diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2020-05-28 21:34:42 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2020-05-31 11:27:14 +0200 |
| commit | f438136528482f98535889c9a6f99bbacdd92870 (patch) | |
| tree | f8a0d062939819fce0e0b57804cf0ab369b494a9 | |
| parent | cfg80211: reject HT/VHT capabilities on 6 GHz band (diff) | |
| download | wireguard-linux-f438136528482f98535889c9a6f99bbacdd92870.tar.xz wireguard-linux-f438136528482f98535889c9a6f99bbacdd92870.zip | |
cfg80211: require HE capabilities for 6 GHz band
On 6 GHz band, HE capabilities must be available for all of
the interface types, otherwise we shouldn't use 6 GHz. Check
this.
Link: https://lore.kernel.org/r/20200528213443.5881cb3c8c4a.I583b54172f91f98d44af64a16c5826fe458cbb27@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/wireless/core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 1651f86db6ca..5b6714460490 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -791,6 +791,7 @@ int wiphy_register(struct wiphy *wiphy) /* sanity check supported bands/channels */ for (band = 0; band < NUM_NL80211_BANDS; band++) { u16 types = 0; + bool have_he = false; sband = wiphy->bands[band]; if (!sband) @@ -859,8 +860,17 @@ int wiphy_register(struct wiphy *wiphy) return -EINVAL; types |= iftd->types_mask; + + if (i == 0) + have_he = iftd->he_cap.has_he; + else + have_he = have_he && + iftd->he_cap.has_he; } + if (WARN_ON(!have_he && band == NL80211_BAND_6GHZ)) + return -EINVAL; + have_band = true; } |