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 */
40 typedef 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
60 SDT_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
65 static inline void
if_statinc(ifnet_t * ifp,if_stat_t x)66 if_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
72 static inline void
if_statinc_ref(ifnet_t * ifp,net_stat_ref_t nsr,if_stat_t x)73 if_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
79 static inline void
if_statdec(ifnet_t * ifp,if_stat_t x)80 if_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
86 static inline void
if_statdec_ref(ifnet_t * ifp,net_stat_ref_t nsr,if_stat_t x)87 if_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
93 static inline void
if_statadd(ifnet_t * ifp,if_stat_t x,uint64_t v)94 if_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
100 static inline void
if_statadd_ref(ifnet_t * ifp,net_stat_ref_t nsr,if_stat_t x,uint64_t v)101 if_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
107 static inline void
if_statadd2(ifnet_t * ifp,if_stat_t x1,uint64_t v1,if_stat_t x2,uint64_t v2)108 if_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
118 static inline void
if_statsub(ifnet_t * ifp,if_stat_t x,uint64_t v)119 if_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
125 static inline void
if_statsub_ref(ifnet_t * ifp,net_stat_ref_t nsr,if_stat_t x,uint64_t v)126 if_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
132 void if_stats_init(ifnet_t *);
133 void if_stats_fini(ifnet_t *);
134 void if_stats_to_if_data(ifnet_t *, struct if_data *, bool);
135
136 #endif /* _KERNEL */
137
138 #endif /* !_NET_IF_STATS_H_ */
139