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[05/16] wifi: iwlwifi: mvm: Fix key flags for IGTK on AP interface

Message ID 20231011130030.f67005e2d4d2.I6832c6e87f3c79fff00689eb10a3a30810e1ee83@changeid (mailing list archive)
State Accepted
Delegated to: Johannes Berg
Headers show
Series wifi: iwlwifi: updates - 2023-10-11 | expand

Commit Message

Greenman, Gregory Oct. 11, 2023, 10:07 a.m. UTC 
From: Ilan Peer <ilan.peer@intel.com>

When an IGTK is installed for an AP interface, there is no station
associated with it. However, the MFP flag must be set for the installed
key as otherwise the FW wouldn't use it.

Fix the security key flag to set the MFP flag also when the AP is
an AP interface and the key index matches that of an IGTK.

Fixes: 5c75a208c244 ("wifi: iwlwifi: mvm: support new key API")
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c
index f49820647041..ea3e9e9c6e26 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mld-key.c
@@ -96,7 +96,12 @@  u32 iwl_mvm_get_sec_flags(struct iwl_mvm *mvm,
 	if (!sta && vif->type == NL80211_IFTYPE_STATION)
 		sta = mvmvif->ap_sta;
 
-	if (!IS_ERR_OR_NULL(sta) && sta->mfp)
+	/* Set the MFP flag also for an AP interface where the key is an IGTK
+	 * key as in such a case the station would always be NULL
+	 */
+	if ((!IS_ERR_OR_NULL(sta) && sta->mfp) ||
+	    (vif->type == NL80211_IFTYPE_AP &&
+	     (keyconf->keyidx == 4 || keyconf->keyidx == 5)))
 		flags |= IWL_SEC_KEY_FLAG_MFP;
 
 	return flags;