Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / SLOF / clients / net-snk / app / netlib / ipv4.h

diff --git a/qemu/roms/SLOF/clients/net-snk/app/netlib/ipv4.h b/qemu/roms/SLOF/clients/net-snk/app/netlib/ipv4.h
new file mode 100644 (file)
index 0000000..eb719f8
--- /dev/null
+++ b/qemu/roms/SLOF/clients/net-snk/app/netlib/ipv4.h
@@ -0,0 +1,96 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ *     IBM Corporation - initial implementation
+ *****************************************************************************/
+
+
+#ifndef _IPV4_H_
+#define _IPV4_H_
+
+#include <stdint.h>
+
+#define IPTYPE_ICMP         1
+
+/** \struct iphdr
+ *  A header for IP-packets.
+ *  For more information see RFC 791.
+ */
+struct iphdr {
+       uint8_t ip_hlv;      /**< Header length and version of the header      */
+       uint8_t ip_tos;      /**< Type of Service                              */
+       uint16_t ip_len;     /**< Length in octets, inlc. this header and data */
+       uint16_t ip_id;      /**< ID is used to aid in assembling framents     */
+       uint16_t ip_off;     /**< Info about fragmentation (control, offset)   */
+       uint8_t ip_ttl;      /**< Time to Live                                 */
+       uint8_t ip_p;        /**< Next level protocol type                     */
+       uint16_t ip_sum;     /**< Header checksum                              */
+       uint32_t ip_src;     /**< Source IP address                            */
+       uint32_t ip_dst;     /**< Destination IP address                       */
+};
+typedef struct iphdr ipv4_hdr_t;
+
+/* ICMP Error Codes */
+#define ICMP_NET_UNREACHABLE 0
+#define ICMP_HOST_UNREACHABLE 1
+#define ICMP_PROTOCOL_UNREACHABLE 2
+#define ICMP_PORT_UNREACHABLE 3
+#define ICMP_FRAGMENTATION_NEEDED 4
+#define ICMP_SOURCE_ROUTE_FAILED 5
+
+/** \struct arphdr
+ *  A header for ARP-messages, retains info about HW and proto addresses.
+ *  For more information see RFC 826.
+ */
+struct arphdr {
+       uint16_t hw_type;    /**< HW address space (1 for Ethernet)            */
+       uint16_t proto_type; /**< Protocol address space                       */
+       uint8_t hw_len;      /**< Byte length of each HW address               */
+       uint8_t proto_len;   /**< Byte length of each proto address            */
+       uint16_t opcode;     /**< Identifies is it request (1) or reply (2)    */
+       uint8_t src_mac[6];  /**< HW address of sender of this packet          */
+       uint32_t src_ip;     /**< Proto address of sender of this packet       */
+       uint8_t dest_mac[6]; /**< HW address of target of this packet          */
+       uint32_t dest_ip;    /**< Proto address of target of this packet       */
+} __attribute((packed));
+
+/*>>>>>>>>>>>>> Initialization of the IPv4 network layer. <<<<<<<<<<<<<*/
+extern void     set_ipv4_address(uint32_t own_ip);
+extern uint32_t get_ipv4_address(void);
+extern void     set_ipv4_multicast(uint32_t multicast_ip);
+extern uint32_t get_ipv4_multicast(void);
+extern void     set_ipv4_router(uint32_t router_ip);
+extern uint32_t get_ipv4_router(void);
+extern void     set_ipv4_netmask(uint32_t subnet_mask);
+extern uint32_t get_ipv4_netmask(void);
+
+extern int   (*send_ip) (int fd, void *, int);
+
+/* fills ip header */
+extern void fill_iphdr(uint8_t * packet, uint16_t packetsize,
+                       uint8_t ip_proto, uint32_t ip_src, uint32_t ip_dst);
+
+/* Send a IPv4 packet. Adding the Ethernet-Header and resolving the
+ * MAC address is done transparent in the background if necessary.
+ */
+extern int send_ipv4(int fd, void* buffer, int len);
+
+/* Sends an ICMP Echo request to destination IPv4 address */
+extern void ping_ipv4(int fd, uint32_t _ping_dst_ip);
+
+/* Returns host IPv4 address that we are waiting for a response */
+extern uint32_t pong_ipv4(void);
+
+/* Handles IPv4-packets that are detected by receive_ether. */
+extern int8_t handle_ipv4(int fd, uint8_t * packet, int32_t packetsize);
+
+/* Handles ARP-packets that are detected by receive_ether. */
+extern int8_t handle_arp(int fd, uint8_t * packet, int32_t packetsize);
+
+#endif