commit d1e2faa40e17fe8f3db591021994d2f5e8b11335
author Stephen Hemminger <shemminger@vyatta.com> Wed Sep 28 14:23:35 2011 +0400
committer Denis Ovsienko <infrastation@yandex.ru> Mon Oct 17 18:13:28 2011 +0400
tree 4ca879fbf8ba3b7932c7b180f22d477dd9e3536a
parent 792b6fa2c40f820df07caa80fbc6ed9c4191ef9b

IPv6 transport class suppport

IPv6 supports the same concept of differentiated service for routing
protocols as IPv4, but like too many things, the standards committee
decided that having two names for the same thing wasn't good enough and
introduced a third more generic term transport class.

The socket option to set transport class works the same as IPv4, but the
arguments are different.

* lib/sockopt.[ch]
  * setsockopt_ipv6_tclass(): new function
* bgpd/bgp_network.c
  * bgp_connect(): set socket option
  * bgp_listener(): set socket option
* ospf6d/ospf6_network.c
  * ospf6_set_transport_class(): new function
  * ospf6_serv_sock(): set socket option
* ripngd/ripngd.c
  * ripng_make_socket(): set socket option

bgpd/bgp_network.c

diff --git a/bgpd/bgp_network.c b/bgpd/bgp_network.c
index 9e3427d..b5fa948 100644
--- a/bgpd/bgp_network.c
+++ b/bgpd/bgp_network.c
@@ -322,6 +322,10 @@
 #ifdef IPTOS_PREC_INTERNETCONTROL
   if (sockunion_family (&peer->su) == AF_INET)
     setsockopt_ipv4_tos (peer->fd, IPTOS_PREC_INTERNETCONTROL);
+# ifdef HAVE_IPV6
+  else if (sockunion_family (&peer->su) == AF_INET6)
+    setsockopt_ipv6_tclass (peer->fd, IPTOS_PREC_INTERNETCONTROL);
+# endif
 #endif
 
   if (peer->password)
@@ -381,6 +385,10 @@
 #ifdef IPTOS_PREC_INTERNETCONTROL
   if (sa->sa_family == AF_INET)
     setsockopt_ipv4_tos (sock, IPTOS_PREC_INTERNETCONTROL);
+#  ifdef HAVE_IPV6
+  else if (sa->sa_family == AF_INET6)
+    setsockopt_ipv6_tclass (sock, IPTOS_PREC_INTERNETCONTROL);
+#  endif
 #endif
 
 #ifdef IPV6_V6ONLY