1 | /* $NetBSD: ip6_var.h,v 1.70 2016/11/10 04:13:53 ozaki-r Exp $ */ |
2 | /* $KAME: ip6_var.h,v 1.33 2000/06/11 14:59:20 jinmei Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * 3. Neither the name of the project nor the names of its contributors |
17 | * may be used to endorse or promote products derived from this software |
18 | * without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
30 | * SUCH DAMAGE. |
31 | */ |
32 | |
33 | /* |
34 | * Copyright (c) 1982, 1986, 1993 |
35 | * The Regents of the University of California. All rights reserved. |
36 | * |
37 | * Redistribution and use in source and binary forms, with or without |
38 | * modification, are permitted provided that the following conditions |
39 | * are met: |
40 | * 1. Redistributions of source code must retain the above copyright |
41 | * notice, this list of conditions and the following disclaimer. |
42 | * 2. Redistributions in binary form must reproduce the above copyright |
43 | * notice, this list of conditions and the following disclaimer in the |
44 | * documentation and/or other materials provided with the distribution. |
45 | * 3. Neither the name of the University nor the names of its contributors |
46 | * may be used to endorse or promote products derived from this software |
47 | * without specific prior written permission. |
48 | * |
49 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
50 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
51 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
52 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
53 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
54 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
55 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
56 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
57 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
58 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
59 | * SUCH DAMAGE. |
60 | * |
61 | * @(#)ip_var.h 8.1 (Berkeley) 6/10/93 |
62 | */ |
63 | |
64 | #ifndef _NETINET6_IP6_VAR_H_ |
65 | #define _NETINET6_IP6_VAR_H_ |
66 | |
67 | #include <sys/socketvar.h> |
68 | #include <net/route.h> |
69 | |
70 | /* |
71 | * IP6 reassembly queue structure. Each fragment |
72 | * being reassembled is attached to one of these structures. |
73 | */ |
74 | struct ip6q { |
75 | u_int32_t ip6q_head; |
76 | u_int16_t ip6q_len; |
77 | u_int8_t ip6q_nxt; /* ip6f_nxt in first fragment */ |
78 | u_int8_t ip6q_hlim; |
79 | struct ip6asfrag *ip6q_down; |
80 | struct ip6asfrag *ip6q_up; |
81 | u_int32_t ip6q_ident; |
82 | u_int8_t ip6q_arrive; |
83 | u_int8_t ip6q_ttl; |
84 | struct in6_addr ip6q_src, ip6q_dst; |
85 | struct ip6q *ip6q_next; |
86 | struct ip6q *ip6q_prev; |
87 | int ip6q_unfrglen; /* len of unfragmentable part */ |
88 | #ifdef notyet |
89 | u_char *ip6q_nxtp; |
90 | #endif |
91 | int ip6q_nfrag; /* # of fragments */ |
92 | }; |
93 | |
94 | struct ip6asfrag { |
95 | u_int32_t ip6af_head; |
96 | u_int16_t ip6af_len; |
97 | u_int8_t ip6af_nxt; |
98 | u_int8_t ip6af_hlim; |
99 | /* must not override the above members during reassembling */ |
100 | struct ip6asfrag *ip6af_down; |
101 | struct ip6asfrag *ip6af_up; |
102 | struct mbuf *ip6af_m; |
103 | int ip6af_offset; /* offset in ip6af_m to next header */ |
104 | int ip6af_frglen; /* fragmentable part length */ |
105 | int ip6af_off; /* fragment offset */ |
106 | u_int16_t ip6af_mff; /* more fragment bit in frag off */ |
107 | }; |
108 | |
109 | #define IP6_REASS_MBUF(ip6af) ((ip6af)->ip6af_m) |
110 | |
111 | struct ip6_moptions { |
112 | if_index_t im6o_multicast_if_index; /* I/F for outgoing multicasts */ |
113 | u_char im6o_multicast_hlim; /* hoplimit for outgoing multicasts */ |
114 | u_char im6o_multicast_loop; /* 1 >= hear sends if a member */ |
115 | LIST_HEAD(, in6_multi_mship) im6o_memberships; |
116 | }; |
117 | |
118 | /* |
119 | * Control options for outgoing packets |
120 | */ |
121 | |
122 | /* Routing header related info */ |
123 | struct ip6po_rhinfo { |
124 | struct ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */ |
125 | struct route ip6po_rhi_route; /* Route to the 1st hop */ |
126 | }; |
127 | #define ip6po_rthdr ip6po_rhinfo.ip6po_rhi_rthdr |
128 | #define ip6po_route ip6po_rhinfo.ip6po_rhi_route |
129 | |
130 | /* Nexthop related info */ |
131 | struct ip6po_nhinfo { |
132 | struct sockaddr *ip6po_nhi_nexthop; |
133 | struct route ip6po_nhi_route; /* Route to the nexthop */ |
134 | }; |
135 | #define ip6po_nexthop ip6po_nhinfo.ip6po_nhi_nexthop |
136 | #define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route |
137 | |
138 | struct ip6_pktopts { |
139 | int ip6po_hlim; /* Hoplimit for outgoing packets */ |
140 | struct in6_pktinfo *ip6po_pktinfo; /* Outgoing IF/address information */ |
141 | struct ip6po_nhinfo ip6po_nhinfo; /* Next-hop address information */ |
142 | struct ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */ |
143 | struct ip6_dest *ip6po_dest1; /* Destination options header(1st part) */ |
144 | struct ip6po_rhinfo ip6po_rhinfo; /* Routing header related info. */ |
145 | struct ip6_dest *ip6po_dest2; /* Destination options header(2nd part) */ |
146 | int ip6po_tclass; /* traffic class */ |
147 | int ip6po_minmtu; /* fragment vs PMTU discovery policy */ |
148 | #define IP6PO_MINMTU_MCASTONLY -1 /* default; send at min MTU for multicast*/ |
149 | #define IP6PO_MINMTU_DISABLE 0 /* always perform pmtu disc */ |
150 | #define IP6PO_MINMTU_ALL 1 /* always send at min MTU */ |
151 | int ip6po_prefer_tempaddr; /* whether temporary addresses are |
152 | * preferred as source address */ |
153 | #define IP6PO_TEMPADDR_SYSTEM -1 /* follow the system default */ |
154 | #define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */ |
155 | #define IP6PO_TEMPADDR_PREFER 1 /* prefer temporary address */ |
156 | int ip6po_flags; |
157 | #if 0 /* parameters in this block is obsolete. do not reuse the values. */ |
158 | #define IP6PO_REACHCONF 0x01 /* upper-layer reachability confirmation. */ |
159 | #define IP6PO_MINMTU 0x02 /* use minimum MTU (IPV6_USE_MIN_MTU) */ |
160 | #endif |
161 | #define IP6PO_DONTFRAG 0x04 /* disable fragmentation (IPV6_DONTFRAG) */ |
162 | }; |
163 | |
164 | /* |
165 | * IPv6 statistics. |
166 | * Each counter is an unsigned 64-bit value. |
167 | */ |
168 | #define IP6_STAT_TOTAL 0 /* total packets received */ |
169 | #define IP6_STAT_TOOSHORT 1 /* packet too short */ |
170 | #define IP6_STAT_TOOSMALL 2 /* not enough data */ |
171 | #define IP6_STAT_FRAGMENTS 3 /* fragments received */ |
172 | #define IP6_STAT_FRAGDROPPED 4 /* frags dropped (dups, out of space) */ |
173 | #define IP6_STAT_FRAGTIMEOUT 5 /* fragments timed out */ |
174 | #define IP6_STAT_FRAGOVERFLOW 6 /* fragments that exceed limit */ |
175 | #define IP6_STAT_FORWARD 7 /* packets forwarded */ |
176 | #define IP6_STAT_CANTFORWARD 8 /* packets rcvd for uncreachable dst */ |
177 | #define IP6_STAT_REDIRECTSENT 9 /* packets forwarded on same net */ |
178 | #define IP6_STAT_DELIVERED 10 /* datagrams delivered to upper level */ |
179 | #define IP6_STAT_LOCALOUT 11 /* total IP packets generated here */ |
180 | #define IP6_STAT_ODROPPED 12 /* lost packets due to nobufs, etc. */ |
181 | #define IP6_STAT_REASSEMBLED 13 /* total packets reassembled ok */ |
182 | #define IP6_STAT_FRAGMENTED 14 /* datagrams successfully fragmented */ |
183 | #define IP6_STAT_OFRAGMENTS 15 /* output fragments created */ |
184 | #define IP6_STAT_CANTFRAG 16 /* don't fragment flag was set, etc. */ |
185 | #define IP6_STAT_BADOPTIONS 17 /* error in option processing */ |
186 | #define IP6_STAT_NOROUTE 18 /* packets discarded due to no route */ |
187 | #define IP6_STAT_BADVERS 19 /* ip6 version != 6 */ |
188 | #define IP6_STAT_RAWOUT 20 /* total raw ip packets generated */ |
189 | #define IP6_STAT_BADSCOPE 21 /* scope error */ |
190 | #define IP6_STAT_NOTMEMBER 22 /* don't join this multicast group */ |
191 | #define IP6_STAT_NXTHIST 23 /* next header histogram */ |
192 | /* space for 256 counters */ |
193 | #define IP6_STAT_M1 279 /* one mbuf */ |
194 | #define IP6_STAT_M2M 280 /* two or more mbuf */ |
195 | /* space for 32 counters */ |
196 | #define IP6_STAT_MEXT1 312 /* one ext mbuf */ |
197 | #define IP6_STAT_MEXT2M 313 /* two or more ext mbuf */ |
198 | #define IP6_STAT_EXTHDRTOOLONG 314 /* ext hdr are not contiguous */ |
199 | #define IP6_STAT_NOGIF 315 /* no match gif found */ |
200 | #define IP6_STAT_TOOMANYHDR 316 /* discarded due to too many headers */ |
201 | /* |
202 | * statistics for improvement of the source address selection |
203 | * algorithm: |
204 | * XXX: hardcoded 16 = # of ip6 multicast scope types + 1 |
205 | */ |
206 | #define IP6_STAT_SOURCES_NONE 317 /* number of times that address |
207 | selection fails */ |
208 | #define IP6_STAT_SOURCES_SAMEIF 318 /* number of times that an address |
209 | on the outgoing I/F is chosen */ |
210 | /* space for 16 counters */ |
211 | #define IP6_STAT_SOURCES_OTHERIF 334 /* number of times that an address on |
212 | a non-outgoing I/F is chosen */ |
213 | /* space for 16 counters */ |
214 | #define IP6_STAT_SOURCES_SAMESCOPE 350 /* number of times that an address that |
215 | has the same scope from the dest. |
216 | is chosen */ |
217 | /* space for 16 counters */ |
218 | #define IP6_STAT_SOURCES_OTHERSCOPE 366 /* number of times that an address that |
219 | has a different scope from the dest. |
220 | is chosen */ |
221 | /* space for 16 counters */ |
222 | #define IP6_STAT_SOURCES_DEPRECATED 382 /* number of times that a deprecated |
223 | address is chosen */ |
224 | /* space for 16 counters */ |
225 | #define IP6_STAT_FORWARD_CACHEHIT 398 |
226 | #define IP6_STAT_FORWARD_CACHEMISS 399 |
227 | #define IP6_STAT_FASTFORWARD 400 /* packets fast forwarded */ |
228 | #define IP6_STAT_FASTFORWARDFLOWS 401 /* number of fast forward flows */ |
229 | |
230 | #define IP6_NSTATS 402 |
231 | |
232 | #define IP6FLOW_HASHBITS 6 /* should not be a multiple of 8 */ |
233 | |
234 | /* |
235 | * Structure for an IPv6 flow (ip6_fastforward). |
236 | */ |
237 | struct ip6flow { |
238 | TAILQ_ENTRY(ip6flow) ip6f_list; /* next in active list */ |
239 | TAILQ_ENTRY(ip6flow) ip6f_hash; /* next ip6flow in bucket */ |
240 | size_t ip6f_hashidx; /* own hash index of ipflowtable[] */ |
241 | struct in6_addr ip6f_dst; /* destination address */ |
242 | struct in6_addr ip6f_src; /* source address */ |
243 | struct route ip6f_ro; /* associated route entry */ |
244 | u_int32_t ip6f_flow; /* flow (tos) */ |
245 | u_quad_t ip6f_uses; /* number of uses in this period */ |
246 | u_quad_t ip6f_last_uses; /* number of uses in last period */ |
247 | u_quad_t ip6f_dropped; /* ENOBUFS returned by if_output */ |
248 | u_quad_t ip6f_forwarded; /* packets forwarded */ |
249 | u_int ip6f_timer; /* lifetime timer */ |
250 | }; |
251 | |
252 | #ifdef _KERNEL |
253 | /* |
254 | * Auxiliary attributes of incoming IPv6 packets, which is initialized when we |
255 | * come into ip6_input(). |
256 | * XXX do not make it a kitchen sink! |
257 | */ |
258 | struct ip6aux { |
259 | /* ip6.ip6_dst */ |
260 | struct in6_addr ip6a_src; |
261 | uint32_t ip6a_scope_id; |
262 | int ip6a_flags; |
263 | }; |
264 | |
265 | /* flags passed to ip6_output as last parameter */ |
266 | #define IPV6_UNSPECSRC 0x01 /* allow :: as the source address */ |
267 | #define IPV6_FORWARDING 0x02 /* most of IPv6 header exists */ |
268 | #define IPV6_MINMTU 0x04 /* use minimum MTU (IPV6_USE_MIN_MTU) */ |
269 | |
270 | extern u_int32_t ip6_id; /* fragment identifier */ |
271 | extern int ip6_defhlim; /* default hop limit */ |
272 | extern int ip6_defmcasthlim; /* default multicast hop limit */ |
273 | extern int ip6_forwarding; /* act as router? */ |
274 | extern int ip6_sendredirect; /* send ICMPv6 redirect? */ |
275 | extern int ip6_forward_srcrt; /* forward src-routed? */ |
276 | extern int ip6_use_deprecated; /* allow deprecated addr as source */ |
277 | extern int ip6_rr_prune; /* router renumbering prefix |
278 | * walk list every 5 sec. */ |
279 | extern int ip6_mcast_pmtu; /* enable pMTU discovery for multicast? */ |
280 | extern int ip6_v6only; |
281 | extern int ip6_neighborgcthresh; /* Threshold # of NDP entries for GC */ |
282 | extern int ip6_maxifprefixes; /* Max acceptable prefixes via RA per IF */ |
283 | extern int ip6_maxifdefrouters; /* Max acceptable def routers via RA */ |
284 | extern int ip6_maxdynroutes; /* Max # of routes created via redirect */ |
285 | |
286 | |
287 | extern struct socket *ip6_mrouter; /* multicast routing daemon */ |
288 | extern int ip6_sendredirects; /* send IP redirects when forwarding? */ |
289 | extern int ip6_maxfragpackets; /* Maximum packets in reassembly queue */ |
290 | extern int ip6_maxfrags; /* Maximum fragments in reassembly queue */ |
291 | extern int ip6_sourcecheck; /* Verify source interface */ |
292 | extern int ip6_sourcecheck_interval; /* Interval between log messages */ |
293 | extern int ip6_accept_rtadv; /* Acts as a host not a router */ |
294 | extern int ip6_rtadv_maxroutes; /* maximum number of routes via rtadv */ |
295 | extern int ip6_keepfaith; /* Firewall Aided Internet Translator */ |
296 | extern int ip6_log_interval; |
297 | extern time_t ip6_log_time; |
298 | extern int ip6_hdrnestlimit; /* upper limit of # of extension headers */ |
299 | extern int ip6_dad_count; /* DupAddrDetectionTransmits */ |
300 | |
301 | extern int ip6_auto_flowlabel; |
302 | extern int ip6_auto_linklocal; |
303 | |
304 | extern int ip6_anonportmin; /* minimum ephemeral port */ |
305 | extern int ip6_anonportmax; /* maximum ephemeral port */ |
306 | extern int ip6_lowportmin; /* minimum reserved port */ |
307 | extern int ip6_lowportmax; /* maximum reserved port */ |
308 | |
309 | extern int ip6_use_tempaddr; /* whether to use temporary addresses. */ |
310 | extern int ip6_prefer_tempaddr; /* whether to prefer temporary addresses |
311 | in the source address selection */ |
312 | extern int ip6_use_defzone; /* whether to use the default scope zone |
313 | when unspecified */ |
314 | |
315 | #ifdef GATEWAY |
316 | extern int ip6_maxflows; /* maximum amount of flows for ip6ff */ |
317 | extern int ip6_hashsize; /* size of hash table */ |
318 | #endif |
319 | |
320 | struct in6pcb; |
321 | extern const struct pr_usrreqs rip6_usrreqs; |
322 | |
323 | int icmp6_ctloutput(int, struct socket *, struct sockopt *); |
324 | |
325 | struct mbuf; |
326 | void ip6_init(void); |
327 | void ip6_input(struct mbuf *, struct ifnet *); |
328 | const struct ip6aux *ip6_getdstifaddr(struct mbuf *); |
329 | void ip6_freepcbopts(struct ip6_pktopts *); |
330 | void ip6_freemoptions(struct ip6_moptions *); |
331 | int ip6_unknown_opt(u_int8_t *, struct mbuf *, int); |
332 | u_int8_t *ip6_get_prevhdr(struct mbuf *, int); |
333 | int ip6_nexthdr(struct mbuf *, int, int, int *); |
334 | int ip6_lasthdr(struct mbuf *, int, int, int *); |
335 | |
336 | struct m_tag *ip6_addaux(struct mbuf *); |
337 | struct m_tag *ip6_findaux(struct mbuf *); |
338 | void ip6_delaux(struct mbuf *); |
339 | struct ip6_hdr; |
340 | int ip6_mforward(struct ip6_hdr *, struct ifnet *, struct mbuf *); |
341 | int ip6_hopopts_input(u_int32_t *, u_int32_t *, struct mbuf **, int *); |
342 | void ip6_savecontrol(struct in6pcb *, struct mbuf **, struct ip6_hdr *, |
343 | struct mbuf *); |
344 | void ip6_notify_pmtu(struct in6pcb *, const struct sockaddr_in6 *, |
345 | u_int32_t *); |
346 | int ip6_sysctl(int *, u_int, void *, size_t *, void *, size_t); |
347 | |
348 | void ip6_forward(struct mbuf *, int); |
349 | |
350 | void ip6_mloopback(struct ifnet *, struct mbuf *, |
351 | const struct sockaddr_in6 *); |
352 | int ip6_output(struct mbuf *, struct ip6_pktopts *, |
353 | struct route *, int, |
354 | struct ip6_moptions *, struct socket *, |
355 | struct ifnet **); |
356 | int ip6_ctloutput(int, struct socket *, struct sockopt *); |
357 | int ip6_raw_ctloutput(int, struct socket *, struct sockopt *); |
358 | void ip6_initpktopts(struct ip6_pktopts *); |
359 | int ip6_setpktopts(struct mbuf *, struct ip6_pktopts *, |
360 | struct ip6_pktopts *, kauth_cred_t, int); |
361 | void ip6_clearpktopts(struct ip6_pktopts *, int); |
362 | struct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int); |
363 | int ip6_optlen(struct in6pcb *); |
364 | |
365 | void ip6_statinc(u_int); |
366 | |
367 | int route6_input(struct mbuf **, int *, int); |
368 | |
369 | void frag6_init(void); |
370 | int frag6_input(struct mbuf **, int *, int); |
371 | int ip6_reass_packet(struct mbuf **, int); |
372 | void frag6_slowtimo(void); |
373 | void frag6_fasttimo(void); |
374 | void frag6_drain(void); |
375 | void frag6_drainstub(void); |
376 | |
377 | int ip6flow_init(int); |
378 | void ip6flow_poolinit(void); |
379 | struct ip6flow *ip6flow_reap(int); |
380 | void ip6flow_create(const struct route *, struct mbuf *); |
381 | void ip6flow_slowtimo(void); |
382 | int ip6flow_invalidate_all(int); |
383 | |
384 | void rip6_init(void); |
385 | int rip6_input(struct mbuf **, int *, int); |
386 | void *rip6_ctlinput(int, const struct sockaddr *, void *); |
387 | int rip6_ctloutput(int, struct socket *, struct sockopt *); |
388 | int rip6_output(struct mbuf *, struct socket *, struct sockaddr_in6 *, |
389 | struct mbuf *); |
390 | int rip6_attach(struct socket *, int); |
391 | int rip6_usrreq(struct socket *, |
392 | int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *); |
393 | |
394 | int dest6_input(struct mbuf **, int *, int); |
395 | int none_input(struct mbuf **, int *, int); |
396 | |
397 | struct route; |
398 | |
399 | int in6_selectsrc(struct sockaddr_in6 *, struct ip6_pktopts *, |
400 | struct ip6_moptions *, struct route *, struct in6_addr *, |
401 | struct ifnet **, struct psref *, struct in6_addr *); |
402 | int in6_selectroute(struct sockaddr_in6 *, struct ip6_pktopts *, |
403 | struct route **, struct rtentry **, bool); |
404 | int ip6_get_membership(const struct sockopt *, struct ifnet **, void *, |
405 | size_t); |
406 | |
407 | u_int32_t ip6_randomid(void); |
408 | u_int32_t ip6_randomflowlabel(void); |
409 | #endif /* _KERNEL */ |
410 | |
411 | #endif /* !_NETINET6_IP6_VAR_H_ */ |
412 | |