1 /* $NetBSD: netinet_component.c,v 1.11 2018/02/24 07:37:08 ozaki-r 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 1.11 2018/02/24 07:37:08 ozaki-r 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-sys/kern.h> 46 #include <rump-sys/net.h> 47 48 RUMP_COMPONENT(RUMP_COMPONENT_NET) 49 { 50 extern struct domain arpdomain, inetdomain; 51 52 domain_attach(&arpdomain); 53 domain_attach(&inetdomain); 54 55 rump_netisr_register(NETISR_ARP, arpintr); 56 } 57 58 int carpattach(int); 59 60 RUMP_COMPONENT(RUMP_COMPONENT_NET_IF) 61 { 62 63 carpattach(1); 64 } 65 66 RUMP_COMPONENT(RUMP_COMPONENT_NET_IFCFG) 67 { 68 struct ifaliasreq ia; 69 struct sockaddr_in *sin; 70 struct socket *so; 71 int error; 72 73 if (lo0ifp == NULL) 74 panic("lo0 config: rumpnet_net has not been initialized"); 75 76 if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0, curlwp, NULL)) != 0) 77 panic("lo0 config: cannot create socket"); 78 79 /* configure 127.0.0.1 for lo0 */ 80 memset(&ia, 0, sizeof(ia)); 81 strcpy(ia.ifra_name, "lo0"); 82 sin = (struct sockaddr_in *)&ia.ifra_addr; 83 sin->sin_family = AF_INET; 84 sin->sin_len = sizeof(struct sockaddr_in); 85 sin->sin_addr.s_addr = inet_addr("127.0.0.1"); 86 87 sin = (struct sockaddr_in *)&ia.ifra_mask; 88 sin->sin_family = AF_INET; 89 sin->sin_len = sizeof(struct sockaddr_in); 90 sin->sin_addr.s_addr = inet_addr("255.0.0.0"); 91 92 sin = (struct sockaddr_in *)&ia.ifra_broadaddr; 93 sin->sin_family = AF_INET; 94 sin->sin_len = sizeof(struct sockaddr_in); 95 sin->sin_addr.s_addr = inet_addr("127.255.255.255"); 96 97 KERNEL_LOCK(1, NULL); 98 IFNET_LOCK(lo0ifp); 99 in_control(so, SIOCAIFADDR, &ia, lo0ifp); 100 IFNET_UNLOCK(lo0ifp); 101 KERNEL_UNLOCK_ONE(NULL); 102 if_up(lo0ifp); 103 soclose(so); 104 } 105