qcacld-3.0: increase htt_htc_misc_pkt_list_trim trim level

2048 packets could be pending in the ce and the tx_queue
depth could be pending in the htc queue.

Change-Id: I2eedd9dd7300058a4b3024dd97c826c08f8c44bd
CRs-Fixed: 2019589

core/dp/htt/htt.c

@@ -149,6 +149,9 @@ htt_htc_misc_pkt_list_trim(struct htt_pdev_t *pdev, int level)
 void htt_htc_misc_pkt_list_add(struct htt_pdev_t *pdev, struct htt_htc_pkt *pkt)
 {
 	struct htt_htc_pkt_union *u_pkt = (struct htt_htc_pkt_union *)pkt;
+	int misclist_trim_level = htc_get_tx_queue_depth(pdev->htc_pdev,
+							pkt->htc_pkt.Endpoint)
+				+ HTT_HTC_PKT_MISCLIST_SIZE;
 
 	HTT_TX_MUTEX_ACQUIRE(&pdev->htt_tx_mutex);
 	if (pdev->htt_htc_pkt_misclist) {
@@ -159,7 +162,10 @@ void htt_htc_misc_pkt_list_add(struct htt_pdev_t *pdev, struct htt_htc_pkt *pkt)
 	}
 	HTT_TX_MUTEX_RELEASE(&pdev->htt_tx_mutex);
 
-	htt_htc_misc_pkt_list_trim(pdev, HTT_HTC_PKT_MISCLIST_SIZE);
+	/* only ce pipe size + tx_queue_depth could possibly be in use
+	 * free older packets in the msiclist
+	 */
+	htt_htc_misc_pkt_list_trim(pdev, misclist_trim_level);
 }
 
 void htt_htc_misc_pkt_pool_free(struct htt_pdev_t *pdev)

core/dp/htt/htt_types.h

@@ -48,7 +48,11 @@
 #endif
 #endif /* QCA_TX_HTT2_SUPPORT */
 
-#define HTT_HTC_PKT_MISCLIST_SIZE           32
+/* Set the base misclist size to the size of the htt tx copy engine
+ * to guarantee that a packet on the misclist wont be freed while it
+ * is sitting in the copy engine.
+ */
+#define HTT_HTC_PKT_MISCLIST_SIZE          2048
 
 struct htt_htc_pkt {
 	void *pdev_ctxt;