xref: /netbsd-src/sys/rump/net/lib/libnetinet/netinet_component.c (revision 19ef5b5b0bcb90f63509df6e78769de1b57c2758)
1 /*	$NetBSD: netinet_component.c,v 1.1 2014/03/13 02:07:42 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
5  *
6  * Development of this software was supported by The Nokia Foundation
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
18  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __KERNEL_RCSID(0, "$NetBSD: netinet_component.c,v 1.1 2014/03/13 02:07:42 pooka Exp $");
32 
33 #include <sys/param.h>
34 #include <sys/domain.h>
35 #include <sys/protosw.h>
36 #include <sys/socketvar.h>
37 
38 #include <net/if.h>
39 #include <net/netisr.h>
40 #include <netinet/in.h>
41 #include <netinet/in_var.h>
42 #include <netinet/ip_var.h>
43 #include <netinet/if_inarp.h>
44 
45 #include "rump_private.h"
46 #include "rump_net_private.h"
47 
48 int carpattach(int);
49 
50 RUMP_COMPONENT(RUMP_COMPONENT_NET)
51 {
52 	extern struct domain arpdomain, inetdomain;
53 
54 	DOMAINADD(arpdomain);
55 	DOMAINADD(inetdomain);
56 
57 	carpattach(1);
58 
59 	rump_netisr_register(NETISR_IP, ipintr);
60 	rump_netisr_register(NETISR_ARP, arpintr);
61 }
62 
63 RUMP_COMPONENT(RUMP_COMPONENT_NET_IFCFG)
64 {
65 	struct ifaliasreq ia;
66 	struct sockaddr_in *sin;
67 	struct socket *so;
68 	int error;
69 
70 	if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0, curlwp, NULL)) != 0)
71 		panic("lo0 config: cannot create socket");
72 
73 	/* configure 127.0.0.1 for lo0 */
74 	memset(&ia, 0, sizeof(ia));
75 	strcpy(ia.ifra_name, "lo0");
76 	sin = (struct sockaddr_in *)&ia.ifra_addr;
77 	sin->sin_family = AF_INET;
78 	sin->sin_len = sizeof(struct sockaddr_in);
79 	sin->sin_addr.s_addr = inet_addr("127.0.0.1");
80 
81 	sin = (struct sockaddr_in *)&ia.ifra_mask;
82 	sin->sin_family = AF_INET;
83 	sin->sin_len = sizeof(struct sockaddr_in);
84 	sin->sin_addr.s_addr = inet_addr("255.0.0.0");
85 
86 	sin = (struct sockaddr_in *)&ia.ifra_broadaddr;
87 	sin->sin_family = AF_INET;
88 	sin->sin_len = sizeof(struct sockaddr_in);
89 	sin->sin_addr.s_addr = inet_addr("127.255.255.255");
90 
91 	in_control(so, SIOCAIFADDR, &ia, lo0ifp, curlwp);
92 	if_up(lo0ifp);
93 	soclose(so);
94 }
95