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2012-03-13mac80211: rename bss_conf timestamp to last_tsfJohannes Berg6-7/+8
This value is not really very useful by itself, yet some drivers (including iwlwifi until I can figure out what it should do) use it. At least rename it to "last_tsf" to indicate the meaning and add a note that it may be really old. I suspect the value may become useful combined with the rx_status->mactime, but we don't (yet) store that value and pass it to the driver. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13cfg80211: clarify timestamp in cfg80211_inform_bssJohannes Berg2-8/+6
This is intended to be the timestamp sent by the peer in the beacon/probe response, not any form of host timestamp. Clarify the documentation and variable names. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13brmc80211: dont use jiffies for BSS TSFJohannes Berg1-8/+2
The cfg80211_inform_bss() timestamp argument is intended to be the TSF, not any form of host timestamp. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13Documentation: make exists consistentYegor Yefremov1-3/+3
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rename fuctions and variables for better readabilityYogesh Ashok Powar1-87/+73
Renaming the long fuctions and variable names from 11n_rxreoder.c file to shorter ones for better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rearrange if and else blocks to avoid extra indentationYogesh Ashok Powar3-70/+68
This adds better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: use usleep_range instead of udelayYogesh Ashok Powar2-5/+5
For the delay of 10 uSec or more usleep_range is prefered. Unlike udelay, sleep_range avoids large number of undesired interrupts. Ref Documentation/timers/timers-howto.txt Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: merge functions to derive cfp by chan & freq in oneYogesh Ashok Powar5-82/+46
There exist different functions with very long names to derive the channel frequency and power tripplet based on band and channel/freq. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rearrange switch statementYogesh Ashok Powar1-111/+87
Fixing coding style by rearranging the switch statement Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mwifiex: rename long function names to shorter onesYogesh Ashok Powar6-53/+43
This saves some space and adds better readability. Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mac80211: linearize SKBs as needed for cryptoJohannes Berg3-8/+31
Not linearizing every SKB will help actually pass non-linear SKBs all the way up when on an encrypted connection. For now, linearize TKIP completely as it is lower performance and I don't quite grok all the details. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13mac80211: move RX WEP weak IV countingJohannes Berg3-12/+6
This is better done inside the WEP decrypt function where it doesn't have to check all the conditions any more since they've been tested already. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13b43: Load firmware from a work queue and not from the probe routineLarry Finger2-27/+35
Recent changes in udev are causing problems for drivers that load firmware from the probe routine. As b43 has such a structure, it must be changed. As this driver loads more than 1 firmware file, changing to the asynchronous routine request_firmware_nowait() would be complicated. In this implementation, the probe routine starts a queue that calls the firmware loading routines. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13b43legacy: Load firmware from work queue instead of from probe routineLarry Finger2-13/+23
Recent changes in udev are causing problems for drivers that load firmware from the probe routine. As b43legacy has such a structure, it must be changed. As this driver loads 3 or 4 firmware files, changing to the asynchronous routine request_firmware_nowait() would be complicated. In this implementation, the probe routine starts a work queue that calls the firmware loading routines. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-13Merge branch 'for-linville' of git://github.com/kvalo/ath6klJohn W. Linville25-667/+1228
2012-03-13ath6kl: fix debug.c file modeKalle Valo1-0/+0
Commit 7504a3e1 ("ath6kl: add padding to firmware log records") accidentally changed debug.c mode from 100644 to 100755. Revert that back to original. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: use max_t() in ath6kl_cfg80211_connect()Kalle Valo1-2/+2
ath6kl/cfg80211.c:589: WARNING: max() should probably be max_t(u16, vif->listen_intvl_t, ATH6KL_MAX_WOW_LISTEN_INTL) Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: fix open parenthesis alignment in ath6kl_sdio_suspend()Kalle Valo1-4/+5
ath6kl/sdio.c:875: CHECK: Alignment should match open parenthesis Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: replace strict_strtoul() with kstrtoul()Kalle Valo1-17/+2
Recommended by checkpatch. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-13ath6kl: fix regression in ath6kl_upload_board_file()Kalle Valo1-1/+2
My patch 24fc32b3 ("ath6kl: add ath6kl_bmi_write_hi32()") caused a regression in ath6kl_upload_board_file() and the board_address variable was not properly initialised in some cases: ath6kl/init.c:1068:6: warning: ‘board_address’ may be used uninitialized in this function Most likely this broke ar6004 support but I can't test that right now. Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2012-03-12mac80211: set basic rates earlierJohannes Berg1-48/+49
The authentication and association handshake already happens in the context of the new BSS, and the basic rates are needed at least for the ACK response frame to the authentication or association response frames. Therefore the basic rates should already be configured into the driver when those frames are sent. Change the logic to set up the basic rates in the connection preparation that happens for authentication and association (if needed). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: refactor common auth/assoc setup codeJohannes Berg1-62/+59
As associating is possible without first authenticating (for FT over DS) association also has to be able to switch to the right channel, insert the station entry etc. Factor out this common code into a new function called ieee80211_prep_connection(). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: remove spurious BSSID change flagJohannes Berg1-3/+0
The BSSID has been set a lot earlier already and didn't change again in ieee80211_set_associated(). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: simplify wmm check during associationJohannes Berg2-6/+6
Instead of setting assoc_data->wmm_used solely based on the BSS also take into account our own capabilities and later check those. Also rename "wmm_used" and "uapsd_used" to just "wmm" and "uapsd". Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: simplify HT checksJohannes Berg1-31/+26
Always set/use IEEE80211_STA_DISABLE_11N instead of duplicating the queue, WMM and HT checks in all places. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: move misplaced commentJohannes Berg1-7/+7
Looks like some changes in this area moved the code but not the comment that belongs to the code, move it to the right place. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: Add bool mvm_ucode to iwl_fwDavid Spinadel2-1/+10
mvm_ucode is true when mvm TLVs arive. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: change struct iwl_fwDavid Spinadel7-141/+139
Change iwl_fw struct to hold an array of fw_img instead of three separated instances. Change fw_img to hold an array of fw_desc instead of two separate descriptors for instructions and data. Change load_given_ucode, load_section, verification functions etc. to support this structure. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: Add TLVs and fields for 16.0 uCodeDavid Spinadel4-16/+108
New TLVs for ucode sections that are not known as instruction or data. New TLVs for phy-configuration and default calibrations. Add default calib and phy config fields to iwl_fw. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: more modularity in fw images and sectionsDavid Spinadel3-77/+207
Changed iwl_firmware_pieces structure to support an array of separate images, and an array of sections for each image. In fw_sec and fw_desc structures, added a field for offset from the HW address, to support 16.0 uCode that provides an offset instead of any other data about the section. This field is filled with default values when parsing instruction or data section. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: explicitly track whether INIT uCode was runDavid Spinadel3-5/+6
Remove IWL_UCODE_NONE from enum iwl_ucode_type which, by being the default value in 0-initialized memory, implicitly allowed us to track whether any uCode had ever been loaded successfully (which would have been the INIT uCode) and instead explicitly track whether or not INIT uCode has been run. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: avoid some operations if no uCode loadedDavid Spinadel7-20/+48
Printing the SRAM and similar testmode operations could be triggered when no uCode is loaded; prevent those invalid operations by tracking whether uCode is loaded. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: move wait_command_queue from shared to transMeenakshi Venkataraman8-10/+11
This wait queue really belongs to the transport layer, as it is used for sending synchronous commands to the HW. However, only op_mode knows about errors and exceptional conditions, so make this queue accessible by the op_mode. Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: convert bad state message into warningJohannes Berg1-14/+14
Looking at logs, I see that we did get the bad state message a few times for some reason, but it doesn't indicate why or where it came from, so make it a warning in order to identify it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: abstract out missing SEQ_RX_FRAME workaroundJohannes Berg5-18/+39
Mohammed Shafi ran into [1] the SEQ_RX_FRAME workaround warning with a statistics notification, this means we can't just remove it as we'd hoped. Abstract it out so that the higher layer can configure this as a kind of "filter" in the transport. [1] http://mid.gmane.org/CAD2nsn1_DzbRHuSbS_1rFNzuux_9pW1-pABEasQ01_y7-ndO5w@mail.gmail.com Reported-by: Mohammed Shafi <shafi.wireless@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12iwlwifi: remove TX hex debugJohannes Berg1-2/+0
Tracing is much better for this, so remove the hex printk debug for the TX command. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12ath9k: fix going to full-sleep on PS idleFelix Fietkau1-3/+5
The check for PS_WAIT_FOR_TX_ACK was inverted, the hardware should only go to full sleep if no tx is pending. Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12ath9k: Fix mactime from being clobbered in rx_statusAshok Nagarajan1-2/+2
mactime was being overwritten by the function ath9k_rx_skb_preprocess. Fixed by memsetting rx_status in ath_rx_tasklet. Signed-off-by: Ashok Nagarajan <ashok@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12ath9k: configure bss info at assoc notificationRajkumar Manoharan1-1/+1
The proper place to configure bss info is at assoc notification. So that ath9k continues to work if the supirous bssid notification will be removed in future. Cc: Johannes Berg <johannes@sipsolutions.net> Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: add auth/assoc/deauth flow diagramJohannes Berg1-0/+99
I've been working on some documentation, so let's add this diagram to the kernel tree where at least it has a chance of being maintained :-) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12rt2x00: Fix beacon skew in rt2800pciHelmut Schaa2-0/+33
rt2800pci is suffering from beacon skew in AP mode. Some powersaving clients (like VOIP phones) are getting into trouble after some time when the beacon skew is getting too big. The ralink legacy drivers contain a function that indicates that the beacon timer is off by 1us per tbtt. And this function works around that by reducing the beacon interval for every 64th beacon transmission by 64us (the smallest possible value). Do the same in rt2800pci. This allows proper powersaving when rt2800pci is used in AP mode. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: Disable MCS > 7 in minstrel_ht when STA uses static SMPSHelmut Schaa1-0/+9
Disable multi stream rates (MCS > 7) when a STA is in static SMPS mode since it has only one active rx chain. Hence, it doesn't even make sense to sample multi stream rates. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: set channel back after disassociatingJohannes Berg1-7/+6
As we've discussed, we want to avoid channel changes while associated. While the part when we actually associate needs a bit more work, the bit that happens on disassociating can be changed quite easily. Move the channel type change later in the disassociate process to set the channel only after the driver was told that it's now disassociated. As the driver could expect powersave to be enabled only when associated, this thus results in splitting the config call, but overall what happens makes more sense this way. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: remove tx_syncJohannes Berg5-161/+0
When the station state callback was added, this was no longer needed in theory. With the iwlwifi changes to remove use of it landing, we can kill the entire tx-sync framework again, RIP. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12ath9k_hw: Fix enabling of MCI and RTTMohammed Shafi Shajakhan2-2/+12
tested in AR9462 Rev:2, both hardware capability flag are set Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12net/wireless: ipw2x00: remove unused definitions for regulatory domainStanislav Yakovlev1-12/+0
ipw2200 driver does not use these defines, it uses geo struct instead. Therefore remove them from its header. Note: we keep them in the ipw2100 driver's header, because the driver still uses them. Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12ath9k: Add wiphy name to log messages.Ben Greear2-17/+18
On systems with multiple NICs, it's nice to know which one is producing warnings. Here is an example of the new ouput: ath: wiphy0: Failed to stop TX DMA, queues=0x005! Signed-off-by: Ben Greear <greearb@candelatech.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211_hwsim: Fix set mactime on receiver hwsim radioAshok Nagarajan1-1/+2
The patch "mac80211_hwsim: Add tsf to beacons, probe responses and radiotap header" was setting the mactime on wrong hwsim radio. This patch fixes it. Signed-off-by: Ashok Nagarajan <ashok@cozybit.com> Signed-off-by: Javier Cardona <javier@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12mac80211: Limit TID buffering during BA session setup/teardownHelmut Schaa1-0/+6
While setting up or tearing down a BA session mac80211 is buffering pending frames for the according TID. However, there's currently no limit on how many frames are buffered possibly leading to an out-of- memory situation. This can happen on systems with little memory when the CPU is fully loaded since the BA session work is executed in process context while frames can still come via softirq. Apply a limitation to the TIDs pending queue to avoid consuming too much memory in this situation. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12cfg80211: Add background scan period attribute.Bala Shanmugam4-0/+24
Receive background scan period as part of connect command and pass the same to the driver. Signed-off-by: Bala Shanmugam <bkamatch@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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