static void *am33xx_net_boot(void)
{
void *buf = NULL;
int err;
int len;
struct dhcp_req_param dhcp_param;
const char *bootfile, *ip;
char *file;
am33xx_register_ethaddr(0, 0);
memset(&dhcp_param, 0, sizeof(struct dhcp_req_param));
dhcp_param.vendor_id = "am335x barebox-mlo";
err = dhcp(20, &dhcp_param);
if (err) {
printf("dhcp failed\n");
return NULL;
}
/*
* Older tftp server don't send the file size.
* Then tftpfs needs temporary place to store the file.
*/
err = mount("none", "ramfs", "/", NULL);
if (err < 0) {
printf("failed to mount ramfs\n");
return NULL;
}
err = make_directory(TFTP_MOUNT);
if (err)
return NULL;
ip = ip_to_string(net_get_serverip());
err = mount(ip, "tftp", TFTP_MOUNT, NULL);
if (err < 0) {
printf("Unable to mount.\n");
return NULL;
}
bootfile = getenv("bootfile");
if (!bootfile) {
printf("bootfile not found.\n");
return NULL;
}
file = asprintf("%s/%s", TFTP_MOUNT, bootfile);
buf = read_file(file, &len);
if (!buf)
printf("could not read %s.\n", bootfile);
free(file);
umount(TFTP_MOUNT);
return buf;
}
static int do_nfs(int argc, char *argv[])
{
char *localfile;
char *remotefile;
if (argc < 2)
return COMMAND_ERROR_USAGE;
remotefile = argv[1];
if (argc == 2)
localfile = basename(remotefile);
else
localfile = argv[2];
net_store_fd = open(localfile, O_WRONLY | O_CREAT);
if (net_store_fd < 0) {
perror("open");
return 1;
}
nfs_con = net_udp_new(net_get_serverip(), 0, nfs_handler, NULL);
if (IS_ERR(nfs_con)) {
nfs_err = PTR_ERR(nfs_con);
goto err_udp;
}
net_udp_bind(nfs_con, 1000);
nfs_err = 0;
nfs_start(remotefile);
while (nfs_state != STATE_DONE) {
if (ctrlc()) {
nfs_err = -EINTR;
break;
}
net_poll();
if (is_timeout(nfs_timer_start, NFS_TIMEOUT * SECOND)) {
show_progress(-1);
nfs_send();
}
}
net_unregister(nfs_con);
err_udp:
close(net_store_fd);
if (nfs_err) {
printf("NFS failed: %s\n", strerror(-nfs_err));
unlink(localfile);
}
printf("\n");
return nfs_err == 0 ? 0 : 1;
}
static void *am33xx_net_boot(void)
{
void *buf = NULL;
int err;
int len;
struct dhcp_req_param dhcp_param;
const char *bootfile;
IPaddr_t ip;
char *file;
char ip4_str[sizeof("255.255.255.255")];
struct eth_device *edev;
struct dhcp_result *dhcp_res;
am33xx_register_ethaddr(0, 0);
memset(&dhcp_param, 0, sizeof(struct dhcp_req_param));
dhcp_param.vendor_id = "am335x barebox-mlo";
edev = eth_get_byname("eth0");
if (!edev) {
printf("eth0 not found\n");
return NULL;
}
err = dhcp_request(edev, &dhcp_param, &dhcp_res);
if (err) {
printf("dhcp failed\n");
return NULL;
}
dhcp_set_result(edev, dhcp_res);
edev->ifup = true;
/*
* Older tftp server don't send the file size.
* Then tftpfs needs temporary place to store the file.
*/
err = mount("none", "ramfs", "/", NULL);
if (err < 0) {
printf("failed to mount ramfs\n");
return NULL;
}
err = make_directory(TFTP_MOUNT);
if (err)
return NULL;
ip = net_get_serverip();
sprintf(ip4_str, "%pI4", &ip);
err = mount(ip4_str, "tftp", TFTP_MOUNT, NULL);
if (err < 0) {
printf("Unable to mount.\n");
return NULL;
}
bootfile = dhcp_res->bootfile;
if (!bootfile) {
printf("bootfile not found.\n");
return NULL;
}
file = basprintf("%s/%s", TFTP_MOUNT, bootfile);
buf = read_file(file, &len);
if (!buf)
printf("could not read %s.\n", bootfile);
free(file);
umount(TFTP_MOUNT);
return buf;
}
static int do_tftpb(int argc, char *argv[])
{
char *source, *dest, *freep;
int opt;
unsigned long flags;
int tftp_push = 0;
int ret;
IPaddr_t ip;
while ((opt = getopt(argc, argv, "p")) > 0) {
switch(opt) {
case 'p':
tftp_push = 1;
break;
default:
return COMMAND_ERROR_USAGE;
}
}
if (argc <= optind)
return COMMAND_ERROR_USAGE;
source = argv[optind++];
if (argc == optind)
dest = basename(source);
else
dest = argv[optind];
if (tftp_push) {
dest = freep = asprintf("%s/%s", TFTP_MOUNT_PATH, dest);
flags = O_RDONLY;
} else {
source = freep = asprintf("%s/%s", TFTP_MOUNT_PATH, source);
flags = O_WRONLY | O_CREAT;
}
if (!freep)
return -ENOMEM;
ret = make_directory(TFTP_MOUNT_PATH);
if (ret)
goto err_free;
ip = net_get_serverip();
ret = mount(ip_to_string(ip), "tftp", TFTP_MOUNT_PATH);
if (ret)
goto err_rmdir;
debug("%s: %s -> %s\n", __func__, source, dest);
ret = copy_file(source, dest, 1);
umount(TFTP_MOUNT_PATH);
err_rmdir:
rmdir(TFTP_MOUNT_PATH);
err_free:
free(freep);
return ret;
}
