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2014-07-22iwlwifi: mvm: teardown TDLS peers during chan-switch and AP DCMArik Nemtsov
The DCM condition was not checked well for channel switch in both AP and station scenarios. Teardown was also not done for AP/GO DCM. Add the missing checks. Reported-by: Peer, Ilan <ilan.peer@intel.com> Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22Merge remote-tracking branch 'wireless-next/master' into iwlwifi-nextEmmanuel Grumbach
2014-07-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-nextJohn W. Linville
2014-07-22Merge branch 'iwlwifi-fixes' into iwlwifi-nextEmmanuel Grumbach
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Conflicts: drivers/net/wireless/iwlwifi/mvm/mac80211.c
2014-07-22iwlwifi: mvm: reset beacon filtering and BT Coex data upon FW restartEmmanuel Grumbach
When the firmware asserts, we restart the device and reset the relevant data we hold in the driver. BT Coex data was not reset and because of that, the driver wouldn't reconfigure the firmware properly after firmware restart. Same for beacon filtering. Fix that. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: update smart fifo / beacon filtering upon associationEran Harary
When we associate, we may have heard the beacon before the association. In that case, BSS_CHANGED_BEACON_INFO will be set along with BSS_CHANGED_ASSOC in changes in bss_info_change. In this case, we didn't update the smart fifo nor beacon filtering leaving those two feature disabled. Signed-off-by: Eran Harary <eran.harary@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: dump CSRs to fw-error-dumpEmmanuel Grumbach
Add the Control Status Registers to the firmware error dump infrastructure. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: dump periphery registers to fw-error-dumpEmmanuel Grumbach
Use the fw-error-dump infrastructure to dump the periphery registers. Only certain ranges are readable, so dump only these. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: split fw-error-dump between transport and mvmEmmanuel Grumbach
The mvm op_mode won't allocate the buffer for the transport any more. The transport allocates its own buffer and mvm is in charge of splicing the buffers in the debugfs hook. This makes the repartition easier to handle. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: fix inconsistency about power_save module parameterEmmanuel Grumbach
modinfo and kerneldoc disagreed on the meaning of this field. Reported-by: Andrea Oliveri <oliveriandrea@gmail.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: minor change in debug printEran Harary
Add OTP to the string: "can't parse empty OTP/NVM section" NVM usually refers to nvm_file while the problem can be in the OTP. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: wait for handlers when stopping scansEliad Peller
The recent unified scan api change introduced issues when stopping ongoing scans, since both regular and sched scan now use same stopped notification. When issuing a new scan right after a running one, we get the "old" notification and handle it wrongly as notification for the current scan. Fix it by introducing a new function that make sure we consume the pending notifications before issuing a new scan. Signed-off-by: Eliad Peller <eliad@wizery.com> Reviewed-by: ArikX Nemtsov <arik@wizery.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: BT Coex - don't change AP SMPS modeEmmanuel Grumbach
Leave it to default instead - regardless of the BT activity. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: BT Coex - fix the ACK / CTS kill maskEmmanuel Grumbach
According to new requirements, the ACK / CTS kill mask is not related to reduced TX power anymore. This allows to remove the code that tracked reduced TX power enablement across different interfaces. The ACK / CTS kill mask is now fetch from a table. It depends on the Activity grading (activity from BT) and on the Look Up Table (LUT) type. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-22iwlwifi: mvm: add Aux ROC request/response flowAriej Marjieh
The Remain On Channel framework added to the firmare is a bit like time events. It allows the driver to request the firmware to be on a certain channel for a certain time. Unlike the time events, the ROC infrastructure doesn't need a MAC context in the firmware - it uses a generic context called "auxiliary framework". This is useful for any offchannel activity that is not bound to a specific MAC. The flow is synchronized much like with time events: 1) The driver receives an action frame from the wpa_supplicant via nl80211 that requests to be sent offchannel. 2) The driver sends an Aux ROC command (0x53) to the firmware. 3) The firmware responds with the unique id of the time event. 4) When time event starts, the driver puts the frame in the Aux queue. Special care needs to be taken when the time events ends: the queue needs to be cleaned-up. Signed-off-by: Ariej Marjieh <ariej.marjieh@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21mac80211: add support for Rx reordering offloadingMichal Kazior
Some drivers may be performing most of Tx/Rx aggregation on their own (e.g. in firmware) including AddBa/DelBa negotiations but may otherwise require Rx reordering assistance. The patch exports 2 new functions for establishing Rx aggregation sessions in assumption device driver has taken care of the necessary negotiations. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> [fix endian bug] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: fix Rx reordering with RX_FLAG_AMSDU_MOREMichal Kazior
Some drivers (e.g. ath10k) report A-MSDU subframes individually with identical seqno. The A-MPDU Rx reorder code did not account for that which made it practically unusable with drivers using RX_FLAG_AMSDU_MORE because it would end up dropping a lot of frames resulting in confusion in upper network transport layers. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: remove useless NULL checksEytan Lifshitz
sdata can't be NULL, and key being NULL is really not possible unless the code is modified. The sdata check made a static analyze (klocwork) unhappy because we would get pointer to local (sdata->local) and only then check if sdata is non-NULL. Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> [remove !key check as well] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: fix a potential NULL access in ieee80211_crypto_hw_decryptMax Stepanov
The NULL pointer access could happen when ieee80211_crypto_hw_decrypt is called from ieee80211_rx_h_decrypt with the following condition: 1. rx->key->conf.cipher is not WEP, CCMP, TKIP or AES_CMAC 2. rx->sta is NULL When ieee80211_crypto_hw_decrypt is called, it verifies rx->sta->cipher_scheme and it will cause Oops if rx->sta is NULL. This path adds an addirional rx->sta == NULL verification in ieee80211_crypto_hw_decrypt for this case. Signed-off-by: Max Stepanov <Max.Stepanov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21wireless: fixup genregdb.awk for remove of antenna gain from wireless-regdLuis R. Rodriguez
Since "wireless-regdb: remove antenna gain" was merged in the wireless-regdb tree, the awk script parser has been incompatible with the 'official' regulatory database. This fixes that up. Without this change the max EIRP is set to 0 making 802.11 devices useless. The fragile nature of the awk parser must be replaced, but ideas over how to do that in the most scalable way are being reviewed. In the meantime update the documentation for CFG80211_INTERNAL_REGDB so folks are aware of expectations for now. Reported-by: John Walker <john@x109.net> Reported-by: Krishna Chaitanya <chaitanya.mgit@gmail.com> Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: remove redundant IEEE80211_STA_CSA_RECEIVED flagLuciano Coelho
The csa_active flag was added in sdata a while ago and made IEEE80211_STA_CSA_RECEIVED redundant. The new flag is also used to mark when CSA is ongoing on other iftypes and took over the old one as the preferred method for checking whether we're in the middle of a channel switch. Remove the old, redundant flag. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: make sure TDLS teardown packet is sent on timeLiad Kaufman
Since the teardown packet is created while the queues are stopped, it isn't sent immediately, but rather is pending. To be sure that when we flush the queues prior to destroying the station we also send this packet - the tasklet handling pending packets is invoked to flush the packets. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: ArikX Nemtsov <arik@wizery.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: ignore frames between TDLS peers when operating as APArik Nemtsov
If the AP receives actions frames destined for other peers, it may mistakenly toggle BA-sessions from itself to a peer. Ignore TDLS data packets as well - the AP should not handle them. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21cfg80211: fix TDLS setup with VHT peersArik Nemtsov
Some VHT TDLS peers (Google Nexus 5) include the VHT-AID IE in their TDLS setup request/response. Usermode passes this aid as the station aid, causing it to fail verifiction, since this happens in the "set_station" stage. Make an exception for the TDLS use-case. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: disable VHT for TDLSArik Nemtsov
TDLS VHT support requires some more information elements during setup. While these are not there, mask out the peer's VHT capabilities so that VHT rates are not mistakenly used. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: set Rx highest rate in ht_capArik Nemtsov
Set for completeness mostly, currently unused in the code. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: support HT for TDLS stationsArik Nemtsov
Add the HT capabilities and HT operation information elements to TDLS setup packets where appropriate. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: move TDLS data to mgd private partArik Nemtsov
We can only be a station for TDLS connections. Also fix a bug where a delayed work could be left scheduled if the station interface was brought down during TDLS setup. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: add TDLS QoS param IE on setup-confirmArik Nemtsov
When TDLS QoS is supported by the the peer and the local card, add the WMM parameter IE to the setup-confirm frame. Take the QoS settings from the current AP, or if unsupported, use the default values from the specification. This behavior is mandated by IEEE802.11-2012 section 10.22.4. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: add QoS IE during TDLS setup startArik Nemtsov
If QoS is supported by the card, add an appropriate IE to TDLS setup- request and setup-response frames. Consolidate the setting of the WMM info IE across mac80211. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: set TDLS capab to zero on failure framesArik Nemtsov
When sending setup-failure frames, set the capability field to zero, as mandated by the specification (IEEE802.11-2012 8.5.13). Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: avoid adding some IEs on TDLS setup failure packetsArik Nemtsov
Most setup-specific information elements are not to be added when a setup frame is sent with an error status code. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: split extra TDLS IEs in setup framesArik Nemtsov
When building TDLS setup frames, use the IE order mandates in the specification, splitting extra IEs coming from usermode. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: consolidate TDLS IE treatmentArik Nemtsov
Add all information elements for TDLS discovery and setup in the same function. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: fix error path for TDLS setupArik Nemtsov
The patch "8f02e6b mac80211: make sure TDLS peer STA exists during setup" broke TDLS error paths where the STA doesn't exist when sending the error. Fix it by only testing for STA existence during a non-error flow. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21mac80211: track TDLS initiator internallyArik Nemtsov
Infer the TDLS initiator and track it in mac80211 via a STA flag. This avoids breaking old userspace that doesn't pass it via nl80211 APIs. The only case where userspace will need to pass the initiator is when the STA is removed due to unreachability before a teardown packet is sent. Support for unreachability was only recently added to wpa_supplicant, so it won't be a problem in practice. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-07-21iwlwifi: mvm: Define AUX ROC CommandAriej Marjieh
Add new AUX ROC command that is intended for HS2.0 purposes. It is used to send ANQP requests on a specific channel. This command requests the firmware to trigger a time event and remain on a certain channel for a given duration. Triggering the time event is done by using the Aux Framework in the firmware, and makes use of the Aux station (similarly to scan). Signed-off-by: Ariej Marjieh <ariej.marjieh@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: mvm: Enabling Aux QueueAriej Marjieh
Enabling the Aux queue and mapping it to FIFO 5. Defining the Aux queue for the Aux station. Signed-off-by: Ariej Marjieh <ariej.marjieh@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: mvm: add some missing iwl_mvm_ref_sync() callsEliad Peller
Add iwl_mvm_ref_sync() calls (with new ref types) to flows that might access the device directly. These calls make sure the device is out of d0i3, and the bus is available for direct access. Since some of these functions are reentrant, convert the refs_bitmap to a ref counter, so multiple refs of the same type could be taken concurrently. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: mvm: fix wrong offset while reading from NVMEytan Lifshitz
As part of thermal throttling, some data is being read from NVM. The offset is in words, but was addressed as in octets. fixed. Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: mvm: pass beacons from foreign APsEliad Peller
In AP mode, configure the fw to pass beacons from foreign APs, in order to be able to set the ht protection IE properly. Add the same filters in case of GO (which didn't have any configured filter_flags, probably by mistake) Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: mvm: use C99 initializers for add_staEmmanuel Grumbach
Instead of code the fixed values, use a C99 initializer. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: fix Kconfig issuesEmmanuel Grumbach
Randy fixes a few issues in iwlwifi's Kconfig. Because of this, 'Debugging options' was not indented under iwlwifi using menuconfig. I added a few other fixes on the way, like the link to the website and added 7265 in the supported NICs. Reported-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Johannes Berg <johannes.berg@intel.com> [ Commit message + other fixes ] Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-21iwlwifi: add max RX aggregation sizeOren Givon
Allow to configure the maximal Rx AMPDU size per device. Signed-off-by: Oren Givon <oren.givon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-07-18mwifiex: remove redundant timestamps in debug printsBing Zhao
We don't need wall-clock time here, and in most configurations that care, there are already timestamps in the kernel using CONFIG_PRINTK_TIME=y. Reported-by: Paul Stewart <pstew@chromium.org> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-18mwifiex: do not re-associate when already connectedUjjal Roy
In managed mode if the driver is getting a re-associate command from cfg80211, driver deauthenticates with the AP internally and sends a disconnected event to cfg80211 before completion of its association process. The disconnected event then modifies the SSID length as wdev->ssid_len = 0. So, upon receiving the connect result event from driver, cfg80211 is unable to get that BSS from the device's BSS list and generates the following WARN_ON message. WARNING: CPU: 0 PID: 857 at net/wireless/sme.c:658 __cfg80211_connect_result+0x3a6/0x3e0 [cfg80211]() Avoid re-association while the device is already associated to a network. Also remove the internal deauthentication from the association path. Signed-off-by: Ujjal Roy <royujjal@gmail.com> Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-18mwifiex: remove needless current_bssid variableAvinash Patil
This local variable is not used anywhere in function. Signed-off-by: Avinash Patil <patila@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-18b43: N-PHY: update spur avoidance to support newer devicesRafał Miłecki
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-18b43: use one shared function for setting MAC frequencyRafał Miłecki
By the way add few chipsets that were tracked with "wl" dumps. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-07-18b43: N-PHY: set band on every channel switchRafał Miłecki
Seems to be required by some hardware, wl does it every time. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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