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Annotation of cf/hv_nio_bridge.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Cisco 7200 (Predator) simulation platform.
        !             3:  * Copyright (c) 2006 Christophe Fillot ([email protected])
        !             4:  *
        !             5:  * Hypervisor NIO bridge routines.
        !             6:  */
        !             7: 
        !             8: #include <stdio.h>
        !             9: #include <stdlib.h>
        !            10: #include <unistd.h>
        !            11: #include <string.h>
        !            12: #include <sys/types.h>
        !            13: #include <sys/stat.h>
        !            14: #include <sys/mman.h>
        !            15: #include <signal.h>
        !            16: #include <fcntl.h>
        !            17: #include <errno.h>
        !            18: #include <assert.h>
        !            19: #include <stdarg.h>
        !            20: #include <sys/ioctl.h>
        !            21: #include <sys/types.h>
        !            22: #include <sys/socket.h>
        !            23: #include <arpa/inet.h>
        !            24: #include <pthread.h>
        !            25: 
        !            26: #include "mips64.h"
        !            27: #include "dynamips.h"
        !            28: #include "utils.h"
        !            29: #include "net.h"
        !            30: #include "crc.h"
        !            31: #include "net_io.h"
        !            32: #include "net_io_bridge.h"
        !            33: #include "registry.h"
        !            34: #include "hypervisor.h"
        !            35: 
        !            36: /* Create a new NIO bridge */
        !            37: static int cmd_create(hypervisor_conn_t *conn,int argc,char *argv[])
        !            38: {
        !            39:    netio_bridge_t *t;
        !            40: 
        !            41:    if (!(t = netio_bridge_create(argv[0]))) {
        !            42:       hypervisor_send_reply(conn,HSC_ERR_CREATE,1,
        !            43:                             "unable to create NIO bridge '%s'",
        !            44:                             argv[0]);
        !            45:       return(-1);
        !            46:    }
        !            47: 
        !            48:    netio_bridge_release(argv[0]);
        !            49:    hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO bridge '%s' created",argv[0]);
        !            50:    return(0);
        !            51: }
        !            52: 
        !            53: /* Delete an NIO bridge */
        !            54: static int cmd_delete(hypervisor_conn_t *conn,int argc,char *argv[])
        !            55: {
        !            56:    int res;
        !            57: 
        !            58:    res = netio_bridge_delete(argv[0]);
        !            59: 
        !            60:    if (res == 1) {
        !            61:       hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO bridge '%s' deleted",
        !            62:                             argv[0]);
        !            63:    } else {
        !            64:       hypervisor_send_reply(conn,HSC_ERR_DELETE,1,
        !            65:                             "unable to delete NIO bridge '%s'",argv[0]);
        !            66:    }
        !            67: 
        !            68:    return(res);
        !            69: }
        !            70: 
        !            71: /* 
        !            72:  * Add a NIO to a bridge
        !            73:  *
        !            74:  * Parameters: <bridge_name> <nio_name>
        !            75:  */
        !            76: static int cmd_add_nio(hypervisor_conn_t *conn,int argc,char *argv[])
        !            77: {
        !            78:    netio_bridge_t *t;
        !            79: 
        !            80:    if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO_BRIDGE)))
        !            81:       return(-1);
        !            82:    
        !            83:    if (netio_bridge_add_netio(t,argv[1]) == -1) {
        !            84:       netio_bridge_release(argv[0]);
        !            85:       hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
        !            86:                             "unable to bind NIO '%s' to bridge '%s'",
        !            87:                             argv[1],argv[0]);
        !            88:       return(-1);
        !            89:    }
        !            90: 
        !            91:    netio_bridge_release(argv[0]);
        !            92:    hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' bound.",argv[1]);
        !            93:    return(0);
        !            94: }
        !            95: 
        !            96: /* 
        !            97:  * Remove a NIO from a bridge
        !            98:  *
        !            99:  * Parameters: <bridge_name> <nio_name>
        !           100:  */
        !           101: static int cmd_remove_nio(hypervisor_conn_t *conn,int argc,char *argv[])
        !           102: {
        !           103:    netio_bridge_t *t;
        !           104: 
        !           105:    if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO_BRIDGE)))
        !           106:       return(-1);
        !           107:    
        !           108:    if (netio_bridge_remove_netio(t,argv[1]) == -1) {
        !           109:       netio_bridge_release(argv[0]);
        !           110:       hypervisor_send_reply(conn,HSC_ERR_BINDING,1,
        !           111:                             "unable to bind NIO '%s' to bridge '%s'",
        !           112:                             argv[1],argv[0]);
        !           113:       return(-1);
        !           114:    }
        !           115: 
        !           116:    netio_bridge_release(argv[0]);
        !           117:    hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' unbound.",argv[1]);
        !           118:    return(0);
        !           119: }
        !           120: 
        !           121: /* Show info about a NIO bridge object */
        !           122: static void cmd_show_list(registry_entry_t *entry,void *opt,int *err)
        !           123: {
        !           124:    hypervisor_conn_t *conn = opt;
        !           125:    hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s",entry->name);
        !           126: }
        !           127: 
        !           128: /* Bridge switch List */
        !           129: static int cmd_list(hypervisor_conn_t *conn,int argc,char *argv[])
        !           130: {
        !           131:    int err = 0;
        !           132:    registry_foreach_type(OBJ_TYPE_NIO_BRIDGE,cmd_show_list,conn,&err);
        !           133:    hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK");
        !           134:    return(0);
        !           135: }
        !           136: 
        !           137: /* NIO bridge commands */
        !           138: static hypervisor_cmd_t nio_bridge_cmd_array[] = {
        !           139:    { "create", 1, 1, cmd_create, NULL },
        !           140:    { "delete", 1, 1, cmd_delete, NULL },
        !           141:    { "add_nio", 2, 2, cmd_add_nio, NULL },
        !           142:    { "remove_nio", 2, 2, cmd_remove_nio, NULL },
        !           143:    { "list", 0, 0, cmd_list, NULL },
        !           144:    { NULL, -1, -1, NULL, NULL },
        !           145: };
        !           146: 
        !           147: /* Hypervisor NIO bridge initialization */
        !           148: int hypervisor_nio_bridge_init(void)
        !           149: {
        !           150:    hypervisor_module_t *module;
        !           151: 
        !           152:    module = hypervisor_register_module("nio_bridge");
        !           153:    assert(module != NULL);
        !           154: 
        !           155:    hypervisor_register_cmd_array(module,nio_bridge_cmd_array);
        !           156:    return(0);
        !           157: }

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