[NETNS][IPV6] route6 - Pass network namespace to rt6_add_route_info and rt6_get_route_info
Add a network namespace parameter to rt6_add_route_info() and
rt6_get_route_info to enable them to handle multiple network
namespaces.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ebd9033..4278cec 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -88,10 +88,12 @@
static void ip6_rt_update_pmtu(struct dst_entry *dst, u32 mtu);
#ifdef CONFIG_IPV6_ROUTE_INFO
-static struct rt6_info *rt6_add_route_info(struct in6_addr *prefix, int prefixlen,
+static struct rt6_info *rt6_add_route_info(struct net *net,
+ struct in6_addr *prefix, int prefixlen,
struct in6_addr *gwaddr, int ifindex,
unsigned pref);
-static struct rt6_info *rt6_get_route_info(struct in6_addr *prefix, int prefixlen,
+static struct rt6_info *rt6_get_route_info(struct net *net,
+ struct in6_addr *prefix, int prefixlen,
struct in6_addr *gwaddr, int ifindex);
#endif
@@ -442,6 +444,7 @@
int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
struct in6_addr *gwaddr)
{
+ struct net *net = dev->nd_net;
struct route_info *rinfo = (struct route_info *) opt;
struct in6_addr prefix_buf, *prefix;
unsigned int pref;
@@ -489,7 +492,8 @@
prefix = &prefix_buf;
}
- rt = rt6_get_route_info(prefix, rinfo->prefix_len, gwaddr, dev->ifindex);
+ rt = rt6_get_route_info(net, prefix, rinfo->prefix_len, gwaddr,
+ dev->ifindex);
if (rt && !lifetime) {
ip6_del_rt(rt);
@@ -497,7 +501,7 @@
}
if (!rt && lifetime)
- rt = rt6_add_route_info(prefix, rinfo->prefix_len, gwaddr, dev->ifindex,
+ rt = rt6_add_route_info(net, prefix, rinfo->prefix_len, gwaddr, dev->ifindex,
pref);
else if (rt)
rt->rt6i_flags = RTF_ROUTEINFO |
@@ -1588,14 +1592,15 @@
}
#ifdef CONFIG_IPV6_ROUTE_INFO
-static struct rt6_info *rt6_get_route_info(struct in6_addr *prefix, int prefixlen,
+static struct rt6_info *rt6_get_route_info(struct net *net,
+ struct in6_addr *prefix, int prefixlen,
struct in6_addr *gwaddr, int ifindex)
{
struct fib6_node *fn;
struct rt6_info *rt = NULL;
struct fib6_table *table;
- table = fib6_get_table(&init_net, RT6_TABLE_INFO);
+ table = fib6_get_table(net, RT6_TABLE_INFO);
if (table == NULL)
return NULL;
@@ -1619,7 +1624,8 @@
return rt;
}
-static struct rt6_info *rt6_add_route_info(struct in6_addr *prefix, int prefixlen,
+static struct rt6_info *rt6_add_route_info(struct net *net,
+ struct in6_addr *prefix, int prefixlen,
struct in6_addr *gwaddr, int ifindex,
unsigned pref)
{
@@ -1630,6 +1636,9 @@
.fc_dst_len = prefixlen,
.fc_flags = RTF_GATEWAY | RTF_ADDRCONF | RTF_ROUTEINFO |
RTF_UP | RTF_PREF(pref),
+ .fc_nlinfo.pid = 0,
+ .fc_nlinfo.nlh = NULL,
+ .fc_nlinfo.nl_net = net,
};
ipv6_addr_copy(&cfg.fc_dst, prefix);
@@ -1641,7 +1650,7 @@
ip6_route_add(&cfg);
- return rt6_get_route_info(prefix, prefixlen, gwaddr, ifindex);
+ return rt6_get_route_info(net, prefix, prefixlen, gwaddr, ifindex);
}
#endif
