1 /* 2 * Copyright (c) 2007 The DragonFly Project. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of The DragonFly Project nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific, prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 28 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/domain.h> 33 #include <sys/kernel.h> /* SYSINIT via DOMAIN_SET */ 34 #include <sys/protosw.h> 35 #include <sys/socket.h> 36 #include <sys/globaldata.h> 37 #include <sys/thread.h> 38 39 #include <net/radix.h> /* rn_inithead */ 40 41 #include <netproto/mpls/mpls.h> 42 #include <netproto/mpls/mpls_var.h> 43 44 /* forward declarations */ 45 static struct domain mplsdomain; 46 static struct pr_usrreqs nousrreqs; /* XXX use this for something */ 47 48 struct protosw mplssw[] = { 49 { 50 .pr_type = 0, 51 .pr_domain = &mplsdomain, 52 53 .pr_init = mpls_init, 54 .pr_usrreqs = &nousrreqs 55 }, 56 { 57 .pr_type = SOCK_RAW, 58 .pr_domain = &mplsdomain, 59 .pr_protocol = 0, 60 .pr_flags = PR_ATOMIC|PR_ADDR, 61 62 .pr_usrreqs = &nousrreqs 63 } 64 }; 65 66 static int 67 mpls_inithead(void **head, int off) 68 { 69 struct radix_node_head *rnh; 70 71 rnh = *head; 72 KKASSERT(rnh == rt_tables[mycpuid][AF_MPLS]); 73 74 if (!rn_inithead(&rnh, rn_cpumaskhead(mycpuid), off)) 75 return 0; 76 77 *head = rnh; 78 return 1; 79 } 80 81 static struct domain mplsdomain = { 82 .dom_family = AF_MPLS, 83 .dom_name = "mpls", 84 .dom_init = NULL, 85 .dom_externalize = NULL, 86 .dom_dispose = NULL, 87 .dom_protosw = mplssw, 88 .dom_protoswNPROTOSW = &mplssw[NELEM(mplssw)], 89 .dom_next = SLIST_ENTRY_INITIALIZER, 90 .dom_rtattach = mpls_inithead, 91 .dom_rtoffset = offsetof(struct sockaddr_mpls, smpls_addr), 92 .dom_maxrtkey = sizeof(struct sockaddr_mpls), 93 .dom_ifattach = NULL, 94 .dom_ifdetach = NULL, 95 .dom_if_up = NULL, 96 .dom_if_down = NULL, 97 }; 98 99 DOMAIN_SET(mpls); 100 101 #if 0 102 SYSCTL_NODE(_net, PF_MPLS, mpls, CTLFLAG_RW, 0, 103 "MPLS Family"); 104 #endif 105 106