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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <vnet/ip/ip_frag.h>
18 #include <vnet/ip/ip4_to_ip6.h>
20 #define IP4_MAP_T_DUAL_LOOP 1
24 IP4_MAPT_NEXT_MAPT_TCP_UDP,
25 IP4_MAPT_NEXT_MAPT_ICMP,
26 IP4_MAPT_NEXT_MAPT_FRAGMENTED,
33 IP4_MAPT_ICMP_NEXT_IP6_LOOKUP,
34 IP4_MAPT_ICMP_NEXT_IP6_FRAG,
35 IP4_MAPT_ICMP_NEXT_DROP,
37 } ip4_mapt_icmp_next_t;
41 IP4_MAPT_TCP_UDP_NEXT_IP6_LOOKUP,
42 IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG,
43 IP4_MAPT_TCP_UDP_NEXT_DROP,
44 IP4_MAPT_TCP_UDP_N_NEXT
45 } ip4_mapt_tcp_udp_next_t;
49 IP4_MAPT_FRAGMENTED_NEXT_IP6_LOOKUP,
50 IP4_MAPT_FRAGMENTED_NEXT_IP6_FRAG,
51 IP4_MAPT_FRAGMENTED_NEXT_DROP,
52 IP4_MAPT_FRAGMENTED_N_NEXT
53 } ip4_mapt_fragmented_next_t;
55 //This is used to pass information within the buffer data.
56 //Buffer structure being too small to contain big structures like this.
58 typedef CLIB_PACKED (struct {
61 //IPv6 header + Fragmentation header will be here
62 //sizeof(ip6) + sizeof(ip_frag) - sizeof(ip4)
64 }) ip4_mapt_pseudo_header_t;
68 static_always_inline int
69 ip4_map_fragment_cache (ip4_header_t * ip4, u16 port)
72 map_ip4_reass_lock ();
74 map_ip4_reass_get (ip4->src_address.as_u32, ip4->dst_address.as_u32,
77 IP_PROTOCOL_ICMP) ? IP_PROTOCOL_ICMP6 : ip4->protocol,
82 map_ip4_reass_unlock ();
86 static_always_inline i32
87 ip4_map_fragment_get_port (ip4_header_t * ip4)
90 map_ip4_reass_lock ();
92 map_ip4_reass_get (ip4->src_address.as_u32, ip4->dst_address.as_u32,
95 IP_PROTOCOL_ICMP) ? IP_PROTOCOL_ICMP6 : ip4->protocol,
97 i32 ret = r ? r->port : -1;
98 map_ip4_reass_unlock ();
106 } icmp_to_icmp6_ctx_t;
109 ip4_to_ip6_set_icmp_cb (ip4_header_t * ip4, ip6_header_t * ip6, void *arg)
111 icmp_to_icmp6_ctx_t *ctx = arg;
113 ip4_map_t_embedded_address (ctx->d, &ip6->src_address, &ip4->src_address);
114 ip6->dst_address.as_u64[0] =
115 map_get_pfx_net (ctx->d, ip4->dst_address.as_u32, ctx->recv_port);
116 ip6->dst_address.as_u64[1] =
117 map_get_sfx_net (ctx->d, ip4->dst_address.as_u32, ctx->recv_port);
123 ip4_to_ip6_set_inner_icmp_cb (ip4_header_t * ip4, ip6_header_t * ip6,
126 icmp_to_icmp6_ctx_t *ctx = arg;
128 //Note that the source address is within the domain
129 //while the destination address is the one outside the domain
130 ip4_map_t_embedded_address (ctx->d, &ip6->dst_address, &ip4->dst_address);
131 ip6->src_address.as_u64[0] =
132 map_get_pfx_net (ctx->d, ip4->src_address.as_u32, ctx->recv_port);
133 ip6->src_address.as_u64[1] =
134 map_get_sfx_net (ctx->d, ip4->src_address.as_u32, ctx->recv_port);
140 ip4_map_t_icmp (vlib_main_t * vm,
141 vlib_node_runtime_t * node, vlib_frame_t * frame)
143 u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
144 vlib_node_runtime_t *error_node =
145 vlib_node_get_runtime (vm, ip4_map_t_icmp_node.index);
146 from = vlib_frame_vector_args (frame);
147 n_left_from = frame->n_vectors;
148 next_index = node->cached_next_index;
149 vlib_combined_counter_main_t *cm = map_main.domain_counters;
150 u32 thread_index = vm->thread_index;
152 while (n_left_from > 0)
154 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
156 while (n_left_from > 0 && n_left_to_next > 0)
160 ip4_mapt_icmp_next_t next0;
164 icmp_to_icmp6_ctx_t ctx0;
167 next0 = IP4_MAPT_ICMP_NEXT_IP6_LOOKUP;
168 pi0 = to_next[0] = from[0];
173 error0 = MAP_ERROR_NONE;
175 p0 = vlib_get_buffer (vm, pi0);
176 vlib_buffer_advance (p0, sizeof (ip4_mapt_pseudo_header_t)); //The pseudo-header is not used
178 clib_net_to_host_u16 (((ip4_header_t *)
179 vlib_buffer_get_current (p0))->length);
181 pool_elt_at_index (map_main.domains,
182 vnet_buffer (p0)->map_t.map_domain_index);
184 ip40 = vlib_buffer_get_current (p0);
185 ctx0.recv_port = ip4_get_port (ip40, 1);
187 if (ctx0.recv_port == 0)
189 // In case of 1:1 mapping, we don't care about the port
190 if (!(d0->ea_bits_len == 0 && d0->rules))
192 error0 = MAP_ERROR_ICMP;
198 (p0, ip4_to_ip6_set_icmp_cb, &ctx0,
199 ip4_to_ip6_set_inner_icmp_cb, &ctx0))
201 error0 = MAP_ERROR_ICMP;
205 if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
207 vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
208 vnet_buffer (p0)->ip_frag.next_index = IP6_FRAG_NEXT_IP6_LOOKUP;
209 next0 = IP4_MAPT_ICMP_NEXT_IP6_FRAG;
212 if (PREDICT_TRUE (error0 == MAP_ERROR_NONE))
214 vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
217 map_t.map_domain_index, 1,
222 next0 = IP4_MAPT_ICMP_NEXT_DROP;
224 p0->error = error_node->errors[error0];
225 vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
226 to_next, n_left_to_next, pi0,
229 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
231 return frame->n_vectors;
235 ip4_to_ip6_set_cb (ip4_header_t * ip4, ip6_header_t * ip6, void *ctx)
237 ip4_mapt_pseudo_header_t *pheader = ctx;
239 ip6->dst_address.as_u64[0] = pheader->daddr.as_u64[0];
240 ip6->dst_address.as_u64[1] = pheader->daddr.as_u64[1];
241 ip6->src_address.as_u64[0] = pheader->saddr.as_u64[0];
242 ip6->src_address.as_u64[1] = pheader->saddr.as_u64[1];
248 ip4_map_t_fragmented (vlib_main_t * vm,
249 vlib_node_runtime_t * node, vlib_frame_t * frame)
251 u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
252 from = vlib_frame_vector_args (frame);
253 n_left_from = frame->n_vectors;
254 next_index = node->cached_next_index;
255 vlib_node_runtime_t *error_node =
256 vlib_node_get_runtime (vm, ip4_map_t_fragmented_node.index);
258 while (n_left_from > 0)
260 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
262 while (n_left_from > 0 && n_left_to_next > 0)
266 ip4_mapt_pseudo_header_t *pheader0;
267 ip4_mapt_fragmented_next_t next0;
269 next0 = IP4_MAPT_FRAGMENTED_NEXT_IP6_LOOKUP;
270 pi0 = to_next[0] = from[0];
276 p0 = vlib_get_buffer (vm, pi0);
278 //Accessing pseudo header
279 pheader0 = vlib_buffer_get_current (p0);
280 vlib_buffer_advance (p0, sizeof (*pheader0));
282 if (ip4_to_ip6_fragmented (p0, ip4_to_ip6_set_cb, pheader0))
284 p0->error = error_node->errors[MAP_ERROR_FRAGMENT_DROPPED];
285 next0 = IP4_MAPT_FRAGMENTED_NEXT_DROP;
289 if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
291 vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
292 vnet_buffer (p0)->ip_frag.next_index =
293 IP6_FRAG_NEXT_IP6_LOOKUP;
294 next0 = IP4_MAPT_FRAGMENTED_NEXT_IP6_FRAG;
298 vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
299 to_next, n_left_to_next, pi0,
302 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
304 return frame->n_vectors;
308 ip4_map_t_tcp_udp (vlib_main_t * vm,
309 vlib_node_runtime_t * node, vlib_frame_t * frame)
311 u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
312 from = vlib_frame_vector_args (frame);
313 n_left_from = frame->n_vectors;
314 next_index = node->cached_next_index;
315 vlib_node_runtime_t *error_node =
316 vlib_node_get_runtime (vm, ip4_map_t_tcp_udp_node.index);
319 while (n_left_from > 0)
321 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
323 #ifdef IP4_MAP_T_DUAL_LOOP
324 while (n_left_from >= 4 && n_left_to_next >= 2)
327 vlib_buffer_t *p0, *p1;
328 ip4_mapt_pseudo_header_t *pheader0, *pheader1;
329 ip4_mapt_tcp_udp_next_t next0, next1;
331 pi0 = to_next[0] = from[0];
332 pi1 = to_next[1] = from[1];
338 next0 = IP4_MAPT_TCP_UDP_NEXT_IP6_LOOKUP;
339 next1 = IP4_MAPT_TCP_UDP_NEXT_IP6_LOOKUP;
340 p0 = vlib_get_buffer (vm, pi0);
341 p1 = vlib_get_buffer (vm, pi1);
343 //Accessing pseudo header
344 pheader0 = vlib_buffer_get_current (p0);
345 pheader1 = vlib_buffer_get_current (p1);
346 vlib_buffer_advance (p0, sizeof (*pheader0));
347 vlib_buffer_advance (p1, sizeof (*pheader1));
349 if (ip4_to_ip6_tcp_udp (p0, ip4_to_ip6_set_cb, pheader0))
351 p0->error = error_node->errors[MAP_ERROR_UNKNOWN];
352 next0 = IP4_MAPT_TCP_UDP_NEXT_DROP;
356 if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
358 //Send to fragmentation node if necessary
359 vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
360 vnet_buffer (p0)->ip_frag.next_index =
361 IP6_FRAG_NEXT_IP6_LOOKUP;
362 next0 = IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG;
366 if (ip4_to_ip6_tcp_udp (p1, ip4_to_ip6_set_cb, pheader1))
368 p1->error = error_node->errors[MAP_ERROR_UNKNOWN];
369 next1 = IP4_MAPT_TCP_UDP_NEXT_DROP;
373 if (vnet_buffer (p1)->map_t.mtu < p1->current_length)
375 //Send to fragmentation node if necessary
376 vnet_buffer (p1)->ip_frag.mtu = vnet_buffer (p1)->map_t.mtu;
377 vnet_buffer (p1)->ip_frag.next_index =
378 IP6_FRAG_NEXT_IP6_LOOKUP;
379 next1 = IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG;
383 vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
384 to_next, n_left_to_next, pi0, pi1,
389 while (n_left_from > 0 && n_left_to_next > 0)
393 ip4_mapt_pseudo_header_t *pheader0;
394 ip4_mapt_tcp_udp_next_t next0;
396 pi0 = to_next[0] = from[0];
402 next0 = IP4_MAPT_TCP_UDP_NEXT_IP6_LOOKUP;
403 p0 = vlib_get_buffer (vm, pi0);
405 //Accessing pseudo header
406 pheader0 = vlib_buffer_get_current (p0);
407 vlib_buffer_advance (p0, sizeof (*pheader0));
409 if (ip4_to_ip6_tcp_udp (p0, ip4_to_ip6_set_cb, pheader0))
411 p0->error = error_node->errors[MAP_ERROR_UNKNOWN];
412 next0 = IP4_MAPT_TCP_UDP_NEXT_DROP;
416 if (vnet_buffer (p0)->map_t.mtu < p0->current_length)
418 //Send to fragmentation node if necessary
419 vnet_buffer (p0)->ip_frag.mtu = vnet_buffer (p0)->map_t.mtu;
420 vnet_buffer (p0)->ip_frag.next_index =
421 IP6_FRAG_NEXT_IP6_LOOKUP;
422 next0 = IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG;
425 vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
426 to_next, n_left_to_next, pi0,
429 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
432 return frame->n_vectors;
435 static_always_inline void
436 ip4_map_t_classify (vlib_buffer_t * p0, map_domain_t * d0,
437 ip4_header_t * ip40, u16 ip4_len0, i32 * dst_port0,
438 u8 * error0, ip4_mapt_next_t * next0)
440 if (PREDICT_FALSE (ip4_get_fragment_offset (ip40)))
442 *next0 = IP4_MAPT_NEXT_MAPT_FRAGMENTED;
443 if (d0->ea_bits_len == 0 && d0->rules)
449 *dst_port0 = ip4_map_fragment_get_port (ip40);
450 *error0 = (*dst_port0 == -1) ? MAP_ERROR_FRAGMENT_MEMORY : *error0;
453 else if (PREDICT_TRUE (ip40->protocol == IP_PROTOCOL_TCP))
455 vnet_buffer (p0)->map_t.checksum_offset = 36;
456 *next0 = IP4_MAPT_NEXT_MAPT_TCP_UDP;
457 *error0 = ip4_len0 < 40 ? MAP_ERROR_MALFORMED : *error0;
458 *dst_port0 = (i32) * ((u16 *) u8_ptr_add (ip40, sizeof (*ip40) + 2));
460 else if (PREDICT_TRUE (ip40->protocol == IP_PROTOCOL_UDP))
462 vnet_buffer (p0)->map_t.checksum_offset = 26;
463 *next0 = IP4_MAPT_NEXT_MAPT_TCP_UDP;
464 *error0 = ip4_len0 < 28 ? MAP_ERROR_MALFORMED : *error0;
465 *dst_port0 = (i32) * ((u16 *) u8_ptr_add (ip40, sizeof (*ip40) + 2));
467 else if (ip40->protocol == IP_PROTOCOL_ICMP)
469 *next0 = IP4_MAPT_NEXT_MAPT_ICMP;
470 if (d0->ea_bits_len == 0 && d0->rules)
472 else if (((icmp46_header_t *) u8_ptr_add (ip40, sizeof (*ip40)))->code
474 || ((icmp46_header_t *)
476 sizeof (*ip40)))->code == ICMP4_echo_request)
477 *dst_port0 = (i32) * ((u16 *) u8_ptr_add (ip40, sizeof (*ip40) + 6));
481 *error0 = MAP_ERROR_BAD_PROTOCOL;
486 ip4_map_t (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame)
488 u32 n_left_from, *from, next_index, *to_next, n_left_to_next;
489 vlib_node_runtime_t *error_node =
490 vlib_node_get_runtime (vm, ip4_map_t_node.index);
491 from = vlib_frame_vector_args (frame);
492 n_left_from = frame->n_vectors;
493 next_index = node->cached_next_index;
494 vlib_combined_counter_main_t *cm = map_main.domain_counters;
495 u32 thread_index = vm->thread_index;
497 while (n_left_from > 0)
499 vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
501 #ifdef IP4_MAP_T_DUAL_LOOP
502 while (n_left_from >= 4 && n_left_to_next >= 2)
505 vlib_buffer_t *p0, *p1;
506 ip4_header_t *ip40, *ip41;
507 map_domain_t *d0, *d1;
508 ip4_mapt_next_t next0 = 0, next1 = 0;
509 u16 ip4_len0, ip4_len1;
511 i32 dst_port0, dst_port1;
512 ip4_mapt_pseudo_header_t *pheader0, *pheader1;
514 pi0 = to_next[0] = from[0];
515 pi1 = to_next[1] = from[1];
520 error0 = MAP_ERROR_NONE;
521 error1 = MAP_ERROR_NONE;
523 p0 = vlib_get_buffer (vm, pi0);
524 p1 = vlib_get_buffer (vm, pi1);
525 ip40 = vlib_buffer_get_current (p0);
526 ip41 = vlib_buffer_get_current (p1);
527 ip4_len0 = clib_host_to_net_u16 (ip40->length);
528 ip4_len1 = clib_host_to_net_u16 (ip41->length);
530 if (PREDICT_FALSE (p0->current_length < ip4_len0 ||
531 ip40->ip_version_and_header_length != 0x45))
533 error0 = MAP_ERROR_UNKNOWN;
534 next0 = IP4_MAPT_NEXT_DROP;
537 if (PREDICT_FALSE (p1->current_length < ip4_len1 ||
538 ip41->ip_version_and_header_length != 0x45))
540 error1 = MAP_ERROR_UNKNOWN;
541 next1 = IP4_MAPT_NEXT_DROP;
544 vnet_buffer (p0)->map_t.map_domain_index =
545 vnet_buffer (p0)->ip.adj_index[VLIB_TX];
546 d0 = ip4_map_get_domain (vnet_buffer (p0)->map_t.map_domain_index);
547 vnet_buffer (p1)->map_t.map_domain_index =
548 vnet_buffer (p1)->ip.adj_index[VLIB_TX];
549 d1 = ip4_map_get_domain (vnet_buffer (p1)->map_t.map_domain_index);
551 vnet_buffer (p0)->map_t.mtu = d0->mtu ? d0->mtu : ~0;
552 vnet_buffer (p1)->map_t.mtu = d1->mtu ? d1->mtu : ~0;
557 ip4_map_t_classify (p0, d0, ip40, ip4_len0, &dst_port0, &error0,
559 ip4_map_t_classify (p1, d1, ip41, ip4_len1, &dst_port1, &error1,
562 //Add MAP-T pseudo header in front of the packet
563 vlib_buffer_advance (p0, -sizeof (*pheader0));
564 vlib_buffer_advance (p1, -sizeof (*pheader1));
565 pheader0 = vlib_buffer_get_current (p0);
566 pheader1 = vlib_buffer_get_current (p1);
568 //Save addresses within the packet
569 ip4_map_t_embedded_address (d0, &pheader0->saddr,
571 ip4_map_t_embedded_address (d1, &pheader1->saddr,
573 pheader0->daddr.as_u64[0] =
574 map_get_pfx_net (d0, ip40->dst_address.as_u32, (u16) dst_port0);
575 pheader0->daddr.as_u64[1] =
576 map_get_sfx_net (d0, ip40->dst_address.as_u32, (u16) dst_port0);
577 pheader1->daddr.as_u64[0] =
578 map_get_pfx_net (d1, ip41->dst_address.as_u32, (u16) dst_port1);
579 pheader1->daddr.as_u64[1] =
580 map_get_sfx_net (d1, ip41->dst_address.as_u32, (u16) dst_port1);
583 (ip4_is_first_fragment (ip40) && (dst_port0 != -1)
584 && (d0->ea_bits_len != 0 || !d0->rules)
585 && ip4_map_fragment_cache (ip40, dst_port0)))
587 error0 = MAP_ERROR_FRAGMENT_MEMORY;
591 (ip4_is_first_fragment (ip41) && (dst_port1 != -1)
592 && (d1->ea_bits_len != 0 || !d1->rules)
593 && ip4_map_fragment_cache (ip41, dst_port1)))
595 error1 = MAP_ERROR_FRAGMENT_MEMORY;
599 (error0 == MAP_ERROR_NONE && next0 != IP4_MAPT_NEXT_MAPT_ICMP))
601 vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
604 map_t.map_domain_index, 1,
610 (error1 == MAP_ERROR_NONE && next1 != IP4_MAPT_NEXT_MAPT_ICMP))
612 vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
615 map_t.map_domain_index, 1,
620 next0 = (error0 != MAP_ERROR_NONE) ? IP4_MAPT_NEXT_DROP : next0;
621 next1 = (error1 != MAP_ERROR_NONE) ? IP4_MAPT_NEXT_DROP : next1;
622 p0->error = error_node->errors[error0];
623 p1->error = error_node->errors[error1];
624 vlib_validate_buffer_enqueue_x2 (vm, node, next_index, to_next,
625 n_left_to_next, pi0, pi1, next0,
630 while (n_left_from > 0 && n_left_to_next > 0)
636 ip4_mapt_next_t next0;
640 ip4_mapt_pseudo_header_t *pheader0;
642 pi0 = to_next[0] = from[0];
647 error0 = MAP_ERROR_NONE;
649 p0 = vlib_get_buffer (vm, pi0);
650 ip40 = vlib_buffer_get_current (p0);
651 ip4_len0 = clib_host_to_net_u16 (ip40->length);
652 if (PREDICT_FALSE (p0->current_length < ip4_len0 ||
653 ip40->ip_version_and_header_length != 0x45))
655 error0 = MAP_ERROR_UNKNOWN;
656 next0 = IP4_MAPT_NEXT_DROP;
659 vnet_buffer (p0)->map_t.map_domain_index =
660 vnet_buffer (p0)->ip.adj_index[VLIB_TX];
661 d0 = ip4_map_get_domain (vnet_buffer (p0)->map_t.map_domain_index);
663 vnet_buffer (p0)->map_t.mtu = d0->mtu ? d0->mtu : ~0;
666 ip4_map_t_classify (p0, d0, ip40, ip4_len0, &dst_port0, &error0,
669 /* Verify that port is not among the well-known ports */
670 if ((d0->psid_length > 0 && d0->psid_offset > 0)
671 && (clib_net_to_host_u16 (dst_port0) <
672 (0x1 << (16 - d0->psid_offset))))
674 error0 = MAP_ERROR_SEC_CHECK;
677 //Add MAP-T pseudo header in front of the packet
678 vlib_buffer_advance (p0, -sizeof (*pheader0));
679 pheader0 = vlib_buffer_get_current (p0);
681 //Save addresses within the packet
682 ip4_map_t_embedded_address (d0, &pheader0->saddr,
684 pheader0->daddr.as_u64[0] =
685 map_get_pfx_net (d0, ip40->dst_address.as_u32, (u16) dst_port0);
686 pheader0->daddr.as_u64[1] =
687 map_get_sfx_net (d0, ip40->dst_address.as_u32, (u16) dst_port0);
689 //It is important to cache at this stage because the result might be necessary
690 //for packets within the same vector.
691 //Actually, this approach even provides some limited out-of-order fragments support
693 (ip4_is_first_fragment (ip40) && (dst_port0 != -1)
694 && (d0->ea_bits_len != 0 || !d0->rules)
695 && ip4_map_fragment_cache (ip40, dst_port0)))
697 error0 = MAP_ERROR_UNKNOWN;
701 (error0 == MAP_ERROR_NONE && next0 != IP4_MAPT_NEXT_MAPT_ICMP))
703 vlib_increment_combined_counter (cm + MAP_DOMAIN_COUNTER_TX,
706 map_t.map_domain_index, 1,
711 next0 = (error0 != MAP_ERROR_NONE) ? IP4_MAPT_NEXT_DROP : next0;
712 p0->error = error_node->errors[error0];
713 vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
714 to_next, n_left_to_next, pi0,
717 vlib_put_next_frame (vm, node, next_index, n_left_to_next);
719 return frame->n_vectors;
722 static char *map_t_error_strings[] = {
723 #define _(sym,string) string,
729 VLIB_REGISTER_NODE(ip4_map_t_fragmented_node) = {
730 .function = ip4_map_t_fragmented,
731 .name = "ip4-map-t-fragmented",
732 .vector_size = sizeof(u32),
733 .format_trace = format_map_trace,
734 .type = VLIB_NODE_TYPE_INTERNAL,
736 .n_errors = MAP_N_ERROR,
737 .error_strings = map_t_error_strings,
739 .n_next_nodes = IP4_MAPT_FRAGMENTED_N_NEXT,
741 [IP4_MAPT_FRAGMENTED_NEXT_IP6_LOOKUP] = "ip6-lookup",
742 [IP4_MAPT_FRAGMENTED_NEXT_IP6_FRAG] = IP6_FRAG_NODE_NAME,
743 [IP4_MAPT_FRAGMENTED_NEXT_DROP] = "error-drop",
749 VLIB_REGISTER_NODE(ip4_map_t_icmp_node) = {
750 .function = ip4_map_t_icmp,
751 .name = "ip4-map-t-icmp",
752 .vector_size = sizeof(u32),
753 .format_trace = format_map_trace,
754 .type = VLIB_NODE_TYPE_INTERNAL,
756 .n_errors = MAP_N_ERROR,
757 .error_strings = map_t_error_strings,
759 .n_next_nodes = IP4_MAPT_ICMP_N_NEXT,
761 [IP4_MAPT_ICMP_NEXT_IP6_LOOKUP] = "ip6-lookup",
762 [IP4_MAPT_ICMP_NEXT_IP6_FRAG] = IP6_FRAG_NODE_NAME,
763 [IP4_MAPT_ICMP_NEXT_DROP] = "error-drop",
769 VLIB_REGISTER_NODE(ip4_map_t_tcp_udp_node) = {
770 .function = ip4_map_t_tcp_udp,
771 .name = "ip4-map-t-tcp-udp",
772 .vector_size = sizeof(u32),
773 .format_trace = format_map_trace,
774 .type = VLIB_NODE_TYPE_INTERNAL,
776 .n_errors = MAP_N_ERROR,
777 .error_strings = map_t_error_strings,
779 .n_next_nodes = IP4_MAPT_TCP_UDP_N_NEXT,
781 [IP4_MAPT_TCP_UDP_NEXT_IP6_LOOKUP] = "ip6-lookup",
782 [IP4_MAPT_TCP_UDP_NEXT_IP6_FRAG] = IP6_FRAG_NODE_NAME,
783 [IP4_MAPT_TCP_UDP_NEXT_DROP] = "error-drop",
789 VLIB_REGISTER_NODE(ip4_map_t_node) = {
790 .function = ip4_map_t,
792 .vector_size = sizeof(u32),
793 .format_trace = format_map_trace,
794 .type = VLIB_NODE_TYPE_INTERNAL,
796 .n_errors = MAP_N_ERROR,
797 .error_strings = map_t_error_strings,
799 .n_next_nodes = IP4_MAPT_N_NEXT,
801 [IP4_MAPT_NEXT_MAPT_TCP_UDP] = "ip4-map-t-tcp-udp",
802 [IP4_MAPT_NEXT_MAPT_ICMP] = "ip4-map-t-icmp",
803 [IP4_MAPT_NEXT_MAPT_FRAGMENTED] = "ip4-map-t-fragmented",
804 [IP4_MAPT_NEXT_DROP] = "error-drop",
810 * fd.io coding-style-patch-verification: ON
813 * eval: (c-set-style "gnu")