FD.io VPP  v18.01.2-1-g9b554f3
Vector Packet Processing
map.h
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1 /*
2  * Copyright (c) 2015 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #include <stdbool.h>
16 #include <vppinfra/error.h>
17 #include <vnet/vnet.h>
18 #include <vnet/ip/ip.h>
19 #include <vlib/vlib.h>
20 #include <vnet/fib/fib_types.h>
21 #include <vnet/fib/ip4_fib.h>
22 #include <vnet/adj/adj.h>
23 #include <vnet/map/map_dpo.h>
24 #include <vnet/dpo/load_balance.h>
25 
26 #define MAP_SKIP_IP6_LOOKUP 1
27 
28 int map_create_domain (ip4_address_t * ip4_prefix, u8 ip4_prefix_len,
29  ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
30  ip6_address_t * ip6_src, u8 ip6_src_len,
31  u8 ea_bits_len, u8 psid_offset, u8 psid_length,
32  u32 * map_domain_index, u16 mtu, u8 flags);
33 int map_delete_domain (u32 map_domain_index);
34 int map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
35  u8 is_add);
36 u8 *format_map_trace (u8 * s, va_list * args);
37 
38 typedef enum __attribute__ ((__packed__))
39 {
40  MAP_DOMAIN_PREFIX = 1 << 0, MAP_DOMAIN_TRANSLATION = 1 << 1, // The domain uses MAP-T
42 
43 /**
44  * IP4 reassembly logic:
45  * One virtually reassembled flow requires a map_ip4_reass_t structure in order
46  * to keep the first-fragment port number and, optionally, cache out of sequence
47  * packets.
48  * There are up to MAP_IP4_REASS_MAX_REASSEMBLY such structures.
49  * When in use, those structures are stored in a hash table of MAP_IP4_REASS_BUCKETS buckets.
50  * When a new structure needs to be used, it is allocated from available ones.
51  * If there is no structure available, the oldest in use is selected and used if and
52  * only if it was first allocated more than MAP_IP4_REASS_LIFETIME seconds ago.
53  * In case no structure can be allocated, the fragment is dropped.
54  */
55 
56 #define MAP_IP4_REASS_LIFETIME_DEFAULT (100) /* ms */
57 #define MAP_IP4_REASS_HT_RATIO_DEFAULT (1.0)
58 #define MAP_IP4_REASS_POOL_SIZE_DEFAULT 1024 // Number of reassembly structures
59 #define MAP_IP4_REASS_BUFFERS_DEFAULT 2048
60 
61 #define MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY 5 // Number of fragment per reassembly
62 
63 #define MAP_IP6_REASS_LIFETIME_DEFAULT (100) /* ms */
64 #define MAP_IP6_REASS_HT_RATIO_DEFAULT (1.0)
65 #define MAP_IP6_REASS_POOL_SIZE_DEFAULT 1024 // Number of reassembly structures
66 #define MAP_IP6_REASS_BUFFERS_DEFAULT 2048
67 
68 #define MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY 5
69 
70 #define MAP_IP6_REASS_COUNT_BYTES
71 #define MAP_IP4_REASS_COUNT_BYTES
72 
73 //#define IP6_MAP_T_OVERRIDE_TOS 0
74 
75 /*
76  * This structure _MUST_ be no larger than a single cache line (64 bytes).
77  * If more space is needed make a union of ip6_prefix and *rules, those are mutually exclusive.
78  */
79 typedef struct
80 {
94 
95  /* helpers */
99 
100  /* not used by forwarding */
102 } map_domain_t;
103 
105  "MAP domain fits in one cacheline");
106 
107 #define MAP_REASS_INDEX_NONE ((u16)0xffff)
108 
109 /*
110  * Hash key, padded out to 16 bytes for fast compare
111  */
112 /* *INDENT-OFF* */
113 typedef union {
114  CLIB_PACKED (struct {
115  ip4_address_t src;
116  ip4_address_t dst;
117  u16 fragment_id;
118  u8 protocol;
119  });
121  u32 as_u32[4];
123 /* *INDENT-ON* */
124 
125 typedef struct
126 {
129 #ifdef MAP_IP4_REASS_COUNT_BYTES
132 #endif
140 
141 /*
142  * MAP domain counters
143  */
144 typedef enum
145 {
146  /* Simple counters */
148  /* Combined counters */
153 
154 /*
155  * main_main_t
156  */
157 /* *INDENT-OFF* */
158 typedef union {
159  CLIB_PACKED (struct {
160  ip6_address_t src;
161  ip6_address_t dst;
162  u32 fragment_id;
163  u8 protocol;
164  });
166  u32 as_u32[10];
168 /* *INDENT-OFF* */
169 
170 typedef struct {
171  u32 pi; //Cached packet or ~0
172  u16 next_data_offset; //The data offset of the additional 20 bytes or ~0
173  u8 next_data_len; //Number of bytes ready to be copied (20 if not last fragment)
174  u8 next_data[20]; //The 20 additional bytes
176 
177 typedef struct {
180 #ifdef MAP_IP6_REASS_COUNT_BYTES
183 #endif
184  u16 bucket; //What hash bucket this element is linked in
191 
192 #ifdef MAP_SKIP_IP6_LOOKUP
193 /**
194  * A pre-resolved next-hop
195  */
197 {
198  /**
199  * Linkage into the FIB graph
200  */
202 
203  /**
204  * The FIB entry index of the next-hop
205  */
207 
208  /**
209  * This object sibling index on the FIB entry's child dependency list
210  */
212 
213  /**
214  * The Load-balance object index to use to forward
215  */
218 
219 /**
220  * Pre-resolved next hops for v4 and v6. Why these are global and not
221  * per-domain is beyond me.
222  */
223 extern map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
224 #endif
225 
226 typedef struct {
227  /* pool of MAP domains */
229 
230  /* MAP Domain packet/byte counters indexed by map domain index */
233  volatile u32 *counter_lock;
234 
235  /* Traffic class: zero, copy (~0) or fixed value */
237  bool tc_copy;
238 
239  bool sec_check; /* Inbound security check */
240  bool sec_check_frag; /* Inbound security check for (subsequent) fragments */
241  bool icmp6_enabled; /* Send destination unreachable for security check failure */
242 
243  /* ICMPv6 -> ICMPv4 relay parameters */
246 
247  /* convenience */
250 
251  /*
252  * IPv4 encap and decap reassembly
253  */
254  /* Configuration */
255  f32 ip4_reass_conf_ht_ratio; //Size of ht is 2^ceil(log2(ratio*pool_size))
256  u16 ip4_reass_conf_pool_size; //Max number of allocated reass structures
257  u16 ip4_reass_conf_lifetime_ms; //Time a reassembly struct is considered valid in ms
258  u32 ip4_reass_conf_buffers; //Maximum number of buffers used by ip4 reassembly
259 
260  /* Runtime */
262  u8 ip4_reass_ht_log2len; //Hash table size is 2^log2len
266  volatile u32 *ip4_reass_lock;
267 
268  /* Counters */
270 
271  bool frag_inner; /* Inner or outer fragmentation */
272  bool frag_ignore_df; /* Fragment (outer) packet even if DF is set */
273 
274  /*
275  * IPv6 decap reassembly
276  */
277  /* Configuration */
278  f32 ip6_reass_conf_ht_ratio; //Size of ht is 2^ceil(log2(ratio*pool_size))
279  u16 ip6_reass_conf_pool_size; //Max number of allocated reass structures
280  u16 ip6_reass_conf_lifetime_ms; //Time a reassembly struct is considered valid in ms
281  u32 ip6_reass_conf_buffers; //Maximum number of buffers used by ip6 reassembly
282 
283  /* Runtime */
285  u8 ip6_reass_ht_log2len; //Hash table size is 2^log2len
289  volatile u32 *ip6_reass_lock;
290 
291  /* Counters */
293 
294 } map_main_t;
295 
296 /*
297  * MAP Error counters/messages
298  */
299 #define foreach_map_error \
300  /* Must be first. */ \
301  _(NONE, "valid MAP packets") \
302  _(BAD_PROTOCOL, "bad protocol") \
303  _(SEC_CHECK, "security check failed") \
304  _(ENCAP_SEC_CHECK, "encap security check failed") \
305  _(DECAP_SEC_CHECK, "decap security check failed") \
306  _(ICMP, "unable to translate ICMP") \
307  _(ICMP_RELAY, "unable to relay ICMP") \
308  _(UNKNOWN, "unknown") \
309  _(NO_BINDING, "no binding") \
310  _(NO_DOMAIN, "no domain") \
311  _(FRAGMENTED, "packet is a fragment") \
312  _(FRAGMENT_MEMORY, "could not cache fragment") \
313  _(FRAGMENT_MALFORMED, "fragment has unexpected format")\
314  _(FRAGMENT_DROPPED, "dropped cached fragment") \
315  _(MALFORMED, "malformed packet") \
316  _(DF_SET, "can't fragment, DF set")
317 
318 typedef enum {
319 #define _(sym,str) MAP_ERROR_##sym,
321 #undef _
323  } map_error_t;
324 
325 u64 map_error_counter_get(u32 node_index, map_error_t map_error);
326 
327 typedef struct {
330 } map_trace_t;
331 
332 extern map_main_t map_main;
333 
336 
341 
346 
347 /*
348  * map_get_pfx
349  */
352 {
353  u16 psid = (port >> d->psid_shift) & d->psid_mask;
354 
355  if (d->ea_bits_len == 0 && d->rules)
356  return clib_net_to_host_u64(d->rules[psid].as_u64[0]);
357 
358  u32 suffix = (addr >> d->suffix_shift) & d->suffix_mask;
359  u64 ea = d->ea_bits_len == 0 ? 0 : (((u64) suffix << d->psid_length)) | psid;
360 
361  return clib_net_to_host_u64(d->ip6_prefix.as_u64[0]) | ea << d->ea_shift;
362 }
363 
366 {
367  return clib_host_to_net_u64(map_get_pfx(d, clib_net_to_host_u32(addr),
368  clib_net_to_host_u16(port)));
369 }
370 
371 /*
372  * map_get_sfx
373  */
376 {
377  u16 psid = (port >> d->psid_shift) & d->psid_mask;
378 
379  /* Shared 1:1 mode. */
380  if (d->ea_bits_len == 0 && d->rules)
381  return clib_net_to_host_u64(d->rules[psid].as_u64[1]);
382  if (d->ip6_prefix_len == 128)
383  return clib_net_to_host_u64(d->ip6_prefix.as_u64[1]);
384 
385  /* IPv4 prefix */
386  if (d->flags & MAP_DOMAIN_PREFIX)
387  return (u64) (addr & (0xFFFFFFFF << d->suffix_shift)) << 16;
388 
389  /* Shared or full IPv4 address */
390  return ((u64) addr << 16) | psid;
391 }
392 
395 {
396  return clib_host_to_net_u64(map_get_sfx(d, clib_net_to_host_u32(addr),
397  clib_net_to_host_u16(port)));
398 }
399 
402 {
403  return clib_host_to_net_u32(clib_net_to_host_u64(addr->as_u64[1]) >> 16);
404 }
405 
406 /*
407  * Get the MAP domain from an IPv4 lookup adjacency.
408  */
411 {
412  map_main_t *mm = &map_main;
413 
414  return pool_elt_at_index(mm->domains, mdi);
415 }
416 
417 /*
418  * Get the MAP domain from an IPv6 lookup adjacency.
419  * If the IPv6 address or prefix is not shared, no lookup is required.
420  * The IPv4 address is used otherwise.
421  */
425  u32 *map_domain_index,
426  u8 *error)
427 {
428  map_main_t *mm = &map_main;
429 
430  /*
431  * Disable direct MAP domain lookup on decap, until the security check is updated to verify IPv4 SA.
432  * (That's done implicitly when MAP domain is looked up in the IPv4 FIB)
433  */
434 #ifdef MAP_NONSHARED_DOMAIN_ENABLED
435 #error "How can you be sure this domain is not shared?"
436  *map_domain_index = mdi;
437  return pool_elt_at_index(mm->domains, mdi);
438 #endif
439 
440  u32 lbi = ip4_fib_forwarding_lookup(0, addr);
441  const dpo_id_t *dpo = load_balance_get_bucket(lbi, 0);
442  if (PREDICT_TRUE(dpo->dpoi_type == map_dpo_type ||
443  dpo->dpoi_type == map_t_dpo_type))
444  {
445  *map_domain_index = dpo->dpoi_index;
446  return pool_elt_at_index(mm->domains, *map_domain_index);
447  }
448  *error = MAP_ERROR_NO_DOMAIN;
449  return NULL;
450 }
451 
453 map_ip4_reass_get(u32 src, u32 dst, u16 fragment_id,
454  u8 protocol, u32 **pi_to_drop);
455 void
456 map_ip4_reass_free(map_ip4_reass_t *r, u32 **pi_to_drop);
457 
458 #define map_ip4_reass_lock() while (__sync_lock_test_and_set(map_main.ip4_reass_lock, 1)) {}
459 #define map_ip4_reass_unlock() do {CLIB_MEMORY_BARRIER(); *map_main.ip4_reass_lock = 0;} while(0)
460 
463 {
464  int i;
466  if(r->fragments[i] != ~0) {
467  vec_add1(*pi, r->fragments[i]);
468  r->fragments[i] = ~0;
469  map_main.ip4_reass_buffered_counter--;
470  }
471 }
472 
474 
476 map_ip6_reass_get(ip6_address_t *src, ip6_address_t *dst, u32 fragment_id,
477  u8 protocol, u32 **pi_to_drop);
478 void
479 map_ip6_reass_free(map_ip6_reass_t *r, u32 **pi_to_drop);
480 
481 #define map_ip6_reass_lock() while (__sync_lock_test_and_set(map_main.ip6_reass_lock, 1)) {}
482 #define map_ip6_reass_unlock() do {CLIB_MEMORY_BARRIER(); *map_main.ip6_reass_lock = 0;} while(0)
483 
484 int
486  u16 data_offset, u16 next_data_offset,
487  u8 *data_start, u16 data_len);
488 
489 void map_ip4_drop_pi(u32 pi);
490 
491 int map_ip4_reass_conf_ht_ratio(f32 ht_ratio, u32 *trashed_reass, u32 *dropped_packets);
492 #define MAP_IP4_REASS_CONF_HT_RATIO_MAX 100
493 int map_ip4_reass_conf_pool_size(u16 pool_size, u32 *trashed_reass, u32 *dropped_packets);
494 #define MAP_IP4_REASS_CONF_POOL_SIZE_MAX (0xfeff)
495 int map_ip4_reass_conf_lifetime(u16 lifetime_ms);
496 #define MAP_IP4_REASS_CONF_LIFETIME_MAX 0xffff
497 int map_ip4_reass_conf_buffers(u32 buffers);
498 #define MAP_IP4_REASS_CONF_BUFFERS_MAX (0xffffffff)
499 
500 void map_ip6_drop_pi(u32 pi);
501 
502 
503 int map_ip6_reass_conf_ht_ratio(f32 ht_ratio, u32 *trashed_reass, u32 *dropped_packets);
504 #define MAP_IP6_REASS_CONF_HT_RATIO_MAX 100
505 int map_ip6_reass_conf_pool_size(u16 pool_size, u32 *trashed_reass, u32 *dropped_packets);
506 #define MAP_IP6_REASS_CONF_POOL_SIZE_MAX (0xfeff)
507 int map_ip6_reass_conf_lifetime(u16 lifetime_ms);
508 #define MAP_IP6_REASS_CONF_LIFETIME_MAX 0xffff
509 int map_ip6_reass_conf_buffers(u32 buffers);
510 #define MAP_IP6_REASS_CONF_BUFFERS_MAX (0xffffffff)
511 
512 
513 #define u8_ptr_add(ptr, index) (((u8 *)ptr) + index)
514 #define u16_net_add(u, val) clib_host_to_net_u16(clib_net_to_host_u16(u) + (val))
515 
518  ip6_address_t *ip6, const ip4_address_t *ip4)
519 {
520  ASSERT(d->ip6_src_len == 96); //No support for other lengths for now
521  ip6->as_u64[0] = d->ip6_src.as_u64[0];
522  ip6->as_u32[2] = d->ip6_src.as_u32[2];
523  ip6->as_u32[3] = ip4->as_u32;
524 }
525 
528 {
529  ASSERT(d->ip6_src_len == 96); //No support for other lengths for now
530  return addr->as_u32[3];
531 }
532 
533 static inline void
535 {
536  if (mm->counter_lock)
537  while (__sync_lock_test_and_set(mm->counter_lock, 1))
538  /* zzzz */ ;
539 }
540 static inline void
542 {
543  if (mm->counter_lock)
544  *mm->counter_lock = 0;
545 }
546 
547 
551  u32 next)
552 {
553  u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
554  //Deal with fragments that are ready
555  from = pi_vector;
556  n_left_from = vec_len(pi_vector);
557  next_index = node->cached_next_index;
558  while (n_left_from > 0) {
559  vlib_get_next_frame(vm, node, next_index, to_next, n_left_to_next);
560  while (n_left_from > 0 && n_left_to_next > 0) {
561  u32 pi0 = to_next[0] = from[0];
562  from += 1;
563  n_left_from -= 1;
564  to_next += 1;
565  n_left_to_next -= 1;
566  vlib_buffer_t *p0 = vlib_get_buffer(vm, pi0);
567  p0->error = *error;
568  vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, pi0, next);
569  }
570  vlib_put_next_frame(vm, node, next_index, n_left_to_next);
571  }
572 }
573 
574 /*
575  * fd.io coding-style-patch-verification: ON
576  *
577  * Local Variables:
578  * eval: (c-set-style "gnu")
579  * End:
580  */
u16 forwarded
Definition: map.h:182
map_ip6_reass_t * map_ip6_reass_get(ip6_address_t *src, ip6_address_t *dst, u32 fragment_id, u8 protocol, u32 **pi_to_drop)
Definition: map.c:1635
u8 psid_length
Definition: map.h:93
map_ip4_reass_t * ip4_reass_pool
Definition: map.h:261
int map_ip4_reass_add_fragment(map_ip4_reass_t *r, u32 pi)
Definition: map.c:1544
u32 ip4_reass_conf_buffers
Definition: map.h:258
fib_node_t node
Linkage into the FIB graph.
Definition: map.h:201
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:337
map_domain_flags_e flags
Definition: map.h:88
u16 fifo_prev
Definition: map.h:186
vlib_node_registration_t ip4_map_t_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_node)
Definition: ip4_map_t.c:786
static_always_inline u64 map_get_pfx(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:351
u16 ip4_reass_allocated
Definition: map.h:263
volatile u32 * ip6_reass_lock
Definition: map.h:289
volatile u32 * counter_lock
Definition: map.h:233
u8 ip4_reass_ht_log2len
Definition: map.h:262
u32 fragments[MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY]
Definition: map.h:138
vlib_node_registration_t ip4_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_icmp_node)
Definition: ip4_map_t.c:746
u16 bucket_next
Definition: map.h:185
u64 as_u64
Definition: bihash_doc.h:63
#define PREDICT_TRUE(x)
Definition: clib.h:106
u64 as_u64[2]
Definition: ip6_packet.h:51
map_error_t
Definition: map.h:318
dpo_id_t dpo
The Load-balance object index to use to forward.
Definition: map.h:216
#define NULL
Definition: clib.h:55
int map_ip4_reass_conf_buffers(u32 buffers)
Definition: map.c:1874
vlib_main_t * vlib_main
Definition: map.h:248
int map_ip6_reass_conf_lifetime(u16 lifetime_ms)
Definition: map.c:1950
u8 tc
Definition: map.h:236
int map_ip4_reass_conf_ht_ratio(f32 ht_ratio, u32 *trashed_reass, u32 *dropped_packets)
Definition: map.c:1835
A pre-resolved next-hop.
Definition: map.h:196
#define vec_add1(V, E)
Add 1 element to end of vector (unspecified alignment).
Definition: vec.h:518
static void map_domain_counter_unlock(map_main_t *mm)
Definition: map.h:541
struct _vlib_node_registration vlib_node_registration_t
u32 suffix_mask
Definition: map.h:84
bool sec_check_frag
Definition: map.h:240
u32 ip4_reass_buffered_counter
Definition: map.h:269
u16 ip4_reass_fifo_last
Definition: map.h:265
map_ip6_reass_t * ip6_reass_pool
Definition: map.h:284
u16 port
Definition: map.h:329
vlib_node_registration_t ip6_map_t_tcp_udp_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_tcp_udp_node)
Definition: ip6_map_t.c:993
float f32
Definition: types.h:143
static_always_inline void ip4_map_t_embedded_address(map_domain_t *d, ip6_address_t *ip6, const ip4_address_t *ip4)
Definition: map.h:517
#define MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY
Definition: map.h:61
static_always_inline u32 ip6_map_t_embedded_address(map_domain_t *d, ip6_address_t *addr)
Definition: map.h:527
bool tc_copy
Definition: map.h:237
#define static_always_inline
Definition: clib.h:93
map_ip4_reass_key_t key
Definition: map.h:127
u16 bucket
Definition: map.h:184
vlib_combined_counter_main_t * domain_counters
Definition: map.h:232
ip4_address_t icmp4_src_address
Definition: map.h:244
int i32
Definition: types.h:81
static_always_inline void map_send_all_to_node(vlib_main_t *vm, u32 *pi_vector, vlib_node_runtime_t *node, vlib_error_t *error, u32 next)
Definition: map.h:549
u16 fifo_next
Definition: map.h:137
vlib_simple_counter_main_t icmp_relayed
Definition: map.h:245
int map_ip4_reass_conf_pool_size(u16 pool_size, u32 *trashed_reass, u32 *dropped_packets)
Definition: map.c:1852
ip6_address_t * rules
Definition: map.h:83
unsigned long u64
Definition: types.h:89
int map_ip6_reass_conf_ht_ratio(f32 ht_ratio, u32 *trashed_reass, u32 *dropped_packets)
Definition: map.c:1918
u8 ea_bits_len
Definition: map.h:91
A collection of simple counters.
Definition: counter.h:58
u8 ip6_prefix_len
Definition: map.h:89
int map_ip6_reass_conf_buffers(u32 buffers)
Definition: map.c:1957
u16 ip6_reass_allocated
Definition: map.h:286
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:166
map_ip4_reass_t * map_ip4_reass_get(u32 src, u32 dst, u16 fragment_id, u8 protocol, u32 **pi_to_drop)
Definition: map.c:1463
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:459
int map_create_domain(ip4_address_t *ip4_prefix, u8 ip4_prefix_len, ip6_address_t *ip6_prefix, u8 ip6_prefix_len, ip6_address_t *ip6_src, u8 ip6_src_len, u8 ea_bits_len, u8 psid_offset, u8 psid_length, u32 *map_domain_index, u16 mtu, u8 flags)
Definition: map.c:64
dpo_type_t dpoi_type
the type
Definition: dpo.h:170
bool frag_ignore_df
Definition: map.h:272
volatile u32 * ip4_reass_lock
Definition: map.h:266
static_always_inline u64 map_get_pfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:365
static_always_inline map_domain_t * ip6_map_get_domain(u32 mdi, ip4_address_t *addr, u32 *map_domain_index, u8 *error)
Definition: map.h:423
u16 ip4_reass_conf_pool_size
Definition: map.h:256
map_domain_t * domains
Definition: map.h:228
int map_ip6_reass_conf_pool_size(u16 pool_size, u32 *trashed_reass, u32 *dropped_packets)
Definition: map.c:1935
u16 bucket
Definition: map.h:134
static_always_inline u64 map_get_sfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:394
u16 * ip6_reass_hash_table
Definition: map.h:287
u16 * ip4_reass_hash_table
Definition: map.h:264
u32 vlib_error_t
Definition: error.h:44
map_main_t map_main
Definition: map.c:26
static_always_inline map_domain_t * ip4_map_get_domain(u32 mdi)
Definition: map.h:410
#define vlib_validate_buffer_enqueue_x1(vm, node, next_index, to_next, n_left_to_next, bi0, next0)
Finish enqueueing one buffer forward in the graph.
Definition: buffer_node.h:218
An node in the FIB graph.
Definition: fib_node.h:286
u8 ip6_src_len
Definition: map.h:90
#define vlib_get_next_frame(vm, node, next_index, vectors, n_vectors_left)
Get pointer to next frame vector data by (vlib_node_runtime_t, next_index).
Definition: node_funcs.h:364
u8 psid_shift
Definition: map.h:96
dpo_type_t map_dpo_type
The register MAP DPO type.
Definition: map_dpo.c:22
const dpo_id_t * load_balance_get_bucket(index_t lbi, u32 bucket)
Definition: load_balance.c:294
u16 expected_total
Definition: map.h:130
vlib_error_t error
Error code for buffers to be enqueued to error handler.
Definition: buffer.h:113
vlib_node_registration_t ip4_map_t_tcp_udp_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_tcp_udp_node)
Definition: ip4_map_t.c:766
u8 suffix_shift
Definition: map.h:97
vlib_node_registration_t ip4_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_fragmented_node)
Definition: ip4_map_t.c:726
u8 ip6_reass_ht_log2len
Definition: map.h:285
u32 as_u32[4]
Definition: ip6_packet.h:50
u16 ip6_reass_fifo_last
Definition: map.h:288
u16 ip6_reass_conf_pool_size
Definition: map.h:279
u8 next_data_len
Definition: map.h:173
void map_ip4_drop_pi(u32 pi)
Definition: ip6_map.c:664
ip4_address_t ip4_prefix
Definition: map.h:85
u16 next_data_offset
Definition: map.h:172
static_always_inline void map_ip4_reass_get_fragments(map_ip4_reass_t *r, u32 **pi)
Definition: map.h:462
vlib_main_t * vm
Definition: buffer.c:283
vlib_node_registration_t ip6_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_icmp_node)
Definition: ip6_map_t.c:973
u8 psid_offset
Definition: map.h:92
void map_ip6_reass_free(map_ip6_reass_t *r, u32 **pi_to_drop)
Definition: map.c:1583
u16 forwarded
Definition: map.h:131
bool icmp6_enabled
Definition: map.h:241
u32 sibling
This object sibling index on the FIB entry&#39;s child dependency list.
Definition: map.h:211
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:29
map_domain_counter_t
Definition: map.h:144
map_ip6_reass_key_t key
Definition: map.h:178
void vlib_put_next_frame(vlib_main_t *vm, vlib_node_runtime_t *r, u32 next_index, u32 n_vectors_left)
Release pointer to next frame vector data.
Definition: main.c:454
#define foreach_map_error
Definition: map.h:299
ip6_address_t ip6_src
Definition: map.h:81
static void map_domain_counter_lock(map_main_t *mm)
Definition: map.h:534
f32 ip4_reass_conf_ht_ratio
Definition: map.h:255
vlib_node_registration_t ip4_map_node
(constructor) VLIB_REGISTER_NODE (ip4_map_node)
Definition: ip4_map.c:703
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
Definition: node.h:456
#define ASSERT(truth)
vlib_node_registration_t ip6_map_node
(constructor) VLIB_REGISTER_NODE (ip6_map_node)
Definition: ip6_map.c:1180
unsigned int u32
Definition: types.h:88
bool sec_check
Definition: map.h:239
bool frag_inner
Definition: map.h:271
u16 psid_mask
Definition: map.h:86
STATIC_ASSERT((sizeof(map_domain_t)<=CLIB_CACHE_LINE_BYTES),"MAP domain fits in one cacheline")
static index_t ip4_fib_forwarding_lookup(u32 fib_index, const ip4_address_t *addr)
Definition: ip4_fib.h:152
ip4_header_t ip4_header
Definition: map.h:188
u8 ea_shift
Definition: map.h:98
void map_ip6_drop_pi(u32 pi)
Definition: ip6_map.c:655
ip6_address_t ip6_prefix
Definition: map.h:82
f32 ip6_reass_conf_ht_ratio
Definition: map.h:278
u8 * format_map_trace(u8 *s, va_list *args)
Definition: map.c:1383
vnet_main_t * vnet_main
Definition: map.h:249
unsigned short u16
Definition: types.h:57
u16 mtu
Definition: map.h:87
index_t dpoi_index
the index of objects of that type
Definition: dpo.h:182
static_always_inline u32 map_get_ip4(ip6_address_t *addr)
Definition: map.h:401
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
double f64
Definition: types.h:142
u16 ip6_reass_conf_lifetime_ms
Definition: map.h:280
unsigned char u8
Definition: types.h:56
fib_node_index_t fei
The FIB entry index of the next-hop.
Definition: map.h:206
i32 port
Definition: map.h:133
dpo_type_t map_t_dpo_type
Definition: map_dpo.c:23
A collection of combined counters.
Definition: counter.h:180
u16 bucket_next
Definition: map.h:135
#define FIB_PROTOCOL_MAX
Definition outside of enum so it does not need to be included in non-defaulted switch statements...
Definition: fib_types.h:51
u8 ip4_prefix_len
Definition: map.h:101
vlib_simple_counter_main_t * simple_domain_counters
Definition: map.h:231
u64 map_error_counter_get(u32 node_index, map_error_t map_error)
Definition: map.c:1085
#define MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY
Definition: map.h:68
void map_ip4_reass_free(map_ip4_reass_t *r, u32 **pi_to_drop)
Definition: map.c:1420
u16 ip4_reass_conf_lifetime_ms
Definition: map.h:257
int map_delete_domain(u32 map_domain_index)
Definition: map.c:220
static_always_inline u64 map_get_sfx(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:375
u32 map_domain_index
Definition: map.h:328
int map_add_del_psid(u32 map_domain_index, u16 psid, ip6_address_t *tep, u8 is_add)
Definition: map.c:264
vhost_vring_addr_t addr
Definition: vhost-user.h:83
u16 fifo_prev
Definition: map.h:136
int map_ip4_reass_conf_lifetime(u16 lifetime_ms)
Definition: map.c:1867
vlib_node_registration_t ip6_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_fragmented_node)
Definition: ip6_map_t.c:953
vlib_node_registration_t ip6_map_t_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_node)
Definition: ip6_map_t.c:1013
u32 flags
Definition: vhost-user.h:77
u32 ip6_reass_buffered_counter
Definition: map.h:292
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:67
u16 expected_total
Definition: map.h:181
map_domain_flags_e
Definition: map.h:38
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:57
int map_ip6_reass_add_fragment(map_ip6_reass_t *r, u32 pi, u16 data_offset, u16 next_data_offset, u8 *data_start, u16 data_len)
Definition: map.c:1723
struct map_main_pre_resolved_t_ map_main_pre_resolved_t
A pre-resolved next-hop.
u16 fifo_next
Definition: map.h:187
#define CLIB_PACKED(x)
Definition: clib.h:78
u32 ip6_reass_conf_buffers
Definition: map.h:281