include/linux/netfilter/xt_tcpudp.h

   1 #ifndef _XT_TCPUDP_H
   2 #define _XT_TCPUDP_H
   3
   4 #include <linux/types.h>
   5
   6 /* TCP matching stuff */
   7 struct 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 */
  24 struct 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