1 /* Netlink helpers for zbuf
2  * Copyright (c) 2014-2015 Timo Teräs
3  *
4  * This file is free software: you may copy, redistribute and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 2 of the License, or
7  * (at your option) any later version.
8  */
9 
10 #include "zbuf.h"
11 
12 #define ZNL_BUFFER_SIZE		8192
13 
14 void *znl_push(struct zbuf *zb, size_t n);
15 void *znl_pull(struct zbuf *zb, size_t n);
16 
17 struct nlmsghdr *znl_nlmsg_push(struct zbuf *zb, uint16_t type, uint16_t flags);
18 void znl_nlmsg_complete(struct zbuf *zb, struct nlmsghdr *n);
19 struct nlmsghdr *znl_nlmsg_pull(struct zbuf *zb, struct zbuf *payload);
20 
21 struct rtattr *znl_rta_push(struct zbuf *zb, uint16_t type, const void *val, size_t len);
22 struct rtattr *znl_rta_push_u32(struct zbuf *zb, uint16_t type, uint32_t val);
23 struct rtattr *znl_rta_nested_push(struct zbuf *zb, uint16_t type);
24 void znl_rta_nested_complete(struct zbuf *zb, struct rtattr *rta);
25 
26 struct rtattr *znl_rta_pull(struct zbuf *zb, struct zbuf *payload);
27 
28 int znl_open(int protocol, int groups);
29 
30