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- /*
- * swconfig.c: Switch configuration utility
- *
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- * Copyright (C) 2010 Martin Mares <mj@ucw.cz>
- *
- * 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 <stdbool.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"
- enum {
- CMD_NONE,
- CMD_GET,
- CMD_SET,
- CMD_LOAD,
- CMD_HELP,
- CMD_SHOW,
- CMD_PORTMAP,
- };
- 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("%s: %s(%s), ports: %d (cpu @ %d), vlans: %d\n", dev->dev_name, dev->alias, dev->name, dev->ports, dev->cpu_port, 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_attr_val(const struct switch_attr *attr, const struct switch_val *val)
- {
- int i;
- switch (attr->type) {
- case SWITCH_TYPE_INT:
- printf("%d", val->value.i);
- break;
- case SWITCH_TYPE_STRING:
- printf("%s", 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" : "");
- }
- break;
- default:
- printf("?unknown-type?");
- }
- }
- static void
- show_attrs(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val)
- {
- while (attr) {
- if (attr->type != SWITCH_TYPE_NOVAL) {
- printf("\t%s: ", attr->name);
- if (swlib_get_attr(dev, attr, val) < 0)
- printf("???");
- else
- print_attr_val(attr, val);
- putchar('\n');
- }
- attr = attr->next;
- }
- }
- static void
- show_global(struct switch_dev *dev)
- {
- struct switch_val val;
- printf("Global attributes:\n");
- show_attrs(dev, dev->ops, &val);
- }
- static void
- show_port(struct switch_dev *dev, int port)
- {
- struct switch_val val;
- printf("Port %d:\n", port);
- val.port_vlan = port;
- show_attrs(dev, dev->port_ops, &val);
- }
- static void
- show_vlan(struct switch_dev *dev, int vlan, bool all)
- {
- struct switch_val val;
- struct switch_attr *attr;
- val.port_vlan = vlan;
- if (all) {
- attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_VLAN, "ports");
- if (swlib_get_attr(dev, attr, &val) < 0)
- return;
- if (!val.len)
- return;
- }
- printf("VLAN %d:\n", vlan);
- show_attrs(dev, dev->vlan_ops, &val);
- }
- static void
- print_usage(void)
- {
- printf("swconfig list\n");
- printf("swconfig dev <dev> [port <port>|vlan <vlan>] (help|set <key> <value>|get <key>|load <config>|show)\n");
- exit(1);
- }
- int main(int argc, char **argv)
- {
- int retval = 0;
- struct switch_dev *dev;
- struct switch_attr *a;
- struct switch_val val;
- int i;
- int cmd = CMD_NONE;
- char *cdev = NULL;
- int cport = -1;
- int cvlan = -1;
- char *ckey = NULL;
- char *cvalue = NULL;
- char *csegment = NULL;
- if((argc == 2) && !strcmp(argv[1], "list")) {
- swlib_list();
- return 0;
- }
- 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 if (!strcmp(arg, "portmap")) {
- if (i + 1 < argc)
- csegment = argv[++i];
- cmd = CMD_PORTMAP;
- } else if (!strcmp(arg, "show")) {
- cmd = CMD_SHOW;
- } 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. Use the \"list\" command to see which switches are available.\n");
- return 1;
- }
- 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);
- retval = -1;
- 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;
- }
- print_attr_val(a, &val);
- putchar('\n');
- break;
- case CMD_HELP:
- list_attributes(dev);
- break;
- case CMD_PORTMAP:
- swlib_print_portmap(dev, csegment);
- break;
- case CMD_SHOW:
- if (cport >= 0 || cvlan >= 0) {
- if (cport >= 0)
- show_port(dev, cport);
- else
- show_vlan(dev, cvlan, false);
- } else {
- show_global(dev);
- for (i=0; i < dev->ports; i++)
- show_port(dev, i);
- for (i=0; i < dev->vlans; i++)
- show_vlan(dev, i, true);
- }
- break;
- }
- out:
- swlib_free_all(dev);
- return retval;
- }
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