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path: root/drivers/net/wireless/rsi/rsi_91x_mgmt.c
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2019-10-01rsi: release skb if rsi_prepare_beacon failsNavid Emamdoost
In rsi_send_beacon, if rsi_prepare_beacon fails the allocated skb should be released. Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-25rsi: miscallaneous changes for 9116 and commonSiva Rebbagondla
Below changes are done: * Device 80MHz clock should be disabled for 9116 in 20MHz band. * Default edca parameters should be used initially before connection. * Default TA aggregation is 3 for 9116. * Bootup parameters should be loaded first when channel is changed. * 4 byte register writes are possible for 9116. Signed-off-by: Siva Rebbagondla <siva8118@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-25rsi: send new tx command frame wlan9116 featuresSiva Rebbagondla
For 9116 device, we have introduced w9116 features frame, which shall be send when radio capabilities confirm is received. Signed-off-by: Siva Rebbagondla <siva8118@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-25rsi: new bootup parameters for 9116Siva Rebbagondla
Bootup parameters are different for 9116 device. Check added for device model where-ever bootup parameters are being send. Signed-off-by: Siva Rebbagondla <siva8118@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-04-25rsi: change in device init frame sequence for 9116Siva Rebbagondla
Initial frame exchange sequence has been changed for 9116 chip. Getting MAC address using EEPROM read frame will be once common device configuration is done and RESET_MAC frame is sending after bootup parameters confirmation is received, which are different from RS9113 device Signed-off-by: Siva Rebbagondla <siva8118@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-28rsi: fix missing null pointer check from a failed ieee80211_probereq_get callColin Ian King
The call to ieee80211_probereq_get can return NULL if a skb allocation fails, so add a null pointer check and free an earlier skb on the error exit return path. Fixes: 7fdcb8e12660 ("rsi: add support for hardware scan offload") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-19rsi: fix spelling mistakesSiva Rebbagondla
Trivial fixes to spelling mistakes in various files in rsi folder. Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08rsi: Add debug support for wowlan wakeup confirmationSiva Rebbagondla
When a wowlan magic-packet has received to wake up the device, currently driver is not taking care of what kind of packet has received. This patch will add debug support for wakeup reason in driver. Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-01-10rsi: add support for hardware scan offloadPrameela Rani Garnepudi
With the current approach of scanning, roaming delays are observed. Firmware has support for back ground scanning. To get this advantage, mac80211 hardware scan is implemented, which decides type of scan to do based on connected state. When station is in not connected, driver returns with special value 1 to trigger software scan in mac80211. In case of connected state, background scan will be triggered. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-31rsi: fix for WoWLAN wakeup in security mode.Siva Rebbagondla
System is unable to wake-up through magic-packet in secured connections. Because key descriptor is getting corrupted and firmware is unable to decrypt the magic packet. Fixed the issue by properly preparing it before sending it to firmware. Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Sushant Kumar Mishra <sushant.mishra@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-07-31rsi: fix for 40MHZ connection issue.Ganapathi Raju
Radio capabilities packet is not prepared properly for 40MHZ case, ppe_ack_rate is a two byte variable which is initialized wrongly, hence we are unable to connect, resolved by assigning it properly. Signed-off-by: Ganapathi Raju <ganapathi.kondraju@redpinesignals.com> Signed-off-by: Sushant Kumar Mishra <sushant.mishra@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-05-23rsi: add fix for corruption of auto rate tableSanjay Konduri
Auto rate table sent to firmware is getting corrupted as memset to zeros is not done. Added memset to skb data before filling auto rate table. Signed-off-by: Sanjay Konduri <sanjay.konduri@redpinesignals.com> Signed-off-by: Sushant Kumar Mishra <sushant.mishra@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-04-24rsi: roaming enhancementsPrameela Rani Garnepudi
To support roaming below changes are done: * Station notify frame is send to firmware after sending assoc request. This will avoid dropping of first EAPOL frame due to delay in creation of station control block in firmware. * Data queues are unblocked after sending station notify in open mode, after configuring key in WEP mode, and after receiving EAPOL4 confirm in WPA mode. * Initial EAPOL frames priority is chaged to MGMT, rekey EAPOL frames priority changed to VO. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-04-24rsi: enable 80MHz clock by defaultPrameela Rani Garnepudi
80MHz clock for device should be enabled by default in TX command frame radio capabilities. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13rsi: add coex supportPrameela Rani Garnepudi
With BT support, driver has to handle two streams of data (i.e. wlan and BT). Actual coex implementation is in firmware. Coex module just schedule the packets to firmware by taking them from the corresponding paths. Structures for module and protocol operations are introduced for this purpose. Protocol operations structure is global structure which can be shared among different modules. Move initialization of coex and operating mode values to rsi_91x_init(). Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-11-02rsi: fix kbuild reported build errors with CONFIG_PM offAmitkumar Karwar
Some wowlan related code was outside CONFIG_PM flag which caused these build errors. They are fixed by moving that code under CONFIG_PM flag. Reported-by: kbuild test robot <fengguang.wu@intel.com> Fixes: ef71ed0608c ("rsi: sdio: Add WOWLAN support for S5 shutdown state") Fixes: a24e35fcee0 ("rsi: sdio: Add WOWLAN support for S4 hibernate state") Fixes: e1ced6422a3 ("rsi: sdio: add WOWLAN support for S3 suspend state") Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-10-30rsi: sdio: Add WOWLAN support for S4 hibernate stateKarun Eagalapati
We are disabling of interrupts from firmware in freeze handler. Also setting power management capability KEEP_MMC_POWER to make device wakeup for WoWLAN trigger. At restore, we observed a device reset on some platforms. Hence reloading of firmware and device initialization is performed. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-10-30rsi: sdio: add WOWLAN support for S3 suspend stateKarun Eagalapati
WoWLAN is supported in RS9113 device through GPIO pin2. wowlan config frame is internally sent to firmware in mac80211 suspend handler. Also beacon miss threshold and keep-alive time values are increased to avoid un-necessary disconnection with AP. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: miscellaneous changes for p2p modePrameela Rani Garnepudi
Add P2P_GO condition as well when handling BEACON_ENABLE from mac80211. Also passing 'vif' for auto rate request. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: disallow power save config when AP vap runningPrameela Rani Garnepudi
When AP or P2P GO VAP is running, power save configuration should be disallowed. To check interface type in power save configuration 'vif' parameters is passed. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: tx and rx path enhancements for p2p modePrameela Rani Garnepudi
Data descriptor is updated to include vap_id. TX command frame key config also updated to include vap_id. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: handle peer connection and disconnection in p2p modePrameela Rani Garnepudi
Parameter 'vif' is passed to inform_bss_status function to check the type of vif and to get vap_id. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: add support for p2p listenPrameela Rani Garnepudi
Remain-on-channel and cancel-remain-on-channel are implemented to support p2p listen phase. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-09-20rsi: add/remove interface enhancements for p2pPrameela Rani Garnepudi
STA_OPMODE and AP_OPMODE macros are renamed to RSI_OPMODE_STA and RSI_OPMODE_AP. New opmodes are added to this list for P2P support. Mapping of mac80211 interface types to rsi interface types are added. Add and remove interface callbacks are handled for P2P mode. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: security enhancements for AP modePrameela Rani Garnepudi
Station id should be set in load key frame configured to device. For WEP mode, key is configured once from mac80211. This key is saved and configured to device every time a station is connected. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: aggregation parameters frame for AP modePrameela Rani Garnepudi
TX command frame ampdu aggregation parameters is updated to include sta_id for AP mode. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: update tx auto rate command frame for AP modePrameela Rani Garnepudi
Auto rate frame is sent to firmware when a new station is connected. Station id and station's ht capabilities are updated in auto rate command frame. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: use common descriptor for auto rate framePrameela Rani Garnepudi
TX command frame auto rate request is modified to use common descriptor struture. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: handle station connection in AP modePrameela Rani Garnepudi
Station structures are maintained in driver with required fields. When mac80211 callback sta_add is called, driver iterates through list of connected stations to check available index and assigns station id which is important for further communication to that station. Then peer notify frame is send to firmware to inform the firmware about new station connection. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: add beacon changes for AP modePrameela Rani Garnepudi
Mac80211 config parameter BEACON_ENABLE is handled. When VAP capabilities frame with AP mode is configured to firmware, beacon events start coming to host at each PreTBTT. At this time, beacon is taken from mac80211, descriptor is prepared and send to firmware. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-17rsi: add interface changes for ap modePrameela Rani Garnepudi
AP mode is handled in add_interface callback of mac80211. Also for AP mode, sending rx filter frame to disallow beacons to host is added. Station structures are initialized to NULL. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-08rsi: RTS threshold configurationKarun Eagalapati
Provision is added for configuring RTS threshold by sending vap dynamic update frame to firmware. Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-08rsi: add support for U-APSD power saveKarun Eagalapati
This patch adds support for U-APSD power save. Configuration frame is downloaded to firmware with default settings and support is advertised to mac80211 Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-08rsi: add support for legacy power saveKarun Eagalapati
This patch adds support for legacy power save. Necessary configuration frames are downloaded to firmware when power save is enabled/disabled Signed-off-by: Karun Eagalapati <karun256@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-08rsi: update set_antenna command framePavani Muthyala
TX command frame set_antenna is modified to use common descriptor structure. Also it's subframe type is set. Signed-off-by: Pavani Muthyala <pavani.muthyala@redpinesignals.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-08-08rsi: fix uninitialized descriptor pointer issuePrameela Rani Garnepudi
This patch fixes the uninitialized descriptor pointer issue in function rsi_send_internal_mgmt_frame(). Descriptor should point to start of the skb data. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 9a629fafe7d8 ("rsi: immediate wakeup bit and priority for TX command packets") Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: update tx command frame block/unblock dataPrameela Rani Garnepudi
TX command frame block/unblock data is modified to use common descriptor structure. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: block/unblock data queues as per connection statusPrameela Rani Garnepudi
Data queues should be unblocked after station add notify frame is sent and should be blocked after station delete notify is sent. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: update autorate request command framePrameela Rani Garnepudi
When Short Gaurd Interval is enabled bit 9 is set in rate. Otherwise it should not be set. Added missing 'else' case in this patch. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: set_key enhancementsPrameela Rani Garnepudi
Broadcast bit to be set for broadcast and multicast packets. For remove_key, tx and rx mic need not be filled. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: update set_key command framePrameela Rani Garnepudi
TX command frame set_key is modified to use common descriptor structure. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: update vap capabilities command framePrameela Rani Garnepudi
VAP capablities frame configured to device is modified to use common descriptor structure. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: update set_channel command framePrameela Rani Garnepudi
TX command frame set_channel is modified to use common descriptor structure. Also DFS channel indication to firmware is added in the descriptor for dfs channels configuration. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: Update baseband RF programming framePrameela Rani Garnepudi
Baseband RF programming frame configured to device is modified to use common descriptor structure. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: Update aggregation parameters command framePrameela Rani Garnepudi
AMPDU aggregation parameters frame configured to device is modified to use common descriptor structure. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: Update peer notify command framePrameela Rani Garnepudi
TX command frame peer notify is updated to use common descriptor structure. MPDU density value added to the frame. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: remove unnecessary check for 802.11 management packetPrameela Rani Garnepudi
The function rsi_mgmt_pkt_to_core() is for passing the 802.11 management frames to mac80211. So, it is unnecessary to check again for the frame type 802.11 management in this function. It can be checked before passing to this function. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: Update in tx command frame radio capabilitiesPrameela Rani Garnepudi
Radio capabilities frame is updated to use common descriptor structure. Also, few changes to this frame is done like hardware queues are increase to 12 from 8, default channel number is included. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: immediate wakeup bit and priority for TX command packetsPrameela Rani Garnepudi
For all TX command packets immediate wakeup bit needs to be set in descriptor. This will make sure device will wakeup if it is in any sleep state. Priority of the packet is also set. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-07-28rsi: changes in eeprom read framePrameela Rani Garnepudi
EEPROM read frame is sent during device initialization to read mac address. The format of the frame is modified in firmware to include eeprom length and offset. This frame does not return firmware version now. Also same frame is sent again to read rf type and band information. Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com> Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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