This patch works around the MWI bug on the DC21143 rev 65 Tulip by
ensuring that the receive buffers don't end on a cache line boundary
(as documented in the errata).

This patch is required for the MIPS based Cobalt Qube/RaQ as
supporting the extra PCI commands seems to reduce the chance of a hard
lockup between the Tulip and the PCI bridge.
Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

winbond-840 shares tulip.h with the tulip driver, because they share
many (but not all) of the same register definitions.

This is useful for the register definitions, but not helpful when it
comes to symbols that are shared among the tulip driver's C modules,
but not meant to be shared outside that one driver.

Thus, PKT_BUF_SZ is a symbol internal to tulip, but it was intruding
upon a similar symbol in winbond-840's namespace.  This was not a
problem as long as the two symbols had the same value, but upcoming
patches result in differing symbol values.
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

bond_main.c already #includes <linux/seq_file.h>
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Multi-line comments weren't all CodingStyle compliant
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Having the id field be an int was making more complex bus topologies
excessively difficult.  For now, just convert it to a string, and
change all instances of "bus->id = val" to
snprintf(id, MII_BUS_ID_LEN, "%x", val).
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Poll the completed TX frames in gfar_poll().  This prevents the tx
completion interrupt from interfering with processing of received
frames.

We also disable hardware rx coalescing when NAPI is enabled.
Signed-off-by: NDai Haruki <dai.haruki@freescale.com>
Signed-off-by: NAndy Fleming <afleming@freescale.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

This patch revises the logging for link informations of spidernet.

  - The link down message is too verbose because auto-negotiation timeout
    occurs periodically while an ethernet cable is not connected.
  - We want to see the link result, and we think it should be displayed.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

In addition to the value of GHIINT0STS, spidernet interrupt handler
should check the values of GHIINT1STS/GHIINT2STS registers at the
beginning of spider_net_interrupt() so as not to drop error
interrupts.

GHIINT1STS/GHIINT2STS registers indicates some of erroneous conditions
in spidernet, and a few bits of GHIINT0STS register reflects these
conditions. But GHIINT0MSK masks these bits, so you should check these
conditions by reading GHIINT1STS/GHIINT2STS registers directly.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

This patch changes spidernet interrupt masks.

 - unmask GDAINVAINT. There is an operation to do by spidernet
   interrupt handler.
 - mask some interrupts. There are no operations in the interrupt handler.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

This patch extends the timeout for spidernet auto-negotiation.
Auto-negotiation often fails to finish in 2 seconds.
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

This patch fixes initialization of "aneg_count" and "medium" fields in
spider_net_card to make spidernet driver correctly sets "link status".
Signed-off-by: NKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: NJens Osterkamp <jens@de.ibm.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Cosmetic TAB/whitespace cleanups and some style cleanups.  No
functional changes.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Convert the tc35815 driver to use the generic PHY layer in
drivers/net/phy.  Also rename 'boardtype' to 'chiptype' which hould be
more appropriate.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Use managed pci functions and kill unnecessary volatiles.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Use netdev_priv() instead of dev->priv.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Use print_mac() and DECLARE_MAC_BUF().
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Use struct net_device_stats embedded in struct net_device.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

When there are multiple mv643xx_eth silicon blocks in the system,
don't print an initialisation message for each and every one of
them.
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

Pass a struct mv643xx_private * to the register accessor functions,
as a preparation for having multiple mv643xx_eth silicon blocks.

(Since this causes some 80 column straddling, and the mv_ prefix
is useless anyway, rename mv_read to rdl and mv_write to wrl to
compensate.)
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

In error and warning printks, always report the netdevice name
instead of the port index (the latter has no meaning when there
are multiple mv643xx_eth silicon blocks in the system.)
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

Instead of identifying individual mv643xx ethernet ports by only
their port number, identify them by their struct mv643xx_private *,
as just a port number has no meaning when there are multiple
mv643xx_eth silicon blocks in the system.
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

- Remove unused MV643XX_DEFAULT_[RT]X_QUEUE_SIZE definitions.
- Remove ETH_TARGET enum -- it isn't used anywhere in the driver,
  and isn't even valid for non-mv643xx chip models, as those use
  different MBUS target IDs.
- Clean up comment and control flow in mv643xx_eth_change_mtu().
- Use mp->dev instead of mp->mii.dev in mv643xx_eth_tx_timeout_task().
- Make mv643xx_eth_free_tx_descs() static.
- Remove overzealous NULL check in mv643xx_eth_start_xmit().
- Use symbolic NETDEV_TX_* constants in mv643xx_eth_start_xmit().
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

mv643xx_eth_start_xmit() should check mp->tx_desc_count only
inside the mp->lock spinlock.
Signed-off-by: NLennert Buytenhek <buytenh@marvell.com>
Reviewed-by: NTzachi Perelstein <tzachi@marvell.com>
Signed-off-by: NDale Farnsworth <dale@farnsworth.org>

This change is necessary to allow cwnd to grow during persistent
reordering.  Cwnd moderation is applied when in the disorder state
and an ack that fills the hole comes in.  If the hole was greater
than 3 packets, but less than tp->reordering, cwnd will shrink when
it should not have.
Signed-off-by: NJohn Heffner <jheffner@napa.(none)>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

The alloc_netdev_mq() tries to produce 32-bytes alignment for both
the net_device itself and its private data. The second alignment is
achieved by adding the NETDEV_ALIGN_CONST to the whole size of
the memory to be allocated.

However, for those devices that do not need the private area, this
addition just makes the net_device weight 1024 + 32 = 1068 bytes,
i.e. consume twice as much memory.

Since loopback device is such (sizeof_priv == 0 for it), and each
net namespace creates one, this can save a noticeable amount of
memory for kernel with net namespaces turned on.

After this set the lo device is actually allocated from a size-1024
kmem cache on i386 box even with NETPOLL and WIRELESS_EXT turned on.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

dev_set_net is called for
- just allocated devices
- devices moving from one namespace to another
release_net has proper check inside to distinguish these cases.
Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Protocol control sockets and netlink kernel sockets should not prevent the
namespace stop request. They are initialized and disposed in a special way by
sk_change_net/sk_release_kernel.
Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Make release_net/hold_net noop for performance-hungry people. This is a debug
staff and should be used in the debug mode only.

Add check for net != NULL in hold/release calls. This will be required
later on.

[ Added minor simplifications suggested by Brian Haley. -DaveM ]
Signed-off-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

And no need in some IPPROTO_XXX enabling, since ipv6 code
doesn't have any filtering.

So, just set proper net and mark device with NETNS_LOCAL.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

All the ip_route_output_key(), dev_get_by_...() and ipv6_chk_addr()
calls are now stubbed with init_net.

Fortunately, all the places already have where to get the proper
net from.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Move hashes in the struct ip6_tnl_net, replace tnls_xxx[] with 
ip6n->tnlx_xxx[] and handle init and exit appropriately.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

All the code, that reference it already has the ip6_tnl_net pointer,
so s/ip6_fb_tnl_dev/ip6n->fb_tnl_dev/ and move creation/releasing
code into net init/exit ops.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Calls to ip6_tnl_lookup were stubbed with init_net - give them
a proper one.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Hashes and fallback device used in them will be per-net.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>