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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
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In some cases, e.g. probe_status, there were spaces
missing so the trace output was confusing. Also make
it more like mac80211 when printing netdevs/wiphys
to make reading a combined log easier.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The frequencies will be printed when actually
doing the scan, and the IEs can be captured
on the hwsim0 monitor.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the number of channels is > 1, which means that
hwsim will use mac80211 channel contexts, it can
also advertise VHT support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add definitions for the VHT MCS support values that
are used to indicate, for each number of streams
(1 through 8) which MCSes are supported.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To achieve this, limit the number of retries to
31 (instead of 255) and use the three bits that
are then free for VHT flags.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support to mac80211 for having drivers report
received VHT MCS information.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for reporting and calculating VHT MCSes.
Note that I'm not completely sure that the bitrate
calculations are correct, nor that they can't be
simplified.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Convert mac80211 (and where necessary, some drivers a
little bit) to the new channel definition struct.
This will allow extending mac80211 for VHT, which is
currently restricted to channel contexts since there
are no drivers using that which makes it easier. As
I also don't care about VHT for drivers not using the
channel context API, I won't convert the previous API
to VHT support.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Change nl80211 to support specifying a VHT (or HT)
using the control channel frequency (as before) and
new attributes for the channel width and first and
second center frequency. The old channel type is of
course still supported for HT.
Also change the cfg80211 channel definition struct
to support these by adding the relevant fields to
it (and removing the _type field.)
This also adds new helper functions:
- cfg80211_chandef_create to create a channel def
struct given the control channel and channel type,
- cfg80211_chandef_identical to check if two channel
definitions are identical
- cfg80211_chandef_compatible to check if the given
channel definitions are compatible, and return the
wider of the two
This isn't entirely complete, but that doesn't matter
until we have a driver using it. In particular, it's
missing
- regulatory checks on the usable bandwidth (if that
even makes sense)
- regulatory TX power (database can't deal with it)
- a proper channel compatibility calculation for the
new channel types
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of passing a channel pointer and channel type
to all functions and driver methods, pass a new channel
definition struct. Right now, this struct contains just
the control channel and channel type, but for VHT this
will change.
Also, add a small inline cfg80211_get_chandef_type() so
that drivers don't need to use the _type field of the
new structure all the time, which will change.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As mwifiex (and mac80211 in the software case) are the
only drivers actually implementing remain-on-channel
with channel type, userspace can't be relying on it.
This is the case, as it's used only for P2P operations
right now.
Rather than adding a flag to tell userspace whether or
not it can actually rely on it, simplify all the code
by removing the ability to use different channel types.
Leave only the validation of the attribute, so that if
we extend it again later (with the needed capability
flag), it can't break userspace sending invalid data.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If ieee80211_prep_channel() decides that HT should be
disabled (because the HT IEs from the AP were invalid)
it will set the IEEE80211_STA_DISABLE_HT to not send
HT capabilities to the AP when associating. If this
happens during authentication, the flag will be lost
and we send HT frames, even if the channel config was
set up for non-HT. This can lead to issues.
Fix this by always resetting the ifmgd flags to zero
when the channel context is released so that the flag
resetting in ieee80211_mgd_assoc() isn't necessary.
To make the code a bit easier move the call to release
the channel in ieee80211_set_disassoc() to the end of
the function together with the flag resetting (which
needs to be at the end to avoid timers setting flags.)
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use shortcut pointer instead where it is appropriate.
Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Return early if not a QoS Data frame.
Give proper documentation.
Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Marco Porsch <marco.porsch@etit.tu-chemnitz.de>
[prefix with IEEE80211_]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The debug message has to be printed also for an Auth message with
auth_sequence != 1. This helps understanding whether the two Auth
messages are exchanged correctly or not.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It does not make sense to keep a station alive if it is not authorised
at all. If IBSS/RSN is used it could also be the case that something
went wrong during the keys exchange and the stations ended up in a not
recoverable state.
By not updating last_rx we are giving the station a chance to be
deleted and to start the key exchange once again from scratch.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The function cfg80211_get_p2p_attr() can fail and returns
a negative error code. However, the return type is unsigned
int. The largest positive number is determined by desired_len
variable in the function, which is u16. So changing the return
type to int to allow easy error checking. Also change the type
for the attribute to enum for improved type checking.
Signed-off-by: Arend van Spriel <arend@broadcom.com>
[fix indentation, don't use u8 attr variable]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, mac80211 checks the DS params IE if present and
uses it for the (primary) BSS channel, instead of the one
that the frame was received on. This is particularly useful
in the 2.4 GHz band since a frame is often received on one
of the adjacent channels due to overlap.
Move this code to cfg80211 so other drivers also do this.
Additionally, on 5 GHz, in particular with some (possibly)
upcoming changes in 802.11ai and duplicate transmissions
when wider channels are used, something similar happens.
So if present, also use the (primary) channel information
contained in the HT operation IE.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the AP doesn't support HT, or more importantly if
it does but we have to disable it because its IEs are
broken, don't advertise HT support in our association
request. Otherwise, we configure our channel to be a
20 MHz non-HT channel but the AP might still think we
support HT, or even 40 MHz.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since the 11n spec amendment was rolled into the
2012 version, "11n" no longer makes sense. Use
"HT" instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the driver doesn't support 40 MHz channels, then
mac80211 erroneously sets number of RX chains to one
although the number of chains is independent of the
support for 40 MHz channels.
Fix this by checking the 40 MHz support only for the
code that sets the 40 MHz channel not the complete
HT code block.
This also means the HT20 channel type will always be
set in the changed code block so there's no need to
set it in case we override the AP due to invalid IEs
in the probe response/beacon.
The indentation is a bit quirky, but I'm rewriting
this code for VHT support so this will change again
very soon.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The radiotap vendor area in the skb head must be skipped
and accounted for in a few functions until it is removed.
I missed this in my patch, so a few places use this data
as though it was the 802.11 header, fix these places.
Reported-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Tested-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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CC drivers/net/wireless/rtlwifi/rtl8723ae/trx.o
drivers/net/wireless/rtlwifi/rtl8723ae/trx.c: In function ‘rtl8723ae_rx_query_desc’:
drivers/net/wireless/rtlwifi/rtl8723ae/trx.c:324:21: error: ‘RX_FLAG_MACTIME_MPDU’ undeclared (first use in this function)
drivers/net/wireless/rtlwifi/rtl8723ae/trx.c:324:21: note: each undeclared identifier is reported only once for each function it appears in
make[3]: *** [drivers/net/wireless/rtlwifi/rtl8723ae/trx.o] Error 1
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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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Conflicts:
drivers/net/wireless/iwlwifi/pcie/trans.c
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One of the debug macro invocations ended up with a stray 0 argument
where the format string should be. Remove it.
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fixes sparse warning:
drivers/net/wireless/brcm80211/brcmsmac/main.c:308:10: sparse: symbol 'wlc_prio2prec_map' was not declared. Should it be static?
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The 'stations' debugfs file has multiple issues. It doesn't scale
to an arbitrary number of associated stations and allocating
64K is not elegant either. Now that changes have been made in
mac80211 to support dynamic creation/deletion of driver-specific
debugfs files on station addition/removal, remove this file and
make use of the mac80211 hooks (which will be done in a sebsequent
patch).
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Update the rate statistics only when debugfs has been enabled
in ath9k and mac80211 and move the stat() functions under proper
conditionals.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove the rate control statistics debugfs file properly
via remove_sta_debugfs(). Also, check for both MAC80211_DEBUGFS
and ATH9K_DEBUGFS config options.
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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The 'xmit' debugfs file has become big and unwieldy, fix
multiple issues with its usage:
* Store TX counters/statistics only for the 4 Access Categories.
Use IEEE80211_NUM_ACS instead of ATH9K_NUM_TX_QUEUES.
* Move various utility macros to debug.h, they can be reused
elsewhere.
* Remove tx_complete_poll_work_seen.
* Remove code that accesses various internal queue-specific
variables without any locking whatsoever. HW/SW queue details
will be handled in a subsequent patch.
* Do not print internal values like txq_headidx and txq_headidx.
They were mostly unused anyway, considering code like:
PRX("txq_tailidx: ", txq_headidx);
* Handle 'txprocdesc' for EDMA too.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use the macros provided by mac80211 and remove redundant
declarations inside the drivers.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move regulatory domain initialization code to a separate function.
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On lower WLAN signal strength, WLAN downlink traffic might suffer
from retransmissions. At the mean time, playing SCO/A2DP profiles
is affecting WLAN stability. In such scenario, by stomping SCO/A2DP
BT traffic completely for a BTCOEX period, gives WLAN traffic an
oppertunity to recover PHY rate. It also improves WLAN stability at
lower RSSI without sacificing BT traffic.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch reverts the commit "ath9k_hw: Wait BT calibration to complete"
and bail out from MCI interrupt routine for chip reset. The above commit
stalls the WLAN TCP traffic while bringing up and down the BT interface
iteratively. Fixing this properly by queueing up chip reset and bailing
out properly from tasklet routine.
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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FATAL and WATCHDOG interrupts should be processed first followed
by others.
Signed-off-by: Rajkumar Manoharan <rmanohar@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/bluetooth/bluetooth-next
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
drivers/net/wireless/iwlwifi/pcie/tx.c
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Provide drivers with hooks to create debugfs files when
a new station is added. This would help drivers to take
advantage of mac80211's station list infrastructure and not maintain
tedious station management code internally.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
[ifdef inline wrapper functions]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This avoids build failures on some architectures...
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
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These messages clutter up the trace buffer without adding any useful
information.
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add the brcmsmac_tx trace system for tx debugging. Existing code to dump
tx status and descriptors are converted to using tracepoints, allowing
for more efficient collection and post-processing of this data. These
tracepoints are placed to collect data for all tx frames instead of only
on errors. Logging of tx errors is also improved.
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Daniel Wagner <wagi@monom.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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