mac80211: introduce flush operation

We've long lacked a good confirmation that frames
have really gone out, e.g. before going off-channel
for a scan. Add a flush() operation that drivers
can implement to provide that confirmation, and use
it in a few places:
 * before scanning sends the nullfunc frames
 * after scanning sends the nullfunc frames, if any
 * when going idle, to send any pending frames

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: add ieee80211_sdata_running

Instead of always using netif_running(sdata->dev)
use ieee80211_sdata_running(sdata) now which is
just an inline containing netif_running() for now.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rtl8187: remove priv->mode

It is checked in add_interface, but there it is easily replaced with
a check of priv->vif.  If that information should become necessary,
it is available in vif->type anyway.

It is also checked in led_turn_on and led_turn_off, where I made the
substitutions as described above.  Of course, these checks seem to
have been incorrect since the driver was using NL80211_IFTYPE_MONITOR
to indicate no interface rather than NL80211_IFTYPE_UNSPECIFIED.
Anyway, I think these checks may be extraneous...?

Signed-off-by: John W. Linville <linville@tuxdriver.com>

rtl8180: remove priv->mode

It is only checked in add_interface, and there it is easily replaced
with a check of priv->vif.  If that information should become necessary,
it is available in vif->type anyway.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Cleanup chip handling helper functions.

Let each of them take a struct rt2x00_dev pointer as argument instead of
a mixture of struct rt2x00_chip and struct rt2x00_dev pointers.
Preparation for further clean ups in the rt2x00 chip handling, especially
for rt2800 devices.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: convert RT2800PCI_PCI and RT2800PCI_SOC Kconfig symbols to booleans.

There is no need for Kconfig symbols RT2800PCI_PCI and RT2800PCI_SOC to be
tristates, as they are only used to check whether RT2800 PCI or SOC support
is to be compiled in.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Let rt2800lib check CONFIG_RT2X00_LIB_USB instead of CONFIG_RT2800USB

rt2800lib currently checks whether RT2800USB is enabled in the configuration.
Strictly speaking this is not necessary, it only needs to know whether the
generic rt2x00usb library functions are available. Therefore check for
RT2X00_LIB_USB instead.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Fix checks for rt2800 SOC support.

Fix checking for SOC support in rt2800pci. The wrong config (an unexisting
one) was checked.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wireless: remove CONFIG_WIRELESS_OLD_REGULATORY

This is no longer needed with the availability of
CONFIG_CFG80211_INTERNAL_REGDB.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Prevent performing "join" before association

There is a minor bug in the code causing a "join" to be performed before
there is an intention to associate. Fix this.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Check vif for NULL when indicating beacon-loss

Because the interface is started and the vif are created and destroyed
separately, there is a slim possibility beacon-loss indications occur while
there is no vif - causing a kernel-oops unless checked.

Add checking for the vif.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Add support for acx_pm_config

This acx configures host clock parameters in correspondence with the clock
request line - the settling time of the clock, and whether fast wake-up is
supported.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Change booleans in struct wl1271 into a flags bitmask

For cleaner implementation, change the bunch of booleans in the struct wl1271
structure into a flags bitmask.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Fix supported rate management

Previously, only basic rates were used for data transmission - resulting in
reduced transfer rates. This patch takes enables the firmware to take advantage
of the full set of data rates supported by the AP.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Change rates configured for templates

Previously a "firmware chooses" value was used for the rates of all control
message templates set to the firmware. This resulted in a too high rate to be
chosen to transmit those messages. Change this by configuring a fixed low rate
for the templates.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Add rudimentary ad-hoc support

This patch adds rudimentary a-hoc support for the driver. It will allow
setting up ad-hoc, and for other devices to scan and join. The beacon and probe
response template setting is slightly dirty, and need to be properly
implemented with support from mac80211. Also, the SSID is not configured to the
firmware - the FW will not be able to respond to probe requests autonomously.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Remove beacon-loss-ind from PSM entry failure handling

Remove the beacon-loss indication to stack from PSM entry failure handling -
this will cause more problems than it will solve due to the design of the
mac80211.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Add pre-power-on sleep

This patch adds a short delay before powering on the wl1271. Normally, it is
not needed, but if the wl1271 has been powered off shortly before, for reliable
firmware-booting this small stabilization delay is required.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Implement chipset boot retry

The wl1271 has a hardware bug which causes it to randomly (very infrequently)
to fail powering up properly. This patch implements retry for the chipset boot
sequence, to work around the hardware problem.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: prevent power save entry while not associated

The mac80211 sometimes requests power save entry while not associated - this
will cause problems, so prevent it if not associated. Go to powersave once
association is complete.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Fix event acknowledging functionality

In reference source, events are acknowledged separately - fix the driver to
do the same.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Use slow rates for association messages

While not associated, default the data rates to 1 and 2mbps, so that only
those rates will be used for association related message transfer. Once
associated, configure the full rate-set supported by the AP.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Remove smart reflex ACX

Remove the smart-reflex ACX - the associated parameters are now configured
in the radio parameters config.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: Configure smart-reflex paramter values.

Configure correct values to be used with the smart-reflex configuration of the
firmware.

Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: use channel 1 when configuring the data path

In the data path configuration, one of the parameters is the channel.  We
have been setting it to wl->channel, which is not correct in this case.  This
channel has nothing to do with the channel we're currently tuned to, since it
is only used for calibration during this phase.  Hardcoded the channel to 1,
according to the reference driver.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: some new configuration values according to new reference

In the new reference driver, some of the firmware configuration values have
been changed.  This patch changes them in the wl1271 driver accordingly.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: upload only the first 468 bytes from the NVS file

We were uploading the whole NVS file, but that is wrong, because the same
file also contains the initialization values.  For the latest firmwares, we
should upload only the initial 468 bytes from the file.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: add gpio_power file in debugfs to power the chip on and off

Some debugging tools require the chip to be powered on before they can work.
With these tools, we shouldn't upload the firmware nor boot the firmware
ourselves, so this debufs file is provided.  It always contains the gpio
power setting (0 = off, 1 = on).  To change the power setting, just write 0
or 1 to the file.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: fix one typo in the rx_rssi_and_proc_compens values

There was a typo in one of the values in the rx_rssi_and_proc_compens elemt
of the Radio Parameters struct.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: implement dco itrim parameters setting

Newer firmwares require the dco itrim parameters to be set during
initialization.  This patch implements the new ACX function and calls it.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: use the correct macro when setting the basic rates

We were using CONF_TX_RATE_MASK_ALL when calling wl1271_acx_rate_policies()
during init.  We should use WL1271_DEFAULT_BASIC_RATE_SET instead.  The
values are the same, but the latter is just the correct macro to use.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: set null data template when BSSID is known

The call to wl1271_cmd_build_null_data() was missing when we got associated,
this was causing PS to fail.  This patch adds the call and now PS seems to
work.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: check result code from the join command

We were not checking the return value from the call to wl1271_cmd_join().
Added a check to make things more reliable.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: limit TX power to 25dBm for every channel

The wl1271 firmware supports maximun 25.5dBm, so the driver was returning
-EINVALID to anything above that.  This patch uses the channel max_power
option to limit the TX power to 25dBm.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: remove workaround for disconnection

Now we're using a the idle information coming from mac80211 to decide when to
disconnect.  If we have joined (ie. we're listening to a channel), whenever
the interface goes to idle, we will issue a disconnect command.  So the
workaround to send a disconnect command before joining is not needed anymore.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: use join command with dummy BSSID

When we need to change the channel before association, we have to send a join
command with a valid BSSID.  With this patch we use 0baddeadbeef as the
BSSID.  There are ongoing discussions with TI to get this done in a cleaner
way.

When we go back to idle, we issue a CMD_DISCONNECT to make sure the firmware
stops listening to the channel and cleans things up internally.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: added radio parameters configuration values newer firmwares

Add new radio parameters for new structures based on firmware revision
6.1.0.0.288.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: update radio and general parameters values

There were some changes in the values we have to use for these settings.  This
patches updates them.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: updated general parameters structure for newer firmwares

In revision 6.1.0.0.288 the general parameters structure has changed.  This
patch updates the driver code accordingly.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wl1271: updated radio parameters structure for newer firmwares

In revision 6.1.0.0.288 the radio parameters structure has changed.  This
patch updates the driver code accordingly.

Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

b43: Allow PIO mode to be selected at module load

If userencounter the "Fatal DMA Problem" with a BCM43XX device, and
still wish to use b43 as the driver, their only option is to rebuild
the kernel with CONFIG_B43_FORCE_PIO. This patch removes this option and
allows PIO mode to be selected with a load-time parameter for the module.
Note that the configuration variable CONFIG_B43_PIO is also removed.

Once the DMA problem with the BCM4312 devices is solved, this patch will
likely be reverted.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: John Daiker <daikerjohn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: remove duplicate local per-vif copy of ieee80211_bss_conf

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: remove unused mwl8k_vif::priv

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: fix up AP vs. STA firmware image receive descriptor handling

The receive descriptor ops that are currently marked as being for
8687 only are actually used for all STA firmware images, whereas the
receive descriptor ops marked as 8366 are only used on 8366 when an
AP firmware image is in use.

Rename the receive descriptor ops to reflect this, use the STA ops
unconditionally if the firmware image loaded reported the STA ready
code, and rename the mwl8k_device_info::rxd_ops member to ap_rxd_ops
to indicate that it should only be used if we are running on AP
firmware.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: do rx/tx ring initialisation after loading firmware

Whether the firmware we have loaded is AP or STA firmware decides
which receive descriptor format we have to use.  Therefore, move
rx/tx ring initialisation to be after firmware loading.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: get rid of the struct mwl8k_firmware abstraction

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: add 2.4GHz channels 12, 13 and 14

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: initialize the mwl8k_info_tbl table using the MWL* enums

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: inline qos field manipulation functions

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: get rid of the AMSDU check in the transmit path

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: hw is never NULL in mwl8k_set_radio_preamble()

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mwl8k: firmware command code cleanup

Sort firmware commands by command code, get rid of the 802_11 substring
in all command names, and make sure that the command functions match the
firmware command names.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

Merge git://git./linux/kernel/git/linville/wireless-2.6

ath9k: Fix TX poll routine

Disable the TX hang monitoring routine when doing a scan.
Monitoring for a hung situation is not really necessary during
a scan run.

Cc: stable@kernel.org
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

ath9k: Remove ANI lock

Cancel/restart the ANI timer directly.
With this patch, the ANI lock can be removed.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

ath9k: Clarify Interrupt mitigation

ath9k currently supports only RX interrupt
mitigation.

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: Constify struct iwl_ops

Signed-off-by: Emese Revfy <re.emese@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: use new mac80211 SMPS

Instead of hard-coding the SM PS mode per hardware,
this makes iwlwifi support the new mac80211 API for
controlling the SM PS mode.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

zd1211rw: improve ejecting of fake CDROM

The zd1211rw always assumed that the storage device is at endpoint 1,
but there are devices (Spairon Homelink 1202) that are at endpoint 0.
Try both, starting with 1 to make sure to not break existing setups.

Signed-off-by: Stefan Seyfried <seife@sphairon.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

ar9170usb: add Sphairon Homelink 1202 USB ID

Signed-off-by: Stefan Seyfried <seife@sphairon.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: only bother printing highest data rate on debugfs if its set

IEEE-802.11n spec says the RX highest data rate field does
not specify the highest supported RX data rate if its not set.
Ignore it if not set then. Refer to section 7.3.56.4

Cc: johannes@sipsolutions.net
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: parse the HT capabilities info through debugfs

When debugging you want to be lazy and not have to parse
bits yourself so let mac80211 debugfs do the parsing for you.

This is what I get against my WRT610N:

root@tux:~# cat /sys/kernel/debug/ieee80211/phy0/stations/00\:22\:6b\:aa\:bb\:01/ht_capa
ht supported
cap: 0x000e
HT20/HT40
SM Power Save disabled
No RX STBC
Max AMSDU length: 7935 bytes
No DSSS/CCK HT40
ampdu factor/density: 2/6
MCS mask: ff ff 00 00 00 00 00 00 00 00
MCS rx highest: 0
MCS tx params: 0

Cc: johannes@sipsolutions.net
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: make debugfs mcs set entry reflect 16 bits

The MCS set is 16 bits so when debugging ensure the full 16 bits
are represented. Current reading would make you think its only
8 bits.

Cc: johannes@sipsolutions.net
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

ath9k: add MCS rate index back to debufs rcstat

Speaking of 802.11n rates in terms of Mbps doesn't really developers
and is just useful for users. To aid debugging add the MCS index back
and an HT20/HT40 mode.

New screenshot:

    HT    MCS   Rate    Success    Retries   XRetries        PER
                6.0:          0          0          0          0
                9.0:          0          0          0          0
               12.0:         26        260          0         49
               18.0:         80        804          2         58
               24.0:          0          0          0          0
               36.0:          0          0          0          0
               48.0:          0          0          0          0
               54.0:          0          0          0          0
  HT20      0   6.5:       1368      13660          0         48
  HT20      1  13.0:          0          0          0          0
  HT20      2  19.5:          0          0          0          0
  HT20      3  26.0:          0          0          0          0
  HT20      4  39.0:          0          0          0          0
  HT20      5  52.0:         55        578         14         43
  HT20      6  58.5:         29        306          8         69
  HT20      7  65.0:         21        210          0         67
  HT20      8  13.0:         21        210          0         56
  HT20      9  26.0:          0          0          0          0
  HT20     10  39.0:          0          0          0          0
  HT20     11  52.0:          0          0          0          0
  HT20     12  78.0:          0          0          0          0
  HT20     13 104.0:          0          0          0          0
  HT20     14 117.0:          0          0          0          0
  HT20     15 130.0:         27        290         10         55
  HT40      0  13.5:         79        687         16         17
  HT40      1  27.5:         60        409         10         17
  HT40      2  40.5:         56        381         21         25
  HT40      3  54.0:         44        302         21         18
  HT40      4  81.5:         19        171          2         14
  HT40      5 108.0:          0          0          0          0
  HT40      6 121.5:          0          0          0          0
  HT40      7 135.0:          0          0          0          0
  HT40      7 150.0:          0          0          0          0
  HT40      8  27.0:          0          0          0          0
  HT40      9  54.0:          0          0          0          0
  HT40     10  81.0:          0          0          0          0
  HT40     11 108.0:         11        100          0         18
  HT40     12 162.0:         23        200          0         22
  HT40     13 216.0:         61        580          0         35
  HT40     14 243.0:         37        271          0         66
  HT40     15 270.0:         65        217          2         73
  HT40     15 300.0:          0          0          0          0

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211_hwsim: Check all local addresses for TX Ack status

Since mac80211_hwsim supports multiple virtual interfaces, we need to
iterate through all active interfaces when figuring out whether there
is a match during TX Ack status checking. This fixes TX status
reporting for cases where secondary interfaces are used.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: disallow fixing bitrates with hw rate control

When hw rate control is used, these parameters have
no meaning because the hardware cannot get at them
right now, so disallow setting them. Also clean up
the function a bit.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwmc3200wifi: Avoid an offset calculation for each management frame.

Determine the offset at compile time.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: remove priv->ratebitmap

Used to be a write-only-variable :-)

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: remove priv->capability

This variable was once set to WLAN_CAPABILITY_SHORT_PREAMBLE and
there's no code that could change the variable to something else.
Therefore it seems this is not necessary :-)

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: make mesh configurable

Mostly for the embedded people that know beforehand that they don't need
MESH at all and want to save some bytes, but also helpful for the upcoming
cfg80211 transition.

   text    data     bss     dec     hex filename
 114264    2308     140  116712   1c7e8 libertas.ko   with mesh
 105026    2000     140  107166   1a29e libertas.ko   without mesh
 --------------------------------------------------
  -9238    -308           -9546

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: add access functions for mesh open/connect status

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: move mesh SSID initialization into mesh.c

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: decouple mesh and rtap

While it's might be technically true that only MESH-enabled firmwares
are also RTAP-enabled, I like to have this decoupled.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: move mesh-related definitions into mesh.h

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: remove mesh_autostart_enabled and sync_channel

mesh_autostart_enabled was nowhere set. Rumor is that this is used in the
OLPC tree, but they never did submit their code upstream.

After removing this code, it turned out that the sync_channel stuff is now
also unused, so get rid of that as well.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

libertas: use priv->mesh_tlv instead of priv->mesh_fw_ver

Both variables contained the same information (no mesh, old mesh, new mesh).
So we can get rid of one variable.

Also move the mesh-version test from cmd.c into mesh.c.

Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: dont try to use existing sta for AP

Clean out some cruft that could use an already existing
sta_info struct -- that case cannot happen. Also, there's
a bug there -- if allocation/insertion fails then it is
possible that we are left in a lingering state where
mac80211 waits for the AP, cfg80211 waits for mac80211,
but the AP has already replied. Since there's no way to
indicate an internal error, pretend there was a timeout,
i.e. that the AP never responded.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

cfg80211: avoid sending spurious deauth to userspace

Before
  commit ca9034592823e8179511e48a78731f95bfdd766c
  Author: Holger Schurig <hs4233@mail.mn-solutions.de>
  Date:   Tue Oct 13 13:45:28 2009 +0200

      cfg80211: remove warning in deauth case

we assumed that drivers never give us spurious deauth
frames because they filter them out based on the auth
state they keep track of. This turned out to be racy,
because userspace might deauth while the AP is also
sending a deauth frame, so the warning was removed.

However, in that case we should not tell userspace
about the AP's frame if it requested deauth "first",
where "first" means it came to cfg80211 first.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: allow disabling 40MHz on 2.4GHz

In some situations it is required that a system be
configured with no support for 40 MHz channels in
the 2.4 GHz band. Rather than imposing any such
restrictions on everybody, allow configuration a
system like that with a module parameter. It is
writable at runtime but only takes effect at the
time of the next association.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211_hwsim: implement ampdu action

Not that we actually ever aggregate anything, but
it could potentially be useful anyhow to simulate
aggregation sessions.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211: enable spatial multiplexing powersave

Enable spatial multiplexing in mac80211 by telling the
driver what to do and, where necessary, sending action
frames to the AP to update the requested SMPS mode.

Also includes a trivial implementation for hwsim that
just logs the requested mode.

For now, the userspace interface is in debugfs only,
and let you toggle the requested mode at any time.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwmc3200wifi: rx aggregation support

When the device receives an A-MSDU frame (indicated by flag
IWM_RX_TICKET_AMSDU_MSK), use ieee80211_amsdu_to_8023s to convert
it to a list of 802.3 frames and handled them to upper layer.

Cc: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Samuel Ortiz <samuel@sortiz.org>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

wireless: add ieee80211_amsdu_to_8023s

Move the A-MSDU handling code from mac80211 to cfg80211 so that more
drivers can use it. The new created function ieee80211_amsdu_to_8023s
converts an A-MSDU frame to a list of 802.3 frames.

Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

mac80211 : fix a race with update_tkip_key

The mac80211 tkip code won't call update_tkip_key, if rx packets
are received without KEY_FLAG_UPLOADED_TO_HARDWARE. This can happen on
first packet because the hardware key stuff is called asynchronously with
todo workqueue.

This patch workaround that by tracking if we sent the key to the driver.

Signed-off-by: Gregor Kowski <gregor.kowski@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Fix trimming of L2 padded frames.

Ensure that frames without payload are properly trimmed in
rt2x00queue_insert_l2pad.

This should fix the bug reported by Benoit Papillault in:
http://marc.info/?l=linux-wireless&m=125974773006734&w=2

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Fix rt2800usb RX frame format and as such L2PAD

According to Ralink source code, the RX frame format is RXINFO + RXWI +
802.11 frame + RXD, including various padding. Before this patch, we
were using RXD + RXWI + 802.11 frame, so RXD was not correct.

Doing this, we fix the L2PAD bit which is now correctly set on received
frames.

Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Disable RX aggregation for rt2800usb

RX aggregation is a way to receive multiple 802.11 frames in one RX buffer.
However, we don't know yet how to handle this case in rt2800usb_fill_rxdone
and this has probably no impact on RX performance as well, so we disable it

Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Only remove L2 padding in received frames if there is payload.

L2 padding will only be present when there is actual payload present.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Reorganize L2 padding inserting function.

Simplify the rt2x00queue_insert_l2pad function by handling the alignment
operations one by one. Do not special case special circumstances.
Basically first perform header alignment, and then perform payload alignment
(if any payload does exist). This results in a properly aligned skb.

The end result is better readable code, with better results, as now L2 padding
is inserted only when a payload is actually present in the frame.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Remove SKBDESC_L2_PADDED flag.

With the improved L2 padding code, this flag is no longer necessary, as the
rt2x00queue_remove_l2pad is capable of detecting by itself if L2 padding is
applied.
For received frames the RX descriptor flag is still being checked.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00: Further L2 padding fixes.

Fix a couple of more bugs in the L2 padding code:
1. Compute the amount of L2 padding correctly (in 3 places).
2. Trim the skb correctly when the L2 padding has been applied.

Also introduce a central macro the compute the L2 padding size.

Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00 : trim the skb after having the l2pad removed.

Otherwise we end up truncating the skb before removing the l2pad
thus we might have the truncated part become garbage while getting
it back in remove_l2pad.
For the same issue: remove the skb_trim from the rt2800 fill_rxdone
(it is done after l2pad removal in rt2x00lib_rxdone).

Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00 : avoid timestamp for monitor injected frame.

Do not include timestamp for a frame that has been injected
 through a monitor interface.

Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00 : modify padding location.

The padding is to be added between header and payload for the only header need
padding case.

Signed-off-by: Benoit PAPILLAULT <benoit.papillault@free.fr>
Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt2x00 : bail out of regbusy_read if device is removed.

platform rfkill is async thus we may try to read while the device is
already off.

Signed-off-by: Alban Browaeys <prahal@yahoo.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

rt73usb: add WLI-U2-H54HP

Signed-off-by: Kenichi HORIO <moattailk1@gmail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <ivdoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: remove extra error msg on sensitivity calibration

Do not need to log error when fail the sensitivity command, driver will send
sensitivity write command to uCode after each sensitivity calibration if
station is associated with AP. It is a normal case when user unload the module
or shutdown the system while still associated with the AP, since uCode already
on the way down, it will not reply the sensitivity write request; report
error in this case will give misleading information, remove the error checking
here to provide a clean shutdown if no other error detected.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: on-screen event log dump

This feature enables the on-screen uCode event log dump. The original
method will append the event log to syslog; with this capability,
we also enable the user to write script to capture the
events which provide additional flexibility to help uCode debugging

Method
1) change to debugfs directory (sys/kernel/debug/phyX/iwlagn/data)
2) #cat log_event

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: add continuous uCode event log capability

In order to help uCode debugging, adding the capability to provide
continuous uCode event logging function.

uCode events is located in round-robin event queue and filled by uCode,
by enable continuous event logging, driver check the write pointer
and log the newly added events in iwl_bg_ucode_trace() timer function.

There is still possibility of missing events if event queue being
wrapped before next event dump; but with this capability, we can have
much better understanding of the uCode behavior during runtime; it can
help to debug the uCode related issues.

Methods to enable/disable the continuous event log:
step 1: enable ucode trace timer
     "echo 1 >
/sys/kernel/debug/ieee80211/phyX/iwlagn/debug/ucode_tracing"
step 2: start ftrace
     sudo ./trace-cmd record -e iwlwifi_ucode:* sleep 1d
step 3: stop ftrace
     sudo ./trace-cmd report trace.dat
step 4: disable ucode trace timer
     "echo 0 >
/sys/kernel/debug/ieee80211/phyX/iwlagn/debug/ucode_tracing"

use "ucode_tracing" debugfs file to display number of event
queue wrapped when driver attempt the continuous event logging. If event
queue being wrapped more than once when driver has opportunity to log
the event; it indicated there are events missing in the event log trace.

This continuous event log function only available for 4965 and newer
NICs.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

iwlwifi: dump "Control and Status Register" when detect uCode HW/SW error

When uCode HW/SW error detected, dumping important CSR (Control and Status
Registers) values.
Also add "csr" debugfs file to dump the current values of CSR defined in
CSR table to syslog.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>