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Some frames require special handling in wsm, for example
offchannel, wep, join...
Requeue for offchannel and wep frames was missing, leading
to queue entry leakage and unexpected drop of frames.
Fix implements requeue for special frames.
Change-Id: Iba5c41496f898e30b4261db3888bba384504df50
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33596
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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* Accurate reporting of TX status is implemented (needed for UAPSD and PSPOLL).
* Leaking of TX rate policies is fixed.
* skb destructor is implemented.
* Time to live for queued frames is implemented.
* cw1200_tx is split by separate TX handlers (like in mac80211).
* cw1200_skb_to_wsm is not existing anymore.
* BT coex: null frames are prioritized as management frames.
* Debug: added printing of rate policies in use.
ST-Ericsson ID: 354950
ST-Ericsson ID: 360749
Change-Id: I920d398418df99c21b37a16ef16591e58a82151d
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33542
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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* buffered_multicasts_lock was renamed to ps_state_lock.
Previous name was quite confusive.
* Per-STA rx_queue was created for early RX-ed frames.
Not that we really need these frames, but PM status they are
holding is important.
* priv->tx_suspend_mask was removed, driver is not using it.
It was intended for UAPSD and is not needed in current
implementation on mac80211.
* Fix: cw1200_queue_unlock() was not called from cw1200_queue_clear()
when queue was internally locked.
ST-Ericsson ID: 360749
Change-Id: I61346db485d34f761d80af786b716d8c73e8b600
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33541
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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According to the driver design queue should know as less
as possible about other components. Last commits violate
this "rule" by transpatent arguments like tid. This patch
is fixing these violations.
No functional changes in this commit.
Change-Id: I078835dc0263ef71fa2d50a1d9bfae2c04bab440
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33540
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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New mac80211 API for reporting buffered frames in SoftAP mode is supported.
SoftAP stability is significantly improved by that.
ST-Ericsson ID: 355584
Change-Id: I0f12c71fff05f7f6b79cd508181b7daab6838c7e
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/31927
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Tested-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33530
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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U-APSD in SoftAP is fully offloaded to the mac80211 wireless stack.
Driver provides a transparent virtual link (with link_id = CW1200_LINK_ID_UAPSD)
which bypases powersave buffering. Mac80211 stack takes care to provide UAPSD
data when it is needed.
ST-Ericsson ID: 355584
Change-Id: Iabd65e7effcecc5564e76e05e081b8f6a98b4ddb
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/30661
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Tested-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33529
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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BT Coexistence support required setting priority to frames for
PTA arbitration FW, parsing SDD file for getting the listen
interval and using the same in assoc request, modifying Tx rate
for PSPOLL and NULL templates (plumbing them)
ST-Ericsson ID: 357776
ST-Ericsson FOSS-OUT ID: STETL-FOSS-OUT-10091
Change-Id: I14f05cbcc2f02b85f72dbe820893cef9c3775df7
Signed-off-by: Amit Shakya <amit.shakya@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/31602
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33528
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Tested-by: Dmitry TARNYAGIN <dmitry.tarnyagin@stericsson.com>
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PM state is controlled separately by firmware and driver.
Firmware does not update own PM state when STA is removed,
so PM state of the driver and firmware could be out of sync.
The patch implements resyncronization of the PM state.
ST-Ericsson ID: 354923
Change-Id: Ie2d8f54bc9d6dc1578aead31eecdb04c9ce7505e
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/29404
Reviewed-by: QABUILD
Reviewed-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Tested-by: Bartosz MARKOWSKI <bartosz.markowski@tieto.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/33518
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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- .flush mac80211 API is implemented (expected to be called from
mac80211 off_channel code).
- TX queue statistics is implemented.
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Change-Id: If228ceccd856b699236999122c9989d0eca1e98d
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/23604
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
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LL IO API is defined and implemented.
TX queue is designed and implemented.
WSM API subset is defined.
mac80211 API is implemented partly.
FW downloading is working.
BH is _not_ implemented.
RX BH is implemented.
1. RX WSM API is defined and stubs are created.
2. RX BH is implemented (not verifiyed yet).
Reference WSM API implementation.
wsm_configuration / wsm_configuration_confirm.
Not veryfied yet.
BH and WSM TX, basic WSM notification.
Device startup is finished.
TODO at mac80211 layer:
- start
- add_interface
- config
- config_tx
- config_filter
- hw_scan
- remove_interface
- stop
TODO in general:
- proper (random?) MAC address
TODO in WSM:
- datapath
Basic mac80211 STA interface is implemented (not verified yet, but should be working).
Random MAC address is implemented.
Defined and implemented:
- cw1200_start
- cw1200_stop
- cw1200_add_interface
- cw1200_remove_interface
- cw1200_config
- cw1200_conf_tx
FW code is moved to fwio.[hc]
STA code is moved to sta.[hc]
AP code is moved to ap.[hc]
TODO:
- configure_filter()
- hw_scan()
- datapath
Some bugfix.
Piggyback RX-ing.
Bugbix: wrong buf_id_rx calculation.
Finaly! RX datapath is implemented.
TX datapath is implemented.
HW scan is implemented.
TODO:
- hw_scan: little refactoring. I hate gotos.
- Join
- Unjoin
- SKB pool
- BH monitor / chip restarter
Development.
+ Proper handling of scan IEs
Join. TX/RX should be working now.
Development.
+ Proper handling of scan IEs
+ Ping is working!!! (with some hacks)
Development.
+ TX rate policy cache is implemented.
+ TX rate policy table uploading is implemented.
+ TX queues stop/resume.
+ WSM STA API (except MIBs) is 100% finished.
+ Direct TX-ing of probe requests is converted to start-scan WSM cmd
(workaround against FW "feature").
+ All work moved to an own workqueue.
+ Scan timeout is implemented (workaround against a known bug in FW).
+ set_key is implemented.
TODO:
- Full WSM API support.
- Join refactoring
- Assoc status updates.
Verification and bugfixing.
+ Direct probe is verified. Some bugs fixed.
+ TX timeout is implemented... and rolled back: no way to cancel TX.
+ TX hang is fixed: FW hangs if tx->more is set but no more data available.
+ TX rate table uploading is moved into a separate workitem: can't schedule in datapath.
+ TX status reporting is enabled.
+ Removed hacks from Join: should be able to connect to any AP now.
+ TX rate cache bugfix: incorrect handling of policies like 100000000008900000000000.
+ TX rate cache optimization: upload only changed policies.
+ Unjoin is implemented for TX and RX.
+ Join is triggered for auth. frames only.
+ Join timeout is implemented.
+ wsm_set_bss_params is called from assoc notification.
+ wsm_set_association_mode is called from assoc notification.
+ set_beacon_wakeup_period is called from assoc notification.
+ HT information is now available in priv->ht_cap, priv->association_mode
+ CTS protection is set.
+ RTS threshold is set and verified.
+ Warning cleanup.
+ TODOs for compat-wireless-2010-07-16 API change.
+ Very basic RSSI subscription. However reporting is NIY.
+ Some bugfix for minestrel. F.e. policy like 10:9 11:9 0:1 0:1 -1:0 should be handled ok.
+ MaxTxCount (short/long) is implemented and verified.
+ Channel switch is protected now.
+ OverrideInternalTxRate is implemented.. and rolled back: internal rate controlselection is better.
TODO:
- Security is not validated yet
- Set HT parameters of TX data according to priv->ht_cap, priv->association_mode.
- Strange: set_beacon_wakeup_period is called with DTIM 1 always. Why???
- RSSI subscription events.
- How to do unjoin?
Style changes.
Modifications to make the code compatible with checkpath. Not finished yet.
1. // -> /* */
2. whitespaces
3. formatting
4. warning- & error fix
No functional changes in the commit.
Verification.
+ RSSI reporting is working.
+ WEP is working. Dynamic WEP key switching is implemented to select TX WEP key on-fly
+ WPA/CCMP and WPA2/CCMP are working.
+ WPA/TKIP and WPA2/TKIP are working.
+ MIC failure event is implemented.
+ Unjoin is implemented as a reset. Why not?
+ wsm_flush_tx() added to flush TX port after wsm_lock_tx_async().
+ race condition in wsm_lock_tx()/wsm_flush_tx() is fixed.
+ RSSI subscription is under research.
+ Event reporting is implemented.
+ Beacon loss event is prepared (but not sent)
+ Link loss is implemented.
TODO:
On target..
+ Bugfix: DMA from non-DMAble memory in FW downloading.
+ RSSI subscription is finished.
+ RSSI event reporting is implemented.
+ Beacon loss event is reimplemented with respect to scan.
+ Memory leak in WSM event processing is fixed.
+ Code is verified on target. Set CW1200_U8500_PLATFORM to build for target.
+ Scan turns on powersave to prevent AP from TXing.
+ Spinning of direct_probe work is fixed.
+ Workaround is implemented for "FIXME: we can't use 'more' at all: we don't know future."
TODO:
Verification on device.
+ Correct deinitialization of async work.
+ New WSM API.
+ WMM is verified and fixed (queue prioritization).
+ Bug in TX is fixed (freezing of TCP traffic).
+ STE CQM extensions are implemented.
+ HW revision detection is implemented.
+ A crash/hangs in scan is fixed.
+ 802.11 slot time is set
+ 11n: first steps: Mixed mode is working.
+ 11n: Block ACK config.
+ Keep-alive work is implemented (but it is not doing anything yet).
TODO:
- Copyright statements and COPYING
- STE API for power-save
- Need to deinit bt_thread, isn't it?
Copyright statements and bt_thread deinitialization.
+ Copyright statements
+ bt_thread deinitialization (NOT TESTED ON DEVICE AT ALL!!!)
Cumulative TODO:
- COPYING
- STE API for power-save
- Set HT parameters of TX data. 11n verification.
- SKB pool - reuse previously allocated SKBs
- BH monitor / chip restarter
- IBSS
- AP mode
- U-APSD configuration
- Memory leak verification, coverity, checkpatch
= It looks like that's it.
Mainline to compat-wireless-20010-12-03
No functional changes in this commit.
+ Changes in compat-wireless API.
+ Changes in kerner API.
+ Changes in kernel header structures.
TODO:
- New code in cw1200_bss_info_changed() needs to be verified.
- ht_operation_mode needs to be cached in priv.
Some HT refactoring.
+ ht_operation_mode is cached in priv
+ channel_type is cached in priv
+ New header for HT-related code: ht.h
+ Greenfield mode is used for TX if possible.
+ HT flags are reported back to rate control correctly.
TODO:
- Verify A-MPDU factor settings in cw1200_band_2ghz.
SKB cache is implemented.
Firmware loading refactoring.
+ CUT 2.0 detection is implemented.
+ Standard firmware loading API is used.
+ Firmware loading path is changed to /lib/firmware/cw1200/
+ Firmware is put to the project: ./firmware/
TODO:
- Firmware copying at build time.
Bringup after mainlining.
+ FW downloading is working now.
TODO:
- BH thread can't read data block from device.
Init: removing GPIO toggling. Not needed anymore.
WLAN: Fix for missing GPIO_HIGH, GPIO_LOW
The patch defines CW1200_GPIO_{HIGH|LOW} as replacement of
GPIO_{HIGH|LOW}, which might be absent on the target platform.
Also it allows build without compat wireless tree.
Added cw1200 to drivers/staging Kconfig and Makefile.
Added two CONFIG_ flags:
+ CONFIG_CW1200 - Enables the generic cw1200 module
+ CONFIG_CW1200_U8500_PLATFORM - U8500 platform integration
Removed binary firmware files, they do not belong in the kernel tree.
Added TODO file for cw1200 staging driver.
Added more help text to Kconfig
Removed checkpatch warnings. There is still one left.
Removed all checkpatch warnings for cw1200.h
Removed checkpatch warnings from cw1200_stdio.c.
There is still one left.
Removed checkpatch warnings for fwio.h
Removed checkpatch warning for hwio.c
Removed checkpatch warnings for main.c
There are still some warninges left.
Removed checkpatch warnings from queue.c
There are still some warnings left
Removed checkpatch warnings for queue.h
Removed checkpatch warnings for sbus.h
Removed checkpatch warnings for scan.c
Removed checkpatch warnings for scan.h
Removed checkpatch warnings for sta.c
Removed checkpatch warnings for txrc.c
Removed checkpatch warnings for txrx.h
Removed checkpatch warnings from wsm.c
Lots of "line over 80 char..." warnings left.
Minor checkpatch warning cleanup on wsm.c
WLAN: CW1200: Development: SoftAP mode
WLAN: CW1200: AP development.
+ Basic open AP is woking (prototyping done).
TODO:
- Check AP scan & assoc with sniffer
- WSM API: TxPowerLevel in scan requests.
- WSM API: Frame in TX and RX indication.
- WSM API: Flags in set_bss_params.
- WSM API: IGTKGroupKey in key info.
- WSM API: MultiTX confirm
- WSM API: Config block ACK
- WSM API: BA timeout indication.
CW1200: WLAN: Fix for a merge error.
This commit fixes build error introduced by WLAN: CW1200: AP development.
WLAN: CW1200: Fix for a warning in net/mac80211/rx.c
WLAN: CW1200: Add / remove key refactoring for AP mode.
Keys are cached in the driver and loaded after wsm_start() is called.
Verified (AP mode):
+ Open security: OK
+ WEP40: OK
+ WEP104: FAIL (WSM_STATUS_DECRYPTFAILURE)
+ CCMP: FAIL (MIC failure detected by STA. STA->AP decrypted OK)
+ TKIP: FAIL (MIC failure detected by STA. STA->AP decrypted OK)
WLAN: CW1200: Proper handling of stop request in the AP mode.
WLAN: CW1200: Firmware-driven keep-alive is implemented.
CW1200: SDIO card detection is implemented.
Removed dependency to u8500_sdio_detect_card().
New moule parameter "device" is implemented to point to the SDIO interface
device is connected to.
WLAN: CW1200: Checkpatch cleanup.
+ wsm.c is cleared.
+ sta.c is cleared.
+ ap.c is cleared.
+ bh.c is cleared.
+ cw1200_sdio.c is cleared.
+ main.c is cleared.
+ queue.c is cleared.
+ scan.c is cleared.
+ txrx.c is cleared.
+ cw1200.h is cleared.
+ hwio.h is cleared.
+ ht.h is cleared.
+ wsm_get_tx is (finally!) redesigned.
TODO:
- wsm.h
WLAN: CW1200: Checkpatch cleanup.
+ wsm.h is cleared.
Code is ready for submission.
WLAN: CW1200: Module parameter for MAC address.
New module parameter for cw1200_core.ko: "macaddr".
Usage: modprobe cw1200_core macaddr=0x00,0x80,0xE1,0x30,0x40,0x50
Random MAC address by default.
WLAN: CW1200: Fix for a crash in skb_release_data().
WLAN: CW1200: Fix for a too short WSM timeout in stressed condition.
WLAN: CW1200: Bugfix after regression testing.
Datapath is verified (several gigabytes of downloaded data).
WLAN: STA mode development.
+ AP API sta_add/sta_semove is implemented.
+ wsm_suspend_resume_indication is implemented.
+ Unique link ID is allocated for STAs in AP mode as WSM requires.
+ wsm_map_link is implemented.
+ wsm_reset is modified to support multiple link IDs.
+ cw1200_suspend_resume handler is implemented in the ap.c.
+ no more hardcoded SSIDs
+ Debug logs functionality is exposed to the kernel config.
+ Suspend / resume is supported by queue.
+ TKIP multicast TX (AP mode) is fixed.
TODO:
- AP mode with powersave is not verified.
WLAN: Support for non-power-of-two SDIO transfer.
WLAN: AP mode verification and bugfixing.
+ Fix for broken broadcasts.
+ Redesign of PS implementation in AP mode.
+ set_tim() is implemented.
+ sta_notify() is implemented.
WLAN: IV/ICV injection fixed.
Fixed: skb was modified prior to sanity check.
There is also a workaround against a bug in WSM_A21.05.0288
firmware in this commit. In AP mode FW calculates FCS incorrectly
when DA is FF:FF:FF:FF:FF:FF (was seen with TKIP and CCMP security).
Workaround checks DA and replaces FF:FF:FF:FF:FF:FF with multicast
address 01:00:5E:00:00:16. Workaround is disabled by #if 0 (can be
used only for verification, should not be enabled in production).
WLAN: Disabling debug printouts (STA/AP).
WLAN: Updating u8500_defconfig with CW1200 driver.
WLAN: AP mode fine-tuning.
+ Explicitly set broadcast bit in TIM when broadcasts are available.
+ Split handling of management frames (link ID = 0) and buffered
multicasts (link ID = CW1200_LINK_ID_AFTER_DTIM)
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
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