diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2024-10-28 12:54:50 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-11-07 14:42:29 +0100 |
| commit | dc40fde44607881482ed916b1a51545d6e841f32 (patch) | |
| tree | fc13565daf2f52bf2ceb5aa562c0d61c8123c718 /drivers/net/wireless | |
| parent | wifi: iwlwifi: mvm: support new versions of the wowlan APIs (diff) | |
| download | linux-dc40fde44607881482ed916b1a51545d6e841f32.tar.xz linux-dc40fde44607881482ed916b1a51545d6e841f32.zip | |
wifi: iwlwifi: mvm: MLO scan upon channel condition degradation
This will allow to prevent disconnections.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241028135215.6402718fbc94.Ia6ce651cc7c96f7aaeee449737dd28ed291788a6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/constants.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rx.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 3 |
4 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h index 795a166ed63a..776600ddaea6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h @@ -19,6 +19,7 @@ #define IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH_2_LINKS 5 #define IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH 15 #define IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH_BSS_PARAM_CHANGED 11 +#define IWL_MVM_LOW_RSSI_MLO_SCAN_THRESH -72 #define IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT (100 * USEC_PER_MSEC) #define IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT (100 * USEC_PER_MSEC) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index c8bc26380b4a..2a13d70da46c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1691,6 +1691,9 @@ iwl_mvm_handle_missed_beacons_notif(struct iwl_mvm *mvm, ieee80211_beacon_loss(vif); else ieee80211_cqm_beacon_loss_notify(vif, GFP_ATOMIC); + + /* try to switch links, no-op if we don't have MLO */ + iwl_mvm_int_mlo_scan(mvm, vif); } iwl_dbg_tlv_time_point(&mvm->fwrt, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c index 1a0b5f8d4339..9e72db9bab40 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c @@ -560,7 +560,8 @@ static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig, struct iwl_mvm_vif_link_info *link_info, struct ieee80211_bss_conf *bss_conf) { - struct iwl_mvm *mvm = iwl_mvm_vif_from_mac80211(vif)->mvm; + struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); + struct iwl_mvm *mvm = mvmvif->mvm; int thold = bss_conf->cqm_rssi_thold; int hyst = bss_conf->cqm_rssi_hyst; int last_event; @@ -625,6 +626,13 @@ static void iwl_mvm_update_link_sig(struct ieee80211_vif *vif, int sig, if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) return; + /* We're not in EMLSR and our signal is bad, try to switch link maybe */ + if (sig < IWL_MVM_LOW_RSSI_MLO_SCAN_THRESH && !mvmvif->esr_active) { + iwl_mvm_int_mlo_scan(mvm, vif); + return; + } + + /* We are in EMLSR, check if we need to exit */ exit_esr_thresh = iwl_mvm_get_esr_rssi_thresh(mvm, &bss_conf->chanreq.oper, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index 3ce9150213a7..6fb241d0c5f5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -3597,7 +3597,8 @@ static int iwl_mvm_int_mlo_scan_start(struct iwl_mvm *mvm, IWL_DEBUG_SCAN(mvm, "Starting Internal MLO scan: n_channels=%zu\n", n_channels); - if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif)) + if (!vif->cfg.assoc || !ieee80211_vif_is_mld(vif) || + hweight16(vif->valid_links) == 1) return -EINVAL; size = struct_size(req, channels, n_channels); |