[RFC 08/12] net: picotcp: add ifconfig command

[Antony Pavlov]

Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
---
 net/Makefile           |   1 +
 net/picotcp/Kconfig    |   5 +++
 net/picotcp_ifconfig.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 122 insertions(+)

diff --git a/net/Makefile b/net/Makefile
index bfe74fb..d5b133b 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_NET_PICOTCP) += picotcp/
 obj-$(CONFIG_NET_PICOTCP) += picotcp.o
 
 obj-$(CONFIG_CMD_PICOTCP_TEST_IPV4) += picotcp_test_ipv4.o
+obj-$(CONFIG_CMD_PICOTCP_IFCONFIG) += picotcp_ifconfig.o
diff --git a/net/picotcp/Kconfig b/net/picotcp/Kconfig
index 17b8293..9a2d628 100644
--- a/net/picotcp/Kconfig
+++ b/net/picotcp/Kconfig
@@ -38,4 +38,9 @@ config CMD_PICOTCP_TEST_IPV4
 	depends on NET_PICO_SUPPORT_IPV4
 	prompt "test_picotcp command"
 
+config CMD_PICOTCP_IFCONFIG
+	bool
+	depends on NET_PICO_SUPPORT_IPV4
+	prompt "ifconfig command"
+
 endif # NET_PICOTCP
diff --git a/net/picotcp_ifconfig.c b/net/picotcp_ifconfig.c
new file mode 100644
index 0000000..1d4e89b
--- /dev/null
+++ b/net/picotcp_ifconfig.c
@@ -0,0 +1,116 @@
+#include <common.h>
+#include <command.h>
+#include <complete.h>
+
+#include <pico_stack.h>
+#include <pico_ipv4.h>
+#include <pico_dev_null.h>
+#include <pico_icmp4.h>
+#include <pico_tree.h>
+
+extern struct pico_tree Device_tree;
+extern struct pico_tree Tree_dev_link;
+
+static void printf_iface(struct pico_device *dev)
+{
+	struct pico_ipv4_link *link;
+	struct pico_tree_node *index;
+
+	printf("%-10s", dev->name);
+
+	if (dev->eth) {
+		struct pico_ethdev *eth = dev->eth;
+
+		printf("Link encap:Ethernet  HWaddr ");
+		printf("%02x:%02x:%02x:%02x:%02x:%02x",
+			eth->mac.addr[0], eth->mac.addr[1],
+			eth->mac.addr[2], eth->mac.addr[3],
+			eth->mac.addr[4], eth->mac.addr[5]);
+	}
+	printf("\n");
+
+	pico_tree_foreach(index, &Tree_dev_link) {
+		link = index->keyValue;
+		if (dev == link->dev) {
+			char ipstr[16];
+			pico_ipv4_to_string(ipstr, link->address.addr);
+			printf("          inet addr:%s", ipstr);
+			pico_ipv4_to_string(ipstr, link->netmask.addr);
+			printf(" Mask:%s\n", ipstr);
+		}
+	}
+	printf("\n");
+}
+
+static int do_ifconfig(int argc, char *argv[])
+{
+	struct pico_device *picodev;
+	struct pico_ip4 ipaddr, nm;
+	int ret;
+
+	if (argc == 1) {
+		struct pico_tree_node *index;
+
+		pico_tree_foreach(index, &Device_tree) {
+			printf_iface(index->keyValue);
+		}
+
+		return 0;
+	}
+
+	picodev = pico_get_device(argv[1]);
+	if (!picodev) {
+		struct pico_device *dev;
+		struct pico_tree_node *index;
+
+		perror("wrong device name");
+
+		printf("available interfaces:\n");
+
+		pico_tree_foreach(index, &Device_tree) {
+			dev = index->keyValue;
+			printf("%s\n", dev->name);
+		}
+
+		return 1;
+	}
+
+	if (argc == 2) {
+		struct pico_tree_node *index;
+
+		pico_tree_foreach(index, &Device_tree) {
+			struct pico_device *dev = index->keyValue;
+
+			if (!strcmp(dev->name, argv[1])) {
+				printf_iface(dev);
+			}
+		}
+
+		return 0;
+	}
+
+	if (argc < 4) {
+		perror("ifconfig");
+		return 1;
+	}
+
+	ret = pico_string_to_ipv4(argv[2], &(ipaddr.addr));
+	if (ret) {
+		perror("wrong ipaddr");
+		return 1;
+	}
+
+	ret = pico_string_to_ipv4(argv[3], &(nm.addr));
+	if (ret) {
+		perror("wrong netmask");
+		return 1;
+	}
+
+	pico_ipv4_link_add(picodev, ipaddr, nm);
+
+	return 0;
+}
+
+BAREBOX_CMD_START(ifconfig)
+	.cmd		= do_ifconfig,
+BAREBOX_CMD_END
-- 
2.1.4