qcacld-3.0: Add cdp api for dp tx desc availability

Add cdp api to check if tx desc pool available descriptor
threshold has reached.

Change-Id: I12cc38b56a68ca7ee8f4560677fcdabccb38928b
CRs-Fixed: 2369244

components/ipa/core/src/wlan_ipa_core.c

@@ -710,13 +710,12 @@ static enum wlan_ipa_forward_type wlan_ipa_intrabss_forward(
 {
 	int ret = WLAN_IPA_FORWARD_PKT_NONE;
 	void *soc = cds_get_context(QDF_MODULE_ID_SOC);
-	struct ol_txrx_pdev_t *pdev = cds_get_context(QDF_MODULE_ID_TXRX);
+	void *pdev = cds_get_context(QDF_MODULE_ID_TXRX);
 
 	if ((desc & FW_RX_DESC_FORWARD_M)) {
-		if (!ol_txrx_fwd_desc_thresh_check(
-			(struct ol_txrx_vdev_t *)cdp_get_vdev_from_vdev_id(soc,
-						(struct cdp_pdev *)pdev,
-						iface_ctx->session_id))) {
+		void *vdev = cdp_get_vdev_from_vdev_id(soc, pdev,
+						       iface_ctx->session_id);
+		if (cdp_tx_desc_thresh_reached(soc, vdev)) {
 			/* Drop the packet*/
 			ipa_ctx->stats.num_tx_fwd_err++;
 			dev_kfree_skb_any(skb);

core/dp/txrx/ol_rx_fwd.c

@@ -190,7 +190,8 @@ ol_rx_fwd_check(struct ol_txrx_vdev_t *vdev,
 						 QDF_NBUF_TX_EXT_TID_INVALID);
 			}
 
-			if (!ol_txrx_fwd_desc_thresh_check(vdev)) {
+			if (!ol_txrx_fwd_desc_thresh_check(
+						(struct cdp_vdev *)vdev)) {
 				/* Drop the packet*/
 				htt_rx_msdu_desc_free(pdev->htt_pdev, msdu);
 				TXRX_STATS_MSDU_LIST_INCR(

core/dp/txrx/ol_txrx.c

@@ -5556,6 +5556,7 @@ static struct cdp_flowctl_ops ol_ops_flowctl = {
 	.register_pause_cb = ol_txrx_register_pause_cb,
 	.set_desc_global_pool_size = ol_tx_set_desc_global_pool_size,
 	.dump_flow_pool_info = ol_tx_dump_flow_pool_info,
+	.tx_desc_thresh_reached = ol_txrx_fwd_desc_thresh_check,
 #endif /* QCA_LL_TX_FLOW_CONTROL_V2 */
 };
 

core/dp/txrx/ol_txrx.h

@@ -314,7 +314,7 @@ QDF_STATUS ol_txrx_register_pause_cb(struct cdp_soc_t *soc,
  * Return: true ; forward the packet, i.e., below threshold
  *         false; not enough descriptors, drop the packet
  */
-bool ol_txrx_fwd_desc_thresh_check(struct ol_txrx_vdev_t *vdev);
+bool ol_txrx_fwd_desc_thresh_check(struct cdp_vdev *vdev);
 #else
 /**
  * ol_tx_get_total_free_desc() - get total free descriptors
@@ -329,7 +329,7 @@ uint32_t ol_tx_get_total_free_desc(struct ol_txrx_pdev_t *pdev)
 }
 
 static inline
-bool ol_txrx_fwd_desc_thresh_check(struct ol_txrx_vdev_t *vdev)
+bool ol_txrx_fwd_desc_thresh_check(struct cdp_vdev *vdev)
 {
 	return true;
 }

core/dp/txrx/ol_txrx_flow_control.c

@@ -83,16 +83,16 @@ ol_tx_deregister_global_mgmt_pool(struct ol_txrx_pdev_t *pdev)
 }
 #endif
 
-bool
-ol_txrx_fwd_desc_thresh_check(struct ol_txrx_vdev_t *vdev)
+bool ol_txrx_fwd_desc_thresh_check(struct cdp_vdev *vdev)
 {
+	struct ol_txrx_vdev_t *txrx_vdev = (struct ol_txrx_vdev_t *)vdev;
 	struct ol_tx_flow_pool_t *pool;
 	bool enough_desc_flag;
 
-	if (!vdev)
+	if (!txrx_vdev)
 		return false;
 
-	pool = vdev->pool;
+	pool = txrx_vdev->pool;
 
 	if (!pool)
 		return false;