- 02 Dec, 2010 3 commits
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Luciano Coelho authored
If we try to reset the debugfs statistics when debugfs is not configured in the kernel, we're memset an illegal pointer, because it has never been allocated. So check whether we have debugfs enabled by looking into the wl->rootdir before trying to reset the fw_stats struct. Reported-by:
Joerie de Gram <j.de.gram@gmail.com> Signed-off-by:
Luciano Coelho <luciano.coelho@nokia.com>
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Eliad Peller authored
Use per-device debugfs path, so multiple devices won't collide. in order to use wl->hw->wiphy->debugfsdir, we have to move the debugfs creation from wl1271_debugfs_init() to wl1271_register_hw(). Reported-by:
Johannes Berg <johannes@sipsolutions.net> Signed-off-by:
Eliad Peller <eliad@wizery.com> Signed-off-by:
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Eliad Peller authored
Documentation/filesystems/debugfs.txt: """ Once upon a time, debugfs users were required to remember the dentry pointer for every debugfs file they created so that all files could be cleaned up. We live in more civilized times now, though, and debugfs users can call: void debugfs_remove_recursive(struct dentry *dentry); """ Signed-off-by:
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- 26 Nov, 2010 2 commits
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Juuso Oikarinen authored
The probe-request template used in the hardware connection monitoring feature thus far has been an empty one, without the SSID IE and without supported rate IEs. This causes problems with some AP's. Additionally, after connected scans, the template for connection maintenance would remain to be the one last used for scanning - potentially incorrect. Fix these by getting a pre-filled directed probe-request template for the associated-to AP from mac80211. Signed-off-by:
Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by:
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Luciano Coelho authored
Instead of simply not scanning for the 11a channels when not supported by the hardware, disable the channels in reg_notify. This centralizes the decision on whether to scan 5GHz channel in one place and allows userspace to know exactly which channels are in use. Based on Juuso Oikarinen's idea. Cc: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by:
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- 23 Nov, 2010 1 commit
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Juuso Oikarinen authored
It is possible that the op_remove_interface function is invoked exactly at the same time has hw recovery is started. In this case it is possible for the interface to be already removed in the op_remove_interface call, which currently leads to a kernel warning and a subsequent kernel crash. Fix this by ignoring the op_remove_interface call if the interface is already down at that point. Signed-off-by:
Tuomas Katila <ext-tuomas.2.katila@nokia.com> Signed-off-by:
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- 22 Nov, 2010 6 commits
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Juuso Oikarinen authored
On the disassociation event from the mac80211, the wl12xx driver does not clear the chipset configuration related to the AP - i.e. it does not perform a DISCONNECT and then a JOIN with zero SSID and dummy BSSID. Also, it does not unset the BSSID filter. Often this is not a problem, as the above is performed upon entering idle state. But if a scenario arises where a new association is attempted without cycling through idle state, the new association will fail. Fix this by resetting the firmware state on disassociation. Signed-off-by:
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Arik Nemtsov authored
Indicate to mac80211 we support HW fragmentation. Support updates of the fragmentation threshold via the set_frag_threshold callback. Signed-off-by:
Arik Nemtsov <arik@wizery.com> Signed-off-by:
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Juuso Oikarinen authored
This reverts commit fa21c7a9. The reverted patch caused more harm than benefit. Signed-off-by:
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Juuso Oikarinen authored
The wl1271 does not support radar detection. Hence, prevent ad-hoc and active scanning on frequencies requiring DFS. Signed-off-by:
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Gery Kahn authored
The cleanup unused code for calibration procedures. Signed-off-by:
Gery Kahn <geryk@ti.com> Reviewed-by:
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Shahar Levi authored
All files name prefix removed due to the fact that wl12xx driver supports wl1271 and wl1273. Also the definition in Kconfig and header files changed respectively. Signed-off-by:
Shahar Levi <shahar_levi@ti.com> Signed-off-by:
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- 18 Nov, 2010 8 commits
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Rafał Miłecki authored
This hacks leads to incorrect SPROM parsing for me and reading for example MAC as: 00:00:00:54:00:00. Michael G. who introduced this confirmed it is not needed anymore. Signed-off-by:
Rafał Miłecki <zajec5@gmail.com> Tested-by:
Michael Gerdau <mgd@qata.de> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Felix Fietkau authored
Embedded boards do not have compressed EEPROM data, they use the struct ar9003_eeprom layout, with little endian fields, so copying the raw data to the eeprom buffer is enough. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
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Felix Fietkau authored
Some embedded boards store platform data for connected PCIe AR92xx chips in the system flash instead of a separate EEPROM chip. Signed-off-by:
Gabor Juhos <juhosg@openwrt.org> Signed-off-by:
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John W. Linville authored
CC [M] drivers/net/wireless/rndis_wlan.o drivers/net/wireless/rndis_wlan.c: In function ‘rndis_wlan_craft_connected_bss’: drivers/net/wireless/rndis_wlan.c:2542:2: warning: ‘ret’ may be used uninitialized in this function Signed-off-by:
Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
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John W. Linville authored
CC [M] drivers/net/wireless/iwmc3200wifi/commands.o drivers/net/wireless/iwmc3200wifi/commands.c: In function ‘iwm_scan_ssids’: drivers/net/wireless/iwmc3200wifi/commands.c:911:15: warning: operation on ‘iwm->scan_id’ may be undefined Signed-off-by: -
Bruno Randolf authored
Extend nl80211 to report an exponential weighted moving average (EWMA) of the signal value. Since the signal value usually fluctuates between different packets, an average can be more useful than the value of the last packet. This uses the recently added generic EWMA library function. Signed-off-by:
Bruno Randolf <br1@einfach.org> Signed-off-by:
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Bruno Randolf authored
Remove ath5k's private moving average implementation in favour of the generic library version. Signed-off-by:
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Bruno Randolf authored
This adds generic functions for calculating Exponentially Weighted Moving Averages (EWMA). This implementation makes use of a structure which keeps the EWMA parameters and a scaled up internal representation to reduce rounding errors. The original idea for this implementation came from the rt2x00 driver (rt2x00link.c). I would like to use it in several places in the mac80211 and ath5k code and I hope it can be useful in many other places in the kernel code. Signed-off-by:
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by:
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- 17 Nov, 2010 20 commits
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Johannes Berg authored
The code to handle powersaving stations has a race: when the powersave flag is lifted from a station, we could transmit a packet that is being processed for TX at the same time right away, even if there are other frames queued for it. This would cause frame reordering. To fix this, lift the flag only under the appropriate lock that blocks TX. Additionally, the code to allow drivers to block a station while frames for it are on the HW queue is never re-enabled the station, so traffic would get stuck indefinitely. Fix this by clearing the flag for this appropriately. Finally, as an optimisation, don't do anything if the driver unblocks an already unblocked station. Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
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Johannes Berg authored
In many places we've just hardcoded the AC numbers -- which is a relic from the original mac80211 (d80211). Add constants for them so we know what we're talking about. Signed-off-by:
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Felix Fietkau authored
Some of the new AR9003 cards do not come with an external EEPROM chip anymore. Calibration data on these cards is stored in the OTP ROM on the chip. This patch adds support for reading this data, and also adds support for different EEPROM chip sizes (512 bytes instead of 1K). Signed-off-by:
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Felix Fietkau authored
Since the pointers after the rates in the tx info cannot be used anymore after frames have been queued, this area can be used to store information that was previously stored in the ath_buf. With these changes, we can delay the ath_buf assignment in the aggregation code until aggregates are formed. That will not only make it possible to simplify DMA descriptor setup to do less rewriting of uncached memory, but will also make it easier to move aggregation out of the core of the ath9k tx path. Signed-off-by:
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Felix Fietkau authored
- remove the BUF_HT flag, and instead check for IEEE80211_TX_CTL_AMPDU before calling ath_tx_send_ampdu. - remove a few unused variables - calculate frame length before adding the frame padding - merge the misnamed ath_tx_start_dma function into ath_tx_start - remove an unused argument for assign_aggr_tid_seqno Signed-off-by:
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Felix Fietkau authored
This makes further tx path cleanups easier Signed-off-by:
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Felix Fietkau authored
Merge initial processing for the CAB queue and regular tx. Also move ath_tx_cabq() to beacon.c and make it static. Signed-off-by:
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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Felix Fietkau authored
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RA-Jay Hung authored
When send out skb data to mac80211, orignal code will cause mac80211 unaligned access, so modify code to make mac80211 can natural access. Signed-off-by:
RA-Jay Hung <jay_hung@ralinktech.com> Signed-off-by:
Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by:
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RA-Jay Hung authored
Put the assignment of header_length after pull out extra tx headroom Signed-off-by:
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