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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs.c
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* iwlwifi: mvm: add missing break in debugfsJohannes Berg2013-10-29
| | | | | | | | | When writing the disable_power_off value, the LPRX enable value also gets written unintentionally, so fix that by adding the missing break statement. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
* iwlwifi: mvm: fix fw_rx_stats debugfs entryLuciano Coelho2013-10-18
| | | | | | | | | | | | | | | The fw_rx_stats entry in debugfs was getting truncated because the internal buffer used to hold the string was too short. The calculation of the needed buffer size was rather bogus. Simplify the calculation by multiplying the number of entries in the entire structure by the size of each data line and adding the size of the header lines. Additionally, add the mac_id value, which was missing. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: Add device wide power commandAlexander Bondar2013-10-11
| | | | | | | | | | | | | | | FW starts using legacy power table command (0x77) for device wide power settings. Currently this command contains only option flags field. It can configure the following: CAM (Continuous Active Mode) and POWER_SAVE_ENABLE debug option. Send this command when firmware is loaded - D0 and D3. Note: Setting this command is important to avoid unwanted FW behavior. It particularly fixes a bug when a device does not drop to low power after disassociation from AP. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: BT Coex - adapt debugfs to new APIEmmanuel Grumbach2013-10-02
| | | | | Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: make debugfs write() operations write up to count bytesDjalal Harouni2013-10-02
| | | | | | | | | | | | | Some debugfs write() operations of the MVM Firmware will ignore the count argument, and will copy more bytes than what was specified. Fix this by getting the right count of bytes. This will honor restrictions put on the number of bytes to write and avoid strcmp() calls on garbage data. Signed-off-by: Djalal Harouni <tixxdz@opendz.org> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: debugfs: add an option to set antennas for scan commandOren Givon2013-10-02
| | | | | | | | | | | Add an option to set rx antennas for the scan command from debugfs. Create a file called ant_rxchain in the mvm debugfs directory. To choose antennas, write a number between 1-7 to ant_rxchain. Write 1 for A, 2 for B, 3 for AB and so on. Signed-off-by: Oren Givon <oren.givon@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge branch 'for-john' of ↵John W. Linville2013-08-16
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
| * iwlwifi: mvm: Add PBW snoozing enablementAlexander Bondar2013-08-16
| | | | | | | | | | | | | | | | | | | | | | The Performance Based Window snooze mechanism is based on uAPSD and is used in low-medium traffic scenarios, in order to provide better power performance while insuring low latency and jitter for the incoming traffic. This patch enables PBW snoozing in case uAPSD is enabled and all ACs are uAPSD trigger and delivery enabled. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * iwlwifi: mvm: Implement CQM offloadingAndrei Otcheretianski2013-08-16
| | | | | | | | | | | | | | | | | | | | | | | | Use beacon statistics notification to track RSSI. Notify mac80211 when the tresholds are crossed. The roaming treshold is configured to be equal to cqm_thold. If the beacon filtering command is not supported by fw fall back and use mac80211 mechanism. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * iwlwifi: mvm: Add basic uAPSD client supportAlexander Bondar2013-08-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Implement basic uAPSD client support adding the following: - Advertise uAPSD support in HW capabilities - Set all ACs trigger- and delivery-enabled - Set max SP length to 2 buffered frames - Assign QNDP with the highest TID with no mandatory admission control required - Set uAPSD related parameters in Power Table command Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * iwlwifi: mvm: Fix beacon filtering enablement via debugfsAlexander Bondar2013-08-09
| | | | | | | | | | | | | | | | The code was only enabling it when already enabled, which obviously can't work. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | Merge branch 'for-john' of ↵John W. Linville2013-08-09
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
| * iwlwifi: mvm: Add RX statistics debugfs entryMatti Gottlieb2013-08-06
| | | | | | | | | | | | | | | | | | Add a debugfs entry for the RX statistics received from the firmware. Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | Merge branch 'for-john' of ↵John W. Linville2013-08-02
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
| * iwlwifi: mvm: fix debugfs restart if fw_restart is disabledEran Harary2013-07-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | If fw_restart is disabled, using the fw_restart debugfs file will enable fw_restart and then send the failing command, but this still frequently fails restart because it resets fw_restart afterwards and is thus racy. Fix this by tracking fw_restart separately and allowing "always restart", "never restart" and "restart N times". Signed-off-by: Eran Harary <eran.harary@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * iwlwifi: mvm: Change beacon filtering commandHila Gonen2013-07-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Change beacon filtering command due to a change in the API. In case the FW supports the old API, we do not send the BF HCMD and assume that since the corresponding struct in the FW is zeroed by default then we don't need to disable it in the FW actively. Signed-off-by: Hila Gonen <hila.gonen@intel.com> Signed-off-by: Dor Shaish <dor.shaish@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * iwlwifi: mvm: Upgrade to a new power management uAPSD APIAlexander Bondar2013-07-16
| | | | | | | | | | | | | | | | | | | | | | | | Change power management implementation to support new host-device API containing uAPSD parameters. Verify FW support for this new API. Use the new power table command (0xA9) to configure power management. Use the legacy command (0x77) if FW does not support the new API. New file power_legacy.c is introduced for legacy implementation. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | iwlwifi: mvm: Fix VIF specific debugfs directory creationAlexander Bondar2013-07-16
|/ | | | | | | | | Avoid creating VIF specific debugfs directory if already exist. This may happen when, for example, resetting hw, suspend-resume. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
* iwlwifi: mvm: Add support for Low Power RXAlexander Bondar2013-06-25
| | | | | | | | | | | | To improve power consumption in idle associated mode FW may lower RX power. This low linearity mode is acceptable for listening low rate RX such as beacons and groupcast. The driver enables LPRX only if PM is enabled and associated AP's beacon TX rate is 1Mbps or 6Mbps. LPRX RSSI threshold is used to limit a range where LPRX is applied. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: allow firmware crashes to wake system for debugJohannes Berg2013-06-18
| | | | | | | | | When the D3 firmware crashes, it can be helpful for debugging to resume the system to get the SRAM snapshot to see why it crashed. Allow enabling this with a debugfs option. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: implement D3 testingJohannes Berg2013-05-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For testing the D3 (WoWLAN) firmware, it is useful to be able to run the firmware with instrumentation while the host isn't sleeping and can poke at the firmware debug logging etc. Implement this by a debugfs file. When the file is opened the D3 firmware is loaded and all regular commands are blocked. While the file is being read, poll the firmware's PME status flag and report EOF once it changes to non-zero. When it is closed, do (most of) the resume processing. This lets a user just "cat" the file. Pressing Ctrl-C to kill the cat process will resume the firwmare as though the platform resumed for non-wireless reason and when the firmware wants to wake up reading from the file automatically completes. Unlike in real suspend, only disable interrupts and don't reset the TX/RX hardware while in the test mode. This is a workaround for some interrupt problems that happen only when the PCIe link isn't fully reset (presumably by changing the PCI config space registers which the core PCI code does.) Note that while regular operations are blocked from sending commands to the firmware, they could still be made and cause strange mac80211 issues. Therefore, while using this testing feature you need to be careful to not try to disconnect, roam or similar, and will see warnings for such attempts. Als note that this requires an upcoming firmware change to tell the driver the location of the PME status flag in SRAM. D3 test will fail if the firmware doesn't report the pointer. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: add debugfs for powersaveAlexander Bondar2013-05-29
| | | | | | Add debugfs files to control powersave parameters for testing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: don't store section offset/length in debugfsJohannes Berg2013-05-16
| | | | | | | | | | | | | | When different images can (soon) be accessed through this file, storing the section offset/length on first access to the file breaks (or needs manual reset). Avoid this by not storing the offset/length values but using them locally in the function only. That way, the correct values are always used. While at it, correct the check that firmware is loaded. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: optionally store D3 SRAM after resumeJohannes Berg2013-05-14
| | | | | | | | | | | The D3 image SRAM is overwritten by the runtime image, so it can't be accessed after resume. However, it can be very useful to look at it to know what happened during D3, so add the ability to store the image and make it available in debugfs. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: don't assume data section is at 0x800000Johannes Berg2013-05-13
| | | | | | | | | | In theory, the firmware format allows changing the data section offset. This may not be used today, but there's no reason for the driver to assume the data section is always at 0x800000 as it can know better. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: implement reduced Tx powerEmmanuel Grumbach2013-04-03
| | | | | | | | | | This allows to have better wifi TPT when BT is active under good RSSI conditions. Wifi will have better chance to send Acks and Cts even if BT is active. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: add per-interface debugfs with mac_params fileJohannes Berg2013-04-03
| | | | | | | | Use the per-interface debugfs infrastructure to create a directory and symlink, and add a file containing debug data related to each virtual interface. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: move firmware restart debugfs hook to op_modeEmmanuel Grumbach2013-03-06
| | | | | | | | | | | | | This allows to test fw restart flow. The hook in transport layer doesn't really make the fw assert. Moving this hook to the op_mode allows to use the fw API to actually send a host command that will make the fw assert. Change the restart_fw module parameter to be a boolean on the way. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: mvm: export last bt_notif through debugfsEmmanuel Grumbach2013-03-06
| | | | | | | | This will allow to track how BT core updates the driver. This is required to debug the BT Coexistence mechanism. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: convert to use simple_open()Wei Yongjun2013-03-06
| | | | | | | | | | This removes an open coded simple_open() function and replaces file operations references to the function with simple_open() instead. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: a few fixes in licenseEmmanuel Grumbach2013-03-06
| | | | | | | | | | 7000.c was released as GPL only by mistake: it should be dual licensed - GPL / BSD. The file that contains the license in the kernel is COPYING and not LICENSE.GPL. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* iwlwifi: add the MVM driverJohannes Berg2013-02-01
Newer firmware revisions have a completely new firmware API. This is the new driver for this new API. I've listed the people who directly contributed code, but many others from various teams have contributed in other ways. Cc: Alexander Bondar <alexander.bondar@intel.com> Cc: Amit Beka <amit.beka@intel.com> Cc: Amnon Paz <amnonx.paz@intel.com> Cc: Assaf Krauss <assaf.krauss@intel.com> Cc: David Spinadel <david.spinadel@intel.com> Cc: Dor Shaish <dor.shaish@intel.com> Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Cc: Eytan Lifshitz <eytan.lifshitz@intel.com> Cc: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-06-03 01:02:06 -0400