From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Ritaro Takenaka <ritarot634@gmail.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH v3] netfilter: nf_flowtable: move dst_check to packet path
Date: Wed, 18 May 2022 15:56:21 +0200 [thread overview]
Message-ID: <YoT7BaLzml2Y8L+L@salvia> (raw)
In-Reply-To: <20220517100041.966527-1-ritarot634@gmail.com>
On Tue, May 17, 2022 at 07:00:43PM +0900, Ritaro Takenaka wrote:
> Fixes sporadic IPv6 packet loss when flow offloading is enabled.
>
> IPv6 route GC and flowtable GC are not synchronized.
> When dst_cache becomes stale and a packet passes through the flow before
> the flowtable GC teardowns it, the packet can be dropped.
> So, it is necessary to check dst every time in packet path.
Applied to nf.git, thanks
prev parent reply other threads:[~2022-05-18 13:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-17 10:00 [PATCH v3] netfilter: nf_flowtable: move dst_check to packet path Ritaro Takenaka
2022-05-18 13:56 ` Pablo Neira Ayuso [this message]
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