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| author | Johannes Berg <johannes.berg@intel.com> | 2020-05-28 21:34:41 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-05-31 11:27:11 +0200 |
| commit | 461ce35d5535c1479384f67fcf4bfc3f3610edca (patch) | |
| tree | c4ea21f77855a61362ec3e8552f62344b2772b00 /net | |
| parent | ba8f6a037f790147438173029799f54c9d3065f2 (diff) | |
| download | linux-stable-461ce35d5535c1479384f67fcf4bfc3f3610edca.tar.gz linux-stable-461ce35d5535c1479384f67fcf4bfc3f3610edca.tar.bz2 linux-stable-461ce35d5535c1479384f67fcf4bfc3f3610edca.zip | |
cfg80211: reject HT/VHT capabilities on 6 GHz band
On the 6 GHz band, HE should be used, but without any direct HT/VHT
capabilities, instead the HE 6 GHz band capabilities will capture
the relevant information. Reject HT/VHT capabilities here.
Link: https://lore.kernel.org/r/20200528213443.bfe89c35459a.Ibba5e066fa0087fd49d13cfee89d196ea0c68ae2@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/wireless/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index b795f363d004..1651f86db6ca 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -5,7 +5,7 @@ * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2013-2014 Intel Mobile Communications GmbH * Copyright 2015-2017 Intel Deutschland GmbH - * Copyright (C) 2018-2019 Intel Corporation + * Copyright (C) 2018-2020 Intel Corporation */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -807,6 +807,11 @@ int wiphy_register(struct wiphy *wiphy) !sband->n_bitrates)) return -EINVAL; + if (WARN_ON(band == NL80211_BAND_6GHZ && + (sband->ht_cap.ht_supported || + sband->vht_cap.vht_supported))) + return -EINVAL; + /* * Since cfg80211_disable_40mhz_24ghz is global, we can * modify the sband's ht data even if the driver uses a |