| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _NFNETLINK_H |
| #define _NFNETLINK_H |
| #include <linux/types.h> |
| |
| #define NF_NETLINK_CONNTRACK_NEW 0x00000001 |
| #define NF_NETLINK_CONNTRACK_UPDATE 0x00000002 |
| #define NF_NETLINK_CONNTRACK_DESTROY 0x00000004 |
| #define NF_NETLINK_CONNTRACK_EXP_NEW 0x00000008 |
| #define NF_NETLINK_CONNTRACK_EXP_UPDATE 0x00000010 |
| #define NF_NETLINK_CONNTRACK_EXP_DESTROY 0x00000020 |
| |
| enum nfnetlink_groups { |
| NFNLGRP_NONE, |
| #define NFNLGRP_NONE NFNLGRP_NONE |
| NFNLGRP_CONNTRACK_NEW, |
| #define NFNLGRP_CONNTRACK_NEW NFNLGRP_CONNTRACK_NEW |
| NFNLGRP_CONNTRACK_UPDATE, |
| #define NFNLGRP_CONNTRACK_UPDATE NFNLGRP_CONNTRACK_UPDATE |
| NFNLGRP_CONNTRACK_DESTROY, |
| #define NFNLGRP_CONNTRACK_DESTROY NFNLGRP_CONNTRACK_DESTROY |
| NFNLGRP_CONNTRACK_EXP_NEW, |
| #define NFNLGRP_CONNTRACK_EXP_NEW NFNLGRP_CONNTRACK_EXP_NEW |
| NFNLGRP_CONNTRACK_EXP_UPDATE, |
| #define NFNLGRP_CONNTRACK_EXP_UPDATE NFNLGRP_CONNTRACK_EXP_UPDATE |
| NFNLGRP_CONNTRACK_EXP_DESTROY, |
| #define NFNLGRP_CONNTRACK_EXP_DESTROY NFNLGRP_CONNTRACK_EXP_DESTROY |
| __NFNLGRP_MAX, |
| }; |
| #define NFNLGRP_MAX (__NFNLGRP_MAX - 1) |
| |
| struct nfattr |
| { |
| u_int16_t nfa_len; |
| u_int16_t nfa_type; |
| } __attribute__ ((packed)); |
| |
| #define NFNL_NFA_NEST 0x8000 |
| #define NFA_TYPE(attr) ((attr)->nfa_type & 0x7fff) |
| |
| #define NFA_ALIGNTO 4 |
| #define NFA_ALIGN(len) (((len) + NFA_ALIGNTO - 1) & ~(NFA_ALIGNTO - 1)) |
| #define NFA_OK(nfa,len) ((len) > 0 && (nfa)->nfa_len >= sizeof(struct nfattr) && (nfa)->nfa_len <= (len)) |
| #define NFA_NEXT(nfa,attrlen) ((attrlen) -= NFA_ALIGN((nfa)->nfa_len), (struct nfattr *)(((char *)(nfa)) + NFA_ALIGN((nfa)->nfa_len))) |
| #define NFA_LENGTH(len) (NFA_ALIGN(sizeof(struct nfattr)) + (len)) |
| #define NFA_SPACE(len) NFA_ALIGN(NFA_LENGTH(len)) |
| #define NFA_DATA(nfa) ((void *)(((char *)(nfa)) + NFA_LENGTH(0))) |
| #define NFA_PAYLOAD(nfa) ((int)((nfa)->nfa_len) - NFA_LENGTH(0)) |
| #define NFA_NEST(skb, type) ({ struct nfattr *__start = (struct nfattr *) (skb)->tail; NFA_PUT(skb, (NFNL_NFA_NEST | type), 0, NULL); __start; }) |
| #define NFA_NEST_END(skb, start) ({ (start)->nfa_len = ((skb)->tail - (unsigned char *) (start)); (skb)->len; }) |
| #define NFA_NEST_CANCEL(skb, start) ({ if (start) skb_trim(skb, (unsigned char *) (start) - (skb)->data); -1; }) |
| |
| struct nfgenmsg { |
| u_int8_t nfgen_family; |
| u_int8_t version; |
| u_int16_t res_id; |
| } __attribute__ ((packed)); |
| |
| #define NFNETLINK_V0 0 |
| |
| #define NFM_NFA(n) ((struct nfattr *)(((char *)(n)) + NLMSG_ALIGN(sizeof(struct nfgenmsg)))) |
| #define NFM_PAYLOAD(n) NLMSG_PAYLOAD(n, sizeof(struct nfgenmsg)) |
| |
| #define NFNL_SUBSYS_ID(x) ((x & 0xff00) >> 8) |
| #define NFNL_MSG_TYPE(x) (x & 0x00ff) |
| |
| #define NFNL_SUBSYS_NONE 0 |
| #define NFNL_SUBSYS_CTNETLINK 1 |
| #define NFNL_SUBSYS_CTNETLINK_EXP 2 |
| #define NFNL_SUBSYS_QUEUE 3 |
| #define NFNL_SUBSYS_ULOG 4 |
| #define NFNL_SUBSYS_COUNT 5 |
| |
| #endif |