LXR linux/include/uapi/linux/netfilter/xt

   1#ifndef _XT_TCPUDP_H
   2#define _XT_TCPUDP_H
   3
   4#include <linux/types.h>
   5
   6/* TCP matching stuff */
   7struct xt_tcp {
   8        __u16 spts[2];                  /* Source port range. */
   9        __u16 dpts[2];                  /* Destination port range. */
  10        __u8 option;                    /* TCP Option iff non-zero*/
  11        __u8 flg_mask;                  /* TCP flags mask byte */
  12        __u8 flg_cmp;                   /* TCP flags compare byte */
  13        __u8 invflags;                  /* Inverse flags */
  14};
  15
  16/* Values for "inv" field in struct ipt_tcp. */
  17#define XT_TCP_INV_SRCPT        0x01    /* Invert the sense of source ports. */
  18#define XT_TCP_INV_DSTPT        0x02    /* Invert the sense of dest ports. */
  19#define XT_TCP_INV_FLAGS        0x04    /* Invert the sense of TCP flags. */
  20#define XT_TCP_INV_OPTION       0x08    /* Invert the sense of option test. */
  21#define XT_TCP_INV_MASK         0x0F    /* All possible flags. */
  22
  23/* UDP matching stuff */
  24struct xt_udp {
  25        __u16 spts[2];                  /* Source port range. */
  26        __u16 dpts[2];                  /* Destination port range. */
  27        __u8 invflags;                  /* Inverse flags */
  28};
  29
  30/* Values for "invflags" field in struct ipt_udp. */
  31#define XT_UDP_INV_SRCPT        0x01    /* Invert the sense of source ports. */
  32#define XT_UDP_INV_DSTPT        0x02    /* Invert the sense of dest ports. */
  33#define XT_UDP_INV_MASK 0x03    /* All possible flags. */
  34
  35
  36#endif
  37