netdev - Re: TCP connection stops after high load.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <46206737.8000307@cosmosbay.com>
Date:	Sat, 14 Apr 2007 07:31:35 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	danielschaffrath@....com, greearb@...delatech.com,
	andi@...stfloor.org, netdev@...r.kernel.org, bcrl@...ck.org
Subject: Re: TCP connection stops after high load.

Herbert Xu a écrit :
> Eric Dumazet <dada1@...mosbay.com> wrote:
>> dev_queue_xmit_nit() is called before attempting to send packet to device.
>>
>> If device could not accept the packet (hard_start_xmit() returns an error), packet is requeued and retried later.
>> each retry means call ev_queue_xmit_nit() again, so tcpdump/sniffers can 'see' packet transmited several times. 
> 
> This should only happen with LLTX drivers.  In fact, LLTX drivers are
> really more trouble than they're worth.  They should all be rewritten
> to follow the model used in tg3.

When did tg3 model changed exactly ?

Because I remember having this 'problem' with tg3 devices not a long time ago...

-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html