tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2010 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26*******************************************************************************/
27
28/* ethtool support for ixgbe */
29
30#include <linux/types.h>
31#include <linux/module.h>
32#include <linux/slab.h>
33#include <linux/pci.h>
34#include <linux/netdevice.h>
35#include <linux/ethtool.h>
36#include <linux/vmalloc.h>
37#include <linux/uaccess.h>
38
39#include "ixgbe.h"
40
41
42#define IXGBE_ALL_RAR_ENTRIES 16
43
44enum {NETDEV_STATS, IXGBE_STATS};
45
46struct ixgbe_stats {
47 char stat_string[ETH_GSTRING_LEN];
48 int type;
49 int sizeof_stat;
50 int stat_offset;
51};
52
53#define IXGBE_STAT(m) IXGBE_STATS, \
54 sizeof(((struct ixgbe_adapter *)0)->m), \
55 offsetof(struct ixgbe_adapter, m)
56#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
57 sizeof(((struct net_device *)0)->m), \
58 offsetof(struct net_device, m)
59
60static struct ixgbe_stats ixgbe_gstrings_stats[] = {
61 {"rx_packets", IXGBE_NETDEV_STAT(stats.rx_packets)},
62 {"tx_packets", IXGBE_NETDEV_STAT(stats.tx_packets)},
63 {"rx_bytes", IXGBE_NETDEV_STAT(stats.rx_bytes)},
64 {"tx_bytes", IXGBE_NETDEV_STAT(stats.tx_bytes)},
65 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
66 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
67 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
68 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
69 {"lsc_int", IXGBE_STAT(lsc_int)},
70 {"tx_busy", IXGBE_STAT(tx_busy)},
71 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
72 {"rx_errors", IXGBE_NETDEV_STAT(stats.rx_errors)},
73 {"tx_errors", IXGBE_NETDEV_STAT(stats.tx_errors)},
74 {"rx_dropped", IXGBE_NETDEV_STAT(stats.rx_dropped)},
75 {"tx_dropped", IXGBE_NETDEV_STAT(stats.tx_dropped)},
76 {"multicast", IXGBE_NETDEV_STAT(stats.multicast)},
77 {"broadcast", IXGBE_STAT(stats.bprc)},
78 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
79 {"collisions", IXGBE_NETDEV_STAT(stats.collisions)},
80 {"rx_over_errors", IXGBE_NETDEV_STAT(stats.rx_over_errors)},
81 {"rx_crc_errors", IXGBE_NETDEV_STAT(stats.rx_crc_errors)},
82 {"rx_frame_errors", IXGBE_NETDEV_STAT(stats.rx_frame_errors)},
83 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
84 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
85 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
86 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
87 {"rx_fifo_errors", IXGBE_NETDEV_STAT(stats.rx_fifo_errors)},
88 {"rx_missed_errors", IXGBE_NETDEV_STAT(stats.rx_missed_errors)},
89 {"tx_aborted_errors", IXGBE_NETDEV_STAT(stats.tx_aborted_errors)},
90 {"tx_carrier_errors", IXGBE_NETDEV_STAT(stats.tx_carrier_errors)},
91 {"tx_fifo_errors", IXGBE_NETDEV_STAT(stats.tx_fifo_errors)},
92 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(stats.tx_heartbeat_errors)},
93 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
94 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
95 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
96 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
97 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
98 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
99 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
100 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
101 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
102 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
103 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
104 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
105#ifdef IXGBE_FCOE
106 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
107 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
108 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
109 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
110 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
111 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
112#endif /* IXGBE_FCOE */
113};
114
115#define IXGBE_QUEUE_STATS_LEN \
116 ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
117 ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
118 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
119#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
120#define IXGBE_PB_STATS_LEN ( \
121 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
122 IXGBE_FLAG_DCB_ENABLED) ? \
123 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
124 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
125 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
126 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
127 / sizeof(u64) : 0)
128#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
129 IXGBE_PB_STATS_LEN + \
130 IXGBE_QUEUE_STATS_LEN)
131
132static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
133 "Register test (offline)", "Eeprom test (offline)",
134 "Interrupt test (offline)", "Loopback test (offline)",
135 "Link test (on/offline)"
136};
137#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
138
139static int ixgbe_get_settings(struct net_device *netdev,
140 struct ethtool_cmd *ecmd)
141{
142 struct ixgbe_adapter *adapter = netdev_priv(netdev);
143 struct ixgbe_hw *hw = &adapter->hw;
144 u32 link_speed = 0;
145 bool link_up;
146
147 ecmd->supported = SUPPORTED_10000baseT_Full;
148 ecmd->autoneg = AUTONEG_ENABLE;
149 ecmd->transceiver = XCVR_EXTERNAL;
150 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
151 (hw->phy.multispeed_fiber)) {
152 ecmd->supported |= (SUPPORTED_1000baseT_Full |
153 SUPPORTED_Autoneg);
154
155 ecmd->advertising = ADVERTISED_Autoneg;
156 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
157 ecmd->advertising |= ADVERTISED_10000baseT_Full;
158 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
159 ecmd->advertising |= ADVERTISED_1000baseT_Full;
160 /*
161 * It's possible that phy.autoneg_advertised may not be
162 * set yet. If so display what the default would be -
163 * both 1G and 10G supported.
164 */
165 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
166 ADVERTISED_10000baseT_Full)))
167 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
168 ADVERTISED_1000baseT_Full);
169
170 if (hw->phy.media_type == ixgbe_media_type_copper) {
171 ecmd->supported |= SUPPORTED_TP;
172 ecmd->advertising |= ADVERTISED_TP;
173 ecmd->port = PORT_TP;
174 } else {
175 ecmd->supported |= SUPPORTED_FIBRE;
176 ecmd->advertising |= ADVERTISED_FIBRE;
177 ecmd->port = PORT_FIBRE;
178 }
179 } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
180 /* Set as FIBRE until SERDES defined in kernel */
181 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
182 ecmd->supported = (SUPPORTED_1000baseT_Full |
183 SUPPORTED_FIBRE);
184 ecmd->advertising = (ADVERTISED_1000baseT_Full |
185 ADVERTISED_FIBRE);
186 ecmd->port = PORT_FIBRE;
187 ecmd->autoneg = AUTONEG_DISABLE;
188 } else {
189 ecmd->supported |= (SUPPORTED_1000baseT_Full |
190 SUPPORTED_FIBRE);
191 ecmd->advertising = (ADVERTISED_10000baseT_Full |
192 ADVERTISED_1000baseT_Full |
193 ADVERTISED_FIBRE);
194 ecmd->port = PORT_FIBRE;
195 }
196 } else {
197 ecmd->supported |= SUPPORTED_FIBRE;
198 ecmd->advertising = (ADVERTISED_10000baseT_Full |
199 ADVERTISED_FIBRE);
200 ecmd->port = PORT_FIBRE;
201 ecmd->autoneg = AUTONEG_DISABLE;
202 }
203
204 /* Get PHY type */
205 switch (adapter->hw.phy.type) {
206 case ixgbe_phy_tn:
207 case ixgbe_phy_cu_unknown:
208 /* Copper 10G-BASET */
209 ecmd->port = PORT_TP;
210 break;
211 case ixgbe_phy_qt:
212 ecmd->port = PORT_FIBRE;
213 break;
214 case ixgbe_phy_nl:
215 case ixgbe_phy_sfp_passive_tyco:
216 case ixgbe_phy_sfp_passive_unknown:
217 case ixgbe_phy_sfp_ftl:
218 case ixgbe_phy_sfp_avago:
219 case ixgbe_phy_sfp_intel:
220 case ixgbe_phy_sfp_unknown:
221 switch (adapter->hw.phy.sfp_type) {
222 /* SFP+ devices, further checking needed */
223 case ixgbe_sfp_type_da_cu:
224 case ixgbe_sfp_type_da_cu_core0:
225 case ixgbe_sfp_type_da_cu_core1:
226 ecmd->port = PORT_DA;
227 break;
228 case ixgbe_sfp_type_sr:
229 case ixgbe_sfp_type_lr:
230 case ixgbe_sfp_type_srlr_core0:
231 case ixgbe_sfp_type_srlr_core1:
232 ecmd->port = PORT_FIBRE;
233 break;
234 case ixgbe_sfp_type_not_present:
235 ecmd->port = PORT_NONE;
236 break;
237 case ixgbe_sfp_type_unknown:
238 default:
239 ecmd->port = PORT_OTHER;
240 break;
241 }
242 break;
243 case ixgbe_phy_xaui:
244 ecmd->port = PORT_NONE;
245 break;
246 case ixgbe_phy_unknown:
247 case ixgbe_phy_generic:
248 case ixgbe_phy_sfp_unsupported:
249 default:
250 ecmd->port = PORT_OTHER;
251 break;
252 }
253
254 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
255 if (link_up) {
256 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
257 SPEED_10000 : SPEED_1000;
258 ecmd->duplex = DUPLEX_FULL;
259 } else {
260 ecmd->speed = -1;
261 ecmd->duplex = -1;
262 }
263
264 return 0;
265}
266
267static int ixgbe_set_settings(struct net_device *netdev,
268 struct ethtool_cmd *ecmd)
269{
270 struct ixgbe_adapter *adapter = netdev_priv(netdev);
271 struct ixgbe_hw *hw = &adapter->hw;
272 u32 advertised, old;
273 s32 err = 0;
274
275 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
276 (hw->phy.multispeed_fiber)) {
277 /* 10000/copper and 1000/copper must autoneg
278 * this function does not support any duplex forcing, but can
279 * limit the advertising of the adapter to only 10000 or 1000 */
280 if (ecmd->autoneg == AUTONEG_DISABLE)
281 return -EINVAL;
282
283 old = hw->phy.autoneg_advertised;
284 advertised = 0;
285 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
286 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
287
288 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
289 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
290
291 if (old == advertised)
292 return err;
293 /* this sets the link speed and restarts auto-neg */
294 hw->mac.autotry_restart = true;
295 err = hw->mac.ops.setup_link(hw, advertised, true, true);
296 if (err) {
297 DPRINTK(PROBE, INFO,
298 "setup link failed with code %d\n", err);
299 hw->mac.ops.setup_link(hw, old, true, true);
300 }
301 } else {
302 /* in this case we currently only support 10Gb/FULL */
303 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
304 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
305 (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
306 return -EINVAL;
307 }
308
309 return err;
310}
311
312static void ixgbe_get_pauseparam(struct net_device *netdev,
313 struct ethtool_pauseparam *pause)
314{
315 struct ixgbe_adapter *adapter = netdev_priv(netdev);
316 struct ixgbe_hw *hw = &adapter->hw;
317
318 /*
319 * Flow Control Autoneg isn't on if
320 * - we didn't ask for it OR
321 * - it failed, we know this by tx & rx being off
322 */
323 if (hw->fc.disable_fc_autoneg ||
324 (hw->fc.current_mode == ixgbe_fc_none))
325 pause->autoneg = 0;
326 else
327 pause->autoneg = 1;
328
329#ifdef CONFIG_DCB
330 if (hw->fc.current_mode == ixgbe_fc_pfc) {
331 pause->rx_pause = 0;
332 pause->tx_pause = 0;
333 }
334
335#endif
336 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
337 pause->rx_pause = 1;
338 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
339 pause->tx_pause = 1;
340 } else if (hw->fc.current_mode == ixgbe_fc_full) {
341 pause->rx_pause = 1;
342 pause->tx_pause = 1;
343 }
344}
345
346static int ixgbe_set_pauseparam(struct net_device *netdev,
347 struct ethtool_pauseparam *pause)
348{
349 struct ixgbe_adapter *adapter = netdev_priv(netdev);
350 struct ixgbe_hw *hw = &adapter->hw;
351 struct ixgbe_fc_info fc;
352
353#ifdef CONFIG_DCB
354 if (adapter->dcb_cfg.pfc_mode_enable ||
355 ((hw->mac.type == ixgbe_mac_82598EB) &&
356 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
357 return -EINVAL;
358
359#endif
360
361 fc = hw->fc;
362
363 if (pause->autoneg != AUTONEG_ENABLE)
364 fc.disable_fc_autoneg = true;
365 else
366 fc.disable_fc_autoneg = false;
367
368 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
369 fc.requested_mode = ixgbe_fc_full;
370 else if (pause->rx_pause && !pause->tx_pause)
371 fc.requested_mode = ixgbe_fc_rx_pause;
372 else if (!pause->rx_pause && pause->tx_pause)
373 fc.requested_mode = ixgbe_fc_tx_pause;
374 else if (!pause->rx_pause && !pause->tx_pause)
375 fc.requested_mode = ixgbe_fc_none;
376 else
377 return -EINVAL;
378
379#ifdef CONFIG_DCB
380 adapter->last_lfc_mode = fc.requested_mode;
381#endif
382
383 /* if the thing changed then we'll update and use new autoneg */
384 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
385 hw->fc = fc;
386 if (netif_running(netdev))
387 ixgbe_reinit_locked(adapter);
388 else
389 ixgbe_reset(adapter);
390 }
391
392 return 0;
393}
394
395static u32 ixgbe_get_rx_csum(struct net_device *netdev)
396{
397 struct ixgbe_adapter *adapter = netdev_priv(netdev);
398 return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
399}
400
401static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
402{
403 struct ixgbe_adapter *adapter = netdev_priv(netdev);
404 if (data)
405 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
406 else
407 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
408
409 if (netif_running(netdev))
410 ixgbe_reinit_locked(adapter);
411 else
412 ixgbe_reset(adapter);
413
414 return 0;
415}
416
417static u32 ixgbe_get_tx_csum(struct net_device *netdev)
418{
419 return (netdev->features & NETIF_F_IP_CSUM) != 0;
420}
421
422static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
423{
424 struct ixgbe_adapter *adapter = netdev_priv(netdev);
425
426 if (data) {
427 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
428 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
429 netdev->features |= NETIF_F_SCTP_CSUM;
430 } else {
431 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
432 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
433 netdev->features &= ~NETIF_F_SCTP_CSUM;
434 }
435
436 return 0;
437}
438
439static int ixgbe_set_tso(struct net_device *netdev, u32 data)
440{
441 if (data) {
442 netdev->features |= NETIF_F_TSO;
443 netdev->features |= NETIF_F_TSO6;
444 } else {
445 netdev->features &= ~NETIF_F_TSO;
446 netdev->features &= ~NETIF_F_TSO6;
447 }
448 return 0;
449}
450
451static u32 ixgbe_get_msglevel(struct net_device *netdev)
452{
453 struct ixgbe_adapter *adapter = netdev_priv(netdev);
454 return adapter->msg_enable;
455}
456
457static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
458{
459 struct ixgbe_adapter *adapter = netdev_priv(netdev);
460 adapter->msg_enable = data;
461}
462
463static int ixgbe_get_regs_len(struct net_device *netdev)
464{
465#define IXGBE_REGS_LEN 1128
466 return IXGBE_REGS_LEN * sizeof(u32);
467}
468
469#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
470
471static void ixgbe_get_regs(struct net_device *netdev,
472 struct ethtool_regs *regs, void *p)
473{
474 struct ixgbe_adapter *adapter = netdev_priv(netdev);
475 struct ixgbe_hw *hw = &adapter->hw;
476 u32 *regs_buff = p;
477 u8 i;
478
479 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
480
481 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
482
483 /* General Registers */
484 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
485 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
486 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
487 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
488 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
489 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
490 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
491 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
492
493 /* NVM Register */
494 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
495 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
496 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
497 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
498 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
499 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
500 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
501 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
502 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
503 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
504
505 /* Interrupt */
506 /* don't read EICR because it can clear interrupt causes, instead
507 * read EICS which is a shadow but doesn't clear EICR */
508 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
509 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
510 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
511 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
512 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
513 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
514 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
515 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
516 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
517 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
518 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
519 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
520
521 /* Flow Control */
522 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
523 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
524 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
525 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
526 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
527 for (i = 0; i < 8; i++)
528 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
529 for (i = 0; i < 8; i++)
530 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
531 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
532 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
533
534 /* Receive DMA */
535 for (i = 0; i < 64; i++)
536 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
537 for (i = 0; i < 64; i++)
538 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
539 for (i = 0; i < 64; i++)
540 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
541 for (i = 0; i < 64; i++)
542 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
543 for (i = 0; i < 64; i++)
544 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
545 for (i = 0; i < 64; i++)
546 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
547 for (i = 0; i < 16; i++)
548 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
549 for (i = 0; i < 16; i++)
550 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
551 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
552 for (i = 0; i < 8; i++)
553 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
554 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
555 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
556
557 /* Receive */
558 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
559 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
560 for (i = 0; i < 16; i++)
561 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
562 for (i = 0; i < 16; i++)
563 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
564 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
565 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
566 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
567 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
568 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
569 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
570 for (i = 0; i < 8; i++)
571 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
572 for (i = 0; i < 8; i++)
573 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
574 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
575
576 /* Transmit */
577 for (i = 0; i < 32; i++)
578 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
579 for (i = 0; i < 32; i++)
580 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
581 for (i = 0; i < 32; i++)
582 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
583 for (i = 0; i < 32; i++)
584 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
585 for (i = 0; i < 32; i++)
586 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
587 for (i = 0; i < 32; i++)
588 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
589 for (i = 0; i < 32; i++)
590 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
591 for (i = 0; i < 32; i++)
592 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
593 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
594 for (i = 0; i < 16; i++)
595 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
596 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
597 for (i = 0; i < 8; i++)
598 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
599 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
600
601 /* Wake Up */
602 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
603 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
604 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
605 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
606 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
607 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
608 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
609 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
610 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
611
612 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
613 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
614 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
615 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
616 for (i = 0; i < 8; i++)
617 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
618 for (i = 0; i < 8; i++)
619 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
620 for (i = 0; i < 8; i++)
621 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
622 for (i = 0; i < 8; i++)
623 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
624 for (i = 0; i < 8; i++)
625 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
626 for (i = 0; i < 8; i++)
627 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
628
629 /* Statistics */
630 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
631 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
632 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
633 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
634 for (i = 0; i < 8; i++)
635 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
636 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
637 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
638 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
639 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
640 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
641 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
642 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
643 for (i = 0; i < 8; i++)
644 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
645 for (i = 0; i < 8; i++)
646 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
647 for (i = 0; i < 8; i++)
648 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
649 for (i = 0; i < 8; i++)
650 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
651 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
652 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
653 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
654 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
655 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
656 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
657 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
658 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
659 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
660 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
661 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
662 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
663 for (i = 0; i < 8; i++)
664 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
665 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
666 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
667 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
668 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
669 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
670 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
671 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
672 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
673 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
674 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
675 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
676 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
677 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
678 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
679 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
680 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
681 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
682 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
683 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
684 for (i = 0; i < 16; i++)
685 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
686 for (i = 0; i < 16; i++)
687 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
688 for (i = 0; i < 16; i++)
689 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
690 for (i = 0; i < 16; i++)
691 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
692
693 /* MAC */
694 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
695 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
696 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
697 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
698 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
699 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
700 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
701 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
702 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
703 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
704 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
705 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
706 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
707 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
708 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
709 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
710 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
711 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
712 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
713 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
714 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
715 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
716 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
717 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
718 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
719 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
720 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
721 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
722 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
723 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
724 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
725 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
726 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
727
728 /* Diagnostic */
729 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
730 for (i = 0; i < 8; i++)
731 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
732 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
733 for (i = 0; i < 4; i++)
734 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
735 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
736 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
737 for (i = 0; i < 8; i++)
738 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
739 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
740 for (i = 0; i < 4; i++)
741 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
742 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
743 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
744 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
745 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
746 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
747 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
748 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
749 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
750 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
751 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
752 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
753 for (i = 0; i < 8; i++)
754 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
755 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
756 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
757 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
758 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
759 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
760 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
761 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
762 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
763 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
764}
765
766static int ixgbe_get_eeprom_len(struct net_device *netdev)
767{
768 struct ixgbe_adapter *adapter = netdev_priv(netdev);
769 return adapter->hw.eeprom.word_size * 2;
770}
771
772static int ixgbe_get_eeprom(struct net_device *netdev,
773 struct ethtool_eeprom *eeprom, u8 *bytes)
774{
775 struct ixgbe_adapter *adapter = netdev_priv(netdev);
776 struct ixgbe_hw *hw = &adapter->hw;
777 u16 *eeprom_buff;
778 int first_word, last_word, eeprom_len;
779 int ret_val = 0;
780 u16 i;
781
782 if (eeprom->len == 0)
783 return -EINVAL;
784
785 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
786
787 first_word = eeprom->offset >> 1;
788 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
789 eeprom_len = last_word - first_word + 1;
790
791 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
792 if (!eeprom_buff)
793 return -ENOMEM;
794
795 for (i = 0; i < eeprom_len; i++) {
796 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
797 &eeprom_buff[i])))
798 break;
799 }
800
801 /* Device's eeprom is always little-endian, word addressable */
802 for (i = 0; i < eeprom_len; i++)
803 le16_to_cpus(&eeprom_buff[i]);
804
805 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
806 kfree(eeprom_buff);
807
808 return ret_val;
809}
810
811static void ixgbe_get_drvinfo(struct net_device *netdev,
812 struct ethtool_drvinfo *drvinfo)
813{
814 struct ixgbe_adapter *adapter = netdev_priv(netdev);
815 char firmware_version[32];
816
817 strncpy(drvinfo->driver, ixgbe_driver_name, 32);
818 strncpy(drvinfo->version, ixgbe_driver_version, 32);
819
820 sprintf(firmware_version, "%d.%d-%d",
821 (adapter->eeprom_version & 0xF000) >> 12,
822 (adapter->eeprom_version & 0x0FF0) >> 4,
823 adapter->eeprom_version & 0x000F);
824
825 strncpy(drvinfo->fw_version, firmware_version, 32);
826 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
827 drvinfo->n_stats = IXGBE_STATS_LEN;
828 drvinfo->testinfo_len = IXGBE_TEST_LEN;
829 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
830}
831
832static void ixgbe_get_ringparam(struct net_device *netdev,
833 struct ethtool_ringparam *ring)
834{
835 struct ixgbe_adapter *adapter = netdev_priv(netdev);
836 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
837 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
838
839 ring->rx_max_pending = IXGBE_MAX_RXD;
840 ring->tx_max_pending = IXGBE_MAX_TXD;
841 ring->rx_mini_max_pending = 0;
842 ring->rx_jumbo_max_pending = 0;
843 ring->rx_pending = rx_ring->count;
844 ring->tx_pending = tx_ring->count;
845 ring->rx_mini_pending = 0;
846 ring->rx_jumbo_pending = 0;
847}
848
849static int ixgbe_set_ringparam(struct net_device *netdev,
850 struct ethtool_ringparam *ring)
851{
852 struct ixgbe_adapter *adapter = netdev_priv(netdev);
853 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
854 int i, err = 0;
855 u32 new_rx_count, new_tx_count;
856 bool need_update = false;
857
858 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
859 return -EINVAL;
860
861 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
862 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
863 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
864
865 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
866 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
867 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
868
869 if ((new_tx_count == adapter->tx_ring[0]->count) &&
870 (new_rx_count == adapter->rx_ring[0]->count)) {
871 /* nothing to do */
872 return 0;
873 }
874
875 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
876 msleep(1);
877
878 if (!netif_running(adapter->netdev)) {
879 for (i = 0; i < adapter->num_tx_queues; i++)
880 adapter->tx_ring[i]->count = new_tx_count;
881 for (i = 0; i < adapter->num_rx_queues; i++)
882 adapter->rx_ring[i]->count = new_rx_count;
883 adapter->tx_ring_count = new_tx_count;
884 adapter->rx_ring_count = new_rx_count;
885 goto clear_reset;
886 }
887
888 temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
889 if (!temp_tx_ring) {
890 err = -ENOMEM;
891 goto clear_reset;
892 }
893
894 if (new_tx_count != adapter->tx_ring_count) {
895 for (i = 0; i < adapter->num_tx_queues; i++) {
896 memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
897 sizeof(struct ixgbe_ring));
898 temp_tx_ring[i].count = new_tx_count;
899 err = ixgbe_setup_tx_resources(adapter,
900 &temp_tx_ring[i]);
901 if (err) {
902 while (i) {
903 i--;
904 ixgbe_free_tx_resources(adapter,
905 &temp_tx_ring[i]);
906 }
907 goto clear_reset;
908 }
909 }
910 need_update = true;
911 }
912
913 temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
914 if (!temp_rx_ring) {
915 err = -ENOMEM;
916 goto err_setup;
917 }
918
919 if (new_rx_count != adapter->rx_ring_count) {
920 for (i = 0; i < adapter->num_rx_queues; i++) {
921 memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
922 sizeof(struct ixgbe_ring));
923 temp_rx_ring[i].count = new_rx_count;
924 err = ixgbe_setup_rx_resources(adapter,
925 &temp_rx_ring[i]);
926 if (err) {
927 while (i) {
928 i--;
929 ixgbe_free_rx_resources(adapter,
930 &temp_rx_ring[i]);
931 }
932 goto err_setup;
933 }
934 }
935 need_update = true;
936 }
937
938 /* if rings need to be updated, here's the place to do it in one shot */
939 if (need_update) {
940 ixgbe_down(adapter);
941
942 /* tx */
943 if (new_tx_count != adapter->tx_ring_count) {
944 for (i = 0; i < adapter->num_tx_queues; i++) {
945 ixgbe_free_tx_resources(adapter,
946 adapter->tx_ring[i]);
947 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
948 sizeof(struct ixgbe_ring));
949 }
950 adapter->tx_ring_count = new_tx_count;
951 }
952
953 /* rx */
954 if (new_rx_count != adapter->rx_ring_count) {
955 for (i = 0; i < adapter->num_rx_queues; i++) {
956 ixgbe_free_rx_resources(adapter,
957 adapter->rx_ring[i]);
958 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
959 sizeof(struct ixgbe_ring));
960 }
961 adapter->rx_ring_count = new_rx_count;
962 }
963 ixgbe_up(adapter);
964 }
965
966 vfree(temp_rx_ring);
967err_setup:
968 vfree(temp_tx_ring);
969clear_reset:
970 clear_bit(__IXGBE_RESETTING, &adapter->state);
971 return err;
972}
973
974static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
975{
976 switch (sset) {
977 case ETH_SS_TEST:
978 return IXGBE_TEST_LEN;
979 case ETH_SS_STATS:
980 return IXGBE_STATS_LEN;
981 case ETH_SS_NTUPLE_FILTERS:
982 return (ETHTOOL_MAX_NTUPLE_LIST_ENTRY *
983 ETHTOOL_MAX_NTUPLE_STRING_PER_ENTRY);
984 default:
985 return -EOPNOTSUPP;
986 }
987}
988
989static void ixgbe_get_ethtool_stats(struct net_device *netdev,
990 struct ethtool_stats *stats, u64 *data)
991{
992 struct ixgbe_adapter *adapter = netdev_priv(netdev);
993 u64 *queue_stat;
994 int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
995 int j, k;
996 int i;
997 char *p = NULL;
998
999 ixgbe_update_stats(adapter);
1000 dev_get_stats(netdev);
1001 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1002 switch (ixgbe_gstrings_stats[i].type) {
1003 case NETDEV_STATS:
1004 p = (char *) netdev +
1005 ixgbe_gstrings_stats[i].stat_offset;
1006 break;
1007 case IXGBE_STATS:
1008 p = (char *) adapter +
1009 ixgbe_gstrings_stats[i].stat_offset;
1010 break;
1011 }
1012
1013 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1014 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1015 }
1016 for (j = 0; j < adapter->num_tx_queues; j++) {
1017 queue_stat = (u64 *)&adapter->tx_ring[j]->stats;
1018 for (k = 0; k < stat_count; k++)
1019 data[i + k] = queue_stat[k];
1020 i += k;
1021 }
1022 for (j = 0; j < adapter->num_rx_queues; j++) {
1023 queue_stat = (u64 *)&adapter->rx_ring[j]->stats;
1024 for (k = 0; k < stat_count; k++)
1025 data[i + k] = queue_stat[k];
1026 i += k;
1027 }
1028 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1029 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1030 data[i++] = adapter->stats.pxontxc[j];
1031 data[i++] = adapter->stats.pxofftxc[j];
1032 }
1033 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1034 data[i++] = adapter->stats.pxonrxc[j];
1035 data[i++] = adapter->stats.pxoffrxc[j];
1036 }
1037 }
1038}
1039
1040static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1041 u8 *data)
1042{
1043 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1044 char *p = (char *)data;
1045 int i;
1046
1047 switch (stringset) {
1048 case ETH_SS_TEST:
1049 memcpy(data, *ixgbe_gstrings_test,
1050 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1051 break;
1052 case ETH_SS_STATS:
1053 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1054 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1055 ETH_GSTRING_LEN);
1056 p += ETH_GSTRING_LEN;
1057 }
1058 for (i = 0; i < adapter->num_tx_queues; i++) {
1059 sprintf(p, "tx_queue_%u_packets", i);
1060 p += ETH_GSTRING_LEN;
1061 sprintf(p, "tx_queue_%u_bytes", i);
1062 p += ETH_GSTRING_LEN;
1063 }
1064 for (i = 0; i < adapter->num_rx_queues; i++) {
1065 sprintf(p, "rx_queue_%u_packets", i);
1066 p += ETH_GSTRING_LEN;
1067 sprintf(p, "rx_queue_%u_bytes", i);
1068 p += ETH_GSTRING_LEN;
1069 }
1070 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1071 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1072 sprintf(p, "tx_pb_%u_pxon", i);
1073 p += ETH_GSTRING_LEN;
1074 sprintf(p, "tx_pb_%u_pxoff", i);
1075 p += ETH_GSTRING_LEN;
1076 }
1077 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1078 sprintf(p, "rx_pb_%u_pxon", i);
1079 p += ETH_GSTRING_LEN;
1080 sprintf(p, "rx_pb_%u_pxoff", i);
1081 p += ETH_GSTRING_LEN;
1082 }
1083 }
1084 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1085 break;
1086 }
1087}
1088
1089static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1090{
1091 struct ixgbe_hw *hw = &adapter->hw;
1092 bool link_up;
1093 u32 link_speed = 0;
1094 *data = 0;
1095
1096 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1097 if (link_up)
1098 return *data;
1099 else
1100 *data = 1;
1101 return *data;
1102}
1103
1104/* ethtool register test data */
1105struct ixgbe_reg_test {
1106 u16 reg;
1107 u8 array_len;
1108 u8 test_type;
1109 u32 mask;
1110 u32 write;
1111};
1112
1113/* In the hardware, registers are laid out either singly, in arrays
1114 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1115 * most tests take place on arrays or single registers (handled
1116 * as a single-element array) and special-case the tables.
1117 * Table tests are always pattern tests.
1118 *
1119 * We also make provision for some required setup steps by specifying
1120 * registers to be written without any read-back testing.
1121 */
1122
1123#define PATTERN_TEST 1
1124#define SET_READ_TEST 2
1125#define WRITE_NO_TEST 3
1126#define TABLE32_TEST 4
1127#define TABLE64_TEST_LO 5
1128#define TABLE64_TEST_HI 6
1129
1130/* default 82599 register test */
1131static struct ixgbe_reg_test reg_test_82599[] = {
1132 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1133 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1134 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1135 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1136 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1137 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1138 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1139 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1140 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1141 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1142 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1143 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1144 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1145 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1146 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1147 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1148 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1149 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1150 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1151 { 0, 0, 0, 0 }
1152};
1153
1154/* default 82598 register test */
1155static struct ixgbe_reg_test reg_test_82598[] = {
1156 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1157 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1158 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1159 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1160 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1161 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1162 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1163 /* Enable all four RX queues before testing. */
1164 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1165 /* RDH is read-only for 82598, only test RDT. */
1166 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1167 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1168 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1169 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1170 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1171 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1172 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1173 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1174 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1175 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1176 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1177 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1178 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1179 { 0, 0, 0, 0 }
1180};
1181
1182#define REG_PATTERN_TEST(R, M, W) \
1183{ \
1184 u32 pat, val, before; \
1185 const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1186 for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { \
1187 before = readl(adapter->hw.hw_addr + R); \
1188 writel((_test[pat] & W), (adapter->hw.hw_addr + R)); \
1189 val = readl(adapter->hw.hw_addr + R); \
1190 if (val != (_test[pat] & W & M)) { \
1191 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got "\
1192 "0x%08X expected 0x%08X\n", \
1193 R, val, (_test[pat] & W & M)); \
1194 *data = R; \
1195 writel(before, adapter->hw.hw_addr + R); \
1196 return 1; \
1197 } \
1198 writel(before, adapter->hw.hw_addr + R); \
1199 } \
1200}
1201
1202#define REG_SET_AND_CHECK(R, M, W) \
1203{ \
1204 u32 val, before; \
1205 before = readl(adapter->hw.hw_addr + R); \
1206 writel((W & M), (adapter->hw.hw_addr + R)); \
1207 val = readl(adapter->hw.hw_addr + R); \
1208 if ((W & M) != (val & M)) { \
1209 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
1210 "expected 0x%08X\n", R, (val & M), (W & M)); \
1211 *data = R; \
1212 writel(before, (adapter->hw.hw_addr + R)); \
1213 return 1; \
1214 } \
1215 writel(before, (adapter->hw.hw_addr + R)); \
1216}
1217
1218static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1219{
1220 struct ixgbe_reg_test *test;
1221 u32 value, before, after;
1222 u32 i, toggle;
1223
1224 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1225 toggle = 0x7FFFF30F;
1226 test = reg_test_82599;
1227 } else {
1228 toggle = 0x7FFFF3FF;
1229 test = reg_test_82598;
1230 }
1231
1232 /*
1233 * Because the status register is such a special case,
1234 * we handle it separately from the rest of the register
1235 * tests. Some bits are read-only, some toggle, and some
1236 * are writeable on newer MACs.
1237 */
1238 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1239 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1240 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1241 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1242 if (value != after) {
1243 DPRINTK(DRV, ERR, "failed STATUS register test got: "
1244 "0x%08X expected: 0x%08X\n", after, value);
1245 *data = 1;
1246 return 1;
1247 }
1248 /* restore previous status */
1249 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1250
1251 /*
1252 * Perform the remainder of the register test, looping through
1253 * the test table until we either fail or reach the null entry.
1254 */
1255 while (test->reg) {
1256 for (i = 0; i < test->array_len; i++) {
1257 switch (test->test_type) {
1258 case PATTERN_TEST:
1259 REG_PATTERN_TEST(test->reg + (i * 0x40),
1260 test->mask,
1261 test->write);
1262 break;
1263 case SET_READ_TEST:
1264 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1265 test->mask,
1266 test->write);
1267 break;
1268 case WRITE_NO_TEST:
1269 writel(test->write,
1270 (adapter->hw.hw_addr + test->reg)
1271 + (i * 0x40));
1272 break;
1273 case TABLE32_TEST:
1274 REG_PATTERN_TEST(test->reg + (i * 4),
1275 test->mask,
1276 test->write);
1277 break;
1278 case TABLE64_TEST_LO:
1279 REG_PATTERN_TEST(test->reg + (i * 8),
1280 test->mask,
1281 test->write);
1282 break;
1283 case TABLE64_TEST_HI:
1284 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1285 test->mask,
1286 test->write);
1287 break;
1288 }
1289 }
1290 test++;
1291 }
1292
1293 *data = 0;
1294 return 0;
1295}
1296
1297static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1298{
1299 struct ixgbe_hw *hw = &adapter->hw;
1300 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1301 *data = 1;
1302 else
1303 *data = 0;
1304 return *data;
1305}
1306
1307static irqreturn_t ixgbe_test_intr(int irq, void *data)
1308{
1309 struct net_device *netdev = (struct net_device *) data;
1310 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1311
1312 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1313
1314 return IRQ_HANDLED;
1315}
1316
1317static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1318{
1319 struct net_device *netdev = adapter->netdev;
1320 u32 mask, i = 0, shared_int = true;
1321 u32 irq = adapter->pdev->irq;
1322
1323 *data = 0;
1324
1325 /* Hook up test interrupt handler just for this test */
1326 if (adapter->msix_entries) {
1327 /* NOTE: we don't test MSI-X interrupts here, yet */
1328 return 0;
1329 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1330 shared_int = false;
1331 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1332 netdev)) {
1333 *data = 1;
1334 return -1;
1335 }
1336 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1337 netdev->name, netdev)) {
1338 shared_int = false;
1339 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1340 netdev->name, netdev)) {
1341 *data = 1;
1342 return -1;
1343 }
1344 DPRINTK(HW, INFO, "testing %s interrupt\n",
1345 (shared_int ? "shared" : "unshared"));
1346
1347 /* Disable all the interrupts */
1348 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1349 msleep(10);
1350
1351 /* Test each interrupt */
1352 for (; i < 10; i++) {
1353 /* Interrupt to test */
1354 mask = 1 << i;
1355
1356 if (!shared_int) {
1357 /*
1358 * Disable the interrupts to be reported in
1359 * the cause register and then force the same
1360 * interrupt and see if one gets posted. If
1361 * an interrupt was posted to the bus, the
1362 * test failed.
1363 */
1364 adapter->test_icr = 0;
1365 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1366 ~mask & 0x00007FFF);
1367 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1368 ~mask & 0x00007FFF);
1369 msleep(10);
1370
1371 if (adapter->test_icr & mask) {
1372 *data = 3;
1373 break;
1374 }
1375 }
1376
1377 /*
1378 * Enable the interrupt to be reported in the cause
1379 * register and then force the same interrupt and see
1380 * if one gets posted. If an interrupt was not posted
1381 * to the bus, the test failed.
1382 */
1383 adapter->test_icr = 0;
1384 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1385 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1386 msleep(10);
1387
1388 if (!(adapter->test_icr &mask)) {
1389 *data = 4;
1390 break;
1391 }
1392
1393 if (!shared_int) {
1394 /*
1395 * Disable the other interrupts to be reported in
1396 * the cause register and then force the other
1397 * interrupts and see if any get posted. If
1398 * an interrupt was posted to the bus, the
1399 * test failed.
1400 */
1401 adapter->test_icr = 0;
1402 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1403 ~mask & 0x00007FFF);
1404 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1405 ~mask & 0x00007FFF);
1406 msleep(10);
1407
1408 if (adapter->test_icr) {
1409 *data = 5;
1410 break;
1411 }
1412 }
1413 }
1414
1415 /* Disable all the interrupts */
1416 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1417 msleep(10);
1418
1419 /* Unhook test interrupt handler */
1420 free_irq(irq, netdev);
1421
1422 return *data;
1423}
1424
1425static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1426{
1427 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1428 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1429 struct ixgbe_hw *hw = &adapter->hw;
1430 struct pci_dev *pdev = adapter->pdev;
1431 u32 reg_ctl;
1432 int i;
1433
1434 /* shut down the DMA engines now so they can be reinitialized later */
1435
1436 /* first Rx */
1437 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1438 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1439 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1440 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(0));
1441 reg_ctl &= ~IXGBE_RXDCTL_ENABLE;
1442 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(0), reg_ctl);
1443
1444 /* now Tx */
1445 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(0));
1446 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1447 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(0), reg_ctl);
1448 if (hw->mac.type == ixgbe_mac_82599EB) {
1449 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1450 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1451 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1452 }
1453
1454 ixgbe_reset(adapter);
1455
1456 if (tx_ring->desc && tx_ring->tx_buffer_info) {
1457 for (i = 0; i < tx_ring->count; i++) {
1458 struct ixgbe_tx_buffer *buf =
1459 &(tx_ring->tx_buffer_info[i]);
1460 if (buf->dma)
1461 dma_unmap_single(&pdev->dev, buf->dma,
1462 buf->length, DMA_TO_DEVICE);
1463 if (buf->skb)
1464 dev_kfree_skb(buf->skb);
1465 }
1466 }
1467
1468 if (rx_ring->desc && rx_ring->rx_buffer_info) {
1469 for (i = 0; i < rx_ring->count; i++) {
1470 struct ixgbe_rx_buffer *buf =
1471 &(rx_ring->rx_buffer_info[i]);
1472 if (buf->dma)
1473 dma_unmap_single(&pdev->dev, buf->dma,
1474 IXGBE_RXBUFFER_2048,
1475 DMA_FROM_DEVICE);
1476 if (buf->skb)
1477 dev_kfree_skb(buf->skb);
1478 }
1479 }
1480
1481 if (tx_ring->desc) {
1482 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1483 tx_ring->dma);
1484 tx_ring->desc = NULL;
1485 }
1486 if (rx_ring->desc) {
1487 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1488 rx_ring->dma);
1489 rx_ring->desc = NULL;
1490 }
1491
1492 kfree(tx_ring->tx_buffer_info);
1493 tx_ring->tx_buffer_info = NULL;
1494 kfree(rx_ring->rx_buffer_info);
1495 rx_ring->rx_buffer_info = NULL;
1496}
1497
1498static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1499{
1500 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1501 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1502 struct pci_dev *pdev = adapter->pdev;
1503 u32 rctl, reg_data;
1504 int i, ret_val;
1505
1506 /* Setup Tx descriptor ring and Tx buffers */
1507
1508 if (!tx_ring->count)
1509 tx_ring->count = IXGBE_DEFAULT_TXD;
1510
1511 tx_ring->tx_buffer_info = kcalloc(tx_ring->count,
1512 sizeof(struct ixgbe_tx_buffer),
1513 GFP_KERNEL);
1514 if (!(tx_ring->tx_buffer_info)) {
1515 ret_val = 1;
1516 goto err_nomem;
1517 }
1518
1519 tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
1520 tx_ring->size = ALIGN(tx_ring->size, 4096);
1521 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1522 &tx_ring->dma, GFP_KERNEL);
1523 if (!(tx_ring->desc)) {
1524 ret_val = 2;
1525 goto err_nomem;
1526 }
1527 tx_ring->next_to_use = tx_ring->next_to_clean = 0;
1528
1529 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAL(0),
1530 ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1531 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAH(0),
1532 ((u64) tx_ring->dma >> 32));
1533 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDLEN(0),
1534 tx_ring->count * sizeof(union ixgbe_adv_tx_desc));
1535 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDH(0), 0);
1536 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), 0);
1537
1538 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1539 reg_data |= IXGBE_HLREG0_TXPADEN;
1540 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1541
1542 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1543 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1544 reg_data |= IXGBE_DMATXCTL_TE;
1545 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1546 }
1547 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_TXDCTL(0));
1548 reg_data |= IXGBE_TXDCTL_ENABLE;
1549 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(0), reg_data);
1550
1551 for (i = 0; i < tx_ring->count; i++) {
1552 union ixgbe_adv_tx_desc *desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
1553 struct sk_buff *skb;
1554 unsigned int size = 1024;
1555
1556 skb = alloc_skb(size, GFP_KERNEL);
1557 if (!skb) {
1558 ret_val = 3;
1559 goto err_nomem;
1560 }
1561 skb_put(skb, size);
1562 tx_ring->tx_buffer_info[i].skb = skb;
1563 tx_ring->tx_buffer_info[i].length = skb->len;
1564 tx_ring->tx_buffer_info[i].dma =
1565 dma_map_single(&pdev->dev, skb->data, skb->len,
1566 DMA_TO_DEVICE);
1567 desc->read.buffer_addr =
1568 cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
1569 desc->read.cmd_type_len = cpu_to_le32(skb->len);
1570 desc->read.cmd_type_len |= cpu_to_le32(IXGBE_TXD_CMD_EOP |
1571 IXGBE_TXD_CMD_IFCS |
1572 IXGBE_TXD_CMD_RS);
1573 desc->read.olinfo_status = 0;
1574 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
1575 desc->read.olinfo_status |=
1576 (skb->len << IXGBE_ADVTXD_PAYLEN_SHIFT);
1577
1578 }
1579
1580 /* Setup Rx Descriptor ring and Rx buffers */
1581
1582 if (!rx_ring->count)
1583 rx_ring->count = IXGBE_DEFAULT_RXD;
1584
1585 rx_ring->rx_buffer_info = kcalloc(rx_ring->count,
1586 sizeof(struct ixgbe_rx_buffer),
1587 GFP_KERNEL);
1588 if (!(rx_ring->rx_buffer_info)) {
1589 ret_val = 4;
1590 goto err_nomem;
1591 }
1592
1593 rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
1594 rx_ring->size = ALIGN(rx_ring->size, 4096);
1595 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1596 &rx_ring->dma, GFP_KERNEL);
1597 if (!(rx_ring->desc)) {
1598 ret_val = 5;
1599 goto err_nomem;
1600 }
1601 rx_ring->next_to_use = rx_ring->next_to_clean = 0;
1602
1603 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1604 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1605 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAL(0),
1606 ((u64)rx_ring->dma & 0xFFFFFFFF));
1607 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAH(0),
1608 ((u64) rx_ring->dma >> 32));
1609 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDLEN(0), rx_ring->size);
1610 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDH(0), 0);
1611 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), 0);
1612
1613 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1614 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1615 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1616
1617 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1618 reg_data &= ~IXGBE_HLREG0_LPBK;
1619 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1620
1621 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RDRXCTL);
1622#define IXGBE_RDRXCTL_RDMTS_MASK 0x00000003 /* Receive Descriptor Minimum
1623 Threshold Size mask */
1624 reg_data &= ~IXGBE_RDRXCTL_RDMTS_MASK;
1625 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDRXCTL, reg_data);
1626
1627 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MCSTCTRL);
1628#define IXGBE_MCSTCTRL_MO_MASK 0x00000003 /* Multicast Offset mask */
1629 reg_data &= ~IXGBE_MCSTCTRL_MO_MASK;
1630 reg_data |= adapter->hw.mac.mc_filter_type;
1631 IXGBE_WRITE_REG(&adapter->hw, IXGBE_MCSTCTRL, reg_data);
1632
1633 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(0));
1634 reg_data |= IXGBE_RXDCTL_ENABLE;
1635 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(0), reg_data);
1636 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1637 int j = adapter->rx_ring[0]->reg_idx;
1638 u32 k;
1639 for (k = 0; k < 10; k++) {
1640 if (IXGBE_READ_REG(&adapter->hw,
1641 IXGBE_RXDCTL(j)) & IXGBE_RXDCTL_ENABLE)
1642 break;
1643 else
1644 msleep(1);
1645 }
1646 }
1647
1648 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1649 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1650
1651 for (i = 0; i < rx_ring->count; i++) {
1652 union ixgbe_adv_rx_desc *rx_desc =
1653 IXGBE_RX_DESC_ADV(*rx_ring, i);
1654 struct sk_buff *skb;
1655
1656 skb = alloc_skb(IXGBE_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1657 if (!skb) {
1658 ret_val = 6;
1659 goto err_nomem;
1660 }
1661 skb_reserve(skb, NET_IP_ALIGN);
1662 rx_ring->rx_buffer_info[i].skb = skb;
1663 rx_ring->rx_buffer_info[i].dma =
1664 dma_map_single(&pdev->dev, skb->data,
1665 IXGBE_RXBUFFER_2048, DMA_FROM_DEVICE);
1666 rx_desc->read.pkt_addr =
1667 cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
1668 memset(skb->data, 0x00, skb->len);
1669 }
1670
1671 return 0;
1672
1673err_nomem:
1674 ixgbe_free_desc_rings(adapter);
1675 return ret_val;
1676}
1677
1678static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1679{
1680 struct ixgbe_hw *hw = &adapter->hw;
1681 u32 reg_data;
1682
1683 /* right now we only support MAC loopback in the driver */
1684
1685 /* Setup MAC loopback */
1686 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1687 reg_data |= IXGBE_HLREG0_LPBK;
1688 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1689
1690 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1691 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1692 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1693 IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1694
1695 /* Disable Atlas Tx lanes; re-enabled in reset path */
1696 if (hw->mac.type == ixgbe_mac_82598EB) {
1697 u8 atlas;
1698
1699 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1700 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1701 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1702
1703 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1704 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1705 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1706
1707 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1708 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1709 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1710
1711 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1712 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1713 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1714 }
1715
1716 return 0;
1717}
1718
1719static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1720{
1721 u32 reg_data;
1722
1723 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1724 reg_data &= ~IXGBE_HLREG0_LPBK;
1725 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1726}
1727
1728static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1729 unsigned int frame_size)
1730{
1731 memset(skb->data, 0xFF, frame_size);
1732 frame_size &= ~1;
1733 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1734 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1735 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1736}
1737
1738static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1739 unsigned int frame_size)
1740{
1741 frame_size &= ~1;
1742 if (*(skb->data + 3) == 0xFF) {
1743 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1744 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1745 return 0;
1746 }
1747 }
1748 return 13;
1749}
1750
1751static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1752{
1753 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1754 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1755 struct pci_dev *pdev = adapter->pdev;
1756 int i, j, k, l, lc, good_cnt, ret_val = 0;
1757 unsigned long time;
1758
1759 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), rx_ring->count - 1);
1760
1761 /*
1762 * Calculate the loop count based on the largest descriptor ring
1763 * The idea is to wrap the largest ring a number of times using 64
1764 * send/receive pairs during each loop
1765 */
1766
1767 if (rx_ring->count <= tx_ring->count)
1768 lc = ((tx_ring->count / 64) * 2) + 1;
1769 else
1770 lc = ((rx_ring->count / 64) * 2) + 1;
1771
1772 k = l = 0;
1773 for (j = 0; j <= lc; j++) {
1774 for (i = 0; i < 64; i++) {
1775 ixgbe_create_lbtest_frame(
1776 tx_ring->tx_buffer_info[k].skb,
1777 1024);
1778 dma_sync_single_for_device(&pdev->dev,
1779 tx_ring->tx_buffer_info[k].dma,
1780 tx_ring->tx_buffer_info[k].length,
1781 DMA_TO_DEVICE);
1782 if (unlikely(++k == tx_ring->count))
1783 k = 0;
1784 }
1785 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), k);
1786 msleep(200);
1787 /* set the start time for the receive */
1788 time = jiffies;
1789 good_cnt = 0;
1790 do {
1791 /* receive the sent packets */
1792 dma_sync_single_for_cpu(&pdev->dev,
1793 rx_ring->rx_buffer_info[l].dma,
1794 IXGBE_RXBUFFER_2048,
1795 DMA_FROM_DEVICE);
1796 ret_val = ixgbe_check_lbtest_frame(
1797 rx_ring->rx_buffer_info[l].skb, 1024);
1798 if (!ret_val)
1799 good_cnt++;
1800 if (++l == rx_ring->count)
1801 l = 0;
1802 /*
1803 * time + 20 msecs (200 msecs on 2.4) is more than
1804 * enough time to complete the receives, if it's
1805 * exceeded, break and error off
1806 */
1807 } while (good_cnt < 64 && jiffies < (time + 20));
1808 if (good_cnt != 64) {
1809 /* ret_val is the same as mis-compare */
1810 ret_val = 13;
1811 break;
1812 }
1813 if (jiffies >= (time + 20)) {
1814 /* Error code for time out error */
1815 ret_val = 14;
1816 break;
1817 }
1818 }
1819
1820 return ret_val;
1821}
1822
1823static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1824{
1825 *data = ixgbe_setup_desc_rings(adapter);
1826 if (*data)
1827 goto out;
1828 *data = ixgbe_setup_loopback_test(adapter);
1829 if (*data)
1830 goto err_loopback;
1831 *data = ixgbe_run_loopback_test(adapter);
1832 ixgbe_loopback_cleanup(adapter);
1833
1834err_loopback:
1835 ixgbe_free_desc_rings(adapter);
1836out:
1837 return *data;
1838}
1839
1840static void ixgbe_diag_test(struct net_device *netdev,
1841 struct ethtool_test *eth_test, u64 *data)
1842{
1843 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1844 bool if_running = netif_running(netdev);
1845
1846 set_bit(__IXGBE_TESTING, &adapter->state);
1847 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1848 /* Offline tests */
1849
1850 DPRINTK(HW, INFO, "offline testing starting\n");
1851
1852 /* Link test performed before hardware reset so autoneg doesn't
1853 * interfere with test result */
1854 if (ixgbe_link_test(adapter, &data[4]))
1855 eth_test->flags |= ETH_TEST_FL_FAILED;
1856
1857 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1858 int i;
1859 for (i = 0; i < adapter->num_vfs; i++) {
1860 if (adapter->vfinfo[i].clear_to_send) {
1861 netdev_warn(netdev, "%s",
1862 "offline diagnostic is not "
1863 "supported when VFs are "
1864 "present\n");
1865 data[0] = 1;
1866 data[1] = 1;
1867 data[2] = 1;
1868 data[3] = 1;
1869 eth_test->flags |= ETH_TEST_FL_FAILED;
1870 clear_bit(__IXGBE_TESTING,
1871 &adapter->state);
1872 goto skip_ol_tests;
1873 }
1874 }
1875 }
1876
1877 if (if_running)
1878 /* indicate we're in test mode */
1879 dev_close(netdev);
1880 else
1881 ixgbe_reset(adapter);
1882
1883 DPRINTK(HW, INFO, "register testing starting\n");
1884 if (ixgbe_reg_test(adapter, &data[0]))
1885 eth_test->flags |= ETH_TEST_FL_FAILED;
1886
1887 ixgbe_reset(adapter);
1888 DPRINTK(HW, INFO, "eeprom testing starting\n");
1889 if (ixgbe_eeprom_test(adapter, &data[1]))
1890 eth_test->flags |= ETH_TEST_FL_FAILED;
1891
1892 ixgbe_reset(adapter);
1893 DPRINTK(HW, INFO, "interrupt testing starting\n");
1894 if (ixgbe_intr_test(adapter, &data[2]))
1895 eth_test->flags |= ETH_TEST_FL_FAILED;
1896
1897 /* If SRIOV or VMDq is enabled then skip MAC
1898 * loopback diagnostic. */
1899 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1900 IXGBE_FLAG_VMDQ_ENABLED)) {
1901 DPRINTK(HW, INFO, "Skip MAC loopback diagnostic in VT "
1902 "mode\n");
1903 data[3] = 0;
1904 goto skip_loopback;
1905 }
1906
1907 ixgbe_reset(adapter);
1908 DPRINTK(HW, INFO, "loopback testing starting\n");
1909 if (ixgbe_loopback_test(adapter, &data[3]))
1910 eth_test->flags |= ETH_TEST_FL_FAILED;
1911
1912skip_loopback:
1913 ixgbe_reset(adapter);
1914
1915 clear_bit(__IXGBE_TESTING, &adapter->state);
1916 if (if_running)
1917 dev_open(netdev);
1918 } else {
1919 DPRINTK(HW, INFO, "online testing starting\n");
1920 /* Online tests */
1921 if (ixgbe_link_test(adapter, &data[4]))
1922 eth_test->flags |= ETH_TEST_FL_FAILED;
1923
1924 /* Online tests aren't run; pass by default */
1925 data[0] = 0;
1926 data[1] = 0;
1927 data[2] = 0;
1928 data[3] = 0;
1929
1930 clear_bit(__IXGBE_TESTING, &adapter->state);
1931 }
1932skip_ol_tests:
1933 msleep_interruptible(4 * 1000);
1934}
1935
1936static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1937 struct ethtool_wolinfo *wol)
1938{
1939 struct ixgbe_hw *hw = &adapter->hw;
1940 int retval = 1;
1941
1942 switch(hw->device_id) {
1943 case IXGBE_DEV_ID_82599_KX4:
1944 retval = 0;
1945 break;
1946 default:
1947 wol->supported = 0;
1948 }
1949
1950 return retval;
1951}
1952
1953static void ixgbe_get_wol(struct net_device *netdev,
1954 struct ethtool_wolinfo *wol)
1955{
1956 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1957
1958 wol->supported = WAKE_UCAST | WAKE_MCAST |
1959 WAKE_BCAST | WAKE_MAGIC;
1960 wol->wolopts = 0;
1961
1962 if (ixgbe_wol_exclusion(adapter, wol) ||
1963 !device_can_wakeup(&adapter->pdev->dev))
1964 return;
1965
1966 if (adapter->wol & IXGBE_WUFC_EX)
1967 wol->wolopts |= WAKE_UCAST;
1968 if (adapter->wol & IXGBE_WUFC_MC)
1969 wol->wolopts |= WAKE_MCAST;
1970 if (adapter->wol & IXGBE_WUFC_BC)
1971 wol->wolopts |= WAKE_BCAST;
1972 if (adapter->wol & IXGBE_WUFC_MAG)
1973 wol->wolopts |= WAKE_MAGIC;
1974}
1975
1976static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1977{
1978 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1979
1980 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1981 return -EOPNOTSUPP;
1982
1983 if (ixgbe_wol_exclusion(adapter, wol))
1984 return wol->wolopts ? -EOPNOTSUPP : 0;
1985
1986 adapter->wol = 0;
1987
1988 if (wol->wolopts & WAKE_UCAST)
1989 adapter->wol |= IXGBE_WUFC_EX;
1990 if (wol->wolopts & WAKE_MCAST)
1991 adapter->wol |= IXGBE_WUFC_MC;
1992 if (wol->wolopts & WAKE_BCAST)
1993 adapter->wol |= IXGBE_WUFC_BC;
1994 if (wol->wolopts & WAKE_MAGIC)
1995 adapter->wol |= IXGBE_WUFC_MAG;
1996
1997 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1998
1999 return 0;
2000}
2001
2002static int ixgbe_nway_reset(struct net_device *netdev)
2003{
2004 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2005
2006 if (netif_running(netdev))
2007 ixgbe_reinit_locked(adapter);
2008
2009 return 0;
2010}
2011
2012static int ixgbe_phys_id(struct net_device *netdev, u32 data)
2013{
2014 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2015 struct ixgbe_hw *hw = &adapter->hw;
2016 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2017 u32 i;
2018
2019 if (!data || data > 300)
2020 data = 300;
2021
2022 for (i = 0; i < (data * 1000); i += 400) {
2023 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
2024 msleep_interruptible(200);
2025 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
2026 msleep_interruptible(200);
2027 }
2028
2029 /* Restore LED settings */
2030 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
2031
2032 return 0;
2033}
2034
2035static int ixgbe_get_coalesce(struct net_device *netdev,
2036 struct ethtool_coalesce *ec)
2037{
2038 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2039
2040 ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0]->work_limit;
2041
2042 /* only valid if in constant ITR mode */
2043 switch (adapter->rx_itr_setting) {
2044 case 0:
2045 /* throttling disabled */
2046 ec->rx_coalesce_usecs = 0;
2047 break;
2048 case 1:
2049 /* dynamic ITR mode */
2050 ec->rx_coalesce_usecs = 1;
2051 break;
2052 default:
2053 /* fixed interrupt rate mode */
2054 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
2055 break;
2056 }
2057
2058 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2059 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count)
2060 return 0;
2061
2062 /* only valid if in constant ITR mode */
2063 switch (adapter->tx_itr_setting) {
2064 case 0:
2065 /* throttling disabled */
2066 ec->tx_coalesce_usecs = 0;
2067 break;
2068 case 1:
2069 /* dynamic ITR mode */
2070 ec->tx_coalesce_usecs = 1;
2071 break;
2072 default:
2073 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
2074 break;
2075 }
2076
2077 return 0;
2078}
2079
2080/*
2081 * this function must be called before setting the new value of
2082 * rx_itr_setting
2083 */
2084static bool ixgbe_reenable_rsc(struct ixgbe_adapter *adapter,
2085 struct ethtool_coalesce *ec)
2086{
2087 /* check the old value and enable RSC if necessary */
2088 if ((adapter->rx_itr_setting == 0) &&
2089 (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)) {
2090 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2091 adapter->netdev->features |= NETIF_F_LRO;
2092 DPRINTK(PROBE, INFO, "rx-usecs set to %d, re-enabling RSC\n",
2093 ec->rx_coalesce_usecs);
2094 return true;
2095 }
2096 return false;
2097}
2098
2099static int ixgbe_set_coalesce(struct net_device *netdev,
2100 struct ethtool_coalesce *ec)
2101{
2102 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2103 struct ixgbe_q_vector *q_vector;
2104 int i;
2105 bool need_reset = false;
2106
2107 /* don't accept tx specific changes if we've got mixed RxTx vectors */
2108 if (adapter->q_vector[0]->txr_count && adapter->q_vector[0]->rxr_count
2109 && ec->tx_coalesce_usecs)
2110 return -EINVAL;
2111
2112 if (ec->tx_max_coalesced_frames_irq)
2113 adapter->tx_ring[0]->work_limit = ec->tx_max_coalesced_frames_irq;
2114
2115 if (ec->rx_coalesce_usecs > 1) {
2116 u32 max_int;
2117 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
2118 max_int = IXGBE_MAX_RSC_INT_RATE;
2119 else
2120 max_int = IXGBE_MAX_INT_RATE;
2121
2122 /* check the limits */
2123 if ((1000000/ec->rx_coalesce_usecs > max_int) ||
2124 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2125 return -EINVAL;
2126
2127 /* check the old value and enable RSC if necessary */
2128 need_reset = ixgbe_reenable_rsc(adapter, ec);
2129
2130 /* store the value in ints/second */
2131 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
2132
2133 /* static value of interrupt rate */
2134 adapter->rx_itr_setting = adapter->rx_eitr_param;
2135 /* clear the lower bit as its used for dynamic state */
2136 adapter->rx_itr_setting &= ~1;
2137 } else if (ec->rx_coalesce_usecs == 1) {
2138 /* check the old value and enable RSC if necessary */
2139 need_reset = ixgbe_reenable_rsc(adapter, ec);
2140
2141 /* 1 means dynamic mode */
2142 adapter->rx_eitr_param = 20000;
2143 adapter->rx_itr_setting = 1;
2144 } else {
2145 /*
2146 * any other value means disable eitr, which is best
2147 * served by setting the interrupt rate very high
2148 */
2149 adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2150 adapter->rx_itr_setting = 0;
2151
2152 /*
2153 * if hardware RSC is enabled, disable it when
2154 * setting low latency mode, to avoid errata, assuming
2155 * that when the user set low latency mode they want
2156 * it at the cost of anything else
2157 */
2158 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2159 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2160 netdev->features &= ~NETIF_F_LRO;
2161 DPRINTK(PROBE, INFO,
2162 "rx-usecs set to 0, disabling RSC\n");
2163
2164 need_reset = true;
2165 }
2166 }
2167
2168 if (ec->tx_coalesce_usecs > 1) {
2169 /*
2170 * don't have to worry about max_int as above because
2171 * tx vectors don't do hardware RSC (an rx function)
2172 */
2173 /* check the limits */
2174 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2175 (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2176 return -EINVAL;
2177
2178 /* store the value in ints/second */
2179 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2180
2181 /* static value of interrupt rate */
2182 adapter->tx_itr_setting = adapter->tx_eitr_param;
2183
2184 /* clear the lower bit as its used for dynamic state */
2185 adapter->tx_itr_setting &= ~1;
2186 } else if (ec->tx_coalesce_usecs == 1) {
2187 /* 1 means dynamic mode */
2188 adapter->tx_eitr_param = 10000;
2189 adapter->tx_itr_setting = 1;
2190 } else {
2191 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2192 adapter->tx_itr_setting = 0;
2193 }
2194
2195 /* MSI/MSIx Interrupt Mode */
2196 if (adapter->flags &
2197 (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2198 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2199 for (i = 0; i < num_vectors; i++) {
2200 q_vector = adapter->q_vector[i];
2201 if (q_vector->txr_count && !q_vector->rxr_count)
2202 /* tx only */
2203 q_vector->eitr = adapter->tx_eitr_param;
2204 else
2205 /* rx only or mixed */
2206 q_vector->eitr = adapter->rx_eitr_param;
2207 ixgbe_write_eitr(q_vector);
2208 }
2209 /* Legacy Interrupt Mode */
2210 } else {
2211 q_vector = adapter->q_vector[0];
2212 q_vector->eitr = adapter->rx_eitr_param;
2213 ixgbe_write_eitr(q_vector);
2214 }
2215
2216 /*
2217 * do reset here at the end to make sure EITR==0 case is handled
2218 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2219 * also locks in RSC enable/disable which requires reset
2220 */
2221 if (need_reset) {
2222 if (netif_running(netdev))
2223 ixgbe_reinit_locked(adapter);
2224 else
2225 ixgbe_reset(adapter);
2226 }
2227
2228 return 0;
2229}
2230
2231static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2232{
2233 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2234 bool need_reset = false;
2235
2236 ethtool_op_set_flags(netdev, data);
2237
2238 /* if state changes we need to update adapter->flags and reset */
2239 if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) {
2240 /*
2241 * cast both to bool and verify if they are set the same
2242 * but only enable RSC if itr is non-zero, as
2243 * itr=0 and RSC are mutually exclusive
2244 */
2245 if (((!!(data & ETH_FLAG_LRO)) !=
2246 (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) &&
2247 adapter->rx_itr_setting) {
2248 adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2249 switch (adapter->hw.mac.type) {
2250 case ixgbe_mac_82599EB:
2251 need_reset = true;
2252 break;
2253 default:
2254 break;
2255 }
2256 } else if (!adapter->rx_itr_setting) {
2257 netdev->features &= ~ETH_FLAG_LRO;
2258 }
2259 }
2260
2261 /*
2262 * Check if Flow Director n-tuple support was enabled or disabled. If
2263 * the state changed, we need to reset.
2264 */
2265 if ((adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) &&
2266 (!(data & ETH_FLAG_NTUPLE))) {
2267 /* turn off Flow Director perfect, set hash and reset */
2268 adapter->flags &= ~IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2269 adapter->flags |= IXGBE_FLAG_FDIR_HASH_CAPABLE;
2270 need_reset = true;
2271 } else if ((!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)) &&
2272 (data & ETH_FLAG_NTUPLE)) {
2273 /* turn off Flow Director hash, enable perfect and reset */
2274 adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
2275 adapter->flags |= IXGBE_FLAG_FDIR_PERFECT_CAPABLE;
2276 need_reset = true;
2277 } else {
2278 /* no state change */
2279 }
2280
2281 if (need_reset) {
2282 if (netif_running(netdev))
2283 ixgbe_reinit_locked(adapter);
2284 else
2285 ixgbe_reset(adapter);
2286 }
2287
2288 return 0;
2289}
2290
2291static int ixgbe_set_rx_ntuple(struct net_device *dev,
2292 struct ethtool_rx_ntuple *cmd)
2293{
2294 struct ixgbe_adapter *adapter = netdev_priv(dev);
2295 struct ethtool_rx_ntuple_flow_spec fs = cmd->fs;
2296 struct ixgbe_atr_input input_struct;
2297 struct ixgbe_atr_input_masks input_masks;
2298 int target_queue;
2299
2300 if (adapter->hw.mac.type == ixgbe_mac_82598EB)
2301 return -EOPNOTSUPP;
2302
2303 /*
2304 * Don't allow programming if the action is a queue greater than
2305 * the number of online Tx queues.
2306 */
2307 if ((fs.action >= adapter->num_tx_queues) ||
2308 (fs.action < ETHTOOL_RXNTUPLE_ACTION_DROP))
2309 return -EINVAL;
2310
2311 memset(&input_struct, 0, sizeof(struct ixgbe_atr_input));
2312 memset(&input_masks, 0, sizeof(struct ixgbe_atr_input_masks));
2313
2314 input_masks.src_ip_mask = fs.m_u.tcp_ip4_spec.ip4src;
2315 input_masks.dst_ip_mask = fs.m_u.tcp_ip4_spec.ip4dst;
2316 input_masks.src_port_mask = fs.m_u.tcp_ip4_spec.psrc;
2317 input_masks.dst_port_mask = fs.m_u.tcp_ip4_spec.pdst;
2318 input_masks.vlan_id_mask = fs.vlan_tag_mask;
2319 /* only use the lowest 2 bytes for flex bytes */
2320 input_masks.data_mask = (fs.data_mask & 0xffff);
2321
2322 switch (fs.flow_type) {
2323 case TCP_V4_FLOW:
2324 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_TCP);
2325 break;
2326 case UDP_V4_FLOW:
2327 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_UDP);
2328 break;
2329 case SCTP_V4_FLOW:
2330 ixgbe_atr_set_l4type_82599(&input_struct, IXGBE_ATR_L4TYPE_SCTP);
2331 break;
2332 default:
2333 return -1;
2334 }
2335
2336 /* Mask bits from the inputs based on user-supplied mask */
2337 ixgbe_atr_set_src_ipv4_82599(&input_struct,
2338 (fs.h_u.tcp_ip4_spec.ip4src & ~fs.m_u.tcp_ip4_spec.ip4src));
2339 ixgbe_atr_set_dst_ipv4_82599(&input_struct,
2340 (fs.h_u.tcp_ip4_spec.ip4dst & ~fs.m_u.tcp_ip4_spec.ip4dst));
2341 /* 82599 expects these to be byte-swapped for perfect filtering */
2342 ixgbe_atr_set_src_port_82599(&input_struct,
2343 ((ntohs(fs.h_u.tcp_ip4_spec.psrc)) & ~fs.m_u.tcp_ip4_spec.psrc));
2344 ixgbe_atr_set_dst_port_82599(&input_struct,
2345 ((ntohs(fs.h_u.tcp_ip4_spec.pdst)) & ~fs.m_u.tcp_ip4_spec.pdst));
2346
2347 /* VLAN and Flex bytes are either completely masked or not */
2348 if (!fs.vlan_tag_mask)
2349 ixgbe_atr_set_vlan_id_82599(&input_struct, fs.vlan_tag);
2350
2351 if (!input_masks.data_mask)
2352 /* make sure we only use the first 2 bytes of user data */
2353 ixgbe_atr_set_flex_byte_82599(&input_struct,
2354 (fs.data & 0xffff));
2355
2356 /* determine if we need to drop or route the packet */
2357 if (fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
2358 target_queue = MAX_RX_QUEUES - 1;
2359 else
2360 target_queue = fs.action;
2361
2362 spin_lock(&adapter->fdir_perfect_lock);
2363 ixgbe_fdir_add_perfect_filter_82599(&adapter->hw, &input_struct,
2364 &input_masks, 0, target_queue);
2365 spin_unlock(&adapter->fdir_perfect_lock);
2366
2367 return 0;
2368}
2369
2370static const struct ethtool_ops ixgbe_ethtool_ops = {
2371 .get_settings = ixgbe_get_settings,
2372 .set_settings = ixgbe_set_settings,
2373 .get_drvinfo = ixgbe_get_drvinfo,
2374 .get_regs_len = ixgbe_get_regs_len,
2375 .get_regs = ixgbe_get_regs,
2376 .get_wol = ixgbe_get_wol,
2377 .set_wol = ixgbe_set_wol,
2378 .nway_reset = ixgbe_nway_reset,
2379 .get_link = ethtool_op_get_link,
2380 .get_eeprom_len = ixgbe_get_eeprom_len,
2381 .get_eeprom = ixgbe_get_eeprom,
2382 .get_ringparam = ixgbe_get_ringparam,
2383 .set_ringparam = ixgbe_set_ringparam,
2384 .get_pauseparam = ixgbe_get_pauseparam,
2385 .set_pauseparam = ixgbe_set_pauseparam,
2386 .get_rx_csum = ixgbe_get_rx_csum,
2387 .set_rx_csum = ixgbe_set_rx_csum,
2388 .get_tx_csum = ixgbe_get_tx_csum,
2389 .set_tx_csum = ixgbe_set_tx_csum,
2390 .get_sg = ethtool_op_get_sg,
2391 .set_sg = ethtool_op_set_sg,
2392 .get_msglevel = ixgbe_get_msglevel,
2393 .set_msglevel = ixgbe_set_msglevel,
2394 .get_tso = ethtool_op_get_tso,
2395 .set_tso = ixgbe_set_tso,
2396 .self_test = ixgbe_diag_test,
2397 .get_strings = ixgbe_get_strings,
2398 .phys_id = ixgbe_phys_id,
2399 .get_sset_count = ixgbe_get_sset_count,
2400 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2401 .get_coalesce = ixgbe_get_coalesce,
2402 .set_coalesce = ixgbe_set_coalesce,
2403 .get_flags = ethtool_op_get_flags,
2404 .set_flags = ixgbe_set_flags,
2405 .set_rx_ntuple = ixgbe_set_rx_ntuple,
2406};
2407
2408void ixgbe_set_ethtool_ops(struct net_device *netdev)
2409{
2410 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2411}