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@xxxxxxxxxxxxxxxx>
---
include/linux/ieee80211.h | 18 ++++++++++++++++++
net/wireless/util.c | 41 +++++++++++++++++++++++++++++++++++++++--
2 files changed, 57 insertions(+), 2 deletions(-)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 4f4eea8..dbf417b 100644
--- a/include/linux/ieee80211.h
+++ b/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
diff --git a/net/wireless/util.c b/net/wireless/util.c
index f608ba0..c42202a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -236,11 +236,18 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
*/
if (pairwise && key_idx &&
((params->cipher == WLAN_CIPHER_SUITE_TKIP) ||
- (params->cipher == WLAN_CIPHER_SUITE_CCMP)))
+ (params->cipher == WLAN_CIPHER_SUITE_CCMP) ||
+ (params->cipher == WLAN_CIPHER_SUITE_CCMP_256) ||
+ (params->cipher == WLAN_CIPHER_SUITE_GCMP) ||
+ (params->cipher == WLAN_CIPHER_SUITE_GCMP_256)))
return -EINVAL;
/* Disallow BIP (group-only) cipher as pairwise cipher */
- if (pairwise && params->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
+ if (pairwise &&
+ (params->cipher == WLAN_CIPHER_SUITE_AES_CMAC ||
+ params->cipher == WLAN_CIPHER_SUITE_BIP_CMAC_256 ||
+ params->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 ||
+ params->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256))
return -EINVAL;
switch (params->cipher) {
@@ -256,6 +263,18 @@ 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;
@@ -264,6 +283,18 @@ 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,
@@ -283,7 +314,13 @@ 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;
--
1.9.1
--
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