cfg80211: Add new GCMP, CCMP-256, BIP-GMAC, BIP-CMAC-256 ciphers

This makes cfg80211 aware of the GCMP, GCMP-256, CCMP-256, BIP-GMAC-128,
BIP-GMAC-256, and BIP-CMAC-256 cipher suites. These new cipher suites
were defined in IEEE Std 802.11ac-2013.
Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

include/linux/ieee80211.h

@@ -1994,9 +1994,15 @@ enum ieee80211_key_len {
 	WLAN_KEY_LEN_WEP40 = 5,
 	WLAN_KEY_LEN_WEP104 = 13,
 	WLAN_KEY_LEN_CCMP = 16,
+	WLAN_KEY_LEN_CCMP_256 = 32,
 	WLAN_KEY_LEN_TKIP = 32,
 	WLAN_KEY_LEN_AES_CMAC = 16,
 	WLAN_KEY_LEN_SMS4 = 32,
+	WLAN_KEY_LEN_GCMP = 16,
+	WLAN_KEY_LEN_GCMP_256 = 32,
+	WLAN_KEY_LEN_BIP_CMAC_256 = 32,
+	WLAN_KEY_LEN_BIP_GMAC_128 = 16,
+	WLAN_KEY_LEN_BIP_GMAC_256 = 32,
 };
 
 #define IEEE80211_WEP_IV_LEN		4
@@ -2004,9 +2010,16 @@ enum ieee80211_key_len {
 #define IEEE80211_CCMP_HDR_LEN		8
 #define IEEE80211_CCMP_MIC_LEN		8
 #define IEEE80211_CCMP_PN_LEN		6
+#define IEEE80211_CCMP_256_HDR_LEN	8
+#define IEEE80211_CCMP_256_MIC_LEN	16
+#define IEEE80211_CCMP_256_PN_LEN	6
 #define IEEE80211_TKIP_IV_LEN		8
 #define IEEE80211_TKIP_ICV_LEN		4
 #define IEEE80211_CMAC_PN_LEN		6
+#define IEEE80211_GMAC_PN_LEN		6
+#define IEEE80211_GCMP_HDR_LEN		8
+#define IEEE80211_GCMP_MIC_LEN		16
+#define IEEE80211_GCMP_PN_LEN		6
 
 /* Public action codes */
 enum ieee80211_pub_actioncode {
@@ -2230,6 +2243,11 @@ enum ieee80211_sa_query_action {
 #define WLAN_CIPHER_SUITE_WEP104	0x000FAC05
 #define WLAN_CIPHER_SUITE_AES_CMAC	0x000FAC06
 #define WLAN_CIPHER_SUITE_GCMP		0x000FAC08
+#define WLAN_CIPHER_SUITE_GCMP_256	0x000FAC09
+#define WLAN_CIPHER_SUITE_CCMP_256	0x000FAC0A
+#define WLAN_CIPHER_SUITE_BIP_GMAC_128	0x000FAC0B
+#define WLAN_CIPHER_SUITE_BIP_GMAC_256	0x000FAC0C
+#define WLAN_CIPHER_SUITE_BIP_CMAC_256	0x000FAC0D
 
 #define WLAN_CIPHER_SUITE_SMS4		0x00147201
 

net/wireless/util.c

@@ -230,6 +230,9 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 	switch (params->cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
 	case WLAN_CIPHER_SUITE_CCMP:
+	case WLAN_CIPHER_SUITE_CCMP_256:
+	case WLAN_CIPHER_SUITE_GCMP:
+	case WLAN_CIPHER_SUITE_GCMP_256:
 		/* Disallow pairwise keys with non-zero index unless it's WEP
 		 * or a vendor specific cipher (because current deployments use
 		 * pairwise WEP keys with non-zero indices and for vendor
@@ -240,6 +243,9 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 			return -EINVAL;
 		break;
 	case WLAN_CIPHER_SUITE_AES_CMAC:
+	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 		/* Disallow BIP (group-only) cipher as pairwise cipher */
 		if (pairwise)
 			return -EINVAL;
@@ -261,6 +267,18 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 		if (params->key_len != WLAN_KEY_LEN_CCMP)
 			return -EINVAL;
 		break;
+	case WLAN_CIPHER_SUITE_CCMP_256:
+		if (params->key_len != WLAN_KEY_LEN_CCMP_256)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_GCMP:
+		if (params->key_len != WLAN_KEY_LEN_GCMP)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_GCMP_256:
+		if (params->key_len != WLAN_KEY_LEN_GCMP_256)
+			return -EINVAL;
+		break;
 	case WLAN_CIPHER_SUITE_WEP104:
 		if (params->key_len != WLAN_KEY_LEN_WEP104)
 			return -EINVAL;
@@ -269,6 +287,18 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 		if (params->key_len != WLAN_KEY_LEN_AES_CMAC)
 			return -EINVAL;
 		break;
+	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+		if (params->key_len != WLAN_KEY_LEN_BIP_CMAC_256)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+		if (params->key_len != WLAN_KEY_LEN_BIP_GMAC_128)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
+		if (params->key_len != WLAN_KEY_LEN_BIP_GMAC_256)
+			return -EINVAL;
+		break;
 	default:
 		/*
 		 * We don't know anything about this algorithm,
@@ -288,7 +318,13 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 			return -EINVAL;
 		case WLAN_CIPHER_SUITE_TKIP:
 		case WLAN_CIPHER_SUITE_CCMP:
+		case WLAN_CIPHER_SUITE_CCMP_256:
+		case WLAN_CIPHER_SUITE_GCMP:
+		case WLAN_CIPHER_SUITE_GCMP_256:
 		case WLAN_CIPHER_SUITE_AES_CMAC:
+		case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+		case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+		case WLAN_CIPHER_SUITE_BIP_GMAC_256:
 			if (params->seq_len != 6)
 				return -EINVAL;
 			break;