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

Browse source 
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 <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Jouni Malinen 2015-01-24 19:52:05 +02:00 • committed by Johannes Berg
commit cfcf1682c4
2 changed files with 54 additions and 0 deletions
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36
net/wireless/util.c
View file

@ -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;