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path: root/include/net/cfg80211.h
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2022-05-22net: wrap the wireless pointers in struct net_device in an ifdefJakub Kicinski1-0/+2
Most protocol-specific pointers in struct net_device are under a respective ifdef. Wireless is the notable exception. Since there's a sizable number of custom-built kernels for datacenter workloads which don't build wireless it seems reasonable to ifdefy those pointers as well. While at it move IPv4 and IPv6 pointers up, those are special for obvious reasons. Acked-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> # ieee802154 Acked-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-05-17cfg80211: fix kernel-doc for cfg80211_beacon_dataJohannes Berg1-1/+1
The kernel-doc comment is formatted badly, resulting in a warning: include/net/cfg80211.h:1188: warning: bad line: [...] Fix that. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-16nl80211: Parse NL80211_ATTR_HE_BSS_COLOR as a part of nl80211_parse_beaconRameshkumar Sundaram1-2/+5
NL80211_ATTR_HE_BSS_COLOR attribute can be included in both NL80211_CMD_START_AP and NL80211_CMD_SET_BEACON commands. Move he_bss_color from cfg80211_ap_settings to cfg80211_beacon_data and parse NL80211_ATTR_HE_BSS_COLOR as a part of nl80211_parse_beacon() to have bss color settings parsed for both start ap and set beacon commands. Add a new flag he_bss_color_valid to indicate whether NL80211_ATTR_HE_BSS_COLOR attribute is included. Signed-off-by: Rameshkumar Sundaram <quic_ramess@quicinc.com> Link: https://lore.kernel.org/r/1649867295-7204-2-git-send-email-quic_ramess@quicinc.com [fix build ...] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-04cfg80211: support disabling EHT modeMuna Sinada1-0/+2
Allow userspace to disable EHT mode during association. Signed-off-by: Muna Sinada <quic_msinada@quicinc.com> Signed-off-by: Aloka Dixit <quic_alokad@quicinc.com> Link: https://lore.kernel.org/r/20220323224636.20211-1-quic_alokad@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-05-04cfg80211: remove cfg80211_get_chan_state()Johannes Berg1-5/+0
We haven't used this function for years, since commit c781944b71f8 ("cfg80211: Remove unused cfg80211_can_use_iftype_chan()") which itself removed a function unused since commit 97dc94f1d933 ("cfg80211: remove channel_switch combination check"), almost eight years ago. Also remove the now unused enum cfg80211_chan_mode and some struct members that were only used for this function. Link: https://lore.kernel.org/r/20220412220958.1a191dca19d7.Ide4448f02d0e2f1ca2992971421ffc1933a5370a@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-16cfg80211: Support configuration of station EHT capabilitiesIlan Peer1-0/+4
Add attributes and some code bits to support userspace passing in EHT capabilities of stations. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Link: https://lore.kernel.org/r/20220214173004.ecf0b3ff9627.Icb4a5f2ec7b41d9008ac4cfc16c59baeb84793d3@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-16cfg80211: add NO-EHT flag to regulatoryIlan Peer1-0/+2
This may be necessary in some cases, add a flag and propagate it, just like the NO-HE that already exists. Signed-off-by: Ilan Peer <ilan.peer@intel.com> [split off from a combined 320/no-EHT patch] Link: https://lore.kernel.org/r/20220214173004.dbb85a7b86bb.Ifc1e2daac51c1cc5f895ccfb79faf5eaec3950ec@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-16nl80211: add EHT MCS supportVeerendranath Jakkam1-0/+11
Add support for reporting and calculating EHT bitrates. Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Link: https://lore.kernel.org/r/1640163883-12696-7-git-send-email-quic_vjakkam@quicinc.com Link: https://lore.kernel.org/r/20220214163009.175289-2-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-16cfg80211: Add support for EHT 320 MHz channel widthJia Ding1-1/+6
Add 320 MHz support in the channel def and center frequency validation with compatible check. Signed-off-by: Jia Ding <quic_jiad@quicinc.com> Co-authored-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com> Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com> Co-authored-by: Muna Sinada <quic_msinada@quicinc.com> Signed-off-by: Muna Sinada <quic_msinada@quicinc.com> Co-authored-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Link: https://lore.kernel.org/r/1640163883-12696-5-git-send-email-quic_vjakkam@quicinc.com Link: https://lore.kernel.org/r/20220214163009.175289-1-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-16cfg80211: Add data structures to capture EHT capabilitiesIlan Peer1-0/+63
And advertise EHT capabilities to user space when supported. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Link: https://lore.kernel.org/r/20220214173004.6fb70658529f.I2413a37c8f7d2d6d638038a3d95360a3fce0114d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2022-02-04cfg80211: fix -Wcast-qual warningsJohannes Berg1-5/+5
When enabling -Wcast-qual e.g. via W=3, we get a lot of warnings from this file, whenever it's included. Since the fixes are simple, just do that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20220202104617.6a1d52213019.I92d82e7251cf712faa43fd09db3142327a3bce3d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20nl80211: Add support to set AP settings flags with single attributeVeerendranath Jakkam1-11/+0
In previous method each AP settings flag is represented by a top-level flag attribute and conversion to enum cfg80211_ap_settings_flags had to be done before sending them to driver. This commit is to make it easier to define new AP settings flags and sending them to driver. This commit also deprecate sending of %NL80211_ATTR_EXTERNAL_AUTH_SUPPORT in %NL80211_CMD_START_AP. But to maintain backwards compatibility checks for %NL80211_ATTR_EXTERNAL_AUTH_SUPPORT in %NL80211_CMD_START_AP when %NL80211_ATTR_AP_SETTINGS_FLAGS not present in %NL80211_CMD_START_AP. Signed-off-by: Veerendranath Jakkam <vjakkam@codeaurora.org> Link: https://lore.kernel.org/r/1637911519-21306-1-git-send-email-vjakkam@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20cfg80211: Use the HE operation IE to determine a 6GHz BSS channelAyala Beker1-11/+13
A non-collocated AP whose primary channel is not a PSC channel may transmit a duplicated beacon on the corresponding PSC channel in which it would indicate its true primary channel. Use this inforamtion contained in the HE operation IE to determine the primary channel of the AP. In case of invalid infomration ignore it and use the channel the frame was received on. Signed-off-by: Ayala Beker <ayala.beker@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20211202143322.71eb2176e54e.I130f678e4aa390973ab39d838bbfe7b2d54bff8e@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20cfg80211: rename offchannel_chain structs to background_chain to avoid ↵Lorenzo Bianconi1-10/+10
confusion with ETSI standard ETSI standard defines "Offchannel CAC" as: "Off-Channel CAC is performed by a number of non-continuous checks spread over a period in time. This period, which is required to determine the presence of radar signals, is defined as the Off-Channel CAC Time.. Minimum Off-Channel CAC Time 6 minutes and Maximum Off-Channel CAC Time 4 hours..". mac80211 implementation refers to a dedicated hw chain used for continuous radar monitoring. Rename offchannel_* references to background_* in order to avoid confusion with ETSI standard. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/4204cc1d648d76b44557981713231e030a3bd991.1638190762.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-12-20cfg80211: Add support for notifying association comebackIlan Peer1-0/+12
Thought the underline driver MLME can handle association temporal rejection with comeback, it is still useful to notify this to user space, as user space might want to handle the temporal rejection differently. For example, in case the comeback time is too long, user space can deauthenticate immediately and try to associate with a different AP. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20211129152938.2467809e8cb3.I45574185b582666bc78eef0c29a4c36b478e5382@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-11-26cfg80211: schedule offchan_cac_abort_wk in cfg80211_radar_eventLorenzo Bianconi1-3/+21
If necessary schedule offchan_cac_abort_wk work in cfg80211_radar_event routine adding offchan parameter to cfg80211_radar_event signature. Rename cfg80211_radar_event in __cfg80211_radar_event and introduce the two following inline helpers: - cfg80211_radar_event - cfg80211_offchan_radar_event Doing so the drv will not need to run cfg80211_offchan_cac_abort() after radar detection on the offchannel chain. Tested-by: Owen Peng <owen.peng@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/3ff583e021e3343a3ced54a7b09b5e184d1880dc.1637062727.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-11-19cfg80211: move offchan_cac_event to a dedicated workLorenzo Bianconi1-10/+4
In order to make cfg80211_offchan_cac_abort() (renamed from cfg80211_offchan_cac_event) callable in other contexts and without so much locking restrictions, make it trigger a new work instead of operating directly. Do some other renames while at it to clarify. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/6145c3d0f30400a568023f67981981d24c7c6133.1635325205.git.lorenzo@kernel.org [rewrite commit log] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-11-19cfg80211: implement APIs for dedicated radar detection HWLorenzo Bianconi1-0/+25
If a dedicated (off-channel) radar detection hardware (chain) is available in the hardware/driver, allow this to be used by calling the NL80211_CMD_RADAR_DETECT command with a new flag attribute requesting off-channel radar detection is used. Offchannel CAC (channel availability check) avoids the CAC downtime when switching to a radar channel or when turning on the AP. Drivers advertise support for this using the new feature flag NL80211_EXT_FEATURE_RADAR_OFFCHAN. Tested-by: Evelyn Tsai <evelyn.tsai@mediatek.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Link: https://lore.kernel.org/r/7468e291ef5d05d692c1738d25b8f778d8ea5c3f.1634979655.git.lorenzo@kernel.org Link: https://lore.kernel.org/r/1e60e60fef00e14401adae81c3d49f3e5f307537.1634979655.git.lorenzo@kernel.org Link: https://lore.kernel.org/r/85fa50f57fc3adb2934c8d9ca0be30394de6b7e8.1634979655.git.lorenzo@kernel.org Link: https://lore.kernel.org/r/4b6c08671ad59aae0ac46fc94c02f31b1610eb72.1634979655.git.lorenzo@kernel.org Link: https://lore.kernel.org/r/241849ccaf2c228873c6f8495bf87b19159ba458.1634979655.git.lorenzo@kernel.org [remove offchan_mutex, fix cfg80211_stop_offchan_radar_detection(), remove gfp_t argument, fix documentation, fix tracing] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-10-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski1-2/+0
include/net/sock.h 7b50ecfcc6cd ("net: Rename ->stream_memory_read to ->sock_is_readable") 4c1e34c0dbff ("vsock: Enable y2038 safe timeval for timeout") drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c 0daa55d033b0 ("octeontx2-af: cn10k: debugfs for dumping LMTST map table") e77bcdd1f639 ("octeontx2-af: Display all enabled PF VF rsrc_alloc entries.") Adjacent code addition in both cases, keep both. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-25cfg80211: fix management registrations lockingJohannes Berg1-2/+0
The management registrations locking was broken, the list was locked for each wdev, but cfg80211_mgmt_registrations_update() iterated it without holding all the correct spinlocks, causing list corruption. Rather than trying to fix it with fine-grained locking, just move the lock to the wiphy/rdev (still need the list on each wdev), we already need to hold the wdev lock to change it, so there's no contention on the lock in any case. This trivially fixes the bug since we hold one wdev's lock already, and now will hold the lock that protects all lists. Cc: stable@vger.kernel.org Reported-by: Jouni Malinen <j@w1.fi> Fixes: 6cd536fe62ef ("cfg80211: change internal management frame registration API") Link: https://lore.kernel.org/r/20211025133111.5cf733eab0f4.I7b0abb0494ab712f74e2efcd24bb31ac33f7eee9@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-10-21cfg80211: fix kernel-doc for MBSSID EMAJohannes Berg1-1/+1
The struct member ema_max_profile_periodicity was listed with the wrong name in the kernel-doc, fix that. Link: https://lore.kernel.org/r/20211021173038.18ec2030c66b.Iac731bb299525940948adad2c41f514b7dd81c47@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-10-21cfg80211: separate get channel number from iesWen Gong1-0/+11
Get channel number from ies is a common logic, so separate it to a new function, which could also be used by lower driver. Signed-off-by: Wen Gong <wgong@codeaurora.org> Link: https://lore.kernel.org/r/20210930081533.4898-1-wgong@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-10-21cfg80211: prepare for const netdev->dev_addrJakub Kicinski1-1/+1
netdev->dev_addr will be const soon. All callers of wdev_address() can take const already. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Link: https://lore.kernel.org/r/20211019162816.1384077-2-kuba@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-09-27nl80211: MBSSID and EMA support in AP modeJohn Crispin1-0/+44
Add new attributes to configure support for multiple BSSID and advanced multi-BSSID advertisements (EMA) in AP mode. - NL80211_ATTR_MBSSID_CONFIG used for per interface configuration. - NL80211_ATTR_MBSSID_ELEMS used to MBSSID elements for beacons. Memory for the elements is allocated dynamically. This change frees the memory in existing functions which call nl80211_parse_beacon(), a comment is added to indicate the new references to do the same. Signed-off-by: John Crispin <john@phrozen.org> Co-developed-by: Aloka Dixit <alokad@codeaurora.org> Signed-off-by: Aloka Dixit <alokad@codeaurora.org> Link: https://lore.kernel.org/r/20210916025437.29138-2-alokad@codeaurora.org [don't leave ERR_PTR hanging around] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-09-27cfg80211: AP mode driver offload for FILS association cryptoSubrat Mishra1-0/+22
Add a driver FILS crypto offload extended capability flag to indicate that the driver running in AP mode is capable of handling encryption and decryption of (Re)Association request and response frames. Add a command to set FILS AAD data to driver. This feature is supported on drivers running in AP mode only. This extended capability is exchanged with hostapd during cfg80211 init. If the driver indicates this capability, then before sending the Authentication response frame, hostapd sets FILS AAD data to the driver. This allows the driver to decrypt (Re)Association Request frame and encrypt (Re)Association Response frame. FILS Key derivation will still be done in hostapd. Signed-off-by: Subrat Mishra <subratm@codeaurora.org> Link: https://lore.kernel.org/r/1631685143-13530-1-git-send-email-subratm@codeaurora.org [fix whitespace] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-08-17nl80211: add support for BSS coloringJohn Crispin1-0/+92
This patch adds support for BSS color collisions to the wireless subsystem. Add the required functionality to nl80211 that will notify about color collisions, triggering the color change and notifying when it is completed. Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/500b3582aec8fe2c42ef46f3117b148cb7cbceb5.1625247619.git.lorenzo@kernel.org [remove unnecessary NULL initialisation] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-28Merge tag 'mac80211-next-for-net-next-2021-06-25' of ↵David S. Miller1-17/+32
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes berg says: ==================== Lots of changes: * aggregation handling improvements for some drivers * hidden AP discovery on 6 GHz and other HE 6 GHz improvements * minstrel improvements for no-ack frames * deferred rate control for TXQs to improve reaction times * virtual time-based airtime scheduler * along with various little cleanups/fixups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-23cfg80211: Add wiphy_info_once()Dmitry Osipenko1-0/+2
Add wiphy_info_once() helper that prints info message only once. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20210511211549.30571-1-digetx@gmail.com
2021-06-23cfg80211: allow advertising vendor-specific capabilitiesJohannes Berg1-0/+7
There may be cases where vendor-specific elements need to be used over the air. Rather than have driver or firmware add them and possibly cause problems that way, add them to the iftype-data band capabilities. This way we can advertise to userspace first, and use them in mac80211 next. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210618133832.e8c4f0347276.Iee5964682b3e9ec51fc1cd57a7c62383eaf6ddd7@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-23cfg80211: add cfg80211_any_usable_channels()Johannes Berg1-0/+11
This helper function checks if there are any usable channels on any of the given bands with the given properties (as expressed by disallowed channel flags). Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210618133832.2b613addaa85.Idaf8b859089490537878a7de5c7453a873a3f638@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-23cfg80211: remove ieee80211_get_he_sta_cap()Johannes Berg1-12/+0
This function turned out to be too easy to misuse since it doesn't consider the interface type. Remove it now that we no longer use it in mac80211. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210618133832.8c9c72f914b0.I68e9c0626dc77a0f67f238a05ae16a0b77b09895@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-23nl80211/cfg80211: add BSS color to NDP ranging parametersAvraham Stern1-2/+6
In NDP ranging, the initiator need to set the BSS color in the NDP to the BSS color of the responder. Add the BSS color as a parameter for NDP ranging. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210618133832.f097a6144b59.I27dec8b994df52e691925ea61be4dd4fa6d396c0@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-23cfg80211: expose the rfkill device to the low level driverEmmanuel Grumbach1-1/+8
This will allow the low level driver to query the rfkill state. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://lore.kernel.org/r/20210616202826.9833-1-emmanuel.grumbach@intel.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-06-23cfg80211: remove CFG80211_MAX_NUM_DIFFERENT_CHANNELSJohannes Berg1-2/+0
We no longer need to put any limits here, hardware will and mac80211-hwsim can do whatever it likes. The reason we had this was some accounting code (still mentioned in the comment) but that code was deleted in commit c781944b71f8 ("cfg80211: Remove unused cfg80211_can_use_iftype_chan()"). Link: https://lore.kernel.org/r/20210506221159.d1d61db1d31c.Iac4da68d54b9f1fdc18a03586bbe06aeb9515425@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-05-11mac80211: properly handle A-MSDUs that start with an RFC 1042 headerMathy Vanhoef1-2/+2
Properly parse A-MSDUs whose first 6 bytes happen to equal a rfc1042 header. This can occur in practice when the destination MAC address equals AA:AA:03:00:00:00. More importantly, this simplifies the next patch to mitigate A-MSDU injection attacks. Cc: stable@vger.kernel.org Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@kuleuven.be> Link: https://lore.kernel.org/r/20210511200110.0b2b886492f0.I23dd5d685fe16d3b0ec8106e8f01b59f499dffed@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19nl80211/cfg80211: add a flag to negotiate for LMR feedback in NDP rangingAvraham Stern1-1/+4
Add a flag that indicates that the ISTA shall indicate support for LMR feedback in NDP ranging negotiation. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20210409123755.eff546283504.I2606161e700ac24d94d0b50c8edcdedd4c0395c2@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19cfg80211: constify ieee80211_get_response_rate returnJoe Perches1-1/+1
It's not modified so make it const with the eventual goal of moving data to text for various static struct ieee80211_rate arrays. Signed-off-by: Joe Perches <joe@perches.com> Link: https://lore.kernel.org/r/8b210b5f5972e39eded269b35a1297cf824c4181.camel@perches.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19cfg80211: fix a few kernel-doc warningsRandy Dunlap1-2/+2
Fix multiple kernel-doc warnings in cfg80211.h. cfg80211.h:363: warning: missing initial short description on line: * struct ieee80211_sband_iftype_data cfg80211.h:6743: warning: missing initial short description on line: * cfg80211_vendor_cmd_get_sender Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20210417060142.1648-1-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-19cfg80211: fix an htmldoc warningEmmanuel Grumbach1-1/+1
The htmldoc produces this warning which was introduced bu the commit below. include/net/cfg80211.h:6643: warning: expecting prototype for wiphy_rfkill_set_hw_state(). Prototype was for wiphy_rfkill_set_hw_state_reason() instead Fixes: 6f779a66dc84 ("cfg80211: allow specifying a reason for hw_rfkill") Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://lore.kernel.org/r/20210413113850.59098-1-emmanuel.grumbach@intel.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-04-08cfg80211: allow specifying a reason for hw_rfkillEmmanuel Grumbach1-1/+10
rfkill now allows to report a reason for the hw_rfkill state. Allow cfg80211 drivers to specify this reason. Keep the current API to use the default reason (RFKILL_HARD_BLOCK_SIGNAL). Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Link: https://lore.kernel.org/r/20210322204633.102581-4-emmanuel.grumbach@intel.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-02-12cfg80211/mac80211: Support disabling HE modeBen Greear1-0/+2
Allow user to disable HE mode, similar to how VHT and HT can be disabled. Useful for testing. Signed-off-by: Ben Greear <greearb@candelatech.com> Link: https://lore.kernel.org/r/20210204144610.25971-1-greearb@candelatech.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-02-01cfg80211: fix netdev registration deadlockJohannes Berg1-1/+3
If register_netdevice() fails after having called cfg80211's netdev notifier (cfg80211_netdev_notifier_call) it will call the notifier again with UNREGISTER. This would then lock the wiphy mutex because we're marked as registered, which causes a deadlock. Fix this by separately keeping track of whether or not we're in the middle of registering to also skip the notifier call on this unregister. Reported-by: syzbot+2ae0ca9d7737ad1a62b7@syzkaller.appspotmail.com Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver") Link: https://lore.kernel.org/r/20210201192048.ed8bad436737.I7cae042c44b15f80919a285799a15df467e9d42d@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-01-26cfg80211: avoid holding the RTNL when calling the driverJohannes Berg1-15/+89
Currently, _everything_ in cfg80211 holds the RTNL, and if you have a slow USB device (or a few) you can get some bad lock contention on that. Fix that by re-adding a mutex to each wiphy/rdev as we had at some point, so we have locking for the wireless_dev lists and all the other things in there, and also so that drivers still don't have to worry too much about it (they still won't get parallel calls for a single device). Then, we can restrict the RTNL to a few cases where we add or remove interfaces and really need the added protection. Some of the global list management still also uses the RTNL, since we need to have it anyway for netdev management, but we only hold the RTNL for very short periods of time here. Link: https://lore.kernel.org/r/20210122161942.81df9f5e047a.I4a8e1a60b18863ea8c5e6d3a0faeafb2d45b2f40@changeid Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> [marvell driver issues] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-01-22cfg80211: change netdev registration/unregistration semanticsJohannes Berg1-8/+32
We used to not require anything in terms of registering netdevs with cfg80211, using a netdev notifier instead. However, in the next patch reducing RTNL locking, this causes big problems, and the simplest way is to just require drivers to do things better. Change the registration/unregistration semantics to require the drivers to call cfg80211_(un)register_netdevice() when this is happening due to a cfg80211 request, i.e. add_virtual_intf() or del_virtual_intf() (or if it somehow has to happen in any other cfg80211 callback). Otherwise, in other contexts, drivers may continue to use the normal netdev (un)registration functions as usual. Internally, we still use the netdev notifier and track (by the new wdev->registered bool) if the wdev had already been added to cfg80211 or not. Link: https://lore.kernel.org/r/20210122161942.cf2f4b65e4e9.Ida8234e50da13eb675b557bac52a713ad4eddf71@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-01-22cfg80211: Add phyrate conversion support for extended MCS in 60GHz bandMax Chen1-0/+2
The current phyrate conversion does not include extended MCS and provides incorrect rates. Add a flag for extended MCS in DMG and add corresponding phyrate table for the correct conversions using base MCS in DMG specs. Signed-off-by: Max Chen <mxchen@codeaurora.org> Link: https://lore.kernel.org/r/1609977050-7089-2-git-send-email-mxchen@codeaurora.org [reduce data size, make a single WARN] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-01-15cfg80211: fix a kerneldoc markupMauro Carvalho Chehab1-1/+1
A function has a different name between their prototype and its kernel-doc markup: ../include/net/cfg80211.h:1766: warning: expecting prototype for struct cfg80211_sar_chan_ranges. Prototype was for struct cfg80211_sar_freq_ranges instead Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c7ed4bc4d9e992ead16d3d2df246f3b56dbfb1fb.1610610937.git.mchehab+huawei@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2021-01-08cfg80211/mac80211: fix kernel-doc for SAR APIsJohannes Berg1-1/+4
A stray @ caused the kernel-doc parser to not understand this, fix that. Also add some missing kernel-doc. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 6bdb68cef7bf ("nl80211: add common API to configure SAR power limitations") Fixes: c534e093d865 ("mac80211: add ieee80211_set_sar_specs") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> # build only Link: https://lore.kernel.org/r/20210106234740.96827c18f9bd.I8b9f0a9cbfe186931ef9640046f414371f216914@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-12-11nl80211: add common API to configure SAR power limitationsCarl Huang1-0/+52
NL80211_CMD_SET_SAR_SPECS is added to configure SAR from user space. NL80211_ATTR_SAR_SPEC is used to pass the SAR power specification when used with NL80211_CMD_SET_SAR_SPECS. Wireless driver needs to register SAR type, supported frequency ranges to wiphy, so user space can query it. The index in frequency range is used to specify which sub band the power limitation applies to. The SAR type is for compatibility, so later other SAR mechanism can be implemented without breaking the user space SAR applications. Normal process is user space queries the SAR capability, and gets the index of supported frequency ranges and associates the power limitation with this index and sends to kernel. Here is an example of message send to kernel: 8c 00 00 00 08 00 01 00 00 00 00 00 38 00 2b 81 08 00 01 00 00 00 00 00 2c 00 02 80 14 00 00 80 08 00 02 00 00 00 00 00 08 00 01 00 38 00 00 00 14 00 01 80 08 00 02 00 01 00 00 00 08 00 01 00 48 00 00 00 NL80211_CMD_SET_SAR_SPECS: 0x8c NL80211_ATTR_WIPHY: 0x01(phy idx is 0) NL80211_ATTR_SAR_SPEC: 0x812b (NLA_NESTED) NL80211_SAR_ATTR_TYPE: 0x00 (NL80211_SAR_TYPE_POWER) NL80211_SAR_ATTR_SPECS: 0x8002 (NLA_NESTED) freq range 0 power: 0x38 in 0.25dbm unit (14dbm) freq range 1 power: 0x48 in 0.25dbm unit (18dbm) Signed-off-by: Carl Huang <cjhuang@codeaurora.org> Reviewed-by: Brian Norris <briannorris@chromium.org> Reviewed-by: Abhishek Kumar <kuabhs@chromium.org> Link: https://lore.kernel.org/r/20201203103728.3034-2-cjhuang@codeaurora.org [minor edits, NLA parse cleanups] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-12-11cfg80211: support immediate reconnect request hintJohannes Berg1-1/+3
There are cases where it's necessary to disconnect, but an immediate reconnection is desired. Support a hint to userspace that this is the case, by including a new attribute in the deauth or disassoc event. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20201206145305.58d33941fb9d.I0e7168c205c7949529c8e3b86f3c9b12c01a7017@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-12-11cfg80211: remove struct ieee80211_he_bss_colorJohannes Berg1-13/+0
We don't really use this struct, we're now using struct cfg80211_he_bss_color instead. Change the one place in mac80211 that's using the old name to use struct assignment instead of memcpy() and thus remove the wrong sizeof while at it. Signed-off-by: Luca Coelho <luciano.coelho@intel.com> Link: https://lore.kernel.org/r/iwlwifi.20201206145305.f6698d97ae4e.Iba2dffcb79c4ab80bde7407609806010b55edfdf@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-07 15:25:27 +0300