1/* $NetBSD: if_stats.h,v 1.6 2024/07/01 13:13:37 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _NET_IF_STATS_H_
33#define _NET_IF_STATS_H_
34
35#include <net/net_stats.h>
36
37/*
38 * Interface statistics. All values are unsigned 64-bit.
39 */
40typedef enum {
41 if_ipackets = 0, /* packets received on interface */
42 if_ierrors = 1, /* input errors on interface */
43 if_opackets = 2, /* packets sent on interface */
44 if_oerrors = 3, /* output errors on interface */
45 if_collisions = 4, /* collisions on csma interfaces */
46 if_ibytes = 5, /* total number of octets received */
47 if_obytes = 6, /* total number of octets sent */
48 if_imcasts = 7, /* packets received via multicast */
49 if_omcasts = 8, /* packets sent via multicast */
50 if_iqdrops = 9, /* dropped on input, this interface */
51 if_noproto = 10, /* destined for unsupported protocol */
52
53 IF_NSTATS = 11
54} if_stat_t;
55
56#ifdef _KERNEL
57
58#include <sys/sdt.h>
59
60SDT_PROBE_DECLARE(sdt, net, interface, stat);
61
62#define IF_STAT_GETREF(ifp) _NET_STAT_GETREF((ifp)->if_stats)
63#define IF_STAT_PUTREF(ifp) _NET_STAT_PUTREF((ifp)->if_stats)
64
65static inline void
66if_statinc(ifnet_t *ifp, if_stat_t x)
67{
68 SDT_PROBE3(sdt, net, interface, stat, ifp, x, +1);
69 _NET_STATINC((ifp)->if_stats, x);
70}
71
72static inline void
73if_statinc_ref(ifnet_t *ifp, net_stat_ref_t nsr, if_stat_t x)
74{
75 SDT_PROBE3(sdt, net, interface, stat, ifp, x, +1);
76 _NET_STATINC_REF(nsr, x);
77}
78
79static inline void
80if_statdec(ifnet_t *ifp, if_stat_t x)
81{
82 SDT_PROBE3(sdt, net, interface, stat, ifp, x, -1);
83 _NET_STATDEC((ifp)->if_stats, x);
84}
85
86static inline void
87if_statdec_ref(ifnet_t *ifp, net_stat_ref_t nsr, if_stat_t x)
88{
89 SDT_PROBE3(sdt, net, interface, stat, ifp, x, -1);
90 _NET_STATDEC_REF(nsr, x);
91}
92
93static inline void
94if_statadd(ifnet_t *ifp, if_stat_t x, uint64_t v)
95{
96 SDT_PROBE3(sdt, net, interface, stat, ifp, x, v);
97 _NET_STATADD((ifp)->if_stats, x, v);
98}
99
100static inline void
101if_statadd_ref(ifnet_t *ifp, net_stat_ref_t nsr, if_stat_t x, uint64_t v)
102{
103 SDT_PROBE3(sdt, net, interface, stat, ifp, x, v);
104 _NET_STATADD_REF(nsr, x, v);
105}
106
107static inline void
108if_statadd2(ifnet_t *ifp, if_stat_t x1, uint64_t v1, if_stat_t x2, uint64_t v2)
109{
110 net_stat_ref_t _nsr_ = IF_STAT_GETREF(ifp);
111 SDT_PROBE3(sdt, net, interface, stat, ifp, x1, v1);
112 SDT_PROBE3(sdt, net, interface, stat, ifp, x2, v2);
113 _NET_STATADD_REF(_nsr_, x1, v1);
114 _NET_STATADD_REF(_nsr_, x2, v2);
115 IF_STAT_PUTREF(ifp);
116}
117
118static inline void
119if_statsub(ifnet_t *ifp, if_stat_t x, uint64_t v)
120{
121 SDT_PROBE3(sdt, net, interface, stat, ifp, x, -v);
122 _NET_STATSUB((ifp)->if_stats, x, v);
123}
124
125static inline void
126if_statsub_ref(ifnet_t *ifp, net_stat_ref_t nsr, if_stat_t x, uint64_t v)
127{
128 SDT_PROBE3(sdt, net, interface, stat, ifp, x, -v);
129 _NET_STATSUB_REF(nsr, x, v);
130}
131
132void if_stats_init(ifnet_t *);
133void if_stats_fini(ifnet_t *);
134void if_stats_to_if_data(ifnet_t *, struct if_data *, bool);
135
136#endif /* _KERNEL */
137
138#endif /* !_NET_IF_STATS_H_ */