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--- old/usr/src/uts/common/inet/ip_stack.h
+++ new/usr/src/uts/common/inet/ip_stack.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 #ifndef _INET_IP_STACK_H
28 28 #define _INET_IP_STACK_H
29 29
30 30 #ifdef __cplusplus
31 31 extern "C" {
32 32 #endif
33 33
34 34 #include <sys/netstack.h>
35 35 #include <netinet/igmp_var.h>
36 36 #include <sys/modhash.h>
37 37
38 38 #ifdef _KERNEL
39 39 #include <sys/list.h>
40 40
41 41
42 42 /*
43 43 * IP statistics.
44 44 */
45 45 #define IP_STAT(ipst, x) ((ipst)->ips_ip_statistics.x.value.ui64++)
46 46 #define IP_STAT_UPDATE(ipst, x, n) \
47 47 ((ipst)->ips_ip_statistics.x.value.ui64 += (n))
48 48
49 49 typedef struct ip_stat {
50 50 kstat_named_t ip_udp_fannorm;
51 51 kstat_named_t ip_udp_fanmb;
52 52 kstat_named_t ip_recv_pullup;
53 53 kstat_named_t ip_db_ref;
54 54 kstat_named_t ip_notaligned;
55 55 kstat_named_t ip_multimblk;
56 56 kstat_named_t ip_opt;
57 57 kstat_named_t ipsec_proto_ahesp;
58 58 kstat_named_t ip_conn_flputbq;
59 59 kstat_named_t ip_conn_walk_drain;
60 60 kstat_named_t ip_out_sw_cksum;
61 61 kstat_named_t ip_out_sw_cksum_bytes;
62 62 kstat_named_t ip_in_sw_cksum;
63 63 kstat_named_t ip_ire_reclaim_calls;
64 64 kstat_named_t ip_ire_reclaim_deleted;
65 65 kstat_named_t ip_nce_reclaim_calls;
66 66 kstat_named_t ip_nce_reclaim_deleted;
67 67 kstat_named_t ip_dce_reclaim_calls;
68 68 kstat_named_t ip_dce_reclaim_deleted;
69 69 kstat_named_t ip_tcp_in_full_hw_cksum_err;
70 70 kstat_named_t ip_tcp_in_part_hw_cksum_err;
71 71 kstat_named_t ip_tcp_in_sw_cksum_err;
72 72 kstat_named_t ip_udp_in_full_hw_cksum_err;
73 73 kstat_named_t ip_udp_in_part_hw_cksum_err;
74 74 kstat_named_t ip_udp_in_sw_cksum_err;
75 75 kstat_named_t conn_in_recvdstaddr;
76 76 kstat_named_t conn_in_recvopts;
77 77 kstat_named_t conn_in_recvif;
78 78 kstat_named_t conn_in_recvslla;
79 79 kstat_named_t conn_in_recvucred;
80 80 kstat_named_t conn_in_recvttl;
81 81 kstat_named_t conn_in_recvhopopts;
82 82 kstat_named_t conn_in_recvhoplimit;
83 83 kstat_named_t conn_in_recvdstopts;
84 84 kstat_named_t conn_in_recvrthdrdstopts;
85 85 kstat_named_t conn_in_recvrthdr;
86 86 kstat_named_t conn_in_recvpktinfo;
87 87 kstat_named_t conn_in_recvtclass;
88 88 kstat_named_t conn_in_timestamp;
89 89 } ip_stat_t;
90 90
91 91
92 92 /*
93 93 * IP6 statistics.
94 94 */
95 95 #define IP6_STAT(ipst, x) ((ipst)->ips_ip6_statistics.x.value.ui64++)
96 96 #define IP6_STAT_UPDATE(ipst, x, n) \
97 97 ((ipst)->ips_ip6_statistics.x.value.ui64 += (n))
98 98
99 99 typedef struct ip6_stat {
100 100 kstat_named_t ip6_udp_fannorm;
101 101 kstat_named_t ip6_udp_fanmb;
102 102 kstat_named_t ip6_recv_pullup;
103 103 kstat_named_t ip6_db_ref;
104 104 kstat_named_t ip6_notaligned;
105 105 kstat_named_t ip6_multimblk;
106 106 kstat_named_t ipsec_proto_ahesp;
107 107 kstat_named_t ip6_out_sw_cksum;
108 108 kstat_named_t ip6_out_sw_cksum_bytes;
109 109 kstat_named_t ip6_in_sw_cksum;
110 110 kstat_named_t ip6_tcp_in_full_hw_cksum_err;
111 111 kstat_named_t ip6_tcp_in_part_hw_cksum_err;
112 112 kstat_named_t ip6_tcp_in_sw_cksum_err;
113 113 kstat_named_t ip6_udp_in_full_hw_cksum_err;
114 114 kstat_named_t ip6_udp_in_part_hw_cksum_err;
115 115 kstat_named_t ip6_udp_in_sw_cksum_err;
116 116 kstat_named_t ip6_frag_mdt_pkt_out;
117 117 kstat_named_t ip6_frag_mdt_discarded;
118 118 kstat_named_t ip6_frag_mdt_allocfail;
119 119 kstat_named_t ip6_frag_mdt_addpdescfail;
120 120 kstat_named_t ip6_frag_mdt_allocd;
121 121 } ip6_stat_t;
122 122
123 123 typedef struct ire_stats {
124 124 uint64_t ire_stats_alloced; /* # of ires alloced */
125 125 uint64_t ire_stats_freed; /* # of ires freed */
126 126 uint64_t ire_stats_inserted; /* # of ires inserted in the bucket */
127 127 uint64_t ire_stats_deleted; /* # of ires deleted from the bucket */
128 128 } ire_stats_t;
129 129
130 130 #define TX_FANOUT_SIZE 128
131 131 #define IDLHASHINDEX(X) \
132 132 ((((uintptr_t)(X) >> 2) + ((uintptr_t)(X) >> 9)) & (TX_FANOUT_SIZE - 1))
133 133
134 134 /* Data structure to represent addresses */
135 135 typedef struct srcid_map {
136 136 struct srcid_map *sm_next;
137 137 in6_addr_t sm_addr; /* Local address */
138 138 uint_t sm_srcid; /* source id */
139 139 uint_t sm_refcnt; /* > 1 ipif with same addr? */
140 140 zoneid_t sm_zoneid; /* zone id */
141 141 } srcid_map_t;
142 142
143 143 /*
144 144 * IP stack instances
145 145 */
146 146 struct ip_stack {
147 147 netstack_t *ips_netstack; /* Common netstack */
148 148
149 149 uint_t ips_src_generation; /* Both IPv4 and IPv6 */
150 150
151 151 struct mod_prop_info_s *ips_propinfo_tbl; /* ip tunables table */
152 152
153 153 mib2_ipIfStatsEntry_t ips_ip_mib; /* SNMP fixed size info */
154 154 mib2_icmp_t ips_icmp_mib;
155 155 /*
156 156 * IPv6 mibs when the interface (ill) is not known.
157 157 * When the ill is known the per-interface mib in the ill is used.
158 158 */
159 159 mib2_ipIfStatsEntry_t ips_ip6_mib;
160 160 mib2_ipv6IfIcmpEntry_t ips_icmp6_mib;
161 161
162 162 struct igmpstat ips_igmpstat;
163 163
164 164 kstat_t *ips_ip_mibkp; /* kstat exporting ip_mib data */
165 165 kstat_t *ips_icmp_mibkp; /* kstat exporting icmp_mib data */
166 166 kstat_t *ips_ip_kstat;
167 167 ip_stat_t ips_ip_statistics;
168 168 kstat_t *ips_ip6_kstat;
169 169 ip6_stat_t ips_ip6_statistics;
170 170
171 171 /* ip.c */
172 172 kmutex_t ips_igmp_timer_lock;
173 173 kmutex_t ips_mld_timer_lock;
174 174 kmutex_t ips_ip_mi_lock;
175 175 kmutex_t ips_ip_addr_avail_lock;
176 176 krwlock_t ips_ill_g_lock;
177 177
178 178 krwlock_t ips_ill_g_usesrc_lock;
179 179
180 180 /* Taskq dispatcher for capability operations */
181 181 kmutex_t ips_capab_taskq_lock;
182 182 kcondvar_t ips_capab_taskq_cv;
183 183 mblk_t *ips_capab_taskq_head;
184 184 mblk_t *ips_capab_taskq_tail;
185 185 kthread_t *ips_capab_taskq_thread;
186 186 boolean_t ips_capab_taskq_quit;
187 187
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188 188 /* ipclassifier.c - keep in ip_stack_t */
189 189 /* ipclassifier hash tables */
190 190 struct connf_s *ips_rts_clients;
191 191 struct connf_s *ips_ipcl_conn_fanout;
192 192 struct connf_s *ips_ipcl_bind_fanout;
193 193 struct connf_s *ips_ipcl_proto_fanout_v4;
194 194 struct connf_s *ips_ipcl_proto_fanout_v6;
195 195 struct connf_s *ips_ipcl_udp_fanout;
196 196 struct connf_s *ips_ipcl_raw_fanout; /* RAW SCTP sockets */
197 197 struct connf_s *ips_ipcl_iptun_fanout;
198 + struct connf_s *ips_ipcl_dccp_fanout;
198 199 uint_t ips_ipcl_conn_fanout_size;
199 200 uint_t ips_ipcl_bind_fanout_size;
200 201 uint_t ips_ipcl_udp_fanout_size;
201 202 uint_t ips_ipcl_raw_fanout_size;
202 203 uint_t ips_ipcl_iptun_fanout_size;
204 + uint_t ips_ipcl_dccp_fanout_size;
203 205 struct connf_s *ips_ipcl_globalhash_fanout;
204 206 int ips_conn_g_index;
205 207
206 208 /* ip.c */
207 209 /* Following protected by igmp_timer_lock */
208 210 int ips_igmp_time_to_next; /* Time since last timeout */
209 211 int ips_igmp_timer_scheduled_last;
210 212 int ips_igmp_deferred_next;
211 213 timeout_id_t ips_igmp_timeout_id;
212 214 boolean_t ips_igmp_timer_setter_active;
213 215
214 216 /* Following protected by mld_timer_lock */
215 217 int ips_mld_time_to_next; /* Time since last timeout */
216 218 int ips_mld_timer_scheduled_last;
217 219 int ips_mld_deferred_next;
218 220 timeout_id_t ips_mld_timeout_id;
219 221 boolean_t ips_mld_timer_setter_active;
220 222
221 223 /* Protected by igmp_slowtimeout_lock */
222 224 timeout_id_t ips_igmp_slowtimeout_id;
223 225 kmutex_t ips_igmp_slowtimeout_lock;
224 226
225 227 /* Protected by mld_slowtimeout_lock */
226 228 timeout_id_t ips_mld_slowtimeout_id;
227 229 kmutex_t ips_mld_slowtimeout_lock;
228 230
229 231 /* IPv4 forwarding table */
230 232 struct radix_node_head *ips_ip_ftable;
231 233
232 234 #define IPV6_ABITS 128
233 235 #define IP6_MASK_TABLE_SIZE (IPV6_ABITS + 1) /* 129 ptrs */
234 236 struct irb *ips_ip_forwarding_table_v6[IP6_MASK_TABLE_SIZE];
235 237
236 238 /*
237 239 * ire_ft_init_lock is used while initializing ip_forwarding_table
238 240 * dynamically in ire_add.
239 241 */
240 242 kmutex_t ips_ire_ft_init_lock;
241 243
242 244 /*
243 245 * This is the IPv6 counterpart of RADIX_NODE_HEAD_LOCK. It is used
244 246 * to prevent adds and deletes while we are doing a ftable_lookup
245 247 * and extracting the ire_generation.
246 248 */
247 249 krwlock_t ips_ip6_ire_head_lock;
248 250
249 251 uint32_t ips_ip6_ftable_hash_size;
250 252
251 253 ire_stats_t ips_ire_stats_v4; /* IPv4 ire statistics */
252 254 ire_stats_t ips_ire_stats_v6; /* IPv6 ire statistics */
253 255
254 256 /* Count how many condemned objects for kmem_cache callbacks */
255 257 uint32_t ips_num_ire_condemned;
256 258 uint32_t ips_num_nce_condemned;
257 259 uint32_t ips_num_dce_condemned;
258 260
259 261 struct ire_s *ips_ire_reject_v4; /* For unreachable dests */
260 262 struct ire_s *ips_ire_reject_v6; /* For unreachable dests */
261 263 struct ire_s *ips_ire_blackhole_v4; /* For temporary failures */
262 264 struct ire_s *ips_ire_blackhole_v6; /* For temporary failures */
263 265
264 266 /* ips_ire_dep_lock protects ire_dep_* relationship between IREs */
265 267 krwlock_t ips_ire_dep_lock;
266 268
267 269 /* Destination Cache Entries */
268 270 struct dce_s *ips_dce_default;
269 271 uint_t ips_dce_hashsize;
270 272 struct dcb_s *ips_dce_hash_v4;
271 273 struct dcb_s *ips_dce_hash_v6;
272 274
273 275 /* pending binds */
274 276 mblk_t *ips_ip6_asp_pending_ops;
275 277 mblk_t *ips_ip6_asp_pending_ops_tail;
276 278
277 279 /* Synchronize updates with table usage */
278 280 mblk_t *ips_ip6_asp_pending_update; /* pending table updates */
279 281
280 282 boolean_t ips_ip6_asp_uip; /* table update in progress */
281 283 kmutex_t ips_ip6_asp_lock; /* protect all the above */
282 284 uint32_t ips_ip6_asp_refcnt; /* outstanding references */
283 285
284 286 struct ip6_asp *ips_ip6_asp_table;
285 287 /* The number of policy entries in the table */
286 288 uint_t ips_ip6_asp_table_count;
287 289
288 290 struct conn_s *ips_ip_g_mrouter;
289 291
290 292 /* Time since last icmp_pkt_err */
291 293 clock_t ips_icmp_pkt_err_last;
292 294 /* Number of packets sent in burst */
293 295 uint_t ips_icmp_pkt_err_sent;
294 296
295 297 /* Protected by ip_mi_lock */
296 298 void *ips_ip_g_head; /* IP Instance Data List Head */
297 299 void *ips_arp_g_head; /* ARP Instance Data List Head */
298 300
299 301 /* Multirouting stuff */
300 302 /* Interval (in ms) between consecutive 'bad MTU' warnings */
301 303 hrtime_t ips_ip_multirt_log_interval;
302 304 /* Time since last warning issued. */
303 305 hrtime_t ips_multirt_bad_mtu_last_time;
304 306
305 307 /*
306 308 * CGTP hooks. Enabling and disabling of hooks is controlled by an
307 309 * IP tunable 'ips_ip_cgtp_filter'.
308 310 */
309 311 struct cgtp_filter_ops *ips_ip_cgtp_filter_ops;
310 312
311 313 struct ipsq_s *ips_ipsq_g_head;
312 314 uint_t ips_ill_index; /* Used to assign interface indicies */
313 315 /* When set search for unused index */
314 316 boolean_t ips_ill_index_wrap;
315 317
316 318 uint_t ips_loopback_packets;
317 319
318 320 /* NDP/NCE structures for IPv4 and IPv6 */
319 321 struct ndp_g_s *ips_ndp4;
320 322 struct ndp_g_s *ips_ndp6;
321 323
322 324 /* ip_mroute stuff */
323 325 kmutex_t ips_ip_g_mrouter_mutex;
324 326
325 327 struct mrtstat *ips_mrtstat; /* Stats for netstat */
326 328 int ips_saved_ip_forwarding;
327 329
328 330 /* numvifs is only a hint about the max interface being used. */
329 331 ushort_t ips_numvifs;
330 332 kmutex_t ips_numvifs_mutex;
331 333
332 334 struct vif *ips_vifs;
333 335 struct mfcb *ips_mfcs; /* kernel routing table */
334 336 struct tbf *ips_tbfs;
335 337 /*
336 338 * One-back cache used to locate a tunnel's vif,
337 339 * given a datagram's src ip address.
338 340 */
339 341 ipaddr_t ips_last_encap_src;
340 342 struct vif *ips_last_encap_vif;
341 343 kmutex_t ips_last_encap_lock; /* Protects the above */
342 344
343 345 /*
344 346 * reg_vif_num is protected by numvifs_mutex
345 347 */
346 348 /* Whether or not special PIM assert processing is enabled. */
347 349 ushort_t ips_reg_vif_num; /* Index to Register vif */
348 350 int ips_pim_assert;
349 351
350 352 union ill_g_head_u *ips_ill_g_heads; /* ILL List Head */
351 353
352 354 kstat_t *ips_loopback_ksp;
353 355
354 356 /* Array of conn drain lists */
355 357 struct idl_tx_list_s *ips_idl_tx_list;
356 358 uint_t ips_conn_drain_list_cnt; /* Count of conn_drain_list */
357 359
358 360 /*
359 361 * ID used to assign next free one.
360 362 * Increases by one. Once it wraps we search for an unused ID.
361 363 */
362 364 uint_t ips_ip_src_id;
363 365 boolean_t ips_srcid_wrapped;
364 366
365 367 struct srcid_map *ips_srcid_head;
366 368 krwlock_t ips_srcid_lock;
367 369
368 370 uint64_t ips_ipif_g_seqid; /* Used only for sctp_addr.c */
369 371 union phyint_list_u *ips_phyint_g_list; /* start of phyint list */
370 372
371 373 /* ip_netinfo.c */
372 374 hook_family_t ips_ipv4root;
373 375 hook_family_t ips_ipv6root;
374 376 hook_family_t ips_arproot;
375 377
376 378 net_handle_t ips_ipv4_net_data;
377 379 net_handle_t ips_ipv6_net_data;
378 380 net_handle_t ips_arp_net_data;
379 381
380 382 /*
381 383 * Hooks for firewalling
382 384 */
383 385 hook_event_t ips_ip4_physical_in_event;
384 386 hook_event_t ips_ip4_physical_out_event;
385 387 hook_event_t ips_ip4_forwarding_event;
386 388 hook_event_t ips_ip4_loopback_in_event;
387 389 hook_event_t ips_ip4_loopback_out_event;
388 390
389 391 hook_event_t ips_ip6_physical_in_event;
390 392 hook_event_t ips_ip6_physical_out_event;
391 393 hook_event_t ips_ip6_forwarding_event;
392 394 hook_event_t ips_ip6_loopback_in_event;
393 395 hook_event_t ips_ip6_loopback_out_event;
394 396
395 397 hook_event_t ips_arp_physical_in_event;
396 398 hook_event_t ips_arp_physical_out_event;
397 399 hook_event_t ips_arp_nic_events;
398 400
399 401 hook_event_token_t ips_ipv4firewall_physical_in;
400 402 hook_event_token_t ips_ipv4firewall_physical_out;
401 403 hook_event_token_t ips_ipv4firewall_forwarding;
402 404 hook_event_token_t ips_ipv4firewall_loopback_in;
403 405 hook_event_token_t ips_ipv4firewall_loopback_out;
404 406
405 407 hook_event_token_t ips_ipv6firewall_physical_in;
406 408 hook_event_token_t ips_ipv6firewall_physical_out;
407 409 hook_event_token_t ips_ipv6firewall_forwarding;
408 410 hook_event_token_t ips_ipv6firewall_loopback_in;
409 411 hook_event_token_t ips_ipv6firewall_loopback_out;
410 412
411 413 hook_event_t ips_ip4_nic_events;
412 414 hook_event_t ips_ip6_nic_events;
413 415 hook_event_token_t ips_ipv4nicevents;
414 416 hook_event_token_t ips_ipv6nicevents;
415 417
416 418 hook_event_token_t ips_arp_physical_in;
417 419 hook_event_token_t ips_arp_physical_out;
418 420 hook_event_token_t ips_arpnicevents;
419 421
420 422 net_handle_t ips_ip4_observe_pr;
421 423 net_handle_t ips_ip6_observe_pr;
422 424 hook_event_t ips_ip4_observe;
423 425 hook_event_t ips_ip6_observe;
424 426 hook_event_token_t ips_ipv4observing;
425 427 hook_event_token_t ips_ipv6observing;
426 428
427 429 struct __ldi_ident *ips_ldi_ident;
428 430
429 431 /* ipmp.c */
430 432 krwlock_t ips_ipmp_lock;
431 433 mod_hash_t *ips_ipmp_grp_hash;
432 434
433 435 };
434 436 typedef struct ip_stack ip_stack_t;
435 437
436 438 /* Finding an ip_stack_t */
437 439 #define CONNQ_TO_IPST(_q) (Q_TO_CONN(_q)->conn_netstack->netstack_ip)
438 440 #define ILLQ_TO_IPST(_q) (((ill_t *)(_q)->q_ptr)->ill_ipst)
439 441 #define PHYINT_TO_IPST(phyi) ((phyi)->phyint_ipsq->ipsq_ipst)
440 442
441 443 #else /* _KERNEL */
442 444 typedef int ip_stack_t;
443 445 #endif /* _KERNEL */
444 446
445 447 #ifdef __cplusplus
446 448 }
447 449 #endif
448 450
449 451 #endif /* _INET_IP_STACK_H */
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