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initial commit with v3.6.7
[linux-3.6.7-moxart.git] / drivers / net / ethernet / qlogic / qlge / qlge_ethtool.c
blob6f316ab23257dc7343776d92db05cc471561d681
1 #include <linux/kernel.h>
2 #include <linux/init.h>
3 #include <linux/types.h>
4 #include <linux/module.h>
5 #include <linux/list.h>
6 #include <linux/pci.h>
7 #include <linux/dma-mapping.h>
8 #include <linux/pagemap.h>
9 #include <linux/sched.h>
10 #include <linux/dmapool.h>
11 #include <linux/mempool.h>
12 #include <linux/spinlock.h>
13 #include <linux/kthread.h>
14 #include <linux/interrupt.h>
15 #include <linux/errno.h>
16 #include <linux/ioport.h>
17 #include <linux/in.h>
18 #include <linux/ip.h>
19 #include <linux/ipv6.h>
20 #include <net/ipv6.h>
21 #include <linux/tcp.h>
22 #include <linux/udp.h>
23 #include <linux/if_arp.h>
24 #include <linux/if_ether.h>
25 #include <linux/netdevice.h>
26 #include <linux/etherdevice.h>
27 #include <linux/ethtool.h>
28 #include <linux/skbuff.h>
29 #include <linux/rtnetlink.h>
30 #include <linux/if_vlan.h>
31 #include <linux/delay.h>
32 #include <linux/mm.h>
33 #include <linux/vmalloc.h>
34
35
36 #include "qlge.h"
37
38 struct ql_stats {
39 char stat_string[ETH_GSTRING_LEN];
40 int sizeof_stat;
41 int stat_offset;
42 };
43
44 #define QL_SIZEOF(m) FIELD_SIZEOF(struct ql_adapter, m)
45 #define QL_OFF(m) offsetof(struct ql_adapter, m)
46
47 static const struct ql_stats ql_gstrings_stats[] = {
48 {"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)},
49 {"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)},
50 {"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts),
51 QL_OFF(nic_stats.tx_mcast_pkts)},
52 {"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts),
53 QL_OFF(nic_stats.tx_bcast_pkts)},
54 {"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts),
55 QL_OFF(nic_stats.tx_ucast_pkts)},
56 {"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts),
57 QL_OFF(nic_stats.tx_ctl_pkts)},
58 {"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts),
59 QL_OFF(nic_stats.tx_pause_pkts)},
60 {"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt),
61 QL_OFF(nic_stats.tx_64_pkt)},
62 {"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt),
63 QL_OFF(nic_stats.tx_65_to_127_pkt)},
64 {"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt),
65 QL_OFF(nic_stats.tx_128_to_255_pkt)},
66 {"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt),
67 QL_OFF(nic_stats.tx_256_511_pkt)},
68 {"tx_512_to_1023_pkts", QL_SIZEOF(nic_stats.tx_512_to_1023_pkt),
69 QL_OFF(nic_stats.tx_512_to_1023_pkt)},
70 {"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt),
71 QL_OFF(nic_stats.tx_1024_to_1518_pkt)},
72 {"tx_1519_to_max_pkts", QL_SIZEOF(nic_stats.tx_1519_to_max_pkt),
73 QL_OFF(nic_stats.tx_1519_to_max_pkt)},
74 {"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt),
75 QL_OFF(nic_stats.tx_undersize_pkt)},
76 {"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt),
77 QL_OFF(nic_stats.tx_oversize_pkt)},
78 {"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)},
79 {"rx_bytes_ok", QL_SIZEOF(nic_stats.rx_bytes_ok),
80 QL_OFF(nic_stats.rx_bytes_ok)},
81 {"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)},
82 {"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok),
83 QL_OFF(nic_stats.rx_pkts_ok)},
84 {"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts),
85 QL_OFF(nic_stats.rx_bcast_pkts)},
86 {"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts),
87 QL_OFF(nic_stats.rx_mcast_pkts)},
88 {"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts),
89 QL_OFF(nic_stats.rx_ucast_pkts)},
90 {"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts),
91 QL_OFF(nic_stats.rx_undersize_pkts)},
92 {"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts),
93 QL_OFF(nic_stats.rx_oversize_pkts)},
94 {"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts),
95 QL_OFF(nic_stats.rx_jabber_pkts)},
96 {"rx_undersize_fcerr_pkts",
97 QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts),
98 QL_OFF(nic_stats.rx_undersize_fcerr_pkts)},
99 {"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events),
100 QL_OFF(nic_stats.rx_drop_events)},
101 {"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts),
102 QL_OFF(nic_stats.rx_fcerr_pkts)},
103 {"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err),
104 QL_OFF(nic_stats.rx_align_err)},
105 {"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err),
106 QL_OFF(nic_stats.rx_symbol_err)},
107 {"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err),
108 QL_OFF(nic_stats.rx_mac_err)},
109 {"rx_ctl_pkts", QL_SIZEOF(nic_stats.rx_ctl_pkts),
110 QL_OFF(nic_stats.rx_ctl_pkts)},
111 {"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts),
112 QL_OFF(nic_stats.rx_pause_pkts)},
113 {"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts),
114 QL_OFF(nic_stats.rx_64_pkts)},
115 {"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts),
116 QL_OFF(nic_stats.rx_65_to_127_pkts)},
117 {"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts),
118 QL_OFF(nic_stats.rx_128_255_pkts)},
119 {"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts),
120 QL_OFF(nic_stats.rx_256_511_pkts)},
121 {"rx_512_to_1023_pkts", QL_SIZEOF(nic_stats.rx_512_to_1023_pkts),
122 QL_OFF(nic_stats.rx_512_to_1023_pkts)},
123 {"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts),
124 QL_OFF(nic_stats.rx_1024_to_1518_pkts)},
125 {"rx_1519_to_max_pkts", QL_SIZEOF(nic_stats.rx_1519_to_max_pkts),
126 QL_OFF(nic_stats.rx_1519_to_max_pkts)},
127 {"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts),
128 QL_OFF(nic_stats.rx_len_err_pkts)},
129 {"rx_code_err", QL_SIZEOF(nic_stats.rx_code_err),
130 QL_OFF(nic_stats.rx_code_err)},
131 {"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err),
132 QL_OFF(nic_stats.rx_oversize_err)},
133 {"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err),
134 QL_OFF(nic_stats.rx_undersize_err)},
135 {"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err),
136 QL_OFF(nic_stats.rx_preamble_err)},
137 {"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err),
138 QL_OFF(nic_stats.rx_frame_len_err)},
139 {"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err),
140 QL_OFF(nic_stats.rx_crc_err)},
141 {"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count),
142 QL_OFF(nic_stats.rx_err_count)},
143 {"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0),
144 QL_OFF(nic_stats.tx_cbfc_pause_frames0)},
145 {"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1),
146 QL_OFF(nic_stats.tx_cbfc_pause_frames1)},
147 {"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2),
148 QL_OFF(nic_stats.tx_cbfc_pause_frames2)},
149 {"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3),
150 QL_OFF(nic_stats.tx_cbfc_pause_frames3)},
151 {"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4),
152 QL_OFF(nic_stats.tx_cbfc_pause_frames4)},
153 {"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5),
154 QL_OFF(nic_stats.tx_cbfc_pause_frames5)},
155 {"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6),
156 QL_OFF(nic_stats.tx_cbfc_pause_frames6)},
157 {"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7),
158 QL_OFF(nic_stats.tx_cbfc_pause_frames7)},
159 {"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0),
160 QL_OFF(nic_stats.rx_cbfc_pause_frames0)},
161 {"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1),
162 QL_OFF(nic_stats.rx_cbfc_pause_frames1)},
163 {"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2),
164 QL_OFF(nic_stats.rx_cbfc_pause_frames2)},
165 {"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3),
166 QL_OFF(nic_stats.rx_cbfc_pause_frames3)},
167 {"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4),
168 QL_OFF(nic_stats.rx_cbfc_pause_frames4)},
169 {"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5),
170 QL_OFF(nic_stats.rx_cbfc_pause_frames5)},
171 {"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6),
172 QL_OFF(nic_stats.rx_cbfc_pause_frames6)},
173 {"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7),
174 QL_OFF(nic_stats.rx_cbfc_pause_frames7)},
175 {"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop),
176 QL_OFF(nic_stats.rx_nic_fifo_drop)},
177 };
178
179 static const char ql_gstrings_test[][ETH_GSTRING_LEN] = {
180 "Loopback test (offline)"
181 };
182 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
183 #define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats)
184
185 static int ql_update_ring_coalescing(struct ql_adapter *qdev)
186 {
187 int i, status = 0;
188 struct rx_ring *rx_ring;
189 struct cqicb *cqicb;
190
191 if (!netif_running(qdev->ndev))
192 return status;
193
194 /* Skip the default queue, and update the outbound handler
195 * queues if they changed.
196 */
197 cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
198 if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
199 le16_to_cpu(cqicb->pkt_delay) !=
200 qdev->tx_max_coalesced_frames) {
201 for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
202 rx_ring = &qdev->rx_ring[i];
203 cqicb = (struct cqicb *)rx_ring;
204 cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
205 cqicb->pkt_delay =
206 cpu_to_le16(qdev->tx_max_coalesced_frames);
207 cqicb->flags = FLAGS_LI;
208 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
209 CFG_LCQ, rx_ring->cq_id);
210 if (status) {
211 netif_err(qdev, ifup, qdev->ndev,
212 "Failed to load CQICB.\n");
213 goto exit;
214 }
215 }
216 }
217
218 /* Update the inbound (RSS) handler queues if they changed. */
219 cqicb = (struct cqicb *)&qdev->rx_ring[0];
220 if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
221 le16_to_cpu(cqicb->pkt_delay) !=
222 qdev->rx_max_coalesced_frames) {
223 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
224 rx_ring = &qdev->rx_ring[i];
225 cqicb = (struct cqicb *)rx_ring;
226 cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
227 cqicb->pkt_delay =
228 cpu_to_le16(qdev->rx_max_coalesced_frames);
229 cqicb->flags = FLAGS_LI;
230 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
231 CFG_LCQ, rx_ring->cq_id);
232 if (status) {
233 netif_err(qdev, ifup, qdev->ndev,
234 "Failed to load CQICB.\n");
235 goto exit;
236 }
237 }
238 }
239 exit:
240 return status;
241 }
242
243 static void ql_update_stats(struct ql_adapter *qdev)
244 {
245 u32 i;
246 u64 data;
247 u64 *iter = &qdev->nic_stats.tx_pkts;
248
249 spin_lock(&qdev->stats_lock);
250 if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
251 netif_err(qdev, drv, qdev->ndev,
252 "Couldn't get xgmac sem.\n");
253 goto quit;
254 }
255 /*
256 * Get TX statistics.
257 */
258 for (i = 0x200; i < 0x280; i += 8) {
259 if (ql_read_xgmac_reg64(qdev, i, &data)) {
260 netif_err(qdev, drv, qdev->ndev,
261 "Error reading status register 0x%.04x.\n",
262 i);
263 goto end;
264 } else
265 *iter = data;
266 iter++;
267 }
268
269 /*
270 * Get RX statistics.
271 */
272 for (i = 0x300; i < 0x3d0; i += 8) {
273 if (ql_read_xgmac_reg64(qdev, i, &data)) {
274 netif_err(qdev, drv, qdev->ndev,
275 "Error reading status register 0x%.04x.\n",
276 i);
277 goto end;
278 } else
279 *iter = data;
280 iter++;
281 }
282
283 /*
284 * Get Per-priority TX pause frame counter statistics.
285 */
286 for (i = 0x500; i < 0x540; i += 8) {
287 if (ql_read_xgmac_reg64(qdev, i, &data)) {
288 netif_err(qdev, drv, qdev->ndev,
289 "Error reading status register 0x%.04x.\n",
290 i);
291 goto end;
292 } else
293 *iter = data;
294 iter++;
295 }
296
297 /*
298 * Get Per-priority RX pause frame counter statistics.
299 */
300 for (i = 0x568; i < 0x5a8; i += 8) {
301 if (ql_read_xgmac_reg64(qdev, i, &data)) {
302 netif_err(qdev, drv, qdev->ndev,
303 "Error reading status register 0x%.04x.\n",
304 i);
305 goto end;
306 } else
307 *iter = data;
308 iter++;
309 }
310
311 /*
312 * Get RX NIC FIFO DROP statistics.
313 */
314 if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
315 netif_err(qdev, drv, qdev->ndev,
316 "Error reading status register 0x%.04x.\n", i);
317 goto end;
318 } else
319 *iter = data;
320 end:
321 ql_sem_unlock(qdev, qdev->xg_sem_mask);
322 quit:
323 spin_unlock(&qdev->stats_lock);
324
325 QL_DUMP_STAT(qdev);
326 }
327
328 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
329 {
330 int index;
331 switch (stringset) {
332 case ETH_SS_TEST:
333 memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
334 break;
335 case ETH_SS_STATS:
336 for (index = 0; index < QLGE_STATS_LEN; index++) {
337 memcpy(buf + index * ETH_GSTRING_LEN,
338 ql_gstrings_stats[index].stat_string,
339 ETH_GSTRING_LEN);
340 }
341 break;
342 }
343 }
344
345 static int ql_get_sset_count(struct net_device *dev, int sset)
346 {
347 switch (sset) {
348 case ETH_SS_TEST:
349 return QLGE_TEST_LEN;
350 case ETH_SS_STATS:
351 return QLGE_STATS_LEN;
352 default:
353 return -EOPNOTSUPP;
354 }
355 }
356
357 static void
358 ql_get_ethtool_stats(struct net_device *ndev,
359 struct ethtool_stats *stats, u64 *data)
360 {
361 struct ql_adapter *qdev = netdev_priv(ndev);
362 int index, length;
363
364 length = QLGE_STATS_LEN;
365 ql_update_stats(qdev);
366
367 for (index = 0; index < length; index++) {
368 char *p = (char *)qdev +
369 ql_gstrings_stats[index].stat_offset;
370 *data++ = (ql_gstrings_stats[index].sizeof_stat ==
371 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
372 }
373 }
374
375 static int ql_get_settings(struct net_device *ndev,
376 struct ethtool_cmd *ecmd)
377 {
378 struct ql_adapter *qdev = netdev_priv(ndev);
379
380 ecmd->supported = SUPPORTED_10000baseT_Full;
381 ecmd->advertising = ADVERTISED_10000baseT_Full;
382 ecmd->autoneg = AUTONEG_ENABLE;
383 ecmd->transceiver = XCVR_EXTERNAL;
384 if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
385 STS_LINK_TYPE_10GBASET) {
386 ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
387 ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
388 ecmd->port = PORT_TP;
389 } else {
390 ecmd->supported |= SUPPORTED_FIBRE;
391 ecmd->advertising |= ADVERTISED_FIBRE;
392 ecmd->port = PORT_FIBRE;
393 }
394
395 ethtool_cmd_speed_set(ecmd, SPEED_10000);
396 ecmd->duplex = DUPLEX_FULL;
397
398 return 0;
399 }
400
401 static void ql_get_drvinfo(struct net_device *ndev,
402 struct ethtool_drvinfo *drvinfo)
403 {
404 struct ql_adapter *qdev = netdev_priv(ndev);
405 strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
406 strlcpy(drvinfo->version, qlge_driver_version,
407 sizeof(drvinfo->version));
408 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
409 "v%d.%d.%d",
410 (qdev->fw_rev_id & 0x00ff0000) >> 16,
411 (qdev->fw_rev_id & 0x0000ff00) >> 8,
412 (qdev->fw_rev_id & 0x000000ff));
413 strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
414 sizeof(drvinfo->bus_info));
415 drvinfo->n_stats = 0;
416 drvinfo->testinfo_len = 0;
417 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
418 drvinfo->regdump_len = sizeof(struct ql_mpi_coredump);
419 else
420 drvinfo->regdump_len = sizeof(struct ql_reg_dump);
421 drvinfo->eedump_len = 0;
422 }
423
424 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
425 {
426 struct ql_adapter *qdev = netdev_priv(ndev);
427 unsigned short ssys_dev = qdev->pdev->subsystem_device;
428
429 /* WOL is only supported for mezz card. */
430 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
431 ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
432 wol->supported = WAKE_MAGIC;
433 wol->wolopts = qdev->wol;
434 }
435 }
436
437 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
438 {
439 struct ql_adapter *qdev = netdev_priv(ndev);
440 unsigned short ssys_dev = qdev->pdev->subsystem_device;
441
442 /* WOL is only supported for mezz card. */
443 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
444 ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
445 netif_info(qdev, drv, qdev->ndev,
446 "WOL is only supported for mezz card\n");
447 return -EOPNOTSUPP;
448 }
449 if (wol->wolopts & ~WAKE_MAGIC)
450 return -EINVAL;
451 qdev->wol = wol->wolopts;
452
453 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
454 return 0;
455 }
456
457 static int ql_set_phys_id(struct net_device *ndev,
458 enum ethtool_phys_id_state state)
459
460 {
461 struct ql_adapter *qdev = netdev_priv(ndev);
462
463 switch (state) {
464 case ETHTOOL_ID_ACTIVE:
465 /* Save the current LED settings */
466 if (ql_mb_get_led_cfg(qdev))
467 return -EIO;
468
469 /* Start blinking */
470 ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
471 return 0;
472
473 case ETHTOOL_ID_INACTIVE:
474 /* Restore LED settings */
475 if (ql_mb_set_led_cfg(qdev, qdev->led_config))
476 return -EIO;
477 return 0;
478
479 default:
480 return -EINVAL;
481 }
482 }
483
484 static int ql_start_loopback(struct ql_adapter *qdev)
485 {
486 if (netif_carrier_ok(qdev->ndev)) {
487 set_bit(QL_LB_LINK_UP, &qdev->flags);
488 netif_carrier_off(qdev->ndev);
489 } else
490 clear_bit(QL_LB_LINK_UP, &qdev->flags);
491 qdev->link_config |= CFG_LOOPBACK_PCS;
492 return ql_mb_set_port_cfg(qdev);
493 }
494
495 static void ql_stop_loopback(struct ql_adapter *qdev)
496 {
497 qdev->link_config &= ~CFG_LOOPBACK_PCS;
498 ql_mb_set_port_cfg(qdev);
499 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
500 netif_carrier_on(qdev->ndev);
501 clear_bit(QL_LB_LINK_UP, &qdev->flags);
502 }
503 }
504
505 static void ql_create_lb_frame(struct sk_buff *skb,
506 unsigned int frame_size)
507 {
508 memset(skb->data, 0xFF, frame_size);
509 frame_size &= ~1;
510 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
511 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
512 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
513 }
514
515 void ql_check_lb_frame(struct ql_adapter *qdev,
516 struct sk_buff *skb)
517 {
518 unsigned int frame_size = skb->len;
519
520 if ((*(skb->data + 3) == 0xFF) &&
521 (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
522 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
523 atomic_dec(&qdev->lb_count);
524 return;
525 }
526 }
527
528 static int ql_run_loopback_test(struct ql_adapter *qdev)
529 {
530 int i;
531 netdev_tx_t rc;
532 struct sk_buff *skb;
533 unsigned int size = SMALL_BUF_MAP_SIZE;
534
535 for (i = 0; i < 64; i++) {
536 skb = netdev_alloc_skb(qdev->ndev, size);
537 if (!skb)
538 return -ENOMEM;
539
540 skb->queue_mapping = 0;
541 skb_put(skb, size);
542 ql_create_lb_frame(skb, size);
543 rc = ql_lb_send(skb, qdev->ndev);
544 if (rc != NETDEV_TX_OK)
545 return -EPIPE;
546 atomic_inc(&qdev->lb_count);
547 }
548 /* Give queue time to settle before testing results. */
549 msleep(2);
550 ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
551 return atomic_read(&qdev->lb_count) ? -EIO : 0;
552 }
553
554 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
555 {
556 *data = ql_start_loopback(qdev);
557 if (*data)
558 goto out;
559 *data = ql_run_loopback_test(qdev);
560 out:
561 ql_stop_loopback(qdev);
562 return *data;
563 }
564
565 static void ql_self_test(struct net_device *ndev,
566 struct ethtool_test *eth_test, u64 *data)
567 {
568 struct ql_adapter *qdev = netdev_priv(ndev);
569
570 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
571
572 if (netif_running(ndev)) {
573 set_bit(QL_SELFTEST, &qdev->flags);
574 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
575 /* Offline tests */
576 if (ql_loopback_test(qdev, &data[0]))
577 eth_test->flags |= ETH_TEST_FL_FAILED;
578
579 } else {
580 /* Online tests */
581 data[0] = 0;
582 }
583 clear_bit(QL_SELFTEST, &qdev->flags);
584 /* Give link time to come up after
585 * port configuration changes.
586 */
587 msleep_interruptible(4 * 1000);
588 } else {
589 netif_err(qdev, drv, qdev->ndev,
590 "is down, Loopback test will fail.\n");
591 eth_test->flags |= ETH_TEST_FL_FAILED;
592 }
593 }
594
595 static int ql_get_regs_len(struct net_device *ndev)
596 {
597 struct ql_adapter *qdev = netdev_priv(ndev);
598
599 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
600 return sizeof(struct ql_mpi_coredump);
601 else
602 return sizeof(struct ql_reg_dump);
603 }
604
605 static void ql_get_regs(struct net_device *ndev,
606 struct ethtool_regs *regs, void *p)
607 {
608 struct ql_adapter *qdev = netdev_priv(ndev);
609
610 ql_get_dump(qdev, p);
611 qdev->core_is_dumped = 0;
612 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
613 regs->len = sizeof(struct ql_mpi_coredump);
614 else
615 regs->len = sizeof(struct ql_reg_dump);
616 }
617
618 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
619 {
620 struct ql_adapter *qdev = netdev_priv(dev);
621
622 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
623 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
624
625 /* This chip coalesces as follows:
626 * If a packet arrives, hold off interrupts until
627 * cqicb->int_delay expires, but if no other packets arrive don't
628 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
629 * timer to coalesce on a frame basis. So, we have to take ethtool's
630 * max_coalesced_frames value and convert it to a delay in microseconds.
631 * We do this by using a basic thoughput of 1,000,000 frames per
632 * second @ (1024 bytes). This means one frame per usec. So it's a
633 * simple one to one ratio.
634 */
635 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
636 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
637
638 return 0;
639 }
640
641 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
642 {
643 struct ql_adapter *qdev = netdev_priv(ndev);
644
645 /* Validate user parameters. */
646 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
647 return -EINVAL;
648 /* Don't wait more than 10 usec. */
649 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
650 return -EINVAL;
651 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
652 return -EINVAL;
653 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
654 return -EINVAL;
655
656 /* Verify a change took place before updating the hardware. */
657 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
658 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
659 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
660 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
661 return 0;
662
663 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
664 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
665 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
666 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
667
668 return ql_update_ring_coalescing(qdev);
669 }
670
671 static void ql_get_pauseparam(struct net_device *netdev,
672 struct ethtool_pauseparam *pause)
673 {
674 struct ql_adapter *qdev = netdev_priv(netdev);
675
676 ql_mb_get_port_cfg(qdev);
677 if (qdev->link_config & CFG_PAUSE_STD) {
678 pause->rx_pause = 1;
679 pause->tx_pause = 1;
680 }
681 }
682
683 static int ql_set_pauseparam(struct net_device *netdev,
684 struct ethtool_pauseparam *pause)
685 {
686 struct ql_adapter *qdev = netdev_priv(netdev);
687 int status = 0;
688
689 if ((pause->rx_pause) && (pause->tx_pause))
690 qdev->link_config |= CFG_PAUSE_STD;
691 else if (!pause->rx_pause && !pause->tx_pause)
692 qdev->link_config &= ~CFG_PAUSE_STD;
693 else
694 return -EINVAL;
695
696 status = ql_mb_set_port_cfg(qdev);
697 return status;
698 }
699
700 static u32 ql_get_msglevel(struct net_device *ndev)
701 {
702 struct ql_adapter *qdev = netdev_priv(ndev);
703 return qdev->msg_enable;
704 }
705
706 static void ql_set_msglevel(struct net_device *ndev, u32 value)
707 {
708 struct ql_adapter *qdev = netdev_priv(ndev);
709 qdev->msg_enable = value;
710 }
711
712 const struct ethtool_ops qlge_ethtool_ops = {
713 .get_settings = ql_get_settings,
714 .get_drvinfo = ql_get_drvinfo,
715 .get_wol = ql_get_wol,
716 .set_wol = ql_set_wol,
717 .get_regs_len = ql_get_regs_len,
718 .get_regs = ql_get_regs,
719 .get_msglevel = ql_get_msglevel,
720 .set_msglevel = ql_set_msglevel,
721 .get_link = ethtool_op_get_link,
722 .set_phys_id = ql_set_phys_id,
723 .self_test = ql_self_test,
724 .get_pauseparam = ql_get_pauseparam,
725 .set_pauseparam = ql_set_pauseparam,
726 .get_coalesce = ql_get_coalesce,
727 .set_coalesce = ql_set_coalesce,
728 .get_sset_count = ql_get_sset_count,
729 .get_strings = ql_get_strings,
730 .get_ethtool_stats = ql_get_ethtool_stats,
731 };
732
Linux ARM platform port for MOXA ART SoC