xref: /illumos-gate/usr/src/uts/common/io/softmac/softmac_stat.c (revision 48bbca816818409505a6e214d0911fda44e622e3)
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  * Copyright 2015 Garrett D'Amore <garret@damore.org>
26  */
27 
28 #include <sys/types.h>
29 #include <sys/kstat.h>
30 #include <sys/mac.h>
31 #include <sys/dls.h>
32 #include <sys/softmac_impl.h>
33 
34 typedef struct i_softmac_stat_info_s {
35 	uint_t		ssi_stat;
36 	char		*ssi_name;
37 	char		*ssi_alias;
38 } i_softmac_stat_info_t;
39 
40 /*
41  * Must be the same order as mac_driver_stat.
42  */
43 static i_softmac_stat_info_t	i_softmac_driver_si[] = {
44 	{ MAC_STAT_IFSPEED,	"ifspeed", 	"link_speed"	},
45 	{ MAC_STAT_MULTIRCV,	"multircv",	NULL		},
46 	{ MAC_STAT_BRDCSTRCV,	"brdcstrcv", 	NULL		},
47 	{ MAC_STAT_MULTIXMT,	"multixmt",	NULL		},
48 	{ MAC_STAT_BRDCSTXMT,	"brdcstxmt",	NULL		},
49 	{ MAC_STAT_NORCVBUF,	"norcvbuf",	"rx_no_buf"	},
50 	{ MAC_STAT_IERRORS,	"ierrors",	NULL		},
51 	{ MAC_STAT_UNKNOWNS,	"unknowns",	NULL		},
52 	{ MAC_STAT_NOXMTBUF,	"noxmtbuf",	"No Txpkt "	},
53 	{ MAC_STAT_OERRORS,	"oerrors",	NULL		},
54 	{ MAC_STAT_COLLISIONS,	"collisions",	NULL		},
55 	{ MAC_STAT_RBYTES,	"rbytes64",	"rbytes"	},
56 	{ MAC_STAT_IPACKETS,	"ipackets64",	"ipackets"	},
57 	{ MAC_STAT_OBYTES,	"obytes64",	"obytes"	},
58 	{ MAC_STAT_OPACKETS,	"opackets64",	"opackets"	},
59 	{ MAC_STAT_UNDERFLOWS,	"uflo",		NULL		},
60 	{ MAC_STAT_OVERFLOWS,	"oflo",		NULL		}
61 };
62 
63 #define	SOFTMAC_DRIVER_SI_SZ						\
64 	(sizeof (i_softmac_driver_si) / sizeof (i_softmac_driver_si[0]))
65 
66 /*
67  * Must be the same order as ether_stat.
68  */
69 static i_softmac_stat_info_t	i_softmac_ether_si[] = {
70 	{ ETHER_STAT_ALIGN_ERRORS,	"align_errors",
71 	    "alignment_err" },
72 	{ ETHER_STAT_FCS_ERRORS, 	"fcs_errors",		"crc_err" },
73 	{ ETHER_STAT_FIRST_COLLISIONS,	"first_collisions",	NULL },
74 	{ ETHER_STAT_MULTI_COLLISIONS,	"multi_collisions",	NULL },
75 	{ ETHER_STAT_SQE_ERRORS,	"sqe_errors",		NULL },
76 	{ ETHER_STAT_DEFER_XMTS,	"defer_xmts",		NULL },
77 	{ ETHER_STAT_TX_LATE_COLLISIONS, "tx_late_collisions",
78 	    "late_collisions" },
79 	{ ETHER_STAT_EX_COLLISIONS,	"ex_collisions",
80 	    "excessive_collisions" },
81 	{ ETHER_STAT_MACXMT_ERRORS,	"macxmt_errors",	NULL },
82 	{ ETHER_STAT_CARRIER_ERRORS,	"carrier_errors",	NULL },
83 	{ ETHER_STAT_TOOLONG_ERRORS,	"toolong_errors", 	"length_err" },
84 	{ ETHER_STAT_MACRCV_ERRORS, 	"macrcv_errors",
85 	    "Rx Error Count" },
86 
87 	{ ETHER_STAT_XCVR_ADDR,		"xcvr_addr",		NULL },
88 	{ ETHER_STAT_XCVR_ID,		"xcvr_id",		NULL },
89 	{ ETHER_STAT_XCVR_INUSE,	"xcvr_inuse",		NULL },
90 
91 	{ ETHER_STAT_CAP_1000FDX,	"cap_1000fdx",		NULL },
92 	{ ETHER_STAT_CAP_1000HDX,	"cap_1000hdx",		NULL },
93 	{ ETHER_STAT_CAP_100FDX,	"cap_100fdx",		NULL },
94 	{ ETHER_STAT_CAP_100HDX,	"cap_100hdx",		NULL },
95 	{ ETHER_STAT_CAP_10FDX,		"cap_10fdx",		NULL },
96 	{ ETHER_STAT_CAP_10HDX,		"cap_10hdx",		NULL },
97 	{ ETHER_STAT_CAP_ASMPAUSE,	"cap_asmpause",		NULL },
98 	{ ETHER_STAT_CAP_PAUSE,		"cap_pause",		NULL },
99 	{ ETHER_STAT_CAP_AUTONEG,	"cap_autoneg",		NULL },
100 
101 	{ ETHER_STAT_ADV_CAP_1000FDX,	"adv_cap_1000fdx",	NULL },
102 	{ ETHER_STAT_ADV_CAP_1000HDX,	"adv_cap_1000hdx",	NULL },
103 	{ ETHER_STAT_ADV_CAP_100FDX,	"adv_cap_100fdx",	NULL },
104 	{ ETHER_STAT_ADV_CAP_100HDX,	"adv_cap_100hdx",	NULL },
105 	{ ETHER_STAT_ADV_CAP_10FDX,	"adv_cap_10fdx",	NULL },
106 	{ ETHER_STAT_ADV_CAP_10HDX,	"adv_cap_10hdx",	NULL },
107 	{ ETHER_STAT_ADV_CAP_ASMPAUSE,	"adv_cap_asmpause",	NULL },
108 	{ ETHER_STAT_ADV_CAP_PAUSE,	"adv_cap_pause", 	NULL },
109 	{ ETHER_STAT_ADV_CAP_AUTONEG,	"adv_cap_autoneg", 	NULL },
110 
111 	{ ETHER_STAT_LP_CAP_1000FDX,	"lp_cap_1000fdx",	NULL },
112 	{ ETHER_STAT_LP_CAP_1000HDX,	"lp_cap_1000hdx",	NULL },
113 	{ ETHER_STAT_LP_CAP_100FDX,	"lp_cap_100fdx",	NULL },
114 	{ ETHER_STAT_LP_CAP_100HDX,	"lp_cap_100hdx",	NULL },
115 	{ ETHER_STAT_LP_CAP_10FDX,	"lp_cap_10fdx",		NULL },
116 	{ ETHER_STAT_LP_CAP_10HDX,	"lp_cap_10hdx",		NULL },
117 	{ ETHER_STAT_LP_CAP_ASMPAUSE,	"lp_cap_asmpause",	NULL },
118 	{ ETHER_STAT_LP_CAP_PAUSE,	"lp_cap_pause",		NULL },
119 	{ ETHER_STAT_LP_CAP_AUTONEG,	"lp_cap_autoneg",	NULL },
120 
121 	{ ETHER_STAT_LINK_ASMPAUSE,	"link_asmpause",	NULL },
122 	{ ETHER_STAT_LINK_PAUSE,	"link_pause",		NULL },
123 	{ ETHER_STAT_LINK_AUTONEG,	"link_autoneg", 	NULL },
124 	{ ETHER_STAT_LINK_DUPLEX,	"link_duplex",		"duplex" },
125 
126 	{ ETHER_STAT_TOOSHORT_ERRORS,	"runt_errors",		NULL },
127 	{ ETHER_STAT_CAP_REMFAULT,	"cap_rem_fault",	NULL },
128 	{ ETHER_STAT_ADV_REMFAULT,	"adv_rem_fault",	NULL },
129 	{ ETHER_STAT_LP_REMFAULT,	"lp_rem_fault",		NULL },
130 
131 	{ ETHER_STAT_JABBER_ERRORS,	"jabber_errors",	NULL },
132 	{ ETHER_STAT_CAP_100T4,		"cap_100T4",		NULL },
133 	{ ETHER_STAT_ADV_CAP_100T4,	"adv_cap_100T4",	NULL },
134 	{ ETHER_STAT_LP_CAP_100T4,	"lp_cap_100T4",		NULL },
135 
136 	{ ETHER_STAT_CAP_10GFDX,	"cap_10gfdx",		NULL },
137 	{ ETHER_STAT_ADV_CAP_10GFDX,	"adv_cap_10gfdx",	NULL },
138 	{ ETHER_STAT_LP_CAP_1000FDX,	"lp_cap_10gfdx",	NULL },
139 
140 	{ ETHER_STAT_CAP_40GFDX,	"cap_40gfdx",		NULL },
141 	{ ETHER_STAT_ADV_CAP_40GFDX,	"adv_cap_40gfdx",	NULL },
142 	{ ETHER_STAT_LP_CAP_40GFDX,	"lp_cap_40gfdx",	NULL },
143 
144 	{ ETHER_STAT_CAP_100GFDX,	"cap_100gfdx",		NULL },
145 	{ ETHER_STAT_ADV_CAP_100GFDX,	"adv_cap_100gfdx",	NULL },
146 	{ ETHER_STAT_LP_CAP_100GFDX,	"lp_cap_100gfdx",	NULL },
147 
148 	{ ETHER_STAT_CAP_2500FDX,	"cap_2500fdx",		NULL },
149 	{ ETHER_STAT_ADV_CAP_2500FDX,	"adv_cap_2500fdx",	NULL },
150 	{ ETHER_STAT_LP_CAP_2500FDX,	"lp_cap_2500fdx",	NULL },
151 
152 	{ ETHER_STAT_CAP_5000FDX,	"cap_5000fdx",		NULL },
153 	{ ETHER_STAT_ADV_CAP_5000FDX,	"adv_cap_5000fdx",	NULL },
154 	{ ETHER_STAT_LP_CAP_5000FDX,	"lp_cap_5000fdx",	NULL },
155 };
156 
157 #define	SOFTMAC_ETHER_SI_SZ						\
158 	(sizeof (i_softmac_ether_si) / sizeof (i_softmac_ether_si[0]))
159 
160 static kstat_t	*softmac_hold_dev_kstat(softmac_t *);
161 static void	softmac_rele_dev_kstat(kstat_t *);
162 static int	softmac_get_kstat(kstat_t *, char *, uint64_t *);
163 
164 static kstat_t *
165 softmac_hold_dev_kstat(softmac_t *softmac)
166 {
167 	char		drv[MAXLINKNAMELEN];
168 	uint_t		ppa;
169 	kstat_t		*ksp;
170 
171 	if (ddi_parse(softmac->smac_devname, drv, &ppa) != DDI_SUCCESS)
172 		return (NULL);
173 
174 	/*
175 	 * Find the kstat by the module name and the instance number.
176 	 */
177 	ksp = kstat_hold_byname(drv, ppa, softmac->smac_devname, ALL_ZONES);
178 	if (ksp != NULL) {
179 		KSTAT_ENTER(ksp);
180 
181 		if ((ksp->ks_data != NULL) &&
182 		    (ksp->ks_type == KSTAT_TYPE_NAMED)) {
183 			/*
184 			 * Update the kstat to get the latest statistics.
185 			 */
186 			if (KSTAT_UPDATE(ksp, KSTAT_READ) == 0)
187 				return (ksp);
188 		}
189 
190 		KSTAT_EXIT(ksp);
191 		kstat_rele(ksp);
192 	}
193 	return (NULL);
194 }
195 
196 static void
197 softmac_rele_dev_kstat(kstat_t *ksp)
198 {
199 	KSTAT_EXIT(ksp);
200 	kstat_rele(ksp);
201 }
202 
203 /*
204  * The kstat needs to be held when calling this function.
205  */
206 static int
207 softmac_get_kstat(kstat_t *ksp, char *name, uint64_t *valp)
208 {
209 	kstat_named_t	*knp;
210 	int		i;
211 	int		ret = ENOTSUP;
212 
213 	if (name == NULL)
214 		return (ret);
215 
216 	/*
217 	 * Search the kstat with the given name.
218 	 */
219 	for (i = 0, knp = KSTAT_NAMED_PTR(ksp); i < ksp->ks_ndata; i++, knp++) {
220 		if (strcmp(knp->name, name) == 0) {
221 			switch (knp->data_type) {
222 			case KSTAT_DATA_INT32:
223 			case KSTAT_DATA_UINT32:
224 				*valp = (uint64_t)(knp->value.ui32);
225 				ret = 0;
226 				break;
227 			case KSTAT_DATA_INT64:
228 			case KSTAT_DATA_UINT64:
229 				*valp = knp->value.ui64;
230 				ret = 0;
231 				break;
232 #ifdef _LP64
233 			case KSTAT_DATA_LONG:
234 			case KSTAT_DATA_ULONG:
235 				*valp = (uint64_t)knp->value.ul;
236 				ret = 0;
237 				break;
238 #endif
239 			case KSTAT_DATA_CHAR:
240 				if (strcmp(name, "duplex") != 0)
241 					break;
242 				if (strncmp(knp->value.c, "full", 4) == 0)
243 					*valp = LINK_DUPLEX_FULL;
244 				else if (strncmp(knp->value.c, "half", 4) == 0)
245 					*valp = LINK_DUPLEX_HALF;
246 				else
247 					*valp = LINK_DUPLEX_UNKNOWN;
248 				ret = 0;
249 				break;
250 			}
251 			break;
252 		}
253 	}
254 
255 	return (ret);
256 }
257 
258 int
259 softmac_m_stat(void *arg, uint_t stat, uint64_t *val)
260 {
261 	softmac_t	*softmac = arg;
262 	kstat_t		*ksp;
263 	uint_t		index;
264 	int		ret;
265 
266 	if ((ksp = softmac_hold_dev_kstat(softmac)) == NULL)
267 		return (ENOTSUP);
268 
269 	if (IS_MAC_STAT(stat)) {
270 		i_softmac_stat_info_t *ssip = NULL;
271 
272 		for (index = 0; index < SOFTMAC_DRIVER_SI_SZ; index++) {
273 			if (stat == i_softmac_driver_si[index].ssi_stat) {
274 				ssip = &i_softmac_driver_si[index];
275 				break;
276 			}
277 		}
278 
279 		if (ssip == NULL) {
280 			ret = ENOTSUP;
281 		} else {
282 			if ((ret = softmac_get_kstat(ksp, ssip->ssi_name,
283 			    val)) != 0)
284 				ret = softmac_get_kstat(ksp, ssip->ssi_alias,
285 				    val);
286 		}
287 	} else {
288 		ASSERT(IS_MACTYPE_STAT(stat));
289 
290 		switch (softmac->smac_media) {
291 		case DL_ETHER: {
292 			i_softmac_stat_info_t *ssip = NULL;
293 
294 			for (index = 0; index < SOFTMAC_ETHER_SI_SZ; index++) {
295 				if (stat ==
296 				    i_softmac_ether_si[index].ssi_stat) {
297 					ssip = &i_softmac_ether_si[index];
298 					break;
299 				}
300 			}
301 
302 			if (ssip == NULL) {
303 				ret = ENOTSUP;
304 			} else {
305 				if ((ret = softmac_get_kstat(ksp,
306 				    ssip->ssi_name, val)) != 0)
307 					ret = softmac_get_kstat(ksp,
308 					    ssip->ssi_alias, val);
309 			}
310 
311 			break;
312 		}
313 		default:
314 			ret = ENOTSUP;
315 			break;
316 		}
317 	}
318 
319 	softmac_rele_dev_kstat(ksp);
320 	return (ret);
321 }
322