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@xxxxxxxxxxxxxx> --- net/mac80211/main.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/net/mac80211/main.c b/net/mac80211/main.c index e56650a9838e..2b608044ae23 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -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 -- 2.21.0
