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/*
* 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 <uci.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"
enum {
CMD_NONE,
CMD_GET,
CMD_SET,
CMD_LOAD,
CMD_HELP,
};
static void
print_attrs(const 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;
}
}
static 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);
}
static void
print_usage(void)
{
printf("swconfig dev <dev> [port <port>|vlan <vlan>] (help|set <key> <value>|get <key>|load <config>)\n");
exit(1);
}
static void
swconfig_load_uci(struct switch_dev *dev, const char *name)
{
struct uci_context *ctx;
struct uci_package *p = NULL;
struct uci_element *e;
int ret = -1;
ctx = uci_alloc_context();
if (!ctx)
return;
uci_load(ctx, name, &p);
if (!p) {
uci_perror(ctx, "Failed to load config file: ");
goto out;
}
ret = swlib_apply_from_uci(dev, p);
if (ret < 0)
fprintf(stderr, "Failed to apply configuration for switch '%s'\n", dev->dev_name);
out:
uci_free_context(ctx);
exit(ret);
}
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 = CMD_NONE;
char *cdev = NULL;
int cport = -1;
int cvlan = -1;
char *ckey = NULL;
char *cvalue = NULL;
if(argc < 4)
print_usage();
if(strcmp(argv[1], "dev"))
print_usage();
cdev = argv[2];
for(i = 3; i < argc; i++)
{
char *arg = argv[i];
if (cmd != CMD_NONE) {
print_usage();
} else if (!strcmp(arg, "port") && i+1 < argc) {
cport = atoi(argv[++i]);
} else if (!strcmp(arg, "vlan") && i+1 < argc) {
cvlan = atoi(argv[++i]);
} else if (!strcmp(arg, "help")) {
cmd = CMD_HELP;
} else if (!strcmp(arg, "set") && i+1 < argc) {
cmd = CMD_SET;
ckey = argv[++i];
if (i+1 < argc)
cvalue = argv[++i];
} else if (!strcmp(arg, "get") && i+1 < argc) {
cmd = CMD_GET;
ckey = argv[++i];
} else if (!strcmp(arg, "load") && i+1 < argc) {
if ((cport >= 0) || (cvlan >= 0))
print_usage();
cmd = CMD_LOAD;
ckey = argv[++i];
} else {
print_usage();
}
}
if (cmd == CMD_NONE)
print_usage();
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 (cmd == CMD_GET || cmd == CMD_SET) {
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 CMD_SET:
if ((a->type != SWITCH_TYPE_NOVAL) &&
(cvalue == NULL))
print_usage();
if(cvlan > -1)
cport = cvlan;
if(swlib_set_attr_string(dev, a, cport, cvalue) < 0)
{
fprintf(stderr, "failed\n");
retval = -1;
goto out;
}
break;
case CMD_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%s ",
val.value.ports[i].id,
(val.value.ports[i].flags &
SWLIB_PORT_FLAG_TAGGED) ? "t" : "");
}
printf("\n");
break;
}
break;
case CMD_LOAD:
swconfig_load_uci(dev, ckey);
break;
case CMD_HELP:
list_attributes(dev);
break;
}
out:
swlib_free_all(dev);
free(ports);
return 0;
}
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