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Merge remote-tracking branch 'moduleh/module.h-split'
[linux-2.6/next.git] / drivers / net / ethernet / intel / ixgb / ixgb_ethtool.c
blob6da890b9534cf1ae25d3c8db4932609d915b78cf
1 /*******************************************************************************
2
3 Intel PRO/10GbE Linux driver
4 Copyright(c) 1999 - 2008 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 #define IXGB_ALL_RAR_ENTRIES 16
36
37 enum {NETDEV_STATS, IXGB_STATS};
38
39 struct ixgb_stats {
40 char stat_string[ETH_GSTRING_LEN];
41 int type;
42 int sizeof_stat;
43 int stat_offset;
44 };
45
46 #define IXGB_STAT(m) IXGB_STATS, \
47 FIELD_SIZEOF(struct ixgb_adapter, m), \
48 offsetof(struct ixgb_adapter, m)
49 #define IXGB_NETDEV_STAT(m) NETDEV_STATS, \
50 FIELD_SIZEOF(struct net_device, m), \
51 offsetof(struct net_device, m)
52
53 static struct ixgb_stats ixgb_gstrings_stats[] = {
54 {"rx_packets", IXGB_NETDEV_STAT(stats.rx_packets)},
55 {"tx_packets", IXGB_NETDEV_STAT(stats.tx_packets)},
56 {"rx_bytes", IXGB_NETDEV_STAT(stats.rx_bytes)},
57 {"tx_bytes", IXGB_NETDEV_STAT(stats.tx_bytes)},
58 {"rx_errors", IXGB_NETDEV_STAT(stats.rx_errors)},
59 {"tx_errors", IXGB_NETDEV_STAT(stats.tx_errors)},
60 {"rx_dropped", IXGB_NETDEV_STAT(stats.rx_dropped)},
61 {"tx_dropped", IXGB_NETDEV_STAT(stats.tx_dropped)},
62 {"multicast", IXGB_NETDEV_STAT(stats.multicast)},
63 {"collisions", IXGB_NETDEV_STAT(stats.collisions)},
64
65 /* { "rx_length_errors", IXGB_NETDEV_STAT(stats.rx_length_errors) }, */
66 {"rx_over_errors", IXGB_NETDEV_STAT(stats.rx_over_errors)},
67 {"rx_crc_errors", IXGB_NETDEV_STAT(stats.rx_crc_errors)},
68 {"rx_frame_errors", IXGB_NETDEV_STAT(stats.rx_frame_errors)},
69 {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
70 {"rx_fifo_errors", IXGB_NETDEV_STAT(stats.rx_fifo_errors)},
71 {"rx_missed_errors", IXGB_NETDEV_STAT(stats.rx_missed_errors)},
72 {"tx_aborted_errors", IXGB_NETDEV_STAT(stats.tx_aborted_errors)},
73 {"tx_carrier_errors", IXGB_NETDEV_STAT(stats.tx_carrier_errors)},
74 {"tx_fifo_errors", IXGB_NETDEV_STAT(stats.tx_fifo_errors)},
75 {"tx_heartbeat_errors", IXGB_NETDEV_STAT(stats.tx_heartbeat_errors)},
76 {"tx_window_errors", IXGB_NETDEV_STAT(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
96 static int
97 ixgb_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 ethtool_cmd_speed_set(ecmd, SPEED_10000);
108 ecmd->duplex = DUPLEX_FULL;
109 } else {
110 ethtool_cmd_speed_set(ecmd, -1);
111 ecmd->duplex = -1;
112 }
113
114 ecmd->autoneg = AUTONEG_DISABLE;
115 return 0;
116 }
117
118 static 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
128 static int
129 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
130 {
131 struct ixgb_adapter *adapter = netdev_priv(netdev);
132 u32 speed = ethtool_cmd_speed(ecmd);
133
134 if (ecmd->autoneg == AUTONEG_ENABLE ||
135 (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 u32
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, u32 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 u32
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, u32 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, u32 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 u32
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, u32 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(u32)
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 u32 *reg = p;
277 u32 *reg_start = reg;
278 u8 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(u32);
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, u8 *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 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
457 kfree(eeprom_buff);
458
459 geeprom_error:
460 return ret_val;
461 }
462
463 static int
464 ixgb_set_eeprom(struct net_device *netdev,
465 struct ethtool_eeprom *eeprom, u8 *bytes)
466 {
467 struct ixgb_adapter *adapter = netdev_priv(netdev);
468 struct ixgb_hw *hw = &adapter->hw;
469 u16 *eeprom_buff;
470 void *ptr;
471 int max_len, first_word, last_word;
472 u16 i;
473
474 if (eeprom->len == 0)
475 return -EINVAL;
476
477 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
478 return -EFAULT;
479
480 max_len = ixgb_get_eeprom_len(netdev);
481
482 if (eeprom->offset > eeprom->offset + eeprom->len)
483 return -EINVAL;
484
485 if ((eeprom->offset + eeprom->len) > max_len)
486 eeprom->len = (max_len - eeprom->offset);
487
488 first_word = eeprom->offset >> 1;
489 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
490 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
491 if (!eeprom_buff)
492 return -ENOMEM;
493
494 ptr = (void *)eeprom_buff;
495
496 if (eeprom->offset & 1) {
497 /* need read/modify/write of first changed EEPROM word */
498 /* only the second byte of the word is being modified */
499 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
500 ptr++;
501 }
502 if ((eeprom->offset + eeprom->len) & 1) {
503 /* need read/modify/write of last changed EEPROM word */
504 /* only the first byte of the word is being modified */
505 eeprom_buff[last_word - first_word]
506 = ixgb_read_eeprom(hw, last_word);
507 }
508
509 memcpy(ptr, bytes, eeprom->len);
510 for (i = 0; i <= (last_word - first_word); i++)
511 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
512
513 /* Update the checksum over the first part of the EEPROM if needed */
514 if (first_word <= EEPROM_CHECKSUM_REG)
515 ixgb_update_eeprom_checksum(hw);
516
517 kfree(eeprom_buff);
518 return 0;
519 }
520
521 static void
522 ixgb_get_drvinfo(struct net_device *netdev,
523 struct ethtool_drvinfo *drvinfo)
524 {
525 struct ixgb_adapter *adapter = netdev_priv(netdev);
526
527 strncpy(drvinfo->driver, ixgb_driver_name, 32);
528 strncpy(drvinfo->version, ixgb_driver_version, 32);
529 strncpy(drvinfo->fw_version, "N/A", 32);
530 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
531 drvinfo->n_stats = IXGB_STATS_LEN;
532 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
533 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
534 }
535
536 static void
537 ixgb_get_ringparam(struct net_device *netdev,
538 struct ethtool_ringparam *ring)
539 {
540 struct ixgb_adapter *adapter = netdev_priv(netdev);
541 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
542 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
543
544 ring->rx_max_pending = MAX_RXD;
545 ring->tx_max_pending = MAX_TXD;
546 ring->rx_mini_max_pending = 0;
547 ring->rx_jumbo_max_pending = 0;
548 ring->rx_pending = rxdr->count;
549 ring->tx_pending = txdr->count;
550 ring->rx_mini_pending = 0;
551 ring->rx_jumbo_pending = 0;
552 }
553
554 static int
555 ixgb_set_ringparam(struct net_device *netdev,
556 struct ethtool_ringparam *ring)
557 {
558 struct ixgb_adapter *adapter = netdev_priv(netdev);
559 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
560 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
561 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
562 int err;
563
564 tx_old = adapter->tx_ring;
565 rx_old = adapter->rx_ring;
566
567 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
568 return -EINVAL;
569
570 if (netif_running(adapter->netdev))
571 ixgb_down(adapter, true);
572
573 rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
574 rxdr->count = min(rxdr->count,(u32)MAX_RXD);
575 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
576
577 txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
578 txdr->count = min(txdr->count,(u32)MAX_TXD);
579 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
580
581 if (netif_running(adapter->netdev)) {
582 /* Try to get new resources before deleting old */
583 if ((err = ixgb_setup_rx_resources(adapter)))
584 goto err_setup_rx;
585 if ((err = ixgb_setup_tx_resources(adapter)))
586 goto err_setup_tx;
587
588 /* save the new, restore the old in order to free it,
589 * then restore the new back again */
590
591 rx_new = adapter->rx_ring;
592 tx_new = adapter->tx_ring;
593 adapter->rx_ring = rx_old;
594 adapter->tx_ring = tx_old;
595 ixgb_free_rx_resources(adapter);
596 ixgb_free_tx_resources(adapter);
597 adapter->rx_ring = rx_new;
598 adapter->tx_ring = tx_new;
599 if ((err = ixgb_up(adapter)))
600 return err;
601 ixgb_set_speed_duplex(netdev);
602 }
603
604 return 0;
605 err_setup_tx:
606 ixgb_free_rx_resources(adapter);
607 err_setup_rx:
608 adapter->rx_ring = rx_old;
609 adapter->tx_ring = tx_old;
610 ixgb_up(adapter);
611 return err;
612 }
613
614 static int
615 ixgb_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
616 {
617 struct ixgb_adapter *adapter = netdev_priv(netdev);
618
619 switch (state) {
620 case ETHTOOL_ID_ACTIVE:
621 return 2;
622
623 case ETHTOOL_ID_ON:
624 ixgb_led_on(&adapter->hw);
625 break;
626
627 case ETHTOOL_ID_OFF:
628 case ETHTOOL_ID_INACTIVE:
629 ixgb_led_off(&adapter->hw);
630 }
631
632 return 0;
633 }
634
635 static int
636 ixgb_get_sset_count(struct net_device *netdev, int sset)
637 {
638 switch (sset) {
639 case ETH_SS_STATS:
640 return IXGB_STATS_LEN;
641 default:
642 return -EOPNOTSUPP;
643 }
644 }
645
646 static void
647 ixgb_get_ethtool_stats(struct net_device *netdev,
648 struct ethtool_stats *stats, u64 *data)
649 {
650 struct ixgb_adapter *adapter = netdev_priv(netdev);
651 int i;
652 char *p = NULL;
653
654 ixgb_update_stats(adapter);
655 for (i = 0; i < IXGB_STATS_LEN; i++) {
656 switch (ixgb_gstrings_stats[i].type) {
657 case NETDEV_STATS:
658 p = (char *) netdev +
659 ixgb_gstrings_stats[i].stat_offset;
660 break;
661 case IXGB_STATS:
662 p = (char *) adapter +
663 ixgb_gstrings_stats[i].stat_offset;
664 break;
665 }
666
667 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
668 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
669 }
670 }
671
672 static void
673 ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
674 {
675 int i;
676
677 switch(stringset) {
678 case ETH_SS_STATS:
679 for (i = 0; i < IXGB_STATS_LEN; i++) {
680 memcpy(data + i * ETH_GSTRING_LEN,
681 ixgb_gstrings_stats[i].stat_string,
682 ETH_GSTRING_LEN);
683 }
684 break;
685 }
686 }
687
688 static int ixgb_set_flags(struct net_device *netdev, u32 data)
689 {
690 struct ixgb_adapter *adapter = netdev_priv(netdev);
691 bool need_reset;
692 int rc;
693
694 /*
695 * Tx VLAN insertion does not work per HW design when Rx stripping is
696 * disabled. Disable txvlan when rxvlan is turned off, and enable
697 * rxvlan when txvlan is turned on.
698 */
699 if (!(data & ETH_FLAG_RXVLAN) &&
700 (netdev->features & NETIF_F_HW_VLAN_TX))
701 data &= ~ETH_FLAG_TXVLAN;
702 else if (data & ETH_FLAG_TXVLAN)
703 data |= ETH_FLAG_RXVLAN;
704
705 need_reset = (data & ETH_FLAG_RXVLAN) !=
706 (netdev->features & NETIF_F_HW_VLAN_RX);
707
708 rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_RXVLAN |
709 ETH_FLAG_TXVLAN);
710 if (rc)
711 return rc;
712
713 if (need_reset) {
714 if (netif_running(netdev)) {
715 ixgb_down(adapter, true);
716 ixgb_up(adapter);
717 ixgb_set_speed_duplex(netdev);
718 } else
719 ixgb_reset(adapter);
720 }
721
722 return 0;
723 }
724
725 static const struct ethtool_ops ixgb_ethtool_ops = {
726 .get_settings = ixgb_get_settings,
727 .set_settings = ixgb_set_settings,
728 .get_drvinfo = ixgb_get_drvinfo,
729 .get_regs_len = ixgb_get_regs_len,
730 .get_regs = ixgb_get_regs,
731 .get_link = ethtool_op_get_link,
732 .get_eeprom_len = ixgb_get_eeprom_len,
733 .get_eeprom = ixgb_get_eeprom,
734 .set_eeprom = ixgb_set_eeprom,
735 .get_ringparam = ixgb_get_ringparam,
736 .set_ringparam = ixgb_set_ringparam,
737 .get_pauseparam = ixgb_get_pauseparam,
738 .set_pauseparam = ixgb_set_pauseparam,
739 .get_rx_csum = ixgb_get_rx_csum,
740 .set_rx_csum = ixgb_set_rx_csum,
741 .get_tx_csum = ixgb_get_tx_csum,
742 .set_tx_csum = ixgb_set_tx_csum,
743 .set_sg = ethtool_op_set_sg,
744 .get_msglevel = ixgb_get_msglevel,
745 .set_msglevel = ixgb_set_msglevel,
746 .set_tso = ixgb_set_tso,
747 .get_strings = ixgb_get_strings,
748 .set_phys_id = ixgb_set_phys_id,
749 .get_sset_count = ixgb_get_sset_count,
750 .get_ethtool_stats = ixgb_get_ethtool_stats,
751 .get_flags = ethtool_op_get_flags,
752 .set_flags = ixgb_set_flags,
753 };
754
755 void ixgb_set_ethtool_ops(struct net_device *netdev)
756 {
757 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
758 }
linux-next