From: Wei Yongjun <yjwei@cn.fujitsu.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] Fix bug of update IPv4 PMTU when received ICMP Fragmentation Needed message
Date: Mon, 04 Jun 2007 13:38:41 +0800 [thread overview]
Message-ID: <4663A561.7070300@cn.fujitsu.com> (raw)
In-Reply-To: <20070604045506.GA28580@gondor.apana.org.au>
I know, I misunderstand the iph->tot_len, the ICMP payload is not
contained a valid ipv4 packet.
I do this under IPv6, it has no problem because IPv6 does not check
this. ^_^
Thank you very much.
> But this is not the old_mtu field that we were talking about. The
> old_mtu field comes from iph->tot_len which is the length of field
> in the *original* IP header. We're certainly not allowed touch that
> field.
>
> Cheers,
>
--
A new email address of FJWAN is launched from Apr.1 2007.
The updated address is: yjwei@cn.fujitsu.com
--------------------------------------------------
Wei Yongjun
Development Dept.I
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
8/F., Civil Defense Building, No.189 Guangzhou Road,
Nanjing, 210029, China
TEL: +86+25-86630523-858
COINS: 79955-858
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MAIL: yjwei@cn.fujitsu.com
--------------------------------------------------
next prev parent reply other threads:[~2007-06-04 5:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-01 3:51 [PATCH] Fix bug of update IPv4 PMTU when received ICMP Fragmentation Needed message Wei Yongjun
2007-06-02 10:49 ` Herbert Xu
2007-06-04 0:39 ` Wei Yongjun
2007-06-04 2:55 ` Herbert Xu
2007-06-04 4:03 ` Wei Yongjun
2007-06-04 4:14 ` Herbert Xu
2007-06-04 4:32 ` Wei Yongjun
2007-06-04 4:55 ` Herbert Xu
2007-06-04 5:38 ` Wei Yongjun [this message]
2012-03-21 11:40 ` Ranjeeth
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