platform/kernel/linux-rpi.git
15 years agowimax/i2400m: Update comments to talk about SDIO reset and not USB.
Dirk Brandewie [Fri, 24 Jul 2009 16:04:33 +0000 (09:04 -0700)]
wimax/i2400m: Update comments to talk about SDIO reset and not USB.

Fixing comments from original cut and paste error

Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agoi2400m: minimal ethtool support
Dan Williams [Thu, 17 Sep 2009 20:06:14 +0000 (13:06 -0700)]
i2400m: minimal ethtool support

Add minimal ethtool support for carrier detection.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agowimax: misplaced parenthesis
Roel Kluin [Sun, 12 Jul 2009 22:59:53 +0000 (00:59 +0200)]
wimax: misplaced parenthesis

Fix misplaced parenthesis

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agoi2400m: keep index within ms_to_errno[]
Roel Kluin [Sun, 12 Jul 2009 23:48:42 +0000 (01:48 +0200)]
i2400m: keep index within ms_to_errno[]

Ensure that index `status' remains within ms_to_errno[]

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agowimax: indicate initial SW rfkill state is "blocked"
Inaky Perez-Gonzalez [Fri, 28 Aug 2009 00:54:53 +0000 (17:54 -0700)]
wimax: indicate initial SW rfkill state is "blocked"

The WiMAX stack assumes that all WiMAX devices are SW OFF when they
are initialized. The recent changes in the RFKILL stack thus cause an
initial call after rfkill_register(), because by default, rfkill
considers devices to be SW ON upon registration.

So call rfkill_init_sw_state() to set it to SW OFF so
rfkill_register() doesn't do that unnecessary step.

Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agowimax/i2400m: fix the bootmode RX deadlock in SDIO driver
Cindy H Kao [Thu, 27 Aug 2009 22:25:12 +0000 (15:25 -0700)]
wimax/i2400m: fix the bootmode RX deadlock in SDIO driver

i2400ms_bus_bm_wait_for_ack() causes a race condition. It happens
because this function clears i2400ms->bm_ack_size before waiting for
an interrupt, which is set by the interrupt service routine i2400ms_rx()
to indicate reception and size of received data; thus, if the interrupt
came right before the clearing/waiting, it is lost.

The fix is clear the bm_ack_size to -EINPROGRESS before we are enabling
the RX interrupt configuration in i2400ms_rx_setup(). Then everytime
when the interrupt service routine i2400ms_rx() is invoked during bootmode,
bm_ack_size is updated with the actual rx_size and it is cleared to
-EINPROGRESS again after the RX data is handled.

Signed-off-by: Cindy H Kao <cindy.h.kao@intel.com>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agowimax/i2400m/usb: remove unnecessary power management primitive in i2400m
Oliver Neukum [Wed, 19 Aug 2009 19:50:45 +0000 (13:50 -0600)]
wimax/i2400m/usb: remove unnecessary power management primitive in i2400m

This patch removes an unneeded power management primitive.
Power management is automatically enabled as probe ends.

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
15 years agoxfrm: remove skb_icv_walk
Steffen Klassert [Wed, 7 Oct 2009 22:50:40 +0000 (22:50 +0000)]
xfrm: remove skb_icv_walk

The last users of skb_icv_walk are converted to ahash now,
so skb_icv_walk is unused and can be removed.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoah: Remove obsolete code
Steffen Klassert [Wed, 7 Oct 2009 22:49:57 +0000 (22:49 +0000)]
ah: Remove obsolete code

ah4 and ah6 are converted to ahash now, so we can remove the
code for the obsolete hash algorithm.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoah6: convert to ahash
Steffen Klassert [Wed, 7 Oct 2009 22:49:01 +0000 (22:49 +0000)]
ah6: convert to ahash

This patch converts ah6 to the new ahash interface.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoah4: convert to ahash
Steffen Klassert [Wed, 7 Oct 2009 22:48:17 +0000 (22:48 +0000)]
ah4: convert to ahash

This patch converts ah4 to the new ahash interface.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoah: Add struct crypto_ahash to ah_data
Steffen Klassert [Wed, 7 Oct 2009 22:47:16 +0000 (22:47 +0000)]
ah: Add struct crypto_ahash to ah_data

To support for ahash algorithms, we add a pointer to a
crypto_ahash to ah_data.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agocosa: Kill off the use of the old ioctl path
Alan Cox [Wed, 14 Oct 2009 05:22:24 +0000 (05:22 +0000)]
cosa: Kill off the use of the old ioctl path

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: sk_drops consolidation part 2
Eric Dumazet [Thu, 15 Oct 2009 00:12:40 +0000 (00:12 +0000)]
net: sk_drops consolidation part 2

- skb_kill_datagram() can increment sk->sk_drops itself, not callers.

- UDP on IPV4 & IPV6 dropped frames (because of bad checksum or policy checks) increment sk_drops

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoinet: rename some inet_sock fields
Eric Dumazet [Thu, 15 Oct 2009 06:30:45 +0000 (06:30 +0000)]
inet: rename some inet_sock fields

In order to have better cache layouts of struct sock (separate zones
for rx/tx paths), we need this preliminary patch.

Goal is to transfert fields used at lookup time in the first
read-mostly cache line (inside struct sock_common) and move sk_refcnt
to a separate cache line (only written by rx path)

This patch adds inet_ prefix to daddr, rcv_saddr, dport, num, saddr,
sport and id fields. This allows a future patch to define these
fields as macros, like sk_refcnt, without name clashes.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogenetlink: Optimize and one bug fix in genl_generate_id()
Krishna Kumar [Wed, 14 Oct 2009 19:55:07 +0000 (19:55 +0000)]
genetlink: Optimize and one bug fix in genl_generate_id()

1. GENL_MIN_ID is a valid id -> no need to start at
   GENL_MIN_ID + 1.
2. Avoid going through the ids two times: If we start at
   GENL_MIN_ID+1 (*or bigger*) and all ids are over!, the
   code iterates through the list twice (*or lesser*).
3. Simplify code - no need to start at idx=0 which gets
   reset to GENL_MIN_ID.

Patch on net-next-2.6. Reboot test shows that first id
passed to genl_register_family was 16, next two were
GENL_ID_GENERATE and genl_generate_id returned 17 & 18
(user level testing of same code shows expected values
across entire range of MIN/MAX).

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogenetlink: Optimize genl_register_family()
Krishna Kumar [Wed, 14 Oct 2009 19:54:53 +0000 (19:54 +0000)]
genetlink: Optimize genl_register_family()

genl_register_family() doesn't need to call genl_family_find_byid
when GENL_ID_GENERATE is passed during register.

Patch on net-next-2.6, compile and reboot testing only.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agocxgb3: No need to wake queue in xmit handler
Krishna Kumar [Wed, 14 Oct 2009 19:54:19 +0000 (19:54 +0000)]
cxgb3: No need to wake queue in xmit handler

The xmit handler doesn't need to wake the queue after stopping
it temporarily (some other drivers are doing the same).

Patch on net-next-2.6, multiple netperf sessions tested.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoctcm rollback in case of errors
Einar Lueck [Wed, 14 Oct 2009 22:54:59 +0000 (22:54 +0000)]
ctcm rollback in case of errors

Group device now cleanly reacts to failures during channel start and
implements a clean rollback.

Signed-off-by: Einar Lueck <elelueck@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agolcs: Recognize return codes of ccw_device_set_online().
Klaus-Dieter Wacker [Wed, 14 Oct 2009 22:54:58 +0000 (22:54 +0000)]
lcs: Recognize return codes of ccw_device_set_online().

The creation of a new lcs device requires a call to the function
ccw_device_set_online() for the read and the write channel. Failure
of either call should terminate the lcs device creation immediately
with return code -ENODEV.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agolcs: ODEBUG: object is on stack, but not annotated.
Klaus-Dieter Wacker [Wed, 14 Oct 2009 22:54:57 +0000 (22:54 +0000)]
lcs: ODEBUG: object is on stack, but not annotated.

Timer_list structure in lcs_send_lancmd() is allocated on stack.
Initialization with init_timer() leads to above ODEBUG message.
Instead use init_timer_on_stack() which prevents above msg.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoaf_iucv: remove duplicate sock_set_flag
Ursula Braun [Wed, 14 Oct 2009 22:54:56 +0000 (22:54 +0000)]
af_iucv: remove duplicate sock_set_flag

Remove duplicate sock_set_flag(sk, SOCK_ZAPPED) in iucv_sock_close,
which has been overlooked in September-commit
7514bab04e567c9408fe0facbde4277f09d5eb74.

Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoaf_iucv: use sk functions to modify sk->sk_ack_backlog
Hendrik Brueckner [Wed, 14 Oct 2009 22:54:55 +0000 (22:54 +0000)]
af_iucv: use sk functions to modify sk->sk_ack_backlog

Instead of modifying sk->sk_ack_backlog directly, use respective
socket functions.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen; update version to 4.0.62
Dhananjay Phadke [Fri, 16 Oct 2009 15:50:12 +0000 (15:50 +0000)]
netxen; update version to 4.0.62

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: sysfs control for auto firmware recovery
Narender Kumar [Fri, 16 Oct 2009 15:50:11 +0000 (15:50 +0000)]
netxen: sysfs control for auto firmware recovery

Firmware hang detection and recovery (reset) need to
be disabled for diagnostic tools, which can run
some disruptive tests.

This adds a driver level control to turn off this
feature by diag tools.

Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: fix error codes in for tools access
Dhananjay Phadke [Fri, 16 Oct 2009 15:50:10 +0000 (15:50 +0000)]
netxen: fix error codes in for tools access

Use -EIO or -EINVAL as error codes, these can get passed up
to applications (tools).

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: onchip memory access change
Amit Kumar Salecha [Fri, 16 Oct 2009 15:50:09 +0000 (15:50 +0000)]
netxen: onchip memory access change

Add support for different windowing scheme for on chip
memory in future chip revisions. This is required by
diagnostic tools.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: reset sequence changes
Amit Kumar Salecha [Fri, 16 Oct 2009 15:50:08 +0000 (15:50 +0000)]
netxen: reset sequence changes

Future revisions need different chip reset sequence
and firmware initialization.

Also clean up some never used debug code.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: 128 memory controller support
Amit Kumar Salecha [Fri, 16 Oct 2009 15:50:07 +0000 (15:50 +0000)]
netxen: 128 memory controller support

Future revisions of the chip have 128 bit memory
transactions. Require drivers to implement rmw
in case of sub-128 bit accesses by driver. This
is mostly used by diagnostic tools.

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: defines for next revision
Amit Kumar Salecha [Fri, 16 Oct 2009 15:50:06 +0000 (15:50 +0000)]
netxen: defines for next revision

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobe2net: Add support for next generation of BladeEngine device.
Ajit Khaparde [Sat, 17 Oct 2009 01:02:12 +0000 (18:02 -0700)]
be2net: Add support for next generation of BladeEngine device.

Add new PCI ids to support next generation of BladeEngine device.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: hold socket before giving it to sk_deliver_skb()
Rémi Denis-Courmont [Thu, 15 Oct 2009 19:29:14 +0000 (12:29 -0700)]
Phonet: hold socket before giving it to sk_deliver_skb()

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Update to version 1.52.1-1
Eilon Greenstein [Thu, 15 Oct 2009 07:19:31 +0000 (00:19 -0700)]
bnx2x: Update to version 1.52.1-1

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Report the maximal available BW as link speed
Eilon Greenstein [Thu, 15 Oct 2009 07:19:05 +0000 (00:19 -0700)]
bnx2x: Report the maximal available BW as link speed

The device is limited to the maximal BW allocation, so it should be displayed as
the link speed to notify the user.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Do not call load/unload functionality from DCC
Eilon Greenstein [Thu, 15 Oct 2009 07:18:47 +0000 (00:18 -0700)]
bnx2x: Do not call load/unload functionality from DCC

There is really no need to clear the MAC or the FW filtering rules - it was
added for completion, but caused race conditions with load/unload. Removing this
redundant code

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Adding FW mailbox mutex
Eilon Greenstein [Thu, 15 Oct 2009 07:18:27 +0000 (00:18 -0700)]
bnx2x: Adding FW mailbox mutex

DCC commands are not protected with the RTNL lock, so a mutex should be added

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Changing the Disabled state to a flag
Eilon Greenstein [Thu, 15 Oct 2009 07:18:08 +0000 (00:18 -0700)]
bnx2x: Changing the Disabled state to a flag

When working with DCC, a function can be disabled or enabled (virtual link down
or up). Using the function state introduced some race conditions with the
load/unload flow.
Using a separate flag to indicate that the function is disabled.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Remove old FW files
Eilon Greenstein [Thu, 15 Oct 2009 07:17:45 +0000 (00:17 -0700)]
bnx2x: Remove old FW files

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Allowing 0 as initial fairness value
Eilon Greenstein [Thu, 15 Oct 2009 07:17:20 +0000 (00:17 -0700)]
bnx2x: Allowing 0 as initial fairness value

Value of zero was used to disable the fairness mechanism. Though the code
(driver and FW) allowed changing the value at run time, it did not allow to do
that if the mechanism was disabled to begin with.
Fixed the FW to allow turning on and off the mechanism at run time. Fixed the
code to read the value from the chip at the right sequence.
Without this fix, if the initial value was set to zero, traffic could not run on
the interface.

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobnx2x: Add FW 5.2.7
Eilon Greenstein [Thu, 15 Oct 2009 07:16:27 +0000 (00:16 -0700)]
bnx2x: Add FW 5.2.7

Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosparc: Add missing __NR_recvmmsg define.
David S. Miller [Thu, 15 Oct 2009 04:32:43 +0000 (21:32 -0700)]
sparc: Add missing __NR_recvmmsg define.

Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: sk_drops consolidation
Eric Dumazet [Thu, 15 Oct 2009 03:40:11 +0000 (20:40 -0700)]
net: sk_drops consolidation

sock_queue_rcv_skb() can update sk_drops itself, removing need for
callers to take care of it. This is more consistent since
sock_queue_rcv_skb() also reads sk_drops when queueing a skb.

This adds sk_drops managment to many protocols that not cared yet.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agohamradio: Fix bit test correctly.
Thomas Sailer [Wed, 14 Oct 2009 22:15:24 +0000 (15:15 -0700)]
hamradio: Fix bit test correctly.

Signed-off-by: Thomas Sailer <t.sailer@alumni.ethz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: forward incoming packets
Rémi Denis-Courmont [Wed, 14 Oct 2009 00:48:31 +0000 (00:48 +0000)]
Phonet: forward incoming packets

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: route outgoing packets
Rémi Denis-Courmont [Wed, 14 Oct 2009 00:48:30 +0000 (00:48 +0000)]
Phonet: route outgoing packets

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: routing table Netlink interface
Rémi Denis-Courmont [Wed, 14 Oct 2009 00:48:29 +0000 (00:48 +0000)]
Phonet: routing table Netlink interface

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: routing table backend
Rémi Denis-Courmont [Wed, 14 Oct 2009 00:48:28 +0000 (00:48 +0000)]
Phonet: routing table backend

The Phonet "universe" only has 64 addresses, so we keep a trivial flat
routing table.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoPhonet: deliver broadcast packets to broadcast sockets
Rémi Denis-Courmont [Wed, 14 Oct 2009 00:48:27 +0000 (00:48 +0000)]
Phonet: deliver broadcast packets to broadcast sockets

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoia64: Fix up the syscall table for recvmmsg
Arnaldo Carvalho de Melo [Wed, 14 Oct 2009 20:11:30 +0000 (13:11 -0700)]
ia64: Fix up the syscall table for recvmmsg

Reported-by: "Tony Luck" <tony.luck@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Remove BKL from tun
Thomas Gleixner [Wed, 14 Oct 2009 08:19:46 +0000 (01:19 -0700)]
net: Remove BKL from tun

The lock_kernel/unlock_kernel() in cycle_kernel_lock() which is called
in tun_chr_open() is not serializing against anything and safe to
remove.

tun_chr_fasync() is serialized by get/put_tun() and fasync_helper()
has no dependency on BKL. The modification of tun->flags is racy with
and without the BKL so removing it does not make it worse.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
David S. Miller [Tue, 13 Oct 2009 19:55:20 +0000 (12:55 -0700)]
Merge branch 'master' of /linux/kernel/git/davem/net-2.6

15 years agoTI DaVinci EMAC: Clear statistics register properly.
Sriram [Wed, 7 Oct 2009 02:44:30 +0000 (02:44 +0000)]
TI DaVinci EMAC: Clear statistics register properly.

The mechanism to clear the statistics register is dependent
on the status of GMIIEN bit in MAC control register. If the
GMIIEN bit is set, the stats registers are write to decrement.
If the GMIIEN bit is cleared, the stats registers are plain
read/write registers. The stats register clearing operation
must take into account the current state of GMIIEN as it
can be cleared when the interface is brought down.

With existing implementation logic, querying for interface stats
when the interface is down, can corrupt the statistics counters.
This patch examines the GMIIEN bit status in MAC_CONTROL
register before choosing an appropriate mask for clearing stats
registers.

Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Chaithrika U S <chaithrika@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agor8169: partial support and phy init for the 8168d
françois romieu [Wed, 7 Oct 2009 12:44:20 +0000 (12:44 +0000)]
r8169: partial support and phy init for the 8168d

Extracted from Realtek's 8.012.00 r8168 driver.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Simon Farnsworth <simon.farnsworth@onelan.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: smsc911x: allow platform_data to specify mac address
Manuel Lauss [Tue, 13 Oct 2009 07:25:49 +0000 (07:25 +0000)]
net: smsc911x: allow platform_data to specify mac address

Extend the driver to accept a MAC address specified in platform_data.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: enable smsc911x on MIPS
Manuel Lauss [Tue, 13 Oct 2009 07:25:48 +0000 (07:25 +0000)]
net: enable smsc911x on MIPS

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoixgb: Fix erroneous display of stats by ethtool -S
Ajit Khaparde [Tue, 13 Oct 2009 01:46:56 +0000 (01:46 +0000)]
ixgb: Fix erroneous display of stats by ethtool -S

Commit 5675f221 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoigb: Fix erroneous display of stats by ethtool -S
Ajit Khaparde [Tue, 13 Oct 2009 01:46:29 +0000 (01:46 +0000)]
igb: Fix erroneous display of stats by ethtool -S

Commit 337e067d overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoe1000: Fix erroneous display of stats by ethtool -S
Ajit Khaparde [Tue, 13 Oct 2009 01:45:48 +0000 (01:45 +0000)]
e1000: Fix erroneous display of stats by ethtool -S

Commit 23d26497 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoe1000e: Fix erroneous display of stats by ethtool -S
Ajit Khaparde [Tue, 13 Oct 2009 01:45:09 +0000 (01:45 +0000)]
e1000e: Fix erroneous display of stats by ethtool -S

Commit fd8235bb overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoixgbe: Fix erroneous display of stats by ethtool -S
Ajit Khaparde [Tue, 13 Oct 2009 01:47:33 +0000 (01:47 +0000)]
ixgbe: Fix erroneous display of stats by ethtool -S

Commit 59aa3cc4 overlooked the way offsets for netdev stats were considered.
Because of this some of the stats shown by ethtool -S were wrong.
This patch fixes it.

Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: add sysfs entries for diag tools
Dhananjay Phadke [Tue, 13 Oct 2009 05:31:45 +0000 (05:31 +0000)]
netxen: add sysfs entries for diag tools

Add sysfs entries to enable register and memory access
for diagnostic tools.

Signed-off-by: Narender Kumar <narender.kumar@qlogic.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: separate register and memory access lock
Dhananjay Phadke [Tue, 13 Oct 2009 05:31:44 +0000 (05:31 +0000)]
netxen: separate register and memory access lock

Since register and onboard memory access has separate
window registers, they need not be kept under same lock.

Also, memory is always accessed from process context
(mostly for firmware init and diagnostic tools).

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: annotate register windowing code
Dhananjay Phadke [Tue, 13 Oct 2009 05:31:43 +0000 (05:31 +0000)]
netxen: annotate register windowing code

Use common variables crb_win, ocm_win for all revisions of chip.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: add access to on chip memory for tools
Dhananjay Phadke [Tue, 13 Oct 2009 05:31:42 +0000 (05:31 +0000)]
netxen: add access to on chip memory for tools

Add access to on chip memory, this is used by
debug and diagnostic tools only.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: remove sub 64-bit mem accesses
Amit Kumar Salecha [Tue, 13 Oct 2009 05:31:41 +0000 (05:31 +0000)]
netxen: remove sub 64-bit mem accesses

Sub 64-bit / unaligned access to oncard memory was only used
by old diagnostic tools, causes some intermittent issues when
memory controller agent is used.  The new access method was
added by commit ea6828b8aa3a8ebae8d7740f32f212ba1d2f0742
("netxen: improve pci memory access").  Firmware init anyway
uses 8-byte strides.

This also fixes address/offset calculation for NX2031 context
memory (SIU). For NX3031, SIU uses same register offsets
as packet memory (MIU).

Signed-off-by: Amit Kumar Salecha <amit@netxen.com>
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Use netdev_alloc_skb_ip_align()
Eric Dumazet [Tue, 13 Oct 2009 05:34:20 +0000 (05:34 +0000)]
net: Use netdev_alloc_skb_ip_align()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
David S. Miller [Tue, 13 Oct 2009 18:41:34 +0000 (11:41 -0700)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

15 years agosb1250-mac: duplicate setting of bit V_MAC_RX_PL_THRSH(4) in sbmac_channel_start()
roel kluin [Tue, 6 Oct 2009 10:07:15 +0000 (10:07 +0000)]
sb1250-mac: duplicate setting of bit V_MAC_RX_PL_THRSH(4) in sbmac_channel_start()

The bit V_MAC_RX_PL_THRSH(4) was already set a few lines higher.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet/hamradio: fix test in receive()
roel kluin [Tue, 6 Oct 2009 01:20:08 +0000 (01:20 +0000)]
net/hamradio: fix test in receive()

The negation makes it a bool before the comparison and hence it
will never evaluate to true.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agox25: bit and/or confusion in x25_ioctl()?
roel kluin [Wed, 7 Oct 2009 00:59:42 +0000 (00:59 +0000)]
x25: bit and/or confusion in x25_ioctl()?

Looking at commit ebc3f64b864f it appears that this was intended
and not the original, equivalent to `if (facilities.reverse & ~0x81)'.

In x25_parse_facilities() that patch changed how facilities->reverse
was set. No other bits were set than 0x80 and/or 0x01.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agocxgb3: Added private MAC address and provisioning packet handler for iSCSI
Karen Xie [Thu, 8 Oct 2009 09:11:05 +0000 (09:11 +0000)]
cxgb3: Added private MAC address and provisioning packet handler for iSCSI

This patch added support of private MAC address per port and provisioning
packet handler for iSCSI traffic only.

The above changes are isolated to the cxgb3 driver, independent of any scsi or iscsi driver changes.

Acked-by: Karen Xie <kxie@chelsio.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Rakesh Ranjan <rakesh@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: add Runtime PM to the sh_eth driver
Magnus Damm [Fri, 9 Oct 2009 00:20:04 +0000 (00:20 +0000)]
net: add Runtime PM to the sh_eth driver

Add Runtime PM support to the sh_eth driver.

The clock to the ethernet hardware block will be
enabled as long as the network device is up.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: allow sh_eth to get mac address through platform data
Magnus Damm [Fri, 9 Oct 2009 00:17:14 +0000 (00:17 +0000)]
net: allow sh_eth to get mac address through platform data

Extend the sh_eth driver to allow passing the mac address
using the platform data structure. This to simplify board
setup code.

Signed-off-by: Magnus Damm <damm@opensource.se>
Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agocan: make the number of echo skb's configurable
Wolfgang Grandegger [Thu, 8 Oct 2009 22:17:11 +0000 (22:17 +0000)]
can: make the number of echo skb's configurable

This patch allows the CAN controller driver to define the number of echo
skb's used for the local loopback (echo), as suggested by Kurt Van
Dijck, with the function:

  struct net_device *alloc_candev(int sizeof_priv,
                                  unsigned int echo_skb_max);

The CAN drivers have been adapted accordingly. For the ems_usb driver,
as suggested by Sebastian Haas, the number of echo skb's has been
increased to 10, which improves the transmission performance a lot.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Add netdev_alloc_skb_ip_align() helper
Eric Dumazet [Wed, 7 Oct 2009 17:11:23 +0000 (17:11 +0000)]
net: Add netdev_alloc_skb_ip_align() helper

Instead of hardcoding NET_IP_ALIGN stuff in various network drivers,
we can add a helper around netdev_alloc_skb()

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotcp: replace ehash_size by ehash_mask
Eric Dumazet [Fri, 9 Oct 2009 00:16:19 +0000 (00:16 +0000)]
tcp: replace ehash_size by ehash_mask

Storing the mask (size - 1) instead of the size allows fast path to be
a bit faster.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoipv6: fix devconf after adding force_tllao option
Cosmin Ratiu [Fri, 9 Oct 2009 03:11:14 +0000 (03:11 +0000)]
ipv6: fix devconf after adding force_tllao option

Signed-off-by: Cosmin Ratiu <cratiu@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoirda/sa1100_ir: check return value of startup hook
Dmitry Artamonow [Tue, 13 Oct 2009 10:17:37 +0000 (03:17 -0700)]
irda/sa1100_ir: check return value of startup hook

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoudp: Fix udp_poll() and ioctl()
Eric Dumazet [Fri, 9 Oct 2009 04:43:40 +0000 (04:43 +0000)]
udp: Fix udp_poll() and ioctl()

udp_poll() can in some circumstances drop frames with incorrect checksums.

Problem is we now have to lock the socket while dropping frames, or risk
sk_forward corruption.

This bug is present since commit 95766fff6b9a78d1
([UDP]: Add memory accounting.)

While we are at it, we can correct ioctl(SIOCINQ) to also drop bad frames.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoWAN: fix Cisco HDLC handshaking.
Krzysztof Halasa [Fri, 9 Oct 2009 06:16:10 +0000 (06:16 +0000)]
WAN: fix Cisco HDLC handshaking.

Cisco HDLC uses keepalive packets and sequence numbers to determine link
state. In rare cases both ends could transmit keepalive packets at the same
time, causing the received sequence numbers to be treated as incorrect.
Now we accept our current sequence number as well as the previous one.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agotcp: fix tcp_defer_accept to consider the timeout
Willy Tarreau [Tue, 13 Oct 2009 07:27:40 +0000 (00:27 -0700)]
tcp: fix tcp_defer_accept to consider the timeout

I was trying to use TCP_DEFER_ACCEPT and noticed that if the
client does not talk, the connection is never accepted and
remains in SYN_RECV state until the retransmits expire, where
it finally is deleted. This is bad when some firewall such as
netfilter sits between the client and the server because the
firewall sees the connection in ESTABLISHED state while the
server will finally silently drop it without sending an RST.

This behaviour contradicts the man page which says it should
wait only for some time :

       TCP_DEFER_ACCEPT (since Linux 2.4)
          Allows a listener to be awakened only when data arrives
          on the socket.  Takes an integer value  (seconds), this
          can  bound  the  maximum  number  of attempts TCP will
          make to complete the connection. This option should not
          be used in code intended to be portable.

Also, looking at ipv4/tcp.c, a retransmit counter is correctly
computed :

        case TCP_DEFER_ACCEPT:
                icsk->icsk_accept_queue.rskq_defer_accept = 0;
                if (val > 0) {
                        /* Translate value in seconds to number of
                         * retransmits */
                        while (icsk->icsk_accept_queue.rskq_defer_accept < 32 &&
                               val > ((TCP_TIMEOUT_INIT / HZ) <<
                                       icsk->icsk_accept_queue.rskq_defer_accept))
                                icsk->icsk_accept_queue.rskq_defer_accept++;
                        icsk->icsk_accept_queue.rskq_defer_accept++;
                }
                break;

==> rskq_defer_accept is used as a counter of retransmits.

But in tcp_minisocks.c, this counter is only checked. And in
fact, I have found no location which updates it. So I think
that what was intended was to decrease it in tcp_minisocks
whenever it is checked, which the trivial patch below does.

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agobonding: change bond_create_proc_entry() to return void
Nicolas de Pesloüan [Tue, 13 Oct 2009 07:45:06 +0000 (00:45 -0700)]
bonding: change bond_create_proc_entry() to return void

The function bond_create_proc_entry is currently of type int.

Two versions of this function exist:

The one in the ifdef CONFIG_PROC_FS branch always return 0.
The one in the else branch (which is empty) return nothing.

When CONFIG_PROC_FS is undef, this cause the following warning:

drivers/net/bonding/bond_main.c: In function `bond_create_proc_entry':
drivers/net/bonding/bond_main.c:3393: warning: control reaches end of
non-void function

No caller of this function use the returned value.

So change the returned type from int to void and remove the
useless return 0; .

Signed-off-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr>
Reported-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years ago3c574_cs: spin_lock the set_multicast_list function
Ken Kawasaki [Tue, 13 Oct 2009 07:32:55 +0000 (00:32 -0700)]
3c574_cs: spin_lock the set_multicast_list function

3c574_cs:
 spin_lock the set_multicast_list function.

Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Teach pegasus driver to ignore bluetoother adapters with clashing Vendor:Product IDs
Chris Rankin [Tue, 13 Oct 2009 07:32:02 +0000 (00:32 -0700)]
net: Teach pegasus driver to ignore bluetoother adapters with clashing Vendor:Product IDs

The Belkin F8T012xx1 bluetooth adaptor has the same vendor and product
IDs as the Belkin F5D5050, so we need to teach the pegasus driver to
ignore adaptors belonging to the "Wireless" class 0xE0. For this one
case anyway, seeing as pegasus is a driver for "Wired" adaptors.

Signed-off-by: Chris Rankin <rankincj@yahoo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonetxen: fix pci bar mapping
Dhananjay Phadke [Tue, 13 Oct 2009 07:26:04 +0000 (00:26 -0700)]
netxen: fix pci bar mapping

Use resource_size_t for PCI resource remapping instead
of unsigned long. Physical addresses can exceed range of
long data type (e.g with PAE).

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agoethoc: fix warning from 32bit build
Alan Cox [Mon, 12 Oct 2009 05:27:55 +0000 (05:27 +0000)]
ethoc: fix warning from 32bit build

drivers/net/ethoc.c: In function ‘ethoc_open’:
drivers/net/ethoc.c:667: warning: comparison of distinct pointer types
lacks a cast

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agolibertas: fix build
Alan Cox [Mon, 12 Oct 2009 05:27:48 +0000 (05:27 +0000)]
libertas: fix build

drivers/net/wireless/libertas/cmdresp.c: In function ‘lbs_process_event’:
drivers/net/wireless/libertas/cmdresp.c:519: error: ‘TASK_INTERRUPTIBLE’
undeclared (first use in this function)
drivers/net/wireless/libertas/cmdresp.c:519: error: (Each undeclared
identifier is reported only once
drivers/net/wireless/libertas/cmdresp.c:519: error: for each function it
appears in.)

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: VMware virtual Ethernet NIC driver: vmxnet3
Shreyas Bhatewara [Tue, 13 Oct 2009 07:15:51 +0000 (00:15 -0700)]
net: VMware virtual Ethernet NIC driver: vmxnet3

Ethernet NIC driver for VMware's vmxnet3

From: Shreyas Bhatewara <sbhatewara@vmware.com>

This patch adds driver support for VMware's virtual Ethernet NIC: vmxnet3
Guests running on VMware hypervisors supporting vmxnet3 device will thus have
access to improved network functionalities and performance.

Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Ronghua Zhang <ronghua@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agonet: Fix IXP 2000 network driver building.
Vincent Sanders [Tue, 13 Oct 2009 07:03:11 +0000 (00:03 -0700)]
net: Fix IXP 2000 network driver building.

The IXP 2000 network driver was failing to build as it has its own
statistics gathering which was not compatible with the recent network
device operations changes. This patch fixes the driver in the obvious
way and has been compile tested. I have been unable to get the ixp2000
maintainer to comment or test this fix.

Signed-off-by: Vincent Sanders <vince@simtec.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agosfc: 10Xpress: Initialise pause advertising flags
Ben Hutchings [Mon, 12 Oct 2009 09:27:07 +0000 (09:27 +0000)]
sfc: 10Xpress: Initialise pause advertising flags

The mdio module now handles reconfiguration of pause advertising
through ethtool, but not initialisation.  Add the necessary
initialisation to tenxpress_phy_init().

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agomdio: Expose pause frame advertising flags to ethtool
Ben Hutchings [Mon, 12 Oct 2009 09:26:37 +0000 (09:26 +0000)]
mdio: Expose pause frame advertising flags to ethtool

In mdio45_ethtool_gset_npage() and mdio45_ethtool_gset(), check MDIO
pause frame advertising flags and set the corresponding ethtool flags.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agomdio: Advertise pause (flow control) settings even if autoneg is off
Ben Hutchings [Mon, 12 Oct 2009 09:26:17 +0000 (09:26 +0000)]
mdio: Advertise pause (flow control) settings even if autoneg is off

Currently, if pause autoneg is off we do not set either pause
advertising flag.  If autonegotiation of speed and duplex settings is
enabled, there is no way for the link partner to distinguish this from
our refusing to use pause frames.

We should instead set the advertising flags according to the forced
mode so that the link partner can follow our lead.  This is consistent
with the behaviour of other drivers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Add support for hibernation
Anton Vorontsov [Mon, 12 Oct 2009 06:00:42 +0000 (06:00 +0000)]
gianfar: Add support for hibernation

Thanks to various cleanups and refactorings this is now straightforward:
convert the gianfar driver to dev_pm_ops, plus add ->restore() callback
that will fully reinitialize MAC internal registers and BDs.

Note that I kept legacy suspend/resume callbacks so that this patch
doesn't depend on PowerPC changes (i.e. dev_pm_ops support for OF
platform drivers).

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Factor out gfar_init_bds() from gfar_alloc_skb_resources()
Anton Vorontsov [Mon, 12 Oct 2009 06:00:39 +0000 (06:00 +0000)]
gianfar: Factor out gfar_init_bds() from gfar_alloc_skb_resources()

After hibernation we want to just reinitialize BDs, no need to allocate
anything. So, factor out BDs initialization code from
gfar_alloc_skb_resourses().

Also, teach gfar_init_bds() to reuse already allocated RX SKBs, i.e.
just call gfar_init_rxbdp() if a SKB was already allocated and mapped.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Factor out RX BDs initialization from gfar_new_rxbdp()
Anton Vorontsov [Mon, 12 Oct 2009 06:00:37 +0000 (06:00 +0000)]
gianfar: Factor out RX BDs initialization from gfar_new_rxbdp()

We want to just reinitialize RX BDs after hibernation, no need to
map the skb->data again. So let's factor gfar_init_rxbdp() out of
gfar_new_rxbdp().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Move tbase/rbase initialization to gfar_init_mac()
Anton Vorontsov [Mon, 12 Oct 2009 06:00:36 +0000 (06:00 +0000)]
gianfar: Move tbase/rbase initialization to gfar_init_mac()

For hibernation we want to call gfar_init_mac() without need to
free/allocate_skb_resources sequence, so save the DMA address into a
private struct, and move tbase/rbase initialization to gfar_init_mac().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Split allocation and initialization steps out of startup_gfar()
Anton Vorontsov [Mon, 12 Oct 2009 06:00:34 +0000 (06:00 +0000)]
gianfar: Split allocation and initialization steps out of startup_gfar()

Two new functions implemented: gfar_alloc_skb_resources() and
gfar_init_mac(). We'll use gfar_init_mac() for restoring after
hibernation.

The patch just moves the code around, there should be no functional
changes.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Don't needlessly set the wrap bit for the last RX BD
Anton Vorontsov [Mon, 12 Oct 2009 06:00:33 +0000 (06:00 +0000)]
gianfar: Don't needlessly set the wrap bit for the last RX BD

startup_gfar() sets the wrap bit for the last rxbd just after
gfar_new_rxbdp() call, which is issued for all rxbds. And
gfar_new_rxbdp() has the following check already:

if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
lstatus |= BD_LFLAG(RXBD_WRAP);

So we don't need to set the bit again.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Simplify skb resources freeing code
Anton Vorontsov [Mon, 12 Oct 2009 06:00:30 +0000 (06:00 +0000)]
gianfar: Simplify skb resources freeing code

Remove dma_free_coherent() from stop_gfar() and gfar_start() calls,
place it into free_skb_resources(). That makes SKB resources management
more understandable, plus free_skb_resources() will be used as a cleanup
routine for gfar_alloc_skb_resources() that will be implemented soon.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
15 years agogianfar: Some cleanups for startup_gfar()
Anton Vorontsov [Mon, 12 Oct 2009 06:00:26 +0000 (06:00 +0000)]
gianfar: Some cleanups for startup_gfar()

We're going to split the startup_gfar() into 3 separate functions,
so let's cleanup the code a little bit so that cosmetic changes
won't distract attention from logical ones.

- Remove needless casts (e.g. (struct sk_buff **)kmalloc());
- Turn 'unsigned long vaddr;' into 'void *vaddr', to avoid casting;
- Add new 'struct device *dev' variable as a shorthand for
  '&priv->ofdev->dev' that is used all over the place, also rename
  'struct net_device *dev' to 'struct net_device *ndev';
- Turn printk(KERN_ERR ...) to pr_err(...), which is shorter;
- Don't return bogus -1 (i.e. -EPERM) when request_irq() fails;
- Turn '&priv->regs->' to just '&regs->'.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>