void
tftp_net_init(void)
{
uip_ipaddr_t ip;
uip_ipaddr_copy(&ip, all_ones_addr);
uip_udp_conn_t *tftp_conn = uip_udp_new(&ip, 0, tftp_net_main);
if(! tftp_conn)
return; /* dammit. */
uip_udp_bind(tftp_conn, HTONS(TFTP_PORT));
#ifdef TFTPOMATIC_SUPPORT
tftp_conn->appstate.tftp.fire_req = 0;
#ifndef IPV6_SUPPORT /* IPv6 is handled in ipv6.c (after ra) */
const unsigned char *filename = CONF_TFTP_IMAGE;
CONF_TFTP_IP;
tftp_fire_tftpomatic(&ip, filename);
#endif /* !IPV6_SUPPORT */
#endif /* TFTPOMATIC_SUPPORT */
}
void
bootp_handle_reply(void)
{
int i;
struct bootp *pk = uip_appdata;
if(pk->bp_op != BOOTREPLY)
return; /* ugh? shouldn't happen */
if(pk->bp_htype != HTYPE_ETHERNET)
return;
for(i = 0; i < 4; i ++) {
if(pk->bp_xid[i] != uip_udp_conn->appstate.bootp.xid[i])
return; /* session id doesn't match */
if(pk->bp_vend[i] != replycookie[i])
return; /* reply cookie doesn't match */
}
/*
* looks like we have received a valid bootp reply,
* prepare to override eeprom configuration
*/
uip_ipaddr_t ips[5];
memset(&ips, 0, sizeof(ips));
/* extract our ip addresses, subnet-mask and gateway ... */
memcpy(&ips[0], pk->bp_yiaddr, 4);
uip_sethostaddr(&ips[0]);
debug_printf ("BOOTP: configured new ip address %d.%d.%d.%d\n",
((unsigned char *) ips)[0], ((unsigned char *) ips)[1],
((unsigned char *) ips)[2], ((unsigned char *) ips)[3]);
unsigned char *ptr = pk->bp_vend + 4;
while(*ptr != 0xFF) {
switch(* ptr) {
case TAG_SUBNET_MASK:
memcpy(&ips[1], &ptr[2], 4);
uip_setnetmask(&ips[1]);
break;
case TAG_GATEWAY:
memcpy(&ips[2], &ptr[2], 4);
uip_setdraddr(&ips[2]);
break;
#ifdef DNS_SUPPORT
case TAG_DOMAIN_SERVER:
memcpy(&ips[3], &ptr[2], 4);
resolv_conf(&ips[3]);
break;
#endif
#ifdef NTP_SUPPORT
case TAG_NTP_SERVER:
/* This will set the ntp connection to the server set by the bootp
* request
*/
memcpy(&ips[4], &ptr[2], 4);
ntp_conf(&ips[4]);
break;
#endif
}
ptr = ptr + ptr[1] + 2;
}
/* Remove the bootp connection */
uip_udp_remove(uip_udp_conn);
#ifdef BOOTP_TO_EEPROM_SUPPORT
eeprom_save(ip, &ips[0], IPADDR_LEN);
eeprom_save(netmask, &ips[1], IPADDR_LEN);
eeprom_save(gateway, &ips[2], IPADDR_LEN);
#ifdef DNS_SUPPORT
eeprom_save(dns_server, &ips[3], IPADDR_LEN);
#endif
#ifdef NTP_SUPPORT
eeprom_save(ntp_server, &ips[4], IPADDR_LEN);
#endif
#endif /* BOOTP_TO_EEPROM_SUPPORT */
#ifdef DYNDNS_SUPPORT
dyndns_update();
#endif
#if defined(TFTP_SUPPORT) && defined(BOOTLOADER_SUPPORT)
if(pk->bp_file[0] == 0)
return; /* no boot filename provided */
debug_putstr("load:");
debug_putstr(pk->bp_file);
debug_putchar('\n');
/* create tftp connection, which will fire the download request */
uip_ipaddr_t ip;
uip_ipaddr(&ip, pk->bp_siaddr[0], pk->bp_siaddr[1],
pk->bp_siaddr[2], pk->bp_siaddr[3]);
tftp_fire_tftpomatic(&ip, pk->bp_file);
#endif /* TFTP_SUPPORT */
}
void
network_init(void)
{
uip_ipaddr_t ip;
(void) ip; /* Keep GCC quiet. */
uip_init();
#if defined(RFM12_IP_SUPPORT) && defined(UIP_MULTI_STACK)
uip_stack_set_active(STACK_RFM12);
rfm12_stack_init();
#endif
#if defined(ZBUS_SUPPORT) && defined(UIP_MULTI_STACK)
uip_stack_set_active(STACK_ZBUS);
zbus_stack_init();
#endif
#ifdef OPENVPN_SUPPORT
uip_stack_set_active(STACK_OPENVPN);
openvpn_init();
#endif
/* load base network settings */
# ifdef DEBUG_NET_CONFIG
debug_printf("net: loading base network settings\n");
# endif
#ifdef ETHERNET_SUPPORT
# ifdef ENC28J60_SUPPORT
uip_stack_set_active(STACK_ENC);
# else /* TAP_SUPPORT */
uip_stack_set_active(STACK_TAP);
#endif
/* use uip buffer as generic space here, since when this function is called,
* no network packets will be processed */
#ifdef EEPROM_SUPPORT
/* use global network packet buffer for configuration */
uint8_t checksum = eeprom_get_chksum();
uint8_t saved_checksum;
eeprom_restore_char(crc, &saved_checksum);
if (checksum != saved_checksum)
eeprom_init();
#endif
#ifdef ETHERNET_SUPPORT
network_config_load();
#endif
/* Do the autoconfiguration after the MAC is set */
# if UIP_CONF_IPV6 && !defined(IPV6_STATIC_SUPPORT)
uip_setprefixlen(64);
uip_ip6autoconfig(0xFE80, 0x0000, 0x0000, 0x0000);
# endif
# if defined(IPV6_STATIC_SUPPORT) && defined(TFTPOMATIC_SUPPORT)
const char *filename = CONF_TFTP_IMAGE;
set_CONF_TFTP_IP(&ip);
tftp_fire_tftpomatic(&ip, filename);
bootload_delay = CONF_BOOTLOAD_DELAY;
# endif /* IPV6_STATIC_SUPPORT && TFTPOMATIC_SUPPORT */
# elif !defined(ROUTER_SUPPORT) /* and not ETHERNET_SUPPORT */
/* Don't allow for eeprom-based configuration of rfm12/zbus IP address,
mainly for code size reasons. */
set_CONF_ETHERRAPE_IP(&ip);
uip_sethostaddr(&ip);
# endif /* not ETHERNET_SUPPORT and not ROUTER_SUPPORT */
ethersex_meta_netinit();
# ifdef ENC28J60_SUPPORT
init_enc28j60();
# endif
# ifdef ETHERNET_SUPPORT
# if UIP_CONF_IPV6
uip_neighbor_init();
# else
uip_arp_init();
# endif
# else /* ETHERNET_SUPPORT */
/* set at least fixed default gateway address
* to allow multi stack routing */
set_CONF_ETHERRAPE_GATEWAY(&ip);
uip_setdraddr(&ip);
# endif /* ETHERNET_SUPPORT */
}
