Bluetooth: controller: split: conn handle invalidation on release

Move invalidation of connection handle to connection context
release done on release of terminate rx node.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/ll_sw/ull.c

@@ -818,16 +818,29 @@ void ll_rx_mem_release(void **node_rx)
 		case NODE_RX_TYPE_TERMINATE:
 		{
 			struct ll_conn *conn;
+			struct lll_conn *lll;
 			memq_link_t *link;
 
+			/* Get the connection context */
 			conn = ll_conn_get(rx_free->handle);
+			lll = &conn->lll;
 
-			LL_ASSERT(!conn->lll.link_tx_free);
-			link = memq_deinit(&conn->lll.memq_tx.head,
-					   &conn->lll.memq_tx.tail);
+			/* Invalidate the connection context */
+			lll->handle = 0xFFFF;
+
+			/* Demux and flush Tx PDUs that remain enqueued in
+			 * thread context
+			 */
+			ull_conn_tx_demux(UINT8_MAX);
+
+			/* De-initialize tx memq and release the used link */
+			LL_ASSERT(!lll->link_tx_free);
+			link = memq_deinit(&lll->memq_tx.head,
+					   &lll->memq_tx.tail);
 			LL_ASSERT(link);
-			conn->lll.link_tx_free = link;
+			lll->link_tx_free = link;
 
+			/* Release the connection context to free pool */
 			ll_conn_release(conn);
 		}
 		break;

subsys/bluetooth/controller/ll_sw/ull_conn.c

@@ -1713,9 +1713,6 @@ static void conn_cleanup(struct ll_conn *conn, u8_t reason)
 				    ticker_op_stop_cb, (void *)lll);
 	LL_ASSERT((ticker_status == TICKER_STATUS_SUCCESS) ||
 		  (ticker_status == TICKER_STATUS_BUSY));
-
-	/* Demux and flush Tx PDUs that remain enqueued in thread context */
-	ull_conn_tx_demux(UINT8_MAX);
 }
 
 static void tx_ull_flush(struct ll_conn *conn)
@@ -1743,9 +1740,6 @@ static void tx_lll_flush(void *param)
 
 	lll_conn_flush(lll);
 
-	/* Invalidate the connection context */
-	lll->handle = 0xFFFF;
-
 	link = memq_dequeue(lll->memq_tx.tail, &lll->memq_tx.head,
 			    (void **)&tx);
 	while (link) {