LXR linux/net/qrtr/qrtr.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __QRTR_H_
   3#define __QRTR_H_
   4
   5#include <linux/types.h>
   6
   7struct 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 */
  20struct 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
  26int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid);
  27
  28void qrtr_endpoint_unregister(struct qrtr_endpoint *ep);
  29
  30int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len);
  31
  32int qrtr_ns_init(void);
  33
  34void qrtr_ns_remove(void);
  35
  36#endif
  37