libnl: /data/src/libnl/include/netlink/netfilter/nfnl.h Source File

libnl 3.12.0

nfnl.h
1/* SPDX-License-Identifier: LGPL-2.1-only */
2/*
3 * Copyright (c) 2003-2008 Thomas Graf <tgraf@suug.ch>
4 * Copyright (c) 2007 Philip Craig <philipc@snapgear.com>
5 * Copyright (c) 2007 Secure Computing Corporation
6 */
7
8#ifndef NETLINK_NFNL_H_
9#define NETLINK_NFNL_H_
10
11#include <netlink/netlink.h>
12
13#ifdef __cplusplus
14extern "C" {
15#endif
16
17#define NFNL_HDRLEN NLMSG_ALIGN(sizeof(struct nfgenmsg))
18#define NFNLMSG_TYPE(subsys, subtype) (((subsys) << 8) | (subtype))
19
20extern int nfnl_connect(struct nl_sock *);
21
22extern uint8_t nfnlmsg_subsys(struct nlmsghdr *);
23extern uint8_t nfnlmsg_subtype(struct nlmsghdr *);
24extern uint8_t nfnlmsg_family(struct nlmsghdr *);
25extern uint16_t nfnlmsg_res_id(struct nlmsghdr *);
26
27extern int nfnl_send_simple(struct nl_sock *, uint8_t, uint8_t,
28 int, uint8_t, uint16_t);
29extern struct nl_msg * nfnlmsg_alloc_simple(uint8_t, uint8_t, int,
30 uint8_t, uint16_t);
31extern int nfnlmsg_put(struct nl_msg *, uint32_t, uint32_t,
32 uint8_t, uint8_t, int, uint8_t, uint16_t);
33
34#ifdef __cplusplus
35}
36#endif
37
38#endif
nfnlmsg_res_id
uint16_t nfnlmsg_res_id(struct nlmsghdr *)
Get netfilter resource id from message.
Definition nfnl.c:162
nfnlmsg_subsys
uint8_t nfnlmsg_subsys(struct nlmsghdr *)
Get netfilter subsystem id from message.
Definition nfnl.c:133
nfnlmsg_family
uint8_t nfnlmsg_family(struct nlmsghdr *)
Get netfilter family from message.
Definition nfnl.c:151
nfnlmsg_put
int nfnlmsg_put(struct nl_msg *, uint32_t, uint32_t, uint8_t, uint8_t, int, uint8_t, uint16_t)
Add netlink and netfilter netlink headers to netlink message.
Definition nfnl.c:232
nfnl_connect
int nfnl_connect(struct nl_sock *)
Create and connect netfilter netlink socket.
Definition nfnl.c:85
nfnl_send_simple
int nfnl_send_simple(struct nl_sock *, uint8_t, uint8_t, int, uint8_t, uint16_t)
Send trivial netfilter netlink message.
Definition nfnl.c:109
nfnlmsg_subtype
uint8_t nfnlmsg_subtype(struct nlmsghdr *)
Get netfilter message type from message.
Definition nfnl.c:142
nfnlmsg_alloc_simple
struct nl_msg * nfnlmsg_alloc_simple(uint8_t, uint8_t, int, uint8_t, uint16_t)
Allocate a new netfilter netlink message.
Definition nfnl.c:202