Esempio n. 1
0
BAREBOX_CMD_END
#endif /* CONFIG_NET_RARP */

static int do_ethact(struct command *cmdtp, int argc, char *argv[])
{
	struct eth_device *edev;

	if (argc == 1) {
		edev = eth_get_current();
		if (edev)
			printf("%s%d\n", edev->dev.name, edev->dev.id);
		return 0;
	}

	if (argc != 2)
		return COMMAND_ERROR_USAGE;

	edev = eth_get_byname(argv[1]);
	if (edev)
		eth_set_current(edev);
	else {
		printf("no such net device: %s\n", argv[1]);
		return 1;
	}

	return 0;
}
Esempio n. 2
0
static int do_ethact(int argc, char *argv[])
{
	struct eth_device *edev;

	if (argc == 1) {
		edev = eth_get_current();
		if (edev)
			printf("%s%d\n", edev->dev.name, edev->dev.id);
		return 0;
	}

	if (argc != 2)
		return COMMAND_ERROR_USAGE;

	edev = eth_get_byname(argv[1]);
	if (edev)
		eth_set_current(edev);
	else {
		printf("no such net device: %s\n", argv[1]);
		return 1;
	}

	return 0;
}
Esempio n. 3
0
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;
}
Esempio n. 4
0
int ifup(const char *name, unsigned flags)
{
	int ret;
	char *cmd, *cmd_discover;
	const char *ip;
	struct stat s;
	int i;
	struct device_d *dev;
	struct eth_device *edev = eth_get_byname(name);

	if (edev && edev->ipaddr && !(flags & IFUP_FLAG_FORCE))
		return 0;

	eth_set_current(edev);

	env_push_context();

	setenv("ip", "");

	for (i = 0; i < ARRAY_SIZE(vars); i++)
		setenv(vars[i], "");

	cmd = basprintf("source /env/network/%s", name);
	cmd_discover = basprintf("/env/network/%s-discover", name);

	ret = run_command(cmd);
	if (ret) {
		pr_err("Running '%s' failed with %d\n", cmd, ret);
		goto out;
	}

	ret = stat(cmd_discover, &s);
	if (!ret) {
		ret = run_command(cmd_discover);
		if (ret) {
			pr_err("Running '%s' failed with %d\n", cmd, ret);
			goto out;
		}
	}

	dev = get_device_by_name(name);
	if (!dev) {
		pr_err("Cannot find device %s\n", name);
		goto out;
	}

	ret = eth_set_param(dev, "ethaddr");
	if (ret)
		goto out;

	ip = getenv("ip");
	if (!ip)
		ip = "";

	if (!strcmp(ip, "dhcp")) {
		ret = run_command("dhcp");
		if (ret)
			goto out;
		ret = eth_set_param(dev, "serverip");
		if (ret)
			goto out;
	} else if (!strcmp(ip, "static")) {
		for (i = 0; i < ARRAY_SIZE(vars); i++) {
			ret = eth_set_param(dev, vars[i]);
			if (ret)
				goto out;
		}
	} else {
		pr_err("unknown ip type: %s\n", ip);
		ret = -EINVAL;
		goto out;
	}

	ret = 0;
out:
	env_pop_context();
	free(cmd);
	free(cmd_discover);

	return ret;
}