linux-kernel - Re: [PATCH net-next 2/2] netdevsim: copy addresses for both in and out paths

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Message-ID: <20241009122134.GP99782@kernel.org>
Date: Wed, 9 Oct 2024 13:21:34 +0100
From: Simon Horman <horms@...nel.org>
To: Hangbin Liu <liuhangbin@...il.com>
Cc: netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	Shannon Nelson <shannon.nelson@....com>,
	Jiri Pirko <jiri@...nulli.us>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] netdevsim: copy addresses for both in and
 out paths

On Tue, Oct 08, 2024 at 12:21:34PM +0000, Hangbin Liu wrote:
> The current code only copies the address for the in path, leaving the out
> path address set to 0. This patch corrects the issue by copying the addresses
> for both the in and out paths. Before this patch:
> 
>   # cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec
>   SA count=2 tx=20
>   sa[0] tx ipaddr=0.0.0.0
>   sa[0]    spi=0x00000100 proto=0x32 salt=0x0adecc3a crypt=1
>   sa[0]    key=0x3167608a ca4f1397 43565909 941fa627
>   sa[1] rx ipaddr=192.168.0.1
>   sa[1]    spi=0x00000101 proto=0x32 salt=0x0adecc3a crypt=1
>   sa[1]    key=0x3167608a ca4f1397 43565909 941fa627
> 
> After this patch:
> 
>   = cat /sys/kernel/debug/netdevsim/netdevsim0/ports/0/ipsec
>   SA count=2 tx=20
>   sa[0] tx ipaddr=192.168.0.2
>   sa[0]    spi=0x00000100 proto=0x32 salt=0x0adecc3a crypt=1
>   sa[0]    key=0x3167608a ca4f1397 43565909 941fa627
>   sa[1] rx ipaddr=192.168.0.1
>   sa[1]    spi=0x00000101 proto=0x32 salt=0x0adecc3a crypt=1
>   sa[1]    key=0x3167608a ca4f1397 43565909 941fa627
> 
> Fixes: 7699353da875 ("netdevsim: add ipsec offload testing")
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>

Reviewed-by: Simon Horman <horms@...nel.org>