlling the Tx protection. * @tt_tx_protection: is thermal throttling enable Tx protection? + * @disable_tx: is tx to this STA disabled? * * When mac80211 creates a station it reserves some space (hw->sta_data_size) * in the structure for use by driver. This structure is placed in that @@ -317,6 +319,8 @@ struct iwl_mvm_sta { /* Temporary, until the new TLC will control the Tx protection */ s8 tx_protection; bool tt_tx_protection; + + bool disable_tx; }; static inline struct iwl_mvm_sta * @@ -404,5 +408,13 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, bool agg); int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool drain); +void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_sta *mvmsta, bool disable); +void iwl_mvm_sta_modify_disable_tx_ap(struct iwl_mvm *mvm, + struct ieee80211_sta *sta, + bool disable); +void iwl_mvm_modify_all_sta_disable_tx(struct iwl_mvm *mvm, + struct iwl_mvm_vif *mvmvif, + bool disable); #endif /* __sta_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c index 80100f6cc12a..33e5041f1efc 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.c +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c @@ -72,9 +72,6 @@ #include "iwl-io.h" #include "iwl-prph.h" -/* A TimeUnit is 1024 microsecond */ -#define MSEC_TO_TU(_msec) (_msec*1000/1024) - /* * For the high priority TE use a time event type that has similar priority to * the FW's action scan priority. @@ -100,6 +97,21 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, void iwl_mvm_roc_done_wk(struct work_struct *wk) { struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, roc_done_wk); + u32 queues = 0; + + /* + * Clear the ROC_RUNNING /ROC_AUX_RUNNING status bit. + * This will cause the TX path to drop offchannel transmissions. + * That would also be done by mac80211, but it is racy, in particular + * in the case that the time event actually completed in the firmware + * (which is handled in iwl_mvm_te_handle_notif). + */ + if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) + queues |= BIT(IWL_MVM_OFFCHANNEL_QUEUE); + if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) + queues |= BIT(mvm->aux_queue); + + iwl_mvm_unref(mvm, IWL_MVM_REF_ROC); synchronize_net(); @@ -113,22 +125,12 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk) * issue as it will have to complete before the next command is * executed, and a new time event means a new command. */ - iwl_mvm_flush_tx_path(mvm, BIT(IWL_MVM_OFFCHANNEL_QUEUE), false); + iwl_mvm_flush_tx_path(mvm, queues, false); } static void iwl_mvm_roc_finished(struct iwl_mvm *mvm) { /* - * First, clear the ROC_RUNNING status bit. This will cause the TX - * path to drop offchannel transmissions. That would also be done - * by mac80211, but it is racy, in particular in the case that the - * time event actually completed in the firmware (which is handled - * in iwl_mvm_te_handle_notif). - */ - clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); - iwl_mvm_unref(mvm, IWL_MVM_REF_ROC); - - /* * Of course, our status bit is just as racy as mac80211, so in * addition, fire off the work struct which will drop all frames * from the hardware queues that made it through the race. First @@ -138,6 +140,41 @@ static void iwl_mvm_roc_finished(struct iwl_mvm *mvm) schedule_work(&mvm->roc_done_wk); } +static void iwl_mvm_csa_noa_start(struct iwl_mvm *mvm) +{ + struct ieee80211_vif *csa_vif; + + rcu_read_lock(); + + csa_vif = rcu_dereference(mvm->csa_vif); + if (!csa_vif || !csa_vif->csa_active) + goto out_unlock; + + IWL_DEBUG_TE(mvm, "CSA NOA started\n"); + + /* + * CSA NoA is started but we still have beacons to + * transmit on the current channel. + * So we just do nothing here and the switch + * will be performed on the last TBTT. + */ + if (!ieee80211_csa_is_complete(csa_vif)) { + IWL_WARN(mvm, "CSA NOA started too early\n"); + goto out_unlock; + } + + ieee80211_csa_finish(csa_vif); + + rcu_read_unlock(); + + RCU_INIT_POINTER(mvm->csa_vif, NULL); + + return; + +out_unlock: + rcu_read_unlock(); +} + static bool iwl_mvm_te_check_disconnect(struct iwl_mvm *mvm, struct ieee80211_vif *vif, const char *errmsg) @@ -213,6 +250,14 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); iwl_mvm_ref(mvm, IWL_MVM_REF_ROC); ieee80211_ready_on_channel(mvm->hw); + } else if (te_data->vif->type == NL80211_IFTYPE_AP) { + if (le32_to_cpu(notif->status)) + iwl_mvm_csa_noa_start(mvm); + else + IWL_DEBUG_TE(mvm, "CSA NOA failed to start\n"); + + /* we don't need it anymore */ + iwl_mvm_te_clear_data(mvm, te_data); } } else { IWL_WARN(mvm, "Got TE with unknown action\n"); @@ -220,6 +265,60 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm, } /* + * Handle A Aux ROC time event + */ +static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm, + struct iwl_time_event_notif *notif) +{ + struct iwl_mvm_time_event_data *te_data, *tmp; + bool aux_roc_te = false; + + list_for_each_entry_safe(te_data, tmp, &mvm->aux_roc_te_list, list) { + if (le32_to_cpu(notif->unique_id) == te_data->uid) { + aux_roc_te = true; + break; + } + } + if (!aux_roc_te) /* Not a Aux ROC time event */ + return -EINVAL; + + if (!le32_to_cpu(notif->status)) { + IWL_DEBUG_TE(mvm, + "ERROR: Aux ROC Time Event %s notification failure\n", + (le32_to_cpu(notif->action) & + TE_V2_NOTIF_HOST_EVENT_START) ? "start" : "end"); + return -EINVAL; + } + + IWL_DEBUG_TE(mvm, + "Aux ROC time event notification - UID = 0x%x action %d\n", + le32_to_cpu(notif->unique_id), + le32_to_cpu(notif->action)); + + if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_END) { + /* End TE, notify mac80211 */ + ieee80211_remain_on_channel_expired(mvm->hw); + iwl_mvm_roc_finished(mvm); /* flush aux queue */ + list_del(&te_data->list); /* remove from list */ + te_data->running = false; + te_data->vif = NULL; + te_data->uid = 0; + } else if (le32_to_cpu(notif->action) == TE_V2_NOTIF_HOST_EVENT_START) { + set_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status); + set_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status); + te_data->running = true; + ieee80211_ready_on_channel(mvm->hw); /* Start TE */ + } else { + IWL_DEBUG_TE(mvm, + "ERROR: Unknown Aux ROC Time Event (action = %d)\n", + le32_to_cpu(notif->action)); + return -EINVAL; + } + + return 0; +} + +/* * The Rx handler for time event notifications */ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, @@ -235,10 +334,15 @@ int iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm, le32_to_cpu(notif->action)); spin_lock_bh(&mvm->time_event_lock); + /* This time event is triggered for Aux ROC request */ + if (!iwl_mvm_aux_roc_te_handle_notif(mvm, notif)) + goto unlock; + list_for_each_entry_safe(te_data, tmp, &mvm->time_event_list, list) { if (le32_to_cpu(notif->unique_id) == te_data->uid) iwl_mvm_te_handle_notif(mvm, te_data, notif); } +unlock: spin_unlock_bh(&mvm->time_event_lock); return 0; @@ -538,3 +642,33 @@ void iwl_mvm_stop_p2p_roc(struct iwl_mvm *mvm) iwl_mvm_roc_finished(mvm); } + +int iwl_mvm_schedule_csa_noa(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 apply_time) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data; + struct iwl_time_event_cmd time_cmd = {}; + + lockdep_assert_held(&mvm->mutex); + + if (te_data->running) { + IWL_DEBUG_TE(mvm, "CS NOA is already scheduled\n"); + return -EBUSY; + } + + time_cmd.action = cpu_to_le32(FW_CTXT_ACTION_ADD); + time_cmd.id_and_color = + cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id, mvmvif->color)); + time_cmd.id = cpu_to_le32(TE_P2P_GO_CSA_NOA); + time_cmd.apply_time = cpu_to_le32(apply_time); + time_cmd.max_frags = TE_V2_FRAG_NONE; + time_cmd.duration = cpu_to_le32(duration); + time_cmd.repeat = 1; + time_cmd.interval = cpu_to_le32(1); + time_cmd.policy = cpu_to_le16(TE_V2_NOTIF_HOST_EVENT_START | + TE_V2_ABSENCE); + + return iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd); +} diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.h b/drivers/net/wireless/iwlwifi/mvm/time-event.h index 4a61c8c02372..2f48a90d4ad3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/time-event.h +++ b/drivers/net/wireless/iwlwifi/mvm/time-event.h @@ -214,4 +214,33 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm, void iwl_mvm_roc_done_wk(struct work_struct *wk); +/** + * iwl_mvm_schedule_csa_noa - request NoA for channel switch + * @mvm: the mvm component + * @vif: the virtual interface for which the channel switch is issued + * @duration: the duration of the NoA in TU. + * @apply_time: NoA start time in GP2. + * + * This function is used to schedule NoA time event and is used to perform + * the channel switch flow. + */ +int iwl_mvm_schedule_csa_noa(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + u32 duration, u32 apply_time); + +/** + * iwl_mvm_te_scheduled - check if the fw received the TE cmd + * @te_data: the time event data that corresponds to that time event + * + * This function returns true iff this TE is added to the fw. + */ +static inline bool +iwl_mvm_te_scheduled(struct iwl_mvm_time_event_data *te_data) +{ + if (!te_data) + return false; + + return !!te_data->uid; +} + #endif /* __time_event_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c index 868561512783..0464599c111e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/iwlwifi/mvm/tt.c @@ -140,9 +140,9 @@ static u16 iwl_mvm_dts_get_ptat_deviation_offset(struct iwl_mvm *mvm) /* TODO: move parsing to NVM code */ calib = mvm->nvm_sections[NVM_SECTION_TYPE_CALIBRATION].data; - ptat = calib[OTP_DTS_DIODE_DEVIATION]; - pa1 = calib[OTP_DTS_DIODE_DEVIATION + 1]; - pa2 = calib[OTP_DTS_DIODE_DEVIATION + 2]; + ptat = calib[OTP_DTS_DIODE_DEVIATION * 2]; + pa1 = calib[OTP_DTS_DIODE_DEVIATION * 2 + 1]; + pa2 = calib[OTP_DTS_DIODE_DEVIATION * 2 + 2]; /* get the median: */ if (ptat > pa1) { @@ -338,10 +338,16 @@ static void check_exit_ctkill(struct work_struct *work) duration = tt->params->ct_kill_duration; + /* make sure the device is available for direct read/writes */ + if (iwl_mvm_ref_sync(mvm, IWL_MVM_REF_CHECK_CTKILL)) + goto reschedule; + iwl_trans_start_hw(mvm->trans); temp = check_nic_temperature(mvm); iwl_trans_stop_device(mvm->trans); + iwl_mvm_unref(mvm, IWL_MVM_REF_CHECK_CTKILL); + if (temp < MIN_TEMPERATURE || temp > MAX_TEMPERATURE) { IWL_DEBUG_TEMP(mvm, "Failed to measure NIC temperature\n"); goto reschedule; diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 3846a6c41eb1..dbc870713882 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -131,7 +131,6 @@ static void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb, !is_multicast_ether_addr(ieee80211_get_DA(hdr))) tx_flags |= TX_CMD_FLG_PROT_REQUIRE; - tx_cmd->driver_txop = 0; tx_cmd->tx_flags = cpu_to_le32(tx_flags); /* Total # bytes to be transmitted */ tx_cmd->len = cpu_to_le16((u16)skb->len); @@ -205,7 +204,13 @@ static void iwl_mvm_set_tx_cmd_rate(struct iwl_mvm *mvm, mvm->mgmt_last_antenna_idx = iwl_mvm_next_antenna(mvm, mvm->fw->valid_tx_ant, mvm->mgmt_last_antenna_idx); - rate_flags = BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; + + if (info->band == IEEE80211_BAND_2GHZ && + !iwl_mvm_bt_coex_is_shared_ant_avail(mvm)) + rate_flags = BIT(ANT_A) << RATE_MCS_ANT_POS; + else + rate_flags = + BIT(mvm->mgmt_last_antenna_idx) << RATE_MCS_ANT_POS; /* Set CCK flag as needed */ if ((rate_idx >= IWL_FIRST_CCK_RATE) && (rate_idx <= IWL_LAST_CCK_RATE)) @@ -306,6 +311,16 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) return -1; /* + * IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used + * in 2 different types of vifs, P2P & STATION. P2P uses the offchannel + * queue. STATION (HS2.0) uses the auxiliary context of the FW, + * and hence needs to be sent on the aux queue + */ + if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && + info->control.vif->type == NL80211_IFTYPE_STATION) + IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue; + + /* * If the interface on which frame is sent is the P2P_DEVICE * or an AP/GO interface use the broadcast station associated * with it; otherwise use the AUX station. @@ -717,18 +732,26 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, /* We can't free more than one frame at once on a shared queue */ WARN_ON(skb_freed > 1); - /* If we have still frames from this STA nothing to do here */ + /* If we have still frames for this STA nothing to do here */ if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) goto out; if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) { + /* - * If there are no pending frames for this STA, notify - * mac80211 that this station can go to sleep in its + * If there are no pending frames for this STA and + * the tx to this station is not disabled, notify + * mac80211 that this station can now wake up in its * STA table. * If mvmsta is not NULL, sta is valid. */ - ieee80211_sta_block_awake(mvm->hw, sta, false); + + spin_lock_bh(&mvmsta->lock); + + if (!mvmsta->disable_tx) + ieee80211_sta_block_awake(mvm->hw, sta, false); + + spin_unlock_bh(&mvmsta->lock); } if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) { diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index aa9fc77e8413..ac249da8a22b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -519,71 +519,6 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) iwl_mvm_dump_umac_error_log(mvm); } -#ifdef CONFIG_IWLWIFI_DEBUGFS -void iwl_mvm_fw_error_sram_dump(struct iwl_mvm *mvm) -{ - const struct fw_img *img; - u32 ofs, sram_len; - void *sram; - - if (!mvm->ucode_loaded || mvm->fw_error_sram || mvm->fw_error_dump) - return; - - img = &mvm->fw->img[mvm->cur_ucode]; - ofs = img->sec[IWL_UCODE_SECTION_DATA].offset; - sram_len = img->sec[IWL_UCODE_SECTION_DATA].len; - - sram = kzalloc(sram_len, GFP_ATOMIC); - if (!sram) - return; - - iwl_trans_read_mem_bytes(mvm->trans, ofs, sram, sram_len); - mvm->fw_error_sram = sram; - mvm->fw_error_sram_len = sram_len; -} - -void iwl_mvm_fw_error_rxf_dump(struct iwl_mvm *mvm) -{ - int i, reg_val; - unsigned long flags; - - if (!mvm->ucode_loaded || mvm->fw_error_rxf || mvm->fw_error_dump) - return; - - /* reading buffer size */ - reg_val = iwl_trans_read_prph(mvm->trans, RXF_SIZE_ADDR); - mvm->fw_error_rxf_len = - (reg_val & RXF_SIZE_BYTE_CNT_MSK) >> RXF_SIZE_BYTE_CND_POS; - - /* the register holds the value divided by 128 */ - mvm->fw_error_rxf_len = mvm->fw_error_rxf_len << 7; - - if (!mvm->fw_error_rxf_len) - return; - - mvm->fw_error_rxf = kzalloc(mvm->fw_error_rxf_len, GFP_ATOMIC); - if (!mvm->fw_error_rxf) { - mvm->fw_error_rxf_len = 0; - return; - } - - if (!iwl_trans_grab_nic_access(mvm->trans, false, &flags)) { - kfree(mvm->fw_error_rxf); - mvm->fw_error_rxf = NULL; - mvm->fw_error_rxf_len = 0; - return; - } - - for (i = 0; i < (mvm->fw_error_rxf_len / sizeof(u32)); i++) { - iwl_trans_write_prph(mvm->trans, RXF_LD_FENCE_OFFSET_ADDR, - i * sizeof(u32)); - mvm->fw_error_rxf[i] = - iwl_trans_read_prph(mvm->trans, RXF_FIFO_RD_FENCE_ADDR); - } - iwl_trans_release_nic_access(mvm->trans, &flags); -} -#endif - /** * iwl_mvm_send_lq_cmd() - Send link quality command * @init: This command is sent as part of station initialization right |