ip6_error.h revision de34c35f
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 /* Erros singalled by ip6-outacl */                                    \
76  _ (OUTACL_TABLE_MISS, "output ACL table-miss drops")                  \
77  _ (OUTACL_SESSION_DENY, "output ACL session deny drops")              \
78                                                                        \
79  /* Errors signalled by ip6-reassembly */                              \
80  _ (REASS_MISSING_UPPER, "missing-upper layer drops")                  \
81  _ (REASS_DUPLICATE_FRAGMENT, "duplicate fragments")                   \
82  _ (REASS_OVERLAPPING_FRAGMENT, "overlapping fragments")               \
83  _ (REASS_LIMIT_REACHED, "drops due to concurrent reassemblies limit") \
84  _ (REASS_FRAGMENT_CHAIN_TOO_LONG, "fragment chain too long (drop)")   \
85  _ (REASS_NO_BUF, "out of buffers (drop)")                             \
86  _ (REASS_TIMEOUT, "fragments dropped due to reassembly timeout")      \
87  _ (REASS_INTERNAL_ERROR, "drops due to internal reassembly error")    \
88  _ (REASS_UNSUPP_IP_PROTO, "unsupported ip protocol")
89
90typedef enum
91{
92#define _(sym,str) IP6_ERROR_##sym,
93  foreach_ip6_error
94#undef _
95    IP6_N_ERROR,
96} ip6_error_t;
97
98#endif /* included_ip_ip6_error_h */
99
100/*
101 * fd.io coding-style-patch-verification: ON
102 *
103 * Local Variables:
104 * eval: (c-set-style "gnu")
105 * End:
106 */
107