From 1a3e70391e55d12010073935e383629ab856528a Mon Sep 17 00:00:00 2001 From: Gregory Greenman Date: Tue, 28 Mar 2023 10:59:01 +0300 Subject: [PATCH] wifi: iwlwifi: mvm: adjust SMPS for MLO Configure SMPS per-link. Add link_id parameter to iwl_mvm_update_smps() and refactor iwl_mvm_intf_dual_chain_req() since it has to handle all active links. Signed-off-by: Gregory Greenman Link: https://lore.kernel.org/r/20230328104949.da6a19db562c.Ic88b02338c8973f2934439ac3ee77c7451bc0054@changeid Signed-off-by: Johannes Berg --- drivers/net/wireless/intel/iwlwifi/mvm/coex.c | 4 +-- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 19 ++++++++------ .../net/wireless/intel/iwlwifi/mvm/mld-mac80211.c | 4 +-- drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 19 ++++++++++---- drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 23 +++++++++++++---- drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 4 +-- drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 29 ++++++++++++++++++---- 7 files changed, 73 insertions(+), 29 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c index 21ba3c7..daaa173 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c @@ -291,7 +291,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, 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); + smps_mode, 0); iwl_mvm_bt_coex_reduced_txp(mvm, mvmvif->deflink.ap_sta_id, false); @@ -325,7 +325,7 @@ static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac, if (vif->type == NL80211_IFTYPE_STATION) iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_BT_COEX, - smps_mode); + smps_mode, 0); /* low latency is always primary */ if (iwl_mvm_vif_low_latency(mvmvif)) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 4dbc9a5..ef3eb57 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2481,17 +2481,19 @@ void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, mvmvif->bf_data.ave_beacon_signal = 0; iwl_mvm_bt_coex_vif_change(mvm); - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, - IEEE80211_SMPS_AUTOMATIC); + iwl_mvm_update_smps_on_active_links(mvm, vif, IWL_MVM_SMPS_REQ_TT, + IEEE80211_SMPS_AUTOMATIC); if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_UMAC_SCAN)) iwl_mvm_config_scan(mvm); } /* Execute the common part for MLD and non-MLD modes */ -void iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u64 changes) +void +iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf, + u64 changes) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); int ret; @@ -2529,7 +2531,7 @@ void iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, } if (changes & BSS_CHANGED_BANDWIDTH) - iwl_mvm_apply_fw_smps_request(vif); + iwl_mvm_update_link_smps(vif, link_conf); } static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, @@ -2641,7 +2643,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, if (vif->p2p) { iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_PROT, - IEEE80211_SMPS_DYNAMIC); + IEEE80211_SMPS_DYNAMIC, 0); } } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { iwl_mvm_mei_host_disassociated(mvm); @@ -2697,7 +2699,8 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); } - iwl_mvm_bss_info_changed_station_common(mvm, vif, changes); + iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, + changes); } bool iwl_mvm_start_ap_ibss_common(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c index 15beed4..80f1a1c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c @@ -516,7 +516,7 @@ iwl_mvm_mld_bss_info_changed_station(struct iwl_mvm *mvm, if (vif->p2p) { iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_PROT, - IEEE80211_SMPS_DYNAMIC); + IEEE80211_SMPS_DYNAMIC, 0); } } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) { iwl_mvm_mei_host_disassociated(mvm); @@ -557,7 +557,7 @@ iwl_mvm_mld_bss_info_changed_station(struct iwl_mvm *mvm, iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes); } - iwl_mvm_bss_info_changed_station_common(mvm, vif, changes); + iwl_mvm_bss_info_changed_station_common(mvm, vif, &vif->bss_conf, changes); } static void diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 9b04ae9..d623412 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1841,9 +1841,11 @@ iwl_mvm_bss_info_changed_common(struct ieee80211_hw *hw, struct ieee80211_bss_conf *bss_conf, struct iwl_mvm_bss_info_changed_ops *callbacks, u64 changes); -void iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, - struct ieee80211_vif *vif, - u64 changes); +void +iwl_mvm_bss_info_changed_station_common(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf, + u64 changes); void iwl_mvm_bss_info_changed_station_assoc(struct iwl_mvm *mvm, struct ieee80211_vif *vif, u64 changes); @@ -2057,10 +2059,17 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm, /* SMPS */ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum iwl_mvm_smps_type_request req_type, - enum ieee80211_smps_mode smps_request); + enum ieee80211_smps_mode smps_request, + unsigned int link_id); +void +iwl_mvm_update_smps_on_active_links(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + enum iwl_mvm_smps_type_request req_type, + enum ieee80211_smps_mode smps_request); bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm, struct iwl_mvm_phy_ctxt *ctxt); -void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif); +void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf); /* Low latency */ int iwl_mvm_update_low_latency(struct iwl_mvm *mvm, struct ieee80211_vif *vif, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index b355b9e..4a679ac 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -209,24 +209,37 @@ static void iwl_mvm_rx_monitor_notif(struct iwl_mvm *mvm, ieee80211_disconnect(vif, true); } -void iwl_mvm_apply_fw_smps_request(struct ieee80211_vif *vif) +void iwl_mvm_update_link_smps(struct ieee80211_vif *vif, + struct ieee80211_bss_conf *link_conf) { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct iwl_mvm *mvm = mvmvif->mvm; enum ieee80211_smps_mode mode = IEEE80211_SMPS_AUTOMATIC; + if (!link_conf) + return; + if (mvm->fw_static_smps_request && - vif->bss_conf.chandef.width == NL80211_CHAN_WIDTH_160 && - vif->bss_conf.he_support) + link_conf->chandef.width == NL80211_CHAN_WIDTH_160 && + link_conf->he_support) mode = IEEE80211_SMPS_STATIC; - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode); + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_FW, mode, + link_conf->link_id); } static void iwl_mvm_intf_dual_chain_req(void *data, u8 *mac, struct ieee80211_vif *vif) { - iwl_mvm_apply_fw_smps_request(vif); + struct ieee80211_bss_conf *link_conf; + unsigned int link_id; + + rcu_read_lock(); + + for_each_vif_active_link(vif, link_conf, link_id) + iwl_mvm_update_link_smps(vif, link_conf); + + rcu_read_unlock(); } static void iwl_mvm_rx_thermal_dual_chain_req(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index 232c200..4d0e161 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2019-2021 Intel Corporation + * Copyright (C) 2012-2014, 2019-2022 Intel Corporation * Copyright (C) 2013-2014 Intel Mobile Communications GmbH * Copyright (C) 2015-2016 Intel Deutschland GmbH */ @@ -334,7 +334,7 @@ static void iwl_mvm_tt_smps_iterator(void *_data, u8 *mac, if (vif->type != NL80211_IFTYPE_STATION) return; - iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode); + iwl_mvm_update_smps(mvm, vif, IWL_MVM_SMPS_REQ_TT, smps_mode, 0); } static void iwl_mvm_tt_tx_protection(struct iwl_mvm *mvm, bool enable) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 026856c..cf72b93 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -272,13 +272,15 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq) * @vif: Pointer to the ieee80211_vif structure * @req_type: The part of the driver who call for a change. * @smps_request: The request to change the SMPS mode. + * @link_id: for MLO link_id, otherwise 0 (deflink) * * Get a requst to change the SMPS mode, * and change it according to all other requests in the driver. */ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, enum iwl_mvm_smps_type_request req_type, - enum ieee80211_smps_mode smps_request) + enum ieee80211_smps_mode smps_request, + unsigned int link_id) { struct iwl_mvm_vif *mvmvif; enum ieee80211_smps_mode smps_mode = IEEE80211_SMPS_AUTOMATIC; @@ -294,17 +296,34 @@ void iwl_mvm_update_smps(struct iwl_mvm *mvm, struct ieee80211_vif *vif, return; mvmvif = iwl_mvm_vif_from_mac80211(vif); - mvmvif->deflink.smps_requests[req_type] = smps_request; + mvmvif->link[link_id]->smps_requests[req_type] = smps_request; for (i = 0; i < NUM_IWL_MVM_SMPS_REQ; i++) { - if (mvmvif->deflink.smps_requests[i] == IEEE80211_SMPS_STATIC) { + if (mvmvif->link[link_id]->smps_requests[i] == + IEEE80211_SMPS_STATIC) { smps_mode = IEEE80211_SMPS_STATIC; break; } - if (mvmvif->deflink.smps_requests[i] == IEEE80211_SMPS_DYNAMIC) + if (mvmvif->link[link_id]->smps_requests[i] == + IEEE80211_SMPS_DYNAMIC) smps_mode = IEEE80211_SMPS_DYNAMIC; } - ieee80211_request_smps(vif, 0, smps_mode); + ieee80211_request_smps(vif, link_id, smps_mode); +} + +void iwl_mvm_update_smps_on_active_links(struct iwl_mvm *mvm, + struct ieee80211_vif *vif, + enum iwl_mvm_smps_type_request req_type, + enum ieee80211_smps_mode smps_request) +{ + struct ieee80211_bss_conf *link_conf; + unsigned int link_id; + + rcu_read_lock(); + for_each_vif_active_link(vif, link_conf, link_id) + iwl_mvm_update_smps(mvm, vif, req_type, smps_request, + link_id); + rcu_read_unlock(); } static bool iwl_wait_stats_complete(struct iwl_notif_wait_data *notif_wait, -- 2.7.4