qcacld-3.0: Handle T2LM mapping validation for standby link

Currently, if AP is sending T2LM action frame with standby
link mapping then STA host is rejecting the T2LM mapping and
sending status as WLAN_T2LM_RESP_TYPE_DENIED_TID_TO_LINK_MAPPING
to AP.

Fix is, STA handles T2Lm mapping if AP sends on standby link.

Change-Id: I8492fbaff7bffb32afa142bb11767e6202137cf5
CRs-Fixed: 3589843

components/umac/mlme/mlo_mgr/src/wlan_t2lm_api.c

@@ -45,6 +45,31 @@ const char *t2lm_get_event_str(enum wlan_t2lm_evt event)
 	}
 }
 
+static
+uint16_t t2lm_get_connected_link_id(struct wlan_objmgr_vdev *vdev)
+{
+	uint16_t ieee_link_mask = 0;
+	uint8_t i, link_id;
+	struct mlo_link_info *link_info = NULL;
+
+	if (!vdev->mlo_dev_ctx) {
+		t2lm_err("MLO dev context failed");
+		return false;
+	}
+
+	link_info = &vdev->mlo_dev_ctx->link_ctx->links_info[0];
+
+	for (i = 0; i < WLAN_MAX_ML_BSS_LINKS; i++) {
+		link_id = link_info[i].link_id;
+		if (link_id == WLAN_INVALID_LINK_ID)
+			continue;
+
+		ieee_link_mask |= BIT(link_id);
+	}
+
+	return ieee_link_mask;
+}
+
 static
 bool t2lm_is_valid_t2lm_link_map(struct wlan_objmgr_vdev *vdev,
 				 struct wlan_t2lm_onging_negotiation_info *t2lm,
@@ -55,31 +80,8 @@ bool t2lm_is_valid_t2lm_link_map(struct wlan_objmgr_vdev *vdev,
 	uint16_t ieee_link_mask = 0;
 	uint16_t provisioned_links = 0;
 	bool is_valid_link_mask = false;
-	struct wlan_objmgr_vdev *ml_vdev = NULL;
-	struct wlan_objmgr_vdev *ml_vdev_list[WLAN_UMAC_MLO_MAX_VDEVS] = {NULL};
-	uint16_t ml_vdev_cnt = 0;
-
-	/* Get the valid hw_link_id map from ML vdev list */
-	mlo_get_ml_vdev_list(vdev, &ml_vdev_cnt, ml_vdev_list);
-	if (!ml_vdev_cnt) {
-		t2lm_err("Number of VDEVs under MLD is reported as 0");
-		return false;
-	}
 
-	for (i = 0; i < ml_vdev_cnt; i++) {
-		ml_vdev = ml_vdev_list[i];
-		if (!ml_vdev || !wlan_cm_is_vdev_connected(ml_vdev)) {
-			t2lm_err("ML vdev is null");
-			continue;
-		}
-
-		ieee_link_mask |= BIT(wlan_vdev_get_link_id(ml_vdev));
-	}
-
-	if (ml_vdev_cnt) {
-		for (i = 0; i < ml_vdev_cnt; i++)
-			mlo_release_vdev_ref(ml_vdev_list[i]);
-	}
+	ieee_link_mask = t2lm_get_connected_link_id(vdev);
 
 	/* Check if the configured hw_link_id map is valid */
 	for (dir = 0; dir < WLAN_T2LM_MAX_DIRECTION; dir++) {