- 13 Sep, 2011 14 commits
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Felix Fietkau authored
The commit "ath9k_hw: Fix exceed transmission burst-time of 5GHz" added a padding of 60 delimiters on the first subframe to work around an issue on AR9380, but it lacked the checks to prevent it from being applied to pre-AR9380, enterprise AR9380 or AR9580+ Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Yogesh Ashok Powar authored
This will avoid mac80211 to trigger PS mode for connected station based on the PM bit of incoming frames. AP firmware is capable of handling such frames and buffering TX frames destined to the stations that are in PS mode. Signed-off-by:
Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by:
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Felix Fietkau authored
The previous register used in these initvals was probably accidentally copied over from the AR9100 values. Signed-off-by:
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Felix Fietkau authored
It was used for the defunct 'turbo' mode which was never implemented in the driver. Saves ~7.5k uncompressed Signed-off-by:
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Vivek Natarajan authored
When the rssi of the current AP drops, both wpa_supplicant and the firmware may do a background scan to find a better AP and try to associate. Since firmware based roaming is faster, inform wpa_supplicant to avoid roaming and let the firmware decide to roam if necessary. For fullmac drivers like ath6kl, it is just enough to provide the ESSID and the firmware will decide on the BSSID. Since it is not possible to do pre-auth during roaming for fullmac drivers, the wpa_supplicant needs to completely disconnect with the old AP and reconnect with the new AP. This consumes lot of time and it is better to leave the roaming decision to the firmware. Signed-off-by:
Vivek Natarajan <nataraja@qca.qualcomm.com> Signed-off-by:
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Felix Fietkau authored
Unfortunately failed BAR tx attempts happen more frequently than I expected, and the resulting aggregation teardowns cause performance issues, as the aggregation session does not always get re-established properly. Instead of tearing down the entire aggr session, we can simply store the SSN of the last failed BAR tx attempt, wait for the first successful tx status event, and then send another BAR with the same SSN. Signed-off-by:
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Rafał Miłecki authored
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Rafał Miłecki <zajec5@gmail.com> Signed-off-by:
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Rafał Miłecki authored
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Rafał Miłecki authored
Specs say about size 2 (u16) and my 14e4:4727 has board rev 0x1211. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
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Rafał Miłecki authored
Switching is not fully implemented yet, prepare place for the code. Signed-off-by:
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Rafał Miłecki authored
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Rafał Miłecki authored
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Felix Fietkau authored
It is only used to workaround interoperability issues related to longer delays in receiving the block ack, so it is not necessary to apply it to the CTS exchange. Should improve throughput slightly, especially when there are lots of retransmissions. Signed-off-by:
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Javier Cardona authored
Under failure conditions, the mesh stack sends PERR messages to the previous sender of the failed frame. This happens in the tx feedback path, in which the transmission queue lock may be taken. Avoid a deadlock by sending the path error via the pending queue. Signed-off-by:
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- 30 Aug, 2011 8 commits
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Greg Dietsche authored
this comment refers to some code that was removed. Signed-off-by:
Greg Dietsche <Gregory.Dietsche@cuw.edu> Signed-off-by:
Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by:
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Felix Fietkau authored
With sequence number and buffer allocation deferred to when they're needed for the first time, it becomes much easier to start dropping packets from the tid queue if necessary, e.g. when latency suddenly increases. This can lead to some future improvements in buffer management for better latency. Signed-off-by:
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Felix Fietkau authored
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Felix Fietkau authored
It is only necessary for BAW tracking and moving it to the ath_buf makes it easier to add further improvements, such as deferring seqno allocation in the aggregation path. Signed-off-by:
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Felix Fietkau authored
Use a sk_buff_head instead containing skbs instead of a list_head containing ath_bufs. This makes it easier to decouple the aggregation code from the ath_buf struct Signed-off-by:
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Felix Fietkau authored
This saves some space in struct ath_frame_info Signed-off-by:
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Joe Perches authored
Changing the return type and removing the unused argument from ath_printk reduces code size. Add an __always_unused struct ath_common * to the macros that call ath_printk to avoid unused variable warnings. $ size drivers/net/wireless/ath/built-in.o* text data bss dec hex filename 1159859 16235 212000 1388094 152e3e drivers/net/wireless/ath/built-in.o.new 1164175 16235 212032 1392442 153f3a drivers/net/wireless/ath/built-in.o.old Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Joe Perches authored
The return value is never used so make it void. Reduces object size a tiny bit. $ size drivers/net/wireless/ath/built-in.o* text data bss dec hex filename 1164175 16235 212032 1392442 153f3a drivers/net/wireless/ath/built-in.o.new 1164819 16235 212032 1393086 1541be drivers/net/wireless/ath/built-in.o.old Signed-off-by:
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- 29 Aug, 2011 18 commits
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John W. Linville authored
Commit c302b2c9 ("wl12xx: Use a single fw for both STA and AP roles") changed the name of the firmware name definition, breaking the build of wl12xx/sdio_test.c. Signed-off-by:
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Larry Finger authored
Swatch reports the following warning for main.c: CHECK drivers/net/wireless/b43/main.c drivers/net/wireless/b43/main.c +4115 b43_wireless_core_stop(7) warn: variable dereferenced before check 'dev' After analysis, this is not a bug, but a false warning. Nonetheless, a cleanup is in order to prevent some future janitor proposing the wrong fix, as I did in my original patch. Signed-off-by:
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Larry Finger authored
Smatch shows the following warnings: CHECK drivers/net/wireless/ath/ath9k/htc_drv_main.c drivers/net/wireless/ath/ath9k/htc_drv_main.c +1315 ath9k_htc_configure_filter(27) warn: inconsistent returns mutex:&priv->mutex: locked (1303) unlocked (1315) CHECK drivers/net/wireless/ath/ath9k/ar9003_eeprom.c drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +3321 ar9300_eeprom_restore_internal(20) warn: returning -1 instead of -ENOMEM is sloppy Signed-off-by:
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Rajkumar Manoharan authored
This patch keep track of number of samples that includes DMA debugs registers, PCU observe, CR, channel noise, cycle conters, noisefloor history buffer and last N number of tx and rx descriptor status. These samples are grouped in table manner which dumping in debgufs. Debugfs file location: <debugfs_mnt>/ieee80211/phy#/ath9k/samples Signed-off-by:Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by:
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Felix Fietkau authored
The recent commit "ath9k: Send legacy rated frames as unaggregated" introduced a check to ensure that packets with non-MCS rates set in the rate series will not be aggregated. However, it failed to check if the rate series is valid before testing the flags, thus breaking aggregation for normal MCS-only packets if the last series is unset. Signed-off-by:
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Rajkumar Manoharan authored
For AR9287 v1.3+ chips, MAC runs at 117MHz. But the initvals IFS parameters are loaded based on 44/88MHz clockrate. So eifs/usec from ini should not be used for AR9287 v1.3+. The mentioned values are tested on 2 chain HT40 mode. Signed-off-by:
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Rajkumar Manoharan authored
Initialize 9us slot time as that is what is used mostly (for non-ERP cases) and also to be in sync with initvals. Signed-off-by:
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Rafał Miłecki authored
It was tested on three BCM4331 devices, code has been written from MMIO dumps only, but seems to be quite stable. Signed-off-by:
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Rafał Miłecki authored
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Larry Finger authored
When 64-bit DMA was first used, there were problems with the BCM4311 (14e4:4311). The problem was "fixed" by using the GFP_DMA flag in the allocation of coherent ring descriptor memory. The original problem is now believed to have been due to bugs in the 64-bit DMA implementation in the rest of the kernel, and that those bugs have been fixed. Accordingly, the requirement for the descriptors to be in the DMA zone is relaxed. Bounce buffers are left in the DMA zone. Signed-off-by:
Michael Buesch <m@bues.ch> Signed-off-by:
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Axel Lin authored
Since commit e0626e38 (spi: prefix modalias with "spi:"), the spi modalias is prefixed with "spi:". This patch adds "spi:" prefix for modalias of stlc45xx. Also move it to be group with other modalias. Signed-off-by:
Axel Lin <axel.lin@gmail.com> Acked-By:
Christian Lamparter <chunkeey@googlemail.com> Signed-off-by:
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Johannes Berg authored
In order to implement support for GO powersave on the P2P client side, the ucode needs to know what GO we're trying to authenticate/associate with, it needs to have a station entry and the BSSID in the RXON set. Implement the new mac80211 callbacks to give this data to the device. Since this is also useful for the device when a normal connection is established, also program it with the information in that case. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Emmanuel Grumbach authored
This finalizes the move of the data path to the transport layer. Signed-off-by:
Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by:
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Emmanuel Grumbach authored
priv->mac80211_registered and priv->hw needed to move to shared. stop_queue API was added in order to allow the upper layer to stop the SW queues for regulatory purposes. Signed-off-by:
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Emmanuel Grumbach authored
This one is really transport related. ==== moves Stanislaw's code to BSD area ==== Signed-off-by:
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Emmanuel Grumbach authored
This one is really transport related. Signed-off-by:
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Emmanuel Grumbach authored
Remove a few dereferences of priv from the transport layer while at it. Signed-off-by:
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Emmanuel Grumbach authored
Since all the check_empty logic is now in the transport layer, the upper layer doesn't need to know anything about tx queues. The disable aggregation flow was the last to know what a tx queue is, so move it too. Signed-off-by:
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