1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __QRTR_H_
3 #define __QRTR_H_
4
5 #include <linux/types.h>
6
7 struct sk_buff;
8
9 /* endpoint node id auto assignment */
10 #define QRTR_EP_NID_AUTO (-1)
11
12 /**
13 * struct qrtr_endpoint - endpoint handle
14 * @xmit: Callback for outgoing packets
15 *
16 * The socket buffer passed to the xmit function becomes owned by the endpoint
17 * driver. As such, when the driver is done with the buffer, it should
18 * call kfree_skb() on failure, or consume_skb() on success.
19 */
20 struct qrtr_endpoint {
21 int (*xmit)(struct qrtr_endpoint *ep, struct sk_buff *skb);
22 /* private: not for endpoint use */
23 struct qrtr_node *node;
24 };
25
26 int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid);
27
28 void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);
29
30 int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);
31
32 #endif