Linux Kernel: include/uapi/linux/netfilter/xt

1 /* Header file for kernel module to match connection tracking information.

3 */

5 #ifndef _XT_CONNTRACK_H

6 #define _XT_CONNTRACK_H

8 #include <linux/types.h>

9 #include <linux/netfilter.h>

10 #include <linux/netfilter/nf_conntrack_tuple_common.h>

12 #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))

13 #define XT_CONNTRACK_STATE_INVALID (1 << 0)

15 #define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))

16 #define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))

17 #define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3))

19 /* flags, invflags: */

20 enum {

21 XT_CONNTRACK_STATE = 1 << 0,

22 XT_CONNTRACK_PROTO = 1 << 1,

23 XT_CONNTRACK_ORIGSRC = 1 << 2,

24 XT_CONNTRACK_ORIGDST = 1 << 3,

25 XT_CONNTRACK_REPLSRC = 1 << 4,

26 XT_CONNTRACK_REPLDST = 1 << 5,

27 XT_CONNTRACK_STATUS = 1 << 6,

28 XT_CONNTRACK_EXPIRES = 1 << 7,

29 XT_CONNTRACK_ORIGSRC_PORT = 1 << 8,

30 XT_CONNTRACK_ORIGDST_PORT = 1 << 9,

31 XT_CONNTRACK_REPLSRC_PORT = 1 << 10,

32 XT_CONNTRACK_REPLDST_PORT = 1 << 11,

33 XT_CONNTRACK_DIRECTION = 1 << 12,

34 };

36 struct xt_conntrack_mtinfo1 {

37 union nf_inet_addr origsrc_addr, origsrc_mask;

38 union nf_inet_addr origdst_addr, origdst_mask;

39 union nf_inet_addr replsrc_addr, replsrc_mask;

40 union nf_inet_addr repldst_addr, repldst_mask;

41 __u32 expires_min, expires_max;

42 __u16 l4proto;

43 __be16 origsrc_port, origdst_port;

44 __be16 replsrc_port, repldst_port;

45 __u16 match_flags, invert_flags;

46 __u8 state_mask, status_mask;

47 };

49 struct xt_conntrack_mtinfo2 {

50 union nf_inet_addr origsrc_addr, origsrc_mask;

51 union nf_inet_addr origdst_addr, origdst_mask;

52 union nf_inet_addr replsrc_addr, replsrc_mask;

53 union nf_inet_addr repldst_addr, repldst_mask;

54 __u32 expires_min, expires_max;

55 __u16 l4proto;

56 __be16 origsrc_port, origdst_port;

57 __be16 replsrc_port, repldst_port;

58 __u16 match_flags, invert_flags;

59 __u16 state_mask, status_mask;

60 };

62 struct xt_conntrack_mtinfo3 {

63 union nf_inet_addr origsrc_addr, origsrc_mask;

64 union nf_inet_addr origdst_addr, origdst_mask;

65 union nf_inet_addr replsrc_addr, replsrc_mask;

66 union nf_inet_addr repldst_addr, repldst_mask;

67 __u32 expires_min, expires_max;

68 __u16 l4proto;

69 __u16 origsrc_port, origdst_port;

70 __u16 replsrc_port, repldst_port;

71 __u16 match_flags, invert_flags;

72 __u16 state_mask, status_mask;

73 __u16 origsrc_port_high, origdst_port_high;

74 __u16 replsrc_port_high, repldst_port_high;

75 };

77 #endif /*_XT_CONNTRACK_H*/