1/* 2 * Copyright (c) 2012 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29#include <sys/param.h> 30#include <sys/kernel.h> 31#include <sys/socket.h> 32#include <sys/domain.h> 33#include <sys/protosw.h> 34#include <sys/mcache.h> 35 36#include <kern/locks.h> 37 38#include <netinet/in.h> 39#if MPTCP 40#include <netinet/mptcp_var.h> 41#endif /* MPTCP */ 42 43extern struct domain mpdomain_s; 44static struct domain *mpdomain = NULL; 45 46static void mp_dinit(struct domain *); 47lck_mtx_t *mp_domain_mutex; 48 49static struct protosw mpsw[] = { 50#if MPTCP 51{ 52 .pr_type = SOCK_STREAM, 53 .pr_protocol = IPPROTO_TCP, 54 .pr_flags = PR_CONNREQUIRED|PR_MULTICONN|PR_EVCONNINFO| 55 PR_WANTRCVD|PR_PCBLOCK|PR_PROTOLOCK, 56 .pr_ctloutput = mptcp_ctloutput, 57 .pr_init = mptcp_init, 58 .pr_usrreqs = &mptcp_usrreqs, 59 .pr_lock = mptcp_lock, 60 .pr_unlock = mptcp_unlock, 61 .pr_getlock = mptcp_getlock, 62}, 63#endif /* MPTCP */ 64}; 65 66static int mp_proto_count = (sizeof (mpsw) / sizeof (struct protosw)); 67 68struct domain mpdomain_s = { 69 .dom_family = PF_MULTIPATH, 70 .dom_flags = DOM_REENTRANT, 71 .dom_name = "multipath", 72 .dom_init = mp_dinit, 73}; 74 75/* Initialize the PF_MULTIPATH domain, and add in the pre-defined protos */ 76void 77mp_dinit(struct domain *dp) 78{ 79 struct protosw *pr; 80 int i; 81 82 VERIFY(!(dp->dom_flags & DOM_INITIALIZED)); 83 VERIFY(mpdomain == NULL); 84 85 mpdomain = dp; 86 87 for (i = 0, pr = &mpsw[0]; i < mp_proto_count; i++, pr++) 88 net_add_proto(pr, dp, 1); 89 90 mp_domain_mutex = dp->dom_mtx; 91} 92