--- /dev/null
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <command.h>
+#include <net.h>
+
+static int netboot_common(enum proto_t, cmd_tbl_t *, int, char * const []);
+
+static int do_bootp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return netboot_common(BOOTP, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+ bootp, 3, 1, do_bootp,
+ "boot image via network using BOOTP/TFTP protocol",
+ "[loadAddress] [[hostIPaddr:]bootfilename]"
+);
+
+int do_tftpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret;
+
+ bootstage_mark_name(BOOTSTAGE_KERNELREAD_START, "tftp_start");
+ ret = netboot_common(TFTPGET, cmdtp, argc, argv);
+ bootstage_mark_name(BOOTSTAGE_KERNELREAD_STOP, "tftp_done");
+ return ret;
+}
+
+U_BOOT_CMD(
+ tftpboot, 3, 1, do_tftpb,
+ "boot image via network using TFTP protocol",
+ "[loadAddress] [[hostIPaddr:]bootfilename]"
+);
+
+#ifdef CONFIG_CMD_TFTPPUT
+int do_tftpput(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int ret;
+
+ ret = netboot_common(TFTPPUT, cmdtp, argc, argv);
+ return ret;
+}
+
+U_BOOT_CMD(
+ tftpput, 4, 1, do_tftpput,
+ "TFTP put command, for uploading files to a server",
+ "Address Size [[hostIPaddr:]filename]"
+);
+#endif
+
+#ifdef CONFIG_CMD_TFTPSRV
+static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ return netboot_common(TFTPSRV, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+ tftpsrv, 2, 1, do_tftpsrv,
+ "act as a TFTP server and boot the first received file",
+ "[loadAddress]\n"
+ "Listen for an incoming TFTP transfer, receive a file and boot it.\n"
+ "The transfer is aborted if a transfer has not been started after\n"
+ "about 50 seconds or if Ctrl-C is pressed."
+);
+#endif
+
+
+#ifdef CONFIG_CMD_RARP
+int do_rarpb(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return netboot_common(RARP, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+ rarpboot, 3, 1, do_rarpb,
+ "boot image via network using RARP/TFTP protocol",
+ "[loadAddress] [[hostIPaddr:]bootfilename]"
+);
+#endif
+
+#if defined(CONFIG_CMD_DHCP)
+static int do_dhcp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return netboot_common(DHCP, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+ dhcp, 3, 1, do_dhcp,
+ "boot image via network using DHCP/TFTP protocol",
+ "[loadAddress] [[hostIPaddr:]bootfilename]"
+);
+#endif
+
+#if defined(CONFIG_CMD_NFS)
+static int do_nfs(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ return netboot_common(NFS, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD(
+ nfs, 3, 1, do_nfs,
+ "boot image via network using NFS protocol",
+ "[loadAddress] [[hostIPaddr:]bootfilename]"
+);
+#endif
+
+static void netboot_update_env(void)
+{
+ char tmp[22];
+
+ if (NetOurGatewayIP) {
+ ip_to_string(NetOurGatewayIP, tmp);
+ setenv("gatewayip", tmp);
+ }
+
+ if (NetOurSubnetMask) {
+ ip_to_string(NetOurSubnetMask, tmp);
+ setenv("netmask", tmp);
+ }
+
+ if (NetOurHostName[0])
+ setenv("hostname", NetOurHostName);
+
+ if (NetOurRootPath[0])
+ setenv("rootpath", NetOurRootPath);
+
+ if (NetOurIP) {
+ ip_to_string(NetOurIP, tmp);
+ setenv("ipaddr", tmp);
+ }
+#if !defined(CONFIG_BOOTP_SERVERIP)
+ /*
+ * Only attempt to change serverip if net/bootp.c:BootpCopyNetParams()
+ * could have set it
+ */
+ if (NetServerIP) {
+ ip_to_string(NetServerIP, tmp);
+ setenv("serverip", tmp);
+ }
+#endif
+ if (NetOurDNSIP) {
+ ip_to_string(NetOurDNSIP, tmp);
+ setenv("dnsip", tmp);
+ }
+#if defined(CONFIG_BOOTP_DNS2)
+ if (NetOurDNS2IP) {
+ ip_to_string(NetOurDNS2IP, tmp);
+ setenv("dnsip2", tmp);
+ }
+#endif
+ if (NetOurNISDomain[0])
+ setenv("domain", NetOurNISDomain);
+
+#if defined(CONFIG_CMD_SNTP) \
+ && defined(CONFIG_BOOTP_TIMEOFFSET)
+ if (NetTimeOffset) {
+ sprintf(tmp, "%d", NetTimeOffset);
+ setenv("timeoffset", tmp);
+ }
+#endif
+#if defined(CONFIG_CMD_SNTP) \
+ && defined(CONFIG_BOOTP_NTPSERVER)
+ if (NetNtpServerIP) {
+ ip_to_string(NetNtpServerIP, tmp);
+ setenv("ntpserverip", tmp);
+ }
+#endif
+}
+
+static int netboot_common(enum proto_t proto, cmd_tbl_t *cmdtp, int argc,
+ char * const argv[])
+{
+ char *s;
+ char *end;
+ int rcode = 0;
+ int size;
+ ulong addr;
+
+ /* pre-set load_addr */
+ if ((s = getenv("loadaddr")) != NULL) {
+ load_addr = simple_strtoul(s, NULL, 16);
+ }
+
+ switch (argc) {
+ case 1:
+ break;
+
+ case 2: /*
+ * Only one arg - accept two forms:
+ * Just load address, or just boot file name. The latter
+ * form must be written in a format which can not be
+ * mis-interpreted as a valid number.
+ */
+ addr = simple_strtoul(argv[1], &end, 16);
+ if (end == (argv[1] + strlen(argv[1])))
+ load_addr = addr;
+ else
+ copy_filename(BootFile, argv[1], sizeof(BootFile));
+ break;
+
+ case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
+ copy_filename(BootFile, argv[2], sizeof(BootFile));
+
+ break;
+
+#ifdef CONFIG_CMD_TFTPPUT
+ case 4:
+ if (strict_strtoul(argv[1], 16, &save_addr) < 0 ||
+ strict_strtoul(argv[2], 16, &save_size) < 0) {
+ printf("Invalid address/size\n");
+ return cmd_usage(cmdtp);
+ }
+ copy_filename(BootFile, argv[3], sizeof(BootFile));
+ break;
+#endif
+ default:
+ bootstage_error(BOOTSTAGE_ID_NET_START);
+ return CMD_RET_USAGE;
+ }
+ bootstage_mark(BOOTSTAGE_ID_NET_START);
+
+ if ((size = NetLoop(proto)) < 0) {
+ bootstage_error(BOOTSTAGE_ID_NET_NETLOOP_OK);
+ return 1;
+ }
+ bootstage_mark(BOOTSTAGE_ID_NET_NETLOOP_OK);
+
+ /* NetLoop ok, update environment */
+ netboot_update_env();
+
+ /* done if no file was loaded (no errors though) */
+ if (size == 0) {
+ bootstage_error(BOOTSTAGE_ID_NET_LOADED);
+ return 0;
+ }
+
+ /* flush cache */
+ flush_cache(load_addr, size);
+
+ bootstage_mark(BOOTSTAGE_ID_NET_LOADED);
+
+ rcode = bootm_maybe_autostart(cmdtp, argv[0]);
+
+ if (rcode < 0)
+ bootstage_error(BOOTSTAGE_ID_NET_DONE_ERR);
+ else
+ bootstage_mark(BOOTSTAGE_ID_NET_DONE);
+ return rcode;
+}
+
+#if defined(CONFIG_CMD_PING)
+static int do_ping(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc < 2)
+ return -1;
+
+ NetPingIP = string_to_ip(argv[1]);
+ if (NetPingIP == 0)
+ return CMD_RET_USAGE;
+
+ if (NetLoop(PING) < 0) {
+ printf("ping failed; host %s is not alive\n", argv[1]);
+ return 1;
+ }
+
+ printf("host %s is alive\n", argv[1]);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ ping, 2, 1, do_ping,
+ "send ICMP ECHO_REQUEST to network host",
+ "pingAddress"
+);
+#endif
+
+#if defined(CONFIG_CMD_CDP)
+
+static void cdp_update_env(void)
+{
+ char tmp[16];
+
+ if (CDPApplianceVLAN != htons(-1)) {
+ printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
+ VLAN_to_string(CDPApplianceVLAN, tmp);
+ setenv("vlan", tmp);
+ NetOurVLAN = CDPApplianceVLAN;
+ }
+
+ if (CDPNativeVLAN != htons(-1)) {
+ printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
+ VLAN_to_string(CDPNativeVLAN, tmp);
+ setenv("nvlan", tmp);
+ NetOurNativeVLAN = CDPNativeVLAN;
+ }
+
+}
+
+int do_cdp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int r;
+
+ r = NetLoop(CDP);
+ if (r < 0) {
+ printf("cdp failed; perhaps not a CISCO switch?\n");
+ return 1;
+ }
+
+ cdp_update_env();
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ cdp, 1, 1, do_cdp,
+ "Perform CDP network configuration",
+ "\n"
+);
+#endif
+
+#if defined(CONFIG_CMD_SNTP)
+int do_sntp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ char *toff;
+
+ if (argc < 2) {
+ NetNtpServerIP = getenv_IPaddr("ntpserverip");
+ if (NetNtpServerIP == 0) {
+ printf("ntpserverip not set\n");
+ return (1);
+ }
+ } else {
+ NetNtpServerIP = string_to_ip(argv[1]);
+ if (NetNtpServerIP == 0) {
+ printf("Bad NTP server IP address\n");
+ return (1);
+ }
+ }
+
+ toff = getenv("timeoffset");
+ if (toff == NULL)
+ NetTimeOffset = 0;
+ else
+ NetTimeOffset = simple_strtol(toff, NULL, 10);
+
+ if (NetLoop(SNTP) < 0) {
+ printf("SNTP failed: host %pI4 not responding\n",
+ &NetNtpServerIP);
+ return 1;
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ sntp, 2, 1, do_sntp,
+ "synchronize RTC via network",
+ "[NTP server IP]\n"
+);
+#endif
+
+#if defined(CONFIG_CMD_DNS)
+int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ if (argc == 1)
+ return CMD_RET_USAGE;
+
+ /*
+ * We should check for a valid hostname:
+ * - Each label must be between 1 and 63 characters long
+ * - the entire hostname has a maximum of 255 characters
+ * - only the ASCII letters 'a' through 'z' (case-insensitive),
+ * the digits '0' through '9', and the hyphen
+ * - cannot begin or end with a hyphen
+ * - no other symbols, punctuation characters, or blank spaces are
+ * permitted
+ * but hey - this is a minimalist implmentation, so only check length
+ * and let the name server deal with things.
+ */
+ if (strlen(argv[1]) >= 255) {
+ printf("dns error: hostname too long\n");
+ return 1;
+ }
+
+ NetDNSResolve = argv[1];
+
+ if (argc == 3)
+ NetDNSenvvar = argv[2];
+ else
+ NetDNSenvvar = NULL;
+
+ if (NetLoop(DNS) < 0) {
+ printf("dns lookup of %s failed, check setup\n", argv[1]);
+ return 1;
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ dns, 3, 1, do_dns,
+ "lookup the IP of a hostname",
+ "hostname [envvar]"
+);
+
+#endif /* CONFIG_CMD_DNS */
+
+#if defined(CONFIG_CMD_LINK_LOCAL)
+static int do_link_local(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ char tmp[22];
+
+ if (NetLoop(LINKLOCAL) < 0)
+ return 1;
+
+ NetOurGatewayIP = 0;
+ ip_to_string(NetOurGatewayIP, tmp);
+ setenv("gatewayip", tmp);
+
+ ip_to_string(NetOurSubnetMask, tmp);
+ setenv("netmask", tmp);
+
+ ip_to_string(NetOurIP, tmp);
+ setenv("ipaddr", tmp);
+ setenv("llipaddr", tmp); /* store this for next time */
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ linklocal, 1, 1, do_link_local,
+ "acquire a network IP address using the link-local protocol",
+ ""
+);
+
+#endif /* CONFIG_CMD_LINK_LOCAL */
Code Review / kvmfornfv.git / blobdiff