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 2009 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 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #ifdef _KERNEL 35 36 #include <sys/types.h> 37 #include <sys/netstack.h> 38 39 #include <netinet/in.h> 40 #include <netinet/icmp6.h> 41 #include <netinet/ip6.h> 42 43 #include <inet/common.h> 44 #include <inet/ip.h> 45 #include <inet/optcom.h> 46 47 /* Named Dispatch Parameter Management Structure */ 48 typedef struct icmpparam_s { 49 uint_t icmp_param_min; 50 uint_t icmp_param_max; 51 uint_t icmp_param_value; 52 char *icmp_param_name; 53 } icmpparam_t; 54 55 /* 56 * ICMP stack instances 57 */ 58 struct icmp_stack { 59 netstack_t *is_netstack; /* Common netstack */ 60 void *is_head; /* Head for list of open icmps */ 61 IDP is_nd; /* Points to table of ICMP ND variables. */ 62 icmpparam_t *is_param_arr; /* ndd variable table */ 63 kstat_t *is_ksp; /* kstats */ 64 mib2_rawip_t is_rawip_mib; /* SNMP fixed size info */ 65 ldi_ident_t is_ldi_ident; 66 }; 67 68 typedef struct icmp_stack icmp_stack_t; 69 70 /* Internal icmp control structure, one per open stream */ 71 typedef struct icmp_s { 72 krwlock_t icmp_rwlock; /* Protects most of icmp_t */ 73 t_scalar_t icmp_pending_op; /* The current TPI operation */ 74 /* 75 * Following fields up to icmp_ipversion protected by conn_lock. 76 */ 77 uint_t icmp_state; /* TPI state */ 78 in6_addr_t icmp_v6src; /* Source address of this stream */ 79 in6_addr_t icmp_bound_v6src; /* Explicitely bound to address */ 80 sin6_t icmp_v6dst; /* Connected destination */ 81 /* 82 * IP format that packets transmitted from this struct should use. 83 * Value can be IP4_VERSION or IPV6_VERSION. 84 */ 85 uchar_t icmp_ipversion; 86 87 /* Written to only once at the time of opening the endpoint */ 88 sa_family_t icmp_family; /* Family from socket() call */ 89 90 /* Following protected by icmp_rwlock */ 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_bound_if; /* IP*_BOUND_IF option */ 99 100 /* Written to only once at the time of opening the endpoint */ 101 conn_t *icmp_connp; 102 103 /* Following protected by icmp_rwlock */ 104 uint_t 105 icmp_debug : 1, /* SO_DEBUG "socket" option. */ 106 icmp_dontroute : 1, /* SO_DONTROUTE "socket" option. */ 107 icmp_broadcast : 1, /* SO_BROADCAST "socket" option. */ 108 icmp_reuseaddr : 1, /* SO_REUSEADDR "socket" option. */ 109 110 icmp_useloopback : 1, /* SO_USELOOPBACK "socket" option. */ 111 icmp_hdrincl : 1, /* IP_HDRINCL option + RAW and IGMP */ 112 icmp_dgram_errind : 1, /* SO_DGRAM_ERRIND option */ 113 icmp_unspec_source : 1, /* IP*_UNSPEC_SRC option */ 114 115 icmp_raw_checksum : 1, /* raw checksum per IPV6_CHECKSUM */ 116 icmp_no_tp_cksum : 1, /* icmp_proto is UDP or TCP */ 117 icmp_ip_recvpktinfo : 1, /* IPV[4,6]_RECVPKTINFO option */ 118 icmp_ipv6_recvhoplimit : 1, /* IPV6_RECVHOPLIMIT option */ 119 120 icmp_ipv6_recvhopopts : 1, /* IPV6_RECVHOPOPTS option */ 121 icmp_ipv6_recvdstopts : 1, /* IPV6_RECVDSTOPTS option */ 122 icmp_ipv6_recvrthdr : 1, /* IPV6_RECVRTHDR option */ 123 icmp_ipv6_recvpathmtu : 1, /* IPV6_RECVPATHMTU option */ 124 125 icmp_recvif:1, /* IP_RECVIF for raw sockets option */ 126 icmp_ipv6_recvtclass : 1, /* IPV6_RECVTCLASS option */ 127 icmp_ipv6_recvrtdstopts : 1, /* Obsolete IPV6_RECVRTHDRDSTOPTS */ 128 icmp_old_ipv6_recvdstopts : 1, /* Old ver of IPV6_RECVDSTOPTS */ 129 130 icmp_timestamp : 1, /* SO_TIMESTAMP "socket" option */ 131 132 icmp_pad_to_bit_31: 11; 133 134 uint8_t icmp_type_of_service; 135 uint8_t icmp_ttl; /* TTL or hoplimit */ 136 uint32_t icmp_checksum_off; /* user supplied checksum offset */ 137 icmp6_filter_t *icmp_filter; /* ICMP6_FILTER option */ 138 139 ip6_pkt_t icmp_sticky_ipp; /* Sticky options */ 140 uint8_t *icmp_sticky_hdrs; /* Prebuilt IPv6 hdrs */ 141 uint_t icmp_sticky_hdrs_len; /* Incl. ip6h and any ip6i */ 142 zoneid_t icmp_zoneid; /* ID of owning zone */ 143 uint_t icmp_label_len; /* length of security label */ 144 uint_t icmp_label_len_v6; /* sec. part of sticky opt */ 145 in6_addr_t icmp_v6lastdst; /* most recent destination */ 146 icmp_stack_t *icmp_is; /* Stack instance */ 147 size_t icmp_xmit_hiwat; 148 size_t icmp_xmit_lowat; 149 size_t icmp_recv_hiwat; 150 size_t icmp_recv_lowat; 151 int icmp_delayed_error; 152 kmutex_t icmp_recv_lock; 153 mblk_t *icmp_fallback_queue_head; 154 mblk_t *icmp_fallback_queue_tail; 155 struct sockaddr_storage icmp_delayed_addr; 156 } icmp_t; 157 158 /* 159 * Object to represent database of options to search passed to 160 * {sock,tpi}optcom_req() interface routine to take care of option 161 * management and associated methods. 162 */ 163 extern optdb_obj_t icmp_opt_obj; 164 extern uint_t icmp_max_optsize; 165 166 extern mblk_t *icmp_snmp_get(queue_t *q, mblk_t *mpctl); 167 168 extern void icmp_ddi_g_init(void); 169 extern void icmp_ddi_g_destroy(void); 170 171 extern sock_lower_handle_t rawip_create(int, int, int, sock_downcalls_t **, 172 uint_t *, int *, int, cred_t *); 173 extern int rawip_fallback(sock_lower_handle_t, queue_t *, boolean_t, 174 so_proto_quiesced_cb_t); 175 176 extern sock_downcalls_t sock_rawip_downcalls; 177 178 #endif /* _KERNEL */ 179 180 #ifdef __cplusplus 181 } 182 #endif 183 184 #endif /* _RAWIP_IMPL_H */ 185