1*433d6423SLionel Sambuc /* 2*433d6423SLionel Sambuc server/ip/gen/ip_hdr.h 3*433d6423SLionel Sambuc */ 4*433d6423SLionel Sambuc 5*433d6423SLionel Sambuc #ifndef __SERVER__IP__GEN__HDR_H__ 6*433d6423SLionel Sambuc #define __SERVER__IP__GEN__HDR_H__ 7*433d6423SLionel Sambuc 8*433d6423SLionel Sambuc typedef struct ip_hdr 9*433d6423SLionel Sambuc { 10*433d6423SLionel Sambuc u8_t ih_vers_ihl, 11*433d6423SLionel Sambuc ih_tos; 12*433d6423SLionel Sambuc u16_t ih_length, 13*433d6423SLionel Sambuc ih_id, 14*433d6423SLionel Sambuc ih_flags_fragoff; 15*433d6423SLionel Sambuc u8_t ih_ttl, 16*433d6423SLionel Sambuc ih_proto; 17*433d6423SLionel Sambuc u16_t ih_hdr_chk; 18*433d6423SLionel Sambuc ipaddr_t ih_src, 19*433d6423SLionel Sambuc ih_dst; 20*433d6423SLionel Sambuc } ip_hdr_t; 21*433d6423SLionel Sambuc 22*433d6423SLionel Sambuc #define IH_IHL_MASK 0xf 23*433d6423SLionel Sambuc #define IH_VERSION_MASK 0xf 24*433d6423SLionel Sambuc #define IH_FRAGOFF_MASK 0x1fff 25*433d6423SLionel Sambuc #define IH_MORE_FRAGS 0x2000 26*433d6423SLionel Sambuc #define IH_DONT_FRAG 0x4000 27*433d6423SLionel Sambuc #define IH_FLAGS_UNUSED 0x8000 28*433d6423SLionel Sambuc 29*433d6423SLionel Sambuc #define IP_OPT_COPIED 0x80 30*433d6423SLionel Sambuc #define IP_OPT_NUMBER 0x1f 31*433d6423SLionel Sambuc 32*433d6423SLionel Sambuc #define IP_OPT_EOL 0x00 /* End of Options List, RFC-791 */ 33*433d6423SLionel Sambuc #define IP_OPT_NOP 0x01 /* No Operation, RFC-791 */ 34*433d6423SLionel Sambuc #define IP_OPT_RR 0x07 /* Record Route, RFC-791 */ 35*433d6423SLionel Sambuc #define IP_OPT_TS 0x44 /* Timestamp, RFC-791 */ 36*433d6423SLionel Sambuc #define IP_OPT_SEC 0x82 /* Security, RFC-1108 */ 37*433d6423SLionel Sambuc #define IP_OPT_LSRR 0x83 /* Loose Source Route, RFC-791 */ 38*433d6423SLionel Sambuc #define IP_OPT_SSRR 0x89 /* Strict Source Route, RFC-791 */ 39*433d6423SLionel Sambuc #define IP_OPT_RTRALT 0x94 /* Router Alert, RFC-2113 */ 40*433d6423SLionel Sambuc 41*433d6423SLionel Sambuc #define IP_OPT_RR_MIN 4 42*433d6423SLionel Sambuc 43*433d6423SLionel Sambuc #endif /* __SERVER__IP__GEN__HDR_H__ */ 44*433d6423SLionel Sambuc 45*433d6423SLionel Sambuc /* 46*433d6423SLionel Sambuc * $PchId: ip_hdr.h,v 1.5 2002/06/10 07:11:46 philip Exp $ 47*433d6423SLionel Sambuc */ 48