P2P: Enforce SAE-H2E for P2P GO in 6 GHz

Allow sae_pwe parameter to be configured per-network and enforce the
SAE hash-to-element mechanism for the P2P GO if it is started on
a 6 GHz channel.

Signed-off-by: Sreeramya Soratkal <ssramya@codeaurora.org>

wpa_supplicant/config_ssid.h

@@ -46,6 +46,9 @@
 #define DEFAULT_USER_SELECTED_SIM 1
 #define DEFAULT_MAX_OPER_CHWIDTH -1
 
+/* Consider global sae_pwe for SAE mechanism for PWE derivation */
+#define DEFAULT_SAE_PWE 4
+
 struct psk_list_entry {
 	struct dl_list list;
 	u8 addr[ETH_ALEN];
@@ -1156,6 +1159,19 @@ struct wpa_ssid {
 	 * configuration.
 	 */
 	bool was_recently_reconfigured;
+
+	/**
+	 * sae_pwe - SAE mechanism for PWE derivation
+	 *
+	 * Internally, special value 4 (DEFAULT_SAE_PWE) is used to indicate
+	 * that the parameter is not set and the global sae_pwe value needs to
+	 * be considered.
+	 *
+	 * 0 = hunting-and-pecking loop only
+	 * 1 = hash-to-element only
+	 * 2 = both hunting-and-pecking loop and hash-to-element enabled
+	 */
+	int sae_pwe;
 };
 
 #endif /* CONFIG_SSID_H */