[linux.git] / net / qrtr / qrtr.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __QRTR_H_
#define __QRTR_H_

#include <linux/types.h>

struct sk_buff;

/* endpoint node id auto assignment */
#define QRTR_EP_NID_AUTO (-1)

/**
 * struct qrtr_endpoint - endpoint handle
 * @xmit: Callback for outgoing packets
 *
 * The socket buffer passed to the xmit function becomes owned by the endpoint
 * driver.  As such, when the driver is done with the buffer, it should
 * call kfree_skb() on failure, or consume_skb() on success.
 */
struct qrtr_endpoint {
	int (*xmit)(struct qrtr_endpoint *ep, struct sk_buff *skb);
	/* private: not for endpoint use */
	struct qrtr_node *node;
};

int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid);

void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);

int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
bdabad3e CC	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