1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2024 Intel Corporation. */
3
4 /* ethtool support for ixgbe */
5
6 #include <linux/interrupt.h>
7 #include <linux/types.h>
8 #include <linux/module.h>
9 #include <linux/slab.h>
10 #include <linux/pci.h>
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 #include <linux/vmalloc.h>
14 #include <linux/highmem.h>
15 #include <linux/uaccess.h>
16
17 #include "ixgbe.h"
18 #include "ixgbe_phy.h"
19
20
21 enum {NETDEV_STATS, IXGBE_STATS};
22
23 struct ixgbe_stats {
24 char stat_string[ETH_GSTRING_LEN];
25 int type;
26 int sizeof_stat;
27 int stat_offset;
28 };
29
30 #define IXGBE_STAT(m) IXGBE_STATS, \
31 sizeof(((struct ixgbe_adapter *)0)->m), \
32 offsetof(struct ixgbe_adapter, m)
33 #define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
34 sizeof(((struct rtnl_link_stats64 *)0)->m), \
35 offsetof(struct rtnl_link_stats64, m)
36
37 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
38 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
39 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
40 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
41 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
42 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
43 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
44 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
45 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
46 {"lsc_int", IXGBE_STAT(lsc_int)},
47 {"tx_busy", IXGBE_STAT(tx_busy)},
48 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
49 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
50 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
51 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
52 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
53 {"multicast", IXGBE_NETDEV_STAT(multicast)},
54 {"broadcast", IXGBE_STAT(stats.bprc)},
55 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
56 {"collisions", IXGBE_NETDEV_STAT(collisions)},
57 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
58 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
59 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
60 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
61 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
62 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
63 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
64 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
65 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
66 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
67 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
68 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
69 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
70 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
71 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
72 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
73 {"rx_length_errors", IXGBE_STAT(stats.rlec)},
74 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
75 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
76 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
77 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
78 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
79 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
80 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
81 {"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
82 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
83 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
84 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
85 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
86 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
87 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
88 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
89 {"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
90 {"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
91 {"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
92 {"tx_ipsec", IXGBE_STAT(tx_ipsec)},
93 {"rx_ipsec", IXGBE_STAT(rx_ipsec)},
94 #ifdef IXGBE_FCOE
95 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
96 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
97 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
98 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
99 {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
100 {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
101 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
102 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
103 #endif /* IXGBE_FCOE */
104 };
105
106 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
107 * we set the num_rx_queues to evaluate to num_tx_queues. This is
108 * used because we do not have a good way to get the max number of
109 * rx queues with CONFIG_RPS disabled.
110 */
111 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
112
113 #define IXGBE_QUEUE_STATS_LEN ( \
114 (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
115 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
116 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
117 #define IXGBE_PB_STATS_LEN ( \
118 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
119 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
120 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
121 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
122 / sizeof(u64))
123 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
124 IXGBE_PB_STATS_LEN + \
125 IXGBE_QUEUE_STATS_LEN)
126
127 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
128 "Register test (offline)", "Eeprom test (offline)",
129 "Interrupt test (offline)", "Loopback test (offline)",
130 "Link test (on/offline)"
131 };
132 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
133
134 static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
135 #define IXGBE_PRIV_FLAGS_LEGACY_RX BIT(0)
136 "legacy-rx",
137 #define IXGBE_PRIV_FLAGS_VF_IPSEC_EN BIT(1)
138 "vf-ipsec",
139 #define IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF BIT(2)
140 "mdd-disable-vf",
141 };
142
143 #define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)
144
145 #define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
146
ixgbe_set_supported_10gtypes(struct ixgbe_hw * hw,struct ethtool_link_ksettings * cmd)147 static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
148 struct ethtool_link_ksettings *cmd)
149 {
150 if (!ixgbe_isbackplane(hw->phy.media_type)) {
151 ethtool_link_ksettings_add_link_mode(cmd, supported,
152 10000baseT_Full);
153 return;
154 }
155
156 switch (hw->device_id) {
157 case IXGBE_DEV_ID_82598:
158 case IXGBE_DEV_ID_82599_KX4:
159 case IXGBE_DEV_ID_82599_KX4_MEZZ:
160 case IXGBE_DEV_ID_X550EM_X_KX4:
161 ethtool_link_ksettings_add_link_mode
162 (cmd, supported, 10000baseKX4_Full);
163 break;
164 case IXGBE_DEV_ID_82598_BX:
165 case IXGBE_DEV_ID_82599_KR:
166 case IXGBE_DEV_ID_X550EM_X_KR:
167 case IXGBE_DEV_ID_X550EM_X_XFI:
168 ethtool_link_ksettings_add_link_mode
169 (cmd, supported, 10000baseKR_Full);
170 break;
171 default:
172 ethtool_link_ksettings_add_link_mode
173 (cmd, supported, 10000baseKX4_Full);
174 ethtool_link_ksettings_add_link_mode
175 (cmd, supported, 10000baseKR_Full);
176 break;
177 }
178 }
179
ixgbe_set_advertising_10gtypes(struct ixgbe_hw * hw,struct ethtool_link_ksettings * cmd)180 static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
181 struct ethtool_link_ksettings *cmd)
182 {
183 if (!ixgbe_isbackplane(hw->phy.media_type)) {
184 ethtool_link_ksettings_add_link_mode(cmd, advertising,
185 10000baseT_Full);
186 return;
187 }
188
189 switch (hw->device_id) {
190 case IXGBE_DEV_ID_82598:
191 case IXGBE_DEV_ID_82599_KX4:
192 case IXGBE_DEV_ID_82599_KX4_MEZZ:
193 case IXGBE_DEV_ID_X550EM_X_KX4:
194 ethtool_link_ksettings_add_link_mode
195 (cmd, advertising, 10000baseKX4_Full);
196 break;
197 case IXGBE_DEV_ID_82598_BX:
198 case IXGBE_DEV_ID_82599_KR:
199 case IXGBE_DEV_ID_X550EM_X_KR:
200 case IXGBE_DEV_ID_X550EM_X_XFI:
201 ethtool_link_ksettings_add_link_mode
202 (cmd, advertising, 10000baseKR_Full);
203 break;
204 default:
205 ethtool_link_ksettings_add_link_mode
206 (cmd, advertising, 10000baseKX4_Full);
207 ethtool_link_ksettings_add_link_mode
208 (cmd, advertising, 10000baseKR_Full);
209 break;
210 }
211 }
212
ixgbe_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)213 static int ixgbe_get_link_ksettings(struct net_device *netdev,
214 struct ethtool_link_ksettings *cmd)
215 {
216 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
217 struct ixgbe_hw *hw = &adapter->hw;
218 ixgbe_link_speed supported_link;
219 bool autoneg = false;
220
221 ethtool_link_ksettings_zero_link_mode(cmd, supported);
222 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
223
224 hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
225
226 /* set the supported link speeds */
227 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
228 ixgbe_set_supported_10gtypes(hw, cmd);
229 ixgbe_set_advertising_10gtypes(hw, cmd);
230 }
231 if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
232 ethtool_link_ksettings_add_link_mode(cmd, supported,
233 5000baseT_Full);
234
235 if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
236 ethtool_link_ksettings_add_link_mode(cmd, supported,
237 2500baseT_Full);
238
239 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
240 if (ixgbe_isbackplane(hw->phy.media_type)) {
241 ethtool_link_ksettings_add_link_mode(cmd, supported,
242 1000baseKX_Full);
243 ethtool_link_ksettings_add_link_mode(cmd, advertising,
244 1000baseKX_Full);
245 } else {
246 ethtool_link_ksettings_add_link_mode(cmd, supported,
247 1000baseT_Full);
248 ethtool_link_ksettings_add_link_mode(cmd, advertising,
249 1000baseT_Full);
250 }
251 }
252 if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
253 ethtool_link_ksettings_add_link_mode(cmd, supported,
254 100baseT_Full);
255 ethtool_link_ksettings_add_link_mode(cmd, advertising,
256 100baseT_Full);
257 }
258 if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
259 ethtool_link_ksettings_add_link_mode(cmd, supported,
260 10baseT_Full);
261 ethtool_link_ksettings_add_link_mode(cmd, advertising,
262 10baseT_Full);
263 }
264
265 /* set the advertised speeds */
266 if (hw->phy.autoneg_advertised) {
267 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
268 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
269 ethtool_link_ksettings_add_link_mode(cmd, advertising,
270 10baseT_Full);
271 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
272 ethtool_link_ksettings_add_link_mode(cmd, advertising,
273 100baseT_Full);
274 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
275 ixgbe_set_advertising_10gtypes(hw, cmd);
276 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
277 if (ethtool_link_ksettings_test_link_mode
278 (cmd, supported, 1000baseKX_Full))
279 ethtool_link_ksettings_add_link_mode
280 (cmd, advertising, 1000baseKX_Full);
281 else
282 ethtool_link_ksettings_add_link_mode
283 (cmd, advertising, 1000baseT_Full);
284 }
285 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
286 ethtool_link_ksettings_add_link_mode(cmd, advertising,
287 5000baseT_Full);
288 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
289 ethtool_link_ksettings_add_link_mode(cmd, advertising,
290 2500baseT_Full);
291 } else {
292 if (hw->phy.multispeed_fiber && !autoneg) {
293 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
294 ethtool_link_ksettings_add_link_mode
295 (cmd, advertising, 10000baseT_Full);
296 }
297 }
298
299 if (autoneg) {
300 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
301 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
302 cmd->base.autoneg = AUTONEG_ENABLE;
303 } else
304 cmd->base.autoneg = AUTONEG_DISABLE;
305
306 /* Determine the remaining settings based on the PHY type. */
307 switch (adapter->hw.phy.type) {
308 case ixgbe_phy_tn:
309 case ixgbe_phy_aq:
310 case ixgbe_phy_x550em_ext_t:
311 case ixgbe_phy_fw:
312 case ixgbe_phy_cu_unknown:
313 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
314 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
315 cmd->base.port = PORT_TP;
316 break;
317 case ixgbe_phy_qt:
318 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
319 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
320 cmd->base.port = PORT_FIBRE;
321 break;
322 case ixgbe_phy_nl:
323 case ixgbe_phy_sfp_passive_tyco:
324 case ixgbe_phy_sfp_passive_unknown:
325 case ixgbe_phy_sfp_ftl:
326 case ixgbe_phy_sfp_avago:
327 case ixgbe_phy_sfp_intel:
328 case ixgbe_phy_sfp_unknown:
329 case ixgbe_phy_qsfp_passive_unknown:
330 case ixgbe_phy_qsfp_active_unknown:
331 case ixgbe_phy_qsfp_intel:
332 case ixgbe_phy_qsfp_unknown:
333 /* SFP+ devices, further checking needed */
334 switch (adapter->hw.phy.sfp_type) {
335 case ixgbe_sfp_type_da_cu:
336 case ixgbe_sfp_type_da_cu_core0:
337 case ixgbe_sfp_type_da_cu_core1:
338 ethtool_link_ksettings_add_link_mode(cmd, supported,
339 FIBRE);
340 ethtool_link_ksettings_add_link_mode(cmd, advertising,
341 FIBRE);
342 cmd->base.port = PORT_DA;
343 break;
344 case ixgbe_sfp_type_sr:
345 case ixgbe_sfp_type_lr:
346 case ixgbe_sfp_type_srlr_core0:
347 case ixgbe_sfp_type_srlr_core1:
348 case ixgbe_sfp_type_1g_sx_core0:
349 case ixgbe_sfp_type_1g_sx_core1:
350 case ixgbe_sfp_type_1g_lx_core0:
351 case ixgbe_sfp_type_1g_lx_core1:
352 case ixgbe_sfp_type_1g_bx_core0:
353 case ixgbe_sfp_type_1g_bx_core1:
354 case ixgbe_sfp_type_10g_bx_core0:
355 case ixgbe_sfp_type_10g_bx_core1:
356 ethtool_link_ksettings_add_link_mode(cmd, supported,
357 FIBRE);
358 ethtool_link_ksettings_add_link_mode(cmd, advertising,
359 FIBRE);
360 cmd->base.port = PORT_FIBRE;
361 break;
362 case ixgbe_sfp_type_not_present:
363 ethtool_link_ksettings_add_link_mode(cmd, supported,
364 FIBRE);
365 ethtool_link_ksettings_add_link_mode(cmd, advertising,
366 FIBRE);
367 cmd->base.port = PORT_NONE;
368 break;
369 case ixgbe_sfp_type_1g_cu_core0:
370 case ixgbe_sfp_type_1g_cu_core1:
371 ethtool_link_ksettings_add_link_mode(cmd, supported,
372 TP);
373 ethtool_link_ksettings_add_link_mode(cmd, advertising,
374 TP);
375 cmd->base.port = PORT_TP;
376 break;
377 case ixgbe_sfp_type_unknown:
378 default:
379 ethtool_link_ksettings_add_link_mode(cmd, supported,
380 FIBRE);
381 ethtool_link_ksettings_add_link_mode(cmd, advertising,
382 FIBRE);
383 cmd->base.port = PORT_OTHER;
384 break;
385 }
386 break;
387 case ixgbe_phy_xaui:
388 ethtool_link_ksettings_add_link_mode(cmd, supported,
389 FIBRE);
390 ethtool_link_ksettings_add_link_mode(cmd, advertising,
391 FIBRE);
392 cmd->base.port = PORT_NONE;
393 break;
394 case ixgbe_phy_unknown:
395 case ixgbe_phy_generic:
396 case ixgbe_phy_sfp_unsupported:
397 default:
398 ethtool_link_ksettings_add_link_mode(cmd, supported,
399 FIBRE);
400 ethtool_link_ksettings_add_link_mode(cmd, advertising,
401 FIBRE);
402 cmd->base.port = PORT_OTHER;
403 break;
404 }
405
406 /* Indicate pause support */
407 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
408
409 switch (hw->fc.requested_mode) {
410 case ixgbe_fc_full:
411 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
412 break;
413 case ixgbe_fc_rx_pause:
414 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
415 ethtool_link_ksettings_add_link_mode(cmd, advertising,
416 Asym_Pause);
417 break;
418 case ixgbe_fc_tx_pause:
419 ethtool_link_ksettings_add_link_mode(cmd, advertising,
420 Asym_Pause);
421 break;
422 default:
423 ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
424 ethtool_link_ksettings_del_link_mode(cmd, advertising,
425 Asym_Pause);
426 }
427
428 if (netif_carrier_ok(netdev)) {
429 switch (adapter->link_speed) {
430 case IXGBE_LINK_SPEED_10GB_FULL:
431 cmd->base.speed = SPEED_10000;
432 break;
433 case IXGBE_LINK_SPEED_5GB_FULL:
434 cmd->base.speed = SPEED_5000;
435 break;
436 case IXGBE_LINK_SPEED_2_5GB_FULL:
437 cmd->base.speed = SPEED_2500;
438 break;
439 case IXGBE_LINK_SPEED_1GB_FULL:
440 cmd->base.speed = SPEED_1000;
441 break;
442 case IXGBE_LINK_SPEED_100_FULL:
443 cmd->base.speed = SPEED_100;
444 break;
445 case IXGBE_LINK_SPEED_10_FULL:
446 cmd->base.speed = SPEED_10;
447 break;
448 default:
449 break;
450 }
451 cmd->base.duplex = DUPLEX_FULL;
452 } else {
453 cmd->base.speed = SPEED_UNKNOWN;
454 cmd->base.duplex = DUPLEX_UNKNOWN;
455 }
456
457 return 0;
458 }
459
ixgbe_set_link_ksettings(struct net_device * netdev,const struct ethtool_link_ksettings * cmd)460 static int ixgbe_set_link_ksettings(struct net_device *netdev,
461 const struct ethtool_link_ksettings *cmd)
462 {
463 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
464 struct ixgbe_hw *hw = &adapter->hw;
465 u32 advertised, old;
466 int err = 0;
467
468 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
469 (hw->phy.multispeed_fiber)) {
470 /*
471 * this function does not support duplex forcing, but can
472 * limit the advertising of the adapter to the specified speed
473 */
474 if (!linkmode_subset(cmd->link_modes.advertising,
475 cmd->link_modes.supported))
476 return -EINVAL;
477
478 /* only allow one speed at a time if no autoneg */
479 if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
480 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
481 10000baseT_Full) &&
482 ethtool_link_ksettings_test_link_mode(cmd, advertising,
483 1000baseT_Full))
484 return -EINVAL;
485 }
486
487 old = hw->phy.autoneg_advertised;
488 advertised = 0;
489 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
490 10000baseT_Full))
491 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
492 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
493 5000baseT_Full))
494 advertised |= IXGBE_LINK_SPEED_5GB_FULL;
495 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
496 2500baseT_Full))
497 advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
498 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
499 1000baseT_Full))
500 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
501
502 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
503 100baseT_Full))
504 advertised |= IXGBE_LINK_SPEED_100_FULL;
505
506 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
507 10baseT_Full))
508 advertised |= IXGBE_LINK_SPEED_10_FULL;
509
510 if (old == advertised)
511 return err;
512 /* this sets the link speed and restarts auto-neg */
513 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
514 usleep_range(1000, 2000);
515
516 hw->mac.autotry_restart = true;
517 err = hw->mac.ops.setup_link(hw, advertised, true);
518 if (err) {
519 e_info(probe, "setup link failed with code %d\n", err);
520 hw->mac.ops.setup_link(hw, old, true);
521 }
522 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
523 } else {
524 /* in this case we currently only support 10Gb/FULL */
525 u32 speed = cmd->base.speed;
526
527 if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
528 (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
529 10000baseT_Full)) ||
530 (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
531 return -EINVAL;
532 }
533
534 return err;
535 }
536
ixgbe_get_pause_stats(struct net_device * netdev,struct ethtool_pause_stats * stats)537 static void ixgbe_get_pause_stats(struct net_device *netdev,
538 struct ethtool_pause_stats *stats)
539 {
540 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
541 struct ixgbe_hw_stats *hwstats = &adapter->stats;
542
543 stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
544 stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
545 }
546
ixgbe_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)547 static void ixgbe_get_pauseparam(struct net_device *netdev,
548 struct ethtool_pauseparam *pause)
549 {
550 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
551 struct ixgbe_hw *hw = &adapter->hw;
552
553 if (ixgbe_device_supports_autoneg_fc(hw) &&
554 !hw->fc.disable_fc_autoneg)
555 pause->autoneg = 1;
556 else
557 pause->autoneg = 0;
558
559 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
560 pause->rx_pause = 1;
561 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
562 pause->tx_pause = 1;
563 } else if (hw->fc.current_mode == ixgbe_fc_full) {
564 pause->rx_pause = 1;
565 pause->tx_pause = 1;
566 }
567 }
568
ixgbe_set_pauseparam_finalize(struct net_device * netdev,struct ixgbe_fc_info * fc)569 static void ixgbe_set_pauseparam_finalize(struct net_device *netdev,
570 struct ixgbe_fc_info *fc)
571 {
572 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
573 struct ixgbe_hw *hw = &adapter->hw;
574
575 /* If the thing changed then we'll update and use new autoneg. */
576 if (memcmp(fc, &hw->fc, sizeof(*fc))) {
577 hw->fc = *fc;
578 if (netif_running(netdev))
579 ixgbe_reinit_locked(adapter);
580 else
581 ixgbe_reset(adapter);
582 }
583 }
584
ixgbe_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)585 static int ixgbe_set_pauseparam(struct net_device *netdev,
586 struct ethtool_pauseparam *pause)
587 {
588 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
589 struct ixgbe_hw *hw = &adapter->hw;
590 struct ixgbe_fc_info fc = hw->fc;
591
592 /* 82598 does no support link flow control with DCB enabled */
593 if ((hw->mac.type == ixgbe_mac_82598EB) &&
594 (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
595 return -EINVAL;
596
597 /* some devices do not support autoneg of link flow control */
598 if ((pause->autoneg == AUTONEG_ENABLE) &&
599 !ixgbe_device_supports_autoneg_fc(hw))
600 return -EINVAL;
601
602 fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
603
604 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
605 fc.requested_mode = ixgbe_fc_full;
606 else if (pause->rx_pause && !pause->tx_pause)
607 fc.requested_mode = ixgbe_fc_rx_pause;
608 else if (!pause->rx_pause && pause->tx_pause)
609 fc.requested_mode = ixgbe_fc_tx_pause;
610 else
611 fc.requested_mode = ixgbe_fc_none;
612
613 ixgbe_set_pauseparam_finalize(netdev, &fc);
614
615 return 0;
616 }
617
ixgbe_set_pauseparam_e610(struct net_device * netdev,struct ethtool_pauseparam * pause)618 static int ixgbe_set_pauseparam_e610(struct net_device *netdev,
619 struct ethtool_pauseparam *pause)
620 {
621 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
622 struct ixgbe_hw *hw = &adapter->hw;
623 struct ixgbe_fc_info fc = hw->fc;
624
625 if (!ixgbe_device_supports_autoneg_fc(hw))
626 return -EOPNOTSUPP;
627
628 if (pause->autoneg == AUTONEG_DISABLE) {
629 netdev_info(netdev,
630 "Cannot disable autonegotiation on this device.\n");
631 return -EOPNOTSUPP;
632 }
633
634 fc.disable_fc_autoneg = false;
635
636 if (pause->rx_pause && pause->tx_pause)
637 fc.requested_mode = ixgbe_fc_full;
638 else if (pause->rx_pause)
639 fc.requested_mode = ixgbe_fc_rx_pause;
640 else if (pause->tx_pause)
641 fc.requested_mode = ixgbe_fc_tx_pause;
642 else
643 fc.requested_mode = ixgbe_fc_none;
644
645 ixgbe_set_pauseparam_finalize(netdev, &fc);
646
647 return 0;
648 }
649
ixgbe_get_msglevel(struct net_device * netdev)650 static u32 ixgbe_get_msglevel(struct net_device *netdev)
651 {
652 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
653 return adapter->msg_enable;
654 }
655
ixgbe_set_msglevel(struct net_device * netdev,u32 data)656 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
657 {
658 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
659 adapter->msg_enable = data;
660 }
661
ixgbe_get_regs_len(struct net_device * netdev)662 static int ixgbe_get_regs_len(struct net_device *netdev)
663 {
664 #define IXGBE_REGS_LEN 1145
665 return IXGBE_REGS_LEN * sizeof(u32);
666 }
667
668 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
669
ixgbe_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)670 static void ixgbe_get_regs(struct net_device *netdev,
671 struct ethtool_regs *regs, void *p)
672 {
673 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
674 struct ixgbe_hw *hw = &adapter->hw;
675 u32 *regs_buff = p;
676 u8 i;
677
678 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
679
680 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
681 hw->device_id;
682
683 /* General Registers */
684 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
685 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
686 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
687 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
688 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
689 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
690 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
691 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
692
693 /* NVM Register */
694 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
695 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
696 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
697 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
698 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
699 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
700 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
701 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
702 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
703 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
704
705 /* Interrupt */
706 /* don't read EICR because it can clear interrupt causes, instead
707 * read EICS which is a shadow but doesn't clear EICR */
708 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
709 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
710 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
711 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
712 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
713 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
714 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
715 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
716 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
717 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
718 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
719 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
720
721 /* Flow Control */
722 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
723 for (i = 0; i < 4; i++)
724 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
725 for (i = 0; i < 8; i++) {
726 switch (hw->mac.type) {
727 case ixgbe_mac_82598EB:
728 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
729 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
730 break;
731 case ixgbe_mac_82599EB:
732 case ixgbe_mac_X540:
733 case ixgbe_mac_X550:
734 case ixgbe_mac_X550EM_x:
735 case ixgbe_mac_x550em_a:
736 case ixgbe_mac_e610:
737 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
738 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
739 break;
740 default:
741 break;
742 }
743 }
744 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
745 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
746
747 /* Receive DMA */
748 for (i = 0; i < 64; i++)
749 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
750 for (i = 0; i < 64; i++)
751 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
752 for (i = 0; i < 64; i++)
753 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
754 for (i = 0; i < 64; i++)
755 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
756 for (i = 0; i < 64; i++)
757 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
758 for (i = 0; i < 64; i++)
759 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
760 for (i = 0; i < 16; i++)
761 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
762 for (i = 0; i < 16; i++)
763 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
764 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
765 for (i = 0; i < 8; i++)
766 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
767 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
768 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
769
770 /* Receive */
771 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
772 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
773 for (i = 0; i < 16; i++)
774 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
775 for (i = 0; i < 16; i++)
776 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
777 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
778 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
779 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
780 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
781 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
782 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
783 for (i = 0; i < 8; i++)
784 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
785 for (i = 0; i < 8; i++)
786 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
787 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
788
789 /* Transmit */
790 for (i = 0; i < 32; i++)
791 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
792 for (i = 0; i < 32; i++)
793 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
794 for (i = 0; i < 32; i++)
795 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
796 for (i = 0; i < 32; i++)
797 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
798 for (i = 0; i < 32; i++)
799 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
800 for (i = 0; i < 32; i++)
801 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
802 for (i = 0; i < 32; i++)
803 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
804 for (i = 0; i < 32; i++)
805 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
806 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
807 for (i = 0; i < 16; i++)
808 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
809 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
810 for (i = 0; i < 8; i++)
811 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
812 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
813
814 /* Wake Up */
815 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
816 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
817 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
818 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
819 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
820 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
821 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
822 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
823 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
824
825 /* DCB */
826 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); /* same as FCCFG */
827 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
828
829 switch (hw->mac.type) {
830 case ixgbe_mac_82598EB:
831 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
832 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
833 for (i = 0; i < 8; i++)
834 regs_buff[833 + i] =
835 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
836 for (i = 0; i < 8; i++)
837 regs_buff[841 + i] =
838 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
839 for (i = 0; i < 8; i++)
840 regs_buff[849 + i] =
841 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
842 for (i = 0; i < 8; i++)
843 regs_buff[857 + i] =
844 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
845 break;
846 case ixgbe_mac_82599EB:
847 case ixgbe_mac_X540:
848 case ixgbe_mac_X550:
849 case ixgbe_mac_X550EM_x:
850 case ixgbe_mac_x550em_a:
851 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
852 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
853 for (i = 0; i < 8; i++)
854 regs_buff[833 + i] =
855 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
856 for (i = 0; i < 8; i++)
857 regs_buff[841 + i] =
858 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
859 for (i = 0; i < 8; i++)
860 regs_buff[849 + i] =
861 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
862 for (i = 0; i < 8; i++)
863 regs_buff[857 + i] =
864 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
865 break;
866 default:
867 break;
868 }
869
870 for (i = 0; i < 8; i++)
871 regs_buff[865 + i] =
872 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
873 for (i = 0; i < 8; i++)
874 regs_buff[873 + i] =
875 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
876
877 /* Statistics */
878 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
879 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
880 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
881 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
882 for (i = 0; i < 8; i++)
883 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
884 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
885 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
886 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
887 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
888 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
889 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
890 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
891 for (i = 0; i < 8; i++)
892 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
893 for (i = 0; i < 8; i++)
894 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
895 for (i = 0; i < 8; i++)
896 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
897 for (i = 0; i < 8; i++)
898 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
899 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
900 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
901 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
902 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
903 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
904 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
905 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
906 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
907 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
908 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
909 regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
910 regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
911 regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
912 regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
913 for (i = 0; i < 8; i++)
914 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
915 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
916 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
917 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
918 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
919 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
920 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
921 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
922 regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
923 regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
924 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
925 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
926 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
927 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
928 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
929 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
930 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
931 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
932 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
933 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
934 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
935 for (i = 0; i < 16; i++)
936 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
937 for (i = 0; i < 16; i++)
938 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
939 for (i = 0; i < 16; i++)
940 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
941 for (i = 0; i < 16; i++)
942 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
943
944 /* MAC */
945 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
946 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
947 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
948 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
949 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
950 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
951 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
952 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
953 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
954 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
955 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
956 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
957 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
958 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
959 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
960 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
961 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
962 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
963 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
964 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
965 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
966 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
967 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
968 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
969 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
970 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
971 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
972 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
973 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
974 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
975 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
976 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
977 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
978
979 /* Diagnostic */
980 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
981 for (i = 0; i < 8; i++)
982 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
983 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
984 for (i = 0; i < 4; i++)
985 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
986 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
987 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
988 for (i = 0; i < 8; i++)
989 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
990 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
991 for (i = 0; i < 4; i++)
992 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
993 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
994 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
995 for (i = 0; i < 4; i++)
996 regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
997 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
998 for (i = 0; i < 4; i++)
999 regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
1000 for (i = 0; i < 8; i++)
1001 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
1002 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
1003 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
1004 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
1005 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
1006 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
1007 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
1008 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
1009 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
1010 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
1011
1012 /* 82599 X540 specific registers */
1013 regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
1014
1015 /* 82599 X540 specific DCB registers */
1016 regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
1017 regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
1018 for (i = 0; i < 4; i++)
1019 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
1020 regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
1021 /* same as RTTQCNRM */
1022 regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
1023 /* same as RTTQCNRR */
1024
1025 /* X540 specific DCB registers */
1026 regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
1027 regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
1028
1029 /* Security config registers */
1030 regs_buff[1139] = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
1031 regs_buff[1140] = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT);
1032 regs_buff[1141] = IXGBE_READ_REG(hw, IXGBE_SECTXBUFFAF);
1033 regs_buff[1142] = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
1034 regs_buff[1143] = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1035 regs_buff[1144] = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
1036 }
1037
ixgbe_get_link_ext_stats(struct net_device * netdev,struct ethtool_link_ext_stats * stats)1038 static void ixgbe_get_link_ext_stats(struct net_device *netdev,
1039 struct ethtool_link_ext_stats *stats)
1040 {
1041 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1042
1043 stats->link_down_events = adapter->link_down_events;
1044 }
1045
ixgbe_get_eeprom_len(struct net_device * netdev)1046 static int ixgbe_get_eeprom_len(struct net_device *netdev)
1047 {
1048 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1049 return adapter->hw.eeprom.word_size * 2;
1050 }
1051
ixgbe_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)1052 static int ixgbe_get_eeprom(struct net_device *netdev,
1053 struct ethtool_eeprom *eeprom, u8 *bytes)
1054 {
1055 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1056 struct ixgbe_hw *hw = &adapter->hw;
1057 u16 *eeprom_buff;
1058 int first_word, last_word, eeprom_len;
1059 int ret_val = 0;
1060 u16 i;
1061
1062 if (eeprom->len == 0)
1063 return -EINVAL;
1064
1065 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1066
1067 first_word = eeprom->offset >> 1;
1068 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1069 eeprom_len = last_word - first_word + 1;
1070
1071 eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL);
1072 if (!eeprom_buff)
1073 return -ENOMEM;
1074
1075 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
1076 eeprom_buff);
1077
1078 /* Device's eeprom is always little-endian, word addressable */
1079 for (i = 0; i < eeprom_len; i++)
1080 le16_to_cpus(&eeprom_buff[i]);
1081
1082 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1083 kfree(eeprom_buff);
1084
1085 return ret_val;
1086 }
1087
ixgbe_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)1088 static int ixgbe_set_eeprom(struct net_device *netdev,
1089 struct ethtool_eeprom *eeprom, u8 *bytes)
1090 {
1091 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1092 struct ixgbe_hw *hw = &adapter->hw;
1093 u16 *eeprom_buff;
1094 void *ptr;
1095 int max_len, first_word, last_word, ret_val = 0;
1096 u16 i;
1097
1098 if (eeprom->len == 0)
1099 return -EINVAL;
1100
1101 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1102 return -EINVAL;
1103
1104 max_len = hw->eeprom.word_size * 2;
1105
1106 first_word = eeprom->offset >> 1;
1107 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1108 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
1109 if (!eeprom_buff)
1110 return -ENOMEM;
1111
1112 ptr = eeprom_buff;
1113
1114 if (eeprom->offset & 1) {
1115 /*
1116 * need read/modify/write of first changed EEPROM word
1117 * only the second byte of the word is being modified
1118 */
1119 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
1120 if (ret_val)
1121 goto err;
1122
1123 ptr++;
1124 }
1125 if ((eeprom->offset + eeprom->len) & 1) {
1126 /*
1127 * need read/modify/write of last changed EEPROM word
1128 * only the first byte of the word is being modified
1129 */
1130 ret_val = hw->eeprom.ops.read(hw, last_word,
1131 &eeprom_buff[last_word - first_word]);
1132 if (ret_val)
1133 goto err;
1134 }
1135
1136 /* Device's eeprom is always little-endian, word addressable */
1137 for (i = 0; i < last_word - first_word + 1; i++)
1138 le16_to_cpus(&eeprom_buff[i]);
1139
1140 memcpy(ptr, bytes, eeprom->len);
1141
1142 for (i = 0; i < last_word - first_word + 1; i++)
1143 cpu_to_le16s(&eeprom_buff[i]);
1144
1145 ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
1146 last_word - first_word + 1,
1147 eeprom_buff);
1148
1149 /* Update the checksum */
1150 if (ret_val == 0)
1151 hw->eeprom.ops.update_checksum(hw);
1152
1153 err:
1154 kfree(eeprom_buff);
1155 return ret_val;
1156 }
1157
ixgbe_refresh_fw_version(struct ixgbe_adapter * adapter)1158 int ixgbe_refresh_fw_version(struct ixgbe_adapter *adapter)
1159 {
1160 struct ixgbe_hw *hw = &adapter->hw;
1161 int err;
1162
1163 err = ixgbe_get_flash_data(hw);
1164 if (err)
1165 return err;
1166
1167 ixgbe_set_fw_version_e610(adapter);
1168 return 0;
1169 }
1170
ixgbe_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)1171 static void ixgbe_get_drvinfo(struct net_device *netdev,
1172 struct ethtool_drvinfo *drvinfo)
1173 {
1174 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1175
1176 strscpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
1177
1178 strscpy(drvinfo->fw_version, adapter->eeprom_id,
1179 sizeof(drvinfo->fw_version));
1180
1181 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
1182 sizeof(drvinfo->bus_info));
1183
1184 drvinfo->n_priv_flags = IXGBE_PRIV_FLAGS_STR_LEN;
1185 }
1186
ixgbe_get_max_rxd(struct ixgbe_adapter * adapter)1187 static u32 ixgbe_get_max_rxd(struct ixgbe_adapter *adapter)
1188 {
1189 switch (adapter->hw.mac.type) {
1190 case ixgbe_mac_82598EB:
1191 return IXGBE_MAX_RXD_82598;
1192 case ixgbe_mac_82599EB:
1193 return IXGBE_MAX_RXD_82599;
1194 case ixgbe_mac_X540:
1195 return IXGBE_MAX_RXD_X540;
1196 case ixgbe_mac_X550:
1197 case ixgbe_mac_X550EM_x:
1198 case ixgbe_mac_x550em_a:
1199 return IXGBE_MAX_RXD_X550;
1200 default:
1201 return IXGBE_MAX_RXD_82598;
1202 }
1203 }
1204
ixgbe_get_max_txd(struct ixgbe_adapter * adapter)1205 static u32 ixgbe_get_max_txd(struct ixgbe_adapter *adapter)
1206 {
1207 switch (adapter->hw.mac.type) {
1208 case ixgbe_mac_82598EB:
1209 return IXGBE_MAX_TXD_82598;
1210 case ixgbe_mac_82599EB:
1211 return IXGBE_MAX_TXD_82599;
1212 case ixgbe_mac_X540:
1213 return IXGBE_MAX_TXD_X540;
1214 case ixgbe_mac_X550:
1215 case ixgbe_mac_X550EM_x:
1216 case ixgbe_mac_x550em_a:
1217 return IXGBE_MAX_TXD_X550;
1218 default:
1219 return IXGBE_MAX_TXD_82598;
1220 }
1221 }
1222
ixgbe_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)1223 static void ixgbe_get_ringparam(struct net_device *netdev,
1224 struct ethtool_ringparam *ring,
1225 struct kernel_ethtool_ringparam *kernel_ring,
1226 struct netlink_ext_ack *extack)
1227 {
1228 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1229 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
1230 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1231
1232 ring->rx_max_pending = ixgbe_get_max_rxd(adapter);
1233 ring->tx_max_pending = ixgbe_get_max_txd(adapter);
1234 ring->rx_pending = rx_ring->count;
1235 ring->tx_pending = tx_ring->count;
1236 }
1237
ixgbe_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)1238 static int ixgbe_set_ringparam(struct net_device *netdev,
1239 struct ethtool_ringparam *ring,
1240 struct kernel_ethtool_ringparam *kernel_ring,
1241 struct netlink_ext_ack *extack)
1242 {
1243 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1244 struct ixgbe_ring *temp_ring;
1245 int i, j, err = 0;
1246 u32 new_rx_count, new_tx_count;
1247
1248 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1249 return -EINVAL;
1250
1251 new_tx_count = clamp_t(u32, ring->tx_pending,
1252 IXGBE_MIN_TXD, ixgbe_get_max_txd(adapter));
1253 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1254
1255 new_rx_count = clamp_t(u32, ring->rx_pending,
1256 IXGBE_MIN_RXD, ixgbe_get_max_rxd(adapter));
1257 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1258
1259 if ((new_tx_count == adapter->tx_ring_count) &&
1260 (new_rx_count == adapter->rx_ring_count)) {
1261 /* nothing to do */
1262 return 0;
1263 }
1264
1265 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1266 usleep_range(1000, 2000);
1267
1268 if (!netif_running(adapter->netdev)) {
1269 for (i = 0; i < adapter->num_tx_queues; i++)
1270 adapter->tx_ring[i]->count = new_tx_count;
1271 for (i = 0; i < adapter->num_xdp_queues; i++)
1272 adapter->xdp_ring[i]->count = new_tx_count;
1273 for (i = 0; i < adapter->num_rx_queues; i++)
1274 adapter->rx_ring[i]->count = new_rx_count;
1275 adapter->tx_ring_count = new_tx_count;
1276 adapter->xdp_ring_count = new_tx_count;
1277 adapter->rx_ring_count = new_rx_count;
1278 goto clear_reset;
1279 }
1280
1281 /* allocate temporary buffer to store rings in */
1282 i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
1283 adapter->num_rx_queues);
1284 temp_ring = vmalloc_array(i, sizeof(struct ixgbe_ring));
1285
1286 if (!temp_ring) {
1287 err = -ENOMEM;
1288 goto clear_reset;
1289 }
1290
1291 ixgbe_down(adapter);
1292
1293 /*
1294 * Setup new Tx resources and free the old Tx resources in that order.
1295 * We can then assign the new resources to the rings via a memcpy.
1296 * The advantage to this approach is that we are guaranteed to still
1297 * have resources even in the case of an allocation failure.
1298 */
1299 if (new_tx_count != adapter->tx_ring_count) {
1300 for (i = 0; i < adapter->num_tx_queues; i++) {
1301 memcpy(&temp_ring[i], adapter->tx_ring[i],
1302 sizeof(struct ixgbe_ring));
1303
1304 temp_ring[i].count = new_tx_count;
1305 err = ixgbe_setup_tx_resources(&temp_ring[i]);
1306 if (err) {
1307 while (i) {
1308 i--;
1309 ixgbe_free_tx_resources(&temp_ring[i]);
1310 }
1311 goto err_setup;
1312 }
1313 }
1314
1315 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1316 memcpy(&temp_ring[i], adapter->xdp_ring[j],
1317 sizeof(struct ixgbe_ring));
1318
1319 temp_ring[i].count = new_tx_count;
1320 err = ixgbe_setup_tx_resources(&temp_ring[i]);
1321 if (err) {
1322 while (i) {
1323 i--;
1324 ixgbe_free_tx_resources(&temp_ring[i]);
1325 }
1326 goto err_setup;
1327 }
1328 }
1329
1330 for (i = 0; i < adapter->num_tx_queues; i++) {
1331 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1332
1333 memcpy(adapter->tx_ring[i], &temp_ring[i],
1334 sizeof(struct ixgbe_ring));
1335 }
1336 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1337 ixgbe_free_tx_resources(adapter->xdp_ring[j]);
1338
1339 memcpy(adapter->xdp_ring[j], &temp_ring[i],
1340 sizeof(struct ixgbe_ring));
1341 }
1342
1343 adapter->tx_ring_count = new_tx_count;
1344 }
1345
1346 /* Repeat the process for the Rx rings if needed */
1347 if (new_rx_count != adapter->rx_ring_count) {
1348 for (i = 0; i < adapter->num_rx_queues; i++) {
1349 memcpy(&temp_ring[i], adapter->rx_ring[i],
1350 sizeof(struct ixgbe_ring));
1351
1352 /* Clear copied XDP RX-queue info */
1353 memset(&temp_ring[i].xdp_rxq, 0,
1354 sizeof(temp_ring[i].xdp_rxq));
1355
1356 temp_ring[i].count = new_rx_count;
1357 err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
1358 if (err) {
1359 while (i) {
1360 i--;
1361 ixgbe_free_rx_resources(&temp_ring[i]);
1362 }
1363 goto err_setup;
1364 }
1365
1366 }
1367
1368 for (i = 0; i < adapter->num_rx_queues; i++) {
1369 ixgbe_free_rx_resources(adapter->rx_ring[i]);
1370
1371 memcpy(adapter->rx_ring[i], &temp_ring[i],
1372 sizeof(struct ixgbe_ring));
1373 }
1374
1375 adapter->rx_ring_count = new_rx_count;
1376 }
1377
1378 err_setup:
1379 ixgbe_up(adapter);
1380 vfree(temp_ring);
1381 clear_reset:
1382 clear_bit(__IXGBE_RESETTING, &adapter->state);
1383 return err;
1384 }
1385
ixgbe_get_sset_count(struct net_device * netdev,int sset)1386 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1387 {
1388 switch (sset) {
1389 case ETH_SS_TEST:
1390 return IXGBE_TEST_LEN;
1391 case ETH_SS_STATS:
1392 return IXGBE_STATS_LEN;
1393 case ETH_SS_PRIV_FLAGS:
1394 return IXGBE_PRIV_FLAGS_STR_LEN;
1395 default:
1396 return -EOPNOTSUPP;
1397 }
1398 }
1399
ixgbe_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)1400 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1401 struct ethtool_stats *stats, u64 *data)
1402 {
1403 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1404 struct rtnl_link_stats64 temp;
1405 const struct rtnl_link_stats64 *net_stats;
1406 unsigned int start;
1407 struct ixgbe_ring *ring;
1408 int i, j;
1409 char *p = NULL;
1410
1411 ixgbe_update_stats(adapter);
1412 net_stats = dev_get_stats(netdev, &temp);
1413 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1414 switch (ixgbe_gstrings_stats[i].type) {
1415 case NETDEV_STATS:
1416 p = (char *) net_stats +
1417 ixgbe_gstrings_stats[i].stat_offset;
1418 break;
1419 case IXGBE_STATS:
1420 p = (char *) adapter +
1421 ixgbe_gstrings_stats[i].stat_offset;
1422 break;
1423 default:
1424 data[i] = 0;
1425 continue;
1426 }
1427
1428 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1429 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1430 }
1431 for (j = 0; j < netdev->num_tx_queues; j++) {
1432 ring = adapter->tx_ring[j];
1433 if (!ring) {
1434 data[i] = 0;
1435 data[i+1] = 0;
1436 i += 2;
1437 continue;
1438 }
1439
1440 do {
1441 start = u64_stats_fetch_begin(&ring->syncp);
1442 data[i] = ring->stats.packets;
1443 data[i+1] = ring->stats.bytes;
1444 } while (u64_stats_fetch_retry(&ring->syncp, start));
1445 i += 2;
1446 }
1447 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1448 ring = adapter->rx_ring[j];
1449 if (!ring) {
1450 data[i] = 0;
1451 data[i+1] = 0;
1452 i += 2;
1453 continue;
1454 }
1455
1456 do {
1457 start = u64_stats_fetch_begin(&ring->syncp);
1458 data[i] = ring->stats.packets;
1459 data[i+1] = ring->stats.bytes;
1460 } while (u64_stats_fetch_retry(&ring->syncp, start));
1461 i += 2;
1462 }
1463
1464 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1465 data[i++] = adapter->stats.pxontxc[j];
1466 data[i++] = adapter->stats.pxofftxc[j];
1467 }
1468 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1469 data[i++] = adapter->stats.pxonrxc[j];
1470 data[i++] = adapter->stats.pxoffrxc[j];
1471 }
1472 }
1473
ixgbe_get_strings(struct net_device * netdev,u32 stringset,u8 * data)1474 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1475 u8 *data)
1476 {
1477 unsigned int i;
1478 u8 *p = data;
1479
1480 switch (stringset) {
1481 case ETH_SS_TEST:
1482 for (i = 0; i < IXGBE_TEST_LEN; i++)
1483 ethtool_puts(&p, ixgbe_gstrings_test[i]);
1484 break;
1485 case ETH_SS_STATS:
1486 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++)
1487 ethtool_puts(&p, ixgbe_gstrings_stats[i].stat_string);
1488 for (i = 0; i < netdev->num_tx_queues; i++) {
1489 ethtool_sprintf(&p, "tx_queue_%u_packets", i);
1490 ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
1491 }
1492 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1493 ethtool_sprintf(&p, "rx_queue_%u_packets", i);
1494 ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
1495 }
1496 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1497 ethtool_sprintf(&p, "tx_pb_%u_pxon", i);
1498 ethtool_sprintf(&p, "tx_pb_%u_pxoff", i);
1499 }
1500 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1501 ethtool_sprintf(&p, "rx_pb_%u_pxon", i);
1502 ethtool_sprintf(&p, "rx_pb_%u_pxoff", i);
1503 }
1504 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1505 break;
1506 case ETH_SS_PRIV_FLAGS:
1507 memcpy(data, ixgbe_priv_flags_strings,
1508 IXGBE_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1509 }
1510 }
1511
ixgbe_link_test(struct ixgbe_adapter * adapter,u64 * data)1512 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1513 {
1514 struct ixgbe_hw *hw = &adapter->hw;
1515 bool link_up;
1516 u32 link_speed = 0;
1517
1518 if (ixgbe_removed(hw->hw_addr)) {
1519 *data = 1;
1520 return 1;
1521 }
1522 *data = 0;
1523
1524 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1525 if (link_up)
1526 return *data;
1527 else
1528 *data = 1;
1529 return *data;
1530 }
1531
1532 /* ethtool register test data */
1533 struct ixgbe_reg_test {
1534 u16 reg;
1535 u8 array_len;
1536 u8 test_type;
1537 u32 mask;
1538 u32 write;
1539 };
1540
1541 /* In the hardware, registers are laid out either singly, in arrays
1542 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1543 * most tests take place on arrays or single registers (handled
1544 * as a single-element array) and special-case the tables.
1545 * Table tests are always pattern tests.
1546 *
1547 * We also make provision for some required setup steps by specifying
1548 * registers to be written without any read-back testing.
1549 */
1550
1551 #define PATTERN_TEST 1
1552 #define SET_READ_TEST 2
1553 #define WRITE_NO_TEST 3
1554 #define TABLE32_TEST 4
1555 #define TABLE64_TEST_LO 5
1556 #define TABLE64_TEST_HI 6
1557
1558 /* default 82599 register test */
1559 static const struct ixgbe_reg_test reg_test_82599[] = {
1560 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1561 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1562 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1563 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1564 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1565 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1566 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1567 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1568 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1569 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1570 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1571 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1572 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1573 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1574 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1575 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1576 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1577 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1578 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1579 { .reg = 0 }
1580 };
1581
1582 /* default 82598 register test */
1583 static const struct ixgbe_reg_test reg_test_82598[] = {
1584 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1585 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1586 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1587 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1588 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1589 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1590 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1591 /* Enable all four RX queues before testing. */
1592 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1593 /* RDH is read-only for 82598, only test RDT. */
1594 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1595 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1596 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1597 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1598 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1599 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1600 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1601 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1602 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1603 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1604 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1605 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1606 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1607 { .reg = 0 }
1608 };
1609
reg_pattern_test(struct ixgbe_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)1610 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1611 u32 mask, u32 write)
1612 {
1613 u32 pat, val, before;
1614 static const u32 test_pattern[] = {
1615 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1616
1617 if (ixgbe_removed(adapter->hw.hw_addr)) {
1618 *data = 1;
1619 return true;
1620 }
1621 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1622 before = ixgbe_read_reg(&adapter->hw, reg);
1623 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1624 val = ixgbe_read_reg(&adapter->hw, reg);
1625 if (val != (test_pattern[pat] & write & mask)) {
1626 e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1627 reg, val, (test_pattern[pat] & write & mask));
1628 *data = reg;
1629 ixgbe_write_reg(&adapter->hw, reg, before);
1630 return true;
1631 }
1632 ixgbe_write_reg(&adapter->hw, reg, before);
1633 }
1634 return false;
1635 }
1636
reg_set_and_check(struct ixgbe_adapter * adapter,u64 * data,int reg,u32 mask,u32 write)1637 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1638 u32 mask, u32 write)
1639 {
1640 u32 val, before;
1641
1642 if (ixgbe_removed(adapter->hw.hw_addr)) {
1643 *data = 1;
1644 return true;
1645 }
1646 before = ixgbe_read_reg(&adapter->hw, reg);
1647 ixgbe_write_reg(&adapter->hw, reg, write & mask);
1648 val = ixgbe_read_reg(&adapter->hw, reg);
1649 if ((write & mask) != (val & mask)) {
1650 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1651 reg, (val & mask), (write & mask));
1652 *data = reg;
1653 ixgbe_write_reg(&adapter->hw, reg, before);
1654 return true;
1655 }
1656 ixgbe_write_reg(&adapter->hw, reg, before);
1657 return false;
1658 }
1659
ixgbe_reg_test(struct ixgbe_adapter * adapter,u64 * data)1660 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1661 {
1662 const struct ixgbe_reg_test *test;
1663 u32 value, before, after;
1664 u32 i, toggle;
1665
1666 if (ixgbe_removed(adapter->hw.hw_addr)) {
1667 e_err(drv, "Adapter removed - register test blocked\n");
1668 *data = 1;
1669 return 1;
1670 }
1671 switch (adapter->hw.mac.type) {
1672 case ixgbe_mac_82598EB:
1673 toggle = 0x7FFFF3FF;
1674 test = reg_test_82598;
1675 break;
1676 case ixgbe_mac_82599EB:
1677 case ixgbe_mac_X540:
1678 case ixgbe_mac_X550:
1679 case ixgbe_mac_X550EM_x:
1680 case ixgbe_mac_x550em_a:
1681 case ixgbe_mac_e610:
1682 toggle = 0x7FFFF30F;
1683 test = reg_test_82599;
1684 break;
1685 default:
1686 *data = 1;
1687 return 1;
1688 }
1689
1690 /*
1691 * Because the status register is such a special case,
1692 * we handle it separately from the rest of the register
1693 * tests. Some bits are read-only, some toggle, and some
1694 * are writeable on newer MACs.
1695 */
1696 before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1697 value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1698 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1699 after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1700 if (value != after) {
1701 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1702 after, value);
1703 *data = 1;
1704 return 1;
1705 }
1706 /* restore previous status */
1707 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1708
1709 /*
1710 * Perform the remainder of the register test, looping through
1711 * the test table until we either fail or reach the null entry.
1712 */
1713 while (test->reg) {
1714 for (i = 0; i < test->array_len; i++) {
1715 bool b = false;
1716
1717 switch (test->test_type) {
1718 case PATTERN_TEST:
1719 b = reg_pattern_test(adapter, data,
1720 test->reg + (i * 0x40),
1721 test->mask,
1722 test->write);
1723 break;
1724 case SET_READ_TEST:
1725 b = reg_set_and_check(adapter, data,
1726 test->reg + (i * 0x40),
1727 test->mask,
1728 test->write);
1729 break;
1730 case WRITE_NO_TEST:
1731 ixgbe_write_reg(&adapter->hw,
1732 test->reg + (i * 0x40),
1733 test->write);
1734 break;
1735 case TABLE32_TEST:
1736 b = reg_pattern_test(adapter, data,
1737 test->reg + (i * 4),
1738 test->mask,
1739 test->write);
1740 break;
1741 case TABLE64_TEST_LO:
1742 b = reg_pattern_test(adapter, data,
1743 test->reg + (i * 8),
1744 test->mask,
1745 test->write);
1746 break;
1747 case TABLE64_TEST_HI:
1748 b = reg_pattern_test(adapter, data,
1749 (test->reg + 4) + (i * 8),
1750 test->mask,
1751 test->write);
1752 break;
1753 }
1754 if (b)
1755 return 1;
1756 }
1757 test++;
1758 }
1759
1760 *data = 0;
1761 return 0;
1762 }
1763
ixgbe_eeprom_test(struct ixgbe_adapter * adapter,u64 * data)1764 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1765 {
1766 struct ixgbe_hw *hw = &adapter->hw;
1767 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1768 *data = 1;
1769 else
1770 *data = 0;
1771 return *data;
1772 }
1773
ixgbe_test_intr(int irq,void * data)1774 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1775 {
1776 struct net_device *netdev = (struct net_device *) data;
1777 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
1778
1779 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1780
1781 return IRQ_HANDLED;
1782 }
1783
ixgbe_intr_test(struct ixgbe_adapter * adapter,u64 * data)1784 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1785 {
1786 struct net_device *netdev = adapter->netdev;
1787 u32 mask, i = 0, shared_int = true;
1788 u32 irq = adapter->pdev->irq;
1789
1790 *data = 0;
1791
1792 /* Hook up test interrupt handler just for this test */
1793 if (adapter->msix_entries) {
1794 /* NOTE: we don't test MSI-X interrupts here, yet */
1795 return 0;
1796 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1797 shared_int = false;
1798 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1799 netdev)) {
1800 *data = 1;
1801 return -1;
1802 }
1803 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1804 netdev->name, netdev)) {
1805 shared_int = false;
1806 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1807 netdev->name, netdev)) {
1808 *data = 1;
1809 return -1;
1810 }
1811 e_info(hw, "testing %s interrupt\n", shared_int ?
1812 "shared" : "unshared");
1813
1814 /* Disable all the interrupts */
1815 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1816 IXGBE_WRITE_FLUSH(&adapter->hw);
1817 usleep_range(10000, 20000);
1818
1819 /* Test each interrupt */
1820 for (; i < 10; i++) {
1821 /* Interrupt to test */
1822 mask = BIT(i);
1823
1824 if (!shared_int) {
1825 /*
1826 * Disable the interrupts to be reported in
1827 * the cause register and then force the same
1828 * interrupt and see if one gets posted. If
1829 * an interrupt was posted to the bus, the
1830 * test failed.
1831 */
1832 adapter->test_icr = 0;
1833 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1834 ~mask & 0x00007FFF);
1835 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1836 ~mask & 0x00007FFF);
1837 IXGBE_WRITE_FLUSH(&adapter->hw);
1838 usleep_range(10000, 20000);
1839
1840 if (adapter->test_icr & mask) {
1841 *data = 3;
1842 break;
1843 }
1844 }
1845
1846 /*
1847 * Enable the interrupt to be reported in the cause
1848 * register and then force the same interrupt and see
1849 * if one gets posted. If an interrupt was not posted
1850 * to the bus, the test failed.
1851 */
1852 adapter->test_icr = 0;
1853 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1854 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1855 IXGBE_WRITE_FLUSH(&adapter->hw);
1856 usleep_range(10000, 20000);
1857
1858 if (!(adapter->test_icr & mask)) {
1859 *data = 4;
1860 break;
1861 }
1862
1863 if (!shared_int) {
1864 /*
1865 * Disable the other interrupts to be reported in
1866 * the cause register and then force the other
1867 * interrupts and see if any get posted. If
1868 * an interrupt was posted to the bus, the
1869 * test failed.
1870 */
1871 adapter->test_icr = 0;
1872 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1873 ~mask & 0x00007FFF);
1874 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1875 ~mask & 0x00007FFF);
1876 IXGBE_WRITE_FLUSH(&adapter->hw);
1877 usleep_range(10000, 20000);
1878
1879 if (adapter->test_icr) {
1880 *data = 5;
1881 break;
1882 }
1883 }
1884 }
1885
1886 /* Disable all the interrupts */
1887 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1888 IXGBE_WRITE_FLUSH(&adapter->hw);
1889 usleep_range(10000, 20000);
1890
1891 /* Unhook test interrupt handler */
1892 free_irq(irq, netdev);
1893
1894 return *data;
1895 }
1896
ixgbe_free_desc_rings(struct ixgbe_adapter * adapter)1897 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1898 {
1899 /* Shut down the DMA engines now so they can be reinitialized later,
1900 * since the test rings and normally used rings should overlap on
1901 * queue 0 we can just use the standard disable Rx/Tx calls and they
1902 * will take care of disabling the test rings for us.
1903 */
1904
1905 /* first Rx */
1906 ixgbe_disable_rx(adapter);
1907
1908 /* now Tx */
1909 ixgbe_disable_tx(adapter);
1910
1911 ixgbe_reset(adapter);
1912
1913 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1914 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1915 }
1916
ixgbe_setup_desc_rings(struct ixgbe_adapter * adapter)1917 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1918 {
1919 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1920 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1921 struct ixgbe_hw *hw = &adapter->hw;
1922 u32 rctl, reg_data;
1923 int ret_val;
1924 int err;
1925
1926 /* Setup Tx descriptor ring and Tx buffers */
1927 tx_ring->count = IXGBE_DEFAULT_TXD;
1928 tx_ring->queue_index = 0;
1929 tx_ring->dev = &adapter->pdev->dev;
1930 tx_ring->netdev = adapter->netdev;
1931 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1932
1933 err = ixgbe_setup_tx_resources(tx_ring);
1934 if (err)
1935 return 1;
1936
1937 switch (adapter->hw.mac.type) {
1938 case ixgbe_mac_82599EB:
1939 case ixgbe_mac_X540:
1940 case ixgbe_mac_X550:
1941 case ixgbe_mac_X550EM_x:
1942 case ixgbe_mac_x550em_a:
1943 case ixgbe_mac_e610:
1944 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1945 reg_data |= IXGBE_DMATXCTL_TE;
1946 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1947 break;
1948 default:
1949 break;
1950 }
1951
1952 ixgbe_configure_tx_ring(adapter, tx_ring);
1953
1954 /* Setup Rx Descriptor ring and Rx buffers */
1955 rx_ring->count = IXGBE_DEFAULT_RXD;
1956 rx_ring->queue_index = 0;
1957 rx_ring->dev = &adapter->pdev->dev;
1958 rx_ring->netdev = adapter->netdev;
1959 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1960
1961 err = ixgbe_setup_rx_resources(adapter, rx_ring);
1962 if (err) {
1963 ret_val = 4;
1964 goto err_nomem;
1965 }
1966
1967 hw->mac.ops.disable_rx(hw);
1968
1969 ixgbe_configure_rx_ring(adapter, rx_ring);
1970
1971 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1972 rctl |= IXGBE_RXCTRL_DMBYPS;
1973 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1974
1975 hw->mac.ops.enable_rx(hw);
1976
1977 return 0;
1978
1979 err_nomem:
1980 ixgbe_free_desc_rings(adapter);
1981 return ret_val;
1982 }
1983
ixgbe_setup_loopback_test(struct ixgbe_adapter * adapter)1984 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1985 {
1986 struct ixgbe_hw *hw = &adapter->hw;
1987 u32 reg_data;
1988
1989
1990 /* Setup MAC loopback */
1991 reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1992 reg_data |= IXGBE_HLREG0_LPBK;
1993 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1994
1995 reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1996 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1997 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1998
1999 /* X540 and X550 needs to set the MACC.FLU bit to force link up */
2000 switch (adapter->hw.mac.type) {
2001 case ixgbe_mac_X540:
2002 case ixgbe_mac_X550:
2003 case ixgbe_mac_X550EM_x:
2004 case ixgbe_mac_x550em_a:
2005 case ixgbe_mac_e610:
2006 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
2007 reg_data |= IXGBE_MACC_FLU;
2008 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
2009 break;
2010 default:
2011 if (hw->mac.orig_autoc) {
2012 reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
2013 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
2014 } else {
2015 return 10;
2016 }
2017 }
2018 IXGBE_WRITE_FLUSH(hw);
2019 usleep_range(10000, 20000);
2020
2021 /* Disable Atlas Tx lanes; re-enabled in reset path */
2022 if (hw->mac.type == ixgbe_mac_82598EB) {
2023 u8 atlas;
2024
2025 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
2026 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
2027 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
2028
2029 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
2030 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
2031 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
2032
2033 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
2034 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
2035 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
2036
2037 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
2038 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
2039 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
2040 }
2041
2042 return 0;
2043 }
2044
ixgbe_loopback_cleanup(struct ixgbe_adapter * adapter)2045 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
2046 {
2047 u32 reg_data;
2048
2049 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
2050 reg_data &= ~IXGBE_HLREG0_LPBK;
2051 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
2052 }
2053
ixgbe_create_lbtest_frame(struct sk_buff * skb,unsigned int frame_size)2054 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
2055 unsigned int frame_size)
2056 {
2057 memset(skb->data, 0xFF, frame_size);
2058 frame_size >>= 1;
2059 memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
2060 skb->data[frame_size + 10] = 0xBE;
2061 skb->data[frame_size + 12] = 0xAF;
2062 }
2063
ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer * rx_buffer,unsigned int frame_size)2064 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
2065 unsigned int frame_size)
2066 {
2067 unsigned char *data;
2068
2069 frame_size >>= 1;
2070
2071 data = page_address(rx_buffer->page) + rx_buffer->page_offset;
2072
2073 return data[3] == 0xFF && data[frame_size + 10] == 0xBE &&
2074 data[frame_size + 12] == 0xAF;
2075 }
2076
ixgbe_clean_test_rings(struct ixgbe_ring * rx_ring,struct ixgbe_ring * tx_ring,unsigned int size)2077 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
2078 struct ixgbe_ring *tx_ring,
2079 unsigned int size)
2080 {
2081 union ixgbe_adv_rx_desc *rx_desc;
2082 u16 rx_ntc, tx_ntc, count = 0;
2083
2084 /* initialize next to clean and descriptor values */
2085 rx_ntc = rx_ring->next_to_clean;
2086 tx_ntc = tx_ring->next_to_clean;
2087 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2088
2089 while (tx_ntc != tx_ring->next_to_use) {
2090 union ixgbe_adv_tx_desc *tx_desc;
2091 struct ixgbe_tx_buffer *tx_buffer;
2092
2093 tx_desc = IXGBE_TX_DESC(tx_ring, tx_ntc);
2094
2095 /* if DD is not set transmit has not completed */
2096 if (!(tx_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
2097 return count;
2098
2099 /* unmap buffer on Tx side */
2100 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
2101
2102 /* Free all the Tx ring sk_buffs */
2103 dev_kfree_skb_any(tx_buffer->skb);
2104
2105 /* unmap skb header data */
2106 dma_unmap_single(tx_ring->dev,
2107 dma_unmap_addr(tx_buffer, dma),
2108 dma_unmap_len(tx_buffer, len),
2109 DMA_TO_DEVICE);
2110 dma_unmap_len_set(tx_buffer, len, 0);
2111
2112 /* increment Tx next to clean counter */
2113 tx_ntc++;
2114 if (tx_ntc == tx_ring->count)
2115 tx_ntc = 0;
2116 }
2117
2118 while (rx_desc->wb.upper.length) {
2119 struct ixgbe_rx_buffer *rx_buffer;
2120
2121 /* check Rx buffer */
2122 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
2123
2124 /* sync Rx buffer for CPU read */
2125 dma_sync_single_for_cpu(rx_ring->dev,
2126 rx_buffer->dma,
2127 ixgbe_rx_bufsz(rx_ring),
2128 DMA_FROM_DEVICE);
2129
2130 /* verify contents of skb */
2131 if (ixgbe_check_lbtest_frame(rx_buffer, size))
2132 count++;
2133 else
2134 break;
2135
2136 /* sync Rx buffer for device write */
2137 dma_sync_single_for_device(rx_ring->dev,
2138 rx_buffer->dma,
2139 ixgbe_rx_bufsz(rx_ring),
2140 DMA_FROM_DEVICE);
2141
2142 /* increment Rx next to clean counter */
2143 rx_ntc++;
2144 if (rx_ntc == rx_ring->count)
2145 rx_ntc = 0;
2146
2147 /* fetch next descriptor */
2148 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2149 }
2150
2151 netdev_tx_reset_queue(txring_txq(tx_ring));
2152
2153 /* re-map buffers to ring, store next to clean values */
2154 ixgbe_alloc_rx_buffers(rx_ring, count);
2155 rx_ring->next_to_clean = rx_ntc;
2156 tx_ring->next_to_clean = tx_ntc;
2157
2158 return count;
2159 }
2160
ixgbe_run_loopback_test(struct ixgbe_adapter * adapter)2161 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
2162 {
2163 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
2164 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
2165 int i, j, lc, good_cnt, ret_val = 0;
2166 unsigned int size = 1024;
2167 netdev_tx_t tx_ret_val;
2168 struct sk_buff *skb;
2169 u32 flags_orig = adapter->flags;
2170
2171 /* DCB can modify the frames on Tx */
2172 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
2173
2174 /* allocate test skb */
2175 skb = alloc_skb(size, GFP_KERNEL);
2176 if (!skb)
2177 return 11;
2178
2179 /* place data into test skb */
2180 ixgbe_create_lbtest_frame(skb, size);
2181 skb_put(skb, size);
2182
2183 /*
2184 * Calculate the loop count based on the largest descriptor ring
2185 * The idea is to wrap the largest ring a number of times using 64
2186 * send/receive pairs during each loop
2187 */
2188
2189 if (rx_ring->count <= tx_ring->count)
2190 lc = ((tx_ring->count / 64) * 2) + 1;
2191 else
2192 lc = ((rx_ring->count / 64) * 2) + 1;
2193
2194 for (j = 0; j <= lc; j++) {
2195 /* reset count of good packets */
2196 good_cnt = 0;
2197
2198 /* place 64 packets on the transmit queue*/
2199 for (i = 0; i < 64; i++) {
2200 skb_get(skb);
2201 tx_ret_val = ixgbe_xmit_frame_ring(skb,
2202 adapter,
2203 tx_ring);
2204 if (tx_ret_val == NETDEV_TX_OK)
2205 good_cnt++;
2206 }
2207
2208 if (good_cnt != 64) {
2209 ret_val = 12;
2210 break;
2211 }
2212
2213 /* allow 200 milliseconds for packets to go from Tx to Rx */
2214 msleep(200);
2215
2216 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2217 if (good_cnt != 64) {
2218 ret_val = 13;
2219 break;
2220 }
2221 }
2222
2223 /* free the original skb */
2224 kfree_skb(skb);
2225 adapter->flags = flags_orig;
2226
2227 return ret_val;
2228 }
2229
ixgbe_loopback_test(struct ixgbe_adapter * adapter,u64 * data)2230 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2231 {
2232 *data = ixgbe_setup_desc_rings(adapter);
2233 if (*data)
2234 goto out;
2235 *data = ixgbe_setup_loopback_test(adapter);
2236 if (*data)
2237 goto err_loopback;
2238 *data = ixgbe_run_loopback_test(adapter);
2239 ixgbe_loopback_cleanup(adapter);
2240
2241 err_loopback:
2242 ixgbe_free_desc_rings(adapter);
2243 out:
2244 return *data;
2245 }
2246
ixgbe_diag_test(struct net_device * netdev,struct ethtool_test * eth_test,u64 * data)2247 static void ixgbe_diag_test(struct net_device *netdev,
2248 struct ethtool_test *eth_test, u64 *data)
2249 {
2250 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2251 bool if_running = netif_running(netdev);
2252
2253 if (ixgbe_removed(adapter->hw.hw_addr)) {
2254 e_err(hw, "Adapter removed - test blocked\n");
2255 data[0] = 1;
2256 data[1] = 1;
2257 data[2] = 1;
2258 data[3] = 1;
2259 data[4] = 1;
2260 eth_test->flags |= ETH_TEST_FL_FAILED;
2261 return;
2262 }
2263 set_bit(__IXGBE_TESTING, &adapter->state);
2264 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2265 struct ixgbe_hw *hw = &adapter->hw;
2266
2267 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2268 int i;
2269 for (i = 0; i < adapter->num_vfs; i++) {
2270 if (adapter->vfinfo[i].clear_to_send) {
2271 netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2272 data[0] = 1;
2273 data[1] = 1;
2274 data[2] = 1;
2275 data[3] = 1;
2276 data[4] = 1;
2277 eth_test->flags |= ETH_TEST_FL_FAILED;
2278 clear_bit(__IXGBE_TESTING,
2279 &adapter->state);
2280 return;
2281 }
2282 }
2283 }
2284
2285 /* Offline tests */
2286 e_info(hw, "offline testing starting\n");
2287
2288 /* Link test performed before hardware reset so autoneg doesn't
2289 * interfere with test result
2290 */
2291 if (ixgbe_link_test(adapter, &data[4]))
2292 eth_test->flags |= ETH_TEST_FL_FAILED;
2293
2294 if (if_running)
2295 /* indicate we're in test mode */
2296 ixgbe_close(netdev);
2297 else
2298 ixgbe_reset(adapter);
2299
2300 e_info(hw, "register testing starting\n");
2301 if (ixgbe_reg_test(adapter, &data[0]))
2302 eth_test->flags |= ETH_TEST_FL_FAILED;
2303
2304 ixgbe_reset(adapter);
2305 e_info(hw, "eeprom testing starting\n");
2306 if (ixgbe_eeprom_test(adapter, &data[1]))
2307 eth_test->flags |= ETH_TEST_FL_FAILED;
2308
2309 ixgbe_reset(adapter);
2310 e_info(hw, "interrupt testing starting\n");
2311 if (ixgbe_intr_test(adapter, &data[2]))
2312 eth_test->flags |= ETH_TEST_FL_FAILED;
2313
2314 /* If SRIOV or VMDq is enabled then skip MAC
2315 * loopback diagnostic. */
2316 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2317 IXGBE_FLAG_VMDQ_ENABLED)) {
2318 e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2319 data[3] = 0;
2320 goto skip_loopback;
2321 }
2322
2323 ixgbe_reset(adapter);
2324 e_info(hw, "loopback testing starting\n");
2325 if (ixgbe_loopback_test(adapter, &data[3]))
2326 eth_test->flags |= ETH_TEST_FL_FAILED;
2327
2328 skip_loopback:
2329 ixgbe_reset(adapter);
2330
2331 /* clear testing bit and return adapter to previous state */
2332 clear_bit(__IXGBE_TESTING, &adapter->state);
2333 if (if_running)
2334 ixgbe_open(netdev);
2335 else if (hw->mac.ops.disable_tx_laser)
2336 hw->mac.ops.disable_tx_laser(hw);
2337 } else {
2338 e_info(hw, "online testing starting\n");
2339
2340 /* Online tests */
2341 if (ixgbe_link_test(adapter, &data[4]))
2342 eth_test->flags |= ETH_TEST_FL_FAILED;
2343
2344 /* Offline tests aren't run; pass by default */
2345 data[0] = 0;
2346 data[1] = 0;
2347 data[2] = 0;
2348 data[3] = 0;
2349
2350 clear_bit(__IXGBE_TESTING, &adapter->state);
2351 }
2352 }
2353
ixgbe_wol_exclusion(struct ixgbe_adapter * adapter,struct ethtool_wolinfo * wol)2354 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2355 struct ethtool_wolinfo *wol)
2356 {
2357 struct ixgbe_hw *hw = &adapter->hw;
2358 int retval = 0;
2359
2360 /* WOL not supported for all devices */
2361 if (!ixgbe_wol_supported(adapter, hw->device_id,
2362 hw->subsystem_device_id)) {
2363 retval = 1;
2364 wol->supported = 0;
2365 }
2366
2367 return retval;
2368 }
2369
ixgbe_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)2370 static void ixgbe_get_wol(struct net_device *netdev,
2371 struct ethtool_wolinfo *wol)
2372 {
2373 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2374
2375 wol->supported = WAKE_UCAST | WAKE_MCAST |
2376 WAKE_BCAST | WAKE_MAGIC;
2377 wol->wolopts = 0;
2378
2379 if (ixgbe_wol_exclusion(adapter, wol) ||
2380 !device_can_wakeup(&adapter->pdev->dev))
2381 return;
2382
2383 if (adapter->wol & IXGBE_WUFC_EX)
2384 wol->wolopts |= WAKE_UCAST;
2385 if (adapter->wol & IXGBE_WUFC_MC)
2386 wol->wolopts |= WAKE_MCAST;
2387 if (adapter->wol & IXGBE_WUFC_BC)
2388 wol->wolopts |= WAKE_BCAST;
2389 if (adapter->wol & IXGBE_WUFC_MAG)
2390 wol->wolopts |= WAKE_MAGIC;
2391 }
2392
ixgbe_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)2393 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2394 {
2395 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2396
2397 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE |
2398 WAKE_FILTER))
2399 return -EOPNOTSUPP;
2400
2401 if (ixgbe_wol_exclusion(adapter, wol))
2402 return wol->wolopts ? -EOPNOTSUPP : 0;
2403
2404 adapter->wol = 0;
2405
2406 if (wol->wolopts & WAKE_UCAST)
2407 adapter->wol |= IXGBE_WUFC_EX;
2408 if (wol->wolopts & WAKE_MCAST)
2409 adapter->wol |= IXGBE_WUFC_MC;
2410 if (wol->wolopts & WAKE_BCAST)
2411 adapter->wol |= IXGBE_WUFC_BC;
2412 if (wol->wolopts & WAKE_MAGIC)
2413 adapter->wol |= IXGBE_WUFC_MAG;
2414
2415 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2416
2417 return 0;
2418 }
2419
ixgbe_set_wol_acpi(struct net_device * netdev,struct ethtool_wolinfo * wol)2420 static int ixgbe_set_wol_acpi(struct net_device *netdev,
2421 struct ethtool_wolinfo *wol)
2422 {
2423 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2424 struct ixgbe_hw *hw = &adapter->hw;
2425 u32 grc;
2426
2427 if (ixgbe_wol_exclusion(adapter, wol))
2428 return wol->wolopts ? -EOPNOTSUPP : 0;
2429
2430 /* disable APM wakeup */
2431 grc = IXGBE_READ_REG(hw, IXGBE_GRC_X550EM_a);
2432 grc &= ~IXGBE_GRC_APME;
2433 IXGBE_WRITE_REG(hw, IXGBE_GRC_X550EM_a, grc);
2434
2435 /* erase existing filters */
2436 IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
2437 adapter->wol = 0;
2438
2439 if (wol->wolopts & WAKE_UCAST)
2440 adapter->wol |= IXGBE_WUFC_EX;
2441 if (wol->wolopts & WAKE_MCAST)
2442 adapter->wol |= IXGBE_WUFC_MC;
2443 if (wol->wolopts & WAKE_BCAST)
2444 adapter->wol |= IXGBE_WUFC_BC;
2445
2446 IXGBE_WRITE_REG(hw, IXGBE_WUC, IXGBE_WUC_PME_EN);
2447 IXGBE_WRITE_REG(hw, IXGBE_WUFC, adapter->wol);
2448
2449 hw->wol_enabled = adapter->wol;
2450 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2451
2452 return 0;
2453 }
2454
ixgbe_set_wol_e610(struct net_device * netdev,struct ethtool_wolinfo * wol)2455 static int ixgbe_set_wol_e610(struct net_device *netdev,
2456 struct ethtool_wolinfo *wol)
2457 {
2458 if (wol->wolopts & (WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
2459 return ixgbe_set_wol_acpi(netdev, wol);
2460 else
2461 return ixgbe_set_wol(netdev, wol);
2462 }
2463
ixgbe_nway_reset(struct net_device * netdev)2464 static int ixgbe_nway_reset(struct net_device *netdev)
2465 {
2466 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2467
2468 if (netif_running(netdev))
2469 ixgbe_reinit_locked(adapter);
2470
2471 return 0;
2472 }
2473
ixgbe_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)2474 static int ixgbe_set_phys_id(struct net_device *netdev,
2475 enum ethtool_phys_id_state state)
2476 {
2477 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2478 struct ixgbe_hw *hw = &adapter->hw;
2479
2480 if (!hw->mac.ops.led_on || !hw->mac.ops.led_off)
2481 return -EOPNOTSUPP;
2482
2483 switch (state) {
2484 case ETHTOOL_ID_ACTIVE:
2485 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2486 return 2;
2487
2488 case ETHTOOL_ID_ON:
2489 hw->mac.ops.led_on(hw, hw->mac.led_link_act);
2490 break;
2491
2492 case ETHTOOL_ID_OFF:
2493 hw->mac.ops.led_off(hw, hw->mac.led_link_act);
2494 break;
2495
2496 case ETHTOOL_ID_INACTIVE:
2497 /* Restore LED settings */
2498 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2499 break;
2500 }
2501
2502 return 0;
2503 }
2504
ixgbe_set_phys_id_e610(struct net_device * netdev,enum ethtool_phys_id_state state)2505 static int ixgbe_set_phys_id_e610(struct net_device *netdev,
2506 enum ethtool_phys_id_state state)
2507 {
2508 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2509 bool led_active;
2510
2511 switch (state) {
2512 case ETHTOOL_ID_ACTIVE:
2513 led_active = true;
2514 break;
2515 case ETHTOOL_ID_INACTIVE:
2516 led_active = false;
2517 break;
2518 default:
2519 return -EOPNOTSUPP;
2520 }
2521
2522 return ixgbe_aci_set_port_id_led(&adapter->hw, !led_active);
2523 }
2524
ixgbe_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2525 static int ixgbe_get_coalesce(struct net_device *netdev,
2526 struct ethtool_coalesce *ec,
2527 struct kernel_ethtool_coalesce *kernel_coal,
2528 struct netlink_ext_ack *extack)
2529 {
2530 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2531
2532 /* only valid if in constant ITR mode */
2533 if (adapter->rx_itr_setting <= 1)
2534 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2535 else
2536 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2537
2538 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2539 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2540 return 0;
2541
2542 /* only valid if in constant ITR mode */
2543 if (adapter->tx_itr_setting <= 1)
2544 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2545 else
2546 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2547
2548 return 0;
2549 }
2550
2551 /*
2552 * this function must be called before setting the new value of
2553 * rx_itr_setting
2554 */
ixgbe_update_rsc(struct ixgbe_adapter * adapter)2555 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2556 {
2557 struct net_device *netdev = adapter->netdev;
2558
2559 /* nothing to do if LRO or RSC are not enabled */
2560 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2561 !(netdev->features & NETIF_F_LRO))
2562 return false;
2563
2564 /* check the feature flag value and enable RSC if necessary */
2565 if (adapter->rx_itr_setting == 1 ||
2566 adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2567 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2568 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2569 e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2570 return true;
2571 }
2572 /* if interrupt rate is too high then disable RSC */
2573 } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2574 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2575 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2576 return true;
2577 }
2578 return false;
2579 }
2580
ixgbe_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * ec,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)2581 static int ixgbe_set_coalesce(struct net_device *netdev,
2582 struct ethtool_coalesce *ec,
2583 struct kernel_ethtool_coalesce *kernel_coal,
2584 struct netlink_ext_ack *extack)
2585 {
2586 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
2587 struct ixgbe_q_vector *q_vector;
2588 int i;
2589 u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2590 bool need_reset = false;
2591
2592 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2593 /* reject Tx specific changes in case of mixed RxTx vectors */
2594 if (ec->tx_coalesce_usecs)
2595 return -EINVAL;
2596 tx_itr_prev = adapter->rx_itr_setting;
2597 } else {
2598 tx_itr_prev = adapter->tx_itr_setting;
2599 }
2600
2601 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2602 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2603 return -EINVAL;
2604
2605 if (ec->rx_coalesce_usecs > 1)
2606 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2607 else
2608 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2609
2610 if (adapter->rx_itr_setting == 1)
2611 rx_itr_param = IXGBE_20K_ITR;
2612 else
2613 rx_itr_param = adapter->rx_itr_setting;
2614
2615 if (ec->tx_coalesce_usecs > 1)
2616 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2617 else
2618 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2619
2620 if (adapter->tx_itr_setting == 1)
2621 tx_itr_param = IXGBE_12K_ITR;
2622 else
2623 tx_itr_param = adapter->tx_itr_setting;
2624
2625 /* mixed Rx/Tx */
2626 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2627 adapter->tx_itr_setting = adapter->rx_itr_setting;
2628
2629 /* detect ITR changes that require update of TXDCTL.WTHRESH */
2630 if ((adapter->tx_itr_setting != 1) &&
2631 (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2632 if ((tx_itr_prev == 1) ||
2633 (tx_itr_prev >= IXGBE_100K_ITR))
2634 need_reset = true;
2635 } else {
2636 if ((tx_itr_prev != 1) &&
2637 (tx_itr_prev < IXGBE_100K_ITR))
2638 need_reset = true;
2639 }
2640
2641 /* check the old value and enable RSC if necessary */
2642 need_reset |= ixgbe_update_rsc(adapter);
2643
2644 for (i = 0; i < adapter->num_q_vectors; i++) {
2645 q_vector = adapter->q_vector[i];
2646 if (q_vector->tx.count && !q_vector->rx.count)
2647 /* tx only */
2648 q_vector->itr = tx_itr_param;
2649 else
2650 /* rx only or mixed */
2651 q_vector->itr = rx_itr_param;
2652 ixgbe_write_eitr(q_vector);
2653 }
2654
2655 /*
2656 * do reset here at the end to make sure EITR==0 case is handled
2657 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2658 * also locks in RSC enable/disable which requires reset
2659 */
2660 if (need_reset)
2661 ixgbe_do_reset(netdev);
2662
2663 return 0;
2664 }
2665
ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)2666 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2667 struct ethtool_rxnfc *cmd)
2668 {
2669 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2670 struct ethtool_rx_flow_spec *fsp =
2671 (struct ethtool_rx_flow_spec *)&cmd->fs;
2672 struct hlist_node *node2;
2673 struct ixgbe_fdir_filter *rule = NULL;
2674
2675 /* report total rule count */
2676 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2677
2678 hlist_for_each_entry_safe(rule, node2,
2679 &adapter->fdir_filter_list, fdir_node) {
2680 if (fsp->location <= rule->sw_idx)
2681 break;
2682 }
2683
2684 if (!rule || fsp->location != rule->sw_idx)
2685 return -EINVAL;
2686
2687 /* fill out the flow spec entry */
2688
2689 /* set flow type field */
2690 switch (rule->filter.formatted.flow_type) {
2691 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2692 fsp->flow_type = TCP_V4_FLOW;
2693 break;
2694 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2695 fsp->flow_type = UDP_V4_FLOW;
2696 break;
2697 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2698 fsp->flow_type = SCTP_V4_FLOW;
2699 break;
2700 case IXGBE_ATR_FLOW_TYPE_IPV4:
2701 fsp->flow_type = IP_USER_FLOW;
2702 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2703 fsp->h_u.usr_ip4_spec.proto = 0;
2704 fsp->m_u.usr_ip4_spec.proto = 0;
2705 break;
2706 default:
2707 return -EINVAL;
2708 }
2709
2710 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2711 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2712 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2713 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2714 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2715 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2716 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2717 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2718 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2719 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2720 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2721 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2722 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2723 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2724 fsp->flow_type |= FLOW_EXT;
2725
2726 /* record action */
2727 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2728 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2729 else
2730 fsp->ring_cookie = rule->action;
2731
2732 return 0;
2733 }
2734
ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd,u32 * rule_locs)2735 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2736 struct ethtool_rxnfc *cmd,
2737 u32 *rule_locs)
2738 {
2739 struct hlist_node *node2;
2740 struct ixgbe_fdir_filter *rule;
2741 int cnt = 0;
2742
2743 /* report total rule count */
2744 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2745
2746 hlist_for_each_entry_safe(rule, node2,
2747 &adapter->fdir_filter_list, fdir_node) {
2748 if (cnt == cmd->rule_cnt)
2749 return -EMSGSIZE;
2750 rule_locs[cnt] = rule->sw_idx;
2751 cnt++;
2752 }
2753
2754 cmd->rule_cnt = cnt;
2755
2756 return 0;
2757 }
2758
ixgbe_get_rxfh_fields(struct net_device * dev,struct ethtool_rxfh_fields * cmd)2759 static int ixgbe_get_rxfh_fields(struct net_device *dev,
2760 struct ethtool_rxfh_fields *cmd)
2761 {
2762 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2763
2764 cmd->data = 0;
2765
2766 /* Report default options for RSS on ixgbe */
2767 switch (cmd->flow_type) {
2768 case TCP_V4_FLOW:
2769 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2770 fallthrough;
2771 case UDP_V4_FLOW:
2772 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2773 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2774 fallthrough;
2775 case SCTP_V4_FLOW:
2776 case AH_ESP_V4_FLOW:
2777 case AH_V4_FLOW:
2778 case ESP_V4_FLOW:
2779 case IPV4_FLOW:
2780 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2781 break;
2782 case TCP_V6_FLOW:
2783 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2784 fallthrough;
2785 case UDP_V6_FLOW:
2786 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2787 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2788 fallthrough;
2789 case SCTP_V6_FLOW:
2790 case AH_ESP_V6_FLOW:
2791 case AH_V6_FLOW:
2792 case ESP_V6_FLOW:
2793 case IPV6_FLOW:
2794 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2795 break;
2796 default:
2797 return -EINVAL;
2798 }
2799
2800 return 0;
2801 }
2802
ixgbe_rss_indir_tbl_max(struct ixgbe_adapter * adapter)2803 static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2804 {
2805 if (adapter->hw.mac.type < ixgbe_mac_X550)
2806 return 16;
2807 else
2808 return 64;
2809 }
2810
ixgbe_get_rx_ring_count(struct net_device * dev)2811 static u32 ixgbe_get_rx_ring_count(struct net_device *dev)
2812 {
2813 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2814
2815 return min_t(u32, adapter->num_rx_queues,
2816 ixgbe_rss_indir_tbl_max(adapter));
2817 }
2818
ixgbe_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd,u32 * rule_locs)2819 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2820 u32 *rule_locs)
2821 {
2822 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
2823 int ret = -EOPNOTSUPP;
2824
2825 switch (cmd->cmd) {
2826 case ETHTOOL_GRXCLSRLCNT:
2827 cmd->rule_cnt = adapter->fdir_filter_count;
2828 ret = 0;
2829 break;
2830 case ETHTOOL_GRXCLSRULE:
2831 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2832 break;
2833 case ETHTOOL_GRXCLSRLALL:
2834 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2835 break;
2836 default:
2837 break;
2838 }
2839
2840 return ret;
2841 }
2842
ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ixgbe_fdir_filter * input,u16 sw_idx)2843 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2844 struct ixgbe_fdir_filter *input,
2845 u16 sw_idx)
2846 {
2847 struct ixgbe_hw *hw = &adapter->hw;
2848 struct hlist_node *node2;
2849 struct ixgbe_fdir_filter *rule, *parent;
2850 int err = -EINVAL;
2851
2852 parent = NULL;
2853 rule = NULL;
2854
2855 hlist_for_each_entry_safe(rule, node2,
2856 &adapter->fdir_filter_list, fdir_node) {
2857 /* hash found, or no matching entry */
2858 if (rule->sw_idx >= sw_idx)
2859 break;
2860 parent = rule;
2861 }
2862
2863 /* if there is an old rule occupying our place remove it */
2864 if (rule && (rule->sw_idx == sw_idx)) {
2865 if (!input || (rule->filter.formatted.bkt_hash !=
2866 input->filter.formatted.bkt_hash)) {
2867 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2868 &rule->filter,
2869 sw_idx);
2870 }
2871
2872 hlist_del(&rule->fdir_node);
2873 kfree(rule);
2874 adapter->fdir_filter_count--;
2875 }
2876
2877 /*
2878 * If no input this was a delete, err should be 0 if a rule was
2879 * successfully found and removed from the list else -EINVAL
2880 */
2881 if (!input)
2882 return err;
2883
2884 /* initialize node and set software index */
2885 INIT_HLIST_NODE(&input->fdir_node);
2886
2887 /* add filter to the list */
2888 if (parent)
2889 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2890 else
2891 hlist_add_head(&input->fdir_node,
2892 &adapter->fdir_filter_list);
2893
2894 /* update counts */
2895 adapter->fdir_filter_count++;
2896
2897 return 0;
2898 }
2899
ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec * fsp,u8 * flow_type)2900 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2901 u8 *flow_type)
2902 {
2903 switch (fsp->flow_type & ~FLOW_EXT) {
2904 case TCP_V4_FLOW:
2905 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2906 break;
2907 case UDP_V4_FLOW:
2908 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2909 break;
2910 case SCTP_V4_FLOW:
2911 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2912 break;
2913 case IP_USER_FLOW:
2914 switch (fsp->h_u.usr_ip4_spec.proto) {
2915 case IPPROTO_TCP:
2916 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2917 break;
2918 case IPPROTO_UDP:
2919 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2920 break;
2921 case IPPROTO_SCTP:
2922 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2923 break;
2924 case 0:
2925 if (!fsp->m_u.usr_ip4_spec.proto) {
2926 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2927 break;
2928 }
2929 fallthrough;
2930 default:
2931 return 0;
2932 }
2933 break;
2934 default:
2935 return 0;
2936 }
2937
2938 return 1;
2939 }
2940
ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)2941 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2942 struct ethtool_rxnfc *cmd)
2943 {
2944 struct ethtool_rx_flow_spec *fsp =
2945 (struct ethtool_rx_flow_spec *)&cmd->fs;
2946 struct ixgbe_hw *hw = &adapter->hw;
2947 struct ixgbe_fdir_filter *input;
2948 union ixgbe_atr_input mask;
2949 u8 queue;
2950 int err;
2951
2952 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2953 return -EOPNOTSUPP;
2954
2955 /* ring_cookie is a masked into a set of queues and ixgbe pools or
2956 * we use the drop index.
2957 */
2958 if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2959 queue = IXGBE_FDIR_DROP_QUEUE;
2960 } else {
2961 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2962 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2963
2964 if (!vf && (ring >= adapter->num_rx_queues))
2965 return -EINVAL;
2966 else if (vf &&
2967 ((vf > adapter->num_vfs) ||
2968 ring >= adapter->num_rx_queues_per_pool))
2969 return -EINVAL;
2970
2971 /* Map the ring onto the absolute queue index */
2972 if (!vf)
2973 queue = adapter->rx_ring[ring]->reg_idx;
2974 else
2975 queue = ((vf - 1) *
2976 adapter->num_rx_queues_per_pool) + ring;
2977 }
2978
2979 /* Don't allow indexes to exist outside of available space */
2980 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2981 e_err(drv, "Location out of range\n");
2982 return -EINVAL;
2983 }
2984
2985 input = kzalloc_obj(*input, GFP_ATOMIC);
2986 if (!input)
2987 return -ENOMEM;
2988
2989 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2990
2991 /* set SW index */
2992 input->sw_idx = fsp->location;
2993
2994 /* record flow type */
2995 if (!ixgbe_flowspec_to_flow_type(fsp,
2996 &input->filter.formatted.flow_type)) {
2997 e_err(drv, "Unrecognized flow type\n");
2998 goto err_out;
2999 }
3000
3001 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
3002 IXGBE_ATR_L4TYPE_MASK;
3003
3004 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
3005 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
3006
3007 /* Copy input into formatted structures */
3008 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
3009 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
3010 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
3011 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
3012 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
3013 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
3014 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
3015 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
3016
3017 if (fsp->flow_type & FLOW_EXT) {
3018 input->filter.formatted.vm_pool =
3019 (unsigned char)ntohl(fsp->h_ext.data[1]);
3020 mask.formatted.vm_pool =
3021 (unsigned char)ntohl(fsp->m_ext.data[1]);
3022 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
3023 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
3024 input->filter.formatted.flex_bytes =
3025 fsp->h_ext.vlan_etype;
3026 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
3027 }
3028
3029 /* determine if we need to drop or route the packet */
3030 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
3031 input->action = IXGBE_FDIR_DROP_QUEUE;
3032 else
3033 input->action = fsp->ring_cookie;
3034
3035 spin_lock(&adapter->fdir_perfect_lock);
3036
3037 if (hlist_empty(&adapter->fdir_filter_list)) {
3038 /* save mask and program input mask into HW */
3039 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
3040 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
3041 if (err) {
3042 e_err(drv, "Error writing mask\n");
3043 goto err_out_w_lock;
3044 }
3045 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
3046 e_err(drv, "Only one mask supported per port\n");
3047 goto err_out_w_lock;
3048 }
3049
3050 /* apply mask and compute/store hash */
3051 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
3052
3053 /* program filters to filter memory */
3054 err = ixgbe_fdir_write_perfect_filter_82599(hw,
3055 &input->filter, input->sw_idx, queue);
3056 if (err)
3057 goto err_out_w_lock;
3058
3059 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
3060
3061 spin_unlock(&adapter->fdir_perfect_lock);
3062
3063 return err;
3064 err_out_w_lock:
3065 spin_unlock(&adapter->fdir_perfect_lock);
3066 err_out:
3067 kfree(input);
3068 return -EINVAL;
3069 }
3070
ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter * adapter,struct ethtool_rxnfc * cmd)3071 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
3072 struct ethtool_rxnfc *cmd)
3073 {
3074 struct ethtool_rx_flow_spec *fsp =
3075 (struct ethtool_rx_flow_spec *)&cmd->fs;
3076 int err;
3077
3078 spin_lock(&adapter->fdir_perfect_lock);
3079 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
3080 spin_unlock(&adapter->fdir_perfect_lock);
3081
3082 return err;
3083 }
3084
3085 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
3086 IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
ixgbe_set_rxfh_fields(struct net_device * dev,const struct ethtool_rxfh_fields * nfc,struct netlink_ext_ack * extack)3087 static int ixgbe_set_rxfh_fields(struct net_device *dev,
3088 const struct ethtool_rxfh_fields *nfc,
3089 struct netlink_ext_ack *extack)
3090 {
3091 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3092 u32 flags2 = adapter->flags2;
3093
3094 /*
3095 * RSS does not support anything other than hashing
3096 * to queues on src and dst IPs and ports
3097 */
3098 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
3099 RXH_L4_B_0_1 | RXH_L4_B_2_3))
3100 return -EINVAL;
3101
3102 switch (nfc->flow_type) {
3103 case TCP_V4_FLOW:
3104 case TCP_V6_FLOW:
3105 if (!(nfc->data & RXH_IP_SRC) ||
3106 !(nfc->data & RXH_IP_DST) ||
3107 !(nfc->data & RXH_L4_B_0_1) ||
3108 !(nfc->data & RXH_L4_B_2_3))
3109 return -EINVAL;
3110 break;
3111 case UDP_V4_FLOW:
3112 if (!(nfc->data & RXH_IP_SRC) ||
3113 !(nfc->data & RXH_IP_DST))
3114 return -EINVAL;
3115 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3116 case 0:
3117 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
3118 break;
3119 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
3120 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
3121 break;
3122 default:
3123 return -EINVAL;
3124 }
3125 break;
3126 case UDP_V6_FLOW:
3127 if (!(nfc->data & RXH_IP_SRC) ||
3128 !(nfc->data & RXH_IP_DST))
3129 return -EINVAL;
3130 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3131 case 0:
3132 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
3133 break;
3134 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
3135 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
3136 break;
3137 default:
3138 return -EINVAL;
3139 }
3140 break;
3141 case AH_ESP_V4_FLOW:
3142 case AH_V4_FLOW:
3143 case ESP_V4_FLOW:
3144 case SCTP_V4_FLOW:
3145 case AH_ESP_V6_FLOW:
3146 case AH_V6_FLOW:
3147 case ESP_V6_FLOW:
3148 case SCTP_V6_FLOW:
3149 if (!(nfc->data & RXH_IP_SRC) ||
3150 !(nfc->data & RXH_IP_DST) ||
3151 (nfc->data & RXH_L4_B_0_1) ||
3152 (nfc->data & RXH_L4_B_2_3))
3153 return -EINVAL;
3154 break;
3155 default:
3156 return -EINVAL;
3157 }
3158
3159 /* if we changed something we need to update flags */
3160 if (flags2 != adapter->flags2) {
3161 struct ixgbe_hw *hw = &adapter->hw;
3162 u32 mrqc;
3163 unsigned int pf_pool = adapter->num_vfs;
3164
3165 if ((hw->mac.type >= ixgbe_mac_X550) &&
3166 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3167 mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
3168 else
3169 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
3170
3171 if ((flags2 & UDP_RSS_FLAGS) &&
3172 !(adapter->flags2 & UDP_RSS_FLAGS))
3173 e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
3174
3175 adapter->flags2 = flags2;
3176
3177 /* Perform hash on these packet types */
3178 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
3179 | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
3180 | IXGBE_MRQC_RSS_FIELD_IPV6
3181 | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3182
3183 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
3184 IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
3185
3186 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
3187 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3188
3189 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
3190 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3191
3192 if ((hw->mac.type >= ixgbe_mac_X550) &&
3193 (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3194 IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
3195 else
3196 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3197 }
3198
3199 return 0;
3200 }
3201
ixgbe_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * cmd)3202 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3203 {
3204 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3205 int ret = -EOPNOTSUPP;
3206
3207 switch (cmd->cmd) {
3208 case ETHTOOL_SRXCLSRLINS:
3209 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
3210 break;
3211 case ETHTOOL_SRXCLSRLDEL:
3212 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
3213 break;
3214 default:
3215 break;
3216 }
3217
3218 return ret;
3219 }
3220
ixgbe_get_rxfh_key_size(struct net_device * netdev)3221 static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
3222 {
3223 return IXGBE_RSS_KEY_SIZE;
3224 }
3225
ixgbe_rss_indir_size(struct net_device * netdev)3226 static u32 ixgbe_rss_indir_size(struct net_device *netdev)
3227 {
3228 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3229
3230 return ixgbe_rss_indir_tbl_entries(adapter);
3231 }
3232
ixgbe_get_reta(struct ixgbe_adapter * adapter,u32 * indir)3233 static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
3234 {
3235 int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
3236 u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
3237
3238 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3239 rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
3240
3241 for (i = 0; i < reta_size; i++)
3242 indir[i] = adapter->rss_indir_tbl[i] & rss_m;
3243 }
3244
ixgbe_get_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh)3245 static int ixgbe_get_rxfh(struct net_device *netdev,
3246 struct ethtool_rxfh_param *rxfh)
3247 {
3248 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3249
3250 rxfh->hfunc = ETH_RSS_HASH_TOP;
3251
3252 if (rxfh->indir)
3253 ixgbe_get_reta(adapter, rxfh->indir);
3254
3255 if (rxfh->key)
3256 memcpy(rxfh->key, adapter->rss_key,
3257 ixgbe_get_rxfh_key_size(netdev));
3258
3259 return 0;
3260 }
3261
ixgbe_set_rxfh(struct net_device * netdev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)3262 static int ixgbe_set_rxfh(struct net_device *netdev,
3263 struct ethtool_rxfh_param *rxfh,
3264 struct netlink_ext_ack *extack)
3265 {
3266 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3267 int i;
3268 u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
3269
3270 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
3271 rxfh->hfunc != ETH_RSS_HASH_TOP)
3272 return -EOPNOTSUPP;
3273
3274 /* Fill out the redirection table */
3275 if (rxfh->indir) {
3276 int max_queues = min_t(int, adapter->num_rx_queues,
3277 ixgbe_rss_indir_tbl_max(adapter));
3278
3279 /*Allow at least 2 queues w/ SR-IOV.*/
3280 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
3281 (max_queues < 2))
3282 max_queues = 2;
3283
3284 /* Verify user input. */
3285 for (i = 0; i < reta_entries; i++)
3286 if (rxfh->indir[i] >= max_queues)
3287 return -EINVAL;
3288
3289 for (i = 0; i < reta_entries; i++)
3290 adapter->rss_indir_tbl[i] = rxfh->indir[i];
3291
3292 ixgbe_store_reta(adapter);
3293 }
3294
3295 /* Fill out the rss hash key */
3296 if (rxfh->key) {
3297 memcpy(adapter->rss_key, rxfh->key,
3298 ixgbe_get_rxfh_key_size(netdev));
3299 ixgbe_store_key(adapter);
3300 }
3301
3302 return 0;
3303 }
3304
ixgbe_get_ts_info(struct net_device * dev,struct kernel_ethtool_ts_info * info)3305 static int ixgbe_get_ts_info(struct net_device *dev,
3306 struct kernel_ethtool_ts_info *info)
3307 {
3308 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3309
3310 /* we always support timestamping disabled */
3311 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3312
3313 switch (adapter->hw.mac.type) {
3314 case ixgbe_mac_X550:
3315 case ixgbe_mac_X550EM_x:
3316 case ixgbe_mac_x550em_a:
3317 case ixgbe_mac_e610:
3318 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3319 break;
3320 case ixgbe_mac_X540:
3321 case ixgbe_mac_82599EB:
3322 info->rx_filters |=
3323 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3324 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3325 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3326 break;
3327 default:
3328 return ethtool_op_get_ts_info(dev, info);
3329 }
3330
3331 info->so_timestamping =
3332 SOF_TIMESTAMPING_TX_SOFTWARE |
3333 SOF_TIMESTAMPING_TX_HARDWARE |
3334 SOF_TIMESTAMPING_RX_HARDWARE |
3335 SOF_TIMESTAMPING_RAW_HARDWARE;
3336
3337 if (adapter->ptp_clock)
3338 info->phc_index = ptp_clock_index(adapter->ptp_clock);
3339
3340 info->tx_types =
3341 BIT(HWTSTAMP_TX_OFF) |
3342 BIT(HWTSTAMP_TX_ON);
3343
3344 return 0;
3345 }
3346
ixgbe_max_channels(struct ixgbe_adapter * adapter)3347 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3348 {
3349 unsigned int max_combined;
3350 u8 tcs = adapter->hw_tcs;
3351
3352 if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3353 /* We only support one q_vector without MSI-X */
3354 max_combined = 1;
3355 } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3356 /* Limit value based on the queue mask */
3357 max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3358 } else if (tcs > 1) {
3359 /* For DCB report channels per traffic class */
3360 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3361 /* 8 TC w/ 4 queues per TC */
3362 max_combined = 4;
3363 } else if (tcs > 4) {
3364 /* 8 TC w/ 8 queues per TC */
3365 max_combined = 8;
3366 } else {
3367 /* 4 TC w/ 16 queues per TC */
3368 max_combined = 16;
3369 }
3370 } else if (adapter->atr_sample_rate) {
3371 /* support up to 64 queues with ATR */
3372 max_combined = IXGBE_MAX_FDIR_INDICES;
3373 } else {
3374 /* support up to 16 queues with RSS */
3375 max_combined = ixgbe_max_rss_indices(adapter);
3376 }
3377
3378 return min_t(int, max_combined, num_online_cpus());
3379 }
3380
ixgbe_get_channels(struct net_device * dev,struct ethtool_channels * ch)3381 static void ixgbe_get_channels(struct net_device *dev,
3382 struct ethtool_channels *ch)
3383 {
3384 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3385
3386 /* report maximum channels */
3387 ch->max_combined = ixgbe_max_channels(adapter);
3388
3389 /* report info for other vector */
3390 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3391 ch->max_other = NON_Q_VECTORS;
3392 ch->other_count = NON_Q_VECTORS;
3393 }
3394
3395 /* record RSS queues */
3396 ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3397
3398 /* nothing else to report if RSS is disabled */
3399 if (ch->combined_count == 1)
3400 return;
3401
3402 /* we do not support ATR queueing if SR-IOV is enabled */
3403 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3404 return;
3405
3406 /* same thing goes for being DCB enabled */
3407 if (adapter->hw_tcs > 1)
3408 return;
3409
3410 /* if ATR is disabled we can exit */
3411 if (!adapter->atr_sample_rate)
3412 return;
3413
3414 /* report flow director queues as maximum channels */
3415 ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3416 }
3417
ixgbe_set_channels(struct net_device * dev,struct ethtool_channels * ch)3418 static int ixgbe_set_channels(struct net_device *dev,
3419 struct ethtool_channels *ch)
3420 {
3421 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3422 unsigned int count = ch->combined_count;
3423 u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3424
3425 /* verify they are not requesting separate vectors */
3426 if (!count || ch->rx_count || ch->tx_count)
3427 return -EINVAL;
3428
3429 /* verify other_count has not changed */
3430 if (ch->other_count != NON_Q_VECTORS)
3431 return -EINVAL;
3432
3433 /* verify the number of channels does not exceed hardware limits */
3434 if (count > ixgbe_max_channels(adapter))
3435 return -EINVAL;
3436
3437 /* update feature limits from largest to smallest supported values */
3438 adapter->ring_feature[RING_F_FDIR].limit = count;
3439
3440 /* cap RSS limit */
3441 if (count > max_rss_indices)
3442 count = max_rss_indices;
3443 adapter->ring_feature[RING_F_RSS].limit = count;
3444
3445 #ifdef IXGBE_FCOE
3446 /* cap FCoE limit at 8 */
3447 if (count > IXGBE_FCRETA_SIZE)
3448 count = IXGBE_FCRETA_SIZE;
3449 adapter->ring_feature[RING_F_FCOE].limit = count;
3450
3451 #endif
3452 /* use setup TC to update any traffic class queue mapping */
3453 return ixgbe_setup_tc(dev, adapter->hw_tcs);
3454 }
3455
ixgbe_get_module_info(struct net_device * dev,struct ethtool_modinfo * modinfo)3456 static int ixgbe_get_module_info(struct net_device *dev,
3457 struct ethtool_modinfo *modinfo)
3458 {
3459 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3460 struct ixgbe_hw *hw = &adapter->hw;
3461 u8 sff8472_rev, addr_mode;
3462 bool page_swap = false;
3463 int status;
3464
3465 if (hw->phy.type == ixgbe_phy_fw)
3466 return -ENXIO;
3467
3468 /* Check whether we support SFF-8472 or not */
3469 status = hw->phy.ops.read_i2c_eeprom(hw,
3470 IXGBE_SFF_SFF_8472_COMP,
3471 &sff8472_rev);
3472 if (status)
3473 return -EIO;
3474
3475 /* addressing mode is not supported */
3476 status = hw->phy.ops.read_i2c_eeprom(hw,
3477 IXGBE_SFF_SFF_8472_SWAP,
3478 &addr_mode);
3479 if (status)
3480 return -EIO;
3481
3482 if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3483 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3484 page_swap = true;
3485 }
3486
3487 if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3488 !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3489 /* We have a SFP, but it does not support SFF-8472 */
3490 modinfo->type = ETH_MODULE_SFF_8079;
3491 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3492 } else {
3493 /* We have a SFP which supports a revision of SFF-8472. */
3494 modinfo->type = ETH_MODULE_SFF_8472;
3495 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3496 }
3497
3498 return 0;
3499 }
3500
ixgbe_get_module_eeprom(struct net_device * dev,struct ethtool_eeprom * ee,u8 * data)3501 static int ixgbe_get_module_eeprom(struct net_device *dev,
3502 struct ethtool_eeprom *ee,
3503 u8 *data)
3504 {
3505 struct ixgbe_adapter *adapter = ixgbe_from_netdev(dev);
3506 struct ixgbe_hw *hw = &adapter->hw;
3507 int status = -EFAULT;
3508 u8 databyte = 0xFF;
3509 int i = 0;
3510
3511 if (ee->len == 0)
3512 return -EINVAL;
3513
3514 if (hw->phy.type == ixgbe_phy_fw)
3515 return -ENXIO;
3516
3517 for (i = ee->offset; i < ee->offset + ee->len; i++) {
3518 /* I2C reads can take long time */
3519 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3520 return -EBUSY;
3521
3522 if (i < ETH_MODULE_SFF_8079_LEN)
3523 status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3524 else
3525 status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3526
3527 if (status)
3528 return -EIO;
3529
3530 data[i - ee->offset] = databyte;
3531 }
3532
3533 return 0;
3534 }
3535
3536 static const struct {
3537 ixgbe_link_speed mac_speed;
3538 u32 link_mode;
3539 } ixgbe_ls_map[] = {
3540 { IXGBE_LINK_SPEED_10_FULL, ETHTOOL_LINK_MODE_10baseT_Full_BIT },
3541 { IXGBE_LINK_SPEED_100_FULL, ETHTOOL_LINK_MODE_100baseT_Full_BIT },
3542 { IXGBE_LINK_SPEED_1GB_FULL, ETHTOOL_LINK_MODE_1000baseT_Full_BIT },
3543 { IXGBE_LINK_SPEED_2_5GB_FULL, ETHTOOL_LINK_MODE_2500baseX_Full_BIT },
3544 { IXGBE_LINK_SPEED_10GB_FULL, ETHTOOL_LINK_MODE_10000baseT_Full_BIT },
3545 };
3546
3547 static const struct {
3548 u32 lp_advertised;
3549 u32 link_mode;
3550 } ixgbe_lp_map[] = {
3551 { FW_PHY_ACT_UD_2_100M_TX_EEE, ETHTOOL_LINK_MODE_100baseT_Full_BIT },
3552 { FW_PHY_ACT_UD_2_1G_T_EEE, ETHTOOL_LINK_MODE_1000baseT_Full_BIT },
3553 { FW_PHY_ACT_UD_2_10G_T_EEE, ETHTOOL_LINK_MODE_10000baseT_Full_BIT },
3554 { FW_PHY_ACT_UD_2_1G_KX_EEE, ETHTOOL_LINK_MODE_1000baseKX_Full_BIT },
3555 { FW_PHY_ACT_UD_2_10G_KX4_EEE, ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT },
3556 { FW_PHY_ACT_UD_2_10G_KR_EEE, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
3557 };
3558
3559 static int
ixgbe_get_eee_fw(struct ixgbe_adapter * adapter,struct ethtool_keee * edata)3560 ixgbe_get_eee_fw(struct ixgbe_adapter *adapter, struct ethtool_keee *edata)
3561 {
3562 __ETHTOOL_DECLARE_LINK_MODE_MASK(common);
3563 u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
3564 struct ixgbe_hw *hw = &adapter->hw;
3565 int rc;
3566 u16 i;
3567
3568 rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_UD_2, &info);
3569 if (rc)
3570 return rc;
3571
3572 for (i = 0; i < ARRAY_SIZE(ixgbe_lp_map); ++i) {
3573 if (info[0] & ixgbe_lp_map[i].lp_advertised)
3574 linkmode_set_bit(ixgbe_lp_map[i].link_mode,
3575 edata->lp_advertised);
3576 }
3577
3578 for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3579 if (hw->phy.eee_speeds_supported & ixgbe_ls_map[i].mac_speed)
3580 linkmode_set_bit(ixgbe_ls_map[i].link_mode,
3581 edata->supported);
3582 }
3583
3584 for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3585 if (hw->phy.eee_speeds_advertised & ixgbe_ls_map[i].mac_speed)
3586 linkmode_set_bit(ixgbe_ls_map[i].link_mode,
3587 edata->advertised);
3588 }
3589
3590 edata->eee_enabled = !linkmode_empty(edata->advertised);
3591 edata->tx_lpi_enabled = edata->eee_enabled;
3592
3593 linkmode_and(common, edata->advertised, edata->lp_advertised);
3594 edata->eee_active = !linkmode_empty(common);
3595
3596 return 0;
3597 }
3598
ixgbe_get_eee(struct net_device * netdev,struct ethtool_keee * edata)3599 static int ixgbe_get_eee(struct net_device *netdev, struct ethtool_keee *edata)
3600 {
3601 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3602 struct ixgbe_hw *hw = &adapter->hw;
3603
3604 if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3605 return -EOPNOTSUPP;
3606
3607 if (hw->phy.eee_speeds_supported && hw->phy.type == ixgbe_phy_fw)
3608 return ixgbe_get_eee_fw(adapter, edata);
3609
3610 return -EOPNOTSUPP;
3611 }
3612
ixgbe_set_eee(struct net_device * netdev,struct ethtool_keee * edata)3613 static int ixgbe_set_eee(struct net_device *netdev, struct ethtool_keee *edata)
3614 {
3615 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3616 struct ixgbe_hw *hw = &adapter->hw;
3617 struct ethtool_keee eee_data;
3618 int ret_val;
3619
3620 if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3621 return -EOPNOTSUPP;
3622
3623 memset(&eee_data, 0, sizeof(struct ethtool_keee));
3624
3625 ret_val = ixgbe_get_eee(netdev, &eee_data);
3626 if (ret_val)
3627 return ret_val;
3628
3629 if (eee_data.eee_enabled && !edata->eee_enabled) {
3630 if (eee_data.tx_lpi_enabled != edata->tx_lpi_enabled) {
3631 e_err(drv, "Setting EEE tx-lpi is not supported\n");
3632 return -EINVAL;
3633 }
3634
3635 if (eee_data.tx_lpi_timer != edata->tx_lpi_timer) {
3636 e_err(drv,
3637 "Setting EEE Tx LPI timer is not supported\n");
3638 return -EINVAL;
3639 }
3640
3641 if (!linkmode_equal(eee_data.advertised, edata->advertised)) {
3642 e_err(drv,
3643 "Setting EEE advertised speeds is not supported\n");
3644 return -EINVAL;
3645 }
3646 }
3647
3648 if (eee_data.eee_enabled != edata->eee_enabled) {
3649 if (edata->eee_enabled) {
3650 adapter->flags2 |= IXGBE_FLAG2_EEE_ENABLED;
3651 hw->phy.eee_speeds_advertised =
3652 hw->phy.eee_speeds_supported;
3653 } else {
3654 adapter->flags2 &= ~IXGBE_FLAG2_EEE_ENABLED;
3655 hw->phy.eee_speeds_advertised = 0;
3656 }
3657
3658 /* reset link */
3659 if (netif_running(netdev))
3660 ixgbe_reinit_locked(adapter);
3661 else
3662 ixgbe_reset(adapter);
3663 }
3664
3665 return 0;
3666 }
3667
ixgbe_get_priv_flags(struct net_device * netdev)3668 static u32 ixgbe_get_priv_flags(struct net_device *netdev)
3669 {
3670 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3671 u32 priv_flags = 0;
3672
3673 if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
3674 priv_flags |= IXGBE_PRIV_FLAGS_LEGACY_RX;
3675
3676 if (adapter->flags2 & IXGBE_FLAG2_VF_IPSEC_ENABLED)
3677 priv_flags |= IXGBE_PRIV_FLAGS_VF_IPSEC_EN;
3678
3679 if (adapter->flags2 & IXGBE_FLAG2_AUTO_DISABLE_VF)
3680 priv_flags |= IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF;
3681
3682 return priv_flags;
3683 }
3684
ixgbe_set_priv_flags(struct net_device * netdev,u32 priv_flags)3685 static int ixgbe_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3686 {
3687 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3688 unsigned int flags2 = adapter->flags2;
3689 unsigned int i;
3690
3691 flags2 &= ~IXGBE_FLAG2_RX_LEGACY;
3692 if (priv_flags & IXGBE_PRIV_FLAGS_LEGACY_RX)
3693 flags2 |= IXGBE_FLAG2_RX_LEGACY;
3694
3695 flags2 &= ~IXGBE_FLAG2_VF_IPSEC_ENABLED;
3696 if (priv_flags & IXGBE_PRIV_FLAGS_VF_IPSEC_EN)
3697 flags2 |= IXGBE_FLAG2_VF_IPSEC_ENABLED;
3698
3699 flags2 &= ~IXGBE_FLAG2_AUTO_DISABLE_VF;
3700 if (priv_flags & IXGBE_PRIV_FLAGS_AUTO_DISABLE_VF) {
3701 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
3702 /* Reset primary abort counter */
3703 for (i = 0; i < adapter->num_vfs; i++)
3704 adapter->vfinfo[i].primary_abort_count = 0;
3705
3706 flags2 |= IXGBE_FLAG2_AUTO_DISABLE_VF;
3707 } else {
3708 e_info(probe,
3709 "Cannot set private flags: Operation not supported\n");
3710 return -EOPNOTSUPP;
3711 }
3712 }
3713
3714 if (flags2 != adapter->flags2) {
3715 adapter->flags2 = flags2;
3716
3717 /* reset interface to repopulate queues */
3718 if (netif_running(netdev))
3719 ixgbe_reinit_locked(adapter);
3720 }
3721
3722 return 0;
3723 }
3724
3725 static const struct ethtool_ops ixgbe_ethtool_ops = {
3726 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3727 .get_drvinfo = ixgbe_get_drvinfo,
3728 .get_regs_len = ixgbe_get_regs_len,
3729 .get_regs = ixgbe_get_regs,
3730 .get_wol = ixgbe_get_wol,
3731 .set_wol = ixgbe_set_wol,
3732 .nway_reset = ixgbe_nway_reset,
3733 .get_link = ethtool_op_get_link,
3734 .get_link_ext_stats = ixgbe_get_link_ext_stats,
3735 .get_eeprom_len = ixgbe_get_eeprom_len,
3736 .get_eeprom = ixgbe_get_eeprom,
3737 .set_eeprom = ixgbe_set_eeprom,
3738 .get_ringparam = ixgbe_get_ringparam,
3739 .set_ringparam = ixgbe_set_ringparam,
3740 .get_pause_stats = ixgbe_get_pause_stats,
3741 .get_pauseparam = ixgbe_get_pauseparam,
3742 .set_pauseparam = ixgbe_set_pauseparam,
3743 .get_msglevel = ixgbe_get_msglevel,
3744 .set_msglevel = ixgbe_set_msglevel,
3745 .self_test = ixgbe_diag_test,
3746 .get_strings = ixgbe_get_strings,
3747 .set_phys_id = ixgbe_set_phys_id,
3748 .get_sset_count = ixgbe_get_sset_count,
3749 .get_ethtool_stats = ixgbe_get_ethtool_stats,
3750 .get_coalesce = ixgbe_get_coalesce,
3751 .set_coalesce = ixgbe_set_coalesce,
3752 .get_rx_ring_count = ixgbe_get_rx_ring_count,
3753 .get_rxnfc = ixgbe_get_rxnfc,
3754 .set_rxnfc = ixgbe_set_rxnfc,
3755 .get_rxfh_indir_size = ixgbe_rss_indir_size,
3756 .get_rxfh_key_size = ixgbe_get_rxfh_key_size,
3757 .get_rxfh = ixgbe_get_rxfh,
3758 .set_rxfh = ixgbe_set_rxfh,
3759 .get_rxfh_fields = ixgbe_get_rxfh_fields,
3760 .set_rxfh_fields = ixgbe_set_rxfh_fields,
3761 .get_eee = ixgbe_get_eee,
3762 .set_eee = ixgbe_set_eee,
3763 .get_channels = ixgbe_get_channels,
3764 .set_channels = ixgbe_set_channels,
3765 .get_priv_flags = ixgbe_get_priv_flags,
3766 .set_priv_flags = ixgbe_set_priv_flags,
3767 .get_ts_info = ixgbe_get_ts_info,
3768 .get_module_info = ixgbe_get_module_info,
3769 .get_module_eeprom = ixgbe_get_module_eeprom,
3770 .get_link_ksettings = ixgbe_get_link_ksettings,
3771 .set_link_ksettings = ixgbe_set_link_ksettings,
3772 };
3773
3774 static const struct ethtool_ops ixgbe_ethtool_ops_e610 = {
3775 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3776 .get_drvinfo = ixgbe_get_drvinfo,
3777 .get_regs_len = ixgbe_get_regs_len,
3778 .get_regs = ixgbe_get_regs,
3779 .get_wol = ixgbe_get_wol,
3780 .set_wol = ixgbe_set_wol_e610,
3781 .nway_reset = ixgbe_nway_reset,
3782 .get_link = ethtool_op_get_link,
3783 .get_link_ext_stats = ixgbe_get_link_ext_stats,
3784 .get_eeprom_len = ixgbe_get_eeprom_len,
3785 .get_eeprom = ixgbe_get_eeprom,
3786 .set_eeprom = ixgbe_set_eeprom,
3787 .get_ringparam = ixgbe_get_ringparam,
3788 .set_ringparam = ixgbe_set_ringparam,
3789 .get_pause_stats = ixgbe_get_pause_stats,
3790 .get_pauseparam = ixgbe_get_pauseparam,
3791 .set_pauseparam = ixgbe_set_pauseparam_e610,
3792 .get_msglevel = ixgbe_get_msglevel,
3793 .set_msglevel = ixgbe_set_msglevel,
3794 .self_test = ixgbe_diag_test,
3795 .get_strings = ixgbe_get_strings,
3796 .set_phys_id = ixgbe_set_phys_id_e610,
3797 .get_sset_count = ixgbe_get_sset_count,
3798 .get_ethtool_stats = ixgbe_get_ethtool_stats,
3799 .get_coalesce = ixgbe_get_coalesce,
3800 .set_coalesce = ixgbe_set_coalesce,
3801 .get_rx_ring_count = ixgbe_get_rx_ring_count,
3802 .get_rxnfc = ixgbe_get_rxnfc,
3803 .set_rxnfc = ixgbe_set_rxnfc,
3804 .get_rxfh_indir_size = ixgbe_rss_indir_size,
3805 .get_rxfh_key_size = ixgbe_get_rxfh_key_size,
3806 .get_rxfh = ixgbe_get_rxfh,
3807 .set_rxfh = ixgbe_set_rxfh,
3808 .get_rxfh_fields = ixgbe_get_rxfh_fields,
3809 .set_rxfh_fields = ixgbe_set_rxfh_fields,
3810 .get_eee = ixgbe_get_eee,
3811 .set_eee = ixgbe_set_eee,
3812 .get_channels = ixgbe_get_channels,
3813 .set_channels = ixgbe_set_channels,
3814 .get_priv_flags = ixgbe_get_priv_flags,
3815 .set_priv_flags = ixgbe_set_priv_flags,
3816 .get_ts_info = ixgbe_get_ts_info,
3817 .get_module_info = ixgbe_get_module_info,
3818 .get_module_eeprom = ixgbe_get_module_eeprom,
3819 .get_link_ksettings = ixgbe_get_link_ksettings,
3820 .set_link_ksettings = ixgbe_set_link_ksettings,
3821 };
3822
ixgbe_set_ethtool_ops(struct net_device * netdev)3823 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3824 {
3825 struct ixgbe_adapter *adapter = ixgbe_from_netdev(netdev);
3826
3827 if (adapter->hw.mac.type == ixgbe_mac_e610)
3828 netdev->ethtool_ops = &ixgbe_ethtool_ops_e610;
3829 else
3830 netdev->ethtool_ops = &ixgbe_ethtool_ops;
3831 }
3832