iBoot/lib/net/net.c

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2023-07-08 13:03:17 -07:00
/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
*
* This document is the property of Apple Computer, Inc.
* It is considered confidential and proprietary.
*
* This document may not be reproduced or transmitted in any form,
* in whole or in part, without the express written permission of
* Apple Computer, Inc.
*/
#include <debug.h>
#include <stdint.h>
#include <drivers/ethernet.h>
#include <lib/env.h>
#include <lib/net.h>
#include <lib/net/xp.h>
#include <lib/net/callbacks.h>
#include <lib/net/ethernet.h>
//For the different layers
#include <lib/net/arp.h>
#include <lib/net/ipv4.h>
#include <lib/net/udp.h>
#include <lib/net/icmp.h>
#include <sys/callout.h>
struct callout ethernet_cb;
static bool netstack_initialized = false;
int start_network_stack(void)
{
if (netstack_initialized)
return 0;
dprintf(DEBUG_INFO, "starting net stack\n");
/* get all of the environment variables we need up front */
uint32_t ipaddr;
uint8_t ethaddr[6];
if (env_get_ipaddr("ipaddr", &ipaddr) < 0) {
printf("ipaddr environment variable not set or malformed, cannot start net stack\n");
return -1;
}
if (env_get_ethaddr("ethaddr", ethaddr)) {
printf("ethaddr environment variable not set or malformed, cannot start net stack\n");
return -1;
}
ethernet_init();
xp_initialize();
//YUCK! XXX: TODO:
ipv4_layer(true);
ipv4_set_ip(htonl(ipaddr));
arp_layer(true);
icmp_layer(true);
udp_layer(true);
#if WITH_HW_ETHERNET
dprintf(DEBUG_INFO, "starting ethernet\n");
ethstat_t *eth = eth_get_handle();
eth_setmacaddr(eth, (char *)ethaddr);
eth_start(eth);
#endif
#if 0
/* start the ethernet work loop */
callout_enqueue(&ethernet_cb, 1000, ethernet_workloop, (void *)100);
#endif
netstack_initialized = true;
/* gratuitous arp */
char mac[6];
arp_get_macaddr(ipv4_get_ip(), mac);
return 0;
}
int stop_network_stack(void)
{
if (!netstack_initialized)
return 0;
#if WITH_HW_ETHERNET
ethstat_t *eth = eth_get_handle();
eth_stop(eth);
#endif
ipv4_layer(false);
arp_layer(false);
icmp_layer(false);
udp_layer(false);
ethernet_uninit();
netstack_initialized = false;
return 0;
}
/* utility routines for dealing with ip and mac address strings */
void mac2str(uint8_t mac[6], char *ascii, size_t size)
{
snprintf(ascii, size, "%02x:%02x:%02x:%02x:%02x:%02x",mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
}
void ip2str(const uint8_t *ip, char *str, size_t size)
{
snprintf(str, size, "%u.%u.%u.%u", ip[3], ip[2], ip[1], ip[0]);
}