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2012-03-15mac80211: Don't sample max throughput rate in minstrel_htHelmut Schaa1-0/+7
The current max throughput rate is known to be good as otherwise it wouldn't be the max throughput rate. Since rate sampling can introduce some overhead (by adding RTS for example or due to not aggregating the frame) don't sample the max throughput rate. Signed-off-by: Helmut Schaa <[email protected]> Acked-by: Felix Fietkau <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: rt2800usb: limit tx queues lengthStanislaw Gruszka1-1/+1
TX status fifo is limited to 16 elements. When we send more frames than that, we can easily loose status, what is not good for rate scaling algorithm. On my testing the change does not degrade performance, actually make is slightly better. Additionally with the patch I can see much less various rt2x00 warnings in dmesg. Signed-off-by: Stanislaw Gruszka <[email protected]> Acked-by: Gertjan van Wingerde <[email protected]> Acked-by: Helmut Schaa <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: rt2800usb: do not check packedid for aggregated framesStanislaw Gruszka1-2/+3
Tx statuses of aggregated subframes contain packetid of first subframe in the AMPDU. We can not identify AMPDU subframes based on packedid, so simply assume that status match first pending frame in the queue. Thats mostly the same what 2800pci do. Signed-off-by: Stanislaw Gruszka <[email protected]> Acked-by: Gertjan van Wingerde <[email protected]> Acked-by: Helmut Schaa <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: rt2800usb: rework txstatus codeStanislaw Gruszka5-64/+101
Currently we read tx status register after each urb data transfer. As callback procedure also trigger reading, that causing we have many "threads" of reading status. To prevent that introduce TX_STATUS_READING flags, and check if we are already in process of sequential reading TX_STA_FIFO, before requesting new reads. Change timer to hrtimer, that make TX_STA_FIFO overruns less possible. Use 200 us for initial timeout, and then reschedule in 100 us period, this values probably have to be tuned. Make changes on txdone work. Schedule it from rt2800usb_tx_sta_fifo_read_completed() callback when first valid status show up. Check in callback if tx status timeout happens, and schedule work on that condition too. That make possible to remove tx status timeout from generic watchdog. I moved that to rt2800usb. Loop in txdone work, that should prevent situation when we queue work, which is already processed, and after finish work is not rescheduled again. Signed-off-by: Stanislaw Gruszka <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: rt2800usb: rework txdone codeStanislaw Gruszka1-41/+31
Patch change txdone code to make it similar like txdone in rt2800pci, process only one entry from queue matching tx status. Before we processed all pending entries from queue until PACKEDID match, that caused that we do not report tx statuses correctly. Signed-off-by: Stanislaw Gruszka <[email protected]> Acked-by: Gertjan van Wingerde <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: rt2800usb: move additional txdone into new functionStanislaw Gruszka1-5/+11
Signed-off-by: Stanislaw Gruszka <[email protected]> Acked-by: Gertjan van Wingerde <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k: Fix multi-VIF BSS handlingSujith Manoharan5-34/+14
mac80211 provides short preamble information and ERP protection information on a per-BSS basis, which can be used. Remove flags stored in the driver, which was incorrect since they were being used in a global manner. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k: Remove aggregation flagsSujith Manoharan5-46/+29
SC_OP_TXAGGR and SC_OP_RXAGGR are not really needed. The HT capabilities of the station and HW can be used instead. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k_hw: Cleanup FastChannelChangeSujith Manoharan3-36/+74
The logic to determine whether to use FCC is a bit convoluted. Use a small helper function to decide whether FCC is to be used. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k: Remove 'other' VIF countSujith Manoharan3-4/+2
It is not needed and will not be used anyway since unsupported interfaces are not allowed to be created. Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k: Remove unused variablesSujith Manoharan2-6/+0
Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15ath9k: Remove unnecessary initializationSujith Manoharan1-3/+0
There is no need to mask out SWBA/BMISS from the interrupt mask in start(). Signed-off-by: Sujith Manoharan <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-15rt2x00: Set IEEE80211_HW_REPORTS_TX_ACK_STATUS in rt2800Helmut Schaa1-1/+3
rt2800 already reports the tx ack status of each frame back to mac80211. Advertise this by setting IEEE80211_HW_REPORTS_TX_ACK_STATUS for rt2800. This allows some mac80211 features like frame loss notifications to work with rt2800. Signed-off-by: Helmut Schaa <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: correction in structure name passed to sizeof()Amitkumar Karwar1-1/+1
"hscfg" is declared as struct mwifiex_ds_hs_cfg. Use same structure name for calculating it's size. Signed-off-by: Amitkumar Karwar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 9Yogesh Ashok Powar5-95/+94
For files sta_rx.c, sta_tx.c, txrx.c, util.c and wmm.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 8Yogesh Ashok Powar2-70/+73
For files sta_event.c and sta_ioctl.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 7Yogesh Ashok Powar2-121/+114
For sta_cmd.c and sta_cmdresp.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 6Yogesh Ashok Powar1-92/+96
For file sdio.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 5Yogesh Ashok Powar1-173/+170
For file scan.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 4Yogesh Ashok Powar3-211/+226
For files main.c, main.h and pcie.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 3Yogesh Ashok Powar3-101/+98
For files fw.h, init.c and join.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 2Yogesh Ashok Powar3-127/+133
For files cfg80211.c, cfp.c, and cmdevt.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-14mwifiex: fix checkpatch --strict warnings/errors Part 1Yogesh Ashok Powar4-43/+43
For files 11n.c, 11n.h, 11n_aggr.c, 11n_rxreorder.c Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-13mac80211: Don't let regulatory make us deafPaul Stewart4-19/+51
When regulatory information changes our HT behavior (e.g, when we get a country code from the AP we have just associated with), we should use this information to change the power with which we transmit, and what channels we transmit. Sometimes the channel parameters we derive from regulatory information contradicts the parameters we used in association. For example, we could have associated specifying HT40, but the regulatory rules we apply may forbid HT40 operation. In the situation above, we should reconfigure ourselves to transmit in HT20 only, however it makes no sense for us to disable receive in HT40, since if we associated with these parameters, the AP has every reason to expect we can and will receive packets this way. The code in mac80211 does not have the capability of sending the appropriate action frames to signal a change in HT behaviour so the AP has no clue we can no longer receive frames encoded this way. In some broken AP implementations, this can leave us effectively deaf if the AP never retries in lower HT rates. This change breaks up the channel_type parameter in the ieee80211_enable_ht function into a separate receive and transmit part. It honors the channel flags set by regulatory in order to configure the rate control algorithm, but uses the capability flags to configure the channel on the radio, since these were used in association to set the AP's transmit rate. Signed-off-by: Paul Stewart <[email protected]> Cc: Sam Leffler <[email protected]> Cc: Johannes Berg <[email protected]> Reviewed-by: Luis R Rodriguez <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-13Documentation: make exists consistentYegor Yefremov1-3/+3
Signed-off-by: Yegor Yefremov <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
2012-03-13mwifiex: rearrange switch statementYogesh Ashok Powar1-111/+87
Fixing coding style by rearranging the switch statement Signed-off-by: Yogesh Ashok Powar <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: Bing Zhao <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]>
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 <[email protected]>
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 <[email protected]>
2012-03-13ath6kl: replace strict_strtoul() with kstrtoul()Kalle Valo1-17/+2
Recommended by checkpatch. Signed-off-by: Kalle Valo <[email protected]>
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 <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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 <[email protected]> Signed-off-by: John W. Linville <[email protected]>
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