| Commit message (Collapse) | Author | Age | Files | Lines |
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The threshold values for RX interrupt mitigation
are different for AR9003 and AR9002 families.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The commit "ath9k: Process GTT interrupts" accidentally
had a line that was commented out.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch will also change behavior of rx_beacons statistic.
Instead of collecting all received beacons, it will collect only
ours. This, IMO make more sense, since for troubleshooting we will
need to know count of our beacons, or both.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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this function is used by most ath driver, so it can be moved here.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes bug found by the kbuild test robot:
tree: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next.git master
head: 1e2f9295f4c657500111514f92a3d3894d0e05b4
commit: 1cbbcb08c786964a16773c39f2536f1923c73c58 [135/140] wil6210: prefetch head of packet
config: make ARCH=microblaze allyesconfig
All error/warnings:
drivers/net/wireless/ath/wil6210/txrx.c: In function 'wil_vring_reap_rx':
>> drivers/net/wireless/ath/wil6210/txrx.c:381:2: error: implicit declaration of function 'prefetch' [-Werror=implicit-function-declaration]
prefetch(skb->data);
^
cc1: some warnings being treated as errors
vim +/prefetch +381 drivers/net/wireless/ath/wil6210/txrx.c
375 wil_err(wil, "Rx size too large: %d bytes!\n", dmalen);
376 kfree_skb(skb);
377 return NULL;
378 }
379 skb_trim(skb, dmalen);
380
> 381 prefetch(skb->data);
382
383 wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1,
384 skb->data, skb_headlen(skb), false);
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Prevent a possible overflow condition which results in occasional
bad IQ coefficients and EVM numbers.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes a bug in the TX IQ calibration post
processing routine because of which the driver disables
TX IQ correction even though the calibration results
are valid. This fix is applicable for all chips in the
AR9003 family.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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debug_sta.c: ath_debug_rate_stats() error: buffer overflow 'rstats->ht_stats' 24 <= 24
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Global Transmission Timeout interrupts are generated by
the HW when transmission of a frame fails - this is done
based on the threshold programmed in the AR_GTXTO register.
Currently, even though the interrupt is enabled for all chips,
it is not handled in the driver. This patch handles GTT events
for AR9003 and above chips, checking if the MAC/BB has hung
after successive GTT interrupts crosses a threshold (5).
This can be enabled for the older chips in the AR9002 family once
appropriate HW hang checks are implemented for them.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There is no need to do this and we can avoid
an unused variable warning when CONFIG_ATH9K_WOW is
not selected.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This would be useful when debugging RX performance issues.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Also, rename node_stat to node_aggr.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The REGULATORY_CUSTOM_REG can be used during early init with
the goal of overriding the wiphy's default regulatory settings
in case the alpha2 of the device is not known. In the case that
the alpha2 becomes known lets avoid having drivers having to
clear the REGULATORY_CUSTOM_REG flag by doing it for them
when regulatory_hint() is used.
Cc: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ath wants to first apply the custom regd and only later
will it revert to not using it if an alpha2 regulatory
domain is found. Since the wireless core now enforces
usage of the REGULATORY_CUSTOM_REG strictly when
wiphy_apply_custom_regulatory() is used this makes
ath adhere to the expected behaviour but also updates
the wiphy after its done with the custom usage.
This fixes this warning:
[ 5.488733] ath: phy0: ASPM enabled: 0x43
[ 5.488735] ath: EEPROM regdomain: 0x0
[ 5.488736] ath: EEPROM indicates default country code should be used
[ 5.488736] ath: doing EEPROM country->regdmn map search
[ 5.488737] ath: country maps to regdmn code: 0x3a
[ 5.488737] ath: Country alpha2 being used: US
[ 5.488738] ath: Regpair used: 0x3a
[ 5.488738] ------------[ cut here ]------------
[ 5.488745] WARNING: CPU: 0 PID: 161 at
/home/sujith/dev/wireless-testing/net/wireless/reg.c:1361
wiphy_apply_custom_regulatory+0x17a/0x1b0 [cfg80211]()
[ 5.488746] wiphy should have REGULATORY_CUSTOM_REG
The wireless core can *later* lift this flag for us for when
using the regulatory_hint() to make this fix more generic.
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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This value is no longer used by mac80211, and practically no
driver ever set it to a correct value anyway, so remove it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add set_bitrate_mask callback. Currently
ath10k HW is limited to handle only single
fixed rate setting or limit number of used
spatial streams.
Example:
iw wlanX set bitrates legacy-5 ht-mcs-5 vht-mcs-5 2:9
will setup VHT, nss=2, mcs=9
iw wlanX set bitrates legacy-5 18 ht-mcs-5 vht-mcs-5
will setup legacy, 18Mbps
iw wlanX set bitrates legacy-5 ht-mcs-5 3 vht-mcs-5
will setup HT, nss=1, mcs=3
iw wlanX set bitrate legacy-5 ht-mcs-5 vht-mcs-5 1:0-9
will setup nss=1
iw wlanX set bitrate legacy-5 ht-mcs-5 vht-mcs-5 1:0-9 2:0-9
will setup nss=2
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Firmware dbglogs can be now enabled through fw_dbglog file. To enable all
possible log messages run:
echo 0xffffffff > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog
And to put back firmare defaults use 0x0:
echo 0x0 > /sys/kernel/debug/ieee80211/phy0/ath10k/fw_dbglog
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Send firmware WMI debug logs to user space for further processing.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Firmware can send simple ascii strings as debug messages using
WMI_DEBUG_PRINT_EVENTID, print those with ATH10K_DBG_WMI log level.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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To not exceed number of allowed clients (AP mode), make sure to
check how many of them are already on the peers list.
10.X firmware support up to 127 peers, non-AP centric firmwares 16.
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently ath10k is not using STA KICKOUT firmware functionality.
In order to avoid unwanted WMI_PEER_STA_KICKOUT_EVENT event this functionality
should be disabled when not used.
Signed-off-by: Marek Puzyniak <marek.puzyniak@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add Kconfig option that allow DFS functionality.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Not each ath10k FW track supports P2P (10.X for instance does not)
This new firmware feature flag allows to turn off P2P interface type.
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Split the interface limits and inteface combination,
to reflect the 10.X capabilites (no P2P, no STA and 8 VAP).
kvalo: reverse order of ATH10K_FW_FEATURE_WMI_10X test, fix
checkpath warnings
Signed-off-by: Bartosz Markowski <bartosz.markowski@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Although CCK modulation isn't expected for 11a if
it happened it made ath10k report wrong band
(2GHz) for a mgmt frame that were actually
received on 5Ghz band. Frequency would also
decoded incorrectly too.
In case of 5GHz-only devices this triggered
mac80211 WARN_ON because there was no according
sband pointer to be found.
The patch should fix delivery of such frames by
using different means to acquire band parameter.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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We should check MIC error flag base on
rx_attention, to have consistent status
of MIC failure and FCS error.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Frames received from FW were treated incorrectly.
This led to stations being unable to associate to
WEP Shared ath10k AP. This was indicated by a
bizarre hostapd message:
Unsupported authentication algorithm (36088)
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Fast Channel Change across bands was enabled for
AR9462 recently, but this is causing baseband issues.
Disable it until this feature is tested well. Also,
remove the feature bit for AR9565 since it is
a single-band card and doesn't support this feature.
Cc: stable@vger.kernel.org
Reported-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Accessing the current channel definition in mac80211
when processing RX packets is problematic because it
could have been updated when a scan is issued. Since a
channel change involves flushing the existing packets
in the RX queue before a chip-reset is done, they would
be processed using the wrong band/channel information.
To avoid this, use the current channel information
maintained in the driver.
Cc: stable@vger.kernel.org
Reported-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* Add new AR9565 1.0/1.0.1/1.1 IDs
* Change Dell/Lenovo/Samsung cards to 2-Antenna with diversity.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As soon as skb is ready to be reaped, prefetch 1-st cache line.
This accelerates data access that is performed later, during the
packet classification by the driver and IP stack.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Bit DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS should be set for IPv4
only. Don't set it for IPv6
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use hardware capabilities to limit IRQ generation to about 15 per msec
It corresponds to about 7 packets/IRQ when running iperf with default
parameters at 1.3Gbps
Do not enable this feature in the sniffer (monitor) mode, because
interrupt moderation cause timestamp accuracy deterioration.
For the sniffer flow, it is important to get precise timestamp.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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This patch adds a driver workaround for a HW issue.
A race condition in the HW results in missing interrupts,
which can be avoided by a read/write with the ISR register.
All chips in the AR9002 series are affected by this bug - AR9003
and above do not have this problem.
Cc: stable@vger.kernel.org
Cc: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Pick the MAC address of the first virtual interface as the new hardware MAC
address. Set BSSID mask according to this MAC address. This fixes CVE-2013-4579.
Signed-off-by: Mathy Vanhoef <vanhoefm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When not aggregating packets, fi->framelen should be passed in as length
to calculate the duration. Before the tx path rework, ath_tx_fill_desc
was called for either one aggregate, or one single frame, with the
length of the packet or the aggregate as a parameter.
After the rework, ath_tx_sched_aggr can pass a burst of single frames to
ath_tx_fill_desc and sets len=0.
Fix broken duration calculation by overriding the length in ath_tx_fill_desc
before passing it to ath_buf_set_rate.
Cc: stable@vger.kernel.org
Reported-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The maximum permissible values for noise floor in ETSI
and Japan domains have been updated with new EU
regulations for CCA detection. Adjust the values in the
driver accordingly.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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AR955x has problems with RX sensitivity in 2G. This patch
adds a routine to select range_osdac dynamically on a
per-chain basis to address this issue.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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