- initial import

git-svn-id: http://moon:8086/svn/mips@1 a8ebac50-d88d-4704-bea3-6648445a41b3
2014-07-20 15:01:37 +00:00
commit 26291bca3d
1549 changed files with 3997969 additions and 0 deletions
@@ -0,0 +1,155 @@
+// -------------------------------------------------------------------------
+// ethernet.c
+//
+//  21.12.2003, J. Ahrensfeld
+//
+// -------------------------------------------------------------------------
+#include "libsys.h"
+#include "ethernet.h"
+#include "ipv4.h"
+#include "udp.h"
+#include "dhcp.h"
+#include "string.h"
+
+const char hostname[] = "ML-402";
+
+// -------------------------------------------------------------------------
+// Testing
+void DHCP_request_send(packet_t *pPacket, uint32_t dhcp_msg_type, uint8_t *mac_addr_src, uint8_t *inet_addr_src, uint8_t *inet_addr_dst, DHCP *pLast)
+{
+	uint16_t sum;
+	DHCP *pDHCP;
+	uint8_t *pData;
+	dhcp_opt_hdr_t *pOpt_hdr;
+	uint32_t size, pos, magic = 0x63825363;
+
+
+	pDHCP = (DHCP*)UDP_create(pPacket, inet_addr_src, 68, inet_addr_dst, 67, NULL, sizeof(DHCP));
+
+	memset(pDHCP, 0, sizeof(DHCP));
+
+	pDHCP->op = DHCP_BOOTREQUEST;
+	pDHCP->htype = TYPE_HW_ETH10;
+	pDHCP->hlen = 6;
+	pDHCP->hops = 0;
+	pDHCP->secs = 0;
+	pDHCP->flags = 0;
+	memcpy(pDHCP->chaddr, mac_addr_src, pDHCP->hlen);
+
+	switch(dhcp_msg_type)
+	{
+		case DHCP_MSG_DHCPDISCOVER:
+
+		pDHCP->xid = (uint32_t)rand();
+
+		// Options
+		pos = 0;
+
+		size = sizeof(magic);
+		memcpy(&pDHCP->options[pos], &magic, size);
+		pos += size;
+
+		// Set msg type
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_MSGTYPE;
+		pOpt_hdr->len = 1;
+		pos += size;
+
+		size = pOpt_hdr->len;
+		pDHCP->options[pos] = dhcp_msg_type;
+		pos += size;
+
+		// Set client ID
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_CLIENTID;
+		pOpt_hdr->len = 6;
+		pos += size;
+
+		size = pOpt_hdr->len;
+		memcpy(&pDHCP->options[pos], mac_addr_src, size);
+		pos += size;
+
+		// Set client name
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_HOSTNAME;
+		pOpt_hdr->len = strlen(hostname);
+		pos += size;
+
+		size = pOpt_hdr->len;
+		memcpy(&pDHCP->options[pos], hostname, size);
+		pos += size;
+
+		pDHCP->options[pos] = DHCP_OPT_END;
+		break;
+
+		case DHCP_MSG_DHCPREQUEST:
+
+		pDHCP->xid = pLast->xid;
+
+		// Options
+		pos = 0;
+
+		size = sizeof(magic);
+		memcpy(&pDHCP->options[pos], &magic, size);
+		pos += size;
+
+		// Set msg type
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_MSGTYPE;
+		pOpt_hdr->len = 1;
+		pos += size;
+
+		size = pOpt_hdr->len;
+		pDHCP->options[pos] = dhcp_msg_type;
+		pos += size;
+
+		// Set client ID
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_CLIENTID;
+		pOpt_hdr->len = 6;
+		pos += size;
+
+		size = pOpt_hdr->len;
+		memcpy(&pDHCP->options[pos], mac_addr_src, size);
+		pos += size;
+
+		// Set client name
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_HOSTNAME;
+		pOpt_hdr->len = strlen(hostname);
+		pos += size;
+
+		size = pOpt_hdr->len;
+		memcpy(&pDHCP->options[pos], hostname, size);
+		pos += size;
+
+		// Set requested IP address
+		size = sizeof(dhcp_opt_hdr_t);
+		pOpt_hdr = (dhcp_opt_hdr_t*)&pDHCP->options[pos];
+		pOpt_hdr->code = DHCP_OPT_REQIP;
+		pOpt_hdr->len = 4;
+		pos += size;
+
+		size = pOpt_hdr->len;
+		memcpy(&pDHCP->options[pos], pLast->yiaddr, size);
+		pos += size;
+
+		pDHCP->options[pos] = DHCP_OPT_END;
+		break;
+
+		default:
+		break;
+	}
+
+
+
+	pData = (uint8_t*)Eth_pkt_append(pPacket, sizeof(DHCP));
+
+}
+