/*      $NetBSD: netinet_component.c,v 1.13 2022/09/03 02:48:01 thorpej Exp $   */

/*
* Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
*
* Development of this software was supported by The Nokia Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: netinet_component.c,v 1.13 2022/09/03 02:48:01 thorpej Exp $");

#include <sys/param.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/socketvar.h>

#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_var.h>
#include <netinet/ip_var.h>
#include <netinet/if_inarp.h>

#include <rump-sys/kern.h>
#include <rump-sys/net.h>

RUMP_COMPONENT(RUMP_COMPONENT_NET)
{
       extern struct domain arpdomain, inetdomain;

       domain_attach(&arpdomain);
       domain_attach(&inetdomain);
}

int carpattach(int);

RUMP_COMPONENT(RUMP_COMPONENT_NET_IF)
{

       carpattach(1);
}

RUMP_COMPONENT(RUMP_COMPONENT_NET_IFCFG)
{
       struct ifaliasreq ia;
       struct sockaddr_in *sin;
       struct socket *so;
       int error;

       if (lo0ifp == NULL)
               panic("lo0 config: rumpnet_net has not been initialized");

       if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0, curlwp, NULL)) != 0)
               panic("lo0 config: cannot create socket");

       /* configure 127.0.0.1 for lo0 */
       memset(&ia, 0, sizeof(ia));
       strcpy(ia.ifra_name, "lo0");
       sin = (struct sockaddr_in *)&ia.ifra_addr;
       sin->sin_family = AF_INET;
       sin->sin_len = sizeof(struct sockaddr_in);
       sin->sin_addr.s_addr = inet_addr("127.0.0.1");

       sin = (struct sockaddr_in *)&ia.ifra_mask;
       sin->sin_family = AF_INET;
       sin->sin_len = sizeof(struct sockaddr_in);
       sin->sin_addr.s_addr = inet_addr("255.0.0.0");

       sin = (struct sockaddr_in *)&ia.ifra_broadaddr;
       sin->sin_family = AF_INET;
       sin->sin_len = sizeof(struct sockaddr_in);
       sin->sin_addr.s_addr = inet_addr("127.255.255.255");

       KERNEL_LOCK(1, NULL);
       IFNET_LOCK(lo0ifp);
       in_control(so, SIOCAIFADDR, &ia, lo0ifp);
       IFNET_UNLOCK(lo0ifp);
       KERNEL_UNLOCK_ONE(NULL);
       if_up(lo0ifp);
       soclose(so);
}