openwrt/staging/blogic.git
14 years agob43: N-PHY: implement chain selection
Rafał Miłecki [Sun, 17 Jan 2010 12:03:55 +0000 (13:03 +0100)]
b43: N-PHY: implement chain selection

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement stopping playback
Rafał Miłecki [Sun, 17 Jan 2010 12:03:48 +0000 (13:03 +0100)]
b43: N-PHY: implement stopping playback

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement MIMO config update
Rafał Miłecki [Sun, 17 Jan 2010 12:03:40 +0000 (13:03 +0100)]
b43: N-PHY: implement MIMO config update

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement TX PHY cleanup and setup
Rafał Miłecki [Sun, 17 Jan 2010 12:03:32 +0000 (13:03 +0100)]
b43: N-PHY: implement TX PHY cleanup and setup

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement RX PHY cleanup and setup
Rafał Miłecki [Sun, 17 Jan 2010 12:03:28 +0000 (13:03 +0100)]
b43: N-PHY: implement RX PHY cleanup and setup

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: re-enable re-transmission of filtered frames
Johannes Berg [Sun, 17 Jan 2010 00:47:59 +0000 (01:47 +0100)]
mac80211: re-enable re-transmission of filtered frames

In an earlier commit,

    mac80211: disable software retry for now

    Pavel Roskin reported a problem that seems to be due to
    software retry of already transmitted frames. It turns
    out that we've never done that correctly, but due to
    some recent changes it now crashes in the TX code. I've
    added a comment in the patch that explains the problem
    better and also points to possible solutions -- which
    I can't implement right now.

I disabled software retry of failed/filtered frames
because it was broken. With the work of the previous
patches, it now becomes fairly easy to re-enable it
by adding a flag indicating that the frame shouldn't
be modified, but still running it through the transmit
handlers to populate the control information.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: move control.hw_key assignment
Johannes Berg [Sun, 17 Jan 2010 00:47:58 +0000 (01:47 +0100)]
mac80211: move control.hw_key assignment

When mac80211 asks a driver to encrypt a frame, it
must assign the control.hw_key pointer for it to
know which key to use etc. Currently, mac80211 does
this whenever it would software-encrypt a frame.

Change the logic of this code to assign the hw_key
pointer when selecting the key, and later check it
when deciding whether to encrypt the frame or let
it be encrypted by the hardware. This allows us to
later simply skip the encryption function since it
no longer modifies the TX control.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: remove useless setting of IEEE80211_TX_INTFL_DONT_ENCRYPT
Johannes Berg [Sun, 17 Jan 2010 00:47:57 +0000 (01:47 +0100)]
mac80211: remove useless setting of IEEE80211_TX_INTFL_DONT_ENCRYPT

There's no value in setting a flag that will
never be checked after this point, this seems
to be legacy code -- I think previously the
flag was used to check whether to encrypt the
frame or not. Now, however, the flag need not
be set, and setting it actually interferes if
the frame will be processed again later.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: clear TX control on filtered frames
Johannes Berg [Sun, 17 Jan 2010 00:47:56 +0000 (01:47 +0100)]
mac80211: clear TX control on filtered frames

When an skb survived a round-trip through the driver
and needs to be re-used, its control information is
definitely not valid any more, the driver will have
overwritten it.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: move and rename misc tx handler
Johannes Berg [Sun, 17 Jan 2010 00:47:55 +0000 (01:47 +0100)]
mac80211: move and rename misc tx handler

This TX handler is used only for assigning the
station pointer in the control information, so
give it a better name. Also move it before rate
control.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: pid: replace open-coded msecs_to_jiffies
Bob Copeland [Sat, 16 Jan 2010 19:36:53 +0000 (14:36 -0500)]
mac80211: pid: replace open-coded msecs_to_jiffies

Code directly scaling by HZ and rounding can be more efficiently
and clearly performed with msecs_to_jiffies.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: update copyright year to 2010
Reinette Chatre [Fri, 15 Jan 2010 21:43:41 +0000 (13:43 -0800)]
iwlwifi: update copyright year to 2010

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: remove extra statistics request from debugfs
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:40 +0000 (13:43 -0800)]
iwlwifi: remove extra statistics request from debugfs

When reading current ucode statistics information from debugfs, in
current implementation, it will always send a new "statistics request" to
uCode. In normal operation, uCode should report the statistics per beacon
interval. Remove this extra request to reduce the additional command exchanges
between driver and uCode.

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>
14 years agoiwlwifi: display flowhandler register when sw error or on-demand
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:39 +0000 (13:43 -0800)]
iwlwifi: display flowhandler register when sw error or on-demand

Flowhandler handle the communication between driver and uCode, when any
uCode error happen, we also like to know what is the status of the
flowhandler; it can help to debug flowhandler related problem.

Also adding debugfs file to dump current value of flowhandler registers.

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>
14 years agoiwlwifi: software w/a for h/w bug cause Rx bit get clear
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:38 +0000 (13:43 -0800)]
iwlwifi: software w/a for h/w bug cause Rx bit get clear

This is a w/a for a hardware bug. the h/w bug may cause the Rx bit
(bit 15 before shifting it to 31) to clear when using interrupt coalescing.

This does not mean frames are lost - their processing is just delayed until
next interrupt arrives.

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>
14 years agoiwlwifi: set interrupt coalescing timer range and default
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:37 +0000 (13:43 -0800)]
iwlwifi: set interrupt coalescing timer range and default

For interrupt coalescing timer, the CSR_INT_COALESCING is an 8 bit
register in 32-usec unit, the range can go from 0x00 - 0xFF. set the
range and default timeout value for both calibration mode and operation mode.

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>
14 years agoiwlwifi: correct return code for log_event
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:36 +0000 (13:43 -0800)]
iwlwifi: correct return code for log_event

When dumping event log in debugfs, iwl_dump_nic_event_log()
should return the correct error code instead of let the calling
function makes it own assumption.

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>
14 years agoiwlwifi: add num_of_sos_stats to statistics counter
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:35 +0000 (13:43 -0800)]
iwlwifi: add num_of_sos_stats to statistics counter

When uCode detects number of beacon missed consecutively above the
internal missed beacon threshold (set by uCode), it will reset and
re-tune the radio in order to get out of bad PHY state.

This "num_of_sos_states" counter monitors number of time uCode
encounters this bad condition and has to re-tune the radio.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: format and show statistics counter from uCode
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:34 +0000 (13:43 -0800)]
iwlwifi: format and show statistics counter from uCode

To help debug uCode related problem, adding "delta" and "max"
information in debugfs statistics counters display.

Those information show the delta between two statistics report from
uCode, user can monitor the counters for any "un-normal" behavior.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Jay Sternberg<jay.e.sternberg@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: fix clear statistics counter command
Wey-Yi Guy [Fri, 15 Jan 2010 21:43:33 +0000 (13:43 -0800)]
iwlwifi: fix clear statistics counter command

When receive reply statistics command with "clear" mask, just reset the
accumulated statistics counters, but not the current statistics counters,
so the accumulated statistics counter can provide the correct
information.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: fix WMM AC default for non-QoS data frames
Felix Fietkau [Tue, 12 Jan 2010 03:08:26 +0000 (04:08 +0100)]
mac80211: fix WMM AC default for non-QoS data frames

The WMM AC selection added to the monitor mode selection function
accidentally assigns non-QoS data frames to the same AC as mgmt frames
(VO). This is not serious, but should be fixed anyway. This patch
assigns them to the BE AC instead.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
John W. Linville [Tue, 19 Jan 2010 20:58:41 +0000 (15:58 -0500)]
Merge git://git./linux/kernel/git/linville/wireless-2.6

14 years agozd1211rw: adding 0409:0248 to supported device list
Hin-Tak Leung [Mon, 18 Jan 2010 01:24:11 +0000 (01:24 +0000)]
zd1211rw: adding 0409:0248 to supported device list

Yasuhiro ABE <yadiary@gmail.com> reported success in sourceforge zd1211-dev list.
The device is a NEC Aterm WL54GU usb wireless stick.

The brand and retail product name
    NEC, Aterm PA-WL54GU
The USB ID's (duh)
    ID 0409:0248
The chip ID string
    zd1211rw 1-1:1.0: zd1211b chip 0409:0248 v4810 high 00-1b-8b AL2230S_RF pa0 g--N-
The FCC ID
    unknown

Signed-off-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Yasuhiro ABE <yadiary@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agop54pci: rx frame length check
Christian Lamparter [Sun, 17 Jan 2010 23:07:38 +0000 (00:07 +0100)]
p54pci: rx frame length check

A long time ago, a user reported several crashes due to
data corruptions which are likely the result of a
not-100%-supported, or faulty? PCI bridge.
( http://patchwork.kernel.org/patch/53004/ )

This patch fixes entry #1.
"1.  p54p_check_rx_ring - skb_over_panic: Under a ping flood
or just left running for a bit would panic with a skb_over_panic."
As described in the mail: The invalid frame length causes
skb_put to bailout and trigger a crash.

Note:
Simply dropping the frame is problematic, because if its content
contains a tx feedback we would lose some portion of the device
memory space.... And the driver/mac80211 should handle all other
invalid data.

Reported-by: Quintin Pitts <geek4linux@gmail.com>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: fix sign error in pid controller
Bob Copeland [Sat, 16 Jan 2010 19:36:52 +0000 (14:36 -0500)]
mac80211: fix sign error in pid controller

While testing the pid rate controller in mac80211_hwsim, I noticed
that once the controller reached 54 Mbit rates, it would fail to
lower the rate when necessary.  The debug log shows:

1945 186786 pf_sample 50 3534 3577 50

My interpretation is that the fixed point scaling of the target
error value (pf) is incorrect: the error value of 50 compared to
a target of 14 case should result in a scaling value of
(14-50) = -36 * 256 or -9216, but instead it is (14 * 256)-50, or
3534.

Correct this by doing fixed point scaling after subtraction.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Stefano Brivio <stefano.brivio@polimi.it>
Acked-by: Mattias Nissler <mattias.nissler@gmx.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: add license to tracing files
Reinette Chatre [Fri, 15 Jan 2010 21:42:59 +0000 (13:42 -0800)]
iwlwifi: add license to tracing files

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwlwifi: Fix throughput stall issue in HT mode for 5000
Wey-Yi Guy [Fri, 15 Jan 2010 21:42:58 +0000 (13:42 -0800)]
iwlwifi: Fix throughput stall issue in HT mode for 5000

Similar to 6000 and 1000 series, RTS/CTS is the recommended protection
mechanism for 5000 series in HT mode based on the HW design.

Using RTS/CTS will better protect the inner exchange from interference,
especially in highly-congested environment, it also prevent uCode encounter
TX FIFO underrun and other HT mode related performance issues.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
CC: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: drop unused definition, uncomment needed call
Rafał Miłecki [Fri, 15 Jan 2010 15:38:07 +0000 (16:38 +0100)]
b43: N-PHY: drop unused definition, uncomment needed call

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement TX power control coef setup
Rafał Miłecki [Fri, 15 Jan 2010 15:24:57 +0000 (16:24 +0100)]
b43: N-PHY: implement TX power control coef setup

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add RX IQ calibrationi for rev < 3
Rafał Miłecki [Fri, 15 Jan 2010 15:20:56 +0000 (16:20 +0100)]
b43: N-PHY: add RX IQ calibrationi for rev < 3

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add huge calculating TX IQ LO
Rafał Miłecki [Fri, 15 Jan 2010 15:10:48 +0000 (16:10 +0100)]
b43: N-PHY: add huge calculating TX IQ LO

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement calculating IQ gain params
Rafał Miłecki [Fri, 15 Jan 2010 15:08:25 +0000 (16:08 +0100)]
b43: N-PHY: implement calculating IQ gain params

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: update TX calibration ladder
Rafał Miłecki [Fri, 15 Jan 2010 15:06:35 +0000 (16:06 +0100)]
b43: N-PHY: update TX calibration ladder

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add RX radio cores calibration
Rafał Miłecki [Fri, 15 Jan 2010 14:55:18 +0000 (15:55 +0100)]
b43: N-PHY: add RX radio cores calibration

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add TX LP FBW (TX filter 40 related)
Rafał Miłecki [Fri, 15 Jan 2010 14:51:55 +0000 (15:51 +0100)]
b43: N-PHY: add TX LP FBW (TX filter 40 related)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement getting TX gains
Rafał Miłecki [Fri, 15 Jan 2010 14:40:50 +0000 (15:40 +0100)]
b43: N-PHY: implement getting TX gains

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement calculating RX IQ comp
Rafał Miłecki [Fri, 15 Jan 2010 14:29:05 +0000 (15:29 +0100)]
b43: N-PHY: implement calculating RX IQ comp

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement RX IQ estimation
Rafał Miłecki [Fri, 15 Jan 2010 14:26:12 +0000 (15:26 +0100)]
b43: N-PHY: implement RX IQ estimation

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement restoring general configuration
Rafał Miłecki [Fri, 15 Jan 2010 14:18:35 +0000 (15:18 +0100)]
b43: N-PHY: implement restoring general configuration

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>a
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement workaround for TX IQ
Rafał Miłecki [Fri, 15 Jan 2010 14:17:10 +0000 (15:17 +0100)]
b43: N-PHY: implement workaround for TX IQ

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement RX IQ coeffs
Rafał Miłecki [Fri, 15 Jan 2010 14:16:25 +0000 (15:16 +0100)]
b43: N-PHY: implement RX IQ coeffs

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add function than forces (not) staying in carrier search
Rafał Miłecki [Fri, 15 Jan 2010 14:10:54 +0000 (15:10 +0100)]
b43: N-PHY: add function than forces (not) staying in carrier search

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add RSSI calibration restore
Rafał Miłecki [Fri, 15 Jan 2010 14:06:47 +0000 (15:06 +0100)]
b43: N-PHY: add RSSI calibration restore

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>`
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement PA overriding (RF control related)
Rafał Miłecki [Fri, 15 Jan 2010 14:02:38 +0000 (15:02 +0100)]
b43: N-PHY: implement PA overriding (RF control related)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: RSSI calibration for rev < 3
Rafał Miłecki [Fri, 15 Jan 2010 13:48:21 +0000 (14:48 +0100)]
b43: N-PHY: RSSI calibration for rev < 3

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add RSSI polling and setting 2055 (radio) VCM
Rafał Miłecki [Fri, 15 Jan 2010 13:45:13 +0000 (14:45 +0100)]
b43: N-PHY: add RSSI polling and setting 2055 (radio) VCM

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: implement RSSI selection and offset scaling
Rafał Miłecki [Fri, 15 Jan 2010 13:38:32 +0000 (14:38 +0100)]
b43: N-PHY: implement RSSI selection and offset scaling

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add clip detection reading/writing and some classifier function
Rafał Miłecki [Fri, 15 Jan 2010 13:31:39 +0000 (14:31 +0100)]
b43: N-PHY: add clip detection reading/writing and some classifier function

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: split RSSI calibration into 2 functions (rev2, rev3)
Rafał Miłecki [Fri, 15 Jan 2010 12:40:58 +0000 (13:40 +0100)]
b43: N-PHY: split RSSI calibration into 2 functions (rev2, rev3)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: update CCA reset
Rafał Miłecki [Fri, 15 Jan 2010 12:36:43 +0000 (13:36 +0100)]
b43: N-PHY: update CCA reset

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: update init code to match current specs
Rafał Miłecki [Fri, 15 Jan 2010 12:27:29 +0000 (13:27 +0100)]
b43: N-PHY: update init code to match current specs

Previous init path was based on old specs from old driver. Update it
as much as possible leaving some TODOs for not implemented functions.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add various tables
Rafał Miłecki [Fri, 15 Jan 2010 12:02:45 +0000 (13:02 +0100)]
b43: N-PHY: add various tables

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add global variables to b43_phy_n struct
Rafał Miłecki [Fri, 15 Jan 2010 11:54:30 +0000 (12:54 +0100)]
b43: N-PHY: add global variables to b43_phy_n struct

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add missing register definitions
Rafał Miłecki [Fri, 15 Jan 2010 11:40:03 +0000 (12:40 +0100)]
b43: N-PHY: add missing register definitions

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add needed struct definitions
Rafał Miłecki [Fri, 15 Jan 2010 11:34:21 +0000 (12:34 +0100)]
b43: N-PHY: add needed struct definitions

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: add shared memory offsets definitions
Rafał Miłecki [Fri, 15 Jan 2010 11:27:46 +0000 (12:27 +0100)]
b43: N-PHY: add shared memory offsets definitions

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: N-PHY: clean table init, check PHY rev
Rafał Miłecki [Fri, 15 Jan 2010 11:18:21 +0000 (12:18 +0100)]
b43: N-PHY: clean table init, check PHY rev

Move table init to tables_nphy.c, detect newer PHY which use different init.
We don't init newer PHYs yet but this at least shows what more is needed.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: add new SSB's core id for BCM4328
Rafał Miłecki [Fri, 15 Jan 2010 11:10:53 +0000 (12:10 +0100)]
b43: add new SSB's core id for BCM4328

Following line shows my BCM4328 detected on SSB. We didn't include 0x0C rev.
ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x0C, vendor 0x4243)

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: use standard fls for finding the most significant bit
Rafał Miłecki [Fri, 15 Jan 2010 11:01:49 +0000 (12:01 +0100)]
b43: use standard fls for finding the most significant bit

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoath9k: implement coverage class support
Felix Fietkau [Fri, 15 Jan 2010 01:34:58 +0000 (02:34 +0100)]
ath9k: implement coverage class support

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoath9k: cleanup slot time and ack/cts timeout handling
Felix Fietkau [Fri, 15 Jan 2010 01:33:40 +0000 (02:33 +0100)]
ath9k: cleanup slot time and ack/cts timeout handling

Previously ath9k left the initialization of slot timing and ACK/CTS
timeout to the mode specific initvals. This does not handle short vs
long slot in 2.4 GHz and uses a rather strange value for the 2.4 GHz
ACK timeout (64 usec).
This patch uses the proper ath9k_hw functions for setting slot time and
timeouts and also implements the switch between short and long slot
time in 2.4 GHz

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: fix memory leak in ieee80211_send_probe_req
Ming Lei [Fri, 15 Jan 2010 13:44:21 +0000 (21:44 +0800)]
mac80211: fix memory leak in ieee80211_send_probe_req

This patch fixes memory leak in ieee80211_send_probe_req, which
is introduced in 7c12ce8b854df346388ea56d684784e3484012cf:

mac80211: use Probe Request template when sending a direct scan

The patch is against the latest wireless-test tree.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: force use_short_slot=true for 5GHz
Felix Fietkau [Fri, 15 Jan 2010 02:00:48 +0000 (03:00 +0100)]
mac80211: force use_short_slot=true for 5GHz

Normally 5GHz does not have a concept of long vs short slot time,
however the slot time that it ends up using is the same as for 2.4 GHZ
and use_short_slot == true
Because of that, it makes more sense to force use_short_slot = true
whenever 5 GHz is being used, so that this particular check does not
have to be in every single driver that uses this flag.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agocfg80211: make regulatory_hint_11d() band specific
Luis R. Rodriguez [Fri, 15 Jan 2010 01:08:20 +0000 (20:08 -0500)]
cfg80211: make regulatory_hint_11d() band specific

In practice APs do not send country IE channel triplets for channels
the AP is not operating on and if they were to do so they would have
to use the regulatory extension which we currently do not process.
No AP has been seen in practice that does this though so just drop
those country IEs.

Additionally it has been noted the first series of country IE
channels triplets are specific to the band the AP sends. Propagate
the band on which the country IE was found on reject the country
IE then if the triplets are ever oustide of the band.

Although we now won't process country IE information with multiple
band information we leave the intersection work as is as it is
technically possible for someone to want to eventually process these
type of country IEs with regulatory extensions.

Cc: Jouni Malinen <jouni.malinen@atheros.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: Fixed netif_tx_wake_all_queues in IBSS mode
Benoit Papillault [Thu, 14 Jan 2010 22:20:31 +0000 (23:20 +0100)]
mac80211: Fixed netif_tx_wake_all_queues in IBSS mode

When ieee80211_offchannel_return is called, it needs to re-enabled TX
queues that have been stopped in ieee80211_offchannel_stop_beaconing or
ieee80211_offchannel_stop_station. It happens if we are doing a scan with an
IBSS interface. In this case, the interface stopped transmitting.

Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: check that ieee80211_set_power_mgmt only handles STA interfaces.
Benoit Papillault [Fri, 15 Jan 2010 11:21:37 +0000 (12:21 +0100)]
mac80211: check that ieee80211_set_power_mgmt only handles STA interfaces.

ieee80211_set_power_mgmt is meant for STA interfaces only. Moreover,
since sdata->u.mgd.mtx is only initialized for STA interfaces, using
this code for any other type of interface (like creating a monitor
interface) will result in a oops.

Cc: stable@kernel.org
Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoStaging: r8187se: Fix compile error from wireless-testing commit 7044cc56
Larry Finger [Thu, 14 Jan 2010 19:13:47 +0000 (13:13 -0600)]
Staging: r8187se: Fix compile error from wireless-testing commit 7044cc56

In wireless-testing, commit 7044cc56 added struct ieee80211_hdr_3addr
to include/linux/ieee80211.h. This definition collides with one that is
in the r8187se driver in staging.

The conflict is resolved by changing r8187se to use the definition from
include/linuc/ieee80211.h.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agocfg80211: Ingore country IEs with a zero set of number of channels
Luis R. Rodriguez [Thu, 14 Jan 2010 18:27:46 +0000 (13:27 -0500)]
cfg80211: Ingore country IEs with a zero set of number of channels

Previous to this and the last patch, titled,

"cfg80211: Fix 2 GHz subband calculation for country IEs"

we would end up treating these IEs as single channel units. These are in
fact just bogus IE triplets so ignore the entire IE if these are found.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: improve powersave documentation
Kalle Valo [Thu, 14 Jan 2010 11:09:21 +0000 (13:09 +0200)]
mac80211: improve powersave documentation

There has been some confusion how drivers should implement powersave
support. Improve the documentation a bit to make it more clear what
drivers need to do. Also mention about U-APSD.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: fix mac80211.h documentation warnings
Kalle Valo [Thu, 14 Jan 2010 11:09:14 +0000 (13:09 +0200)]
mac80211: fix mac80211.h documentation warnings

There were some warnings about missing documentation and a missing reference.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoath9k: Fix panic on driver load
Sujith [Thu, 14 Jan 2010 04:50:57 +0000 (10:20 +0530)]
ath9k: Fix panic on driver load

The device has to be marked as invalid before
registering the ISR. HW initialization takes place
after the ISR has been registered, and the invalid
flag is eventually cleared in the ->stop() callback.

Reported-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoRemove config option B43_LEGACY_RFKILL completely
Christoph Egger [Wed, 13 Jan 2010 13:36:24 +0000 (14:36 +0100)]
Remove config option B43_LEGACY_RFKILL completely

In f41f3f373dd72344c65d801d6381fe83ef3a2c54 the B43 driver was ported
to use the cfg80211 API for rfkill and consequently the config option
was dropped (RFKILL is now unconditionally enabled).

However in the Kernel Info the feature is still checked and reported
missing. This patch just removes the conditional and the relevant code
blocks while still reporting that feature unconditionally would be
another option (it's always there).

Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agowl1271: remove unused flags
Luis R. Rodriguez [Tue, 12 Jan 2010 23:23:04 +0000 (18:23 -0500)]
wl1271: remove unused flags

These are unused and as with a previous patch 5ef5da for wl1251
this removes some other unused flags. the IRQ_MASK specifically
conflicts with include/pcmcia/cs.h when using compat-wireless.

Cc: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43legacy: Declare all possible ucodeX.fw files
Tim Gardner [Tue, 12 Jan 2010 18:58:17 +0000 (12:58 -0600)]
b43legacy: Declare all possible ucodeX.fw files

Enhance module information with the names of the firmware files
that could be used by this driver. This helps tools like Jockey to
correctly detect and/or install the firmware files relevant to
this driver.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agocfg80211: fix 2 GHz subband calculation for country IEs
Luis R. Rodriguez [Thu, 7 Jan 2010 22:24:55 +0000 (17:24 -0500)]
cfg80211: fix 2 GHz subband calculation for country IEs

Country IEs triplets are getting an extra channel with
the current count. This does not affect regulatory because
we always took the intersection between what the AP gave
and what CRDA believed is correct.

This however does fix processing some Country IEs with multiple
sequential 2 GHz triplets. Since our parser and the spec mandates
all channels be monitonically increasing we would drop the IE after
noticing the second triplet begins on a channel already processed.
APs that send these type of country IEs seems rare though.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agob43: Declare at least one real firmware file using MODULE_FIRMWARE.
Tim Gardner [Thu, 7 Jan 2010 18:10:38 +0000 (11:10 -0700)]
b43: Declare at least one real firmware file using MODULE_FIRMWARE.

BugLink: http://bugs.launchpad.net/bugs/488636
Enhances module information with the names of the firmware files
that could be used by this driver. This helps tools like Jockey to
correctly detect and/or install the firmware files relevant to
this driver.

Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agocfg80211: fix channel setting for wext
Abhijeet Kolekar [Wed, 13 Jan 2010 21:23:14 +0000 (13:23 -0800)]
cfg80211: fix channel setting for wext

Patch fixes the bug at
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2139

Currently we cannot set the channel using wext extension
if we have already associated and disconnected. As
cfg80211_mgd_wext_siwfreq will not switch the channel if ssid is set.
This fixes it by clearing the ssid.
Following is the sequence which it tries to fix.
modprobe iwlagn
iwconfig wlan0 essid ""
ifconfig wlan0 down
iwconfig wlan0 chan X

wext is marked as deprecate.If we use nl80211 we can easily play with
setting the channel.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoiwmc3200wifi: Add UMAC wifi headers to the pmkid command
Samuel Ortiz [Wed, 13 Jan 2010 11:09:08 +0000 (12:09 +0100)]
iwmc3200wifi: Add UMAC wifi headers to the pmkid command

Without this header, we can trigger a UMAC crash with debug enabled UMACs.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoRevert "iwmc3200wifi: fix array out-of-boundary access"
John W. Linville [Thu, 14 Jan 2010 22:00:54 +0000 (17:00 -0500)]
Revert "iwmc3200wifi: fix array out-of-boundary access"

This reverts commit 6c853da3f30c93eae847ecbcd9fdf10ba0da04c2.

From Message-ID: <1262663293.551.117.camel@debian>
On Sat, 2010-01-02 at 22:09 +0800, Dan Carpenter wrote:
> It don't think 6c853da3f30c93 is right.  That's the patch
> titled "iwmc3200wifi: fix array out-of-boundary access"
>
>       Allocate priv->rx_packets[IWM_RX_ID_HASH + 1] because the max array
>       index is IWM_RX_ID_HASH according to IWM_RX_ID_GET_HASH().
>
> In 2.6.33-rc2 IWM_RX_ID_GET_HASH() doesn't go as high as IWM_RX_ID_HASH
> and I don't see any array out-of-bounds.
>
> #define IWM_RX_ID_GET_HASH(id) ((id) % IWM_RX_ID_HASH)

Ah, you are right. I took '%' for '&'. John, would you revert it? Sorry
for the false alarm.

Thanks,
-yi

Reported-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: update version number (to 0.12) and copyright
Lennert Buytenhek [Tue, 12 Jan 2010 12:51:38 +0000 (13:51 +0100)]
mwl8k: update version number (to 0.12) and copyright

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: enable multi-BSS AP operation
Lennert Buytenhek [Tue, 12 Jan 2010 12:51:30 +0000 (13:51 +0100)]
mwl8k: enable multi-BSS AP operation

As follows:
- GET_HW_SPEC is now responsible for setting
  priv->{ap,sta}_macids_supported, which are bitmasks of supported
  macids for AP and STA mode.  (Typically, STA firmware images will
  support only one macid, #0, in STA mode, and AP firmware images
  will support macids #0-7, in AP mode.)
- Our wiphy ->interfaces_modes is now set based on the non-zero-ness
  of these two bitmasks.
- We main priv->macids_used, a bitmask of which macids are currently
  in use.  ->add_interface() will assign the lowest free macid for
  this interface type as it is created, or bail out if there are no
  more free macids to assign.  ->delete_interface() will mark the
  macid as being free again.

This enables the multi-BSS code added in the previous commits.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: post per-vif firmware commands as per-vif commands
Lennert Buytenhek [Tue, 12 Jan 2010 12:50:36 +0000 (13:50 +0100)]
mwl8k: post per-vif firmware commands as per-vif commands

SET_BEACON, SET_MAC_ADDR, BSS_START and SET_NEW_STN are the currently
supported firmware commands that are actually per-vif commands.  Use
mwl8k_post_pervif_cmd() for these commands, so that the macid of the
vif they operate on gets passed down into the firmware.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: prepare for posting per-vif firmware commands
Lennert Buytenhek [Tue, 12 Jan 2010 12:50:14 +0000 (13:50 +0100)]
mwl8k: prepare for posting per-vif firmware commands

One of the bytes in the mwl8k firmware command header is the 'macid'
byte, which for per-vif commands indicates which of the BSSes this
command is intended for.  (For commands that are not per-vif commands,
this byte can just be 0.)

This patch adds mwl8k_post_pervif_cmd(), which will take the macid
assigned to this interface (to be done in ->add_interface()), copy it
into the command packet macid field, and post the command as usual.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: convert the priv->vif pointer to a list of vifs
Lennert Buytenhek [Tue, 12 Jan 2010 12:49:51 +0000 (13:49 +0100)]
mwl8k: convert the priv->vif pointer to a list of vifs

To prepare for adding multi-BSS support.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: use firmware capability field to decide which bands to register
Lennert Buytenhek [Tue, 12 Jan 2010 12:49:41 +0000 (13:49 +0100)]
mwl8k: use firmware capability field to decide which bands to register

Make the decision about whether to register the 2.4 and 5 GHz bands
with mac80211 by looking at the capability field in GET_HW_SPEC (STA
firmware only for now).  This enables 5 GHz STA operation.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: allow selecting 5 GHz channels
Lennert Buytenhek [Tue, 12 Jan 2010 12:49:18 +0000 (13:49 +0100)]
mwl8k: allow selecting 5 GHz channels

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: handle 5 GHz legacy rate bitmaps in firmware commands
Lennert Buytenhek [Tue, 12 Jan 2010 12:49:15 +0000 (13:49 +0100)]
mwl8k: handle 5 GHz legacy rate bitmaps in firmware commands

Whenever mac80211 gives us a legacy rate bitmap in the context of the
5 GHz band, we need to remember to shift the bitmap left by 5 positions
before giving it to the firmware, as the firmware follows the bitmap
bit assignment of the 2.4 GHz rate table even if we're on the 5 GHz
band, and the 2.4 GHz rate table includes five non-OFDM rates at the
start that are not valid in the 5 GHz band.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: properly set receive status rate index on 5 GHz receive
Lennert Buytenhek [Tue, 12 Jan 2010 12:48:56 +0000 (13:48 +0100)]
mwl8k: properly set receive status rate index on 5 GHz receive

The mwl8k firmware uses indices into the 2.4 GHz band rate table for
the receive descriptor channel field even if the packet was received
on a 5 GHz channel, while mac80211 expects an index into the 5 GHz
band rate table when packets are received on the 5 GHz band, which
presents a mismatch as the 5 GHz band rate table lacks the five
non-OFDM rates that the 2.4 GHz rate table starts with.

To handle this properly, we need to substract 5 from the rate index
field if the packet was received on a 5 GHz channel (and was not
received at an MCS rate).

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: add 5 GHz band channels and rates
Lennert Buytenhek [Tue, 12 Jan 2010 12:48:32 +0000 (13:48 +0100)]
mwl8k: add 5 GHz band channels and rates

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: move responsibility for initialising wiphy bands to GET_HW_SPEC
Lennert Buytenhek [Tue, 12 Jan 2010 12:48:17 +0000 (13:48 +0100)]
mwl8k: move responsibility for initialising wiphy bands to GET_HW_SPEC

So that we can make 2.4 GHz and 5 GHz band registration conditional
on the capability bitmask returned by the firmware.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: rename 2.4 GHz band/channels/rates related variables from FOO to FOO_24
Lennert Buytenhek [Tue, 12 Jan 2010 12:48:04 +0000 (13:48 +0100)]
mwl8k: rename 2.4 GHz band/channels/rates related variables from FOO to FOO_24

To prepare for adding 5 GHz band/channels/rates.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: add another 88w8366 PCI ID
Lennert Buytenhek [Tue, 12 Jan 2010 12:47:53 +0000 (13:47 +0100)]
mwl8k: add another 88w8366 PCI ID

0x2a43 is a single-band (2.4GHz only) 88w8366 mini-PCIe card.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: simplify sequence number assignment
Lennert Buytenhek [Tue, 12 Jan 2010 12:47:47 +0000 (13:47 +0100)]
mwl8k: simplify sequence number assignment

By storing the sequence counter in << 4 format, like other drivers do.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: don't call SET_AID if we're not associated
Lennert Buytenhek [Tue, 12 Jan 2010 12:47:37 +0000 (13:47 +0100)]
mwl8k: don't call SET_AID if we're not associated

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: remove (mostly) write-only variable priv->current_channel
Lennert Buytenhek [Tue, 12 Jan 2010 12:47:32 +0000 (13:47 +0100)]
mwl8k: remove (mostly) write-only variable priv->current_channel

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomwl8k: update MODULE_FIRMWARE tags
Lennert Buytenhek [Tue, 12 Jan 2010 12:47:22 +0000 (13:47 +0100)]
mwl8k: update MODULE_FIRMWARE tags

Add MODULE_FIRMWARE tags for the mwl8k firmware images that don't
have them yet, and move them to where the firmware image names are
declared.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agowl1251: add U-APSD support
Kalle Valo [Tue, 12 Jan 2010 08:43:15 +0000 (10:43 +0200)]
wl1251: add U-APSD support

wl1251 firmware supports U-APSD just with a simple queue configuration
change so enable it.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agowl1251: create qos null data template
Kalle Valo [Tue, 12 Jan 2010 08:43:07 +0000 (10:43 +0200)]
wl1251: create qos null data template

The qos null data template is needed for U-APSD.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agoieee80211: add struct ieee80211_hdr_qos
Kalle Valo [Tue, 12 Jan 2010 08:43:00 +0000 (10:43 +0200)]
ieee80211: add struct ieee80211_hdr_qos

The header can be used to create qos nullfunc frames, for example.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
14 years agomac80211: check uapsd state for dynamic power save
Kalle Valo [Tue, 12 Jan 2010 08:42:53 +0000 (10:42 +0200)]
mac80211: check uapsd state for dynamic power save

To make U-APSD client mode effective, we must not wake up from dynamic power
save when transmitting frames. So if dynamic power save is enabled, it needs
check the queue the transmitted packet is in and decide if we need to wake
up or not.

In a perfect world, where all packets would have correct QoS tags, U-APSD
enabled queues should not trigger wakeup from power save. But in the real
world, where very few packets have correct QoS tags, this won't work. For
example, if only voip class has U-APSD enabled and we send a packet in voip
class, but the packets we receive are in best effort class, we would receive
the packets with the legacy power save method. And that would increase
latencies too much from a voip application point of view.

The workaround is to enable U-APSD for all qeueus and still use dynamic ps
wakeup for all other queues except voip. That way we can still save power
with a voip application and not sacrifice latency. Normal traffic (in
background, best effort or video class) would still trigger wakeup from
dynamic power save.

Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>