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path: root/drivers/net/wireless/ath/ath9k
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2015-03-16ath9k: disable TPC support again (for now)Felix Fietkau1-1/+1
TPC support has been observed to cause some tx power fluctuations on some devices with at least AR934x and AR938x chips. Disable it for now until the bugs have been found and fixed Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-16ath9k: fix tracking of enabled AP beaconsFelix Fietkau2-9/+13
sc->nbcnvifs tracks assigned beacon slots, not enabled beacons. Therefore, it cannot be used to decide if cur_conf->enable_beacon (bool) should be updated, or if beacons have been enabled already. With the current code (depending on the order of calls), beacons often do not get enabled in an AP+STA setup. To fix tracking of enabled beacons, convert cur_conf->enable_beacon to a bitmask of enabled beacon slots. Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: make ath_frame_info fit into reduced-size rate_driver_dataFlorian Westphal1-1/+1
pre-requisite to shrink size of ieee80211_tx_info which in turn is needed to shrink skb->cb to 40 bytes again. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: Fix RTT chainmask usageSujith Manoharan1-3/+3
Since the RTT registers need to be configured for all valid chains irrespective of the runtime chainmask, use the actual chainmask of the chip. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: Check allowed PCIE powersave configurationSujith Manoharan1-16/+57
When assigning the initvals for PCIE sleep/awake registers, check the configuration that has been assigned to pll_pwrsave during initialization. Also, display a warning if we don't have valid arrays. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: Initialize pll_pwrsave for AR9462/AR9565Sujith Manoharan3-1/+5
Cards based on AR9462/AR9565 support more PCIE power save mechanisms, so register them correctly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: Fix PLL powersave for AR9485Sujith Manoharan3-7/+13
Use the value in ah->config.pll_pwrsave to determine which array needs to be loaded. Also, initialize pll_pwrsave to 1 by default. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-13ath9k: Add PCIE powersave macrosSujith Manoharan1-0/+6
These will be used to handle chip-specific power save configuration. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-06Merge tag 'wireless-drivers-next-for-davem-2015-03-06' of ↵David S. Miller16-421/+700
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Major changes: brcmfmac: * sdio improvements * add a debugfs file so users can provide us all the revinfo we could ask for iwlwifi: * add triggers for firmware dump collection * remove support for -9.ucode * new statitics API * rate control improvements ath9k: * add per-vif TX power capability * BT coexistance fixes ath10k: * qca6174: enable STA transmit beamforming (TxBF) support * disable multi-vif power save by default bcma: * enable support for PCIe Gen 2 host devices Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-04wireless: Use eth_<foo>_addr instead of memsetJoe Perches2-3/+3
Use the built-in function instead of memset. Miscellanea: Add #include <linux/etherdevice.h> where appropriate Use ETH_ALEN instead of 6 Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-03-03ath9k: Fix issues in the main btcoex timerSujith Manoharan1-10/+6
* ath9k_mci_update_rssi() is required only for cards that use MCI scheme. Make sure that it is not called for 3-wire cards. * Call ath9k_ps_wakeup() early since register accesses are made in ath9k_mci_update_rssi(). * Fix usage of btcoex_lock to handle no_stomp_timer. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Handle timers for MCISujith Manoharan1-21/+31
Make sure that the btcoex timers are started/stopped properly for both 3-wire and MCI schemes. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Fix wlan-active gpio for the AR9003 familySujith Manoharan1-1/+2
When disabling BTCOEX, clearing the wlanactive gpio line is required only for pre-AR9003 cards. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Fix MCI scheme initializationSujith Manoharan3-24/+40
Commit "ath9k_hw: remove ATH_BTCOEX_CFG_MCI" removed MCI as a separate coex scheme, but we need it to avoid fiddling with GPIO registers during ath9k_init_btcoex() that are meant only for 3-wire cards. Cc: Rajkumar Manoharan <rmanohar@qti.qualcomm.com> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Initialize MCI state correctlySujith Manoharan1-2/+1
The MCI configuration values are assigned in ath9k_hw_btcoex_init_mci() which are used by the MCI reset routine. When initializing BTCOEX/MCI, ath_mci_setup() ends up using uninitialized data. Fix this by setting up the configuration parameters before issuing a MCI reset. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Remove useless return value checkSujith Manoharan1-6/+3
ath_init_btcoex_timer() always returns 0, so checking for error conditions is not required. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: add per-vif TX power capability to TX pathLorenzo Bianconi1-14/+28
In order to add per-vif TX power capability cap per-packet TX power to vif configured power if the latter is lower than per-rate TX power and mac80211 per-frame power. Use vif TX power if TPC has been disabled for current the interface Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: add per-vif TX power capabilityLorenzo Bianconi3-9/+49
Configure the HW with highest TX power among all vif when HW TPC has been enabled in order to add support to per-vif TX power capability. Use lowest configured power among all interfaces when TPC is disabled Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Mute BT properlySujith Manoharan2-3/+15
Set The BT/WLAN priority weights correctly and make sure that MCI_LNA_TAKE is sent only for cards that share PA/LNA. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Fix GPM initializationSujith Manoharan3-18/+16
Handle MCI_STATE_INIT_GPM_OFFSET separately and do not overload ar9003_mci_get_next_gpm_offset() with a special case. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Prepare MCI interface correctlySujith Manoharan1-2/+2
The LNA_TRANS message needs to be sent only for chips which have shared PA/LNA. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Setup MCI statistics properlySujith Manoharan2-3/+25
Use a subroutine to enable MCI debug statistics if it is present in the global configuration. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Fix MCI TX controlSujith Manoharan2-2/+10
This patch makes sure that the antenna configuration is used properly when setting AR_MCI_TX_CTRL. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Handle 2-ANT AR9565 in MCI resetSujith Manoharan2-16/+69
The value programmed in the BTCOEX control register is different for each chip. This patch adds support for 2-ANT, 1-ANT solutions based on AR9565. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Add new MCI configuration parametersSujith Manoharan1-0/+11
Several new MCI parameters need to be handled for new chips, add them. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Remove useless check in MCI resetSujith Manoharan1-5/+0
If we fail to allocate the sched/gpm buffers when initializing MCI, we bail out properly. Checking them in ar9003_mci_reset() is unnecessary, so remove it. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-03-03ath9k: Move MCI registers to reg_mci.hSujith Manoharan3-275/+301
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k_htc: Add new USB IDLeon Nardella1-0/+1
This device is a dongle made by Philips to enhance their TVs with wireless capabilities, but works flawlessly on any upstream kernel, provided that the ath9k_htc module is attached to it. It's correctly recognized by lsusb as "0471:209e Philips (or NXP) PTA01 Wireless Adapter" and the patch has been tested on real hardware. Signed-off-by: Leon Nardella <leon.nardella@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Restart TSF2 timers on wakeupSujith Manoharan1-0/+7
When coming out of WoW sleep, check and restart timers based on TSF2. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Clear additional WoW eventsSujith Manoharan2-1/+6
The events for patterns 8..15 need to be cleared on wakeup. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Handle additional patterns on wakeupSujith Manoharan2-5/+19
Handle the user-configured patterns in the range 8..15 when waking up and update wow_status correctly. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Check MCI PowerSave stateSujith Manoharan2-1/+22
The power save state of MCI has to be disabled when enabling WoW sleep, check this properly. ar9003_mci_state() doesn't handle MCI_STATE_GET_WLAN_PS_STATE right now, but this will be done later when proper support for MCI/PS is added. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Add new MCI statesSujith Manoharan1-1/+29
Several new MCI states have to handled, add them to the list. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Set keep awake timerSujith Manoharan1-0/+6
When MCI is enabled and WoW sleep is enabled, make sure that the RTC keep awake timer is set with the required value. This is also required when the AR_WA is programmed. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-26ath9k: Fix descriptors for keep-alive frameSujith Manoharan1-6/+5
Along with AR9462, AR9565 also has an extra field in the TX descriptor which needs to be zeroed out for the keep alive frame. This makes the earlier REG_WRITE redundant, so it can be removed. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-14wireless: use %*pb[l] to print bitmaps including cpumasks and nodemasksTejun Heo1-17/+6
printk and friends can now format bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: "John W. Linville" <linville@tuxdriver.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-02-09Merge tag 'wireless-drivers-next-for-davem-2015-02-07' of ↵David S. Miller19-466/+560
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Major changes: iwlwifi: * more work for new devices (4165 / 8260) * cleanups / improvemnts in rate control * fixes for TDLS * major statistics work from Johannes - more to come * improvements for the fw error dump infrastructure * usual amount of small fixes here and there (scan, D0i3 etc...) * add support for beamforming * enable stuck queue detection for iwlmvm * a few fixes for EBS scan * fixes for various failure paths * improvements for TDLS Offchannel wil6210: * performance tuning * some AP features brcm80211: * rework some code in SDIO part of the brcmfmac driver related to suspend/resume that were found doing stress testing * in PCIe part scheduling of worker thread needed to be relaxed * minor fixes and exposing firmware revision information to user-space, ie. ethtool. mwifiex: * enhancements for change virtual interface handling * remove coupling between netdev and FW supported interface combination, now conversion from any type of supported interface types to any other type is possible * DFS support in AP mode ath9k: * fix calibration issues on some boards * Wake-on-WLAN improvements ath10k: * add support for qca6174 hardware * enable RX batching to reduce CPU load Conflicts: drivers/net/wireless/rtlwifi/pci.c Conflict resolution is to get rid of the 'end' label and keep the rest. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-02-06ath9k: Delete an unnecessary check before the function call "relay_close"Markus Elfring1-1/+1
The relay_close() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Choose correct rate for 2GHz channelSujith Manoharan1-1/+5
Set the transmit rate for the keep-alive frames as 1M/CCK when the current channel is in the 2GHz band. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Clear TSF2 properlySujith Manoharan2-0/+11
Chips in the AR9003 family have a second TSF, which needs to be cleared when putting the card to sleep. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Program AR_WA correctlySujith Manoharan1-17/+22
Setting the required configuration in the PCIE WorkAround register needs to be done after all the WoW parameters have been set. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Fix issues with WoW enableSujith Manoharan3-95/+93
This patch addresses several issues with the ath9k_hw_wow_enable() routine: * The usage of set/clr variables is removed. Writing the required values to registers is cleaner. * The shift value of 28 for the contention window field in AR_WOW_PATTERN is incorrect, change it to 27. * Disabling Keep Alive needs to be done based on the LINK_CHANGE option. This is done unconditionally now, fix this. * The workaround for the D1/D3 issue is required only for AR9462. * The bitfield for enabling pattern matching for packets less than 256 bytes has expanded for new chips, handle this accordingly. * General cleanup. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Register correct WOW details with mac80211Sujith Manoharan1-2/+14
Since the number of user patterns is higher for newer chips, make sure that this is registered during initialization. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-06ath9k: Add support for more WOW patternsSujith Manoharan3-27/+56
Newer chips like WB222, WB335 support more than 8 user-configurable patterns. This patch adds support for it by setting up the correct HW registers. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Fix max pattern checkSujith Manoharan3-31/+51
Since the maximum number of configurable patterns is chip-specific, use the HW capability instead of a fixed value for checking if a free pattern slot is available. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Cleanup reg_wow.hSujith Manoharan1-53/+15
* Remove unnecessary comments. * Remove unused macros. * Indent the macros. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Remove incorrect register macrosSujith Manoharan1-5/+0
These macros are applicable to pre-AR9003 chips and the addresses are different for the AR9003 family. Since they are unused anyway, remove them. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Move WOW registers to reg_wow.hSujith Manoharan3-120/+137
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Register max WOW patternsSujith Manoharan2-1/+10
Since the number of patterns that can be configured in the HW is higher for newer chips, store the chip-specific value in ath9k_hw_wow. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2015-02-03ath9k: Add a HW structure for WOWSujith Manoharan2-6/+10
This can be used to hold the WOW state in ath9k_hw. Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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