FILS: Define authentication algorithm for FILS SK auth with PFS

This is needed to add PFS support into hostapd and wpa_supplicant FILS
shared key authentication.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/common/defs.h

@@ -163,6 +163,7 @@ static inline int wpa_key_mgmt_cckm(int akm)
 #define WPA_AUTH_ALG_FT BIT(3)
 #define WPA_AUTH_ALG_SAE BIT(4)
 #define WPA_AUTH_ALG_FILS BIT(5)
+#define WPA_AUTH_ALG_FILS_SK_PFS BIT(6)
 
 
 enum wpa_alg {

src/drivers/driver_nl80211.c

@@ -3219,6 +3219,8 @@ retry:
 		type = NL80211_AUTHTYPE_SAE;
 	else if (params->auth_alg & WPA_AUTH_ALG_FILS)
 		type = NL80211_AUTHTYPE_FILS_SK;
+	else if (params->auth_alg & WPA_AUTH_ALG_FILS_SK_PFS)
+		type = NL80211_AUTHTYPE_FILS_SK_PFS;
 	else
 		goto fail;
 	wpa_printf(MSG_DEBUG, "  * Auth Type %d", type);