diff options
Diffstat (limited to 'include/uapi/linux/tcp.h')
| -rw-r--r-- | include/uapi/linux/tcp.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/include/uapi/linux/tcp.h b/include/uapi/linux/tcp.h index 8204dcebc6f3..a5507c977497 100644 --- a/include/uapi/linux/tcp.h +++ b/include/uapi/linux/tcp.h @@ -117,7 +117,8 @@ enum { #define TCP_SAVED_SYN 28 /* Get SYN headers recorded for connection */ #define TCP_REPAIR_WINDOW 29 /* Get/set window parameters */ #define TCP_FASTOPEN_CONNECT 30 /* Attempt FastOpen with connect */ -#define TCP_ULP 31 /* Attach a ULP to a TCP connection */ +#define TCP_ULP 31 /* Attach a ULP to a TCP connection */ +#define TCP_MD5SIG_EXT 32 /* TCP MD5 Signature with extensions */ struct tcp_repair_opt { __u32 opt_code; @@ -235,11 +236,15 @@ enum { /* for TCP_MD5SIG socket option */ #define TCP_MD5SIG_MAXKEYLEN 80 +/* tcp_md5sig extension flags for TCP_MD5SIG_EXT */ +#define TCP_MD5SIG_FLAG_PREFIX 1 /* address prefix length */ + struct tcp_md5sig { struct __kernel_sockaddr_storage tcpm_addr; /* address associated */ - __u16 __tcpm_pad1; /* zero */ + __u8 tcpm_flags; /* extension flags */ + __u8 tcpm_prefixlen; /* address prefix */ __u16 tcpm_keylen; /* key length */ - __u32 __tcpm_pad2; /* zero */ + __u32 __tcpm_pad; /* zero */ __u8 tcpm_key[TCP_MD5SIG_MAXKEYLEN]; /* key (binary) */ }; |