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When mwifiex device becomes GO, unicast traffic between client1 and GO stops
when client2 connects to GO. Reason behind this was PTK getting
overwritten by key_material command for client2 as it did not have client
mac address. So, client1 can no more decode GO's ping packets though it
responds to its broadcast packets.
This patch adds case to check for BSS_ROLE instead of bss_type to set
client mac address while configuring keys when device becomes GO.
Signed-off-by: Maithili Hinge <maithili@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On AR9003, tx control and tx status are in separate descriptor rings.
Tx duration is extracted from the tx control descriptor data, which
ar9003_hw_proc_txdesc cannot access.
Fix getting the duration by adding a separate callback for it.
Acked-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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chan_lock is not required for checking if
we are in the middle of a HW reset, so do it
early. This also removes the small window
where the lock is dropped and reacquired.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add basic wowl (magic packet and disconnect) support. This patch adds
this support only for PCIE bus devices. This feature requires FW which
has support for wowl built in.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When driver gets unloaded due to error situation there is a chance
a packet gets received while fws has already been cleaned up. This
will result in kernel crash. This patch adds a check to avoid this
crash.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In order to provision the P2P_DEVICE mac address using p2p_da_override iovar
the discovery interface must be disabled. On some targets setting the mac
address failed so disable the discovery interface to be certain.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Msgbuf is using GFP_ATOMIC where GFP_KERNEL is also sufficient. On
some platforms the coherent DMA memory is very limited when using
GFP_ATOMIC. This patch changes usage of GFP_ATOMIC to GFP_KERNEL and
uses worker to make this possible for creation of flowring.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Need a cast to assure correct value is propagated.
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Increase driver scan timeout from 8 to 10 seconds and report results
to cfg80211. Without this patch the already received results were
dropped on driver timeout.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On AR934x and newer SoC devices, the layout of the AR_RTC_PLL_CONTROL
register changed. This currently breaks at least 5/10 MHz operation.
AR933x uses the old layout.
It might also have been causing other stability issues because of the
different location of the PLL_BYPASS bit which needs to be set during
PLL clock initialization.
This patch also removes more instances of hardcoded register values in
favor of properly computed ones with the PLL_BYPASS bit added.
Reported-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The cycpwr_thr1 value needs to be lower on the extension channel than on
the control channel, similar to how the register settings are programmed
in the initvals.
Also drop the unnecessary check for HT40 - this register can always be
written. This patch has been reported to improve HT40 stability and
throughput in some environments.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit 09efc56345be4146ab9fc87a55c837ed5d6ea1ab
I've received reports that this change is decreasing throughput in some
rare conditions on an AR9280 based device
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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SKB lists have their own lock. So this lock is not needed.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes an issue with rx processing function where we were
decrementing rx_pending count twice.
Patch also queues correct main_work item when rx_pending count reaches
low watermark.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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A soft lockup was observed on ARM multicore platform while UDP
RX iperf was running on station.
Reason for this is delay_main_task was not taken into consideration while
jumping to process_start. Now if delay_main_task is true, we would exit
mwifiex_main_process instead of going to process_start again.
This ensure other process is scheduled on this CPU and soft lockup is avoided.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kevin Gan <ganhy@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On AR934x rev 3, settin the ad-hoc flag completely messes up hardware
state - beacons get stuck, almost no packets make it out, hardware is
constantly reset.
When leaving out that flag and setting up the hw like in AP mode, TSF
timers won't be automatically synced, but at least the rest works.
AR934x rev 2 and older are not affected by this bug
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It is needed for AR934x as well
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Needed for calling vmalloc()/vfree()
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In a number of places, kmalloc or valloc were used to acquire memory.
To ensure that these locations are correctly initialized, the calls were
changed to kzalloc and vzalloc. The change fixes a problem that was causing
HT operations to be cancelled.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rtl8821ae: Use common cmd_send_packet
A locking problem was found in routine _rtl92ee_cmd_send_packet() that led
to system freezes. Upon inspection, several drivers had the same problem;
however, the routines all used the same code. The common code has been
moved into rtlwifi.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Realtek released new drivers on 06/28/2014. These changes implement all their
changes into the kernel version of the driver. In addition, these modifications
are part of the process of unifying the Realtek and kernel code bases.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch updates the driver to match the latest Realtek release, and
it is an important step in getting the internal code source at Realtek to match
the code in the kernel. The primary reason for this is to make it easier for
Realtek to maintain the kernel source without requiring an intermediate like me.
In this process of merging the two source repositories, there are a lot
of changes in both, and this commit is rather large.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Not only does this patch update the driver to match the latest Realtek release,
it is an important step in getting the internal code source at Realtek to match
the code in the kernel. The primary reason for this is to make it easier for
Realtek to maintain the kernel source without requiring an intermediate like me.
In this process of merging the two source repositories, there are a lot
of changes in both, and this commit is rather large.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This driver was entered into staging a few cycles ago because there was
not time to integrate the Realtek version into the support routines in
the kernel. Now that there is an effort to converg the code base from Linux
and the Realtek repo, it is time to move this driver. In addition, all the
updates included in the 06/28/2014 version of the Realtek drivers are
included here.
With this change, it will be necessary to delete the staging driver. That
will be handled in a separate patch. As it impacts the staging tree, such a
patch is sent to a different destination.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The code fails to lock the skb queue, which leads to a number of problems.
This patch also fixes a Sparse warning about using a memset of 1 byte.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: troy_tan@realsil.com.cn
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We will now dump MAC, APU, CIU, ICU firmware memory segments also
for PCIe interface. Following is the updated userspace script which
reads firmware dump information.
mwifiex_pcie_fw_dump.sh: #!/bin/bash
ethtool --set-dump mlan0 0
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/ITCM.log
ethtool --set-dump mlan0 1
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/DTCM.log
ethtool --set-dump mlan0 2
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/SQRAM.log
ethtool --set-dump mlan0 3
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/IRAM.log
ethtool --set-dump mlan0 4
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/APU.log
ethtool --set-dump mlan0 5
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/CIU.log
ethtool --set-dump mlan0 6
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/ICU.log
ethtool --set-dump mlan0 7
ethtool --get-dump mlan0
ethtool --get-dump mlan0 data /tmp/MAC.log
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch takes care of missing error paths in firmware dump.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If stat data exceeds wmi-htc buffer limits
firmware splits it into many wmi stats update
events which are delivered in a ping-pong fashion
triggered by wmi stats request command.
Since there's only an implicit start-of-data and
no end-of-data indications the driver has to
perform some trickery to get complete stat data.
kvalo: use %zu to fix a compiler warning and fix a typo in a comment
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Stats were requested and processed for each read
call. This caused inconsistent readings.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The naming was a bit inconsistent.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The parsing function was rather complex. Simplify
by splitting it up into firmware branch specific
implementations.
While at it move the parsing code into wmi.c where
it belongs.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The return values are not used by callers of these functions
so change the functions to return void.
Other miscellanea:
o add __printf verification to wil6210 logging functions
No format/argument mismatches found
Acked-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This driver was entered into staging a few cycles ago because there was
not time to integrate the Realtek version into the support routines in
the kernel. Now that there is an effort to converg the code base from Linux
and the Realtek repo, it is time to move this driver. In addition, all the
updates included in the 06/28/2014 version of the Realtek drivers are
included here.
With this change, it will be necessary to delete the staging driver. That
will be handled in a separate patch. As it impacts the staging tree, such a
patch is sent to a different destination.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Not only does this patch update the driver to match the latest Realtek release,
it is an important step in getting the internal code source at Realtek to match
the code in the kernel. The primary reason for this is to make it easier for
Realtek to maintain the kernel source without requiring an intermediate like me.
In this process of merging the two source repositories, there are a lot
of changes in both, and this commit is rather large.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Addition of the new drivers and the update to a new version for the others
lead to changes in all the core routines.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Realtek released a new version of the drivers on 06/28/2014. This
patch implements the new power-save code. These changes also force
corresponding changes in the drivers.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Each of the routines in the rtlwifi common driver needs to be modified
for the coming changes. This patch prepares core.c, but also touches other
files.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Future patches will move the drivers for RTL8192EE and RTL8821AE
from staging to the regular wireless tree. Here, the necessary features
are added to the PCI driver. Other files are touched due to changes
in the various data structs.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the rtlwifi family of drivers was converted to use a workqueue when
entering or leaving power save mode (commits a269913c52, a5ffbe0a19,
41affd5286, b9116b9a2b, and 6539306b2c), the code began scheduling work from
the callback routine of a different workqueue with a resulting increase in
overhead.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The capability for 802.11ac will soon be added to these drivers. Once
that is done, a bitmask will be too large for the data storage.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Clearing IEEE80211_TX_CTL_PS_RESPONSE in a frame
that is not in the current context doesn't seem right.
Instead make sure that we don't add such frames
to the UAPSD queue by using a local variable.
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 reason why frames marked with
IEEE80211_TX_CTL_TX_OFFCHAN have to be sent using
the UAPSD queue. Since mac80211 makes sure that
RoC is done before pushing an offchannel frame
to the driver, we can use the normal TX queues
for transmission.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Since we use IEEE80211_HW_QUEUE_CONTROL now, the
CAB/Offchannel queues are registered as the last
two queues. There is no need to check and reassign
the queues in the TX start()/done() routines.
CAB frames will not reach the tx() callback since
we set IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING and
pull the buffered frames during beacon transmission.
We also don't have a special HW queue for handling
off-channel frames.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Two bits control TX power on BBP_R1 register. Correct the mask,
otherwise we clear additional bit on BBP_R1 register, what can have
unknown, possible negative effect.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Provide ethtool support; with support for interrupt coalescing through
get_coalesce/set_coalesce.
Placeholders for begin/complete will be used by runtime PM
to make sure target is powered up while performing ethtool operations
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch makes the driver to report signal strength information
to mac80211 for rtl8187se boards.
It differs from my previous RFT patch:
http://marc.info/?l=linux-wireless&m=140155388332534&w=2
because:
- I have now a working rtl8187se card, so I could serve my RFT by myself. :)
- CCK measurement code has changed a bit, but it does basically the same things.
- OFDM measurement method is changed because the older method reported incorrect
measures, at least for signals stronger than -40dBm).
CCK measurement seems quite good. OFDM seems less accurate, but this is the
same as the "reference" staging driver dose. I wanted not to change things just
to make measures of _one_ (my) card a bit more close to what _I_ (in my setup)
expected..
IMHO results are still good enough to justify reporting signal in dBm rather than in
"unspecified" units, so this is what this patch actually does.
Results of my tests with a working rtl8187se card connected with coaxes and
various RF attenuators to my AP are:
Input (approx) | CCK meas | OFDM meas
--------------------------------------
-30dBm | -32dBm | -31dBm
-40dBm | -40dBm | -41dBm
-50dBm | -50dBm | -55dBm
-60dBm | -59dBm | -63dBm
-70dBm | -69dBm | -73dBm
-80dBm | -79dBm | -83dBm
Also some real-field tests has been done (no coax, packets in the air) for the CCK
measure method, and they resulted in reasonable values.
Thanks-to: Bernhard Schiffner <bernhard@schiffner-limbach.de> [ for real-field tests]
Signed-off-by: andrea.merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When multiple channel contexts are enabled, a p2p interface
that is assigned to a context will have an address that
is different from the device mac address, which is used
by wpa_s as the p2p device ID.
Certain frames like provision requests use the device address
and these get dropped since ath9k_calculate_summary_state()
iterates over only the active interfaces in a context and the
device address is not used.
Fix this by adding the device mac address to the bssid mask.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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