cfg80211: require HE capabilities for 6 GHz band (f4381365) · Commits · 戴 / test

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:

net/wireless/core.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}