mac80211: Set CAN_REPLACE_PTK0 for SW crypto only drivers (387bc002) · Commits · 戴 / test

Mac80211 SW crypto handles replacing PTK keys correctly. Don't trigger needless warnings or workarounds when the driver can only use the known good SW crypto provided by mac80211. Signed-off-by:

Alexander Wetzel <alexander@wetzel-home.de> Signed-off-by:

Johannes Berg <johannes.berg@intel.com>

net/mac80211/main.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1060,6 +1060,13 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
		wiphy_ext_feature_set(local->hw.wiphy,
		NL80211_EXT_FEATURE_EXT_KEY_ID);

		/* Mac80211 and therefore all cards only using SW crypto are able to
		* handle PTK rekeys correctly
		*/
		if (!local->ops->set_key)
		wiphy_ext_feature_set(local->hw.wiphy,
		NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);

		/*
		* Calculate scan IE length -- we need this to alloc
		* memory and to subtract from the driver limit. It

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