diff options
| author | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2024-04-16 13:54:11 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-04-19 10:16:34 +0200 |
| commit | 30ce039094b5e5842f78ec8525235cd74b9848a7 (patch) | |
| tree | 453f683fd2f10235a3ba1ac5e3cf23ba82b4610a /drivers/net/wireless/intel/iwlwifi/mvm/rx.c | |
| parent | 54fa45dd2c47d04ab36d644ea1c4cee14c06abb2 (diff) | |
wifi: iwlwifi: mvm: Don't allow EMLSR when the RSSI is low
If the RSSI of a link is low enough, don't use it for EMLSR.
If EMLSR is already active and the RSSI of one of the links gets low,
exit EMLSR by deactivating that link.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240416134215.73263c000263.Ieb2b18855a2719b5e18ad2fa8a3e855ca4e23938@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index 4f578f3e7e74..68ec6b8203df 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -556,8 +556,8 @@ struct iwl_mvm_stat_data_all_macs { struct iwl_stats_ntfy_per_mac *per_mac; }; -static void iwl_mvm_update_vif_sig(struct ieee80211_vif *vif, int sig, - struct iwl_mvm_vif_link_info *link_info) +static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig, + struct iwl_mvm_vif_link_info *link_info) { struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(vif)->mvm; struct ieee80211_bss_conf *bss_conf = @@ -566,6 +566,7 @@ static void iwl_mvm_update_vif_sig(struct ieee80211_vif *vif, int sig, int thold = bss_conf->cqm_rssi_thold; int hyst = bss_conf->cqm_rssi_hyst; int last_event; + s8 exit_esr_thresh; if (sig == 0) { IWL_DEBUG_RX(mvm, "RSSI is 0 - skip signal based decision\n"); @@ -621,6 +622,20 @@ static void iwl_mvm_update_vif_sig(struct ieee80211_vif *vif, int sig, sig, GFP_KERNEL); } + + /* ESR recalculation */ + if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) + return; + + exit_esr_thresh = + iwl_mvm_get_esr_rssi_thresh(mvm, + &bss_conf->chanreq.oper, + true); + + if (sig < exit_esr_thresh) + iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_LOW_RSSI, + iwl_mvm_get_other_link(vif, + bss_conf->link_id)); } static void iwl_mvm_stat_iterator(void *_data, u8 *mac, @@ -655,7 +670,7 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac, mvmvif->deflink.beacon_stats.num_beacons; /* This is used in pre-MLO API so use deflink */ - iwl_mvm_update_vif_sig(vif, sig, &mvmvif->deflink); + iwl_mvm_update_link_sig(vif, sig, &mvmvif->deflink); } static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac, @@ -690,7 +705,7 @@ static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac, sig = -le32_to_cpu(mac_stats->beacon_filter_average_energy); /* This is used in pre-MLO API so use deflink */ - iwl_mvm_update_vif_sig(vif, sig, &mvmvif->deflink); + iwl_mvm_update_link_sig(vif, sig, &mvmvif->deflink); } static inline void @@ -906,7 +921,7 @@ iwl_mvm_stat_iterator_all_links(struct iwl_mvm *mvm, mvmvif->link[link_id]->beacon_stats.num_beacons; sig = -le32_to_cpu(link_stats->beacon_filter_average_energy); - iwl_mvm_update_vif_sig(bss_conf->vif, sig, link_info); + iwl_mvm_update_link_sig(bss_conf->vif, sig, link_info); if (WARN_ONCE(mvmvif->id >= MAC_INDEX_AUX, "invalid mvmvif id: %d", mvmvif->id)) |