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path: root/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c227
1 files changed, 227 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
index 36c87d755d5c..9d97098ab57c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-mac80211.c
@@ -369,12 +369,239 @@ static int iwl_mvm_mld_mac_sta_state(struct ieee80211_hw *hw,
&callbacks);
}
+static void
+iwl_mvm_mld_bss_info_changed_station(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u64 changes)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ int ret;
+ u32 link_changes = 0;
+ bool has_he = vif->bss_conf.he_support &&
+ !iwlwifi_mod_params.disable_11ax;
+ bool has_eht = vif->bss_conf.eht_support &&
+ !iwlwifi_mod_params.disable_11be;
+
+ if (changes & BSS_CHANGED_ASSOC && vif->cfg.assoc &&
+ (has_he || has_eht)) {
+ IWL_DEBUG_MAC80211(mvm, "Associated in HE mode\n");
+ link_changes |= LINK_CONTEXT_MODIFY_HE_PARAMS;
+ }
+
+ /* Update MU EDCA params */
+ if (changes & BSS_CHANGED_QOS && vif->cfg.assoc &&
+ (has_he || has_eht))
+ link_changes |= LINK_CONTEXT_MODIFY_QOS_PARAMS;
+
+ /* Update EHT Puncturing info */
+ if (changes & BSS_CHANGED_EHT_PUNCTURING && vif->cfg.assoc && has_eht)
+ link_changes |= LINK_CONTEXT_MODIFY_EHT_PARAMS;
+
+ if (link_changes) {
+ ret = iwl_mvm_link_changed(mvm, vif, link_changes, true);
+ if (ret)
+ IWL_ERR(mvm, "failed to update link\n");
+ }
+
+ ret = iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false);
+ if (ret)
+ IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
+
+ memcpy(mvmvif->deflink.bssid, bss_conf->bssid, ETH_ALEN);
+ mvmvif->associated = vif->cfg.assoc;
+
+ if (changes & BSS_CHANGED_ASSOC) {
+ if (vif->cfg.assoc) {
+ /* clear statistics to get clean beacon counter */
+ iwl_mvm_request_statistics(mvm, true);
+ memset(&mvmvif->deflink.beacon_stats, 0,
+ sizeof(mvmvif->deflink.beacon_stats));
+
+ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
+ &mvm->status) &&
+ !vif->bss_conf.dtim_period) {
+ /* If we're not restarting and still haven't
+ * heard a beacon (dtim period unknown) then
+ * make sure we still have enough minimum time
+ * remaining in the time event, since the auth
+ * might actually have taken quite a while
+ * (especially for SAE) and so the remaining
+ * time could be small without us having heard
+ * a beacon yet.
+ */
+ iwl_mvm_protect_assoc(mvm, vif, 0);
+ }
+
+ iwl_mvm_sf_update(mvm, vif, false);
+ iwl_mvm_power_vif_assoc(mvm, vif);
+ if (vif->p2p) {
+ iwl_mvm_update_smps(mvm, vif,
+ IWL_MVM_SMPS_REQ_PROT,
+ IEEE80211_SMPS_DYNAMIC);
+ }
+ } else if (mvmvif->deflink.ap_sta_id != IWL_MVM_INVALID_STA) {
+ iwl_mvm_mei_host_disassociated(mvm);
+ /* If update fails - SF might be running in associated
+ * mode while disassociated - which is forbidden.
+ */
+ ret = iwl_mvm_sf_update(mvm, vif, false);
+ WARN_ONCE(ret &&
+ !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
+ &mvm->status),
+ "Failed to update SF upon disassociation\n");
+
+ /* If we get an assert during the connection (after the
+ * station has been added, but before the vif is set
+ * to associated), mac80211 will re-add the station and
+ * then configure the vif. Since the vif is not
+ * associated, we would remove the station here and
+ * this would fail the recovery.
+ */
+ if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART,
+ &mvm->status)) {
+ /* first remove remaining keys */
+ iwl_mvm_sec_key_remove_ap(mvm, vif);
+
+ /* Remove AP station now that
+ * the MAC is unassoc
+ */
+ ret = iwl_mvm_mld_rm_sta_id(mvm, vif,
+ mvmvif->deflink.ap_sta_id);
+ if (ret)
+ IWL_ERR(mvm,
+ "failed to remove AP station\n");
+
+ mvmvif->deflink.ap_sta_id = IWL_MVM_INVALID_STA;
+ }
+ }
+
+ iwl_mvm_bss_info_changed_station_assoc(mvm, vif, changes);
+ }
+
+ iwl_mvm_bss_info_changed_station_common(mvm, vif, changes);
+}
+
+static void
+iwl_mvm_mld_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u64 changes)
+{
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ u32 link_changes = LINK_CONTEXT_MODIFY_PROTECT_FLAGS |
+ LINK_CONTEXT_MODIFY_QOS_PARAMS;
+
+ /* Changes will be applied when the AP/IBSS is started */
+ if (!mvmvif->ap_ibss_active)
+ return;
+
+ if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
+ BSS_CHANGED_BANDWIDTH | BSS_CHANGED_QOS) &&
+ iwl_mvm_link_changed(mvm, vif, link_changes, true))
+ IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
+
+ /* Need to send a new beacon template to the FW */
+ if (changes & BSS_CHANGED_BEACON &&
+ iwl_mvm_mac_ctxt_beacon_changed(mvm, vif))
+ IWL_WARN(mvm, "Failed updating beacon data\n");
+
+ if (changes & BSS_CHANGED_FTM_RESPONDER) {
+ int ret = iwl_mvm_ftm_start_responder(mvm, vif);
+
+ if (ret)
+ IWL_WARN(mvm, "Failed to enable FTM responder (%d)\n",
+ ret);
+ }
+}
+
+static void iwl_mvm_mld_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u64 changes)
+{
+ struct iwl_mvm_bss_info_changed_ops callbacks = {
+ .bss_info_changed_sta = iwl_mvm_mld_bss_info_changed_station,
+ .bss_info_changed_ap_ibss =
+ iwl_mvm_mld_bss_info_changed_ap_ibss,
+ };
+
+ iwl_mvm_bss_info_changed_common(hw, vif, bss_conf, &callbacks,
+ changes);
+}
+
+static int
+iwl_mvm_mld_switch_vif_chanctx(struct ieee80211_hw *hw,
+ struct ieee80211_vif_chanctx_switch *vifs,
+ int n_vifs,
+ enum ieee80211_chanctx_switch_mode mode)
+{
+ struct iwl_mvm_switch_vif_chanctx_ops ops = {
+ .__assign_vif_chanctx = __iwl_mvm_mld_assign_vif_chanctx,
+ .__unassign_vif_chanctx = __iwl_mvm_mld_unassign_vif_chanctx,
+ };
+
+ return iwl_mvm_switch_vif_chanctx_common(hw, vifs, n_vifs, mode, &ops);
+}
+
+static void iwl_mvm_mld_config_iface_filter(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ unsigned int filter_flags,
+ unsigned int changed_flags)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ /* We support only filter for probe requests */
+ if (!(changed_flags & FIF_PROBE_REQ))
+ return;
+
+ /* Supported only for p2p client interfaces */
+ if (vif->type != NL80211_IFTYPE_STATION || !vif->cfg.assoc ||
+ !vif->p2p)
+ return;
+
+ mutex_lock(&mvm->mutex);
+ iwl_mvm_mld_mac_ctxt_changed(mvm, vif, false);
+ mutex_unlock(&mvm->mutex);
+}
+
+static int
+iwl_mvm_mld_mac_conf_tx(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ unsigned int link_id, u16 ac,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ mvmvif->deflink.queue_params[ac] = *params;
+
+ /* No need to update right away, we'll get BSS_CHANGED_QOS
+ * The exception is P2P_DEVICE interface which needs immediate update.
+ */
+ if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
+ int ret;
+
+ mutex_lock(&mvm->mutex);
+ ret = iwl_mvm_link_changed(mvm, vif,
+ LINK_CONTEXT_MODIFY_QOS_PARAMS,
+ true);
+ mutex_unlock(&mvm->mutex);
+ return ret;
+ }
+ return 0;
+}
+
const struct ieee80211_ops iwl_mvm_mld_hw_ops = {
.add_interface = iwl_mvm_mld_mac_add_interface,
.remove_interface = iwl_mvm_mld_mac_remove_interface,
+ .config_iface_filter = iwl_mvm_mld_config_iface_filter,
.assign_vif_chanctx = iwl_mvm_mld_assign_vif_chanctx,
.unassign_vif_chanctx = iwl_mvm_mld_unassign_vif_chanctx,
+ .switch_vif_chanctx = iwl_mvm_mld_switch_vif_chanctx,
.join_ibss = iwl_mvm_mld_start_ap_ibss,
.leave_ibss = iwl_mvm_mld_stop_ap_ibss,
.sta_state = iwl_mvm_mld_mac_sta_state,
+ .conf_tx = iwl_mvm_mld_mac_conf_tx,
+ .bss_info_changed = iwl_mvm_mld_bss_info_changed,
};