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 33