xref: /titanic_41/usr/src/uts/common/io/mac/mac_stat.c (revision fd9cb95cbb2f626355a60efb9d02c5f0a33c10e6)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * MAC Services Module
31  */
32 
33 #include <sys/types.h>
34 #include <sys/sysmacros.h>
35 #include <sys/stream.h>
36 #include <sys/kstat.h>
37 #include <sys/mac.h>
38 #include <sys/mac_impl.h>
39 
40 typedef struct i_mac_stat_info_s {
41 	enum mac_stat	msi_stat;
42 	char		*msi_name;
43 	uint_t		msi_type;
44 } i_mac_stat_info_t;
45 
46 static i_mac_stat_info_t	i_mac_si[] = {
47 	{ MAC_STAT_IFSPEED, "ifspeed", KSTAT_DATA_UINT64 },
48 	{ MAC_STAT_MULTIRCV, "multircv", KSTAT_DATA_UINT32 },
49 	{ MAC_STAT_BRDCSTRCV, "brdcstrcv", KSTAT_DATA_UINT32 },
50 	{ MAC_STAT_MULTIXMT, "multixmt", KSTAT_DATA_UINT32 },
51 	{ MAC_STAT_BRDCSTXMT, "brdcstxmt", KSTAT_DATA_UINT32 },
52 	{ MAC_STAT_NORCVBUF, "norcvbuf", KSTAT_DATA_UINT32 },
53 	{ MAC_STAT_IERRORS, "ierrors", KSTAT_DATA_UINT32 },
54 	{ MAC_STAT_UNKNOWNS, "unknowns", KSTAT_DATA_UINT32 },
55 	{ MAC_STAT_NOXMTBUF, "noxmtbuf", KSTAT_DATA_UINT32 },
56 	{ MAC_STAT_OERRORS, "oerrors", KSTAT_DATA_UINT32 },
57 	{ MAC_STAT_COLLISIONS, "collisions", KSTAT_DATA_UINT32 },
58 	{ MAC_STAT_RBYTES, "rbytes", KSTAT_DATA_UINT32 },
59 	{ MAC_STAT_IPACKETS, "ipackets", KSTAT_DATA_UINT32 },
60 	{ MAC_STAT_OBYTES, "obytes", KSTAT_DATA_UINT32 },
61 	{ MAC_STAT_OPACKETS, "opackets", KSTAT_DATA_UINT32 },
62 	{ MAC_STAT_RBYTES, "rbytes64", KSTAT_DATA_UINT64 },
63 	{ MAC_STAT_IPACKETS, "ipackets64", KSTAT_DATA_UINT64 },
64 	{ MAC_STAT_OBYTES, "obytes64", KSTAT_DATA_UINT64 },
65 	{ MAC_STAT_OPACKETS, "opackets64", KSTAT_DATA_UINT64 },
66 	{ MAC_STAT_ALIGN_ERRORS, "align_errors", KSTAT_DATA_UINT32 },
67 	{ MAC_STAT_FCS_ERRORS, "fcs_errors", KSTAT_DATA_UINT32 },
68 	{ MAC_STAT_FIRST_COLLISIONS, "first_collsions", KSTAT_DATA_UINT32 },
69 	{ MAC_STAT_MULTI_COLLISIONS, "multi_collsions", KSTAT_DATA_UINT32 },
70 	{ MAC_STAT_SQE_ERRORS, "sqe_errors", KSTAT_DATA_UINT32 },
71 	{ MAC_STAT_DEFER_XMTS, "defer_xmts", KSTAT_DATA_UINT32 },
72 	{ MAC_STAT_TX_LATE_COLLISIONS, "tx_late_collsions", KSTAT_DATA_UINT32 },
73 	{ MAC_STAT_EX_COLLISIONS, "ex_collsions", KSTAT_DATA_UINT32 },
74 	{ MAC_STAT_MACXMT_ERRORS, "macxmt_errors", KSTAT_DATA_UINT32 },
75 	{ MAC_STAT_CARRIER_ERRORS, "carrier_errors", KSTAT_DATA_UINT32 },
76 	{ MAC_STAT_TOOLONG_ERRORS, "toolong_errors", KSTAT_DATA_UINT32 },
77 	{ MAC_STAT_MACRCV_ERRORS, "macrcv_errors", KSTAT_DATA_UINT32 },
78 	{ MAC_STAT_XCVR_ADDR, "xcvr_addr", KSTAT_DATA_UINT32 },
79 	{ MAC_STAT_XCVR_ID, "xcvr_id", KSTAT_DATA_UINT32 },
80 	{ MAC_STAT_XCVR_INUSE, "xcvr_inuse", KSTAT_DATA_UINT32 },
81 	{ MAC_STAT_CAP_1000FDX, "cap_1000fdx", KSTAT_DATA_UINT32 },
82 	{ MAC_STAT_CAP_1000HDX, "cap_1000hdx", KSTAT_DATA_UINT32 },
83 	{ MAC_STAT_CAP_100FDX, "cap_100fdx", KSTAT_DATA_UINT32 },
84 	{ MAC_STAT_CAP_100HDX, "cap_100hdx", KSTAT_DATA_UINT32 },
85 	{ MAC_STAT_CAP_10FDX, "cap_10fdx", KSTAT_DATA_UINT32 },
86 	{ MAC_STAT_CAP_10HDX, "cap_10hdx", KSTAT_DATA_UINT32 },
87 	{ MAC_STAT_CAP_ASMPAUSE, "cap_asmpause", KSTAT_DATA_UINT32 },
88 	{ MAC_STAT_CAP_PAUSE, "cap_pause", KSTAT_DATA_UINT32 },
89 	{ MAC_STAT_CAP_AUTONEG, "cap_autoneg", KSTAT_DATA_UINT32 },
90 	{ MAC_STAT_ADV_CAP_1000FDX, "adv_cap_1000fdx", KSTAT_DATA_UINT32 },
91 	{ MAC_STAT_ADV_CAP_1000HDX, "adv_cap_1000hdx", KSTAT_DATA_UINT32 },
92 	{ MAC_STAT_ADV_CAP_100FDX, "adv_cap_100fdx", KSTAT_DATA_UINT32 },
93 	{ MAC_STAT_ADV_CAP_100HDX, "adv_cap_100hdx", KSTAT_DATA_UINT32 },
94 	{ MAC_STAT_ADV_CAP_10FDX, "adv_cap_10fdx", KSTAT_DATA_UINT32 },
95 	{ MAC_STAT_ADV_CAP_10HDX, "adv_cap_10hdx", KSTAT_DATA_UINT32 },
96 	{ MAC_STAT_ADV_CAP_ASMPAUSE, "adv_cap_asmpause", KSTAT_DATA_UINT32 },
97 	{ MAC_STAT_ADV_CAP_PAUSE, "adv_cap_pause", KSTAT_DATA_UINT32 },
98 	{ MAC_STAT_ADV_CAP_AUTONEG, "adv_cap_autoneg", KSTAT_DATA_UINT32 },
99 	{ MAC_STAT_LP_CAP_1000FDX, "lp_cap_1000fdx", KSTAT_DATA_UINT32 },
100 	{ MAC_STAT_LP_CAP_1000HDX, "lp_cap_1000hdx", KSTAT_DATA_UINT32 },
101 	{ MAC_STAT_LP_CAP_100FDX, "lp_cap_100fdx", KSTAT_DATA_UINT32 },
102 	{ MAC_STAT_LP_CAP_100HDX, "lp_cap_100hdx", KSTAT_DATA_UINT32 },
103 	{ MAC_STAT_LP_CAP_10FDX, "lp_cap_10fdx", KSTAT_DATA_UINT32 },
104 	{ MAC_STAT_LP_CAP_10HDX, "lp_cap_10hdx", KSTAT_DATA_UINT32 },
105 	{ MAC_STAT_LP_CAP_ASMPAUSE, "lp_cap_asmpause", KSTAT_DATA_UINT32 },
106 	{ MAC_STAT_LP_CAP_PAUSE, "lp_cap_pause", KSTAT_DATA_UINT32 },
107 	{ MAC_STAT_LP_CAP_AUTONEG, "lp_cap_autoneg", KSTAT_DATA_UINT32 },
108 	{ MAC_STAT_LINK_ASMPAUSE, "link_asmpause", KSTAT_DATA_UINT32 },
109 	{ MAC_STAT_LINK_PAUSE, "link_pause", KSTAT_DATA_UINT32 },
110 	{ MAC_STAT_LINK_AUTONEG, "link_autoneg", KSTAT_DATA_UINT32 },
111 	{ MAC_STAT_LINK_DUPLEX, "link_duplex", KSTAT_DATA_UINT32 }
112 };
113 
114 #define	STAT_INFO_COUNT	(sizeof (i_mac_si) / sizeof (i_mac_si[0]))
115 
116 /*
117  * Private functions.
118  */
119 
120 static int
121 i_mac_stat_update(kstat_t *ksp, int rw)
122 {
123 	mac_impl_t	*mip = ksp->ks_private;
124 	mac_t		*mp = mip->mi_mp;
125 	kstat_named_t	*knp;
126 	uint_t		i;
127 	uint64_t	val;
128 
129 	if (rw != KSTAT_READ)
130 		return (EACCES);
131 
132 	knp = ksp->ks_data;
133 	for (i = 0; i < STAT_INFO_COUNT; i++) {
134 		if (!(mp->m_info.mi_stat[i_mac_si[i].msi_stat]))
135 			continue;
136 
137 		val = mac_stat_get((mac_handle_t)mip, i_mac_si[i].msi_stat);
138 
139 		switch (i_mac_si[i].msi_type) {
140 		case KSTAT_DATA_UINT64:
141 			knp->value.ui64 = val;
142 			break;
143 		case KSTAT_DATA_UINT32:
144 			knp->value.ui32 = (uint32_t)val;
145 			break;
146 		default:
147 			ASSERT(B_FALSE);
148 			break;
149 		}
150 
151 		knp++;
152 	}
153 
154 	(knp++)->value.ui32 = mip->mi_link;
155 	(knp++)->value.ui32 = (mip->mi_link == LINK_STATE_UP);
156 	knp->value.ui32 = (mip->mi_devpromisc != 0);
157 
158 	return (0);
159 }
160 
161 /*
162  * Exported functions.
163  */
164 
165 void
166 mac_stat_create(mac_impl_t *mip)
167 {
168 	mac_t		*mp = mip->mi_mp;
169 	kstat_t		*ksp;
170 	kstat_named_t	*knp;
171 	uint_t		i;
172 	uint_t		count;
173 
174 	count = 0;
175 	for (i = 0; i < STAT_INFO_COUNT; i++) {
176 		if (mp->m_info.mi_stat[i_mac_si[i].msi_stat])
177 			count++;
178 	}
179 
180 	if ((ksp = kstat_create(mip->mi_dev, mip->mi_port, mip->mi_name,
181 	    "mac", KSTAT_TYPE_NAMED, count + 3, 0)) == NULL)
182 		return;
183 
184 	ksp->ks_update = i_mac_stat_update;
185 	ksp->ks_private = (void *)mip;
186 	mip->mi_ksp = ksp;
187 
188 	knp = (kstat_named_t *)ksp->ks_data;
189 	for (i = 0; i < STAT_INFO_COUNT; i++) {
190 		if (!(mp->m_info.mi_stat[i_mac_si[i].msi_stat]))
191 			continue;
192 
193 		kstat_named_init(knp, i_mac_si[i].msi_name,
194 		    i_mac_si[i].msi_type);
195 		knp++;
196 		--count;
197 	}
198 	ASSERT(count == 0);
199 
200 	kstat_named_init(knp++, "link_state", KSTAT_DATA_UINT32);
201 	kstat_named_init(knp++, "link_up", KSTAT_DATA_UINT32);
202 	kstat_named_init(knp, "promisc", KSTAT_DATA_UINT32);
203 
204 	kstat_install(ksp);
205 }
206 
207 /*ARGSUSED*/
208 void
209 mac_stat_destroy(mac_impl_t *mip)
210 {
211 	kstat_delete(mip->mi_ksp);
212 	mip->mi_ksp = NULL;
213 }
214