xref: /titanic_51/usr/src/uts/sun4v/io/vgen_stats.c (revision c10c16dec587a0662068f6e2991c29ed3a9db943)
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 /*
23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/errno.h>
29 #include <sys/param.h>
30 #include <sys/stream.h>
31 #include <sys/strsubr.h>
32 #include <sys/kmem.h>
33 #include <sys/ksynch.h>
34 #include <sys/stat.h>
35 #include <sys/vgen_stats.h>
36 
37 /*
38  * A set of common kstat statistics related functions that are
39  * used by both vnet and vsw drivers to maintain the statistics specific
40  * LDCs.
41  */
42 
43 /*
44  * Setup kstats for the LDC statistics.
45  * NOTE: the synchronization for the statistics is the
46  * responsibility of the caller.
47  */
48 kstat_t *
49 vgen_setup_kstats(char *ks_mod, int instance,
50     char *ks_name, vgen_stats_t *statsp)
51 {
52 	kstat_t *ksp;
53 	vgen_kstats_t *ldckp;
54 	size_t size;
55 
56 	size = sizeof (vgen_kstats_t) / sizeof (kstat_named_t);
57 	ksp = kstat_create(ks_mod, instance, ks_name, "net", KSTAT_TYPE_NAMED,
58 	    size, 0);
59 	if (ksp == NULL) {
60 		return (NULL);
61 	}
62 
63 	ldckp = (vgen_kstats_t *)ksp->ks_data;
64 	kstat_named_init(&ldckp->ipackets,		"ipackets",
65 	    KSTAT_DATA_ULONG);
66 	kstat_named_init(&ldckp->ipackets64,		"ipackets64",
67 	    KSTAT_DATA_ULONGLONG);
68 	kstat_named_init(&ldckp->ierrors,		"ierrors",
69 	    KSTAT_DATA_ULONG);
70 	kstat_named_init(&ldckp->opackets,		"opackets",
71 	    KSTAT_DATA_ULONG);
72 	kstat_named_init(&ldckp->opackets64,		"opackets64",
73 	    KSTAT_DATA_ULONGLONG);
74 	kstat_named_init(&ldckp->oerrors,		"oerrors",
75 	    KSTAT_DATA_ULONG);
76 
77 
78 	/* MIB II kstat variables */
79 	kstat_named_init(&ldckp->rbytes,		"rbytes",
80 	    KSTAT_DATA_ULONG);
81 	kstat_named_init(&ldckp->rbytes64,		"rbytes64",
82 	    KSTAT_DATA_ULONGLONG);
83 	kstat_named_init(&ldckp->obytes,		"obytes",
84 	    KSTAT_DATA_ULONG);
85 	kstat_named_init(&ldckp->obytes64,		"obytes64",
86 	    KSTAT_DATA_ULONGLONG);
87 	kstat_named_init(&ldckp->multircv,		"multircv",
88 	    KSTAT_DATA_ULONG);
89 	kstat_named_init(&ldckp->multixmt,		"multixmt",
90 	    KSTAT_DATA_ULONG);
91 	kstat_named_init(&ldckp->brdcstrcv,		"brdcstrcv",
92 	    KSTAT_DATA_ULONG);
93 	kstat_named_init(&ldckp->brdcstxmt,		"brdcstxmt",
94 	    KSTAT_DATA_ULONG);
95 	kstat_named_init(&ldckp->norcvbuf,		"norcvbuf",
96 	    KSTAT_DATA_ULONG);
97 	kstat_named_init(&ldckp->noxmtbuf,		"noxmtbuf",
98 	    KSTAT_DATA_ULONG);
99 
100 	/* Tx stats */
101 	kstat_named_init(&ldckp->tx_no_desc,		"tx_no_desc",
102 	    KSTAT_DATA_ULONG);
103 	kstat_named_init(&ldckp->tx_qfull,		"tx_qfull",
104 	    KSTAT_DATA_ULONG);
105 	kstat_named_init(&ldckp->tx_pri_fail,		"tx_pri_fail",
106 	    KSTAT_DATA_ULONG);
107 	kstat_named_init(&ldckp->tx_pri_packets,	"tx_pri_packets",
108 	    KSTAT_DATA_ULONGLONG);
109 	kstat_named_init(&ldckp->tx_pri_bytes,		"tx_pri_bytes",
110 	    KSTAT_DATA_ULONGLONG);
111 
112 	/* Rx stats */
113 	kstat_named_init(&ldckp->rx_allocb_fail,	"rx_allocb_fail",
114 	    KSTAT_DATA_ULONG);
115 	kstat_named_init(&ldckp->rx_vio_allocb_fail,	"rx_vio_allocb_fail",
116 	    KSTAT_DATA_ULONG);
117 	kstat_named_init(&ldckp->rx_lost_pkts,		"rx_lost_pkts",
118 	    KSTAT_DATA_ULONG);
119 	kstat_named_init(&ldckp->rx_pri_fail,		"rx_pri_fail",
120 	    KSTAT_DATA_ULONG);
121 	kstat_named_init(&ldckp->rx_pri_packets,	"rx_pri_packets",
122 	    KSTAT_DATA_ULONGLONG);
123 	kstat_named_init(&ldckp->rx_pri_bytes,		"rx_pri_bytes",
124 	    KSTAT_DATA_ULONGLONG);
125 
126 	/* Interrupt stats */
127 	kstat_named_init(&ldckp->callbacks,		"callbacks",
128 	    KSTAT_DATA_ULONG);
129 	kstat_named_init(&ldckp->dring_data_msgs_sent,	"dring_data_msgs_sent",
130 	    KSTAT_DATA_ULONG);
131 	kstat_named_init(&ldckp->dring_data_acks_rcvd,	"dring_data_acks_rcvd",
132 	    KSTAT_DATA_ULONG);
133 	kstat_named_init(&ldckp->dring_stopped_acks_rcvd,
134 	    "dring_stopped_acks_rcvd", KSTAT_DATA_ULONG);
135 	kstat_named_init(&ldckp->dring_data_msgs_rcvd,	"dring_data_msgs_rcvd",
136 	    KSTAT_DATA_ULONG);
137 	kstat_named_init(&ldckp->dring_data_acks_sent,	"dring_data_acks_sent",
138 	    KSTAT_DATA_ULONG);
139 	kstat_named_init(&ldckp->dring_stopped_acks_sent,
140 	    "dring_stopped_acks_sent", KSTAT_DATA_ULONG);
141 	kstat_named_init(&ldckp->dring_mode, "dring_mode", KSTAT_DATA_ULONG);
142 
143 	ksp->ks_update = vgen_kstat_update;
144 	ksp->ks_private = (void *)statsp;
145 	kstat_install(ksp);
146 	return (ksp);
147 }
148 
149 /*
150  * Destroy kstats.
151  */
152 void
153 vgen_destroy_kstats(kstat_t *ksp)
154 {
155 	if (ksp != NULL)
156 		kstat_delete(ksp);
157 }
158 
159 /*
160  * Update the kstats.
161  */
162 int
163 vgen_kstat_update(kstat_t *ksp, int rw)
164 {
165 	vgen_stats_t *statsp;
166 	vgen_kstats_t *ldckp;
167 
168 	statsp = (vgen_stats_t *)ksp->ks_private;
169 	ldckp = (vgen_kstats_t *)ksp->ks_data;
170 
171 	if (rw == KSTAT_READ) {
172 		ldckp->ipackets.value.ul	= (uint32_t)statsp->ipackets +
173 		    (uint32_t)statsp->rx_pri_packets;
174 		ldckp->ipackets64.value.ull	= statsp->ipackets +
175 		    statsp->rx_pri_packets;
176 		ldckp->ierrors.value.ul		= statsp->ierrors;
177 		ldckp->opackets.value.ul	= (uint32_t)statsp->opackets +
178 		    (uint32_t)statsp->tx_pri_packets;
179 		ldckp->opackets64.value.ull	= statsp->opackets +
180 		    statsp->tx_pri_packets;
181 		ldckp->oerrors.value.ul		= statsp->oerrors;
182 
183 		/*
184 		 * MIB II kstat variables
185 		 */
186 		ldckp->rbytes.value.ul		= (uint32_t)statsp->rbytes +
187 		    (uint32_t)statsp->rx_pri_bytes;
188 		ldckp->rbytes64.value.ull	= statsp->rbytes +
189 		    statsp->rx_pri_bytes;
190 		ldckp->obytes.value.ul		= (uint32_t)statsp->obytes +
191 		    (uint32_t)statsp->tx_pri_bytes;
192 		ldckp->obytes64.value.ull	= statsp->obytes +
193 		    statsp->tx_pri_bytes;
194 		ldckp->multircv.value.ul	= statsp->multircv;
195 		ldckp->multixmt.value.ul	= statsp->multixmt;
196 		ldckp->brdcstrcv.value.ul	= statsp->brdcstrcv;
197 		ldckp->brdcstxmt.value.ul	= statsp->brdcstxmt;
198 		ldckp->norcvbuf.value.ul	= statsp->norcvbuf;
199 		ldckp->noxmtbuf.value.ul	= statsp->noxmtbuf;
200 
201 		ldckp->tx_no_desc.value.ul	= statsp->tx_no_desc;
202 		ldckp->tx_qfull.value.ul	= statsp->tx_qfull;
203 		ldckp->tx_pri_fail.value.ul	= statsp->tx_pri_fail;
204 		ldckp->tx_pri_packets.value.ull	= statsp->tx_pri_packets;
205 		ldckp->tx_pri_bytes.value.ull	= statsp->tx_pri_bytes;
206 
207 		ldckp->rx_allocb_fail.value.ul	= statsp->rx_allocb_fail;
208 		ldckp->rx_vio_allocb_fail.value.ul = statsp->rx_vio_allocb_fail;
209 		ldckp->rx_lost_pkts.value.ul	= statsp->rx_lost_pkts;
210 		ldckp->rx_pri_fail.value.ul	= statsp->rx_pri_fail;
211 		ldckp->rx_pri_packets.value.ull	= statsp->rx_pri_packets;
212 		ldckp->rx_pri_bytes.value.ull	= statsp->rx_pri_bytes;
213 
214 		ldckp->callbacks.value.ul	= statsp->callbacks;
215 
216 		ldckp->dring_data_msgs_sent.value.ul =
217 		    statsp->dring_data_msgs_sent;
218 		ldckp->dring_data_acks_rcvd.value.ul =
219 		    statsp->dring_data_acks_rcvd;
220 		ldckp->dring_stopped_acks_rcvd.value.ul =
221 		    statsp->dring_stopped_acks_rcvd;
222 		ldckp->dring_data_msgs_rcvd.value.ul =
223 		    statsp->dring_data_msgs_rcvd;
224 		ldckp->dring_data_acks_sent.value.ul =
225 		    statsp->dring_data_acks_sent;
226 		ldckp->dring_stopped_acks_sent.value.ul =
227 		    statsp->dring_stopped_acks_sent;
228 		ldckp->dring_mode.value.ul = statsp->dring_mode;
229 	} else {
230 		statsp->ipackets	= ldckp->ipackets64.value.ull;
231 		statsp->ierrors		= ldckp->ierrors.value.ul;
232 		statsp->opackets	= ldckp->opackets64.value.ull;
233 		statsp->oerrors		= ldckp->oerrors.value.ul;
234 
235 		/*
236 		 * MIB II kstat variables
237 		 */
238 		statsp->rbytes		= ldckp->rbytes64.value.ull;
239 		statsp->obytes		= ldckp->obytes64.value.ull;
240 		statsp->multircv	= ldckp->multircv.value.ul;
241 		statsp->multixmt	= ldckp->multixmt.value.ul;
242 		statsp->brdcstrcv	= ldckp->brdcstrcv.value.ul;
243 		statsp->brdcstxmt	= ldckp->brdcstxmt.value.ul;
244 		statsp->norcvbuf	= ldckp->norcvbuf.value.ul;
245 		statsp->noxmtbuf	= ldckp->noxmtbuf.value.ul;
246 
247 		statsp->tx_no_desc	= ldckp->tx_no_desc.value.ul;
248 		statsp->tx_qfull	= ldckp->tx_qfull.value.ul;
249 		statsp->tx_pri_fail	= ldckp->tx_pri_fail.value.ul;
250 		statsp->tx_pri_packets	= ldckp->tx_pri_packets.value.ull;
251 		statsp->tx_pri_bytes	= ldckp->tx_pri_bytes.value.ull;
252 
253 		statsp->rx_allocb_fail	= ldckp->rx_allocb_fail.value.ul;
254 		statsp->rx_vio_allocb_fail = ldckp->rx_vio_allocb_fail.value.ul;
255 		statsp->rx_lost_pkts	= ldckp->rx_lost_pkts.value.ul;
256 		statsp->rx_pri_fail	= ldckp->rx_pri_fail.value.ul;
257 		statsp->rx_pri_packets	= ldckp->rx_pri_packets.value.ull;
258 		statsp->rx_pri_bytes	= ldckp->rx_pri_bytes.value.ull;
259 
260 		statsp->callbacks	= ldckp->callbacks.value.ul;
261 		statsp->dring_data_msgs_sent =
262 		    ldckp->dring_data_msgs_sent.value.ul;
263 		statsp->dring_data_acks_rcvd =
264 		    ldckp->dring_data_acks_rcvd.value.ul;
265 		statsp->dring_stopped_acks_rcvd =
266 		    ldckp->dring_stopped_acks_rcvd.value.ul;
267 		statsp->dring_data_msgs_rcvd =
268 		    ldckp->dring_data_msgs_rcvd.value.ul;
269 		statsp->dring_data_acks_sent =
270 		    ldckp->dring_data_acks_sent.value.ul;
271 		statsp->dring_stopped_acks_sent =
272 		    ldckp->dring_stopped_acks_sent.value.ul;
273 		statsp->dring_mode = ldckp->dring_mode.value.ul;
274 	}
275 
276 	return (0);
277 }
278