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[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / ixgbe / ixgbe_ethtool.c
blobdff8dfac7ed99edbedd1eed40e8a052a8eef2b88
1 /*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2009 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/pci.h>
33 #include <linux/netdevice.h>
34 #include <linux/ethtool.h>
35 #include <linux/vmalloc.h>
36 #include <linux/uaccess.h>
37
38 #include "ixgbe.h"
39
40
41 #define IXGBE_ALL_RAR_ENTRIES 16
42
43 struct ixgbe_stats {
44 char stat_string[ETH_GSTRING_LEN];
45 int sizeof_stat;
46 int stat_offset;
47 };
48
49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
50 offsetof(struct ixgbe_adapter, m)
51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
52 {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
53 {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
54 {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
55 {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
56 {"lsc_int", IXGBE_STAT(lsc_int)},
57 {"tx_busy", IXGBE_STAT(tx_busy)},
58 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
59 {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
60 {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
61 {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
62 {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
63 {"multicast", IXGBE_STAT(net_stats.multicast)},
64 {"broadcast", IXGBE_STAT(stats.bprc)},
65 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
66 {"collisions", IXGBE_STAT(net_stats.collisions)},
67 {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
68 {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
69 {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
70 {"hw_rsc_count", IXGBE_STAT(rsc_count)},
71 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
72 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
73 {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
74 {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
75 {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
76 {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
77 {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
78 {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
79 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
80 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
81 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
82 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
83 {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
84 {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
85 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
86 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
87 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
88 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
89 {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
90 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
91 {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
92 {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
93 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
94 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
95 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
96 #ifdef IXGBE_FCOE
97 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
98 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
99 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
100 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
101 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
102 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
103 #endif /* IXGBE_FCOE */
104 };
105
106 #define IXGBE_QUEUE_STATS_LEN \
107 ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
108 ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
109 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
110 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
111 #define IXGBE_PB_STATS_LEN ( \
112 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
113 IXGBE_FLAG_DCB_ENABLED) ? \
114 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
115 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
116 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
117 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
118 / sizeof(u64) : 0)
119 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
120 IXGBE_PB_STATS_LEN + \
121 IXGBE_QUEUE_STATS_LEN)
122
123 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
124 "Register test (offline)", "Eeprom test (offline)",
125 "Interrupt test (offline)", "Loopback test (offline)",
126 "Link test (on/offline)"
127 };
128 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
129
130 static int ixgbe_get_settings(struct net_device *netdev,
131 struct ethtool_cmd *ecmd)
132 {
133 struct ixgbe_adapter *adapter = netdev_priv(netdev);
134 struct ixgbe_hw *hw = &adapter->hw;
135 u32 link_speed = 0;
136 bool link_up;
137
138 ecmd->supported = SUPPORTED_10000baseT_Full;
139 ecmd->autoneg = AUTONEG_ENABLE;
140 ecmd->transceiver = XCVR_EXTERNAL;
141 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
142 (hw->phy.multispeed_fiber)) {
143 ecmd->supported |= (SUPPORTED_1000baseT_Full |
144 SUPPORTED_Autoneg);
145
146 ecmd->advertising = ADVERTISED_Autoneg;
147 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
148 ecmd->advertising |= ADVERTISED_10000baseT_Full;
149 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
150 ecmd->advertising |= ADVERTISED_1000baseT_Full;
151 /*
152 * It's possible that phy.autoneg_advertised may not be
153 * set yet. If so display what the default would be -
154 * both 1G and 10G supported.
155 */
156 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
157 ADVERTISED_10000baseT_Full)))
158 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
159 ADVERTISED_1000baseT_Full);
160
161 if (hw->phy.media_type == ixgbe_media_type_copper) {
162 ecmd->supported |= SUPPORTED_TP;
163 ecmd->advertising |= ADVERTISED_TP;
164 ecmd->port = PORT_TP;
165 } else {
166 ecmd->supported |= SUPPORTED_FIBRE;
167 ecmd->advertising |= ADVERTISED_FIBRE;
168 ecmd->port = PORT_FIBRE;
169 }
170 } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
171 /* Set as FIBRE until SERDES defined in kernel */
172 switch (hw->device_id) {
173 case IXGBE_DEV_ID_82598:
174 ecmd->supported |= (SUPPORTED_1000baseT_Full |
175 SUPPORTED_FIBRE);
176 ecmd->advertising = (ADVERTISED_10000baseT_Full |
177 ADVERTISED_1000baseT_Full |
178 ADVERTISED_FIBRE);
179 ecmd->port = PORT_FIBRE;
180 break;
181 case 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 break;
189 }
190 } else {
191 ecmd->supported |= SUPPORTED_FIBRE;
192 ecmd->advertising = (ADVERTISED_10000baseT_Full |
193 ADVERTISED_FIBRE);
194 ecmd->port = PORT_FIBRE;
195 ecmd->autoneg = AUTONEG_DISABLE;
196 }
197
198 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
199 if (link_up) {
200 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
201 SPEED_10000 : SPEED_1000;
202 ecmd->duplex = DUPLEX_FULL;
203 } else {
204 ecmd->speed = -1;
205 ecmd->duplex = -1;
206 }
207
208 return 0;
209 }
210
211 static int ixgbe_set_settings(struct net_device *netdev,
212 struct ethtool_cmd *ecmd)
213 {
214 struct ixgbe_adapter *adapter = netdev_priv(netdev);
215 struct ixgbe_hw *hw = &adapter->hw;
216 u32 advertised, old;
217 s32 err = 0;
218
219 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
220 (hw->phy.multispeed_fiber)) {
221 /* 10000/copper and 1000/copper must autoneg
222 * this function does not support any duplex forcing, but can
223 * limit the advertising of the adapter to only 10000 or 1000 */
224 if (ecmd->autoneg == AUTONEG_DISABLE)
225 return -EINVAL;
226
227 old = hw->phy.autoneg_advertised;
228 advertised = 0;
229 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
230 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
231
232 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
233 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
234
235 if (old == advertised)
236 return err;
237 /* this sets the link speed and restarts auto-neg */
238 hw->mac.autotry_restart = true;
239 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
240 if (err) {
241 DPRINTK(PROBE, INFO,
242 "setup link failed with code %d\n", err);
243 hw->mac.ops.setup_link_speed(hw, old, true, true);
244 }
245 } else {
246 /* in this case we currently only support 10Gb/FULL */
247 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
248 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
249 (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
250 return -EINVAL;
251 }
252
253 return err;
254 }
255
256 static void ixgbe_get_pauseparam(struct net_device *netdev,
257 struct ethtool_pauseparam *pause)
258 {
259 struct ixgbe_adapter *adapter = netdev_priv(netdev);
260 struct ixgbe_hw *hw = &adapter->hw;
261
262 /*
263 * Flow Control Autoneg isn't on if
264 * - we didn't ask for it OR
265 * - it failed, we know this by tx & rx being off
266 */
267 if (hw->fc.disable_fc_autoneg ||
268 (hw->fc.current_mode == ixgbe_fc_none))
269 pause->autoneg = 0;
270 else
271 pause->autoneg = 1;
272
273 #ifdef CONFIG_DCB
274 if (hw->fc.current_mode == ixgbe_fc_pfc) {
275 pause->rx_pause = 0;
276 pause->tx_pause = 0;
277 }
278
279 #endif
280 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
281 pause->rx_pause = 1;
282 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
283 pause->tx_pause = 1;
284 } else if (hw->fc.current_mode == ixgbe_fc_full) {
285 pause->rx_pause = 1;
286 pause->tx_pause = 1;
287 }
288 }
289
290 static int ixgbe_set_pauseparam(struct net_device *netdev,
291 struct ethtool_pauseparam *pause)
292 {
293 struct ixgbe_adapter *adapter = netdev_priv(netdev);
294 struct ixgbe_hw *hw = &adapter->hw;
295 struct ixgbe_fc_info fc;
296
297 #ifdef CONFIG_DCB
298 if (adapter->dcb_cfg.pfc_mode_enable ||
299 ((hw->mac.type == ixgbe_mac_82598EB) &&
300 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
301 return -EINVAL;
302
303 #endif
304
305 fc = hw->fc;
306
307 if (pause->autoneg != AUTONEG_ENABLE)
308 fc.disable_fc_autoneg = true;
309 else
310 fc.disable_fc_autoneg = false;
311
312 if (pause->rx_pause && pause->tx_pause)
313 fc.requested_mode = ixgbe_fc_full;
314 else if (pause->rx_pause && !pause->tx_pause)
315 fc.requested_mode = ixgbe_fc_rx_pause;
316 else if (!pause->rx_pause && pause->tx_pause)
317 fc.requested_mode = ixgbe_fc_tx_pause;
318 else if (!pause->rx_pause && !pause->tx_pause)
319 fc.requested_mode = ixgbe_fc_none;
320 else
321 return -EINVAL;
322
323 #ifdef CONFIG_DCB
324 adapter->last_lfc_mode = fc.requested_mode;
325 #endif
326
327 /* if the thing changed then we'll update and use new autoneg */
328 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
329 hw->fc = fc;
330 if (netif_running(netdev))
331 ixgbe_reinit_locked(adapter);
332 else
333 ixgbe_reset(adapter);
334 }
335
336 return 0;
337 }
338
339 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
340 {
341 struct ixgbe_adapter *adapter = netdev_priv(netdev);
342 return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
343 }
344
345 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
346 {
347 struct ixgbe_adapter *adapter = netdev_priv(netdev);
348 if (data)
349 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
350 else
351 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
352
353 if (netif_running(netdev))
354 ixgbe_reinit_locked(adapter);
355 else
356 ixgbe_reset(adapter);
357
358 return 0;
359 }
360
361 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
362 {
363 return (netdev->features & NETIF_F_IP_CSUM) != 0;
364 }
365
366 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
367 {
368 struct ixgbe_adapter *adapter = netdev_priv(netdev);
369
370 if (data) {
371 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
372 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
373 netdev->features |= NETIF_F_SCTP_CSUM;
374 } else {
375 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
376 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
377 netdev->features &= ~NETIF_F_SCTP_CSUM;
378 }
379
380 return 0;
381 }
382
383 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
384 {
385 if (data) {
386 netdev->features |= NETIF_F_TSO;
387 netdev->features |= NETIF_F_TSO6;
388 } else {
389 netif_tx_stop_all_queues(netdev);
390 netdev->features &= ~NETIF_F_TSO;
391 netdev->features &= ~NETIF_F_TSO6;
392 netif_tx_start_all_queues(netdev);
393 }
394 return 0;
395 }
396
397 static u32 ixgbe_get_msglevel(struct net_device *netdev)
398 {
399 struct ixgbe_adapter *adapter = netdev_priv(netdev);
400 return adapter->msg_enable;
401 }
402
403 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
404 {
405 struct ixgbe_adapter *adapter = netdev_priv(netdev);
406 adapter->msg_enable = data;
407 }
408
409 static int ixgbe_get_regs_len(struct net_device *netdev)
410 {
411 #define IXGBE_REGS_LEN 1128
412 return IXGBE_REGS_LEN * sizeof(u32);
413 }
414
415 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
416
417 static void ixgbe_get_regs(struct net_device *netdev,
418 struct ethtool_regs *regs, void *p)
419 {
420 struct ixgbe_adapter *adapter = netdev_priv(netdev);
421 struct ixgbe_hw *hw = &adapter->hw;
422 u32 *regs_buff = p;
423 u8 i;
424
425 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
426
427 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
428
429 /* General Registers */
430 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
431 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
432 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
433 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
434 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
435 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
436 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
437 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
438
439 /* NVM Register */
440 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
441 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
442 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
443 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
444 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
445 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
446 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
447 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
448 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
449 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
450
451 /* Interrupt */
452 /* don't read EICR because it can clear interrupt causes, instead
453 * read EICS which is a shadow but doesn't clear EICR */
454 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
455 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
456 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
457 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
458 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
459 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
460 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
461 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
462 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
463 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
464 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
465 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
466
467 /* Flow Control */
468 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
469 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
470 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
471 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
472 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
473 for (i = 0; i < 8; i++)
474 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
475 for (i = 0; i < 8; i++)
476 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
477 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
478 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
479
480 /* Receive DMA */
481 for (i = 0; i < 64; i++)
482 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
483 for (i = 0; i < 64; i++)
484 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
485 for (i = 0; i < 64; i++)
486 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
487 for (i = 0; i < 64; i++)
488 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
489 for (i = 0; i < 64; i++)
490 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
491 for (i = 0; i < 64; i++)
492 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
493 for (i = 0; i < 16; i++)
494 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
495 for (i = 0; i < 16; i++)
496 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
497 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
498 for (i = 0; i < 8; i++)
499 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
500 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
501 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
502
503 /* Receive */
504 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
505 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
506 for (i = 0; i < 16; i++)
507 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
508 for (i = 0; i < 16; i++)
509 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
510 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
511 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
512 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
513 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
514 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
515 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
516 for (i = 0; i < 8; i++)
517 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
518 for (i = 0; i < 8; i++)
519 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
520 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
521
522 /* Transmit */
523 for (i = 0; i < 32; i++)
524 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
525 for (i = 0; i < 32; i++)
526 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
527 for (i = 0; i < 32; i++)
528 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
529 for (i = 0; i < 32; i++)
530 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
531 for (i = 0; i < 32; i++)
532 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
533 for (i = 0; i < 32; i++)
534 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
535 for (i = 0; i < 32; i++)
536 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
537 for (i = 0; i < 32; i++)
538 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
539 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
540 for (i = 0; i < 16; i++)
541 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
542 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
543 for (i = 0; i < 8; i++)
544 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
545 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
546
547 /* Wake Up */
548 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
549 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
550 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
551 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
552 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
553 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
554 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
555 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
556 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
557
558 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
559 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
560 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
561 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
562 for (i = 0; i < 8; i++)
563 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
564 for (i = 0; i < 8; i++)
565 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
566 for (i = 0; i < 8; i++)
567 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
568 for (i = 0; i < 8; i++)
569 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
570 for (i = 0; i < 8; i++)
571 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
572 for (i = 0; i < 8; i++)
573 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
574
575 /* Statistics */
576 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
577 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
578 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
579 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
580 for (i = 0; i < 8; i++)
581 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
582 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
583 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
584 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
585 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
586 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
587 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
588 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
589 for (i = 0; i < 8; i++)
590 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
591 for (i = 0; i < 8; i++)
592 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
593 for (i = 0; i < 8; i++)
594 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
595 for (i = 0; i < 8; i++)
596 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
597 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
598 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
599 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
600 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
601 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
602 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
603 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
604 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
605 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
606 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
607 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
608 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
609 for (i = 0; i < 8; i++)
610 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
611 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
612 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
613 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
614 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
615 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
616 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
617 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
618 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
619 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
620 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
621 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
622 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
623 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
624 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
625 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
626 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
627 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
628 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
629 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
630 for (i = 0; i < 16; i++)
631 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
632 for (i = 0; i < 16; i++)
633 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
634 for (i = 0; i < 16; i++)
635 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
636 for (i = 0; i < 16; i++)
637 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
638
639 /* MAC */
640 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
641 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
642 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
643 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
644 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
645 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
646 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
647 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
648 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
649 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
650 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
651 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
652 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
653 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
654 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
655 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
656 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
657 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
658 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
659 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
660 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
661 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
662 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
663 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
664 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
665 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
666 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
667 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
668 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
669 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
670 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
671 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
672 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
673
674 /* Diagnostic */
675 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
676 for (i = 0; i < 8; i++)
677 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
678 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
679 for (i = 0; i < 4; i++)
680 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
681 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
682 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
683 for (i = 0; i < 8; i++)
684 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
685 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
686 for (i = 0; i < 4; i++)
687 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
688 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
689 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
690 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
691 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
692 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
693 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
694 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
695 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
696 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
697 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
698 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
699 for (i = 0; i < 8; i++)
700 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
701 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
702 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
703 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
704 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
705 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
706 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
707 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
708 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
709 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
710 }
711
712 static int ixgbe_get_eeprom_len(struct net_device *netdev)
713 {
714 struct ixgbe_adapter *adapter = netdev_priv(netdev);
715 return adapter->hw.eeprom.word_size * 2;
716 }
717
718 static int ixgbe_get_eeprom(struct net_device *netdev,
719 struct ethtool_eeprom *eeprom, u8 *bytes)
720 {
721 struct ixgbe_adapter *adapter = netdev_priv(netdev);
722 struct ixgbe_hw *hw = &adapter->hw;
723 u16 *eeprom_buff;
724 int first_word, last_word, eeprom_len;
725 int ret_val = 0;
726 u16 i;
727
728 if (eeprom->len == 0)
729 return -EINVAL;
730
731 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
732
733 first_word = eeprom->offset >> 1;
734 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
735 eeprom_len = last_word - first_word + 1;
736
737 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
738 if (!eeprom_buff)
739 return -ENOMEM;
740
741 for (i = 0; i < eeprom_len; i++) {
742 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
743 &eeprom_buff[i])))
744 break;
745 }
746
747 /* Device's eeprom is always little-endian, word addressable */
748 for (i = 0; i < eeprom_len; i++)
749 le16_to_cpus(&eeprom_buff[i]);
750
751 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
752 kfree(eeprom_buff);
753
754 return ret_val;
755 }
756
757 static void ixgbe_get_drvinfo(struct net_device *netdev,
758 struct ethtool_drvinfo *drvinfo)
759 {
760 struct ixgbe_adapter *adapter = netdev_priv(netdev);
761 char firmware_version[32];
762
763 strncpy(drvinfo->driver, ixgbe_driver_name, 32);
764 strncpy(drvinfo->version, ixgbe_driver_version, 32);
765
766 sprintf(firmware_version, "%d.%d-%d",
767 (adapter->eeprom_version & 0xF000) >> 12,
768 (adapter->eeprom_version & 0x0FF0) >> 4,
769 adapter->eeprom_version & 0x000F);
770
771 strncpy(drvinfo->fw_version, firmware_version, 32);
772 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
773 drvinfo->n_stats = IXGBE_STATS_LEN;
774 drvinfo->testinfo_len = IXGBE_TEST_LEN;
775 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
776 }
777
778 static void ixgbe_get_ringparam(struct net_device *netdev,
779 struct ethtool_ringparam *ring)
780 {
781 struct ixgbe_adapter *adapter = netdev_priv(netdev);
782 struct ixgbe_ring *tx_ring = adapter->tx_ring;
783 struct ixgbe_ring *rx_ring = adapter->rx_ring;
784
785 ring->rx_max_pending = IXGBE_MAX_RXD;
786 ring->tx_max_pending = IXGBE_MAX_TXD;
787 ring->rx_mini_max_pending = 0;
788 ring->rx_jumbo_max_pending = 0;
789 ring->rx_pending = rx_ring->count;
790 ring->tx_pending = tx_ring->count;
791 ring->rx_mini_pending = 0;
792 ring->rx_jumbo_pending = 0;
793 }
794
795 static int ixgbe_set_ringparam(struct net_device *netdev,
796 struct ethtool_ringparam *ring)
797 {
798 struct ixgbe_adapter *adapter = netdev_priv(netdev);
799 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
800 int i, err;
801 u32 new_rx_count, new_tx_count;
802 bool need_update = false;
803
804 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
805 return -EINVAL;
806
807 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
808 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
809 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
810
811 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
812 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
813 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
814
815 if ((new_tx_count == adapter->tx_ring->count) &&
816 (new_rx_count == adapter->rx_ring->count)) {
817 /* nothing to do */
818 return 0;
819 }
820
821 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
822 msleep(1);
823
824 temp_tx_ring = kcalloc(adapter->num_tx_queues,
825 sizeof(struct ixgbe_ring), GFP_KERNEL);
826 if (!temp_tx_ring) {
827 err = -ENOMEM;
828 goto err_setup;
829 }
830
831 if (new_tx_count != adapter->tx_ring_count) {
832 memcpy(temp_tx_ring, adapter->tx_ring,
833 adapter->num_tx_queues * sizeof(struct ixgbe_ring));
834 for (i = 0; i < adapter->num_tx_queues; i++) {
835 temp_tx_ring[i].count = new_tx_count;
836 err = ixgbe_setup_tx_resources(adapter,
837 &temp_tx_ring[i]);
838 if (err) {
839 while (i) {
840 i--;
841 ixgbe_free_tx_resources(adapter,
842 &temp_tx_ring[i]);
843 }
844 goto err_setup;
845 }
846 }
847 need_update = true;
848 }
849
850 temp_rx_ring = kcalloc(adapter->num_rx_queues,
851 sizeof(struct ixgbe_ring), GFP_KERNEL);
852 if ((!temp_rx_ring) && (need_update)) {
853 for (i = 0; i < adapter->num_tx_queues; i++)
854 ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
855 kfree(temp_tx_ring);
856 err = -ENOMEM;
857 goto err_setup;
858 }
859
860 if (new_rx_count != adapter->rx_ring_count) {
861 memcpy(temp_rx_ring, adapter->rx_ring,
862 adapter->num_rx_queues * sizeof(struct ixgbe_ring));
863 for (i = 0; i < adapter->num_rx_queues; i++) {
864 temp_rx_ring[i].count = new_rx_count;
865 err = ixgbe_setup_rx_resources(adapter,
866 &temp_rx_ring[i]);
867 if (err) {
868 while (i) {
869 i--;
870 ixgbe_free_rx_resources(adapter,
871 &temp_rx_ring[i]);
872 }
873 goto err_setup;
874 }
875 }
876 need_update = true;
877 }
878
879 /* if rings need to be updated, here's the place to do it in one shot */
880 if (need_update) {
881 if (netif_running(netdev))
882 ixgbe_down(adapter);
883
884 /* tx */
885 if (new_tx_count != adapter->tx_ring_count) {
886 kfree(adapter->tx_ring);
887 adapter->tx_ring = temp_tx_ring;
888 temp_tx_ring = NULL;
889 adapter->tx_ring_count = new_tx_count;
890 }
891
892 /* rx */
893 if (new_rx_count != adapter->rx_ring_count) {
894 kfree(adapter->rx_ring);
895 adapter->rx_ring = temp_rx_ring;
896 temp_rx_ring = NULL;
897 adapter->rx_ring_count = new_rx_count;
898 }
899 }
900
901 /* success! */
902 err = 0;
903 if (netif_running(netdev))
904 ixgbe_up(adapter);
905
906 err_setup:
907 clear_bit(__IXGBE_RESETTING, &adapter->state);
908 return err;
909 }
910
911 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
912 {
913 switch (sset) {
914 case ETH_SS_TEST:
915 return IXGBE_TEST_LEN;
916 case ETH_SS_STATS:
917 return IXGBE_STATS_LEN;
918 default:
919 return -EOPNOTSUPP;
920 }
921 }
922
923 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
924 struct ethtool_stats *stats, u64 *data)
925 {
926 struct ixgbe_adapter *adapter = netdev_priv(netdev);
927 u64 *queue_stat;
928 int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
929 int j, k;
930 int i;
931
932 ixgbe_update_stats(adapter);
933 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
934 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
935 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
936 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
937 }
938 for (j = 0; j < adapter->num_tx_queues; j++) {
939 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
940 for (k = 0; k < stat_count; k++)
941 data[i + k] = queue_stat[k];
942 i += k;
943 }
944 for (j = 0; j < adapter->num_rx_queues; j++) {
945 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
946 for (k = 0; k < stat_count; k++)
947 data[i + k] = queue_stat[k];
948 i += k;
949 }
950 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
951 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
952 data[i++] = adapter->stats.pxontxc[j];
953 data[i++] = adapter->stats.pxofftxc[j];
954 }
955 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
956 data[i++] = adapter->stats.pxonrxc[j];
957 data[i++] = adapter->stats.pxoffrxc[j];
958 }
959 }
960 }
961
962 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
963 u8 *data)
964 {
965 struct ixgbe_adapter *adapter = netdev_priv(netdev);
966 char *p = (char *)data;
967 int i;
968
969 switch (stringset) {
970 case ETH_SS_TEST:
971 memcpy(data, *ixgbe_gstrings_test,
972 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
973 break;
974 case ETH_SS_STATS:
975 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
976 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
977 ETH_GSTRING_LEN);
978 p += ETH_GSTRING_LEN;
979 }
980 for (i = 0; i < adapter->num_tx_queues; i++) {
981 sprintf(p, "tx_queue_%u_packets", i);
982 p += ETH_GSTRING_LEN;
983 sprintf(p, "tx_queue_%u_bytes", i);
984 p += ETH_GSTRING_LEN;
985 }
986 for (i = 0; i < adapter->num_rx_queues; i++) {
987 sprintf(p, "rx_queue_%u_packets", i);
988 p += ETH_GSTRING_LEN;
989 sprintf(p, "rx_queue_%u_bytes", i);
990 p += ETH_GSTRING_LEN;
991 }
992 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
993 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
994 sprintf(p, "tx_pb_%u_pxon", i);
995 p += ETH_GSTRING_LEN;
996 sprintf(p, "tx_pb_%u_pxoff", i);
997 p += ETH_GSTRING_LEN;
998 }
999 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1000 sprintf(p, "rx_pb_%u_pxon", i);
1001 p += ETH_GSTRING_LEN;
1002 sprintf(p, "rx_pb_%u_pxoff", i);
1003 p += ETH_GSTRING_LEN;
1004 }
1005 }
1006 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1007 break;
1008 }
1009 }
1010
1011 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1012 {
1013 struct ixgbe_hw *hw = &adapter->hw;
1014 bool link_up;
1015 u32 link_speed = 0;
1016 *data = 0;
1017
1018 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1019 if (link_up)
1020 return *data;
1021 else
1022 *data = 1;
1023 return *data;
1024 }
1025
1026 /* ethtool register test data */
1027 struct ixgbe_reg_test {
1028 u16 reg;
1029 u8 array_len;
1030 u8 test_type;
1031 u32 mask;
1032 u32 write;
1033 };
1034
1035 /* In the hardware, registers are laid out either singly, in arrays
1036 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1037 * most tests take place on arrays or single registers (handled
1038 * as a single-element array) and special-case the tables.
1039 * Table tests are always pattern tests.
1040 *
1041 * We also make provision for some required setup steps by specifying
1042 * registers to be written without any read-back testing.
1043 */
1044
1045 #define PATTERN_TEST 1
1046 #define SET_READ_TEST 2
1047 #define WRITE_NO_TEST 3
1048 #define TABLE32_TEST 4
1049 #define TABLE64_TEST_LO 5
1050 #define TABLE64_TEST_HI 6
1051
1052 /* default 82599 register test */
1053 static struct ixgbe_reg_test reg_test_82599[] = {
1054 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1055 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1056 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1057 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1058 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1059 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1060 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1061 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1062 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1063 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1064 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1065 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1066 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1067 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1068 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1069 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1070 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1071 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1072 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1073 { 0, 0, 0, 0 }
1074 };
1075
1076 /* default 82598 register test */
1077 static struct ixgbe_reg_test reg_test_82598[] = {
1078 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1079 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1080 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1081 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1082 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1083 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1084 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1085 /* Enable all four RX queues before testing. */
1086 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1087 /* RDH is read-only for 82598, only test RDT. */
1088 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1089 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1090 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1091 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1092 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1093 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1094 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1095 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1096 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1097 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1098 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1099 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1100 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1101 { 0, 0, 0, 0 }
1102 };
1103
1104 #define REG_PATTERN_TEST(R, M, W) \
1105 { \
1106 u32 pat, val, before; \
1107 const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
1108 for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { \
1109 before = readl(adapter->hw.hw_addr + R); \
1110 writel((_test[pat] & W), (adapter->hw.hw_addr + R)); \
1111 val = readl(adapter->hw.hw_addr + R); \
1112 if (val != (_test[pat] & W & M)) { \
1113 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got "\
1114 "0x%08X expected 0x%08X\n", \
1115 R, val, (_test[pat] & W & M)); \
1116 *data = R; \
1117 writel(before, adapter->hw.hw_addr + R); \
1118 return 1; \
1119 } \
1120 writel(before, adapter->hw.hw_addr + R); \
1121 } \
1122 }
1123
1124 #define REG_SET_AND_CHECK(R, M, W) \
1125 { \
1126 u32 val, before; \
1127 before = readl(adapter->hw.hw_addr + R); \
1128 writel((W & M), (adapter->hw.hw_addr + R)); \
1129 val = readl(adapter->hw.hw_addr + R); \
1130 if ((W & M) != (val & M)) { \
1131 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
1132 "expected 0x%08X\n", R, (val & M), (W & M)); \
1133 *data = R; \
1134 writel(before, (adapter->hw.hw_addr + R)); \
1135 return 1; \
1136 } \
1137 writel(before, (adapter->hw.hw_addr + R)); \
1138 }
1139
1140 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1141 {
1142 struct ixgbe_reg_test *test;
1143 u32 value, before, after;
1144 u32 i, toggle;
1145
1146 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1147 toggle = 0x7FFFF30F;
1148 test = reg_test_82599;
1149 } else {
1150 toggle = 0x7FFFF3FF;
1151 test = reg_test_82598;
1152 }
1153
1154 /*
1155 * Because the status register is such a special case,
1156 * we handle it separately from the rest of the register
1157 * tests. Some bits are read-only, some toggle, and some
1158 * are writeable on newer MACs.
1159 */
1160 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1161 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1162 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1163 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1164 if (value != after) {
1165 DPRINTK(DRV, ERR, "failed STATUS register test got: "
1166 "0x%08X expected: 0x%08X\n", after, value);
1167 *data = 1;
1168 return 1;
1169 }
1170 /* restore previous status */
1171 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1172
1173 /*
1174 * Perform the remainder of the register test, looping through
1175 * the test table until we either fail or reach the null entry.
1176 */
1177 while (test->reg) {
1178 for (i = 0; i < test->array_len; i++) {
1179 switch (test->test_type) {
1180 case PATTERN_TEST:
1181 REG_PATTERN_TEST(test->reg + (i * 0x40),
1182 test->mask,
1183 test->write);
1184 break;
1185 case SET_READ_TEST:
1186 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1187 test->mask,
1188 test->write);
1189 break;
1190 case WRITE_NO_TEST:
1191 writel(test->write,
1192 (adapter->hw.hw_addr + test->reg)
1193 + (i * 0x40));
1194 break;
1195 case TABLE32_TEST:
1196 REG_PATTERN_TEST(test->reg + (i * 4),
1197 test->mask,
1198 test->write);
1199 break;
1200 case TABLE64_TEST_LO:
1201 REG_PATTERN_TEST(test->reg + (i * 8),
1202 test->mask,
1203 test->write);
1204 break;
1205 case TABLE64_TEST_HI:
1206 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1207 test->mask,
1208 test->write);
1209 break;
1210 }
1211 }
1212 test++;
1213 }
1214
1215 *data = 0;
1216 return 0;
1217 }
1218
1219 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1220 {
1221 struct ixgbe_hw *hw = &adapter->hw;
1222 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1223 *data = 1;
1224 else
1225 *data = 0;
1226 return *data;
1227 }
1228
1229 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1230 {
1231 struct net_device *netdev = (struct net_device *) data;
1232 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1233
1234 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1235
1236 return IRQ_HANDLED;
1237 }
1238
1239 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1240 {
1241 struct net_device *netdev = adapter->netdev;
1242 u32 mask, i = 0, shared_int = true;
1243 u32 irq = adapter->pdev->irq;
1244
1245 *data = 0;
1246
1247 /* Hook up test interrupt handler just for this test */
1248 if (adapter->msix_entries) {
1249 /* NOTE: we don't test MSI-X interrupts here, yet */
1250 return 0;
1251 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1252 shared_int = false;
1253 if (request_irq(irq, &ixgbe_test_intr, 0, netdev->name,
1254 netdev)) {
1255 *data = 1;
1256 return -1;
1257 }
1258 } else if (!request_irq(irq, &ixgbe_test_intr, IRQF_PROBE_SHARED,
1259 netdev->name, netdev)) {
1260 shared_int = false;
1261 } else if (request_irq(irq, &ixgbe_test_intr, IRQF_SHARED,
1262 netdev->name, netdev)) {
1263 *data = 1;
1264 return -1;
1265 }
1266 DPRINTK(HW, INFO, "testing %s interrupt\n",
1267 (shared_int ? "shared" : "unshared"));
1268
1269 /* Disable all the interrupts */
1270 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1271 msleep(10);
1272
1273 /* Test each interrupt */
1274 for (; i < 10; i++) {
1275 /* Interrupt to test */
1276 mask = 1 << i;
1277
1278 if (!shared_int) {
1279 /*
1280 * Disable the interrupts to be reported in
1281 * the cause register and then force the same
1282 * interrupt and see if one gets posted. If
1283 * an interrupt was posted to the bus, the
1284 * test failed.
1285 */
1286 adapter->test_icr = 0;
1287 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1288 ~mask & 0x00007FFF);
1289 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1290 ~mask & 0x00007FFF);
1291 msleep(10);
1292
1293 if (adapter->test_icr & mask) {
1294 *data = 3;
1295 break;
1296 }
1297 }
1298
1299 /*
1300 * Enable the interrupt to be reported in the cause
1301 * register and then force the same interrupt and see
1302 * if one gets posted. If an interrupt was not posted
1303 * to the bus, the test failed.
1304 */
1305 adapter->test_icr = 0;
1306 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1307 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1308 msleep(10);
1309
1310 if (!(adapter->test_icr &mask)) {
1311 *data = 4;
1312 break;
1313 }
1314
1315 if (!shared_int) {
1316 /*
1317 * Disable the other interrupts to be reported in
1318 * the cause register and then force the other
1319 * interrupts and see if any get posted. If
1320 * an interrupt was posted to the bus, the
1321 * test failed.
1322 */
1323 adapter->test_icr = 0;
1324 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1325 ~mask & 0x00007FFF);
1326 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1327 ~mask & 0x00007FFF);
1328 msleep(10);
1329
1330 if (adapter->test_icr) {
1331 *data = 5;
1332 break;
1333 }
1334 }
1335 }
1336
1337 /* Disable all the interrupts */
1338 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1339 msleep(10);
1340
1341 /* Unhook test interrupt handler */
1342 free_irq(irq, netdev);
1343
1344 return *data;
1345 }
1346
1347 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1348 {
1349 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1350 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1351 struct ixgbe_hw *hw = &adapter->hw;
1352 struct pci_dev *pdev = adapter->pdev;
1353 u32 reg_ctl;
1354 int i;
1355
1356 /* shut down the DMA engines now so they can be reinitialized later */
1357
1358 /* first Rx */
1359 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1360 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1361 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1362 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(0));
1363 reg_ctl &= ~IXGBE_RXDCTL_ENABLE;
1364 IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(0), reg_ctl);
1365
1366 /* now Tx */
1367 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(0));
1368 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1369 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(0), reg_ctl);
1370 if (hw->mac.type == ixgbe_mac_82599EB) {
1371 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1372 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1373 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1374 }
1375
1376 ixgbe_reset(adapter);
1377
1378 if (tx_ring->desc && tx_ring->tx_buffer_info) {
1379 for (i = 0; i < tx_ring->count; i++) {
1380 struct ixgbe_tx_buffer *buf =
1381 &(tx_ring->tx_buffer_info[i]);
1382 if (buf->dma)
1383 pci_unmap_single(pdev, buf->dma, buf->length,
1384 PCI_DMA_TODEVICE);
1385 if (buf->skb)
1386 dev_kfree_skb(buf->skb);
1387 }
1388 }
1389
1390 if (rx_ring->desc && rx_ring->rx_buffer_info) {
1391 for (i = 0; i < rx_ring->count; i++) {
1392 struct ixgbe_rx_buffer *buf =
1393 &(rx_ring->rx_buffer_info[i]);
1394 if (buf->dma)
1395 pci_unmap_single(pdev, buf->dma,
1396 IXGBE_RXBUFFER_2048,
1397 PCI_DMA_FROMDEVICE);
1398 if (buf->skb)
1399 dev_kfree_skb(buf->skb);
1400 }
1401 }
1402
1403 if (tx_ring->desc) {
1404 pci_free_consistent(pdev, tx_ring->size, tx_ring->desc,
1405 tx_ring->dma);
1406 tx_ring->desc = NULL;
1407 }
1408 if (rx_ring->desc) {
1409 pci_free_consistent(pdev, rx_ring->size, rx_ring->desc,
1410 rx_ring->dma);
1411 rx_ring->desc = NULL;
1412 }
1413
1414 kfree(tx_ring->tx_buffer_info);
1415 tx_ring->tx_buffer_info = NULL;
1416 kfree(rx_ring->rx_buffer_info);
1417 rx_ring->rx_buffer_info = NULL;
1418
1419 return;
1420 }
1421
1422 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1423 {
1424 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1425 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1426 struct pci_dev *pdev = adapter->pdev;
1427 u32 rctl, reg_data;
1428 int i, ret_val;
1429
1430 /* Setup Tx descriptor ring and Tx buffers */
1431
1432 if (!tx_ring->count)
1433 tx_ring->count = IXGBE_DEFAULT_TXD;
1434
1435 tx_ring->tx_buffer_info = kcalloc(tx_ring->count,
1436 sizeof(struct ixgbe_tx_buffer),
1437 GFP_KERNEL);
1438 if (!(tx_ring->tx_buffer_info)) {
1439 ret_val = 1;
1440 goto err_nomem;
1441 }
1442
1443 tx_ring->size = tx_ring->count * sizeof(struct ixgbe_legacy_tx_desc);
1444 tx_ring->size = ALIGN(tx_ring->size, 4096);
1445 if (!(tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size,
1446 &tx_ring->dma))) {
1447 ret_val = 2;
1448 goto err_nomem;
1449 }
1450 tx_ring->next_to_use = tx_ring->next_to_clean = 0;
1451
1452 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAL(0),
1453 ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1454 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDBAH(0),
1455 ((u64) tx_ring->dma >> 32));
1456 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDLEN(0),
1457 tx_ring->count * sizeof(struct ixgbe_legacy_tx_desc));
1458 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDH(0), 0);
1459 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), 0);
1460
1461 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1462 reg_data |= IXGBE_HLREG0_TXPADEN;
1463 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1464
1465 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1466 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1467 reg_data |= IXGBE_DMATXCTL_TE;
1468 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1469 }
1470 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_TXDCTL(0));
1471 reg_data |= IXGBE_TXDCTL_ENABLE;
1472 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(0), reg_data);
1473
1474 for (i = 0; i < tx_ring->count; i++) {
1475 struct ixgbe_legacy_tx_desc *desc = IXGBE_TX_DESC(*tx_ring, i);
1476 struct sk_buff *skb;
1477 unsigned int size = 1024;
1478
1479 skb = alloc_skb(size, GFP_KERNEL);
1480 if (!skb) {
1481 ret_val = 3;
1482 goto err_nomem;
1483 }
1484 skb_put(skb, size);
1485 tx_ring->tx_buffer_info[i].skb = skb;
1486 tx_ring->tx_buffer_info[i].length = skb->len;
1487 tx_ring->tx_buffer_info[i].dma =
1488 pci_map_single(pdev, skb->data, skb->len,
1489 PCI_DMA_TODEVICE);
1490 desc->buffer_addr = cpu_to_le64(tx_ring->tx_buffer_info[i].dma);
1491 desc->lower.data = cpu_to_le32(skb->len);
1492 desc->lower.data |= cpu_to_le32(IXGBE_TXD_CMD_EOP |
1493 IXGBE_TXD_CMD_IFCS |
1494 IXGBE_TXD_CMD_RS);
1495 desc->upper.data = 0;
1496 }
1497
1498 /* Setup Rx Descriptor ring and Rx buffers */
1499
1500 if (!rx_ring->count)
1501 rx_ring->count = IXGBE_DEFAULT_RXD;
1502
1503 rx_ring->rx_buffer_info = kcalloc(rx_ring->count,
1504 sizeof(struct ixgbe_rx_buffer),
1505 GFP_KERNEL);
1506 if (!(rx_ring->rx_buffer_info)) {
1507 ret_val = 4;
1508 goto err_nomem;
1509 }
1510
1511 rx_ring->size = rx_ring->count * sizeof(struct ixgbe_legacy_rx_desc);
1512 rx_ring->size = ALIGN(rx_ring->size, 4096);
1513 if (!(rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size,
1514 &rx_ring->dma))) {
1515 ret_val = 5;
1516 goto err_nomem;
1517 }
1518 rx_ring->next_to_use = rx_ring->next_to_clean = 0;
1519
1520 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1521 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1522 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAL(0),
1523 ((u64)rx_ring->dma & 0xFFFFFFFF));
1524 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDBAH(0),
1525 ((u64) rx_ring->dma >> 32));
1526 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDLEN(0), rx_ring->size);
1527 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDH(0), 0);
1528 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), 0);
1529
1530 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1531 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1532 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1533
1534 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1535 reg_data &= ~IXGBE_HLREG0_LPBK;
1536 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1537
1538 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RDRXCTL);
1539 #define IXGBE_RDRXCTL_RDMTS_MASK 0x00000003 /* Receive Descriptor Minimum
1540 Threshold Size mask */
1541 reg_data &= ~IXGBE_RDRXCTL_RDMTS_MASK;
1542 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDRXCTL, reg_data);
1543
1544 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MCSTCTRL);
1545 #define IXGBE_MCSTCTRL_MO_MASK 0x00000003 /* Multicast Offset mask */
1546 reg_data &= ~IXGBE_MCSTCTRL_MO_MASK;
1547 reg_data |= adapter->hw.mac.mc_filter_type;
1548 IXGBE_WRITE_REG(&adapter->hw, IXGBE_MCSTCTRL, reg_data);
1549
1550 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(0));
1551 reg_data |= IXGBE_RXDCTL_ENABLE;
1552 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(0), reg_data);
1553 if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
1554 int j = adapter->rx_ring[0].reg_idx;
1555 u32 k;
1556 for (k = 0; k < 10; k++) {
1557 if (IXGBE_READ_REG(&adapter->hw,
1558 IXGBE_RXDCTL(j)) & IXGBE_RXDCTL_ENABLE)
1559 break;
1560 else
1561 msleep(1);
1562 }
1563 }
1564
1565 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1566 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1567
1568 for (i = 0; i < rx_ring->count; i++) {
1569 struct ixgbe_legacy_rx_desc *rx_desc =
1570 IXGBE_RX_DESC(*rx_ring, i);
1571 struct sk_buff *skb;
1572
1573 skb = alloc_skb(IXGBE_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1574 if (!skb) {
1575 ret_val = 6;
1576 goto err_nomem;
1577 }
1578 skb_reserve(skb, NET_IP_ALIGN);
1579 rx_ring->rx_buffer_info[i].skb = skb;
1580 rx_ring->rx_buffer_info[i].dma =
1581 pci_map_single(pdev, skb->data, IXGBE_RXBUFFER_2048,
1582 PCI_DMA_FROMDEVICE);
1583 rx_desc->buffer_addr =
1584 cpu_to_le64(rx_ring->rx_buffer_info[i].dma);
1585 memset(skb->data, 0x00, skb->len);
1586 }
1587
1588 return 0;
1589
1590 err_nomem:
1591 ixgbe_free_desc_rings(adapter);
1592 return ret_val;
1593 }
1594
1595 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1596 {
1597 struct ixgbe_hw *hw = &adapter->hw;
1598 u32 reg_data;
1599
1600 /* right now we only support MAC loopback in the driver */
1601
1602 /* Setup MAC loopback */
1603 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1604 reg_data |= IXGBE_HLREG0_LPBK;
1605 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1606
1607 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1608 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1609 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1610 IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1611
1612 /* Disable Atlas Tx lanes; re-enabled in reset path */
1613 if (hw->mac.type == ixgbe_mac_82598EB) {
1614 u8 atlas;
1615
1616 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1617 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1618 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1619
1620 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1621 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1622 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1623
1624 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1625 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1626 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1627
1628 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1629 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1630 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1631 }
1632
1633 return 0;
1634 }
1635
1636 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1637 {
1638 u32 reg_data;
1639
1640 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1641 reg_data &= ~IXGBE_HLREG0_LPBK;
1642 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1643 }
1644
1645 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1646 unsigned int frame_size)
1647 {
1648 memset(skb->data, 0xFF, frame_size);
1649 frame_size &= ~1;
1650 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1651 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1652 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1653 }
1654
1655 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1656 unsigned int frame_size)
1657 {
1658 frame_size &= ~1;
1659 if (*(skb->data + 3) == 0xFF) {
1660 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1661 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1662 return 0;
1663 }
1664 }
1665 return 13;
1666 }
1667
1668 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1669 {
1670 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1671 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1672 struct pci_dev *pdev = adapter->pdev;
1673 int i, j, k, l, lc, good_cnt, ret_val = 0;
1674 unsigned long time;
1675
1676 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RDT(0), rx_ring->count - 1);
1677
1678 /*
1679 * Calculate the loop count based on the largest descriptor ring
1680 * The idea is to wrap the largest ring a number of times using 64
1681 * send/receive pairs during each loop
1682 */
1683
1684 if (rx_ring->count <= tx_ring->count)
1685 lc = ((tx_ring->count / 64) * 2) + 1;
1686 else
1687 lc = ((rx_ring->count / 64) * 2) + 1;
1688
1689 k = l = 0;
1690 for (j = 0; j <= lc; j++) {
1691 for (i = 0; i < 64; i++) {
1692 ixgbe_create_lbtest_frame(
1693 tx_ring->tx_buffer_info[k].skb,
1694 1024);
1695 pci_dma_sync_single_for_device(pdev,
1696 tx_ring->tx_buffer_info[k].dma,
1697 tx_ring->tx_buffer_info[k].length,
1698 PCI_DMA_TODEVICE);
1699 if (unlikely(++k == tx_ring->count))
1700 k = 0;
1701 }
1702 IXGBE_WRITE_REG(&adapter->hw, IXGBE_TDT(0), k);
1703 msleep(200);
1704 /* set the start time for the receive */
1705 time = jiffies;
1706 good_cnt = 0;
1707 do {
1708 /* receive the sent packets */
1709 pci_dma_sync_single_for_cpu(pdev,
1710 rx_ring->rx_buffer_info[l].dma,
1711 IXGBE_RXBUFFER_2048,
1712 PCI_DMA_FROMDEVICE);
1713 ret_val = ixgbe_check_lbtest_frame(
1714 rx_ring->rx_buffer_info[l].skb, 1024);
1715 if (!ret_val)
1716 good_cnt++;
1717 if (++l == rx_ring->count)
1718 l = 0;
1719 /*
1720 * time + 20 msecs (200 msecs on 2.4) is more than
1721 * enough time to complete the receives, if it's
1722 * exceeded, break and error off
1723 */
1724 } while (good_cnt < 64 && jiffies < (time + 20));
1725 if (good_cnt != 64) {
1726 /* ret_val is the same as mis-compare */
1727 ret_val = 13;
1728 break;
1729 }
1730 if (jiffies >= (time + 20)) {
1731 /* Error code for time out error */
1732 ret_val = 14;
1733 break;
1734 }
1735 }
1736
1737 return ret_val;
1738 }
1739
1740 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1741 {
1742 *data = ixgbe_setup_desc_rings(adapter);
1743 if (*data)
1744 goto out;
1745 *data = ixgbe_setup_loopback_test(adapter);
1746 if (*data)
1747 goto err_loopback;
1748 *data = ixgbe_run_loopback_test(adapter);
1749 ixgbe_loopback_cleanup(adapter);
1750
1751 err_loopback:
1752 ixgbe_free_desc_rings(adapter);
1753 out:
1754 return *data;
1755 }
1756
1757 static void ixgbe_diag_test(struct net_device *netdev,
1758 struct ethtool_test *eth_test, u64 *data)
1759 {
1760 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1761 bool if_running = netif_running(netdev);
1762
1763 set_bit(__IXGBE_TESTING, &adapter->state);
1764 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1765 /* Offline tests */
1766
1767 DPRINTK(HW, INFO, "offline testing starting\n");
1768
1769 /* Link test performed before hardware reset so autoneg doesn't
1770 * interfere with test result */
1771 if (ixgbe_link_test(adapter, &data[4]))
1772 eth_test->flags |= ETH_TEST_FL_FAILED;
1773
1774 if (if_running)
1775 /* indicate we're in test mode */
1776 dev_close(netdev);
1777 else
1778 ixgbe_reset(adapter);
1779
1780 DPRINTK(HW, INFO, "register testing starting\n");
1781 if (ixgbe_reg_test(adapter, &data[0]))
1782 eth_test->flags |= ETH_TEST_FL_FAILED;
1783
1784 ixgbe_reset(adapter);
1785 DPRINTK(HW, INFO, "eeprom testing starting\n");
1786 if (ixgbe_eeprom_test(adapter, &data[1]))
1787 eth_test->flags |= ETH_TEST_FL_FAILED;
1788
1789 ixgbe_reset(adapter);
1790 DPRINTK(HW, INFO, "interrupt testing starting\n");
1791 if (ixgbe_intr_test(adapter, &data[2]))
1792 eth_test->flags |= ETH_TEST_FL_FAILED;
1793
1794 ixgbe_reset(adapter);
1795 DPRINTK(HW, INFO, "loopback testing starting\n");
1796 if (ixgbe_loopback_test(adapter, &data[3]))
1797 eth_test->flags |= ETH_TEST_FL_FAILED;
1798
1799 ixgbe_reset(adapter);
1800
1801 clear_bit(__IXGBE_TESTING, &adapter->state);
1802 if (if_running)
1803 dev_open(netdev);
1804 } else {
1805 DPRINTK(HW, INFO, "online testing starting\n");
1806 /* Online tests */
1807 if (ixgbe_link_test(adapter, &data[4]))
1808 eth_test->flags |= ETH_TEST_FL_FAILED;
1809
1810 /* Online tests aren't run; pass by default */
1811 data[0] = 0;
1812 data[1] = 0;
1813 data[2] = 0;
1814 data[3] = 0;
1815
1816 clear_bit(__IXGBE_TESTING, &adapter->state);
1817 }
1818 msleep_interruptible(4 * 1000);
1819 }
1820
1821 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1822 struct ethtool_wolinfo *wol)
1823 {
1824 struct ixgbe_hw *hw = &adapter->hw;
1825 int retval = 1;
1826
1827 switch(hw->device_id) {
1828 case IXGBE_DEV_ID_82599_KX4:
1829 retval = 0;
1830 break;
1831 default:
1832 wol->supported = 0;
1833 }
1834
1835 return retval;
1836 }
1837
1838 static void ixgbe_get_wol(struct net_device *netdev,
1839 struct ethtool_wolinfo *wol)
1840 {
1841 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1842
1843 wol->supported = WAKE_UCAST | WAKE_MCAST |
1844 WAKE_BCAST | WAKE_MAGIC;
1845 wol->wolopts = 0;
1846
1847 if (ixgbe_wol_exclusion(adapter, wol) ||
1848 !device_can_wakeup(&adapter->pdev->dev))
1849 return;
1850
1851 if (adapter->wol & IXGBE_WUFC_EX)
1852 wol->wolopts |= WAKE_UCAST;
1853 if (adapter->wol & IXGBE_WUFC_MC)
1854 wol->wolopts |= WAKE_MCAST;
1855 if (adapter->wol & IXGBE_WUFC_BC)
1856 wol->wolopts |= WAKE_BCAST;
1857 if (adapter->wol & IXGBE_WUFC_MAG)
1858 wol->wolopts |= WAKE_MAGIC;
1859
1860 return;
1861 }
1862
1863 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1864 {
1865 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1866
1867 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1868 return -EOPNOTSUPP;
1869
1870 if (ixgbe_wol_exclusion(adapter, wol))
1871 return wol->wolopts ? -EOPNOTSUPP : 0;
1872
1873 adapter->wol = 0;
1874
1875 if (wol->wolopts & WAKE_UCAST)
1876 adapter->wol |= IXGBE_WUFC_EX;
1877 if (wol->wolopts & WAKE_MCAST)
1878 adapter->wol |= IXGBE_WUFC_MC;
1879 if (wol->wolopts & WAKE_BCAST)
1880 adapter->wol |= IXGBE_WUFC_BC;
1881 if (wol->wolopts & WAKE_MAGIC)
1882 adapter->wol |= IXGBE_WUFC_MAG;
1883
1884 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1885
1886 return 0;
1887 }
1888
1889 static int ixgbe_nway_reset(struct net_device *netdev)
1890 {
1891 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1892
1893 if (netif_running(netdev))
1894 ixgbe_reinit_locked(adapter);
1895
1896 return 0;
1897 }
1898
1899 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1900 {
1901 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1902 struct ixgbe_hw *hw = &adapter->hw;
1903 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1904 u32 i;
1905
1906 if (!data || data > 300)
1907 data = 300;
1908
1909 for (i = 0; i < (data * 1000); i += 400) {
1910 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1911 msleep_interruptible(200);
1912 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1913 msleep_interruptible(200);
1914 }
1915
1916 /* Restore LED settings */
1917 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1918
1919 return 0;
1920 }
1921
1922 static int ixgbe_get_coalesce(struct net_device *netdev,
1923 struct ethtool_coalesce *ec)
1924 {
1925 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1926
1927 ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1928
1929 /* only valid if in constant ITR mode */
1930 switch (adapter->itr_setting) {
1931 case 0:
1932 /* throttling disabled */
1933 ec->rx_coalesce_usecs = 0;
1934 break;
1935 case 1:
1936 /* dynamic ITR mode */
1937 ec->rx_coalesce_usecs = 1;
1938 break;
1939 default:
1940 /* fixed interrupt rate mode */
1941 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1942 break;
1943 }
1944 return 0;
1945 }
1946
1947 static int ixgbe_set_coalesce(struct net_device *netdev,
1948 struct ethtool_coalesce *ec)
1949 {
1950 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1951 struct ixgbe_q_vector *q_vector;
1952 int i;
1953
1954 if (ec->tx_max_coalesced_frames_irq)
1955 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1956
1957 if (ec->rx_coalesce_usecs > 1) {
1958 /* check the limits */
1959 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1960 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1961 return -EINVAL;
1962
1963 /* store the value in ints/second */
1964 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1965
1966 /* static value of interrupt rate */
1967 adapter->itr_setting = adapter->eitr_param;
1968 /* clear the lower bit as its used for dynamic state */
1969 adapter->itr_setting &= ~1;
1970 } else if (ec->rx_coalesce_usecs == 1) {
1971 /* 1 means dynamic mode */
1972 adapter->eitr_param = 20000;
1973 adapter->itr_setting = 1;
1974 } else {
1975 /*
1976 * any other value means disable eitr, which is best
1977 * served by setting the interrupt rate very high
1978 */
1979 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)
1980 adapter->eitr_param = IXGBE_MAX_RSC_INT_RATE;
1981 else
1982 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1983 adapter->itr_setting = 0;
1984 }
1985
1986 /* MSI/MSIx Interrupt Mode */
1987 if (adapter->flags &
1988 (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
1989 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
1990 for (i = 0; i < num_vectors; i++) {
1991 q_vector = adapter->q_vector[i];
1992 if (q_vector->txr_count && !q_vector->rxr_count)
1993 /* tx vector gets half the rate */
1994 q_vector->eitr = (adapter->eitr_param >> 1);
1995 else
1996 /* rx only or mixed */
1997 q_vector->eitr = adapter->eitr_param;
1998 ixgbe_write_eitr(q_vector);
1999 }
2000 /* Legacy Interrupt Mode */
2001 } else {
2002 q_vector = adapter->q_vector[0];
2003 q_vector->eitr = adapter->eitr_param;
2004 ixgbe_write_eitr(q_vector);
2005 }
2006
2007 return 0;
2008 }
2009
2010 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
2011 {
2012 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2013
2014 ethtool_op_set_flags(netdev, data);
2015
2016 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2017 return 0;
2018
2019 /* if state changes we need to update adapter->flags and reset */
2020 if ((!!(data & ETH_FLAG_LRO)) !=
2021 (!!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED))) {
2022 adapter->flags2 ^= IXGBE_FLAG2_RSC_ENABLED;
2023 if (netif_running(netdev))
2024 ixgbe_reinit_locked(adapter);
2025 else
2026 ixgbe_reset(adapter);
2027 }
2028 return 0;
2029
2030 }
2031
2032 static const struct ethtool_ops ixgbe_ethtool_ops = {
2033 .get_settings = ixgbe_get_settings,
2034 .set_settings = ixgbe_set_settings,
2035 .get_drvinfo = ixgbe_get_drvinfo,
2036 .get_regs_len = ixgbe_get_regs_len,
2037 .get_regs = ixgbe_get_regs,
2038 .get_wol = ixgbe_get_wol,
2039 .set_wol = ixgbe_set_wol,
2040 .nway_reset = ixgbe_nway_reset,
2041 .get_link = ethtool_op_get_link,
2042 .get_eeprom_len = ixgbe_get_eeprom_len,
2043 .get_eeprom = ixgbe_get_eeprom,
2044 .get_ringparam = ixgbe_get_ringparam,
2045 .set_ringparam = ixgbe_set_ringparam,
2046 .get_pauseparam = ixgbe_get_pauseparam,
2047 .set_pauseparam = ixgbe_set_pauseparam,
2048 .get_rx_csum = ixgbe_get_rx_csum,
2049 .set_rx_csum = ixgbe_set_rx_csum,
2050 .get_tx_csum = ixgbe_get_tx_csum,
2051 .set_tx_csum = ixgbe_set_tx_csum,
2052 .get_sg = ethtool_op_get_sg,
2053 .set_sg = ethtool_op_set_sg,
2054 .get_msglevel = ixgbe_get_msglevel,
2055 .set_msglevel = ixgbe_set_msglevel,
2056 .get_tso = ethtool_op_get_tso,
2057 .set_tso = ixgbe_set_tso,
2058 .self_test = ixgbe_diag_test,
2059 .get_strings = ixgbe_get_strings,
2060 .phys_id = ixgbe_phys_id,
2061 .get_sset_count = ixgbe_get_sset_count,
2062 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2063 .get_coalesce = ixgbe_get_coalesce,
2064 .set_coalesce = ixgbe_set_coalesce,
2065 .get_flags = ethtool_op_get_flags,
2066 .set_flags = ixgbe_set_flags,
2067 };
2068
2069 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2070 {
2071 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
2072 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree