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/*
* Cisco router simulation platform.
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr)
*
* Hypervisor Ethernet switch routines.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <signal.h>
#include <fcntl.h>
#include <errno.h>
#include <assert.h>
#include <stdarg.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <pthread.h>
#include "utils.h"
#include "net.h"
#include "eth_switch.h"
#include "crc.h"
#include "net_io.h"
#include "registry.h"
#include "hypervisor.h"
/* Create a new Ethernet switch object */
static int cmd_create(hypervisor_conn_t *conn,int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = ethsw_create(argv[0]))) {
hypervisor_send_reply(conn,HSC_ERR_CREATE,1,
"unable to create Ethernet switch '%s'",
argv[0]);
return(-1);
}
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"ETHSW '%s' created",argv[0]);
return(0);
}
/* Delete an Ethernet switch */
static int cmd_delete(hypervisor_conn_t *conn,int argc,char *argv[])
{
int res;
res = ethsw_delete(argv[0]);
if (res == 1) {
hypervisor_send_reply(conn,HSC_INFO_OK,1,"ETHSW '%s' deleted",argv[0]);
} else {
hypervisor_send_reply(conn,HSC_ERR_DELETE,1,
"unable to delete ETHSW '%s'",argv[0]);
}
return(res);
}
/*
* Add a NIO to an Ethernet switch.
*
* Parameters: <ethsw_name> <nio_name>
*/
static int cmd_add_nio(hypervisor_conn_t *conn,int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
if (ethsw_add_netio(t,argv[1]) == -1) {
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
"unable to bind NIO '%s' to switch '%s'",
argv[1],argv[0]);
return(-1);
}
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' bound.",argv[1]);
return(0);
}
/*
* Remove a NIO from an Ethernet switch
*
* Parameters: <ethsw_name> <nio_name>
*/
static int cmd_remove_nio(hypervisor_conn_t *conn,int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
if (ethsw_remove_netio(t,argv[1]) == -1) {
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
"unable to bind NIO '%s' to switch '%s'",
argv[1],argv[0]);
return(-1);
}
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' unbound.",argv[1]);
return(0);
}
/*
* Set a port as an access port.
*
* Parameters: <ethsw_name> <nio> <VLAN>
*/
static int cmd_set_access_port(hypervisor_conn_t *conn,int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
if (ethsw_set_access_port(t,argv[1],atoi(argv[2])) == -1) {
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
"unable to apply port settings");
return(-1);
}
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"Port settings OK");
return(0);
}
/*
* Set a port as a trunk (802.1Q) port.
*
* Parameters: <ethsw_name> <nio> <native_VLAN>
*/
static int cmd_set_dot1q_port(hypervisor_conn_t *conn,int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
if (ethsw_set_dot1q_port(t,argv[1],atoi(argv[2])) == -1) {
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
"unable to apply port settings");
return(-1);
}
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"Port settings OK");
return(0);
}
/* Clear the MAC address table */
static int cmd_clear_mac_addr_table(hypervisor_conn_t *conn,
int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
ethsw_clear_mac_addr_table(t);
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK");
return(0);
}
/* Show the MAC address table */
static void cmd_show_mac_addr_entry(ethsw_table_t *t,ethsw_mac_entry_t *entry,
hypervisor_conn_t *conn)
{
hypervisor_send_reply(conn,HSC_INFO_MSG,0,
"%2.2x%2.2x.%2.2x%2.2x.%2.2x%2.2x %u %s",
entry->mac_addr.eth_addr_byte[0],
entry->mac_addr.eth_addr_byte[1],
entry->mac_addr.eth_addr_byte[2],
entry->mac_addr.eth_addr_byte[3],
entry->mac_addr.eth_addr_byte[4],
entry->mac_addr.eth_addr_byte[5],
entry->vlan_id,
entry->nio->name);
}
static int cmd_show_mac_addr_table(hypervisor_conn_t *conn,
int argc,char *argv[])
{
ethsw_table_t *t;
if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_ETHSW)))
return(-1);
ethsw_iterate_mac_addr_table(t,
(ethsw_foreach_entry_t)cmd_show_mac_addr_entry,
conn);
ethsw_release(argv[0]);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK");
return(0);
}
/* Show info about a ETHSW object */
static void cmd_show_list(registry_entry_t *entry,void *opt,int *err)
{
hypervisor_conn_t *conn = opt;
hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s",entry->name);
}
/* Ethernet switch List */
static int cmd_list(hypervisor_conn_t *conn,int argc,char *argv[])
{
int err = 0;
registry_foreach_type(OBJ_TYPE_ETHSW,cmd_show_list,conn,&err);
hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK");
return(0);
}
/* ETHSW commands */
static hypervisor_cmd_t ethsw_cmd_array[] = {
{ "create", 1, 1, cmd_create, NULL },
{ "delete", 1, 1, cmd_delete, NULL },
{ "add_nio", 2, 2, cmd_add_nio, NULL },
{ "remove_nio", 2, 2, cmd_remove_nio, NULL },
{ "set_access_port", 3, 3, cmd_set_access_port, NULL },
{ "set_dot1q_port", 3, 3, cmd_set_dot1q_port, NULL },
{ "clear_mac_addr_table", 1, 1, cmd_clear_mac_addr_table, NULL },
{ "show_mac_addr_table", 1, 1, cmd_show_mac_addr_table, NULL },
{ "list", 0, 0, cmd_list, NULL },
{ NULL, -1, -1, NULL, NULL },
};
/* Hypervisor Ethernet switch initialization */
int hypervisor_ethsw_init(void)
{
hypervisor_module_t *module;
module = hypervisor_register_module("ethsw",NULL);
assert(module != NULL);
hypervisor_register_cmd_array(module,ethsw_cmd_array);
return(0);
}
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