1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018 Intel Corporation */
3
4 /* ethtool support for igc */
5 #include <linux/if_vlan.h>
6 #include <linux/pm_runtime.h>
7 #include <linux/mdio.h>
8
9 #include "igc.h"
10 #include "igc_diag.h"
11 #include "igc_tsn.h"
12
13 /* forward declaration */
14 struct igc_stats {
15 char stat_string[ETH_GSTRING_LEN];
16 int sizeof_stat;
17 int stat_offset;
18 };
19
20 #define IGC_STAT(_name, _stat) { \
21 .stat_string = _name, \
22 .sizeof_stat = sizeof_field(struct igc_adapter, _stat), \
23 .stat_offset = offsetof(struct igc_adapter, _stat) \
24 }
25
26 static const struct igc_stats igc_gstrings_stats[] = {
27 IGC_STAT("rx_packets", stats.gprc),
28 IGC_STAT("tx_packets", stats.gptc),
29 IGC_STAT("rx_bytes", stats.gorc),
30 IGC_STAT("tx_bytes", stats.gotc),
31 IGC_STAT("rx_broadcast", stats.bprc),
32 IGC_STAT("tx_broadcast", stats.bptc),
33 IGC_STAT("rx_multicast", stats.mprc),
34 IGC_STAT("tx_multicast", stats.mptc),
35 IGC_STAT("multicast", stats.mprc),
36 IGC_STAT("collisions", stats.colc),
37 IGC_STAT("rx_crc_errors", stats.crcerrs),
38 IGC_STAT("rx_no_buffer_count", stats.rnbc),
39 IGC_STAT("rx_missed_errors", stats.mpc),
40 IGC_STAT("tx_aborted_errors", stats.ecol),
41 IGC_STAT("tx_carrier_errors", stats.tncrs),
42 IGC_STAT("tx_window_errors", stats.latecol),
43 IGC_STAT("tx_abort_late_coll", stats.latecol),
44 IGC_STAT("tx_deferred_ok", stats.dc),
45 IGC_STAT("tx_single_coll_ok", stats.scc),
46 IGC_STAT("tx_multi_coll_ok", stats.mcc),
47 IGC_STAT("tx_timeout_count", tx_timeout_count),
48 IGC_STAT("rx_long_length_errors", stats.roc),
49 IGC_STAT("rx_short_length_errors", stats.ruc),
50 IGC_STAT("rx_align_errors", stats.algnerrc),
51 IGC_STAT("tx_tcp_seg_good", stats.tsctc),
52 IGC_STAT("tx_tcp_seg_failed", stats.tsctfc),
53 IGC_STAT("rx_flow_control_xon", stats.xonrxc),
54 IGC_STAT("rx_flow_control_xoff", stats.xoffrxc),
55 IGC_STAT("tx_flow_control_xon", stats.xontxc),
56 IGC_STAT("tx_flow_control_xoff", stats.xofftxc),
57 IGC_STAT("rx_long_byte_count", stats.gorc),
58 IGC_STAT("tx_dma_out_of_sync", stats.doosync),
59 IGC_STAT("tx_smbus", stats.mgptc),
60 IGC_STAT("rx_smbus", stats.mgprc),
61 IGC_STAT("dropped_smbus", stats.mgpdc),
62 IGC_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
63 IGC_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
64 IGC_STAT("os2bmc_tx_by_host", stats.o2bspc),
65 IGC_STAT("os2bmc_rx_by_host", stats.b2ogprc),
66 IGC_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
67 IGC_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
68 IGC_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
69 IGC_STAT("tx_lpi_counter", stats.tlpic),
70 IGC_STAT("rx_lpi_counter", stats.rlpic),
71 IGC_STAT("qbv_config_change_errors", qbv_config_change_errors),
72 };
73
74 #define IGC_NETDEV_STAT(_net_stat) { \
75 .stat_string = __stringify(_net_stat), \
76 .sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \
77 .stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
78 }
79
80 static const struct igc_stats igc_gstrings_net_stats[] = {
81 IGC_NETDEV_STAT(rx_errors),
82 IGC_NETDEV_STAT(tx_errors),
83 IGC_NETDEV_STAT(tx_dropped),
84 IGC_NETDEV_STAT(rx_length_errors),
85 IGC_NETDEV_STAT(rx_over_errors),
86 IGC_NETDEV_STAT(rx_frame_errors),
87 IGC_NETDEV_STAT(rx_fifo_errors),
88 IGC_NETDEV_STAT(tx_fifo_errors),
89 IGC_NETDEV_STAT(tx_heartbeat_errors)
90 };
91
92 enum igc_diagnostics_results {
93 TEST_REG = 0,
94 TEST_EEP,
95 TEST_IRQ,
96 TEST_LOOP,
97 TEST_LINK
98 };
99
100 static const char igc_gstrings_test[][ETH_GSTRING_LEN] = {
101 [TEST_REG] = "Register test (offline)",
102 [TEST_EEP] = "Eeprom test (offline)",
103 [TEST_IRQ] = "Interrupt test (offline)",
104 [TEST_LOOP] = "Loopback test (offline)",
105 [TEST_LINK] = "Link test (on/offline)"
106 };
107
108 #define IGC_TEST_LEN (sizeof(igc_gstrings_test) / ETH_GSTRING_LEN)
109
110 #define IGC_GLOBAL_STATS_LEN \
111 (sizeof(igc_gstrings_stats) / sizeof(struct igc_stats))
112 #define IGC_NETDEV_STATS_LEN \
113 (sizeof(igc_gstrings_net_stats) / sizeof(struct igc_stats))
114 #define IGC_RX_QUEUE_STATS_LEN \
115 (sizeof(struct igc_rx_queue_stats) / sizeof(u64))
116 #define IGC_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */
117 #define IGC_QUEUE_STATS_LEN \
118 ((((struct igc_adapter *)netdev_priv(netdev))->num_rx_queues * \
119 IGC_RX_QUEUE_STATS_LEN) + \
120 (((struct igc_adapter *)netdev_priv(netdev))->num_tx_queues * \
121 IGC_TX_QUEUE_STATS_LEN))
122 #define IGC_STATS_LEN \
123 (IGC_GLOBAL_STATS_LEN + IGC_NETDEV_STATS_LEN + IGC_QUEUE_STATS_LEN)
124
125 #define IGC_PRIV_FLAGS_LEGACY_RX BIT(0)
126 #define IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO BIT(1)
127 static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = {
128 "legacy-rx",
129 "reverse-tsn-txq-prio",
130 };
131
132 #define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings)
133
igc_ethtool_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)134 static void igc_ethtool_get_drvinfo(struct net_device *netdev,
135 struct ethtool_drvinfo *drvinfo)
136 {
137 struct igc_adapter *adapter = netdev_priv(netdev);
138 struct igc_hw *hw = &adapter->hw;
139 u16 nvm_version = 0;
140 u16 gphy_version;
141
142 strscpy(drvinfo->driver, igc_driver_name, sizeof(drvinfo->driver));
143
144 /* NVM image version is reported as firmware version for i225 device */
145 hw->nvm.ops.read(hw, IGC_NVM_DEV_STARTER, 1, &nvm_version);
146
147 /* gPHY firmware version is reported as PHY FW version */
148 gphy_version = igc_read_phy_fw_version(hw);
149
150 scnprintf(adapter->fw_version,
151 sizeof(adapter->fw_version),
152 "%x:%x",
153 nvm_version,
154 gphy_version);
155
156 strscpy(drvinfo->fw_version, adapter->fw_version,
157 sizeof(drvinfo->fw_version));
158
159 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
160 sizeof(drvinfo->bus_info));
161
162 drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN;
163 }
164
igc_ethtool_get_regs_len(struct net_device * netdev)165 static int igc_ethtool_get_regs_len(struct net_device *netdev)
166 {
167 return IGC_REGS_LEN * sizeof(u32);
168 }
169
igc_ethtool_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)170 static void igc_ethtool_get_regs(struct net_device *netdev,
171 struct ethtool_regs *regs, void *p)
172 {
173 struct igc_adapter *adapter = netdev_priv(netdev);
174 struct igc_hw *hw = &adapter->hw;
175 u32 *regs_buff = p;
176 u8 i;
177
178 memset(p, 0, IGC_REGS_LEN * sizeof(u32));
179
180 regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id;
181
182 /* General Registers */
183 regs_buff[0] = rd32(IGC_CTRL);
184 regs_buff[1] = rd32(IGC_STATUS);
185 regs_buff[2] = rd32(IGC_CTRL_EXT);
186 regs_buff[3] = rd32(IGC_MDIC);
187 regs_buff[4] = rd32(IGC_CONNSW);
188
189 /* NVM Register */
190 regs_buff[5] = rd32(IGC_EECD);
191
192 /* Interrupt */
193 /* Reading EICS for EICR because they read the
194 * same but EICS does not clear on read
195 */
196 regs_buff[6] = rd32(IGC_EICS);
197 regs_buff[7] = rd32(IGC_EICS);
198 regs_buff[8] = rd32(IGC_EIMS);
199 regs_buff[9] = rd32(IGC_EIMC);
200 regs_buff[10] = rd32(IGC_EIAC);
201 regs_buff[11] = rd32(IGC_EIAM);
202 /* Reading ICS for ICR because they read the
203 * same but ICS does not clear on read
204 */
205 regs_buff[12] = rd32(IGC_ICS);
206 regs_buff[13] = rd32(IGC_ICS);
207 regs_buff[14] = rd32(IGC_IMS);
208 regs_buff[15] = rd32(IGC_IMC);
209 regs_buff[16] = rd32(IGC_IAC);
210 regs_buff[17] = rd32(IGC_IAM);
211
212 /* Flow Control */
213 regs_buff[18] = rd32(IGC_FCAL);
214 regs_buff[19] = rd32(IGC_FCAH);
215 regs_buff[20] = rd32(IGC_FCTTV);
216 regs_buff[21] = rd32(IGC_FCRTL);
217 regs_buff[22] = rd32(IGC_FCRTH);
218 regs_buff[23] = rd32(IGC_FCRTV);
219
220 /* Receive */
221 regs_buff[24] = rd32(IGC_RCTL);
222 regs_buff[25] = rd32(IGC_RXCSUM);
223 regs_buff[26] = rd32(IGC_RLPML);
224 regs_buff[27] = rd32(IGC_RFCTL);
225
226 /* Transmit */
227 regs_buff[28] = rd32(IGC_TCTL);
228 regs_buff[29] = rd32(IGC_TIPG);
229
230 /* Wake Up */
231
232 /* MAC */
233
234 /* Statistics */
235 regs_buff[30] = adapter->stats.crcerrs;
236 regs_buff[31] = adapter->stats.algnerrc;
237 regs_buff[32] = adapter->stats.symerrs;
238 regs_buff[33] = adapter->stats.rxerrc;
239 regs_buff[34] = adapter->stats.mpc;
240 regs_buff[35] = adapter->stats.scc;
241 regs_buff[36] = adapter->stats.ecol;
242 regs_buff[37] = adapter->stats.mcc;
243 regs_buff[38] = adapter->stats.latecol;
244 regs_buff[39] = adapter->stats.colc;
245 regs_buff[40] = adapter->stats.dc;
246 regs_buff[41] = adapter->stats.tncrs;
247 regs_buff[42] = adapter->stats.sec;
248 regs_buff[43] = adapter->stats.htdpmc;
249 regs_buff[44] = adapter->stats.rlec;
250 regs_buff[45] = adapter->stats.xonrxc;
251 regs_buff[46] = adapter->stats.xontxc;
252 regs_buff[47] = adapter->stats.xoffrxc;
253 regs_buff[48] = adapter->stats.xofftxc;
254 regs_buff[49] = adapter->stats.fcruc;
255 regs_buff[50] = adapter->stats.prc64;
256 regs_buff[51] = adapter->stats.prc127;
257 regs_buff[52] = adapter->stats.prc255;
258 regs_buff[53] = adapter->stats.prc511;
259 regs_buff[54] = adapter->stats.prc1023;
260 regs_buff[55] = adapter->stats.prc1522;
261 regs_buff[56] = adapter->stats.gprc;
262 regs_buff[57] = adapter->stats.bprc;
263 regs_buff[58] = adapter->stats.mprc;
264 regs_buff[59] = adapter->stats.gptc;
265 regs_buff[60] = adapter->stats.gorc;
266 regs_buff[61] = adapter->stats.gotc;
267 regs_buff[62] = adapter->stats.rnbc;
268 regs_buff[63] = adapter->stats.ruc;
269 regs_buff[64] = adapter->stats.rfc;
270 regs_buff[65] = adapter->stats.roc;
271 regs_buff[66] = adapter->stats.rjc;
272 regs_buff[67] = adapter->stats.mgprc;
273 regs_buff[68] = adapter->stats.mgpdc;
274 regs_buff[69] = adapter->stats.mgptc;
275 regs_buff[70] = adapter->stats.tor;
276 regs_buff[71] = adapter->stats.tot;
277 regs_buff[72] = adapter->stats.tpr;
278 regs_buff[73] = adapter->stats.tpt;
279 regs_buff[74] = adapter->stats.ptc64;
280 regs_buff[75] = adapter->stats.ptc127;
281 regs_buff[76] = adapter->stats.ptc255;
282 regs_buff[77] = adapter->stats.ptc511;
283 regs_buff[78] = adapter->stats.ptc1023;
284 regs_buff[79] = adapter->stats.ptc1522;
285 regs_buff[80] = adapter->stats.mptc;
286 regs_buff[81] = adapter->stats.bptc;
287 regs_buff[82] = adapter->stats.tsctc;
288 regs_buff[83] = adapter->stats.iac;
289 regs_buff[84] = adapter->stats.rpthc;
290 regs_buff[85] = adapter->stats.hgptc;
291 regs_buff[86] = adapter->stats.hgorc;
292 regs_buff[87] = adapter->stats.hgotc;
293 regs_buff[88] = adapter->stats.lenerrs;
294 regs_buff[89] = adapter->stats.scvpc;
295 regs_buff[90] = adapter->stats.hrmpc;
296
297 for (i = 0; i < 4; i++)
298 regs_buff[91 + i] = rd32(IGC_SRRCTL(i));
299 for (i = 0; i < 4; i++)
300 regs_buff[95 + i] = rd32(IGC_PSRTYPE(i));
301 for (i = 0; i < 4; i++)
302 regs_buff[99 + i] = rd32(IGC_RDBAL(i));
303 for (i = 0; i < 4; i++)
304 regs_buff[103 + i] = rd32(IGC_RDBAH(i));
305 for (i = 0; i < 4; i++)
306 regs_buff[107 + i] = rd32(IGC_RDLEN(i));
307 for (i = 0; i < 4; i++)
308 regs_buff[111 + i] = rd32(IGC_RDH(i));
309 for (i = 0; i < 4; i++)
310 regs_buff[115 + i] = rd32(IGC_RDT(i));
311 for (i = 0; i < 4; i++)
312 regs_buff[119 + i] = rd32(IGC_RXDCTL(i));
313
314 for (i = 0; i < 10; i++)
315 regs_buff[123 + i] = rd32(IGC_EITR(i));
316 for (i = 0; i < 16; i++)
317 regs_buff[139 + i] = rd32(IGC_RAL(i));
318 for (i = 0; i < 16; i++)
319 regs_buff[145 + i] = rd32(IGC_RAH(i));
320
321 for (i = 0; i < 4; i++)
322 regs_buff[149 + i] = rd32(IGC_TDBAL(i));
323 for (i = 0; i < 4; i++)
324 regs_buff[152 + i] = rd32(IGC_TDBAH(i));
325 for (i = 0; i < 4; i++)
326 regs_buff[156 + i] = rd32(IGC_TDLEN(i));
327 for (i = 0; i < 4; i++)
328 regs_buff[160 + i] = rd32(IGC_TDH(i));
329 for (i = 0; i < 4; i++)
330 regs_buff[164 + i] = rd32(IGC_TDT(i));
331 for (i = 0; i < 4; i++)
332 regs_buff[168 + i] = rd32(IGC_TXDCTL(i));
333
334 /* XXX: Due to a bug few lines above, RAL and RAH registers are
335 * overwritten. To preserve the ABI, we write these registers again in
336 * regs_buff.
337 */
338 for (i = 0; i < 16; i++)
339 regs_buff[172 + i] = rd32(IGC_RAL(i));
340 for (i = 0; i < 16; i++)
341 regs_buff[188 + i] = rd32(IGC_RAH(i));
342
343 regs_buff[204] = rd32(IGC_VLANPQF);
344
345 for (i = 0; i < 8; i++)
346 regs_buff[205 + i] = rd32(IGC_ETQF(i));
347
348 regs_buff[213] = adapter->stats.tlpic;
349 regs_buff[214] = adapter->stats.rlpic;
350 }
351
igc_ethtool_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)352 static void igc_ethtool_get_wol(struct net_device *netdev,
353 struct ethtool_wolinfo *wol)
354 {
355 struct igc_adapter *adapter = netdev_priv(netdev);
356
357 wol->wolopts = 0;
358
359 if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED))
360 return;
361
362 wol->supported = WAKE_UCAST | WAKE_MCAST |
363 WAKE_BCAST | WAKE_MAGIC |
364 WAKE_PHY;
365
366 /* apply any specific unsupported masks here */
367 switch (adapter->hw.device_id) {
368 default:
369 break;
370 }
371
372 if (adapter->wol & IGC_WUFC_EX)
373 wol->wolopts |= WAKE_UCAST;
374 if (adapter->wol & IGC_WUFC_MC)
375 wol->wolopts |= WAKE_MCAST;
376 if (adapter->wol & IGC_WUFC_BC)
377 wol->wolopts |= WAKE_BCAST;
378 if (adapter->wol & IGC_WUFC_MAG)
379 wol->wolopts |= WAKE_MAGIC;
380 if (adapter->wol & IGC_WUFC_LNKC)
381 wol->wolopts |= WAKE_PHY;
382 }
383
igc_ethtool_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)384 static int igc_ethtool_set_wol(struct net_device *netdev,
385 struct ethtool_wolinfo *wol)
386 {
387 struct igc_adapter *adapter = netdev_priv(netdev);
388
389 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER))
390 return -EOPNOTSUPP;
391
392 if (!(adapter->flags & IGC_FLAG_WOL_SUPPORTED))
393 return wol->wolopts ? -EOPNOTSUPP : 0;
394
395 /* these settings will always override what we currently have */
396 adapter->wol = 0;
397
398 if (wol->wolopts & WAKE_UCAST)
399 adapter->wol |= IGC_WUFC_EX;
400 if (wol->wolopts & WAKE_MCAST)
401 adapter->wol |= IGC_WUFC_MC;
402 if (wol->wolopts & WAKE_BCAST)
403 adapter->wol |= IGC_WUFC_BC;
404 if (wol->wolopts & WAKE_MAGIC)
405 adapter->wol |= IGC_WUFC_MAG;
406 if (wol->wolopts & WAKE_PHY)
407 adapter->wol |= IGC_WUFC_LNKC;
408 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
409
410 return 0;
411 }
412
igc_ethtool_get_msglevel(struct net_device * netdev)413 static u32 igc_ethtool_get_msglevel(struct net_device *netdev)
414 {
415 struct igc_adapter *adapter = netdev_priv(netdev);
416
417 return adapter->msg_enable;
418 }
419
igc_ethtool_set_msglevel(struct net_device * netdev,u32 data)420 static void igc_ethtool_set_msglevel(struct net_device *netdev, u32 data)
421 {
422 struct igc_adapter *adapter = netdev_priv(netdev);
423
424 adapter->msg_enable = data;
425 }
426
igc_ethtool_nway_reset(struct net_device * netdev)427 static int igc_ethtool_nway_reset(struct net_device *netdev)
428 {
429 struct igc_adapter *adapter = netdev_priv(netdev);
430
431 if (netif_running(netdev))
432 igc_reinit_locked(adapter);
433 return 0;
434 }
435
igc_ethtool_get_link(struct net_device * netdev)436 static u32 igc_ethtool_get_link(struct net_device *netdev)
437 {
438 struct igc_adapter *adapter = netdev_priv(netdev);
439 struct igc_mac_info *mac = &adapter->hw.mac;
440
441 /* If the link is not reported up to netdev, interrupts are disabled,
442 * and so the physical link state may have changed since we last
443 * looked. Set get_link_status to make sure that the true link
444 * state is interrogated, rather than pulling a cached and possibly
445 * stale link state from the driver.
446 */
447 if (!netif_carrier_ok(netdev))
448 mac->get_link_status = 1;
449
450 return igc_has_link(adapter);
451 }
452
igc_ethtool_get_eeprom_len(struct net_device * netdev)453 static int igc_ethtool_get_eeprom_len(struct net_device *netdev)
454 {
455 struct igc_adapter *adapter = netdev_priv(netdev);
456
457 return adapter->hw.nvm.word_size * 2;
458 }
459
igc_ethtool_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)460 static int igc_ethtool_get_eeprom(struct net_device *netdev,
461 struct ethtool_eeprom *eeprom, u8 *bytes)
462 {
463 struct igc_adapter *adapter = netdev_priv(netdev);
464 struct igc_hw *hw = &adapter->hw;
465 int first_word, last_word;
466 u16 *eeprom_buff;
467 int ret_val = 0;
468 u16 i;
469
470 if (eeprom->len == 0)
471 return -EINVAL;
472
473 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
474
475 first_word = eeprom->offset >> 1;
476 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
477
478 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
479 GFP_KERNEL);
480 if (!eeprom_buff)
481 return -ENOMEM;
482
483 if (hw->nvm.type == igc_nvm_eeprom_spi) {
484 ret_val = hw->nvm.ops.read(hw, first_word,
485 last_word - first_word + 1,
486 eeprom_buff);
487 } else {
488 for (i = 0; i < last_word - first_word + 1; i++) {
489 ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
490 &eeprom_buff[i]);
491 if (ret_val)
492 break;
493 }
494 }
495
496 /* Device's eeprom is always little-endian, word addressable */
497 for (i = 0; i < last_word - first_word + 1; i++)
498 le16_to_cpus(&eeprom_buff[i]);
499
500 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
501 eeprom->len);
502 kfree(eeprom_buff);
503
504 return ret_val;
505 }
506
igc_ethtool_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)507 static int igc_ethtool_set_eeprom(struct net_device *netdev,
508 struct ethtool_eeprom *eeprom, u8 *bytes)
509 {
510 struct igc_adapter *adapter = netdev_priv(netdev);
511 struct igc_hw *hw = &adapter->hw;
512 int max_len, first_word, last_word, ret_val = 0;
513 u16 *eeprom_buff;
514 void *ptr;
515 u16 i;
516
517 if (eeprom->len == 0)
518 return -EOPNOTSUPP;
519
520 if (hw->mac.type >= igc_i225 &&
521 !igc_get_flash_presence_i225(hw)) {
522 return -EOPNOTSUPP;
523 }
524
525 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
526 return -EFAULT;
527
528 max_len = hw->nvm.word_size * 2;
529
530 first_word = eeprom->offset >> 1;
531 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
532 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
533 if (!eeprom_buff)
534 return -ENOMEM;
535
536 ptr = (void *)eeprom_buff;
537
538 if (eeprom->offset & 1) {
539 /* need read/modify/write of first changed EEPROM word
540 * only the second byte of the word is being modified
541 */
542 ret_val = hw->nvm.ops.read(hw, first_word, 1,
543 &eeprom_buff[0]);
544 ptr++;
545 }
546 if (((eeprom->offset + eeprom->len) & 1) && ret_val == 0) {
547 /* need read/modify/write of last changed EEPROM word
548 * only the first byte of the word is being modified
549 */
550 ret_val = hw->nvm.ops.read(hw, last_word, 1,
551 &eeprom_buff[last_word - first_word]);
552 }
553
554 /* Device's eeprom is always little-endian, word addressable */
555 for (i = 0; i < last_word - first_word + 1; i++)
556 le16_to_cpus(&eeprom_buff[i]);
557
558 memcpy(ptr, bytes, eeprom->len);
559
560 for (i = 0; i < last_word - first_word + 1; i++)
561 cpu_to_le16s(&eeprom_buff[i]);
562
563 ret_val = hw->nvm.ops.write(hw, first_word,
564 last_word - first_word + 1, eeprom_buff);
565
566 /* Update the checksum if nvm write succeeded */
567 if (ret_val == 0)
568 hw->nvm.ops.update(hw);
569
570 kfree(eeprom_buff);
571 return ret_val;
572 }
573
574 static void
igc_ethtool_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ering,struct netlink_ext_ack * extack)575 igc_ethtool_get_ringparam(struct net_device *netdev,
576 struct ethtool_ringparam *ring,
577 struct kernel_ethtool_ringparam *kernel_ering,
578 struct netlink_ext_ack *extack)
579 {
580 struct igc_adapter *adapter = netdev_priv(netdev);
581
582 ring->rx_max_pending = IGC_MAX_RXD;
583 ring->tx_max_pending = IGC_MAX_TXD;
584 ring->rx_pending = adapter->rx_ring_count;
585 ring->tx_pending = adapter->tx_ring_count;
586 }
587
588 static int
igc_ethtool_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ering,struct netlink_ext_ack * extack)589 igc_ethtool_set_ringparam(struct net_device *netdev,
590 struct ethtool_ringparam *ring,
591 struct kernel_ethtool_ringparam *kernel_ering,
592 struct netlink_ext_ack *extack)
593 {
594 struct igc_adapter *adapter = netdev_priv(netdev);
595 struct igc_ring *temp_ring;
596 u16 new_rx_count, new_tx_count;
597 int i, err = 0;
598
599 if (ring->rx_mini_pending || ring->rx_jumbo_pending)
600 return -EINVAL;
601
602 new_rx_count = min_t(u32, ring->rx_pending, IGC_MAX_RXD);
603 new_rx_count = max_t(u16, new_rx_count, IGC_MIN_RXD);
604 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
605
606 new_tx_count = min_t(u32, ring->tx_pending, IGC_MAX_TXD);
607 new_tx_count = max_t(u16, new_tx_count, IGC_MIN_TXD);
608 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
609
610 if (new_tx_count == adapter->tx_ring_count &&
611 new_rx_count == adapter->rx_ring_count) {
612 /* nothing to do */
613 return 0;
614 }
615
616 while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
617 usleep_range(1000, 2000);
618
619 if (!netif_running(adapter->netdev)) {
620 for (i = 0; i < adapter->num_tx_queues; i++)
621 adapter->tx_ring[i]->count = new_tx_count;
622 for (i = 0; i < adapter->num_rx_queues; i++)
623 adapter->rx_ring[i]->count = new_rx_count;
624 adapter->tx_ring_count = new_tx_count;
625 adapter->rx_ring_count = new_rx_count;
626 goto clear_reset;
627 }
628
629 if (adapter->num_tx_queues > adapter->num_rx_queues)
630 temp_ring = vmalloc(array_size(sizeof(struct igc_ring),
631 adapter->num_tx_queues));
632 else
633 temp_ring = vmalloc(array_size(sizeof(struct igc_ring),
634 adapter->num_rx_queues));
635
636 if (!temp_ring) {
637 err = -ENOMEM;
638 goto clear_reset;
639 }
640
641 igc_down(adapter);
642
643 /* We can't just free everything and then setup again,
644 * because the ISRs in MSI-X mode get passed pointers
645 * to the Tx and Rx ring structs.
646 */
647 if (new_tx_count != adapter->tx_ring_count) {
648 for (i = 0; i < adapter->num_tx_queues; i++) {
649 memcpy(&temp_ring[i], adapter->tx_ring[i],
650 sizeof(struct igc_ring));
651
652 temp_ring[i].count = new_tx_count;
653 err = igc_setup_tx_resources(&temp_ring[i]);
654 if (err) {
655 while (i) {
656 i--;
657 igc_free_tx_resources(&temp_ring[i]);
658 }
659 goto err_setup;
660 }
661 }
662
663 for (i = 0; i < adapter->num_tx_queues; i++) {
664 igc_free_tx_resources(adapter->tx_ring[i]);
665
666 memcpy(adapter->tx_ring[i], &temp_ring[i],
667 sizeof(struct igc_ring));
668 }
669
670 adapter->tx_ring_count = new_tx_count;
671 }
672
673 if (new_rx_count != adapter->rx_ring_count) {
674 for (i = 0; i < adapter->num_rx_queues; i++) {
675 memcpy(&temp_ring[i], adapter->rx_ring[i],
676 sizeof(struct igc_ring));
677
678 temp_ring[i].count = new_rx_count;
679 err = igc_setup_rx_resources(&temp_ring[i]);
680 if (err) {
681 while (i) {
682 i--;
683 igc_free_rx_resources(&temp_ring[i]);
684 }
685 goto err_setup;
686 }
687 }
688
689 for (i = 0; i < adapter->num_rx_queues; i++) {
690 igc_free_rx_resources(adapter->rx_ring[i]);
691
692 memcpy(adapter->rx_ring[i], &temp_ring[i],
693 sizeof(struct igc_ring));
694 }
695
696 adapter->rx_ring_count = new_rx_count;
697 }
698 err_setup:
699 igc_up(adapter);
700 vfree(temp_ring);
701 clear_reset:
702 clear_bit(__IGC_RESETTING, &adapter->state);
703 return err;
704 }
705
igc_ethtool_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)706 static void igc_ethtool_get_pauseparam(struct net_device *netdev,
707 struct ethtool_pauseparam *pause)
708 {
709 struct igc_adapter *adapter = netdev_priv(netdev);
710 struct igc_hw *hw = &adapter->hw;
711
712 pause->autoneg =
713 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
714
715 if (hw->fc.current_mode == igc_fc_rx_pause) {
716 pause->rx_pause = 1;
717 } else if (hw->fc.current_mode == igc_fc_tx_pause) {
718 pause->tx_pause = 1;
719 } else if (hw->fc.current_mode == igc_fc_full) {
720 pause->rx_pause = 1;
721 pause->tx_pause = 1;
722 }
723 }
724
igc_ethtool_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)725 static int igc_ethtool_set_pauseparam(struct net_device *netdev,
726 struct ethtool_pauseparam *pause)
727 {
728 struct igc_adapter *adapter = netdev_priv(netdev);
729 struct igc_hw *hw = &adapter->hw;
730 int retval = 0;
731
732 adapter->fc_autoneg = pause->autoneg;
733
734 while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
735 usleep_range(1000, 2000);
736
737 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
738 hw->fc.requested_mode = igc_fc_default;
739 if (netif_running(adapter->netdev)) {
740 igc_down(adapter);
741 igc_up(adapter);
742 } else {
743 igc_reset(adapter);
744 }
745 } else {
746 if (pause->rx_pause && pause->tx_pause)
747 hw->fc.requested_mode = igc_fc_full;
748 else if (pause->rx_pause && !pause->tx_pause)
749 hw->fc.requested_mode = igc_fc_rx_pause;
750 else if (!pause->rx_pause && pause->tx_pause)
751 hw->fc.requested_mode = igc_fc_tx_pause;
752 else if (!pause->rx_pause && !pause->tx_pause)
753 hw->fc.requested_mode = igc_fc_none;
754
755 hw->fc.current_mode = hw->fc.requested_mode;
756
757 retval = ((hw->phy.media_type == igc_media_type_copper) ?
758 igc_force_mac_fc(hw) : igc_setup_link(hw));
759 }
760
761 clear_bit(__IGC_RESETTING, &adapter->state);
762 return retval;
763 }
764
igc_ethtool_get_strings(struct net_device * netdev,u32 stringset,u8 * data)765 static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset,
766 u8 *data)
767 {
768 struct igc_adapter *adapter = netdev_priv(netdev);
769 u8 *p = data;
770 int i;
771
772 switch (stringset) {
773 case ETH_SS_TEST:
774 memcpy(data, *igc_gstrings_test,
775 IGC_TEST_LEN * ETH_GSTRING_LEN);
776 break;
777 case ETH_SS_STATS:
778 for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++)
779 ethtool_puts(&p, igc_gstrings_stats[i].stat_string);
780 for (i = 0; i < IGC_NETDEV_STATS_LEN; i++)
781 ethtool_puts(&p, igc_gstrings_net_stats[i].stat_string);
782 for (i = 0; i < adapter->num_tx_queues; i++) {
783 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
784 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
785 ethtool_sprintf(&p, "tx_queue_%u_restart", i);
786 }
787 for (i = 0; i < adapter->num_rx_queues; i++) {
788 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
789 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
790 ethtool_sprintf(&p, "rx_queue_%u_drops", i);
791 ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
792 ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
793 }
794 /* BUG_ON(p - data != IGC_STATS_LEN * ETH_GSTRING_LEN); */
795 break;
796 case ETH_SS_PRIV_FLAGS:
797 memcpy(data, igc_priv_flags_strings,
798 IGC_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
799 break;
800 }
801 }
802
igc_ethtool_get_sset_count(struct net_device * netdev,int sset)803 static int igc_ethtool_get_sset_count(struct net_device *netdev, int sset)
804 {
805 switch (sset) {
806 case ETH_SS_STATS:
807 return IGC_STATS_LEN;
808 case ETH_SS_TEST:
809 return IGC_TEST_LEN;
810 case ETH_SS_PRIV_FLAGS:
811 return IGC_PRIV_FLAGS_STR_LEN;
812 default:
813 return -ENOTSUPP;
814 }
815 }
816
igc_ethtool_get_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)817 static void igc_ethtool_get_stats(struct net_device *netdev,
818 struct ethtool_stats *stats, u64 *data)
819 {
820 struct igc_adapter *adapter = netdev_priv(netdev);
821 struct rtnl_link_stats64 *net_stats = &adapter->stats64;
822 unsigned int start;
823 struct igc_ring *ring;
824 int i, j;
825 char *p;
826
827 spin_lock(&adapter->stats64_lock);
828 igc_update_stats(adapter);
829
830 for (i = 0; i < IGC_GLOBAL_STATS_LEN; i++) {
831 p = (char *)adapter + igc_gstrings_stats[i].stat_offset;
832 data[i] = (igc_gstrings_stats[i].sizeof_stat ==
833 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
834 }
835 for (j = 0; j < IGC_NETDEV_STATS_LEN; j++, i++) {
836 p = (char *)net_stats + igc_gstrings_net_stats[j].stat_offset;
837 data[i] = (igc_gstrings_net_stats[j].sizeof_stat ==
838 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
839 }
840 for (j = 0; j < adapter->num_tx_queues; j++) {
841 u64 restart2;
842
843 ring = adapter->tx_ring[j];
844 do {
845 start = u64_stats_fetch_begin(&ring->tx_syncp);
846 data[i] = ring->tx_stats.packets;
847 data[i + 1] = ring->tx_stats.bytes;
848 data[i + 2] = ring->tx_stats.restart_queue;
849 } while (u64_stats_fetch_retry(&ring->tx_syncp, start));
850 do {
851 start = u64_stats_fetch_begin(&ring->tx_syncp2);
852 restart2 = ring->tx_stats.restart_queue2;
853 } while (u64_stats_fetch_retry(&ring->tx_syncp2, start));
854 data[i + 2] += restart2;
855
856 i += IGC_TX_QUEUE_STATS_LEN;
857 }
858 for (j = 0; j < adapter->num_rx_queues; j++) {
859 ring = adapter->rx_ring[j];
860 do {
861 start = u64_stats_fetch_begin(&ring->rx_syncp);
862 data[i] = ring->rx_stats.packets;
863 data[i + 1] = ring->rx_stats.bytes;
864 data[i + 2] = ring->rx_stats.drops;
865 data[i + 3] = ring->rx_stats.csum_err;
866 data[i + 4] = ring->rx_stats.alloc_failed;
867 } while (u64_stats_fetch_retry(&ring->rx_syncp, start));
868 i += IGC_RX_QUEUE_STATS_LEN;
869 }
870 spin_unlock(&adapter->stats64_lock);
871 }
872
igc_ethtool_get_previous_rx_coalesce(struct igc_adapter * adapter)873 static int igc_ethtool_get_previous_rx_coalesce(struct igc_adapter *adapter)
874 {
875 return (adapter->rx_itr_setting <= 3) ?
876 adapter->rx_itr_setting : adapter->rx_itr_setting >> 2;
877 }
878
igc_ethtool_get_previous_tx_coalesce(struct igc_adapter * adapter)879 static int igc_ethtool_get_previous_tx_coalesce(struct igc_adapter *adapter)
880 {
881 return (adapter->tx_itr_setting <= 3) ?
882 adapter->tx_itr_setting : adapter->tx_itr_setting >> 2;
883 }
884
igc_ethtool_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)885 static int igc_ethtool_get_coalesce(struct net_device *netdev,
886 struct ethtool_coalesce *ec,
887 struct kernel_ethtool_coalesce *kernel_coal,
888 struct netlink_ext_ack *extack)
889 {
890 struct igc_adapter *adapter = netdev_priv(netdev);
891
892 ec->rx_coalesce_usecs = igc_ethtool_get_previous_rx_coalesce(adapter);
893 ec->tx_coalesce_usecs = igc_ethtool_get_previous_tx_coalesce(adapter);
894
895 return 0;
896 }
897
igc_ethtool_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)898 static int igc_ethtool_set_coalesce(struct net_device *netdev,
899 struct ethtool_coalesce *ec,
900 struct kernel_ethtool_coalesce *kernel_coal,
901 struct netlink_ext_ack *extack)
902 {
903 struct igc_adapter *adapter = netdev_priv(netdev);
904 int i;
905
906 if (ec->rx_coalesce_usecs > IGC_MAX_ITR_USECS ||
907 (ec->rx_coalesce_usecs > 3 &&
908 ec->rx_coalesce_usecs < IGC_MIN_ITR_USECS) ||
909 ec->rx_coalesce_usecs == 2)
910 return -EINVAL;
911
912 if (ec->tx_coalesce_usecs > IGC_MAX_ITR_USECS ||
913 (ec->tx_coalesce_usecs > 3 &&
914 ec->tx_coalesce_usecs < IGC_MIN_ITR_USECS) ||
915 ec->tx_coalesce_usecs == 2)
916 return -EINVAL;
917
918 if ((adapter->flags & IGC_FLAG_QUEUE_PAIRS) &&
919 ec->tx_coalesce_usecs != igc_ethtool_get_previous_tx_coalesce(adapter)) {
920 NL_SET_ERR_MSG_MOD(extack,
921 "Queue Pair mode enabled, both Rx and Tx coalescing controlled by rx-usecs");
922 return -EINVAL;
923 }
924
925 /* If ITR is disabled, disable DMAC */
926 if (ec->rx_coalesce_usecs == 0) {
927 if (adapter->flags & IGC_FLAG_DMAC)
928 adapter->flags &= ~IGC_FLAG_DMAC;
929 }
930
931 /* convert to rate of irq's per second */
932 if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
933 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
934 else
935 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
936
937 /* convert to rate of irq's per second */
938 if (adapter->flags & IGC_FLAG_QUEUE_PAIRS)
939 adapter->tx_itr_setting = adapter->rx_itr_setting;
940 else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
941 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
942 else
943 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
944
945 for (i = 0; i < adapter->num_q_vectors; i++) {
946 struct igc_q_vector *q_vector = adapter->q_vector[i];
947
948 q_vector->tx.work_limit = adapter->tx_work_limit;
949 if (q_vector->rx.ring)
950 q_vector->itr_val = adapter->rx_itr_setting;
951 else
952 q_vector->itr_val = adapter->tx_itr_setting;
953 if (q_vector->itr_val && q_vector->itr_val <= 3)
954 q_vector->itr_val = IGC_START_ITR;
955 q_vector->set_itr = 1;
956 }
957
958 return 0;
959 }
960
961 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
962 #define VLAN_TCI_FULL_MASK ((__force __be16)~0)
igc_ethtool_get_nfc_rule(struct igc_adapter * adapter,struct ethtool_rxnfc * cmd)963 static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter,
964 struct ethtool_rxnfc *cmd)
965 {
966 struct ethtool_rx_flow_spec *fsp = &cmd->fs;
967 struct igc_nfc_rule *rule = NULL;
968
969 cmd->data = IGC_MAX_RXNFC_RULES;
970
971 mutex_lock(&adapter->nfc_rule_lock);
972
973 rule = igc_get_nfc_rule(adapter, fsp->location);
974 if (!rule)
975 goto out;
976
977 fsp->flow_type = ETHER_FLOW;
978 fsp->ring_cookie = rule->action;
979
980 if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
981 fsp->h_u.ether_spec.h_proto = htons(rule->filter.etype);
982 fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
983 }
984
985 if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) {
986 fsp->flow_type |= FLOW_EXT;
987 fsp->h_ext.vlan_etype = htons(rule->filter.vlan_etype);
988 fsp->m_ext.vlan_etype = ETHER_TYPE_FULL_MASK;
989 }
990
991 if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
992 fsp->flow_type |= FLOW_EXT;
993 fsp->h_ext.vlan_tci = htons(rule->filter.vlan_tci);
994 fsp->m_ext.vlan_tci = htons(rule->filter.vlan_tci_mask);
995 }
996
997 if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
998 ether_addr_copy(fsp->h_u.ether_spec.h_dest,
999 rule->filter.dst_addr);
1000 eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
1001 }
1002
1003 if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
1004 ether_addr_copy(fsp->h_u.ether_spec.h_source,
1005 rule->filter.src_addr);
1006 eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
1007 }
1008
1009 if (rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) {
1010 fsp->flow_type |= FLOW_EXT;
1011 memcpy(fsp->h_ext.data, rule->filter.user_data, sizeof(fsp->h_ext.data));
1012 memcpy(fsp->m_ext.data, rule->filter.user_mask, sizeof(fsp->m_ext.data));
1013 }
1014
1015 mutex_unlock(&adapter->nfc_rule_lock);
1016 return 0;
1017
1018 out:
1019 mutex_unlock(&adapter->nfc_rule_lock);
1020 return -EINVAL;
1021 }
1022
igc_ethtool_get_nfc_rules(struct igc_adapter * adapter,struct ethtool_rxnfc * cmd,u32 * rule_locs)1023 static int igc_ethtool_get_nfc_rules(struct igc_adapter *adapter,
1024 struct ethtool_rxnfc *cmd,
1025 u32 *rule_locs)
1026 {
1027 struct igc_nfc_rule *rule;
1028 int cnt = 0;
1029
1030 cmd->data = IGC_MAX_RXNFC_RULES;
1031
1032 mutex_lock(&adapter->nfc_rule_lock);
1033
1034 list_for_each_entry(rule, &adapter->nfc_rule_list, list) {
1035 if (cnt == cmd->rule_cnt) {
1036 mutex_unlock(&adapter->nfc_rule_lock);
1037 return -EMSGSIZE;
1038 }
1039 rule_locs[cnt] = rule->location;
1040 cnt++;
1041 }
1042
1043 mutex_unlock(&adapter->nfc_rule_lock);
1044
1045 cmd->rule_cnt = cnt;
1046
1047 return 0;
1048 }
1049
igc_ethtool_get_rxfh_fields(struct net_device * dev,struct ethtool_rxfh_fields * cmd)1050 static int igc_ethtool_get_rxfh_fields(struct net_device *dev,
1051 struct ethtool_rxfh_fields *cmd)
1052 {
1053 struct igc_adapter *adapter = netdev_priv(dev);
1054
1055 cmd->data = 0;
1056
1057 /* Report default options for RSS on igc */
1058 switch (cmd->flow_type) {
1059 case TCP_V4_FLOW:
1060 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1061 fallthrough;
1062 case UDP_V4_FLOW:
1063 if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV4_UDP)
1064 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1065 fallthrough;
1066 case SCTP_V4_FLOW:
1067 case AH_ESP_V4_FLOW:
1068 case AH_V4_FLOW:
1069 case ESP_V4_FLOW:
1070 case IPV4_FLOW:
1071 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1072 break;
1073 case TCP_V6_FLOW:
1074 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1075 fallthrough;
1076 case UDP_V6_FLOW:
1077 if (adapter->flags & IGC_FLAG_RSS_FIELD_IPV6_UDP)
1078 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1079 fallthrough;
1080 case SCTP_V6_FLOW:
1081 case AH_ESP_V6_FLOW:
1082 case AH_V6_FLOW:
1083 case ESP_V6_FLOW:
1084 case IPV6_FLOW:
1085 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1086 break;
1087 default:
1088 return -EINVAL;
1089 }
1090
1091 return 0;
1092 }
1093
igc_ethtool_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1094 static int igc_ethtool_get_rxnfc(struct net_device *dev,
1095 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1096 {
1097 struct igc_adapter *adapter = netdev_priv(dev);
1098
1099 switch (cmd->cmd) {
1100 case ETHTOOL_GRXRINGS:
1101 cmd->data = adapter->num_rx_queues;
1102 return 0;
1103 case ETHTOOL_GRXCLSRLCNT:
1104 cmd->rule_cnt = adapter->nfc_rule_count;
1105 return 0;
1106 case ETHTOOL_GRXCLSRULE:
1107 return igc_ethtool_get_nfc_rule(adapter, cmd);
1108 case ETHTOOL_GRXCLSRLALL:
1109 return igc_ethtool_get_nfc_rules(adapter, cmd, rule_locs);
1110 default:
1111 return -EOPNOTSUPP;
1112 }
1113 }
1114
1115 #define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \
1116 IGC_FLAG_RSS_FIELD_IPV6_UDP)
igc_ethtool_set_rxfh_fields(struct net_device * dev,const struct ethtool_rxfh_fields * nfc,struct netlink_ext_ack * extack)1117 static int igc_ethtool_set_rxfh_fields(struct net_device *dev,
1118 const struct ethtool_rxfh_fields *nfc,
1119 struct netlink_ext_ack *extack)
1120 {
1121 struct igc_adapter *adapter = netdev_priv(dev);
1122 u32 flags = adapter->flags;
1123
1124 /* RSS does not support anything other than hashing
1125 * to queues on src and dst IPs and ports
1126 */
1127 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
1128 RXH_L4_B_0_1 | RXH_L4_B_2_3))
1129 return -EINVAL;
1130
1131 switch (nfc->flow_type) {
1132 case TCP_V4_FLOW:
1133 case TCP_V6_FLOW:
1134 if (!(nfc->data & RXH_IP_SRC) ||
1135 !(nfc->data & RXH_IP_DST) ||
1136 !(nfc->data & RXH_L4_B_0_1) ||
1137 !(nfc->data & RXH_L4_B_2_3))
1138 return -EINVAL;
1139 break;
1140 case UDP_V4_FLOW:
1141 if (!(nfc->data & RXH_IP_SRC) ||
1142 !(nfc->data & RXH_IP_DST))
1143 return -EINVAL;
1144 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1145 case 0:
1146 flags &= ~IGC_FLAG_RSS_FIELD_IPV4_UDP;
1147 break;
1148 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1149 flags |= IGC_FLAG_RSS_FIELD_IPV4_UDP;
1150 break;
1151 default:
1152 return -EINVAL;
1153 }
1154 break;
1155 case UDP_V6_FLOW:
1156 if (!(nfc->data & RXH_IP_SRC) ||
1157 !(nfc->data & RXH_IP_DST))
1158 return -EINVAL;
1159 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1160 case 0:
1161 flags &= ~IGC_FLAG_RSS_FIELD_IPV6_UDP;
1162 break;
1163 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
1164 flags |= IGC_FLAG_RSS_FIELD_IPV6_UDP;
1165 break;
1166 default:
1167 return -EINVAL;
1168 }
1169 break;
1170 case AH_ESP_V4_FLOW:
1171 case AH_V4_FLOW:
1172 case ESP_V4_FLOW:
1173 case SCTP_V4_FLOW:
1174 case AH_ESP_V6_FLOW:
1175 case AH_V6_FLOW:
1176 case ESP_V6_FLOW:
1177 case SCTP_V6_FLOW:
1178 if (!(nfc->data & RXH_IP_SRC) ||
1179 !(nfc->data & RXH_IP_DST) ||
1180 (nfc->data & RXH_L4_B_0_1) ||
1181 (nfc->data & RXH_L4_B_2_3))
1182 return -EINVAL;
1183 break;
1184 default:
1185 return -EINVAL;
1186 }
1187
1188 /* if we changed something we need to update flags */
1189 if (flags != adapter->flags) {
1190 struct igc_hw *hw = &adapter->hw;
1191 u32 mrqc = rd32(IGC_MRQC);
1192
1193 if ((flags & UDP_RSS_FLAGS) &&
1194 !(adapter->flags & UDP_RSS_FLAGS))
1195 netdev_err(adapter->netdev,
1196 "Enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
1197
1198 adapter->flags = flags;
1199
1200 /* Perform hash on these packet types */
1201 mrqc |= IGC_MRQC_RSS_FIELD_IPV4 |
1202 IGC_MRQC_RSS_FIELD_IPV4_TCP |
1203 IGC_MRQC_RSS_FIELD_IPV6 |
1204 IGC_MRQC_RSS_FIELD_IPV6_TCP;
1205
1206 mrqc &= ~(IGC_MRQC_RSS_FIELD_IPV4_UDP |
1207 IGC_MRQC_RSS_FIELD_IPV6_UDP);
1208
1209 if (flags & IGC_FLAG_RSS_FIELD_IPV4_UDP)
1210 mrqc |= IGC_MRQC_RSS_FIELD_IPV4_UDP;
1211
1212 if (flags & IGC_FLAG_RSS_FIELD_IPV6_UDP)
1213 mrqc |= IGC_MRQC_RSS_FIELD_IPV6_UDP;
1214
1215 wr32(IGC_MRQC, mrqc);
1216 }
1217
1218 return 0;
1219 }
1220
igc_ethtool_init_nfc_rule(struct igc_nfc_rule * rule,const struct ethtool_rx_flow_spec * fsp)1221 static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule,
1222 const struct ethtool_rx_flow_spec *fsp)
1223 {
1224 INIT_LIST_HEAD(&rule->list);
1225
1226 rule->action = fsp->ring_cookie;
1227 rule->location = fsp->location;
1228
1229 if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
1230 rule->filter.vlan_tci = ntohs(fsp->h_ext.vlan_tci);
1231 rule->filter.vlan_tci_mask = ntohs(fsp->m_ext.vlan_tci);
1232 rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI;
1233 }
1234
1235 if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
1236 rule->filter.etype = ntohs(fsp->h_u.ether_spec.h_proto);
1237 rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE;
1238 }
1239
1240 /* Both source and destination address filters only support the full
1241 * mask.
1242 */
1243 if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
1244 rule->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR;
1245 ether_addr_copy(rule->filter.src_addr,
1246 fsp->h_u.ether_spec.h_source);
1247 }
1248
1249 if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
1250 rule->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR;
1251 ether_addr_copy(rule->filter.dst_addr,
1252 fsp->h_u.ether_spec.h_dest);
1253 }
1254
1255 /* VLAN etype matching */
1256 if ((fsp->flow_type & FLOW_EXT) && fsp->h_ext.vlan_etype) {
1257 rule->filter.vlan_etype = ntohs(fsp->h_ext.vlan_etype);
1258 rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_ETYPE;
1259 }
1260
1261 /* Check for user defined data */
1262 if ((fsp->flow_type & FLOW_EXT) &&
1263 (fsp->h_ext.data[0] || fsp->h_ext.data[1])) {
1264 rule->filter.match_flags |= IGC_FILTER_FLAG_USER_DATA;
1265 memcpy(rule->filter.user_data, fsp->h_ext.data, sizeof(fsp->h_ext.data));
1266 memcpy(rule->filter.user_mask, fsp->m_ext.data, sizeof(fsp->m_ext.data));
1267 }
1268
1269 /* The i225/i226 has various different filters. Flex filters provide a
1270 * way to match up to the first 128 bytes of a packet. Use them for:
1271 * a) For specific user data
1272 * b) For VLAN EtherType
1273 * c) For full TCI match
1274 * d) Or in case multiple filter criteria are set
1275 *
1276 * Otherwise, use the simple MAC, VLAN PRIO or EtherType filters.
1277 */
1278 if ((rule->filter.match_flags & IGC_FILTER_FLAG_USER_DATA) ||
1279 (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_ETYPE) ||
1280 ((rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) &&
1281 rule->filter.vlan_tci_mask == ntohs(VLAN_TCI_FULL_MASK)) ||
1282 (rule->filter.match_flags & (rule->filter.match_flags - 1)))
1283 rule->flex = true;
1284 else
1285 rule->flex = false;
1286
1287 /* The wildcard rule is only applied if:
1288 * a) None of the other filtering rules match (match_flags is zero)
1289 * b) The flow type is ETHER_FLOW only (no additional fields set)
1290 * c) Mask for Source MAC address is not specified (all zeros)
1291 * d) Mask for Destination MAC address is not specified (all zeros)
1292 * e) Mask for L2 EtherType is not specified (zero)
1293 *
1294 * If all these conditions are met, the rule is treated as a wildcard
1295 * rule. Default queue feature will be used, so that all packets that do
1296 * not match any other rule will be routed to the default queue.
1297 */
1298 if (!rule->filter.match_flags &&
1299 fsp->flow_type == ETHER_FLOW &&
1300 is_zero_ether_addr(fsp->m_u.ether_spec.h_source) &&
1301 is_zero_ether_addr(fsp->m_u.ether_spec.h_dest) &&
1302 !fsp->m_u.ether_spec.h_proto)
1303 rule->filter.match_flags = IGC_FILTER_FLAG_DEFAULT_QUEUE;
1304 }
1305
1306 /**
1307 * igc_ethtool_check_nfc_rule() - Check if NFC rule is valid
1308 * @adapter: Pointer to adapter
1309 * @rule: Rule under evaluation
1310 *
1311 * The driver doesn't support rules with multiple matches so if more than
1312 * one bit in filter flags is set, @rule is considered invalid.
1313 *
1314 * Also, if there is already another rule with the same filter in a different
1315 * location, @rule is considered invalid.
1316 *
1317 * Context: Expects adapter->nfc_rule_lock to be held by caller.
1318 *
1319 * Return: 0 in case of success, negative errno code otherwise.
1320 */
igc_ethtool_check_nfc_rule(struct igc_adapter * adapter,struct igc_nfc_rule * rule)1321 static int igc_ethtool_check_nfc_rule(struct igc_adapter *adapter,
1322 struct igc_nfc_rule *rule)
1323 {
1324 struct net_device *dev = adapter->netdev;
1325 u8 flags = rule->filter.match_flags;
1326 struct igc_nfc_rule *tmp;
1327
1328 if (!flags) {
1329 netdev_dbg(dev, "Rule with no match\n");
1330 return -EINVAL;
1331 }
1332
1333 list_for_each_entry(tmp, &adapter->nfc_rule_list, list) {
1334 if (!memcmp(&rule->filter, &tmp->filter,
1335 sizeof(rule->filter)) &&
1336 tmp->location != rule->location) {
1337 netdev_dbg(dev, "Rule already exists\n");
1338 return -EEXIST;
1339 }
1340 }
1341
1342 return 0;
1343 }
1344
igc_ethtool_add_nfc_rule(struct igc_adapter * adapter,struct ethtool_rxnfc * cmd)1345 static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter,
1346 struct ethtool_rxnfc *cmd)
1347 {
1348 struct net_device *netdev = adapter->netdev;
1349 struct ethtool_rx_flow_spec *fsp =
1350 (struct ethtool_rx_flow_spec *)&cmd->fs;
1351 struct igc_nfc_rule *rule, *old_rule;
1352 int err;
1353
1354 if (!(netdev->hw_features & NETIF_F_NTUPLE)) {
1355 netdev_dbg(netdev, "N-tuple filters disabled\n");
1356 return -EOPNOTSUPP;
1357 }
1358
1359 if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW) {
1360 netdev_dbg(netdev, "Only ethernet flow type is supported\n");
1361 return -EOPNOTSUPP;
1362 }
1363
1364 if (fsp->ring_cookie >= adapter->num_rx_queues) {
1365 netdev_dbg(netdev, "Invalid action\n");
1366 return -EINVAL;
1367 }
1368
1369 /* There are two ways to match the VLAN TCI:
1370 * 1. Match on PCP field and use vlan prio filter for it
1371 * 2. Match on complete TCI field and use flex filter for it
1372 */
1373 if ((fsp->flow_type & FLOW_EXT) &&
1374 fsp->m_ext.vlan_tci &&
1375 fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK) &&
1376 fsp->m_ext.vlan_tci != VLAN_TCI_FULL_MASK) {
1377 netdev_dbg(netdev, "VLAN mask not supported\n");
1378 return -EOPNOTSUPP;
1379 }
1380
1381 /* VLAN EtherType can only be matched by full mask. */
1382 if ((fsp->flow_type & FLOW_EXT) &&
1383 fsp->m_ext.vlan_etype &&
1384 fsp->m_ext.vlan_etype != ETHER_TYPE_FULL_MASK) {
1385 netdev_dbg(netdev, "VLAN EtherType mask not supported\n");
1386 return -EOPNOTSUPP;
1387 }
1388
1389 if (fsp->location >= IGC_MAX_RXNFC_RULES) {
1390 netdev_dbg(netdev, "Invalid location\n");
1391 return -EINVAL;
1392 }
1393
1394 rule = kzalloc(sizeof(*rule), GFP_KERNEL);
1395 if (!rule)
1396 return -ENOMEM;
1397
1398 igc_ethtool_init_nfc_rule(rule, fsp);
1399
1400 mutex_lock(&adapter->nfc_rule_lock);
1401
1402 err = igc_ethtool_check_nfc_rule(adapter, rule);
1403 if (err)
1404 goto err;
1405
1406 old_rule = igc_get_nfc_rule(adapter, fsp->location);
1407 if (old_rule)
1408 igc_del_nfc_rule(adapter, old_rule);
1409
1410 err = igc_add_nfc_rule(adapter, rule);
1411 if (err)
1412 goto err;
1413
1414 mutex_unlock(&adapter->nfc_rule_lock);
1415 return 0;
1416
1417 err:
1418 mutex_unlock(&adapter->nfc_rule_lock);
1419 kfree(rule);
1420 return err;
1421 }
1422
igc_ethtool_del_nfc_rule(struct igc_adapter * adapter,struct ethtool_rxnfc * cmd)1423 static int igc_ethtool_del_nfc_rule(struct igc_adapter *adapter,
1424 struct ethtool_rxnfc *cmd)
1425 {
1426 struct ethtool_rx_flow_spec *fsp =
1427 (struct ethtool_rx_flow_spec *)&cmd->fs;
1428 struct igc_nfc_rule *rule;
1429
1430 mutex_lock(&adapter->nfc_rule_lock);
1431
1432 rule = igc_get_nfc_rule(adapter, fsp->location);
1433 if (!rule) {
1434 mutex_unlock(&adapter->nfc_rule_lock);
1435 return -EINVAL;
1436 }
1437
1438 igc_del_nfc_rule(adapter, rule);
1439
1440 mutex_unlock(&adapter->nfc_rule_lock);
1441 return 0;
1442 }
1443
igc_ethtool_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd)1444 static int igc_ethtool_set_rxnfc(struct net_device *dev,
1445 struct ethtool_rxnfc *cmd)
1446 {
1447 struct igc_adapter *adapter = netdev_priv(dev);
1448
1449 switch (cmd->cmd) {
1450 case ETHTOOL_SRXCLSRLINS:
1451 return igc_ethtool_add_nfc_rule(adapter, cmd);
1452 case ETHTOOL_SRXCLSRLDEL:
1453 return igc_ethtool_del_nfc_rule(adapter, cmd);
1454 default:
1455 return -EOPNOTSUPP;
1456 }
1457 }
1458
igc_write_rss_indir_tbl(struct igc_adapter * adapter)1459 void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
1460 {
1461 struct igc_hw *hw = &adapter->hw;
1462 u32 reg = IGC_RETA(0);
1463 u32 shift = 0;
1464 int i = 0;
1465
1466 while (i < IGC_RETA_SIZE) {
1467 u32 val = 0;
1468 int j;
1469
1470 for (j = 3; j >= 0; j--) {
1471 val <<= 8;
1472 val |= adapter->rss_indir_tbl[i + j];
1473 }
1474
1475 wr32(reg, val << shift);
1476 reg += 4;
1477 i += 4;
1478 }
1479 }
1480
igc_ethtool_get_rxfh_indir_size(struct net_device * netdev)1481 static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev)
1482 {
1483 return IGC_RETA_SIZE;
1484 }
1485
igc_ethtool_get_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh)1486 static int igc_ethtool_get_rxfh(struct net_device *netdev,
1487 struct ethtool_rxfh_param *rxfh)
1488 {
1489 struct igc_adapter *adapter = netdev_priv(netdev);
1490 int i;
1491
1492 rxfh->hfunc = ETH_RSS_HASH_TOP;
1493 if (!rxfh->indir)
1494 return 0;
1495 for (i = 0; i < IGC_RETA_SIZE; i++)
1496 rxfh->indir[i] = adapter->rss_indir_tbl[i];
1497
1498 return 0;
1499 }
1500
igc_ethtool_set_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)1501 static int igc_ethtool_set_rxfh(struct net_device *netdev,
1502 struct ethtool_rxfh_param *rxfh,
1503 struct netlink_ext_ack *extack)
1504 {
1505 struct igc_adapter *adapter = netdev_priv(netdev);
1506 u32 num_queues;
1507 int i;
1508
1509 /* We do not allow change in unsupported parameters */
1510 if (rxfh->key ||
1511 (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1512 rxfh->hfunc != ETH_RSS_HASH_TOP))
1513 return -EOPNOTSUPP;
1514 if (!rxfh->indir)
1515 return 0;
1516
1517 num_queues = adapter->rss_queues;
1518
1519 /* Verify user input. */
1520 for (i = 0; i < IGC_RETA_SIZE; i++)
1521 if (rxfh->indir[i] >= num_queues)
1522 return -EINVAL;
1523
1524 for (i = 0; i < IGC_RETA_SIZE; i++)
1525 adapter->rss_indir_tbl[i] = rxfh->indir[i];
1526
1527 igc_write_rss_indir_tbl(adapter);
1528
1529 return 0;
1530 }
1531
igc_ethtool_get_channels(struct net_device * netdev,struct ethtool_channels * ch)1532 static void igc_ethtool_get_channels(struct net_device *netdev,
1533 struct ethtool_channels *ch)
1534 {
1535 struct igc_adapter *adapter = netdev_priv(netdev);
1536
1537 /* Report maximum channels */
1538 ch->max_combined = igc_get_max_rss_queues(adapter);
1539
1540 /* Report info for other vector */
1541 if (adapter->flags & IGC_FLAG_HAS_MSIX) {
1542 ch->max_other = NON_Q_VECTORS;
1543 ch->other_count = NON_Q_VECTORS;
1544 }
1545
1546 ch->combined_count = adapter->rss_queues;
1547 }
1548
igc_ethtool_set_channels(struct net_device * netdev,struct ethtool_channels * ch)1549 static int igc_ethtool_set_channels(struct net_device *netdev,
1550 struct ethtool_channels *ch)
1551 {
1552 struct igc_adapter *adapter = netdev_priv(netdev);
1553 unsigned int count = ch->combined_count;
1554 unsigned int max_combined = 0;
1555
1556 /* Verify they are not requesting separate vectors */
1557 if (!count || ch->rx_count || ch->tx_count)
1558 return -EINVAL;
1559
1560 /* Verify other_count is valid and has not been changed */
1561 if (ch->other_count != NON_Q_VECTORS)
1562 return -EINVAL;
1563
1564 /* Do not allow channel reconfiguration when mqprio is enabled */
1565 if (adapter->strict_priority_enable)
1566 return -EINVAL;
1567
1568 /* Verify the number of channels doesn't exceed hw limits */
1569 max_combined = igc_get_max_rss_queues(adapter);
1570 if (count > max_combined)
1571 return -EINVAL;
1572
1573 if (count != adapter->rss_queues) {
1574 adapter->rss_queues = count;
1575 igc_set_flag_queue_pairs(adapter, max_combined);
1576
1577 /* Hardware has to reinitialize queues and interrupts to
1578 * match the new configuration.
1579 */
1580 return igc_reinit_queues(adapter);
1581 }
1582
1583 return 0;
1584 }
1585
igc_ethtool_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)1586 static int igc_ethtool_get_ts_info(struct net_device *dev,
1587 struct kernel_ethtool_ts_info *info)
1588 {
1589 struct igc_adapter *adapter = netdev_priv(dev);
1590
1591 if (adapter->ptp_clock)
1592 info->phc_index = ptp_clock_index(adapter->ptp_clock);
1593
1594 switch (adapter->hw.mac.type) {
1595 case igc_i225:
1596 info->so_timestamping =
1597 SOF_TIMESTAMPING_TX_SOFTWARE |
1598 SOF_TIMESTAMPING_TX_HARDWARE |
1599 SOF_TIMESTAMPING_RX_HARDWARE |
1600 SOF_TIMESTAMPING_RAW_HARDWARE;
1601
1602 info->tx_types =
1603 BIT(HWTSTAMP_TX_OFF) |
1604 BIT(HWTSTAMP_TX_ON);
1605
1606 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
1607 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
1608
1609 return 0;
1610 default:
1611 return -EOPNOTSUPP;
1612 }
1613 }
1614
igc_ethtool_get_priv_flags(struct net_device * netdev)1615 static u32 igc_ethtool_get_priv_flags(struct net_device *netdev)
1616 {
1617 struct igc_adapter *adapter = netdev_priv(netdev);
1618 u32 priv_flags = 0;
1619
1620 if (adapter->flags & IGC_FLAG_RX_LEGACY)
1621 priv_flags |= IGC_PRIV_FLAGS_LEGACY_RX;
1622
1623 if (adapter->flags & IGC_FLAG_TSN_REVERSE_TXQ_PRIO)
1624 priv_flags |= IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO;
1625
1626 return priv_flags;
1627 }
1628
igc_ethtool_set_priv_flags(struct net_device * netdev,u32 priv_flags)1629 static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags)
1630 {
1631 struct igc_adapter *adapter = netdev_priv(netdev);
1632 unsigned int flags = adapter->flags;
1633
1634 flags &= ~(IGC_FLAG_RX_LEGACY | IGC_FLAG_TSN_REVERSE_TXQ_PRIO);
1635 if (priv_flags & IGC_PRIV_FLAGS_LEGACY_RX)
1636 flags |= IGC_FLAG_RX_LEGACY;
1637
1638 if (priv_flags & IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO)
1639 flags |= IGC_FLAG_TSN_REVERSE_TXQ_PRIO;
1640
1641 if (flags != adapter->flags) {
1642 adapter->flags = flags;
1643
1644 /* reset interface to repopulate queues */
1645 if (netif_running(netdev))
1646 igc_reinit_locked(adapter);
1647 }
1648
1649 return 0;
1650 }
1651
igc_ethtool_get_eee(struct net_device * netdev,struct ethtool_keee * edata)1652 static int igc_ethtool_get_eee(struct net_device *netdev,
1653 struct ethtool_keee *edata)
1654 {
1655 struct igc_adapter *adapter = netdev_priv(netdev);
1656 struct igc_hw *hw = &adapter->hw;
1657 struct igc_phy_info *phy = &hw->phy;
1658 u16 eee_advert, eee_lp_advert;
1659 u32 eeer, ret_val;
1660
1661 /* EEE supported */
1662 linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
1663 edata->supported);
1664 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1665 edata->supported);
1666 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
1667 edata->supported);
1668
1669 /* EEE Advertisement 1 - reg 7.60 */
1670 ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK <<
1671 MMD_DEVADDR_SHIFT) |
1672 IGC_ANEG_EEE_AB1,
1673 &eee_advert);
1674 if (ret_val) {
1675 netdev_err(adapter->netdev,
1676 "Failed to read IEEE 7.60 register\n");
1677 return -EINVAL;
1678 }
1679
1680 if (eee_advert & IGC_EEE_1000BT_MASK)
1681 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1682 edata->advertised);
1683
1684 if (eee_advert & IGC_EEE_100BT_MASK)
1685 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
1686 edata->advertised);
1687
1688 /* EEE Advertisement 2 - reg 7.62 */
1689 ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK <<
1690 MMD_DEVADDR_SHIFT) |
1691 IGC_ANEG_EEE_AB2,
1692 &eee_advert);
1693 if (ret_val) {
1694 netdev_err(adapter->netdev,
1695 "Failed to read IEEE 7.62 register\n");
1696 return -EINVAL;
1697 }
1698
1699 if (eee_advert & IGC_EEE_2500BT_MASK)
1700 linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
1701 edata->advertised);
1702
1703 /* EEE Link-Partner Ability 1 - reg 7.61 */
1704 ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK <<
1705 MMD_DEVADDR_SHIFT) |
1706 IGC_ANEG_EEE_LP_AB1,
1707 &eee_lp_advert);
1708 if (ret_val) {
1709 netdev_err(adapter->netdev,
1710 "Failed to read IEEE 7.61 register\n");
1711 return -EINVAL;
1712 }
1713
1714 if (eee_lp_advert & IGC_LP_EEE_1000BT_MASK)
1715 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
1716 edata->lp_advertised);
1717
1718 if (eee_lp_advert & IGC_LP_EEE_100BT_MASK)
1719 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT,
1720 edata->lp_advertised);
1721
1722 /* EEE Link-Partner Ability 2 - reg 7.63 */
1723 ret_val = phy->ops.read_reg(hw, (STANDARD_AN_REG_MASK <<
1724 MMD_DEVADDR_SHIFT) |
1725 IGC_ANEG_EEE_LP_AB2,
1726 &eee_lp_advert);
1727 if (ret_val) {
1728 netdev_err(adapter->netdev,
1729 "Failed to read IEEE 7.63 register\n");
1730 return -EINVAL;
1731 }
1732
1733 if (eee_lp_advert & IGC_LP_EEE_2500BT_MASK)
1734 linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT,
1735 edata->lp_advertised);
1736
1737 eeer = rd32(IGC_EEER);
1738
1739 /* EEE status on negotiated link */
1740 if (eeer & IGC_EEER_EEE_NEG)
1741 edata->eee_active = true;
1742
1743 if (eeer & IGC_EEER_TX_LPI_EN)
1744 edata->tx_lpi_enabled = true;
1745
1746 edata->eee_enabled = hw->dev_spec._base.eee_enable;
1747
1748 /* Report correct negotiated EEE status for devices that
1749 * wrongly report EEE at half-duplex
1750 */
1751 if (adapter->link_duplex == HALF_DUPLEX) {
1752 edata->eee_enabled = false;
1753 edata->eee_active = false;
1754 edata->tx_lpi_enabled = false;
1755 linkmode_zero(edata->advertised);
1756 }
1757
1758 return 0;
1759 }
1760
igc_ethtool_set_eee(struct net_device * netdev,struct ethtool_keee * edata)1761 static int igc_ethtool_set_eee(struct net_device *netdev,
1762 struct ethtool_keee *edata)
1763 {
1764 struct igc_adapter *adapter = netdev_priv(netdev);
1765 struct igc_hw *hw = &adapter->hw;
1766 struct ethtool_keee eee_curr;
1767 s32 ret_val;
1768
1769 memset(&eee_curr, 0, sizeof(struct ethtool_keee));
1770
1771 ret_val = igc_ethtool_get_eee(netdev, &eee_curr);
1772 if (ret_val) {
1773 netdev_err(netdev,
1774 "Problem setting EEE advertisement options\n");
1775 return -EINVAL;
1776 }
1777
1778 if (eee_curr.eee_enabled) {
1779 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
1780 netdev_err(netdev,
1781 "Setting EEE tx-lpi is not supported\n");
1782 return -EINVAL;
1783 }
1784
1785 /* Tx LPI timer is not implemented currently */
1786 if (edata->tx_lpi_timer) {
1787 netdev_err(netdev,
1788 "Setting EEE Tx LPI timer is not supported\n");
1789 return -EINVAL;
1790 }
1791 } else if (!edata->eee_enabled) {
1792 netdev_err(netdev,
1793 "Setting EEE options are not supported with EEE disabled\n");
1794 return -EINVAL;
1795 }
1796
1797 if (hw->dev_spec._base.eee_enable != edata->eee_enabled) {
1798 hw->dev_spec._base.eee_enable = edata->eee_enabled;
1799 adapter->flags |= IGC_FLAG_EEE;
1800
1801 /* reset link */
1802 if (netif_running(netdev))
1803 igc_reinit_locked(adapter);
1804 else
1805 igc_reset(adapter);
1806 }
1807
1808 return 0;
1809 }
1810
igc_ethtool_get_mm(struct net_device * netdev,struct ethtool_mm_state * cmd)1811 static int igc_ethtool_get_mm(struct net_device *netdev,
1812 struct ethtool_mm_state *cmd)
1813 {
1814 struct igc_adapter *adapter = netdev_priv(netdev);
1815 struct igc_fpe_t *fpe = &adapter->fpe;
1816
1817 ethtool_mmsv_get_mm(&fpe->mmsv, cmd);
1818 cmd->tx_min_frag_size = fpe->tx_min_frag_size;
1819 cmd->rx_min_frag_size = IGC_RX_MIN_FRAG_SIZE;
1820
1821 return 0;
1822 }
1823
igc_ethtool_set_mm(struct net_device * netdev,struct ethtool_mm_cfg * cmd,struct netlink_ext_ack * extack)1824 static int igc_ethtool_set_mm(struct net_device *netdev,
1825 struct ethtool_mm_cfg *cmd,
1826 struct netlink_ext_ack *extack)
1827 {
1828 struct igc_adapter *adapter = netdev_priv(netdev);
1829 struct igc_fpe_t *fpe = &adapter->fpe;
1830
1831 fpe->tx_min_frag_size = igc_fpe_get_supported_frag_size(cmd->tx_min_frag_size);
1832 if (fpe->tx_min_frag_size != cmd->tx_min_frag_size)
1833 NL_SET_ERR_MSG_MOD(extack,
1834 "tx-min-frag-size value set is unsupported. Rounded up to supported value (64, 128, 192, 256)");
1835
1836 if (fpe->mmsv.pmac_enabled != cmd->pmac_enabled) {
1837 if (cmd->pmac_enabled)
1838 static_branch_inc(&igc_fpe_enabled);
1839 else
1840 static_branch_dec(&igc_fpe_enabled);
1841 }
1842
1843 ethtool_mmsv_set_mm(&fpe->mmsv, cmd);
1844
1845 return igc_tsn_offload_apply(adapter);
1846 }
1847
1848 /**
1849 * igc_ethtool_get_frame_ass_error - Get the frame assembly error count.
1850 * @reg_value: Register value for IGC_PRMEXCPRCNT
1851 * Return: The count of frame assembly errors.
1852 */
igc_ethtool_get_frame_ass_error(u32 reg_value)1853 static u64 igc_ethtool_get_frame_ass_error(u32 reg_value)
1854 {
1855 /* Out of order statistics */
1856 u32 ooo_frame_cnt, ooo_frag_cnt;
1857 u32 miss_frame_frag_cnt;
1858
1859 ooo_frame_cnt = FIELD_GET(IGC_PRMEXCPRCNT_OOO_FRAME_CNT, reg_value);
1860 ooo_frag_cnt = FIELD_GET(IGC_PRMEXCPRCNT_OOO_FRAG_CNT, reg_value);
1861 miss_frame_frag_cnt = FIELD_GET(IGC_PRMEXCPRCNT_MISS_FRAME_FRAG_CNT,
1862 reg_value);
1863
1864 return ooo_frame_cnt + ooo_frag_cnt + miss_frame_frag_cnt;
1865 }
1866
igc_ethtool_get_frame_smd_error(u32 reg_value)1867 static u64 igc_ethtool_get_frame_smd_error(u32 reg_value)
1868 {
1869 return FIELD_GET(IGC_PRMEXCPRCNT_OOO_SMDC, reg_value);
1870 }
1871
igc_ethtool_get_mm_stats(struct net_device * dev,struct ethtool_mm_stats * stats)1872 static void igc_ethtool_get_mm_stats(struct net_device *dev,
1873 struct ethtool_mm_stats *stats)
1874 {
1875 struct igc_adapter *adapter = netdev_priv(dev);
1876 struct igc_hw *hw = &adapter->hw;
1877 u32 reg_value;
1878
1879 reg_value = rd32(IGC_PRMEXCPRCNT);
1880
1881 stats->MACMergeFrameAssErrorCount = igc_ethtool_get_frame_ass_error(reg_value);
1882 stats->MACMergeFrameSmdErrorCount = igc_ethtool_get_frame_smd_error(reg_value);
1883 stats->MACMergeFrameAssOkCount = rd32(IGC_PRMPTDRCNT);
1884 stats->MACMergeFragCountRx = rd32(IGC_PRMEVNTRCNT);
1885 stats->MACMergeFragCountTx = rd32(IGC_PRMEVNTTCNT);
1886 }
1887
igc_ethtool_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)1888 static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
1889 struct ethtool_link_ksettings *cmd)
1890 {
1891 struct igc_adapter *adapter = netdev_priv(netdev);
1892 struct igc_hw *hw = &adapter->hw;
1893 u32 status;
1894 u32 speed;
1895
1896 ethtool_link_ksettings_zero_link_mode(cmd, supported);
1897 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
1898
1899 /* supported link modes */
1900 ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Half);
1901 ethtool_link_ksettings_add_link_mode(cmd, supported, 10baseT_Full);
1902 ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Half);
1903 ethtool_link_ksettings_add_link_mode(cmd, supported, 100baseT_Full);
1904 ethtool_link_ksettings_add_link_mode(cmd, supported, 1000baseT_Full);
1905 ethtool_link_ksettings_add_link_mode(cmd, supported, 2500baseT_Full);
1906
1907 /* twisted pair */
1908 cmd->base.port = PORT_TP;
1909 cmd->base.phy_address = hw->phy.addr;
1910 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
1911 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
1912
1913 /* advertising link modes */
1914 if (hw->phy.autoneg_advertised & ADVERTISE_10_HALF)
1915 ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Half);
1916 if (hw->phy.autoneg_advertised & ADVERTISE_10_FULL)
1917 ethtool_link_ksettings_add_link_mode(cmd, advertising, 10baseT_Full);
1918 if (hw->phy.autoneg_advertised & ADVERTISE_100_HALF)
1919 ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Half);
1920 if (hw->phy.autoneg_advertised & ADVERTISE_100_FULL)
1921 ethtool_link_ksettings_add_link_mode(cmd, advertising, 100baseT_Full);
1922 if (hw->phy.autoneg_advertised & ADVERTISE_1000_FULL)
1923 ethtool_link_ksettings_add_link_mode(cmd, advertising, 1000baseT_Full);
1924 if (hw->phy.autoneg_advertised & ADVERTISE_2500_FULL)
1925 ethtool_link_ksettings_add_link_mode(cmd, advertising, 2500baseT_Full);
1926
1927 /* set autoneg settings */
1928 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
1929 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
1930
1931 /* Set pause flow control settings */
1932 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
1933
1934 switch (hw->fc.requested_mode) {
1935 case igc_fc_full:
1936 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
1937 break;
1938 case igc_fc_rx_pause:
1939 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
1940 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1941 Asym_Pause);
1942 break;
1943 case igc_fc_tx_pause:
1944 ethtool_link_ksettings_add_link_mode(cmd, advertising,
1945 Asym_Pause);
1946 break;
1947 default:
1948 break;
1949 }
1950
1951 status = pm_runtime_suspended(&adapter->pdev->dev) ?
1952 0 : rd32(IGC_STATUS);
1953
1954 if (status & IGC_STATUS_LU) {
1955 if (status & IGC_STATUS_SPEED_1000) {
1956 /* For I225, STATUS will indicate 1G speed in both
1957 * 1 Gbps and 2.5 Gbps link modes.
1958 * An additional bit is used
1959 * to differentiate between 1 Gbps and 2.5 Gbps.
1960 */
1961 if (hw->mac.type == igc_i225 &&
1962 (status & IGC_STATUS_SPEED_2500)) {
1963 speed = SPEED_2500;
1964 } else {
1965 speed = SPEED_1000;
1966 }
1967 } else if (status & IGC_STATUS_SPEED_100) {
1968 speed = SPEED_100;
1969 } else {
1970 speed = SPEED_10;
1971 }
1972 if ((status & IGC_STATUS_FD) ||
1973 hw->phy.media_type != igc_media_type_copper)
1974 cmd->base.duplex = DUPLEX_FULL;
1975 else
1976 cmd->base.duplex = DUPLEX_HALF;
1977 } else {
1978 speed = SPEED_UNKNOWN;
1979 cmd->base.duplex = DUPLEX_UNKNOWN;
1980 }
1981 cmd->base.speed = speed;
1982 cmd->base.autoneg = AUTONEG_ENABLE;
1983
1984 /* MDI-X => 2; MDI =>1; Invalid =>0 */
1985 if (hw->phy.media_type == igc_media_type_copper)
1986 cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
1987 ETH_TP_MDI;
1988 else
1989 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
1990
1991 if (hw->phy.mdix == AUTO_ALL_MODES)
1992 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
1993 else
1994 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
1995
1996 return 0;
1997 }
1998
1999 static int
igc_ethtool_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * cmd)2000 igc_ethtool_set_link_ksettings(struct net_device *netdev,
2001 const struct ethtool_link_ksettings *cmd)
2002 {
2003 struct igc_adapter *adapter = netdev_priv(netdev);
2004 struct net_device *dev = adapter->netdev;
2005 struct igc_hw *hw = &adapter->hw;
2006 u16 advertised = 0;
2007
2008 /* When adapter in resetting mode, autoneg/speed/duplex
2009 * cannot be changed
2010 */
2011 if (igc_check_reset_block(hw)) {
2012 netdev_err(dev, "Cannot change link characteristics when reset is active\n");
2013 return -EINVAL;
2014 }
2015
2016 /* MDI setting is only allowed when autoneg enabled because
2017 * some hardware doesn't allow MDI setting when speed or
2018 * duplex is forced.
2019 */
2020 if (cmd->base.eth_tp_mdix_ctrl) {
2021 if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO &&
2022 cmd->base.autoneg != AUTONEG_ENABLE) {
2023 netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
2024 return -EINVAL;
2025 }
2026 }
2027
2028 while (test_and_set_bit(__IGC_RESETTING, &adapter->state))
2029 usleep_range(1000, 2000);
2030
2031 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2032 2500baseT_Full))
2033 advertised |= ADVERTISE_2500_FULL;
2034
2035 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2036 1000baseT_Full))
2037 advertised |= ADVERTISE_1000_FULL;
2038
2039 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2040 100baseT_Full))
2041 advertised |= ADVERTISE_100_FULL;
2042
2043 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2044 100baseT_Half))
2045 advertised |= ADVERTISE_100_HALF;
2046
2047 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2048 10baseT_Full))
2049 advertised |= ADVERTISE_10_FULL;
2050
2051 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
2052 10baseT_Half))
2053 advertised |= ADVERTISE_10_HALF;
2054
2055 if (cmd->base.autoneg == AUTONEG_ENABLE) {
2056 hw->phy.autoneg_advertised = advertised;
2057 if (adapter->fc_autoneg)
2058 hw->fc.requested_mode = igc_fc_default;
2059 } else {
2060 netdev_info(dev, "Force mode currently not supported\n");
2061 }
2062
2063 /* MDI-X => 2; MDI => 1; Auto => 3 */
2064 if (cmd->base.eth_tp_mdix_ctrl) {
2065 /* fix up the value for auto (3 => 0) as zero is mapped
2066 * internally to auto
2067 */
2068 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
2069 hw->phy.mdix = AUTO_ALL_MODES;
2070 else
2071 hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
2072 }
2073
2074 /* reset the link */
2075 if (netif_running(adapter->netdev)) {
2076 igc_down(adapter);
2077 igc_up(adapter);
2078 } else {
2079 igc_reset(adapter);
2080 }
2081
2082 clear_bit(__IGC_RESETTING, &adapter->state);
2083
2084 return 0;
2085 }
2086
igc_ethtool_diag_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)2087 static void igc_ethtool_diag_test(struct net_device *netdev,
2088 struct ethtool_test *eth_test, u64 *data)
2089 {
2090 struct igc_adapter *adapter = netdev_priv(netdev);
2091 bool if_running = netif_running(netdev);
2092
2093 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2094 netdev_info(adapter->netdev, "Offline testing starting");
2095 set_bit(__IGC_TESTING, &adapter->state);
2096
2097 /* Link test performed before hardware reset so autoneg doesn't
2098 * interfere with test result
2099 */
2100 if (!igc_link_test(adapter, &data[TEST_LINK]))
2101 eth_test->flags |= ETH_TEST_FL_FAILED;
2102
2103 if (if_running)
2104 igc_close(netdev);
2105 else
2106 igc_reset(adapter);
2107
2108 netdev_info(adapter->netdev, "Register testing starting");
2109 if (!igc_reg_test(adapter, &data[TEST_REG]))
2110 eth_test->flags |= ETH_TEST_FL_FAILED;
2111
2112 igc_reset(adapter);
2113
2114 netdev_info(adapter->netdev, "EEPROM testing starting");
2115 if (!igc_eeprom_test(adapter, &data[TEST_EEP]))
2116 eth_test->flags |= ETH_TEST_FL_FAILED;
2117
2118 igc_reset(adapter);
2119
2120 /* loopback and interrupt tests
2121 * will be implemented in the future
2122 */
2123 data[TEST_LOOP] = 0;
2124 data[TEST_IRQ] = 0;
2125
2126 clear_bit(__IGC_TESTING, &adapter->state);
2127 if (if_running)
2128 igc_open(netdev);
2129 } else {
2130 netdev_info(adapter->netdev, "Online testing starting");
2131
2132 /* register, eeprom, intr and loopback tests not run online */
2133 data[TEST_REG] = 0;
2134 data[TEST_EEP] = 0;
2135 data[TEST_IRQ] = 0;
2136 data[TEST_LOOP] = 0;
2137
2138 if (!igc_link_test(adapter, &data[TEST_LINK]))
2139 eth_test->flags |= ETH_TEST_FL_FAILED;
2140 }
2141
2142 msleep_interruptible(4 * 1000);
2143 }
2144
2145 static const struct ethtool_ops igc_ethtool_ops = {
2146 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
2147 .get_drvinfo = igc_ethtool_get_drvinfo,
2148 .get_regs_len = igc_ethtool_get_regs_len,
2149 .get_regs = igc_ethtool_get_regs,
2150 .get_wol = igc_ethtool_get_wol,
2151 .set_wol = igc_ethtool_set_wol,
2152 .get_msglevel = igc_ethtool_get_msglevel,
2153 .set_msglevel = igc_ethtool_set_msglevel,
2154 .nway_reset = igc_ethtool_nway_reset,
2155 .get_link = igc_ethtool_get_link,
2156 .get_eeprom_len = igc_ethtool_get_eeprom_len,
2157 .get_eeprom = igc_ethtool_get_eeprom,
2158 .set_eeprom = igc_ethtool_set_eeprom,
2159 .get_ringparam = igc_ethtool_get_ringparam,
2160 .set_ringparam = igc_ethtool_set_ringparam,
2161 .get_pauseparam = igc_ethtool_get_pauseparam,
2162 .set_pauseparam = igc_ethtool_set_pauseparam,
2163 .get_strings = igc_ethtool_get_strings,
2164 .get_sset_count = igc_ethtool_get_sset_count,
2165 .get_ethtool_stats = igc_ethtool_get_stats,
2166 .get_coalesce = igc_ethtool_get_coalesce,
2167 .set_coalesce = igc_ethtool_set_coalesce,
2168 .get_rxnfc = igc_ethtool_get_rxnfc,
2169 .set_rxnfc = igc_ethtool_set_rxnfc,
2170 .get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size,
2171 .get_rxfh = igc_ethtool_get_rxfh,
2172 .set_rxfh = igc_ethtool_set_rxfh,
2173 .get_rxfh_fields = igc_ethtool_get_rxfh_fields,
2174 .set_rxfh_fields = igc_ethtool_set_rxfh_fields,
2175 .get_ts_info = igc_ethtool_get_ts_info,
2176 .get_channels = igc_ethtool_get_channels,
2177 .set_channels = igc_ethtool_set_channels,
2178 .get_priv_flags = igc_ethtool_get_priv_flags,
2179 .set_priv_flags = igc_ethtool_set_priv_flags,
2180 .get_eee = igc_ethtool_get_eee,
2181 .set_eee = igc_ethtool_set_eee,
2182 .get_link_ksettings = igc_ethtool_get_link_ksettings,
2183 .set_link_ksettings = igc_ethtool_set_link_ksettings,
2184 .self_test = igc_ethtool_diag_test,
2185 .get_mm = igc_ethtool_get_mm,
2186 .get_mm_stats = igc_ethtool_get_mm_stats,
2187 .set_mm = igc_ethtool_set_mm,
2188 };
2189
igc_ethtool_set_ops(struct net_device * netdev)2190 void igc_ethtool_set_ops(struct net_device *netdev)
2191 {
2192 netdev->ethtool_ops = &igc_ethtool_ops;
2193 }
2194