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qlge_ethtool.c
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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 
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