Diff: cyclone_tcp/ipv4/ipv4_routing.h

Revision:

0:8918a71cdbe9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyclone_tcp/ipv4/ipv4_routing.h	Sat Feb 04 18:15:49 2017 +0000
@@ -0,0 +1,80 @@
+/**
+ * @file ipv4_routing.h
+ * @brief IPv4 routing
+ *
+ * @section License
+ *
+ * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
+ *
+ * This file is part of CycloneTCP Open.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * @author Oryx Embedded SARL (www.oryx-embedded.com)
+ * @version 1.7.6
+ **/
+
+#ifndef _IPV4_ROUTING_H
+#define _IPV4_ROUTING_H
+
+//Dependencies
+#include "core/net.h"
+#include "ipv4/ipv4.h"
+
+//IPv4 routing support
+#ifndef IPV4_ROUTING_SUPPORT
+   #define IPV4_ROUTING_SUPPORT DISABLED
+#elif (IPV4_ROUTING_SUPPORT != ENABLED && IPV4_ROUTING_SUPPORT != DISABLED)
+   #error IPV4_ROUTING_SUPPORT parameter is not valid
+#endif
+
+//Size of the IPv4 routing table
+#ifndef IPV4_ROUTING_TABLE_SIZE
+   #define IPV4_ROUTING_TABLE_SIZE 8
+#elif (IPV4_ROUTING_TABLE_SIZE < 1)
+   #error IPV4_ROUTING_TABLE_SIZE parameter is not valid
+#endif
+
+
+/**
+ * @brief Routing table entry
+ **/
+
+typedef struct
+{
+   bool_t valid;            ///<Valid entry
+   Ipv4Addr networkDest;    ///<Network destination
+   Ipv4Addr networkMask;    ///<Subnet mask for this route
+   NetInterface *interface; ///<Outgoing network interface
+   Ipv4Addr nextHop;        ///<Next hop
+   uint_t metric;           ///<Metric value
+} Ipv4RoutingTableEntry;
+
+
+//IPv4 routing related functions
+error_t ipv4InitRouting(void);
+error_t ipv4EnableRouting(NetInterface *interface, bool_t enable);
+
+error_t ipv4AddRoute(Ipv4Addr networkDest, Ipv4Addr networkMask,
+   NetInterface *interface, Ipv4Addr nextHop, uint_t metric);
+
+error_t ipv4DeleteRoute(Ipv4Addr networkDest, Ipv4Addr networkMask);
+error_t ipv4DeleteAllRoutes(void);
+
+error_t ipv4ForwardPacket(NetInterface *srcInterface,
+   const NetBuffer *ipPacket, size_t ipPacketOffset);
+
+#endif
+