wifi: mac80211: Advertise EPPKE support based on driver capabilities

Advertise support for Enhanced Privacy Protection Key Exchange (EPPKE)
authentication protocol in mac80211 when the driver supports
(Re)Association frame encryption. Since EPPKE mandates (Re)Association
frame encryption.

Signed-off-by: Kavita Kavita <kavita.kavita@oss.qualcomm.com>
Link: https://patch.msgid.link/20260226185553.1516290-3-kavita.kavita@oss.qualcomm.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 616f86b1a7e4b5cc2f6a9b6fa8d8b10d0c7f9792..246256279249c554f235b4408786fc0adb7da234 100644 (file)
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1597,6 +1597,15 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
                local->sband_allocated |= BIT(band);
        }
 
+       /*
+        * mac80211 supports EPPKE, if the driver supports (Re)Association
+        * frame encryption
+        */
+       if (wiphy_ext_feature_isset(local->hw.wiphy,
+                                   NL80211_EXT_FEATURE_ASSOC_FRAME_ENCRYPTION))
+               wiphy_ext_feature_set(local->hw.wiphy,
+                                     NL80211_EXT_FEATURE_EPPKE);
+
        result = wiphy_register(local->hw.wiphy);
        if (result < 0)
                goto fail_wiphy_register;