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2013-06-13iwlwifi: reduce debug ifdefs using the optimiserJohannes Berg
Instead of using #ifdef CONFIG_IWLWIFI_DEBUG, remove the iwlwifi_mod_params.debug_level variable completely and make iwl_have_debug_level() always return false in the non-debug case. This way, the optimiser will elide all code for it automatically without having to add #ifdefs. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-13iwlwifi: remove calib channel section from PHY DBDavid Spinadel
Remove calibration per-channel data as it's no longer used. Signed-off-by: David Spinadel <david.spinadel@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-13iwlwifi: mvm: removed an unused parameter from a functionOren Givon
Remove the unused iwl_mvm *mvm parameter from the iwl_mvm_send_remote_wake_cfg function in D3.c. 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>
2013-06-13iwlwifi: pcie: don't read INTA register in ICT IRQ handlerJohannes Berg
There's no reason to read the INTA register in the ICT IRQ handler, this interrupt mechanism is designed to not have to read as many registers as the regular one. Not reading the INTA register gives a significant performance/CPU use improvement. Since we still want to get this info, fetch it only if the ISR debug level is enabled. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-13iwlwifi: make TX seqno validation more efficientJohannes Berg
Accessing the device in Tx path is not a good idea. Mirror the data in DRAM. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: mvm: Update the supported interface combinationsIlan Peer
iwlmvm does not support concurrent operation of AP with P2P Client/GO. Update the interface limits to reflect that iwlmvm supports only concurrent operation of station with AP and P2P Client/GO. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: mvm: don't set the MCAST queue in STA's queue listEmmanuel Grumbach
The MCAST queue should be enabled after DTIM only. According to fw API, the MCAST must not be attached to any station, but should appear in the mcast_qid of the AP's mac context only. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: mvm: properly tell the fw that a STA is awakeEmmanuel Grumbach
The firmware API wasn't being used correctly, fix that. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11Merge remote-tracking branch 'wireless-next/master' into iwlwifi-nextJohannes Berg
2013-06-11iwlwifi: include export.h instead of module.hJohannes Berg
We only need EXPORT_SYMBOL_GPL, none of the other things from module.h, so only include export.h. Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: ignore 0-length PHY DB sectionsEmmanuel Grumbach
This can happen during development but can cause problems, WARN (once) and go on. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Guy Cohen <guy.cohen@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: mvm: fix irrelevant commentEmmanuel Grumbach
This code moved and is now far away from the code that takes the mutex. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11iwlwifi: mvm: remove unused wait_for_ba fieldEmmanuel Grumbach
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-11cw1200: Fix an assorted pile of checkpatch warnings.Solomon Peachy
Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-11cw1200: Eliminate the ETF debug/engineering code.Solomon Peachy
This is only really useful for people who are bringing up new hardware designs and have access to the proprietary vendor tools that interface with this mode. It'll live out of tree until it's rewritten to use a less kludgy interface. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-11cw1200: Remove "ITP" debug subsystem.Solomon Peachy
This can live on as an out-of-tree patch for those that care. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10rt2x00: rt2x00queue: initialize data_queue fields earlierGabor Juhos
Support for rt2800 device is broken since my 'rt2x00: rt2x00dev: use rt2x00dev->tx->limit' patch. The changelog of that commit says that the TX data queue is initialized already when the rt2x00lib_probe_hw() function is called. However as Jakub noticed it, this statement is not correct. The queue->limit field is initialized in the rt2x00queue_alloc_entries routine and that is not yet called when rt2x00lib_probe_hw() runs. Because the value of tx->limit contains zero, the driver tries to allocate a kernel fifo with zero size and kfifo_alloc rejects that with -EINVAL. PCI: Enabling device 0000:01:00.0 (0000 -> 0002) ieee80211 phy1: rt2x00_set_rt: Info - RT chipset 3071, rev 021c detected ieee80211 phy1: rt2x00_set_rf: Info - RF chipset 0008 detected ieee80211 phy1: rt2x00lib_probe_dev: Error - Failed to initialize hw rt2800pci: probe of 0000:01:00.0 failed with error -22 Move the data_queue field initialization from the rt2x00queue_alloc_entries routine into the rt2x00queue_init function. The initialization code is not strictly related to the allocation, and the change ensures that the queue_data fields can be used in the probe routines. The patch also introduces a helper function in order to be able to get the correct data_queue_desc structure for a given queue. This helper is only needed temporarily and it will be removed later. Reported-by: Jakub Kicinski <moorray@wp.pl> Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10rtlwifi: initialize local array and set value.Yunlian Jiang
GCC 4.8 is spitting out uninitialized-variable warnings against "drivers/net/wireless/rtlwifi/rtl8192de/dm.c". drivers/net/wireless/rtlwifi/rtl8192de/dm.c:941:31: error: 'ofdm_index_old[1]' may be used uninitialized in this function [-Werror=maybe-uninitialized] rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i]; This patch adds initialization to the variable and properly sets its value. Signed-off-by: Yunlian Jiang <yunlian@google.com> Acked-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
2013-06-10cw1200: handle allocation failure in wsm_event_indication()Dan Carpenter
Check for allocation failures and return -ENOMEM. The caller already expects it. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10cw1200: read beyond end of array in debug codeDan Carpenter
This has only one caller and rates[] is an array with IEEE80211_TX_MAX_RATES (4) elements. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10cw1200: Sanity-check arguments in copy_from_user()Solomon Peachy
The optional debugfs interface to the vendor's engineering tools wasn't bounds checking at all, which made it trivial to perform a buffer overflow if this interface was compiled in and then explicitly enabled at runtime. This patch checks both the length supplied as part of the data to ensure it is sane, and also the amount of data compared to the remaining buffer space. If either is too large, fail immediately. (This bug was spotted by Dan Carpenter <dan.carpenter@oracle.com>) Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10cw1200: hwio: Remove an unnecessary gotoJoe Perches
goto after return is wrong. The other code in this block needs to set an error value then goto an error release block. This one doesn't need to release anything and was likely a copy/paste remainder. Signed-off-by: Joe Perches <joe@perches.com> Acked-By: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-10iwlwifi: mvm: remove iwl_mvm_dbgfs_set_fw_dbg_log declarationJohannes Berg
This function doesn't actually exist, remove its declaration. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-05iwlwifi: mvm: don't request SMPS on non-STA ifaceEytan Lifshitz
The Thermal Throttling code could do that, fix it. Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-05iwlwifi: mvm: fix MCAST in AP modeEmmanuel Grumbach
In multicast, there is no retries nor RTS since there is no specific recipient that can ACK or send CTS. This means that we must not use the rate scale table for multicast frames. This true for any frame that doesn't have a valid ieee80211_sta pointer. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-05iwlwifi: mvm: enable PM always in unassociated modeAlexander Bondar
In unassociated BSS STA mode FW verifies both power save and power management flags to decide on switching power off. The driver currently sets power management flag according to mac80211 decision. As result, in unassociated mode power management flag is down and power consumption is high. Change power management enablement. When unassociated in BPS and LP power save modes enable power management regardless of mac80211 decision. Rely on mac80211 decision if associated. Add power management state update during associated/disassociated modes transitions. 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>
2013-06-04iwlwifi: mvm: Change location of vif_count verification for PMAlexander Bondar
Currently vif_count verification for power management enablement appear in different places. Move these verifications to one place in iwl_mvm_update_power_mode(). 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>
2013-06-04iwlwifi: mvm: correctly configure MCAST in AP modeEmmanuel Grumbach
The AP mode needs to use the MCAST fifo for the MCAST frames sent after the DTIM. This fifo needs to be configured with the same parameters as the VOICE FIFO. A separate SCD queue is mapped to this fifo - the cab_queue (cab stands for Content After Beacon). This queue isn't connected to any station, but rather to the MAC context. This queue should (and is already) be set as the MCAST queue - this is part of the of MAC context command. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: mvm: reorder Rx handler for performance purposesEmmanuel Grumbach
Since SCAN related handlers are much less likely than beacon related handlers, reorder between them. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: mvm: Fix quota command settingsIlan Peer
According to the FW implementation, the quota command should have a valid entry for each active binding (where 'active' in this context means that the binding is known to the FW). In case the binding should not get any quota, the 'quota' should be set to zero. Not setting an 0 quota for an active binding when all the MACs in the binding are idle, i.e., not associated in case of managed interface, will result in preventing the FW scheduler from entering IDLE state and the FW from transitioning to low PS. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: don't return -ERFKILL if SEND_IF_RFKILL is setEran Harary
When CMD_SEND_IN_RFKILL is set, it is perfectly legitimate to send a host command while RFKILL is asserted. In this case, the host command sending functions should return 0 even if RFKILL is asserted. 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>
2013-06-04iwlwifi: mvm: don't enable MIMO when BT is activeEmmanuel Grumbach
Another step in the rate control / BT Coex integration Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: mvm: don't start BA agreement when BT is activeEmmanuel Grumbach
Otherwise WiFi would kill BT. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: mvm: limit the length of the AMPDU when BT is runningEmmanuel Grumbach
This holds for existing BA agreements. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-04iwlwifi: mvm: fix the LUT for BT CoexEmmanuel Grumbach
There was a typo in the Loose LUT for BT Coex. Fix that. Reported-by: Roi Cohen <roi.cohen@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-03brcmsmac: Reduce log spam in heavy tx, make err print in debugJohn Greene
Move message to debug mode to reduce log spam under heavy tx (iperf) load. This message prints in ht debug mode only: brcms_c_ampdu_dotxstatus_complete: Pkt tx suppressed, illegal channel possibly 153 Signed-off-by: John Greene <jogreene@redhat.com> Acked-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Do not maintain ANI state per-channelSujith Manoharan
ANI state can be maintained globally instead of per-channel. This reduces memory usage and since default values are used during a scan run, per-channel state is not required. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Print ANI statistics in debugfsSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Set ofdmWeakSigDetect directlySujith Manoharan
The macros ATH9K_ANI_USE_OFDM_WEAK_SIG can be removed. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Simplify ANI initializationSujith Manoharan
The check "enable_ani" is not required since it is always set to true and the logic for disabling/enabling ANI via debugfs is done at a higher layer. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Remove unused structure ath_dbg_bb_mac_sampSujith Manoharan
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Enable WoW only for AR9462Sujith Manoharan
The only card with which WoW has been tested and verified is AR9462. Do not enable it for all cards since WoW is really quirky and needs to be tested properly with each chip. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: Return early for invalid ratesSujith Manoharan
Process and update the internal RSSI average, which is used by ANI, after verifying that the received frame has valid rate information. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03net, ipw2x00: remove redundant D0 power state setYijing Wang
Pci_enable_device() will set device power state to D0, so it's no need to do it again in ipw2100_pci_init_one(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03ath9k: advertise support for active monitor interfacesFelix Fietkau
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03Merge branch 'for-john' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
2013-06-03cw1200: rename the cw1200 platform definition headerSolomon Peachy
My previous patch just moved the file, but it also needed to be renamed to conform to proper conventions. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03cw1200: Rework SDIO platform support to prevent build problems.Solomon Peachy
Based on discussions with And Bergmann, this patch changes the SDIO platform code to default to supporting the Sagrad devices, allowing for it to be overridden in board setup code. This renders the cw1200_sagrad module suplerflous, so it is now removed. It also moves the documentation that was in the cw1200_sagrad source to the platform header. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-06-03cw1200: Replace use of 'struct resource' with 'int' for GPIO fields.Solomon Peachy
The only advantage of 'struct resource' is that it lets us assign names as part of the platform data. Unfortunately since we are using platform data, we are already limited to a single instance of each driver, rendering this moot. So, replace the struct resources with ints, resulting in cleaner code. This was based on a suggestion from Arnd Bergmann. Signed-off-by: Solomon Peachy <pizza@shaftnet.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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