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#ifndef _IP_H #define _IP_H #include "stddef.h" #include "stdint.h" #include <gpxe/in.h> struct iphdr { uint8_t verhdrlen; uint8_t service; uint16_t len; uint16_t ident; uint16_t frags; uint8_t ttl; uint8_t protocol; uint16_t chksum; struct in_addr src; struct in_addr dest; } PACKED; extern uint16_t tcpudpchksum(struct iphdr *ip); #endif /* _IP_H */