1 /*
2 * CDDL HEADER START
3 *
4 * Copyright(c) 2007-2009 Intel Corporation. All rights reserved.
5 * The contents of this file are subject to the terms of the
6 * Common Development and Distribution License (the "License").
7 * You may not use this file except in compliance 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 /*
24 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
25 * Use is subject to license terms.
26 */
27 /*
28 * Copyright 2014 Pluribus Networks Inc.
29 */
30
31 #include "igb_sw.h"
32
33 /*
34 * Update driver private statistics.
35 */
36 static int
37 igb_update_stats(kstat_t *ks, int rw)
38 {
39 igb_t *igb;
40 struct e1000_hw *hw;
41 igb_stat_t *igb_ks;
42 uint32_t val_low, val_high;
43 #ifdef IGB_DEBUG
44 int i;
45 #endif
46
47 if (rw == KSTAT_WRITE)
48 return (EACCES);
49
50 igb = (igb_t *)ks->ks_private;
51 igb_ks = (igb_stat_t *)ks->ks_data;
52 hw = &igb->hw;
53
54 mutex_enter(&igb->gen_lock);
55
56 /*
57 * Basic information.
58 */
59 igb_ks->reset_count.value.ui64 = igb->reset_count;
60 igb_ks->dout_sync.value.ui64 = igb->dout_sync;
61
62 #ifdef IGB_DEBUG
63 igb_ks->rx_frame_error.value.ui64 = 0;
64 igb_ks->rx_cksum_error.value.ui64 = 0;
65 igb_ks->rx_exceed_pkt.value.ui64 = 0;
66 for (i = 0; i < igb->num_rx_rings; i++) {
67 igb_ks->rx_frame_error.value.ui64 +=
68 igb->rx_rings[i].stat_frame_error;
69 igb_ks->rx_cksum_error.value.ui64 +=
70 igb->rx_rings[i].stat_cksum_error;
71 igb_ks->rx_exceed_pkt.value.ui64 +=
72 igb->rx_rings[i].stat_exceed_pkt;
73 }
74
75 igb_ks->tx_overload.value.ui64 = 0;
76 igb_ks->tx_fail_no_tbd.value.ui64 = 0;
77 igb_ks->tx_fail_no_tcb.value.ui64 = 0;
78 igb_ks->tx_fail_dma_bind.value.ui64 = 0;
79 igb_ks->tx_reschedule.value.ui64 = 0;
80 for (i = 0; i < igb->num_tx_rings; i++) {
81 igb_ks->tx_overload.value.ui64 +=
82 igb->tx_rings[i].stat_overload;
83 igb_ks->tx_fail_no_tbd.value.ui64 +=
84 igb->tx_rings[i].stat_fail_no_tbd;
85 igb_ks->tx_fail_no_tcb.value.ui64 +=
86 igb->tx_rings[i].stat_fail_no_tcb;
87 igb_ks->tx_fail_dma_bind.value.ui64 +=
88 igb->tx_rings[i].stat_fail_dma_bind;
89 igb_ks->tx_reschedule.value.ui64 +=
90 igb->tx_rings[i].stat_reschedule;
91 }
92
93 /*
94 * Hardware calculated statistics.
95 */
96 igb_ks->gprc.value.ul += E1000_READ_REG(hw, E1000_GPRC);
97 igb_ks->gptc.value.ul += E1000_READ_REG(hw, E1000_GPTC);
98 igb_ks->prc64.value.ul += E1000_READ_REG(hw, E1000_PRC64);
99 igb_ks->prc127.value.ul += E1000_READ_REG(hw, E1000_PRC127);
100 igb_ks->prc255.value.ul += E1000_READ_REG(hw, E1000_PRC255);
101 igb_ks->prc511.value.ul += E1000_READ_REG(hw, E1000_PRC511);
102 igb_ks->prc1023.value.ul += E1000_READ_REG(hw, E1000_PRC1023);
103 igb_ks->prc1522.value.ul += E1000_READ_REG(hw, E1000_PRC1522);
104 igb_ks->ptc64.value.ul += E1000_READ_REG(hw, E1000_PTC64);
105 igb_ks->ptc127.value.ul += E1000_READ_REG(hw, E1000_PTC127);
106 igb_ks->ptc255.value.ul += E1000_READ_REG(hw, E1000_PTC255);
107 igb_ks->ptc511.value.ul += E1000_READ_REG(hw, E1000_PTC511);
108 igb_ks->ptc1023.value.ul += E1000_READ_REG(hw, E1000_PTC1023);
109 igb_ks->ptc1522.value.ul += E1000_READ_REG(hw, E1000_PTC1522);
110
111 /*
112 * The 64-bit register will reset whenever the upper
113 * 32 bits are read. So we need to read the lower
114 * 32 bits first, then read the upper 32 bits.
115 */
116 val_low = E1000_READ_REG(hw, E1000_GORCL);
117 val_high = E1000_READ_REG(hw, E1000_GORCH);
118 igb_ks->gor.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
119
120 val_low = E1000_READ_REG(hw, E1000_GOTCL);
121 val_high = E1000_READ_REG(hw, E1000_GOTCH);
122 igb_ks->got.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
123 #endif
124 igb_ks->symerrs.value.ui64 += E1000_READ_REG(hw, E1000_SYMERRS);
125 igb_ks->mpc.value.ui64 += E1000_READ_REG(hw, E1000_MPC);
126 igb_ks->rlec.value.ui64 += E1000_READ_REG(hw, E1000_RLEC);
127 igb_ks->fcruc.value.ui64 += E1000_READ_REG(hw, E1000_FCRUC);
128 igb_ks->rfc.value.ul += E1000_READ_REG(hw, E1000_RFC);
129 igb_ks->tncrs.value.ul += E1000_READ_REG(hw, E1000_TNCRS);
130 igb_ks->tsctc.value.ul += E1000_READ_REG(hw, E1000_TSCTC);
131 igb_ks->tsctfc.value.ul += E1000_READ_REG(hw, E1000_TSCTFC);
132 igb_ks->xonrxc.value.ui64 += E1000_READ_REG(hw, E1000_XONRXC);
133 igb_ks->xontxc.value.ui64 += E1000_READ_REG(hw, E1000_XONTXC);
134 igb_ks->xoffrxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFRXC);
135 igb_ks->xofftxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFTXC);
136
137 mutex_exit(&igb->gen_lock);
138
139 if (igb_check_acc_handle(igb->osdep.reg_handle) != DDI_FM_OK) {
140 ddi_fm_service_impact(igb->dip, DDI_SERVICE_DEGRADED);
141 return (EIO);
142 }
143
144 return (0);
145 }
146
147 /*
148 * Create and initialize the driver private statistics.
149 */
150 int
151 igb_init_stats(igb_t *igb)
152 {
153 kstat_t *ks;
154 igb_stat_t *igb_ks;
155
156 /*
157 * Create and init kstat
158 */
159 ks = kstat_create(MODULE_NAME, ddi_get_instance(igb->dip),
160 "statistics", "net", KSTAT_TYPE_NAMED,
161 sizeof (igb_stat_t) / sizeof (kstat_named_t), 0);
162
163 if (ks == NULL) {
164 igb_error(igb,
165 "Could not create kernel statistics");
166 return (IGB_FAILURE);
167 }
168
169 igb->igb_ks = ks;
170
171 igb_ks = (igb_stat_t *)ks->ks_data;
172
173 /*
174 * Initialize all the statistics.
175 */
176 kstat_named_init(&igb_ks->reset_count, "reset_count",
177 KSTAT_DATA_UINT64);
178 kstat_named_init(&igb_ks->dout_sync, "DMA_out_sync",
179 KSTAT_DATA_UINT64);
180
181 #ifdef IGB_DEBUG
182 kstat_named_init(&igb_ks->rx_frame_error, "rx_frame_error",
183 KSTAT_DATA_UINT64);
184 kstat_named_init(&igb_ks->rx_cksum_error, "rx_cksum_error",
185 KSTAT_DATA_UINT64);
186 kstat_named_init(&igb_ks->rx_exceed_pkt, "rx_exceed_pkt",
187 KSTAT_DATA_UINT64);
188 kstat_named_init(&igb_ks->tx_overload, "tx_overload",
189 KSTAT_DATA_UINT64);
190 kstat_named_init(&igb_ks->tx_fail_no_tbd, "tx_fail_no_tbd",
191 KSTAT_DATA_UINT64);
192 kstat_named_init(&igb_ks->tx_fail_no_tcb, "tx_fail_no_tcb",
193 KSTAT_DATA_UINT64);
194 kstat_named_init(&igb_ks->tx_fail_dma_bind, "tx_fail_dma_bind",
195 KSTAT_DATA_UINT64);
196 kstat_named_init(&igb_ks->tx_reschedule, "tx_reschedule",
197 KSTAT_DATA_UINT64);
198
199 kstat_named_init(&igb_ks->gprc, "good_pkts_recvd",
200 KSTAT_DATA_UINT64);
201 kstat_named_init(&igb_ks->gptc, "good_pkts_xmitd",
202 KSTAT_DATA_UINT64);
203 kstat_named_init(&igb_ks->gor, "good_octets_recvd",
204 KSTAT_DATA_UINT64);
205 kstat_named_init(&igb_ks->got, "good_octets_xmitd",
206 KSTAT_DATA_UINT64);
207 kstat_named_init(&igb_ks->prc64, "pkts_recvd_( 64b)",
208 KSTAT_DATA_UINT64);
209 kstat_named_init(&igb_ks->prc127, "pkts_recvd_( 65- 127b)",
210 KSTAT_DATA_UINT64);
211 kstat_named_init(&igb_ks->prc255, "pkts_recvd_( 127- 255b)",
212 KSTAT_DATA_UINT64);
213 kstat_named_init(&igb_ks->prc511, "pkts_recvd_( 256- 511b)",
214 KSTAT_DATA_UINT64);
215 kstat_named_init(&igb_ks->prc1023, "pkts_recvd_( 511-1023b)",
216 KSTAT_DATA_UINT64);
217 kstat_named_init(&igb_ks->prc1522, "pkts_recvd_(1024-1522b)",
218 KSTAT_DATA_UINT64);
219 kstat_named_init(&igb_ks->ptc64, "pkts_xmitd_( 64b)",
220 KSTAT_DATA_UINT64);
221 kstat_named_init(&igb_ks->ptc127, "pkts_xmitd_( 65- 127b)",
222 KSTAT_DATA_UINT64);
223 kstat_named_init(&igb_ks->ptc255, "pkts_xmitd_( 128- 255b)",
224 KSTAT_DATA_UINT64);
225 kstat_named_init(&igb_ks->ptc511, "pkts_xmitd_( 255- 511b)",
226 KSTAT_DATA_UINT64);
227 kstat_named_init(&igb_ks->ptc1023, "pkts_xmitd_( 512-1023b)",
228 KSTAT_DATA_UINT64);
229 kstat_named_init(&igb_ks->ptc1522, "pkts_xmitd_(1024-1522b)",
230 KSTAT_DATA_UINT64);
231 #endif
232
233 kstat_named_init(&igb_ks->symerrs, "recv_symbol_errors",
234 KSTAT_DATA_UINT64);
235 kstat_named_init(&igb_ks->mpc, "recv_missed_packets",
236 KSTAT_DATA_UINT64);
237 kstat_named_init(&igb_ks->rlec, "recv_length_errors",
238 KSTAT_DATA_UINT64);
239 kstat_named_init(&igb_ks->fcruc, "recv_unsupport_FC_pkts",
240 KSTAT_DATA_UINT64);
241 kstat_named_init(&igb_ks->rfc, "recv_frag",
242 KSTAT_DATA_UINT64);
243 kstat_named_init(&igb_ks->tncrs, "xmit_with_no_CRS",
244 KSTAT_DATA_UINT64);
245 kstat_named_init(&igb_ks->tsctc, "xmit_TCP_seg_contexts",
246 KSTAT_DATA_UINT64);
247 kstat_named_init(&igb_ks->tsctfc, "xmit_TCP_seg_contexts_fail",
248 KSTAT_DATA_UINT64);
249 kstat_named_init(&igb_ks->xonrxc, "XONs_recvd",
250 KSTAT_DATA_UINT64);
251 kstat_named_init(&igb_ks->xontxc, "XONs_xmitd",
252 KSTAT_DATA_UINT64);
253 kstat_named_init(&igb_ks->xoffrxc, "XOFFs_recvd",
254 KSTAT_DATA_UINT64);
255 kstat_named_init(&igb_ks->xofftxc, "XOFFs_xmitd",
256 KSTAT_DATA_UINT64);
257
258 /*
259 * Function to provide kernel stat update on demand
260 */
261 ks->ks_update = igb_update_stats;
262
263 ks->ks_private = (void *)igb;
264
265 /*
266 * Add kstat to systems kstat chain
267 */
268 kstat_install(ks);
269
270 return (IGB_SUCCESS);
271 }
272
273 /*
274 * Retrieve a value for one of the statistics for a particular rx ring
275 */
276 int
277 igb_rx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
278 {
279 igb_rx_ring_t *rx_ring = (igb_rx_ring_t *)rh;
280
281 switch (stat) {
282 case MAC_STAT_RBYTES:
283 *val = rx_ring->rx_bytes;
284 break;
285
286 case MAC_STAT_IPACKETS:
287 *val = rx_ring->rx_pkts;
288 break;
289
290 default:
291 *val = 0;
292 return (ENOTSUP);
293 }
294
295 return (0);
296 }
297
298 /*
299 * Retrieve a value for one of the statistics for a particular tx ring
300 */
301 int
302 igb_tx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
303 {
304 igb_tx_ring_t *tx_ring = (igb_tx_ring_t *)rh;
305
306 switch (stat) {
307 case MAC_STAT_OBYTES:
308 *val = tx_ring->tx_bytes;
309 break;
310
311 case MAC_STAT_OPACKETS:
312 *val = tx_ring->tx_pkts;
313 break;
314
315 default:
316 *val = 0;
317 return (ENOTSUP);
318 }
319
320 return (0);
321 }