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 37
