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(parent: 0a1f711) | 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 17:29:34 +0000 (10:29 -0700)
commit4658b24b2dd0e4c6215db2203743fa999765e8a0
tree9a88804f646780a2424a5ac87586151e923b1b64tree | snapshot
parent0a1f711681e0d7068b69c0697c4ba284fbf1b2bfcommit | 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 / Kernel;