netdev - Re: [PATCH net-next 1/3] tcp: move logic out of tcp_v[64]_gso_send

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Date:	Sat, 20 Sep 2014 18:04:21 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/3] tcp: move logic out of
 tcp_v[64]_gso_send_check

On Sat, 2014-09-20 at 14:52 -0700, Tom Herbert wrote:
> In tcp_v[46]_gso_send_check the TCP checksum is initialized to the
> pseudo header checksum using __tcp_v[46]_send_check. We can move this
> logic into new tcp[46]_gso_segment functions to be done when
> ip_summed != CHECKSUM_PARTIAL (ip_summed == CHECKSUM_PARTIAL should be
> the common case, possibly always true when taking GSO path). After this
> change tcp_v[46]_gso_send_check is no-op.
> 
> Signed-off-by: Tom Herbert <therbert@...gle.com>
> ---
>  net/ipv4/tcp_offload.c   | 39 +++++++++++++++++++++++----------------
>  net/ipv6/tcpv6_offload.c | 37 ++++++++++++++++++++++++-------------
>  2 files changed, 47 insertions(+), 29 deletions(-)

Acked-by: Eric Dumazet <edumazet@...gle.com>


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