mirror_ubuntu-kernels/net/qrtr/qrtr.h

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2024-07-02 00:48:40 +03:00
/* 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);
int qrtr_ns_init(void);
void qrtr_ns_remove(void);
#endif