src/vnet/ip/ip6_error.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 /*
  16  * ip/ip6_error.h: ip6 fast path errors
  17  *
  18  * Copyright (c) 2008 Eliot Dresselhaus
  19  *
  20  * Permission is hereby granted, free of charge, to any person obtaining
  21  * a copy of this software and associated documentation files (the
  22  * "Software"), to deal in the Software without restriction, including
  23  * without limitation the rights to use, copy, modify, merge, publish,
  24  * distribute, sublicense, and/or sell copies of the Software, and to
  25  * permit persons to whom the Software is furnished to do so, subject to
  26  * the following conditions:
  27  *
  28  * The above copyright notice and this permission notice shall be
  29  * included in all copies or substantial portions of the Software.
  30  *
  31  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  32  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  33  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  34  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  35  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  36  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  37  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  38  */
  39
  40 #ifndef included_ip_ip6_error_h
  41 #define included_ip_ip6_error_h
  42
  43 #define foreach_ip6_error                                               \
  44   /* Must be first. */                                                  \
  45   _ (NONE, "valid ip6 packets")                                         \
  46                                                                         \
  47   /* Errors signalled by ip6-input */                                   \
  48   _ (TOO_SHORT, "ip6 length < 40 bytes")                                \
  49   _ (BAD_LENGTH, "ip6 length > l2 length")                              \
  50   _ (VERSION, "ip6 version != 6")                                       \
  51   _ (TIME_EXPIRED, "ip6 ttl <= 1")                                      \
  52                                                                         \
  53   /* Errors signalled by ip6-rewrite. */                                \
  54   _ (MTU_EXCEEDED, "ip6 MTU exceeded")                                  \
  55   _ (DST_LOOKUP_MISS, "ip6 destination lookup miss")                    \
  56   _ (SRC_LOOKUP_MISS, "ip6 source lookup miss")                         \
  57   _ (DROP, "ip6 drop")                                                  \
  58   _ (PUNT, "ip6 punt")                                                  \
  59                                                                         \
  60   /* Errors signalled by ip6-local. */                                  \
  61   _ (UNKNOWN_PROTOCOL, "unknown ip protocol")                           \
  62   _ (UDP_CHECKSUM, "bad udp checksum")                                  \
  63   _ (ICMP_CHECKSUM, "bad icmp checksum")                                \
  64   _ (UDP_LENGTH, "inconsistent udp/ip lengths")                         \
  65                                                                         \
  66   /* Errors signalled by udp6-lookup. */                                \
  67   _ (UNKNOWN_UDP_PORT, "no listener for udp port")                      \
  68                                                                         \
  69   /* Spoofed packets in ip6-rewrite-local */                            \
  70   _(SPOOFED_LOCAL_PACKETS, "ip4 spoofed local-address packet drops")    \
  71                                                                         \
  72  /* Erros singalled by ip6-inacl */                                     \
  73   _ (INACL_TABLE_MISS, "input ACL table-miss drops")                    \
  74   _ (INACL_SESSION_DENY, "input ACL session deny drops")                \
  75                                                                         \
  76   /* Errors signalled by ip6-reassembly */                              \
  77   _ (REASS_MISSING_UPPER, "missing-upper layer drops")                  \
  78   _ (REASS_DUPLICATE_FRAGMENT, "duplicate fragments")                   \
  79   _ (REASS_OVERLAPPING_FRAGMENT, "overlapping fragments")               \
  80   _ (REASS_LIMIT_REACHED, "drops due to concurrent reassemblies limit") \
  81   _ (REASS_TIMEOUT, "fragments dropped due to reassembly timeout")
  82
  83 typedef enum
  84 {
  85 #define _(sym,str) IP6_ERROR_##sym,
  86   foreach_ip6_error
  87 #undef _
  88     IP6_N_ERROR,
  89 } ip6_error_t;
  90
  91 #endif /* included_ip_ip6_error_h */
  92
  93 /*
  94  * fd.io coding-style-patch-verification: ON
  95  *
  96  * Local Variables:
  97  * eval: (c-set-style "gnu")
  98  * End:
  99  */