ath6kl: Add support for configuring SMS4 keys
Indicate support for WPI-SMS4 cipher and allow SMS4 keys to be
configured.
Signed-off-by: Dai Shuibing <shuibing@qca.qualcomm.com>
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 4d1394a..d2b23da 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -203,6 +203,10 @@
*ar_cipher = AES_CRYPT;
*ar_cipher_len = 0;
break;
+ case WLAN_CIPHER_SUITE_SMS4:
+ *ar_cipher = WAPI_CRYPT;
+ *ar_cipher_len = 0;
+ break;
default:
ath6kl_err("cipher 0x%x not supported\n", cipher);
return -ENOTSUPP;
@@ -935,13 +939,19 @@
key_usage = GROUP_USAGE;
if (params) {
+ int seq_len = params->seq_len;
+ if (params->cipher == WLAN_CIPHER_SUITE_SMS4 &&
+ seq_len > ATH6KL_KEY_SEQ_LEN) {
+ /* Only first half of the WPI PN is configured */
+ seq_len = ATH6KL_KEY_SEQ_LEN;
+ }
if (params->key_len > WLAN_MAX_KEY_LEN ||
- params->seq_len > sizeof(key->seq))
+ seq_len > sizeof(key->seq))
return -EINVAL;
key->key_len = params->key_len;
memcpy(key->key, params->key, key->key_len);
- key->seq_len = params->seq_len;
+ key->seq_len = seq_len;
memcpy(key->seq, params->seq, key->seq_len);
key->cipher = params->cipher;
}
@@ -959,6 +969,9 @@
case WLAN_CIPHER_SUITE_CCMP:
key_type = AES_CRYPT;
break;
+ case WLAN_CIPHER_SUITE_SMS4:
+ key_type = WAPI_CRYPT;
+ break;
default:
return -ENOTSUPP;
@@ -1451,6 +1464,7 @@
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
CCKM_KRK_CIPHER_SUITE,
+ WLAN_CIPHER_SUITE_SMS4,
};
static bool is_rate_legacy(s32 rate)