[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>

2 files changed, 2 insertions, 1 deletions

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 8a9fe9434e94..65ec86678a08 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -377,6 +377,7 @@ extern int			ip6_append_data(struct sock *sk,
                                                 int length,
                                                 int transhdrlen,
                                                 int hlimit,
+                                                int tclass,
                                                 struct ipv6_txoptions *opt,
                                                 struct flowi *fl,
                                                 struct rt6_info *rt,
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index 8b075ab7a26c..4e86f2de6638 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -37,7 +37,7 @@ extern int			datagram_recv_ctl(struct sock *sk,
 extern int                      datagram_send_ctl(struct msghdr *msg,
                                                   struct flowi *fl,
                                                   struct ipv6_txoptions *opt,
-                                                  int *hlimit);
+                                                  int *hlimit, int *tclass);
 
 #define         LOOPBACK4_IPV6          __constant_htonl(0x7f000006)