From: Tom Herbert <therbert@google.com>
Date: Sat, 20 Sep 2014 21:52:28 +0000 (-0700)
Subject: tcp: move logic out of tcp_v[64]_gso_send_check
X-Git-Tag: fixes-against-v3.18-rc2~81^2~3^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d020f8f73318589bf41f864b7f89f95669350873;p=pandora-kernel.git

tcp: move logic out of tcp_v[64]_gso_send_check

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@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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