IPv6: move the anycast_src_echo_reply sysctl to netns_sysctl_ipv6

This change move anycast_src_echo_reply sysctl with other ipv6 sysctls.

Suggested-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/netns/ipv6.h

@@ -28,6 +28,7 @@ struct netns_sysctl_ipv6 {
 	int ip6_rt_mtu_expires;
 	int ip6_rt_min_advmss;
 	int icmpv6_time;
+	int anycast_src_echo_reply;
 };
 
 struct netns_ipv6 {
@@ -73,7 +74,6 @@ struct netns_ipv6 {
 #endif
 	atomic_t		dev_addr_genid;
 	atomic_t		rt_genid;
-	int			anycast_src_echo_reply;
 };
 
 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)

net/ipv6/icmp.c

@@ -559,7 +559,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
 	saddr = &ipv6_hdr(skb)->daddr;
 
 	if (!ipv6_unicast_destination(skb) &&
-	    !(net->ipv6.anycast_src_echo_reply &&
+	    !(net->ipv6.sysctl.anycast_src_echo_reply &&
 	      ipv6_anycast_destination(skb)))
 		saddr = NULL;
 

net/ipv6/sysctl_net_ipv6.c

@@ -26,7 +26,7 @@ static struct ctl_table ipv6_table_template[] = {
 	},
 	{
 		.procname	= "anycast_src_echo_reply",
-		.data		= &init_net.ipv6.anycast_src_echo_reply,
+		.data		= &init_net.ipv6.sysctl.anycast_src_echo_reply,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec
@@ -58,7 +58,7 @@ static int __net_init ipv6_sysctl_net_init(struct net *net)
 	if (!ipv6_table)
 		goto out;
 	ipv6_table[0].data = &net->ipv6.sysctl.bindv6only;
-	ipv6_table[1].data = &net->ipv6.anycast_src_echo_reply;
+	ipv6_table[1].data = &net->ipv6.sysctl.anycast_src_echo_reply;
 
 	ipv6_route_table = ipv6_route_sysctl_init(net);
 	if (!ipv6_route_table)