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(parent: bbc5b27) | patch
tcp: Apply device TSO segment limit earlier
authorBen Hutchings <bhutchings@solarflare.com>
Mon, 30 Jul 2012 16:11:42 +0000 (16:11 +0000)
committerMarkus Lehtonen <markus.lehtonen@linux.intel.com>
Fri, 5 Apr 2013 06:13:00 +0000 (09:13 +0300)
commitd375395fe63775b3750d435ca6be46a2f4ad4cb3
treeab721fddf3a1abf535d0f60bb921bffd7cbd1598tree | snapshot
parentbbc5b279baf44c891e1ddbfad41aa94d2a715e53commit | 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
Domain: System / Uncategorized;