commit 631810603a20874554b2f17adf42b72d0f15eda5
author Jouni Malinen <jouni@qca.qualcomm.com> Thu Oct 27 00:42:02 2016 +0300
committer Johannes Berg <johannes.berg@intel.com> Thu Oct 27 16:03:23 2016 +0200
tree 352113b5fad4f7198275e0b53c42432f94b5735a
parent 3f817fe718c6cb3ddcc2ab04ba86faecc20ef8fe

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

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>

net/wireless/nl80211.c

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 7048511..ff79862 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -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]);