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388 lines
7.8 KiB
C
388 lines
7.8 KiB
C
/*
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* swconfig.c: Switch configuration utility
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*
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* Copyright (C) 2008 Felix Fietkau <nbd@nbd.name>
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* Copyright (C) 2010 Martin Mares <mj@ucw.cz>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundatio.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <stdint.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <uci.h>
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#include <linux/types.h>
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#include <linux/netlink.h>
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#include <linux/genetlink.h>
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#include <netlink/netlink.h>
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#include <netlink/genl/genl.h>
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#include <netlink/genl/ctrl.h>
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#include <linux/switch.h>
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#include "swlib.h"
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enum {
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CMD_NONE,
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CMD_GET,
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CMD_SET,
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CMD_LOAD,
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CMD_HELP,
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CMD_SHOW,
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CMD_PORTMAP,
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};
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static void
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print_attrs(const struct switch_attr *attr)
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{
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int i = 0;
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while (attr) {
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const char *type;
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switch(attr->type) {
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case SWITCH_TYPE_INT:
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type = "int";
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break;
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case SWITCH_TYPE_STRING:
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type = "string";
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break;
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case SWITCH_TYPE_PORTS:
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type = "ports";
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break;
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case SWITCH_TYPE_NOVAL:
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type = "none";
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break;
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default:
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type = "unknown";
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break;
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}
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printf("\tAttribute %d (%s): %s (%s)\n", ++i, type, attr->name, attr->description);
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attr = attr->next;
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}
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}
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static void
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list_attributes(struct switch_dev *dev)
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{
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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);
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printf(" --switch\n");
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print_attrs(dev->ops);
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printf(" --vlan\n");
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print_attrs(dev->vlan_ops);
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printf(" --port\n");
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print_attrs(dev->port_ops);
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}
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static const char *
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speed_str(int speed)
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{
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switch (speed) {
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case 10:
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return "10baseT";
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case 100:
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return "100baseT";
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case 1000:
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return "1000baseT";
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default:
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break;
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}
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return "unknown";
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}
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static void
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print_attr_val(const struct switch_attr *attr, const struct switch_val *val)
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{
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struct switch_port_link *link;
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int i;
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switch (attr->type) {
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case SWITCH_TYPE_INT:
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printf("%d", val->value.i);
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break;
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case SWITCH_TYPE_STRING:
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printf("%s", val->value.s);
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break;
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case SWITCH_TYPE_PORTS:
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for(i = 0; i < val->len; i++) {
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printf("%d%s ",
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val->value.ports[i].id,
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(val->value.ports[i].flags &
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SWLIB_PORT_FLAG_TAGGED) ? "t" : "");
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}
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break;
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case SWITCH_TYPE_LINK:
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link = val->value.link;
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if (link->link)
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printf("port:%d link:up speed:%s %s-duplex %s%s%s%s%s",
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val->port_vlan,
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speed_str(link->speed),
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link->duplex ? "full" : "half",
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link->tx_flow ? "txflow " : "",
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link->rx_flow ? "rxflow " : "",
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link->eee & SWLIB_LINK_FLAG_EEE_100BASET ? "eee100 " : "",
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link->eee & SWLIB_LINK_FLAG_EEE_1000BASET ? "eee1000 " : "",
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link->aneg ? "auto" : "");
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else
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printf("port:%d link:down", val->port_vlan);
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break;
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default:
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printf("?unknown-type?");
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}
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}
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static void
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show_attrs(struct switch_dev *dev, struct switch_attr *attr, struct switch_val *val)
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{
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while (attr) {
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if (attr->type != SWITCH_TYPE_NOVAL) {
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printf("\t%s: ", attr->name);
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if (swlib_get_attr(dev, attr, val) < 0)
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printf("???");
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else
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print_attr_val(attr, val);
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putchar('\n');
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}
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attr = attr->next;
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}
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}
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static void
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show_global(struct switch_dev *dev)
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{
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struct switch_val val;
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printf("Global attributes:\n");
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show_attrs(dev, dev->ops, &val);
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}
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static void
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show_port(struct switch_dev *dev, int port)
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{
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struct switch_val val;
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printf("Port %d:\n", port);
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val.port_vlan = port;
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show_attrs(dev, dev->port_ops, &val);
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}
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static void
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show_vlan(struct switch_dev *dev, int vlan, bool all)
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{
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struct switch_val val;
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struct switch_attr *attr;
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val.port_vlan = vlan;
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if (all) {
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attr = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_VLAN, "ports");
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if (swlib_get_attr(dev, attr, &val) < 0)
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return;
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if (!val.len)
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return;
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}
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printf("VLAN %d:\n", vlan);
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show_attrs(dev, dev->vlan_ops, &val);
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}
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static void
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print_usage(void)
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{
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printf("swconfig list\n");
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printf("swconfig dev <dev> [port <port>|vlan <vlan>] (help|set <key> <value>|get <key>|load <config>|show)\n");
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exit(1);
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}
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static void
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swconfig_load_uci(struct switch_dev *dev, const char *name)
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{
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struct uci_context *ctx;
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struct uci_package *p = NULL;
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int ret = -1;
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ctx = uci_alloc_context();
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if (!ctx)
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return;
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uci_load(ctx, name, &p);
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if (!p) {
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uci_perror(ctx, "Failed to load config file: ");
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goto out;
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}
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ret = swlib_apply_from_uci(dev, p);
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if (ret < 0)
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fprintf(stderr, "Failed to apply configuration for switch '%s'\n", dev->dev_name);
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out:
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uci_free_context(ctx);
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exit(ret);
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}
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int main(int argc, char **argv)
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{
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int retval = 0;
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struct switch_dev *dev;
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struct switch_attr *a;
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struct switch_val val;
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int i;
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int cmd = CMD_NONE;
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char *cdev = NULL;
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int cport = -1;
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int cvlan = -1;
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char *ckey = NULL;
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char *cvalue = NULL;
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char *csegment = NULL;
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if((argc == 2) && !strcmp(argv[1], "list")) {
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swlib_list();
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return 0;
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}
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if(argc < 4)
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print_usage();
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if(strcmp(argv[1], "dev"))
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print_usage();
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cdev = argv[2];
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for(i = 3; i < argc; i++)
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{
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char *arg = argv[i];
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if (cmd != CMD_NONE) {
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print_usage();
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} else if (!strcmp(arg, "port") && i+1 < argc) {
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cport = atoi(argv[++i]);
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} else if (!strcmp(arg, "vlan") && i+1 < argc) {
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cvlan = atoi(argv[++i]);
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} else if (!strcmp(arg, "help")) {
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cmd = CMD_HELP;
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} else if (!strcmp(arg, "set") && i+1 < argc) {
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cmd = CMD_SET;
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ckey = argv[++i];
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if (i+1 < argc)
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cvalue = argv[++i];
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} else if (!strcmp(arg, "get") && i+1 < argc) {
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cmd = CMD_GET;
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ckey = argv[++i];
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} else if (!strcmp(arg, "load") && i+1 < argc) {
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if ((cport >= 0) || (cvlan >= 0))
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print_usage();
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cmd = CMD_LOAD;
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ckey = argv[++i];
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} else if (!strcmp(arg, "portmap")) {
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if (i + 1 < argc)
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csegment = argv[++i];
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cmd = CMD_PORTMAP;
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} else if (!strcmp(arg, "show")) {
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cmd = CMD_SHOW;
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} else {
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print_usage();
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}
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}
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if (cmd == CMD_NONE)
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print_usage();
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if (cport > -1 && cvlan > -1)
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print_usage();
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dev = swlib_connect(cdev);
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if (!dev) {
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fprintf(stderr, "Failed to connect to the switch. Use the \"list\" command to see which switches are available.\n");
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return 1;
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}
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swlib_scan(dev);
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if (cmd == CMD_GET || cmd == CMD_SET) {
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if(cport > -1)
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a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_PORT, ckey);
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else if(cvlan > -1)
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a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_VLAN, ckey);
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else
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a = swlib_lookup_attr(dev, SWLIB_ATTR_GROUP_GLOBAL, ckey);
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if(!a)
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{
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fprintf(stderr, "Unknown attribute \"%s\"\n", ckey);
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retval = -1;
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goto out;
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}
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}
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switch(cmd)
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{
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case CMD_SET:
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if ((a->type != SWITCH_TYPE_NOVAL) &&
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(cvalue == NULL))
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print_usage();
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if(cvlan > -1)
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cport = cvlan;
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if(swlib_set_attr_string(dev, a, cport, cvalue) < 0)
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{
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fprintf(stderr, "failed\n");
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retval = -1;
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goto out;
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}
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break;
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case CMD_GET:
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if(cvlan > -1)
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val.port_vlan = cvlan;
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if(cport > -1)
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val.port_vlan = cport;
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if(swlib_get_attr(dev, a, &val) < 0)
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{
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fprintf(stderr, "failed\n");
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retval = -1;
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goto out;
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}
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print_attr_val(a, &val);
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putchar('\n');
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break;
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case CMD_LOAD:
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swconfig_load_uci(dev, ckey);
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break;
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case CMD_HELP:
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list_attributes(dev);
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break;
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case CMD_PORTMAP:
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swlib_print_portmap(dev, csegment);
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break;
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case CMD_SHOW:
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if (cport >= 0 || cvlan >= 0) {
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if (cport >= 0)
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show_port(dev, cport);
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else
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show_vlan(dev, cvlan, false);
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} else {
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show_global(dev);
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for (i=0; i < dev->ports; i++)
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show_port(dev, i);
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for (i=0; i < dev->vlans; i++)
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show_vlan(dev, i, true);
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}
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break;
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}
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out:
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swlib_free_all(dev);
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return retval;
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}
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