include/linux/netfilter/xt_tcpudp.h

   1 #ifndef _XT_TCPUDP_H
   2 #define _XT_TCPUDP_H
   3
   4 /* TCP matching stuff */
   5 struct xt_tcp
   6 {
   7         u_int16_t spts[2];                      /* Source port range. */
   8         u_int16_t dpts[2];                      /* Destination port range. */
   9         u_int8_t option;                        /* TCP Option iff non-zero*/
  10         u_int8_t flg_mask;                      /* TCP flags mask byte */
  11         u_int8_t flg_cmp;                       /* TCP flags compare byte */
  12         u_int8_t invflags;                      /* Inverse flags */
  13 };
  14
  15 /* Values for "inv" field in struct ipt_tcp. */
  16 #define XT_TCP_INV_SRCPT        0x01    /* Invert the sense of source ports. */
  17 #define XT_TCP_INV_DSTPT        0x02    /* Invert the sense of dest ports. */
  18 #define XT_TCP_INV_FLAGS        0x04    /* Invert the sense of TCP flags. */
  19 #define XT_TCP_INV_OPTION       0x08    /* Invert the sense of option test. */
  20 #define XT_TCP_INV_MASK         0x0F    /* All possible flags. */
  21
  22 /* UDP matching stuff */
  23 struct xt_udp
  24 {
  25         u_int16_t spts[2];                      /* Source port range. */
  26         u_int16_t dpts[2];                      /* Destination port range. */
  27         u_int8_t 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