Updated through tag hostap_2_5 from git://w1.fi/hostap.git

[mech_eap.git] / libeap / src / l2_packet / l2_packet.h

diff --git a/libeap/src/l2_packet/l2_packet.h b/libeap/src/l2_packet/l2_packet.h
index c7b5014..2a45245 100644 (file)
--- a/libeap/src/l2_packet/l2_packet.h
+++ b/libeap/src/l2_packet/l2_packet.h
@@ -2,14 +2,8 @@
  * WPA Supplicant - Layer2 packet interface definition
  * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
  *
  * This file defines an interface for layer 2 (link layer) packet sending and
  * receiving. l2_packet_linux.c is one implementation for such a layer 2
@@ -45,6 +39,11 @@ struct l2_ethhdr {
 #pragma pack(pop)
 #endif /* _MSC_VER */
 
+enum l2_packet_filter_type {
+       L2_PACKET_FILTER_DHCP,
+       L2_PACKET_FILTER_NDISC,
+};
+
 /**
  * l2_packet_init - Initialize l2_packet interface
  * @ifname: Interface name
@@ -69,6 +68,19 @@ struct l2_packet_data * l2_packet_init(
        void *rx_callback_ctx, int l2_hdr);
 
 /**
+ * l2_packet_init_bridge - Like l2_packet_init() but with bridge workaround
+ *
+ * This version of l2_packet_init() can be used to enable a workaround for Linux
+ * packet socket in case of a station interface in a bridge.
+ */
+struct l2_packet_data * l2_packet_init_bridge(
+       const char *br_ifname, const char *ifname, const u8 *own_addr,
+       unsigned short protocol,
+       void (*rx_callback)(void *ctx, const u8 *src_addr,
+                           const u8 *buf, size_t len),
+       void *rx_callback_ctx, int l2_hdr);
+
+/**
  * l2_packet_deinit - Deinitialize l2_packet interface
  * @l2: Pointer to internal l2_packet data from l2_packet_init()
  */
@@ -127,4 +139,16 @@ int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len);
  */
 void l2_packet_notify_auth_start(struct l2_packet_data *l2);
 
+/**
+ * l2_packet_set_packet_filter - Set socket filter for l2_packet
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ * @type: enum l2_packet_filter_type, type of filter
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to set the socket filter for l2_packet socket.
+ *
+ */
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+                               enum l2_packet_filter_type type);
+
 #endif /* L2_PACKET_H */