tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/*******************************************************************************
2
3 Intel PRO/10GbE Linux driver
4 Copyright(c) 1999 - 2006 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 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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
35extern int ixgb_up(struct ixgb_adapter *adapter);
36extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog);
37extern void ixgb_reset(struct ixgb_adapter *adapter);
38extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
39extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
40extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
41extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
42extern void ixgb_update_stats(struct ixgb_adapter *adapter);
43
44#define IXGB_ALL_RAR_ENTRIES 16
45
46struct ixgb_stats {
47 char stat_string[ETH_GSTRING_LEN];
48 int sizeof_stat;
49 int stat_offset;
50};
51
52#define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \
53 offsetof(struct ixgb_adapter, m)
54static struct ixgb_stats ixgb_gstrings_stats[] = {
55 {"rx_packets", IXGB_STAT(net_stats.rx_packets)},
56 {"tx_packets", IXGB_STAT(net_stats.tx_packets)},
57 {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
58 {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
59 {"rx_errors", IXGB_STAT(net_stats.rx_errors)},
60 {"tx_errors", IXGB_STAT(net_stats.tx_errors)},
61 {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
62 {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
63 {"multicast", IXGB_STAT(net_stats.multicast)},
64 {"collisions", IXGB_STAT(net_stats.collisions)},
65
66/* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */
67 {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
68 {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
69 {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
70 {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
71 {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
72 {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
73 {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
74 {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
75 {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
76 {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
77 {"tx_deferred_ok", IXGB_STAT(stats.dc)},
78 {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
79 {"tx_restart_queue", IXGB_STAT(restart_queue) },
80 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
81 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
82 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
83 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
84 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
85 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
86 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
87 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
88 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
89 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
90 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
91 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
92};
93
94#define IXGB_STATS_LEN ARRAY_SIZE(ixgb_gstrings_stats)
95
96static int
97ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
98{
99 struct ixgb_adapter *adapter = netdev_priv(netdev);
100
101 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
102 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
103 ecmd->port = PORT_FIBRE;
104 ecmd->transceiver = XCVR_EXTERNAL;
105
106 if(netif_carrier_ok(adapter->netdev)) {
107 ecmd->speed = SPEED_10000;
108 ecmd->duplex = DUPLEX_FULL;
109 } else {
110 ecmd->speed = -1;
111 ecmd->duplex = -1;
112 }
113
114 ecmd->autoneg = AUTONEG_DISABLE;
115 return 0;
116}
117
118static void ixgb_set_speed_duplex(struct net_device *netdev)
119{
120 struct ixgb_adapter *adapter = netdev_priv(netdev);
121 /* be optimistic about our link, since we were up before */
122 adapter->link_speed = 10000;
123 adapter->link_duplex = FULL_DUPLEX;
124 netif_carrier_on(netdev);
125 netif_wake_queue(netdev);
126}
127
128static int
129ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
130{
131 struct ixgb_adapter *adapter = netdev_priv(netdev);
132
133 if(ecmd->autoneg == AUTONEG_ENABLE ||
134 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
135 return -EINVAL;
136
137 if(netif_running(adapter->netdev)) {
138 ixgb_down(adapter, TRUE);
139 ixgb_reset(adapter);
140 ixgb_up(adapter);
141 ixgb_set_speed_duplex(netdev);
142 } else
143 ixgb_reset(adapter);
144
145 return 0;
146}
147
148static void
149ixgb_get_pauseparam(struct net_device *netdev,
150 struct ethtool_pauseparam *pause)
151{
152 struct ixgb_adapter *adapter = netdev_priv(netdev);
153 struct ixgb_hw *hw = &adapter->hw;
154
155 pause->autoneg = AUTONEG_DISABLE;
156
157 if(hw->fc.type == ixgb_fc_rx_pause)
158 pause->rx_pause = 1;
159 else if(hw->fc.type == ixgb_fc_tx_pause)
160 pause->tx_pause = 1;
161 else if(hw->fc.type == ixgb_fc_full) {
162 pause->rx_pause = 1;
163 pause->tx_pause = 1;
164 }
165}
166
167static int
168ixgb_set_pauseparam(struct net_device *netdev,
169 struct ethtool_pauseparam *pause)
170{
171 struct ixgb_adapter *adapter = netdev_priv(netdev);
172 struct ixgb_hw *hw = &adapter->hw;
173
174 if(pause->autoneg == AUTONEG_ENABLE)
175 return -EINVAL;
176
177 if(pause->rx_pause && pause->tx_pause)
178 hw->fc.type = ixgb_fc_full;
179 else if(pause->rx_pause && !pause->tx_pause)
180 hw->fc.type = ixgb_fc_rx_pause;
181 else if(!pause->rx_pause && pause->tx_pause)
182 hw->fc.type = ixgb_fc_tx_pause;
183 else if(!pause->rx_pause && !pause->tx_pause)
184 hw->fc.type = ixgb_fc_none;
185
186 if(netif_running(adapter->netdev)) {
187 ixgb_down(adapter, TRUE);
188 ixgb_up(adapter);
189 ixgb_set_speed_duplex(netdev);
190 } else
191 ixgb_reset(adapter);
192
193 return 0;
194}
195
196static uint32_t
197ixgb_get_rx_csum(struct net_device *netdev)
198{
199 struct ixgb_adapter *adapter = netdev_priv(netdev);
200
201 return adapter->rx_csum;
202}
203
204static int
205ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
206{
207 struct ixgb_adapter *adapter = netdev_priv(netdev);
208
209 adapter->rx_csum = data;
210
211 if(netif_running(netdev)) {
212 ixgb_down(adapter,TRUE);
213 ixgb_up(adapter);
214 ixgb_set_speed_duplex(netdev);
215 } else
216 ixgb_reset(adapter);
217 return 0;
218}
219
220static uint32_t
221ixgb_get_tx_csum(struct net_device *netdev)
222{
223 return (netdev->features & NETIF_F_HW_CSUM) != 0;
224}
225
226static int
227ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
228{
229 if (data)
230 netdev->features |= NETIF_F_HW_CSUM;
231 else
232 netdev->features &= ~NETIF_F_HW_CSUM;
233
234 return 0;
235}
236
237static int
238ixgb_set_tso(struct net_device *netdev, uint32_t data)
239{
240 if(data)
241 netdev->features |= NETIF_F_TSO;
242 else
243 netdev->features &= ~NETIF_F_TSO;
244 return 0;
245}
246
247static uint32_t
248ixgb_get_msglevel(struct net_device *netdev)
249{
250 struct ixgb_adapter *adapter = netdev_priv(netdev);
251 return adapter->msg_enable;
252}
253
254static void
255ixgb_set_msglevel(struct net_device *netdev, uint32_t data)
256{
257 struct ixgb_adapter *adapter = netdev_priv(netdev);
258 adapter->msg_enable = data;
259}
260#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
261
262static int
263ixgb_get_regs_len(struct net_device *netdev)
264{
265#define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
266 return IXGB_REG_DUMP_LEN;
267}
268
269static void
270ixgb_get_regs(struct net_device *netdev,
271 struct ethtool_regs *regs, void *p)
272{
273 struct ixgb_adapter *adapter = netdev_priv(netdev);
274 struct ixgb_hw *hw = &adapter->hw;
275 uint32_t *reg = p;
276 uint32_t *reg_start = reg;
277 uint8_t i;
278
279 /* the 1 (one) below indicates an attempt at versioning, if the
280 * interface in ethtool or the driver changes, this 1 should be
281 * incremented */
282 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
283
284 /* General Registers */
285 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
286 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
287 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
288 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
289 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
290
291 /* Interrupt */
292 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
293 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
294 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
295 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
296
297 /* Receive */
298 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
299 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
300 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
301 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
302 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
303 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
304 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
305 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
306 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
307 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
308 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
309 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
310
311 /* there are 16 RAR entries in hardware, we only use 3 */
312 for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
313 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
314 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
315 }
316
317 /* Transmit */
318 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
319 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
320 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
321 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
322 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
323 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
324 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
325 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
326 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
327 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
328
329 /* Physical */
330 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
331 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
332 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
333 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
334 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
335 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
336 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
337 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
338 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
339 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
340 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
341 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
342 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
343
344 /* Statistics */
345 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
346 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
347 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
348 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
349 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
350 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
351 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
352 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
353 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
354 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
355 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
356 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
357 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
358 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
359 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
360 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
361 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
362 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
363 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
364 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
365 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
366 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
367 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
368 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
369 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
370 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
371 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
372 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
373 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
374 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
375 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
376 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
377 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
378 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
379 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
380 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
381 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
382 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
383 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
384 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
385 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
386 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
387 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
388 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
389 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
390 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
391 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
392 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
393 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
394 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
395 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
396 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
397 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
398 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
399 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
400 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
401 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
402 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
403 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
404 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
405
406 regs->len = (reg - reg_start) * sizeof(uint32_t);
407}
408
409static int
410ixgb_get_eeprom_len(struct net_device *netdev)
411{
412 /* return size in bytes */
413 return (IXGB_EEPROM_SIZE << 1);
414}
415
416static int
417ixgb_get_eeprom(struct net_device *netdev,
418 struct ethtool_eeprom *eeprom, uint8_t *bytes)
419{
420 struct ixgb_adapter *adapter = netdev_priv(netdev);
421 struct ixgb_hw *hw = &adapter->hw;
422 __le16 *eeprom_buff;
423 int i, max_len, first_word, last_word;
424 int ret_val = 0;
425
426 if(eeprom->len == 0) {
427 ret_val = -EINVAL;
428 goto geeprom_error;
429 }
430
431 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
432
433 max_len = ixgb_get_eeprom_len(netdev);
434
435 if(eeprom->offset > eeprom->offset + eeprom->len) {
436 ret_val = -EINVAL;
437 goto geeprom_error;
438 }
439
440 if((eeprom->offset + eeprom->len) > max_len)
441 eeprom->len = (max_len - eeprom->offset);
442
443 first_word = eeprom->offset >> 1;
444 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
445
446 eeprom_buff = kmalloc(sizeof(__le16) *
447 (last_word - first_word + 1), GFP_KERNEL);
448 if(!eeprom_buff)
449 return -ENOMEM;
450
451 /* note the eeprom was good because the driver loaded */
452 for(i = 0; i <= (last_word - first_word); i++) {
453 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
454 }
455
456 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
457 eeprom->len);
458 kfree(eeprom_buff);
459
460geeprom_error:
461 return ret_val;
462}
463
464static int
465ixgb_set_eeprom(struct net_device *netdev,
466 struct ethtool_eeprom *eeprom, uint8_t *bytes)
467{
468 struct ixgb_adapter *adapter = netdev_priv(netdev);
469 struct ixgb_hw *hw = &adapter->hw;
470 uint16_t *eeprom_buff;
471 void *ptr;
472 int max_len, first_word, last_word;
473 uint16_t i;
474
475 if(eeprom->len == 0)
476 return -EINVAL;
477
478 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
479 return -EFAULT;
480
481 max_len = ixgb_get_eeprom_len(netdev);
482
483 if(eeprom->offset > eeprom->offset + eeprom->len)
484 return -EINVAL;
485
486 if((eeprom->offset + eeprom->len) > max_len)
487 eeprom->len = (max_len - eeprom->offset);
488
489 first_word = eeprom->offset >> 1;
490 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
491 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
492 if(!eeprom_buff)
493 return -ENOMEM;
494
495 ptr = (void *)eeprom_buff;
496
497 if(eeprom->offset & 1) {
498 /* need read/modify/write of first changed EEPROM word */
499 /* only the second byte of the word is being modified */
500 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
501 ptr++;
502 }
503 if((eeprom->offset + eeprom->len) & 1) {
504 /* need read/modify/write of last changed EEPROM word */
505 /* only the first byte of the word is being modified */
506 eeprom_buff[last_word - first_word]
507 = ixgb_read_eeprom(hw, last_word);
508 }
509
510 memcpy(ptr, bytes, eeprom->len);
511 for(i = 0; i <= (last_word - first_word); i++)
512 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
513
514 /* Update the checksum over the first part of the EEPROM if needed */
515 if(first_word <= EEPROM_CHECKSUM_REG)
516 ixgb_update_eeprom_checksum(hw);
517
518 kfree(eeprom_buff);
519 return 0;
520}
521
522static void
523ixgb_get_drvinfo(struct net_device *netdev,
524 struct ethtool_drvinfo *drvinfo)
525{
526 struct ixgb_adapter *adapter = netdev_priv(netdev);
527
528 strncpy(drvinfo->driver, ixgb_driver_name, 32);
529 strncpy(drvinfo->version, ixgb_driver_version, 32);
530 strncpy(drvinfo->fw_version, "N/A", 32);
531 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
532 drvinfo->n_stats = IXGB_STATS_LEN;
533 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
534 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
535}
536
537static void
538ixgb_get_ringparam(struct net_device *netdev,
539 struct ethtool_ringparam *ring)
540{
541 struct ixgb_adapter *adapter = netdev_priv(netdev);
542 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
543 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
544
545 ring->rx_max_pending = MAX_RXD;
546 ring->tx_max_pending = MAX_TXD;
547 ring->rx_mini_max_pending = 0;
548 ring->rx_jumbo_max_pending = 0;
549 ring->rx_pending = rxdr->count;
550 ring->tx_pending = txdr->count;
551 ring->rx_mini_pending = 0;
552 ring->rx_jumbo_pending = 0;
553}
554
555static int
556ixgb_set_ringparam(struct net_device *netdev,
557 struct ethtool_ringparam *ring)
558{
559 struct ixgb_adapter *adapter = netdev_priv(netdev);
560 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
561 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
562 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
563 int err;
564
565 tx_old = adapter->tx_ring;
566 rx_old = adapter->rx_ring;
567
568 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
569 return -EINVAL;
570
571 if(netif_running(adapter->netdev))
572 ixgb_down(adapter,TRUE);
573
574 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
575 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
576 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
577
578 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
579 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
580 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
581
582 if(netif_running(adapter->netdev)) {
583 /* Try to get new resources before deleting old */
584 if((err = ixgb_setup_rx_resources(adapter)))
585 goto err_setup_rx;
586 if((err = ixgb_setup_tx_resources(adapter)))
587 goto err_setup_tx;
588
589 /* save the new, restore the old in order to free it,
590 * then restore the new back again */
591
592 rx_new = adapter->rx_ring;
593 tx_new = adapter->tx_ring;
594 adapter->rx_ring = rx_old;
595 adapter->tx_ring = tx_old;
596 ixgb_free_rx_resources(adapter);
597 ixgb_free_tx_resources(adapter);
598 adapter->rx_ring = rx_new;
599 adapter->tx_ring = tx_new;
600 if((err = ixgb_up(adapter)))
601 return err;
602 ixgb_set_speed_duplex(netdev);
603 }
604
605 return 0;
606err_setup_tx:
607 ixgb_free_rx_resources(adapter);
608err_setup_rx:
609 adapter->rx_ring = rx_old;
610 adapter->tx_ring = tx_old;
611 ixgb_up(adapter);
612 return err;
613}
614
615/* toggle LED 4 times per second = 2 "blinks" per second */
616#define IXGB_ID_INTERVAL (HZ/4)
617
618/* bit defines for adapter->led_status */
619#define IXGB_LED_ON 0
620
621static void
622ixgb_led_blink_callback(unsigned long data)
623{
624 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
625
626 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
627 ixgb_led_off(&adapter->hw);
628 else
629 ixgb_led_on(&adapter->hw);
630
631 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
632}
633
634static int
635ixgb_phys_id(struct net_device *netdev, uint32_t data)
636{
637 struct ixgb_adapter *adapter = netdev_priv(netdev);
638
639 if (!data)
640 data = INT_MAX;
641
642 if(!adapter->blink_timer.function) {
643 init_timer(&adapter->blink_timer);
644 adapter->blink_timer.function = ixgb_led_blink_callback;
645 adapter->blink_timer.data = (unsigned long)adapter;
646 }
647
648 mod_timer(&adapter->blink_timer, jiffies);
649
650 msleep_interruptible(data * 1000);
651 del_timer_sync(&adapter->blink_timer);
652 ixgb_led_off(&adapter->hw);
653 clear_bit(IXGB_LED_ON, &adapter->led_status);
654
655 return 0;
656}
657
658static int
659ixgb_get_sset_count(struct net_device *netdev, int sset)
660{
661 switch (sset) {
662 case ETH_SS_STATS:
663 return IXGB_STATS_LEN;
664 default:
665 return -EOPNOTSUPP;
666 }
667}
668
669static void
670ixgb_get_ethtool_stats(struct net_device *netdev,
671 struct ethtool_stats *stats, uint64_t *data)
672{
673 struct ixgb_adapter *adapter = netdev_priv(netdev);
674 int i;
675
676 ixgb_update_stats(adapter);
677 for(i = 0; i < IXGB_STATS_LEN; i++) {
678 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
679 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
680 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
681 }
682}
683
684static void
685ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
686{
687 int i;
688
689 switch(stringset) {
690 case ETH_SS_STATS:
691 for(i=0; i < IXGB_STATS_LEN; i++) {
692 memcpy(data + i * ETH_GSTRING_LEN,
693 ixgb_gstrings_stats[i].stat_string,
694 ETH_GSTRING_LEN);
695 }
696 break;
697 }
698}
699
700static const struct ethtool_ops ixgb_ethtool_ops = {
701 .get_settings = ixgb_get_settings,
702 .set_settings = ixgb_set_settings,
703 .get_drvinfo = ixgb_get_drvinfo,
704 .get_regs_len = ixgb_get_regs_len,
705 .get_regs = ixgb_get_regs,
706 .get_link = ethtool_op_get_link,
707 .get_eeprom_len = ixgb_get_eeprom_len,
708 .get_eeprom = ixgb_get_eeprom,
709 .set_eeprom = ixgb_set_eeprom,
710 .get_ringparam = ixgb_get_ringparam,
711 .set_ringparam = ixgb_set_ringparam,
712 .get_pauseparam = ixgb_get_pauseparam,
713 .set_pauseparam = ixgb_set_pauseparam,
714 .get_rx_csum = ixgb_get_rx_csum,
715 .set_rx_csum = ixgb_set_rx_csum,
716 .get_tx_csum = ixgb_get_tx_csum,
717 .set_tx_csum = ixgb_set_tx_csum,
718 .set_sg = ethtool_op_set_sg,
719 .get_msglevel = ixgb_get_msglevel,
720 .set_msglevel = ixgb_set_msglevel,
721 .set_tso = ixgb_set_tso,
722 .get_strings = ixgb_get_strings,
723 .phys_id = ixgb_phys_id,
724 .get_sset_count = ixgb_get_sset_count,
725 .get_ethtool_stats = ixgb_get_ethtool_stats,
726};
727
728void ixgb_set_ethtool_ops(struct net_device *netdev)
729{
730 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
731}