qcacmn: Handle BSS peer in STA mode

1. Set BSS peer for AP during peer-create and for STA in peer-map handler
2. Set Self peer in STA mode
3. Avoid tid cleanup in STA mode
4. Remove redundant selfmac checks in Rx
5. In MEC event handler add a check to ignore MEC events
    when STA is not connected.

Change-Id: I2a34b4742d9dedaa0709c1f4c87f3a06b794f36b

dp/wifi3.0/dp_main.c

@@ -4720,7 +4720,7 @@ static void dp_vdev_detach_wifi3(struct cdp_vdev *vdev_handle,
 		goto free_vdev;
 
 	if (wlan_op_mode_sta == vdev->opmode)
-		dp_peer_delete_wifi3(vdev->vap_bss_peer, 0);
+		dp_peer_delete_wifi3(vdev->vap_self_peer, 0);
 
 	/*
 	 * If Target is hung, flush all peers before detaching vdev
@@ -5023,11 +5023,20 @@ static void *dp_peer_create_wifi3(struct cdp_vdev *vdev_handle,
 	/*
 	 * For every peer MAp message search and set if bss_peer
 	 */
-	if (memcmp(peer->mac_addr.raw, vdev->mac_addr.raw, 6) == 0) {
+	if (qdf_mem_cmp(peer->mac_addr.raw, vdev->mac_addr.raw,
+			QDF_MAC_ADDR_SIZE) == 0 &&
+			(wlan_op_mode_sta != vdev->opmode)) {
 		dp_info("vdev bss_peer!!");
 		peer->bss_peer = 1;
 		vdev->vap_bss_peer = peer;
 	}
+
+	if (wlan_op_mode_sta == vdev->opmode &&
+	    qdf_mem_cmp(peer->mac_addr.raw, vdev->mac_addr.raw,
+			QDF_MAC_ADDR_SIZE) == 0) {
+		vdev->vap_self_peer = peer;
+	}
+
 	for (i = 0; i < DP_MAX_TIDS; i++)
 		qdf_spinlock_create(&peer->rx_tid[i].tid_lock);
 

dp/wifi3.0/dp_peer.c

@@ -1446,13 +1446,11 @@ dp_rx_peer_map_handler(void *soc_handle, uint16_t peer_id,
 					   hw_peer_id, vdev_id);
 
 		if (peer) {
-			/*
-			 * For every peer Map message search and set if bss_peer
-			 */
-			if (!(qdf_mem_cmp(peer->mac_addr.raw,
-					  peer->vdev->mac_addr.raw,
-					  QDF_MAC_ADDR_SIZE))) {
-				dp_info("vdev bss_peer!!!!");
+			if (wlan_op_mode_sta == peer->vdev->opmode &&
+			    qdf_mem_cmp(peer->mac_addr.raw,
+					peer->vdev->mac_addr.raw,
+					QDF_MAC_ADDR_SIZE) != 0) {
+				dp_info("STA vdev bss_peer!!!!");
 				peer->bss_peer = 1;
 				peer->vdev->vap_bss_peer = peer;
 			}
@@ -2186,7 +2184,7 @@ void dp_peer_rx_cleanup(struct dp_vdev *vdev, struct dp_peer *peer)
 		struct dp_rx_tid *rx_tid = &peer->rx_tid[tid];
 
 		qdf_spin_lock_bh(&rx_tid->tid_lock);
-		if (!peer->bss_peer) {
+		if (!peer->bss_peer && peer->vdev->opmode != wlan_op_mode_sta) {
 			/* Cleanup defrag related resource */
 			dp_rx_defrag_waitlist_remove(peer, tid);
 			dp_rx_reorder_flush_frag(peer, tid);

dp/wifi3.0/dp_rx.c

@@ -2088,21 +2088,6 @@ done:
 			continue;
 		}
 
-		if (qdf_unlikely(peer && peer->bss_peer)) {
-			QDF_TRACE(QDF_MODULE_ID_DP,
-				QDF_TRACE_LEVEL_ERROR,
-				FL("received pkt with same src MAC"));
-			tid_stats->fail_cnt[MEC_DROP]++;
-			DP_STATS_INC_PKT(peer, rx.mec_drop, 1, msdu_len);
-
-			/* Drop & free packet */
-			qdf_nbuf_free(nbuf);
-			/* Statistics */
-			nbuf = next;
-			dp_peer_unref_del_find_by_id(peer);
-			continue;
-		}
-
 		if (qdf_unlikely(peer && (peer->nawds_enabled) &&
 				 (qdf_nbuf_is_da_mcbc(nbuf)) &&
 				 (hal_rx_get_mpdu_mac_ad4_valid(rx_tlv_hdr) ==

dp/wifi3.0/dp_rx_err.c

@@ -805,13 +805,6 @@ dp_rx_null_q_desc_handle(struct dp_soc *soc, qdf_nbuf_t nbuf,
 		qdf_nbuf_set_next(nbuf, NULL);
 		dp_rx_deliver_raw(vdev, nbuf, peer);
 	} else {
-		if (qdf_unlikely(peer->bss_peer)) {
-			dp_info_rl("received pkt with same src MAC");
-			DP_STATS_INC_PKT(peer, rx.mec_drop, 1,
-					 qdf_nbuf_len(nbuf));
-			goto drop_nbuf;
-		}
-
 		if (vdev->osif_rx) {
 			qdf_nbuf_set_next(nbuf, NULL);
 			DP_STATS_INC_PKT(peer, rx.to_stack, 1,

dp/wifi3.0/dp_tx.c

@@ -2641,9 +2641,7 @@ void dp_tx_mec_handler(struct dp_vdev *vdev, uint8_t *status)
 		return;
 
 	soc = vdev->pdev->soc;
-	qdf_spin_lock_bh(&soc->peer_ref_mutex);
-	peer = TAILQ_FIRST(&vdev->peer_list);
-	qdf_spin_unlock_bh(&soc->peer_ref_mutex);
+	peer = vdev->vap_bss_peer;
 
 	if (!peer) {
 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,

dp/wifi3.0/dp_types.h

@@ -1768,6 +1768,8 @@ struct dp_vdev {
 
 	/* TIDmap priority */
 	uint8_t tidmap_prty;
+	/* Self Peer in STA mode */
+	struct dp_peer *vap_self_peer;
 };