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* cfg80211: basic support for PBSS network typeLior David2016-02-241-0/+8
| | | | | | | | | | | | | | | PBSS (Personal Basic Service Set) is a new BSS type for DMG networks. It is similar to infrastructure BSS, having an AP-like entity called PCP (PBSS Control Point), but it has few differences. PBSS support is mandatory for 11ad devices. Add support for PBSS by introducing a new PBSS flag attribute. The PBSS flag is used in the START_AP command to request starting a PCP instead of an AP, and in the CONNECT command to request connecting to a PCP instead of an AP. Signed-off-by: Lior David <liord@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Add support for aborting an ongoing scanVidyullatha Kanchanapally2015-12-041-0/+3
| | | | | | | | | | | | | | | Implement new functionality for aborting an ongoing scan. Add NL80211_CMD_ABORT_SCAN to the nl80211 interface. After aborting the scan, driver shall provide the scan status by calling cfg80211_scan_done(). 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> [change command to take wdev instead of netdev so that it can be used on p2p-device scans] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: replace ieee80211_ie_split() with an inlineJohannes Berg2015-12-041-2/+5
| | | | | | | | | The function is a very simple wrapper around another one, just adds a few default parameters, so replace it with a static inline instead of using EXPORT_SYMBOL, reducing the module size slightly. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211/mac80211: clarify RSSI CQM reporting requirementsJohannes Berg2015-11-031-0/+4
| | | | | | | | | | | | | | | The previous patch changed mac80211 to always report an event after a CQM RSSI reconfiguration. Document that as expected behaviour in both the cfg80211 and mac80211 API. Currently, iwlmvm already implements that behaviour; the other drivers implementing CQM RSSI events may have to be changed. This behaviour lets userspace know what the current state is without relying on querying the data which is racy. Reviewed-by: Sharon, Sara <sara.sharon@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Add multiple scan plans for scheduled scanAvraham Stern2015-10-131-2/+29
| | | | | | | | | | | | | | | | | | | | | | | Add the option to configure multiple 'scan plans' for scheduled scan. Each 'scan plan' defines the number of scan cycles and the interval between scans. The scan plans are executed in the order they were configured. The last scan plan will always run infinitely and thus defines only the interval between scans. The maximum number of scan plans supported by the device and the maximum number of iterations in a single scan plan are advertised to userspace so it can configure the scan plans appropriately. When scheduled scan results are received there is no way to know which scan plan is being currently executed, so there is no way to know when the next scan iteration will start. This is not a problem, however. The scan start timestamp is only used for flushing old scan results, and there is no difference between flushing all results received until the end of the previous iteration or the start of the current one, since no results will be received in between. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: allow BSS data to include CLOCK_BOOTTIME timestampDmitry Shmidt2015-10-131-19/+76
| | | | | | | | | | | | | | | | | | | 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>
* cfg80211: allow changing station capabilities for unassociated stationsAyala Beker2015-09-291-0/+3
| | | | | | | | | | | | | | | | Currently, cfg80211 rejects capability updates for existing entries and as a result it's impossible to update entries that were added unassociated, but that is necessary to go through the full station states from userspace, adding a station before authentication etc. Fix this by allowing updates to capabilities for stations that the driver (or mac80211) assigned unassociated state. Drivers setting the full station state support flag must use the new station type for proper operation. Signed-off-by: Ayala Beker <ayala.beker@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: support vendor dumpit commandsJohannes Berg2015-09-221-0/+9
| | | | | | | In order to transfer many items in vendor commands, support the dumpit netlink method for them. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge branch 'mac80211' into mac80211-nextJohannes Berg2015-07-171-0/+17
|\ | | | | | | | | | | | | This is necessary to merge the new TDLS and mesh patches, as they depend on some fixes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * cfg80211: use RTNL locked reg_can_beacon for IR-relaxationArik Nemtsov2015-07-171-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | The RTNL is required to check for IR-relaxation conditions that allow more channels to beacon. Export an RTNL locked version of reg_can_beacon and use it where possible in AP/STA interface type flows, where IR-relaxation may be applicable. Fixes: 06f207fc5418 ("cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STA") Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | cfg80211: allow mgmt_frame_register callback to sleepJohannes Berg2015-07-171-2/+1
|/ | | | | | | | | | | | | | | This callback is currently not allowed to sleep, which makes it more difficult to implement proper driver methods in mac80211 than it has to be. Instead of doing asynchronous work here in mac80211, make it possible for the callback to sleep by doing some asynchronous work in cfg80211. This also enables improvements to other drivers, like ath6kl, that would like to sleep in this callback. While at it, also fix the code to call the driver on the implicit unregistration when an interface is removed, and do that also when a P2P-Device wdev is destroyed (otherwise we leak the structs.) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: properly send NL80211_ATTR_DISCONNECTED_BY_AP in disconnectJohannes Berg2015-05-261-1/+3
| | | | | | | | | | | | | | | | | | | | When we disconnect from the AP, drivers call cfg80211_disconnect(). This doesn't know whether the disconnection was initiated locally or by the AP though, which can cause problems with the supplicant, for example with WPS. This issue obviously doesn't show up with any mac80211 based driver since mac80211 doesn't call this function. Fix this by requiring drivers to indicate whether the disconnect is locally generated or not. I've tried to update the drivers, but may not have gotten the values correct, and some drivers may currently not be able to report correct values. In case of doubt I left it at false, which is the current behaviour. For libertas, make adjustments as indicated by Dan Williams. Reported-by: Matthieu Mauger <matthieux.mauger@intel.com> Tested-by: Matthieu Mauger <matthieux.mauger@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STAArik Nemtsov2015-05-061-2/+2
| | | | | | | | | | | | | The GO_CONCURRENT regulatory definition can be extended to station interfaces requesting to IR as part of TDLS off-channel operations. Rename the GO_CONCURRENT flag to IR_CONCURRENT and allow the added use-case. Change internal users of GO_CONCURRENT to use the new definition. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: move IE split utilities here from mac80211Johannes Berg2015-04-071-0/+58
| | | | | | | As the next patch will require the IE splitting utility functions in cfg80211, move them there from mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* Merge tag 'mac80211-next-for-davem-2015-03-30' of ↵David S. Miller2015-03-311-6/+59
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== Lots of updates for net-next; along with the usual flurry of small fixes, cleanups and internal features we have: * VHT support for TDLS and IBSS (conditional on drivers though) * first TX performance improvements (the biggest will come later) * many suspend/resume (race) fixes * name_assign_type support from Tom Gundersen ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * cfg80211: pass name_assign_type to rdev_add_virtual_intf()Tom Gundersen2015-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This will expose in /sys whether the ifname of a device is set by userspace or generated by the kernel. The latter kind (wlanX, etc) is not deterministic, so userspace needs to rename these devices to names that are guaranteed to stay the same between reboots. The former, however should never be renamed, so userspace needs to be able to reliably tell the difference. Similar functionality was introduced for the rtnetlink core in commit 5517750f058e ("net: rtnetlink - make create_link take name_assign_type") Signed-off-by: Tom Gundersen <teg@jklm.no> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: Brett Rudley <brudley@broadcom.com> Cc: Arend van Spriel <arend@broadcom.com> Cc: Franky (Zhenhui) Lin <frankyl@broadcom.com> Cc: Hante Meuleman <meuleman@broadcom.com> Cc: Johannes Berg <johannes@sipsolutions.net> [reformat changelog to fit 72 cols] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * cfg/mac80211: add regulatory classes IE during TDLS setupArik Nemtsov2015-03-301-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Seems Broadcom TDLS peers (Nexus 5, Xperia Z3) refuse to allow TDLS connection when channel-switching is supported but the regulatory classes IE is missing from the setup request. Add a chandef to reg-class translation function to cfg80211 and use it to add the required IE during setup. For now add only the current regulatory class as supported - it is enough to resolve the compatibility issue. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * cfg80211: Allow NL80211_ATTR_IFINDEX to be added to vendor eventsAhmad Kholaif2015-03-031-4/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This modifies cfg80211_vendor_event_alloc() with an additional argument struct wireless_dev *wdev. __cfg80211_alloc_event_skb() is modified to take in *wdev argument, if wdev != NULL, both the NL80211_ATTR_IFINDEX and wdev identifier are added to the vendor event. These changes make it easier for drivers to add ifindex indication in vendor events cleanly. This also updates all existing users of cfg80211_vendor_event_alloc() and __cfg80211_alloc_event_skb() in the kernel tree. Signed-off-by: Ahmad Kholaif <akholaif@qca.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| * cfg80211: add bss_type and privacy arguments in cfg80211_get_bss()Dedy Lansky2015-03-031-2/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 802.11ad adds new a network type (PBSS) and changes the capability field interpretation for the DMG (60G) band. The same 2 bits that were interpreted as "ESS" and "IBSS" before are re-used as a 2-bit field with 3 valid values (and 1 reserved). Valid values are: "IBSS", "PBSS" (new) and "AP". In order to get the BSS struct for the new PBSS networks, change the cfg80211_get_bss() function to take a new enum ieee80211_bss_type argument with the valid network types, as "capa_mask" and "capa_val" no longer work correctly (the search must be band-aware now.) The remaining bits in "capa_mask" and "capa_val" are used only for privacy matching so replace those two with a privacy enum as well. Signed-off-by: Dedy Lansky <dlansky@codeaurora.org> [rewrite commit log, tiny fixes] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* | net: Introduce possible_net_tEric W. Biederman2015-03-121-3/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Having to say > #ifdef CONFIG_NET_NS > struct net *net; > #endif in structures is a little bit wordy and a little bit error prone. Instead it is possible to say: > typedef struct { > #ifdef CONFIG_NET_NS > struct net *net; > #endif > } possible_net_t; And then in a header say: > possible_net_t net; Which is cleaner and easier to use and easier to test, as the possible_net_t is always there no matter what the compile options. Further this allows read_pnet and write_pnet to be functions in all cases which is better at catching typos. This change adds possible_net_t, updates the definitions of read_pnet and write_pnet, updates optional struct net * variables that write_pnet uses on to have the type possible_net_t, and finally fixes up the b0rked users of read_pnet and write_pnet. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* nl80211: add an attribute to allow delaying the first scheduled scan cycleLuciano Coelho2015-01-231-0/+5
| | | | | | | | | | The userspace may want to delay the the first scheduled scan or net-detect cycle. Add an optional attribute to the scheduled scan configuration to pass the delay to be (optionally) used by the driver. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> [add the attribute to the policy to validate it] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: change bandwidth reporting to explicit fieldJohannes Berg2015-01-151-8/+25
| | | | | | | | | | | | | | | | | | For some reason, we made the bandwidth separate flags, which is rather confusing - a single rate cannot have different bandwidths at the same time. Change this to no longer be flags but use a separate field for the bandwidth ('bw') instead. While at it, add support for 5 and 10 MHz rates - these are reported as regular legacy rates with their real bitrate, but tagged as 5/10 now to make it easier to distinguish them. In the nl80211 API, the flags are preserved, but the code now can also clearly only set a single one of the flags. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: remove 80+80 MHz rate reportingJohannes Berg2015-01-151-5/+3
| | | | | | | | | | | These rates are treated the same as 160 MHz in the spec, so it makes no sense to distinguish them. As no driver uses them yet, this is also not a problem, just remove them. In the userspace API the field remains reserved to preserve API and ABI. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: introduce sync regdom set API for self-managedArik Nemtsov2015-01-141-0/+14
| | | | | | | | | | | A self-managed device will sometimes need to set its regdomain synchronously. Notably it should be set before usermode has a chance to query it. Expose a new API to accomplish this which requires the RTNL. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Ilan Peer <ilan.peer@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: support per-TID station statisticsJohannes Berg2015-01-081-0/+21
| | | | | | | | | | | | | | | | | The base for the current statistics is pretty mixed up, support exporting RX/TX statistics for MSDUs per TID. This (currently) covers received MSDUs, transmitted MSDUs and retries/failures thereof. Doing it per TID for MSDUs makes more sense than say only per AC because it's symmetric - we could export per-AC statistics for all frames (which AC we used for transmission can be determined also for management frames) but per TID is better and usually data frames are really the ones we care about. Also, on RX we can't determine the AC - but we do know the TID for any QoS MPDU we received. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: clarify packet statistics descriptionsJohannes Berg2015-01-081-6/+6
| | | | | | | | The current statistics we keep aren't very clear, some are on MPDUs and some on MSDUs/MMPDUs. Clarify the descriptions based on the counters mac80211 keeps. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add nl80211 beacon-only statisticsJohannes Berg2015-01-081-0/+6
| | | | | | | | | | Add these two values: * BEACON_RX: number of beacons received from this peer * BEACON_SIGNAL_AVG: signal strength average for beacons only These can then be used for Android Lollipop's statistics request. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: remove enum station_info_flagsJohannes Berg2015-01-081-75/+2
| | | | | | | | | | | | | | This is really just duplicating the list of information that's already available in the nl80211 attribute, so remove the list. Two small changes are needed: * remove STATION_INFO_ASSOC_REQ_IES complete, but the length (assoc_req_ies_len) can be used instead * add NL80211_STA_INFO_RX_DROP_MISC which exists internally but not in nl80211 yet This gets rid of the duplicate maintenance of the two lists. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow including station info in delete eventJohannes Berg2015-01-081-1/+15
| | | | | | | | | | | | | When a station is removed, its statistics may be interesting to userspace, for example for further aggregation of statistics of all stations that ever connected to an AP. Introduce a new cfg80211_del_sta_sinfo() function (and make the cfg80211_del_sta() a static inline calling it) to allow passing a struct station_info along with this, and send the data in the nl80211 event message. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add scan time to survey dataJohannes Berg2015-01-081-0/+4
| | | | | | | Add the time spent scanning to the survey data so it can be reported by drivers that collect such information. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow survey data to return global dataJohannes Berg2015-01-081-1/+2
| | | | | | | | | Not all devices are able to report survey data (particularly time spent for various operations) per channel. As all these statistics already exist in survey data, allow such devices to report them (if userspace requested it) Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: remove "channel" from survey namesJohannes Berg2015-01-081-22/+22
| | | | | | | | | All of the survey data is (currently) per channel anyway, so having the word "channel" in the name does nothing. In the next patch I'll introduce global data to the survey, where the word "channel" is actually confusing. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add extensible feature flag attributeGautam Kumar Shukla2015-01-061-0/+39
| | | | | | | | | | | | With the wiphy::features flag being used up this patch adds a new field wiphy::ext_features. Considering extensibility this new field is declared as a byte array. This extensible flag is exposed to user-space by NL80211_ATTR_EXT_FEATURES. Cc: Avinash Patil <patila@marvell.com> Signed-off-by: Gautam (Gautam Kumar) Shukla <gautams@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: Stop scheduled scan if netlink client disappearsJukka Rissanen2014-12-181-0/+3
| | | | | | | | | An attribute NL80211_ATTR_SOCKET_OWNER can be set by the scan initiator. If present, the attribute will cause the scan to be stopped if the client dies. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211: Convert sched_scan_req pointer to RCU pointerJukka Rissanen2014-12-181-0/+2
| | | | | | | | Because of possible races when accessing sched_scan_req pointer in rdev, the sched_scan_req is converted to RCU pointer. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow wiphy specific regdomain managementJonathan Doron2014-12-171-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new regulatory flag that allows a driver to manage regdomain changes/updates for its own wiphy. A self-managed wiphys only employs regulatory information obtained from the FW and driver and does not use other cfg80211 sources like beacon-hints, country-code IEs and hints from other devices on the same system. Conversely, a self-managed wiphy does not share its regulatory hints with other devices in the system. If a system contains several devices, one or more of which are self-managed, there might be contradictory regulatory settings between them. Usage of flag is generally discouraged. Only use it if the FW/driver is incompatible with non-locally originated hints. A new API lets the driver send a complete regdomain, to be applied on its wiphy only. After a wiphy-specific regdomain change takes place, usermode will get a new type of change notification. The regulatory core also takes care enforce regulatory restrictions, in case some interfaces are on forbidden channels. Signed-off-by: Jonathan Doron <jonathanx.doron@intel.com> Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: clean up beacon loss CQM eventJohannes Berg2014-11-261-0/+9
| | | | | | | | | | Having it as a sub-event for RSSI thresholds is very ugly, but luckily no userspace actually uses the events yet. Move the event to its own function call internally and to its own event attribute in nl80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: refactor the various CQM event sending codeJohannes Berg2014-11-261-27/+27
| | | | | | | | | Much of the code can be shared by moving it into helper functions for the CQM event sending. Also move the code closer together, even in the header file. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow drivers to support random MAC addresses for scanJohannes Berg2014-11-191-0/+25
| | | | | | | | | | | | | | Add the necessary feature flags and a scan flag to support using random MAC addresses for scan while unassociated. The configuration for this supports an arbitrary MAC address value and mask, so that any kind of configuration (e.g. fixed OUI or full 46-bit random) can be requested. Full 46-bit random is the default when no other configuration is passed. Also add a small helper function to use the addr/mask correctly. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add wowlan net-detect supportLuciano Coelho2014-11-191-0/+41
| | | | | | | | | | | | | | Add a new WoWLAN API to enable net-detect as a wake up trigger. Net-detect allows the device to scan in the background while the host is asleep to wake up the host system when a matching network is found. Reuse the scheduled scan attributes to specify how the scan is performed while suspended and the matches that will trigger a wake event. Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: introduce TDLS channel switch commandsArik Nemtsov2014-11-191-0/+14
| | | | | | | | | | | | | Introduce commands to initiate and cancel TDLS channel-switching. Once TDLS channel-switching is started, the lower level driver is responsible for continually initiating channel-switch operations and returning to the base (AP) channel to listen for beacons from time to time. Upon cancellation of the channel-switch all communication between the relevant TDLS peers will continue on the base channel. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add channel switch started notificationLuciano Coelho2014-11-101-0/+14
| | | | | | | | | | | | | | | | Add a new NL80211_CH_SWITCH_STARTED_NOTIFY message that can be sent to the userspace when a channel switch process has started. This allows userspace to take action, for instance, by requesting other interfaces to switch channel as necessary. This patch introduces a function that allows the drivers to send this notification. It should be used when the driver starts processing a channel switch initiated by a remote device (eg. when a STA receives a CSA from the AP) and when it successfully starts a userspace-triggered channel switch (eg. when hostapd triggers a channel swith in the AP). Signed-off-by: Luciano Coelho <luciano.coelho@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: 802.11p OCB mode handlingRostislav Lisovy2014-11-041-0/+19
| | | | | | | | | | | | | | | | | This patch adds new iface type (NL80211_IFTYPE_OCB) representing the OCB (Outside the Context of a BSS) mode. When establishing a connection to the network a cfg80211_join_ocb function is called (particular nl80211_command is added as well). A mandatory parameters during the ocb_join operation are 'center frequency' and 'channel width (5/10 MHz)'. Changes done in mac80211 are minimal possible required to avoid many warnings (warning: enumeration value 'NL80211_IFTYPE_OCB' not handled in switch) during compilation. Full functionality (where needed) is added in the following patch. Signed-off-by: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: support configuring vif mac addr on createBen Greear2014-10-271-3/+6
| | | | | | | | | | | This is useful when creating virtual interfaces. Keeps udev from mucking with things it shouldn't, since the default MAC is never seen by udev when specified on the cmd-line during creation. Signed-off-by: Ben Greear <greearb@candelatech.com> [check for feature flag in nl80211 to force drivers to set it] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: support creating wiphy with suggested nameBen Greear2014-10-271-1/+22
| | | | | | | | | | | Kernel will attempt to use the name if it is supplied, but if name cannot be used for some reason, the default phyX name will be used instead. Signed-off-by: Ben Greear <greearb@candelatech.com> [while at it, use wiphy_name() instead of dev_name(), fix format string issue reported by Kees Cook] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: make WMM TSPEC support flag an nl80211 feature flagJohannes Berg2014-10-221-5/+1
| | | | | | | | | | | | | | | | | During the review of the corresponding wpa_supplicant patches we noticed that the only way for it to detect that this functionality is supported currently is to check for the command support. This can be misleading though, as the command was also designed to, in the future, support pure 802.11 TSPECs. Expose the WMM-TSPEC feature flag to nl80211 so later we can also expose an 802.11-TSPEC feature flag (if needed) to differentiate the two cases. Note: this change isn't needed in 3.18 as there's no driver there yet that supports the functionality at all. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Specify frame and reason code for NL80211_CMD_DEL_STATIONJouni Malinen2014-10-201-0/+5
| | | | | | | | | | | | The optional NL80211_ATTR_MGMT_SUBTYPE and NL80211_ATTR_REASON_CODE attributes can now be included in NL80211_CMD_DEL_STATION to indicate to the driver which frame (Deauthentication/Disassociation) and reason code in that frame should be used to indicate removal to the specific station. This is used by drivers that implement AP SME and generate those frames internally. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Convert del_station() callback to use a param structJouni Malinen2014-10-201-2/+13
| | | | | | | | This makes it easier to add new parameters for the del_station calls without having to modify all drivers that use this. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add ops to query mesh proxy path tableHenning Rogge2014-10-091-0/+7
| | | | | | | | Add two new cfg80211 operations for querying a table with proxied mesh paths. Signed-off-by: Henning Rogge <henning.rogge@fkie.fraunhofer.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: allow requesting SMPS mode on ap startEliad Peller2014-09-111-0/+2
| | | | | | | | | | | | | | | Add feature bits to indicate device support for static-smps and dynamic-smps modes. Add a new NL80211_ATTR_SMPS_MODE attribue to allow configuring the smps mode to be used by the ap (e.g. configuring to ap to dynamic smps mode will reduce power consumption while having minor effect on throughput) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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