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 #include "igb_sw.h"
29
30 /*
31 * Update driver private statistics.
32 */
33 static int
34 igb_update_stats(kstat_t *ks, int rw)
35 {
36 igb_t *igb;
37 struct e1000_hw *hw;
38 igb_stat_t *igb_ks;
39 uint32_t val_low, val_high;
40 #ifdef IGB_DEBUG
41 int i;
42 #endif
43
44 if (rw == KSTAT_WRITE)
45 return (EACCES);
46
47 igb = (igb_t *)ks->ks_private;
48 igb_ks = (igb_stat_t *)ks->ks_data;
49 hw = &igb->hw;
50
51 mutex_enter(&igb->gen_lock);
52
53 /*
54 * Basic information.
55 */
56 igb_ks->link_speed.value.ui64 = igb->link_speed;
57 igb_ks->reset_count.value.ui64 = igb->reset_count;
58 igb_ks->dout_sync.value.ui64 = igb->dout_sync;
59
60 #ifdef IGB_DEBUG
61 igb_ks->rx_frame_error.value.ui64 = 0;
62 igb_ks->rx_cksum_error.value.ui64 = 0;
63 igb_ks->rx_exceed_pkt.value.ui64 = 0;
64 for (i = 0; i < igb->num_rx_rings; i++) {
65 igb_ks->rx_frame_error.value.ui64 +=
66 igb->rx_rings[i].stat_frame_error;
67 igb_ks->rx_cksum_error.value.ui64 +=
68 igb->rx_rings[i].stat_cksum_error;
69 igb_ks->rx_exceed_pkt.value.ui64 +=
70 igb->rx_rings[i].stat_exceed_pkt;
71 }
72
73 igb_ks->tx_overload.value.ui64 = 0;
74 igb_ks->tx_fail_no_tbd.value.ui64 = 0;
75 igb_ks->tx_fail_no_tcb.value.ui64 = 0;
76 igb_ks->tx_fail_dma_bind.value.ui64 = 0;
77 igb_ks->tx_reschedule.value.ui64 = 0;
78 for (i = 0; i < igb->num_tx_rings; i++) {
79 igb_ks->tx_overload.value.ui64 +=
80 igb->tx_rings[i].stat_overload;
81 igb_ks->tx_fail_no_tbd.value.ui64 +=
82 igb->tx_rings[i].stat_fail_no_tbd;
83 igb_ks->tx_fail_no_tcb.value.ui64 +=
84 igb->tx_rings[i].stat_fail_no_tcb;
85 igb_ks->tx_fail_dma_bind.value.ui64 +=
86 igb->tx_rings[i].stat_fail_dma_bind;
87 igb_ks->tx_reschedule.value.ui64 +=
88 igb->tx_rings[i].stat_reschedule;
89 }
90
91 /*
92 * Hardware calculated statistics.
93 */
94 igb_ks->gprc.value.ul += E1000_READ_REG(hw, E1000_GPRC);
95 igb_ks->gptc.value.ul += E1000_READ_REG(hw, E1000_GPTC);
96 igb_ks->prc64.value.ul += E1000_READ_REG(hw, E1000_PRC64);
97 igb_ks->prc127.value.ul += E1000_READ_REG(hw, E1000_PRC127);
98 igb_ks->prc255.value.ul += E1000_READ_REG(hw, E1000_PRC255);
99 igb_ks->prc511.value.ul += E1000_READ_REG(hw, E1000_PRC511);
100 igb_ks->prc1023.value.ul += E1000_READ_REG(hw, E1000_PRC1023);
101 igb_ks->prc1522.value.ul += E1000_READ_REG(hw, E1000_PRC1522);
102 igb_ks->ptc64.value.ul += E1000_READ_REG(hw, E1000_PTC64);
103 igb_ks->ptc127.value.ul += E1000_READ_REG(hw, E1000_PTC127);
104 igb_ks->ptc255.value.ul += E1000_READ_REG(hw, E1000_PTC255);
105 igb_ks->ptc511.value.ul += E1000_READ_REG(hw, E1000_PTC511);
106 igb_ks->ptc1023.value.ul += E1000_READ_REG(hw, E1000_PTC1023);
107 igb_ks->ptc1522.value.ul += E1000_READ_REG(hw, E1000_PTC1522);
108
109 /*
110 * The 64-bit register will reset whenever the upper
111 * 32 bits are read. So we need to read the lower
112 * 32 bits first, then read the upper 32 bits.
113 */
114 val_low = E1000_READ_REG(hw, E1000_GORCL);
115 val_high = E1000_READ_REG(hw, E1000_GORCH);
116 igb_ks->gor.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
117
118 val_low = E1000_READ_REG(hw, E1000_GOTCL);
119 val_high = E1000_READ_REG(hw, E1000_GOTCH);
120 igb_ks->got.value.ui64 += (uint64_t)val_high << 32 | (uint64_t)val_low;
121 #endif
122
123 igb_ks->symerrs.value.ui64 += E1000_READ_REG(hw, E1000_SYMERRS);
124 igb_ks->mpc.value.ui64 += E1000_READ_REG(hw, E1000_MPC);
125 igb_ks->rlec.value.ui64 += E1000_READ_REG(hw, E1000_RLEC);
126 igb_ks->fcruc.value.ui64 += E1000_READ_REG(hw, E1000_FCRUC);
127 igb_ks->rfc.value.ul += E1000_READ_REG(hw, E1000_RFC);
128 igb_ks->tncrs.value.ul += E1000_READ_REG(hw, E1000_TNCRS);
129 igb_ks->tsctc.value.ul += E1000_READ_REG(hw, E1000_TSCTC);
130 igb_ks->tsctfc.value.ul += E1000_READ_REG(hw, E1000_TSCTFC);
131 igb_ks->xonrxc.value.ui64 += E1000_READ_REG(hw, E1000_XONRXC);
132 igb_ks->xontxc.value.ui64 += E1000_READ_REG(hw, E1000_XONTXC);
133 igb_ks->xoffrxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFRXC);
134 igb_ks->xofftxc.value.ui64 += E1000_READ_REG(hw, E1000_XOFFTXC);
135
136 mutex_exit(&igb->gen_lock);
137
138 if (igb_check_acc_handle(igb->osdep.reg_handle) != DDI_FM_OK) {
139 ddi_fm_service_impact(igb->dip, DDI_SERVICE_DEGRADED);
140 return (EIO);
141 }
142
143 return (0);
144 }
145
146 /*
147 * Create and initialize the driver private statistics.
148 */
149 int
150 igb_init_stats(igb_t *igb)
151 {
152 kstat_t *ks;
153 igb_stat_t *igb_ks;
154
155 /*
156 * Create and init kstat
157 */
158 ks = kstat_create(MODULE_NAME, ddi_get_instance(igb->dip),
159 "statistics", "net", KSTAT_TYPE_NAMED,
160 sizeof (igb_stat_t) / sizeof (kstat_named_t), 0);
161
162 if (ks == NULL) {
163 igb_error(igb,
164 "Could not create kernel statistics");
165 return (IGB_FAILURE);
166 }
167
168 igb->igb_ks = ks;
169
170 igb_ks = (igb_stat_t *)ks->ks_data;
171
172 /*
173 * Initialize all the statistics.
174 */
175 kstat_named_init(&igb_ks->link_speed, "link_speed",
176 KSTAT_DATA_UINT64);
177 kstat_named_init(&igb_ks->reset_count, "reset_count",
178 KSTAT_DATA_UINT64);
179 kstat_named_init(&igb_ks->dout_sync, "DMA_out_sync",
180 KSTAT_DATA_UINT64);
181
182 #ifdef IGB_DEBUG
183 kstat_named_init(&igb_ks->rx_frame_error, "rx_frame_error",
184 KSTAT_DATA_UINT64);
185 kstat_named_init(&igb_ks->rx_cksum_error, "rx_cksum_error",
186 KSTAT_DATA_UINT64);
187 kstat_named_init(&igb_ks->rx_exceed_pkt, "rx_exceed_pkt",
188 KSTAT_DATA_UINT64);
189 kstat_named_init(&igb_ks->tx_overload, "tx_overload",
190 KSTAT_DATA_UINT64);
191 kstat_named_init(&igb_ks->tx_fail_no_tbd, "tx_fail_no_tbd",
192 KSTAT_DATA_UINT64);
193 kstat_named_init(&igb_ks->tx_fail_no_tcb, "tx_fail_no_tcb",
194 KSTAT_DATA_UINT64);
195 kstat_named_init(&igb_ks->tx_fail_dma_bind, "tx_fail_dma_bind",
196 KSTAT_DATA_UINT64);
197 kstat_named_init(&igb_ks->tx_reschedule, "tx_reschedule",
198 KSTAT_DATA_UINT64);
199
200 kstat_named_init(&igb_ks->gprc, "good_pkts_recvd",
201 KSTAT_DATA_UINT64);
202 kstat_named_init(&igb_ks->gptc, "good_pkts_xmitd",
203 KSTAT_DATA_UINT64);
204 kstat_named_init(&igb_ks->gor, "good_octets_recvd",
205 KSTAT_DATA_UINT64);
206 kstat_named_init(&igb_ks->got, "good_octets_xmitd",
207 KSTAT_DATA_UINT64);
208 kstat_named_init(&igb_ks->prc64, "pkts_recvd_( 64b)",
209 KSTAT_DATA_UINT64);
210 kstat_named_init(&igb_ks->prc127, "pkts_recvd_( 65- 127b)",
211 KSTAT_DATA_UINT64);
212 kstat_named_init(&igb_ks->prc255, "pkts_recvd_( 127- 255b)",
213 KSTAT_DATA_UINT64);
214 kstat_named_init(&igb_ks->prc511, "pkts_recvd_( 256- 511b)",
215 KSTAT_DATA_UINT64);
216 kstat_named_init(&igb_ks->prc1023, "pkts_recvd_( 511-1023b)",
217 KSTAT_DATA_UINT64);
218 kstat_named_init(&igb_ks->prc1522, "pkts_recvd_(1024-1522b)",
219 KSTAT_DATA_UINT64);
220 kstat_named_init(&igb_ks->ptc64, "pkts_xmitd_( 64b)",
221 KSTAT_DATA_UINT64);
222 kstat_named_init(&igb_ks->ptc127, "pkts_xmitd_( 65- 127b)",
223 KSTAT_DATA_UINT64);
224 kstat_named_init(&igb_ks->ptc255, "pkts_xmitd_( 128- 255b)",
225 KSTAT_DATA_UINT64);
226 kstat_named_init(&igb_ks->ptc511, "pkts_xmitd_( 255- 511b)",
227 KSTAT_DATA_UINT64);
228 kstat_named_init(&igb_ks->ptc1023, "pkts_xmitd_( 512-1023b)",
229 KSTAT_DATA_UINT64);
230 kstat_named_init(&igb_ks->ptc1522, "pkts_xmitd_(1024-1522b)",
231 KSTAT_DATA_UINT64);
232 #endif
233
234 kstat_named_init(&igb_ks->symerrs, "recv_symbol_errors",
235 KSTAT_DATA_UINT64);
236 kstat_named_init(&igb_ks->mpc, "recv_missed_packets",
237 KSTAT_DATA_UINT64);
238 kstat_named_init(&igb_ks->rlec, "recv_length_errors",
239 KSTAT_DATA_UINT64);
240 kstat_named_init(&igb_ks->fcruc, "recv_unsupport_FC_pkts",
241 KSTAT_DATA_UINT64);
242 kstat_named_init(&igb_ks->rfc, "recv_frag",
243 KSTAT_DATA_UINT64);
244 kstat_named_init(&igb_ks->tncrs, "xmit_with_no_CRS",
245 KSTAT_DATA_UINT64);
246 kstat_named_init(&igb_ks->tsctc, "xmit_TCP_seg_contexts",
247 KSTAT_DATA_UINT64);
248 kstat_named_init(&igb_ks->tsctfc, "xmit_TCP_seg_contexts_fail",
249 KSTAT_DATA_UINT64);
250 kstat_named_init(&igb_ks->xonrxc, "XONs_recvd",
251 KSTAT_DATA_UINT64);
252 kstat_named_init(&igb_ks->xontxc, "XONs_xmitd",
253 KSTAT_DATA_UINT64);
254 kstat_named_init(&igb_ks->xoffrxc, "XOFFs_recvd",
255 KSTAT_DATA_UINT64);
256 kstat_named_init(&igb_ks->xofftxc, "XOFFs_xmitd",
257 KSTAT_DATA_UINT64);
258
259 /*
260 * Function to provide kernel stat update on demand
261 */
262 ks->ks_update = igb_update_stats;
263
264 ks->ks_private = (void *)igb;
265
266 /*
267 * Add kstat to systems kstat chain
268 */
269 kstat_install(ks);
270
271 return (IGB_SUCCESS);
272 }
273
274 /*
275 * Retrieve a value for one of the statistics for a particular rx ring
276 */
277 int
278 igb_rx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
279 {
280 igb_rx_ring_t *rx_ring = (igb_rx_ring_t *)rh;
281
282 switch (stat) {
283 case MAC_STAT_RBYTES:
284 *val = rx_ring->rx_bytes;
285 break;
286
287 case MAC_STAT_IPACKETS:
288 *val = rx_ring->rx_pkts;
289 break;
290
291 default:
292 *val = 0;
293 return (ENOTSUP);
294 }
295
296 return (0);
297 }
298
299 /*
300 * Retrieve a value for one of the statistics for a particular tx ring
301 */
302 int
303 igb_tx_ring_stat(mac_ring_driver_t rh, uint_t stat, uint64_t *val)
304 {
305 igb_tx_ring_t *tx_ring = (igb_tx_ring_t *)rh;
306
307 switch (stat) {
308 case MAC_STAT_OBYTES:
309 *val = tx_ring->tx_bytes;
310 break;
311
312 case MAC_STAT_OPACKETS:
313 *val = tx_ring->tx_pkts;
314 break;
315
316 default:
317 *val = 0;
318 return (ENOTSUP);
319 }
320
321 return (0);
322 }