[PATCH 07/12] wifi: mt76: mt7996: mark GCMP IGTK unsupported

[Shayne Chen <shayne.chen@mediatek.com>]

From: Michael-CY Lee <michael-cy.lee@mediatek.com>

Since the FW does not support to handle the integrity and validation of
IGTK in GCMP mode, return -EOPNOTSUPP to let it be handled by upper layer.

Signed-off-by: Michael-CY Lee <michael-cy.lee@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7996/main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index 51deea84b642..339753c25709 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -350,9 +350,12 @@ static int mt7996_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	case WLAN_CIPHER_SUITE_GCMP:
 	case WLAN_CIPHER_SUITE_GCMP_256:
 	case WLAN_CIPHER_SUITE_SMS4:
+		break;
 	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
 	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
-		break;
+		if (key->keyidx == 6 || key->keyidx == 7)
+			break;
+		fallthrough;
 	case WLAN_CIPHER_SUITE_WEP40:
 	case WLAN_CIPHER_SUITE_WEP104:
 	default:
-- 
2.39.2