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2016-05-31cfg80211: Allow cfg80211_connect_result() errors to be distinguishedJouni Malinen1-0/+1
Previously, the status parameter to cfg80211_connect_result() was documented as using WLAN_STATUS_UNSPECIFIED_FAILURE (1) when the real status code for the failure is not known. This value can be used by an AP (and often is) and as such, user space cannot distinguish between explicitly rejected authentication/association and not being able to even try to associate or not receiving a response from the AP. Add a new inline function, cfg80211_connect_timeout(), to be used when the driver knows that the connection attempt failed due to a reason where connection could not be attempt or no response was received from the AP. The internal functions now allow a negative status value (-1) to be used as an indication of this special case. This results in the NL80211_ATTR_TIMED_OUT to be added to the NL80211_CMD_CONNECT event to allow user space to determine this case was hit. For backwards compatibility, NL80211_STATUS_CODE with the value WLAN_STATUS_UNSPECIFIED_FAILURE is still indicated in the event in such a case. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> [johannes: fix cfg80211_connect_bss() prototype to use int for status, add cfg80211_connect_timeout() to docbook, fix docbook] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-26cfg80211: Add option to report the bss entry in connect resultKanchanapally, Vidyullatha1-0/+1
Since cfg80211 maintains separate BSS table entries for APs if the same BSSID, SSID pair is seen on multiple channels, it is possible that it can map the current_bss to a BSS entry on the wrong channel. This current_bss will not get flushed unless disconnected and cfg80211 reports a wrong channel as the associated channel. Fix this by introducing a new cfg80211_connect_bss() function which is similar to cfg80211_connect_result(), but it includes an additional parameter: the bss the STA is connected to. This allows drivers to provide the exact bss entry that matches the BSS to which the connection was completed. Reviewed-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Vidyullatha Kanchanapally <vkanchan@qti.qualcomm.com> Signed-off-by: Sunil Dutt <usdutt@qti.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2016-04-12cfg80211: remove enum ieee80211_bandJohannes Berg1-1/+0
This enum is already perfectly aliased to enum nl80211_band, and the only reason for it is that we get IEEE80211_NUM_BANDS out of it. There's no really good reason to not declare the number of bands in nl80211 though, so do that and remove the cfg80211 one. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-10-13nl80211: allow BSS data to include CLOCK_BOOTTIME timestampDmitry Shmidt1-2/+3
For location and connectivity services, userspace would often like to know the time when the BSS was last seen. The current "last seen" value is calculated in a way that makes it less useful, especially if the system suspended in the meantime. Add the ability for the driver to report a real CLOCK_BOOTTIME stamp that can then be reported to userspace (if present). Drivers wishing to use this must be converted to the new API to call cfg80211_inform_bss_data() or cfg80211_inform_bss_frame_data(). They need to ensure the reported value is accurate enough even when the frame might have been buffered in the device (e.g. firmware.) Signed-off-by: Dmitry Shmidt <dimitrysh@google.com> [modified to use struct, inlines] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-01-28wireless: docs: fix 'make pdfdocs' failureSharon Dvir1-2/+2
'make pdfdocs' failed for 80211.tmpl and reported errors of the form: 'document type does not allow element "refentry" here' Fix this by moving </section> tags to a location that makes sense, this fixes the errors and the pdf looks OK in relevant areas. Signed-off-by: Sharon Dvir <sharon.dvir1@mail.huji.ac.il> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2015-01-14cfg80211: docs: remove station_info_flagsJohannes Berg1-1/+0
I removed the enum earlier, but forgot to remove it from the documentation - do that now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-04-09cfg80211: refactor cfg80211_can_use_iftype_chan()Luciano Coelho1-0/+1
Separate the code that counts the interface types and channels from the code that check the interface combinations. The new function that checks for combinations is exported so it can be called by the drivers. This is done in preparation for moving the interface combinations checks out of cfg80211. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-02-21cfg80211: docbook: add interface combinations documentationLuciano Coelho1-0/+2
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>
2013-10-28cfg80211: fix docbook referencesJohannes Berg1-2/+2
Two functions were changed but their references weren't updated in the docbook template, propagate the change. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-08-12mac80211: add control port protocol TX control flagJohannes Berg1-0/+1
A lot of drivers check the frame protocol for ETH_P_PAE, for various reasons (like making those more reliable). Add a new flags bitmap to the TX control info and a new flag indicating the control port protocol is in use to let all drivers also apply such logic to other control port protocols, should they be configured. Also use the new flag in the iwlwifi drivers. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-06-05wireless: fix kernel-docJohannes Berg1-6/+5
Some kernel-doc fixes for forgotten fields and renamed things. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-05-25cfg80211/mac80211: use cfg80211 wdev mutex in mac80211Johannes Berg1-2/+0
Using separate locks in cfg80211 and mac80211 has always caused issues, for example having to unlock in places in mac80211 to call cfg80211, which even needed a framework to make cfg80211 calls after some functions returned etc. Additionally, I suspect some issues people have reported with the cfg80211 state getting confused could be due to such issues, when cfg80211 is asking mac80211 to change state but mac80211 is in the process of telling cfg80211 that the state changed (in another way.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-03-07mac80211: provide ieee80211_sta_eosp()Johannes Berg1-1/+1
The irqsafe version ieee80211_sta_eosp_irqsafe() exists, but drivers must not mix calls to any irqsafe/non-irqsafe function. Both ath9k and iwlwifi, the likely first users of this interface, use non-irqsafe RX/TX/TX status so must also use a non-irqsafe version of this function. Since no driver uses the _irqsafe() version, remove that. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-02-18cfg80211: add correct docbook entriesJohannes Berg1-2/+2
Update the 802.11 book to list the correct data structures. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-07-09mac80211: remove ieee80211_key_removedJohannes Berg1-1/+0
This API call was intended to be used by drivers if they want to optimize key handling by removing one key when another is added. Remove it since no driver is using it. If needed, it can always be added back. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-04-10mac80211: notify driver of rate control updatesJohannes Berg1-1/+1
Devices that have internal rate control need to be notified when the bandwidth or SMPS state changes just like external rate control algorithms get a notification now. Add this notification and clarify the change bits while at it, the HT_CHANGED bit really meant only bandwidth changed. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-02-06cfg80211: stop tracking authenticated stateJohannes Berg1-1/+0
To track authenticated state seems to have been a design mistake in cfg80211. It is possible to have out of band authentication (FT), tracking multiple authentications caused more problems than it ever helped, and the implementation in mac80211 is too complex. Remove all this complexity, and let userspace do whatever it wants to, mac80211 can deal with that just fine. Association is still tracked of course, but authentication no longer is. Local auth state changes are thus no longer of value, so ignore them completely. This will also help implement SAE -- asking the driver to do an authentication is now almost equivalent to sending an authentication frame, with the exception of shared key authentication which is still handled completely. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-09-30mac80211: document client powersaveJohannes Berg1-1/+10
With the addition of uAPSD and driver buffering the powersave handling has gotten quite complex. Add a section to the documentation to explain it for anyone wanting to implement it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-07-11mac80211: fix docbookJohannes Berg1-2/+3
I changed the TKIP key functions, but forgot to update the documentation includes, fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-01-10mac80211: add doc short section on LED triggersJohannes Berg1-4/+17
Just create a section to collect the LED trigger functions and add a very short description as to what drivers should do. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: publish SMPS docsJohannes Berg1-0/+7
Create a new chapter about SMPS in the driver API part of the mac80211 book and populate it with the existing docs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: document station handlingJohannes Berg1-0/+10
Add some existing documentation about station handling to a new chapter about advanced APIs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: publish interface iteration docsJohannes Berg1-0/+2
Publish the documentation for the interface iteration functions in the right section of the book. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: document aggregationJohannes Berg1-0/+22
Include the aggregation documentation in the docbook, split up by public and internal docs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: publish some rate control docsJohannes Berg1-2/+9
Add an API chapter to the rate control part of the mac80211 book and populate it with some existing documentation. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: publish some misc docsJohannes Berg1-0/+8
There isn't a clear TX documentation yet, so put these into the misc section for now. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: publish docs for _ni functionsJohannes Berg1-0/+2
Put them along with their "regular" versions for now, we should write more docs in the future. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02mac80211: document workqueueJohannes Berg1-0/+7
Create a new chapter for the mac80211 workqueue that contains the documentation written for it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-12-02cfg80211: include CQM packet loss docsJohannes Berg1-0/+1
Just include them in the list of functions, there aren't any more detailed docs (yet). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-27cfg80211 docbook: remove erronous !AJohannes Berg1-1/+0
My previous patch erroneously included an !A line (for some checking I am working on) that isn't yet supported by the docbook tools, so remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-24cfg80211: add some documentationJohannes Berg1-5/+131
Add some documentation for cfg80211. I'm hoping some of the regulatory documentation will be filled by somebody more familiar with it, hint hint! :) Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-24mac80211: fix docbookJohannes Berg1-1/+0
Fix a small problem in the documentation for ieee80211_request_smps, and a now erroneous inclusion of enum ieee80211_key_alg, which no longer exists after the change to ciphers. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-24wireless: move documentation booksJohannes Berg1-0/+371
This moves mac80211 documentation into a new 802.11 bookset and also adds a cfg80211 book to the set. All of this is rather incomplete, but it's easier to work with big code moving as a separate patch. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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