FD.io VPP  v20.05.1-6-gf53edbc3b
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/dpo/load_balance.h>
24 #include "lpm.h"
25 #include <vppinfra/lock.h>
26 
27 #define MAP_SKIP_IP6_LOOKUP 1
28 
29 #define MAP_ERR_GOOD 0
30 #define MAP_ERR_BAD_POOL_SIZE -1
31 #define MAP_ERR_BAD_HT_RATIO -2
32 #define MAP_ERR_BAD_LIFETIME -3
33 #define MAP_ERR_BAD_BUFFERS -4
34 #define MAP_ERR_BAD_BUFFERS_TOO_LARGE -5
35 #define MAP_ERR_UNSUPPORTED -6
36 
37 int map_create_domain (ip4_address_t * ip4_prefix, u8 ip4_prefix_len,
38  ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
39  ip6_address_t * ip6_src, u8 ip6_src_len,
40  u8 ea_bits_len, u8 psid_offset, u8 psid_length,
41  u32 * map_domain_index, u16 mtu, u8 flags, u8 * tag);
42 int map_delete_domain (u32 map_domain_index);
43 int map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
44  bool is_add);
45 int map_if_enable_disable (bool is_enable, u32 sw_if_index,
46  bool is_translation);
47 u8 *format_map_trace (u8 * s, va_list * args);
48 
49 int map_param_set_fragmentation (bool inner, bool ignore_df);
50 int map_param_set_icmp (ip4_address_t * ip4_err_relay_src);
51 int map_param_set_icmp6 (u8 enable_unreachable);
52 void map_pre_resolve (ip4_address_t * ip4, ip6_address_t * ip6, bool is_del);
53 int map_param_set_security_check (bool enable, bool fragments);
54 int map_param_set_traffic_class (bool copy, u8 tc);
55 int map_param_set_tcp (u16 tcp_mss);
56 
57 
58 typedef enum
59 {
61  MAP_DOMAIN_TRANSLATION = 1 << 1, // The domain uses MAP-T
63 } __attribute__ ((__packed__)) map_domain_flags_e;
64 
65 //#define IP6_MAP_T_OVERRIDE_TOS 0
66 
67 /*
68  * This structure _MUST_ be no larger than a single cache line (64 bytes).
69  * If more space is needed make a union of ip6_prefix and *rules, as
70  * those are mutually exclusive.
71  */
72 typedef struct
73 {
74  /* Required for pool_get_aligned */
75  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
76  ip6_address_t ip6_src;
77  ip6_address_t ip6_prefix;
78  ip6_address_t *rules;
89 
90  /* helpers */
94 
95  /* not used by forwarding */
97 } map_domain_t;
98 
100  "MAP domain fits in one cacheline");
101 
102 /*
103  * Extra data about a domain that doesn't need to be time/space critical.
104  * This structure is in a vector parallel to the main map_domain_t,
105  * and indexed by the same map-domain-index values.
106  */
107 typedef struct
108 {
109  u8 *tag; /* Probably a user-assigned domain name. */
111 
112 #define MAP_REASS_INDEX_NONE ((u16)0xffff)
113 
114 /*
115  * MAP domain counters
116  */
117 typedef enum
118 {
119  /* Simple counters */
121  /* Combined counters */
126 
127 #ifdef MAP_SKIP_IP6_LOOKUP
128 /**
129  * A pre-resolved next-hop
130  */
132 {
133  /**
134  * Linkage into the FIB graph
135  */
137 
138  /**
139  * The FIB entry index of the next-hop
140  */
142 
143  /**
144  * This object sibling index on the FIB entry's child dependency list
145  */
147 
148  /**
149  * The Load-balance object index to use to forward
150  */
153 
154 /**
155  * Pre-resolved next hops for v4 and v6. Why these are global and not
156  * per-domain is beyond me.
157  */
158 extern map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
159 #endif
160 
161 typedef struct
162 {
163  /* pool of MAP domains */
166 
167  /* MAP Domain packet/byte counters indexed by map domain index */
170  volatile u32 *counter_lock;
171 
172  /* API message id base */
174 
175  /* Traffic class: zero, copy (~0) or fixed value */
177  bool tc_copy;
178 
179  bool sec_check; /* Inbound security check */
180  bool sec_check_frag; /* Inbound security check for (subsequent) fragments */
181  bool icmp6_enabled; /* Send destination unreachable for security check failure */
182 
183  u16 tcp_mss; /* TCP MSS clamp value */
184 
185  /* ICMPv6 -> ICMPv4 relay parameters */
188 
189  /* convenience */
192 
193  bool frag_inner; /* Inner or outer fragmentation */
194  bool frag_ignore_df; /* Fragment (outer) packet even if DF is set */
195 
196  /* Graph node state */
199 
200  /* Lookup tables */
204 
206 } map_main_t;
207 
208 /*
209  * MAP Error counters/messages
210  */
211 #define foreach_map_error \
212  /* Must be first. */ \
213  _(NONE, "valid MAP packets") \
214  _(BAD_PROTOCOL, "bad protocol") \
215  _(SEC_CHECK, "security check failed") \
216  _(ENCAP_SEC_CHECK, "encap security check failed") \
217  _(DECAP_SEC_CHECK, "decap security check failed") \
218  _(ICMP, "unable to translate ICMP") \
219  _(ICMP_RELAY, "unable to relay ICMP") \
220  _(UNKNOWN, "unknown") \
221  _(NO_BINDING, "no binding") \
222  _(NO_DOMAIN, "no domain") \
223  _(FRAGMENTED, "packet is a fragment") \
224  _(FRAGMENT_MEMORY, "could not cache fragment") \
225  _(FRAGMENT_MALFORMED, "fragment has unexpected format")\
226  _(FRAGMENT_DROPPED, "dropped cached fragment") \
227  _(MALFORMED, "malformed packet") \
228  _(DF_SET, "can't fragment, DF set") \
229  _(TIME_EXCEEDED, "time exceeded") \
230 
231 typedef enum
232 {
233 #define _(sym,str) MAP_ERROR_##sym,
235 #undef _
237 } map_error_t;
238 
239 u64 map_error_counter_get (u32 node_index, map_error_t map_error);
240 
241 typedef struct
242 {
245 } map_trace_t;
246 
247 always_inline void
249  vlib_buffer_t * b, u32 map_domain_index, u16 port)
250 {
251  map_trace_t *tr = vlib_add_trace (vm, node, b, sizeof (*tr));
252  tr->map_domain_index = map_domain_index;
253  tr->port = port;
254 }
255 
256 extern map_main_t map_main;
257 
260 
265 
270 
271 /*
272  * map_get_pfx
273  */
276 {
277  u16 psid = (port >> d->psid_shift) & d->psid_mask;
278 
279  if (d->ea_bits_len == 0 && d->rules)
280  return clib_net_to_host_u64 (d->rules[psid].as_u64[0]);
281 
282  u32 suffix = (addr >> d->suffix_shift) & d->suffix_mask;
283  u64 ea =
284  d->ea_bits_len == 0 ? 0 : (((u64) suffix << d->psid_length)) | psid;
285 
286  return clib_net_to_host_u64 (d->ip6_prefix.as_u64[0]) | ea << d->ea_shift;
287 }
288 
291 {
292  return clib_host_to_net_u64 (map_get_pfx (d, clib_net_to_host_u32 (addr),
293  clib_net_to_host_u16 (port)));
294 }
295 
296 /*
297  * map_get_sfx
298  */
301 {
302  u16 psid = (port >> d->psid_shift) & d->psid_mask;
303 
304  /* Shared 1:1 mode. */
305  if (d->ea_bits_len == 0 && d->rules)
306  return clib_net_to_host_u64 (d->rules[psid].as_u64[1]);
307  if (d->ip6_prefix_len == 128)
308  return clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]);
309 
310  if (d->ip6_src_len == 96)
311  return (clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]) | addr);
312 
313  /* IPv4 prefix */
314  if (d->flags & MAP_DOMAIN_PREFIX)
315  return (u64) (addr & (0xFFFFFFFF << d->suffix_shift)) << 16;
316 
317  /* Shared or full IPv4 address */
318  return ((u64) addr << 16) | psid;
319 }
320 
323 {
324  return clib_host_to_net_u64 (map_get_sfx (d, clib_net_to_host_u32 (addr),
325  clib_net_to_host_u16 (port)));
326 }
327 
329 map_get_ip4 (ip6_address_t * addr, u16 prefix_len)
330 {
331  ASSERT (prefix_len == 64 || prefix_len == 96);
332  if (prefix_len == 96)
333  return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]));
334  else
335  return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]) >>
336  16);
337 }
338 
340 ip4_map_get_domain (ip4_address_t * addr, u32 * map_domain_index, u8 * error)
341 {
342  map_main_t *mm = &map_main;
343 
344  u32 mdi = mm->ip4_prefix_tbl->lookup (mm->ip4_prefix_tbl, addr, 32);
345  if (mdi == ~0)
346  {
347  *error = MAP_ERROR_NO_DOMAIN;
348  return 0;
349  }
350  *map_domain_index = mdi;
351  return pool_elt_at_index (mm->domains, mdi);
352 }
353 
354 /*
355  * Get the MAP domain from an IPv6 address.
356  * If the IPv6 address or
357  * prefix is shared the IPv4 address must be used.
358  */
360 ip6_map_get_domain (ip6_address_t * addr, u32 * map_domain_index, u8 * error)
361 {
362  map_main_t *mm = &map_main;
363  u32 mdi =
364  mm->ip6_src_prefix_tbl->lookup (mm->ip6_src_prefix_tbl, addr, 128);
365  if (mdi == ~0)
366  {
367  *error = MAP_ERROR_NO_DOMAIN;
368  return 0;
369  }
370 
371  *map_domain_index = mdi;
372  return pool_elt_at_index (mm->domains, mdi);
373 }
374 
376 
377 void map_ip6_drop_pi (u32 pi);
378 
379 /*
380  * Supports prefix of 96 or 64 (with u-octet)
381  */
384  ip6_address_t * ip6, const ip4_address_t * ip4)
385 {
386  ASSERT (d->ip6_src_len == 96 || d->ip6_src_len == 64); //No support for other lengths for now
387  u8 offset = d->ip6_src_len == 64 ? 9 : 12;
388  ip6->as_u64[0] = d->ip6_src.as_u64[0];
389  ip6->as_u64[1] = d->ip6_src.as_u64[1];
390  clib_memcpy_fast (&ip6->as_u8[offset], ip4, 4);
391 }
392 
395 {
396  ASSERT (d->ip6_src_len == 64 || d->ip6_src_len == 96);
397  u32 x;
398  u8 offset = d->ip6_src_len == 64 ? 9 : 12;
399  clib_memcpy (&x, &addr->as_u8[offset], 4);
400  return x;
401 }
402 
403 static inline void
405 {
406  if (mm->counter_lock)
408  /* zzzz */ ;
409 }
410 
411 static inline void
413 {
414  if (mm->counter_lock)
416 }
417 
418 
422  u32 next)
423 {
424  u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
425  //Deal with fragments that are ready
426  from = pi_vector;
427  n_left_from = vec_len (pi_vector);
428  next_index = node->cached_next_index;
429  while (n_left_from > 0)
430  {
431  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
432  while (n_left_from > 0 && n_left_to_next > 0)
433  {
434  u32 pi0 = to_next[0] = from[0];
435  from += 1;
436  n_left_from -= 1;
437  to_next += 1;
438  n_left_to_next -= 1;
439  vlib_buffer_t *p0 = vlib_get_buffer (vm, pi0);
440  p0->error = *error;
441  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
442  n_left_to_next, pi0, next);
443  }
444  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
445  }
446 }
447 
450 {
451  u8 *data;
452  u8 opt_len, opts_len, kind;
453  u16 mss;
454  u16 mss_value_net = clib_host_to_net_u16 (mss_clamping);
455 
456  if (!tcp_syn (tcp))
457  return;
458 
459  opts_len = (tcp_doff (tcp) << 2) - sizeof (tcp_header_t);
460  data = (u8 *) (tcp + 1);
461  for (; opts_len > 0; opts_len -= opt_len, data += opt_len)
462  {
463  kind = data[0];
464 
465  if (kind == TCP_OPTION_EOL)
466  break;
467  else if (kind == TCP_OPTION_NOOP)
468  {
469  opt_len = 1;
470  continue;
471  }
472  else
473  {
474  if (opts_len < 2)
475  return;
476  opt_len = data[1];
477 
478  if (opt_len < 2 || opt_len > opts_len)
479  return;
480  }
481 
482  if (kind == TCP_OPTION_MSS)
483  {
484  mss = *(u16 *) (data + 2);
485  if (clib_net_to_host_u16 (mss) > mss_clamping)
486  {
487  *sum =
488  ip_csum_update (*sum, mss, mss_value_net, ip4_header_t,
489  length);
490  clib_memcpy (data + 2, &mss_value_net, 2);
491  }
492  return;
493  }
494  }
495 }
496 
499 {
500 #ifdef MAP_SKIP_IP6_LOOKUP
501  if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP6].fei)
502  {
503  vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
504  pre_resolved[FIB_PROTOCOL_IP6].dpo.dpoi_index;
505  return (true);
506  }
507 #endif
508  return (false);
509 }
510 
513 {
514 #ifdef MAP_SKIP_IP6_LOOKUP
515  if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP4].fei)
516  {
517  vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
518  pre_resolved[FIB_PROTOCOL_IP4].dpo.dpoi_index;
519  return (true);
520  }
521 #endif
522  return (false);
523 }
524 
525 /*
526  * fd.io coding-style-patch-verification: ON
527  *
528  * Local Variables:
529  * eval: (c-set-style "gnu")
530  * End:
531  */
int map_param_set_icmp(ip4_address_t *ip4_err_relay_src)
Definition: map_api.c:272
static void map_add_trace(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, u32 map_domain_index, u16 port)
Definition: map.h:248
u8 psid_length
Definition: map.h:88
End of options.
Definition: tcp_packet.h:104
fib_node_t node
Linkage into the FIB graph.
Definition: map.h:136
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
map_domain_flags_e flags
Definition: map.h:83
vlib_node_registration_t ip4_map_t_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_node)
Definition: ip4_map_t.c:764
static_always_inline u64 map_get_pfx(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:275
volatile u32 * counter_lock
Definition: map.h:170
vlib_node_registration_t ip4_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_icmp_node)
Definition: ip4_map_t.c:722
int map_if_enable_disable(bool is_enable, u32 sw_if_index, bool is_translation)
Definition: map_api.c:450
unsigned long u64
Definition: types.h:89
map_error_t
Definition: map.h:231
u16 msg_id_base
Definition: map.h:173
#define clib_memcpy_fast(a, b, c)
Definition: string.h:81
dpo_id_t dpo
The Load-balance object index to use to forward.
Definition: map.h:151
vlib_main_t * vlib_main
Definition: map.h:190
#define tcp_doff(_th)
Definition: tcp_packet.h:78
u8 tc
Definition: map.h:176
static_always_inline map_domain_t * ip6_map_get_domain(ip6_address_t *addr, u32 *map_domain_index, u8 *error)
Definition: map.h:360
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, u8 *tag)
Definition: map.c:105
A pre-resolved next-hop.
Definition: map.h:131
manual_print typedef ip4_prefix
Definition: ip_types.api:107
static void map_domain_counter_unlock(map_main_t *mm)
Definition: map.h:412
u16 vlib_error_t
Definition: error.h:43
static_always_inline map_domain_t * ip4_map_get_domain(ip4_address_t *addr, u32 *map_domain_index, u8 *error)
Definition: map.h:340
u32 suffix_mask
Definition: map.h:79
bool sec_check_frag
Definition: map.h:180
uword ip_csum_t
Definition: ip_packet.h:244
static_always_inline bool ip6_map_ip4_lookup_bypass(vlib_buffer_t *p0, ip4_header_t *ip)
Definition: map.h:512
uword * bm_trans_enabled_by_sw_if
Definition: map.h:197
No operation.
Definition: tcp_packet.h:105
struct _tcp_header tcp_header_t
vhost_vring_addr_t addr
Definition: vhost_user.h:254
unsigned char u8
Definition: types.h:56
u16 port
Definition: map.h:244
#define clib_memcpy(d, s, n)
Definition: string.h:180
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:741
Limit MSS.
Definition: tcp_packet.h:106
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:383
manual_print typedef ip6_prefix
Definition: ip_types.api:102
static_always_inline u32 ip6_map_t_embedded_address(map_domain_t *d, ip6_address_t *addr)
Definition: map.h:394
bool tc_copy
Definition: map.h:177
#define static_always_inline
Definition: clib.h:106
static_always_inline u32 map_get_ip4(ip6_address_t *addr, u16 prefix_len)
Definition: map.h:329
vl_api_interface_index_t sw_if_index
Definition: gre.api:53
vl_api_ip6_address_t ip6
Definition: one.api:424
vlib_combined_counter_main_t * domain_counters
Definition: map.h:169
ip4_address_t icmp4_src_address
Definition: map.h:186
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:420
vlib_simple_counter_main_t icmp_relayed
Definition: map.h:187
ip6_address_t * rules
Definition: map.h:78
u8 ea_bits_len
Definition: map.h:86
unsigned int u32
Definition: types.h:88
A collection of simple counters.
Definition: counter.h:57
u8 ip6_prefix_len
Definition: map.h:84
#define clib_atomic_test_and_set(a)
Definition: atomics.h:42
vlib_error_t error
Error code for buffers to be enqueued to error handler.
Definition: buffer.h:136
static void mss_clamping(snat_main_t *sm, tcp_header_t *tcp, ip_csum_t *sum)
Definition: nat_inlines.h:635
u32(* lookup)(struct lpm_ *lpm, void *addr_v, u8 pfxlen)
Definition: lpm.h:27
The identity of a DPO is a combination of its type and its instance number/index of objects of that t...
Definition: dpo.h:170
Definition: lpm.h:24
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:534
#define clib_atomic_release(a)
Definition: atomics.h:43
int map_add_del_psid(u32 map_domain_index, u16 psid, ip6_address_t *tep, bool is_add)
Definition: map.c:235
bool frag_ignore_df
Definition: map.h:194
int map_param_set_traffic_class(bool copy, u8 tc)
Definition: map_api.c:361
static_always_inline u64 map_get_pfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:290
unsigned short u16
Definition: types.h:57
map_domain_t * domains
Definition: map.h:164
static_always_inline u64 map_get_sfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:322
#define always_inline
Definition: ipsec.h:28
vl_api_ip4_address_t ip4
Definition: one.api:376
map_main_t map_main
Definition: map.c:27
STATIC_ASSERT((sizeof(map_domain_t)<=CLIB_CACHE_LINE_BYTES), "MAP domain fits in one cacheline")
#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:224
An node in the FIB graph.
Definition: fib_node.h:295
u8 ip6_src_len
Definition: map.h:85
#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:338
u8 psid_shift
Definition: map.h:91
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:743
u8 suffix_shift
Definition: map.h:92
vlib_node_registration_t ip4_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_fragmented_node)
Definition: ip4_map_t.c:701
lpm_t * ip6_src_prefix_tbl
Definition: map.h:203
u32 flags
Definition: vhost_user.h:248
ip4_address_t ip4_prefix
Definition: map.h:80
vlib_node_registration_t ip6_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_icmp_node)
Definition: ip6_map_t.c:719
uword * bm_encap_enabled_by_sw_if
Definition: map.h:198
u8 psid_offset
Definition: map.h:87
bool icmp6_enabled
Definition: map.h:181
int map_param_set_fragmentation(bool inner, bool ignore_df)
Definition: map_api.c:247
u32 sibling
This object sibling index on the FIB entry&#39;s child dependency list.
Definition: map.h:146
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:30
map_domain_counter_t
Definition: map.h:117
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:483
#define foreach_map_error
Definition: map.h:211
ip6_address_t ip6_src
Definition: map.h:76
static void map_domain_counter_lock(map_main_t *mm)
Definition: map.h:404
void map_pre_resolve(ip4_address_t *ip4, ip6_address_t *ip6, bool is_del)
Definition: map.c:407
vlib_node_registration_t ip4_map_node
(constructor) VLIB_REGISTER_NODE (ip4_map_node)
Definition: ip4_map.c:344
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
Definition: node.h:517
#define ASSERT(truth)
vlib_node_registration_t ip6_map_node
(constructor) VLIB_REGISTER_NODE (ip6_map_node)
Definition: ip6_map.c:821
#define tcp_syn(_th)
Definition: tcp_packet.h:80
bool sec_check
Definition: map.h:179
u8 data[128]
Definition: ipsec_types.api:89
bool frag_inner
Definition: map.h:193
static_always_inline bool ip4_map_ip6_lookup_bypass(vlib_buffer_t *p0, ip4_header_t *ip)
Definition: map.h:498
u16 psid_mask
Definition: map.h:81
u8 ea_shift
Definition: map.h:93
void map_ip6_drop_pi(u32 pi)
Definition: ip6_map.c:542
ip6_address_t ip6_prefix
Definition: map.h:77
static_always_inline void map_mss_clamping(tcp_header_t *tcp, ip_csum_t *sum, u16 mss_clamping)
Definition: map.h:449
static void * vlib_add_trace(vlib_main_t *vm, vlib_node_runtime_t *r, vlib_buffer_t *b, u32 n_data_bytes)
Definition: trace_funcs.h:55
u8 * format_map_trace(u8 *s, va_list *args)
Definition: map.c:1204
struct _vlib_node_registration vlib_node_registration_t
template key/value backing page structure
Definition: bihash_doc.h:44
vnet_main_t * vnet_main
Definition: map.h:191
Definition: defs.h:47
int map_param_set_security_check(bool enable, bool fragments)
Definition: map_api.c:336
u16 mtu
Definition: map.h:82
int map_param_set_icmp6(u8 enable_unreachable)
Definition: map_api.c:299
index_t dpoi_index
the index of objects of that type
Definition: dpo.h:186
vl_api_address_t ip
Definition: l2.api:501
#define FIB_NODE_INDEX_INVALID
Definition: fib_types.h:31
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
clib_error_t * map_plugin_api_hookup(vlib_main_t *vm)
Definition: map_api.c:525
fib_node_index_t fei
The FIB entry index of the next-hop.
Definition: map.h:141
map_domain_extra_t * domain_extras
Definition: map.h:165
VLIB buffer representation.
Definition: buffer.h:102
u64 uword
Definition: types.h:112
#define ip_csum_update(sum, old, new, type, field)
Definition: ip_packet.h:294
u16 tcp_mss
Definition: map.h:183
lpm_t * ip4_prefix_tbl
Definition: map.h:201
A collection of combined counters.
Definition: counter.h:188
u16 port
Definition: lb_types.api:72
uword ip4_sv_reass_custom_next_index
Definition: map.h:205
#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:52
u8 ip4_prefix_len
Definition: map.h:96
vlib_simple_counter_main_t * simple_domain_counters
Definition: map.h:168
#define vnet_buffer(b)
Definition: buffer.h:417
u64 map_error_counter_get(u32 node_index, map_error_t map_error)
Definition: map.c:1036
int map_param_set_tcp(u16 tcp_mss)
Definition: map_api.c:386
int map_delete_domain(u32 map_domain_index)
Definition: map.c:204
static_always_inline u64 map_get_sfx(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:300
u32 map_domain_index
Definition: map.h:243
vlib_node_registration_t ip6_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_fragmented_node)
Definition: ip6_map_t.c:697
vlib_node_registration_t ip6_map_t_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_node)
Definition: ip6_map_t.c:770
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
lpm_t * ip6_prefix_tbl
Definition: map.h:202
map_domain_flags_e
Definition: map.h:58
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:85
struct map_main_pre_resolved_t_ map_main_pre_resolved_t
A pre-resolved next-hop.