src/vnet/ip/icmp6.h

   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_vnet_icmp6_h
  16 #define included_vnet_icmp6_h
  17
  18 #include <vnet/ip/icmp46_packet.h>
  19
  20 #define foreach_icmp6_error                                             \
  21   _ (NONE, "valid packets")                                             \
  22   _ (UNKNOWN_TYPE, "unknown type")                                      \
  23   _ (INVALID_CODE_FOR_TYPE, "invalid code for type")                    \
  24   _ (INVALID_HOP_LIMIT_FOR_TYPE, "hop_limit != 255")                    \
  25   _ (LENGTH_TOO_SMALL_FOR_TYPE, "payload length too small for type")    \
  26   _ (OPTIONS_WITH_ODD_LENGTH,                                           \
  27      "total option length not multiple of 8 bytes")                     \
  28   _ (OPTION_WITH_ZERO_LENGTH, "option has zero length")                 \
  29   _ (ECHO_REPLIES_SENT, "echo replies sent")                            \
  30   _ (NEIGHBOR_SOLICITATION_SOURCE_NOT_ON_LINK,                          \
  31      "neighbor solicitations from source not on link")                  \
  32   _ (NEIGHBOR_SOLICITATION_SOURCE_UNKNOWN,                              \
  33      "neighbor solicitations for unknown targets")                      \
  34   _ (NEIGHBOR_ADVERTISEMENTS_TX, "neighbor advertisements sent")        \
  35   _ (NEIGHBOR_ADVERTISEMENTS_RX, "neighbor advertisements received")    \
  36   _ (ROUTER_SOLICITATION_SOURCE_NOT_ON_LINK,                            \
  37      "router solicitations from source not on link")                    \
  38   _ (ROUTER_SOLICITATION_UNSUPPORTED_INTF,                              \
  39      "neighbor discovery unsupported  interface")                       \
  40   _ (ROUTER_SOLICITATION_RADV_NOT_CONFIG,                               \
  41      "neighbor discovery not configured")                               \
  42   _ (ROUTER_ADVERTISEMENT_SOURCE_NOT_LINK_LOCAL,                        \
  43      "router advertisement source not link local")                      \
  44   _ (ROUTER_ADVERTISEMENTS_TX, "router advertisements sent")            \
  45   _ (ROUTER_ADVERTISEMENTS_RX, "router advertisements received")        \
  46   _ (DST_LOOKUP_MISS, "icmp6 dst address lookup misses")                \
  47   _ (DEST_UNREACH_SENT, "destination unreachable response sent")        \
  48   _ (PACKET_TOO_BIG_SENT, "packet too big response sent")               \
  49   _ (TTL_EXPIRE_SENT, "hop limit exceeded response sent")               \
  50   _ (PARAM_PROBLEM_SENT, "parameter problem response sent")             \
  51   _ (DROP, "error message dropped")                                     \
  52   _ (ALLOC_FAILURE, "buffer allocation failure")
  53
  54
  55 typedef enum
  56 {
  57 #define _(f,s) ICMP6_ERROR_##f,
  58   foreach_icmp6_error
  59 #undef _
  60 } icmp6_error_t;
  61
  62 typedef struct
  63 {
  64   u8 packet_data[64];
  65 } icmp6_input_trace_t;
  66
  67 format_function_t format_icmp6_input_trace;
  68 void icmp6_register_type (vlib_main_t * vm, icmp6_type_t type,
  69                           u32 node_index);
  70 void icmp6_error_set_vnet_buffer (vlib_buffer_t * b, u8 type, u8 code,
  71                                   u32 data);
  72
  73 extern vlib_node_registration_t ip6_icmp_input_node;
  74
  75 #endif /* included_vnet_icmp6_h */
  76
  77
  78
  79 /*
  80  * fd.io coding-style-patch-verification: ON
  81  *
  82  * Local Variables:
  83  * eval: (c-set-style "gnu")
  84  * End:
  85  */