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 ql_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 ql_adapter, m)
44 #define QL_OFF(m) offsetof(struct ql_adapter, m)
45
46 static const struct ql_stats ql_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 ql_gstrings_test[][ETH_GSTRING_LEN] = {
179 "Loopback test (offline)"
180 };
181 #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN)
182 #define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats)
183 #define QLGE_RCV_MAC_ERR_STATS 7
184
ql_update_ring_coalescing(struct ql_adapter * qdev)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) != qdev->tx_max_coalesced_frames) {
200 for (i = qdev->rss_ring_count; i < qdev->rx_ring_count; i++) {
201 rx_ring = &qdev->rx_ring[i];
202 cqicb = (struct cqicb *)rx_ring;
203 cqicb->irq_delay = cpu_to_le16(qdev->tx_coalesce_usecs);
204 cqicb->pkt_delay =
205 cpu_to_le16(qdev->tx_max_coalesced_frames);
206 cqicb->flags = FLAGS_LI;
207 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
208 CFG_LCQ, rx_ring->cq_id);
209 if (status) {
210 netif_err(qdev, ifup, qdev->ndev,
211 "Failed to load CQICB.\n");
212 goto exit;
213 }
214 }
215 }
216
217 /* Update the inbound (RSS) handler queues if they changed. */
218 cqicb = (struct cqicb *)&qdev->rx_ring[0];
219 if (le16_to_cpu(cqicb->irq_delay) != qdev->rx_coalesce_usecs ||
220 le16_to_cpu(cqicb->pkt_delay) != qdev->rx_max_coalesced_frames) {
221 for (i = 0; i < qdev->rss_ring_count; i++, rx_ring++) {
222 rx_ring = &qdev->rx_ring[i];
223 cqicb = (struct cqicb *)rx_ring;
224 cqicb->irq_delay = cpu_to_le16(qdev->rx_coalesce_usecs);
225 cqicb->pkt_delay =
226 cpu_to_le16(qdev->rx_max_coalesced_frames);
227 cqicb->flags = FLAGS_LI;
228 status = ql_write_cfg(qdev, cqicb, sizeof(*cqicb),
229 CFG_LCQ, rx_ring->cq_id);
230 if (status) {
231 netif_err(qdev, ifup, qdev->ndev,
232 "Failed to load CQICB.\n");
233 goto exit;
234 }
235 }
236 }
237 exit:
238 return status;
239 }
240
ql_update_stats(struct ql_adapter * qdev)241 static void ql_update_stats(struct ql_adapter *qdev)
242 {
243 u32 i;
244 u64 data;
245 u64 *iter = &qdev->nic_stats.tx_pkts;
246
247 spin_lock(&qdev->stats_lock);
248 if (ql_sem_spinlock(qdev, qdev->xg_sem_mask)) {
249 netif_err(qdev, drv, qdev->ndev,
250 "Couldn't get xgmac sem.\n");
251 goto quit;
252 }
253 /*
254 * Get TX statistics.
255 */
256 for (i = 0x200; i < 0x280; i += 8) {
257 if (ql_read_xgmac_reg64(qdev, i, &data)) {
258 netif_err(qdev, drv, qdev->ndev,
259 "Error reading status register 0x%.04x.\n",
260 i);
261 goto end;
262 } else {
263 *iter = data;
264 }
265 iter++;
266 }
267
268 /*
269 * Get RX statistics.
270 */
271 for (i = 0x300; i < 0x3d0; i += 8) {
272 if (ql_read_xgmac_reg64(qdev, i, &data)) {
273 netif_err(qdev, drv, qdev->ndev,
274 "Error reading status register 0x%.04x.\n",
275 i);
276 goto end;
277 } else {
278 *iter = data;
279 }
280 iter++;
281 }
282
283 /* Update receive mac error statistics */
284 iter += QLGE_RCV_MAC_ERR_STATS;
285
286 /*
287 * Get Per-priority TX pause frame counter statistics.
288 */
289 for (i = 0x500; i < 0x540; i += 8) {
290 if (ql_read_xgmac_reg64(qdev, i, &data)) {
291 netif_err(qdev, drv, qdev->ndev,
292 "Error reading status register 0x%.04x.\n",
293 i);
294 goto end;
295 } else {
296 *iter = data;
297 }
298 iter++;
299 }
300
301 /*
302 * Get Per-priority RX pause frame counter statistics.
303 */
304 for (i = 0x568; i < 0x5a8; i += 8) {
305 if (ql_read_xgmac_reg64(qdev, i, &data)) {
306 netif_err(qdev, drv, qdev->ndev,
307 "Error reading status register 0x%.04x.\n",
308 i);
309 goto end;
310 } else {
311 *iter = data;
312 }
313 iter++;
314 }
315
316 /*
317 * Get RX NIC FIFO DROP statistics.
318 */
319 if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
320 netif_err(qdev, drv, qdev->ndev,
321 "Error reading status register 0x%.04x.\n", i);
322 goto end;
323 } else {
324 *iter = data;
325 }
326 end:
327 ql_sem_unlock(qdev, qdev->xg_sem_mask);
328 quit:
329 spin_unlock(&qdev->stats_lock);
330
331 QL_DUMP_STAT(qdev);
332 }
333
ql_get_strings(struct net_device * dev,u32 stringset,u8 * buf)334 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
335 {
336 int index;
337
338 switch (stringset) {
339 case ETH_SS_TEST:
340 memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
341 break;
342 case ETH_SS_STATS:
343 for (index = 0; index < QLGE_STATS_LEN; index++) {
344 memcpy(buf + index * ETH_GSTRING_LEN,
345 ql_gstrings_stats[index].stat_string,
346 ETH_GSTRING_LEN);
347 }
348 break;
349 }
350 }
351
ql_get_sset_count(struct net_device * dev,int sset)352 static int ql_get_sset_count(struct net_device *dev, int sset)
353 {
354 switch (sset) {
355 case ETH_SS_TEST:
356 return QLGE_TEST_LEN;
357 case ETH_SS_STATS:
358 return QLGE_STATS_LEN;
359 default:
360 return -EOPNOTSUPP;
361 }
362 }
363
364 static void
ql_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)365 ql_get_ethtool_stats(struct net_device *ndev,
366 struct ethtool_stats *stats, u64 *data)
367 {
368 struct ql_adapter *qdev = netdev_priv(ndev);
369 int index, length;
370
371 length = QLGE_STATS_LEN;
372 ql_update_stats(qdev);
373
374 for (index = 0; index < length; index++) {
375 char *p = (char *)qdev +
376 ql_gstrings_stats[index].stat_offset;
377 *data++ = (ql_gstrings_stats[index].sizeof_stat ==
378 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
379 }
380 }
381
ql_get_link_ksettings(struct net_device * ndev,struct ethtool_link_ksettings * ecmd)382 static int ql_get_link_ksettings(struct net_device *ndev,
383 struct ethtool_link_ksettings *ecmd)
384 {
385 struct ql_adapter *qdev = netdev_priv(ndev);
386 u32 supported, advertising;
387
388 supported = SUPPORTED_10000baseT_Full;
389 advertising = ADVERTISED_10000baseT_Full;
390
391 if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
392 STS_LINK_TYPE_10GBASET) {
393 supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
394 advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
395 ecmd->base.port = PORT_TP;
396 ecmd->base.autoneg = AUTONEG_ENABLE;
397 } else {
398 supported |= SUPPORTED_FIBRE;
399 advertising |= ADVERTISED_FIBRE;
400 ecmd->base.port = PORT_FIBRE;
401 }
402
403 ecmd->base.speed = SPEED_10000;
404 ecmd->base.duplex = DUPLEX_FULL;
405
406 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
407 supported);
408 ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
409 advertising);
410
411 return 0;
412 }
413
ql_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * drvinfo)414 static void ql_get_drvinfo(struct net_device *ndev,
415 struct ethtool_drvinfo *drvinfo)
416 {
417 struct ql_adapter *qdev = netdev_priv(ndev);
418
419 strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
420 strlcpy(drvinfo->version, qlge_driver_version,
421 sizeof(drvinfo->version));
422 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
423 "v%d.%d.%d",
424 (qdev->fw_rev_id & 0x00ff0000) >> 16,
425 (qdev->fw_rev_id & 0x0000ff00) >> 8,
426 (qdev->fw_rev_id & 0x000000ff));
427 strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
428 sizeof(drvinfo->bus_info));
429 }
430
ql_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)431 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
432 {
433 struct ql_adapter *qdev = netdev_priv(ndev);
434 unsigned short ssys_dev = qdev->pdev->subsystem_device;
435
436 /* WOL is only supported for mezz card. */
437 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
438 ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
439 wol->supported = WAKE_MAGIC;
440 wol->wolopts = qdev->wol;
441 }
442 }
443
ql_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)444 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
445 {
446 struct ql_adapter *qdev = netdev_priv(ndev);
447 unsigned short ssys_dev = qdev->pdev->subsystem_device;
448
449 /* WOL is only supported for mezz card. */
450 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
451 ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
452 netif_info(qdev, drv, qdev->ndev,
453 "WOL is only supported for mezz card\n");
454 return -EOPNOTSUPP;
455 }
456 if (wol->wolopts & ~WAKE_MAGIC)
457 return -EINVAL;
458 qdev->wol = wol->wolopts;
459
460 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
461 return 0;
462 }
463
ql_set_phys_id(struct net_device * ndev,enum ethtool_phys_id_state state)464 static int ql_set_phys_id(struct net_device *ndev,
465 enum ethtool_phys_id_state state)
466
467 {
468 struct ql_adapter *qdev = netdev_priv(ndev);
469
470 switch (state) {
471 case ETHTOOL_ID_ACTIVE:
472 /* Save the current LED settings */
473 if (ql_mb_get_led_cfg(qdev))
474 return -EIO;
475
476 /* Start blinking */
477 ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
478 return 0;
479
480 case ETHTOOL_ID_INACTIVE:
481 /* Restore LED settings */
482 if (ql_mb_set_led_cfg(qdev, qdev->led_config))
483 return -EIO;
484 return 0;
485
486 default:
487 return -EINVAL;
488 }
489 }
490
ql_start_loopback(struct ql_adapter * qdev)491 static int ql_start_loopback(struct ql_adapter *qdev)
492 {
493 if (netif_carrier_ok(qdev->ndev)) {
494 set_bit(QL_LB_LINK_UP, &qdev->flags);
495 netif_carrier_off(qdev->ndev);
496 } else {
497 clear_bit(QL_LB_LINK_UP, &qdev->flags);
498 }
499 qdev->link_config |= CFG_LOOPBACK_PCS;
500 return ql_mb_set_port_cfg(qdev);
501 }
502
ql_stop_loopback(struct ql_adapter * qdev)503 static void ql_stop_loopback(struct ql_adapter *qdev)
504 {
505 qdev->link_config &= ~CFG_LOOPBACK_PCS;
506 ql_mb_set_port_cfg(qdev);
507 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
508 netif_carrier_on(qdev->ndev);
509 clear_bit(QL_LB_LINK_UP, &qdev->flags);
510 }
511 }
512
ql_create_lb_frame(struct sk_buff * skb,unsigned int frame_size)513 static void ql_create_lb_frame(struct sk_buff *skb,
514 unsigned int frame_size)
515 {
516 memset(skb->data, 0xFF, frame_size);
517 frame_size &= ~1;
518 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
519 skb->data[frame_size / 2 + 10] = (unsigned char)0xBE;
520 skb->data[frame_size / 2 + 12] = (unsigned char)0xAF;
521 }
522
ql_check_lb_frame(struct ql_adapter * qdev,struct sk_buff * skb)523 void ql_check_lb_frame(struct ql_adapter *qdev,
524 struct sk_buff *skb)
525 {
526 unsigned int frame_size = skb->len;
527
528 if ((*(skb->data + 3) == 0xFF) &&
529 (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
530 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
531 atomic_dec(&qdev->lb_count);
532 return;
533 }
534 }
535
ql_run_loopback_test(struct ql_adapter * qdev)536 static int ql_run_loopback_test(struct ql_adapter *qdev)
537 {
538 int i;
539 netdev_tx_t rc;
540 struct sk_buff *skb;
541 unsigned int size = SMALL_BUF_MAP_SIZE;
542
543 for (i = 0; i < 64; i++) {
544 skb = netdev_alloc_skb(qdev->ndev, size);
545 if (!skb)
546 return -ENOMEM;
547
548 skb->queue_mapping = 0;
549 skb_put(skb, size);
550 ql_create_lb_frame(skb, size);
551 rc = ql_lb_send(skb, qdev->ndev);
552 if (rc != NETDEV_TX_OK)
553 return -EPIPE;
554 atomic_inc(&qdev->lb_count);
555 }
556 /* Give queue time to settle before testing results. */
557 msleep(2);
558 ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
559 return atomic_read(&qdev->lb_count) ? -EIO : 0;
560 }
561
ql_loopback_test(struct ql_adapter * qdev,u64 * data)562 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
563 {
564 *data = ql_start_loopback(qdev);
565 if (*data)
566 goto out;
567 *data = ql_run_loopback_test(qdev);
568 out:
569 ql_stop_loopback(qdev);
570 return *data;
571 }
572
ql_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)573 static void ql_self_test(struct net_device *ndev,
574 struct ethtool_test *eth_test, u64 *data)
575 {
576 struct ql_adapter *qdev = netdev_priv(ndev);
577
578 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
579
580 if (netif_running(ndev)) {
581 set_bit(QL_SELFTEST, &qdev->flags);
582 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
583 /* Offline tests */
584 if (ql_loopback_test(qdev, &data[0]))
585 eth_test->flags |= ETH_TEST_FL_FAILED;
586
587 } else {
588 /* Online tests */
589 data[0] = 0;
590 }
591 clear_bit(QL_SELFTEST, &qdev->flags);
592 /* Give link time to come up after
593 * port configuration changes.
594 */
595 msleep_interruptible(4 * 1000);
596 } else {
597 netif_err(qdev, drv, qdev->ndev,
598 "is down, Loopback test will fail.\n");
599 eth_test->flags |= ETH_TEST_FL_FAILED;
600 }
601 }
602
ql_get_regs_len(struct net_device * ndev)603 static int ql_get_regs_len(struct net_device *ndev)
604 {
605 struct ql_adapter *qdev = netdev_priv(ndev);
606
607 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
608 return sizeof(struct ql_mpi_coredump);
609 else
610 return sizeof(struct ql_reg_dump);
611 }
612
ql_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)613 static void ql_get_regs(struct net_device *ndev,
614 struct ethtool_regs *regs, void *p)
615 {
616 struct ql_adapter *qdev = netdev_priv(ndev);
617
618 ql_get_dump(qdev, p);
619 qdev->core_is_dumped = 0;
620 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
621 regs->len = sizeof(struct ql_mpi_coredump);
622 else
623 regs->len = sizeof(struct ql_reg_dump);
624 }
625
ql_get_coalesce(struct net_device * dev,struct ethtool_coalesce * c)626 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
627 {
628 struct ql_adapter *qdev = netdev_priv(dev);
629
630 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
631 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
632
633 /* This chip coalesces as follows:
634 * If a packet arrives, hold off interrupts until
635 * cqicb->int_delay expires, but if no other packets arrive don't
636 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
637 * timer to coalesce on a frame basis. So, we have to take ethtool's
638 * max_coalesced_frames value and convert it to a delay in microseconds.
639 * We do this by using a basic thoughput of 1,000,000 frames per
640 * second @ (1024 bytes). This means one frame per usec. So it's a
641 * simple one to one ratio.
642 */
643 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
644 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
645
646 return 0;
647 }
648
ql_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * c)649 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
650 {
651 struct ql_adapter *qdev = netdev_priv(ndev);
652
653 /* Validate user parameters. */
654 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
655 return -EINVAL;
656 /* Don't wait more than 10 usec. */
657 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
658 return -EINVAL;
659 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
660 return -EINVAL;
661 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
662 return -EINVAL;
663
664 /* Verify a change took place before updating the hardware. */
665 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
666 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
667 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
668 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
669 return 0;
670
671 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
672 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
673 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
674 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
675
676 return ql_update_ring_coalescing(qdev);
677 }
678
ql_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)679 static void ql_get_pauseparam(struct net_device *netdev,
680 struct ethtool_pauseparam *pause)
681 {
682 struct ql_adapter *qdev = netdev_priv(netdev);
683
684 ql_mb_get_port_cfg(qdev);
685 if (qdev->link_config & CFG_PAUSE_STD) {
686 pause->rx_pause = 1;
687 pause->tx_pause = 1;
688 }
689 }
690
ql_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)691 static int ql_set_pauseparam(struct net_device *netdev,
692 struct ethtool_pauseparam *pause)
693 {
694 struct ql_adapter *qdev = netdev_priv(netdev);
695
696 if ((pause->rx_pause) && (pause->tx_pause))
697 qdev->link_config |= CFG_PAUSE_STD;
698 else if (!pause->rx_pause && !pause->tx_pause)
699 qdev->link_config &= ~CFG_PAUSE_STD;
700 else
701 return -EINVAL;
702
703 return ql_mb_set_port_cfg(qdev);
704 }
705
ql_get_msglevel(struct net_device * ndev)706 static u32 ql_get_msglevel(struct net_device *ndev)
707 {
708 struct ql_adapter *qdev = netdev_priv(ndev);
709
710 return qdev->msg_enable;
711 }
712
ql_set_msglevel(struct net_device * ndev,u32 value)713 static void ql_set_msglevel(struct net_device *ndev, u32 value)
714 {
715 struct ql_adapter *qdev = netdev_priv(ndev);
716
717 qdev->msg_enable = value;
718 }
719
720 const struct ethtool_ops qlge_ethtool_ops = {
721 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
722 ETHTOOL_COALESCE_MAX_FRAMES,
723 .get_drvinfo = ql_get_drvinfo,
724 .get_wol = ql_get_wol,
725 .set_wol = ql_set_wol,
726 .get_regs_len = ql_get_regs_len,
727 .get_regs = ql_get_regs,
728 .get_msglevel = ql_get_msglevel,
729 .set_msglevel = ql_set_msglevel,
730 .get_link = ethtool_op_get_link,
731 .set_phys_id = ql_set_phys_id,
732 .self_test = ql_self_test,
733 .get_pauseparam = ql_get_pauseparam,
734 .set_pauseparam = ql_set_pauseparam,
735 .get_coalesce = ql_get_coalesce,
736 .set_coalesce = ql_set_coalesce,
737 .get_sset_count = ql_get_sset_count,
738 .get_strings = ql_get_strings,
739 .get_ethtool_stats = ql_get_ethtool_stats,
740 .get_link_ksettings = ql_get_link_ksettings,
741 };
742
743