2 * Copyright (c) 2015 Dmitry Vagin <daemon.hammer@ya.ru>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #ifndef _NETGRAPH_NG_CHECKSUM_H_
28 #define _NETGRAPH_NG_CHECKSUM_H_
31 #define NG_CHECKSUM_NODE_TYPE "checksum"
33 /* Node type cookie. */
34 #define NGM_CHECKSUM_COOKIE 439419912
37 #define NG_CHECKSUM_HOOK_IN "in"
38 #define NG_CHECKSUM_HOOK_OUT "out"
41 #define NG_CHECKSUM_CSUM_IPV4 (CSUM_IP|CSUM_TCP|CSUM_UDP)
42 #define NG_CHECKSUM_CSUM_IPV6 (CSUM_TCP_IPV6|CSUM_UDP_IPV6)
44 /* Netgraph commands understood by this node type */
46 NGM_CHECKSUM_GETDLT = 1,
48 NGM_CHECKSUM_GETCONFIG,
49 NGM_CHECKSUM_SETCONFIG,
50 NGM_CHECKSUM_GETCLR_STATS,
51 NGM_CHECKSUM_GET_STATS,
52 NGM_CHECKSUM_CLR_STATS,
55 /* Parsing declarations */
57 #define NG_CHECKSUM_CONFIG_TYPE { \
58 { "csum_flags", &ng_parse_uint64_type }, \
59 { "csum_offload", &ng_parse_uint64_type }, \
63 #define NG_CHECKSUM_STATS_TYPE { \
64 { "Received", &ng_parse_uint64_type }, \
65 { "Processed", &ng_parse_uint64_type }, \
66 { "Dropped", &ng_parse_uint64_type }, \
70 struct ng_checksum_config {
72 uint64_t csum_offload;
75 struct ng_checksum_stats {
81 struct ng_checksum_vlan_header {
86 #endif /* _NETGRAPH_NG_CHECKSUM_H_ */