[PATCH very-draft] add ifconfig command

[Antony Pavlov <antonynpavlov@gmail.com>]

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
 commands/Kconfig    |    6 +++
 commands/Makefile   |    1 +
 commands/ifconfig.c |   97 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 104 insertions(+), 0 deletions(-)
 create mode 100644 commands/ifconfig.c

diff --git a/commands/Kconfig b/commands/Kconfig
index 5700dc2..6f65791 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -432,6 +432,12 @@ config CMD_USB
 	help
 	  The usb command allows to rescan for USB devices.
 
+config CMD_IFCONFIG
+	bool
+	depends on NET
+	prompt "ifconfig"
+	help
+	  The ifconfig command allows to setup network interface parameters.
 endmenu
 
 endif
diff --git a/commands/Makefile b/commands/Makefile
index 8ee4aba..014c16b 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_CMD_LOGIN)		+= login.o
 obj-$(CONFIG_CMD_LED)		+= led.o
 obj-$(CONFIG_CMD_LED_TRIGGER)	+= trigger.o
 obj-$(CONFIG_CMD_USB)		+= usb.o
+obj-$(CONFIG_CMD_IFCONFIG)	+= ifconfig.o
diff --git a/commands/ifconfig.c b/commands/ifconfig.c
new file mode 100644
index 0000000..cde8434
--- /dev/null
+++ b/commands/ifconfig.c
@@ -0,0 +1,97 @@
+/*
+ * ifconfig.c - configure a network interface
+ *
+ * Copyright (C) 2011 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * 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 version 2
+ * as published by the Free Software Foundation.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <driver.h>
+#include <net.h>
+#include <fs.h>
+#include <errno.h>
+#include <libbb.h>
+
+static void print_iface_params(struct eth_device *edev)
+{
+	struct param_d *p;
+
+	if (edev->active) {
+		printf("UP");
+	} else {
+		printf("DOWN");
+	}
+
+	p = get_param_by_name(&edev->dev, "ethaddr");
+	if (p && p->value) {
+		printf(" HWaddr %s\n", p->value);
+	} else {
+		printf("\n");
+	}
+
+	p = get_param_by_name(&edev->dev, "ipaddr");
+	if (p && p->value) {
+		printf("inet addr:%s ", p->value);
+	}
+
+	p = get_param_by_name(&edev->dev, "netmask");
+	if (p && p->value) {
+		printf("Mask:%s\n", p->value);
+	} else {
+		printf("\n");
+	}
+
+	p = get_param_by_name(&edev->dev, "gateway");
+	if (p && p->value) {
+		printf("gateway:%s\n", p->value);
+	}
+
+	p = get_param_by_name(&edev->dev, "serverip");
+	if (p && p->value) {
+		printf("serverip:%s\n", p->value);
+	}
+}
+
+static int do_ifconfig(struct command *cmdtp, int argc, char *argv[])
+{
+	struct eth_device *edev;
+
+	if (argc < 2)
+		return COMMAND_ERROR_USAGE;
+
+	edev = eth_get_byname(argv[1]);
+	if (edev) {
+		print_iface_params(edev);
+	} else {
+		printf("no such net device: %s\n", argv[1]);
+		return COMMAND_ERROR;
+	}
+
+	return COMMAND_SUCCESS;
+}
+
+static const __maybe_unused char cmd_ifconfig_help[] =
+"Usage: ifconfig <ethx> <ip>\n";
+
+BAREBOX_CMD_START(ifconfig)
+	.cmd		= do_ifconfig,
+	.usage		= "setup current ethernet device",
+	BAREBOX_CMD_HELP(cmd_ifconfig_help)
+BAREBOX_CMD_END
-- 
1.7.5.4


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