1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* Copyright (c) 1990 Mentat Inc. */ 26 27 #ifndef _RAWIP_IMPL_H 28 #define _RAWIP_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #ifdef _KERNEL 37 38 #include <sys/types.h> 39 #include <sys/netstack.h> 40 41 #include <netinet/in.h> 42 #include <netinet/icmp6.h> 43 #include <netinet/ip6.h> 44 45 #include <inet/common.h> 46 #include <inet/ip.h> 47 48 /* Named Dispatch Parameter Management Structure */ 49 typedef struct icmpparam_s { 50 uint_t icmp_param_min; 51 uint_t icmp_param_max; 52 uint_t icmp_param_value; 53 char *icmp_param_name; 54 } icmpparam_t; 55 56 /* 57 * ICMP stack instances 58 */ 59 struct icmp_stack { 60 netstack_t *is_netstack; /* Common netstack */ 61 void *is_head; /* Head for list of open icmps */ 62 IDP is_nd; /* Points to table of ICMP ND variables. */ 63 icmpparam_t *is_param_arr; /* ndd variable table */ 64 kstat_t *is_ksp; /* kstats */ 65 mib2_rawip_t is_rawip_mib; /* SNMP fixed size info */ 66 }; 67 typedef struct icmp_stack icmp_stack_t; 68 69 /* Internal icmp control structure, one per open stream */ 70 typedef struct icmp_s { 71 krwlock_t icmp_rwlock; /* Protects most of icmp_t */ 72 t_scalar_t icmp_pending_op; /* The current TPI operation */ 73 /* 74 * Following fields up to icmp_ipversion protected by conn_lock. 75 */ 76 uint_t icmp_state; /* TPI state */ 77 in6_addr_t icmp_v6src; /* Source address of this stream */ 78 in6_addr_t icmp_bound_v6src; /* Explicitely bound to address */ 79 in6_addr_t icmp_v6dst; /* Connected destination */ 80 /* 81 * IP format that packets transmitted from this struct should use. 82 * Value can be IP4_VERSION or IPV6_VERSION. 83 */ 84 uchar_t icmp_ipversion; 85 86 /* Written to only once at the time of opening the endpoint */ 87 sa_family_t icmp_family; /* Family from socket() call */ 88 89 /* Following protected by icmp_rwlock */ 90 uint32_t icmp_flowinfo; /* Connected flow id and tclass */ 91 uint32_t icmp_max_hdr_len; /* For write offset in stream head */ 92 uint_t icmp_proto; 93 uint_t icmp_ip_snd_options_len; /* Len of IPv4 options */ 94 uint8_t *icmp_ip_snd_options; /* Ptr to IPv4 options */ 95 uint8_t icmp_multicast_ttl; /* IP*_MULTICAST_TTL/HOPS */ 96 ipaddr_t icmp_multicast_if_addr; /* IP_MULTICAST_IF option */ 97 uint_t icmp_multicast_if_index; /* IPV6_MULTICAST_IF option */ 98 int icmp_xmit_if; /* IP_XMIT_IF option */ 99 int icmp_bound_if; /* IP*_BOUND_IF option */ 100 101 /* Written to only once at the time of opening the endpoint */ 102 conn_t *icmp_connp; 103 104 /* Following protected by icmp_rwlock */ 105 uint_t 106 icmp_debug : 1, /* SO_DEBUG "socket" option. */ 107 icmp_dontroute : 1, /* SO_DONTROUTE "socket" option. */ 108 icmp_broadcast : 1, /* SO_BROADCAST "socket" option. */ 109 icmp_reuseaddr : 1, /* SO_REUSEADDR "socket" option. */ 110 111 icmp_useloopback : 1, /* SO_USELOOPBACK "socket" option. */ 112 icmp_hdrincl : 1, /* IP_HDRINCL option + RAW and IGMP */ 113 icmp_dgram_errind : 1, /* SO_DGRAM_ERRIND option */ 114 icmp_unspec_source : 1, /* IP*_UNSPEC_SRC option */ 115 116 icmp_raw_checksum : 1, /* raw checksum per IPV6_CHECKSUM */ 117 icmp_no_tp_cksum : 1, /* icmp_proto is UDP or TCP */ 118 icmp_ip_recvpktinfo : 1, /* IPV[4,6]_RECVPKTINFO option */ 119 icmp_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ 120 121 icmp_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ 122 icmp_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ 123 icmp_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ 124 icmp_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU option */ 125 126 icmp_recvif:1, /* IP_RECVIF for raw sockets option */ 127 icmp_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS option */ 128 icmp_ipv6_recvrtdstopts : 1, /* Obsolete IPV6_RECVRTHDRDSTOPTS */ 129 icmp_old_ipv6_recvdstopts : 1, /* Old ver of IPV6_RECVDSTOPTS */ 130 131 icmp_timestamp : 1, /* SO_TIMESTAMP "socket" option */ 132 icmp_mac_exempt : 1, /* SO_MAC_EXEMPT option */ 133 134 icmp_pad_to_bit_31: 10; 135 136 uint8_t icmp_type_of_service; 137 uint8_t icmp_ttl; /* TTL or hoplimit */ 138 uint32_t icmp_checksum_off; /* user supplied checksum offset */ 139 icmp6_filter_t *icmp_filter; /* ICMP6_FILTER option */ 140 141 ip6_pkt_t icmp_sticky_ipp; /* Sticky options */ 142 uint8_t *icmp_sticky_hdrs; /* Prebuilt IPv6 hdrs */ 143 uint_t icmp_sticky_hdrs_len; /* Incl. ip6h and any ip6i */ 144 zoneid_t icmp_zoneid; /* ID of owning zone */ 145 uint_t icmp_label_len; /* length of security label */ 146 uint_t icmp_label_len_v6; /* sec. part of sticky opt */ 147 in6_addr_t icmp_v6lastdst; /* most recent destination */ 148 icmp_stack_t *icmp_is; /* Stack instance */ 149 } icmp_t; 150 151 /* 152 * Object to represent database of options to search passed to 153 * {sock,tpi}optcom_req() interface routine to take care of option 154 * management and associated methods. 155 */ 156 extern optdb_obj_t icmp_opt_obj; 157 extern uint_t icmp_max_optsize; 158 159 extern mblk_t *icmp_snmp_get(queue_t *q, mblk_t *mpctl); 160 extern void rawip_resume_bind(conn_t *, mblk_t *); 161 162 extern void icmp_ddi_init(void); 163 extern void icmp_ddi_destroy(void); 164 165 #endif /* _KERNEL */ 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif /* _RAWIP_IMPL_H */ 172