[netdrvr] sfc: Add TSO support
authorBen Hutchings <bhutchings@solarflare.com>
Wed, 7 May 2008 11:51:12 +0000 (12:51 +0100)
committerJeff Garzik <jgarzik@redhat.com>
Tue, 13 May 2008 05:31:40 +0000 (01:31 -0400)
commitb9b39b625cf57cd0ea998717598b68963cbec3cb
tree19f358d15b6c75d660cf1ea369559f58ad9f0c1e
parent48cfb14f8b89d4d5b3df6c16f08b258686fb12ad
[netdrvr] sfc: Add TSO support

The SFC4000 controller does not have hardware support for TSO, and the
core GSO code incurs a high cost in allocating and freeing skbs.  This
TSO implementation uses lightweight packet header structures and is
substantially faster.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/net/sfc/efx.c
drivers/net/sfc/ethtool.c
drivers/net/sfc/net_driver.h
drivers/net/sfc/tx.c