xref: /linux/net/qrtr/qrtr.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
1 #ifndef __QRTR_H_
2 #define __QRTR_H_
3 
4 #include <linux/types.h>
5 
6 struct sk_buff;
7 
8 /* endpoint node id auto assignment */
9 #define QRTR_EP_NID_AUTO (-1)
10 
11 /**
12  * struct qrtr_endpoint - endpoint handle
13  * @xmit: Callback for outgoing packets
14  *
15  * The socket buffer passed to the xmit function becomes owned by the endpoint
16  * driver.  As such, when the driver is done with the buffer, it should
17  * call kfree_skb() on failure, or consume_skb() on success.
18  */
19 struct qrtr_endpoint {
20 	int (*xmit)(struct qrtr_endpoint *ep, struct sk_buff *skb);
21 	/* private: not for endpoint use */
22 	struct qrtr_node *node;
23 };
24 
25 int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid);
26 
27 void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);
28 
29 int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);
30 
31 #endif
32