From: Kurt Kanzenbach <kurt@linutronix.de>
To: Tan Tee Min <tee.min.tan@linux.intel.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>,
Xiaoliang Yang <xiaoliang.yang_1@nxp.com>,
Wong Vee Khee <vee.khee.wong@linux.intel.com>,
Tan Tee Min <tee.min.tan@linux.intel.com>,
Ling Pei Lee <pei.lee.ling@intel.com>,
Bhupesh Sharma <bhupesh.sharma@linaro.org>
Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org,
Voon Wei Feng <weifeng.voon@intel.com>,
Song Yoong Siang <yoong.siang.song@intel.com>,
Ong@vger.kernel.org, Boon Leong <boon.leong.ong@intel.com>,
Tan Tee Min <tee.min.tan@intel.com>
Subject: Re: [PATCH net 1/1] net: stmmac: disable Split Header (SPH) for Intel platforms
Date: Tue, 26 Apr 2022 15:58:56 +0200 [thread overview]
Message-ID: <8735i0ndy7.fsf@kurt> (raw)
In-Reply-To: <20220426074531.4115683-1-tee.min.tan@linux.intel.com>
[-- Attachment #1: Type: text/plain, Size: 622 bytes --]
Hi,
On Tue Apr 26 2022, Tan Tee Min wrote:
> Based on DesignWare Ethernet QoS datasheet, we are seeing the limitation
> of Split Header (SPH) feature is not supported for Ipv4 fragmented packet.
> This SPH limitation will cause ping failure when the packets size exceed
> the MTU size. For example, the issue happens once the basic ping packet
> size is larger than the configured MTU size and the data is lost inside
> the fragmented packet, replaced by zeros/corrupted values, and leads to
> ping fail.
>
> So, disable the Split Header for Intel platforms.
Does this issue only apply on Intel platforms?
Thanks,
Kurt
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 861 bytes --]
next prev parent reply other threads:[~2022-04-26 13:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 7:45 [PATCH net 1/1] net: stmmac: disable Split Header (SPH) for Intel platforms Tan Tee Min
2022-04-26 13:58 ` Kurt Kanzenbach [this message]
2022-04-28 1:55 ` Tan Tee Min
2022-04-28 7:05 ` Paolo Abeni
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8735i0ndy7.fsf@kurt \
--to=kurt@linutronix.de \
--cc=Ong@vger.kernel.org \
--cc=alexandre.torgue@foss.st.com \
--cc=bhupesh.sharma@linaro.org \
--cc=boon.leong.ong@intel.com \
--cc=davem@davemloft.net \
--cc=joabreu@synopsys.com \
--cc=kuba@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-stm32@st-md-mailman.stormreply.com \
--cc=mcoquelin.stm32@gmail.com \
--cc=michael.wei.hong.sit@intel.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=pei.lee.ling@intel.com \
--cc=peppe.cavallaro@st.com \
--cc=stable@vger.kernel.org \
--cc=tee.min.tan@intel.com \
--cc=tee.min.tan@linux.intel.com \
--cc=vee.khee.wong@linux.intel.com \
--cc=weifeng.voon@intel.com \
--cc=xiaoliang.yang_1@nxp.com \
--cc=yoong.siang.song@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).