iwlwifi/mvm/link.c

91 int iwl_mvm_set_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
94 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
112 int iwl_mvm_add_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
115 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
126 	ret = iwl_mvm_set_link_mapping(mvm, vif, link_conf);
133 	if (iwl_mvm_sf_update(mvm, vif, false))
144 	if (vif->type == NL80211_IFTYPE_ADHOC && link_conf->bssid)
154 	struct ieee80211_vif *vif;
160 				     struct ieee80211_vif *vif)
163 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
166 	if (ieee80211_vif_type_p2p(vif) == NL80211_IFTYPE_STATION)
172 		if (vif == data->vif && link_id == data->link_id)
179 int iwl_mvm_esr_non_bss_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
182 	/* An active link of a non-station vif blocks EMLSR. Upon activation
183 	 * block EMLSR on the bss vif. Upon deactivation, check if this link
184 	 * was the last non-station link active, and if so unblock the bss vif
188 		.vif = vif,
212 int iwl_mvm_link_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
216 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
248 		if (!active && vif->type == NL80211_IFTYPE_STATION)
249 			iwl_mvm_stop_session_protection(mvm, vif);
268 	if (vif->type == NL80211_IFTYPE_ADHOC && link_conf->bssid)
271 	iwl_mvm_set_fw_basic_rates(mvm, vif, link_conf,
279 	iwl_mvm_set_fw_protection_flags(mvm, vif, link_conf,
283 	iwl_mvm_set_fw_qos_params(mvm, vif, link_conf, cmd.ac,
292 	    (vif->type == NL80211_IFTYPE_STATION && !vif->cfg.assoc)) {
368 int iwl_mvm_unset_link_mapping(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
371 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
387 int iwl_mvm_remove_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
390 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
396 	ret = iwl_mvm_unset_link_mapping(mvm, vif, link_conf);
408 		if (iwl_mvm_sf_update(mvm, vif, true))
417 int iwl_mvm_disable_link(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
422 	ret = iwl_mvm_link_changed(mvm, vif, link_conf,
427 	ret = iwl_mvm_remove_link(mvm, vif, link_conf);
508 		iwl_mvm_vif_from_mac80211(link_conf->vif)->link[link_conf->link_id];
623 u8 iwl_mvm_set_link_selection_data(struct ieee80211_vif *vif,
635 			link_conf_dereference_protected(vif, link_id);
696 				 struct ieee80211_vif *vif,
705 	conf = wiphy_dereference(wiphy, vif->link_conf[link->link_id]);
711 	    (!iwl_mvm_bt_coex_calculate_esr_mode(mvm, vif, link->signal,
734 bool iwl_mvm_mld_valid_link_pair(struct ieee80211_vif *vif,
738 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
743 	if (iwl_mvm_esr_disallowed_with_link(mvm, vif, a, true) ||
744 	    iwl_mvm_esr_disallowed_with_link(mvm, vif, b, false))
770 unsigned int iwl_mvm_get_esr_grade(struct ieee80211_vif *vif,
776 	struct wiphy *wiphy = ieee80211_vif_to_wdev(vif)->wiphy;
787 	if (!iwl_mvm_mld_valid_link_pair(vif, a, b))
790 	primary_conf = wiphy_dereference(wiphy, vif->link_conf[*primary_id]);
801 void iwl_mvm_select_links(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
805 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
806 	u32 max_active_links = iwl_mvm_max_active_links(mvm, vif);
807 	u16 usable_links = ieee80211_vif_usable_links(vif);
813 	if (!mvmvif->authorized || !ieee80211_vif_is_mld(vif))
824 	n_data = iwl_mvm_set_link_selection_data(vif, data, usable_links,
835 	if (max_active_links == 1 || !iwl_mvm_vif_has_esr_cap(mvm, vif) ||
841 			u16 esr_grade = iwl_mvm_get_esr_grade(vif, &data[a],
866 	ieee80211_set_active_links_async(vif, new_active_links);
871 u8 iwl_mvm_get_primary_link(struct ieee80211_vif *vif)
873 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
879 	if (!ieee80211_vif_is_mld(vif))
883 	if (vif->type == NL80211_IFTYPE_AP)
884 		return __ffs(vif->active_links);
887 	    !WARN_ON(!(BIT(mvmvif->primary_link) & vif->active_links)))
890 	return __ffs(vif->active_links);
897 u8 iwl_mvm_get_other_link(struct ieee80211_vif *vif, u8 link_id)
899 	switch (hweight16(vif->active_links)) {
906 		return __ffs(vif->active_links);
908 		return __ffs(vif->active_links & ~BIT(link_id));
971 void iwl_mvm_exit_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
975 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
985 	if (WARN_ON(!ieee80211_vif_is_mld(vif) || !mvmvif->authorized))
988 	if (WARN_ON(!(vif->active_links & BIT(link_to_keep))))
989 		link_to_keep = __ffs(vif->active_links);
995 		       vif->active_links, new_active_links);
997 	ieee80211_set_active_links_async(vif, new_active_links);
1020 void iwl_mvm_block_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1024 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1041 	iwl_mvm_exit_esr(mvm, vif, reason, link_to_keep);
1044 int iwl_mvm_block_esr_sync(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1047 	int primary_link = iwl_mvm_get_primary_link(vif);
1050 	if (!IWL_MVM_AUTO_EML_ENABLE || !ieee80211_vif_is_mld(vif))
1058 	ret = ieee80211_set_active_links(vif, BIT(primary_link));
1064 	iwl_mvm_block_esr(mvm, vif, reason, primary_link);
1071 				  struct ieee80211_vif *vif)
1073 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1079 	if (!ieee80211_vif_is_mld(vif) || !mvmvif->authorized ||
1102 		ieee80211_set_active_links_async(vif,
1107 void iwl_mvm_unblock_esr(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
1110 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
1130 		iwl_mvm_esr_unblocked(mvm, vif);