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PCIE: check and return bus_register errors
[linux-2.6/next.git] / drivers / net / ixgb / ixgb_ethtool.c
blob64a383e4e892a83eb5bc6091bcbb02030b4afd16
1 /*******************************************************************************
2
3
4 Copyright(c) 1999 - 2006 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 #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 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
83 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
84 #ifdef NETIF_F_TSO
85 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
86 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
87 #endif
88 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
89 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
90 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
91 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
92 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
93 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
94 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
95 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
96 };
97
98 #define IXGB_STATS_LEN \
99 sizeof(ixgb_gstrings_stats) / sizeof(struct ixgb_stats)
100
101 static int
102 ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
103 {
104 struct ixgb_adapter *adapter = netdev_priv(netdev);
105
106 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
107 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
108 ecmd->port = PORT_FIBRE;
109 ecmd->transceiver = XCVR_EXTERNAL;
110
111 if(netif_carrier_ok(adapter->netdev)) {
112 ecmd->speed = SPEED_10000;
113 ecmd->duplex = DUPLEX_FULL;
114 } else {
115 ecmd->speed = -1;
116 ecmd->duplex = -1;
117 }
118
119 ecmd->autoneg = AUTONEG_DISABLE;
120 return 0;
121 }
122
123 static void ixgb_set_speed_duplex(struct net_device *netdev)
124 {
125 struct ixgb_adapter *adapter = netdev_priv(netdev);
126 /* be optimistic about our link, since we were up before */
127 adapter->link_speed = 10000;
128 adapter->link_duplex = FULL_DUPLEX;
129 netif_carrier_on(netdev);
130 netif_wake_queue(netdev);
131 }
132
133 static int
134 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
135 {
136 struct ixgb_adapter *adapter = netdev_priv(netdev);
137
138 if(ecmd->autoneg == AUTONEG_ENABLE ||
139 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
140 return -EINVAL;
141
142 if(netif_running(adapter->netdev)) {
143 ixgb_down(adapter, TRUE);
144 ixgb_reset(adapter);
145 ixgb_up(adapter);
146 ixgb_set_speed_duplex(netdev);
147 } else
148 ixgb_reset(adapter);
149
150 return 0;
151 }
152
153 static void
154 ixgb_get_pauseparam(struct net_device *netdev,
155 struct ethtool_pauseparam *pause)
156 {
157 struct ixgb_adapter *adapter = netdev_priv(netdev);
158 struct ixgb_hw *hw = &adapter->hw;
159
160 pause->autoneg = AUTONEG_DISABLE;
161
162 if(hw->fc.type == ixgb_fc_rx_pause)
163 pause->rx_pause = 1;
164 else if(hw->fc.type == ixgb_fc_tx_pause)
165 pause->tx_pause = 1;
166 else if(hw->fc.type == ixgb_fc_full) {
167 pause->rx_pause = 1;
168 pause->tx_pause = 1;
169 }
170 }
171
172 static int
173 ixgb_set_pauseparam(struct net_device *netdev,
174 struct ethtool_pauseparam *pause)
175 {
176 struct ixgb_adapter *adapter = netdev_priv(netdev);
177 struct ixgb_hw *hw = &adapter->hw;
178
179 if(pause->autoneg == AUTONEG_ENABLE)
180 return -EINVAL;
181
182 if(pause->rx_pause && pause->tx_pause)
183 hw->fc.type = ixgb_fc_full;
184 else if(pause->rx_pause && !pause->tx_pause)
185 hw->fc.type = ixgb_fc_rx_pause;
186 else if(!pause->rx_pause && pause->tx_pause)
187 hw->fc.type = ixgb_fc_tx_pause;
188 else if(!pause->rx_pause && !pause->tx_pause)
189 hw->fc.type = ixgb_fc_none;
190
191 if(netif_running(adapter->netdev)) {
192 ixgb_down(adapter, TRUE);
193 ixgb_up(adapter);
194 ixgb_set_speed_duplex(netdev);
195 } else
196 ixgb_reset(adapter);
197
198 return 0;
199 }
200
201 static uint32_t
202 ixgb_get_rx_csum(struct net_device *netdev)
203 {
204 struct ixgb_adapter *adapter = netdev_priv(netdev);
205
206 return adapter->rx_csum;
207 }
208
209 static int
210 ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
211 {
212 struct ixgb_adapter *adapter = netdev_priv(netdev);
213
214 adapter->rx_csum = data;
215
216 if(netif_running(netdev)) {
217 ixgb_down(adapter,TRUE);
218 ixgb_up(adapter);
219 ixgb_set_speed_duplex(netdev);
220 } else
221 ixgb_reset(adapter);
222 return 0;
223 }
224
225 static uint32_t
226 ixgb_get_tx_csum(struct net_device *netdev)
227 {
228 return (netdev->features & NETIF_F_HW_CSUM) != 0;
229 }
230
231 static int
232 ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
233 {
234 if (data)
235 netdev->features |= NETIF_F_HW_CSUM;
236 else
237 netdev->features &= ~NETIF_F_HW_CSUM;
238
239 return 0;
240 }
241
242 #ifdef NETIF_F_TSO
243 static int
244 ixgb_set_tso(struct net_device *netdev, uint32_t data)
245 {
246 if(data)
247 netdev->features |= NETIF_F_TSO;
248 else
249 netdev->features &= ~NETIF_F_TSO;
250 return 0;
251 }
252 #endif /* NETIF_F_TSO */
253
254 static uint32_t
255 ixgb_get_msglevel(struct net_device *netdev)
256 {
257 struct ixgb_adapter *adapter = netdev_priv(netdev);
258 return adapter->msg_enable;
259 }
260
261 static void
262 ixgb_set_msglevel(struct net_device *netdev, uint32_t data)
263 {
264 struct ixgb_adapter *adapter = netdev_priv(netdev);
265 adapter->msg_enable = data;
266 }
267 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
268
269 static int
270 ixgb_get_regs_len(struct net_device *netdev)
271 {
272 #define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
273 return IXGB_REG_DUMP_LEN;
274 }
275
276 static void
277 ixgb_get_regs(struct net_device *netdev,
278 struct ethtool_regs *regs, void *p)
279 {
280 struct ixgb_adapter *adapter = netdev_priv(netdev);
281 struct ixgb_hw *hw = &adapter->hw;
282 uint32_t *reg = p;
283 uint32_t *reg_start = reg;
284 uint8_t i;
285
286 /* the 1 (one) below indicates an attempt at versioning, if the
287 * interface in ethtool or the driver changes, this 1 should be
288 * incremented */
289 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
290
291 /* General Registers */
292 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
293 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
294 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
295 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
296 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
297
298 /* Interrupt */
299 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
300 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
301 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
302 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
303
304 /* Receive */
305 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
306 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
307 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
308 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
309 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
310 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
311 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
312 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
313 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
314 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
315 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
316 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
317
318 /* there are 16 RAR entries in hardware, we only use 3 */
319 for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
320 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
321 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
322 }
323
324 /* Transmit */
325 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
326 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
327 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
328 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
329 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
330 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
331 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
332 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
333 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
334 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
335
336 /* Physical */
337 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
338 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
339 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
340 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
341 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
342 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
343 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
344 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
345 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
346 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
347 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
348 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
349 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
350
351 /* Statistics */
352 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
353 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
354 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
355 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
356 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
357 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
358 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
359 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
360 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
361 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
362 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
363 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
364 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
365 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
366 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
367 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
368 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
369 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
370 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
371 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
372 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
373 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
374 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
375 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
376 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
377 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
378 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
379 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
380 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
381 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
382 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
383 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
384 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
385 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
386 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
387 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
388 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
389 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
390 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
391 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
392 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
393 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
394 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
395 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
396 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
397 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
398 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
399 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
400 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
401 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
402 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
403 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
404 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
405 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
406 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
407 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
408 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
409 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
410 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
411 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
412
413 regs->len = (reg - reg_start) * sizeof(uint32_t);
414 }
415
416 static int
417 ixgb_get_eeprom_len(struct net_device *netdev)
418 {
419 /* return size in bytes */
420 return (IXGB_EEPROM_SIZE << 1);
421 }
422
423 static int
424 ixgb_get_eeprom(struct net_device *netdev,
425 struct ethtool_eeprom *eeprom, uint8_t *bytes)
426 {
427 struct ixgb_adapter *adapter = netdev_priv(netdev);
428 struct ixgb_hw *hw = &adapter->hw;
429 uint16_t *eeprom_buff;
430 int i, max_len, first_word, last_word;
431 int ret_val = 0;
432
433 if(eeprom->len == 0) {
434 ret_val = -EINVAL;
435 goto geeprom_error;
436 }
437
438 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
439
440 max_len = ixgb_get_eeprom_len(netdev);
441
442 if(eeprom->offset > eeprom->offset + eeprom->len) {
443 ret_val = -EINVAL;
444 goto geeprom_error;
445 }
446
447 if((eeprom->offset + eeprom->len) > max_len)
448 eeprom->len = (max_len - eeprom->offset);
449
450 first_word = eeprom->offset >> 1;
451 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
452
453 eeprom_buff = kmalloc(sizeof(uint16_t) *
454 (last_word - first_word + 1), GFP_KERNEL);
455 if(!eeprom_buff)
456 return -ENOMEM;
457
458 /* note the eeprom was good because the driver loaded */
459 for(i = 0; i <= (last_word - first_word); i++) {
460 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
461 }
462
463 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
464 eeprom->len);
465 kfree(eeprom_buff);
466
467 geeprom_error:
468 return ret_val;
469 }
470
471 static int
472 ixgb_set_eeprom(struct net_device *netdev,
473 struct ethtool_eeprom *eeprom, uint8_t *bytes)
474 {
475 struct ixgb_adapter *adapter = netdev_priv(netdev);
476 struct ixgb_hw *hw = &adapter->hw;
477 uint16_t *eeprom_buff;
478 void *ptr;
479 int max_len, first_word, last_word;
480 uint16_t i;
481
482 if(eeprom->len == 0)
483 return -EINVAL;
484
485 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
486 return -EFAULT;
487
488 max_len = ixgb_get_eeprom_len(netdev);
489
490 if(eeprom->offset > eeprom->offset + eeprom->len)
491 return -EINVAL;
492
493 if((eeprom->offset + eeprom->len) > max_len)
494 eeprom->len = (max_len - eeprom->offset);
495
496 first_word = eeprom->offset >> 1;
497 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
498 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
499 if(!eeprom_buff)
500 return -ENOMEM;
501
502 ptr = (void *)eeprom_buff;
503
504 if(eeprom->offset & 1) {
505 /* need read/modify/write of first changed EEPROM word */
506 /* only the second byte of the word is being modified */
507 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
508 ptr++;
509 }
510 if((eeprom->offset + eeprom->len) & 1) {
511 /* need read/modify/write of last changed EEPROM word */
512 /* only the first byte of the word is being modified */
513 eeprom_buff[last_word - first_word]
514 = ixgb_read_eeprom(hw, last_word);
515 }
516
517 memcpy(ptr, bytes, eeprom->len);
518 for(i = 0; i <= (last_word - first_word); i++)
519 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
520
521 /* Update the checksum over the first part of the EEPROM if needed */
522 if(first_word <= EEPROM_CHECKSUM_REG)
523 ixgb_update_eeprom_checksum(hw);
524
525 kfree(eeprom_buff);
526 return 0;
527 }
528
529 static void
530 ixgb_get_drvinfo(struct net_device *netdev,
531 struct ethtool_drvinfo *drvinfo)
532 {
533 struct ixgb_adapter *adapter = netdev_priv(netdev);
534
535 strncpy(drvinfo->driver, ixgb_driver_name, 32);
536 strncpy(drvinfo->version, ixgb_driver_version, 32);
537 strncpy(drvinfo->fw_version, "N/A", 32);
538 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
539 drvinfo->n_stats = IXGB_STATS_LEN;
540 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
541 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
542 }
543
544 static void
545 ixgb_get_ringparam(struct net_device *netdev,
546 struct ethtool_ringparam *ring)
547 {
548 struct ixgb_adapter *adapter = netdev_priv(netdev);
549 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
550 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
551
552 ring->rx_max_pending = MAX_RXD;
553 ring->tx_max_pending = MAX_TXD;
554 ring->rx_mini_max_pending = 0;
555 ring->rx_jumbo_max_pending = 0;
556 ring->rx_pending = rxdr->count;
557 ring->tx_pending = txdr->count;
558 ring->rx_mini_pending = 0;
559 ring->rx_jumbo_pending = 0;
560 }
561
562 static int
563 ixgb_set_ringparam(struct net_device *netdev,
564 struct ethtool_ringparam *ring)
565 {
566 struct ixgb_adapter *adapter = netdev_priv(netdev);
567 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
568 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
569 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
570 int err;
571
572 tx_old = adapter->tx_ring;
573 rx_old = adapter->rx_ring;
574
575 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
576 return -EINVAL;
577
578 if(netif_running(adapter->netdev))
579 ixgb_down(adapter,TRUE);
580
581 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
582 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
583 IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
584
585 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
586 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
587 IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
588
589 if(netif_running(adapter->netdev)) {
590 /* Try to get new resources before deleting old */
591 if((err = ixgb_setup_rx_resources(adapter)))
592 goto err_setup_rx;
593 if((err = ixgb_setup_tx_resources(adapter)))
594 goto err_setup_tx;
595
596 /* save the new, restore the old in order to free it,
597 * then restore the new back again */
598
599 rx_new = adapter->rx_ring;
600 tx_new = adapter->tx_ring;
601 adapter->rx_ring = rx_old;
602 adapter->tx_ring = tx_old;
603 ixgb_free_rx_resources(adapter);
604 ixgb_free_tx_resources(adapter);
605 adapter->rx_ring = rx_new;
606 adapter->tx_ring = tx_new;
607 if((err = ixgb_up(adapter)))
608 return err;
609 ixgb_set_speed_duplex(netdev);
610 }
611
612 return 0;
613 err_setup_tx:
614 ixgb_free_rx_resources(adapter);
615 err_setup_rx:
616 adapter->rx_ring = rx_old;
617 adapter->tx_ring = tx_old;
618 ixgb_up(adapter);
619 return err;
620 }
621
622 /* toggle LED 4 times per second = 2 "blinks" per second */
623 #define IXGB_ID_INTERVAL (HZ/4)
624
625 /* bit defines for adapter->led_status */
626 #define IXGB_LED_ON 0
627
628 static void
629 ixgb_led_blink_callback(unsigned long data)
630 {
631 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
632
633 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
634 ixgb_led_off(&adapter->hw);
635 else
636 ixgb_led_on(&adapter->hw);
637
638 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
639 }
640
641 static int
642 ixgb_phys_id(struct net_device *netdev, uint32_t data)
643 {
644 struct ixgb_adapter *adapter = netdev_priv(netdev);
645
646 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
647 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
648
649 if(!adapter->blink_timer.function) {
650 init_timer(&adapter->blink_timer);
651 adapter->blink_timer.function = ixgb_led_blink_callback;
652 adapter->blink_timer.data = (unsigned long)adapter;
653 }
654
655 mod_timer(&adapter->blink_timer, jiffies);
656
657 msleep_interruptible(data * 1000);
658 del_timer_sync(&adapter->blink_timer);
659 ixgb_led_off(&adapter->hw);
660 clear_bit(IXGB_LED_ON, &adapter->led_status);
661
662 return 0;
663 }
664
665 static int
666 ixgb_get_stats_count(struct net_device *netdev)
667 {
668 return IXGB_STATS_LEN;
669 }
670
671 static void
672 ixgb_get_ethtool_stats(struct net_device *netdev,
673 struct ethtool_stats *stats, uint64_t *data)
674 {
675 struct ixgb_adapter *adapter = netdev_priv(netdev);
676 int i;
677
678 ixgb_update_stats(adapter);
679 for(i = 0; i < IXGB_STATS_LEN; i++) {
680 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
681 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
682 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
683 }
684 }
685
686 static void
687 ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
688 {
689 int i;
690
691 switch(stringset) {
692 case ETH_SS_STATS:
693 for(i=0; i < IXGB_STATS_LEN; i++) {
694 memcpy(data + i * ETH_GSTRING_LEN,
695 ixgb_gstrings_stats[i].stat_string,
696 ETH_GSTRING_LEN);
697 }
698 break;
699 }
700 }
701
702 static const struct ethtool_ops ixgb_ethtool_ops = {
703 .get_settings = ixgb_get_settings,
704 .set_settings = ixgb_set_settings,
705 .get_drvinfo = ixgb_get_drvinfo,
706 .get_regs_len = ixgb_get_regs_len,
707 .get_regs = ixgb_get_regs,
708 .get_link = ethtool_op_get_link,
709 .get_eeprom_len = ixgb_get_eeprom_len,
710 .get_eeprom = ixgb_get_eeprom,
711 .set_eeprom = ixgb_set_eeprom,
712 .get_ringparam = ixgb_get_ringparam,
713 .set_ringparam = ixgb_set_ringparam,
714 .get_pauseparam = ixgb_get_pauseparam,
715 .set_pauseparam = ixgb_set_pauseparam,
716 .get_rx_csum = ixgb_get_rx_csum,
717 .set_rx_csum = ixgb_set_rx_csum,
718 .get_tx_csum = ixgb_get_tx_csum,
719 .set_tx_csum = ixgb_set_tx_csum,
720 .get_sg = ethtool_op_get_sg,
721 .set_sg = ethtool_op_set_sg,
722 .get_msglevel = ixgb_get_msglevel,
723 .set_msglevel = ixgb_set_msglevel,
724 #ifdef NETIF_F_TSO
725 .get_tso = ethtool_op_get_tso,
726 .set_tso = ixgb_set_tso,
727 #endif
728 .get_strings = ixgb_get_strings,
729 .phys_id = ixgb_phys_id,
730 .get_stats_count = ixgb_get_stats_count,
731 .get_ethtool_stats = ixgb_get_ethtool_stats,
732 .get_perm_addr = ethtool_op_get_perm_addr,
733 };
734
735 void ixgb_set_ethtool_ops(struct net_device *netdev)
736 {
737 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
738 }
linux-next