void
net_init(void)
{
cyg_netdevtab_entry_t *t;
unsigned index;
struct eth_drv_sc *primary_net = (struct eth_drv_sc *)0;
#if defined(CYGHWR_NET_DRIVERS) && (CYGHWR_NET_DRIVERS > 1)
char *default_devname;
int default_index;
#endif
#ifdef CYGDAT_REDBOOT_DEFAULT_BOOTP_SERVER_IP_ADDR
char ip_addr[16];
#endif
// Set defaults as appropriate
#ifdef CYGSEM_REDBOOT_DEFAULT_NO_BOOTP
use_bootp = false;
#else
use_bootp = true;
#endif
#ifdef CYGDBG_REDBOOT_NET_DEBUG
net_debug = true;
#else
net_debug = false;
#endif
gdb_port = CYGNUM_REDBOOT_NETWORKING_TCP_PORT;
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
// Fetch values from saved config data, if available
#if defined(CYGHWR_NET_DRIVERS) && (CYGHWR_NET_DRIVERS > 1)
flash_get_config("net_device", &default_devname, CONFIG_NETPORT);
#endif
flash_get_config("net_debug", &net_debug, CONFIG_BOOL);
flash_get_config("gdb_port", &gdb_port, CONFIG_INT);
flash_get_config("bootp", &use_bootp, CONFIG_BOOL);
if (!use_bootp) {
flash_get_IP("bootp_my_ip", &__local_ip_addr);
#ifdef CYGSEM_REDBOOT_NETWORKING_USE_GATEWAY
flash_get_IP("bootp_my_ip_mask", &__local_ip_mask);
flash_get_IP("bootp_my_gateway_ip", &__local_ip_gate);
#endif
}
#endif
# ifdef CYGDBG_IO_ETH_DRIVERS_DEBUG
// Don't override if the user has deliberately set something more
// verbose.
if (0 == cyg_io_eth_net_debug)
cyg_io_eth_net_debug = net_debug;
# endif
have_net = false;
// Make sure the recv buffers are set up
eth_drv_buffers_init();
__pktbuf_init();
// Initialize network device(s).
#if defined(CYGHWR_NET_DRIVERS) && (CYGHWR_NET_DRIVERS > 1)
default_index = net_devindex(default_devname);
if (default_index < 0)
default_index = 0;
#ifdef CYGSEM_REDBOOT_NETWORK_INIT_ONE_DEVICE
if ((t = net_devtab_entry(default_index)) != NULL && t->init(t)) {
t->status = CYG_NETDEVTAB_STATUS_AVAIL;
primary_net = __local_enet_sc;
} else
#endif
#endif
for (index = 0; (t = net_devtab_entry(index)) != NULL; index++) {
#if defined(CYGSEM_REDBOOT_NETWORK_INIT_ONE_DEVICE)
if (index == default_index)
continue;
#endif
if (t->init(t)) {
t->status = CYG_NETDEVTAB_STATUS_AVAIL;
if (primary_net == (struct eth_drv_sc *)0) {
primary_net = __local_enet_sc;
}
#if defined(CYGHWR_NET_DRIVERS) && (CYGHWR_NET_DRIVERS > 1)
#if !defined(CYGSEM_REDBOOT_NETWORK_INIT_ONE_DEVICE)
if (index == default_index) {
primary_net = __local_enet_sc;
}
#else
break;
#endif
#endif
}
}
__local_enet_sc = primary_net;
if (!__local_enet_sc) {
diag_printf("No network interfaces found\n");
return;
}
// Initialize the network [if present]
if (use_bootp) {
if (__bootp_find_local_ip(&my_bootp_info) == 0) {
have_net = true;
} else {
// Is it an unset address, or has it been set to a static addr
if (__local_ip_addr[0] == 0 && __local_ip_addr[1] == 0 &&
__local_ip_addr[2] == 0 && __local_ip_addr[3] == 0) {
show_eth_info();
diag_printf("Can't get BOOTP info for device!\n");
} else {
diag_printf("Can't get BOOTP info, using default IP address\n");
have_net = true;
}
}
} else {
enet_addr_t enet_addr;
have_net = true; // Assume values in FLASH were OK
// Tell the world that we are using this fixed IP address
if (__arp_request((ip_addr_t *)__local_ip_addr, &enet_addr, 1) >= 0) {
diag_printf("Warning: IP address %s in use\n", inet_ntoa((in_addr_t *)&__local_ip_addr));
}
}
if (have_net) {
show_eth_info();
#ifdef CYGDAT_REDBOOT_DEFAULT_BOOTP_SERVER_IP_ADDR
diag_sprintf(ip_addr, "%d.%d.%d.%d",
CYGDAT_REDBOOT_DEFAULT_BOOTP_SERVER_IP_ADDR);
inet_aton(ip_addr, &my_bootp_info.bp_siaddr);
#endif
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
flash_get_IP("bootp_server_ip", (ip_addr_t *)&my_bootp_info.bp_siaddr);
#endif
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
redboot_dns_res_init();
#endif
show_addrs();
net_io_init();
}
}
void
net_init(void)
{
cyg_netdevtab_entry_t *t;
// Set defaults as appropriate
#ifdef CYGSEM_REDBOOT_DEFAULT_NO_BOOTP
use_bootp = false;
#else
use_bootp = true;
#endif
#ifdef CYGDBG_REDBOOT_NET_DEBUG
net_debug = true;
#else
net_debug = false;
#endif
gdb_port = CYGNUM_REDBOOT_NETWORKING_TCP_PORT;
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
// Fetch values from saved config data, if available
flash_get_config("net_debug", &net_debug, CONFIG_BOOL);
flash_get_config("gdb_port", &gdb_port, CONFIG_INT);
flash_get_config("bootp", &use_bootp, CONFIG_BOOL);
use_bootp = false;
if (!use_bootp)
{
flash_get_IP("bootp_my_ip", &__local_ip_addr);
#ifdef CYGSEM_REDBOOT_NETWORKING_USE_GATEWAY
flash_get_IP("bootp_my_ip_mask", &__local_ip_mask);
flash_get_IP("bootp_my_gateway_ip", &__local_ip_gate);
#endif
flash_get_config("bootp_server_ip", &my_bootp_info.bp_siaddr,
CONFIG_IP);
}
#endif
# ifdef CYGDBG_IO_ETH_DRIVERS_DEBUG
// Don't override if the user has deliberately set something more
// verbose.
if (0 == cyg_io_eth_net_debug)
cyg_io_eth_net_debug = net_debug;
# endif
have_net = false;
// Make sure the recv buffers are set up
eth_drv_buffers_init();
__pktbuf_init();
// Initialize all network devices
for (t = &__NETDEVTAB__[0]; t != &__NETDEVTAB_END__; t++) {
if (t->init(t)) {
t->status = CYG_NETDEVTAB_STATUS_AVAIL;
} else {
// What to do if device init fails?
t->status = 0; // Device not [currently] available
}
}
if (!__local_enet_sc) {
diag_printf("No network interfaces found\n");
return;
}
// Initialize the network [if present]
if (use_bootp) {
if (__bootp_find_local_ip(&my_bootp_info) == 0) {
have_net = true;
} else {
// Is it an unset address, or has it been set to a static addr
if (__local_ip_addr[0] == 0 && __local_ip_addr[1] == 0 &&
__local_ip_addr[2] == 0 && __local_ip_addr[3] == 0) {
diag_printf("Ethernet %s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
__local_enet_sc->dev_name,
__local_enet_addr[0],
__local_enet_addr[1],
__local_enet_addr[2],
__local_enet_addr[3],
__local_enet_addr[4],
__local_enet_addr[5]);
diag_printf("Can't get BOOTP info for device!\n");
} else {
diag_printf("Can't get BOOTP info, using default IP address\n");
have_net = true;
}
}
} else {
have_net = true; // Assume values in FLASH were OK
}
if (have_net) {
diag_printf("Ethernet %s: MAC address %02x:%02x:%02x:%02x:%02x:%02x\n",
__local_enet_sc->dev_name,
__local_enet_addr[0],
__local_enet_addr[1],
__local_enet_addr[2],
__local_enet_addr[3],
__local_enet_addr[4],
__local_enet_addr[5]);
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
redboot_dns_res_init();
#endif
show_addrs();
net_io_init();
}
}
void
do_ip_addr(int argc, char *argv[])
{
struct option_info opts[5];
char *ip_addr, *host_addr;
bool ip_addr_set, host_addr_set;
bool do_bootp = false;
struct sockaddr_in host;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
char *dns_addr;
bool dns_addr_set;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_FCONFIG_DOMAIN
char *dns_domain;
bool dns_domain_set;
#endif
#endif
int num_opts;
if (!have_net) {
diag_printf("Sorry, networking is not available.\n");
return;
}
init_opts(&opts[0], 'l', true, OPTION_ARG_TYPE_STR,
(void *)&ip_addr, (bool *)&ip_addr_set, "local IP address");
init_opts(&opts[1], 'h', true, OPTION_ARG_TYPE_STR,
(void *)&host_addr, (bool *)&host_addr_set, "default server address");
init_opts(&opts[2], 'b', false, OPTION_ARG_TYPE_FLG,
&do_bootp, 0, "use BOOTP");
num_opts = 3;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
init_opts(&opts[num_opts], 'd', true, OPTION_ARG_TYPE_STR,
(void *)&dns_addr, (bool *)&dns_addr_set, "DNS server address");
num_opts++;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_FCONFIG_DOMAIN
init_opts(&opts[num_opts], 'D', true, OPTION_ARG_TYPE_STR,
(void *)&dns_domain, (bool *)&dns_domain_set, "DNS domain");
num_opts++;
#endif
#endif
CYG_ASSERT(num_opts <= NUM_ELEMS(opts), "Too many options");
if (!scan_opts(argc, argv, 1, opts, num_opts, 0, 0, "")) {
return;
}
if (do_bootp) {
if (__bootp_find_local_ip(&my_bootp_info) != 0) {
diag_printf("Failed to get BOOTP address\n");
}
}
if (ip_addr_set) {
#ifdef CYGSEM_REDBOOT_NETWORKING_USE_GATEWAY
char *slash_pos;
/* see if the (optional) mask length was given */
if( (slash_pos = strchr(ip_addr, '/')) ) {
int mask_len;
unsigned long mask;
*slash_pos = '\0';
slash_pos++;
if( !parse_num(slash_pos, (unsigned long *)&mask_len, 0, 0) ||
mask_len <= 0 || mask_len > 32 ) {
diag_printf("Invalid mask length: %s\n", slash_pos);
return;
}
mask = htonl((0xffffffff << (32-mask_len))&0xffffffff);
memcpy(&__local_ip_mask, &mask, 4);
}
#endif
if (!_gethostbyname(ip_addr, (in_addr_t *)&host)) {
diag_printf("Invalid local IP address: %s\n", ip_addr);
return;
}
// Of course, each address goes in its own place :-)
memcpy(&__local_ip_addr, &host.sin_addr, sizeof(host.sin_addr));
}
if (host_addr_set) {
if (!_gethostbyname(host_addr, (in_addr_t *)&host)) {
diag_printf("Invalid server address: %s\n", host_addr);
return;
}
my_bootp_info.bp_siaddr = host.sin_addr;
}
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
if (dns_addr_set) {
set_dns(dns_addr);
}
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_FCONFIG_DOMAIN
if (dns_domain_set) {
setdomainname(dns_domain, strlen(dns_domain));
}
#endif
#endif
show_addrs();
if (!have_net) {
have_net = true;
net_io_init();
}
}