1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __QRTR_H_ 3*4882a593Smuzhiyun #define __QRTR_H_ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <linux/types.h> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun struct sk_buff; 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* endpoint node id auto assignment */ 10*4882a593Smuzhiyun #define QRTR_EP_NID_AUTO (-1) 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /** 13*4882a593Smuzhiyun * struct qrtr_endpoint - endpoint handle 14*4882a593Smuzhiyun * @xmit: Callback for outgoing packets 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * The socket buffer passed to the xmit function becomes owned by the endpoint 17*4882a593Smuzhiyun * driver. As such, when the driver is done with the buffer, it should 18*4882a593Smuzhiyun * call kfree_skb() on failure, or consume_skb() on success. 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun struct qrtr_endpoint { 21*4882a593Smuzhiyun int (*xmit)(struct qrtr_endpoint *ep, struct sk_buff *skb); 22*4882a593Smuzhiyun /* private: not for endpoint use */ 23*4882a593Smuzhiyun struct qrtr_node *node; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun int qrtr_endpoint_register(struct qrtr_endpoint *ep, unsigned int nid); 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun void qrtr_endpoint_unregister(struct qrtr_endpoint *ep); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun void qrtr_ns_init(void); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun void qrtr_ns_remove(void); 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #endif 37