diff options
Diffstat (limited to 'lib/src/mapme.h')
| -rw-r--r-- | lib/src/mapme.h | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/lib/src/mapme.h b/lib/src/mapme.h index 00c7ca798..8fae44530 100644 --- a/lib/src/mapme.h +++ b/lib/src/mapme.h @@ -47,10 +47,10 @@ typedef struct /** @brief Default MAP-Me configuration */ static const hicn_mapme_conf_t hicn_mapme_conf = { - ATTR_INIT(enabled, false), - ATTR_INIT(timescale, 0), - ATTR_INIT(retx, 50), - ATTR_INIT(discovery, true), + ATTR_INIT (enabled, false), + ATTR_INIT (timescale, 0), + ATTR_INIT (retx, 50), + ATTR_INIT (discovery, true), }; /** @brief MAP-Me update sequence number */ @@ -106,22 +106,30 @@ int hicn_mapme_parse_packet (const u8 * packet, hicn_prefix_t * prefix, /* Default TTL */ #define HICN_MAPME_TTL 255 // typical for redirect (ref?) +/* + * The length of the MAPME4 header struct must be 120 bytes. + */ +#define EXPECTED_MAPME_V4_HDRLEN 120 + /** @brief MAP-Me packet header for IPv4 */ -typedef struct __attribute__ ((packed)) +typedef struct { _ipv4_header_t ip; - _icmp_header_t icmp; _icmprd4_header_t icmp_rd; seq_t seq; u8 len; u8 _pad[3]; } hicn_mapme_v4_header_t; +/* + * The length of the MAPME4 header struct must be bytes. + */ +#define EXPECTED_MAPME_V6_HDRLEN 88 + /** @brief MAP-Me packet header for IPv6 */ -typedef struct __attribute__ ((packed)) +typedef struct { _ipv6_header_t ip; - _icmp_header_t icmp; _icmprd_header_t icmp_rd; seq_t seq; u8 len; @@ -138,6 +146,11 @@ typedef union #define HICN_MAPME_V4_HDRLEN sizeof(hicn_mapme_v4_header_t) #define HICN_MAPME_V6_HDRLEN sizeof(hicn_mapme_v6_header_t) +static_assert (EXPECTED_MAPME_V4_HDRLEN == HICN_MAPME_V4_HDRLEN, + "Size of MAPME_V4 struct does not match its expected size."); +static_assert (EXPECTED_MAPME_V6_HDRLEN == HICN_MAPME_V6_HDRLEN, + "Size of MAPME_V6 struct does not match its expected size."); + #endif /* HICN_MAPME_H */ /* |