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* cfg80211: pass name_assign_type to rdev_add_virtual_intf()Tom Gundersen2015-03-301-2/+3
| | | | | | | | | | | | | | | | | | | | | | 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>
* cfg80211: introduce TDLS channel switch commandsArik Nemtsov2014-11-191-0/+24
| | | | | | | | | | | | | 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: 802.11p OCB mode handlingRostislav Lisovy2014-11-041-0/+21
| | | | | | | | | | | | | | | | | 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: Convert del_station() callback to use a param structJouni Malinen2014-10-201-3/+4
| | | | | | | | 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 Rogge2014-10-091-1/+26
| | | | | | | | 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: add WMM traffic stream APIJohannes Berg2014-09-111-0/+31
| | | | | | | | | | | | | Add nl80211 and driver API to validate, add and delete traffic streams with appropriate settings. The API calls for userspace doing the action frame handshake with the peer, and then allows only to set up the parameters in the driver. To avoid setting up a session only to tear it down again, the validate API is provided, but the real usage later can still fail so userspace must be prepared for that. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: pass TDLS initiator in tdls_mgmt operationsArik Nemtsov2014-06-231-3/+3
| | | | | | | | | | The TDLS initiator is set once during link setup. If determines the address ordering in the link identifier IE. Fix dependent drivers - mwifiex and mac80211. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: make ethtool the driver's responsibilityJohannes Berg2014-06-231-48/+0
| | | | | | | | | | | | | Currently, cfg80211 tries to implement ethtool, but that doesn't really scale well, with all the different operations. Make the lower-level driver responsible for it, which currently only has an effect on mac80211. It will similarly not scale well at that level though, since mac80211 also has many drivers. To cleanly implement this in mac80211, introduce a new file and move some code to appropriate places. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: implement cfg80211_get_station cfg80211 APIAntonio Quartulli2014-05-211-1/+1
| | | | | | | | | | | | Implement and export the new cfg80211_get_station() API. This utility can be used by other kernel modules to obtain detailed information about a given wireless station. It will be in particular useful to batman-adv which will implement a wireless rate based metric. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Dynamic channel bandwidth changes in AP modeJouni Malinen2014-04-281-0/+13
| | | | | | | | | | This extends NL80211_CMD_SET_CHANNEL to allow dynamic channel bandwidth changes in AP mode (including P2P GO) during a lifetime of the BSS. This can be used to implement, e.g., HT 20/40 MHz co-existence rules on the 2.4 GHz band. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Pass TDLS peer capability information in tdls_mgmtSunil Dutt Undekari2014-02-201-3/+6
| | | | | | | | | | | | | | | | 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>
* cfg80211: Add support for QoS mappingKyeyoon Park2013-12-191-0/+15
| | | | | | | | | | | | | | | | | This allows QoS mapping from external networks to be implemented as defined in IEEE Std 802.11-2012, 10.24.9. APs can use this to advertise DSCP ranges and exceptions for mapping frames to a specific UP over Wi-Fi. The payload of the QoS Map Set element (IEEE Std 802.11-2012, 8.4.2.97) is sent to the driver through the new NL80211_ATTR_QOS_MAP attribute to configure the local behavior either on the AP (based on local configuration) or on a station (based on information received from the AP). Signed-off-by: Kyeyoon Park <kyeyoonp@qca.qualcomm.com> Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: aggregate mgmt_tx parameters into a structAndrei Otcheretianski2013-12-021-8/+4
| | | | | | | | | | | Change cfg80211 and mac80211 to use cfg80211_mgmt_tx_params struct to aggregate parameters for mgmt_tx functions. This makes the functions' signatures less clumsy and allows less painful parameters extension. Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com> [fix all other drivers] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add wdev to testmode cmdDavid Spinadel2013-08-121-2/+3
| | | | | | | | | To allow drivers to implement per-interface testmode operations more easily, pass a wdev pointer if any identification for one was given from userspace. Clean up the code a bit while at it. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* nl80211/cfg80211: add channel switch commandSimon Wunderlich2013-08-011-0/+12
| | | | | | | | | | To allow channel switch announcements within beacons, add the channel switch command to nl80211/cfg80211. This is implementation is intended for AP and (later) IBSS mode. Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: introduce critical protocol indication from user-spaceArend van Spriel2013-04-221-1/+23
| | | | | | | | | | | | | | | | | | | | | | | Some protocols need a more reliable connection to complete successful in reasonable time. This patch adds a user-space API to indicate the wireless driver that a critical protocol is about to commence and when it is done, using nl80211 primitives NL80211_CMD_CRIT_PROTOCOL_START and NL80211_CRIT_PROTOCOL_STOP. There can be only on critical protocol session started per registered cfg80211 device. The driver can support this by implementing the cfg80211 callbacks .crit_proto_start() and .crit_proto_stop(). Examples of protocols that can benefit from this are DHCP, EAPOL, APIPA. Exactly how the link can/should be made more reliable is up to the driver. Things to consider are avoid scanning, no multi-channel operations, and alter coexistence schemes. Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211/mac80211: disconnect on suspendStanislaw Gruszka2013-03-061-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If possible that after suspend, cfg80211 will receive request to disconnect what require action on interface that was removed during suspend. Problem can manifest itself by various warnings similar to below one: WARNING: at net/mac80211/driver-ops.h:12 ieee80211_bss_info_change_notify+0x2f9/0x300 [mac80211]() wlan0: Failed check-sdata-in-driver check, flags: 0x4 Call Trace: [<c043e0b3>] warn_slowpath_fmt+0x33/0x40 [<f83707c9>] ieee80211_bss_info_change_notify+0x2f9/0x300 [mac80211] [<f83a660a>] ieee80211_recalc_ps_vif+0x2a/0x30 [mac80211] [<f83a6706>] ieee80211_set_disassoc+0xf6/0x500 [mac80211] [<f83a9441>] ieee80211_mgd_deauth+0x1f1/0x280 [mac80211] [<f8381b36>] ieee80211_deauth+0x16/0x20 [mac80211] [<f8261e70>] cfg80211_mlme_down+0x70/0xc0 [cfg80211] [<f8264de1>] __cfg80211_disconnect+0x1b1/0x1d0 [cfg80211] To fix the problem disconnect from any associated network before suspend. User space is responsible to establish connection again after resume. This basically need to be done by user space anyway, because associated stations can go away during suspend (for example NetworkManager disconnects on suspend and connect on resume by default). Patch also handle situation when driver refuse to suspend with wowlan configured and try to suspend again without it. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: Extend support for IEEE 802.11r Fast BSS TransitionJouni Malinen2013-03-061-0/+13
| | | | | | | | | | | | | Add NL80211_CMD_UPDATE_FT_IES to support update of FT IEs to the WLAN driver and NL80211_CMD_FT_EVENT to send FT events from the WLAN driver. This will carry the target AP's MAC address along with the relevant Information Elements. This event is used to report received FT IEs (MDIE, FTIE, RSN IE, TIE, RICIE). These changes allow FT to be supported with drivers that use an internal SME instead of user space option (like FT implementation in wpa_supplicant with mac80211-based drivers). Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211/nl80211: add API for MAC address ACLsVasanthakumar Thiagarajan2013-01-251-0/+12
| | | | | | | | | | | | | | | | Add API to enable drivers to implement MAC address based access control in AP/P2P GO mode. Capable drivers advertise this capability by setting the maximum number of MAC addresses in such a list in wiphy->max_acl_mac_addrs. An initial ACL may be given to the NL80211_CMD_START_AP command and/or changed later with NL80211_CMD_SET_MAC_ACL. Black- and whitelists are supported, but not simultaneously. Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com> [rewrite commit log, many cleanups] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: pass a channel definition structJohannes Berg2012-11-261-10/+12
| | | | | | | | | | | | | | 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>
* cfg80211: remove remain-on-channel channel typeJohannes Berg2012-11-261-12/+8
| | | | | | | | | | | | | | | | | 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>
* cfg80211: allow per interface TX power settingJohannes Berg2012-10-301-5/+6
| | | | | | | | | | | | | | The TX power setting is currently per wiphy (hardware device) but with multi-channel capabilities that doesn't make much sense any more. Allow drivers (and mac80211) to advertise support for per-interface TX power configuration. When the TX power is configured for the wiphy, the wdev will be NULL and the driver can still handle that, but when a wdev is given the TX power can be set only for that wdev now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add tracing for P2P Device start/stopJohannes Berg2012-10-231-0/+18
| | | | | | | | These were missed due to the tracing work having started on a kernel that didn't have P2P Device yet, implement them now. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add tracing to rdev-opsBeni Lev2012-10-181-78/+381
| | | | | | | | | | | | | Add tracing to make debugging cfg80211/mac80211 (or full-mac driver) interaction easier. Signed-off-by: Beni Lev <beni.lev@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Reviewed-by: Hila Gonen <hila.gonen@intel.com> Tested-by: Hila Gonen <hila.gonen@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> [add a cast to int to sizeof() to avoid warning] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
* cfg80211: add wrappers for registered_device_opsHila Gonen2012-10-181-0/+558
This will allow adding central tracing like in mac80211. Signed-off-by: Hila Gonen <hila.gonen@intel.com> Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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