cmd_net.c

关于s3c2440之bootloader的源代码

/*
 * vivi/net/cmd_net.c 
 *
 * Based on u-boot
 *
 * $Id: cmd_net.c,v 1.0 2004/08/12 11:14:01 kingmonkey Exp $
 *
 * 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.
 *
 * Description: net command routines .
 *
 */
 
#include "config.h" 
#include "printk.h"
#include "command.h"
#include "machine.h"
#include "priv_data.h"
#include "mtd/mtd.h"
#include "net.h"
#include "bootp.h"
#include "tftp.h"
#include "rarp.h"
#include <string.h>

extern unsigned long downfilesize;

unsigned long load_addr = RAM_BASE;
static user_subcommand_t net_cmds[];
const char net_config_magic[8] = {'N', 'E', 'T', '-', 'C', 'O', 'N', 'F'};


#ifdef CONFIG_CMD_PING
void command_net_ping(int argc, const char *argv[])
{
	switch(argc){
	case 2:
		NetPingIP = string_to_ip(argv[1]);
		NetLoop(PING);
		break;
	default:
			printk("param is invalid\n");		
			return;
	}
	return;
}
#endif

#ifdef CONFIG_CMD_TFTP
void command_net_tftp(int argc, const char *argv[])
{
	switch(argc){
		case 2:
			sprintf(BootFile, "%s", argv[1]);
			NetLoop(TFTP);
			break;		
		case 3:
			global_bd->serverip = string_to_ip(argv[1]);
			sprintf(BootFile, "%s", argv[2]);
			NetLoop(TFTP);
			break;
		default:
			printk("param is invalid\n");
			return;
	}
	
	return;
}
#endif

void command_write_flash(int argc, const char *argv[])
{
	unsigned long to;	
	size_t size;
	mtd_partition_t *dst_part;
	int flag;

	if (downfilesize<=0)	{
		printk("Please download the code to write firset\n");
		return;
	}
	switch(argc){
	case 2:
		if (strncmp("flash", argv[0], 5)==0){
			dst_part = get_mtd_partition(argv[1]);
			if (dst_part == NULL) {
				printk("Could not found \"%s\" partition\n", argv[2]);
				return;
			}
			
			to = dst_part->offset;
			size = dst_part->size;
			flag = dst_part->flag;
			
			if (downfilesize>size){
				printk("An image size is too large to write flash. 
					wanted = 0x%08lx, loaded = 0x%08lx\n", size, downfilesize);
				return;
			}
			
			write_to_flash(to, downfilesize, load_addr, flag);			
		}else{
			printk("Parameter Invalid\n");
		}
	}
}

void command_net_set(int argc, const char *argv[])
{
	int i;
	char *s = argv[1];
	char *e;
	
	if(argc=3){
		if (strncmp("mac", argv[1], 3) == 0) {
			for (i=0; i<6; ++i) {
				global_bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
				if (s) s = (*e) ? e+1 : e;
			}			
		}else if(strncmp("ipaddr", argv[1], 6) == 0) {
			global_bd->bi_ip_addr = string_to_ip(argv[2]);
		}else if(strncmp("serverip", argv[1], 8) == 0) {
			global_bd->serverip = string_to_ip(argv[2]);
		}else if(strncmp("netmask", argv[1], 7) == 0) {
			global_bd->netmask = string_to_ip(argv[2]);
		}else if(strncmp("gateway", argv[1], 7) == 0) {
			global_bd->gatewayip = string_to_ip(argv[2]);
		}else{
			printk("Parameter Invalid\n");
		}		
	}
}

void command_net_save(int argc, const char *argv[])
{
	if (argc != 1) {
		invalid_cmd("net save", net_cmds);
		return;
	}

	if (save_priv_data_blk())
	  printk("Could not save vivi private data\n");
	else printk("Saved vivi private data\n");
}

void command_net_show(int argc, const char *argv[])
{
	net_config *bd=global_bd;
	int i;
	printk("Current Network Configuration\n");
	printk("Ethernet Address: ");
	for (i=0; i<6; ++i) {printk("%c%02X", i ? ':' : ' ', bd->bi_enetaddr[i]);}
	printk("\n");
	printk("IP Address: "); print_IPaddr(bd->bi_ip_addr); printk("\n");
	printk("Net Mask: "); print_IPaddr(bd->netmask); printk("\n");
	printk("Gateway: "); print_IPaddr(bd->gatewayip); printk("\n");
	printk("Server IP: "); print_IPaddr(bd->serverip); printk("\n");
}

static void command_net_help(int argc, const char **argv)
{
	print_usage("net", net_cmds);
}

void command_net(int argc, const char **argv)
{
	net_config *bd = global_bd;
//	int i;

	bd->vlan = (ushort)-1;
	bd->nvlan =(ushort)-1;
	
	switch(argc)	{
	case 1:
		command_net_show(argc-1, argv+1);
		command_net_help(0, NULL);
		return;
	default:
		execsubcmd(net_cmds, argc-1, argv+1);
	}
}

user_command_t net_cmd = {
	"net",
	command_net,
	NULL,
	"net [ping|tftp|set|mac| show| help] \t\t-- Network Manage"
};

static user_subcommand_t net_cmds[] = {
#ifdef CONFIG_CMD_PING
{	"ping",
	command_net_ping,
	"ping <ipaddr> \t\t-- Ping function"
},
#endif
#ifdef CONFIG_CMD_TFTP
{
	"tftp",
	command_net_tftp,
	"tftp <serverip> <filename> \t-- Download code From TFTP Server"
}, 
#endif
{
	"flash",
	command_write_flash,
	"flash <partname> \t\t-- Flash downloaded code to part"
}, {
	"set",
	command_net_set,
	"set mac <mac address> \t-- Set net Configuration"
}, 
{
	"save",
	command_net_save,
	"save \t\t\t-- Save parameter table to flash memeory"
}, 
{	
	"show",
	command_net_show,
	"show \t\t\t-- Show Current network Configuration"
}, {
	"help",
	command_net_help,
	"help"
}, {
	NULL,
	NULL,
	NULL 
}
};