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      1 /*	$NetBSD: net_stub.c,v 1.49 2022/04/04 06:10:00 yamaguchi Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: net_stub.c,v 1.49 2022/04/04 06:10:00 yamaguchi Exp $");
     30 
     31 #include <sys/mutex.h>
     32 #include <sys/param.h>
     33 #include <sys/protosw.h>
     34 #include <sys/socketvar.h>
     35 #include <sys/pslist.h>
     36 #include <sys/psref.h>
     37 
     38 #include <net/if.h>
     39 #include <net/route.h>
     40 
     41 #include <netipsec/ipsec.h>
     42 #include <netipsec/ipsec6.h>
     43 #include <netipsec/key.h>
     44 
     45 #include <compat/sys/socket.h>
     46 #include <compat/sys/sockio.h>
     47 
     48 int rumpnet_stub(void);
     49 int
     50 rumpnet_stub(void)
     51 {
     52 
     53 	panic("component not available");
     54 }
     55 
     56 /*
     57  * Weak symbols so that we can optionally leave components out.
     58  * (would be better to fix sys/net* to be more modular, though)
     59  */
     60 
     61 /* bridge */
     62 __weak_alias(bridge_output,rumpnet_stub);
     63 __weak_alias(bridge_calc_csum_flags,rumpnet_stub);
     64 
     65 /* agr */
     66 __weak_alias(agr_input,rumpnet_stub);
     67 __weak_alias(ieee8023ad_lacp_input,rumpnet_stub);
     68 __weak_alias(ieee8023ad_marker_input,rumpnet_stub);
     69 
     70 /* pppoe */
     71 __weak_alias(pppoe_input,rumpnet_stub);
     72 __weak_alias(pppoedisc_input,rumpnet_stub);
     73 
     74 /* vlan */
     75 __weak_alias(vlan_input,rumpnet_stub);
     76 
     77 /* ipsec */
     78 /* FIXME: should modularize netipsec and reduce reverse symbol references */
     79 int ipsec_debug;
     80 int ipsec_enabled;
     81 int ipsec_used;
     82 percpu_t *ipsecstat_percpu;
     83 u_int ipsec_spdgen;
     84 
     85 __weak_alias(ah4_ctlinput,rumpnet_stub);
     86 __weak_alias(ah6_ctlinput,rumpnet_stub);
     87 __weak_alias(esp4_ctlinput,rumpnet_stub);
     88 __weak_alias(esp6_ctlinput,rumpnet_stub);
     89 __weak_alias(ipsec4_output,rumpnet_stub);
     90 __weak_alias(ipsec4_common_input,rumpnet_stub);
     91 __weak_alias(ipsec6_common_input,rumpnet_stub);
     92 __weak_alias(ipsec6_check_policy,rumpnet_stub);
     93 __weak_alias(ipsec6_process_packet,rumpnet_stub);
     94 __weak_alias(ipsec_mtu,rumpnet_stub);
     95 __weak_alias(ipsec_ip_input_checkpolicy,rumpnet_stub);
     96 __weak_alias(ipsec_set_policy,rumpnet_stub);
     97 __weak_alias(ipsec_get_policy,rumpnet_stub);
     98 __weak_alias(ipsec_delete_pcbpolicy,rumpnet_stub);
     99 __weak_alias(ipsec_hdrsiz,rumpnet_stub);
    100 __weak_alias(ipsec_in_reject,rumpnet_stub);
    101 __weak_alias(ipsec_init_pcbpolicy,rumpnet_stub);
    102 __weak_alias(ipsec_pcbconn,rumpnet_stub);
    103 __weak_alias(ipsec_pcbdisconn,rumpnet_stub);
    104 __weak_alias(key_sa_routechange,rumpnet_stub);
    105 __weak_alias(key_sp_unref,rumpnet_stub);
    106 
    107 /* altq */
    108 int (*altq_input)(struct mbuf *, int);
    109 __weak_alias(in6mask128,rumpnet_stub);
    110 __weak_alias(in6mask0,rumpnet_stub);
    111 __weak_alias(altq_detach,rumpnet_stub);
    112 __weak_alias(altq_disable,rumpnet_stub);
    113 __weak_alias(tbr_dequeue,rumpnet_stub);
    114 
    115 struct ifnet_head ifnet_list;
    116 struct pslist_head ifnet_pslist;
    117 kmutex_t ifnet_mtx;
    118