81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* Copyright (C) 2015 PHYTEC Messtechnik GmbH,
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* Author: Wadim Egorov <w.egorov@phytec.de>
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*
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* Based on work of Sascha Hauer <s.hauer@pengutronix.de>.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <common.h>
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#include <command.h>
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#include <complete.h>
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#include <environment.h>
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#include <getopt.h>
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#include <dhcp.h>
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static int do_dhcp(int argc, char *argv[])
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{
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int ret, opt;
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int retries = DHCP_DEFAULT_RETRY;
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struct dhcp_req_param dhcp_param;
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memset(&dhcp_param, 0, sizeof(struct dhcp_req_param));
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getenv_uint("global.dhcp.retries", &retries);
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while ((opt = getopt(argc, argv, "H:v:c:u:U:r:")) > 0) {
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switch (opt) {
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case 'H':
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dhcp_param.hostname = optarg;
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break;
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case 'v':
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dhcp_param.vendor_id = optarg;
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break;
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case 'c':
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dhcp_param.client_id = optarg;
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break;
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case 'u':
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dhcp_param.client_uuid = optarg;
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break;
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case 'U':
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dhcp_param.user_class = optarg;
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break;
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case 'r':
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retries = simple_strtoul(optarg, NULL, 10);
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break;
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default:
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return COMMAND_ERROR_USAGE;
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}
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}
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if (!retries) {
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printf("retries is set to zero, set it to %d\n", DHCP_DEFAULT_RETRY);
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retries = DHCP_DEFAULT_RETRY;
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}
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ret = dhcp(retries, &dhcp_param);
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return ret;
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}
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BAREBOX_CMD_HELP_START(dhcp)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT("-H HOSTNAME", "hostname to send to the DHCP server")
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BAREBOX_CMD_HELP_OPT("-v ID\t", "DHCP Vendor ID (code 60) submitted in DHCP requests")
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BAREBOX_CMD_HELP_OPT("-c ID\t", "DHCP Client ID (code 61) submitted in DHCP requests")
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BAREBOX_CMD_HELP_OPT("-u UUID\t", "DHCP Client UUID (code 97) submitted in DHCP requests")
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BAREBOX_CMD_HELP_OPT("-U CLASS", "DHCP User class (code 77) submitted in DHCP requests")
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BAREBOX_CMD_HELP_OPT("-r RETRY", "retry limit (default 20)");
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(dhcp)
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.cmd = do_dhcp,
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BAREBOX_CMD_DESC("DHCP client to obtain IP or boot params")
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BAREBOX_CMD_OPTS("[-HvcuUr]")
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BAREBOX_CMD_GROUP(CMD_GRP_NET)
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BAREBOX_CMD_HELP(cmd_dhcp_help)
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BAREBOX_CMD_COMPLETE(empty_complete)
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BAREBOX_CMD_END
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