svn_rev_650

1 files changed, 249 insertions, 0 deletions

diff --git a/commands/net.c b/commands/net.c
new file mode 100644
index 0000000000..64d3601027
--- /dev/null
+++ b/commands/net.c
@@ -0,0 +1,249 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Boot support
+ */
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <driver.h>
+#include <net.h>
+#include <fs.h>
+#include <fcntl.h>
+#include <errno.h>
+
+extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
+
+static int netboot_common (proto_t, cmd_tbl_t *, int , char *[]);
+
+static void netboot_update_env (void)
+{
+	struct eth_device *eth_current = eth_get_current();
+	char tmp[22];
+
+	if (NetOurGatewayIP)
+		dev_set_param_ip(eth_current->dev, "gateway", NetOurGatewayIP);
+
+	if (NetOurSubnetMask)
+		dev_set_param_ip(eth_current->dev, "netmask", NetOurSubnetMask);
+
+
+	if (NetOurHostName[0])
+		setenv ("hostname", NetOurHostName);
+
+	if (NetOurRootPath[0])
+		setenv ("rootpath", NetOurRootPath);
+
+	if (NetOurIP)
+		dev_set_param_ip(eth_current->dev, "ip", NetOurIP);
+
+	if (NetServerIP)
+		dev_set_param_ip(eth_current->dev, "serverip", NetServerIP);
+
+	if (NetOurDNSIP) {
+		ip_to_string (NetOurDNSIP, tmp);
+		setenv ("dnsip", tmp);
+	}
+#if (CONFIG_BOOTP_MASK & CONFIG_BOOTP_DNS2)
+	if (NetOurDNS2IP) {
+		ip_to_string (NetOurDNS2IP, tmp);
+		setenv ("dnsip2", tmp);
+	}
+#endif
+	if (NetOurNISDomain[0])
+		setenv ("domain", NetOurNISDomain);
+
+#if defined CONFIG_NET_SNTP && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_TIMEOFFSET)
+	if (NetTimeOffset) {
+		sprintf (tmp, "%d", NetTimeOffset);
+		setenv ("timeoffset", tmp);
+	}
+#endif
+#if defined CONFIG_NET_SNTP && (CONFIG_BOOTP_MASK & CONFIG_BOOTP_NTPSERVER)
+	if (NetNtpServerIP) {
+		ip_to_string (NetNtpServerIP, tmp);
+		setenv ("ntpserverip", tmp);
+	}
+#endif
+}
+
+int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	return netboot_common (BOOTP, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD_START(bootp)
+	.maxargs	= 3,
+	.cmd		= do_bootp,
+	.usage		= "boot image via network using bootp/tftp protocol",
+	U_BOOT_CMD_HELP("[loadAddress] [bootfilename]\n")
+U_BOOT_CMD_END
+
+int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	return netboot_common (TFTP, cmdtp, argc, argv);
+}
+
+static __maybe_unused char cmd_tftpboot_help[] =
+"Usage: tftpboot <localfile> <remotefile>\n"
+"Load a file via network using BootP/TFTP protocol\n";
+
+U_BOOT_CMD_START(tftpboot)
+	.maxargs	= 3,
+	.cmd		= do_tftpb,
+	.usage		= "boot image via network using tftp protocol",
+	U_BOOT_CMD_HELP(cmd_tftpboot_help)
+U_BOOT_CMD_END
+
+int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	return netboot_common (RARP, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD_START(rarpboot)
+	.maxargs	= 3,
+	.cmd		= do_rarpb,
+	.usage		= "boot image via network using rarp/tftp protocol",
+	U_BOOT_CMD_HELP("[loadAddress] [bootfilename]\n")
+U_BOOT_CMD_END
+
+#ifdef CONFIG_NET_DHCP
+int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	int size;
+
+	if ((size = NetLoop(DHCP)) < 0)
+		return 1;
+
+	/* NetLoop ok, update environment */
+	netboot_update_env();
+
+	return 0;
+}
+
+U_BOOT_CMD_START(dhcp)
+	.maxargs	= 3,
+	.cmd		= do_dhcp,
+	.usage		= "invoke dhcp client to obtain ip/boot params",
+U_BOOT_CMD_END
+
+#endif	/* CONFIG_NET_DHCP */
+
+#ifdef CONFIG_NET_NFS
+int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+	return netboot_common(NFS, cmdtp, argc, argv);
+}
+
+U_BOOT_CMD_START(nfs)
+	.maxargs	= 3,
+	.cmd		= do_nfs,
+	.usage		= "boot image via network using nfs protocol",
+	U_BOOT_CMD_HELP("[loadAddress] [host ip addr:bootfilename]\n")
+U_BOOT_CMD_END
+
+#endif	/* CONFIG_NET_NFS */
+
+int net_store_fd;
+
+static int
+netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
+{
+	int   rcode = 0;
+	int   size;
+
+	if (argc < 3) {
+		printf ("Usage:\n%s\n", cmdtp->usage);
+		return 1;
+	}
+
+	net_store_fd = open(argv[1], O_WRONLY | O_CREAT);
+	if (net_store_fd < 0) {
+		perror("open");
+		return 1;
+	}
+
+	copy_filename (BootFile, argv[2], sizeof(BootFile));
+
+	if ((size = NetLoop(proto)) < 0)
+		return 1;
+
+	/* NetLoop ok, update environment */
+	netboot_update_env();
+
+	/* done if no file was loaded (no errors though) */
+	if (size == 0)
+		return 0;
+
+	/* flush cache */
+	flush_cache(load_addr, size);
+
+	return rcode;
+}
+
+#if (CONFIG_COMMANDS & CFG_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 *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_START(cdp)
+	.maxargs	= 1,
+	.cmd		= do_cdp,
+	.usage		= "Perform CDP network configuration",
+	U_BOOT_CMD_HELP("[loadAddress] [host ip addr:bootfilename]\n")
+U_BOOT_CMD_END
+
+#endif	/* CFG_CMD_CDP */