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Linux-2.6.12-rc2
[mirror_ubuntu-zesty-kernel.git] / drivers / net / ixgb / ixgb_ethtool.c
1 /*******************************************************************************
2
3
4 Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 The full GNU General Public License is included in this distribution in the
21 file called LICENSE.
22
23 Contact Information:
24 Linux NICS <linux.nics@intel.com>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27 *******************************************************************************/
28
29 /* ethtool support for ixgb */
30
31 #include "ixgb.h"
32
33 #include <asm/uaccess.h>
34
35 extern char ixgb_driver_name[];
36 extern char ixgb_driver_version[];
37
38 extern int ixgb_up(struct ixgb_adapter *adapter);
39 extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog);
40 extern void ixgb_reset(struct ixgb_adapter *adapter);
41 extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
42 extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
43 extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
44 extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
45 extern void ixgb_update_stats(struct ixgb_adapter *adapter);
46
47 struct ixgb_stats {
48 char stat_string[ETH_GSTRING_LEN];
49 int sizeof_stat;
50 int stat_offset;
51 };
52
53 #define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \
54 offsetof(struct ixgb_adapter, m)
55 static struct ixgb_stats ixgb_gstrings_stats[] = {
56 {"rx_packets", IXGB_STAT(net_stats.rx_packets)},
57 {"tx_packets", IXGB_STAT(net_stats.tx_packets)},
58 {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
59 {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
60 {"rx_errors", IXGB_STAT(net_stats.rx_errors)},
61 {"tx_errors", IXGB_STAT(net_stats.tx_errors)},
62 {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
63 {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
64 {"multicast", IXGB_STAT(net_stats.multicast)},
65 {"collisions", IXGB_STAT(net_stats.collisions)},
66
67 /* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */
68 {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
69 {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
70 {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
71 {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
72 {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
73 {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
74 {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
75 {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
76 {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
77 {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
78 {"tx_deferred_ok", IXGB_STAT(stats.dc)},
79 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
80 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
81 #ifdef NETIF_F_TSO
82 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
83 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
84 #endif
85 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
86 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
87 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
88 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
89 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
90 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
91 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
92 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
93 };
94
95 #define IXGB_STATS_LEN \
96 sizeof(ixgb_gstrings_stats) / sizeof(struct ixgb_stats)
97
98 static int
99 ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
100 {
101 struct ixgb_adapter *adapter = netdev->priv;
102
103 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
104 ecmd->advertising = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
105 ecmd->port = PORT_FIBRE;
106 ecmd->transceiver = XCVR_EXTERNAL;
107
108 if(netif_carrier_ok(adapter->netdev)) {
109 ecmd->speed = SPEED_10000;
110 ecmd->duplex = DUPLEX_FULL;
111 } else {
112 ecmd->speed = -1;
113 ecmd->duplex = -1;
114 }
115
116 ecmd->autoneg = AUTONEG_DISABLE;
117 return 0;
118 }
119
120 static int
121 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
122 {
123 struct ixgb_adapter *adapter = netdev->priv;
124
125 if(ecmd->autoneg == AUTONEG_ENABLE ||
126 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
127 return -EINVAL;
128
129 if(netif_running(adapter->netdev)) {
130 ixgb_down(adapter, TRUE);
131 ixgb_reset(adapter);
132 ixgb_up(adapter);
133 } else
134 ixgb_reset(adapter);
135
136 return 0;
137 }
138
139 static void
140 ixgb_get_pauseparam(struct net_device *netdev,
141 struct ethtool_pauseparam *pause)
142 {
143 struct ixgb_adapter *adapter = netdev->priv;
144 struct ixgb_hw *hw = &adapter->hw;
145
146 pause->autoneg = AUTONEG_DISABLE;
147
148 if(hw->fc.type == ixgb_fc_rx_pause)
149 pause->rx_pause = 1;
150 else if(hw->fc.type == ixgb_fc_tx_pause)
151 pause->tx_pause = 1;
152 else if(hw->fc.type == ixgb_fc_full) {
153 pause->rx_pause = 1;
154 pause->tx_pause = 1;
155 }
156 }
157
158 static int
159 ixgb_set_pauseparam(struct net_device *netdev,
160 struct ethtool_pauseparam *pause)
161 {
162 struct ixgb_adapter *adapter = netdev->priv;
163 struct ixgb_hw *hw = &adapter->hw;
164
165 if(pause->autoneg == AUTONEG_ENABLE)
166 return -EINVAL;
167
168 if(pause->rx_pause && pause->tx_pause)
169 hw->fc.type = ixgb_fc_full;
170 else if(pause->rx_pause && !pause->tx_pause)
171 hw->fc.type = ixgb_fc_rx_pause;
172 else if(!pause->rx_pause && pause->tx_pause)
173 hw->fc.type = ixgb_fc_tx_pause;
174 else if(!pause->rx_pause && !pause->tx_pause)
175 hw->fc.type = ixgb_fc_none;
176
177 if(netif_running(adapter->netdev)) {
178 ixgb_down(adapter, TRUE);
179 ixgb_up(adapter);
180 } else
181 ixgb_reset(adapter);
182
183 return 0;
184 }
185
186 static uint32_t
187 ixgb_get_rx_csum(struct net_device *netdev)
188 {
189 struct ixgb_adapter *adapter = netdev->priv;
190 return adapter->rx_csum;
191 }
192
193 static int
194 ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
195 {
196 struct ixgb_adapter *adapter = netdev->priv;
197 adapter->rx_csum = data;
198
199 if(netif_running(netdev)) {
200 ixgb_down(adapter,TRUE);
201 ixgb_up(adapter);
202 } else
203 ixgb_reset(adapter);
204 return 0;
205 }
206
207 static uint32_t
208 ixgb_get_tx_csum(struct net_device *netdev)
209 {
210 return (netdev->features & NETIF_F_HW_CSUM) != 0;
211 }
212
213 static int
214 ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
215 {
216 if (data)
217 netdev->features |= NETIF_F_HW_CSUM;
218 else
219 netdev->features &= ~NETIF_F_HW_CSUM;
220
221 return 0;
222 }
223
224 #ifdef NETIF_F_TSO
225 static int
226 ixgb_set_tso(struct net_device *netdev, uint32_t data)
227 {
228 if(data)
229 netdev->features |= NETIF_F_TSO;
230 else
231 netdev->features &= ~NETIF_F_TSO;
232 return 0;
233 }
234 #endif /* NETIF_F_TSO */
235
236 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
237
238 static int
239 ixgb_get_regs_len(struct net_device *netdev)
240 {
241 #define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
242 return IXGB_REG_DUMP_LEN;
243 }
244
245 static void
246 ixgb_get_regs(struct net_device *netdev,
247 struct ethtool_regs *regs, void *p)
248 {
249 struct ixgb_adapter *adapter = netdev->priv;
250 struct ixgb_hw *hw = &adapter->hw;
251 uint32_t *reg = p;
252 uint32_t *reg_start = reg;
253 uint8_t i;
254
255 regs->version = (adapter->hw.device_id << 16) | adapter->hw.subsystem_id;
256
257 /* General Registers */
258 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
259 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
260 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
261 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
262 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
263
264 /* Interrupt */
265 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
266 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
267 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
268 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
269
270 /* Receive */
271 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
272 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
273 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
274 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
275 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
276 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
277 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
278 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
279 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
280 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
281 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
282 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
283
284 for (i = 0; i < IXGB_RAR_ENTRIES; i++) {
285 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
286 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
287 }
288
289 /* Transmit */
290 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
291 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
292 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
293 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
294 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
295 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
296 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
297 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
298 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
299 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
300
301 /* Physical */
302 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
303 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
304 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
305 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
306 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
307 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
308 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
309 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
310 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
311 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
312 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
313 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
314 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
315
316 /* Statistics */
317 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
318 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
319 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
320 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
321 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
322 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
323 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
324 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
325 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
326 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
327 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
328 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
329 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
330 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
331 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
332 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
333 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
334 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
335 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
336 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
337 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
338 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
339 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
340 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
341 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
342 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
343 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
344 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
345 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
346 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
347 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
348 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
349 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
350 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
351 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
352 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
353 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
354 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
355 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
356 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
357 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
358 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
359 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
360 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
361 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
362 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
363 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
364 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
365 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
366 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
367 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
368 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
369 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
370 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
371 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
372 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
373 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
374 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
375 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
376 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
377
378 regs->len = (reg - reg_start) * sizeof(uint32_t);
379 }
380
381 static int
382 ixgb_get_eeprom_len(struct net_device *netdev)
383 {
384 /* return size in bytes */
385 return (IXGB_EEPROM_SIZE << 1);
386 }
387
388 static int
389 ixgb_get_eeprom(struct net_device *netdev,
390 struct ethtool_eeprom *eeprom, uint8_t *bytes)
391 {
392 struct ixgb_adapter *adapter = netdev->priv;
393 struct ixgb_hw *hw = &adapter->hw;
394 uint16_t *eeprom_buff;
395 int i, max_len, first_word, last_word;
396 int ret_val = 0;
397
398 if(eeprom->len == 0) {
399 ret_val = -EINVAL;
400 goto geeprom_error;
401 }
402
403 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
404
405 max_len = ixgb_get_eeprom_len(netdev);
406
407 if(eeprom->offset > eeprom->offset + eeprom->len) {
408 ret_val = -EINVAL;
409 goto geeprom_error;
410 }
411
412 if((eeprom->offset + eeprom->len) > max_len)
413 eeprom->len = (max_len - eeprom->offset);
414
415 first_word = eeprom->offset >> 1;
416 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
417
418 eeprom_buff = kmalloc(sizeof(uint16_t) *
419 (last_word - first_word + 1), GFP_KERNEL);
420 if(!eeprom_buff)
421 return -ENOMEM;
422
423 /* note the eeprom was good because the driver loaded */
424 for(i = 0; i <= (last_word - first_word); i++) {
425 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
426 }
427
428 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
429 eeprom->len);
430 kfree(eeprom_buff);
431
432 geeprom_error:
433 return ret_val;
434 }
435
436 static int
437 ixgb_set_eeprom(struct net_device *netdev,
438 struct ethtool_eeprom *eeprom, uint8_t *bytes)
439 {
440 struct ixgb_adapter *adapter = netdev->priv;
441 struct ixgb_hw *hw = &adapter->hw;
442 uint16_t *eeprom_buff;
443 void *ptr;
444 int max_len, first_word, last_word;
445 uint16_t i;
446
447 if(eeprom->len == 0)
448 return -EINVAL;
449
450 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
451 return -EFAULT;
452
453 max_len = ixgb_get_eeprom_len(netdev);
454
455 if(eeprom->offset > eeprom->offset + eeprom->len)
456 return -EINVAL;
457
458 if((eeprom->offset + eeprom->len) > max_len)
459 eeprom->len = (max_len - eeprom->offset);
460
461 first_word = eeprom->offset >> 1;
462 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
463 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
464 if(!eeprom_buff)
465 return -ENOMEM;
466
467 ptr = (void *)eeprom_buff;
468
469 if(eeprom->offset & 1) {
470 /* need read/modify/write of first changed EEPROM word */
471 /* only the second byte of the word is being modified */
472 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
473 ptr++;
474 }
475 if((eeprom->offset + eeprom->len) & 1) {
476 /* need read/modify/write of last changed EEPROM word */
477 /* only the first byte of the word is being modified */
478 eeprom_buff[last_word - first_word]
479 = ixgb_read_eeprom(hw, last_word);
480 }
481
482 memcpy(ptr, bytes, eeprom->len);
483 for(i = 0; i <= (last_word - first_word); i++)
484 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
485
486 /* Update the checksum over the first part of the EEPROM if needed */
487 if(first_word <= EEPROM_CHECKSUM_REG)
488 ixgb_update_eeprom_checksum(hw);
489
490 kfree(eeprom_buff);
491 return 0;
492 }
493
494 static void
495 ixgb_get_drvinfo(struct net_device *netdev,
496 struct ethtool_drvinfo *drvinfo)
497 {
498 struct ixgb_adapter *adapter = netdev->priv;
499
500 strncpy(drvinfo->driver, ixgb_driver_name, 32);
501 strncpy(drvinfo->version, ixgb_driver_version, 32);
502 strncpy(drvinfo->fw_version, "N/A", 32);
503 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
504 drvinfo->n_stats = IXGB_STATS_LEN;
505 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
506 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
507 }
508
509 static void
510 ixgb_get_ringparam(struct net_device *netdev,
511 struct ethtool_ringparam *ring)
512 {
513 struct ixgb_adapter *adapter = netdev->priv;
514 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
515 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
516
517 ring->rx_max_pending = MAX_RXD;
518 ring->tx_max_pending = MAX_TXD;
519 ring->rx_mini_max_pending = 0;
520 ring->rx_jumbo_max_pending = 0;
521 ring->rx_pending = rxdr->count;
522 ring->tx_pending = txdr->count;
523 ring->rx_mini_pending = 0;
524 ring->rx_jumbo_pending = 0;
525 }
526
527 static int
528 ixgb_set_ringparam(struct net_device *netdev,
529 struct ethtool_ringparam *ring)
530 {
531 struct ixgb_adapter *adapter = netdev->priv;
532 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
533 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
534 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
535 int err;
536
537 tx_old = adapter->tx_ring;
538 rx_old = adapter->rx_ring;
539
540 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
541 return -EINVAL;
542
543 if(netif_running(adapter->netdev))
544 ixgb_down(adapter,TRUE);
545
546 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
547 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
548 IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
549
550 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
551 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
552 IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
553
554 if(netif_running(adapter->netdev)) {
555 /* Try to get new resources before deleting old */
556 if((err = ixgb_setup_rx_resources(adapter)))
557 goto err_setup_rx;
558 if((err = ixgb_setup_tx_resources(adapter)))
559 goto err_setup_tx;
560
561 /* save the new, restore the old in order to free it,
562 * then restore the new back again */
563
564 rx_new = adapter->rx_ring;
565 tx_new = adapter->tx_ring;
566 adapter->rx_ring = rx_old;
567 adapter->tx_ring = tx_old;
568 ixgb_free_rx_resources(adapter);
569 ixgb_free_tx_resources(adapter);
570 adapter->rx_ring = rx_new;
571 adapter->tx_ring = tx_new;
572 if((err = ixgb_up(adapter)))
573 return err;
574 }
575
576 return 0;
577 err_setup_tx:
578 ixgb_free_rx_resources(adapter);
579 err_setup_rx:
580 adapter->rx_ring = rx_old;
581 adapter->tx_ring = tx_old;
582 ixgb_up(adapter);
583 return err;
584 }
585
586 /* toggle LED 4 times per second = 2 "blinks" per second */
587 #define IXGB_ID_INTERVAL (HZ/4)
588
589 /* bit defines for adapter->led_status */
590 #define IXGB_LED_ON 0
591
592 static void
593 ixgb_led_blink_callback(unsigned long data)
594 {
595 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
596
597 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
598 ixgb_led_off(&adapter->hw);
599 else
600 ixgb_led_on(&adapter->hw);
601
602 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
603 }
604
605 static int
606 ixgb_phys_id(struct net_device *netdev, uint32_t data)
607 {
608 struct ixgb_adapter *adapter = netdev->priv;
609
610 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
611 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
612
613 if(!adapter->blink_timer.function) {
614 init_timer(&adapter->blink_timer);
615 adapter->blink_timer.function = ixgb_led_blink_callback;
616 adapter->blink_timer.data = (unsigned long)adapter;
617 }
618
619 mod_timer(&adapter->blink_timer, jiffies);
620
621 set_current_state(TASK_INTERRUPTIBLE);
622 if(data)
623 schedule_timeout(data * HZ);
624 else
625 schedule_timeout(MAX_SCHEDULE_TIMEOUT);
626
627 del_timer_sync(&adapter->blink_timer);
628 ixgb_led_off(&adapter->hw);
629 clear_bit(IXGB_LED_ON, &adapter->led_status);
630
631 return 0;
632 }
633
634 static int
635 ixgb_get_stats_count(struct net_device *netdev)
636 {
637 return IXGB_STATS_LEN;
638 }
639
640 static void
641 ixgb_get_ethtool_stats(struct net_device *netdev,
642 struct ethtool_stats *stats, uint64_t *data)
643 {
644 struct ixgb_adapter *adapter = netdev->priv;
645 int i;
646
647 ixgb_update_stats(adapter);
648 for(i = 0; i < IXGB_STATS_LEN; i++) {
649 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
650 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
651 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
652 }
653 }
654
655 static void
656 ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
657 {
658 int i;
659
660 switch(stringset) {
661 case ETH_SS_STATS:
662 for(i=0; i < IXGB_STATS_LEN; i++) {
663 memcpy(data + i * ETH_GSTRING_LEN,
664 ixgb_gstrings_stats[i].stat_string,
665 ETH_GSTRING_LEN);
666 }
667 break;
668 }
669 }
670
671 struct ethtool_ops ixgb_ethtool_ops = {
672 .get_settings = ixgb_get_settings,
673 .set_settings = ixgb_set_settings,
674 .get_drvinfo = ixgb_get_drvinfo,
675 .get_regs_len = ixgb_get_regs_len,
676 .get_regs = ixgb_get_regs,
677 .get_link = ethtool_op_get_link,
678 .get_eeprom_len = ixgb_get_eeprom_len,
679 .get_eeprom = ixgb_get_eeprom,
680 .set_eeprom = ixgb_set_eeprom,
681 .get_ringparam = ixgb_get_ringparam,
682 .set_ringparam = ixgb_set_ringparam,
683 .get_pauseparam = ixgb_get_pauseparam,
684 .set_pauseparam = ixgb_set_pauseparam,
685 .get_rx_csum = ixgb_get_rx_csum,
686 .set_rx_csum = ixgb_set_rx_csum,
687 .get_tx_csum = ixgb_get_tx_csum,
688 .set_tx_csum = ixgb_set_tx_csum,
689 .get_sg = ethtool_op_get_sg,
690 .set_sg = ethtool_op_set_sg,
691 #ifdef NETIF_F_TSO
692 .get_tso = ethtool_op_get_tso,
693 .set_tso = ixgb_set_tso,
694 #endif
695 .get_strings = ixgb_get_strings,
696 .phys_id = ixgb_phys_id,
697 .get_stats_count = ixgb_get_stats_count,
698 .get_ethtool_stats = ixgb_get_ethtool_stats,
699 };
700
701 void ixgb_set_ethtool_ops(struct net_device *netdev)
702 {
703 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
704 }
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