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.
16 * ip/ip4_error.h: ip4 fast path errors
18 * Copyright (c) 2008 Eliot Dresselhaus
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:
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
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.
40 #ifndef included_ip_ip4_error_h
41 #define included_ip_ip4_error_h
43 #define foreach_ip4_error \
44 /* Must be first. */ \
45 _ (NONE, "valid ip4 packets") \
47 /* Errors signalled by ip4-input */ \
48 _ (TOO_SHORT, "ip4 length < 20 bytes") \
49 _ (BAD_LENGTH, "ip4 length > l2 length") \
50 _ (BAD_CHECKSUM, "bad ip4 checksum") \
51 _ (VERSION, "ip4 version != 4") \
52 _ (OPTIONS, "ip4 options present") \
53 _ (FRAGMENT_OFFSET_ONE, "ip4 fragment offset == 1") \
54 _ (TIME_EXPIRED, "ip4 ttl <= 1") \
56 /* Errors signalled by ip4-rewrite. */ \
57 _ (MTU_EXCEEDED, "ip4 MTU exceeded and DF set") \
58 _ (DST_LOOKUP_MISS, "ip4 destination lookup miss") \
59 _ (SRC_LOOKUP_MISS, "ip4 source lookup miss") \
60 _ (DROP, "ip4 drop") \
61 _ (PUNT, "ip4 punt") \
62 _ (SAME_INTERFACE, "ip4 egrees interface same as ingress") \
64 /* Errors signalled by ip4-local. */ \
65 _ (UNKNOWN_PROTOCOL, "unknown ip protocol") \
66 _ (TCP_CHECKSUM, "bad tcp checksum") \
67 _ (UDP_CHECKSUM, "bad udp checksum") \
68 _ (UDP_LENGTH, "inconsistent udp/ip lengths") \
70 /* Errors signalled by ip4-source-check. */ \
71 _ (UNICAST_SOURCE_CHECK_FAILS, "ip4 unicast source check fails") \
73 /* Spoofed packets in ip4-rewrite-local */ \
74 _ (SPOOFED_LOCAL_PACKETS, "ip4 spoofed local-address packet drops") \
76 /* Errors singalled by ip4-inacl */ \
77 _ (INACL_TABLE_MISS, "input ACL table-miss drops") \
78 _ (INACL_SESSION_DENY, "input ACL session deny drops") \
79 /* Errors singalled by ip4-outacl */ \
80 _ (OUTACL_TABLE_MISS, "output ACL table-miss drops") \
81 _ (OUTACL_SESSION_DENY, "output ACL session deny drops") \
83 /* Erros from mfib-forward */ \
84 _ (RPF_FAILURE, "Multicast RPF check failed") \
86 /* Errors signalled by ip4-reassembly */ \
87 _ (REASS_DUPLICATE_FRAGMENT, "duplicate/overlapping fragments") \
88 _ (REASS_LIMIT_REACHED, "drops due to concurrent reassemblies limit") \
89 _ (REASS_TIMEOUT, "fragments dropped due to reassembly timeout")
93 #define _(sym,str) IP4_ERROR_##sym,
99 #endif /* included_ip_ip4_error_h */
102 * fd.io coding-style-patch-verification: ON
105 * eval: (c-set-style "gnu")