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Pawel Dembicki c4e1ac09ee wifi: mwl8k: inject DSSS Parameter Set element into beacons if missing 
Some Marvell AP firmware used with mwl8k misbehaves when beacon frames
do not contain a WLAN_EID_DS_PARAMS element with the current channel.
It was reported on OpenWrt Github issues [0].

When hostapd/mac80211 omits DSSS Parameter Set from the beacon (which is
valid on some bands), the firmware stops transmitting sane frames and RX
status starts reporting bogus channel information. This makes AP mode
unusable.

Newer Marvell drivers (mwlwifi [1]) hard-code DSSS Parameter Set into
AP beacons for all chips, which suggests this is a firmware requirement
rather than a mwl8k-specific quirk.

Mirror that behaviour in mwl8k: when setting the beacon, check if
WLAN_EID_DS_PARAMS is present, and if not, extend the beacon and inject
a DSSS Parameter Set element, using the current channel from
hw->conf.chandef.chan.

Tested on Linksys EA4500 (88W8366).

[0] https://github.com/openwrt/openwrt/issues/19088
[1] db97edf20f/hif/fwcmd.c (L675)

Fixes: b64fe619e3 ("mwl8k: basic AP interface support")
Tested-by: Antony Kolitsos <zeusomighty@hotmail.com>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Link: https://patch.msgid.link/20251111100733.2825970-3-paweldembicki@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2025-11-11 11:38:57 +01:00
arch Rust fixes for v6.18 2025-11-05 11:15:36 -08:00
block block-6.18-20251031 2025-10-31 12:57:19 -07:00
certs sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3 2024-09-20 19:52:48 +03:00
crypto This push contains the following changes: 2025-10-10 08:56:16 -07:00
Documentation sound fixes for 6.18-rc4 2025-10-31 07:29:09 -07:00
drivers wifi: mwl8k: inject DSSS Parameter Set element into beacons if missing 2025-11-11 11:38:57 +01:00
fs for-6.18-rc4-tag 2025-11-04 14:25:38 +09:00
include Including fixes from bluetooth and wireless. 2025-11-06 08:52:30 -08:00
init printk changes for 6.18 2025-10-04 11:13:11 -07:00
io_uring io_uring: fix buffer auto-commit for multishot uring_cmd 2025-10-23 19:41:31 -06:00
ipc namespace-6.18-rc1 2025-09-29 11:20:29 -07:00
kernel bpf-fixes 2025-10-31 18:22:26 -07:00
lib Second round of Kbuild fixes for 6.19 2025-11-01 10:00:53 -07:00
LICENSES LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2 2025-07-24 11:15:39 +02:00
mm slab fixes for 6.18-rc3 2025-10-24 12:40:51 -07:00
net wifi: mac80211: skip rate verification for not captured PSDUs 2025-11-11 09:25:17 +01:00
rust rust: kbuild: workaround rustdoc doctests modifier bug 2025-11-04 00:00:06 +01:00
samples Char/Misc/IIO/Binder changes for 6.18-rc1 2025-10-04 16:26:32 -07:00
scripts kconfig/nconf: Initialize the default locale at startup 2025-11-01 00:23:22 -04:00
security integrity-v6.18 2025-10-05 10:48:33 -07:00
sound ASoC: Fixes for v6.18 2025-10-30 13:08:08 +01:00
tools Including fixes from bluetooth and wireless. 2025-11-06 08:52:30 -08:00
usr gen_init_cpio: Ignore fsync() returning EINVAL on pipes 2025-10-07 09:53:05 -07:00
virt KVM x86 fixes for 6.18: 2025-10-18 10:25:43 +02:00
.clang-format memblock: drop for_each_free_mem_pfn_range_in_zone_from() 2025-09-14 08:49:03 +03:00
.clippy.toml rust: clean Rust 1.88.0's warning about clippy::disallowed_macros configuration 2025-05-07 00:11:47 +02:00
.cocciconfig
.editorconfig .editorconfig: remove trim_trailing_whitespace option 2024-06-13 16:47:52 +02:00
.get_maintainer.ignore MAINTAINERS: remove Alyssa Rosenzweig 2025-09-18 21:17:31 +02:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore .gitignore: ignore compile_commands.json globally 2025-08-12 15:53:55 -07:00
.mailmap linux_kselftest-kunit-fixes-6.18-rc4 2025-10-30 19:11:27 -07:00
.pylintrc tools: docs: parse-headers.py: move it from sphinx dir 2025-08-29 15:54:42 -06:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: mark ISDN subsystem as orphan 2025-10-27 17:49:45 -07:00
Kbuild sched: Make migrate_{en,dis}able() inline 2025-09-25 09:57:16 +02:00
Kconfig io_uring: Rename KConfig to Kconfig 2025-02-19 14:53:27 -07:00
MAINTAINERS Including fixes from bluetooth and wireless. 2025-11-06 08:52:30 -08:00
Makefile Linux 6.18-rc4 2025-11-02 11:28:02 -08:00
README README: Fix spelling 2024-03-18 03:36:32 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.