/**************************************************************************** **************************************************************************** *** *** 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