Commit Graph

45016 Commits

Author SHA1 Message Date
Alexander Gordeev fc1d0bf1f2 cxgb3: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Santosh Raspatur <santosh@chelsio.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:30 -05:00
Alexander Gordeev c0b2551681 cxgb3: Remove superfluous call to pci_disable_msix()
There is no need to call pci_disable_msix() in case
the previous call to pci_enable_msix() failed

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Santosh Raspatur <santosh@chelsio.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:29 -05:00
Alexander Gordeev 43c20200d1 bna: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Rasesh Mody <rmody@brocade.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:29 -05:00
Alexander Gordeev 6f1f411a23 tg3: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Nithin Nayak Sujir <nsujir@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:29 -05:00
Alexander Gordeev a5444b1747 bnx2x: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Ariel Elior <ariele@broadcom.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:29 -05:00
Alexander Gordeev f2a2dfeb94 bnx2: Use pci_enable_msix_range() instead of pci_enable_msix()
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Michael Chan <mchan@broadcom.com>
Cc: netdev@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:33:29 -05:00
Claudiu Manoil 7cca336ae1 gianfar: Remove clean_rx_ring race from gfar_ethtool
gfar_clean_rx_ring() was designed to be called from napi
(rx softirq) context to do the Rx processing. Calling it
from a process context like this is a bug as it will
clearly race with the napi Rx processing.

There's also no point in initializing num_txbdfree since
startup_gfar() already does that, when bringing the device
up again (after reset). Changing num_txbdfree "on-the-fly"
like this is also subject to race conditions.  num_txbdfree
is handled by the Tx processing path and the device reset
procedure.  Also, don't assume that num_rx_queues is always
equal to num_tx_queues.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:02 -05:00
Claudiu Manoil c10650b661 gianfar: Add missing graceful reset steps and fixes
gfar_halt() and gfar_start() are responsible for stopping
and starting the DMA and the Rx/Tx hw rings. They implement
the support for the "graceful Rx/Tx stop/start" hw procedure,
and also disable/enable eTSEC's hw interrupts in the process.

The GRS/GTS procedure requires however to have the RQUEUE/TQUEUE
registers cleared first and to wait for a period of time for the
current frame to pass through the interface (around ~10ms for a
jumbo frame). Only then may the GTS and GRS bits from DMACTRL be
set to shut down the DMA, and finally the Tx_EN and Rx_EN bits in
MACCFG1 may be cleared to disable the Tx/Rx blocks.

The same register programming order applies to start the Rx/Tx:
enabling the RQUEUE/TQUEUE *before* clearing the GRS/GTS bits.

This is a HW recommendation in order to avoid a possible
controller "lock up" during graceful reset.

Cleanup the gfar_halt()/start() prototypes, to take priv instead
of ndev as their purpose is to operate on HW. Enabling the
RQUEUE/TQUEUE in the hw_init() is not needed anymore since
that's the job of gfar_start().

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:02 -05:00
Claudiu Manoil efeddce7ea gianfar: Factor out enabling/disabling of hw interrupts
Throughout the code there are places where the controller's
hw interrupt sources need to get disabled/enabled (masked/
un-masked) all at once.  The recommendation for disabling
the interrupts is to clear the ievent first then the imask
register (not the other way around).
Use the gfar_ints_enable/disable() helpers to make these
operations consistent.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:02 -05:00
Claudiu Manoil 532c37bcb7 gianfar: Remove useless HAS_PADDING device flag
The RCTRL updates of the FSL_GIANFAR_DEV_HAS_PADDING device
flag get overriden by the FSL_GIANFAR_DEV_HAS_TIMER flag
settings, which impose a Rx padding alignment of 8 bytes.
As all the eTSEC devices that set HAS_PADDING also set the
HAS_TIMER flag, the HAS_PADDING flag is now obsolete.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:02 -05:00
Claudiu Manoil 34018fd419 gianfar: Remove sysfs stubs for FIFOCFG and stashing
Removing the sysfs stubs for the Tx FIFOCFG and ATTRELI
(stashing) config registers, as these registers may only
be configured after a MAC reset, with the controller stopped
(i.e. during hw init, at probe() time).  The current sysfs
stubs allow on-the-fly updates of these registers (the locking
measures are useless and only add unecessary code).

Changing these registers is discouraged. Only the default values
will be used instead.

Moreover, the stashing (ATTRELI) configuration options were
effectively disabled (didn't get to the hw anyway if changed)
because the stashing device_flags (HAS_BD_STASHING|HAS_BUF_STASHING)
were "accidentally" cleared during probe().

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:02 -05:00
Claudiu Manoil 208627883e gianfar: Cleanup/Fix gfar_probe and the hw init code
Factor out gfar_hw_init() to contain all the controller hw
initialization steps for a better control of register writes,
and to significantly simplify the tangled code from gfar_probe().
This results in code size and stack usage reduction (besides
code readability).

Fix memory leak on device removal, by freeing the rx_/tx_queue
structures.

Replace custom bit swapping function with a library one (bitrev8).

Move allocation of rx_/tx_queue struct arrays before the group
structure init, because in order to assign Rx/Tx queues
to groups we need to have the queues first.  This also allows
earlier bail out of gfar_probe(), in case the memory allocation
fails.

The flow control checks for maccfg1 were removed from gfar_probe(),
since flow control is disabled at probe time (priv->rx_/tx_pause_en
are 0). Redundant initializations (by 0) also removed.

Signed-off-by: Claudiu Manoil <claudiu.manoil@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-18 15:03:01 -05:00
Sachin Kamat c85fde8336 net: i40evf: Remove duplicate include
linux/sctp.h was included twice.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 17:01:50 -05:00
Phoebe Buckheister f2fdd67c6b ieee802154: enable smart transmitter features of RF212
This patch does multiple things:

 * add .set_csma_params and .set_frame_retries for the RF212 radio.
   This should work fine with RF230, but since I have no RF230 radios to
   test with, RF230 does not implement these right now
 * enable TX_ARET for frame retransmission limits greater than -1

Since RF230 has no operations to change CSMA parameters or frame retry
limits, RF230 will not be able to enter TX_ARET with this patch.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:39 -05:00
Phoebe Buckheister 7dcbd22a97 ieee802154: ensure that first RF212 state comes from TRX_OFF
A documented erratum of the RF212 chip describes that some versions of
RF212 may not be properly reset by the standard reset procedure. The
described workaround seems to not fully work either; my RF212 chips will
not correctly receive any frames unless they are taken from RX mode to
TRX_OFF and back to RX mode, effectively forcing a up-down-up-cycle.
Going to TRX_OFF and to RX without intermediate state changes at least
once fixes this.

The same transition is allowed for RF230, so simply do it all the time.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:39 -05:00
Phoebe Buckheister 6ca001978d ieee802154: add support for setting CCA energy detection levels
Since three of the four clear channel assesment modes make use of energy
detection, provide an API to set the energy detection threshold.
Driver support for this is available in at86rf230 for the RF212 chips.
Since for these chips the minimal energy detection threshold depends on
page and channel used, add a field to struct at86rf230_local that stores
the minimal threshold. Actual ED thresholds are configured as offsets
from this value.

For RF212, setting the ED threshold will not work before a channel/page
has been set due to the dependency of energy detection in the chip and
the actual channel/page selected.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister ba08fea53a ieee802154: add support for CCA mode in wpan phys
The standard describes four modes of clear channel assesment: "energy
above threshold", "carrier found", and the logical and/or of these two.
Support for CCA mode setting is included in the at86rf230 driver,
predicated for RF212 chips.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister 84dda3c648 ieee802154: add support for listen-before-talk in wpan_phy
Listen-before-talk is an alternative to CSMA in uncoordinated networks
and prescribed by european regulations if one wants to have a device
with radio duty cycles above 10% (or less in some bands). Add a phy
property to enable/disable LBT in the phy, including support in the
at86rf230 driver for RF212 chips.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister 643e53c20a ieee802154: support 100kbps QPSK/EU in at86rf230
The standard assigns channel 0 on page 2 to be 100kbps QPSK in the
868.3MHz band. Add support to the at86rf230 driver for this channel and
page, at the moment predicated only for the RF212 chip.

Per the datasheet, configurations for page 0, channels 0 to 10 and page
2, channels 0 to 10 differ only in the BPSK_QPSK bit. Support for
channels 1 to 10 is untested.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister 9b2777d608 ieee802154: add TX power control to wpan_phy
Replace the current u8 transmit_power in wpan_phy with s8 transmit_power.
The u8 field contained the actual tx power and a tolerance field,
which no physical radio every used. Adjust sysfs entries to keep
compatibility with userspace, give tolerances of +-1dB statically there.

This patch only adds support for this in the at86rf230 driver and the
RF212 chip. Configuration calculation for RF212 is also somewhat basic,
but does the job - the RF212 datasheet gives a large table with
suggested values for combinations of TX power and page/channel, if this
does not work well, we might have to copy the whole table.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister 5b520bbb53 ieee802154: default to AACK in at86rf230
The current IEEE802.15.4 stack assumes that a radio will never deliver
packets with a bad CRC into the stack, as required by the standard.
at86rf230 driven radios violates this assumption because of another
incompatibility: devices are required to send ACKs if requested by a
sender, but RF2xx will only send ACKs from a special receive mode that
is currently not used by the driver.

Enable this receive mode to fix both bugs. Frames with bad CRCs will not
be received at all, and ACKs will be sent if so requested.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:38 -05:00
Phoebe Buckheister 8fad346f36 ieee802154: add basic support for RF212 to at86rf230 driver
Since the AT86RF2xy chips are mostly compatible, this is only a small
change to the actual driver code. The at86rf230 driver already supports the
RF212 in most places, only three small adjustments are required:

 * force the initial state after P_ON to FORCE_TRX_OFF to work around a
   documented erratum
 * channels_supported depends on the frequency of the transceiver, and
   thus is_rf212
 * do early detection of chip version select an appropriate _ops struct
   based on the chip version.

Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:42:37 -05:00
Florian Fainelli 9df81dd758 net: phy: allow PHY drivers to implement their own software reset
As pointed out by Shaohui, most 10G PHYs out there have a non-standard
compliant software reset sequence, eventually something much more
complex than just toggling the BMCR_RESET bit. Allow PHY driver to
implement their own soft_reset() callback to deal with that. If no
callback is provided, call into genphy_soft_reset() which makes sure the
existing behavior is kept intact.

Reported-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:40:09 -05:00
Florian Fainelli 797ac07137 net: phy: move PHY software reset to genphy_soft_reset
As pointed out by Shaohui, this function is generic for 10/100/1000
PHYs, but 10G PHYs might have a slightly different reset sequence which
prevents most of them from using this function.

Move the BMCR_RESET based software resent sequence to
genphy_soft_reset() in preparation for allowing PHY drivers to implement
a soft_reset() callback.

Reported-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:40:08 -05:00
KY Srinivasan ee0c4c39c5 Drivers: net: hyperv: Cleanup the netvsc receive callback functio
Get rid of the buffer allocation in the receive path for normal packets.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:32:32 -05:00
KY Srinivasan 97c1723a61 Drivers: net: hyperv: Cleanup the receive path
Make the receive path a little more efficient by parameterizing the
required state rather than re-establishing that state.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:32:32 -05:00
KY Srinivasan 86eedacc63 Drivers: net: hyperv: Get rid of the rndis_filter_packet structure
This structure is redundant; get rid of it make the code little more efficient -
get rid of the unnecessary indirection.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:32:31 -05:00
Tommie Gannert 3eca529953 irtty-sir.c: Do not set_termios() on irtty_close()
Issuing set_termios() from irtty_close() causes kernel Oops for
unplugged usb-serial devices.

Since no other tty_ldisc calls set_termios() on close and no tty driver
seem to check if tty->device_data is NULL or not on entry to set_termios(),
the only solution I can come up with is to remove the irtty_stop_receiver()
call, which only updates termios.

Signed-off-by: Tommie Gannert <tommie@gannert.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 16:27:51 -05:00
John W. Linville ff95fe382c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2014-02-17 15:54:31 -05:00
Jiri Bohac 163c8ff30d bonding: 802.3ad: make aggregator_identifier bond-private
aggregator_identifier is used to assign unique aggregator identifiers
to aggregators of a bond during device enslaving.

aggregator_identifier is currently a global variable that is zeroed in
bond_3ad_initialize().

This sequence will lead to duplicate aggregator identifiers for eth1 and eth3:

create bond0
change bond0 mode to 802.3ad
enslave eth0 to bond0 		//eth0 gets agg id 1
enslave eth1 to bond0 		//eth1 gets agg id 2
create bond1
change bond1 mode to 802.3ad
enslave eth2 to bond1		//aggregator_identifier is reset to 0
				//eth2 gets agg id 1
enslave eth3 to bond0 		//eth3 gets agg id 2

Fix this by making aggregator_identifier private to the bond.

Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 14:54:06 -05:00
Emil Goode eb85569fe2 usbnet: remove generic hard_header_len check
This patch removes a generic hard_header_len check from the usbnet
module that is causing dropped packages under certain circumstances
for devices that send rx packets that cross urb boundaries.

One example is the AX88772B which occasionally send rx packets that
cross urb boundaries where the remaining partial packet is sent with
no hardware header. When the buffer with a partial packet is of less
number of octets than the value of hard_header_len the buffer is
discarded by the usbnet module.

With AX88772B this can be reproduced by using ping with a packet
size between 1965-1976.

The bug has been reported here:

https://bugzilla.kernel.org/show_bug.cgi?id=29082

This patch introduces the following changes:
- Removes the generic hard_header_len check in the rx_complete
  function in the usbnet module.
- Introduces a ETH_HLEN check for skbs that are not cloned from
  within a rx_fixup callback.
- For safety a hard_header_len check is added to each rx_fixup
  callback function that could be affected by this change.
  These extra checks could possibly be removed by someone
  who has the hardware to test.
- Removes a call to dev_kfree_skb_any() and instead utilizes the
  dev->done list to queue skbs for cleanup.

The changes place full responsibility on the rx_fixup callback
functions that clone skbs to only pass valid skbs to the
usbnet_skb_return function.

Signed-off-by: Emil Goode <emilgoode@gmail.com>
Reported-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 14:35:46 -05:00
Daniel Borkmann 99932d4fc0 netdevice: add queue selection fallback handler for ndo_select_queue
Add a new argument for ndo_select_queue() callback that passes a
fallback handler. This gets invoked through netdev_pick_tx();
fallback handler is currently __netdev_pick_tx() as most drivers
invoke this function within their customized implementation in
case for skbs that don't need any special handling. This fallback
handler can then be replaced on other call-sites with different
queue selection methods (e.g. in packet sockets, pktgen etc).

This also has the nice side-effect that __netdev_pick_tx() is
then only invoked from netdev_pick_tx() and export of that
function to modules can be undone.

Suggested-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:36:34 -05:00
Stefan Sørensen c1b5994770 net:cpsw: Pass unhandled ioctl's on to generic phy ioctl
This patch allows the use of a generic timestamping phy connected
to the cpsw if CPTS support is not enabled. This also adds support
of the SIOCGMIIREG and SIOCSMIIREG, and moves handling of SIOCGMIIPHY
to the generic driver.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:30:29 -05:00
Joe Perches ada0f8633c bonding: Convert memcpy(foo, bar, ETH_ALEN) to ether_addr_copy(foo, bar)
ether_addr_copy is smaller and faster for some architectures.

This relies on a stack frame being at least __aligned(2)
for one use of an Ethernet address on the stack.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:29:23 -05:00
Joe Perches 2ea24f2ecf bonding: Convert c99 comments
Neatening only.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:29:23 -05:00
Joe Perches 90194264ce bonding: Neaten pr_<level>
Add missing terminating newlines.
Convert uses of pr_info to pr_cont in bond_check_params.
Standardize upper/lower case styles.
Typo fixes, remove unnecessary parentheses and periods.
Alignment neatening.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:29:23 -05:00
Joe Perches 91565ebbcc bonding: Convert pr_warning to pr_warn, neatening
Use more current logging style.

Coalesce formats, realign arguments, drop unnecessary periods.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:29:23 -05:00
Julia Lawall 327cdedaf6 caif: delete unnecessary field initialization
On success, the function netdev_alloc_skb initializes the dev field of its
result to its first argument, so this doesn't have to be done in the
calling context.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression skb,privn,e;
@@

skb = netdev_alloc_skb(privn,...);
... when strict
(
-skb->dev = privn;
|
?skb = e
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:29:23 -05:00
Ingo Molnar c321f7d7c8 drivers/net: tulip_remove_one needs to call pci_disable_device()
Otherwise the device is not completely shut down.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-17 00:19:24 -05:00
Haiyang Zhang 891de74d69 hyperv: Fix the carrier status setting
Without this patch, the "cat /sys/class/net/ethN/operstate" shows
"unknown", and "ethtool ethN" shows "Link detected: yes", when VM
boots up with or without vNIC connected.

This patch fixed the problem.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-16 23:45:00 -05:00
Wang Yufen 73ac0cd48f bonding:fix checkpatch warnings braces {}
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:23 -05:00
Wang Yufen dda0fd5c83 bonding:fix checkpatch warnings braces {}
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:22 -05:00
Wang Yufen 35d75ee43f bonding:fix checkpatch warnings braces {}
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:22 -05:00
Wang Yufen fdb89d75d0 bonding:fix checkpatch warnings braces {}
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:22 -05:00
Wang Yufen 4708a1b1a4 bonding:fix checkpatch errors comments and space
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:22 -05:00
Wang Yufen b85b6fb139 bonding:fix checkpatch errors with foo* bar|foo * bar
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:20:22 -05:00
Mike Galbraith eb2d4c6487 net,bonding: fix bond_options.c direct rwlock.h include
drivers/net/bonding/bond_options.c includes rwlock.h directly,
which is a nono, and which also breaks RT kernel build.

Signed-off-by: Mike Galbraith <bitbucket@online.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 16:15:37 -05:00
WANG Cong 1c213bd24a net: introduce netdev_alloc_pcpu_stats() for drivers
There are many drivers calling alloc_percpu() to allocate pcpu stats
and then initializing ->syncp. So just introduce a helper function for them.

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 15:49:55 -05:00
Emil Goode d43ff4cd79 net: asix: add missing flag to struct driver_info
The struct driver_info ax88178_info is assigned the function
asix_rx_fixup_common as it's rx_fixup callback. This means that
FLAG_MULTI_PACKET must be set as this function is cloning the
data and calling usbnet_skb_return. Not setting this flag leads
to usbnet_skb_return beeing called a second time from within
the rx_process function in the usbnet module.

Signed-off-by: Emil Goode <emilgoode@gmail.com>
Reported-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 15:47:43 -05:00
Linus Torvalds e847882887 RDMA/InfiniBand fixes for 3.14-rc3:
- Fix some rough edges from the "IP addressing for IBoE" merge
  - Other misc fixes, mostly to hardware drivers
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull RDMA/InfiniBand fixes from Roland Dreier:

 - Fix some rough edges from the "IP addressing for IBoE" merge

 - Other misc fixes, mostly to hardware drivers

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (21 commits)
  RDMA/ocrdma: Fix load time panic during GID table init
  RDMA/ocrdma: Fix traffic class shift
  IB/iser: Fix use after free in iser_snd_completion()
  IB/iser: Avoid dereferencing iscsi_iser conn object when not bound to iser connection
  IB/usnic: Fix smatch endianness error
  IB/mlx5: Remove dependency on X86
  mlx5: Add include of <linux/slab.h> because of kzalloc()/kfree() use
  IB/qib: Add missing serdes init sequence
  RDMA/cxgb4: Add missing neigh_release in LE-Workaround path
  IB: Report using RoCE IP based gids in port caps
  IB/mlx4: Build the port IBoE GID table properly under bonding
  IB/mlx4: Do IBoE GID table resets per-port
  IB/mlx4: Do IBoE locking earlier when initializing the GID table
  IB/mlx4: Move rtnl locking to the right place
  IB/mlx4: Make sure GID index 0 is always occupied
  IB/mlx4: Don't allocate range of steerable UD QPs for Ethernet-only device
  RDMA/amso1100: Fix error return code
  RDMA/nes: Fix error return code
  IB/mlx5: Don't set "block multicast loopback" capability
  IB/mlx5: Fix binary compatibility with libmlx5
  ...
2014-02-14 10:33:45 -08:00
Florian Fainelli bdaa53bde5 net: bcmgenet: hook into the build system
This patch adds a new configuration symbol: CONFIG_BCMGENET which allows
us to build the Broadcom GENET driver and hook the driver files into the
build system.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli aa09677cba net: bcmgenet: add MDIO routines
This patch adds support for configuring the port multiplexer hardware
which resides in front of the GENET Ethernet MAC controller. This allows
us to support:

- internal PHYs (using drivers/net/phy/bcm7xxx.c)
- MoCA PHYs which are an entirely separate hardware block not covered
  here
- external PHYs and switches

Note that MoCA and switches are currently supported using the emulated
"fixed PHY" driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli 1c1008c793 net: bcmgenet: add main driver file
This patch adds the BCMGENET main driver file which supports the
following:

- GENET hardware from V1 to V4
- support for reading the UniMAC MIB counters statistics
- support for the 5 transmit queues
- support for RX/TX checksum offload and SG

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli b4af9a559c net: bcmgenet: add driver definitions and private structure
This patchs adds the bcmgenet.h header file which contains all the
hardware definitions for the GENETv1 to v4 hardware blocks as well as
the driver private structure and MIB counters.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli b560a58c45 net: phy: add Broadcom BCM7xxx internal PHY driver
This patch adds support for the Broadcom BCM7xxx Set Top Box SoCs
internal PHYs. This driver supports the following generation of SoCs:

- BCM7366, BCM7439, BCM7445 (28nm process)
- all 40nm and 65nm (older MIPS-based SoCs)

The PHYs on these SoCs require a bunch of workarounds to operate
correctly, both during configuration time and at suspend/resume time,
the driver handles that for us.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli 439d39a9ac net: phy: broadcom: extract register definitions
The Broadcom BCM54xx register definitions are shared between BCM54xx and
BCM7xx internal PHYs for which we are adding support. Extract these
register definitions and put them in include/linux/brcmphy.h for use by
the BCM7xxx internal PHY driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:58 -05:00
Florian Fainelli c88838ce89 net: phy: update port type for MoCA PHYs
MoCA PHYs are using coaxial (BNC-like) connectors, update the
transceiver port type when replying to ethtool.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-14 00:27:57 -05:00
Eli Cohen 0861565f50 IB/mlx5: Remove dependency on X86
Remove Kconfig dependency of mlx5_ib/mlx5_core on X86, since there is
no such dependency in reality.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2014-02-13 20:48:02 -08:00
Stefan Sørensen 602b109942 net:phy:dp83640: Move all HW initialization to dp83640_config_init
phy_init_hw not does a full PHY reset after the driver probe has
finished, so any hw initialization done in the probe will be lost.
Part of the timestamping functionality of the dp83640 is set up in the
probe and with that lost, enabling timestamping will cause a PHY
lockup, requiring a hard reset / power cycle to recover.

This patch moves all the HW initialization in dp83640_probe to
dp83640_config_init.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:52:22 -05:00
Heiko Schocher 0d961b3b52 drivers: net: cpsw: fix buggy loop condition
Commit 0cd8f9cc06 ("drivers: net: cpsw:
enable promiscuous mode support")

Enable promiscuous mode support for CPSW.

Introduced a crash on an am335x based board (similiar to am335x-evm).
Reason is buggy end condition in for loop in cpsw_set_promiscious()

for (i = 0; i <= priv->data.slaves; i++)

should be

for (i = 0; i < priv->data.slaves; i++)

Fix this ...

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Daniel Mack <zonque@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Markus Pargmann <mpa@pengutronix.de>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:50:04 -05:00
Liu Junliang 208ece14e2 USB2NET: Fix Default to 'y' for SR9800 Device Driver, setting to 'n'
Signed-off-by: Liu Junliang <liujunliang_ljl@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:42:01 -05:00
Jingoo Han 6726d971de USB2NET: SR9800: use %zu for size_t
Use %zu for size_t in order to avoid the following build
warning in printks.

drivers/net/usb/sr9800.c: In function 'sr9800_bind'
drivers/net/usb/sr9800.c:826:2: warning: format '%ld' expects argument of type 'long int' but argument 5 has type 'size_t'
[-Wformat]

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:40:37 -05:00
Uwe Kleine-König 89e101729b net: cpsw: catch of_get_phy_mode failing and propagate error
It's wrong if the device tree doesn't provide a phy-mode property for
the cpsw slaves as it is documented to be required in
Documentation/devicetree/bindings/net/cpsw.txt.

Anyhow it's nice to catch that problem, still more as it used to work
without this property up to commit 388367a5a9 (drivers: net: cpsw: use
cpsw-phy-sel driver to configure phy mode) which is in v3.13-rc1.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:25:14 -05:00
Aleksander Morgado 9b2b6a2d66 net: qmi_wwan: add support for Cinterion PXS8 and PHS8
When the PXS8 and PHS8 devices show up with PID 0x0053 they will expose both a
QMI port and a WWAN interface.

CC: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com>
CC: Christian Schmiedl <christian.schmiedl@gemalto.com>
CC: Nicolaus Colberg <nicolaus.colberg@gemalto.com>
CC: David McCullough <david.mccullough@accelecon.com>
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:23:26 -05:00
Vasundhara Volam f93f160b5a be2net: refactor multi-channel config code for Skyhawk-R chip
Currently multi-channel configuration is read via the QUERY_FW_CONFIG cmd.
This method has been deprecated by the Skyhawk-R FW. Instead,
GET_PROFILE_CONFIG::port-desc must be used to query this configuration.

This patch also:
a) introduces a few macros to identify certain categories of multi-channel
configs
2) re-factors the be_cmd_set_profile_config() code to be able to read any kind
of desc (and not just the nic-desc.)

Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:19:22 -05:00
Vasundhara Volam 40263820b4 be2net: Update copyright year
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:19:22 -05:00
Somnath Kotur eb0eecc136 be2net: Log a kernel message when UE is detected in BE & Skyhawk
This patch logs a kernel message when a HW error(SLIPORT_ERROR in Lancer and UE
in BEx/Skyhawk) is detected. The log message for BE3 was missing earlier.
This patch also refactors the code by segregating error-detection and reporting
code for Lancer and BEx/SH.

Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:19:22 -05:00
David S. Miller b12a0c311d linux-can-fixes-for-3.14-20140212
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Merge tag 'linux-can-fixes-for-3.14-20140212' of git://gitorious.org/linux-can/linux-can

linux-can-fixes-for-3.14-20140212

Marc Kleine-Budde says:

====================
this is a pull request with one patch for net/master, for the current release
cycle. Olivier Sobrie noticed and fixed that the kvaser_usb driver doesn't
check the number of channels value from the hardware, which may result in
writing over the bounds of an array in the driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:17:03 -05:00
David S. Miller 886ab57c84 linux-can-next-for-3.15-20140212
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Merge tag 'linux-can-next-for-3.15-20140212' of git://gitorious.org/linux-can/linux-can-next

linux-can-next-for-3.15-20140212

Marc Kleine-Budde says:

====================
this is a pull request of eight patches for net-next/master.

Florian Vaussard contributed a series that merged the sja1000 of_platform
into the platform driver. The of_platform driver is finally removed.
Stephane Grosjean supplied a patch to allocate CANFD skbs. In a patch
by Uwe Kleine-König another missing copyright information was added to
a userspace header. And a patch by Yoann DI RUZZA that adds listen only
mode to the at91_can driver.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:16:00 -05:00
Sergei Shtylyov 730c8c69bc sh_eth: use ETH_ZLEN instead of home-grown #define
The driver #define's and uses ETHERSMALL macro for the minimum Ethernet frame
size for which we have a standard macro ETH_ZLEN.  Use the latter  instead of
the home-grown one.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:09:30 -05:00
Michal Simek 91ff37ff0b net: axienet: Fix compilation warnings
Warning log:
xilinx_axienet_main.c: In function 'axienet_start_xmit_done':
xilinx_axienet_main.c:617:16: warning: operation on 'lp->tx_bd_ci' may be undefined [-Wsequence-point]
xilinx_axienet_main.c: In function 'axienet_start_xmit':
xilinx_axienet_main.c:703:18: warning: operation on 'lp->tx_bd_tail' may be undefined [-Wsequence-point]
xilinx_axienet_main.c:719:17: warning: operation on 'lp->tx_bd_tail' may be undefined [-Wsequence-point]
xilinx_axienet_main.c: In function 'axienet_recv':
xilinx_axienet_main.c:792:16: warning: operation on 'lp->rx_bd_ci' may be undefined [-Wsequence-point]
xilinx_axienet_main.c: In function 'axienet_of_probe':
xilinx_axienet_main.c:1501:21: warning: unused variable 'rc' [-Wunused-variable]

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:07:40 -05:00
Michal Simek 9d5e8ec657 net: axienet: Fix compilation error
Add missing header to fix compilation error.
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1575:22:
 error: undefined identifier 'irq_of_parse_and_map'
drivers/net/ethernet/xilinx/xilinx_axienet_main.c:1576:22:
 error: undefined identifier 'irq_of_parse_and_map'

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 18:07:40 -05:00
dingtianhong c313c89edb bonding: remove the redundant judgements for bond_option_queue_id_set()
The dev_valid_name() will check the buffer length for input name, no need to
check it twice.

Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:49:13 -05:00
dingtianhong 805d157e8f bonding: remove the redundant judgements for bond_set_mac_address()
The dev_set_mac_address() will check the dev->netdev_ops->ndo_set_mac_address,
so no need to check it in bond_set_mac_address().

Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Reviewed-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:49:12 -05:00
WANG Cong 25f929fbff net: allow setting mac address of loopback device
We are trying to mirror the local traffic from lo to eth0,
allowing setting mac address of lo to eth0 would make
the ether addresses in these packets correct, so that
we don't have to modify the ether header again.

Since usually no one cares about its mac address (all-zero),
it is safe to allow those who care to set its mac address.

Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:46:49 -05:00
Mitch Williams ef8693eb90 i40evf: refactor reset handling
Respond better to a VF reset event. When a reset is signaled by the
PF, or detected by the watchdog task, prevent the watchdog from
processing admin queue requests, and schedule the reset task.

In the reset task, wait first for the reset to start, then for it to
complete, then reinit the driver.

If the reset never appears to complete after a long, long time (>10
seconds is possible depending on what's going on with the PF driver),
then set a flag to indicate that PF communications have failed.

If this flag is set, check for the reset to complete in the watchdog,
and  attempt to do a full reinitialization of the driver from scratch.

With these changes the VF driver correctly handles a PF reset event
while running on bare metal, or in a VM.

Also update copyrights.

Change-ID: I93513efd0b50523a8345e7f6a33a5e4f8a2a5996
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:30 -05:00
Mitch Williams e8106ebe2f i40evf: change type of flags variable
As pointed out by Dan Carpenter (from Oracle), the flags variable is
declared as a 64-bit long but all of the flags are defined as u32,
which may lead to unintended consequences. Fix this by declaring flags
as u32 (since we don't need any more than about a dozen flags right
now), and remove the volatile qualifier, since it's unnecessary and
just makes checkpatch cry.

Change-ID: I137d3bb1842bf7e9456b5929ca54e3b0ed45dcab
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
CC: Dan Carpenter <dan.carpenter@oracle.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:30 -05:00
Mitch Williams e1dfee8e64 i40evf: don't store unnecessary array of strings
Since we store the traffic vector names in the queue vector struct, we
don't need to maintain an array of strings for these names in the
adapter structure. Replace this array with a single string and use it
when allocating the misc irq vector.

Also update copyrights.

Change-ID: I664f096c3c008210d6a04a487163e8aa934fee5b
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:30 -05:00
Mitch Williams 708e8c247e i40evf: fix bogus comment
Locate the structure in the correct header file.

Change-ID: Ic7853131728812093a44a75d6b70953311a48dab
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:29 -05:00
Mitch Williams a377384a04 i40evf: clean up adapter struct
Remove a bunch of unused structure members that are just wasting
space. Remove a completely unused info structure definition as well.

Also update copyrights.

Change-ID: I028ab92d9b7bd13a832cf3363bd1dc6610d8a535
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:29 -05:00
Mitch Williams eb2d80bcf6 i40e: don't handle VF reset on unload
Set the DOWN flag before attempting to disable VFs when unloading the
driver. Also, don't attempt to reset the VFs when the driver is
unloading, because the switch configuration will fail. This fixes a
panic on unload when VFs are enabled.

Change-ID: I25a6567e89c9687145f510ff4f630932412c5c5d
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:29 -05:00
Mitch Williams 4aeec0106d i40e: enable extant VFs
If VFs are present when the driver loads, then set up some resources
so they can function.

Change-ID: I485916a811609a9990ce663d06dc645f625b07ff
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:29 -05:00
Mitch Williams 69f64b2b77 i40e: reset VFs after PF reset
Reset all of the VFs after a PF reset, so that they are in a known
state, and the VF driver can detect the reset and reinit itself.

Change-ID: I93c5b3a0f8b1371d0da078f92de948b9d3a6413f
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:29 -05:00
Mitch Williams c17b362b6f i40e: set VF state to active when reset is complete
Without this, the VF can never communicate with the PF after a VF
reset.

Change-ID: I8d10f1d0d0638d50d39f0aff263422e05d83ad83
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Mitch Williams fd1646ee3a i40e: remove dead code
This looks like a cut and paste error. The code makes no sense where
it is, and accomplishes nothing. Since we've removed the goto, we can
also get rid of the extraneous brackets.

Change-ID: I9315e3eafeee0a5713c94b0dc57b58b60a849124
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Akeem G Abodunrin e108b0e341 i40e: Setting i40e_down bit for tx_timeout
If tx_timeout recovery failed, then it becomes necessary to set
i40e_down bit before actually shutdown the connection.

Change-ID: Iaac81df0e302116571827aa0cff450697fbb7fa3
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Mitch Williams a63fa1cdb6 i40evf: clean up memsets
As politely pointed out by Dave Miller, calls to memset do not need a
void pointer cast. Additionally, it is preferred to use sizeof(*the
actual object) instead of sizeof(type).

Change-ID: Id6a02429b7040111531f3865ea03fbe619167cb3
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Jesse Brandeburg af1a2a9c94 i40evf: trivial fixes
This change moves one operator up to the previous line and deletes
the duplicate declaration of ETH_ALEN.

Also update copyrights.

Change-ID: I88de73093b584e0f3b29d481ccd83fc4b1a1afa5
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Jesse Brandeburg 14ad37597b i40e: bump driver version
Update the driver version to 0.3.31-k.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:28 -05:00
Jesse Brandeburg ddf1d0d771 i40e: spelling error
Fix a spelling error, s/extention/extension/.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:27:27 -05:00
dingtianhong f80889a5b7 bonding: Fix deadlock in bonding driver when using netpoll
The bonding driver take write locks and spin locks that are shared
by the tx path in enslave processing and notification processing,
If the netconsole is in use, the bonding can call printk which puts
us in the netpoll tx path, if the netconsole is attached to the bonding
driver, result in deadlock.

So add protection for these place, by checking the netpoll_block_tx
state, we can defer the sending of the netconsole frames until a later
time using the retransmit feature of netpoll_send_skb that is triggered
on the return code NETDEV_TX_BUSY.

Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Veaceslav Falico <vfalico@redhat.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:08:29 -05:00
Cong Wang da37705cef macvlan: unregister net device when netdev_upper_dev_link() fails
rtnl_newlink() doesn't unregister it for us on failure.

Cc: Patrick McHardy <kaber@trash.net>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 17:08:28 -05:00
Srinivas Kandagatla d15891ca1f net: stmmac:sti: Add STi SOC glue driver.
STi series SOCs have a glue layer on top of the synopsis gmac IP, this
glue layer needs to be configured before the gmac driver starts using
the IP.

This patch adds a support to this glue layer which is configured via
stmmac setup, init, exit callbacks.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 16:25:13 -05:00
Jan Luebbe c7966b525f net: fix macvtap type name in Kconfig
The netlink kind (and iproute2 type option) is actually called
'macvtap', not 'macvlan'.

Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13 15:48:31 -05:00
Pontus Fuchs 908628db14 wcn36xx: Update dtim period before starting BSS
The dtim period sent to FW was 0 because the dtim period
was never set. This caused an incorrect dtim count to be sent in
beacons.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:18 -05:00
Pontus Fuchs 82cad2a0b0 wcn36xx: Track dpu signature per sta
This fixes problems seen with multiple softap clients and reconnecting
softap clients.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs 2ba0b46175 wcn36xx: Rename wcn36xx_vif.ucast_dpu_signature to self_ucast_dpu_sign
This is more line with the names of the other members

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs f2ed5d2499 wcn36xx: Add support for 3680
3680 has a few registers on other addresses.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs 2be6636a96 wcn36xx: Print FW capabilities
After fw caps exchange, print the FW's capabilities.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs 4bda7faf61 wcn36xx: Cache nv to avoid request_firmware on resume path
If wowlan if off mac80211 will stop / start the driver on suspend /
resume. This causes problems on resume since request_firmware is called
from start. Fix this by caching the nv.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs 546c505bdc wcn36xx: Wait longer for SMD commands to complete
On some wcnss firmwares the start command can take up to 300ms to
complete. Currently there is a 200ms timeout for SMD command to
complete which causes the start to fail.

Increase the timeout to 500ms. Also improve debug information
regarding SMD command completion time.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs c951da4615 wcn36xx: Improve feature caps exchange
* Response format is not in the canonical format.
  wcn36xx_smd_rsp_status_check cannot be used.

* Save the FW caps in wcn36xx struct for later use.

Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Pontus Fuchs 08762322c3 wcn36xx: Fix copy paste error hal_exit_bmps -> hal_keep_alive
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:17 -05:00
Arik Nemtsov 6b27fe5167 wlcore: add support for STA CSA with chan contexts
TI wl12xx/wl18xx cards support channel switch via a driver specific
switch_channel op while operating with channel contexts.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Eliad Peller d881fa2c50 wlcore: enable beacon filtering only after receiving a beacon
Enabling beacon filtering before receving a beacon
might result in not having a beacon at all for the
current connected AP, which prevents the station
from entering power-save.

Replace the current approach (of starting beacon
filtering on init) and configure beacon filering
only after bss_conf->dtimper is set (which means
mac80211 already parsed a beacon).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Yaniv Machani 5b07d97a38 wlcore: increase timeout to 5000 msecs
dfs configuration command might take longer than
the current timeout. increase it to 5 seconds.

Signed-off-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Arik Nemtsov 1ede950073 wlcore: decrease warning verbosity during recovery
Silently ignore repetitive scheduling of recovery work and commands
being passed to the bus when the HW is not available. This can happen
many times during recovery and slow it down. It also spams the kernel
logs.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Eliad Peller 41ed1a787c wlcore: consider multiple APs when checking active_link_count
Each AP has its own global and broadcast links, so when
checking for active sta count (according to the active_link_count)
we must take them all into account.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Eliad Peller bf4e5f1ac0 wlcore: don't handle unsetting of default wep key
mac80211 unsets the default wep key on disassoc.
The fw doesn't support this notification, so simply
ignore it.

The actual flow actually triggers fw recovery in some
cases, as mac80211 unsets the default key only after
disassoc, when wlvif->sta.hlid, resulting in invalid
hlid being passed to the fw.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Arik Nemtsov bc566f9203 wlcore: wl18xx: allow CCK rates for AP mode
12xx chips allow only OFDM rates in AP mode for BT-Coex purposes. This
is no longer required in 18xx chips, starting with FW 8.6.0.0.8.

Update the min allowed FW version in 18xx to support this functionality.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:16 -05:00
Barak Bercovitz 5a441f5ff7 wlcore: don't stop sched_scan on interface removal
Stopping sched scan on interface removal (during recovery)
is no longer needed, as sched scanning is automatically
restarted by mac80211.

Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Igal Chernobelsky 2a5ad92e27 wlcore: send EAPOL frames with voice priority
Send EAPOL frames with voice priority by setting (the new)
TX_HW_ATTR_EAPOL_FRAME bit in tx attribute.

Sending EAPOL with voice priority fixes re-key
timeout issues during heavy traffic.

Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Eliad Peller 028e7243ac wl18xx: move to new firmware (wl18xx-fw-3.bin)
Bump the min wl18xx fw version to 8.8.0.0.13

This fw is not backward compatible with older
firmware (due to api changes), so use bump
the firmware name as well.

Some modifications were done to the driver-fw api
in order to support multiple APs.

Additionally, some of the consts (such as max stations,
max links and max RX BA sessions) were changed.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Eliad Peller abf0b24912 wlcore/wl12xx/wl18xx: configure iface_combinations per-hw
Each hw supports a different iface combinations.
Define the supported combinations in each driver,
and save it in wl->iface_combinations.

Since each driver defines its own combinations now,
it can also define its max supported channels, so
we no longer need to save and set it explicitly
in wlcore.

Update wl18xx interface combinations to allow
multiple APs.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Eliad Peller 32f0fd5b70 wlcore/wl12xx/wl18xx: configure max_stations per-hw
Each hw supports a different max stations (connected to the
same ap). add a new wl->max_ap_stations and use it instead
of the current common AP_MAX_STATIONS.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Eliad Peller da08fdfaf0 wlcore/wl12xx/wl18xx: configure num_links per-hw
Upcoming fw versions will have different max links support
(according to the hw). Get ready for it by configuring
wl->num_links per-hw, instead of using the const WL12XX_MAX_LINKS.

However, continue using WLCORE_MAX_LINKS in order to simplify
structs declarations (we use it in multiple bitmaps, and converting
them to dynamic arrays is just cumbersome).

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Eliad Peller 75fb4df7f8 wlcore/wl12xx/wl18xx: simplify fw_status handling
Instead of splitting the fw_status into 2 and using some
complex calculations, read the fw status and let each low-level
driver (wl12xx/wl18xx) convert it into a common struct.

This is required for the upcoming fw api changes, which
break the current logic anyway.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:15 -05:00
Arik Nemtsov 7a536265b0 wlcore: AP: don't start mac80211 PS on non-peer HLIDs
It seems the wl18xx FW sometimes sends spurious changes on the PSM state
of the broadcast HLID. This causes us to search for a station on a
non-peer link and fail, causing warnings in our log.

Prevent the driver from considering PSM changes for any non-peer HLIDs.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:14 -05:00
Barak Bercovitz 51ae14d0ea wlcore: block read/writes to FW during ELP
When the chip is in ELP mode read/write to FW is invalid and may cause
the lower layers to get stuck. The reads/writes concerning ELP wakeup
are the exception here and are checked for. In addition to blocking the
IO, produce a warning.

Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:14 -05:00
Arik Nemtsov 9be86cf067 wlcore: cancel Tx watchdog on suspend and rearm on first Tx after
Sometimes a tx_flush during suspend fails, but the FW manages to flush
out the packets during the time when the host is supsended. Cancel
the Tx-watchdog on suspend to not cause a spurious recovery on resume
for that case. Set a flag to reinit the watchdog on the first Tx after
resume, so we'll still recover if the FW is not empty and there's
indeed a problem.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:14 -05:00
Nadim Zubidat 02d0727ca3 wlcore: memset wl->rx_filter_enabled to zero after recovery
zero rx_filter_enabled array after recovery to avoid
cases were the driver will keep trying to clear a
filter which is not configured in FW.

Such case will cause consecutive recoveries due to
command execution failures.

While on it, convert rx_filter_enabled to bitmap,
to save some memory and make sparse happy (it
doesn't like sizeof(bool array)).

Signed-off-by: Nadim Zubidat <nadimz@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:14 -05:00
ZHAO Gang bb6bd25c08 b43: use kernel api to replace b43 specific helper function
Use ieee80211_channel_to_frequency() to replace b43_channel_to_freq_{2,5}ghz(),
and remove unused b43_freq_to_channel_{2,5}ghz().

Signed-off-by: ZHAO Gang <gamerh2o@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 15:20:14 -05:00
Russell King - ARM Linux 4885c8731a hostap: fix "hostap: proc: Use remove_proc_subtree()"
remove_proc_subtree() doesn't work here as local->ddev has already
been removed, and NULLed out.  Use proc_remove() instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 14:58:12 -05:00
Stanislaw Gruszka b6213e413a rtl8187: fix regression on MIPS without coherent DMA
This patch fixes regression caused by commit a16dad7763 "MIPS: Fix
potencial corruption". That commit fixes one corruption scenario in
cost of adding another one, which actually start to cause crashes
on Yeeloong laptop when rtl8187 driver is used.

For correct DMA read operation on machines without DMA coherence, kernel
have to invalidate cache, such it will refill later with new data that
device wrote to memory, when that data is needed to process. We can only
invalidate full cache line. Hence when cache line includes both dma
buffer and some other data (written in cache, but not yet in main
memory), the other data can not hit memory due to invalidation. That
happen on rtl8187 where struct rtl8187_priv fields are located just
before and after small buffers that are passed to USB layer and DMA
is performed on them.

To fix the problem we align buffers and reserve space after them to make
them match cache line.

This patch does not resolve all possible MIPS problems entirely, for
that we have to assure that we always map cache aligned buffers for DMA,
what can be complex or even not possible. But patch fixes visible and
reproducible regression and seems other possible corruptions do not
happen in practice, since Yeeloong laptop works stable without rtl8187
driver.

Bug report:
https://bugzilla.kernel.org/show_bug.cgi?id=54391

Reported-by: Petr Pisar <petr.pisar@atlas.cz>
Bisected-by: Tom Li <biergaizi2009@gmail.com>
Reported-and-tested-by: Tom Li <biergaizi2009@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <stf_xl@wp.pl>
Acked-by: Larry Finger <Larry.Finger@lwfinger.next>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 14:58:12 -05:00
Dan Carpenter 4a0732d1f9 ath5k: shifting the wrong variable for AR5K_AR5210
In the original code we shift "AR5K_PHY(256) >> 28" which is zero but
the intent was to shift the return value of ath5k_hw_reg_read() like we
do a couple lines later.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 14:58:12 -05:00
Olivier Langlois 2e8c5e56b3 rtlwifi: Fix incorrect return from rtl_ps_enable_nic()
rtl_ps_enable_nic() is called from loops that will loop until this function returns true or a
maximum number of retries is performed.

hw_init() returns non-zero on error. In that situation return false to
restore the original design intent to retry hw init when it fails.

Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Cc: Stable <stable@vger.kernel.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 14:58:12 -05:00
Olivier Langlois f78bccd79b rtlwifi: rtl8192ce: Fix too long disable of IRQs
rtl8192ce is disabling for too long the local interrupts during hw initiatialisation when performing scans

The observable symptoms in dmesg can be:

- underruns from ALSA playback
- clock freezes (tstamps do not change for several dmesg entries until irqs are finaly reenabled):

[  250.817669] rtlwifi:rtl_op_config():<0-0-0> 0x100
[  250.817685] rtl8192ce:_rtl92ce_phy_set_rf_power_state():<0-1-0> IPS Set eRf nic enable
[  250.817732] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.817796] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.817910] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818024] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818139] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818253] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818367] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818472] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818472] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818472] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818472] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:18051d59:11
[  250.818472] rtl8192ce:_rtl92ce_init_mac():<0-1-0> reg0xec:98053f15:10
[  250.818472] rtl8192ce:rtl92ce_sw_led_on():<0-1-0> LedAddr:4E ledpin=1
[  250.818472] rtl8192c_common:rtl92c_download_fw():<0-1-0> Firmware Version(49), Signature(0x88c1),Size(32)
[  250.818472] rtl8192ce:rtl92ce_enable_hw_security_config():<0-1-0> PairwiseEncAlgorithm = 0 GroupEncAlgorithm = 0
[  250.818472] rtl8192ce:rtl92ce_enable_hw_security_config():<0-1-0> The SECR-value cc
[  250.818472] rtl8192c_common:rtl92c_dm_check_txpower_tracking_thermal_meter():<0-1-0> Schedule TxPowerTracking direct call!!
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> rtl92c_dm_txpower_tracking_callback_thermalmeter
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> Readback Thermal Meter = 0xe pre thermal meter 0xf eeprom_thermalmeter 0xf
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> Initial pathA ele_d reg0xc80 = 0x40000000, ofdm_index=0xc
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> Initial reg0xa24 = 0x90e1317, cck_index=0xc, ch14 0
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> Readback Thermal Meter = 0xe pre thermal meter 0xf eeprom_thermalmeter 0xf delta 0x1 delta_lck 0x0 delta_iqk 0x0
[  250.818472] rtl8192c_common:rtl92c_dm_txpower_tracking_callback_thermalmeter():<0-1-0> <===
[  250.818472] rtl8192c_common:rtl92c_dm_initialize_txpower_tracking_thermalmeter():<0-1-0> pMgntInfo->txpower_tracking = 1
[  250.818472] rtl8192ce:rtl92ce_led_control():<0-1-0> ledaction 3
[  250.818472] rtl8192ce:rtl92ce_sw_led_on():<0-1-0> LedAddr:4E ledpin=1
[  250.818472] rtlwifi:rtl_ips_nic_on():<0-1-0> before spin_unlock_irqrestore
[  251.154656] PCM: Lost interrupts? [Q]-0 (stream=0, delta=15903, new_hw_ptr=293408, old_hw_ptr=277505)

The exact code flow that causes that is:

1. wpa_supplicant send a start_scan request to the nl80211 driver
2. mac80211 module call rtl_op_config with IEEE80211_CONF_CHANGE_IDLE
3.   rtl_ips_nic_on is called which disable local irqs
4.     rtl92c_phy_set_rf_power_state() is called
5.       rtl_ps_enable_nic() is called and hw_init()is executed and then the interrupts on the device are enabled

A good solution could be to refactor the code to avoid calling rtl92ce_hw_init() with the irqs disabled
but a quick and dirty solution that has proven to work is
to reenable the irqs during the function rtl92ce_hw_init().

I think that it is safe doing so since the device interrupt will only be enabled after the init function succeed.

Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Cc: Stable <stable@vger.kernel.org>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-02-13 14:58:12 -05:00
John W. Linville 6b8a3ecf30 Merge git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2014-02-13 14:56:22 -05:00
John W. Linville 0e028ab0fb Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-02-13 14:43:02 -05:00
Emmanuel Grumbach 205e2210da iwlwifi: disable TX AMPDU by default for iwldvm
NICs supported by iwldvm don't handle well TX AMPDU.
Disable it by default, still leave the possibility to
the user to force enable it with a debug parameter.

NICs supported by iwlmvm don't suffer from the same issue,
leave TX AMPDU enabled by default for these.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-02-13 15:24:35 +02:00
Dmitry Kravkov 3156b8eb9d bnx2x: utilize FW 7.8.19
This new firmware fixes following bugs:
     1. HW attention appears and traffic stops when iSCSI firmware tries to
        retransmit iSCSI login command when the iSCSI login is carrying data
        not aligned to 4-bytes.
     2. FCoE traffic fails to run when running in switch-independent multi-function
        mode and there's more than one interface supporting FCoE on a given port.
     3. While two ports are running FCoE with at least one of them has a function
        number (>1) on the same engine in a 4-port device a zeroed CQE is given,
        causing FCoE traffic to stop.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:42 -05:00
Yuval Mintz 230bb0f336 bnx2x: (semantic) revise scheduling of sp_rtnl
This removes the various points where the driver use bit operations in order
to schedule the sp_rtnl_task from the code, adding a single utility function
that does it instead.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:42 -05:00
Yuval Mintz 0155a27cda bnx2x: Fix bnx2x_panic_dump for VFs
bnx2x_panic_dump() prints all kind of driver information, including slowpath
information. Since VFs don't initialize slowpath information, a VF reaching
this flow will likely cause a panic in the system as it will access NULL
pointers.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:42 -05:00
Yuval Mintz 3a3534ecf2 bnx2x: Revise IOV vlan/mac validation
There are several places in IOV related flows where PF needs to determine
whether a VF slowpath elements have already been configured (i.e., this
affect its ability to configure/remove classifications for the VF).

This patch changes the conditions for the validation and performs a cleaner
validation (e.g., by replacing several validations with a single one).

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:42 -05:00
Michal Kalderon 14a94ebd48 bnx2x: Add support in PF driver for RSC
This provides PF-side support for VFs assigned to a VM running windows
2012 with the RSC feature enabled.

Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:41 -05:00
Yuval Mintz ba72f32cb8 bnx2x: Semantic Validate vlan/mac changes
This is purely semantic - break the flow in which PF validates the VF
classification filtering requirement is valid into several sub-functions
for better readable code.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:41 -05:00
Ariel Elior f96d8d8577 bnx2x: Remove unnecessary internal mem config
Latest FW performs this autonomously, makes this code surplus.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:41 -05:00
Yuval Mintz 3565b66d49 bnx2x: Remove unused iov code
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:41 -05:00
Yuval Mintz 76ca70fabb bnx2x: [Debug] change verbosity of some prints
There are some debug prints (mostly iov/statistics related) which clobber
system logs whenever their verbosity level is set for an interface.
This patch puts harsher verbosity requirements for such debug prints to be
printed.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:15:41 -05:00
Florian Fainelli 8bed1285b9 net: phy: expose phydev->has_fixups to sysfs
Expose the PHY device has_fixups boolean as a sysfs property to help
troubleshooting PHY configurations.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:49 -05:00
Florian Fainelli b0ae009f3d net: phy: add "has_fixups" boolean property
Add a boolean property which indicates if the PHY has had any fixup
routine ran on it. We are later going to use that boolean to expose it
as a sysfs property to help troubleshooting.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:20 -05:00
Florian Fainelli 3d055d8d1c net: phy: expose PHY device interface mode
Expose the PHY device interface mode through sysfs since this is an
useful piece of information for knowing how the attached networking
device will have configured its transmit/receive path.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:20 -05:00
Florian Fainelli ad033506f5 net: phy: fix phy_{clear,config}_interrupt comment typos
The comments above phy_{clear,config}_interrupt used the word "on"
instead of "or", when talking about the return values of the functions,
fix these two typos.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:20 -05:00
Florian Fainelli 76a423a3f8 net: phy: allow driver to implement their own aneg_done
Some PHYs out there can be very quirky with respect to how they would
report the auto-negotiation is completed. Allow drivers to override the
generic aneg_done() implementation by providing their own.

Since not all drivers have been updated yet to use genphy_aneg_done() as
aneg_done() callback, we explicitely check that this callback is valid
before calling into it.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:19 -05:00
Florian Fainelli a9fa6e6ac2 net: phy: add genphy_aneg_done()
In preparation for allowing PHY drivers to potentially override their
auto-negotiation done callback, move the contents of phy_aneg_done() to
genphy_aneg_done() since that function really is the generic
implementation based on the BMSR_ANEGCOMPLETE status.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:19 -05:00
Florian Fainelli 766d1d388e net: phy: display human readable PHY speed settings
Use a convenience function: phy_speed_to_str() which will display human
readable speeds.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:19 -05:00
Florian Fainelli df40cc8879 net: phy: update phy_print_status to show pause settings
Update phy_print_status() to also display the PHY device pause settings
(rx/tx or off).

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:19 -05:00
Florian Fainelli 43b6329f98 net: phy: use network device in phy_print_status
phy_print_status() currently uses dev_name(&phydev->dev) which will
usually result in printing something along those lines for Device Tree
aware drivers:

libphy: f0b60000.etherne:0a - Link is Down
libphy: f0ba0000.etherne:00 - Link is Up - 1000/Full

This is not terribly useful for network administrators or users since we
expect a network interface name to be able to correlate link events with
interfaces. Update phy_print_status() to use netdev_info() with
phydev->attached_dev which is the backing network device for our PHY
device. The leading dash is removed since netdev_info() prefixes the
messages with "<interface>: " already.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 19:08:19 -05:00
Ben Hutchings 5b3b76085c sfc: Add/remove blank lines to taste
Remove trailing blank lines in several files.
Use only one blank line between functions.
Add a blank line as a separator in a few places.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 17:53:35 -05:00
Ben Hutchings 5eed1f6852 sfc: Fail self-test with -EBUSY, not -EIO, if the device is busy
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-12 17:53:35 -05:00