netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Daniel Borkmann <daniel@iogearbox.net>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
	Jamal Hadi Salim <jhs@mojatatu.com>,
	Tom Herbert <tom@herbertland.com>
Subject: Re: [Patch net] net_sched: fix mirrored packets checksum
Date: Fri, 01 Jul 2016 11:13:55 +0200	[thread overview]
Message-ID: <57763453.1050008@iogearbox.net> (raw)
In-Reply-To: <CAM_iQpXd7-rx_XzoZ=8gVekLD0YRLkmr0kgud3WoXnjEvCOLZw@mail.gmail.com>

On 07/01/2016 01:41 AM, Cong Wang wrote:
> On Thu, Jun 30, 2016 at 4:26 PM, Cong Wang <xiyou.wangcong@gmail.com> wrote:
>> On Thu, Jun 30, 2016 at 4:11 PM, Daniel Borkmann <daniel@iogearbox.net> wrote:
>>> On 07/01/2016 12:42 AM, Cong Wang wrote:
>>>> On Thu, Jun 30, 2016 at 12:50 PM, Daniel Borkmann <daniel@iogearbox.net>
>>>> wrote:
>>>>>
>>>>> Maybe makes sense to move skb_push_rcsum() but /also/ skb_pull_rcsum()
>>>>> to the header then? Both seem similarly small at least (could be split
>>>>> f.e into two patches then, first for the move, second for the actual
>>>>> fix).
>>>>
>>>> No objection from me. Please feel free to send a patch. ;)
>>>
>>> Shrug, I actually meant this as feedback to your patch, since you move that
>>> helper and not as a note to myself. ;)
>>
>> Interesting, my patch only moves what it needs, why does it need
>> to do more?
>
> In case you miss the context:
> http://marc.info/?l=linux-netdev&m=146730654005424&w=2

I didn't miss it. Btw, recently had a similar issue (f8ffad69c9f8b8dfb0b).

> This patch should be backported to stable too, which is another
> reason why we should keep it as small as possible.

Fair enough.

> Here, at Twitter, we already backported it to 4.1 kernel for testing.
>
> (The reason why I don't have a Fixes: tag is that I don't identify an
> offending commit to blame yet.)

  reply	other threads:[~2016-07-01  9:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-30 17:15 [Patch net] net_sched: fix mirrored packets checksum Cong Wang
2016-06-30 19:50 ` Daniel Borkmann
2016-06-30 22:42   ` Cong Wang
2016-06-30 23:11     ` Daniel Borkmann
2016-06-30 23:26       ` Cong Wang
2016-06-30 23:41         ` Cong Wang
2016-07-01  9:13           ` Daniel Borkmann [this message]
2016-07-01 12:39 ` Jamal Hadi Salim
2016-07-01 20:20 ` David Miller

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=57763453.1050008@iogearbox.net \
    --to=daniel@iogearbox.net \
    --cc=jhs@mojatatu.com \
    --cc=netdev@vger.kernel.org \
    --cc=tom@herbertland.com \
    --cc=xiyou.wangcong@gmail.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).