blob: f03e73059868681133d8bbc6be23b87097a3e4ad (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/*
* (C) 2012-2013 by Pablo Neira Ayuso <pablo@netfilter.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/netlink.h>
#include <linux/netfilter/nfnetlink.h>
#include <libmnl/libmnl.h>
#include <libnftables/common.h>
#include "internal.h"
struct nlmsghdr *nft_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family,
uint16_t type, uint32_t seq)
{
struct nlmsghdr *nlh;
struct nfgenmsg *nfh;
nlh = mnl_nlmsg_put_header(buf);
nlh->nlmsg_type = (NFNL_SUBSYS_NFTABLES << 8) | cmd;
nlh->nlmsg_flags = NLM_F_REQUEST | type;
nlh->nlmsg_seq = seq;
nfh = mnl_nlmsg_put_extra_header(nlh, sizeof(struct nfgenmsg));
nfh->nfgen_family = family;
nfh->version = NFNETLINK_V0;
nfh->res_id = 0;
return nlh;
}
EXPORT_SYMBOL(nft_nlmsg_build_hdr);
|