20749 Commits

Author SHA1 Message Date
Dedy Lansky
1eb9d1e5c6 wil6210: Limit max number of associated stations
Add a module parameter to support setting the maximum
number of stations that can be associated to an AP.

Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:36 -04:00
Vladimir Kondratiev
a21420864a wil6210: fix false "scan timeout"
When sending scan request, if hardware is not ready, scan timer was started
and scan timeout mis-reported.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:36 -04:00
Vladimir Kondratiev
36345ac33c wil6210: fix beamforming data reporting
When reading 'bf' file on debugfs, query beam forming status from firmware.
Ignore CID's that return error or return all zeros.

Remove obsolete code that used to maintain statistics on per-device basis,
as now it is reported be per-CID and current.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:35 -04:00
Vladimir Kondratiev
b7cde47009 wil6210: convert debugfs to the table mode
Define tables for similar file entries, i.e.
- table for debugfs_create_file
- table for static parameters
- table for parameters that are members of "wil" structure
- table for blobs
- table for interrupt controllers

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:34 -04:00
Vladimir Kondratiev
6afd60055d wil6210: Workaround for Sparrow with bad device id
If firmware broken on the boot time, Sparrow card enumerates as
device 0x302 instead of 0x310. Allow using this ID

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:33 -04:00
Vladimir Kondratiev
520d68e7cf wil6210: wait longer for hardware reset completion
Typical time for hardware reset, as measured, is about 200..250 msec.
Adjust sleeping to use more relaxed msleep, increase sleep interval
and increase total sleep time to be about 1sec

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:33 -04:00
Vladimir Kondratiev
bbb2adc7b4 wil6210: check error in wil_target_reset()
When resetting target in wil_target_reset(), error may occur.
Indicate error via error code. In case of error, don't attempt to further
interact with card, specifically don't attempt firmware download or
interrupts enabling.

Move wil_rx_fini() to be always executed to prevent memory leak.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:32 -04:00
Vladimir Kondratiev
02525a7925 wil6210: update copyright year 2014
Fix Copyright headers in all files changed in 2014, to mention 2014

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:31 -04:00
Vladimir Kondratiev
cc9e4a2b66 wil6210: fix race in reset
It is important to halt USER CPU first, then MAC CPU
Otherwise, race happens in the firmware

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:30 -04:00
Vladimir Kondratiev
91b775edf7 wil6210: map MAC timer for packet lifetime into debugfs
expose reading RGF_MAC_MTRL_COUNTER_0 in debugfs

Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:30 -04:00
Hans Wennborg
e2261afd4c mwifiex: fix decimal printf format specifiers prefixed with 0x
The prefix suggests the number should be printed in hex, so use
the %x specifier to do that.

Found by using regex suggested by Joe Perches.

Signed-off-by: Hans Wennborg <hans@hanshq.net>
Acked-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:17:29 -04:00
Himangi Saraogi
26c0604628 cw1200: Introduce the use of devm_kzalloc
This patch introduces the use of devm_kzalloc and does away with the
kfrees in the probe and remove functions.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:43 -04:00
Himangi Saraogi
6040aa70c3 net: wireless: wl1251: Remove unnecessary free_irq
This patch does away with free_irq in the remove function as the irq is
allocated with a devm_request_irq.

Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:43 -04:00
Rafał Miłecki
8615eb2870 b43: N-PHY: support setting custom TX power
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:43 -04:00
Rafał Miłecki
ec76643b00 b43: implement PPR (Power Per Rate) management/API
Broadcom hardware supports auto-adjustment of TX power depending on the
currently used rate. So far all calculations were handled without any
helpers (API) using big arrays and magic offsets.
It seems Broadcom recently decided to clean this up by developing PPR.
Their wlc_ppr.h can be found in open parts of the SDK.
As we plan to implement support for rate-based TX power it makes sense
to also implement our version of PPR as well.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:43 -04:00
Rafał Miłecki
a68c356bcf b43: N-PHY: add RF power tables for radio 0x2057 revs 9 & 14
Don't write them as we don't have gains configured correctly yet.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:43 -04:00
Rafał Miłecki
33df85f662 b43: N-PHY: update rev3+ gain control workarounds
This fixes workarounds on rev 6+ and cleans code slightly.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:42 -04:00
Rafał Miłecki
25c1556663 b43: flush some writes on Broadcom MIPS SoCs
Access to PHY and radio registers is indirect on Broadcom hardware and
it seems that addressing on some MIPS SoCs may require flushing. So far
this problem was noticed on 0x4716 SoC only (marketing names: BCM4717,
BCM4718).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:42 -04:00
Rafał Miłecki
d342b95dd7 b43: don't duplicate common PHY read/write ops
Most of the PHYs use the same way of accessing registers, so move that
code to the shared place. An exception is G-PHY which sometimes access
A-PHY regs and requires special handling.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:42 -04:00
Rafał Miłecki
6247d2aa51 b43: update flushing many writes performed in a row
Flush radio writes as well and add some tiny optimizations (e.g.
masksetting PHY reg involves reading it, so reset the counter).

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-08-25 16:00:42 -04:00
Michal Kazior
61e9aab7a1 ath10k: flush hif buffers before recovery
Transport buffers weren't flushed and processed
before queueing hw recovery request to mac80211.

This could in theory result in an unwanted htt/wmi
rx events being processed while mac80211 recovers
the device and possibly interfere or even crash
the system.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:32:28 +03:00
Michal Kazior
53b4e07354 ath10k: remove ar_pci->started
There are basically no more uses for
ar_pci->started. It is also perfectly safe to call
hif_stop without hif_start now.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:32:17 +03:00
Michal Kazior
cf5dd36d96 ath10k: ignore ar_pci->started in pipe cleanup
Structures used by these functions are now
guaranteed to remain accessible until driver is
unregistered.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:32:09 +03:00
Michal Kazior
10d23db44a ath10k: update comment regarding warm reset
The old comment was a little out of date. HTT Rx
ring is a more relevant problem when stopping
transport layer.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:31:58 +03:00
Michal Kazior
728f95eef5 ath10k: rework posting pci rx buffers
It was possible on a host system running low on
memory to end up with no rx buffers on pci pipes.

This makes the driver more robust as it won't fail
to start if it can't allocate all rx buffers right
away. If it is fatal then upper layers will notice
trouble anyway.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:31:47 +03:00
Michal Kazior
5c771e7454 ath10k: remove early irq handling
It's not really necessary to have a dedicated irq
handler just for the sake of catching early fw
crashes anymore. It is now safe to use one handler
even during early stages of device boot up.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:29:49 +03:00
Michal Kazior
ec5ba4d3b6 ath10k: make sure to really disable irqs
This fixes two corner cases.

One is a race between disabling copy engine
interrupts and unhandled pending interrupts on the
host. This could end up with a runaway tasklet and
consequently memory leak of a few copy engine
rx buffers.

The other one is an unexpected (and non-maskable
via device CSR) MSI fw indication interrupt during
teardown. This could trigger the same problem as
the first corner case.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:28:56 +03:00
Michal Kazior
145cc1214a ath10k: split ce irq/handler setup
It doesn't make much sense to overwrite send_cb
and recv_cb callbacks over and over again whenever
transport starts. Just make sure to unmask copy
engine interrupts when starting.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:28:42 +03:00
Michal Kazior
403d627be9 ath10k: setup irq method in probe
It doesn't make sense to re-init irqs completely
whenever transport is started/stopped. Do it just
once upon probing/removing.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:28:33 +03:00
Michal Kazior
c947a9e1c7 ath10k: fix legacy irq workaround
Wrong register was being set up. This could
prevent firmware from booting in some rare cases
when using legacy interrupts.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:28:26 +03:00
Michal Kazior
8079de0dae ath10k: move fw init print
Firmware probing is done only once when driver is
registered and firmware version is guaranteed to
remain the same until driver is unregistered.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:28:13 +03:00
Kalle Valo
8a0c797edb ath10k: print more driver info when firmware crashes
Sometimes users forget to include important info like firmware version,
so better to print all the info.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:24:04 +03:00
Kalle Valo
0e9848c0ec ath10k: rename ath10k_pci_hif_dump_area() to ath10k_pci_fw_crashed_dump()
Better to have a clear name for the function. While at it, clear up the title
for the register dump.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:23:55 +03:00
Ben Greear
384914b2e5 ath10k: provide firmware crash info via debugfs
Store the firmware registers and other relevant data to a firmware crash dump
file and provide it to user-space via debugfs. Should help with figuring out
why the firmware crashed.

kvalo: remove dbglog support, rework and refactor the code to avoid ifdefs and
otherwise simplify it as well

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:23:24 +03:00
Kalle Valo
3d29a3e042 ath10k: add ath10k_pci_diag_* helpers
ath10k_pci_diag_read32() is for reading u32 from a device and ath10k_pci_diag_read_hi()
is a helper for reading data using "host interest" table.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:23:16 +03:00
Michal Kazior
7a7b373288 ath10k: fix a conflict bug in wmi service bitmap
Service mapping for main firmware branch was incorrectly used for 10.x firmware
and vice-versa.  This caused wmi_services in debugfs to print wrong values.

This fixes commit cff990ce7ddd6 ("ath10k: fix wmi service bitmap debug") where
for some reason there was either a conflict that wasn't resolved properly or
git had a bad day.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:21:49 +03:00
Hans Wennborg
10d4987897 ath6kl: fix %d confusingly prefixed with 0x in format strings
Signed-off-by: Hans Wennborg <hans@hanshq.net>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-25 11:20:30 +03:00
Linus Torvalds
a11c5c9ef6 PCI changes for the v3.17 merge window (part 2):
Miscellaneous
     - Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
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Merge tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull DEFINE_PCI_DEVICE_TABLE removal from Bjorn Helgaas:
 "Part two of the PCI changes for v3.17:

    - Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)

  It's a mechanical change that removes uses of the
  DEFINE_PCI_DEVICE_TABLE macro.  I waited until later in the merge
  window to reduce conflicts, but it's possible you'll still see a few"

* tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
2014-08-14 18:10:33 -06:00
David S. Miller
a61ebdfdb1 Merge tag 'master-2014-08-14' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:

====================
pull request: wireless 2014-08-14

Please pull this batch of fixes intended for the 3.17 stream...

Arend van Spriel brings two brcmfmac fixes, one which fixes a memory
leak and one which corrects some merge damage.

Emmanuel Grumbach fixes Linus's iwlwifi firmware-related log spam.

Rickard Strandqvist does some proper NULL termination after a call
to strncpy.

Ronald Wahl corrects a carl9170 problem with sending URBs with the
wrong endpoint type (resulting in log spam).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-08-14 15:17:37 -07:00
Emmanuel Grumbach
77b2f28659 iwlwifi: mvm: disable scheduled scan to prevent firmware crash
There are firmwares which don't support scheduled scan.
Disable it for now.
Linus's system encoutered this issue.
Thanks to David Spinadel for his help.

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-08-14 19:47:41 +03:00
Simon Wunderlich
804eef1479 ath10k: unregister spectral before mac
If spectral is unregistered after mac80211, the relayfs file has already
been removed recursively by mac/cfg80211, and spectral tries to remove
the file once more, thus leading to double free problems. Better clean
up spectral before to avoid that problem.

Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-14 15:42:17 +03:00
Srinivas Kandagatla
beb4be849a ath6kl: Add SDIO device ID for QCA6234X Support
This patch adds device ID 402 to support QCA6234X found in APQ8064 SOC
in IFC6410 board.

Tested with mainline mmci sdio driver.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-14 15:26:15 +03:00
Ben Greear
f2bc4d203e ath10k: fix typo in error message
tranmist -> transmit

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-14 15:22:53 +03:00
Ben Greear
a9aefb3b37 ath10k: improve vdev map handling
Check vdev map has space before calling ffs,
fix invalid cleanup in failure to create vdev
case.

Open-code the BIT() logic since BIT does not properly
handle 64-bit bitfields and future patches will make
use of larger bitfields.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-14 15:17:32 +03:00
Linus Torvalds
f0094b28f3 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:
 "Several networking final fixes and tidies for the merge window:

   1) Changes during the merge window unintentionally took away the
      ability to build bluetooth modular, fix from Geert Uytterhoeven.

   2) Several phy_node reference count bug fixes from Uwe Kleine-König.

   3) Fix ucc_geth build failures, also from Uwe Kleine-König.

   4) Fix klog false positivies when netlink messages go to network
      taps, by properly resetting the network header.  Fix from Daniel
      Borkmann.

   5) Sizing estimate of VF netlink messages is too small, from Jiri
      Benc.

   6) New APM X-Gene SoC ethernet driver, from Iyappan Subramanian.

   7) VLAN untagging is erroneously dependent upon whether the VLAN
      module is loaded or not, but there are generic dependencies that
      matter wrt what can be expected as the SKB enters the stack.
      Make the basic untagging generic code, and do it unconditionally.
      From Vlad Yasevich.

   8) xen-netfront only has so many slots in it's transmit queue so
      linearize packets that have too many frags.  From Zoltan Kiss.

   9) Fix suspend/resume PHY handling in bcmgenet driver, from Florian
      Fainelli"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (55 commits)
  net: bcmgenet: correctly resume adapter from Wake-on-LAN
  net: bcmgenet: update UMAC_CMD only when link is detected
  net: bcmgenet: correctly suspend and resume PHY device
  net: bcmgenet: request and enable main clock earlier
  net: ethernet: myricom: myri10ge: myri10ge.c: Cleaning up missing null-terminate after strncpy call
  xen-netfront: Fix handling packets on compound pages with skb_linearize
  net: fec: Support phys probed from devicetree and fixed-link
  smsc: replace WARN_ON() with WARN_ON_SMP()
  xen-netback: Don't deschedule NAPI when carrier off
  net: ethernet: qlogic: qlcnic: Remove duplicate object file from Makefile
  wan: wanxl: Remove typedefs from struct names
  m68k/atari: EtherNEC - ethernet support (ne)
  net: ethernet: ti: cpmac.c: Cleaning up missing null-terminate after strncpy call
  hdlc: Remove typedefs from struct names
  airo_cs: Remove typedef local_info_t
  atmel: Remove typedef atmel_priv_ioctl
  com20020_cs: Remove typedef com20020_dev_t
  ethernet: amd: Remove typedef local_info_t
  net: Always untag vlan-tagged traffic on input.
  drivers: net: Add APM X-Gene SoC ethernet driver support.
  ...
2014-08-13 18:27:40 -06:00
Benoit Taine
9baa3c34ac PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines.  This issue was reported by checkpatch.

A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):

// <smpl>

@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@

- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;

// </smpl>

[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2014-08-12 12:15:14 -06:00
Michal Kazior
b7967dc79f ath10k: remove htc->stopped
This is not necessary anymore. There are no more
uncontrolled htc tx entry points.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-12 10:55:01 +03:00
Michal Kazior
2986e3efb8 ath10k: group some pci probing helpers
Make probe/remove functions shorter and easier to
understand.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-12 10:54:38 +03:00
Michal Kazior
0edf2577a5 ath10k: remove pci features var
The ATH10K_PCI_FEATURE_MSI_X was originally
introduced to support both chips QCA988Xv1 and
QCA988Xv2. Since v1 isn't supported anymore it
doesn't make sense to keep the feature flag
around. Since this is the last one remove the
whole thing.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-12 10:54:21 +03:00
Michal Kazior
c0c378f990 ath10k: remove target soc ps code
The soc powersave was disabled by default. It
never was fully tested. Some hw apparently had
problems with it and the implementation itself had
a possible race.

Just remove the refcounting and simply wake up the
device when probing and put to sleep when
removing.

kvalo: make ath10k_pci_wake() and _sleep() static

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2014-08-12 10:54:05 +03:00