netdev - Re: [TSO]-Refer to "State of TCP segmentation offload to NIC in linux"

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Message-Id: <1243170957.16597.62.camel@deadeye>
Date:	Sun, 24 May 2009 14:15:57 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	"Nguyen Tuan Huy (G11)" <huynt1@...ft.com.vn>
Cc:	netdev@...r.kernel.org
Subject: Re: [TSO]-Refer to "State of TCP segmentation offload to NIC in
 linux"

On Sun, 2009-05-24 at 18:38 +0700, Nguyen Tuan Huy (G11) wrote:
> Dear Mr Ben Hutchings, 
> 
>  
> 
> I have read your answer about question "State of TCP segmentation
> offload to NIC in linux". 
> 
> The link is
> http://kerneltrap.org/mailarchive/linux-netdev/2008/5/7/1757954/thread

Please direct your queries to the netdev list, not to me personally.

> I am now writing network device driver that support TSO function. But
> when I send one packet with 64K, then TCP has divided 64K, not passed
> the whole 64K to NIC driver.
[...]

I think you won't see 64K packets for a TCP connection that was just
opened, due to the slow start algorithm.

Ben.

-- 
Ben Hutchings
Teamwork is essential - it allows you to blame someone else.

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