netdev - Re: [PATCH net-next v4 5/6] net-timestamp: TCP timestamping

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Message-ID: <CA+FuTSf96KH=JkO4Va4pfbvYHngHjxtTc33ipbif_xC9kdgaLQ@mail.gmail.com>
Date:	Wed, 6 Aug 2014 10:23:25 -0400
From:	Willem de Bruijn <willemb@...gle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Network Development <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	Richard Cochran <richardcochran@...il.com>
Subject: Re: [PATCH net-next v4 5/6] net-timestamp: TCP timestamping

> I believe you missed fact that a GSO packet can be split into 2 or many
> skbs, when tcp_write_xmit() has to send a lower amount.
>
> This is done in tso_fragment()

Thanks, I missed that case. I'll look into it.

> Also, I am a bit worried about retransmits ?

For the same reason, i.e., possibly calling tcp_fragment?
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