From: Daniel Borkmann <daniel@iogearbox•net>
To: Jamal Hadi Salim <jhs@mojatatu•com>,
Alexei Starovoitov <alexei.starovoitov@gmail•com>
Cc: davem@davemloft•net, netdev@vger•kernel.org,
xiyou.wangcong@gmail•com, nikolay@cumulusnetworks•com
Subject: Re: [PATCH net-next 1/1] net_sched: Introduce skbmod action
Date: Tue, 19 Jul 2016 17:03:40 +0200 [thread overview]
Message-ID: <578E414C.1080501@iogearbox.net> (raw)
In-Reply-To: <578E3172.9020601@mojatatu.com>
On 07/19/2016 03:56 PM, Jamal Hadi Salim wrote:
[...]
>> But apart from this,
>> neither pedit nor tcf_skbmod_run() here handle checksum complete, so you'll
>> potentially get false positives wrt csum corruption and drops as a result
>> when using either of the two.
>
> pedit maybe tricky. Any suggestions?
> On tcf_skbmod_run, mostly ignorance: while doing only ethernet updates;
> is it still needed to do the checksum complete?
Well, what Cong recently fixed with mirred was related to mac header ...
You probably need skb_postpull_rcsum(), skb_postpush_rcsum() pair.
Also, what about skb_try_make_writable()?
next prev parent reply other threads:[~2016-07-19 15:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-17 8:41 [PATCH net-next 1/1] net_sched: Introduce skbmod action Jamal Hadi Salim
2016-07-18 4:19 ` Alexei Starovoitov
2016-07-18 6:51 ` Jamal Hadi Salim
2016-07-18 9:44 ` Daniel Borkmann
2016-07-18 10:07 ` Thomas Graf
2016-07-18 10:26 ` Jamal Hadi Salim
2016-07-18 17:38 ` Cong Wang
2016-07-19 10:28 ` Jamal Hadi Salim
2016-07-18 10:08 ` Jamal Hadi Salim
2016-07-19 13:21 ` Daniel Borkmann
2016-07-19 13:56 ` Jamal Hadi Salim
2016-07-19 15:03 ` Daniel Borkmann [this message]
2016-07-19 18:04 ` Cong Wang
2016-07-20 0:23 ` Daniel Borkmann
2016-07-21 7:27 ` WAS ( " Jamal Hadi Salim
2016-07-21 14:42 ` Daniel Borkmann
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