From: Cong Wang <amwang@redhat.com>
To: netdev@vger.kernel.org
Cc: Herbert Xu <herbert@gondor.hengli.com.au>,
Stephen Hemminger <stephen@networkplumber.org>,
"David S. Miller" <davem@davemloft.net>,
Adam Baker <linux@baker-net.org.uk>
Subject: Re: [Patch net-next 2/3] bridge: only expire the mdb entry when query is received
Date: Tue, 30 Apr 2013 11:17:37 +0800 [thread overview]
Message-ID: <1367291857.3216.2.camel@cr0> (raw)
In-Reply-To: <1367220392-17496-2-git-send-email-amwang@redhat.com>
On Mon, 2013-04-29 at 15:26 +0800, Cong Wang wrote:
> From: Cong Wang <amwang@redhat.com>
>
> Currently we arm the expire timer when the mdb entry is added,
> however, this causes problem when there is no querier sent
> out after that.
>
> So we should only arm the timer when a corresponding query is
> received, as suggested by Herbert.
One problem with this solution is that the temp mdb entry will no longer
be expired automatically any more, since no query no timer.
I am wondering if we should find other way to fix it, for example,
touching the timer as long as there is multicast traffic (non-IGMP).
Thanks!
next prev parent reply other threads:[~2013-04-30 3:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-29 7:26 [Patch net-next 1/3] bridge: use the bridge IP addr as source addr of querier Cong Wang
2013-04-29 7:26 ` [Patch net-next 2/3] bridge: only expire the mdb entry when query is received Cong Wang
2013-04-30 3:17 ` Cong Wang [this message]
2013-04-30 3:22 ` Herbert Xu
2013-04-30 3:32 ` Cong Wang
2013-04-29 7:26 ` [Patch net-next 3/3] bridge: send query as soon as leave " Cong Wang
2013-04-29 7:43 ` Herbert Xu
2013-04-29 8:15 ` Cong Wang
2013-04-29 7:43 ` [Patch net-next 1/3] bridge: use the bridge IP addr as source addr of querier Herbert Xu
2013-04-29 8:17 ` Cong Wang
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