bluetooth: avrcp: provide an API for net buffer allocation (b923bde6) · Commits · Wenxi XU / zephyr

include/zephyr/bluetooth/classic/avrcp.h

+13 −0

Original line number	Diff line number	Diff line
		@@ -264,6 +264,19 @@ int bt_avrcp_connect(struct bt_conn *conn);
		*/
		int bt_avrcp_disconnect(struct bt_conn *conn);

		/**
		* @brief Allocate a net_buf for AVRCP PDU transmission, reserving headroom
		* for AVRCP, AVRCTP, L2CAP, and ACL headers.
		*
		* This function allocates a buffer from the specified pool and reserves
		* sufficient headroom for protocol headers required by AVRCP over Bluetooth.
		*
		* @param pool The buffer pool to allocate from.
		*
		* @return A newly allocated net_buf with reserved headroom.
		*/
		struct net_buf bt_avrcp_create_pdu(struct net_buf_pool pool);

		/** @brief Register callback.
		*
		* Register AVRCP callbacks to monitor the state and interact with the remote device.

+8 −0

Original line number	Diff line number	Diff line
		@@ -814,6 +814,14 @@ int bt_avrcp_disconnect(struct bt_conn *conn)
		return err;
		}

		struct net_buf bt_avrcp_create_pdu(struct net_buf_pool pool)
		{
		return bt_conn_create_pdu(pool,
		sizeof(struct bt_l2cap_hdr) +
		sizeof(struct bt_avctp_header) +
		sizeof(struct bt_avrcp_header));
		}

		int bt_avrcp_ct_get_cap(struct bt_avrcp_ct *ct, uint8_t tid, uint8_t cap_id)
		{
		struct net_buf *buf;