add new switch configuration api

SVN-Revision: 13009

1 files changed, 255 insertions, 0 deletions

diff --git a/package/swconfig/src/cli.c b/package/swconfig/src/cli.c
new file mode 100644
index 0000000..c6035e5
--- /dev/null
+++ b/package/swconfig/src/cli.c
@@ -0,0 +1,255 @@
+/*
+ * swconfig.c: Switch configuration utility
+ *
+ * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
+ *
+ * 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 Foundatio.
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <stdint.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <linux/types.h>
+#include <linux/netlink.h>
+#include <linux/genetlink.h>
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <linux/switch.h>
+#include "swlib.h"
+
+#define GET		1
+#define SET		2
+
+void print_attrs(struct switch_attr *attr)
+{
+	int i = 0;
+	while (attr) {
+		const char *type;
+		switch(attr->type) {
+			case SWITCH_TYPE_INT:
+				type = "int";
+				break;
+			case SWITCH_TYPE_STRING:
+				type = "string";
+				break;
+			case SWITCH_TYPE_PORTS:
+				type = "ports";
+				break;
+			case SWITCH_TYPE_NOVAL:
+				type = "none";
+				break;
+			default:
+				type = "unknown";
+				break;
+		}
+		printf("\tAttribute %d (%s): %s (%s)\n", ++i, type, attr->name, attr->description);
+		attr = attr->next;
+	}
+}
+
+void list_attributes(struct switch_dev *dev)
+{
+	printf("Switch %d: %s(%s), ports: %d, vlans: %d\n", dev->id, dev->dev_name, dev->name, dev->ports, dev->vlans);
+	printf("     --switch\n");
+	print_attrs(dev->ops);
+	printf("     --vlan\n");
+	print_attrs(dev->vlan_ops);
+	printf("     --port\n");
+	print_attrs(dev->port_ops);
+}
+
+void print_usage(void)
+{
+	printf("swconfig dev <dev> [port <port>|vlan <vlan>] (help|set <key> <value>|get <key>)\n");
+	exit(0);
+}
+
+int main(int argc, char **argv)
+{
+	int retval = 0;
+	struct switch_dev *dev;
+	struct switch_attr *a;
+	struct switch_val val;
+	int err;
+	int i;
+
+	struct switch_port *ports;
+
+	int cmd = 0;
+	char *cdev = NULL;
+	int cport = -1;
+	int cvlan = -1;
+	char *ckey = NULL;
+	char *cvalue = NULL;
+	int chelp = 0;
+
+	if(argc < 4)
+		print_usage();
+
+	if(strcmp(argv[1], "dev"))
+		print_usage();
+
+	cdev = argv[2];
+
+	for(i = 3; i < argc; i++)
+	{
+		int p;
+		if(!strcmp(argv[i], "help"))
+		{
+			chelp = 1;
+			continue;
+		}
+		if(i + 1 >= argc)
+			print_usage();
+		p = atoi(argv[i + 1]);
+		if(!strcmp(argv[i], "port"))
+		{
+			cport = p;
+		} else if(!strcmp(argv[i], "vlan"))
+		{
+			cvlan = p;
+		} else if(!strcmp(argv[i], "set"))
+		{
+			if(argc <= i + 1)
+				print_usage();
+			cmd = SET;
+			ckey = argv[i + 1];
+			if (argc > i + 2)
+				cvalue = argv[i + 2];
+			else
+				cvalue = NULL;
+			i++;
+		} else if(!strcmp(argv[i], "get"))
+		{
+			cmd = GET;
+			ckey = argv[i + 1];
+		} else{
+			print_usage();
+		}
+		i++;
+	}
+
+	if(cport > -1 && cvlan > -1)
+		print_usage();
+
+	dev = swlib_connect(cdev);
+	if (!dev) {
+		fprintf(stderr, "Failed to connect to the switch\n");
+		return 1;
+	}
+
+	ports = malloc(sizeof(struct switch_port) * dev->ports);
+	memset(ports, 0, sizeof(struct switch_port) * dev->ports);
+	swlib_scan(dev);
+
+	if(chelp)
+	{
+		list_attributes(dev);
+		goto out;
+	}
+
+	if(cport > -1)
+		a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_PORT, ckey);
+	else if(cvlan > -1)
+		a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_VLAN, ckey);
+	else
+		a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, ckey);
+
+	if(!a)
+	{
+		fprintf(stderr, "Unknown attribute \"%s\"\n", ckey);
+		goto out;
+	}
+
+	switch(cmd)
+	{
+	case SET:
+		if ((a->type != SWITCH_TYPE_NOVAL) &&
+				(cvalue == NULL))
+			print_usage();
+
+		switch(a->type) {
+		case SWITCH_TYPE_INT:
+			val.value.i = atoi(cvalue);
+			break;
+		case SWITCH_TYPE_STRING:
+			val.value.s = cvalue;
+			break;
+		case SWITCH_TYPE_PORTS:
+			val.len = 0;
+			while(cvalue && *cvalue)
+			{
+				ports[val.len].flags = 0;
+				ports[val.len].id = strtol(cvalue, &cvalue, 10);
+				while(*cvalue && !isspace(*cvalue)) {
+					if (*cvalue == 't')
+						ports[val.len].flags |= SWLIB_PORT_FLAG_TAGGED;
+					cvalue++;
+				}
+				if (*cvalue)
+					cvalue++;
+				val.len++;
+			}
+			val.value.ports = ports;
+			break;
+		default:
+			break;
+		}
+		if(cvlan > -1)
+			val.port_vlan = cvlan;
+		if(cport > -1)
+			val.port_vlan = cport;
+		if(swlib_set_attr(dev, a, &val) < 0)
+		{
+			fprintf(stderr, "failed\n");
+			retval = -1;
+			goto out;
+		}
+		break;
+	case GET:
+		if(cvlan > -1)
+			val.port_vlan = cvlan;
+		if(cport > -1)
+			val.port_vlan = cport;
+		if(swlib_get_attr(dev, a, &val) < 0)
+		{
+			fprintf(stderr, "failed\n");
+			retval = -1;
+			goto out;
+		}
+		switch(a->type) {
+		case SWITCH_TYPE_INT:
+			printf("%d\n", val.value.i);
+			break;
+		case SWITCH_TYPE_STRING:
+			printf("%s\n", val.value.s);
+			break;
+		case SWITCH_TYPE_PORTS:
+			for(i = 0; i < val.len; i++)
+				printf("%d ", val.value.ports[i]);
+			printf("\n");
+			break;
+		}
+	}
+
+out:
+	swlib_free_all(dev);
+	free(ports);
+
+	return 0;
+}