path: root/net/bridge/br_private.h
diff options
authorLinus Lüssing <linus.luessing@web.de>2013-10-20 00:58:57 +0200
committerDavid S. Miller <davem@davemloft.net>2013-10-22 14:41:02 -0400
commit454594f3b93a49ef568cd190c5af31376b105a7b (patch)
tree5a3109ffdd29aed110e7cd5e4295dfe0246595fd /net/bridge/br_private.h
parenttcp: initialize passive-side sk_pacing_rate after 3WHS (diff)
Revert "bridge: only expire the mdb entry when query is received"
While this commit was a good attempt to fix issues occuring when no multicast querier is present, this commit still has two more issues: 1) There are cases where mdb entries do not expire even if there is a querier present. The bridge will unnecessarily continue flooding multicast packets on the according ports. 2) Never removing an mdb entry could be exploited for a Denial of Service by an attacker on the local link, slowly, but steadily eating up all memory. Actually, this commit became obsolete with "bridge: disable snooping if there is no querier" (b00589af3b) which included fixes for a few more cases. Therefore reverting the following commits (the commit stated in the commit message plus three of its follow up fixes): ==================== Revert "bridge: update mdb expiration timer upon reports." This reverts commit f144febd93d5ee534fdf23505ab091b2b9088edc. Revert "bridge: do not call setup_timer() multiple times" This reverts commit 1faabf2aab1fdaa1ace4e8c829d1b9cf7bfec2f1. Revert "bridge: fix some kernel warning in multicast timer" This reverts commit c7e8e8a8f7a70b343ca1e0f90a31e35ab2d16de1. Revert "bridge: only expire the mdb entry when query is received" This reverts commit 9f00b2e7cf241fa389733d41b615efdaa2cb0f5b. ==================== CC: Cong Wang <amwang@redhat.com> Signed-off-by: Linus Lüssing <linus.luessing@web.de> Reviewed-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
1 files changed, 0 insertions, 1 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 7ca2ae45b2d5..e14c33b42f75 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -126,7 +126,6 @@ struct net_bridge_mdb_entry
struct timer_list timer;
struct br_ip addr;
bool mglist;
- bool timer_armed;
struct net_bridge_mdb_htable