Patch "wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd" has been added to the 6.9-stable tree

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This is a note to let you know that I've just added the patch titled

    wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd

to the 6.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     wifi-iwlwifi-mvm-handle-bigtk-cipher-in-kek_kck-cmd.patch
and it can be found in the queue-6.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit ba7a8afebd2eaa6f917bc4332cc62fb9fd794daf
Author: Yedidya Benshimol <yedidya.ben.shimol@xxxxxxxxx>
Date:   Mon May 13 13:27:09 2024 +0300

    wifi: iwlwifi: mvm: Handle BIGTK cipher in kek_kck cmd
    
    [ Upstream commit 08b16d1b5997dc378533318e2a9cd73c7a898284 ]
    
    The BIGTK cipher field was added to the kek_kck_material_cmd
    but wasn't assigned. Fix that by differentiating between the
    IGTK/BIGTK keys and assign the ciphers fields accordingly.
    
    Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@xxxxxxxxx>
    Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
    Link: https://msgid.link/20240513132416.7fd0b22b7267.Ie9b581652b74bd7806980364d59e1b2e78e682c0@changeid
    Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 74743c3ceeefb..6f16b5b33f0c0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -595,6 +595,12 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw,
 					 void *_data)
 {
 	struct wowlan_key_gtk_type_iter *data = _data;
+	__le32 *cipher = NULL;
+
+	if (key->keyidx == 4 || key->keyidx == 5)
+		cipher = &data->kek_kck_cmd->igtk_cipher;
+	if (key->keyidx == 6 || key->keyidx == 7)
+		cipher = &data->kek_kck_cmd->bigtk_cipher;
 
 	switch (key->cipher) {
 	default:
@@ -606,10 +612,13 @@ static void iwl_mvm_wowlan_gtk_type_iter(struct ieee80211_hw *hw,
 		return;
 	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
-		data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
+		if (cipher)
+			*cipher = cpu_to_le32(STA_KEY_FLG_GCMP);
 		return;
 	case WLAN_CIPHER_SUITE_AES_CMAC:
-		data->kek_kck_cmd->igtk_cipher = cpu_to_le32(STA_KEY_FLG_CCM);
+	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+		if (cipher)
+			*cipher = cpu_to_le32(STA_KEY_FLG_CCM);
 		return;
 	case WLAN_CIPHER_SUITE_CCMP:
 		if (!sta)




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