/[dynamips]/upstream/dynamips-0.2.6-RC2/hv_nio_bridge.c
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Annotation of /upstream/dynamips-0.2.6-RC2/hv_nio_bridge.c

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Revision 2 - (hide annotations)
Sat Oct 6 16:03:58 2007 UTC (14 years, 10 months ago) by dpavlin
Original Path: upstream/dynamips-0.2.6-RC1/hv_nio_bridge.c
File MIME type: text/plain
File size: 4025 byte(s)
import dynamips-0.2.6-RC1

1 dpavlin 1 /*
2     * Cisco 7200 (Predator) simulation platform.
3     * Copyright (c) 2006 Christophe Fillot (cf@utc.fr)
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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