qcacld-3.0: Change tx retries unit from msdu to mpdu

Customer reported their HLOS LTE-WLAN transition algo sometimes go wrong
for wrong low layer stats, Txretry delta is bigger than Txtotal delta.
Txretry unit is msdu while Txtotal unit is mpdu.

Add vdev/peer stats for mpdu number of successfully transmitted after
more than one retransmission attempt, to align mpdu tx_packets, tx_failed.

CRs-Fixed: 3102117
Change-Id: Id4b9d8fd81af4bf0c141dad481bfd2b3f6c1db2a

core/cds/inc/cds_api.h

@@ -85,11 +85,14 @@ enum cds_driver_state {
  * struce cds_vdev_dp_stats - vdev stats populated from DP
  * @tx_retries: packet number of successfully transmitted after more
  *              than one retransmission attempt
+ * @tx_retries_mpdu: mpdu number of successfully transmitted after more
+ *              than one retransmission attempt
  * @tx_mpdu_success_with_retries: Number of MPDU transmission retries done
  *				  in case of successful transmission.
  */
 struct cds_vdev_dp_stats {
 	uint32_t tx_retries;
+	uint32_t tx_retries_mpdu;
 	uint32_t tx_mpdu_success_with_retries;
 };
 

core/cds/src/cds_api.c

@@ -2869,6 +2869,7 @@ cds_dp_get_vdev_stats(uint8_t vdev_id, struct cds_vdev_dp_stats *stats)
 
 	if (cds_get_cdp_vdev_stats(vdev_id, vdev_stats)) {
 		stats->tx_retries = vdev_stats->tx.retries;
+		stats->tx_retries_mpdu = vdev_stats->tx.retries_mpdu;
 		stats->tx_mpdu_success_with_retries =
 			vdev_stats->tx.mpdu_success_with_retries;
 		ret = true;

core/hdd/src/wlan_hdd_stats.c

@@ -4269,7 +4269,7 @@ static void wlan_hdd_fill_summary_stats(tCsrSummaryStatsInfo *stats,
 	if (cds_dp_get_vdev_stats(vdev_id, &dp_stats)) {
 		orig_cnt = info->tx_retries;
 		orig_fail_cnt = info->tx_failed;
-		info->tx_retries = dp_stats.tx_retries;
+		info->tx_retries = dp_stats.tx_retries_mpdu;
 		info->tx_failed += dp_stats.tx_mpdu_success_with_retries;
 		hdd_debug("vdev %d tx retries adjust from %d to %d",
 			  vdev_id, orig_cnt, info->tx_retries);