qcacmn: Use cpu index for tx. ring id

The list of SW descriptors that we create from the HW descriptors 
in DP Tx completion path is corrupted in intra-bss path. This is causing a
crash when corrupted descriptor is accessed.
The cause of corruption seems to be due to incorrect rings being accessed. 
Use cpu index to fetch tx. ring IDs.

Change-Id: I5342b7c4e24df983900fde79f36df8395bf628cb
CRs-Fixed: 3223420

dp/wifi3.0/dp_rx.c

@@ -866,7 +866,6 @@ bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc, struct dp_txrx_peer *ta_peer,
 {
 	uint16_t len;
 	qdf_nbuf_t nbuf_copy;
-	uint8_t ring_id = QDF_NBUF_CB_RX_CTX_ID(nbuf);
 
 	if (dp_rx_intrabss_eapol_drop_check(soc, ta_peer, rx_tlv_hdr,
 					    nbuf))
@@ -890,7 +889,7 @@ bool dp_rx_intrabss_mcbc_fwd(struct dp_soc *soc, struct dp_txrx_peer *ta_peer,
 	qdf_mem_set(nbuf_copy->cb, 0x0, sizeof(nbuf_copy->cb));
 	dp_classify_critical_pkts(soc, ta_peer->vdev, nbuf_copy);
 
-	dp_rx_nbuf_queue_mapping_set(nbuf_copy, ring_id);
+	dp_rx_nbuf_queue_mapping_set(nbuf_copy, qdf_get_cpu());
 	if (soc->arch_ops.dp_rx_intrabss_handle_nawds(soc, ta_peer, nbuf_copy,
 						      tid_stats))
 		return false;
@@ -927,7 +926,6 @@ bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc, struct dp_txrx_peer *ta_peer,
 			      struct cdp_tid_rx_stats *tid_stats)
 {
 	uint16_t len;
-	uint8_t ring_id = QDF_NBUF_CB_RX_CTX_ID(nbuf);
 
 	len = QDF_NBUF_CB_RX_PKT_LEN(nbuf);
 
@@ -956,7 +954,7 @@ bool dp_rx_intrabss_ucast_fwd(struct dp_soc *soc, struct dp_txrx_peer *ta_peer,
 	qdf_mem_set(nbuf->cb, 0x0, sizeof(nbuf->cb));
 	dp_classify_critical_pkts(soc, ta_peer->vdev, nbuf);
 
-	dp_rx_nbuf_queue_mapping_set(nbuf, ring_id);
+	dp_rx_nbuf_queue_mapping_set(nbuf, qdf_get_cpu());
 	if (!dp_tx_send((struct cdp_soc_t *)soc,
 			tx_vdev_id, nbuf)) {
 		DP_PEER_PER_PKT_STATS_INC_PKT(ta_peer, rx.intra_bss.pkts, 1,