ipv4: ipmr: move unres_queue and timer to per-namespace data

The unres_queue is currently shared between all namespaces. Following patches
will additionally allow to create multiple multicast routing tables in each
namespace. Having a single shared queue for all these users seems to excessive,
move the queue and the cleanup timer to the per-namespace data to unshare it.

As a side-effect, this fixes a bug in the seq file iteration functions: the
first entry returned is always from the current namespace, entries returned
after that may belong to any namespace.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 2764994c9136..b15e518f952a 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -60,6 +60,8 @@ struct netns_ipv4 {
 
 #ifdef CONFIG_IP_MROUTE
         struct sock             *mroute_sk;
+        struct timer_list       ipmr_expire_timer;
+        struct mfc_cache        *mfc_unres_queue;
         struct mfc_cache        **mfc_cache_array;
         struct vif_device       *vif_table;
         int                     maxvif;