[FIB]: Add netns to fib_rules_ops.

The backward link from FIB rules operations to the network namespace
will allow to simplify the API a bit.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 5 insertions, 0 deletions

diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 4f472507129e..6910e0195ca5 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -67,6 +67,7 @@ struct fib_rules_ops
         const struct nla_policy *policy;
         struct list_head        rules_list;
         struct module           *owner;
+        struct net              *fro_net;
 };
 
 #define FRA_GENERIC_POLICY \
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index c1fae23d2263..964e65887603 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -249,6 +249,7 @@ static struct fib_rules_ops dn_fib_rules_ops = {
         .policy         = dn_fib_rule_policy,
         .rules_list     = LIST_HEAD_INIT(dn_fib_rules_ops.rules_list),
         .owner          = THIS_MODULE,
+        .fro_net        = &init_net,
 };
 
 void __init dn_fib_rules_init(void)
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 72232ab4ecb1..8d0ebe7f360d 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -315,6 +315,8 @@ int __net_init fib4_rules_init(struct net *net)
         if (ops == NULL)
                 return -ENOMEM;
         INIT_LIST_HEAD(&ops->rules_list);
+        ops->fro_net = net;
+
         fib_rules_register(net, ops);
 
         err = fib_default_rules_init(ops);
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 76437a1fcab0..ead5ab2da9a2 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -249,6 +249,7 @@ static struct fib_rules_ops fib6_rules_ops = {
         .policy                 = fib6_rule_policy,
         .rules_list             = LIST_HEAD_INIT(fib6_rules_ops.rules_list),
         .owner                  = THIS_MODULE,
+        .fro_net                = &init_net,
 };
 
 static int __init fib6_default_rules_init(void)