- refactored network

git-svn-id: http://moon:8086/svn/mips@204 a8ebac50-d88d-4704-bea3-6648445a41b3
2021-11-23 19:29:51 +00:00
parent 2b04dc86da
commit 794bd38593
20 changed files with 1 additions and 1 deletions
@@ -0,0 +1,58 @@
+// -------------------------------------------------------------------------
+// ipv4.h
+//
+// 21.12.2003, J. Ahrensfeld
+//
+// -------------------------------------------------------------------------
+#ifndef IPV4_H
+#define IPV4_H
+
+#include "libsys.h"
+#include "ethernet.h"
+
+// -------------------------------------------------------------------------
+typedef struct _sIPV4
+{
+	uint8_t ver_ihl;
+	uint8_t tos;
+	uint16_t len;
+	uint16_t id;
+	uint16_t flag_foff;
+	uint8_t ttl;
+	uint8_t proto;
+	uint16_t hdr_chksum;
+	uint8_t inet_addr_src[4];
+	uint8_t inet_addr_dst[4];
+
+} __attribute__ ((__packed__)) IPV4;
+
+#define	IP_TYPE_ICMP					0x01
+#define	IP_TYPE_TCP						0x06
+#define	IP_TYPE_UDP						0x11
+
+#define IPV4_AMSK_PRECEDENCE			0x07
+#define IPV4_TOS_LOW_DELAY				0x08
+#define IPV4_TOS_HIGH_THRUPUT			0x10
+#define IPV4_TOS_HIGH_REL				0x20
+#define IPV4_AMSK_FLAG					0xE000
+#define IPV4_AMSK_FOFF					0x1FFF
+#define IPV4_FLAG_RES					0x8000
+#define IPV4_FLAG_DF					0x4000
+#define IPV4_FLAG_MF					0x2000
+
+
+#define IPV4_PRECENCE_NETWORK_CTRL		0x07	//          111 - Network Control
+#define IPV4_PRECENCE_INTERNET_CTRL		0x06	//          110 - Internetwork Control
+#define IPV4_PRECENCE_CRITIC_ECP		0x05	//          101 - CRITIC/ECP
+#define IPV4_PRECENCE_FLASH_OVERRIDE    0x04	//	     	100 - Flash Override
+#define IPV4_PRECENCE_FLASH				0x03	//          011 - Flash
+#define IPV4_PRECENCE_IMMEDIATE			0x02	//          010 - Immediate
+#define IPV4_PRECENCE_PRIORITY 			0x01	//          001 - Priority
+#define IPV4_PRECENCE_ROUTINE			0x00	//          000 - Routine
+
+// -------------------------------------------------------------------------
+uint16_t IPv4ChkSum(uint16_t *pBuf, uint16_t acc, uint16_t len);
+uint8_t *IPV4_create(packet_t *pPacket, uint16_t proto, uint16_t len, uint8_t *inet_addr_src, uint8_t *inet_addr_dst);
+
+// -------------------------------------------------------------------------
+#endif // IPV4_H