This patch is meant to help improve performance by reducing the number of
locked operations required to allocate a frag on x86 and other platforms.
This is accomplished by using atomic_set operations on the page count
instead of calling get_page and put_page.  It is based on work originally
provided by Eric Dumazet.

In addition it also helps to reduce memory overhead when using TCP.  This
is done by recycling the page if the only holder of the frame is the
netdev_alloc_frag call itself.  This can occur when skb heads are stolen by
either GRO or TCP and the driver providing the packets is using paged frags
to store all of the data for the packets.

Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: NEric Dumazet <edumazet@google.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

No longer used.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

After FW download, activate new FW by invoking FW reset.
Recreate rings once new FW is operational.
Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Invoke only required initialization routines for Lancer.
Remove invocation of unnecessary routines.
Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Query die temperature stat for Lancer to report it correctly
in ethtool.
Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Autonegotiation of pause parameters is possible only on some PHYs.
Ability of autoneg of pause parameters is reported by adapter.
Autoneg of pause parameters cannot be changed from driver.
Fix driver to give error when autoneg mode is toggled by user.
Signed-off-by: NPadmanabh Ratnakar <padmanabh.ratnakar@emulex.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NJiri Pirko <jpirko@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NJiri Pirko <jpirko@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NJiri Pirko <jpirko@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

All handler->err() routines expect that we've done a pskb_may_pull()
test to make sure that IP header length + 8 bytes can be safely
pulled.
Reported-by: NHiroaki SHIMODA <shimoda.hiroaki@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Can be used to match packets against netfilter ip sets created via ipset(8).
skb->sk_iif is used as 'incoming interface', skb->dev is 'outgoing interface'.

Since ipset is usually called from netfilter, the ematch
initializes a fake xt_action_param, pulls the ip header into the
linear area and also sets skb->data to the IP header (otherwise
matching Layer 4 set types doesn't work).
Tested-by: NMr Dash Four <mr.dash.four@googlemail.com>
Signed-off-by: NFlorian Westphal <fw@strlen.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

First update the adapter variables with the current speed and
mode before fire the notification. Otherwise, the get_settings()
may provide old values.
Signed-off-by: NFlavio Leitner <fbl@redhat.com>
Acked-by: NRajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

6lowpan module starts collecting incomming frames and fragments
right after lowpan_module_init() therefor it will be better to
clean unfinished fragments in lowpan_cleanup_module() function
instead of doing it when link goes down.

Changed spinlocks type to prevent deadlock with expired timer event
and removed unused one.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Function lowpan_alloc_new_frame() takes u8 tag as an argument. However,
its only caller, lowpan_process_data() passes down a u16. Hence,
the tag value can get corrupted. This prevent 6lowpan fragment reassembly of a
message when the fragment tag value is over 256.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Cc: Tony Cheneau <tony.cheneau@amnesiak.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Make symbols static to avoid the following warning shown up
by sparse:

    warning: symbol ... was not declared. Should it be static?
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Use netdev_alloc_skb_ip_align() instead of alloc_skb() to get some
extra headroom in case we need to forward this frame in a tunnel or
something else.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Add method to get the device short 802.15.4 address. This call
needed by ieee802154 layer to satisfy 'iz list' request from
the user space.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Fix LOCKDEP bug message for the irq handler spinlock.
Make the irq processing code more explicit and stable.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Revert the commit 768f7c7c to initialize
spinlock in the more preferable way and make it static to avoid sparse
warning.
Signed-off-by: NAlexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

"retval" has to be a signed integer for the error handling to work.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

A number of older ColdFire CPU based boards use NS8390 based network
controllers. Most use the Davicom 9008F or the UMC 9008F. This driver
provides the support code to get these devices working on these platforms.

Generally the NS8390 based eth device is direct connected via the general
purpose bus of the ColdFire CPU. So its addressing and interrupt setup is
fixed on each of the different platforms (classic platform setup).

This driver is based on the other drivers/net/ethernet/8390 drivers, and
includes the lib8390.c code. It uses the existing definitions of the
board NS8390 device addresses, interrupts and access types from the
arch/m68k/include/asm/mcf8390.h, but moves the IO access functions into
the driver code and out of that header.
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

The mcfne.h include contains definitions to support NS8390 eth based hardware
on ColdFire based CPU boards. So change its name to reflect that better.
Signed-off-by: NGreg Ungerer <gerg@uclinux.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Reported-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

As described in my patch series from the other day, we need to
rearrange redirect handling so that the local initiators of packets
(sockets, tunnels, xfrms, etc.) that implement the protocols compute
the route and pass this down into the ipv4/ipv6 routing code.

These changes here do so by implementing a new dst_ops->redirect
method.

No more do we have this funny code that tries several different sets
of routing keys to try and figure out which route the redirect should
actually be applied to.

No more do we have the problem wherein TOS rewriting causes problems
for us.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

No longer necessary.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

And delete rt6_redirect(), since it is no longer used.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Hook it into dst_ops->redirect as well.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This sets things up so that we can have the protocol error handlers
call down into the ipv6 route code for redirects just as ipv4 already
does.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

This is going to be used internally by the rt6 redirect code.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

No longer needed, as the protocol handlers now all properly
propagate the redirect back into the routing code.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Signed-off-by: NDavid S. Miller <davem@davemloft.net>