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2015-04-01iwlwifi: check the size of the trigger struct from the firmware fileEmmanuel Grumbach1-0/+28
When we access the triggers we need to make sure that the data we expect was actually provided by the firmware file. Check this when we decode the triggers from the firmware file. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-30iwlwifi: mvm: rs: fix comment indentationLiad Kaufman1-3/+1
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-30iwlwifi: mvm: Clean up UMAC scan UIDs in the reset and drv_stop flowsAlexander Bondar2-3/+48
In the reset flow, the driver cancels ongoing scan and sends scan complete notification to mac80211. However it does not clean its UID. Add cleaning scan UID for the ongoing scan. Loop over all other UIDs to make sure there's nothing left there and warn if any is found. Signed-off-by: Alexander Bondar <alexander.bondar@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-30iwlwifi: 8000: change PNVM in case it doesn't match to the HW stepEran Harary4-10/+46
There is a strong relationship between the NVM version and the hardware step. Enforce that in the driver in case the default NVM on the platform is the wrong one. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-30iwlwifi: mvm: fix debug print in the RSA ownership workaroundEran Harary1-3/+7
The semaphore may not be accessible. Fix the debug prints accordingly. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-30iwlwifi: mvm: allow to configure the timeout for the Tx queuesEmmanuel Grumbach7-12/+80
Sometimes we will want to configure the timeouts for the Tx queues based on the vif type. Allow to do that using the trigger mechanism. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: drop support for early versions of 8000Emmanuel Grumbach11-116/+46
These early versions are no longer supported. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: mvm: use debugfs_create_bool() for enable_scan_iteration_notifLuciano Coelho2-24/+6
There is no need to implement the enable_scan_iteration_notif handling explicitly and there's no reason not to export the current value. So use debugfs_create_bool() instead. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: mvm: add delay to scheduled scanLuciano Coelho1-1/+9
Add support for delaying the start of a scheduled scan (or a WoWLAN net-detect scan). Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: pcie: initialize trans_pcie->ref_count on configure()Eliad Peller1-4/+3
ref_count is currently initialized on start_fw(). This causes some issues in restart flow, as currently active references (e.g. unclaimed command) will get cleared, resulting in invalid reference accounting. Move the ref_count initialization to the configure() trans op, so it won't be re-initialized on restart. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: mvm: inform mac80211 about umac scans that was aborted by restartDavid Spinadel3-12/+34
In nic restart flow we inform mac80211 that scan was aborted, but it was based only on scan_status which is not set by UMAC scan. Fix that. Signed-off-by: David Spinadel <david.spinadel@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-26iwlwifi: mvm: remove d0i3 ref correctly during AP startArik Nemtsov1-2/+1
The AP_START d0i3 reference was never removed if the AP started correctly. This has the unpleasant side-effect of preventing D0i3 on Android if the WiFi hotspot was ever started on the device. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-19iwlwifi: mvm: take IWL_MVM_REF_UCODE_DOWN before restarting hwEliad Peller1-0/+2
we unref IWL_MVM_REF_UCODE_DOWN on iwl_mvm_restart_complete(). Usually, the restart is initiated by iwl_mvm_nic_restart(), which takes the reference before restarting the hw. However, in D3 flow we might call ieee80211_restart_hw() directly (in case of suspend error and on d3_test-resume), which without taking the ref first. fix it. Signed-off-by: Eliad Peller <eliadx.peller@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-19iwlwifi: mvm: don't wait for firmware verificationEran Harary2-36/+0
The firmware has a race in the flow that indicates the completion of the authentication. Checking the completion of the authentication is not really needed anyway since we can wait for the ALIVE notification instead. Remove the unneeded and buggy code. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: mvm: remove time-event start/end failure warningJohannes Berg1-5/+10
This warning is misleading. In many cases, for example P2P ROC time events, this will happen if the time event is aborted, for example due to a higher priority time event. This is entirely normal and not worth warning about. In other cases, where we actually do act upon this, for example when trying to connect and this fails, we should instead warn as part of the disconnect operation. Change the code to do that, i.e. make the warning a debug message, and make it more prominent (an error) when we actually disconnect because of it. This also fixes confusion in the logs - the warning was mistaken for something that needed investigation, while in most cases it's just expected behaviour that occasionally some lower-priority time events would not complete fully. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: mvm: add iccm data to 8000 b-step data dumpLiad Kaufman1-0/+24
In 8000 HW family B-step only, the ICCM is separate from the SRAM. This adds the ICCM to the dump data collected for FW debug. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: mvm: properly flush the queues for buffering transportEmmanuel Grumbach3-0/+46
There are transport that must buffer frames in the driver. This means that we have frames that are not in the op_mode and not visible to the firwmare. This causes issues when we flush the queues: the op_mode flushes a queue, and the firmware flushes all the frames that are *currently* on the rings, but if the transport buffers frames, it can submit these while we are flushing. This leads to a situation where we still have frames on the queues after we flushed them. Preventing those buffered frame from getting into the firmware is possible, but then, we have to run the Tx response path on frames that didn't reach the firmware which is not desirable. The way I solve this here is to let these frames go to the firmware, but make sure the firmware will not transmit them (by setting the station as draining). The op_mode then needs to wait until the transport itself is empty to be sure that the queue is really empty. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: pcie: add rx packet sequence number to dbg printLiad Kaufman1-3/+5
For each RX packet until this patch there only was a debug print of the HCMD and the offset. This adds also the sequence number of the packet for easier matching between what was sent, what came back / was received, and what got stuck somewhere and was never responded by the FW. Signed-off-by: Liad Kaufman <liad.kaufman@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: mvm: assign new TLV bit for multi-source LARArik Nemtsov2-1/+7
According to FW methodology, the capability bits should be the only ones that change per-HW. The API bits should remain constant across different HWs. Currently this is not the case with multi-source LAR (API bit 9). Assign a new capability bit to eventually replace the API bit. Until the API bit can be deprecated, the driver will check either to enable multi-source LAR. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-18iwlwifi: mvm: continue (with error) CSA on GO time event failureJohannes Berg3-6/+20
If, on a GO, the CSA time event fails to be scheduled, continue the flow towards mac80211's state machine so it doesn't get stuck, but report an error later on the post switch which will cause mac80211 to tear down the operation. This ensures nothing gets stuck due to the scheduling failure. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: simplify iwl_mvm_get_wakeup_status() returnJohannes Berg1-4/+4
The return value in iwl_mvm_get_wakeup_status() is a bit unclear in that it's not obvious that we don't leak fw_status in some cases. Use fw_status directly with ERR_PTR() and return only it, that way the compiler has a chance of proving that it's uninitialized (if it ever is due to new changes.) Additionally, this removes a smatch warning since smatch couldn't figure out that fw_status can't, in fact, leak here. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: don't double unlock the mutex in __iwl_mvm_resume()Luciano Coelho1-1/+1
When IWLWIFI_DEBUGFS is not set, we should not unlock the mutex after calling iwl_mvm_query_wakeup_reasons(), because this function unlocks it already. Move the goto out_iterate outside the #ifdef. Change-Id: I13d86402aecf0eeec44b1abbe2b244fbc706a5eb Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
2015-03-12iwlwifi: mvm: clarify time event end handlingJohannes Berg1-7/+13
The code here is a little confusing, the iwl_mvm_te_check_disconnect() will check that the interface is a station, but going into it after already having processed the time even end for P2P seems strange at first look. Put a switch statement there to distinguish the interface types and make this more readable. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: Always enable the smart FIFOEran Harary2-10/+68
We previously enabled the smart FIFO (SF) in BSS only after association. This cause interrupt latency on P2P on certain devices. Change the working model to enable the SF all the time and play with the timeout values based on the association state. This change was not tested on older firwmares, so make it happen only on -13.ucode and up. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: update copyright to include 2015Emmanuel Grumbach1-1/+1
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: add more new 8260 series PCI IDsOren Givon1-0/+8
More sub system IDs were introduced for the 8260 series. Add the new sub system IDs so the cards can be recognized. Signed-off-by: Oren Givon <oren.givon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: BT Coex - update the new APIEmmanuel Grumbach5-298/+65
The firmware was not using the new API, so we don't need to differentiate between the different stages of this new API. The main difference here is that most of the hard coded values are not sent through the command anymore. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: fix force NMI for 8000Emmanuel Grumbach1-0/+2
The newer devices will enable a new register for this (DEVICE_SET_NMI_8000B_REG), but the interrupt handler isn't wired yet. Keep the old register for now. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: freeze the non-shared queues when a station goes to sleepEmmanuel Grumbach1-11/+25
When a station goes to sleep, we can't transmit any frame to it. This means that until that station will wake up, a queue that is dedicated to this station won't progress at all. Take this into account when monitoring stuck queues and don't account for the time the station was asleep. This allows to mask false positives where the queues are stuck not because of a bug, but because of the station being asleep. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: pcie: allow the op_mode to freeze the stuck queue timerEmmanuel Grumbach4-3/+89
This allows the op_mode to let the transport know that a queue is currently frozen and that its timer should be stopped. When the queue is unfrozen, its timer should be set to expire after the remainder of the timeout has elapsed. This can be used when stations go to sleep. When a station goes to sleep, the op_mode can freeze the timer so that the queue will never be considered as stuck. When the station wakes up, the queue will be unfrozen. This is meant to avoid false positives that would happen if a buggy station goes to sleep for a very long time. In case we have a dedicated queue for this station (BA agreement) and it goes to sleep for a very long time, the queue would rightfully be stopped during all that time. In this case, the stuck queue timer could fire and that would be a false positive. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: rs: update Tx statistics when using fixed rateEyal Shapira1-7/+63
The Tx statistics weren't updated when using fixed rate for debugging. Fix this as Tx statistics are useful in this use case. Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: don't init MCC during CT-killArik Nemtsov1-3/+9
RTNL is not taken during CT-kill so regulatory APIs cannot be invoked. That's fine, since the HW is only brought up to check the temperature during CT-kill. We don't expect Tx or scanning. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: remove warning on station exhaustionJohannes Berg1-1/+1
When using IBSS, it's easily possible to exhaust the number of available stations in the driver, so don't warn on it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: trans: Take ownership on secure machine before FW loadEran Harary2-0/+52
When we load the firmware for the 8000 B step device, it'll verify its signature. In the current version of the hardware, there can be a race between the WiFi firmware being loaded and the Bluetooth firmware being loaded. Check that WiFi is authenticated, if not, take ownership on the authentication machine to make sure that the WiFi firmware will be authenticated. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: add new 8260 series PCI IDsOren Givon1-1/+18
New sub system IDs were introduced for the 8260 series. This patch adds them so new 8260 cards can be recognized. Signed-off-by: Oren Givon <oren.givon@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: rs: improve ss_params debug printEyal Shapira1-4/+4
Make the print a bit more readable. Reported-by: Joe Perches <joe@perches.com> Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: don't allow the FW to return invalid ch indicesArik Nemtsov1-0/+5
If the FW returns an invalid channels count in response to an MCC request, make sure we don't reference invalid indices in the channels array. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: reflect TDLS pm state in mvmvif->pm_enabledArik Nemtsov1-1/+5
When entering D0i3, the MVM mutex cannot be grabbed. This interferes with the calculation of the number of connected TDLS stations during the setup of the power cmd. The goal is to disable power saving for all vifs while any TDLS station is connected. For this purpose it is enough to keep the pm_enabled member of all mvmvifs as false. An update of the power state already occurs when a TDLS station is added/removed, so the values are correctly updated. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: fix identationEmmanuel Grumbach1-2/+2
mvm->fw->dbg_dest_tlv really needs to be under the right parenthesis. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: remove unneeded include iwl-fw-error-dump.hEmmanuel Grumbach1-1/+0
The functions related to firmware error dump moved. No need for this unclude anymore. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: use correct NVM offset for LAR enable for new NVMsArik Nemtsov1-3/+7
New NVM versions in LnP platforms have the lar_enable bits in a different offset. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: fix smatch warning: warn: inconsistent indentingEmmanuel Grumbach4-24/+25
While at it, fix a few checkpatch issues. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: pcie: include more registers in the prph dumpEmmanuel Grumbach1-8/+9
This adds BT Coex data to the prph register list. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: pcie: speed up the Tx DMA stop flowEmmanuel Grumbach1-17/+34
We don't need to acquire MAC access for each access, it makes much more sense to keep the MAC access. This speeds up the Tx DMA stop flow significantly. Moreover, if one channel can't be stopped, stop the others but don't poll for them to avoid being stuck there for a long time. This solves a situation in which we were stuck in that flow for way too long with a spinlock held which led to a kernel panic. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: support family 8000 B2/C stepsEran Harary2-1/+45
In-order to recognize newer step of the device, the driver must read the chip_version_id from the AUX bus MISC address space. This will determine what firmware file will be loaded. Signed-off-by: Eran Harary <eran.harary@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: always update the quota after associationEmmanuel Grumbach4-13/+14
When we associate we always need to update the quotas. This fixes a bug for cases in which quotas weren't udapted after association. Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: BT Coex - disable RRC by defaultEmmanuel Grumbach3-1/+9
Enable this feature only if the firmware advertises support for it. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: remove IWL_UCODE_TLV_API_SF_NO_DUMMY_NOTIFEmmanuel Grumbach2-4/+1
All the supported firmwares support this API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: mvm: remove IWL_UCODE_TLV_API_DISABLE_STA_TXEmmanuel Grumbach2-5/+0
All the supported firwmares have this new API. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-03-12iwlwifi: bump API to 13 for devices that use iwlmvmEmmanuel Grumbach2-6/+6
This new firmware will come out soon. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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