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The A-MPDU code checked against a retry limit, but it was using
the wrong variable to do so. This patch fixes this to assure
proper retry mechanism.
This problem had a side-effect causing the mac80211 flush callback
to remain waiting forever as well. That side effect has been fixed
by commit by Stanislaw Gruszka:
commit f96b08a7e6f69c0f0a576554df3df5b1b519c479
Date: Tue Jan 17 12:38:50 2012 +0100
brcmsmac: fix tx queue flush infinite loop
Reference:
https://bugzilla.kernel.org/show_bug.cgi?id=42576
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The function wlc_phy_txpwrctrl_pwr_setup_nphy() does assign a local
variable target_pwr_qtrdbm in several code paths, but in the end all
code paths are coming to an assignment of that variable which does
override all previous. So those early and redundant assignments have
been removed.
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The radio initialization for 2057 rev 5 was using the incorrect
register table for the initialization. This patch fixes that.
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Alwin Beukers <alwin@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch correct some typos in a comment.
Signed-off-by: Tristan Pourcelot <tristan.pourcelot@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Devendra Naga <devendra.aaru@gmail.com> submitted a patch for rtl8192c_common
to change the tests in _rtl92c_store_pwrIndex_diffrate_offset(). This patch
improves on those changes and applies similar modifications to drivers rtl8192se
and rtl8192de.
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: John Li <chen-yang.li@mediatek.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: John Li <chen-yang.li@mediatek.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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bitmask against 1
in _rtl92c_phy_calculate_bit_shift everytime the right shifted bitmask
is AND with 1 and compared against 1. i.e.
if ((bitmask >> i) & 0x1 == 1)
break;
which in the if condition is anyway becomes a 1 or 0.
Signed-off-by: Devendra.Naga <devendra.aaru@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
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If the firmware implements beacon filtering,
beacons are filtered when not associated. This causes
association failures on channels marked passive.
Enabling this flag indicates to the firmware to allow
the beacons to pass through when not associated only.
Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Already return 0, change to void
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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This will allow to set the hw_params after we fetch the uCode.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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The capabilities parsed from the ucode file are never saved. Save
them in the iwl_fw structure.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Remove the references to iwl_priv from the firmware request and
parsing routines. They are generic to the nic.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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This allows to handle races such as Tx packets on their way to be
sent although the transport has been stopped already.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Move the ucode offset pointers to the iwl_nic as they are nic related.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Fix a few typos in the existing comments too.
Enforce the comments with might_sleep.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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When a host command is sent through testmode, the whole
reply (including rx header) is returned to the user, and not
only the payload of the rx.
Before this commit the length was buggy - the reply contained 4 bytes
after the end of the payload.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Fixed casting of buffer addressing, and added size to
the read method, like in __iwl_read_prph.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Remove another dependency between the nic layer and the iwl_priv
struct.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Remove the return value.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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iwl_down was just a wrapper around __iwl_down which was called from
one place only. Replace it to direct call to iwl_down. Add lockdep
warning in iwl_down to ensure it was called with the mutex held.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Change the prameters to the ucode (de)allocate routines to iwl_nic as
they are not transport operations.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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The ucode image is a ucode related thing not a transport one. Move them.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Move firmware_loading_complete from iwl_priv to iwl_nic and rename it
to more accurately reflect what it does.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Delete firmware_name from iwl_priv and use iwl_nic instead.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Delete fw_index from iwl_priv and use iwl_nic instead.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Delete ucode_ver from iwl_priv and use iwl_nic instead.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Create iwl_nic structure and link it together.
Signed-off-by: Don Fry <donald.h.fry@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Instead of using a global lock, the PCIe transport
can use an own lock for its IRQ. This will make it
possible to not disable IRQs for the shared lock.
The lock is currently used throughout the code but
this can be improved even further by splitting up
the locking for the queues.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
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In order to separate the different parts of the
driver better, we are reducing the shared data.
This moves the workqueue to "priv", and removes
it from the transport. To do this, simply use
schedule_work() in the transport.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Make iwlwifi record all debug messages into
tracing, even if debug_level is not enabled.
Due to the lack of APIs, the debug messages
are now recorded up to a max length of 100,
the only one above that is the RXON which is
not needed if you trace the commands as well
as it only dumps the command contents.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi W Guy <wey-yi.w.guy@intel.com>
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The testmode command for host command send now replies
with a nl80211 message and the response it recieved from
the device.
This does not change the API directly, but adds a reply
to the testmode call.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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Replaced the old SRAM and periphery indirect access functions
with a unified indirect memory access functions. These include
new IWL_TM_CMDs for buffer read/write/dump which replace the
SRAM read/dump commands, but the API for IWL_TM_CMD_INDIRECT_REG
read/write will now not be supported (returns error).
This also handles writing to periphery registers in 1-3 bytes.
Requires the corresponding patch in the library for the API change.
Signed-off-by: Amit Beka <amit.beka@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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A lot of error conditions in testmode log as IWL_DEBUG_INFO which is not
logged by default. Change it
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/debugfs_sta.c
net/mac80211/sta_info.h
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Rate control algorithms are supposed to stop processing when they
encounter a rate with the index -1. Checking for rate->count not being
zero is not enough.
Allowing a rate with negative index leads to memory corruption in
ath_debug_stat_rc().
One consequence of the bug is discussed at
https://bugzilla.redhat.com/show_bug.cgi?id=768639
Signed-off-by: Pavel Roskin <proski@gnu.org>
Cc: stable@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Driver maintains different flags for WEP, WPA, WPA2 security modes.
Appropriate flag is set using security information provided in
connect request. mwifiex_is_network_compatible() routine uses them
to check if driver's setting is compatible with AP. Association is
aborted if the routine fails.
For some corner cases, it is observed that association is failed
even for valid security information based on association history.
This patch fixes the problem by clearing previous security setting
during each association.
We should set WEP key provided in connect request as default tx key.
This missing change is also added here.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"ret" has already been checked at this point, and we don't need to check
it again. This was left around from a previous patch 49d750ca14
"wl12xx: 1281/1283 support - New radio structs and functions".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Delete the global wl->vif (and the checks on it),
so multiple vifs could be added.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Enter forced psm when changing fw, in order to make the
sta a bit more disconnection-persistent.
(DPM doesn't know about the incoming recovery, so it
won't enter psm by itself)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx uses different fw for single-role and multi-role
scenarios (due to lack of space, some of the fw advanced
features are disabled in the multi-role fw).
Add checks on add_interfae and remove_interface in order
to determine whether a fw switch is needed (and initiate
recovery in this case).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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A special PLT firmware is used for calibration.
Add multiple fw support by introducing a new fw_type member,
representing the currently saved fw (the actual fw state
can be determined by wl->state).
Signed-off-by: Gery Kahn <geryk@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add control over split_scan_timeout through
debugfs. Values are in ms while 0 will disable split scan.
Signed-off-by: Eyal Shapira <eyal@wizey.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Split scan allows the FW to schedule other activities
during a scan which may be a long operation. This is
achieved by setting a trigger TID to ANY_TID and a scan
trigger timeout other than 0. The default one is set to 50ms.
Signed-off-by: Eyal Shapira <eyal@wizey.com>
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Increase max scan IEs to allow big probe-req frames
Report a correct max-length for the scan IEs we can support, according
to the now larger size of the probe-req template.
Signed-off-by: Ido Reis <idor@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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AP role uses its own role_id for scans, so there's
no reason to fail the scan if dev_role_id is invalid.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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By allowing hw scan while idle, we no longer
need the redundant ROC/CROC that are done
on idle off/on, which helps simplifying the
state machine of the driver.
This way, we can also allow scanning while
there is an ongoing sched scan (otherwise,
we won't be able to ROC on idle-off)
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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We have to configure arp filtering only after the role was
started, so move the BSS_CHANGED_ARP_FILTER handling after
the join.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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This reverts commit e5e2f24b3eec67a7a35d43654a997f98ca21aff2.
The encryption consideration on auto-arp configuration,
along with a fw fix, seem to resolve the crashes that
occured when auto-arp was enabled, so we can re-enable it now.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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