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cfg80211: Add Fast Initial Link Setup (FILS) auth algs

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This defines authentication algorithms for FILS (IEEE 802.11ai).

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jouni Malinen 2016-10-27 00:42:02 +03:00 committed by Johannes Berg
parent 3f817fe718
commit 631810603a
3 changed files with 28 additions and 2 deletions
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3
include/linux/ieee80211.h
View File

@ -1576,6 +1576,9 @@ struct ieee80211_vht_operation {
#define WLAN_AUTH_SHARED_KEY 1
#define WLAN_AUTH_FT 2
#define WLAN_AUTH_SAE 3
#define WLAN_AUTH_FILS_SK 4
#define WLAN_AUTH_FILS_SK_PFS 5
#define WLAN_AUTH_FILS_PK 6
#define WLAN_AUTH_LEAP 128
#define WLAN_AUTH_CHALLENGE_LEN 128

6
include/uapi/linux/nl80211.h
View File

@ -3669,6 +3669,9 @@ enum nl80211_bss_status {
* @NL80211_AUTHTYPE_FT: Fast BSS Transition (IEEE 802.11r)
* @NL80211_AUTHTYPE_NETWORK_EAP: Network EAP (some Cisco APs and mainly LEAP)
* @NL80211_AUTHTYPE_SAE: Simultaneous authentication of equals
* @NL80211_AUTHTYPE_FILS_SK: Fast Initial Link Setup shared key
* @NL80211_AUTHTYPE_FILS_SK_PFS: Fast Initial Link Setup shared key with PFS
* @NL80211_AUTHTYPE_FILS_PK: Fast Initial Link Setup public key
* @__NL80211_AUTHTYPE_NUM: internal
* @NL80211_AUTHTYPE_MAX: maximum valid auth algorithm
* @NL80211_AUTHTYPE_AUTOMATIC: determine automatically (if necessary by
@ -3681,6 +3684,9 @@ enum nl80211_auth_type {
NL80211_AUTHTYPE_FT,
NL80211_AUTHTYPE_NETWORK_EAP,
NL80211_AUTHTYPE_SAE,
NL80211_AUTHTYPE_FILS_SK,
NL80211_AUTHTYPE_FILS_SK_PFS,
NL80211_AUTHTYPE_FILS_PK,
/* keep last */
__NL80211_AUTHTYPE_NUM,

21
net/wireless/nl80211.c
View File

@ -3778,12 +3778,23 @@ static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev,
if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) &&
auth_type == NL80211_AUTHTYPE_SAE)
return false;
if (!wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_FILS_STA) &&
(auth_type == NL80211_AUTHTYPE_FILS_SK ||
auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
auth_type == NL80211_AUTHTYPE_FILS_PK))
return false;
return true;
case NL80211_CMD_CONNECT:
case NL80211_CMD_START_AP:
/* SAE not supported yet */
if (auth_type == NL80211_AUTHTYPE_SAE)
return false;
/* FILS not supported yet */
if (auth_type == NL80211_AUTHTYPE_FILS_SK ||
auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
auth_type == NL80211_AUTHTYPE_FILS_PK)
return false;
return true;
default:
return false;
@ -7810,12 +7821,18 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE))
return -EINVAL;
if (auth_type == NL80211_AUTHTYPE_SAE &&
if ((auth_type == NL80211_AUTHTYPE_SAE ||
auth_type == NL80211_AUTHTYPE_FILS_SK ||
auth_type == NL80211_AUTHTYPE_FILS_SK_PFS ||
auth_type == NL80211_AUTHTYPE_FILS_PK) &&
!info->attrs[NL80211_ATTR_AUTH_DATA])
return -EINVAL;
if (info->attrs[NL80211_ATTR_AUTH_DATA]) {
if (auth_type != NL80211_AUTHTYPE_SAE)
if (auth_type != NL80211_AUTHTYPE_SAE &&
auth_type != NL80211_AUTHTYPE_FILS_SK &&
auth_type != NL80211_AUTHTYPE_FILS_SK_PFS &&
auth_type != NL80211_AUTHTYPE_FILS_PK)
return -EINVAL;
auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]);
auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]);