diff options
Diffstat (limited to 'sys/netinet/ip.h')
| -rw-r--r-- | sys/netinet/ip.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/netinet/ip.h b/sys/netinet/ip.h index 025ad08..aca0432 100644 --- a/sys/netinet/ip.h +++ b/sys/netinet/ip.h @@ -193,4 +193,16 @@ struct ip_timestamp { #define IP_MSS 576 /* default maximum segment size */ +/* + * This is the real IPv4 pseudo header, used for computing the TCP and UDP + * checksums. For the Internet checksum, struct ipovly can be used instead. + * For stronger checksums, the real thing must be used. + */ +struct ippseudo { + struct in_addr ippseudo_src; /* source internet address */ + struct in_addr ippseudo_dst; /* destination internet address */ + u_int8_t ippseudo_pad; /* pad, must be zero */ + u_int8_t ippseudo_p; /* protocol */ + u_int16_t ippseudo_len; /* protocol length */ +} __packed; #endif |
