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wifi: iwlwifi: mvm: exit EMLSR if both links are missing beacons

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If both links are missing 5 beacons, we need to exit EMLSR, if only one
link misses beacons, we need to wait until 11 beacons are missed.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240808232017.b7785943a4fe.I70a459c5e7db85f398d5795ba83bb15f65d6bf9d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2024-08-08 23:22:41 +03:00 committed by Johannes Berg
parent 313e32f60d
commit cdade20821
2 changed files with 23 additions and 5 deletions
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3
drivers/net/wireless/intel/iwlwifi/mvm/constants.h
View File

@ -16,6 +16,8 @@
#define IWL_MVM_BT_COEX_WIFI_LOSS_THRESH 0
#define IWL_MVM_TRIGGER_LINK_SEL_TIME_SEC 30
#define IWL_MVM_TPT_COUNT_WINDOW_SEC 5
#define IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH_2_LINKS 5
#define IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH 11
#define IWL_MVM_DEFAULT_PS_TX_DATA_TIMEOUT (100 * USEC_PER_MSEC)
#define IWL_MVM_DEFAULT_PS_RX_DATA_TIMEOUT (100 * USEC_PER_MSEC)
@ -125,7 +127,6 @@
#define IWL_MVM_6GHZ_PASSIVE_SCAN_ASSOC_TIMEOUT 60 /* in seconds */
#define IWL_MVM_MIN_BEACON_INTERVAL_TU 16
#define IWL_MVM_AUTO_EML_ENABLE true
#define IWL_MVM_MISSED_BEACONS_EXIT_ESR_THRESH 7
#define IWL_MVM_HIGH_RSSI_THRESH_20MHZ -67
#define IWL_MVM_LOW_RSSI_THRESH_20MHZ -71

25
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -1664,10 +1664,27 @@ iwl_mvm_handle_missed_beacons_notif(struct iwl_mvm *mvm,
"missed_beacons:%d, missed_beacons_since_rx:%d\n",
rx_missed_bcon, rx_missed_bcon_since_rx);
}
} else if (rx_missed_bcon >= IWL_MVM_MISSED_BEACONS_EXIT_ESR_THRESH &&
link_id >= 0 && hweight16(vif->active_links) > 1) {
iwl_mvm_exit_esr(mvm, vif, IWL_MVM_ESR_EXIT_MISSED_BEACON,
iwl_mvm_get_other_link(vif, link_id));
} else if (link_id >= 0 && hweight16(vif->active_links) > 1) {
u32 scnd_lnk_bcn_lost = 0;
if (notif_ver >= 5 &&
!IWL_FW_CHECK(mvm,
le32_to_cpu(mb->other_link_id) == IWL_MVM_FW_LINK_ID_INVALID,
"No data for other link id but we are in EMLSR active_links: 0x%x\n",
vif->active_links))
scnd_lnk_bcn_lost =
le32_to_cpu(mb->consec_missed_beacons_other_link);
/* Exit EMLSR if we lost more than
* IWL_MVM_MISSED_BEACONS_EXIT_ESR_THRESH beacons on boths links
* OR more than IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH on any link.
*/
if ((rx_missed_bcon >= IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH_2_LINKS &&
scnd_lnk_bcn_lost >= IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH_2_LINKS) ||
rx_missed_bcon >= IWL_MVM_BCN_LOSS_EXIT_ESR_THRESH)
iwl_mvm_exit_esr(mvm, vif,
IWL_MVM_ESR_EXIT_MISSED_BEACON,
iwl_mvm_get_primary_link(vif));
} else if (rx_missed_bcon_since_rx > IWL_MVM_MISSED_BEACONS_THRESHOLD) {
if (!iwl_mvm_has_new_tx_api(mvm))
ieee80211_beacon_loss(vif);