- 21 8月, 2019 2 次提交
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由 Alexei Avshalom Lazar 提交于
802.11ay specification defines Enhanced Directional Multi-Gigabit (EDMG) STA and AP which allow channel bonding of 2 channels and more. Introduce new NL attributes that are needed for enabling and configuring EDMG support. Two new attributes are used by kernel to publish driver's EDMG capabilities to the userspace: NL80211_BAND_ATTR_EDMG_CHANNELS - bitmap field that indicates the 2.16 GHz channel(s) that are supported by the driver. When this attribute is not set it means driver does not support EDMG. NL80211_BAND_ATTR_EDMG_BW_CONFIG - represent the channel bandwidth configurations supported by the driver. Additional two new attributes are used by the userspace for connect command and for AP configuration: NL80211_ATTR_WIPHY_EDMG_CHANNELS NL80211_ATTR_WIPHY_EDMG_BW_CONFIG New rate info flag - RATE_INFO_FLAGS_EDMG, can be reported from driver and used for bitrate calculation that will take into account EDMG according to the 802.11ay specification. Signed-off-by: NAlexei Avshalom Lazar <ailizaro@codeaurora.org> Link: https://lore.kernel.org/r/1566138918-3823-2-git-send-email-ailizaro@codeaurora.orgSigned-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Arend van Spriel 提交于
The function cfg80211_ir_permissive_chan() is applicable for 6GHz band as well so make sure it is handled. Reviewed-by: NPieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: NLeon Zegers <leon.zegers@broadcom.com> Signed-off-by: NArend van Spriel <arend.vanspriel@broadcom.com> Link: https://lore.kernel.org/r/1564745465-21234-7-git-send-email-arend.vanspriel@broadcom.comSigned-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 18 12月, 2018 1 次提交
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由 Luca Coelho 提交于
There are talks about enabling -Wimplicit-fallthrough warnings in the mainline and it is already enabled in linux-next. Add all the missing annotations to prevent warnings when this happens. And in one case, remove the extra text from the annotation so that the compiler recognizes it. Signed-off-by: NLuca Coelho <luciano.coelho@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 29 3月, 2018 1 次提交
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由 Dmitry Lebed 提交于
Currently channel switch/start_ap to DFS channel cannot be done to non-CAC-cleared channel even if DFS offload if enabled. Make non-cleared DFS channels available if DFS offload is enabled. CAC will be started by HW after channel change, start_ap call, etc. Signed-off-by: NDmitry Lebed <dlebed@quantenna.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 02 11月, 2017 1 次提交
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由 Greg Kroah-Hartman 提交于
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: NKate Stewart <kstewart@linuxfoundation.org> Reviewed-by: NPhilippe Ombredanne <pombredanne@nexb.com> Reviewed-by: NThomas Gleixner <tglx@linutronix.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 12 10月, 2017 1 次提交
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由 Johannes Berg 提交于
Perhaps it had been intended to be used, but it clearly isn't. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 06 3月, 2017 2 次提交
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Sharing DFS channel state across multiple wiphys (radios) could be useful with multiple radios on the system. When one radio completes CAC and markes the channel available another radio can use this information and start beaconing without really doing CAC. Whenever there is a state change in dfs channel associated to a particular wiphy the the same state change is propagated to other wiphys having the same DFS reg domain configuration. Also when a new wiphy is created the dfs channel state of other existing wiphys of same DFS domain is copied. Signed-off-by: NVasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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DFS requirement for ETSI domain (section 4.7.1.4 in ETSI EN 301 893 V1.8.1) is the only one which explicitly states that once DFS channel is marked as available afer the CAC, this channel will remain in available state even moving to a different operating channel. But the same is not explicitly stated in FCC DFS requirement. Also, Pre-CAC requriements are not explicitly mentioned in FCC requirement. Current implementation in keeping DFS channel in available state is same as described in ETSI domain. For non-ETSI DFS domain, this patch gives a grace period of 2 seconds since the completion of successful CAC before moving the channel's DFS state to 'usable' from 'available' state. The same grace period is checked against the channel's dfs_state_entered timestamp while deciding if a DFS channel is available for operation. There is a new radar event, NL80211_RADAR_PRE_CAC_EXPIRED, reported when DFS channel is moved from available to usable state after the grace period. Also make sure the DFS channel state is reset to usable once the beaconing operation on that channel is brought down (like stop_ap, leave_ibss and leave_mesh) in non-ETSI domain. Signed-off-by: NVasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 30 9月, 2016 1 次提交
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由 Ayala Beker 提交于
This allows user space to start/stop NAN interface. A NAN interface is like P2P device in a few aspects: it doesn't have a netdev associated to it. Add the new interface type and prevent operations that can't be executed on NAN interface like scan. Define several attributes that may be configured by user space when starting NAN functionality (master preference and dual band operation) Signed-off-by: NAndrei Otcheretianski <andrei.otcheretianski@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NLuca Coelho <luciano.coelho@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 04 8月, 2016 1 次提交
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由 Masahiro Yamada 提交于
The use of config_enabled() against config options is ambiguous. In practical terms, config_enabled() is equivalent to IS_BUILTIN(), but the author might have used it for the meaning of IS_ENABLED(). Using IS_ENABLED(), IS_BUILTIN(), IS_MODULE() etc. makes the intention clearer. This commit replaces config_enabled() with IS_ENABLED() where possible. This commit is only touching bool config options. I noticed two cases where config_enabled() is used against a tristate option: - config_enabled(CONFIG_HWMON) [ drivers/net/wireless/ath/ath10k/thermal.c ] - config_enabled(CONFIG_BACKLIGHT_CLASS_DEVICE) [ drivers/gpu/drm/gma500/opregion.c ] I did not touch them because they should be converted to IS_BUILTIN() in order to keep the logic, but I was not sure it was the authors' intention. Link: http://lkml.kernel.org/r/1465215656-20569-1-git-send-email-yamada.masahiro@socionext.comSigned-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com> Acked-by: NKees Cook <keescook@chromium.org> Cc: Stas Sergeev <stsp@list.ru> Cc: Matt Redfearn <matt.redfearn@imgtec.com> Cc: Joshua Kinard <kumba@gentoo.org> Cc: Jiri Slaby <jslaby@suse.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Borislav Petkov <bp@suse.de> Cc: Markos Chandras <markos.chandras@imgtec.com> Cc: "Dmitry V. Levin" <ldv@altlinux.org> Cc: yu-cheng yu <yu-cheng.yu@intel.com> Cc: James Hogan <james.hogan@imgtec.com> Cc: Brian Gerst <brgerst@gmail.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Will Drewry <wad@chromium.org> Cc: Nikolay Martynov <mar.kolya@gmail.com> Cc: Huacai Chen <chenhc@lemote.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Cc: Rafal Milecki <zajec5@gmail.com> Cc: James Cowgill <James.Cowgill@imgtec.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Alex Smith <alex.smith@imgtec.com> Cc: Adam Buchbinder <adam.buchbinder@gmail.com> Cc: Qais Yousef <qais.yousef@imgtec.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Mikko Rapeli <mikko.rapeli@iki.fi> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Brian Norris <computersforpeace@gmail.com> Cc: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com> Cc: "Luis R. Rodriguez" <mcgrof@do-not-panic.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Roland McGrath <roland@hack.frob.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Tony Wu <tung7970@gmail.com> Cc: Huaitong Han <huaitong.han@intel.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Juergen Gross <jgross@suse.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Andrea Gelmini <andrea.gelmini@gelma.net> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Rabin Vincent <rabin@rab.in> Cc: "Maciej W. Rozycki" <macro@imgtec.com> Cc: David Daney <david.daney@cavium.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 02 8月, 2016 1 次提交
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由 Colin Ian King 提交于
The switch on chandef->width is missing a break on the NL8211_CHAN_WIDTH_80P80 case; currently we get a WARN_ON when center_freq2 is non-zero because of the missing break. Signed-off-by: NColin Ian King <colin.king@canonical.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 12 5月, 2016 1 次提交
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由 Johannes Berg 提交于
There's no harm in having drivers read the list, since they can use RCU protection or RTNL locking; allow this to not require each and every driver to also implement its own bookkeeping. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 12 4月, 2016 1 次提交
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由 Johannes Berg 提交于
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: NJohannes Berg <johannes.berg@intel.com>
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- 17 7月, 2015 1 次提交
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由 Arik Nemtsov 提交于
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: 06f207fc ("cfg80211: change GO_CONCURRENT to IR_CONCURRENT for STA") Signed-off-by: NArik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 06 5月, 2015 2 次提交
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由 Arik Nemtsov 提交于
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: NArik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Avraham Stern 提交于
If a P2P GO was allowed on a channel because of the GO concurrent relaxation, i.e., another station interface was associated to an AP on the same channel or the same UNII band, and the station interface disconnected from the AP, allow the following use cases unless the channel is marked as indoor only and the device is not operating in an indoor environment: 1. Allow the P2P GO to stay on its current channel. The rationale behind this is that if the channel or UNII band were allowed by the AP they could still be used to continue the P2P GO operation, and avoid connection breakage. 2. Allow another P2P GO to start on the same channel or another channel that is in the same UNII band as the previous instantiated P2P GO. Signed-off-by: NAvraham Stern <avraham.stern@intel.com> Signed-off-by: NArik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: NIlan Peer <ilan.peer@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 12 12月, 2014 1 次提交
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由 Jouni Malinen 提交于
The VHT supported channel width field is a two bit integer, not a bitfield. cfg80211_chandef_usable() was interpreting it incorrectly and ended up rejecting 160 MHz channel width if the driver indicated support for both 160 and 80+80 MHz channels. Cc: stable@vger.kernel.org (3.16+) Fixes: 3d9d1d66 ("nl80211/cfg80211: support VHT channel configuration") (however, no real drivers had 160 MHz support it until 3.16) Signed-off-by: NJouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 04 11月, 2014 1 次提交
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由 Rostislav Lisovy 提交于
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: NRostislav Lisovy <rostislav.lisovy@fel.cvut.cz> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 30 10月, 2014 1 次提交
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由 Johannes Berg 提交于
The helper function can't ever create negative values, so use u32 pointers as the function arguments as the caller does. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 05 9月, 2014 1 次提交
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由 Johannes Berg 提交于
Our legal structure changed at some point (see wikipedia), but we forgot to immediately switch over to the new copyright notice. For files that we have modified in the time since the change, add the proper copyright notice now. Signed-off-by: NJohannes Berg <johannes.berg@intel.com> Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 15 5月, 2014 1 次提交
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由 Luciano Coelho 提交于
There is no need to pass NL80211_IFTYPE_UNSPECIFIED when calling cfg80211_chandef_dfs_required() since we always already have the interface type. So, pass the actual interface type instead. Additionally, have cfg80211_chandef_dfs_required() WARN if the passed interface type is NL80211_IFTYPE_UNSPECIFIED, so we can detect problems more easily. Tested-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Reported-by: NEliad Peller <eliad@wizery.com> Signed-off-by: NLuciano Coelho <luciano.coelho@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 14 5月, 2014 1 次提交
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由 Janusz Dziedzic 提交于
After patch: cfg80211/mac80211: refactor cfg80211_chandef_dfs_required() start_radar_detection always fail with -EINVAL. Acked-by: NLuciano Coelho <luciano.coelho@intel.com> Signed-off-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 25 4月, 2014 3 次提交
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由 Rostislav Lisovy 提交于
Since there are frequency bands (e.g. 5.9GHz) allowing channels with only 10 or 5 MHz bandwidth, this patch adds attributes that allow keeping track about this information. When channel attributes are reported to user-space, make sure to not break old tools, i.e. if the 'split wiphy dump' is enabled, report the extra attributes (if present) describing the bandwidth restrictions. If the 'split wiphy dump' is not enabled, completely omit those channels that have flags set to either IEEE80211_CHAN_NO_10MHZ or IEEE80211_CHAN_NO_20MHZ. Add the check for new bandwidth restriction flags in cfg80211_chandef_usable() to comply with the restrictions. Signed-off-by: NRostislav Lisovy <rostislav.lisovy@fel.cvut.cz> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Zhao, Gang 提交于
Name wiphy_to_rdev is more accurate to describe what the function does, i.e., return a pointer pointing to struct cfg80211_registered_device. Signed-off-by: NZhao, Gang <gamerh2o@gmail.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Ilan Peer 提交于
At some locations, channels 149-165 are considered a single bundle, while at some other locations, e.g., Indonesia, channels 149-161 are considered a single bundle, while channel 165 belongs to a different bundle. This means that: 1. A station interface connection to an AP on channel 165 allows the instantiation of a P2P GO on channels 149-165. 2. A station interface connection to an AP on channels 149-161 does NOT allow the instantiation of a P2P GO on channel 165. Fix this. Signed-off-by: NIlan Peer <ilan.peer@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 09 4月, 2014 3 次提交
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由 Luciano Coelho 提交于
Some interface types don't require DFS (such as STATION, P2P_CLIENT etc). In order to centralize these decisions, make cfg80211_chandef_dfs_required() take the iftype into consideration. Signed-off-by: NLuciano Coelho <luciano.coelho@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Ilan Peer 提交于
Allow GO operation on a channel marked with IEEE80211_CHAN_INDOOR_ONLY iff there is a user hint indicating that the platform is operating in an indoor environment, i.e., the platform is a printer or media center device. Signed-off-by: NIlan Peer <ilan.peer@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Ilan Peer 提交于
Allow GO operation on a channel marked with IEEE80211_CHAN_GO_CONCURRENT iff there is an active station interface that is associated to an AP operating on the same channel in the 2 GHz band or the same UNII band (in the 5 GHz band). This relaxation is not allowed if the channel is marked with IEEE80211_CHAN_RADAR. Note that this is a permissive approach to the FCC definitions, that require a clear assessment that the device operating the AP is an authorized master, i.e., with radar detection and DFS capabilities. It is assumed that such restrictions are enforced by user space. Furthermore, it is assumed, that if the conditions that allowed for the operation of the GO on such a channel change, i.e., the station interface disconnected from the AP, it is the responsibility of user space to evacuate the GO from the channel. Signed-off-by: NIlan Peer <ilan.peer@intel.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 26 2月, 2014 1 次提交
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由 Janusz Dziedzic 提交于
Send Channel Availability Check time as a parameter of start_radar_detection() callback. Get CAC time from regulatory database. Signed-off-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 14 2月, 2014 1 次提交
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由 stephen hemminger 提交于
One of my pet coding style peeves is the practice of adding extra return; at the end of function. Kill several instances of this in network code. I suppose some coccinelle wizardy could do this automatically. Signed-off-by: NStephen Hemminger <stephen@networkplumber.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 2月, 2014 1 次提交
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由 Johannes Berg 提交于
There's no driver using this flag and consequently no userspace application is actually looking at it. As it seems unlikely for any driver to start using it, remove it and the (very little) code that used it. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 05 2月, 2014 1 次提交
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由 Michal Kazior 提交于
It was possible to break interface combinations in the following way: combo 1: iftype = AP, num_ifaces = 2, num_chans = 2, combo 2: iftype = AP, num_ifaces = 1, num_chans = 1, radar = HT20 With the above interface combinations it was possible to: step 1. start AP on DFS channel by matching combo 2 step 2. start AP on non-DFS channel by matching combo 1 This was possible beacuse (step 2) did not consider if other interfaces require radar detection. The patch changes how cfg80211 tracks channels - instead of channel itself now a complete chandef is stored. Signed-off-by: NMichal Kazior <michal.kazior@tieto.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 26 11月, 2013 5 次提交
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由 Janusz Dziedzic 提交于
Allow beconing after we pass Channel Availability Check (CAC). Allow non-DFS and DFS channels mix. All DFS channels have to be in NL80211_DFS_AVAILABLE state (pass CAC). Signed-off-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Johannes Berg 提交于
Improve readability of the function by adding the break, there's no functional impact but it's confusing to fall through. Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Janusz Dziedzic 提交于
Check chandef we get in CAC request is usable for CAC. All channels have to be DFS channels. Allow DFS_USABLE and DFS_AVAILABLE channels mix. At least one channel has to be DFS_USABLE (require CAC). Signed-off-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Reviewed-by: NLuis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Janusz Dziedzic 提交于
Add helper fuctions for start/end freq. Signed-off-by: NJanusz Dziedzic <janusz.dziedzic@tieto.com> Reviewed-by: NLuis R. Rodriguez <mcgrof@do-not-panic.com> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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由 Luis R. Rodriguez 提交于
These two flags are used for the same purpose, just combine them into a no-ir flag to annotate no initiating radiation is allowed. Old userspace sending either flag will have it treated as the no-ir flag. To be considerate to older userspace we also send both the no-ir flag and the old no-ibss flags. Newer userspace will have to be aware of older kernels. Update all places in the tree using these flags with the following semantic patch: @@ @@ -NL80211_RRF_PASSIVE_SCAN +NL80211_RRF_NO_IR @@ @@ -NL80211_RRF_NO_IBSS +NL80211_RRF_NO_IR @@ @@ -IEEE80211_CHAN_PASSIVE_SCAN +IEEE80211_CHAN_NO_IR @@ @@ -IEEE80211_CHAN_NO_IBSS +IEEE80211_CHAN_NO_IR @@ @@ -NL80211_RRF_NO_IR | NL80211_RRF_NO_IR +NL80211_RRF_NO_IR @@ @@ -IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_NO_IR +IEEE80211_CHAN_NO_IR @@ @@ -(NL80211_RRF_NO_IR) +NL80211_RRF_NO_IR @@ @@ -(IEEE80211_CHAN_NO_IR) +IEEE80211_CHAN_NO_IR Along with some hand-optimisations in documentation, to remove duplicates and to fix some indentation. Signed-off-by: NLuis R. Rodriguez <mcgrof@do-not-panic.com> [do all the driver updates in one go] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 28 10月, 2013 1 次提交
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由 Simon Wunderlich 提交于
To use DFS in IBSS mode, userspace is required to react to radar events. It can inform nl80211 that it is capable of doing so by adding a NL80211_ATTR_HANDLE_DFS attribute when joining the IBSS. This attribute is supplied to let the kernelspace know that the userspace application can and will handle radar events, e.g. by intiating channel switches to a valid channel. DFS channels may only be used if this attribute is supplied and the driver supports it. Driver support will be checked even if a channel without DFS will be initially joined, as a DFS channel may be chosen later. Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NMathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> [fix attribute name in commit message] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 26 9月, 2013 1 次提交
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由 Simon Wunderlich 提交于
It will be used later by the IBSS CSA implementation of mac80211. Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NMathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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- 18 6月, 2013 1 次提交
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由 Simon Wunderlich 提交于
Add defines for 5 and 10 MHz channel width and fix channel handling functions accordingly. Also check for and report the WIPHY_FLAG_SUPPORTS_5_10_MHZ capability. Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NMathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> [fix spelling in comment] Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
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