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Vector Packet Processing
ip6_error.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 /*
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 
90 typedef enum
91 {
92 #define _(sym,str) IP6_ERROR_##sym,
94 #undef _
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  */
ip6_error_t
ip6_error_t
Definition: ip6_error.h:90
IP6_N_ERROR
@ IP6_N_ERROR
Definition: ip6_error.h:95
foreach_ip6_error
#define foreach_ip6_error
Definition: ip6_error.h:43