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There are still surprisingly many non-chanctx drivers, but in
mac80211 that code is a bit awkward. Simplify this by having
those drivers assign 'emulated' ops, so that the mac80211 code
can be more unified between non-chanctx/chanctx drivers. This
cuts the number of places caring about it by about 15, which
are scattered across - now they're fewer and no longer in the
channel context handling.
Link: https://msgid.link/20240129194108.6d0ead50f5cf.I60d093b2fc81ca1853925a4d0ac3a2337d5baa5b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
bcm4331 seems to not function correctly with QoS support. This may be due
to issues with currently available firmware or potentially a device
specific issue.
When queues that are not of the default "best effort" priority are
selected, traffic appears to not transmit out of the hardware while no
errors are returned. This behavior is present among all the other priority
queues: video, voice, and background. While this can be worked around by
setting a kernel parameter, the default behavior is problematic for most
users and may be difficult to debug. This patch offers a working out-of-box
experience for bcm4331 users.
Log of the issue (using ssh low-priority traffic as an example):
ssh -T -vvvv git@github.com
OpenSSH_9.6p1, OpenSSL 3.0.12 24 Oct 2023
debug1: Reading configuration data /etc/ssh/ssh_config
debug2: checking match for 'host * exec "/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0rypm7sh1i8js8w-gnupg-2.4.1/bin/gpg-connect-agent --quiet updatestartuptty /bye >/dev/null 2>&1'"' host github.com originally github.com
debug3: /etc/ssh/ssh_config line 5: matched 'host "github.com"'
debug1: Executing command: '/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0rypm7sh1i8js8w-gnupg-2.4.1/bin/gpg-connect-agent --quiet updatestartuptty /bye >/dev/null 2>&1''
debug3: command returned status 0
debug3: /etc/ssh/ssh_config line 5: matched 'exec "/nix/store/q1c2flcykgr4wwg5a6h450hxbk4ch589-bash-5.2-p15/bin/bash -c '/nix/store/c015armnkhr6v18za0r"'
debug2: match found
debug1: /etc/ssh/ssh_config line 9: Applying options for *
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/home/binary-eater/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/home/binary-eater/.ssh/known_hosts2'
debug2: resolving "github.com" port 22
debug3: resolve_host: lookup github.com:22
debug3: channel_clear_timeouts: clearing
debug3: ssh_connect_direct: entering
debug1: Connecting to github.com [192.30.255.113] port 22.
debug3: set_sock_tos: set socket 3 IP_TOS 0x48
Fixes: e6f5b934fba8 ("b43: Add QOS support")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-5-sergeantsagara@protonmail.com
When QoS is disabled, the queue priority value will not map to the correct
ieee80211 queue since there is only one queue. Stop queue 0 when QoS is
disabled to prevent trying to stop a non-existent queue and failing to stop
the actual queue instantiated.
Fixes: bad691946966 ("b43: avoid packet losses in the dma worker code.")
Signed-off-by: Rahul Rameshbabu <sergeantsagara@protonmail.com>
Reviewed-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231231050300.122806-4-sergeantsagara@protonmail.com
Commit 399500da18f7 ("ssb: pick PCMCIA host code support from b43 driver")
removes the config B43_PCMCIA.
Clean up the last reference to this removed config B43_PCMCIA in the
b43_print_driverinfo() function.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20221122131248.23738-1-lukas.bulwahn@gmail.com
mac80211 is fully switching over to the internal TX queue (iTXQ)
implementation. Update all drivers not yet providing the now mandatory
wake_tx_queue() callback.
As an side effect the netdev interfaces of all updated drivers will
switch to the noqueue qdisc.
Signed-off-by: Alexander Wetzel <alexander@wetzel-home.de>
[add staging drivers]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
No need to initialise static variables to zero.
Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
[kvalo@kernel.org: improve commit log]
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220720194245.8442-1-gaoxin@cdjrlc.com
Pass the link id through to the get_beacon and return
the beacon for a specific link id.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Split the bss_info_changed method to vif_cfg_changed and
link_info_changed, with the latter getting a link ID.
Also change the 'changed' parameter to u64 already, we
know we need that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes the following W=1 kernel build warning(s):
drivers/net/wireless/broadcom/b43/main.c: In function ‘b43_dummy_transmission’:
drivers/net/wireless/broadcom/b43/main.c:785:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
drivers/net/wireless/broadcom/b43/main.c: In function ‘b43_do_interrupt_thread’:
drivers/net/wireless/broadcom/b43/main.c:2017:3: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Martin Langer <martin-langer@gmx.de>
Cc: Stefano Brivio <stefano.brivio@polimi.it>
Cc: Michael Buesch <m@bues.ch>
Cc: van Dyk <kugelfang@gentoo.org>
Cc: Andreas Jaggi <andreas.jaggi@waterwave.ch>
Cc: Albert Herranz <albert_herranz@yahoo.es>
Cc: linux-wireless@vger.kernel.org
Cc: b43-dev@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200814113933.1903438-8-lee.jones@linaro.org
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200719110115.58085-1-grandmaster@al2klimov.de
In some b43 files, the wiki url is still the old
"wireless.kernel.org" instead of the new
"wireless.wiki.kernel.org"
Signed-off-by: Flavio Suligoi <f.suligoi@asem.it>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200605154112.16277-6-f.suligoi@asem.it
Since the driver was first introduced into the kernel, it has only
handled the ciphers associated with WEP, WPA, and WPA2. It fails with
WPA3 even though mac80211 can handle those additional ciphers in software,
b43 did not report that it could handle them. By setting MFP_CAPABLE using
ieee80211_set_hw(), the problem is fixed.
With this change, b43 will handle the ciphers it knows in hardware,
and let mac80211 handle the others in software. It is not necessary to
use the module parameter NOHWCRYPT to turn hardware encryption off.
Although this change essentially eliminates that module parameter,
I am choosing to keep it for cases where the hardware is broken,
and software encryption is required for all ciphers.
Reported-and-tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200526155909.5807-2-Larry.Finger@lwfinger.net
use true/false on bool type variable assignment.
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
In b43_request_firmware(), when ieee80211_register_hw() fails,
b43_one_core_detach() is called. In b43_bcma_remove() and
b43_ssb_remove(), b43_one_core_detach() is called again. In this case,
null-pointer dereferences and double-free problems can occur when
the driver is removed.
To fix this bug, the call to b43_one_core_detach() in
b43_request_firmware() is deleted.
This bug is found by a runtime fuzzing tool named FIZZER written by us.
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program see the file copying if not write to the free
software foundation inc 51 franklin steet fifth floor boston ma
02110 1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 41 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154042.524645346@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mmiowb() is now implied by spin_unlock() on architectures that require
it, so there is no reason to call it from driver code. This patch was
generated using coccinelle:
@mmiowb@
@@
- mmiowb();
and invoked as:
$ for d in drivers include/linux/qed sound; do \
spatch --include-headers --sp-file mmiowb.cocci --dir $d --in-place; done
NOTE: mmiowb() has only ever guaranteed ordering in conjunction with
spin_unlock(). However, pairing each mmiowb() removal in this patch with
the corresponding call to spin_unlock() is not at all trivial, so there
is a small chance that this change may regress any drivers incorrectly
relying on mmiowb() to order MMIO writes between CPUs using lock-free
synchronisation. If you've ended up bisecting to this commit, you can
reintroduce the mmiowb() calls using wmb() instead, which should restore
the old behaviour on all architectures other than some esoteric ia64
systems.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/broadcom/b43/main.c: In function 'b43_one_core_detach':
drivers/net/wireless/broadcom/b43/main.c:5496:17: warning:
variable 'wl' set but not used [-Wunused-but-set-variable]
After commit 644aa4d62096 ("b43: remove list of IEEE 802.11 devices")
'wl' is not used any more.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Trivial fix to spelling mistake struct field name, rename it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Some firmware entries were forgotten to be added via MODULE_FIRMWARE(), which
may result in the non-functional state when the driver is loaded in initrd.
Link: http://bugzilla.opensuse.org/show_bug.cgi?id=1037344
Fixes: 15be8e89cdd9 ("b43: add more bcma cores")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Set the NL80211_EXT_FEATURE_CQM_RSSI_LIST wiphy extended feature
wholesale in all mac80211-based drivers that do not set the
IEEE80211_VIF_BEACON_FILTER flags on their interfaces. mac80211 will
be processing supplied RSSI values in ieee80211_rx_mgmt_beacon and
will detect when the thresholds set by
ieee80211_set_cqm_rssi_range_config are crossed. Remaining (few)
drivers need code to enable the firmware to monitor the thresholds.
This is mostly only compile-tested.
Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The old WDS 4-addr frame support is very limited, e.g.
* no encryption is possible on such links
* it cannot support rate/HT/VHT negotiation
* management APIs are very restricted
These make the WDS legacy mode useless in practice.
All of these are resolved by the 4-addr AP/client support,
so there's also no reason to improve WDS in the future.
Therefore, add a Kconfig option to disable legacy WDS.
This gives people an "emergency valve" while they migrate
to the better-supported 4-addr AP/client option; we plan
to remove it (and the associated cfg80211/mac80211 code,
which is the ultimate goal) in the future.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Per Michael Büsch: "All a-phy code is usused", so remove it all.
Cc: Michael Büsch <m@bues.ch>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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: Johannes Berg <johannes.berg@intel.com>
The memory allocated by kzalloc in b43_bus_dev_ssb_init and
b43_bus_dev_bcma_init is not freed.
This patch fixes the bug by adding kfree in b43_ssb_remove,
b43_bcma_remove and error handling code of b43_bcma_probe.
Thanks Michael for his suggestion.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Tested-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Julian Calaby <julian.calaby@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Calling synchronize_irq() right before free_irq() is quite useless. On one
hand the IRQ can easily fire again before free_irq() is entered, on the
other hand free_irq() itself calls synchronize_irq() internally (in a race
condition free way), before any state associated with the IRQ is freed.
Patch was generated using the following semantic patch:
// <smpl>
@@
expression irq;
@@
-synchronize_irq(irq);
free_irq(irq, ...);
// </smpl>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
PMU (Power Management Unit) seems to be a separated piece of hardware,
just accessed using ChipCommon core registers. In recent Broadcom
chipsets PMU is not bounded to CC but available as separated core.
To make code cleaner & easier to review (for a correct R/W access) use
clearer names.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
