diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/coex.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/coex.c | 685 |
1 files changed, 685 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c new file mode 100644 index 000000000..ee3c8a786 --- /dev/null +++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c @@ -0,0 +1,685 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2013-2014, 2018-2020, 2022 Intel Corporation + * Copyright (C) 2013-2015 Intel Mobile Communications GmbH + */ +#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" + +/* 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(0xFE00000000ULL), + cpu_to_le64(0x0ULL), + cpu_to_le64(0x0ULL) + }, +}; + +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; + u32 primary_ch_phy_id, secondary_ch_phy_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->bss_conf.chanctx_conf); + + if (!chanctx_conf || + chanctx_conf->def.chan->band != NL80211_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); + 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 (primary_ch_phy_id == phy_ctx_id) + ret = le32_to_cpu(mvm->last_bt_notif.primary_ch_lut); + 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 */ + + rcu_read_unlock(); + + return ret; +} + +int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm) +{ + struct iwl_bt_coex_cmd bt_cmd = {}; + u32 mode; + + 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_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.mode = cpu_to_le32(BT_COEX_NW); + + if (IWL_MVM_BT_COEX_SYNC2SCO) + bt_cmd.enabled_modules |= + cpu_to_le32(BT_COEX_SYNC2SCO_ENABLED); + + if (iwl_mvm_is_mplut_supported(mvm)) + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_MPLUT_ENABLED); + + bt_cmd.enabled_modules |= cpu_to_le32(BT_COEX_HIGH_BAND_RET); + +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)); + + return iwl_mvm_send_cmd_pdu(mvm, BT_CONFIG, 0, sizeof(bt_cmd), &bt_cmd); +} + +static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id, + bool enable) +{ + struct iwl_bt_coex_reduced_txp_update_cmd cmd = {}; + struct iwl_mvm_sta *mvmsta; + u32 value; + + 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; + + value = mvmsta->sta_id; + + if (enable) + 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; + + return iwl_mvm_send_cmd_pdu(mvm, BT_COEX_UPDATE_REDUCED_TXP, + CMD_ASYNC, sizeof(cmd), &cmd); +} + +struct iwl_bt_iterator_data { + struct iwl_bt_coex_profile_notif *notif; + struct iwl_mvm *mvm; + struct ieee80211_chanctx_conf *primary; + struct ieee80211_chanctx_conf *secondary; + bool primary_ll; + u8 primary_load; + u8 secondary_load; +}; + +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; +} + +#define MVM_COEX_TCM_PERIOD (HZ * 10) + +static void iwl_mvm_bt_coex_tcm_based_ci(struct iwl_mvm *mvm, + struct iwl_bt_iterator_data *data) +{ + unsigned long now = jiffies; + + if (!time_after(now, mvm->bt_coex_last_tcm_ts + MVM_COEX_TCM_PERIOD)) + return; + + mvm->bt_coex_last_tcm_ts = now; + + /* We assume here that we don't have more than 2 vifs on 2.4GHz */ + + /* if the primary is low latency, it will stay primary */ + if (data->primary_ll) + return; + + if (data->primary_load >= data->secondary_load) + return; + + swap(data->primary, data->secondary); +} + +/* 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; + /* default smps_mode is AUTOMATIC - only used for client modes */ + enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC; + u32 bt_activity_grading, min_ag_for_static_smps; + int ave_rssi; + + lockdep_assert_held(&mvm->mutex); + + switch (vif->type) { + case NL80211_IFTYPE_STATION: + break; + case NL80211_IFTYPE_AP: + if (!mvmvif->ap_ibss_active) + return; + break; + default: + return; + } + + chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); + + /* If channel context is invalid or not on 2.4GHz .. */ + if ((!chanctx_conf || + chanctx_conf->def.chan->band != NL80211_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; + } + + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2)) + min_ag_for_static_smps = BT_VERY_HIGH_TRAFFIC; + else + min_ag_for_static_smps = BT_HIGH_TRAFFIC; + + bt_activity_grading = le32_to_cpu(data->notif->bt_activity_grading); + if (bt_activity_grading >= min_ag_for_static_smps) + smps_mode = IEEE80211_SMPS_STATIC; + else if (bt_activity_grading >= BT_LOW_TRAFFIC) + smps_mode = IEEE80211_SMPS_DYNAMIC; + + /* relax SMPS constraints for next association */ + if (!vif->cfg.assoc) + smps_mode = IEEE80211_SMPS_AUTOMATIC; + + if (mvmvif->phy_ctxt && + (mvm->last_bt_notif.rrc_status & BIT(mvmvif->phy_ctxt->id))) + smps_mode = IEEE80211_SMPS_AUTOMATIC; + + IWL_DEBUG_COEX(data->mvm, + "mac %d: bt_activity_grading %d smps_req %d\n", + mvmvif->id, 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; + } + + if (data->primary == chanctx_conf) + data->primary_load = mvm->tcm.result.load[mvmvif->id]; + else if (data->secondary == chanctx_conf) + data->secondary_load = mvm->tcm.result.load[mvmvif->id]; + 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; + + if (data->primary == chanctx_conf) + data->primary_load = mvm->tcm.result.load[mvmvif->id]; + else if (data->secondary == chanctx_conf) + data->secondary_load = mvm->tcm.result.load[mvmvif->id]; + /* + * don't reduce the Tx power if one of these is true: + * we are in LOOSE + * single share antenna product + * BT is inactive + * we are not associated + */ + if (iwl_get_coex_type(mvm, vif) == BT_COEX_LOOSE_LUT || + mvm->cfg->bt_shared_single_ant || !vif->cfg.assoc || + 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; + } + + /* 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, + }; + 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, + iwl_mvm_bt_notif_iterator, &data); + + iwl_mvm_bt_coex_tcm_based_ci(mvm, &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; + } else { + 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 = + cpu_to_le32(*((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; + } else { + 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 = + cpu_to_le32(*((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, 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, &cmd, sizeof(cmd)); + } +} + +void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data; + + IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n"); + 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)); + + /* remember this notification for future use: rssi fluctuations */ + memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif)); + + iwl_mvm_bt_coex_notif_handle(mvm); +} + +void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum ieee80211_rssi_event_data rssi_event) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + 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_INVALID_STA) + return; + + /* No BT - reports should be disabled */ + 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, + 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"); +} + +#define LINK_QUAL_AGG_TIME_LIMIT_DEF (4000) +#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT (1200) + +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->last_bt_notif.ttc_status & BIT(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 || 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(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->last_bt_notif.ttc_status & BIT(phy_ctxt->id)) + return true; + + if (le32_to_cpu(mvm->last_bt_notif.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_ant_avail(struct iwl_mvm *mvm, u8 ant) +{ + /* there is no other antenna, shared antenna is always available */ + if (mvm->cfg->bt_shared_single_ant) + return true; + + if (ant & mvm->cfg->non_shared_ant) + return true; + + return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < + BT_HIGH_TRAFFIC; +} + +bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm) +{ + /* there is no other antenna, shared antenna is always available */ + if (mvm->cfg->bt_shared_single_ant) + return true; + + return le32_to_cpu(mvm->last_bt_notif.bt_activity_grading) < BT_HIGH_TRAFFIC; +} + +bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm, + enum nl80211_band band) +{ + u32 bt_activity = le32_to_cpu(mvm->last_bt_notif.bt_activity_grading); + + if (band != NL80211_BAND_2GHZ) + return false; + + return bt_activity >= BT_LOW_TRAFFIC; +} + +u8 iwl_mvm_bt_coex_get_single_ant_msk(struct iwl_mvm *mvm, u8 enabled_ants) +{ + if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_COEX_SCHEMA_2) && + (mvm->cfg->non_shared_ant & enabled_ants)) + return mvm->cfg->non_shared_ant; + + return first_antenna(enabled_ants); +} + +u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *info, u8 ac) +{ + __le16 fc = hdr->frame_control; + bool mplut_enabled = iwl_mvm_is_mplut_supported(mvm); + + if (info->band != NL80211_BAND_2GHZ) + return 0; + + if (unlikely(mvm->bt_tx_prio)) + return mvm->bt_tx_prio - 1; + + if (likely(ieee80211_is_data(fc))) { + if (likely(ieee80211_is_data_qos(fc))) { + switch (ac) { + case IEEE80211_AC_BE: + return mplut_enabled ? 1 : 0; + case IEEE80211_AC_VI: + return mplut_enabled ? 2 : 3; + case IEEE80211_AC_VO: + return 3; + default: + return 0; + } + } else if (is_multicast_ether_addr(hdr->addr1)) { + return 3; + } else + return 0; + } else if (ieee80211_is_mgmt(fc)) { + return ieee80211_is_disassoc(fc) ? 0 : 3; + } else if (ieee80211_is_ctl(fc)) { + /* ignore cfend and cfendack frames as we never send those */ + return 3; + } + + return 0; +} + +void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) +{ + iwl_mvm_bt_coex_notif_handle(mvm); +} |