1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $
30 */
31
32/*-
33 * Copyright (c) 1985, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
| 1/*-
2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $
30 */
31
32/*-
33 * Copyright (c) 1985, 1986, 1993
34 * The Regents of the University of California. All rights reserved.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 4. Neither the name of the University nor the names of its contributors
45 * may be used to endorse or promote products derived from this software
46 * without specific prior written permission.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * SUCH DAMAGE.
59 *
60 * @(#)in_var.h 8.1 (Berkeley) 6/10/93
|
61 * $FreeBSD: head/sys/netinet6/in6_var.h 252511 2013-07-02 16:58:15Z hrs $
| 61 * $FreeBSD: head/sys/netinet6/in6_var.h 253081 2013-07-09 09:32:06Z ae $
|
62 */
63
64#ifndef _NETINET6_IN6_VAR_H_
65#define _NETINET6_IN6_VAR_H_
66
67#include <sys/tree.h>
68
69#ifdef _KERNEL
70#include <sys/fnv_hash.h>
71#include <sys/libkern.h>
72#endif
73
74/*
75 * Interface address, Internet version. One of these structures
76 * is allocated for each interface with an Internet address.
77 * The ifaddr structure contains the protocol-independent part
78 * of the structure and is assumed to be first.
79 */
80
81/*
82 * pltime/vltime are just for future reference (required to implements 2
83 * hour rule for hosts). they should never be modified by nd6_timeout or
84 * anywhere else.
85 * userland -> kernel: accept pltime/vltime
86 * kernel -> userland: throw up everything
87 * in kernel: modify preferred/expire only
88 */
89struct in6_addrlifetime {
90 time_t ia6t_expire; /* valid lifetime expiration time */
91 time_t ia6t_preferred; /* preferred lifetime expiration time */
92 u_int32_t ia6t_vltime; /* valid lifetime */
93 u_int32_t ia6t_pltime; /* prefix lifetime */
94};
95
96struct nd_ifinfo;
97struct scope6_id;
98struct lltable;
99struct mld_ifinfo;
100
101struct in6_ifextra {
102 struct in6_ifstat *in6_ifstat;
103 struct icmp6_ifstat *icmp6_ifstat;
104 struct nd_ifinfo *nd_ifinfo;
105 struct scope6_id *scope6_id;
106 struct lltable *lltable;
107 struct mld_ifinfo *mld_ifinfo;
108};
109
110#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable)
111
112struct in6_ifaddr {
113 struct ifaddr ia_ifa; /* protocol-independent info */
114#define ia_ifp ia_ifa.ifa_ifp
115#define ia_flags ia_ifa.ifa_flags
116 struct sockaddr_in6 ia_addr; /* interface address */
117 struct sockaddr_in6 ia_net; /* network number of interface */
118 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
119 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
120 u_int32_t ia_plen; /* prefix length */
121 TAILQ_ENTRY(in6_ifaddr) ia_link; /* list of IPv6 addresses */
122 int ia6_flags;
123
124 struct in6_addrlifetime ia6_lifetime;
125 time_t ia6_createtime; /* the creation time of this address, which is
126 * currently used for temporary addresses only.
127 */
128 time_t ia6_updatetime;
129
130 /* back pointer to the ND prefix (for autoconfigured addresses only) */
131 struct nd_prefix *ia6_ndpr;
132
133 /* multicast addresses joined from the kernel */
134 LIST_HEAD(, in6_multi_mship) ia6_memberships;
135 /* entry in bucket of inet6 addresses */
136 LIST_ENTRY(in6_ifaddr) ia6_hash;
137};
138
139/* List of in6_ifaddr's. */
140TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr);
141LIST_HEAD(in6_ifaddrlisthead, in6_ifaddr);
142
143/* control structure to manage address selection policy */
144struct in6_addrpolicy {
145 struct sockaddr_in6 addr; /* prefix address */
146 struct sockaddr_in6 addrmask; /* prefix mask */
147 int preced; /* precedence */
148 int label; /* matching label */
149 u_quad_t use; /* statistics */
150};
151
152/*
153 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
154 */
155struct in6_ifstat {
| 62 */
63
64#ifndef _NETINET6_IN6_VAR_H_
65#define _NETINET6_IN6_VAR_H_
66
67#include <sys/tree.h>
68
69#ifdef _KERNEL
70#include <sys/fnv_hash.h>
71#include <sys/libkern.h>
72#endif
73
74/*
75 * Interface address, Internet version. One of these structures
76 * is allocated for each interface with an Internet address.
77 * The ifaddr structure contains the protocol-independent part
78 * of the structure and is assumed to be first.
79 */
80
81/*
82 * pltime/vltime are just for future reference (required to implements 2
83 * hour rule for hosts). they should never be modified by nd6_timeout or
84 * anywhere else.
85 * userland -> kernel: accept pltime/vltime
86 * kernel -> userland: throw up everything
87 * in kernel: modify preferred/expire only
88 */
89struct in6_addrlifetime {
90 time_t ia6t_expire; /* valid lifetime expiration time */
91 time_t ia6t_preferred; /* preferred lifetime expiration time */
92 u_int32_t ia6t_vltime; /* valid lifetime */
93 u_int32_t ia6t_pltime; /* prefix lifetime */
94};
95
96struct nd_ifinfo;
97struct scope6_id;
98struct lltable;
99struct mld_ifinfo;
100
101struct in6_ifextra {
102 struct in6_ifstat *in6_ifstat;
103 struct icmp6_ifstat *icmp6_ifstat;
104 struct nd_ifinfo *nd_ifinfo;
105 struct scope6_id *scope6_id;
106 struct lltable *lltable;
107 struct mld_ifinfo *mld_ifinfo;
108};
109
110#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable)
111
112struct in6_ifaddr {
113 struct ifaddr ia_ifa; /* protocol-independent info */
114#define ia_ifp ia_ifa.ifa_ifp
115#define ia_flags ia_ifa.ifa_flags
116 struct sockaddr_in6 ia_addr; /* interface address */
117 struct sockaddr_in6 ia_net; /* network number of interface */
118 struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
119 struct sockaddr_in6 ia_prefixmask; /* prefix mask */
120 u_int32_t ia_plen; /* prefix length */
121 TAILQ_ENTRY(in6_ifaddr) ia_link; /* list of IPv6 addresses */
122 int ia6_flags;
123
124 struct in6_addrlifetime ia6_lifetime;
125 time_t ia6_createtime; /* the creation time of this address, which is
126 * currently used for temporary addresses only.
127 */
128 time_t ia6_updatetime;
129
130 /* back pointer to the ND prefix (for autoconfigured addresses only) */
131 struct nd_prefix *ia6_ndpr;
132
133 /* multicast addresses joined from the kernel */
134 LIST_HEAD(, in6_multi_mship) ia6_memberships;
135 /* entry in bucket of inet6 addresses */
136 LIST_ENTRY(in6_ifaddr) ia6_hash;
137};
138
139/* List of in6_ifaddr's. */
140TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr);
141LIST_HEAD(in6_ifaddrlisthead, in6_ifaddr);
142
143/* control structure to manage address selection policy */
144struct in6_addrpolicy {
145 struct sockaddr_in6 addr; /* prefix address */
146 struct sockaddr_in6 addrmask; /* prefix mask */
147 int preced; /* precedence */
148 int label; /* matching label */
149 u_quad_t use; /* statistics */
150};
151
152/*
153 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
154 */
155struct in6_ifstat {
|
156 u_quad_t ifs6_in_receive; /* # of total input datagram */
157 u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
158 u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
159 u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
160 u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
161 u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
| 156 uint64_t ifs6_in_receive; /* # of total input datagram */
157 uint64_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
158 uint64_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
159 uint64_t ifs6_in_noroute; /* # of datagrams with no route */
160 uint64_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
161 uint64_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
|
162 /* NOTE: increment on final dst if */
| 162 /* NOTE: increment on final dst if */
|
163 u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
164 u_quad_t ifs6_in_discard; /* # of discarded datagrams */
| 163 uint64_t ifs6_in_truncated; /* # of truncated datagrams */
164 uint64_t ifs6_in_discard; /* # of discarded datagrams */
|
165 /* NOTE: fragment timeout is not here */
| 165 /* NOTE: fragment timeout is not here */
|
166 u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
| 166 uint64_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
|
167 /* NOTE: increment on final dst if */
| 167 /* NOTE: increment on final dst if */
|
168 u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
| 168 uint64_t ifs6_out_forward; /* # of datagrams forwarded */
|
169 /* NOTE: increment on outgoing if */
| 169 /* NOTE: increment on outgoing if */
|
170 u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
| 170 uint64_t ifs6_out_request; /* # of outgoing datagrams from ULP */
|
171 /* NOTE: does not include forwrads */
| 171 /* NOTE: does not include forwrads */
|
172 u_quad_t ifs6_out_discard; /* # of discarded datagrams */
173 u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
174 u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
175 u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
| 172 uint64_t ifs6_out_discard; /* # of discarded datagrams */
173 uint64_t ifs6_out_fragok; /* # of datagrams fragmented */
174 uint64_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
175 uint64_t ifs6_out_fragcreat; /* # of fragment datagrams */
|
176 /* NOTE: this is # after fragment */
| 176 /* NOTE: this is # after fragment */
|
177 u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
| 177 uint64_t ifs6_reass_reqd; /* # of incoming fragmented packets */
|
178 /* NOTE: increment on final dst if */
| 178 /* NOTE: increment on final dst if */
|
179 u_quad_t ifs6_reass_ok; /* # of reassembled packets */
| 179 uint64_t ifs6_reass_ok; /* # of reassembled packets */
|
180 /* NOTE: this is # after reass */
181 /* NOTE: increment on final dst if */
| 180 /* NOTE: this is # after reass */
181 /* NOTE: increment on final dst if */
|
182 u_quad_t ifs6_reass_fail; /* # of reass failures */
| 182 uint64_t ifs6_reass_fail; /* # of reass failures */
|
183 /* NOTE: may not be packet count */
184 /* NOTE: increment on final dst if */
| 183 /* NOTE: may not be packet count */
184 /* NOTE: increment on final dst if */
|
185 u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
186 u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
| 185 uint64_t ifs6_in_mcast; /* # of inbound multicast datagrams */
186 uint64_t ifs6_out_mcast; /* # of outbound multicast datagrams */
|
187};
188
189/*
190 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
191 * XXX: I'm not sure if this file is the right place for this structure...
192 */
193struct icmp6_ifstat {
194 /*
195 * Input statistics
196 */
197 /* ipv6IfIcmpInMsgs, total # of input messages */
| 187};
188
189/*
190 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
191 * XXX: I'm not sure if this file is the right place for this structure...
192 */
193struct icmp6_ifstat {
194 /*
195 * Input statistics
196 */
197 /* ipv6IfIcmpInMsgs, total # of input messages */
|
198 u_quad_t ifs6_in_msg;
| 198 uint64_t ifs6_in_msg;
|
199 /* ipv6IfIcmpInErrors, # of input error messages */
| 199 /* ipv6IfIcmpInErrors, # of input error messages */
|
200 u_quad_t ifs6_in_error;
| 200 uint64_t ifs6_in_error;
|
201 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
| 201 /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
|
202 u_quad_t ifs6_in_dstunreach;
| 202 uint64_t ifs6_in_dstunreach;
|
203 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
| 203 /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
|
204 u_quad_t ifs6_in_adminprohib;
| 204 uint64_t ifs6_in_adminprohib;
|
205 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
| 205 /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
|
206 u_quad_t ifs6_in_timeexceed;
| 206 uint64_t ifs6_in_timeexceed;
|
207 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
| 207 /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
|
208 u_quad_t ifs6_in_paramprob;
| 208 uint64_t ifs6_in_paramprob;
|
209 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
| 209 /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
|
210 u_quad_t ifs6_in_pkttoobig;
| 210 uint64_t ifs6_in_pkttoobig;
|
211 /* ipv6IfIcmpInEchos, # of input echo requests */
| 211 /* ipv6IfIcmpInEchos, # of input echo requests */
|
212 u_quad_t ifs6_in_echo;
| 212 uint64_t ifs6_in_echo;
|
213 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
| 213 /* ipv6IfIcmpInEchoReplies, # of input echo replies */
|
214 u_quad_t ifs6_in_echoreply;
| 214 uint64_t ifs6_in_echoreply;
|
215 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
| 215 /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
|
216 u_quad_t ifs6_in_routersolicit;
| 216 uint64_t ifs6_in_routersolicit;
|
217 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
| 217 /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
|
218 u_quad_t ifs6_in_routeradvert;
| 218 uint64_t ifs6_in_routeradvert;
|
219 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
| 219 /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
|
220 u_quad_t ifs6_in_neighborsolicit;
| 220 uint64_t ifs6_in_neighborsolicit;
|
221 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
| 221 /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
|
222 u_quad_t ifs6_in_neighboradvert;
| 222 uint64_t ifs6_in_neighboradvert;
|
223 /* ipv6IfIcmpInRedirects, # of input redirects */
| 223 /* ipv6IfIcmpInRedirects, # of input redirects */
|
224 u_quad_t ifs6_in_redirect;
| 224 uint64_t ifs6_in_redirect;
|
225 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
| 225 /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
|
226 u_quad_t ifs6_in_mldquery;
| 226 uint64_t ifs6_in_mldquery;
|
227 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
| 227 /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
|
228 u_quad_t ifs6_in_mldreport;
| 228 uint64_t ifs6_in_mldreport;
|
229 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
| 229 /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
|
230 u_quad_t ifs6_in_mlddone;
| 230 uint64_t ifs6_in_mlddone;
|
231
232 /*
233 * Output statistics. We should solve unresolved routing problem...
234 */
235 /* ipv6IfIcmpOutMsgs, total # of output messages */
| 231
232 /*
233 * Output statistics. We should solve unresolved routing problem...
234 */
235 /* ipv6IfIcmpOutMsgs, total # of output messages */
|
236 u_quad_t ifs6_out_msg;
| 236 uint64_t ifs6_out_msg;
|
237 /* ipv6IfIcmpOutErrors, # of output error messages */
| 237 /* ipv6IfIcmpOutErrors, # of output error messages */
|
238 u_quad_t ifs6_out_error;
| 238 uint64_t ifs6_out_error;
|
239 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
| 239 /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
|
240 u_quad_t ifs6_out_dstunreach;
| 240 uint64_t ifs6_out_dstunreach;
|
241 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
| 241 /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
|
242 u_quad_t ifs6_out_adminprohib;
| 242 uint64_t ifs6_out_adminprohib;
|
243 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
| 243 /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
|
244 u_quad_t ifs6_out_timeexceed;
| 244 uint64_t ifs6_out_timeexceed;
|
245 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
| 245 /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
|
246 u_quad_t ifs6_out_paramprob;
| 246 uint64_t ifs6_out_paramprob;
|
247 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
| 247 /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
|
248 u_quad_t ifs6_out_pkttoobig;
| 248 uint64_t ifs6_out_pkttoobig;
|
249 /* ipv6IfIcmpOutEchos, # of output echo requests */
| 249 /* ipv6IfIcmpOutEchos, # of output echo requests */
|
250 u_quad_t ifs6_out_echo;
| 250 uint64_t ifs6_out_echo;
|
251 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
| 251 /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
|
252 u_quad_t ifs6_out_echoreply;
| 252 uint64_t ifs6_out_echoreply;
|
253 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
| 253 /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
|
254 u_quad_t ifs6_out_routersolicit;
| 254 uint64_t ifs6_out_routersolicit;
|
255 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
| 255 /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
|
256 u_quad_t ifs6_out_routeradvert;
| 256 uint64_t ifs6_out_routeradvert;
|
257 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
| 257 /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
|
258 u_quad_t ifs6_out_neighborsolicit;
| 258 uint64_t ifs6_out_neighborsolicit;
|
259 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
| 259 /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
|
260 u_quad_t ifs6_out_neighboradvert;
| 260 uint64_t ifs6_out_neighboradvert;
|
261 /* ipv6IfIcmpOutRedirects, # of output redirects */
| 261 /* ipv6IfIcmpOutRedirects, # of output redirects */
|
262 u_quad_t ifs6_out_redirect;
| 262 uint64_t ifs6_out_redirect;
|
263 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
| 263 /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
|
264 u_quad_t ifs6_out_mldquery;
| 264 uint64_t ifs6_out_mldquery;
|
265 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
| 265 /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
|
266 u_quad_t ifs6_out_mldreport;
| 266 uint64_t ifs6_out_mldreport;
|
267 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
| 267 /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
|
268 u_quad_t ifs6_out_mlddone;
| 268 uint64_t ifs6_out_mlddone;
|
269};
270
271struct in6_ifreq {
272 char ifr_name[IFNAMSIZ];
273 union {
274 struct sockaddr_in6 ifru_addr;
275 struct sockaddr_in6 ifru_dstaddr;
276 int ifru_flags;
277 int ifru_flags6;
278 int ifru_metric;
279 caddr_t ifru_data;
280 struct in6_addrlifetime ifru_lifetime;
281 struct in6_ifstat ifru_stat;
282 struct icmp6_ifstat ifru_icmp6stat;
283 u_int32_t ifru_scope_id[16];
284 } ifr_ifru;
285};
286
287struct in6_aliasreq {
288 char ifra_name[IFNAMSIZ];
289 struct sockaddr_in6 ifra_addr;
290 struct sockaddr_in6 ifra_dstaddr;
291 struct sockaddr_in6 ifra_prefixmask;
292 int ifra_flags;
293 struct in6_addrlifetime ifra_lifetime;
294 int ifra_vhid;
295};
296
297/* pre-10.x compat */
298struct oin6_aliasreq {
299 char ifra_name[IFNAMSIZ];
300 struct sockaddr_in6 ifra_addr;
301 struct sockaddr_in6 ifra_dstaddr;
302 struct sockaddr_in6 ifra_prefixmask;
303 int ifra_flags;
304 struct in6_addrlifetime ifra_lifetime;
305};
306
307/* prefix type macro */
308#define IN6_PREFIX_ND 1
309#define IN6_PREFIX_RR 2
310
311/*
312 * prefix related flags passed between kernel(NDP related part) and
313 * user land command(ifconfig) and daemon(rtadvd).
314 */
315struct in6_prflags {
316 struct prf_ra {
317 u_char onlink : 1;
318 u_char autonomous : 1;
319 u_char reserved : 6;
320 } prf_ra;
321 u_char prf_reserved1;
322 u_short prf_reserved2;
323 /* want to put this on 4byte offset */
324 struct prf_rr {
325 u_char decrvalid : 1;
326 u_char decrprefd : 1;
327 u_char reserved : 6;
328 } prf_rr;
329 u_char prf_reserved3;
330 u_short prf_reserved4;
331};
332
333struct in6_prefixreq {
334 char ipr_name[IFNAMSIZ];
335 u_char ipr_origin;
336 u_char ipr_plen;
337 u_int32_t ipr_vltime;
338 u_int32_t ipr_pltime;
339 struct in6_prflags ipr_flags;
340 struct sockaddr_in6 ipr_prefix;
341};
342
343#define PR_ORIG_RA 0
344#define PR_ORIG_RR 1
345#define PR_ORIG_STATIC 2
346#define PR_ORIG_KERNEL 3
347
348#define ipr_raf_onlink ipr_flags.prf_ra.onlink
349#define ipr_raf_auto ipr_flags.prf_ra.autonomous
350
351#define ipr_statef_onlink ipr_flags.prf_state.onlink
352
353#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
354#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
355
356struct in6_rrenumreq {
357 char irr_name[IFNAMSIZ];
358 u_char irr_origin;
359 u_char irr_m_len; /* match len for matchprefix */
360 u_char irr_m_minlen; /* minlen for matching prefix */
361 u_char irr_m_maxlen; /* maxlen for matching prefix */
362 u_char irr_u_uselen; /* uselen for adding prefix */
363 u_char irr_u_keeplen; /* keeplen from matching prefix */
364 struct irr_raflagmask {
365 u_char onlink : 1;
366 u_char autonomous : 1;
367 u_char reserved : 6;
368 } irr_raflagmask;
369 u_int32_t irr_vltime;
370 u_int32_t irr_pltime;
371 struct in6_prflags irr_flags;
372 struct sockaddr_in6 irr_matchprefix;
373 struct sockaddr_in6 irr_useprefix;
374};
375
376#define irr_raf_mask_onlink irr_raflagmask.onlink
377#define irr_raf_mask_auto irr_raflagmask.autonomous
378#define irr_raf_mask_reserved irr_raflagmask.reserved
379
380#define irr_raf_onlink irr_flags.prf_ra.onlink
381#define irr_raf_auto irr_flags.prf_ra.autonomous
382
383#define irr_statef_onlink irr_flags.prf_state.onlink
384
385#define irr_rrf irr_flags.prf_rr
386#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
387#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
388
389/*
390 * Given a pointer to an in6_ifaddr (ifaddr),
391 * return a pointer to the addr as a sockaddr_in6
392 */
393#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
394#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
395#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
396#define IA6_SIN6(ia) (&((ia)->ia_addr))
397#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
398#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
399#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
400
401#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
402
403#ifdef _KERNEL
404#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
405 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
406 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
407 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
408 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
409#endif
410
411#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
412#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
413
414#ifdef _KERNEL
415/*
416 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
417 * we do not shift numbers for binary compatibility.
418 */
419#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
420#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
421#endif
422
423#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
424#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
425
426#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
427#define OSIOCAIFADDR_IN6 _IOW('i', 26, struct oin6_aliasreq)
428#define SIOCAIFADDR_IN6 _IOW('i', 27, struct in6_aliasreq)
429
430#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
431#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
432#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
433
434#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
435
436#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
437#ifdef _KERNEL
438/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
439#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
440#endif
441#ifdef _KERNEL
442#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
443#endif
444#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
445#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
446#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
447#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
448#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
449#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
450
451#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
452#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
453#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
454#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
455
456#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
457#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
458
459#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
460
461#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
462#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
463#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
464
465#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
466#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
467#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
468#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
469#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
470 struct in6_rrenumreq) /* change */
471#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
472 struct in6_rrenumreq) /* set global */
473
474#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
475 struct sioc_sg_req6) /* get s,g pkt cnt */
476#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
477 struct sioc_mif_req6) /* get pkt cnt per if */
478
479#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
480#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
481
482#define IN6_IFF_ANYCAST 0x01 /* anycast address */
483#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
484#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
485#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
486#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
487#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
488 * (used only at first SIOC* call)
489 */
490#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
491#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
492#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
493 * XXX: this should be temporary.
494 */
495
496/* do not input/output */
497#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
498
499#ifdef _KERNEL
500#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
501#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
502#endif
503
504#ifdef _KERNEL
505VNET_DECLARE(struct in6_ifaddrhead, in6_ifaddrhead);
506VNET_DECLARE(struct in6_ifaddrlisthead *, in6_ifaddrhashtbl);
507VNET_DECLARE(u_long, in6_ifaddrhmask);
508#define V_in6_ifaddrhead VNET(in6_ifaddrhead)
509#define V_in6_ifaddrhashtbl VNET(in6_ifaddrhashtbl)
510#define V_in6_ifaddrhmask VNET(in6_ifaddrhmask)
511
512#define IN6ADDR_NHASH_LOG2 8
513#define IN6ADDR_NHASH (1 << IN6ADDR_NHASH_LOG2)
514#define IN6ADDR_HASHVAL(x) (in6_addrhash(x))
515#define IN6ADDR_HASH(x) \
516 (&V_in6_ifaddrhashtbl[IN6ADDR_HASHVAL(x) & V_in6_ifaddrhmask])
517
518static __inline uint32_t
519in6_addrhash(struct in6_addr *in6)
520{
521 uint32_t x;
522
523 x = in6->s6_addr32[0] ^ in6->s6_addr32[1] ^ in6->s6_addr32[2] ^
524 in6->s6_addr32[3];
525 return (fnv_32_buf(&x, sizeof(x), FNV1_32_INIT));
526}
527
528extern struct rwlock in6_ifaddr_lock;
529#define IN6_IFADDR_LOCK_ASSERT( ) rw_assert(&in6_ifaddr_lock, RA_LOCKED)
530#define IN6_IFADDR_RLOCK() rw_rlock(&in6_ifaddr_lock)
531#define IN6_IFADDR_RLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_RLOCKED)
532#define IN6_IFADDR_RUNLOCK() rw_runlock(&in6_ifaddr_lock)
533#define IN6_IFADDR_WLOCK() rw_wlock(&in6_ifaddr_lock)
534#define IN6_IFADDR_WLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_WLOCKED)
535#define IN6_IFADDR_WUNLOCK() rw_wunlock(&in6_ifaddr_lock)
536
537VNET_DECLARE(struct icmp6stat, icmp6stat);
538#define V_icmp6stat VNET(icmp6stat)
539#define in6_ifstat_inc(ifp, tag) \
540do { \
541 if (ifp) \
542 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
543} while (/*CONSTCOND*/ 0)
544
545extern u_char inet6ctlerrmap[];
546VNET_DECLARE(unsigned long, in6_maxmtu);
547#define V_in6_maxmtu VNET(in6_maxmtu)
548#endif /* _KERNEL */
549
550/*
551 * IPv6 multicast MLD-layer source entry.
552 */
553struct ip6_msource {
554 RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */
555 struct in6_addr im6s_addr;
556 struct im6s_st {
557 uint16_t ex; /* # of exclusive members */
558 uint16_t in; /* # of inclusive members */
559 } im6s_st[2]; /* state at t0, t1 */
560 uint8_t im6s_stp; /* pending query */
561};
562RB_HEAD(ip6_msource_tree, ip6_msource);
563
564/*
565 * IPv6 multicast PCB-layer source entry.
566 *
567 * NOTE: overlapping use of struct ip6_msource fields at start.
568 */
569struct in6_msource {
570 RB_ENTRY(ip6_msource) im6s_link; /* Common field */
571 struct in6_addr im6s_addr; /* Common field */
572 uint8_t im6sl_st[2]; /* state before/at commit */
573};
574
575#ifdef _KERNEL
576/*
577 * IPv6 source tree comparison function.
578 *
579 * An ordered predicate is necessary; bcmp() is not documented to return
580 * an indication of order, memcmp() is, and is an ISO C99 requirement.
581 */
582static __inline int
583ip6_msource_cmp(const struct ip6_msource *a, const struct ip6_msource *b)
584{
585
586 return (memcmp(&a->im6s_addr, &b->im6s_addr, sizeof(struct in6_addr)));
587}
588RB_PROTOTYPE(ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp);
589#endif /* _KERNEL */
590
591/*
592 * IPv6 multicast PCB-layer group filter descriptor.
593 */
594struct in6_mfilter {
595 struct ip6_msource_tree im6f_sources; /* source list for (S,G) */
596 u_long im6f_nsrc; /* # of source entries */
597 uint8_t im6f_st[2]; /* state before/at commit */
598};
599
600/*
601 * Legacy KAME IPv6 multicast membership descriptor.
602 */
603struct in6_multi_mship {
604 struct in6_multi *i6mm_maddr;
605 LIST_ENTRY(in6_multi_mship) i6mm_chain;
606};
607
608/*
609 * IPv6 group descriptor.
610 *
611 * For every entry on an ifnet's if_multiaddrs list which represents
612 * an IP multicast group, there is one of these structures.
613 *
614 * If any source filters are present, then a node will exist in the RB-tree
615 * to permit fast lookup by source whenever an operation takes place.
616 * This permits pre-order traversal when we issue reports.
617 * Source filter trees are kept separately from the socket layer to
618 * greatly simplify locking.
619 *
620 * When MLDv2 is active, in6m_timer is the response to group query timer.
621 * The state-change timer in6m_sctimer is separate; whenever state changes
622 * for the group the state change record is generated and transmitted,
623 * and kept if retransmissions are necessary.
624 *
625 * FUTURE: in6m_link is now only used when groups are being purged
626 * on a detaching ifnet. It could be demoted to a SLIST_ENTRY, but
627 * because it is at the very start of the struct, we can't do this
628 * w/o breaking the ABI for ifmcstat.
629 */
630struct in6_multi {
631 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
632 struct in6_addr in6m_addr; /* IPv6 multicast address */
633 struct ifnet *in6m_ifp; /* back pointer to ifnet */
634 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
635 u_int in6m_refcount; /* reference count */
636 u_int in6m_state; /* state of the membership */
637 u_int in6m_timer; /* MLD6 listener report timer */
638
639 /* New fields for MLDv2 follow. */
640 struct mld_ifinfo *in6m_mli; /* MLD info */
641 SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */
642 struct ip6_msource_tree in6m_srcs; /* tree of sources */
643 u_long in6m_nsrc; /* # of tree entries */
644
645 struct ifqueue in6m_scq; /* queue of pending
646 * state-change packets */
647 struct timeval in6m_lastgsrtv; /* last G-S-R query */
648 uint16_t in6m_sctimer; /* state-change timer */
649 uint16_t in6m_scrv; /* state-change rexmit count */
650
651 /*
652 * SSM state counters which track state at T0 (the time the last
653 * state-change report's RV timer went to zero) and T1
654 * (time of pending report, i.e. now).
655 * Used for computing MLDv2 state-change reports. Several refcounts
656 * are maintained here to optimize for common use-cases.
657 */
658 struct in6m_st {
659 uint16_t iss_fmode; /* MLD filter mode */
660 uint16_t iss_asm; /* # of ASM listeners */
661 uint16_t iss_ex; /* # of exclusive members */
662 uint16_t iss_in; /* # of inclusive members */
663 uint16_t iss_rec; /* # of recorded sources */
664 } in6m_st[2]; /* state at t0, t1 */
665};
666
667/*
668 * Helper function to derive the filter mode on a source entry
669 * from its internal counters. Predicates are:
670 * A source is only excluded if all listeners exclude it.
671 * A source is only included if no listeners exclude it,
672 * and at least one listener includes it.
673 * May be used by ifmcstat(8).
674 */
675static __inline uint8_t
676im6s_get_mode(const struct in6_multi *inm, const struct ip6_msource *ims,
677 uint8_t t)
678{
679
680 t = !!t;
681 if (inm->in6m_st[t].iss_ex > 0 &&
682 inm->in6m_st[t].iss_ex == ims->im6s_st[t].ex)
683 return (MCAST_EXCLUDE);
684 else if (ims->im6s_st[t].in > 0 && ims->im6s_st[t].ex == 0)
685 return (MCAST_INCLUDE);
686 return (MCAST_UNDEFINED);
687}
688
689#ifdef _KERNEL
690
691/*
692 * Lock macros for IPv6 layer multicast address lists. IPv6 lock goes
693 * before link layer multicast locks in the lock order. In most cases,
694 * consumers of IN_*_MULTI() macros should acquire the locks before
695 * calling them; users of the in_{add,del}multi() functions should not.
696 */
697extern struct mtx in6_multi_mtx;
698#define IN6_MULTI_LOCK() mtx_lock(&in6_multi_mtx)
699#define IN6_MULTI_UNLOCK() mtx_unlock(&in6_multi_mtx)
700#define IN6_MULTI_LOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_OWNED)
701#define IN6_MULTI_UNLOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_NOTOWNED)
702
703/*
704 * Look up an in6_multi record for an IPv6 multicast address
705 * on the interface ifp.
706 * If no record found, return NULL.
707 *
708 * SMPng: The IN6_MULTI_LOCK and IF_ADDR_LOCK on ifp must be held.
709 */
710static __inline struct in6_multi *
711in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr)
712{
713 struct ifmultiaddr *ifma;
714 struct in6_multi *inm;
715
716 IN6_MULTI_LOCK_ASSERT();
717 IF_ADDR_LOCK_ASSERT(ifp);
718
719 inm = NULL;
720 TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) {
721 if (ifma->ifma_addr->sa_family == AF_INET6) {
722 inm = (struct in6_multi *)ifma->ifma_protospec;
723 if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr))
724 break;
725 inm = NULL;
726 }
727 }
728 return (inm);
729}
730
731/*
732 * Wrapper for in6m_lookup_locked().
733 *
734 * SMPng: Assumes that neithr the IN6_MULTI_LOCK() or IF_ADDR_LOCK() are held.
735 */
736static __inline struct in6_multi *
737in6m_lookup(struct ifnet *ifp, const struct in6_addr *mcaddr)
738{
739 struct in6_multi *inm;
740
741 IN6_MULTI_LOCK();
742 IF_ADDR_RLOCK(ifp);
743 inm = in6m_lookup_locked(ifp, mcaddr);
744 IF_ADDR_RUNLOCK(ifp);
745 IN6_MULTI_UNLOCK();
746
747 return (inm);
748}
749
750/* Acquire an in6_multi record. */
751static __inline void
752in6m_acquire_locked(struct in6_multi *inm)
753{
754
755 IN6_MULTI_LOCK_ASSERT();
756 ++inm->in6m_refcount;
757}
758
759struct ip6_moptions;
760struct sockopt;
761
762/* Multicast KPIs. */
763int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *,
764 const struct sockaddr *, const struct sockaddr *);
765int in6_mc_join(struct ifnet *, const struct in6_addr *,
766 struct in6_mfilter *, struct in6_multi **, int);
767int in6_mc_join_locked(struct ifnet *, const struct in6_addr *,
768 struct in6_mfilter *, struct in6_multi **, int);
769int in6_mc_leave(struct in6_multi *, struct in6_mfilter *);
770int in6_mc_leave_locked(struct in6_multi *, struct in6_mfilter *);
771void in6m_clear_recorded(struct in6_multi *);
772void in6m_commit(struct in6_multi *);
773void in6m_print(const struct in6_multi *);
774int in6m_record_source(struct in6_multi *, const struct in6_addr *);
775void in6m_release_locked(struct in6_multi *);
776void ip6_freemoptions(struct ip6_moptions *);
777int ip6_getmoptions(struct inpcb *, struct sockopt *);
778int ip6_setmoptions(struct inpcb *, struct sockopt *);
779
780/* Legacy KAME multicast KPIs. */
781struct in6_multi_mship *
782 in6_joingroup(struct ifnet *, struct in6_addr *, int *, int);
783int in6_leavegroup(struct in6_multi_mship *);
784
785/* flags to in6_update_ifa */
786#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
787
788int in6_mask2len(struct in6_addr *, u_char *);
789int in6_control(struct socket *, u_long, caddr_t, struct ifnet *,
790 struct thread *);
791int in6_update_ifa(struct ifnet *, struct in6_aliasreq *,
792 struct in6_ifaddr *, int);
793void in6_purgeaddr(struct ifaddr *);
794int in6if_do_dad(struct ifnet *);
795void in6_purgeif(struct ifnet *);
796void in6_savemkludge(struct in6_ifaddr *);
797void *in6_domifattach(struct ifnet *);
798void in6_domifdetach(struct ifnet *, void *);
799void in6_setmaxmtu(void);
800int in6_if2idlen(struct ifnet *);
801struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int);
802struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *);
803struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *);
804char *ip6_sprintf(char *, const struct in6_addr *);
805int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *);
806int in6_matchlen(struct in6_addr *, struct in6_addr *);
807int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int);
808void in6_prefixlen2mask(struct in6_addr *, int);
809int in6_prefix_ioctl(struct socket *, u_long, caddr_t,
810 struct ifnet *);
811int in6_prefix_add_ifid(int, struct in6_ifaddr *);
812void in6_prefix_remove_ifid(int, struct in6_ifaddr *);
813void in6_purgeprefix(struct ifnet *);
814void in6_ifremloop(struct ifaddr *);
815void in6_ifaddloop(struct ifaddr *);
816
817int in6_is_addr_deprecated(struct sockaddr_in6 *);
818int in6_src_ioctl(u_long, caddr_t);
819
820/*
821 * Extended API for IPv6 FIB support.
822 */
823void in6_rtredirect(struct sockaddr *, struct sockaddr *, struct sockaddr *,
824 int, struct sockaddr *, u_int);
825int in6_rtrequest(int, struct sockaddr *, struct sockaddr *,
826 struct sockaddr *, int, struct rtentry **, u_int);
827void in6_rtalloc(struct route_in6 *, u_int);
828void in6_rtalloc_ign(struct route_in6 *, u_long, u_int);
829struct rtentry *in6_rtalloc1(struct sockaddr *, int, u_long, u_int);
830#endif /* _KERNEL */
831
832#endif /* _NETINET6_IN6_VAR_H_ */
| 269};
270
271struct in6_ifreq {
272 char ifr_name[IFNAMSIZ];
273 union {
274 struct sockaddr_in6 ifru_addr;
275 struct sockaddr_in6 ifru_dstaddr;
276 int ifru_flags;
277 int ifru_flags6;
278 int ifru_metric;
279 caddr_t ifru_data;
280 struct in6_addrlifetime ifru_lifetime;
281 struct in6_ifstat ifru_stat;
282 struct icmp6_ifstat ifru_icmp6stat;
283 u_int32_t ifru_scope_id[16];
284 } ifr_ifru;
285};
286
287struct in6_aliasreq {
288 char ifra_name[IFNAMSIZ];
289 struct sockaddr_in6 ifra_addr;
290 struct sockaddr_in6 ifra_dstaddr;
291 struct sockaddr_in6 ifra_prefixmask;
292 int ifra_flags;
293 struct in6_addrlifetime ifra_lifetime;
294 int ifra_vhid;
295};
296
297/* pre-10.x compat */
298struct oin6_aliasreq {
299 char ifra_name[IFNAMSIZ];
300 struct sockaddr_in6 ifra_addr;
301 struct sockaddr_in6 ifra_dstaddr;
302 struct sockaddr_in6 ifra_prefixmask;
303 int ifra_flags;
304 struct in6_addrlifetime ifra_lifetime;
305};
306
307/* prefix type macro */
308#define IN6_PREFIX_ND 1
309#define IN6_PREFIX_RR 2
310
311/*
312 * prefix related flags passed between kernel(NDP related part) and
313 * user land command(ifconfig) and daemon(rtadvd).
314 */
315struct in6_prflags {
316 struct prf_ra {
317 u_char onlink : 1;
318 u_char autonomous : 1;
319 u_char reserved : 6;
320 } prf_ra;
321 u_char prf_reserved1;
322 u_short prf_reserved2;
323 /* want to put this on 4byte offset */
324 struct prf_rr {
325 u_char decrvalid : 1;
326 u_char decrprefd : 1;
327 u_char reserved : 6;
328 } prf_rr;
329 u_char prf_reserved3;
330 u_short prf_reserved4;
331};
332
333struct in6_prefixreq {
334 char ipr_name[IFNAMSIZ];
335 u_char ipr_origin;
336 u_char ipr_plen;
337 u_int32_t ipr_vltime;
338 u_int32_t ipr_pltime;
339 struct in6_prflags ipr_flags;
340 struct sockaddr_in6 ipr_prefix;
341};
342
343#define PR_ORIG_RA 0
344#define PR_ORIG_RR 1
345#define PR_ORIG_STATIC 2
346#define PR_ORIG_KERNEL 3
347
348#define ipr_raf_onlink ipr_flags.prf_ra.onlink
349#define ipr_raf_auto ipr_flags.prf_ra.autonomous
350
351#define ipr_statef_onlink ipr_flags.prf_state.onlink
352
353#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
354#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
355
356struct in6_rrenumreq {
357 char irr_name[IFNAMSIZ];
358 u_char irr_origin;
359 u_char irr_m_len; /* match len for matchprefix */
360 u_char irr_m_minlen; /* minlen for matching prefix */
361 u_char irr_m_maxlen; /* maxlen for matching prefix */
362 u_char irr_u_uselen; /* uselen for adding prefix */
363 u_char irr_u_keeplen; /* keeplen from matching prefix */
364 struct irr_raflagmask {
365 u_char onlink : 1;
366 u_char autonomous : 1;
367 u_char reserved : 6;
368 } irr_raflagmask;
369 u_int32_t irr_vltime;
370 u_int32_t irr_pltime;
371 struct in6_prflags irr_flags;
372 struct sockaddr_in6 irr_matchprefix;
373 struct sockaddr_in6 irr_useprefix;
374};
375
376#define irr_raf_mask_onlink irr_raflagmask.onlink
377#define irr_raf_mask_auto irr_raflagmask.autonomous
378#define irr_raf_mask_reserved irr_raflagmask.reserved
379
380#define irr_raf_onlink irr_flags.prf_ra.onlink
381#define irr_raf_auto irr_flags.prf_ra.autonomous
382
383#define irr_statef_onlink irr_flags.prf_state.onlink
384
385#define irr_rrf irr_flags.prf_rr
386#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
387#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
388
389/*
390 * Given a pointer to an in6_ifaddr (ifaddr),
391 * return a pointer to the addr as a sockaddr_in6
392 */
393#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
394#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
395#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
396#define IA6_SIN6(ia) (&((ia)->ia_addr))
397#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
398#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
399#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
400
401#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
402
403#ifdef _KERNEL
404#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
405 (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
406 (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
407 (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
408 (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
409#endif
410
411#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
412#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
413
414#ifdef _KERNEL
415/*
416 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
417 * we do not shift numbers for binary compatibility.
418 */
419#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
420#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
421#endif
422
423#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
424#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
425
426#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
427#define OSIOCAIFADDR_IN6 _IOW('i', 26, struct oin6_aliasreq)
428#define SIOCAIFADDR_IN6 _IOW('i', 27, struct in6_aliasreq)
429
430#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
431#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
432#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
433
434#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
435
436#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
437#ifdef _KERNEL
438/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */
439#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist)
440#endif
441#ifdef _KERNEL
442#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
443#endif
444#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq)
445#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq)
446#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
447#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
448#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
449#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
450
451#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
452#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
453#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
454#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
455
456#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
457#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
458
459#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
460
461#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
462#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
463#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
464
465#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
466#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
467#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
468#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
469#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \
470 struct in6_rrenumreq) /* change */
471#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \
472 struct in6_rrenumreq) /* set global */
473
474#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \
475 struct sioc_sg_req6) /* get s,g pkt cnt */
476#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \
477 struct sioc_mif_req6) /* get pkt cnt per if */
478
479#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
480#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
481
482#define IN6_IFF_ANYCAST 0x01 /* anycast address */
483#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
484#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
485#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
486#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
487#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address
488 * (used only at first SIOC* call)
489 */
490#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */
491#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */
492#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management.
493 * XXX: this should be temporary.
494 */
495
496/* do not input/output */
497#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
498
499#ifdef _KERNEL
500#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
501#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
502#endif
503
504#ifdef _KERNEL
505VNET_DECLARE(struct in6_ifaddrhead, in6_ifaddrhead);
506VNET_DECLARE(struct in6_ifaddrlisthead *, in6_ifaddrhashtbl);
507VNET_DECLARE(u_long, in6_ifaddrhmask);
508#define V_in6_ifaddrhead VNET(in6_ifaddrhead)
509#define V_in6_ifaddrhashtbl VNET(in6_ifaddrhashtbl)
510#define V_in6_ifaddrhmask VNET(in6_ifaddrhmask)
511
512#define IN6ADDR_NHASH_LOG2 8
513#define IN6ADDR_NHASH (1 << IN6ADDR_NHASH_LOG2)
514#define IN6ADDR_HASHVAL(x) (in6_addrhash(x))
515#define IN6ADDR_HASH(x) \
516 (&V_in6_ifaddrhashtbl[IN6ADDR_HASHVAL(x) & V_in6_ifaddrhmask])
517
518static __inline uint32_t
519in6_addrhash(struct in6_addr *in6)
520{
521 uint32_t x;
522
523 x = in6->s6_addr32[0] ^ in6->s6_addr32[1] ^ in6->s6_addr32[2] ^
524 in6->s6_addr32[3];
525 return (fnv_32_buf(&x, sizeof(x), FNV1_32_INIT));
526}
527
528extern struct rwlock in6_ifaddr_lock;
529#define IN6_IFADDR_LOCK_ASSERT( ) rw_assert(&in6_ifaddr_lock, RA_LOCKED)
530#define IN6_IFADDR_RLOCK() rw_rlock(&in6_ifaddr_lock)
531#define IN6_IFADDR_RLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_RLOCKED)
532#define IN6_IFADDR_RUNLOCK() rw_runlock(&in6_ifaddr_lock)
533#define IN6_IFADDR_WLOCK() rw_wlock(&in6_ifaddr_lock)
534#define IN6_IFADDR_WLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_WLOCKED)
535#define IN6_IFADDR_WUNLOCK() rw_wunlock(&in6_ifaddr_lock)
536
537VNET_DECLARE(struct icmp6stat, icmp6stat);
538#define V_icmp6stat VNET(icmp6stat)
539#define in6_ifstat_inc(ifp, tag) \
540do { \
541 if (ifp) \
542 ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
543} while (/*CONSTCOND*/ 0)
544
545extern u_char inet6ctlerrmap[];
546VNET_DECLARE(unsigned long, in6_maxmtu);
547#define V_in6_maxmtu VNET(in6_maxmtu)
548#endif /* _KERNEL */
549
550/*
551 * IPv6 multicast MLD-layer source entry.
552 */
553struct ip6_msource {
554 RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */
555 struct in6_addr im6s_addr;
556 struct im6s_st {
557 uint16_t ex; /* # of exclusive members */
558 uint16_t in; /* # of inclusive members */
559 } im6s_st[2]; /* state at t0, t1 */
560 uint8_t im6s_stp; /* pending query */
561};
562RB_HEAD(ip6_msource_tree, ip6_msource);
563
564/*
565 * IPv6 multicast PCB-layer source entry.
566 *
567 * NOTE: overlapping use of struct ip6_msource fields at start.
568 */
569struct in6_msource {
570 RB_ENTRY(ip6_msource) im6s_link; /* Common field */
571 struct in6_addr im6s_addr; /* Common field */
572 uint8_t im6sl_st[2]; /* state before/at commit */
573};
574
575#ifdef _KERNEL
576/*
577 * IPv6 source tree comparison function.
578 *
579 * An ordered predicate is necessary; bcmp() is not documented to return
580 * an indication of order, memcmp() is, and is an ISO C99 requirement.
581 */
582static __inline int
583ip6_msource_cmp(const struct ip6_msource *a, const struct ip6_msource *b)
584{
585
586 return (memcmp(&a->im6s_addr, &b->im6s_addr, sizeof(struct in6_addr)));
587}
588RB_PROTOTYPE(ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp);
589#endif /* _KERNEL */
590
591/*
592 * IPv6 multicast PCB-layer group filter descriptor.
593 */
594struct in6_mfilter {
595 struct ip6_msource_tree im6f_sources; /* source list for (S,G) */
596 u_long im6f_nsrc; /* # of source entries */
597 uint8_t im6f_st[2]; /* state before/at commit */
598};
599
600/*
601 * Legacy KAME IPv6 multicast membership descriptor.
602 */
603struct in6_multi_mship {
604 struct in6_multi *i6mm_maddr;
605 LIST_ENTRY(in6_multi_mship) i6mm_chain;
606};
607
608/*
609 * IPv6 group descriptor.
610 *
611 * For every entry on an ifnet's if_multiaddrs list which represents
612 * an IP multicast group, there is one of these structures.
613 *
614 * If any source filters are present, then a node will exist in the RB-tree
615 * to permit fast lookup by source whenever an operation takes place.
616 * This permits pre-order traversal when we issue reports.
617 * Source filter trees are kept separately from the socket layer to
618 * greatly simplify locking.
619 *
620 * When MLDv2 is active, in6m_timer is the response to group query timer.
621 * The state-change timer in6m_sctimer is separate; whenever state changes
622 * for the group the state change record is generated and transmitted,
623 * and kept if retransmissions are necessary.
624 *
625 * FUTURE: in6m_link is now only used when groups are being purged
626 * on a detaching ifnet. It could be demoted to a SLIST_ENTRY, but
627 * because it is at the very start of the struct, we can't do this
628 * w/o breaking the ABI for ifmcstat.
629 */
630struct in6_multi {
631 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
632 struct in6_addr in6m_addr; /* IPv6 multicast address */
633 struct ifnet *in6m_ifp; /* back pointer to ifnet */
634 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
635 u_int in6m_refcount; /* reference count */
636 u_int in6m_state; /* state of the membership */
637 u_int in6m_timer; /* MLD6 listener report timer */
638
639 /* New fields for MLDv2 follow. */
640 struct mld_ifinfo *in6m_mli; /* MLD info */
641 SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */
642 struct ip6_msource_tree in6m_srcs; /* tree of sources */
643 u_long in6m_nsrc; /* # of tree entries */
644
645 struct ifqueue in6m_scq; /* queue of pending
646 * state-change packets */
647 struct timeval in6m_lastgsrtv; /* last G-S-R query */
648 uint16_t in6m_sctimer; /* state-change timer */
649 uint16_t in6m_scrv; /* state-change rexmit count */
650
651 /*
652 * SSM state counters which track state at T0 (the time the last
653 * state-change report's RV timer went to zero) and T1
654 * (time of pending report, i.e. now).
655 * Used for computing MLDv2 state-change reports. Several refcounts
656 * are maintained here to optimize for common use-cases.
657 */
658 struct in6m_st {
659 uint16_t iss_fmode; /* MLD filter mode */
660 uint16_t iss_asm; /* # of ASM listeners */
661 uint16_t iss_ex; /* # of exclusive members */
662 uint16_t iss_in; /* # of inclusive members */
663 uint16_t iss_rec; /* # of recorded sources */
664 } in6m_st[2]; /* state at t0, t1 */
665};
666
667/*
668 * Helper function to derive the filter mode on a source entry
669 * from its internal counters. Predicates are:
670 * A source is only excluded if all listeners exclude it.
671 * A source is only included if no listeners exclude it,
672 * and at least one listener includes it.
673 * May be used by ifmcstat(8).
674 */
675static __inline uint8_t
676im6s_get_mode(const struct in6_multi *inm, const struct ip6_msource *ims,
677 uint8_t t)
678{
679
680 t = !!t;
681 if (inm->in6m_st[t].iss_ex > 0 &&
682 inm->in6m_st[t].iss_ex == ims->im6s_st[t].ex)
683 return (MCAST_EXCLUDE);
684 else if (ims->im6s_st[t].in > 0 && ims->im6s_st[t].ex == 0)
685 return (MCAST_INCLUDE);
686 return (MCAST_UNDEFINED);
687}
688
689#ifdef _KERNEL
690
691/*
692 * Lock macros for IPv6 layer multicast address lists. IPv6 lock goes
693 * before link layer multicast locks in the lock order. In most cases,
694 * consumers of IN_*_MULTI() macros should acquire the locks before
695 * calling them; users of the in_{add,del}multi() functions should not.
696 */
697extern struct mtx in6_multi_mtx;
698#define IN6_MULTI_LOCK() mtx_lock(&in6_multi_mtx)
699#define IN6_MULTI_UNLOCK() mtx_unlock(&in6_multi_mtx)
700#define IN6_MULTI_LOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_OWNED)
701#define IN6_MULTI_UNLOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_NOTOWNED)
702
703/*
704 * Look up an in6_multi record for an IPv6 multicast address
705 * on the interface ifp.
706 * If no record found, return NULL.
707 *
708 * SMPng: The IN6_MULTI_LOCK and IF_ADDR_LOCK on ifp must be held.
709 */
710static __inline struct in6_multi *
711in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr)
712{
713 struct ifmultiaddr *ifma;
714 struct in6_multi *inm;
715
716 IN6_MULTI_LOCK_ASSERT();
717 IF_ADDR_LOCK_ASSERT(ifp);
718
719 inm = NULL;
720 TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) {
721 if (ifma->ifma_addr->sa_family == AF_INET6) {
722 inm = (struct in6_multi *)ifma->ifma_protospec;
723 if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr))
724 break;
725 inm = NULL;
726 }
727 }
728 return (inm);
729}
730
731/*
732 * Wrapper for in6m_lookup_locked().
733 *
734 * SMPng: Assumes that neithr the IN6_MULTI_LOCK() or IF_ADDR_LOCK() are held.
735 */
736static __inline struct in6_multi *
737in6m_lookup(struct ifnet *ifp, const struct in6_addr *mcaddr)
738{
739 struct in6_multi *inm;
740
741 IN6_MULTI_LOCK();
742 IF_ADDR_RLOCK(ifp);
743 inm = in6m_lookup_locked(ifp, mcaddr);
744 IF_ADDR_RUNLOCK(ifp);
745 IN6_MULTI_UNLOCK();
746
747 return (inm);
748}
749
750/* Acquire an in6_multi record. */
751static __inline void
752in6m_acquire_locked(struct in6_multi *inm)
753{
754
755 IN6_MULTI_LOCK_ASSERT();
756 ++inm->in6m_refcount;
757}
758
759struct ip6_moptions;
760struct sockopt;
761
762/* Multicast KPIs. */
763int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *,
764 const struct sockaddr *, const struct sockaddr *);
765int in6_mc_join(struct ifnet *, const struct in6_addr *,
766 struct in6_mfilter *, struct in6_multi **, int);
767int in6_mc_join_locked(struct ifnet *, const struct in6_addr *,
768 struct in6_mfilter *, struct in6_multi **, int);
769int in6_mc_leave(struct in6_multi *, struct in6_mfilter *);
770int in6_mc_leave_locked(struct in6_multi *, struct in6_mfilter *);
771void in6m_clear_recorded(struct in6_multi *);
772void in6m_commit(struct in6_multi *);
773void in6m_print(const struct in6_multi *);
774int in6m_record_source(struct in6_multi *, const struct in6_addr *);
775void in6m_release_locked(struct in6_multi *);
776void ip6_freemoptions(struct ip6_moptions *);
777int ip6_getmoptions(struct inpcb *, struct sockopt *);
778int ip6_setmoptions(struct inpcb *, struct sockopt *);
779
780/* Legacy KAME multicast KPIs. */
781struct in6_multi_mship *
782 in6_joingroup(struct ifnet *, struct in6_addr *, int *, int);
783int in6_leavegroup(struct in6_multi_mship *);
784
785/* flags to in6_update_ifa */
786#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */
787
788int in6_mask2len(struct in6_addr *, u_char *);
789int in6_control(struct socket *, u_long, caddr_t, struct ifnet *,
790 struct thread *);
791int in6_update_ifa(struct ifnet *, struct in6_aliasreq *,
792 struct in6_ifaddr *, int);
793void in6_purgeaddr(struct ifaddr *);
794int in6if_do_dad(struct ifnet *);
795void in6_purgeif(struct ifnet *);
796void in6_savemkludge(struct in6_ifaddr *);
797void *in6_domifattach(struct ifnet *);
798void in6_domifdetach(struct ifnet *, void *);
799void in6_setmaxmtu(void);
800int in6_if2idlen(struct ifnet *);
801struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int);
802struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *);
803struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *);
804char *ip6_sprintf(char *, const struct in6_addr *);
805int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *);
806int in6_matchlen(struct in6_addr *, struct in6_addr *);
807int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int);
808void in6_prefixlen2mask(struct in6_addr *, int);
809int in6_prefix_ioctl(struct socket *, u_long, caddr_t,
810 struct ifnet *);
811int in6_prefix_add_ifid(int, struct in6_ifaddr *);
812void in6_prefix_remove_ifid(int, struct in6_ifaddr *);
813void in6_purgeprefix(struct ifnet *);
814void in6_ifremloop(struct ifaddr *);
815void in6_ifaddloop(struct ifaddr *);
816
817int in6_is_addr_deprecated(struct sockaddr_in6 *);
818int in6_src_ioctl(u_long, caddr_t);
819
820/*
821 * Extended API for IPv6 FIB support.
822 */
823void in6_rtredirect(struct sockaddr *, struct sockaddr *, struct sockaddr *,
824 int, struct sockaddr *, u_int);
825int in6_rtrequest(int, struct sockaddr *, struct sockaddr *,
826 struct sockaddr *, int, struct rtentry **, u_int);
827void in6_rtalloc(struct route_in6 *, u_int);
828void in6_rtalloc_ign(struct route_in6 *, u_long, u_int);
829struct rtentry *in6_rtalloc1(struct sockaddr *, int, u_long, u_int);
830#endif /* _KERNEL */
831
832#endif /* _NETINET6_IN6_VAR_H_ */
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