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Conflicts:
drivers/net/wireless/ath/ath6kl/init.c
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This patch enables support for doing P2P management operations like device
discovery on top of a station interface. After group formation, the station
interface will become a P2P GO/client interface as the case may be.
This feature requires modifications to a couple of existing WMI structures and
therefore new command ids and structures have been defined in order to be
compatible with older firmware versions and other chips. The exception here is
the wmi_connect_cmd. Adding a new field to the end of the structure will not
cause any issues with previous firmware versions since firmware only checks for
minimum length of the command. The other structures are of variable length,
hence it was not possible to add new fields to the end.
The new command ids have to be added to the end of enum wmi_cmd_id, so it has
updated to match the firmware.
The driver will support both the 'old' and the 'new' commands for a while by
checking the firmware capabilities.
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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AR6003 family use uart_tx=8 and refclk=26Mhz by default, and AR6004 family
uses different uart_tx pin and could also support various xtal source,
moves these per hw configuration.
Signed-off-by: Ryan Hsu <ryanhsu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl firmware supports scheduled scan functionality with the wow ssid
filter. But the firmware does not send any events after scan results
so I had to add a timer which notifies about new scan results.
Sched scan needs firmware version 3.2.0.6 or later. If firmware doesn't
support sched scan the driver will not enable the feature.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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For some strange reason I used ALIGN() to calculate index to the
buffer. That is totally bogus and wouldn't work when it tried to read
the second bit. Fix it by removing the ALIGN() altogether.
Also check that ie_len is not too short.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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According to the firmware engineers WOW_FILTER_SSID is actually the
second bit, not the first.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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During suspend we need to stop all vifs, not just the first.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This way it's possible to keep all disconnect logic in one function and
easier to add new functionality, like stopping scheduled scan.
There are some changes to commands called during network interface close,
but there should not be any visible changes in functionality.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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There's a workaround in ath6kl_cfg80211_stop() which emits disconnected
even when sme_state was disconnected. This is legacy from the old
staging driver and I can't repoduce the old problem anymore. I assume the
bug got fixed while the driver was cleaned up so let's get
rid of the hack.
This makes it possible to call ath6kl_cfg80211_stop from ath6kl_close()
which happens in a followup patch.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It really should not return a void pointer. Also remove useless casts
from its users.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is needed to allow WAPI AP to configure the initial group key
to the target in the same way as is done with TKIP/CCMP. This
fixes broadcast data frame delivery with the initial group key.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The maximum number of clients which ath6kl can support in AP mode
is 10. The limitation of 8 connections is only for older chipsets
which ath6kl does not support.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It was only initialised but not used anywhere. Also remove two defines
which ended up unused after this change.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath6kl assumed cfg80211 passed to us power in dBm but it is in mBm.
Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The return value of snprintf() is the number of bytes which would
have been copied if there was enough space, but we want the number of
bytes actually copied. The scnprintf() function does this.
Also in theory, a %u can take take 10 digits so we may as well make
the buffer larger as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
drivers/net/wireless/iwlegacy/iwl-debugfs.c
drivers/net/wireless/iwlegacy/iwl-rx.c
drivers/net/wireless/iwlegacy/iwl-scan.c
drivers/net/wireless/iwlegacy/iwl-tx.c
include/net/bluetooth/bluetooth.h
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Currently mac80211 implements these for all devices,
but given restrictions of some devices that isn't
really true, so prepare for being able to remove the
capability for some mac80211 devices.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Firmware crashes while starting Soft AP in 32 bit x86 platform.
The reason is that the single dma buffer (ar_sdio->dma_buffer)
is used in ath6kl_sdio_read_write_sync() for unaligned buffer
handling and this function is called in the multiple context
at the same time. So, finally hits dma buffer corruption and
firmware crash.
Mutex is used to protect dma buffer to avoid data corruption.
Spin lock can not used to fix this issue since mmc stack
read/write calls may for sleep.
Observed this issue with recently commited patch
"ath6kl: Claim sdio function only at appropriate places"
861dd058f495973c7ad2a44b8f68f3cc05733eab
kvalo: change name of mutex to more descriptive and add a comment
about what it protects
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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There is an unlock missing on this error path.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The maximum number of supported virtual interfaces are 3.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Currently the max number of vifs which can be used for non-p2p
mode is determined in ath6kl_core_alloc(). But the maximum
supported vifs are parsed from firmware IE in ath6kl_fetch_fw_api2()
which would happen after ath6kl_core_alloc().
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This modparam was introduced to enable non-p2p mode operation
on two virtual interfaces. It does not seem to be necessary to
have a separate module parameter to do that. Instead, this option
can be enabled when any one of the interfaces is not going to be
used for p2p (ath6kl_p2p).
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The ath6kl responds to probe-requests in HW while operating as an AP. It
supports offloading exclusions to support the WPS, WPS2, P2P and
802.11u protocols.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When operating AP interface is brough down the mode is reset to
STA. This STA will be reconfigured into AP mode when the interface
is brought up again. This sequence will be successful only when
change_virtual_intf() returns with no error, but there is a
check in this callback which does the type change only when
that interface is active. This callback does nothing more
than saving the new interface type to vif and wdev, so the
sanity check for interface state and wmi state is not necessary.
This makes the AP interface functional again after interface down/up.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Connect control flag CONNECT_WPS_FLAG has to be cleared
by default even if the driver receives zero length IE
from cfg80211.
Otherwise this flag would be always set after WPS exchange
which would lead wpa_supplicant to fail to connect with
the received WPS credentials. This issue is observed only
in OPEN security.
kvalo: use cfg80211 instead of CFG in the commit log
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Not all firmwares support multiple vifs and we need to read the limit from
the firmware image.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Needed when detecting how many vifs firmware supports.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When adding ar6004 SDIO support I forgot to add corresponding
MODULE_FIRMWARE() definitions to sdio.c.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Part of ath6kl uses "REV3" style of naming hardware versions and elsewhere
"hw 2.1.1" is used instead for the same version. This is confusing, use
the latter term everywhere.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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To make it easier to print name for each hardware type. Also move the hw
info print to ath6kl_init_hw_start() which is more logical place for it.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Board data address can change between firmwares so we need to read that
from the firmware image.
Also fix debug log for the patch address to print the address in hex.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is to make it configurable by firmware IEs. Also determine if we need
to write or read the board address to the chip by checking if board address
is set or not.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It's easier to handle the values when they are defined in a struct.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Having separate defines, in a different file, makes it difficult to read
the actual values. As we are just setting named fields in a struct
the defines don't make any sense anymore.
There are no functional changes, only moving of constants.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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OPEN_AUTH is passed as dot11_auth_mode by default, this would
affect the AP mode when configured with shared authentication
type. Assign appropriate auth type to fix this from driver.
A patch in wpa_supplicant (wpa_supplicant: Set configured auth_algs)
is also needed to fix this.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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vif->def_txkey_index is set to key_index in ath6kl_cfg80211_add_key().
If the interface is configured with multiple static wep keys,
vif->def_txkey_index would be holding the index of the last key configured,
not the default tx key index. Remove this unnecessary default key index setting
in ath6kl_cfg80211_add_key() to configure the right key index in WEP thereby
make it work when multiple wep keys are configured.
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Now two modules are built, ath6kl_sdio.ko and ath6kl_usb.ko. But the USB
module isn't fully functional yet as HTC layer is missing support and
that's why it's marked as experimental for now.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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As HTC layer doesn't support USB devices return an error if that happens.
USB support will be added to HTC in the future, this is just a temporary
solution.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add USB support for ar6004. Currently only firmware can be booted,
no commands can be sent to firmware yet as HTC layer doesn't work
with USB yet.
Based on patches by Kevin Fang.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In some rare cases core code needs to know what hif type is used. Add
a field to struct ath6kl to denote that. Hopefully this is just a
temporary solution.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add support for AR6004 SDIO. Tested scan, association (open mode) and
ping.
kvalo: change commit log a bit, drop board address changes
Signed-off-by: Naveen Gangadharan <ngangadh@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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These have changed a bit since last time ar6004 code was commited.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add also hw 1.1.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This is preparation for USB support which will have different diag
commands.
Based on code by Kevin Fang.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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SDIO and USB have different maximum sizes for BMI commands so make that
configurable.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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In preparation for USB support which has it's own method for bmi.
Based on code by Kevin Fang.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The firmware expects the minimum length of
WMI_SEND_PROBE_RESPONSE_CMDID to be 13. However, when the device is a
P2P GO and it needs to send a probe response to a non-P2P client,
there are no P2P IEs to be added, and therefore the length of the WMI
command is 12. This command gets rejected by the firmware. To fix
this, add an extra byte to satisfy the minimum length requirement.
Signed-off-by: Aarthi Thiruvengadam <athiruve@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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When the connect event is received from the target in IBSS mode,
cfg80211_ibss_joined() is called without informing BSS info to
cfg80211 layer which internally hits the below WARN_ON message.
WARNING: at net/wireless/ibss.c:33 __cfg80211_ibss_joined+0x153/0x180 [cfg80211]()
[..]
[ 4916.845878] Call Trace:
[ 4916.845889] [<c10427d2>] warn_slowpath_common+0x72/0xa0
[ 4916.845905] [<f8bccc63>] ? __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
[ 4916.845918] [<f8bccc63>] ? __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
[ 4916.845923] [<c1042822>] warn_slowpath_null+0x22/0x30
[ 4916.845934] [<f8bccc63>] __cfg80211_ibss_joined+0x153/0x180 [cfg80211]
[ 4916.845941] [<c1025108>] ? default_spin_lock_flags+0x8/0x10
[ 4916.845952] [<f8bb7fcd>] cfg80211_process_rdev_events+0x19d/0x220 [cfg80211]
[ 4916.845962] [<f8bb669b>] cfg80211_event_work+0x2b/0x50 [cfg80211]
[ 4916.845968] [<c105aae6>] process_one_work+0x116/0x3c0
[ 4916.845977] [<f8bb6670>] ? cfg80211_get_dev_from_info+0x40/0x40 [cfg80211]
[ 4916.845982] [<c105cdf0>] worker_thread+0x140/0x3b0
[ 4916.845986] [<c105ccb0>] ? manage_workers+0x1f0/0x1f0
[ 4916.845991] [<c1060c64>] kthread+0x74/0x80
[ 4916.845995] [<c1060bf0>] ? kthread_worker_fn+0x160/0x160
[ 4916.846001] [<c14e7bbe>] kernel_thread_helper+0x6/0x10
[ 4916.846005] ---[ end trace 769254924e409367 ]---
This patch make sures that BSS info is delivered via cfg80211_inform_bss()
to cfg80211 in advance before intimating IBSS status to cfg80211.
In addition to this, one debug message is also added to know
ad-hoc mode status (creator/joiner).
kvalo: change subject
Signed-off-by: Raja Mani <rmani@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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"ath6kl: Maintain virtual interface in a list" mistakenly stops the
netq only when the mode is ibss. This causes packet drops in sta mode
when the available cookies (buffer abstraction in ath6kl and also used
for tx throttling) runs out for the highest priority traffic. This patch
just fixes this regression though the original code may still need fixes
which can be addressed in separate patches.
Reported-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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