FD.io VPP  v21.01.1
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 #ifndef included_map_h
16 #define included_map_h
17 
18 #include <stdbool.h>
19 #include <vppinfra/error.h>
20 #include <vnet/vnet.h>
21 #include <vnet/ip/ip.h>
22 #include <vlib/vlib.h>
23 #include <vnet/fib/fib_types.h>
24 #include <vnet/fib/ip4_fib.h>
25 #include <vnet/adj/adj.h>
26 #include <vnet/dpo/load_balance.h>
27 #include "lpm.h"
28 #include <vppinfra/lock.h>
29 #include <map/map.api_enum.h>
30 
31 #define MAP_SKIP_IP6_LOOKUP 1
32 
33 #define MAP_ERR_GOOD 0
34 #define MAP_ERR_BAD_POOL_SIZE -1
35 #define MAP_ERR_BAD_HT_RATIO -2
36 #define MAP_ERR_BAD_LIFETIME -3
37 #define MAP_ERR_BAD_BUFFERS -4
38 #define MAP_ERR_BAD_BUFFERS_TOO_LARGE -5
39 #define MAP_ERR_UNSUPPORTED -6
40 
41 int map_create_domain (ip4_address_t * ip4_prefix, u8 ip4_prefix_len,
42  ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
43  ip6_address_t * ip6_src, u8 ip6_src_len,
44  u8 ea_bits_len, u8 psid_offset, u8 psid_length,
45  u32 * map_domain_index, u16 mtu, u8 flags, u8 * tag);
46 int map_delete_domain (u32 map_domain_index);
47 int map_add_del_psid (u32 map_domain_index, u16 psid, ip6_address_t * tep,
48  bool is_add);
49 int map_if_enable_disable (bool is_enable, u32 sw_if_index,
50  bool is_translation);
51 u8 *format_map_trace (u8 * s, va_list * args);
52 
53 int map_param_set_fragmentation (bool inner, bool ignore_df);
54 int map_param_set_icmp (ip4_address_t * ip4_err_relay_src);
55 int map_param_set_icmp6 (u8 enable_unreachable);
56 void map_pre_resolve (ip4_address_t * ip4, ip6_address_t * ip6, bool is_del);
57 int map_param_set_security_check (bool enable, bool fragments);
58 int map_param_set_traffic_class (bool copy, u8 tc);
59 int map_param_set_tcp (u16 tcp_mss);
60 
61 
62 typedef enum
63 {
65  MAP_DOMAIN_TRANSLATION = 1 << 1, // The domain uses MAP-T
67 } __attribute__ ((__packed__)) map_domain_flags_e;
68 
69 //#define IP6_MAP_T_OVERRIDE_TOS 0
70 
71 /*
72  * This structure _MUST_ be no larger than a single cache line (64 bytes).
73  * If more space is needed make a union of ip6_prefix and *rules, as
74  * those are mutually exclusive.
75  */
76 typedef struct
77 {
78  /* Required for pool_get_aligned */
79  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
80  ip6_address_t ip6_src;
81  ip6_address_t ip6_prefix;
82  ip6_address_t *rules;
93 
94  /* helpers */
98 
99  /* not used by forwarding */
101 } map_domain_t;
102 
104  "MAP domain fits in one cacheline");
105 
106 /*
107  * Extra data about a domain that doesn't need to be time/space critical.
108  * This structure is in a vector parallel to the main map_domain_t,
109  * and indexed by the same map-domain-index values.
110  */
111 typedef struct
112 {
113  u8 *tag; /* Probably a user-assigned domain name. */
115 
116 #define MAP_REASS_INDEX_NONE ((u16)0xffff)
117 
118 /*
119  * MAP domain counters
120  */
121 typedef enum
122 {
123  /* Simple counters */
125  /* Combined counters */
130 
131 #ifdef MAP_SKIP_IP6_LOOKUP
132 /**
133  * A pre-resolved next-hop
134  */
136 {
137  /**
138  * Linkage into the FIB graph
139  */
141 
142  /**
143  * The FIB entry index of the next-hop
144  */
146 
147  /**
148  * This object sibling index on the FIB entry's child dependency list
149  */
151 
152  /**
153  * The Load-balance object index to use to forward
154  */
157 
158 /**
159  * Pre-resolved next hops for v4 and v6. Why these are global and not
160  * per-domain is beyond me.
161  */
162 extern map_main_pre_resolved_t pre_resolved[FIB_PROTOCOL_MAX];
163 #endif
164 
165 typedef struct
166 {
167  /* pool of MAP domains */
170 
171  /* MAP Domain packet/byte counters indexed by map domain index */
174  volatile u32 *counter_lock;
175 
176  /* API message id base */
178 
179  /* Traffic class: zero, copy (~0) or fixed value */
181  bool tc_copy;
182 
183  bool sec_check; /* Inbound security check */
184  bool sec_check_frag; /* Inbound security check for (subsequent) fragments */
185  bool icmp6_enabled; /* Send destination unreachable for security check failure */
186 
187  u16 tcp_mss; /* TCP MSS clamp value */
188 
189  /* ICMPv6 -> ICMPv4 relay parameters */
192 
193  /* convenience */
196 
197  bool frag_inner; /* Inner or outer fragmentation */
198  bool frag_ignore_df; /* Fragment (outer) packet even if DF is set */
199 
200  /* Graph node state */
203 
204  /* Lookup tables */
208 
210 } map_main_t;
211 
212 typedef vl_counter_map_enum_t map_error_t;
213 u64 map_error_counter_get (u32 node_index, map_error_t map_error);
214 
215 typedef struct
216 {
219 } map_trace_t;
220 
221 always_inline void
223  vlib_buffer_t * b, u32 map_domain_index, u16 port)
224 {
225  map_trace_t *tr = vlib_add_trace (vm, node, b, sizeof (*tr));
226  tr->map_domain_index = map_domain_index;
227  tr->port = port;
228 }
229 
230 extern map_main_t map_main;
231 
234 
239 
244 
245 /*
246  * map_get_pfx
247  */
250 {
251  u16 psid = (port >> d->psid_shift) & d->psid_mask;
252 
253  if (d->ea_bits_len == 0 && d->rules)
254  return clib_net_to_host_u64 (d->rules[psid].as_u64[0]);
255 
256  u32 suffix = (addr >> d->suffix_shift) & d->suffix_mask;
257  u64 ea =
258  d->ea_bits_len == 0 ? 0 : (((u64) suffix << d->psid_length)) | psid;
259 
260  return clib_net_to_host_u64 (d->ip6_prefix.as_u64[0]) | ea << d->ea_shift;
261 }
262 
265 {
266  return clib_host_to_net_u64 (map_get_pfx (d, clib_net_to_host_u32 (addr),
267  clib_net_to_host_u16 (port)));
268 }
269 
270 /*
271  * map_get_sfx
272  */
275 {
276  u16 psid = (port >> d->psid_shift) & d->psid_mask;
277 
278  /* Shared 1:1 mode. */
279  if (d->ea_bits_len == 0 && d->rules)
280  return clib_net_to_host_u64 (d->rules[psid].as_u64[1]);
281  if (d->ip6_prefix_len == 128)
282  return clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]);
283 
284  if (d->ip6_src_len == 96)
285  return (clib_net_to_host_u64 (d->ip6_prefix.as_u64[1]) | addr);
286 
287  /* IPv4 prefix */
288  if (d->flags & MAP_DOMAIN_PREFIX)
289  return (u64) (addr & (0xFFFFFFFF << d->suffix_shift)) << 16;
290 
291  /* Shared or full IPv4 address */
292  return ((u64) addr << 16) | psid;
293 }
294 
297 {
298  return clib_host_to_net_u64 (map_get_sfx (d, clib_net_to_host_u32 (addr),
299  clib_net_to_host_u16 (port)));
300 }
301 
303 map_get_ip4 (ip6_address_t * addr, u16 prefix_len)
304 {
305  ASSERT (prefix_len == 64 || prefix_len == 96);
306  if (prefix_len == 96)
307  return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]));
308  else
309  return clib_host_to_net_u32 (clib_net_to_host_u64 (addr->as_u64[1]) >>
310  16);
311 }
312 
314 ip4_map_get_domain (ip4_address_t * addr, u32 * map_domain_index, u8 * error)
315 {
316  map_main_t *mm = &map_main;
317 
318  u32 mdi = mm->ip4_prefix_tbl->lookup (mm->ip4_prefix_tbl, addr, 32);
319  if (mdi == ~0)
320  {
321  *error = MAP_ERROR_NO_DOMAIN;
322  return 0;
323  }
324  *map_domain_index = mdi;
325  return pool_elt_at_index (mm->domains, mdi);
326 }
327 
328 /*
329  * Get the MAP domain from an IPv6 address.
330  * If the IPv6 address or
331  * prefix is shared the IPv4 address must be used.
332  */
334 ip6_map_get_domain (ip6_address_t * addr, u32 * map_domain_index, u8 * error)
335 {
336  map_main_t *mm = &map_main;
337  u32 mdi =
338  mm->ip6_src_prefix_tbl->lookup (mm->ip6_src_prefix_tbl, addr, 128);
339  if (mdi == ~0)
340  {
341  *error = MAP_ERROR_NO_DOMAIN;
342  return 0;
343  }
344 
345  *map_domain_index = mdi;
346  return pool_elt_at_index (mm->domains, mdi);
347 }
348 
350 
351 void map_ip6_drop_pi (u32 pi);
352 
353 /*
354  * Supports prefix of 96 or 64 (with u-octet)
355  */
358  ip6_address_t * ip6, const ip4_address_t * ip4)
359 {
360  ASSERT (d->ip6_src_len == 96 || d->ip6_src_len == 64); //No support for other lengths for now
361  u8 offset = d->ip6_src_len == 64 ? 9 : 12;
362  ip6->as_u64[0] = d->ip6_src.as_u64[0];
363  ip6->as_u64[1] = d->ip6_src.as_u64[1];
364  clib_memcpy_fast (&ip6->as_u8[offset], ip4, 4);
365 }
366 
369 {
370  ASSERT (d->ip6_src_len == 64 || d->ip6_src_len == 96);
371  u32 x;
372  u8 offset = d->ip6_src_len == 64 ? 9 : 12;
373  clib_memcpy (&x, &addr->as_u8[offset], 4);
374  return x;
375 }
376 
377 static inline void
379 {
380  if (mm->counter_lock)
382  /* zzzz */ ;
383 }
384 
385 static inline void
387 {
388  if (mm->counter_lock)
390 }
391 
392 
396  u32 next)
397 {
398  u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
399  //Deal with fragments that are ready
400  from = pi_vector;
401  n_left_from = vec_len (pi_vector);
402  next_index = node->cached_next_index;
403  while (n_left_from > 0)
404  {
405  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
406  while (n_left_from > 0 && n_left_to_next > 0)
407  {
408  u32 pi0 = to_next[0] = from[0];
409  from += 1;
410  n_left_from -= 1;
411  to_next += 1;
412  n_left_to_next -= 1;
413  vlib_buffer_t *p0 = vlib_get_buffer (vm, pi0);
414  p0->error = *error;
415  vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
416  n_left_to_next, pi0, next);
417  }
418  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
419  }
420 }
421 
424 {
425  u8 *data;
426  u8 opt_len, opts_len, kind;
427  u16 mss;
428  u16 mss_value_net = clib_host_to_net_u16 (mss_clamping);
429 
430  if (!tcp_syn (tcp))
431  return;
432 
433  opts_len = (tcp_doff (tcp) << 2) - sizeof (tcp_header_t);
434  data = (u8 *) (tcp + 1);
435  for (; opts_len > 0; opts_len -= opt_len, data += opt_len)
436  {
437  kind = data[0];
438 
439  if (kind == TCP_OPTION_EOL)
440  break;
441  else if (kind == TCP_OPTION_NOOP)
442  {
443  opt_len = 1;
444  continue;
445  }
446  else
447  {
448  if (opts_len < 2)
449  return;
450  opt_len = data[1];
451 
452  if (opt_len < 2 || opt_len > opts_len)
453  return;
454  }
455 
456  if (kind == TCP_OPTION_MSS)
457  {
458  mss = *(u16 *) (data + 2);
459  if (clib_net_to_host_u16 (mss) > mss_clamping)
460  {
461  *sum =
462  ip_csum_update (*sum, mss, mss_value_net, ip4_header_t,
463  length);
464  clib_memcpy (data + 2, &mss_value_net, 2);
465  }
466  return;
467  }
468  }
469 }
470 
473 {
474 #ifdef MAP_SKIP_IP6_LOOKUP
475  if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP6].fei)
476  {
477  vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
478  pre_resolved[FIB_PROTOCOL_IP6].dpo.dpoi_index;
479  return (true);
480  }
481 #endif
482  return (false);
483 }
484 
487 {
488 #ifdef MAP_SKIP_IP6_LOOKUP
489  if (FIB_NODE_INDEX_INVALID != pre_resolved[FIB_PROTOCOL_IP4].fei)
490  {
491  vnet_buffer (p0)->ip.adj_index[VLIB_TX] =
492  pre_resolved[FIB_PROTOCOL_IP4].dpo.dpoi_index;
493  return (true);
494  }
495 #endif
496  return (false);
497 }
498 
499 #endif
500 /*
501  * fd.io coding-style-patch-verification: ON
502  *
503  * Local Variables:
504  * eval: (c-set-style "gnu")
505  * End:
506  */
int map_param_set_icmp(ip4_address_t *ip4_err_relay_src)
Definition: map_api.c:304
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:222
u8 psid_length
Definition: map.h:92
End of options.
Definition: tcp_packet.h:104
fib_node_t node
Linkage into the FIB graph.
Definition: map.h:140
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
map_domain_flags_e flags
Definition: map.h:87
vl_api_wireguard_peer_flags_t flags
Definition: wireguard.api:105
vlib_node_registration_t ip4_map_t_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_node)
Definition: ip4_map_t.c:758
static_always_inline u64 map_get_pfx(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:249
volatile u32 * counter_lock
Definition: map.h:174
vlib_node_registration_t ip4_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_icmp_node)
Definition: ip4_map_t.c:716
int map_if_enable_disable(bool is_enable, u32 sw_if_index, bool is_translation)
Definition: map_api.c:482
unsigned long u64
Definition: types.h:89
u16 msg_id_base
Definition: map.h:177
#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:155
vlib_main_t * vlib_main
Definition: map.h:194
#define tcp_doff(_th)
Definition: tcp_packet.h:78
u8 tc
Definition: map.h:180
static_always_inline map_domain_t * ip6_map_get_domain(ip6_address_t *addr, u32 *map_domain_index, u8 *error)
Definition: map.h:334
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:135
manual_print typedef ip4_prefix
Definition: ip_types.api:130
static void map_domain_counter_unlock(map_main_t *mm)
Definition: map.h:386
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:314
u32 suffix_mask
Definition: map.h:83
bool sec_check_frag
Definition: map.h:184
uword ip_csum_t
Definition: ip_packet.h:246
static_always_inline bool ip6_map_ip4_lookup_bypass(vlib_buffer_t *p0, ip4_header_t *ip)
Definition: map.h:486
uword * bm_trans_enabled_by_sw_if
Definition: map.h:201
No operation.
Definition: tcp_packet.h:105
struct _tcp_header tcp_header_t
vhost_vring_addr_t addr
Definition: vhost_user.h:111
unsigned char u8
Definition: types.h:56
u8 data[128]
Definition: ipsec_types.api:90
u16 port
Definition: map.h:218
#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:735
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:357
manual_print typedef ip6_prefix
Definition: ip_types.api:125
static_always_inline u32 ip6_map_t_embedded_address(map_domain_t *d, ip6_address_t *addr)
Definition: map.h:368
bool tc_copy
Definition: map.h:181
#define static_always_inline
Definition: clib.h:109
static_always_inline u32 map_get_ip4(ip6_address_t *addr, u16 prefix_len)
Definition: map.h:303
vl_api_ip6_address_t ip6
Definition: one.api:424
vlib_combined_counter_main_t * domain_counters
Definition: map.h:173
ip4_address_t icmp4_src_address
Definition: map.h:190
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:394
vlib_simple_counter_main_t icmp_relayed
Definition: map.h:191
const cJSON *const b
Definition: cJSON.h:255
ip6_address_t * rules
Definition: map.h:82
u8 ea_bits_len
Definition: map.h:90
unsigned int u32
Definition: types.h:88
A collection of simple counters.
Definition: counter.h:57
u8 ip6_prefix_len
Definition: map.h:88
#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
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
Definition: cJSON.c:84
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:546
#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:198
int map_param_set_traffic_class(bool copy, u8 tc)
Definition: map_api.c:393
static_always_inline u64 map_get_pfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:264
unsigned short u16
Definition: types.h:57
map_domain_t * domains
Definition: map.h:168
static_always_inline u64 map_get_sfx_net(map_domain_t *d, u32 addr, u16 port)
Definition: map.h:296
static void mss_clamping(u16 mss_clamping, tcp_header_t *tcp, ip_csum_t *sum)
Definition: nat_inlines.h:32
#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:89
#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:391
u8 psid_shift
Definition: map.h:95
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:737
u8 suffix_shift
Definition: map.h:96
vlib_node_registration_t ip4_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip4_map_t_fragmented_node)
Definition: ip4_map_t.c:695
vl_counter_map_enum_t map_error_t
Definition: map.h:212
lpm_t * ip6_src_prefix_tbl
Definition: map.h:207
ip4_address_t ip4_prefix
Definition: map.h:84
vlib_node_registration_t ip6_map_t_icmp_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_icmp_node)
Definition: ip6_map_t.c:713
uword * bm_encap_enabled_by_sw_if
Definition: map.h:202
u8 psid_offset
Definition: map.h:91
bool icmp6_enabled
Definition: map.h:185
int map_param_set_fragmentation(bool inner, bool ignore_df)
Definition: map_api.c:279
u32 sibling
This object sibling index on the FIB entry&#39;s child dependency list.
Definition: map.h:150
u32 fib_node_index_t
A typedef of a node index.
Definition: fib_types.h:29
map_domain_counter_t
Definition: map.h:121
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
ip6_address_t ip6_src
Definition: map.h:80
static void map_domain_counter_lock(map_main_t *mm)
Definition: map.h:378
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:337
u16 cached_next_index
Next frame index that vector arguments were last enqueued to last time this node ran.
Definition: node.h:511
#define ASSERT(truth)
vlib_node_registration_t ip6_map_node
(constructor) VLIB_REGISTER_NODE (ip6_map_node)
Definition: ip6_map.c:815
#define tcp_syn(_th)
Definition: tcp_packet.h:80
bool sec_check
Definition: map.h:183
bool frag_inner
Definition: map.h:197
static_always_inline bool ip4_map_ip6_lookup_bypass(vlib_buffer_t *p0, ip4_header_t *ip)
Definition: map.h:472
u16 psid_mask
Definition: map.h:85
char const int length
Definition: cJSON.h:163
u8 ea_shift
Definition: map.h:97
void map_ip6_drop_pi(u32 pi)
Definition: ip6_map.c:542
ip6_address_t ip6_prefix
Definition: map.h:81
static_always_inline void map_mss_clamping(tcp_header_t *tcp, ip_csum_t *sum, u16 mss_clamping)
Definition: map.h:423
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:195
Definition: defs.h:47
int map_param_set_security_check(bool enable, bool fragments)
Definition: map_api.c:368
u16 mtu
Definition: map.h:86
int map_param_set_icmp6(u8 enable_unreachable)
Definition: map_api.c:331
index_t dpoi_index
the index of objects of that type
Definition: dpo.h:188
vl_api_address_t ip
Definition: l2.api:501
#define FIB_NODE_INDEX_INVALID
Definition: fib_types.h:30
#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:557
fib_node_index_t fei
The FIB entry index of the next-hop.
Definition: map.h:145
map_domain_extra_t * domain_extras
Definition: map.h:169
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:296
u16 tcp_mss
Definition: map.h:187
lpm_t * ip4_prefix_tbl
Definition: map.h:205
A collection of combined counters.
Definition: counter.h:207
u16 port
Definition: lb_types.api:73
uword ip4_sv_reass_custom_next_index
Definition: map.h:209
#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:100
vlib_simple_counter_main_t * simple_domain_counters
Definition: map.h:172
#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:418
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:274
u32 map_domain_index
Definition: map.h:217
void * vlib_add_trace(vlib_main_t *vm, vlib_node_runtime_t *r, vlib_buffer_t *b, u32 n_data_bytes)
Definition: trace.c:634
vlib_node_registration_t ip6_map_t_fragmented_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_fragmented_node)
Definition: ip6_map_t.c:691
vlib_node_registration_t ip6_map_t_node
(constructor) VLIB_REGISTER_NODE (ip6_map_t_node)
Definition: ip6_map_t.c:764
#define CLIB_CACHE_LINE_BYTES
Definition: cache.h:59
lpm_t * ip6_prefix_tbl
Definition: map.h:206
map_domain_flags_e
Definition: map.h:62
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.
vl_api_interface_index_t sw_if_index
Definition: wireguard.api:34