1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/kernel.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 #include "qlge.h"
36
37 struct qlge_stats {
38 char stat_string[ETH_GSTRING_LEN];
39 int sizeof_stat;
40 int stat_offset;
41 };
42
43 #define QL_SIZEOF(m) sizeof_field(struct qlge_adapter, m)
44 #define QL_OFF(m) offsetof(struct qlge_adapter, m)
45
46 static const struct qlge_stats qlge_gstrings_stats[] = {
47 {"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)},
48 {"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)},
49 {"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts),
50 QL_OFF(nic_stats.tx_mcast_pkts)},
51 {"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts),
52 QL_OFF(nic_stats.tx_bcast_pkts)},
53 {"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts),
54 QL_OFF(nic_stats.tx_ucast_pkts)},
55 {"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts),
56 QL_OFF(nic_stats.tx_ctl_pkts)},
57 {"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts),
58 QL_OFF(nic_stats.tx_pause_pkts)},
59 {"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt),
60 QL_OFF(nic_stats.tx_64_pkt)},
61 {"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt),
62 QL_OFF(nic_stats.tx_65_to_127_pkt)},
63 {"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt),
64 QL_OFF(nic_stats.tx_128_to_255_pkt)},
65 {"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt),
66 QL_OFF(nic_stats.tx_256_511_pkt)},
67 {"tx_512_to_1023_pkts", QL_SIZEOF(nic_stats.tx_512_to_1023_pkt),
68 QL_OFF(nic_stats.tx_512_to_1023_pkt)},
69 {"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt),
70 QL_OFF(nic_stats.tx_1024_to_1518_pkt)},
71 {"tx_1519_to_max_pkts", QL_SIZEOF(nic_stats.tx_1519_to_max_pkt),
72 QL_OFF(nic_stats.tx_1519_to_max_pkt)},
73 {"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt),
74 QL_OFF(nic_stats.tx_undersize_pkt)},
75 {"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt),
76 QL_OFF(nic_stats.tx_oversize_pkt)},
77 {"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)},
78 {"rx_bytes_ok", QL_SIZEOF(nic_stats.rx_bytes_ok),
79 QL_OFF(nic_stats.rx_bytes_ok)},
80 {"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)},
81 {"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok),
82 QL_OFF(nic_stats.rx_pkts_ok)},
83 {"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts),
84 QL_OFF(nic_stats.rx_bcast_pkts)},
85 {"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts),
86 QL_OFF(nic_stats.rx_mcast_pkts)},
87 {"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts),
88 QL_OFF(nic_stats.rx_ucast_pkts)},
89 {"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts),
90 QL_OFF(nic_stats.rx_undersize_pkts)},
91 {"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts),
92 QL_OFF(nic_stats.rx_oversize_pkts)},
93 {"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts),
94 QL_OFF(nic_stats.rx_jabber_pkts)},
95 {"rx_undersize_fcerr_pkts",
96 QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts),
97 QL_OFF(nic_stats.rx_undersize_fcerr_pkts)},
98 {"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events),
99 QL_OFF(nic_stats.rx_drop_events)},
100 {"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts),
101 QL_OFF(nic_stats.rx_fcerr_pkts)},
102 {"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err),
103 QL_OFF(nic_stats.rx_align_err)},
104 {"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err),
105 QL_OFF(nic_stats.rx_symbol_err)},
106 {"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err),
107 QL_OFF(nic_stats.rx_mac_err)},
108 {"rx_ctl_pkts", QL_SIZEOF(nic_stats.rx_ctl_pkts),
109 QL_OFF(nic_stats.rx_ctl_pkts)},
110 {"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts),
111 QL_OFF(nic_stats.rx_pause_pkts)},
112 {"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts),
113 QL_OFF(nic_stats.rx_64_pkts)},
114 {"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts),
115 QL_OFF(nic_stats.rx_65_to_127_pkts)},
116 {"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts),
117 QL_OFF(nic_stats.rx_128_255_pkts)},
118 {"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts),
119 QL_OFF(nic_stats.rx_256_511_pkts)},
120 {"rx_512_to_1023_pkts", QL_SIZEOF(nic_stats.rx_512_to_1023_pkts),
121 QL_OFF(nic_stats.rx_512_to_1023_pkts)},
122 {"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts),
123 QL_OFF(nic_stats.rx_1024_to_1518_pkts)},
124 {"rx_1519_to_max_pkts", QL_SIZEOF(nic_stats.rx_1519_to_max_pkts),
125 QL_OFF(nic_stats.rx_1519_to_max_pkts)},
126 {"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts),
127 QL_OFF(nic_stats.rx_len_err_pkts)},
128 {"rx_code_err", QL_SIZEOF(nic_stats.rx_code_err),
129 QL_OFF(nic_stats.rx_code_err)},
130 {"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err),
131 QL_OFF(nic_stats.rx_oversize_err)},
132 {"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err),
133 QL_OFF(nic_stats.rx_undersize_err)},
134 {"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err),
135 QL_OFF(nic_stats.rx_preamble_err)},
136 {"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err),
137 QL_OFF(nic_stats.rx_frame_len_err)},
138 {"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err),
139 QL_OFF(nic_stats.rx_crc_err)},
140 {"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count),
141 QL_OFF(nic_stats.rx_err_count)},
142 {"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0),
143 QL_OFF(nic_stats.tx_cbfc_pause_frames0)},
144 {"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1),
145 QL_OFF(nic_stats.tx_cbfc_pause_frames1)},
146 {"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2),
147 QL_OFF(nic_stats.tx_cbfc_pause_frames2)},
148 {"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3),
149 QL_OFF(nic_stats.tx_cbfc_pause_frames3)},
150 {"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4),
151 QL_OFF(nic_stats.tx_cbfc_pause_frames4)},
152 {"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5),
153 QL_OFF(nic_stats.tx_cbfc_pause_frames5)},
154 {"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6),
155 QL_OFF(nic_stats.tx_cbfc_pause_frames6)},
156 {"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7),
157 QL_OFF(nic_stats.tx_cbfc_pause_frames7)},
158 {"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0),
159 QL_OFF(nic_stats.rx_cbfc_pause_frames0)},
160 {"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1),
161 QL_OFF(nic_stats.rx_cbfc_pause_frames1)},
162 {"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2),
163 QL_OFF(nic_stats.rx_cbfc_pause_frames2)},
164 {"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3),
165 QL_OFF(nic_stats.rx_cbfc_pause_frames3)},
166 {"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4),
167 QL_OFF(nic_stats.rx_cbfc_pause_frames4)},
168 {"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5),
169 QL_OFF(nic_stats.rx_cbfc_pause_frames5)},
170 {"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6),
171 QL_OFF(nic_stats.rx_cbfc_pause_frames6)},
172 {"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7),
173 QL_OFF(nic_stats.rx_cbfc_pause_frames7)},
174 {"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop),
175 QL_OFF(nic_stats.rx_nic_fifo_drop)},
176 };
177
178 static const char qlge_gstrings_test[][ETH_GSTRING_LEN] = {
179 "Loopback test (offline)"
180 };
181
182 #define QLGE_TEST_LEN (sizeof(qlge_gstrings_test) / ETH_GSTRING_LEN)
183 #define QLGE_STATS_LEN ARRAY_SIZE(qlge_gstrings_stats)
184 #define QLGE_RCV_MAC_ERR_STATS 7
185
qlge_update_ring_coalescing(struct qlge_adapter * qdev)186 static int qlge_update_ring_coalescing(struct qlge_adapter *qdev)
187 {
188 int i, status = 0;
189 struct rx_ring *rx_ring;
190 struct cqicb *cqicb;
191
192 if (!netif_running(qdev->ndev))
193 return status;
194
195 /* Skip the default queue, and update the outbound handler
196 * queues if they changed.
197 */
198 cqicb = (struct cqicb *)&qdev->rx_ring[qdev->rss_ring_count];
199 if (le16_to_cpu(cqicb->irq_delay) != qdev->tx_coalesce_usecs ||
200 le16_to_cpu(cqicb->pkt_delay) != 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 = qlge_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) != qdev->rx_max_coalesced_frames) {
222 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
223 rx_ring = &qdev->rx_ring[i];
224 cqicb = (struct cqicb *)rx_ring;
225 cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
226 cqicb->pkt_delay =
227 cpu_to_le16(qdev->rx_max_coalesced_frames);
228 cqicb->flags = FLAGS_LI;
229 status = qlge_write_cfg(qdev, cqicb, sizeof(*cqicb),
230 CFG_LCQ, rx_ring->cq_id);
231 if (status) {
232 netif_err(qdev, ifup, qdev->ndev,
233 "Failed to load CQICB.\n");
234 goto exit;
235 }
236 }
237 }
238 exit:
239 return status;
240 }
241
qlge_update_stats(struct qlge_adapter * qdev)242 static void qlge_update_stats(struct qlge_adapter *qdev)
243 {
244 u32 i;
245 u64 data;
246 u64 *iter = &qdev->nic_stats.tx_pkts;
247
248 spin_lock(&qdev->stats_lock);
249 if (qlge_sem_spinlock(qdev, qdev->xg_sem_mask)) {
250 netif_err(qdev, drv, qdev->ndev,
251 "Couldn't get xgmac sem.\n");
252 goto quit;
253 }
254 /*
255 * Get TX statistics.
256 */
257 for (i = 0x200; i < 0x280; i += 8) {
258 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
259 netif_err(qdev, drv, qdev->ndev,
260 "Error reading status register 0x%.04x.\n",
261 i);
262 goto end;
263 } else {
264 *iter = data;
265 }
266 iter++;
267 }
268
269 /*
270 * Get RX statistics.
271 */
272 for (i = 0x300; i < 0x3d0; i += 8) {
273 if (qlge_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 }
281 iter++;
282 }
283
284 /* Update receive mac error statistics */
285 iter += QLGE_RCV_MAC_ERR_STATS;
286
287 /*
288 * Get Per-priority TX pause frame counter statistics.
289 */
290 for (i = 0x500; i < 0x540; i += 8) {
291 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
292 netif_err(qdev, drv, qdev->ndev,
293 "Error reading status register 0x%.04x.\n",
294 i);
295 goto end;
296 } else {
297 *iter = data;
298 }
299 iter++;
300 }
301
302 /*
303 * Get Per-priority RX pause frame counter statistics.
304 */
305 for (i = 0x568; i < 0x5a8; i += 8) {
306 if (qlge_read_xgmac_reg64(qdev, i, &data)) {
307 netif_err(qdev, drv, qdev->ndev,
308 "Error reading status register 0x%.04x.\n",
309 i);
310 goto end;
311 } else {
312 *iter = data;
313 }
314 iter++;
315 }
316
317 /*
318 * Get RX NIC FIFO DROP statistics.
319 */
320 if (qlge_read_xgmac_reg64(qdev, 0x5b8, &data)) {
321 netif_err(qdev, drv, qdev->ndev,
322 "Error reading status register 0x%.04x.\n", i);
323 goto end;
324 } else {
325 *iter = data;
326 }
327 end:
328 qlge_sem_unlock(qdev, qdev->xg_sem_mask);
329 quit:
330 spin_unlock(&qdev->stats_lock);
331 }
332
qlge_get_strings(struct net_device * dev,u32 stringset,u8 * buf)333 static void qlge_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
334 {
335 int index;
336
337 switch (stringset) {
338 case ETH_SS_TEST:
339 memcpy(buf, *qlge_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
340 break;
341 case ETH_SS_STATS:
342 for (index = 0; index < QLGE_STATS_LEN; index++) {
343 memcpy(buf + index * ETH_GSTRING_LEN,
344 qlge_gstrings_stats[index].stat_string,
345 ETH_GSTRING_LEN);
346 }
347 break;
348 }
349 }
350
qlge_get_sset_count(struct net_device * dev,int sset)351 static int qlge_get_sset_count(struct net_device *dev, int sset)
352 {
353 switch (sset) {
354 case ETH_SS_TEST:
355 return QLGE_TEST_LEN;
356 case ETH_SS_STATS:
357 return QLGE_STATS_LEN;
358 default:
359 return -EOPNOTSUPP;
360 }
361 }
362
363 static void
qlge_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)364 qlge_get_ethtool_stats(struct net_device *ndev,
365 struct ethtool_stats *stats, u64 *data)
366 {
367 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
368 int index, length;
369
370 length = QLGE_STATS_LEN;
371 qlge_update_stats(qdev);
372
373 for (index = 0; index < length; index++) {
374 char *p = (char *)qdev +
375 qlge_gstrings_stats[index].stat_offset;
376 *data++ = (qlge_gstrings_stats[index].sizeof_stat ==
377 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
378 }
379 }
380
qlge_get_link_ksettings(struct net_device * ndev,struct ethtool_link_ksettings * ecmd)381 static int qlge_get_link_ksettings(struct net_device *ndev,
382 struct ethtool_link_ksettings *ecmd)
383 {
384 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
385 u32 supported, advertising;
386
387 supported = SUPPORTED_10000baseT_Full;
388 advertising = ADVERTISED_10000baseT_Full;
389
390 if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
391 STS_LINK_TYPE_10GBASET) {
392 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
393 advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
394 ecmd->base.port = PORT_TP;
395 ecmd->base.autoneg = AUTONEG_ENABLE;
396 } else {
397 supported |= SUPPORTED_FIBRE;
398 advertising |= ADVERTISED_FIBRE;
399 ecmd->base.port = PORT_FIBRE;
400 }
401
402 ecmd->base.speed = SPEED_10000;
403 ecmd->base.duplex = DUPLEX_FULL;
404
405 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
406 supported);
407 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
408 advertising);
409
410 return 0;
411 }
412
qlge_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * drvinfo)413 static void qlge_get_drvinfo(struct net_device *ndev,
414 struct ethtool_drvinfo *drvinfo)
415 {
416 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
417
418 strscpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
419 strscpy(drvinfo->version, qlge_driver_version,
420 sizeof(drvinfo->version));
421 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
422 "v%d.%d.%d",
423 (qdev->fw_rev_id & 0x00ff0000) >> 16,
424 (qdev->fw_rev_id & 0x0000ff00) >> 8,
425 (qdev->fw_rev_id & 0x000000ff));
426 strscpy(drvinfo->bus_info, pci_name(qdev->pdev),
427 sizeof(drvinfo->bus_info));
428 }
429
qlge_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)430 static void qlge_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
431 {
432 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
433 unsigned short ssys_dev = qdev->pdev->subsystem_device;
434
435 /* WOL is only supported for mezz card. */
436 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
437 ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
438 wol->supported = WAKE_MAGIC;
439 wol->wolopts = qdev->wol;
440 }
441 }
442
qlge_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)443 static int qlge_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
444 {
445 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
446 unsigned short ssys_dev = qdev->pdev->subsystem_device;
447
448 /* WOL is only supported for mezz card. */
449 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
450 ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
451 netif_info(qdev, drv, qdev->ndev,
452 "WOL is only supported for mezz card\n");
453 return -EOPNOTSUPP;
454 }
455 if (wol->wolopts & ~WAKE_MAGIC)
456 return -EINVAL;
457 qdev->wol = wol->wolopts;
458
459 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
460 return 0;
461 }
462
qlge_set_phys_id(struct net_device * ndev,enum ethtool_phys_id_state state)463 static int qlge_set_phys_id(struct net_device *ndev,
464 enum ethtool_phys_id_state state)
465
466 {
467 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
468
469 switch (state) {
470 case ETHTOOL_ID_ACTIVE:
471 /* Save the current LED settings */
472 if (qlge_mb_get_led_cfg(qdev))
473 return -EIO;
474
475 /* Start blinking */
476 qlge_mb_set_led_cfg(qdev, QL_LED_BLINK);
477 return 0;
478
479 case ETHTOOL_ID_INACTIVE:
480 /* Restore LED settings */
481 if (qlge_mb_set_led_cfg(qdev, qdev->led_config))
482 return -EIO;
483 return 0;
484
485 default:
486 return -EINVAL;
487 }
488 }
489
qlge_start_loopback(struct qlge_adapter * qdev)490 static int qlge_start_loopback(struct qlge_adapter *qdev)
491 {
492 if (netif_carrier_ok(qdev->ndev)) {
493 set_bit(QL_LB_LINK_UP, &qdev->flags);
494 netif_carrier_off(qdev->ndev);
495 } else {
496 clear_bit(QL_LB_LINK_UP, &qdev->flags);
497 }
498 qdev->link_config |= CFG_LOOPBACK_PCS;
499 return qlge_mb_set_port_cfg(qdev);
500 }
501
qlge_stop_loopback(struct qlge_adapter * qdev)502 static void qlge_stop_loopback(struct qlge_adapter *qdev)
503 {
504 qdev->link_config &= ~CFG_LOOPBACK_PCS;
505 qlge_mb_set_port_cfg(qdev);
506 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
507 netif_carrier_on(qdev->ndev);
508 clear_bit(QL_LB_LINK_UP, &qdev->flags);
509 }
510 }
511
qlge_create_lb_frame(struct sk_buff * skb,unsigned int frame_size)512 static void qlge_create_lb_frame(struct sk_buff *skb,
513 unsigned int frame_size)
514 {
515 memset(skb->data, 0xFF, frame_size);
516 frame_size &= ~1;
517 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
518 skb->data[frame_size / 2 + 10] = (unsigned char)0xBE;
519 skb->data[frame_size / 2 + 12] = (unsigned char)0xAF;
520 }
521
qlge_check_lb_frame(struct qlge_adapter * qdev,struct sk_buff * skb)522 void qlge_check_lb_frame(struct qlge_adapter *qdev,
523 struct sk_buff *skb)
524 {
525 unsigned int frame_size = skb->len;
526
527 if ((*(skb->data + 3) == 0xFF) &&
528 (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
529 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
530 atomic_dec(&qdev->lb_count);
531 return;
532 }
533 }
534
qlge_run_loopback_test(struct qlge_adapter * qdev)535 static int qlge_run_loopback_test(struct qlge_adapter *qdev)
536 {
537 int i;
538 netdev_tx_t rc;
539 struct sk_buff *skb;
540 unsigned int size = SMALL_BUF_MAP_SIZE;
541
542 for (i = 0; i < 64; i++) {
543 skb = netdev_alloc_skb(qdev->ndev, size);
544 if (!skb)
545 return -ENOMEM;
546
547 skb->queue_mapping = 0;
548 skb_put(skb, size);
549 qlge_create_lb_frame(skb, size);
550 rc = qlge_lb_send(skb, qdev->ndev);
551 if (rc != NETDEV_TX_OK)
552 return -EPIPE;
553 atomic_inc(&qdev->lb_count);
554 }
555 /* Give queue time to settle before testing results. */
556 usleep_range(2000, 2100);
557 qlge_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
558 return atomic_read(&qdev->lb_count) ? -EIO : 0;
559 }
560
qlge_loopback_test(struct qlge_adapter * qdev,u64 * data)561 static int qlge_loopback_test(struct qlge_adapter *qdev, u64 *data)
562 {
563 *data = qlge_start_loopback(qdev);
564 if (*data)
565 goto out;
566 *data = qlge_run_loopback_test(qdev);
567 out:
568 qlge_stop_loopback(qdev);
569 return *data;
570 }
571
qlge_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)572 static void qlge_self_test(struct net_device *ndev,
573 struct ethtool_test *eth_test, u64 *data)
574 {
575 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
576
577 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
578
579 if (netif_running(ndev)) {
580 set_bit(QL_SELFTEST, &qdev->flags);
581 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
582 /* Offline tests */
583 if (qlge_loopback_test(qdev, &data[0]))
584 eth_test->flags |= ETH_TEST_FL_FAILED;
585
586 } else {
587 /* Online tests */
588 data[0] = 0;
589 }
590 clear_bit(QL_SELFTEST, &qdev->flags);
591 /* Give link time to come up after
592 * port configuration changes.
593 */
594 msleep_interruptible(4 * 1000);
595 } else {
596 netif_err(qdev, drv, qdev->ndev,
597 "is down, Loopback test will fail.\n");
598 eth_test->flags |= ETH_TEST_FL_FAILED;
599 }
600 }
601
qlge_get_regs_len(struct net_device * ndev)602 static int qlge_get_regs_len(struct net_device *ndev)
603 {
604 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
605
606 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
607 return sizeof(struct qlge_mpi_coredump);
608 else
609 return sizeof(struct qlge_reg_dump);
610 }
611
qlge_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)612 static void qlge_get_regs(struct net_device *ndev,
613 struct ethtool_regs *regs, void *p)
614 {
615 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
616
617 qlge_get_dump(qdev, p);
618 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
619 regs->len = sizeof(struct qlge_mpi_coredump);
620 else
621 regs->len = sizeof(struct qlge_reg_dump);
622 }
623
qlge_get_coalesce(struct net_device * ndev,struct ethtool_coalesce * c,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)624 static int qlge_get_coalesce(struct net_device *ndev,
625 struct ethtool_coalesce *c,
626 struct kernel_ethtool_coalesce *kernel_coal,
627 struct netlink_ext_ack *extack)
628 {
629 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
630
631 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
632 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
633
634 /* This chip coalesces as follows:
635 * If a packet arrives, hold off interrupts until
636 * cqicb->int_delay expires, but if no other packets arrive don't
637 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
638 * timer to coalesce on a frame basis. So, we have to take ethtool's
639 * max_coalesced_frames value and convert it to a delay in microseconds.
640 * We do this by using a basic thoughput of 1,000,000 frames per
641 * second @ (1024 bytes). This means one frame per usec. So it's a
642 * simple one to one ratio.
643 */
644 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
645 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
646
647 return 0;
648 }
649
qlge_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * c,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)650 static int qlge_set_coalesce(struct net_device *ndev,
651 struct ethtool_coalesce *c,
652 struct kernel_ethtool_coalesce *kernel_coal,
653 struct netlink_ext_ack *extack)
654 {
655 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
656
657 /* Validate user parameters. */
658 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
659 return -EINVAL;
660 /* Don't wait more than 10 usec. */
661 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
662 return -EINVAL;
663 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
664 return -EINVAL;
665 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
666 return -EINVAL;
667
668 /* Verify a change took place before updating the hardware. */
669 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
670 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
671 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
672 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
673 return 0;
674
675 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
676 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
677 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
678 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
679
680 return qlge_update_ring_coalescing(qdev);
681 }
682
qlge_get_pauseparam(struct net_device * ndev,struct ethtool_pauseparam * pause)683 static void qlge_get_pauseparam(struct net_device *ndev,
684 struct ethtool_pauseparam *pause)
685 {
686 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
687
688 qlge_mb_get_port_cfg(qdev);
689 if (qdev->link_config & CFG_PAUSE_STD) {
690 pause->rx_pause = 1;
691 pause->tx_pause = 1;
692 }
693 }
694
qlge_set_pauseparam(struct net_device * ndev,struct ethtool_pauseparam * pause)695 static int qlge_set_pauseparam(struct net_device *ndev,
696 struct ethtool_pauseparam *pause)
697 {
698 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
699
700 if ((pause->rx_pause) && (pause->tx_pause))
701 qdev->link_config |= CFG_PAUSE_STD;
702 else if (!pause->rx_pause && !pause->tx_pause)
703 qdev->link_config &= ~CFG_PAUSE_STD;
704 else
705 return -EINVAL;
706
707 return qlge_mb_set_port_cfg(qdev);
708 }
709
qlge_get_msglevel(struct net_device * ndev)710 static u32 qlge_get_msglevel(struct net_device *ndev)
711 {
712 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
713
714 return qdev->msg_enable;
715 }
716
qlge_set_msglevel(struct net_device * ndev,u32 value)717 static void qlge_set_msglevel(struct net_device *ndev, u32 value)
718 {
719 struct qlge_adapter *qdev = netdev_to_qdev(ndev);
720
721 qdev->msg_enable = value;
722 }
723
724 const struct ethtool_ops qlge_ethtool_ops = {
725 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
726 ETHTOOL_COALESCE_MAX_FRAMES,
727 .get_drvinfo = qlge_get_drvinfo,
728 .get_wol = qlge_get_wol,
729 .set_wol = qlge_set_wol,
730 .get_regs_len = qlge_get_regs_len,
731 .get_regs = qlge_get_regs,
732 .get_msglevel = qlge_get_msglevel,
733 .set_msglevel = qlge_set_msglevel,
734 .get_link = ethtool_op_get_link,
735 .set_phys_id = qlge_set_phys_id,
736 .self_test = qlge_self_test,
737 .get_pauseparam = qlge_get_pauseparam,
738 .set_pauseparam = qlge_set_pauseparam,
739 .get_coalesce = qlge_get_coalesce,
740 .set_coalesce = qlge_set_coalesce,
741 .get_sset_count = qlge_get_sset_count,
742 .get_strings = qlge_get_strings,
743 .get_ethtool_stats = qlge_get_ethtool_stats,
744 .get_link_ksettings = qlge_get_link_ksettings,
745 };
746
747