1 #include <linux/kernel.h>
2 #include <linux/types.h>
3 #include <linux/module.h>
4 #include <linux/list.h>
5 #include <linux/pci.h>
6 #include <linux/dma-mapping.h>
7 #include <linux/pagemap.h>
8 #include <linux/sched.h>
9 #include <linux/dmapool.h>
10 #include <linux/mempool.h>
11 #include <linux/spinlock.h>
12 #include <linux/kthread.h>
13 #include <linux/interrupt.h>
14 #include <linux/errno.h>
15 #include <linux/ioport.h>
16 #include <linux/in.h>
17 #include <linux/ip.h>
18 #include <linux/ipv6.h>
19 #include <net/ipv6.h>
20 #include <linux/tcp.h>
21 #include <linux/udp.h>
22 #include <linux/if_arp.h>
23 #include <linux/if_ether.h>
24 #include <linux/netdevice.h>
25 #include <linux/etherdevice.h>
26 #include <linux/ethtool.h>
27 #include <linux/skbuff.h>
28 #include <linux/rtnetlink.h>
29 #include <linux/if_vlan.h>
30 #include <linux/delay.h>
31 #include <linux/mm.h>
32 #include <linux/vmalloc.h>
33
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) FIELD_SIZEOF(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) !=
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
ql_update_stats(struct ql_adapter * qdev)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 /* 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 iter++;
298 }
299
300 /*
301 * Get Per-priority RX pause frame counter statistics.
302 */
303 for (i = 0x568; i < 0x5a8; i += 8) {
304 if (ql_read_xgmac_reg64(qdev, i, &data)) {
305 netif_err(qdev, drv, qdev->ndev,
306 "Error reading status register 0x%.04x.\n",
307 i);
308 goto end;
309 } else
310 *iter = data;
311 iter++;
312 }
313
314 /*
315 * Get RX NIC FIFO DROP statistics.
316 */
317 if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
318 netif_err(qdev, drv, qdev->ndev,
319 "Error reading status register 0x%.04x.\n", i);
320 goto end;
321 } else
322 *iter = data;
323 end:
324 ql_sem_unlock(qdev, qdev->xg_sem_mask);
325 quit:
326 spin_unlock(&qdev->stats_lock);
327
328 QL_DUMP_STAT(qdev);
329 }
330
ql_get_strings(struct net_device * dev,u32 stringset,u8 * buf)331 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
332 {
333 int index;
334 switch (stringset) {
335 case ETH_SS_TEST:
336 memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN);
337 break;
338 case ETH_SS_STATS:
339 for (index = 0; index < QLGE_STATS_LEN; index++) {
340 memcpy(buf + index * ETH_GSTRING_LEN,
341 ql_gstrings_stats[index].stat_string,
342 ETH_GSTRING_LEN);
343 }
344 break;
345 }
346 }
347
ql_get_sset_count(struct net_device * dev,int sset)348 static int ql_get_sset_count(struct net_device *dev, int sset)
349 {
350 switch (sset) {
351 case ETH_SS_TEST:
352 return QLGE_TEST_LEN;
353 case ETH_SS_STATS:
354 return QLGE_STATS_LEN;
355 default:
356 return -EOPNOTSUPP;
357 }
358 }
359
360 static void
ql_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)361 ql_get_ethtool_stats(struct net_device *ndev,
362 struct ethtool_stats *stats, u64 *data)
363 {
364 struct ql_adapter *qdev = netdev_priv(ndev);
365 int index, length;
366
367 length = QLGE_STATS_LEN;
368 ql_update_stats(qdev);
369
370 for (index = 0; index < length; index++) {
371 char *p = (char *)qdev +
372 ql_gstrings_stats[index].stat_offset;
373 *data++ = (ql_gstrings_stats[index].sizeof_stat ==
374 sizeof(u64)) ? *(u64 *)p : (*(u32 *)p);
375 }
376 }
377
ql_get_settings(struct net_device * ndev,struct ethtool_cmd * ecmd)378 static int ql_get_settings(struct net_device *ndev,
379 struct ethtool_cmd *ecmd)
380 {
381 struct ql_adapter *qdev = netdev_priv(ndev);
382
383 ecmd->supported = SUPPORTED_10000baseT_Full;
384 ecmd->advertising = ADVERTISED_10000baseT_Full;
385 ecmd->transceiver = XCVR_EXTERNAL;
386 if ((qdev->link_status & STS_LINK_TYPE_MASK) ==
387 STS_LINK_TYPE_10GBASET) {
388 ecmd->supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
389 ecmd->advertising |= (ADVERTISED_TP | ADVERTISED_Autoneg);
390 ecmd->port = PORT_TP;
391 ecmd->autoneg = AUTONEG_ENABLE;
392 } else {
393 ecmd->supported |= SUPPORTED_FIBRE;
394 ecmd->advertising |= ADVERTISED_FIBRE;
395 ecmd->port = PORT_FIBRE;
396 }
397
398 ethtool_cmd_speed_set(ecmd, SPEED_10000);
399 ecmd->duplex = DUPLEX_FULL;
400
401 return 0;
402 }
403
ql_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * drvinfo)404 static void ql_get_drvinfo(struct net_device *ndev,
405 struct ethtool_drvinfo *drvinfo)
406 {
407 struct ql_adapter *qdev = netdev_priv(ndev);
408 strlcpy(drvinfo->driver, qlge_driver_name, sizeof(drvinfo->driver));
409 strlcpy(drvinfo->version, qlge_driver_version,
410 sizeof(drvinfo->version));
411 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
412 "v%d.%d.%d",
413 (qdev->fw_rev_id & 0x00ff0000) >> 16,
414 (qdev->fw_rev_id & 0x0000ff00) >> 8,
415 (qdev->fw_rev_id & 0x000000ff));
416 strlcpy(drvinfo->bus_info, pci_name(qdev->pdev),
417 sizeof(drvinfo->bus_info));
418 }
419
ql_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)420 static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
421 {
422 struct ql_adapter *qdev = netdev_priv(ndev);
423 unsigned short ssys_dev = qdev->pdev->subsystem_device;
424
425 /* WOL is only supported for mezz card. */
426 if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 ||
427 ssys_dev == QLGE_MEZZ_SSYS_ID_180) {
428 wol->supported = WAKE_MAGIC;
429 wol->wolopts = qdev->wol;
430 }
431 }
432
ql_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)433 static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
434 {
435 struct ql_adapter *qdev = netdev_priv(ndev);
436 unsigned short ssys_dev = qdev->pdev->subsystem_device;
437
438 /* WOL is only supported for mezz card. */
439 if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 &&
440 ssys_dev != QLGE_MEZZ_SSYS_ID_180) {
441 netif_info(qdev, drv, qdev->ndev,
442 "WOL is only supported for mezz card\n");
443 return -EOPNOTSUPP;
444 }
445 if (wol->wolopts & ~WAKE_MAGIC)
446 return -EINVAL;
447 qdev->wol = wol->wolopts;
448
449 netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol);
450 return 0;
451 }
452
ql_set_phys_id(struct net_device * ndev,enum ethtool_phys_id_state state)453 static int ql_set_phys_id(struct net_device *ndev,
454 enum ethtool_phys_id_state state)
455
456 {
457 struct ql_adapter *qdev = netdev_priv(ndev);
458
459 switch (state) {
460 case ETHTOOL_ID_ACTIVE:
461 /* Save the current LED settings */
462 if (ql_mb_get_led_cfg(qdev))
463 return -EIO;
464
465 /* Start blinking */
466 ql_mb_set_led_cfg(qdev, QL_LED_BLINK);
467 return 0;
468
469 case ETHTOOL_ID_INACTIVE:
470 /* Restore LED settings */
471 if (ql_mb_set_led_cfg(qdev, qdev->led_config))
472 return -EIO;
473 return 0;
474
475 default:
476 return -EINVAL;
477 }
478 }
479
ql_start_loopback(struct ql_adapter * qdev)480 static int ql_start_loopback(struct ql_adapter *qdev)
481 {
482 if (netif_carrier_ok(qdev->ndev)) {
483 set_bit(QL_LB_LINK_UP, &qdev->flags);
484 netif_carrier_off(qdev->ndev);
485 } else
486 clear_bit(QL_LB_LINK_UP, &qdev->flags);
487 qdev->link_config |= CFG_LOOPBACK_PCS;
488 return ql_mb_set_port_cfg(qdev);
489 }
490
ql_stop_loopback(struct ql_adapter * qdev)491 static void ql_stop_loopback(struct ql_adapter *qdev)
492 {
493 qdev->link_config &= ~CFG_LOOPBACK_PCS;
494 ql_mb_set_port_cfg(qdev);
495 if (test_bit(QL_LB_LINK_UP, &qdev->flags)) {
496 netif_carrier_on(qdev->ndev);
497 clear_bit(QL_LB_LINK_UP, &qdev->flags);
498 }
499 }
500
ql_create_lb_frame(struct sk_buff * skb,unsigned int frame_size)501 static void ql_create_lb_frame(struct sk_buff *skb,
502 unsigned int frame_size)
503 {
504 memset(skb->data, 0xFF, frame_size);
505 frame_size &= ~1;
506 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
507 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
508 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
509 }
510
ql_check_lb_frame(struct ql_adapter * qdev,struct sk_buff * skb)511 void ql_check_lb_frame(struct ql_adapter *qdev,
512 struct sk_buff *skb)
513 {
514 unsigned int frame_size = skb->len;
515
516 if ((*(skb->data + 3) == 0xFF) &&
517 (*(skb->data + frame_size / 2 + 10) == 0xBE) &&
518 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
519 atomic_dec(&qdev->lb_count);
520 return;
521 }
522 }
523
ql_run_loopback_test(struct ql_adapter * qdev)524 static int ql_run_loopback_test(struct ql_adapter *qdev)
525 {
526 int i;
527 netdev_tx_t rc;
528 struct sk_buff *skb;
529 unsigned int size = SMALL_BUF_MAP_SIZE;
530
531 for (i = 0; i < 64; i++) {
532 skb = netdev_alloc_skb(qdev->ndev, size);
533 if (!skb)
534 return -ENOMEM;
535
536 skb->queue_mapping = 0;
537 skb_put(skb, size);
538 ql_create_lb_frame(skb, size);
539 rc = ql_lb_send(skb, qdev->ndev);
540 if (rc != NETDEV_TX_OK)
541 return -EPIPE;
542 atomic_inc(&qdev->lb_count);
543 }
544 /* Give queue time to settle before testing results. */
545 msleep(2);
546 ql_clean_lb_rx_ring(&qdev->rx_ring[0], 128);
547 return atomic_read(&qdev->lb_count) ? -EIO : 0;
548 }
549
ql_loopback_test(struct ql_adapter * qdev,u64 * data)550 static int ql_loopback_test(struct ql_adapter *qdev, u64 *data)
551 {
552 *data = ql_start_loopback(qdev);
553 if (*data)
554 goto out;
555 *data = ql_run_loopback_test(qdev);
556 out:
557 ql_stop_loopback(qdev);
558 return *data;
559 }
560
ql_self_test(struct net_device * ndev,struct ethtool_test * eth_test,u64 * data)561 static void ql_self_test(struct net_device *ndev,
562 struct ethtool_test *eth_test, u64 *data)
563 {
564 struct ql_adapter *qdev = netdev_priv(ndev);
565
566 memset(data, 0, sizeof(u64) * QLGE_TEST_LEN);
567
568 if (netif_running(ndev)) {
569 set_bit(QL_SELFTEST, &qdev->flags);
570 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
571 /* Offline tests */
572 if (ql_loopback_test(qdev, &data[0]))
573 eth_test->flags |= ETH_TEST_FL_FAILED;
574
575 } else {
576 /* Online tests */
577 data[0] = 0;
578 }
579 clear_bit(QL_SELFTEST, &qdev->flags);
580 /* Give link time to come up after
581 * port configuration changes.
582 */
583 msleep_interruptible(4 * 1000);
584 } else {
585 netif_err(qdev, drv, qdev->ndev,
586 "is down, Loopback test will fail.\n");
587 eth_test->flags |= ETH_TEST_FL_FAILED;
588 }
589 }
590
ql_get_regs_len(struct net_device * ndev)591 static int ql_get_regs_len(struct net_device *ndev)
592 {
593 struct ql_adapter *qdev = netdev_priv(ndev);
594
595 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
596 return sizeof(struct ql_mpi_coredump);
597 else
598 return sizeof(struct ql_reg_dump);
599 }
600
ql_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)601 static void ql_get_regs(struct net_device *ndev,
602 struct ethtool_regs *regs, void *p)
603 {
604 struct ql_adapter *qdev = netdev_priv(ndev);
605
606 ql_get_dump(qdev, p);
607 qdev->core_is_dumped = 0;
608 if (!test_bit(QL_FRC_COREDUMP, &qdev->flags))
609 regs->len = sizeof(struct ql_mpi_coredump);
610 else
611 regs->len = sizeof(struct ql_reg_dump);
612 }
613
ql_get_coalesce(struct net_device * dev,struct ethtool_coalesce * c)614 static int ql_get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
615 {
616 struct ql_adapter *qdev = netdev_priv(dev);
617
618 c->rx_coalesce_usecs = qdev->rx_coalesce_usecs;
619 c->tx_coalesce_usecs = qdev->tx_coalesce_usecs;
620
621 /* This chip coalesces as follows:
622 * If a packet arrives, hold off interrupts until
623 * cqicb->int_delay expires, but if no other packets arrive don't
624 * wait longer than cqicb->pkt_int_delay. But ethtool doesn't use a
625 * timer to coalesce on a frame basis. So, we have to take ethtool's
626 * max_coalesced_frames value and convert it to a delay in microseconds.
627 * We do this by using a basic thoughput of 1,000,000 frames per
628 * second @ (1024 bytes). This means one frame per usec. So it's a
629 * simple one to one ratio.
630 */
631 c->rx_max_coalesced_frames = qdev->rx_max_coalesced_frames;
632 c->tx_max_coalesced_frames = qdev->tx_max_coalesced_frames;
633
634 return 0;
635 }
636
ql_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * c)637 static int ql_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *c)
638 {
639 struct ql_adapter *qdev = netdev_priv(ndev);
640
641 /* Validate user parameters. */
642 if (c->rx_coalesce_usecs > qdev->rx_ring_size / 2)
643 return -EINVAL;
644 /* Don't wait more than 10 usec. */
645 if (c->rx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
646 return -EINVAL;
647 if (c->tx_coalesce_usecs > qdev->tx_ring_size / 2)
648 return -EINVAL;
649 if (c->tx_max_coalesced_frames > MAX_INTER_FRAME_WAIT)
650 return -EINVAL;
651
652 /* Verify a change took place before updating the hardware. */
653 if (qdev->rx_coalesce_usecs == c->rx_coalesce_usecs &&
654 qdev->tx_coalesce_usecs == c->tx_coalesce_usecs &&
655 qdev->rx_max_coalesced_frames == c->rx_max_coalesced_frames &&
656 qdev->tx_max_coalesced_frames == c->tx_max_coalesced_frames)
657 return 0;
658
659 qdev->rx_coalesce_usecs = c->rx_coalesce_usecs;
660 qdev->tx_coalesce_usecs = c->tx_coalesce_usecs;
661 qdev->rx_max_coalesced_frames = c->rx_max_coalesced_frames;
662 qdev->tx_max_coalesced_frames = c->tx_max_coalesced_frames;
663
664 return ql_update_ring_coalescing(qdev);
665 }
666
ql_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)667 static void ql_get_pauseparam(struct net_device *netdev,
668 struct ethtool_pauseparam *pause)
669 {
670 struct ql_adapter *qdev = netdev_priv(netdev);
671
672 ql_mb_get_port_cfg(qdev);
673 if (qdev->link_config & CFG_PAUSE_STD) {
674 pause->rx_pause = 1;
675 pause->tx_pause = 1;
676 }
677 }
678
ql_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)679 static int ql_set_pauseparam(struct net_device *netdev,
680 struct ethtool_pauseparam *pause)
681 {
682 struct ql_adapter *qdev = netdev_priv(netdev);
683 int status = 0;
684
685 if ((pause->rx_pause) && (pause->tx_pause))
686 qdev->link_config |= CFG_PAUSE_STD;
687 else if (!pause->rx_pause && !pause->tx_pause)
688 qdev->link_config &= ~CFG_PAUSE_STD;
689 else
690 return -EINVAL;
691
692 status = ql_mb_set_port_cfg(qdev);
693 return status;
694 }
695
ql_get_msglevel(struct net_device * ndev)696 static u32 ql_get_msglevel(struct net_device *ndev)
697 {
698 struct ql_adapter *qdev = netdev_priv(ndev);
699 return qdev->msg_enable;
700 }
701
ql_set_msglevel(struct net_device * ndev,u32 value)702 static void ql_set_msglevel(struct net_device *ndev, u32 value)
703 {
704 struct ql_adapter *qdev = netdev_priv(ndev);
705 qdev->msg_enable = value;
706 }
707
708 const struct ethtool_ops qlge_ethtool_ops = {
709 .get_settings = ql_get_settings,
710 .get_drvinfo = ql_get_drvinfo,
711 .get_wol = ql_get_wol,
712 .set_wol = ql_set_wol,
713 .get_regs_len = ql_get_regs_len,
714 .get_regs = ql_get_regs,
715 .get_msglevel = ql_get_msglevel,
716 .set_msglevel = ql_set_msglevel,
717 .get_link = ethtool_op_get_link,
718 .set_phys_id = ql_set_phys_id,
719 .self_test = ql_self_test,
720 .get_pauseparam = ql_get_pauseparam,
721 .set_pauseparam = ql_set_pauseparam,
722 .get_coalesce = ql_get_coalesce,
723 .set_coalesce = ql_set_coalesce,
724 .get_sset_count = ql_get_sset_count,
725 .get_strings = ql_get_strings,
726 .get_ethtool_stats = ql_get_ethtool_stats,
727 };
728
729