root/net/qrtr/qrtr.h

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INCLUDED FROM


   1 /* SPDX-License-Identifier: GPL-2.0 */
   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

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