diff options
Diffstat (limited to 'common/include/decode_ipv6.h')
| -rw-r--r-- | common/include/decode_ipv6.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/common/include/decode_ipv6.h b/common/include/decode_ipv6.h new file mode 100644 index 0000000..9bb0d36 --- /dev/null +++ b/common/include/decode_ipv6.h @@ -0,0 +1,58 @@ +#ifndef _DECODE_IPV6_H +#define _DECODE_IPV6_H + +#ifdef __cpluscplus +extern "C" +{ +#endif + +#include "public.h" + +#define IPV6_HEADER_LEN 40 + + typedef struct ipv6_header_s + { + union + { + struct ip6_un1_ + { + uint32_t ip6_un1_flow; /* 20 bits of flow-ID */ + uint16_t ip6_un1_plen; /* payload length */ + uint8_t ip6_un1_nxt; /* next header */ + uint8_t ip6_un1_hlim; /* hop limit */ + } ip6_un1; + uint8_t ip6_un2_vfc; /* 4 bits version, top 4 bits class */ + } ip6_hdrun; + + union + { + struct + { + uint32_t ip6_src[4]; + uint32_t ip6_dst[4]; + } ip6_un2; + uint16_t ip6_addrs[16]; + } ip6_hdrun2; + } __attribute__((__packed__)) ipv6_header_t; + + typedef struct ipv6_info_s + { + char src_addr[INET6_ADDRSTRLEN]; + char dst_addr[INET6_ADDRSTRLEN]; + + ipv6_header_t *hdr; + uint8_t *payload; + uint8_t next_protocol; + + uint32_t hdr_len; + uint32_t payload_len; + } ipv6_info_t; + + int decode_ipv6(ipv6_info_t *packet, const uint8_t *data, uint32_t len); + void dump_ipv6_info(uint32_t pkt_id, ipv6_info_t *packet); + +#ifdef __cpluscplus +} +#endif + +#endif
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