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Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
[wrt350n-kernel.git] / drivers / net / ixgb / ixgb_ethtool.c
blob75f3a68ee354ef23fc33b0848fe5c3bb36e5a64b
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 int ixgb_up(struct ixgb_adapter *adapter);
36 extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog);
37 extern void ixgb_reset(struct ixgb_adapter *adapter);
38 extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
39 extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
40 extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
41 extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
42 extern void ixgb_update_stats(struct ixgb_adapter *adapter);
43
44 #define IXGB_ALL_RAR_ENTRIES 16
45
46 struct ixgb_stats {
47 char stat_string[ETH_GSTRING_LEN];
48 int sizeof_stat;
49 int stat_offset;
50 };
51
52 #define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \
53 offsetof(struct ixgb_adapter, m)
54 static 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_no_buffer_count", IXGB_STAT(stats.rnbc)},
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 {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
80 {"tx_restart_queue", IXGB_STAT(restart_queue) },
81 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
82 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
83 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
84 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
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 ARRAY_SIZE(ixgb_gstrings_stats)
96
97 static int
98 ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
99 {
100 struct ixgb_adapter *adapter = netdev_priv(netdev);
101
102 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
103 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
104 ecmd->port = PORT_FIBRE;
105 ecmd->transceiver = XCVR_EXTERNAL;
106
107 if(netif_carrier_ok(adapter->netdev)) {
108 ecmd->speed = SPEED_10000;
109 ecmd->duplex = DUPLEX_FULL;
110 } else {
111 ecmd->speed = -1;
112 ecmd->duplex = -1;
113 }
114
115 ecmd->autoneg = AUTONEG_DISABLE;
116 return 0;
117 }
118
119 static void ixgb_set_speed_duplex(struct net_device *netdev)
120 {
121 struct ixgb_adapter *adapter = netdev_priv(netdev);
122 /* be optimistic about our link, since we were up before */
123 adapter->link_speed = 10000;
124 adapter->link_duplex = FULL_DUPLEX;
125 netif_carrier_on(netdev);
126 netif_wake_queue(netdev);
127 }
128
129 static int
130 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
131 {
132 struct ixgb_adapter *adapter = netdev_priv(netdev);
133
134 if(ecmd->autoneg == AUTONEG_ENABLE ||
135 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
136 return -EINVAL;
137
138 if(netif_running(adapter->netdev)) {
139 ixgb_down(adapter, TRUE);
140 ixgb_reset(adapter);
141 ixgb_up(adapter);
142 ixgb_set_speed_duplex(netdev);
143 } else
144 ixgb_reset(adapter);
145
146 return 0;
147 }
148
149 static void
150 ixgb_get_pauseparam(struct net_device *netdev,
151 struct ethtool_pauseparam *pause)
152 {
153 struct ixgb_adapter *adapter = netdev_priv(netdev);
154 struct ixgb_hw *hw = &adapter->hw;
155
156 pause->autoneg = AUTONEG_DISABLE;
157
158 if(hw->fc.type == ixgb_fc_rx_pause)
159 pause->rx_pause = 1;
160 else if(hw->fc.type == ixgb_fc_tx_pause)
161 pause->tx_pause = 1;
162 else if(hw->fc.type == ixgb_fc_full) {
163 pause->rx_pause = 1;
164 pause->tx_pause = 1;
165 }
166 }
167
168 static int
169 ixgb_set_pauseparam(struct net_device *netdev,
170 struct ethtool_pauseparam *pause)
171 {
172 struct ixgb_adapter *adapter = netdev_priv(netdev);
173 struct ixgb_hw *hw = &adapter->hw;
174
175 if(pause->autoneg == AUTONEG_ENABLE)
176 return -EINVAL;
177
178 if(pause->rx_pause && pause->tx_pause)
179 hw->fc.type = ixgb_fc_full;
180 else if(pause->rx_pause && !pause->tx_pause)
181 hw->fc.type = ixgb_fc_rx_pause;
182 else if(!pause->rx_pause && pause->tx_pause)
183 hw->fc.type = ixgb_fc_tx_pause;
184 else if(!pause->rx_pause && !pause->tx_pause)
185 hw->fc.type = ixgb_fc_none;
186
187 if(netif_running(adapter->netdev)) {
188 ixgb_down(adapter, TRUE);
189 ixgb_up(adapter);
190 ixgb_set_speed_duplex(netdev);
191 } else
192 ixgb_reset(adapter);
193
194 return 0;
195 }
196
197 static uint32_t
198 ixgb_get_rx_csum(struct net_device *netdev)
199 {
200 struct ixgb_adapter *adapter = netdev_priv(netdev);
201
202 return adapter->rx_csum;
203 }
204
205 static int
206 ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
207 {
208 struct ixgb_adapter *adapter = netdev_priv(netdev);
209
210 adapter->rx_csum = data;
211
212 if(netif_running(netdev)) {
213 ixgb_down(adapter,TRUE);
214 ixgb_up(adapter);
215 ixgb_set_speed_duplex(netdev);
216 } else
217 ixgb_reset(adapter);
218 return 0;
219 }
220
221 static uint32_t
222 ixgb_get_tx_csum(struct net_device *netdev)
223 {
224 return (netdev->features & NETIF_F_HW_CSUM) != 0;
225 }
226
227 static int
228 ixgb_set_tx_csum(struct net_device *netdev, uint32_t data)
229 {
230 if (data)
231 netdev->features |= NETIF_F_HW_CSUM;
232 else
233 netdev->features &= ~NETIF_F_HW_CSUM;
234
235 return 0;
236 }
237
238 static int
239 ixgb_set_tso(struct net_device *netdev, uint32_t data)
240 {
241 if(data)
242 netdev->features |= NETIF_F_TSO;
243 else
244 netdev->features &= ~NETIF_F_TSO;
245 return 0;
246 }
247
248 static uint32_t
249 ixgb_get_msglevel(struct net_device *netdev)
250 {
251 struct ixgb_adapter *adapter = netdev_priv(netdev);
252 return adapter->msg_enable;
253 }
254
255 static void
256 ixgb_set_msglevel(struct net_device *netdev, uint32_t data)
257 {
258 struct ixgb_adapter *adapter = netdev_priv(netdev);
259 adapter->msg_enable = data;
260 }
261 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
262
263 static int
264 ixgb_get_regs_len(struct net_device *netdev)
265 {
266 #define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
267 return IXGB_REG_DUMP_LEN;
268 }
269
270 static void
271 ixgb_get_regs(struct net_device *netdev,
272 struct ethtool_regs *regs, void *p)
273 {
274 struct ixgb_adapter *adapter = netdev_priv(netdev);
275 struct ixgb_hw *hw = &adapter->hw;
276 uint32_t *reg = p;
277 uint32_t *reg_start = reg;
278 uint8_t i;
279
280 /* the 1 (one) below indicates an attempt at versioning, if the
281 * interface in ethtool or the driver changes, this 1 should be
282 * incremented */
283 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
284
285 /* General Registers */
286 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
287 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
288 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
289 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
290 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
291
292 /* Interrupt */
293 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
294 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
295 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
296 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
297
298 /* Receive */
299 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
300 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
301 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
302 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
303 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
304 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
305 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
306 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
307 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
308 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
309 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
310 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
311
312 /* there are 16 RAR entries in hardware, we only use 3 */
313 for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
314 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
315 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
316 }
317
318 /* Transmit */
319 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
320 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
321 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
322 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
323 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
324 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
325 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
326 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
327 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
328 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
329
330 /* Physical */
331 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
332 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
333 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
334 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
335 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
336 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
337 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
338 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
339 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
340 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
341 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
342 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
343 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
344
345 /* Statistics */
346 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
347 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
348 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
349 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
350 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
351 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
352 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
353 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
354 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
355 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
356 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
357 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
358 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
359 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
360 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
361 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
362 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
363 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
364 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
365 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
366 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
367 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
368 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
369 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
370 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
371 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
372 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
373 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
374 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
375 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
376 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
377 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
378 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
379 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
380 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
381 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
382 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
383 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
384 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
385 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
386 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
387 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
388 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
389 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
390 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
391 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
392 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
393 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
394 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
395 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
396 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
397 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
398 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
399 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
400 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
401 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
402 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
403 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
404 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
405 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
406
407 regs->len = (reg - reg_start) * sizeof(uint32_t);
408 }
409
410 static int
411 ixgb_get_eeprom_len(struct net_device *netdev)
412 {
413 /* return size in bytes */
414 return (IXGB_EEPROM_SIZE << 1);
415 }
416
417 static int
418 ixgb_get_eeprom(struct net_device *netdev,
419 struct ethtool_eeprom *eeprom, uint8_t *bytes)
420 {
421 struct ixgb_adapter *adapter = netdev_priv(netdev);
422 struct ixgb_hw *hw = &adapter->hw;
423 __le16 *eeprom_buff;
424 int i, max_len, first_word, last_word;
425 int ret_val = 0;
426
427 if(eeprom->len == 0) {
428 ret_val = -EINVAL;
429 goto geeprom_error;
430 }
431
432 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
433
434 max_len = ixgb_get_eeprom_len(netdev);
435
436 if(eeprom->offset > eeprom->offset + eeprom->len) {
437 ret_val = -EINVAL;
438 goto geeprom_error;
439 }
440
441 if((eeprom->offset + eeprom->len) > max_len)
442 eeprom->len = (max_len - eeprom->offset);
443
444 first_word = eeprom->offset >> 1;
445 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
446
447 eeprom_buff = kmalloc(sizeof(__le16) *
448 (last_word - first_word + 1), GFP_KERNEL);
449 if(!eeprom_buff)
450 return -ENOMEM;
451
452 /* note the eeprom was good because the driver loaded */
453 for(i = 0; i <= (last_word - first_word); i++) {
454 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
455 }
456
457 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
458 eeprom->len);
459 kfree(eeprom_buff);
460
461 geeprom_error:
462 return ret_val;
463 }
464
465 static int
466 ixgb_set_eeprom(struct net_device *netdev,
467 struct ethtool_eeprom *eeprom, uint8_t *bytes)
468 {
469 struct ixgb_adapter *adapter = netdev_priv(netdev);
470 struct ixgb_hw *hw = &adapter->hw;
471 uint16_t *eeprom_buff;
472 void *ptr;
473 int max_len, first_word, last_word;
474 uint16_t i;
475
476 if(eeprom->len == 0)
477 return -EINVAL;
478
479 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
480 return -EFAULT;
481
482 max_len = ixgb_get_eeprom_len(netdev);
483
484 if(eeprom->offset > eeprom->offset + eeprom->len)
485 return -EINVAL;
486
487 if((eeprom->offset + eeprom->len) > max_len)
488 eeprom->len = (max_len - eeprom->offset);
489
490 first_word = eeprom->offset >> 1;
491 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
492 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
493 if(!eeprom_buff)
494 return -ENOMEM;
495
496 ptr = (void *)eeprom_buff;
497
498 if(eeprom->offset & 1) {
499 /* need read/modify/write of first changed EEPROM word */
500 /* only the second byte of the word is being modified */
501 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
502 ptr++;
503 }
504 if((eeprom->offset + eeprom->len) & 1) {
505 /* need read/modify/write of last changed EEPROM word */
506 /* only the first byte of the word is being modified */
507 eeprom_buff[last_word - first_word]
508 = ixgb_read_eeprom(hw, last_word);
509 }
510
511 memcpy(ptr, bytes, eeprom->len);
512 for(i = 0; i <= (last_word - first_word); i++)
513 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
514
515 /* Update the checksum over the first part of the EEPROM if needed */
516 if(first_word <= EEPROM_CHECKSUM_REG)
517 ixgb_update_eeprom_checksum(hw);
518
519 kfree(eeprom_buff);
520 return 0;
521 }
522
523 static void
524 ixgb_get_drvinfo(struct net_device *netdev,
525 struct ethtool_drvinfo *drvinfo)
526 {
527 struct ixgb_adapter *adapter = netdev_priv(netdev);
528
529 strncpy(drvinfo->driver, ixgb_driver_name, 32);
530 strncpy(drvinfo->version, ixgb_driver_version, 32);
531 strncpy(drvinfo->fw_version, "N/A", 32);
532 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
533 drvinfo->n_stats = IXGB_STATS_LEN;
534 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
535 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
536 }
537
538 static void
539 ixgb_get_ringparam(struct net_device *netdev,
540 struct ethtool_ringparam *ring)
541 {
542 struct ixgb_adapter *adapter = netdev_priv(netdev);
543 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
544 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
545
546 ring->rx_max_pending = MAX_RXD;
547 ring->tx_max_pending = MAX_TXD;
548 ring->rx_mini_max_pending = 0;
549 ring->rx_jumbo_max_pending = 0;
550 ring->rx_pending = rxdr->count;
551 ring->tx_pending = txdr->count;
552 ring->rx_mini_pending = 0;
553 ring->rx_jumbo_pending = 0;
554 }
555
556 static int
557 ixgb_set_ringparam(struct net_device *netdev,
558 struct ethtool_ringparam *ring)
559 {
560 struct ixgb_adapter *adapter = netdev_priv(netdev);
561 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
562 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
563 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
564 int err;
565
566 tx_old = adapter->tx_ring;
567 rx_old = adapter->rx_ring;
568
569 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
570 return -EINVAL;
571
572 if(netif_running(adapter->netdev))
573 ixgb_down(adapter,TRUE);
574
575 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
576 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
577 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
578
579 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
580 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
581 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
582
583 if(netif_running(adapter->netdev)) {
584 /* Try to get new resources before deleting old */
585 if((err = ixgb_setup_rx_resources(adapter)))
586 goto err_setup_rx;
587 if((err = ixgb_setup_tx_resources(adapter)))
588 goto err_setup_tx;
589
590 /* save the new, restore the old in order to free it,
591 * then restore the new back again */
592
593 rx_new = adapter->rx_ring;
594 tx_new = adapter->tx_ring;
595 adapter->rx_ring = rx_old;
596 adapter->tx_ring = tx_old;
597 ixgb_free_rx_resources(adapter);
598 ixgb_free_tx_resources(adapter);
599 adapter->rx_ring = rx_new;
600 adapter->tx_ring = tx_new;
601 if((err = ixgb_up(adapter)))
602 return err;
603 ixgb_set_speed_duplex(netdev);
604 }
605
606 return 0;
607 err_setup_tx:
608 ixgb_free_rx_resources(adapter);
609 err_setup_rx:
610 adapter->rx_ring = rx_old;
611 adapter->tx_ring = tx_old;
612 ixgb_up(adapter);
613 return err;
614 }
615
616 /* toggle LED 4 times per second = 2 "blinks" per second */
617 #define IXGB_ID_INTERVAL (HZ/4)
618
619 /* bit defines for adapter->led_status */
620 #define IXGB_LED_ON 0
621
622 static void
623 ixgb_led_blink_callback(unsigned long data)
624 {
625 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
626
627 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
628 ixgb_led_off(&adapter->hw);
629 else
630 ixgb_led_on(&adapter->hw);
631
632 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
633 }
634
635 static int
636 ixgb_phys_id(struct net_device *netdev, uint32_t data)
637 {
638 struct ixgb_adapter *adapter = netdev_priv(netdev);
639
640 if (!data)
641 data = INT_MAX;
642
643 if(!adapter->blink_timer.function) {
644 init_timer(&adapter->blink_timer);
645 adapter->blink_timer.function = ixgb_led_blink_callback;
646 adapter->blink_timer.data = (unsigned long)adapter;
647 }
648
649 mod_timer(&adapter->blink_timer, jiffies);
650
651 msleep_interruptible(data * 1000);
652 del_timer_sync(&adapter->blink_timer);
653 ixgb_led_off(&adapter->hw);
654 clear_bit(IXGB_LED_ON, &adapter->led_status);
655
656 return 0;
657 }
658
659 static int
660 ixgb_get_sset_count(struct net_device *netdev, int sset)
661 {
662 switch (sset) {
663 case ETH_SS_STATS:
664 return IXGB_STATS_LEN;
665 default:
666 return -EOPNOTSUPP;
667 }
668 }
669
670 static void
671 ixgb_get_ethtool_stats(struct net_device *netdev,
672 struct ethtool_stats *stats, uint64_t *data)
673 {
674 struct ixgb_adapter *adapter = netdev_priv(netdev);
675 int i;
676
677 ixgb_update_stats(adapter);
678 for(i = 0; i < IXGB_STATS_LEN; i++) {
679 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
680 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
681 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
682 }
683 }
684
685 static void
686 ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
687 {
688 int i;
689
690 switch(stringset) {
691 case ETH_SS_STATS:
692 for(i=0; i < IXGB_STATS_LEN; i++) {
693 memcpy(data + i * ETH_GSTRING_LEN,
694 ixgb_gstrings_stats[i].stat_string,
695 ETH_GSTRING_LEN);
696 }
697 break;
698 }
699 }
700
701 static const struct ethtool_ops ixgb_ethtool_ops = {
702 .get_settings = ixgb_get_settings,
703 .set_settings = ixgb_set_settings,
704 .get_drvinfo = ixgb_get_drvinfo,
705 .get_regs_len = ixgb_get_regs_len,
706 .get_regs = ixgb_get_regs,
707 .get_link = ethtool_op_get_link,
708 .get_eeprom_len = ixgb_get_eeprom_len,
709 .get_eeprom = ixgb_get_eeprom,
710 .set_eeprom = ixgb_set_eeprom,
711 .get_ringparam = ixgb_get_ringparam,
712 .set_ringparam = ixgb_set_ringparam,
713 .get_pauseparam = ixgb_get_pauseparam,
714 .set_pauseparam = ixgb_set_pauseparam,
715 .get_rx_csum = ixgb_get_rx_csum,
716 .set_rx_csum = ixgb_set_rx_csum,
717 .get_tx_csum = ixgb_get_tx_csum,
718 .set_tx_csum = ixgb_set_tx_csum,
719 .set_sg = ethtool_op_set_sg,
720 .get_msglevel = ixgb_get_msglevel,
721 .set_msglevel = ixgb_set_msglevel,
722 .set_tso = ixgb_set_tso,
723 .get_strings = ixgb_get_strings,
724 .phys_id = ixgb_phys_id,
725 .get_sset_count = ixgb_get_sset_count,
726 .get_ethtool_stats = ixgb_get_ethtool_stats,
727 };
728
729 void ixgb_set_ethtool_ops(struct net_device *netdev)
730 {
731 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
732 }
WRT350N Kernel Patches