netdev - Re: [PATCH net-next] Add a tcp_filter hook before handle ack packet

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Date:   Thu, 22 Jun 2017 11:13:52 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     chenbofeng.kernel@...il.com
Cc:     netdev@...r.kernel.org, lorenzo@...gle.com, fengc@...gle.com
Subject: Re: [PATCH net-next] Add a tcp_filter hook before handle ack packet

From: Chenbo Feng <chenbofeng.kernel@...il.com>
Date: Tue, 20 Jun 2017 19:06:40 -0700

> From: Chenbo Feng <fengc@...gle.com>
> 
> Currently in both ipv4 and ipv6 code path, the ack packet received when
> sk at TCP_NEW_SYN_RECV state is not filtered by socket filter or cgroup
> filter since it is handled from tcp_child_process and never reaches the
> tcp_filter inside tcp_v4_rcv or tcp_v6_rcv. Adding a tcp_filter hooks
> here can make sure all the ingress tcp packet can be correctly filtered.
> 
> Signed-off-by: Chenbo Feng <fengc@...gle.com>

Applied, thanks.