1 /****************************************************************************
2 ****************************************************************************
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
10 ****************************************************************************
11 ****************************************************************************/
14 #include <linux/types.h>
16 #define NF_NETLINK_CONNTRACK_NEW 0x00000001
17 #define NF_NETLINK_CONNTRACK_UPDATE 0x00000002
18 #define NF_NETLINK_CONNTRACK_DESTROY 0x00000004
19 #define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008
20 #define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010
21 #define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020
23 enum nfnetlink_groups {
25 #define NFNLGRP_NONE NFNLGRP_NONE
26 NFNLGRP_CONNTRACK_NEW,
27 #define NFNLGRP_CONNTRACK_NEW NFNLGRP_CONNTRACK_NEW
28 NFNLGRP_CONNTRACK_UPDATE,
29 #define NFNLGRP_CONNTRACK_UPDATE NFNLGRP_CONNTRACK_UPDATE
30 NFNLGRP_CONNTRACK_DESTROY,
31 #define NFNLGRP_CONNTRACK_DESTROY NFNLGRP_CONNTRACK_DESTROY
32 NFNLGRP_CONNTRACK_EXP_NEW,
33 #define NFNLGRP_CONNTRACK_EXP_NEW NFNLGRP_CONNTRACK_EXP_NEW
34 NFNLGRP_CONNTRACK_EXP_UPDATE,
35 #define NFNLGRP_CONNTRACK_EXP_UPDATE NFNLGRP_CONNTRACK_EXP_UPDATE
36 NFNLGRP_CONNTRACK_EXP_DESTROY,
37 #define NFNLGRP_CONNTRACK_EXP_DESTROY NFNLGRP_CONNTRACK_EXP_DESTROY
40 #define NFNLGRP_MAX (__NFNLGRP_MAX - 1)
46 } __attribute__ ((packed));
48 #define NFNL_NFA_NEST 0x8000
49 #define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff)
52 #define NFA_ALIGN(len) (((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1))
53 #define NFA_OK(nfa,len) ((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) && (nfa)->nfa_len <= (len))
54 #define NFA_NEXT(nfa,attrlen) ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), (struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len)))
55 #define NFA_LENGTH(len) (NFA_ALIGN(sizeof(struct nfattr)) + (len))
56 #define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len))
57 #define NFA_DATA(nfa) ((void *)(((char *)(nfa)) + NFA_LENGTH(0)))
58 #define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0))
59 #define NFA_NEST(skb, type) ({ struct nfattr *__start = (struct nfattr *) (skb)->tail; NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); __start; })
60 #define NFA_NEST_END(skb, start) ({ (start)->nfa_len = ((skb)->tail - (unsigned char *) (start)); (skb)->len; })
61 #define NFA_NEST_CANCEL(skb, start) ({ if (start) skb_trim(skb, (unsigned char *) (start) - (skb)->data); -1; })
64 u_int8_t nfgen_family;
67 } __attribute__ ((packed));
69 #define NFNETLINK_V0 0
71 #define NFM_NFA(n) ((struct nfattr *)(((char *)(n)) + NLMSG_ALIGN(sizeof(struct nfgenmsg))))
72 #define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg))
74 #define NFNL_SUBSYS_ID(x) ((x & 0xff00) >> 8)
75 #define NFNL_MSG_TYPE(x) (x & 0x00ff)
77 #define NFNL_SUBSYS_NONE 0
78 #define NFNL_SUBSYS_CTNETLINK 1
79 #define NFNL_SUBSYS_CTNETLINK_EXP 2
80 #define NFNL_SUBSYS_QUEUE 3
81 #define NFNL_SUBSYS_ULOG 4
82 #define NFNL_SUBSYS_COUNT 5