diff options
Diffstat (limited to 'lib/src/header.h')
| -rw-r--r-- | lib/src/header.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/lib/src/header.h b/lib/src/header.h index 3864064f2..b21fe5c84 100644 --- a/lib/src/header.h +++ b/lib/src/header.h @@ -16,15 +16,20 @@ /** * @file header.h * @brief hICN header data structures. - * details. + * + * NOTE: These structures are used as convenient facade for accessing + * the encapsulated headers. They are not written taking compiler padding + * into account, then a sizeof() on these struct could not give the expected + * result. For accessing the size of the hicn headers use the macros at the end of + * this file. */ + #ifndef HICN_HEADER_H #define HICN_HEADER_H #include "common.h" #include "protocol.h" - typedef struct { _ipv6_header_t ip; @@ -94,6 +99,25 @@ typedef union hicn_protocol_t protocol; } hicn_header_t; + +#define HICN_V6_TCP_HDRLEN (IPV6_HDRLEN + TCP_HDRLEN) +#define HICN_V6_ICMP_HDRLEN (IPV6_HDRLEN + ICMP_HDRLEN) +#define HICN_V6_WLDR_HDRLEN (IPV6_HDRLEN + ICMPWLDR_HDRLEN) + +#define HICN_V6_TCP_AH_HDRLEN (HICN_V6_TCP_HDRLEN + AH_HDRLEN) +#define HICN_V6_ICMP_AH_HDRLEN (HICN_V6_ICMP_HDRLEN + AH_HDRLEN) + + +#define HICN_V4_TCP_HDRLEN (IPV4_HDRLEN + TCP_HDRLEN) +#define HICN_V4_ICMP_HDRLEN (IPV4_HDRLEN + ICMP_HDRLEN) +#define HICN_V4_WLDR_HDRLEN (IPV4_HDRLEN + ICMPWLDR_HDRLEN) + +#define HICN_V4_TCP_AH_HDRLEN (HICN_V4_TCP_HDRLEN + AH_HDRLEN) +#define HICN_V4_ICMP_AH_HDRLEN (HICN_V4_ICMP_HDRLEN + AH_HDRLEN) + + + + #endif /* HICN_HEADER_H */ /* |