/* * Copyright (c) 2011-2012 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 2002 Luigi Rizzo, Universita` di Pisa * * 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 AND CONTRIBUTORS ``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. * */ #ifndef __IP_FLOWID_H__ #define __IP_FLOWID_H__ #include <sys/types.h> #include <netinet/in.h> /* * This structure is used as a flow mask and a flow id for various * parts of the code. */ struct ip_flow_id { u_int32_t dst_ip; u_int32_t src_ip; u_int16_t dst_port; u_int16_t src_port; u_int8_t proto; u_int8_t flags; /* protocol-specific flags */ u_int8_t addr_type; /* 4 = ipv4, 6 = ipv6, 1=ether ? */ struct in6_addr dst_ip6; /* could also store MAC addr! */ struct in6_addr src_ip6; u_int32_t flow_id6; u_int32_t frag_id6; }; #define IS_IP6_FLOW_ID(id) ((id)->addr_type == 6) #ifdef KERNEL struct route_in6; struct sockaddr_in6; struct pf_rule; struct ip_fw; /* * Arguments for calling ipfw_chk() and dummynet_io(). We put them * all into a structure because this way it is easier and more * efficient to pass variables around and extend the interface. */ struct ip_fw_args { struct mbuf *fwa_m; /* the mbuf chain */ struct ifnet *fwa_oif; /* output interface */ struct sockaddr_in *fwa_next_hop; /* forward address */ struct ip_fw *fwa_ipfw_rule; /* matching IPFW rule */ struct pf_rule *fwa_pf_rule; /* matching PF rule */ struct ether_header *fwa_eh; /* for bridged packets */ int fwa_flags; /* for dummynet */ int fwa_oflags; /* for dummynet */ union { struct ip_out_args *_fwa_ipoa; /* for dummynet */ struct ip6_out_args *_fwa_ip6oa; /* for dummynet */ } fwa_ipoa_; union { struct route *_fwa_ro; /* for dummynet */ struct route_in6 *_fwa_ro6; /* for dummynet */ } fwa_ro_; union { struct sockaddr_in *_fwa_dst; /* for dummynet */ struct sockaddr_in6 *_fwa_dst6; /* for IPv6 dummynet */ } fwa_dst_; struct route_in6 *fwa_ro6_pmtu; /* for IPv6 output */ struct ifnet *fwa_origifp; /* for IPv6 output */ u_int32_t fwa_mtu; /* for IPv6 output */ int fwa_alwaysfrag; /* for IPv6 output */ u_int32_t fwa_unfragpartlen; /* for IPv6 output */ struct ip6_exthdrs *fwa_exthdrs; /* for IPv6 output */ struct ip_flow_id fwa_id; /* grabbed from IP header */ u_int16_t fwa_divert_rule;/* divert cookie */ u_int32_t fwa_cookie; }; #define fwa_ipoa fwa_ipoa_._fwa_ipoa #define fwa_ip6oa fwa_ipoa_._fwa_ip6oa #define fwa_ro fwa_ro_._fwa_ro #define fwa_ro6 fwa_ro_._fwa_ro6 #define fwa_dst fwa_dst_._fwa_dst #define fwa_dst6 fwa_dst_._fwa_dst6 #endif /* KERNEL */ #endif /* __IP_FLOWID_H__ */