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(parent: 867079c) | patch
tcp: Apply device TSO segment limit earlier
authorBen Hutchings <bhutchings@solarflare.com>
Mon, 30 Jul 2012 16:11:42 +0000 (16:11 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 2 Oct 2012 17:38:39 +0000 (10:38 -0700)
commitb541db6330465eae0032d46d7d67ca7e0e1047e2
treed4783cc54bd03257c3713dc271e2744bc4d3ca21tree | snapshot
parent867079ce16beefdd834b6f0182def0277f52a2a7commit | diff
tcp: Apply device TSO segment limit earlier

[ Upstream commit 1485348d2424e1131ea42efc033cbd9366462b01 ]

Cache the device gso_max_segs in sock::sk_gso_max_segs and use it to
limit the size of TSO skbs.  This avoids the need to fall back to
software GSO for local TCP senders.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/net/sock.h diff | blob | history
net/core/sock.c diff | blob | history
net/ipv4/tcp.c diff | blob | history
net/ipv4/tcp_cong.c diff | blob | history
net/ipv4/tcp_output.c diff | blob | history
Linux kernel for KaRo TX COM modules