about summary refs log tree commit diff
path: root/sysdeps
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/gnu/netinet/tcp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h
index 1793724642..b2acbb4350 100644
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -272,6 +272,7 @@ struct tcp_info
 
 /* tcp_md5sig extension flags for TCP_MD5SIG_EXT.  */
 #define TCP_MD5SIG_FLAG_PREFIX	1 /* Address prefix length.  */
+#define TCP_MD5SIG_FLAG_IFINDEX	2 /* Ifindex set.  */
 
 struct tcp_md5sig
 {
@@ -279,7 +280,7 @@ struct tcp_md5sig
   uint8_t	tcpm_flags;			/* Extension flags.  */
   uint8_t	tcpm_prefixlen;			/* Address prefix.  */
   uint16_t	tcpm_keylen;			/* Key length.  */
-  uint32_t	__tcpm_pad;			/* Zero.  */
+  int		tcpm_ifindex;			/* Device index for scope.  */
   uint8_t	tcpm_key[TCP_MD5SIG_MAXKEYLEN];	/* Key (binary).  */
 };