[IPV6] ROUTE: Routing by FWMARK.

Based on patch by Jean Lorchat <lorchat@sfc.wide.ad.jp>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 21e0cc8..a2d211d 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -173,3 +173,10 @@
 	---help---
 	  Support multiple routing tables.
 
+config IPV6_ROUTE_FWMARK
+	bool "IPv6: use netfilter MARK value as routing key"
+	depends on IPV6_MULTIPLE_TABLES && NETFILTER
+	---help---
+	  If you say Y here, you will be able to specify different routes for
+	  packets with different mark values (see iptables(8), MARK target).
+