[IPV6]: Support IPV6_{RECV,}TCLASS socket options / ancillary data.

Based on patch from David L Stevens <dlstevens@us.ibm.com>

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index c11022f2f2ac..bd32b79d6295 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -219,9 +219,7 @@ struct in6_flowlabel_req
 #define IPV6_DSTOPTS            63
 #define IPV6_RECVHOPLIMIT       64
 #define IPV6_HOPLIMIT           65
-#if 0
 #define IPV6_RECVTCLASS         66
 #define IPV6_TCLASS             67
-#endif
 
 #endif