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2020-10-30cfg80211: regulatory: Fix inconsistent format argumentYe Bin
Fix follow warning: [net/wireless/reg.c:3619]: (warning) %d in format string (no. 2) requires 'int' but the argument type is 'unsigned int'. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Ye Bin <yebin10@huawei.com> Link: https://lore.kernel.org/r/20201009070215.63695-1-yebin10@huawei.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-30cfg80211: initialize wdev data earlierJohannes Berg
There's a race condition in the netdev registration in that NETDEV_REGISTER actually happens after the netdev is available, and so if we initialize things only there, we might get called with an uninitialized wdev through nl80211 - not using a wdev but using a netdev interface index. I found this while looking into a syzbot report, but it doesn't really seem to be related, and unfortunately there's no repro for it (yet). I can't (yet) explain how it managed to get into cfg80211_release_pmsr() from nl80211_netlink_notify() without the wdev having been initialized, as the latter only iterates the wdevs that are linked into the rdev, which even without the change here happened after init. However, looking at this, it seems fairly clear that the init needs to be done earlier, otherwise we might even re-init on a netns move, when data might still be pending. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20201009135821.fdcbba3aad65.Ie9201d91dbcb7da32318812effdc1561aeaf4cdc@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-10Merge tag 'mac80211-next-for-net-next-2020-10-08' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg says: ==================== A handful of changes: * fixes for the recent S1G work * a docbook build time improvement * API to pass beacon rate to lower-level driver ==================== Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-08Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Small conflict around locking in rxrpc_process_event() - channel_lock moved to bundle in next, while state lock needs _bh() from net. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-10-08net: wireless: nl80211: fix out-of-bounds access in nl80211_del_key()Anant Thazhemadam
In nl80211_parse_key(), key.idx is first initialized as -1. If this value of key.idx remains unmodified and gets returned, and nl80211_key_allowed() also returns 0, then rdev_del_key() gets called with key.idx = -1. This causes an out-of-bounds array access. Handle this issue by checking if the value of key.idx after nl80211_parse_key() is called and return -EINVAL if key.idx < 0. Cc: stable@vger.kernel.org Reported-by: syzbot+b1bb342d1d097516cbda@syzkaller.appspotmail.com Tested-by: syzbot+b1bb342d1d097516cbda@syzkaller.appspotmail.com Signed-off-by: Anant Thazhemadam <anant.thazhemadam@gmail.com> Link: https://lore.kernel.org/r/20201007035401.9522-1-anant.thazhemadam@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-08cfg80211: only allow S1G channels on S1G bandThomas Pedersen
As discovered by syzbot, cfg80211 was accepting S1G channel widths on non-S1G bands. Add a check for this, and consolidate the 1MHz frequency check as it ends up being a subset of the others. Reported-by: syzbot+92715a0eccd6c881bc32@syzkaller.appspotmail.com Fixes: 11b34737b18a ("nl80211: support setting S1G channels") Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20201005165122.17583-1-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-02genetlink: move to smaller ops wherever possibleJakub Kicinski
Bulk of the genetlink users can use smaller ops, move them. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-10-02nl80211: fix non-split wiphy informationJohannes Berg
When dumping wiphy information, we try to split the data into many submessages, but for old userspace we still support the old mode where this doesn't happen. However, in this case we were not resetting our state correctly and dumping multiple messages for each wiphy, which would have broken such older userspace. This was broken pretty much immediately afterwards because it only worked in the original commit where non-split dumps didn't have any more data than split dumps... Fixes: fe1abafd942f ("nl80211: re-add channel width and extended capa advertising") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200928130717.3e6d9c6bada2.Ie0f151a8d0d00a8e1e18f6a8c9244dd02496af67@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-10-02nl80211: reduce non-split wiphy dump sizeJohannes Berg
When wiphy dumps cannot be split, such as in events or with older userspace that doesn't support it, the size can today be too big. Reduce it, by doing two things: 1) remove data that couldn't have been present before the split capability was introduced since it's new, such as HE capabilities 2) as suggested by Martin Willi, remove management frame subtypes from the split dumps, as just (1) isn't even enough due to other new code capabilities. This is fine as old consumers (really just wpa_supplicant) didn't check this data before they got support for split dumps. Reported-by: Martin Willi <martin@strongswan.org> Suggested-by: Martin Willi <martin@strongswan.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Tested-by: Martin Willi <martin@strongswan.org> Link: https://lore.kernel.org/r/20200928130655.53bce7873164.I71f06c9a221cd0630429a1a56eeae68a13beca61@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28nl80211: extend support to config spatial reuse parameter setRajkumar Manoharan
Allow the user to configure below Spatial Reuse Parameter Set element. * Non-SRG OBSS PD Max Offset * SRG BSS Color Bitmap * SRG Partial BSSID Bitmap Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1601278091-20313-2-git-send-email-rmanohar@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28nl80211: fix OBSS PD min and max offset validationRajkumar Manoharan
The SRG min and max offset won't present when SRG Information Present of SR control field of Spatial Reuse Parameter Set element set to 0. Per spec. IEEE802.11ax D7.0, SRG OBSS PD Min Offset ≤ SRG OBSS PD Max Offset. Hence fix the constrain check to allow same values in both offset and also call appropriate nla_get function to read the values. Fixes: 796e90f42b7e ("cfg80211: add support for parsing OBBS_PD attributes") Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org> Link: https://lore.kernel.org/r/1601278091-20313-1-git-send-email-rmanohar@codeaurora.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28cfg80211: regulatory: remove a bogus initializationDan Carpenter
The the __freq_reg_info() never returns NULL and the callers don't check for NULL. This initialization to set "reg_rule = NULL;" is just there to make GCC happy but it's not required in current GCCs. The problem is that Smatch sees the initialization and concludes that this function can return NULL so it complains that the callers are not checking for it. Smatch used to be able to parse this correctly but we recently changed the code from: - for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) { + for (bw = MHZ_TO_KHZ(bws[i]); bw >= min_bw; bw = MHZ_TO_KHZ(bws[i--])) { Originally Smatch used to understand that this code always iterates through the loop once, but the change from "MHZ_TO_KHZ(20)" to "MHZ_TO_KHZ(bws[i])" is too complicated for Smatch. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Link: https://lore.kernel.org/r/20200923084203.GC1454948@mwanda Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28nl80211: include frequency offset in survey infoThomas Pedersen
Recently channels gained a potential frequency offset, so include this in the per-channel survey info. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200922022818.15855-16-thomas@adapt-ip.com [add the offset only if non-zero] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28cfg80211: handle Association Response from S1G STAThomas Pedersen
The sending STA type is implicit based on beacon or probe response content. If sending STA was an S1G STA, adjust the Information Element location accordingly. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200922022818.15855-9-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28cfg80211: parse S1G Operation element for BSS channelThomas Pedersen
Extract the BSS primary channel from the S1G Operation element. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200922022818.15855-7-thomas@adapt-ip.com [remove the goto bits] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28cfg80211: convert S1G beacon to scan resultsThomas Pedersen
The S1G beacon is an extension frame as opposed to management frame for the regular beacon. This means we may have to occasionally cast the frame buffer to a different header type. Luckily this isn't too bad as scan results mostly only care about the IEs. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200922022818.15855-6-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28nl80211: support S1G capability overrides in assocThomas Pedersen
NL80211_ATTR_S1G_CAPABILITY can be passed along with NL80211_ATTR_S1G_CAPABILITY_MASK to NL80211_CMD_ASSOCIATE to indicate S1G capabilities which should override the hardware capabilities in eg. the association request. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200922022818.15855-4-thomas@adapt-ip.com [johannes: always require both attributes together, commit message] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28wireless: radiotap: fix some kernel-docJohannes Berg
The vendor namespaces argument isn't described here, add it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200924192511.2bf5cc761d3a.I9b4579ab3eebe3d7889b59eea8fa50d683611bab@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-28nl80211/cfg80211: support 6 GHz scanningTova Mussai
Support 6 GHz scanning, by * a new scan flag to scan for colocated BSSes advertised by (and found) APs on 2.4 & 5 GHz * doing the necessary reduced neighbor report parsing for this, to find them * adding the ability to split the scan request in case the device by itself cannot support this. Also add some necessary bits in mac80211 to not break with these changes. Signed-off-by: Tova Mussai <tova.mussai@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200918113313.232917c93af9.Ida22f0212f9122f47094d81659e879a50434a6a2@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
Two minor conflicts: 1) net/ipv4/route.c, adding a new local variable while moving another local variable and removing it's initial assignment. 2) drivers/net/dsa/microchip/ksz9477.c, overlapping changes. One pretty prints the port mode differently, whilst another changes the driver to try and obtain the port mode from the port node rather than the switch node. Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-18nl80211: Unsolicited broadcast probe response supportAloka Dixit
This patch adds new attributes to support unsolicited broadcast probe response transmission used for in-band discovery in 6GHz band (IEEE P802.11ax/D6.0 26.17.2.3.2, AP behavior for fast passive scanning). The new attribute, NL80211_ATTR_UNSOL_BCAST_PROBE_RESP, is nested which supports following parameters: (1) NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT - Packet interval (2) NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL - Template data Signed-off-by: Aloka Dixit <alokad@codeaurora.org> Link: https://lore.kernel.org/r/010101747a946698-aac263ae-2ed3-4dab-9590-0bc7131214e1-000000@us-west-2.amazonses.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18nl80211: Add FILS discovery supportAloka Dixit
FILS discovery attribute, NL80211_ATTR_FILS_DISCOVERY, is nested which supports following parameters as given in IEEE Std 802.11ai-2016, Annex C.3 MIB detail: (1) NL80211_FILS_DISCOVERY_ATTR_INT_MIN - Minimum packet interval (2) NL80211_FILS_DISCOVERY_ATTR_INT_MAX - Maximum packet interval (3) NL80211_FILS_DISCOVERY_ATTR_TMPL - Template data Signed-off-by: Aloka Dixit <alokad@codeaurora.org> Link: https://lore.kernel.org/r/20200805011838.28166-2-alokad@codeaurora.org [fix attribute and other names, use NLA_RANGE(), use policy only once] Link: https://lore.kernel.org/r/010101747a7b38a8-306f06b2-9061-4baf-81c1-054a42a18e22-000000@us-west-2.amazonses.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18nl80211: support setting S1G channelsThomas Pedersen
S1G channels have a single width defined per frequency, so derive it from the channel flags with ieee80211_s1g_channel_width(). Also support setting an S1G channel where control frequency may differ from operating, and add some basic validation to ensure the control channel is with the operating. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200908190323.15814-6-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18nl80211: correctly validate S1G beacon headThomas Pedersen
The S1G beacon has a different header size than regular beacons, so adjust the beacon head validator. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200908190323.15814-5-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18cfg80211: regulatory: handle S1G channelsThomas Pedersen
S1G channels have a minimum bandwidth of 1Mhz, and there is a 1:1 mapping of allowed bandwidth to channel number. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200908190323.15814-4-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18nl80211: advertise supported channel width in S1GThomas Pedersen
S1G supports 5 channel widths: 1, 2, 4, 8, and 16. One channel width is allowed per frequency in each operating class, so it makes more sense to advertise the specific channel width allowed. Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com> Link: https://lore.kernel.org/r/20200908190323.15814-3-thomas@adapt-ip.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18lib80211: Remove unused macro DRV_NAMEYueHaibing
There is no caller in tree any more. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Link: https://lore.kernel.org/r/20200829115506.17828-1-yuehaibing@huawei.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18cfg80211: fix 6 GHz channel conversionJohannes Berg
We shouldn't accept any channels bigger than 233, fix that. Reported-by: Amar <asinghal@codeaurora.org> Fixes: d1a1646c0de7 ("cfg80211: adapt to new channelization of the 6GHz band") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200917115222.312ba6f1d461.I3a8c8fbcc3cc019814fd9cd0aced7eb591626136@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-18lib80211: fix unmet direct dependendices config warning when !CRYPTONecip Fazil Yildiran
When LIB80211_CRYPT_CCMP is enabled and CRYPTO is disabled, it results in unmet direct dependencies config warning. The reason is that LIB80211_CRYPT_CCMP selects CRYPTO_AES and CRYPTO_CCM, which are subordinate to CRYPTO. This is reproducible with CRYPTO disabled and R8188EU enabled, where R8188EU selects LIB80211_CRYPT_CCMP but does not select or depend on CRYPTO. Honor the kconfig menu hierarchy to remove kconfig dependency warnings. Fixes: a11e2f85481c ("lib80211: use crypto API ccm(aes) transform for CCMP processing") Signed-off-by: Necip Fazil Yildiran <fazilyildiran@gmail.com> Link: https://lore.kernel.org/r/20200909095452.3080-1-fazilyildiran@gmail.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-09-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
We got slightly different patches removing a double word in a comment in net/ipv4/raw.c - picked the version from net. Simple conflict in drivers/net/ethernet/ibm/ibmvnic.c. Use cached values instead of VNIC login response buffer (following what commit 507ebe6444a4 ("ibmvnic: Fix use-after-free of VNIC login response buffer") did). Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-09-03Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds
Pull networking fixes from David Miller: 1) Use netif_rx_ni() when necessary in batman-adv stack, from Jussi Kivilinna. 2) Fix loss of RTT samples in rxrpc, from David Howells. 3) Memory leak in hns_nic_dev_probe(), from Dignhao Liu. 4) ravb module cannot be unloaded, fix from Yuusuke Ashizuka. 5) We disable BH for too lokng in sctp_get_port_local(), add a cond_resched() here as well, from Xin Long. 6) Fix memory leak in st95hf_in_send_cmd, from Dinghao Liu. 7) Out of bound access in bpf_raw_tp_link_fill_link_info(), from Yonghong Song. 8) Missing of_node_put() in mt7530 DSA driver, from Sumera Priyadarsini. 9) Fix crash in bnxt_fw_reset_task(), from Michael Chan. 10) Fix geneve tunnel checksumming bug in hns3, from Yi Li. 11) Memory leak in rxkad_verify_response, from Dinghao Liu. 12) In tipc, don't use smp_processor_id() in preemptible context. From Tuong Lien. 13) Fix signedness issue in mlx4 memory allocation, from Shung-Hsi Yu. 14) Missing clk_disable_prepare() in gemini driver, from Dan Carpenter. 15) Fix ABI mismatch between driver and firmware in nfp, from Louis Peens. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (110 commits) net/smc: fix sock refcounting in case of termination net/smc: reset sndbuf_desc if freed net/smc: set rx_off for SMCR explicitly net/smc: fix toleration of fake add_link messages tg3: Fix soft lockup when tg3_reset_task() fails. doc: net: dsa: Fix typo in config code sample net: dp83867: Fix WoL SecureOn password nfp: flower: fix ABI mismatch between driver and firmware tipc: fix shutdown() of connectionless socket ipv6: Fix sysctl max for fib_multipath_hash_policy drivers/net/wan/hdlc: Change the default of hard_header_len to 0 net: gemini: Fix another missing clk_disable_unprepare() in probe net: bcmgenet: fix mask check in bcmgenet_validate_flow() amd-xgbe: Add support for new port mode net: usb: dm9601: Add USB ID of Keenetic Plus DSL vhost: fix typo in error message net: ethernet: mlx4: Fix memory allocation in mlx4_buddy_init() pktgen: fix error message with wrong function name net: ethernet: ti: am65-cpsw: fix rmii 100Mbit link mode cxgb4: fix thermal zone device registration ...
2020-08-27nl80211: support SAE authentication offload in AP modeChung-Hsien Hsu
Let drivers advertise support for AP-mode SAE authentication offload with a new NL80211_EXT_FEATURE_SAE_OFFLOAD_AP flag. Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com> Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com> Link: https://lore.kernel.org/r/20200817073316.33402-4-stanley.hsu@cypress.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27nl80211: rename csa counter attributes countdown countersJohn Crispin
We want to reuse the attributes for other counters such as BSS color change. Rename them to more generic names. Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20200811080107.3615705-1-john@phrozen.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27nl80211: add support for setting fixed HE rate/gi/ltfMiles Hu
This patch adds the nl80211 structs, definitions, policies and parsing code required to pass fixed HE rate, GI and LTF settings. Signed-off-by: Miles Hu <milehu@codeaurora.org> Signed-off-by: John Crispin <john@phrozen.org> Link: https://lore.kernel.org/r/20200804081630.2013619-1-john@phrozen.org [fix comment] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27cfg80211: add helper fn for adjacent rule channelsMarkus Theil
Some usable channels are located in the union of adjacent regulatory rules, for example channel 144 in Germany. Enable them, by also checking if a channel spans two adjacent regulatory rules/frequency ranges. All flags involved are disabling things, therefore we can build the maximum by or-ing them together. Furthermore, take the maximum of DFS CAC time values and the minimum of allowed power of both adjacent channels in order to comply with both regulatory rules at the same time. Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de> Link: https://lore.kernel.org/r/20200803144353.305538-2-markus.theil@tu-ilmenau.de [remove unrelated comment changes] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27cfg80211: add helper fn for single rule channelsMarkus Theil
As a preparation to handle adjacent rule channels, factor out handling channels located in a single regulatory rule. Signed-off-by: Markus Theil <markus.theil@tu-ilmenau.de> Link: https://lore.kernel.org/r/20200803144353.305538-1-markus.theil@tu-ilmenau.de Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27nl80211: use NLA_POLICY_RANGE(NLA_BINARY, ...) for a few attributesJohannes Berg
We have a few attributes with minimum and maximum lengths that are not the same, use the new feature of being able to specify both in the policy to validate them, removing code and allowing this to be advertised to userspace in the policy export. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200819085642.8f12ffa14f33.I9d948d59870e521febcd79bb4a986b1de1dca47b@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27nl80211: clean up code/policy a bitJohannes Berg
Use the policy to validate minimum and exact lengths in some attributes that weren't previously covered in the right ways, and remove associated validation code. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Link: https://lore.kernel.org/r/20200805154714.3ba1e233cfa0.I5dc8109b7ab5c3f4ae925f903a30cc9b35753262@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: Convert to use the preferred fallthrough macroMiaohe Lin
Convert the uses of fallthrough comments to fallthrough macro. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Link: https://lore.kernel.org/r/20200822082323.45495-1-linmiaohe@huawei.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: wext_compat.c: delete duplicated wordRandy Dunlap
Drop the repeated word "be". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Link: https://lore.kernel.org/r/20200822231953.465-8-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: sme.c: delete duplicated wordRandy Dunlap
Drop the repeated word "is". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Link: https://lore.kernel.org/r/20200822231953.465-7-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: scan.c: delete or fix duplicated wordsRandy Dunlap
Drop repeated word "stored". Change "is is" to "it is". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Link: https://lore.kernel.org/r/20200822231953.465-6-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: reg.c: delete duplicated words + fix punctuationRandy Dunlap
Drop duplicated words "was" and "does". Fix "let's" apostrophe. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Link: https://lore.kernel.org/r/20200822231953.465-5-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27net: wireless: delete duplicated word + fix grammarRandy Dunlap
Drop the repeated word "Return" + fix verb. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Link: https://lore.kernel.org/r/20200822231953.465-4-rdunlap@infradead.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27cfg80211: Adjust 6 GHz frequency to channel conversionAmar Singhal
Adjust the 6 GHz frequency to channel conversion function, the other way around was previously handled. Signed-off-by: Amar Singhal <asinghal@codeaurora.org> Link: https://lore.kernel.org/r/1592599921-10607-1-git-send-email-asinghal@codeaurora.org [rewrite commit message, hard-code channel 2] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27cfg80211: regulatory: reject invalid hintsJohannes Berg
Reject invalid hints early in order to not cause a kernel WARN later if they're restored to or similar. Reported-by: syzbot+d451401ffd00a60677ee@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=d451401ffd00a60677ee Link: https://lore.kernel.org/r/20200819084648.13956-1-johannes@sipsolutions.net Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-27wireless: fix wrong 160/80+80 MHz settingShay Bar
Fix cfg80211_chandef_usable(): consider IEEE80211_VHT_CAP_EXT_NSS_BW when verifying 160/80+80 MHz. Based on: "Table 9-272 — Setting of the Supported Channel Width Set subfield and Extended NSS BW Support subfield at a STA transmitting the VHT Capabilities Information field" From "Draft P802.11REVmd_D3.0.pdf" Signed-off-by: Aviad Brikman <aviad.brikman@celeno.com> Signed-off-by: Shay Bar <shay.bar@celeno.com> Link: https://lore.kernel.org/r/20200826143139.25976-1-shay.bar@celeno.com [reformat the code a bit and use u32_get_bits()] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-23treewide: Use fallthrough pseudo-keywordGustavo A. R. Silva
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary fall-through markings when it is the case. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-08-20nl80211: fix NL80211_ATTR_HE_6GHZ_CAPABILITY usageJohannes Berg
In nl80211_set_station(), we check NL80211_ATTR_HE_6GHZ_CAPABILITY and then use NL80211_ATTR_HE_CAPABILITY, which is clearly wrong. Fix this to use NL80211_ATTR_HE_6GHZ_CAPABILITY as well. Cc: stable@vger.kernel.org Fixes: 43e64bf301fd ("cfg80211: handle 6 GHz capability of new station") Link: https://lore.kernel.org/r/20200805153516.310cef625955.I0abc04dc8abb2c7c005c88ef8fa2d0e3c9fb95c4@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2020-08-18netlink: consistently use NLA_POLICY_MIN_LEN()Johannes Berg
Change places that open-code NLA_POLICY_MIN_LEN() to use the macro instead, giving us flexibility in how we handle the details of the macro. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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