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 2009 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
dls_stat_update(kstat_t * ksp,dls_link_t * dlp,int rw)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
dls_stat_create(const char * module,int instance,const char * name,zoneid_t zoneid,int (* update)(struct kstat *,int),void * private,kstat_t ** kspp)105 dls_stat_create(const char *module, int instance, const char *name,
106 zoneid_t zoneid, int (*update)(struct kstat *, int), void *private,
107 kstat_t **kspp)
108 {
109 kstat_t *ksp;
110 kstat_named_t *knp;
111 uint_t i;
112
113 if ((ksp = kstat_create_zone(module, instance, name, "net",
114 KSTAT_TYPE_NAMED, STAT_INFO_COUNT + 2, 0, zoneid)) == NULL) {
115 return (EINVAL);
116 }
117
118 ksp->ks_update = update;
119 ksp->ks_private = private;
120
121 knp = (kstat_named_t *)ksp->ks_data;
122 for (i = 0; i < STAT_INFO_COUNT; i++) {
123 kstat_named_init(knp, i_dls_si[i].msi_name,
124 i_dls_si[i].msi_type);
125 knp++;
126 }
127
128 kstat_named_init(knp++, "link_duplex", KSTAT_DATA_UINT32);
129 kstat_named_init(knp, "unknowns", KSTAT_DATA_UINT32);
130 kstat_install(ksp);
131 *kspp = ksp;
132 return (0);
133 }
134