Commit Graph

57615 Commits

Author SHA1 Message Date
Andrew Lunn
bc87922ff5 phy: Move PHY PM operations into phy_device
The MDIO PM operations are really PHY device PM operations. So move
them into phy_device. This will be needed when we support devices on
the mdio bus which are not PHYs.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:27 -05:00
Andrew Lunn
5cf11beef2 phy_device: Move phy attributes into phy_device
The mdio_bus exports three attributes:

- PHY ID is the unique 32-bits identifier for a MDIO device implementing
  standard MII registers MII_PHYSID1/2, which is not guaranteed to be the
  case for non-standard compliant devices (e.g: Ethernet switches)

- PHY interface describes the data-path of the PHY/MDIO device, which is
  not strictly a PHY thing, but is required and needed for PHY devices to
  function, a MDIO device could be a control device exclusively

- PHY has fixups describes what the PHY driver may have done, so
  completely PHY specific

These are all phy attributes, not generic mdio attributes. So move the
attributes into the phy device code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:26 -05:00
Andrew Lunn
7f854420fb phy: Add API for {un}registering an mdio device to a bus.
Rather than have drivers directly manipulate the mii_bus structure,
provide and API for registering and unregistering devices on an MDIO
bus, and performing lookups.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:26 -05:00
Andrew Lunn
e5a03bfd87 phy: Add an mdio_device structure
Not all devices attached to an MDIO bus are phys. So add an
mdio_device structure to represent the generic parts of an mdio
device, and place this structure into the phy_device.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:26 -05:00
Andrew Lunn
e7f4dc3536 mdio: Move allocation of interrupts into core
Have mdio_alloc() create the array of interrupt numbers, and
initialize it to POLLING. This is what most MDIO drivers want, so
allowing code to be removed from the drivers.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:26 -05:00
Andrew Lunn
35d2aeac98 phy: mdio-octeon: Use devm_mdiobus_alloc_size()
Rather than use devm_kzalloc(), use the mdio helper function.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:25 -05:00
Andrew Lunn
2220943a21 phy: Centralise print about attached phy
Many Ethernet drivers contain the same netdev_info() print statement
about the attached phy. Move it into the phy device code. Additionally
add a varargs function which can be used to append additional
information.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:25 -05:00
Andrew Lunn
053e7e1692 phy: phy_{read|write}_mmd_indirect: get addr from phydev
The address of the device can be determined from the phydev structure,
rather than passing it as a parameter.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:25 -05:00
Andrew Lunn
04521bf840 net: dnet: Use phy_find_first() helper
Replace the open coded search for the first phy with a call to the
existing helper function.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:25 -05:00
Andrew Lunn
84eff6d194 phy: add phydev_name() wrapper
Add a phydev_name() function, to help with moving some structure members
from phy_device.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:25 -05:00
Andrew Lunn
72ba48be3e phy: Add phydev_err() and phydev_dbg() macros
In preparation for moving some of the phy_device structure members,
add macros for printing errors and debug information.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:24 -05:00
Andrew Lunn
cd690e48f5 phy: Use phy_read() instead of mdiobus_read()
Since we have a phydev, make use of it and the phy_read() function.
This will help with later refactoring.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07 14:31:24 -05:00
David S. Miller
9e0efaf6b4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-06 22:54:18 -05:00
Shrikrishna Khare
58caf63736 Driver: Vmxnet3: Fix regression caused by 5738a09
Reported-by: Bingkuo Liu <bingkuol@vmware.com>
Signed-off-by: Shrikrishna Khare <skhare@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 16:20:13 -05:00
Kristian Evensen
e439bd4a4f net: qmi_wwan: Add WeTelecom-WPD600N
The WeTelecom-WPD600N is an LTE module that, in addition to supporting most
"normal" bands, also supports LTE over 450MHz. Manual testing showed that
only interface number three replies to QMI messages.

Cc: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:50:00 -05:00
Dan Carpenter
9e02d8caaf fsl/fman: double free on probe failure
"priv" is allocated with devm_kzalloc() so freeing it here with kfree()
will lead to a double free.

Fixes: 3933961682 ('fsl/fman: Add FMan MAC driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:28:11 -05:00
Dan Carpenter
e06a03bdf8 fsl/fman: fix the pause_time test
pause_time is unsigned so it can't be less than zero.  The bug means
that we allow invalid pause-times.

Fixes: 57ba4c9b56 ('fsl/fman: Add FMan MAC support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:28:11 -05:00
Dan Carpenter
719255d0e2 mlxsw: core: remove an unnecessary condition
We checked "err" on the lines before so we know it's zero here.

These cause a static checker warning because checking known things can
indicate a bug.  Maybe there is a missing assignment or we are checking
the wrong variable.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:07:47 -05:00
Alan
fde55c45d2 mkiss: fix scribble on freed memory
commit d79f16c046 fixed a user triggerable
scribble on free memory but added a new one which allows the user to
scribble even more and user controlled data into freed space.

As with 6pack we need to halt the queue before we free the buffers, because
the transmit logic is not protected by the semaphore.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:06:27 -05:00
Jarod Wilson
c406700cdf ethernet/atheros/alx: sanitize buffer sizing and padding
This is based on the work done by Przemek Rudy in bug 70761 at
bugzilla.kernel.org, but with some work done to disentagle and clarify
things a bit.

Similar to Przemek's work and other drivers, we're adding a padding of 16
here, but we're also disentangling mtu size calculations from max buffer
size calculations a bit, and adding ETH_HLEN to the value written into
ALX_MTU. Hopefully, with a bit more consistency and clarity, things behave
better here. Sadly, I can only test in my alx-driven E2200, which worked
just fine before this patch.

In comment #58 of bug 70761, Eugene A. Shatokhin reports that this patch
does help considerably for a ROSA Linux user of his with an AR8162 network
adapter when patched into a 4.1.x-based kernel, with several days of
normal operation where wired network previously wasn't usable without
setting MTU to 9000 as a work-around.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70761
CC: "Eugene A. Shatokhin" <eugene.shatokhin@rosalab.ru>
CC: Przemek Rudy <prudy1@o2.pl>
CC: Jay Cliburn <jcliburn@gmail.com>
CC: Chris Snook <chris.snook@gmail.com>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 15:05:25 -05:00
Elad Raz
fc1273afb2 mlxsw: Remember untagged VLANs
When a vlan is been configured, remeber the untagged mode of the vlan.
When displaying the list of configured VLANs, show the untagged attribute.

Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 14:42:42 -05:00
Elad Raz
26a4ea0f45 mlxsw: Disable vlan_filtering for non .1D bridge
When a port is bridged, the bridge must be vlan aware bridge (.1Q)
or the bridging should be on top of VLAN interfaces (.1D bridge).

Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 14:42:41 -05:00
Elad Raz
e4a1305507 mlxsw: Renaming local variable names for consistency
Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 14:42:41 -05:00
Elad Raz
29edf44f85 mlxsw: Fixing vlans init range
Initialize VLANs 0..4095 (Remove init for VID 4096).

Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 14:42:41 -05:00
One Thousand Gnomes
60aa3b080a 6pack: fix free memory scribbles
commit acf673a318 fixed a user triggerable free
memory scribble but in doing so replaced it with a different one that allows
the user to control the data and scribble even more.

sixpack_close is called by the tty layer in tty context. The tty context is
protected by sp_get() and sp_put(). However network layer activity via
sp_xmit() is not protected this way. We must therefore stop the queue
otherwise the user gets to dump a buffer mostly of their choice into freed
kernel pages.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 01:25:01 -05:00
Ido Schimmel
f0138e2596 mlxsw: pci: Adjust value of CPU egress traffic class
During initialization, when creating the send descriptor queues (SDQs),
we specify the CPU egress traffic class of each SDQ. The maximum number
of classes of this type is different in the two ASICs supported by this
PCI driver.

New firmware versions check this value is set correctly, which causes
errors on the Spectrum ASIC, as its max exposed egress traffic class is
lower than 7.

Solve this by setting this field to 3, which is an acceptable value for
both ASICs.

Note that we currently do not expose the QoS capabilities of the ASICs,
so setting this to an hardcoded value is OK for now.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 00:48:50 -05:00
David S. Miller
56b87180cc brcfmac
* fix IBSS which got broken over time
 * new USB id for bcm43242 dongle
 * arp offload configuration through inet notifier
 
 ath9k
 
 * add random number generator support (CONFIG_ATH9K_HWRNG)
 
 iwlwifi
 
 * Make scan parameters low latency aware
 * Fix in the NL80211_FEATURE_FULL_AP_CLIENT_STATE state case
 * Fix enable injection mode (Chaya Rachel)
 * Various cleanups (Dan / Julia / myself)
 * Allow to stay more time on popular channels (David Spinadel)
 * Bug fixes for D0i3 (Eliad / Luca)
 * Fixes for GO uAPSD (myself)
 * Start of TSO support (myself)
 * Rate control bug fixes (Eyal / Gregory)
 * Start the work on 9000 devices (Johannes / Sara / Oren)
 * Start the work on a new Tx queue allocation model (Liad)
 * Debug infrastructure enhancements (Golan)
 
 mwifiex
 
 * add a debugfs file for chip reset
 * advertise SMS4 cipher suite
 * increase ap and station interface limit to 3
 * enable MSI support on newer pcie devices (8897 onwards)
 
 rtlwifi
 
 * fix lots of module parameter usage
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Merge tag 'wireless-drivers-next-for-davem-2016-01-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
brcfmac

* fix IBSS which got broken over time
* new USB id for bcm43242 dongle
* arp offload configuration through inet notifier

ath9k

* add random number generator support (CONFIG_ATH9K_HWRNG)

iwlwifi

* Make scan parameters low latency aware
* Fix in the NL80211_FEATURE_FULL_AP_CLIENT_STATE state case
* Fix enable injection mode (Chaya Rachel)
* Various cleanups (Dan / Julia / myself)
* Allow to stay more time on popular channels (David Spinadel)
* Bug fixes for D0i3 (Eliad / Luca)
* Fixes for GO uAPSD (myself)
* Start of TSO support (myself)
* Rate control bug fixes (Eyal / Gregory)
* Start the work on 9000 devices (Johannes / Sara / Oren)
* Start the work on a new Tx queue allocation model (Liad)
* Debug infrastructure enhancements (Golan)

mwifiex

* add a debugfs file for chip reset
* advertise SMS4 cipher suite
* increase ap and station interface limit to 3
* enable MSI support on newer pcie devices (8897 onwards)

rtlwifi

* fix lots of module parameter usage
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 00:05:04 -05:00
Arnd Bergmann
be78a690f5 net: hns: avoid uninitialized variable warning:
gcc fails to see that the use of the 'last_offset' variable
in hns_nic_reuse_page() is used correctly and issues a bogus
warning:

drivers/net/ethernet/hisilicon/hns/hns_enet.c: In function 'hns_nic_reuse_page':
drivers/net/ethernet/hisilicon/hns/hns_enet.c:541:6: warning: 'last_offset' may be used uninitialized in this function [-Wmaybe-uninitialized]

This simplifies the function to make it more obvious what is
going on to both readers and compilers, which makes the warning
go away.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-06 00:00:11 -05:00
Eran Ben Elisha
3d8c38af14 net/mlx5e: Add PTP Hardware Clock (PHC) support
Add a PHC support to the mlx5_en driver. Use reader/writer spinlocks to
protect the timecounter since every packet received needs to call
timecounter_cycle2time() when timestamping is enabled.  This can become
a performance bottleneck with RSS and multiple receive queues if normal
spinlocks are used.

The driver has been tested with both Documentation/ptp/testptp and the
linuxptp project (http://linuxptp.sourceforge.net/) on a Mellanox
ConnectX-4 card.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-05 14:11:50 -05:00
Eran Ben Elisha
ef9814deaf net/mlx5e: Add HW timestamping (TS) support
Add support for enable/disable HW timestamping for incoming and/or
outgoing packets. To enable/disable HW timestamping appropriate
ioctl should be used. Currently HWTSTAMP_FILTER_ALL/NONE and
HWTSAMP_TX_ON/OFF only are supported. Make all relevant changes in
RX/TX flows to consider TS request and plant HW timestamps into
relevant structures.

Add internal clock for converting hardware timestamp to nanoseconds. In
addition, add a service task to catch internal clock overflow, to make
sure timestamping is accurate.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-05 14:11:50 -05:00
Eran Ben Elisha
b084444459 net/mlx5_core: Introduce access function to read internal timer
A preparation step which adds support for reading the hardware
internal timer and the hardware timestamping from the CQE.
In addition, advertize device_frequency_khz HCA capability.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-05 14:11:50 -05:00
Achiad Shochat
34802a42b3 net/mlx5e: Do not modify the TX SKB
If the SKB is cloned, or has an elevated users count, someone else
can be looking at it at the same time.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-05 14:11:50 -05:00
David Ahern
b5bdacf3bb net: Propagate lookup failure in l3mdev_get_saddr to caller
Commands run in a vrf context are not failing as expected on a route lookup:
    root@kenny:~# ip ro ls table vrf-red
    unreachable default

    root@kenny:~# ping -I vrf-red -c1 -w1 10.100.1.254
    ping: Warning: source address might be selected on device other than vrf-red.
    PING 10.100.1.254 (10.100.1.254) from 0.0.0.0 vrf-red: 56(84) bytes of data.

    --- 10.100.1.254 ping statistics ---
    2 packets transmitted, 0 received, 100% packet loss, time 999ms

Since the vrf table does not have a route for 10.100.1.254 the ping
should have failed. The saddr lookup causes a full VRF table lookup.
Propogating a lookup failure to the user allows the command to fail as
expected:

    root@kenny:~# ping -I vrf-red -c1 -w1 10.100.1.254
    connect: No route to host

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:58:30 -05:00
Ido Schimmel
6c72a3d0d3 mlxsw: spectrum: Change bridge port attributes only when bridged
Bridge port attributes are offloaded to hardware when invoked with SELF
flag set, but it really makes no sense to reflect them when port is not
bridged.

Allow a user to change these attribute only when port is bridged and
initialize them correctly when joining or leaving a bridge.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:07:58 -05:00
Ido Schimmel
5a8f45258e mlxsw: spectrum: Set bridge status in appropriate functions
Set the bridge status of physical ports in the appropriate functions, to
be consistent with LAG join/leave and vPorts joining/leaving bridge.

Also, remove the error messages in these two functions, as we already
emit errors in both the single functions they call.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:07:58 -05:00
Ido Schimmel
78124078c4 mlxsw: spectrum: Return NOTIFY_BAD on bridge failure
It is possible for us to fail when joining or leaving a bridge, so let
the user know about that by returning NOTIFY_BAD, as already done for
LAG join/leave and 802.1D bridges.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:07:58 -05:00
Ido Schimmel
7b31abe70b mlxsw: spectrum: Initialize PVID only once
We set PVID to 1 in mlxsw_sp_port_vlan_init(), so we can remove this
statement.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:07:58 -05:00
hayeswang
7ec2541aa7 r8152: add reset_resume function
When the reset_resume() is called, the flag of SELECTIVE_SUSPEND should be
cleared and reinitialize the device, whether the SELECTIVE_SUSPEND is set
or not. If reset_resume() is called, it means the power supply is cut or the
device is reset. That is, the device wouldn't be in runtime suspend state and
the reinitialization is necessary.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 22:02:08 -05:00
Julia Lawall
46f85a9215 chelsio: constify cphy_ops structures
The cphy_ops structures are never modified, so declare them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 21:58:28 -05:00
Arnd Bergmann
46678612e1 fsl/fman: allow modular build
ARM allmodconfig fails because of the addition of the FMAN driver:

drivers/built-in.o: In function `dtsec_restart_autoneg':
binder.c:(.text+0x173328): undefined reference to `mdiobus_read'
binder.c:(.text+0x173348): undefined reference to `mdiobus_write'
drivers/built-in.o: In function `dtsec_config':
binder.c:(.text+0x173d24): undefined reference to `of_phy_find_device'
drivers/built-in.o: In function `init_phy':
binder.c:(.text+0x1763b0): undefined reference to `of_phy_connect'
drivers/built-in.o: In function `stop':
binder.c:(.text+0x176014): undefined reference to `phy_stop'
drivers/built-in.o: In function `start':
binder.c:(.text+0x176078): undefined reference to `phy_start'

The reason is that the driver uses PHYLIB, but that is a loadable
module here, and fman itself is built-in.

This patch makes it possible to configure fman as a module as well
so we don't change the status of PHYLIB in an allmodconfig kernel,
and it adds a 'select PHYLIB' statement to ensure that phylib is
always built-in when fman is.

The driver uses "builtin_platform_driver(fman_driver);", which means
it cannot be unloaded, but it's still possible to have it as a loadable
module that gets loaded once and never removed.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 5adae51a64 ("fsl/fman: Add FMan MURAM support")
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 21:53:42 -05:00
Insu Yun
3934aa4c1f cxgb4: correctly handling failed allocation
Since t4_alloc_mem can be failed in memory pressure,
if not properly handled, NULL dereference could be happened.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 17:18:42 -05:00
Insu Yun
b77357b692 qlcnic: correctly handle qlcnic_alloc_mbx_args
Since qlcnic_alloc_mbx_args can be failed,
return value should be checked.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 17:14:30 -05:00
Chun-Hao Lin
1016a4a1f4 r8169:Correct the way of setting RTL8168DP ephy
The original way is wrong, it always writes ephy reg 0x03.

Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:50:49 -05:00
Chun-Hao Lin
c832c35f5f r8169:Fix typo in setting RTL8168H PHY PFM mode.
The PHY PFM register is in PHY page 0x0a44 register 0x11, not 0x14.

Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:50:49 -05:00
Chun-Hao Lin
69f3dc379b r8169:Fix typo in setting RTL8168EP and RTL8168H D3cold PFM mode
The register for setting D3code PFM mode is  MISC_1, not DLLPR.

Signed-off-by: Chunhao Lin <hau@realtek.com>
Reviewed-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:50:48 -05:00
Sergei Shtylyov
7cf724770b sh_eth: get rid of {cpu|edmac}_to_{edmac|cpu}()
Now that {cpu|edmac}_to_{edmac|cpu}() functions boiled down to the mere
{cpu|le32}_to_{le32|cpu}() calls, there's no need for these functions
anymore, so just get rid of them.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:11:11 -05:00
Sergei Shtylyov
888cc8c20c sh_eth: remove EDMAC_BIG_ENDIAN
Commit  71557a37ad ("[netdrvr] sh_eth: Add SH7619 support") added support
for the big-endian EDMAC descriptors. However, it was never used and never
worked right until the recent driver  fixes. I think we now  can just remove
this support,  it was only burdening the driver from the start. It should be
easy to do without disturbing the SH platform code, at least for now...

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:11:11 -05:00
Geliang Tang
6e898bfd6e tilepro: use to_delayed_work
Use to_delayed_work() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 16:07:16 -05:00
Michael Chan
068c9ec629 bnxt_en: Modify ethtool -l|-L to support combined or rx/tx rings.
The driver can support either all combined or all rx/tx rings.  The
default is combined, but the user can now select rx/tx rings.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 15:54:40 -05:00
Michael Chan
01657bcd07 bnxt_en: Modify init sequence to support shared or non shared rings.
Modify ring memory allocation and MSIX setup to support shared or
non shared rings and do the proper mapping.  Default is still to
use shared rings.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-04 15:54:40 -05:00