1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2020 Philippe Reynes <philippe.reynes@softathome.com>
4  */
5 
6 #ifndef __UDP
7 #define __UDP
8 
9 /**
10  * struct udp_ops - function to handle udp packet
11  *
12  * This structure provides the function to handle udp packet in
13  * the network loop.
14  *
15  * @prereq: callback called to check the requirement
16  * @start: callback called to start the protocol/feature
17  * @data: pointer to store private data (used by prereq and start)
18  */
19 struct udp_ops {
20 	int (*prereq)(void *data);
21 	int (*start)(void *data);
22 	void *data;
23 };
24 
25 int udp_prereq(void);
26 
27 int udp_start(void);
28 
29 /**
30  * udp_loop() - network loop for udp protocol
31  *
32  * Launch a network loop for udp protocol and use callbacks
33  * provided in parameter @ops to initialize the loop, and then
34  * to handle udp packet.
35  *
36  * @ops: udp callback
37  * @return: 0 if success, otherwise < 0 on error
38  */
39 int udp_loop(struct udp_ops *ops);
40 
41 #endif
42