xref: /titanic_52/usr/src/uts/common/io/dls/dls_stat.c (revision 2a8d6eba033e4713ab12b61178f0513f1f075482)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * Data-Link Services Module
28  */
29 
30 #include <sys/dld_impl.h>
31 #include <sys/mac_ether.h>
32 
33 static mac_stat_info_t	i_dls_si[] = {
34 	{ MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64, 0 },
35 	{ MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32, 0 },
36 	{ MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32, 0 },
37 	{ MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32, 0 },
38 	{ MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32, 0 },
39 	{ MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32, 0 },
40 	{ MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32, 0 },
41 	{ MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32, 0 },
42 	{ MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32, 0 },
43 	{ MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32, 0 },
44 	{ MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32, 0 },
45 	{ MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32, 0 },
46 	{ MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32, 0 },
47 	{ MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32, 0 },
48 	{ MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64, 0 },
49 	{ MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64, 0 },
50 	{ MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64, 0 },
51 	{ MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64, 0 },
52 	{ MAC_STAT_LINK_STATE, "link_state", KSTAT_DATA_UINT32,
53 	    (uint64_t)LINK_STATE_UNKNOWN}
54 };
55 
56 #define	STAT_INFO_COUNT	(sizeof (i_dls_si) / sizeof (i_dls_si[0]))
57 
58 /*
59  * Exported functions.
60  */
61 int
62 dls_stat_update(kstat_t *ksp, dls_link_t *dlp, int rw)
63 {
64 	kstat_named_t	*knp;
65 	uint_t		i;
66 	uint64_t	val;
67 
68 	if (rw != KSTAT_READ)
69 		return (EACCES);
70 
71 	knp = (kstat_named_t *)ksp->ks_data;
72 	for (i = 0; i < STAT_INFO_COUNT; i++) {
73 		val = mac_stat_get(dlp->dl_mh, i_dls_si[i].msi_stat);
74 
75 		switch (i_dls_si[i].msi_type) {
76 		case KSTAT_DATA_UINT64:
77 			knp->value.ui64 = val;
78 			break;
79 		case KSTAT_DATA_UINT32:
80 			knp->value.ui32 = (uint32_t)val;
81 			break;
82 		default:
83 			ASSERT(B_FALSE);
84 		}
85 
86 		knp++;
87 	}
88 
89 	/*
90 	 * Ethernet specific kstat "link_duplex"
91 	 */
92 	if (dlp->dl_mip->mi_nativemedia != DL_ETHER) {
93 		knp->value.ui32 = LINK_DUPLEX_UNKNOWN;
94 	} else {
95 		val = mac_stat_get(dlp->dl_mh, ETHER_STAT_LINK_DUPLEX);
96 		knp->value.ui32 = (uint32_t)val;
97 	}
98 	knp++;
99 	knp->value.ui32 = dlp->dl_unknowns;
100 
101 	return (0);
102 }
103 
104 int
105 dls_stat_create(const char *module, int instance, const char *name,
106     int (*update)(struct kstat *, int), void *private, kstat_t **kspp)
107 {
108 	kstat_t		*ksp;
109 	kstat_named_t	*knp;
110 	uint_t		i;
111 
112 	if ((ksp = kstat_create(module, instance, name, "net",
113 	    KSTAT_TYPE_NAMED, STAT_INFO_COUNT + 2, 0)) == NULL) {
114 		return (EINVAL);
115 	}
116 
117 	ksp->ks_update = update;
118 	ksp->ks_private = private;
119 
120 	knp = (kstat_named_t *)ksp->ks_data;
121 	for (i = 0; i < STAT_INFO_COUNT; i++) {
122 		kstat_named_init(knp, i_dls_si[i].msi_name,
123 		    i_dls_si[i].msi_type);
124 		knp++;
125 	}
126 
127 	kstat_named_init(knp++, "link_duplex", KSTAT_DATA_UINT32);
128 	kstat_named_init(knp, "unknowns", KSTAT_DATA_UINT32);
129 	kstat_install(ksp);
130 	*kspp = ksp;
131 	return (0);
132 }
133