ps2ip.c

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/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright 2001-2004, ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
#
*/
 
#include <stdio.h>
#include <kernel.h>
#include <iopcontrol.h>
#include <iopheap.h>
#include <debug.h>
#include <netman.h>
#include <ps2ip.h>
#include <sifrpc.h>
#include <loadfile.h>
#include <sbv_patches.h>
 
extern unsigned char DEV9_irx[];
extern unsigned int size_DEV9_irx;
 
extern unsigned char SMAP_irx[];
extern unsigned int size_SMAP_irx;
 
extern unsigned char NETMAN_irx[];
extern unsigned int size_NETMAN_irx;
 
static int ethApplyNetIFConfig(int mode)
{
        int result;
        //By default, auto-negotiation is used.
        static int CurrentMode = NETMAN_NETIF_ETH_LINK_MODE_AUTO;
 
        if(CurrentMode != mode)
        {       //Change the setting, only if different.
                if((result = NetManSetLinkMode(mode)) == 0)
                        CurrentMode = mode;
        }else
                result = 0;
 
        return result;
}
 
static void EthStatusCheckCb(s32 alarm_id, u16 time, void *common)
{
        iWakeupThread(*(int*)common);
}
 
static int WaitValidNetState(int (*checkingFunction)(void))
{
        int ThreadID, retry_cycles;
 
        // Wait for a valid network status;
        ThreadID = GetThreadId();
        for(retry_cycles = 0; checkingFunction() == 0; retry_cycles++)
        {       //Sleep for 1000ms.
                SetAlarm(1000 * 16, &EthStatusCheckCb, &ThreadID);
                SleepThread();
 
                if(retry_cycles >= 10)  //10s = 10*1000ms
                        return -1;
        }
 
        return 0;
}
 
static int ethGetNetIFLinkStatus(void)
{
        return(NetManIoctl(NETMAN_NETIF_IOCTL_GET_LINK_STATUS, NULL, 0, NULL, 0) == NETMAN_NETIF_ETH_LINK_STATE_UP);
}
 
static int ethWaitValidNetIFLinkState(void)
{
        return WaitValidNetState(&ethGetNetIFLinkStatus);
}
 
static int ethApplyIPConfig(int use_dhcp, const struct ip4_addr *ip, const struct ip4_addr *netmask, const struct ip4_addr *gateway, const struct ip4_addr *dns)
{
        t_ip_info ip_info;
        const ip_addr_t *dns_curr;
        int result;
 
        //SMAP is registered as the "sm0" device to the TCP/IP stack.
        if ((result = ps2ip_getconfig("sm0", &ip_info)) >= 0)
        {
                //Obtain the current DNS server settings.
                dns_curr = dns_getserver(0);
 
                //Check if it's the same. Otherwise, apply the new configuration.
                if ((use_dhcp != ip_info.dhcp_enabled)
                    ||  (!use_dhcp &&
                         (!ip_addr_cmp(ip, (struct ip4_addr *)&ip_info.ipaddr) ||
                         !ip_addr_cmp(netmask, (struct ip4_addr *)&ip_info.netmask) ||
                         !ip_addr_cmp(gateway, (struct ip4_addr *)&ip_info.gw) ||
                         !ip_addr_cmp(dns, dns_curr))))
                {
                        if (use_dhcp)
                        {
                                ip_info.dhcp_enabled = 1;
                        }
                        else
                        {       //Copy over new settings if DHCP is not used.
                                ip_addr_set((struct ip4_addr *)&ip_info.ipaddr, ip);
                                ip_addr_set((struct ip4_addr *)&ip_info.netmask, netmask);
                                ip_addr_set((struct ip4_addr *)&ip_info.gw, gateway);
 
                                ip_info.dhcp_enabled = 0;
                        }
 
                        //Update settings.
                        result = ps2ip_setconfig(&ip_info);
                        if (!use_dhcp)
                                dns_setserver(0, dns);
                }
                else
                        result = 0;
        }
 
        return result;
}
 
static void ethPrintIPConfig(void)
{
        t_ip_info ip_info;
        const ip_addr_t *dns_curr;
        u8 ip_address[4], netmask[4], gateway[4], dns[4];
 
        //SMAP is registered as the "sm0" device to the TCP/IP stack.
        if (ps2ip_getconfig("sm0", &ip_info) >= 0)
        {
                //Obtain the current DNS server settings.
                dns_curr = dns_getserver(0);
 
                ip_address[0] = ip4_addr1((struct ip4_addr *)&ip_info.ipaddr);
                ip_address[1] = ip4_addr2((struct ip4_addr *)&ip_info.ipaddr);
                ip_address[2] = ip4_addr3((struct ip4_addr *)&ip_info.ipaddr);
                ip_address[3] = ip4_addr4((struct ip4_addr *)&ip_info.ipaddr);
 
                netmask[0] = ip4_addr1((struct ip4_addr *)&ip_info.netmask);
                netmask[1] = ip4_addr2((struct ip4_addr *)&ip_info.netmask);
                netmask[2] = ip4_addr3((struct ip4_addr *)&ip_info.netmask);
                netmask[3] = ip4_addr4((struct ip4_addr *)&ip_info.netmask);
 
                gateway[0] = ip4_addr1((struct ip4_addr *)&ip_info.gw);
                gateway[1] = ip4_addr2((struct ip4_addr *)&ip_info.gw);
                gateway[2] = ip4_addr3((struct ip4_addr *)&ip_info.gw);
                gateway[3] = ip4_addr4((struct ip4_addr *)&ip_info.gw);
 
                dns[0] = ip4_addr1(dns_curr);
                dns[1] = ip4_addr2(dns_curr);
                dns[2] = ip4_addr3(dns_curr);
                dns[3] = ip4_addr4(dns_curr);
 
                scr_printf(     "IP:\t%d.%d.%d.%d\n"
                                "NM:\t%d.%d.%d.%d\n"
                                "GW:\t%d.%d.%d.%d\n"
                                "DNS:\t%d.%d.%d.%d\n",
                                        ip_address[0], ip_address[1], ip_address[2], ip_address[3],
                                        netmask[0], netmask[1], netmask[2], netmask[3],
                                        gateway[0], gateway[1], gateway[2], gateway[3],
                                        dns[0], dns[1], dns[2], dns[3]);
        }
        else
        {
                scr_printf("Unable to read IP address.\n");
        }
}
 
static void ethPrintLinkStatus(void)
{
        int mode, baseMode;
 
        //SMAP is registered as the "sm0" device to the TCP/IP stack.
        scr_printf("Link:\t");
        if (NetManIoctl(NETMAN_NETIF_IOCTL_GET_LINK_STATUS, NULL, 0, NULL, 0) == NETMAN_NETIF_ETH_LINK_STATE_UP)
                scr_printf("Up\n");
        else
                scr_printf("Down\n");
 
        scr_printf("Mode:\t");
        mode = NetManIoctl(NETMAN_NETIF_IOCTL_ETH_GET_LINK_MODE, NULL, 0, NULL, 0);
 
        //NETMAN_NETIF_ETH_LINK_MODE_PAUSE is a flag, so file it off first.
        baseMode = mode & (~NETMAN_NETIF_ETH_LINK_DISABLE_PAUSE);
        switch(baseMode)
        {
                case NETMAN_NETIF_ETH_LINK_MODE_10M_HDX:
                        scr_printf("10M HDX");
                        break;
                case NETMAN_NETIF_ETH_LINK_MODE_10M_FDX:
                        scr_printf("10M FDX");
                        break;
                case NETMAN_NETIF_ETH_LINK_MODE_100M_HDX:
                        scr_printf("100M HDX");
                        break;
                case NETMAN_NETIF_ETH_LINK_MODE_100M_FDX:
                        scr_printf("100M FDX");
                        break;
                default:
                        scr_printf("Unknown");
        }
        if(!(mode & NETMAN_NETIF_ETH_LINK_DISABLE_PAUSE))
                scr_printf(" with ");
        else
                scr_printf(" without ");
        scr_printf("Flow Control\n");
}
 
int main(int argc, char *argv[])
{
        struct ip4_addr IP, NM, GW, DNS;
        int EthernetLinkMode;
 
        //Reboot IOP
        SifInitRpc(0);
        while(!SifIopReset("", 0)){};
        while(!SifIopSync()){};
 
        //Initialize SIF services
        SifInitRpc(0);
        SifLoadFileInit();
        SifInitIopHeap();
        sbv_patch_enable_lmb();
 
        //Load modules
        SifExecModuleBuffer(DEV9_irx, size_DEV9_irx, 0, NULL, NULL);
        SifExecModuleBuffer(NETMAN_irx, size_NETMAN_irx, 0, NULL, NULL);
        SifExecModuleBuffer(SMAP_irx, size_SMAP_irx, 0, NULL, NULL);
 
        //Initialize NETMAN
        NetManInit();
 
        init_scr();
 
        //The network interface link mode/duplex can be set.
        EthernetLinkMode = NETMAN_NETIF_ETH_LINK_MODE_AUTO;
 
        //Attempt to apply the new link setting.
        if(ethApplyNetIFConfig(EthernetLinkMode) != 0) {
                scr_printf("Error: failed to set link mode.\n");
                goto end;
        }
 
        //Initialize IP address.
        IP4_ADDR(&IP, 192, 168, 0, 80);
        IP4_ADDR(&NM, 255, 255, 255, 0);
        IP4_ADDR(&GW, 192, 168, 0, 1);
        //DNS is not required if the DNS service is not used, but this demo will show how it is done.
        IP4_ADDR(&DNS, 192, 168, 0, 1);
 
        //Initialize the TCP/IP protocol stack.
        ps2ipInit(&IP, &NM, &GW);
        dns_setserver(0, &DNS); //Set DNS server
 
        //Change IP address
        IP4_ADDR(&IP, 192, 168, 0, 10);
        ethApplyIPConfig(0, &IP, &NM, &GW, &DNS);
 
        //Wait for the link to become ready.
        scr_printf("Waiting for connection...\n");
        if(ethWaitValidNetIFLinkState() != 0) {
                scr_printf("Error: failed to get valid link status.\n");
                goto end;
        }
 
        scr_printf("Initialized:\n");
        ethPrintLinkStatus();
        ethPrintIPConfig();
 
        //At this point, network support has been initialized and the PS2 can be pinged.
        SleepThread();
 
end:
        //To cleanup, just call these functions.
        ps2ipDeinit();
        NetManDeinit();
 
        //Deinitialize SIF services
        SifExitRpc();
 
        return 0;
}