qcacmn: Add support for tx monitor HE MU and minor fixes

Add support for,
	a) HE MU radiotap information
	b) Multi sta BA frame generation and
minor fix,
	a) handling timestamp NULL,
	b) update NSS and other field in radiotap

Change-Id: I7a8b95328779f967b9e63ff8048242412ab472b0
CRs-Fixed: 3270361

dp/wifi3.0/monitor/2.0/dp_tx_mon_2.0.c

@@ -517,9 +517,11 @@ struct dp_tx_ppdu_info *dp_tx_mon_get_ppdu_info(struct dp_pdev *pdev,
 
 	/* assign tx_ppdu_info to monitor pdev for reference */
 	if (type == TX_PROT_PPDU_INFO) {
+		qdf_mem_zero(&tx_mon_be->prot_status_info, sizeof(struct hal_tx_status_info));
 		tx_mon_be->tx_prot_ppdu_info = tx_ppdu_info;
 		TXMON_PPDU_HAL(tx_ppdu_info, is_data) = 0;
 	} else {
+		qdf_mem_zero(&tx_mon_be->data_status_info, sizeof(struct hal_tx_status_info));
 		tx_mon_be->tx_data_ppdu_info = tx_ppdu_info;
 		TXMON_PPDU_HAL(tx_ppdu_info, is_data) = 1;
 	}
@@ -951,6 +953,10 @@ dp_populate_tsft_from_phy_timestamp(struct dp_pdev *pdev,
 		tx_mon_be->last_ppdu_timestamp = ppdu_timestamp;
 	}
 
+	if (!TXMON_PPDU_COM(ppdu_info, tsft) &&
+	    !TXMON_PPDU_COM(ppdu_info, ppdu_timestamp))
+		return QDF_STATUS_E_EMPTY;
+
 	return QDF_STATUS_SUCCESS;
 }
 
@@ -965,11 +971,6 @@ static void
 dp_tx_mon_update_radiotap(struct dp_pdev *pdev,
 			  struct dp_tx_ppdu_info *ppdu_info)
 {
-	struct dp_mon_pdev *mon_pdev = pdev->monitor_pdev;
-	struct dp_mon_pdev_be *mon_pdev_be =
-			dp_get_be_mon_pdev_from_dp_mon_pdev(mon_pdev);
-	struct dp_pdev_tx_monitor_be *tx_mon_be =
-			&mon_pdev_be->tx_monitor_be;
 	uint32_t usr_idx = 0;
 	uint32_t num_users = 0;
 
@@ -984,11 +985,8 @@ dp_tx_mon_update_radiotap(struct dp_pdev *pdev,
 				pdev->operating_channel.freq;
 
 	if (QDF_STATUS_SUCCESS !=
-	    dp_populate_tsft_from_phy_timestamp(pdev, ppdu_info)) {
-		/* free the ppdu_info */
-		dp_tx_mon_free_ppdu_info(ppdu_info, tx_mon_be);
+	    dp_populate_tsft_from_phy_timestamp(pdev, ppdu_info))
 		return;
-	}
 
 	for (usr_idx = 0; usr_idx < num_users; usr_idx++) {
 		qdf_nbuf_queue_t *mpdu_q = NULL;

dp/wifi3.0/monitor/2.0/dp_tx_mon_status_2.0.c

@@ -335,7 +335,11 @@ dp_tx_mon_generate_cts2self_frm(struct dp_pdev *pdev,
 		return;
 
 	tx_mon_be = &mon_pdev_be->tx_monitor_be;
-	tx_status_info = &tx_mon_be->prot_status_info;
+
+	if (window_flag == INITIATOR_WINDOW)
+		tx_status_info = &tx_mon_be->prot_status_info;
+	else
+		tx_status_info = &tx_mon_be->data_status_info;
 
 	/*
 	 * for radiotap we allocate new skb,
@@ -723,6 +727,7 @@ dp_tx_mon_generate_mu_block_ack_frm(struct dp_pdev *pdev,
 	struct hal_tx_status_info *tx_status_info;
 	struct ieee80211_ctlframe_addr2 *wh_addr2 = NULL;
 	qdf_nbuf_t mpdu_nbuf = NULL;
+	uint16_t ba_control = 0;
 	uint8_t *frm = NULL;
 	uint32_t ba_sz = 0;
 	uint8_t num_users = TXMON_PPDU_HAL(tx_ppdu_info, num_users);
@@ -775,18 +780,30 @@ dp_tx_mon_generate_mu_block_ack_frm(struct dp_pdev *pdev,
 
 	*(u_int16_t *)(&wh_addr2->i_aidordur) = qdf_cpu_to_le16(0x0000);
 
-	qdf_mem_copy(wh_addr2->i_addr2,
-		     TXMON_STATUS_INFO(tx_status_info, addr2),
-		     QDF_MAC_ADDR_SIZE);
-	qdf_mem_copy(wh_addr2->i_addr1,
-		     TXMON_STATUS_INFO(tx_status_info, addr1),
-		     QDF_MAC_ADDR_SIZE);
+	if (window_flag == RESPONSE_WINDOW) {
+		qdf_mem_copy(wh_addr2->i_addr2,
+			     TXMON_STATUS_INFO(tx_status_info, addr2),
+			     QDF_MAC_ADDR_SIZE);
+		if (num_users > 1)
+			qdf_mem_set(wh_addr2->i_addr1, QDF_MAC_ADDR_SIZE, 0xFF);
+		else
+			qdf_mem_copy(wh_addr2->i_addr1,
+				     TXMON_STATUS_INFO(tx_status_info, addr1),
+				     QDF_MAC_ADDR_SIZE);
+	} else {
+		qdf_mem_copy(wh_addr2->i_addr2,
+			     TXMON_STATUS_INFO(tx_status_info, addr1),
+			     QDF_MAC_ADDR_SIZE);
+		qdf_mem_copy(wh_addr2->i_addr1,
+			     TXMON_STATUS_INFO(tx_status_info, addr2),
+			     QDF_MAC_ADDR_SIZE);
+	}
 
 	frm = (uint8_t *)&wh_addr2[1];
 
 	/* BA control */
-	*((uint16_t *)frm) = qdf_cpu_to_le16(TXMON_PPDU_USR(tx_ppdu_info,
-							    0, ba_control));
+	ba_control = 0x0016;
+	*((uint16_t *)frm) = qdf_cpu_to_le16(ba_control);
 	frm += 2;
 
 	for (i = 0; i < num_users; i++) {
@@ -796,8 +813,8 @@ dp_tx_mon_generate_mu_block_ack_frm(struct dp_pdev *pdev,
 					(TXMON_PPDU_USR(tx_ppdu_info, i,
 							aid) & 0x7FF));
 		frm += 2;
-		*((uint16_t *)frm) = TXMON_PPDU_USR(tx_ppdu_info,
-						    i, start_seq) & 0xFFF;
+		*((uint16_t *)frm) = qdf_cpu_to_le16(
+				TXMON_PPDU_USR(tx_ppdu_info, i, start_seq));
 		frm += 2;
 		qdf_mem_copy(frm,
 			     TXMON_PPDU_USR(tx_ppdu_info, i, ba_bitmap),
@@ -813,6 +830,8 @@ dp_tx_mon_generate_mu_block_ack_frm(struct dp_pdev *pdev,
 	/* always enqueue to first active user */
 	dp_tx_mon_enqueue_mpdu_nbuf(pdev, tx_ppdu_info, 0, mpdu_nbuf);
 	TXMON_PPDU_HAL(tx_ppdu_info, is_used) = 1;
+	/* HE MU fields not required for Multi Sta Block ack frame */
+	TXMON_PPDU_COM(tx_ppdu_info, he_mu_flags) = 0;
 }
 
 /**
@@ -936,7 +955,7 @@ dp_tx_mon_generate_block_ack_frm(struct dp_pdev *pdev,
 	frm += 2;
 	*((uint16_t *)frm) = qdf_cpu_to_le16(TXMON_PPDU_USR(tx_ppdu_info,
 							    user_id,
-							    start_seq) & 0xFFF);
+							    start_seq));
 	frm += 2;
 	qdf_mem_copy(frm,
 		     TXMON_PPDU_USR(tx_ppdu_info, user_id, ba_bitmap),
@@ -1164,6 +1183,8 @@ dp_tx_mon_generated_response_frm(struct dp_pdev *pdev,
 	}
 	case TXMON_GEN_RESP_SELFGEN_MBA:
 	{
+		dp_tx_mon_generate_mu_block_ack_frm(pdev, tx_ppdu_info,
+						    RESPONSE_WINDOW);
 		break;
 	}
 	case TXMON_GEN_RESP_SELFGEN_CBF:
@@ -1262,9 +1283,6 @@ dp_tx_mon_update_ppdu_info_status(struct dp_pdev *pdev,
 	}
 	case HAL_MON_RX_FRAME_BITMAP_ACK:
 	{
-		/* this comes for each user */
-		dp_tx_mon_generate_ack_frm(pdev, tx_data_ppdu_info,
-					   INITIATOR_WINDOW);
 		break;
 	}
 	case HAL_MON_RX_FRAME_BITMAP_BLOCK_ACK_256: