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Revert "[PATCH] paravirt: Add startup infrastructure for paravirtualization"
[pv_ops_mirror.git] / drivers / net / ixgb / ixgb_ethtool.c
blobafde84868bea71376da126670765a68143074558
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
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 #define IXGB_ALL_RAR_ENTRIES 16
48
49 struct ixgb_stats {
50 char stat_string[ETH_GSTRING_LEN];
51 int sizeof_stat;
52 int stat_offset;
53 };
54
55 #define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \
56 offsetof(struct ixgb_adapter, m)
57 static struct ixgb_stats ixgb_gstrings_stats[] = {
58 {"rx_packets", IXGB_STAT(net_stats.rx_packets)},
59 {"tx_packets", IXGB_STAT(net_stats.tx_packets)},
60 {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
61 {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
62 {"rx_errors", IXGB_STAT(net_stats.rx_errors)},
63 {"tx_errors", IXGB_STAT(net_stats.tx_errors)},
64 {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
65 {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
66 {"multicast", IXGB_STAT(net_stats.multicast)},
67 {"collisions", IXGB_STAT(net_stats.collisions)},
68
69 /* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */
70 {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
71 {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
72 {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
73 {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
74 {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
75 {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
76 {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
77 {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
78 {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
79 {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
80 {"tx_deferred_ok", IXGB_STAT(stats.dc)},
81 {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
82 {"tx_restart_queue", IXGB_STAT(restart_queue) },
83 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
84 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
85 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
86 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
87 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
88 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
89 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
90 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
91 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
92 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
93 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
94 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
95 };
96
97 #define IXGB_STATS_LEN \
98 sizeof(ixgb_gstrings_stats) / sizeof(struct ixgb_stats)
99
100 static int
101 ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
102 {
103 struct ixgb_adapter *adapter = netdev_priv(netdev);
104
105 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
106 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
107 ecmd->port = PORT_FIBRE;
108 ecmd->transceiver = XCVR_EXTERNAL;
109
110 if(netif_carrier_ok(adapter->netdev)) {
111 ecmd->speed = SPEED_10000;
112 ecmd->duplex = DUPLEX_FULL;
113 } else {
114 ecmd->speed = -1;
115 ecmd->duplex = -1;
116 }
117
118 ecmd->autoneg = AUTONEG_DISABLE;
119 return 0;
120 }
121
122 static void ixgb_set_speed_duplex(struct net_device *netdev)
123 {
124 struct ixgb_adapter *adapter = netdev_priv(netdev);
125 /* be optimistic about our link, since we were up before */
126 adapter->link_speed = 10000;
127 adapter->link_duplex = FULL_DUPLEX;
128 netif_carrier_on(netdev);
129 netif_wake_queue(netdev);
130 }
131
132 static int
133 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
134 {
135 struct ixgb_adapter *adapter = netdev_priv(netdev);
136
137 if(ecmd->autoneg == AUTONEG_ENABLE ||
138 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
139 return -EINVAL;
140
141 if(netif_running(adapter->netdev)) {
142 ixgb_down(adapter, TRUE);
143 ixgb_reset(adapter);
144 ixgb_up(adapter);
145 ixgb_set_speed_duplex(netdev);
146 } else
147 ixgb_reset(adapter);
148
149 return 0;
150 }
151
152 static void
153 ixgb_get_pauseparam(struct net_device *netdev,
154 struct ethtool_pauseparam *pause)
155 {
156 struct ixgb_adapter *adapter = netdev_priv(netdev);
157 struct ixgb_hw *hw = &adapter->hw;
158
159 pause->autoneg = AUTONEG_DISABLE;
160
161 if(hw->fc.type == ixgb_fc_rx_pause)
162 pause->rx_pause = 1;
163 else if(hw->fc.type == ixgb_fc_tx_pause)
164 pause->tx_pause = 1;
165 else if(hw->fc.type == ixgb_fc_full) {
166 pause->rx_pause = 1;
167 pause->tx_pause = 1;
168 }
169 }
170
171 static int
172 ixgb_set_pauseparam(struct net_device *netdev,
173 struct ethtool_pauseparam *pause)
174 {
175 struct ixgb_adapter *adapter = netdev_priv(netdev);
176 struct ixgb_hw *hw = &adapter->hw;
177
178 if(pause->autoneg == AUTONEG_ENABLE)
179 return -EINVAL;
180
181 if(pause->rx_pause && pause->tx_pause)
182 hw->fc.type = ixgb_fc_full;
183 else if(pause->rx_pause && !pause->tx_pause)
184 hw->fc.type = ixgb_fc_rx_pause;
185 else if(!pause->rx_pause && pause->tx_pause)
186 hw->fc.type = ixgb_fc_tx_pause;
187 else if(!pause->rx_pause && !pause->tx_pause)
188 hw->fc.type = ixgb_fc_none;
189
190 if(netif_running(adapter->netdev)) {
191 ixgb_down(adapter, TRUE);
192 ixgb_up(adapter);
193 ixgb_set_speed_duplex(netdev);
194 } else
195 ixgb_reset(adapter);
196
197 return 0;
198 }
199
200 static uint32_t
201 ixgb_get_rx_csum(struct net_device *netdev)
202 {
203 struct ixgb_adapter *adapter = netdev_priv(netdev);
204
205 return adapter->rx_csum;
206 }
207
208 static int
209 ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
210 {
211 struct ixgb_adapter *adapter = netdev_priv(netdev);
212
213 adapter->rx_csum = data;
214
215 if(netif_running(netdev)) {
216 ixgb_down(adapter,TRUE);
217 ixgb_up(adapter);
218 ixgb_set_speed_duplex(netdev);
219 } else
220 ixgb_reset(adapter);
221 return 0;
222 }
223
224 static uint32_t
225 ixgb_get_tx_csum(struct net_device *netdev)
226 {
227 return (netdev->features & NETIF_F_HW_CSUM) != 0;
228 }
229
230 static int
231 ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
232 {
233 if (data)
234 netdev->features |= NETIF_F_HW_CSUM;
235 else
236 netdev->features &= ~NETIF_F_HW_CSUM;
237
238 return 0;
239 }
240
241 static int
242 ixgb_set_tso(struct net_device *netdev, uint32_t data)
243 {
244 if(data)
245 netdev->features |= NETIF_F_TSO;
246 else
247 netdev->features &= ~NETIF_F_TSO;
248 return 0;
249 }
250
251 static uint32_t
252 ixgb_get_msglevel(struct net_device *netdev)
253 {
254 struct ixgb_adapter *adapter = netdev_priv(netdev);
255 return adapter->msg_enable;
256 }
257
258 static void
259 ixgb_set_msglevel(struct net_device *netdev, uint32_t data)
260 {
261 struct ixgb_adapter *adapter = netdev_priv(netdev);
262 adapter->msg_enable = data;
263 }
264 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
265
266 static int
267 ixgb_get_regs_len(struct net_device *netdev)
268 {
269 #define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
270 return IXGB_REG_DUMP_LEN;
271 }
272
273 static void
274 ixgb_get_regs(struct net_device *netdev,
275 struct ethtool_regs *regs, void *p)
276 {
277 struct ixgb_adapter *adapter = netdev_priv(netdev);
278 struct ixgb_hw *hw = &adapter->hw;
279 uint32_t *reg = p;
280 uint32_t *reg_start = reg;
281 uint8_t i;
282
283 /* the 1 (one) below indicates an attempt at versioning, if the
284 * interface in ethtool or the driver changes, this 1 should be
285 * incremented */
286 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
287
288 /* General Registers */
289 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
290 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
291 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
292 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
293 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
294
295 /* Interrupt */
296 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
297 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
298 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
299 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
300
301 /* Receive */
302 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
303 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
304 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
305 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
306 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
307 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
308 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
309 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
310 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
311 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
312 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
313 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
314
315 /* there are 16 RAR entries in hardware, we only use 3 */
316 for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
317 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
318 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
319 }
320
321 /* Transmit */
322 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
323 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
324 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
325 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
326 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
327 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
328 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
329 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
330 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
331 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
332
333 /* Physical */
334 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
335 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
336 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
337 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
338 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
339 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
340 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
341 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
342 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
343 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
344 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
345 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
346 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
347
348 /* Statistics */
349 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
350 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
351 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
352 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
353 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
354 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
355 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
356 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
357 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
358 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
359 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
360 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
361 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
362 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
363 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
364 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
365 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
366 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
367 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
368 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
369 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
370 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
371 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
372 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
373 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
374 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
375 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
376 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
377 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
378 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
379 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
380 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
381 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
382 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
383 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
384 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
385 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
386 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
387 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
388 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
389 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
390 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
391 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
392 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
393 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
394 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
395 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
396 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
397 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
398 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
399 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
400 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
401 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
402 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
403 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
404 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
405 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
406 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
407 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
408 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
409
410 regs->len = (reg - reg_start) * sizeof(uint32_t);
411 }
412
413 static int
414 ixgb_get_eeprom_len(struct net_device *netdev)
415 {
416 /* return size in bytes */
417 return (IXGB_EEPROM_SIZE << 1);
418 }
419
420 static int
421 ixgb_get_eeprom(struct net_device *netdev,
422 struct ethtool_eeprom *eeprom, uint8_t *bytes)
423 {
424 struct ixgb_adapter *adapter = netdev_priv(netdev);
425 struct ixgb_hw *hw = &adapter->hw;
426 uint16_t *eeprom_buff;
427 int i, max_len, first_word, last_word;
428 int ret_val = 0;
429
430 if(eeprom->len == 0) {
431 ret_val = -EINVAL;
432 goto geeprom_error;
433 }
434
435 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
436
437 max_len = ixgb_get_eeprom_len(netdev);
438
439 if(eeprom->offset > eeprom->offset + eeprom->len) {
440 ret_val = -EINVAL;
441 goto geeprom_error;
442 }
443
444 if((eeprom->offset + eeprom->len) > max_len)
445 eeprom->len = (max_len - eeprom->offset);
446
447 first_word = eeprom->offset >> 1;
448 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
449
450 eeprom_buff = kmalloc(sizeof(uint16_t) *
451 (last_word - first_word + 1), GFP_KERNEL);
452 if(!eeprom_buff)
453 return -ENOMEM;
454
455 /* note the eeprom was good because the driver loaded */
456 for(i = 0; i <= (last_word - first_word); i++) {
457 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
458 }
459
460 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
461 eeprom->len);
462 kfree(eeprom_buff);
463
464 geeprom_error:
465 return ret_val;
466 }
467
468 static int
469 ixgb_set_eeprom(struct net_device *netdev,
470 struct ethtool_eeprom *eeprom, uint8_t *bytes)
471 {
472 struct ixgb_adapter *adapter = netdev_priv(netdev);
473 struct ixgb_hw *hw = &adapter->hw;
474 uint16_t *eeprom_buff;
475 void *ptr;
476 int max_len, first_word, last_word;
477 uint16_t i;
478
479 if(eeprom->len == 0)
480 return -EINVAL;
481
482 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
483 return -EFAULT;
484
485 max_len = ixgb_get_eeprom_len(netdev);
486
487 if(eeprom->offset > eeprom->offset + eeprom->len)
488 return -EINVAL;
489
490 if((eeprom->offset + eeprom->len) > max_len)
491 eeprom->len = (max_len - eeprom->offset);
492
493 first_word = eeprom->offset >> 1;
494 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
495 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
496 if(!eeprom_buff)
497 return -ENOMEM;
498
499 ptr = (void *)eeprom_buff;
500
501 if(eeprom->offset & 1) {
502 /* need read/modify/write of first changed EEPROM word */
503 /* only the second byte of the word is being modified */
504 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
505 ptr++;
506 }
507 if((eeprom->offset + eeprom->len) & 1) {
508 /* need read/modify/write of last changed EEPROM word */
509 /* only the first byte of the word is being modified */
510 eeprom_buff[last_word - first_word]
511 = ixgb_read_eeprom(hw, last_word);
512 }
513
514 memcpy(ptr, bytes, eeprom->len);
515 for(i = 0; i <= (last_word - first_word); i++)
516 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
517
518 /* Update the checksum over the first part of the EEPROM if needed */
519 if(first_word <= EEPROM_CHECKSUM_REG)
520 ixgb_update_eeprom_checksum(hw);
521
522 kfree(eeprom_buff);
523 return 0;
524 }
525
526 static void
527 ixgb_get_drvinfo(struct net_device *netdev,
528 struct ethtool_drvinfo *drvinfo)
529 {
530 struct ixgb_adapter *adapter = netdev_priv(netdev);
531
532 strncpy(drvinfo->driver, ixgb_driver_name, 32);
533 strncpy(drvinfo->version, ixgb_driver_version, 32);
534 strncpy(drvinfo->fw_version, "N/A", 32);
535 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
536 drvinfo->n_stats = IXGB_STATS_LEN;
537 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
538 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
539 }
540
541 static void
542 ixgb_get_ringparam(struct net_device *netdev,
543 struct ethtool_ringparam *ring)
544 {
545 struct ixgb_adapter *adapter = netdev_priv(netdev);
546 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
547 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
548
549 ring->rx_max_pending = MAX_RXD;
550 ring->tx_max_pending = MAX_TXD;
551 ring->rx_mini_max_pending = 0;
552 ring->rx_jumbo_max_pending = 0;
553 ring->rx_pending = rxdr->count;
554 ring->tx_pending = txdr->count;
555 ring->rx_mini_pending = 0;
556 ring->rx_jumbo_pending = 0;
557 }
558
559 static int
560 ixgb_set_ringparam(struct net_device *netdev,
561 struct ethtool_ringparam *ring)
562 {
563 struct ixgb_adapter *adapter = netdev_priv(netdev);
564 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
565 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
566 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
567 int err;
568
569 tx_old = adapter->tx_ring;
570 rx_old = adapter->rx_ring;
571
572 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
573 return -EINVAL;
574
575 if(netif_running(adapter->netdev))
576 ixgb_down(adapter,TRUE);
577
578 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
579 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
580 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
581
582 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
583 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
584 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
585
586 if(netif_running(adapter->netdev)) {
587 /* Try to get new resources before deleting old */
588 if((err = ixgb_setup_rx_resources(adapter)))
589 goto err_setup_rx;
590 if((err = ixgb_setup_tx_resources(adapter)))
591 goto err_setup_tx;
592
593 /* save the new, restore the old in order to free it,
594 * then restore the new back again */
595
596 rx_new = adapter->rx_ring;
597 tx_new = adapter->tx_ring;
598 adapter->rx_ring = rx_old;
599 adapter->tx_ring = tx_old;
600 ixgb_free_rx_resources(adapter);
601 ixgb_free_tx_resources(adapter);
602 adapter->rx_ring = rx_new;
603 adapter->tx_ring = tx_new;
604 if((err = ixgb_up(adapter)))
605 return err;
606 ixgb_set_speed_duplex(netdev);
607 }
608
609 return 0;
610 err_setup_tx:
611 ixgb_free_rx_resources(adapter);
612 err_setup_rx:
613 adapter->rx_ring = rx_old;
614 adapter->tx_ring = tx_old;
615 ixgb_up(adapter);
616 return err;
617 }
618
619 /* toggle LED 4 times per second = 2 "blinks" per second */
620 #define IXGB_ID_INTERVAL (HZ/4)
621
622 /* bit defines for adapter->led_status */
623 #define IXGB_LED_ON 0
624
625 static void
626 ixgb_led_blink_callback(unsigned long data)
627 {
628 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
629
630 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
631 ixgb_led_off(&adapter->hw);
632 else
633 ixgb_led_on(&adapter->hw);
634
635 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
636 }
637
638 static int
639 ixgb_phys_id(struct net_device *netdev, uint32_t data)
640 {
641 struct ixgb_adapter *adapter = netdev_priv(netdev);
642
643 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
644 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
645
646 if(!adapter->blink_timer.function) {
647 init_timer(&adapter->blink_timer);
648 adapter->blink_timer.function = ixgb_led_blink_callback;
649 adapter->blink_timer.data = (unsigned long)adapter;
650 }
651
652 mod_timer(&adapter->blink_timer, jiffies);
653
654 msleep_interruptible(data * 1000);
655 del_timer_sync(&adapter->blink_timer);
656 ixgb_led_off(&adapter->hw);
657 clear_bit(IXGB_LED_ON, &adapter->led_status);
658
659 return 0;
660 }
661
662 static int
663 ixgb_get_stats_count(struct net_device *netdev)
664 {
665 return IXGB_STATS_LEN;
666 }
667
668 static void
669 ixgb_get_ethtool_stats(struct net_device *netdev,
670 struct ethtool_stats *stats, uint64_t *data)
671 {
672 struct ixgb_adapter *adapter = netdev_priv(netdev);
673 int i;
674
675 ixgb_update_stats(adapter);
676 for(i = 0; i < IXGB_STATS_LEN; i++) {
677 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
678 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
679 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
680 }
681 }
682
683 static void
684 ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
685 {
686 int i;
687
688 switch(stringset) {
689 case ETH_SS_STATS:
690 for(i=0; i < IXGB_STATS_LEN; i++) {
691 memcpy(data + i * ETH_GSTRING_LEN,
692 ixgb_gstrings_stats[i].stat_string,
693 ETH_GSTRING_LEN);
694 }
695 break;
696 }
697 }
698
699 static const struct ethtool_ops ixgb_ethtool_ops = {
700 .get_settings = ixgb_get_settings,
701 .set_settings = ixgb_set_settings,
702 .get_drvinfo = ixgb_get_drvinfo,
703 .get_regs_len = ixgb_get_regs_len,
704 .get_regs = ixgb_get_regs,
705 .get_link = ethtool_op_get_link,
706 .get_eeprom_len = ixgb_get_eeprom_len,
707 .get_eeprom = ixgb_get_eeprom,
708 .set_eeprom = ixgb_set_eeprom,
709 .get_ringparam = ixgb_get_ringparam,
710 .set_ringparam = ixgb_set_ringparam,
711 .get_pauseparam = ixgb_get_pauseparam,
712 .set_pauseparam = ixgb_set_pauseparam,
713 .get_rx_csum = ixgb_get_rx_csum,
714 .set_rx_csum = ixgb_set_rx_csum,
715 .get_tx_csum = ixgb_get_tx_csum,
716 .set_tx_csum = ixgb_set_tx_csum,
717 .get_sg = ethtool_op_get_sg,
718 .set_sg = ethtool_op_set_sg,
719 .get_msglevel = ixgb_get_msglevel,
720 .set_msglevel = ixgb_set_msglevel,
721 .get_tso = ethtool_op_get_tso,
722 .set_tso = ixgb_set_tso,
723 .get_strings = ixgb_get_strings,
724 .phys_id = ixgb_phys_id,
725 .get_stats_count = ixgb_get_stats_count,
726 .get_ethtool_stats = ixgb_get_ethtool_stats,
727 .get_perm_addr = ethtool_op_get_perm_addr,
728 };
729
730 void ixgb_set_ethtool_ops(struct net_device *netdev)
731 {
732 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
733 }
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