net/qrtr/qrtr.h

   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