diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/coex.c | 33 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/link.c | 71 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 25 |
4 files changed, 98 insertions, 55 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c index 54f086d9457f..c7987676335a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c @@ -253,28 +253,6 @@ static void iwl_mvm_bt_coex_tcm_based_ci(struct iwl_mvm *mvm, swap(data->primary, data->secondary); } -static void iwl_mvm_bt_coex_enable_esr(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, bool enable) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - - lockdep_assert_held(&mvm->mutex); - - if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) - return; - - /* Done already */ - if ((mvmvif->esr_disable_reason & IWL_MVM_ESR_DISABLE_COEX) == !enable) - return; - - if (enable) - mvmvif->esr_disable_reason &= ~IWL_MVM_ESR_DISABLE_COEX; - else - mvmvif->esr_disable_reason |= IWL_MVM_ESR_DISABLE_COEX; - - iwl_mvm_recalc_esr(mvm, vif); -} - /* * This function receives the LB link id and checks if eSR should be * enabled or disabled (due to BT coex) @@ -320,7 +298,7 @@ iwl_mvm_bt_coex_calculate_esr_mode(struct iwl_mvm *mvm, if (!link_rssi) wifi_loss_rate = mvm->last_bt_notif.wifi_loss_mid_high_rssi; - else if (!(mvmvif->esr_disable_reason & IWL_MVM_ESR_DISABLE_COEX)) + else if (!(mvmvif->esr_disable_reason & IWL_MVM_ESR_BLOCKED_COEX)) /* RSSI needs to get really low to disable eSR... */ wifi_loss_rate = link_rssi <= -IWL_MVM_BT_COEX_DISABLE_ESR_THRESH ? @@ -348,7 +326,12 @@ void iwl_mvm_bt_coex_update_link_esr(struct iwl_mvm *mvm, enable = iwl_mvm_bt_coex_calculate_esr_mode(mvm, vif, link_id); - iwl_mvm_bt_coex_enable_esr(mvm, vif, enable); + if (enable) + iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_COEX); + else + /* In case we decided to exit eSR - stay with the primary */ + iwl_mvm_block_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_COEX, + iwl_mvm_get_primary_link(vif)); } static void iwl_mvm_bt_notif_per_link(struct iwl_mvm *mvm, @@ -534,7 +517,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, /* When BT is off this will be 0 */ if (data->notif->wifi_loss_low_rssi == BT_OFF) - iwl_mvm_bt_coex_enable_esr(mvm, vif, true); + iwl_mvm_unblock_esr(mvm, vif, IWL_MVM_ESR_BLOCKED_COEX); for (link_id = 0; link_id < IEEE80211_MLD_MAX_NUM_LINKS; link_id++) iwl_mvm_bt_notif_per_link(mvm, vif, data, link_id); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/link.c b/drivers/net/wireless/intel/iwlwifi/mvm/link.c index 710c8802a3c6..8a4b1b89791c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/link.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/link.c @@ -560,7 +560,7 @@ bool iwl_mvm_mld_valid_link_pair(struct ieee80211_vif *vif, /* BT Coex effects eSR mode only if one of the link is on LB */ if (a->band == NL80211_BAND_2GHZ || b->band == NL80211_BAND_2GHZ) - return !(mvmvif->esr_disable_reason & IWL_MVM_ESR_DISABLE_COEX); + return !(mvmvif->esr_disable_reason & IWL_MVM_ESR_BLOCKED_COEX); return true; } @@ -691,3 +691,72 @@ u8 iwl_mvm_get_primary_link(struct ieee80211_vif *vif) return __ffs(vif->active_links); } + +/* API to exit eSR mode */ +void iwl_mvm_exit_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason, + u8 link_to_keep) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + u16 new_active_links; + + lockdep_assert_held(&mvm->mutex); + + /* Nothing to do */ + if (!mvmvif->esr_active) + return; + + if (WARN_ON(!ieee80211_vif_is_mld(vif) || !mvmvif->authorized)) + return; + + if (WARN_ON(!(vif->active_links & BIT(link_to_keep)))) + link_to_keep = __ffs(vif->active_links); + + new_active_links = BIT(link_to_keep); + IWL_DEBUG_INFO(mvm, + "Exiting EMLSR. Reason = 0x%x. Current active links=0x%x, new active links = 0x%x\n", + reason, vif->active_links, new_active_links); + + ieee80211_set_active_links_async(vif, new_active_links); +} + +#define IWL_MVM_BLOCK_ESR_REASONS IWL_MVM_ESR_BLOCKED_COEX + +void iwl_mvm_block_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason, + u8 link_to_keep) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + lockdep_assert_held(&mvm->mutex); + + /* This should be called only with disable reasons */ + if (WARN_ON(!(reason & IWL_MVM_BLOCK_ESR_REASONS))) + return; + + if (!(mvmvif->esr_disable_reason & reason)) + IWL_DEBUG_INFO(mvm, "Blocking EMSLR mode. reason = 0x%x\n", + reason); + + mvmvif->esr_disable_reason |= reason; + + iwl_mvm_exit_esr(mvm, vif, reason, link_to_keep); +} + +void iwl_mvm_unblock_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason) +{ + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + + lockdep_assert_held(&mvm->mutex); + + /* This should be called only with disable reasons */ + if (WARN_ON(!(reason & IWL_MVM_BLOCK_ESR_REASONS))) + return; + + if (mvmvif->esr_disable_reason & reason) + IWL_DEBUG_INFO(mvm, "Unblocking EMSLR mode. reason = 0x%x\n", + reason); + + mvmvif->esr_disable_reason &= ~reason; +} diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 105ac43e4cd7..2a7d7d4e0649 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -1151,28 +1151,6 @@ iwl_mvm_mld_change_sta_links(struct ieee80211_hw *hw, return ret; } -void iwl_mvm_recalc_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif) -{ - struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); - bool enable = !mvmvif->esr_disable_reason; - u16 new_active_links; - - /* Nothing to do */ - if (mvmvif->esr_active == enable) - return; - - /* The next link selection will enter eSR if possible */ - if (enable) - return; - - /* - * Find the primary link, as we want to switch to it and drop the - * secondary one. - */ - new_active_links = BIT(iwl_mvm_get_primary_link(vif)); - ieee80211_set_active_links_async(vif, new_active_links); -} - bool iwl_mvm_esr_allowed_on_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif) { @@ -1194,7 +1172,7 @@ bool iwl_mvm_esr_allowed_on_vif(struct iwl_mvm *mvm, !(ext_capa->eml_capabilities & IEEE80211_EML_CAP_EMLSR_SUPP)) return false; - return !(mvmvif->esr_disable_reason & ~IWL_MVM_ESR_DISABLE_COEX); + return !(mvmvif->esr_disable_reason & ~IWL_MVM_ESR_BLOCKED_COEX); } /* diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 4755747822b6..3b726c8b9261 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -346,11 +346,17 @@ struct iwl_mvm_vif_link_info { }; /** - * enum iwl_mvm_esr_disable_reason - reasons for which we can't enable EMLSR - * @IWL_MVM_ESR_DISABLE_COEX: COEX is preventing the enablement of EMLSR + * enum iwl_mvm_esr_state - defines reasons for which the EMLSR is exited or + * blocked. + * The low 16 bits are used for blocking reasons, and the 16 higher bits + * are used for exit reasons. + * For the blocking reasons - use iwl_mvm_(un)block_esr(), and for the exit + * reasons - use iwl_mvm_exit_esr(). + * + * @IWL_MVM_ESR_BLOCKED_COEX: COEX is preventing the enablement of EMLSR */ -enum iwl_mvm_esr_disable_reason { - IWL_MVM_ESR_DISABLE_COEX = BIT(0), +enum iwl_mvm_esr_state { + IWL_MVM_ESR_BLOCKED_COEX = 0x1, }; /** @@ -386,7 +392,7 @@ enum iwl_mvm_esr_disable_reason { * @deflink: default link data for use in non-MLO * @link: link data for each link in MLO * @esr_active: indicates eSR mode is active - * @esr_disable_reason: a bitmap of enum iwl_mvm_esr_disable_reason + * @esr_disable_reason: a bitmap of &enum iwl_mvm_esr_state * @pm_enabled: indicates powersave is enabled * @link_selection_res: bitmap of active links as it was decided in the last * link selection. Valid only for a MLO vif after assoc. 0 if there wasn't @@ -2836,8 +2842,15 @@ int iwl_mvm_roc_add_cmd(struct iwl_mvm *mvm, int duration, u32 activity); /* EMLSR */ -void iwl_mvm_recalc_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif); bool iwl_mvm_esr_allowed_on_vif(struct iwl_mvm *mvm, struct ieee80211_vif *vif); +void iwl_mvm_block_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason, + u8 link_to_keep); +void iwl_mvm_unblock_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason); +void iwl_mvm_exit_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif, + enum iwl_mvm_esr_state reason, + u8 link_to_keep); #endif /* __IWL_MVM_H__ */ |