| Commit message (Collapse) | Author | Age | Files | Lines |
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The prerequisite for MLO support in cfg80211/mac80211 is that all the links
participating in MLO must be from the same wiphy/ieee80211_hw. To meet this
expectation, some drivers may need to group multiple discrete hardware each
acting as a link in MLO under single wiphy.
With this change, supported frequencies and interface combinations of each
individual radio are reported to user space. This allows user space to figure
out the limitations of what combination of channels can be used concurrently.
Even for non-MLO devices, this improves support for devices capable of
running on multiple channels at the same time.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/18a88f9ce82b1c9f7c12f1672430eaf2bb0be295.1720514221.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Create a helper function that puts the data from struct
ieee80211_iface_combination to a nl80211 message.
This will be used for adding per-radio interface combination data.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/22a0eee19dbcf98627239328bc66decd3395122c.1719919832.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When a key is requested by userspace, there's really no need
to include the key data, the sequence counter is really what
userspace needs in this case. The fact that it's included is
just a historic quirk.
Remove the key data.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240627104411.b6a4f097e4ea.I7e6cc976cb9e8a80ef25a3351330f313373b4578@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Highlights this time are:
- cfg80211/nl80211:
* improvements for 6 GHz regulatory flexibility
- mac80211:
* use generic netdev stats
* multi-link improvements/fixes
- brcmfmac:
* MFP support (to enable WPA3)
- wilc1000:
* suspend/resume improvements
- iwlwifi:
* remove support for older FW for new devices
* fast resume (keeping the device configured)
- wl18xx:
* support newer firmware versions
* tag 'wireless-next-2024-06-27' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (100 commits)
wifi: brcmfmac: of: Support interrupts-extended
wifi: brcmsmac: advertise MFP_CAPABLE to enable WPA3
net: rfkill: Correct return value in invalid parameter case
wifi: mac80211: fix NULL dereference at band check in starting tx ba session
wifi: iwlwifi: mvm: fix rs.h kernel-doc
wifi: iwlwifi: fw: api: datapath: fix kernel-doc
wifi: iwlwifi: fix remaining mistagged kernel-doc comments
wifi: iwlwifi: fix prototype mismatch kernel-doc warnings
wifi: iwlwifi: fix kernel-doc in iwl-fh.h
wifi: iwlwifi: fix kernel-doc in iwl-trans.h
wifi: iwlwifi: pcie: fix kernel-doc
wifi: iwlwifi: dvm: fix kernel-doc warnings
wifi: iwlwifi: mvm: don't log error for failed UATS table read
wifi: iwlwifi: trans: make bad state warnings
wifi: iwlwifi: fw: api: fix some kernel-doc
wifi: iwlwifi: mvm: remove init_dbg module parameter
wifi: iwlwifi: update the BA notification API
wifi: iwlwifi: mvm: always unblock EMLSR on ROC end
wifi: iwlwifi: mvm: use IWL_FW_CHECK for link ID check
wifi: iwlwifi: mvm: don't flush BSSes on restart with MLD API
...
====================
Link: https://patch.msgid.link/20240627114135.28507-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In NDP ranging, the number of NDP exchanges is not negotiated
and thus is not limited by the protocol. Remove the limit on
FTMs per burst for trigger based and non trigger based ranging.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240605135233.916e228537d9.I5fe4c1cefa1c1328726e7615dd5a0d861c694381@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a regulatory flag to allow VLP AP operation even on
channels otherwise marked NO_IR, which may be possible
in some regulatory domains/countries.
Note that this requires checking also when the beacon is
changed, since that may change the regulatory power type.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240523120945.63792ce19790.Ie2a02750d283b78fbf3c686b10565fb0388889e2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To later introduce an override for VLP APs being allowed despite
NO-IR flags, which is somewhat similar in construction to being
allowed to monitor on disabled channels, refactor the code that
checks channel flags to have not a 'monitor' argument but a set
of 'permitting' flags that permit the operation without checking
for 'prohibited' flags.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240523120945.3da28ded4a50.I90cffc633d0510293d511f60097dc75e719b55f0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It may be possible to monitor on disabled channels per the
can-monitor flag, but evidently I forgot to expose that out
to userspace. Fix that.
Fixes: a110a3b79177 ("wifi: cfg80211: optionally support monitor on disabled channels")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://msgid.link/20240523120945.9a2c19a51e53.I50fa1b1a18b70f63a5095131ac23dc2e71f3d426@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
e3f02f32a050 ("ionic: fix kernel panic due to multi-buffer handling")
d9c04209990b ("ionic: Mark error paths in the data path as unlikely")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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syzbot is able to trigger softlockups, setting NL80211_ATTR_TXQ_QUANTUM
to 2^31.
We had a similar issue in sch_fq, fixed with commit
d9e15a273306 ("pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM")
watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [kworker/1:0:24]
Modules linked in:
irq event stamp: 131135
hardirqs last enabled at (131134): [<ffff80008ae8778c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last enabled at (131134): [<ffff80008ae8778c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (131135): [<ffff80008ae85378>] __el1_irq arch/arm64/kernel/entry-common.c:533 [inline]
hardirqs last disabled at (131135): [<ffff80008ae85378>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:551
softirqs last enabled at (125892): [<ffff80008907e82c>] neigh_hh_init net/core/neighbour.c:1538 [inline]
softirqs last enabled at (125892): [<ffff80008907e82c>] neigh_resolve_output+0x268/0x658 net/core/neighbour.c:1553
softirqs last disabled at (125896): [<ffff80008904166c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 24 Comm: kworker/1:0 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: mld mld_ifc_work
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_del include/linux/list.h:195 [inline]
pc : __list_del_entry include/linux/list.h:218 [inline]
pc : list_move_tail include/linux/list.h:310 [inline]
pc : fq_tin_dequeue include/net/fq_impl.h:112 [inline]
pc : ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854
lr : __list_del_entry include/linux/list.h:218 [inline]
lr : list_move_tail include/linux/list.h:310 [inline]
lr : fq_tin_dequeue include/net/fq_impl.h:112 [inline]
lr : ieee80211_tx_dequeue+0x67c/0x3b4c net/mac80211/tx.c:3854
sp : ffff800093d36700
x29: ffff800093d36a60 x28: ffff800093d36960 x27: dfff800000000000
x26: ffff0000d800ad50 x25: ffff0000d800abe0 x24: ffff0000d800abf0
x23: ffff0000e0032468 x22: ffff0000e00324d4 x21: ffff0000d800abf0
x20: ffff0000d800abf8 x19: ffff0000d800abf0 x18: ffff800093d363c0
x17: 000000000000d476 x16: ffff8000805519dc x15: ffff7000127a6cc8
x14: 1ffff000127a6cc8 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff7000127a6cc8 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80009287aa08 x4 : 0000000000000008 x3 : ffff80008034c7fc
x2 : ffff0000e0032468 x1 : 00000000da0e46b8 x0 : ffff0000e0032470
Call trace:
__list_del include/linux/list.h:195 [inline]
__list_del_entry include/linux/list.h:218 [inline]
list_move_tail include/linux/list.h:310 [inline]
fq_tin_dequeue include/net/fq_impl.h:112 [inline]
ieee80211_tx_dequeue+0x6b8/0x3b4c net/mac80211/tx.c:3854
wake_tx_push_queue net/mac80211/util.c:294 [inline]
ieee80211_handle_wake_tx_queue+0x118/0x274 net/mac80211/util.c:315
drv_wake_tx_queue net/mac80211/driver-ops.h:1350 [inline]
schedule_and_wake_txq net/mac80211/driver-ops.h:1357 [inline]
ieee80211_queue_skb+0x18e8/0x2244 net/mac80211/tx.c:1664
ieee80211_tx+0x260/0x400 net/mac80211/tx.c:1966
ieee80211_xmit+0x278/0x354 net/mac80211/tx.c:2062
__ieee80211_subif_start_xmit+0xab8/0x122c net/mac80211/tx.c:4338
ieee80211_subif_start_xmit+0xe0/0x438 net/mac80211/tx.c:4532
__netdev_start_xmit include/linux/netdevice.h:4903 [inline]
netdev_start_xmit include/linux/netdevice.h:4917 [inline]
xmit_one net/core/dev.c:3531 [inline]
dev_hard_start_xmit+0x27c/0x938 net/core/dev.c:3547
__dev_queue_xmit+0x1678/0x33fc net/core/dev.c:4341
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
neigh_resolve_output+0x558/0x658 net/core/neighbour.c:1563
neigh_output include/net/neighbour.h:542 [inline]
ip6_finish_output2+0x104c/0x1ee8 net/ipv6/ip6_output.c:137
ip6_finish_output+0x428/0x7a0 net/ipv6/ip6_output.c:222
NF_HOOK_COND include/linux/netfilter.h:303 [inline]
ip6_output+0x270/0x594 net/ipv6/ip6_output.c:243
dst_output include/net/dst.h:450 [inline]
NF_HOOK+0x160/0x4f0 include/linux/netfilter.h:314
mld_sendpack+0x7b4/0x10f4 net/ipv6/mcast.c:1818
mld_send_cr net/ipv6/mcast.c:2119 [inline]
mld_ifc_work+0x840/0xd0c net/ipv6/mcast.c:2650
process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267
process_scheduled_works kernel/workqueue.c:3348 [inline]
worker_thread+0x938/0xef4 kernel/workqueue.c:3429
kthread+0x288/0x310 kernel/kthread.c:388
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
Fixes: 52539ca89f36 ("cfg80211: Expose TXQ stats and parameters to userspace")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240615160800.250667-1-edumazet@google.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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There's no need to allocate a tiny struct and then
an array again, just allocate the two together and
use __counted_by(). Also unify the freeing.
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240523120213.48a40cfb96f9.Ia02bf8f8fefbf533c64c5fa26175848d4a3a7899@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Just like it's not currently possible to start radar
detection while already operating, it shouldn't be
possible to start operating while radar detection is
running. Fix that.
Also, improve the check whether operating (carrier
might not be up if e.g. attempting to join IBSS).
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240506211158.ae8dca3d0d6c.I7c70a66a5fbdbc63a78fee8a34f31d1995491bc3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Setting the AP channel width is meant for use with the normal
20/40/... MHz channel width progression, and switching around
in S1G or narrow channels isn't supported. Disallow that.
Reported-by: syzbot+bc0f5b92cc7091f45fb6@syzkaller.appspotmail.com
Link: https://msgid.link/20240515141600.d4a9590bfe32.I19a32d60097e81b527eafe6b0924f6c5fbb2dc45@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Given how late we are in the cycle, merge the two fixes from
wireless into wireless-next as they don't see that urgent.
This way, the wireless tree won't need rebasing later.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Before request->channels[] can be used, request->n_channels must be set.
Additionally, address calculations for memory after the "channels" array
need to be calculated from the allocation base ("request") rather than
via the first "out of bounds" index of "channels", otherwise run-time
bounds checking will throw a warning.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Fixes: e3eac9f32ec0 ("wifi: cfg80211: Annotate struct cfg80211_scan_request with __counted_by")
Signed-off-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Link: https://msgid.link/20240424220057.work.819-kees@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, during color change, no link id information is passed down.
In order to support color change during Multi Link Operation, it is
required to pass link id as well.
Additionally, update notification APIs to allow drivers/mac80211 to
pass the link ID.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240422053412.2024075-2-quic_adisi@quicinc.com
Link: https://msgid.link/20240422053412.2024075-3-quic_adisi@quicinc.com
[squash, actually only pass 0 from mac80211]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/ti/icssg/icssg_prueth.c
net/mac80211/chan.c
89884459a0b9 ("wifi: mac80211: fix idle calculation with multi-link")
87f5500285fb ("wifi: mac80211: simplify ieee80211_assign_link_chanctx()")
https://lore.kernel.org/all/20240422105623.7b1fbda2@canb.auug.org.au/
net/unix/garbage.c
1971d13ffa84 ("af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().")
4090fa373f0e ("af_unix: Replace garbage collection algorithm.")
drivers/net/ethernet/ti/icssg/icssg_prueth.c
drivers/net/ethernet/ti/icssg/icssg_common.c
4dcd0e83ea1d ("net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()")
e2dc7bfd677f ("net: ti: icssg-prueth: Move common functions into a separate file")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the parsing fails, we can dereference a NULL pointer here.
Cc: stable@vger.kernel.org
Fixes: be29b99a9b51 ("cfg80211/nl80211: Add packet coalesce support")
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240418105220.b328f80406e7.Id75d961050deb05b3e4e354e024866f350c68103@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The return value of regulatory_hint_indoor() is always 0 for
success, and the return value of regulatory_hint_found_beacon()
is always ignored. Make them both have void return.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/mptcp/protocol.c
adf1bb78dab5 ("mptcp: fix snd_wnd initialization for passive socket")
9426ce476a70 ("mptcp: annotate lockless access for RX path fields")
https://lore.kernel.org/all/20240228103048.19255709@canb.auug.org.au/
Adjacent changes:
drivers/dpll/dpll_core.c
0d60d8df6f49 ("dpll: rely on rcu for netdev_dpll_pin()")
e7f8df0e81bf ("dpll: move xa_erase() call in to match dpll_pin_alloc() error path order")
drivers/net/veth.c
1ce7d306ea63 ("veth: try harder when allocating queue memory")
0bef512012b1 ("net: add netdev_lockdep_set_classes() to virtual drivers")
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
8c9bef26e98b ("wifi: iwlwifi: mvm: d3: implement suspend with MLO")
78f65fbf421a ("wifi: iwlwifi: mvm: ensure offloading TID queue exists")
net/wireless/nl80211.c
f78c1375339a ("wifi: nl80211: reject iftype change with mesh ID change")
414532d8aa89 ("wifi: cfg80211: use IEEE80211_MAX_MESH_ID_LEN appropriately")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It's currently possible to change the mesh ID when the
interface isn't yet in mesh mode, at the same time as
changing it into mesh mode. This leads to an overwrite
of data in the wdev->u union for the interface type it
currently has, causing cfg80211_change_iface() to do
wrong things when switching.
We could probably allow setting an interface to mesh
while setting the mesh ID at the same time by doing a
different order of operations here, but realistically
there's no userspace that's going to do this, so just
disallow changes in iftype when setting mesh ID.
Cc: stable@vger.kernel.org
Fixes: 29cbe68c516a ("cfg80211/mac80211: add mesh join/leave commands")
Reported-by: syzbot+dd4779978217b1973180@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The CSA offset parsing happens the same way for all of
beacon template offsets, probe response template offsets
and TX offsets (for using during probe response TX from
userspace directly).
Refactor the parsing here. There's an additional check
this introduces, which is that the number of counters in
TX offsets doesn't exceed the driver capability, but as
only two counters are used at most for anything, this is
hopefully OK.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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NL80211_CMD_EXTERNAL_AUTH
User-space supplicant (observed at least on wpa_supplicant) historically
parses the NL80211_ATTR_AKM_SUITES from the NL80211_CMD_EXTERNAL_AUTH
message as big endian _only_ when its value is WLAN_AKM_SUITE_SAE, while
processing anything else in host endian. This behavior makes any driver
relying on SAE external auth to switch AKM suite to big endian if it is
WLAN_AKM_SUITE_SAE. A fix bringing compatibility with both endianness
has been brought into wpa_supplicant, however we must keep compatibility
with older versions, while trying to reduce the occurences of this manual
conversion in wireless drivers.
Add the be32 conversion specifically on WLAN_AKM_SUITE_SAE in nl80211 layer
to keep compatibility with older wpa_supplicant versions.
Suggested-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Link: https://msgid.link/20240215-nl80211_fix_akm_suites_endianness-v1-1-57e902632f9d@bootlin.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Even if that's the same as IEEE80211_MAX_SSID_LEN, we really
should just use IEEE80211_MAX_MESH_ID_LEN for mesh, rather
than having the BUILD_BUG_ON()s.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add to cfg80211_wowlan_wakeup another wakeup reason -
unprot_deauth_disassoc.
To be set to true if the woke up was due to an
unprotected deauth or disassoc frame in MFP.
In that case report WOWLAN_TRIG_UNPROTECTED_DEAUTH_DISASSOC.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.a3d739850d03.I8f52a21c4f36d1af1f8068bed79e2f9cbf8289ef@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the hardware supports a disabled channel, it may in
some cases be possible to use monitor mode (without any
transmit) on it when it's otherwise disabled. Add a new
channel flag IEEE80211_CHAN_CAN_MONITOR that makes it
possible for a driver to indicate such a thing.
Make it per channel so drivers could have a choice with
it, perhaps it's only possible on some channels, perhaps
some channels are not supported at all, but still there
and marked disabled.
In _nl80211_parse_chandef() simplify the code and check
only for an unknown channel, _cfg80211_chandef_usable()
will later check for IEEE80211_CHAN_DISABLED anyway.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206164849.87fad3a21a09.I9116b2fdc2e2c9fd59a9273a64db7fcb41fc0328@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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UHB stands for "Ultra High Band", but this term doesn't really
exist in the spec. Rename all occurrences to "6 GHz", but keep
a few defines for userspace API compatibility.
Link: https://msgid.link/20240206164849.c9cfb9400839.I153db3b951934a1d84409c17fbe1f1d1782543fa@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently whenever NL80211_CMD_DEL_STATION command is called without any
MAC address, all stations present on that interface are flushed.
However with MLO there is a need to flush such stations only which are
using at least a particular link from the AP MLD interface.
For example - 2 GHz and 5 GHz are part of an AP MLD.
To this interface, following stations are connected -
1. One non-EHT STA on 2 GHz link.
2. One non-EHT STA on 5 GHz link.
3. One Multi-Link STA having 2 GHz and 5 GHz as active links.
Now if currently, NL80211_CMD_DEL_STATION is issued by the 2 GHz link
without any MAC address, it would flush all station entries. However,
flushing of station entry #2 at least is not desireable since it
is connected to 5 GHz link alone.
Hence, add an option to pass link ID as well in the command so that if link
ID is passed, stations using that passed link ID alone would be flushed
and others will not.
So after this, station entries #1 and #3 alone would be flushed and #2 will
remain as it is.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240205162952.1697646-2-quic_adisi@quicinc.com
[clarify documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Currently, during channel switch, no link id information is passed down.
In order to support channel switch during Multi Link Operation, it is
required to pass link id as well.
Add changes to pass link id in the channel_switch cfg80211_ops.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://msgid.link/20240130140918.1172387-2-quic_adisi@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Aloka originally suggested that puncturing should be part of
the chandef, so that it's treated correctly. At the time, I
disagreed and it ended up not part of the chandef, but I've
now realized that this was wrong. Even for clients, the RX,
and perhaps more importantly, CCA configuration needs to take
puncturing into account.
Move puncturing into the chandef, and adjust all the code
accordingly. Also add a few tests for puncturing in chandef
compatibility checking.
Link: https://lore.kernel.org/linux-wireless/20220214223051.3610-1-quic_alokad@quicinc.com/
Suggested-by: Aloka Dixit <quic_alokad@quicinc.com>
Link: https://msgid.link/20240129194108.307183a5d2e5.I4d7fe2f126b2366c1312010e2900dfb2abffa0f6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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For a contiguous mask (starting with bit 0) of allowed values
in a bitmap, it's equivalent to check "!(val & ~mask)" and
"val ∈ [0, mask]". Use that to move the WPA versions check to
the policy, for better error reporting.
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://msgid.link/20240129195421.e8cae9866ccb.I2539b395e3476307d702c6867e51a937e52e57a0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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sched scan"
This *mostly* reverts commit 1e1b11b6a111 ("nl80211/cfg80211: Specify
band specific min RSSI thresholds with sched scan").
During the review of a new patch [1] it was observed that the
functionality being modified was not actually being used by any
in-tree driver. Further research determined that the functionality was
originally introduced to support a new Android interface, but that
interface was subsequently abandoned. Since the functionality has
apparently never been used, remove it. However, to mantain the
sanctity of the UABI, keep the nl80211.h assignments, but clearly mark
them as obsolete.
Cc: Lin Ma <linma@zju.edu.cn>
Cc: Vamsi Krishna <quic_vamsin@quicinc.com>
Link: https://lore.kernel.org/linux-wireless/20240119151201.8670-1-linma@zju.edu.cn/ [1]
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://msgid.link/20240125-for-next-v1-1-fd79e01c6c09@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When going into an MLO connection, validate that the link IDs
match what userspace indicated, and that the AP MLD addresses
and capabilities are all matching between the links.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.ff83c034cb9a.I9962db0bfa8c73b37b8d5b59a3fad7f02f2129ae@changeid
[roll in extra fix from Miri to actually check the return value]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add SPP (signaling and payload protected) AMSDU support.
Since userspace has to build the RSNX element, add an extended
feature flag to indicate that this is supported.
In order to avoid downgrade/mismatch attacks, add a flag to the assoc
command on the station side, so that we can be sure that the value of
the flag comes from the same RSNX element that will be validated by
the supplicant against the 4-way-handshake. If we just pulled the
data out of a beacon/probe response, we could theoretically look an
RSNX element from a different frame, with a different value for this
flag, than the supplicant is using to validate in the
4-way-handshake.
Note that this patch is only geared towards software crypto
implementations or hardware ones that can perfectly implement SPP
A-MSDUs, i.e. are able to switch the AAD construction on the fly for
each TX/RX frame.
For more limited hardware implementations, more capability
advertisement would be required, e.g. if the hardware has no way
to switch this on the fly but has only a global configuration that
must apply to all stations.
The driver could of course *reject* mismatches, but the supplicant
must know so it can do things like not negotiating SPP A-MSDUs on
a T-DLS link when connected to an AP that doesn't support it, or
similar.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.fadac8df7030.I9240aebcba1be49636a73c647ed0af862713fc6f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.8-rc2
The most visible fix here is the ath11k crash fix which was introduced
in v6.7. We also have a fix for iwlwifi memory corruption and few
smaller fixes in the stack.
* tag 'wireless-2024-01-22' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac80211: fix race condition on enabling fast-xmit
wifi: iwlwifi: fix a memory corruption
wifi: mac80211: fix potential sta-link leak
wifi: cfg80211/mac80211: remove dependency on non-existing option
wifi: cfg80211: fix missing interfaces when dumping
wifi: ath11k: rely on mac80211 debugfs handling for vif
wifi: p54: fix GCC format truncation warning with wiphy->fw_version
====================
Link: https://lore.kernel.org/r/20240122153434.E0254C433C7@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The nl80211_dump_interface() supports resumption
in case nl80211_send_iface() doesn't have the
resources to complete its work.
The logic would store the progress as iteration
offsets for rdev and wdev loops.
However the logic did not properly handle
resumption for non-last rdev. Assuming a system
with 2 rdevs, with 2 wdevs each, this could
happen:
dump(cb=[0, 0]):
if_start=cb[1] (=0)
send rdev0.wdev0 -> ok
send rdev0.wdev1 -> yield
cb[1] = 1
dump(cb=[0, 1]):
if_start=cb[1] (=1)
send rdev0.wdev1 -> ok
// since if_start=1 the rdev0.wdev0 got skipped
// through if_idx < if_start
send rdev1.wdev1 -> ok
The if_start needs to be reset back to 0 upon wdev
loop end.
The problem is actually hard to hit on a desktop,
and even on most routers. The prerequisites for
this manifesting was:
- more than 1 wiphy
- a few handful of interfaces
- dump without rdev or wdev filter
I was seeing this with 4 wiphys 9 interfaces each.
It'd miss 6 interfaces from the last wiphy
reported to userspace.
Signed-off-by: Michal Kazior <michal@plume.com>
Link: https://msgid.link/20240116142340.89678-1-kazikcz@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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UHB AP send supported power type(LPI, SP, VLP)
in beacon and probe response IE and STA should
connect to these AP only if their regulatory support
the AP power type.
Beacon/Probe response are reported to userspace
with reason "STA regulatory not supporting to connect to AP
based on transmitted power type" and it should
not connect to AP.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.cbfbef9170a9.I432f78438de18aa9f5c9006be12e41dc34cc47c5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Due to different relaxation policies it may be needed to re-check
channels after a BSS station interface is disconnected or performed a
channel switch.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.1f2f8475bcf1.I1879d259d8d756159c8060f61f4bce172e6d323e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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FCC-594280 D01 Section B.3 allows peer-to-peer and ad hoc devices to
operate on DFS channels while they operate under the control of a
concurrent DFS master. For example, it is possible to have a P2P GO on a
DFS channel as long as BSS connection is active on the same channel.
Allow such operation by adding additional regulatory flags to indicate
DFS concurrent channels and capable devices. Add the required
relaxations in DFS regulatory checks.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.bdfb8a9c7c54.I973563562969a27fea8ec5685b96a3a47afe142f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.8
The second features pull request for v6.8. A bigger one this time with
changes both to stack and drivers. We have a new Wifi band RFI (WBRF)
mitigation feature for which we pulled an immutable branch shared with
other subsystems. And, as always, other new features and bug fixes all
over.
Major changes:
cfg80211/mac80211
* AMD ACPI based Wifi band RFI (WBRF) mitigation feature
* Basic Service Set (BSS) usage reporting
* TID to link mapping support
* mac80211 hardware flag to disallow puncturing
iwlwifi
* new debugfs file fw_dbg_clear
mt76
* NVMEM EEPROM improvements
* mt7996 Extremely High Throughpu (EHT) improvements
* mt7996 Wireless Ethernet Dispatcher (WED) support
* mt7996 36-bit DMA support
ath12k
* support one MSI vector
* WCN7850: support AP mode
* tag 'wireless-next-2023-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (207 commits)
wifi: mt76: mt7996: Use DECLARE_FLEX_ARRAY() and fix -Warray-bounds warnings
wifi: ath11k: workaround too long expansion sparse warnings
Revert "wifi: ath12k: use ATH12K_PCI_IRQ_DP_OFFSET for DP IRQ"
wifi: rt2x00: remove useless code in rt2x00queue_create_tx_descriptor()
wifi: rtw89: only reset BB/RF for existing WiFi 6 chips while starting up
wifi: rtw89: add DBCC H2C to notify firmware the status
wifi: rtw89: mac: add suffix _ax to MAC functions
wifi: rtw89: mac: add flags to check if CMAC and DMAC are enabled
wifi: rtw89: 8922a: add power on/off functions
wifi: rtw89: add XTAL SI for WiFi 7 chips
wifi: rtw89: phy: print out RFK log with formatted string
wifi: rtw89: parse and print out RFK log from C2H events
wifi: rtw89: add C2H event handlers of RFK log and report
wifi: rtw89: load RFK log format string from firmware file
wifi: rtw89: fw: add version field to BB MCU firmware element
wifi: rtw89: fw: load TX power track tables from fw_element
wifi: mwifiex: configure BSSID consistently when starting AP
wifi: mwifiex: add extra delay for firmware ready
wifi: mac80211: sta_info.c: fix sentence grammar
wifi: mac80211: rx.c: fix sentence grammar
...
====================
Link: https://lore.kernel.org/r/20231218163900.C031DC433C9@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ENOTSUPP isn't a standard error code, don't use it.
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.0214b6c79756.I2536bc8426ae15c8cff7ad199e57f06e2e404f13@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add support for setting the TID to link mapping for a non-AP MLD
station.
This is useful in cases user space needs to restrict the possible
set of active links, e.g., since it got a BSS Transition Management
request forcing to use only a subset of the valid links etc.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.da4d56a5f3ff.Iacf88e943326bf9c169c49b728c4a3445fdedc97@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Sometimes there may be reasons for which a BSS that's
actually found in scan cannot be used to connect to,
for example a nonprimary link of an NSTR mobile AP MLD
cannot be used for normal direct connections to it.
Not indicating these to userspace as we do now of course
avoids being able to connect to them, but it's better if
they're shown to userspace and it can make an appropriate
decision, without e.g. doing an additional ML probe.
Thus add an indication of what a BSS can be used for,
currently "normal" and "MLD link", including a reason
bitmap for it being not usable.
The latter can be extended later for certain BSSes if there
are other reasons they cannot be used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231211085121.0464f25e0b1d.I9f70ca9f1440565ad9a5207d0f4d00a20cca67e7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Current handling of del pmksa with SSID is limited to FILS
security. In the current change the del pmksa support is extended
to SAE/OWE security offloads as well. For OWE/SAE offloads, the
PMK is generated and cached at driver/FW, so user app needs the
capability to request cache deletion based on SSID for drivers
supporting SAE/OWE offload.
Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Link: https://msgid.link/ecdae726459e0944c377a6a6f6cb2c34d2e057d0.1701262123.git.vinayak.yadawad@broadcom.com
[drop whitespace-damaged rdev_ops pointer completely, enabling tracing]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is just a collection of data and we only read it,
so make it const.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This function has so many arguments already, before adding
yet another one, refactor it to take a struct instead.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Cross-merge networking fixes after downstream PR.
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Given all the locking rework in mac80211, we pretty much
need to get into the driver with the wiphy mutex held in
all callbacks. This is already mostly the case, but as
Johan reported, in the get_txpower it may not be true.
Lock the wiphy mutex around nl80211_send_iface(), then
is also around callers of nl80211_notify_iface(). This
is easy to do, fixes the problem, and aligns the locking
between various calls to it in different parts of the
code of cfg80211.
Fixes: 0e8185ce1dde ("wifi: mac80211: check wiphy mutex in ops")
Reported-by: Johan Hovold <johan@kernel.org>
Closes: https://lore.kernel.org/r/ZVOXX6qg4vXEx8dX@hovoldconsulting.com
Tested-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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My prior race fix here broke CQM when ranges aren't used, as
the reporting worker now requires the cqm_config to be set in
the wdev, but isn't set when there's no range configured.
Rather than continuing to special-case the range version, set
the cqm_config always and configure accordingly, also tracking
if range was used or not to be able to clear the configuration
appropriately with the same API, which was actually not right
if both were implemented by a driver for some reason, as is
the case with mac80211 (though there the implementations are
equivalent so it doesn't matter.)
Also, the original multiple-RSSI commit lost checking for the
callback, so might have potentially crashed if a driver had
neither implementation, and userspace tried to use it despite
not being advertised as supported.
Cc: stable@vger.kernel.org
Fixes: 4a4b8169501b ("cfg80211: Accept multiple RSSI thresholds for CQM")
Fixes: 37c20b2effe9 ("wifi: cfg80211: fix cqm_config access race")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To extend the support of TSF accounting in scan results for MLO
connections, allow to indicate in the scan request the link ID
corresponding to the BSS whose TSF should be used for the TSF
accounting.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231113112844.d4490bcdefb1.I8fcd158b810adddef4963727e9153096416b30ce@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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