From: Xin Xie <xiexinet@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, davem@davemloft.net,
edumazet@google.com, pabeni@redhat.com, horms@kernel.org,
andrew+netdev@lunn.ch, shuah@kernel.org, kees@kernel.org,
petr.wozniak@gmail.com, qingfang.deng@linux.dev,
fmaurer@redhat.com, luka.gejak@linux.dev, bigeasy@linutronix.de,
xiaoliang.yang_1@nxp.com, skhawaja@google.com,
liuhangbin@gmail.com, stable@vger.kernel.org,
sdf.kernel@gmail.com
Subject: Re: [PATCH 1/4] net: hsr: fix packet drops caused by GRO superpackets
Date: Mon, 17 Aug 2026 23:38:41 +0800 [thread overview]
Message-ID: <6933d09a-4dc1-43f8-a1c5-bc3db2f6ffb7@gmail.com> (raw)
In-Reply-To: <20260813182111.088aee3d@kernel.org>
On 14/08/2026 09:21, Jakub Kicinski wrote:
> 1) could you explain in more detail why GRO is breaking things?
> GRO shouldn't merge packets with different L2/L2.5 and packets
> with trailers?
>
> 2) the code seems inspired by LRO but LRO also has
> NETIF_F_UPPER_DISABLES. This change looks rather incomplete.
> Calling it "best effort" seems like an excuse.
>
> 3) Clashiko has a number of other comments:
> https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260809121455.1745-1-xiexinet@gmail.com
I am currently on annual leave until the middle of September. I will continue this topic when I return.
--
Xin
next prev parent reply other threads:[~2026-08-17 15:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-09 12:14 [PATCH net v6 0/4] net: hsr: fix GRO/GSO super-packet handling Xin Xie
2026-08-09 12:14 ` [PATCH 1/4] net: hsr: fix packet drops caused by GRO superpackets Xin Xie
2026-08-14 1:21 ` Jakub Kicinski
2026-08-17 15:38 ` Xin Xie [this message]
2026-08-09 12:14 ` [PATCH 2/4] net: hsr: shrink seqnr_lock to sequence counter updates Xin Xie
2026-08-10 2:23 ` Hangbin Liu
2026-08-09 12:14 ` [PATCH 3/4] net: hsr: unfold GSO super-packets at the forward entry Xin Xie
2026-08-09 12:14 ` [PATCH 4/4] selftests: net: hsr: cover GSO super-packets on PRP slave ingress Xin Xie
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