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Commit "nl80211: send event when AP operation is stopped" added an
event to notify user space that an AP interface has been stopped, to
handle cases such as suspend etc. The event is sent regardless
if the stop AP flow was triggered by user space or due to internal state
change.
This might cause issues with wpa_supplicant/hostapd flows that consider
stop AP flow as a synchronous one, e.g., AP/GO channel change in the
absence of CSA support. In such cases, the flow will restart the AP
immediately after the stop AP flow is done, and only handle the stop
AP event after the current flow is done, and as a result stop the AP
again.
Change the current implementation to only send the event in case the
stop AP was triggered due to an internal reason.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Send Channel Availability Check time as a parameter
of start_radar_detection() callback.
Get CAC time from regulatory database.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Introduce DFS CAC time as a regd param, configured per REG_RULE and
set per channel in cfg80211. DFS CAC time is close connected with
regulatory database configuration. Instead of using hardcoded values,
get DFS CAC time form regulatory database. Pass DFS CAC time to user
mode (mainly for iw reg get, iw list, iw info). Allow setting DFS CAC
time via CRDA. Add support for internal regulatory database.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
[rewrap commit log]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Allow to set world regulatory domain in case of user
request (iw reg set 00).
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need for the struct device_type with the uevent function
etc., just fill the country alpha2 when sending the event.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Error codes returned by cfg80211_chandef_dfs_required() are ignored
when trying to join an IBSS. Fix this by printing an error and
returning.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We don't have to double check whether the parameters passed to
cfg80211_can_use_iftype_chan() are correct. We should just make sure
they *are* when we call this function.
Remove the radar_detect argument check in
cfg80211_can_use_iftype_chan() to simplify the code.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
[keep braces around a long comment + single statement]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since mesh support for DFS channels was added, we also need to check
for DFS channels when performing a channel switch with
NL80211_IFTYPE_MESHPOINT.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
[use switch statement, slight code cleanup]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Previously we were warning and using automatic when a driver sent an
update request with SMPS off. This patch makes it possible for
drivers to disable SMPS at runtime, for whatever reason.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add the ieee80211_iface_limit and the ieee80211_iface_combination
structures to docbook. Reformat the examples of combinations
slightly, so it looks a bit better on docbook.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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docbook (or one of its friends) gets confused with semi-colons in the
argument descriptions, causing it to think that the semi-colon is
marking a new section in the description of addr_mask in wiphy struct.
Prevent this by using hyphens instead of semi-colons in the mask
example.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Introduce NL80211_RRF_AUTO_BW rule flag. If this flag set
maximum available bandwidth should be calculated base on
contiguous rules and wider channels will be allowed to cross
multiple contiguous/overlapping frequency ranges.
In case of old kernels maximum bandwidth from regulatory
rule will be used, while there is no NL80211_RRF_AUTO_BW flag.
This fixes the previous commit 9752482083066af7ac18a5ca376f
("cfg80211: regulatory introduce maximum bandwidth calculation")
which was found to be a problem for userspace API compatibility.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
[edit commit log, use sizeof()]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In order to solve races with sched_scan_stop, it is necessary
for the driver to be able to return an error to propagate that
to cfg80211 so it doesn't send an event.
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Due to userspace assumptions, the sched_scan_stop operation must
be synchronous, i.e. once it returns a new scheduled scan must be
able to start immediately. Document this in the API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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While framing the TDLS Setup Confirmation frame, the driver needs to
know if the TDLS peer is VHT/HT/WMM capable and thus shall construct
the VHT/HT operation / WMM parameter elements accordingly. Supplicant
determines if the TDLS peer is VHT/HT/WMM capable based on the
presence of the respective IEs in the received TDLS Setup Response frame.
The host driver should not need to parse the received TDLS Response
frame and thus, should be able to rely on the supplicant to indicate
the capability of the peer through additional flags while transmitting
the TDLS Setup Confirmation frame through tdls_mgmt operations.
Signed-off-by: Sunil Dutt Undekari <usdutt@qti.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This has been removed in further work.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The dtim period sent to FW was 0 because the dtim period
was never set. This caused an incorrect dtim count to be sent in
beacons.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes problems seen with multiple softap clients and reconnecting
softap clients.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This is more line with the names of the other members
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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3680 has a few registers on other addresses.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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After fw caps exchange, print the FW's capabilities.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If wowlan if off mac80211 will stop / start the driver on suspend /
resume. This causes problems on resume since request_firmware is called
from start. Fix this by caching the nv.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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On some wcnss firmwares the start command can take up to 300ms to
complete. Currently there is a 200ms timeout for SMD command to
complete which causes the start to fail.
Increase the timeout to 500ms. Also improve debug information
regarding SMD command completion time.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* Response format is not in the canonical format.
wcn36xx_smd_rsp_status_check cannot be used.
* Save the FW caps in wcn36xx struct for later use.
Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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TI wl12xx/wl18xx cards support channel switch via a driver specific
switch_channel op while operating with channel contexts.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Enabling beacon filtering before receving a beacon
might result in not having a beacon at all for the
current connected AP, which prevents the station
from entering power-save.
Replace the current approach (of starting beacon
filtering on init) and configure beacon filering
only after bss_conf->dtimper is set (which means
mac80211 already parsed a beacon).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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dfs configuration command might take longer than
the current timeout. increase it to 5 seconds.
Signed-off-by: Yaniv Machani <yanivma@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Silently ignore repetitive scheduling of recovery work and commands
being passed to the bus when the HW is not available. This can happen
many times during recovery and slow it down. It also spams the kernel
logs.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Each AP has its own global and broadcast links, so when
checking for active sta count (according to the active_link_count)
we must take them all into account.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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mac80211 unsets the default wep key on disassoc.
The fw doesn't support this notification, so simply
ignore it.
The actual flow actually triggers fw recovery in some
cases, as mac80211 unsets the default key only after
disassoc, when wlvif->sta.hlid, resulting in invalid
hlid being passed to the fw.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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12xx chips allow only OFDM rates in AP mode for BT-Coex purposes. This
is no longer required in 18xx chips, starting with FW 8.6.0.0.8.
Update the min allowed FW version in 18xx to support this functionality.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Stopping sched scan on interface removal (during recovery)
is no longer needed, as sched scanning is automatically
restarted by mac80211.
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Send EAPOL frames with voice priority by setting (the new)
TX_HW_ATTR_EAPOL_FRAME bit in tx attribute.
Sending EAPOL with voice priority fixes re-key
timeout issues during heavy traffic.
Signed-off-by: Igal Chernobelsky <igalc@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Bump the min wl18xx fw version to 8.8.0.0.13
This fw is not backward compatible with older
firmware (due to api changes), so use bump
the firmware name as well.
Some modifications were done to the driver-fw api
in order to support multiple APs.
Additionally, some of the consts (such as max stations,
max links and max RX BA sessions) were changed.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Each hw supports a different iface combinations.
Define the supported combinations in each driver,
and save it in wl->iface_combinations.
Since each driver defines its own combinations now,
it can also define its max supported channels, so
we no longer need to save and set it explicitly
in wlcore.
Update wl18xx interface combinations to allow
multiple APs.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Each hw supports a different max stations (connected to the
same ap). add a new wl->max_ap_stations and use it instead
of the current common AP_MAX_STATIONS.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Upcoming fw versions will have different max links support
(according to the hw). Get ready for it by configuring
wl->num_links per-hw, instead of using the const WL12XX_MAX_LINKS.
However, continue using WLCORE_MAX_LINKS in order to simplify
structs declarations (we use it in multiple bitmaps, and converting
them to dynamic arrays is just cumbersome).
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of splitting the fw_status into 2 and using some
complex calculations, read the fw status and let each low-level
driver (wl12xx/wl18xx) convert it into a common struct.
This is required for the upcoming fw api changes, which
break the current logic anyway.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It seems the wl18xx FW sometimes sends spurious changes on the PSM state
of the broadcast HLID. This causes us to search for a station on a
non-peer link and fail, causing warnings in our log.
Prevent the driver from considering PSM changes for any non-peer HLIDs.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When the chip is in ELP mode read/write to FW is invalid and may cause
the lower layers to get stuck. The reads/writes concerning ELP wakeup
are the exception here and are checked for. In addition to blocking the
IO, produce a warning.
Signed-off-by: Barak Bercovitz <barak@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sometimes a tx_flush during suspend fails, but the FW manages to flush
out the packets during the time when the host is supsended. Cancel
the Tx-watchdog on suspend to not cause a spurious recovery on resume
for that case. Set a flag to reinit the watchdog on the first Tx after
resume, so we'll still recover if the FW is not empty and there's
indeed a problem.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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zero rx_filter_enabled array after recovery to avoid
cases were the driver will keep trying to clear a
filter which is not configured in FW.
Such case will cause consecutive recoveries due to
command execution failures.
While on it, convert rx_filter_enabled to bitmap,
to save some memory and make sparse happy (it
doesn't like sizeof(bool array)).
Signed-off-by: Nadim Zubidat <nadimz@ti.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use ieee80211_channel_to_frequency() to replace b43_channel_to_freq_{2,5}ghz(),
and remove unused b43_freq_to_channel_{2,5}ghz().
Signed-off-by: ZHAO Gang <gamerh2o@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
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There's no way the driver can pre-build the radiotap header,
so remove the comment stating that it can.
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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NAPI was originally added to mac80211 a long time ago (by John in
commit 4e6cbfd09c66 in July 2010), but then removed years later
(by Stanislaw in commit 30c97120c6c7 in February 2013). No driver
ever used it, so that was fine.
Now I'm adding support for NAPI to our driver, so add some code
to mac80211 again to support NAPI. John was originally wrapping
some (but not nearly all NAPI-related functions), but that doesn't
scale very well with the number of functions that are there, some
of which are even only inlines. Thus, instead of doing that, let
the drivers manage the NAPI struct, except for napi_add() which is
needed so mac80211 knows how to call napi_gro_receive().
Also remove some no longer needed definitions that were left when
NAPI support was removed.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Eyal Shapira <eyal@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This patch adds key material V2 support to mwifiex.
Newer FW supports this feature and FW KEY API version is used
to determine which command structure needs to be used.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds support to parse FW API version TLVs.
Currently only API version for key_material is supported.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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