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Diffstat (limited to 'net/ipv6/route.c')
-rw-r--r--net/ipv6/route.c57
1 files changed, 32 insertions, 25 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index dc61b0b5e64e..ca754ec4054a 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -938,14 +938,15 @@ EXPORT_SYMBOL(rt6_lookup);
*/
static int __ip6_ins_rt(struct rt6_info *rt, struct nl_info *info,
- struct mx6_config *mxc)
+ struct mx6_config *mxc,
+ struct netlink_ext_ack *extack)
{
int err;
struct fib6_table *table;
table = rt->rt6i_table;
write_lock_bh(&table->tb6_lock);
- err = fib6_add(&table->tb6_root, rt, info, mxc);
+ err = fib6_add(&table->tb6_root, rt, info, mxc, extack);
write_unlock_bh(&table->tb6_lock);
return err;
@@ -956,7 +957,7 @@ int ip6_ins_rt(struct rt6_info *rt)
struct nl_info info = { .nl_net = dev_net(rt->dst.dev), };
struct mx6_config mxc = { .mx = NULL, };
- return __ip6_ins_rt(rt, &info, &mxc);
+ return __ip6_ins_rt(rt, &info, &mxc, NULL);
}
static struct rt6_info *ip6_rt_cache_alloc(struct rt6_info *ort,
@@ -1844,7 +1845,8 @@ static struct rt6_info *ip6_nh_lookup_table(struct net *net,
return rt;
}
-static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg)
+static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct net *net = cfg->fc_nlinfo.nl_net;
struct rt6_info *rt = NULL;
@@ -2111,13 +2113,14 @@ out:
return ERR_PTR(err);
}
-int ip6_route_add(struct fib6_config *cfg)
+int ip6_route_add(struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct mx6_config mxc = { .mx = NULL, };
struct rt6_info *rt;
int err;
- rt = ip6_route_info_create(cfg);
+ rt = ip6_route_info_create(cfg, extack);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
rt = NULL;
@@ -2128,7 +2131,7 @@ int ip6_route_add(struct fib6_config *cfg)
if (err)
goto out;
- err = __ip6_ins_rt(rt, &cfg->fc_nlinfo, &mxc);
+ err = __ip6_ins_rt(rt, &cfg->fc_nlinfo, &mxc, extack);
kfree(mxc.mx);
@@ -2222,7 +2225,8 @@ out_put:
return err;
}
-static int ip6_route_del(struct fib6_config *cfg)
+static int ip6_route_del(struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct fib6_table *table;
struct fib6_node *fn;
@@ -2483,7 +2487,7 @@ static struct rt6_info *rt6_add_route_info(struct net *net,
if (!prefixlen)
cfg.fc_flags |= RTF_DEFAULT;
- ip6_route_add(&cfg);
+ ip6_route_add(&cfg, NULL);
return rt6_get_route_info(net, prefix, prefixlen, gwaddr, dev);
}
@@ -2529,7 +2533,7 @@ struct rt6_info *rt6_add_dflt_router(const struct in6_addr *gwaddr,
cfg.fc_gateway = *gwaddr;
- if (!ip6_route_add(&cfg)) {
+ if (!ip6_route_add(&cfg, NULL)) {
struct fib6_table *table;
table = fib6_get_table(dev_net(dev), cfg.fc_table);
@@ -2622,10 +2626,10 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
rtnl_lock();
switch (cmd) {
case SIOCADDRT:
- err = ip6_route_add(&cfg);
+ err = ip6_route_add(&cfg, NULL);
break;
case SIOCDELRT:
- err = ip6_route_del(&cfg);
+ err = ip6_route_del(&cfg, NULL);
break;
default:
err = -EINVAL;
@@ -2903,7 +2907,8 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = {
};
static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
- struct fib6_config *cfg)
+ struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct rtmsg *rtm;
struct nlattr *tb[RTA_MAX+1];
@@ -3097,7 +3102,8 @@ static void ip6_route_mpath_notify(struct rt6_info *rt,
inet6_rt_notify(RTM_NEWROUTE, rt, info, nlflags);
}
-static int ip6_route_multipath_add(struct fib6_config *cfg)
+static int ip6_route_multipath_add(struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct rt6_info *rt_notif = NULL, *rt_last = NULL;
struct nl_info *info = &cfg->fc_nlinfo;
@@ -3145,7 +3151,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg)
r_cfg.fc_encap_type = nla_get_u16(nla);
}
- rt = ip6_route_info_create(&r_cfg);
+ rt = ip6_route_info_create(&r_cfg, extack);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
rt = NULL;
@@ -3170,7 +3176,7 @@ static int ip6_route_multipath_add(struct fib6_config *cfg)
err_nh = NULL;
list_for_each_entry(nh, &rt6_nh_list, next) {
rt_last = nh->rt6_info;
- err = __ip6_ins_rt(nh->rt6_info, info, &nh->mxc);
+ err = __ip6_ins_rt(nh->rt6_info, info, &nh->mxc, extack);
/* save reference to first route for notification */
if (!rt_notif && !err)
rt_notif = nh->rt6_info;
@@ -3212,7 +3218,7 @@ add_errout:
list_for_each_entry(nh, &rt6_nh_list, next) {
if (err_nh == nh)
break;
- ip6_route_del(&nh->r_cfg);
+ ip6_route_del(&nh->r_cfg, extack);
}
cleanup:
@@ -3227,7 +3233,8 @@ cleanup:
return err;
}
-static int ip6_route_multipath_del(struct fib6_config *cfg)
+static int ip6_route_multipath_del(struct fib6_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct fib6_config r_cfg;
struct rtnexthop *rtnh;
@@ -3254,7 +3261,7 @@ static int ip6_route_multipath_del(struct fib6_config *cfg)
r_cfg.fc_flags |= RTF_GATEWAY;
}
}
- err = ip6_route_del(&r_cfg);
+ err = ip6_route_del(&r_cfg, extack);
if (err)
last_err = err;
@@ -3270,15 +3277,15 @@ static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh,
struct fib6_config cfg;
int err;
- err = rtm_to_fib6_config(skb, nlh, &cfg);
+ err = rtm_to_fib6_config(skb, nlh, &cfg, extack);
if (err < 0)
return err;
if (cfg.fc_mp)
- return ip6_route_multipath_del(&cfg);
+ return ip6_route_multipath_del(&cfg, extack);
else {
cfg.fc_delete_all_nh = 1;
- return ip6_route_del(&cfg);
+ return ip6_route_del(&cfg, extack);
}
}
@@ -3288,14 +3295,14 @@ static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh,
struct fib6_config cfg;
int err;
- err = rtm_to_fib6_config(skb, nlh, &cfg);
+ err = rtm_to_fib6_config(skb, nlh, &cfg, extack);
if (err < 0)
return err;
if (cfg.fc_mp)
- return ip6_route_multipath_add(&cfg);
+ return ip6_route_multipath_add(&cfg, extack);
else
- return ip6_route_add(&cfg);
+ return ip6_route_add(&cfg, extack);
}
static size_t rt6_nlmsg_size(struct rt6_info *rt)