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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
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"iwl: cleanup: remove unneeded error handling" missed the one in
if_sdio_debugfs_init().
I don't think we even need to check -ENODEV ourselves because if
DEBUG_FS is not compiled in, all the debugfs utility functions will
become no-op.
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Greenfield is a 11n feature, remove it from non-11n devices
configuration parameters list
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Separate the hw_set_hw_params() function to per device based; different
devices can have different hardware parameters set, when separate the
function based on device type can avoid mistakes, give more flexibilities and
easier to read.
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The TX status code is currently abusing the ampdu_ack_map field (a bitmap) to
count the number of successfully received frames. The comments in mac80211.h
show there are actually three different, relevant variables, of which we are
currently using two, both incorrectly. Fix this by making
- ampdu_ack_len -> the number of ACKed frames (i.e. successes)
- ampdu_ack_map -> the bitmap
- ampdu_len -> the total number of frames sent (i.e., attempts)
to match the header file (and verified with ath9k's usage) and updating Intel's
RS code to match.
Signed-off-by: Daniel Halperin <dhalperi@cs.washington.edu>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Add general, rx and tx uCode statistics to 3945. This will help
in debugging
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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When starting an aggregation session, the swq_id is generated in function
iwl_virtual_agg_queue_num() where the first parameter is supposed to be
the Access Class, but it used the tx fifo ID instead. This means the AC
value stored in swq_id is incorrect. To test this, look at the tx_queue
file in debugfs while transmitting Best Effort flow (ac=2), it shows:
hwq 10: read=0 write=0 stop=0 swq_id=0xa9 (ac 1/hwq 10)
After this fix, it will show:
hwq 10: read=0 write=0 stop=0 swq_id=0xaa (ac 2/hwq 10)
Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We removed resetting of PCI_RETRY_TIMEOUT register
in merge of suspend resume work.
'Suspend and resume' resets the PCI configuration space, so we
have to disable the RETRY_TIMEOUT register again here.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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IEEE80211_CONF_SHORT_SLOT_TIME is no longer a possible setting in
ieee80211_conf->flags
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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The low level transmission function is performed at uCode layer
for all the "agn" NICs, there is no statistics information available
for mac80211 get_stats() call. Remove the callback function to
avoid misleading information that returned success when indeed it is not
supported. Now return "not supported".
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Patch "iwlwifi: work around passive scan issue" was merged into
wireless-2.6, but touched a lot of code since modified (and moved)
in wireless-next-2.6. This caused some conflicts.
Conflicts:
drivers/net/wireless/iwlwifi/iwl-scan.c
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Some firmware versions don't behave properly when
passive scanning is requested on radar channels
without enabling active scanning on receiving a
good frame. Work around that issue by asking the
firmware to only enable the active scanning after
receiving a huge number of good frames, a number
that can never be reached during our dwell time.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Also remove associated IEEE80211_HW_NOISE_DBM from ieee80211_hw_flags.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Also includes a minor cleanup regarding quotation of a standard kernel
header file...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When reporting Tx status, indicate that only one rate was used.
Otherwise, the rate is frozen at rate index 0 (i.e. 1Mb/s).
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Cc: stable@kernel.org
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This is just a cleanup and doesn't change how the code works.
debugfs_create_dir() and debugfs_create_file() return an error pointer
(-ENODEV) if CONFIG_DEBUG_FS is not enabled, otherwise if an error occurs
they return NULL. This is how they are implemented and what it says in
the DebugFS documentation. DebugFS can not be compiled as a module.
As a result, we only need to check for error pointers and particularly
-ENODEV one time to know that DebugFS is enabled. This patch keeps the
first check for error pointers and removes the rest.
The other reason for this patch, is that it silences some Smatch warnings.
Smatch sees the condition "(result != -ENODEV)" and assumes that it's
possible for "result" to equal -ENODEV. If it were possible it would lead
to an error pointer dereference. But since it's not, we can just remove
the check.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Update the rfcsr and bbp init code for SoC devices to match with the
latest Ralink driver.
To have better control over which values are used for the register
initialization create a new function rt2800_is_305x_soc which checks
for SoC interface type, the correct RT chipset and the correct RF
chipset. This is based on the assumption that all rt305x SoC devices
use a rt2872 and rf3020/rf3021/rf3022.
In case an unknown RF chipset is found on a SoC device with a rt2872
don't treat it as rt305x and just print a message.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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A couple of sparse warnings in some rate settings (missing cpu_to_le32) were
fixed. Changed the conf_sg_settings struct from le to native endianess. The
values are converted to le when copying them to the acx command instead.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The driver had a join command without keep-alive restart procedures in the
channel changing code. After associated scans, the mac80211 does re-set the
current channel, causing the join to occur. This would stop the hardware
keep alive.
To make the joins safer in this respect, this patch adds a join function that
does the hardware-keep-alive magic along the join. This is now invoked in the
above mentioned scenario, and also other scenarios.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When U-APSD is enabled, device is not sending power save
state notifications to AP using QOS nullfunc frames.
This patch configures nullfunc templates needed for U-APSD.
Signed-off-by: Saravanan Dhanabal <ext-saravanan.dhanabal@nokia.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In testing I noticed that the wl1271 commands fall into two categories. In the
first category are "fast" commands, these mostly take only 0 or 1 polls to
complete, but occasionally upto 50 (giving a 0.5ms execution time.) In the
second category, the command completion takes well more than 0.5ms (from
1.5ms upwards.)
This patch fixes command polling such that it is optimal for the fast commands,
but also allows sleep for the longer ones.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Benoit Papillault <benoit.papillault@free.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The 'ready' condition was incorrectly evaluated which sometimes lead to
failures loading the second-stage firmware on 8686 devices.
(This was introduced in "libertas: consolidate SDIO firmware wait code".
-- JWL)
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When scanning, it is somewhat important to scan
on the correct virtual interface. All drivers
that currently implement hw_scan only support a
single virtual interface, but that may change
and then we'd want to be ready.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If bit 29 is set, MAC H/W can attempt to decrypt the received aggregate
with WEP or TKIP, eventhough the received frame may be a CRC failed
corrupted frame. If this bit is set, H/W obeys key type in keycache.
If it is not set and if the key type in keycache is neither open nor
AES, H/W forces key type to be open. But bit 29 should be set to 1
for AsyncFIFO feature to encrypt/decrypt the aggregate with WEP or TKIP.
Cc: stable@kernel.org
Reported-by: Johan Hovold <johan.hovold@lundinova.se>
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: Ranga Rao Ravuri <ranga.ravuri@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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TX interrupt mitigation reduces the number of interrupts
by addressing several interrupt actions (AR_IMR_TXOK,
AR_IMR_TXDESC) all in one interrupt so when enabling
it discard setting the other interrupts.
Without this TX interrupt mitigation would actually
increase the number of interrupts two-fold. We still
leave TX interrupt mitigation disabled as it is still
being tested.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the noisefloor calibration times out, do not load -50 into
the registers, since this might cause rx issues. Instead, leave
enough time for the noise floor calibration to complete until
the next check.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Since the new AR9003 EEPROM code does tune the card for the configured
tx power level, we need to fill in the correct power limits in the TPC
part of the DMA descriptor.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Combine multiple checks that were supposed to check for the same
conditions, but didn't. Always enable fast PLL clock on AR9280 2.0
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Adds read access for the 5 GHz fast clock flag
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fast clock operation (44Mhz) is enabled for 5Ghz in ar9003, so
take care of the conversion from usec to hw clock.
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Disable TX IQ calibration, it was prematurely enabled in
previous versions.
Cc: Paul Shaw <Paul.Shaw@Atheros.com>
Cc: Thomas Hammel <Thomas.Hammel@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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