All of the open() functions which don't need the BKL on their face may
still depend on its acquisition to serialize opens against driver
initialization.  So make those functions acquire then release the BKL to be
on the safe side.
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

This documents the fact that somebody looked at the relevant open()
functions and concluded that, due to their trivial nature, no locking was
needed.
Signed-off-by: NJonathan Corbet <corbet@lwn.net>

Signed-off-by: NJonathan Corbet <corbet@lwn.net>

Some network drivers do not check whether they're actually running on the
correct platform, causing multi-platform kernels to crash if they are not.
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Use asm/byteorder.h instead.
Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

An error path in ppp_create_interface() lacks one and may
BUG in free_netdev() checking for proper dev->reg_state.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Periodically check the MII PHY status to ensure that the
network layer's link status is updated and the user informed
of any changes.
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

There was a missing newline in a dev_dbg() message.  Values read
from/written into PHY registers might be for interest too, so I added
new dbg messages there.
Signed-off-by: NEnrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

There were missing __dev* annotations for the dm9000_probe()
and dm9000_drv_remove() functions.
Signed-off-by: NEnrico Scholz <enrico.scholz@sigma-chemnitz.de>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

noticed while browsing code, apparent thinko.  compile tested only.
Signed-off-by: NJesse Brandeburg <jesse.brandeburg@intel.com>
CC: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Add a set of self-tests accessible thorugh ethtool.
Add hardware loopback and TX disable control code to support them.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

An RX_RESET event can be reported either as a global or as a driver event.
We were counting only global events.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Fall-through is expected outside a switch statement.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

The 10Xpress PHY supports flash upgrades through MDIO, but needs to be
put in upgrade mode at power-up.  This adds a module parameter and other
logic to support that.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

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: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

The eHEA driver uses the recently modified walk_memory_resource for powerpc
functionality to detect the memory layout. It further uses the memory hotplug
notifiers to catch memory hotplug events.
Signed-off-by: NHannes Hering <hering2@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

The new ehea memory hot plug implementation depends on MEMORY_HOTPLUG.
Signed-off-by: NHannes Hering <hering2@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

The loop that unmaps all of the TX Buffer Descriptors never actually
moves the txbd pointer, so we were just repeatedly unmapping the first one.
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Reset the chip when the PCI link goes down.
Preserve the napi structure when a sge qset's resources are freed.
Replay only HW initialization when the chip comes out of reset.
Signed-off-by: NDivy Le ray <divy@chelsio.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Fix faiures path when ports are stopped and restarted
in EEH recovery.
Signed-off-by: NDivy Le Ray <divy@chelsio.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Fix a long-standing bug/misunderstanding between the
driver and the firmware.  The size of the interrupt
queue must be set to the number of rx slots (big + small),
and it should never have been a tunable.
Setting it too small results in chaos.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Add myri10ge_get_firmware_capabilities() to retrieve TSO6 and
interrupt slots capabilities from the firmware.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

To prepare and simplify multislice rx support, add a single slice
structure and move some fields in there.
No functional change yet.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Fix another potential for an infinite loop while looking for the
root port in myri10ge_enable_ecrc().
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Add some blank lines to uniformize the code and match
the upstream code.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Add a barrier() in the usleep() loop in  myri10ge_send_cmd().
Without the barrier, some mips machine never notices that the
firmware has DMA'ed the response.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Make ethtool report FIBER for XFP based NIC's port type.
Don't bother to poke around and try to find out what is in
the XFP cage, since Linux does not have separate media types
for -SR -LR, etc.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Properly align scratch buffers when making boot commands.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Increase the handoff timeout to 512ms so as to give the aeluros based
NICs sufficient time to handoff without relying on the msleep() being
sloppy, and accidentally sleeping way longer than the 20ms we specified
in 20 separate 1ms sleeps.

Fix typo in the handoff sleep delay, which made it additive, not
exponential.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Remove useless linebreaks at the end of MODULE_PARM_DESC
and fix the description of myri10ge_lro_max_pkts.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Update myri10ge firmware headers.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NAndrew Gallatin <gallatin@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

atl1-2.1.3.
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Add a shutdown callback that points to atl1_suspend().  This, along
with a working suspend function, fixes wake-on-lan.
Tested-by: NPer Olofsson <pelle@dsv.su.se>
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Fix atl1_suspend() and atl1_resume() so they actually work.  We'll use
the suspend function for wake-on-lan in addition to just suspending.
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Using vendor-provided magic, add code to enter power save mode
on the PHY.  We'll need this for suspend and wake-on-lan.
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

This fixes the bug that the I/O buffer is not freed at the driver removal.
Signed-off-by: NMasakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>