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ixgb: remove hardcoded number
[deliverable/linux.git] / drivers / net / ixgb / ixgb_ethtool.c
CommitLineData
1da177e4
LT		 1/*******************************************************************************
2
3
4 Copyright(c) 1999 - 2005 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
35extern char ixgb_driver_name[];
36extern char ixgb_driver_version[];
37
38extern int ixgb_up(struct ixgb_adapter *adapter);
39extern void ixgb_down(struct ixgb_adapter *adapter, boolean_t kill_watchdog);
40extern void ixgb_reset(struct ixgb_adapter *adapter);
41extern int ixgb_setup_rx_resources(struct ixgb_adapter *adapter);
42extern int ixgb_setup_tx_resources(struct ixgb_adapter *adapter);
43extern void ixgb_free_rx_resources(struct ixgb_adapter *adapter);
44extern void ixgb_free_tx_resources(struct ixgb_adapter *adapter);
45extern void ixgb_update_stats(struct ixgb_adapter *adapter);
46
c85fd6f0
AK		 47#define IXGB_ALL_RAR_ENTRIES 16
48
1da177e4
LT		 49struct 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)
57static 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 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
82 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
83#ifdef NETIF_F_TSO
84 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
85 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
86#endif
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
100static int
101ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
102{
8908c6cd 103 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 104
105 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
db0bacaa 106 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
1da177e4
LT		 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
4de17c8c
AK		 122static 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
1da177e4
LT		 132static int
133ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
134{
8908c6cd 135 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 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);
4de17c8c 145 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 146 } else
147 ixgb_reset(adapter);
148
149 return 0;
150}
151
152static void
153ixgb_get_pauseparam(struct net_device *netdev,
154 struct ethtool_pauseparam *pause)
155{
8908c6cd 156 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 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
171static int
172ixgb_set_pauseparam(struct net_device *netdev,
173 struct ethtool_pauseparam *pause)
174{
8908c6cd 175 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 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);
4de17c8c 193 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 194 } else
195 ixgb_reset(adapter);
196
197 return 0;
198}
199
200static uint32_t
201ixgb_get_rx_csum(struct net_device *netdev)
202{
8908c6cd
MC		 203 struct ixgb_adapter *adapter = netdev_priv(netdev);
204
1da177e4
LT		 205 return adapter->rx_csum;
206}
207
208static int
209ixgb_set_rx_csum(struct net_device *netdev, uint32_t data)
210{
8908c6cd
MC		 211 struct ixgb_adapter *adapter = netdev_priv(netdev);
212
1da177e4
LT		 213 adapter->rx_csum = data;
214
215 if(netif_running(netdev)) {
216 ixgb_down(adapter,TRUE);
217 ixgb_up(adapter);
4de17c8c 218 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 219 } else
220 ixgb_reset(adapter);
221 return 0;
222}
223
224static uint32_t
225ixgb_get_tx_csum(struct net_device *netdev)
226{
227 return (netdev->features & NETIF_F_HW_CSUM) != 0;
228}
229
230static int
231ixgb_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#ifdef NETIF_F_TSO
242static int
243ixgb_set_tso(struct net_device *netdev, uint32_t data)
244{
245 if(data)
246 netdev->features |= NETIF_F_TSO;
247 else
248 netdev->features &= ~NETIF_F_TSO;
249 return 0;
250}
251#endif /* NETIF_F_TSO */
252
253#define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
254
255static int
256ixgb_get_regs_len(struct net_device *netdev)
257{
258#define IXGB_REG_DUMP_LEN 136*sizeof(uint32_t)
259 return IXGB_REG_DUMP_LEN;
260}
261
262static void
263ixgb_get_regs(struct net_device *netdev,
264 struct ethtool_regs *regs, void *p)
265{
8908c6cd 266 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 267 struct ixgb_hw *hw = &adapter->hw;
268 uint32_t *reg = p;
269 uint32_t *reg_start = reg;
270 uint8_t i;
271
5e3c30de 272 /* the 1 (one) below indicates an attempt at versioning, if the
ab707da7
MC		 273 * interface in ethtool or the driver changes, this 1 should be
274 * incremented */
5e3c30de 275 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
1da177e4
LT		 276
277 /* General Registers */
278 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
279 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
280 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
281 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
282 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
283
284 /* Interrupt */
285 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
286 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
287 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
288 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
289
290 /* Receive */
291 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
292 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
293 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
294 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
295 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
296 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
297 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
298 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
299 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
300 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
301 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
302 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
303
9ef2eec3 304 /* there are 16 RAR entries in hardware, we only use 3 */
c85fd6f0 305 for(i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
1da177e4
LT		 306 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
307 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
308 }
309
310 /* Transmit */
311 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
312 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
313 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
314 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
315 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
316 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
317 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
318 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
319 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
320 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
321
322 /* Physical */
323 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
324 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
325 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
326 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
327 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
328 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
329 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
330 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
331 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
332 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
333 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
334 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
335 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
336
337 /* Statistics */
338 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
339 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
340 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
341 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
342 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
343 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
344 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
345 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
346 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
347 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
348 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
349 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
350 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
351 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
352 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
353 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
354 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
355 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
356 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
357 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
358 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
359 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
360 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
361 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
362 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
363 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
364 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
365 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
366 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
367 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
368 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
369 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
370 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
371 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
372 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
373 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
374 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
375 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
376 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
377 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
378 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
379 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
380 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
381 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
382 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
383 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
384 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
385 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
386 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
387 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
388 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
389 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
390 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
391 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
392 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
393 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
394 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
395 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
396 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
397 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
398
399 regs->len = (reg - reg_start) * sizeof(uint32_t);
400}
401
402static int
403ixgb_get_eeprom_len(struct net_device *netdev)
404{
405 /* return size in bytes */
406 return (IXGB_EEPROM_SIZE << 1);
407}
408
409static int
410ixgb_get_eeprom(struct net_device *netdev,
411 struct ethtool_eeprom *eeprom, uint8_t *bytes)
412{
8908c6cd 413 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 414 struct ixgb_hw *hw = &adapter->hw;
415 uint16_t *eeprom_buff;
416 int i, max_len, first_word, last_word;
417 int ret_val = 0;
418
419 if(eeprom->len == 0) {
420 ret_val = -EINVAL;
421 goto geeprom_error;
422 }
423
424 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
425
426 max_len = ixgb_get_eeprom_len(netdev);
427
428 if(eeprom->offset > eeprom->offset + eeprom->len) {
429 ret_val = -EINVAL;
430 goto geeprom_error;
431 }
432
433 if((eeprom->offset + eeprom->len) > max_len)
434 eeprom->len = (max_len - eeprom->offset);
435
436 first_word = eeprom->offset >> 1;
437 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
438
439 eeprom_buff = kmalloc(sizeof(uint16_t) *
440 (last_word - first_word + 1), GFP_KERNEL);
441 if(!eeprom_buff)
442 return -ENOMEM;
443
444 /* note the eeprom was good because the driver loaded */
445 for(i = 0; i <= (last_word - first_word); i++) {
446 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
447 }
448
449 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
450 eeprom->len);
451 kfree(eeprom_buff);
452
453geeprom_error:
454 return ret_val;
455}
456
457static int
458ixgb_set_eeprom(struct net_device *netdev,
459 struct ethtool_eeprom *eeprom, uint8_t *bytes)
460{
8908c6cd 461 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 462 struct ixgb_hw *hw = &adapter->hw;
463 uint16_t *eeprom_buff;
464 void *ptr;
465 int max_len, first_word, last_word;
466 uint16_t i;
467
468 if(eeprom->len == 0)
469 return -EINVAL;
470
471 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
472 return -EFAULT;
473
474 max_len = ixgb_get_eeprom_len(netdev);
475
476 if(eeprom->offset > eeprom->offset + eeprom->len)
477 return -EINVAL;
478
479 if((eeprom->offset + eeprom->len) > max_len)
480 eeprom->len = (max_len - eeprom->offset);
481
482 first_word = eeprom->offset >> 1;
483 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
484 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
485 if(!eeprom_buff)
486 return -ENOMEM;
487
488 ptr = (void *)eeprom_buff;
489
490 if(eeprom->offset & 1) {
491 /* need read/modify/write of first changed EEPROM word */
492 /* only the second byte of the word is being modified */
493 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
494 ptr++;
495 }
496 if((eeprom->offset + eeprom->len) & 1) {
497 /* need read/modify/write of last changed EEPROM word */
498 /* only the first byte of the word is being modified */
499 eeprom_buff[last_word - first_word]
500 = ixgb_read_eeprom(hw, last_word);
501 }
502
503 memcpy(ptr, bytes, eeprom->len);
504 for(i = 0; i <= (last_word - first_word); i++)
505 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
506
507 /* Update the checksum over the first part of the EEPROM if needed */
508 if(first_word <= EEPROM_CHECKSUM_REG)
509 ixgb_update_eeprom_checksum(hw);
510
511 kfree(eeprom_buff);
512 return 0;
513}
514
515static void
516ixgb_get_drvinfo(struct net_device *netdev,
517 struct ethtool_drvinfo *drvinfo)
518{
8908c6cd 519 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 520
521 strncpy(drvinfo->driver, ixgb_driver_name, 32);
522 strncpy(drvinfo->version, ixgb_driver_version, 32);
523 strncpy(drvinfo->fw_version, "N/A", 32);
524 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
525 drvinfo->n_stats = IXGB_STATS_LEN;
526 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
527 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
528}
529
530static void
531ixgb_get_ringparam(struct net_device *netdev,
532 struct ethtool_ringparam *ring)
533{
8908c6cd 534 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 535 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
536 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
537
538 ring->rx_max_pending = MAX_RXD;
539 ring->tx_max_pending = MAX_TXD;
540 ring->rx_mini_max_pending = 0;
541 ring->rx_jumbo_max_pending = 0;
542 ring->rx_pending = rxdr->count;
543 ring->tx_pending = txdr->count;
544 ring->rx_mini_pending = 0;
545 ring->rx_jumbo_pending = 0;
546}
547
548static int
549ixgb_set_ringparam(struct net_device *netdev,
550 struct ethtool_ringparam *ring)
551{
8908c6cd 552 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 553 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
554 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
555 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
556 int err;
557
558 tx_old = adapter->tx_ring;
559 rx_old = adapter->rx_ring;
560
561 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
562 return -EINVAL;
563
564 if(netif_running(adapter->netdev))
565 ixgb_down(adapter,TRUE);
566
567 rxdr->count = max(ring->rx_pending,(uint32_t)MIN_RXD);
568 rxdr->count = min(rxdr->count,(uint32_t)MAX_RXD);
569 IXGB_ROUNDUP(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
570
571 txdr->count = max(ring->tx_pending,(uint32_t)MIN_TXD);
572 txdr->count = min(txdr->count,(uint32_t)MAX_TXD);
573 IXGB_ROUNDUP(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
574
575 if(netif_running(adapter->netdev)) {
576 /* Try to get new resources before deleting old */
577 if((err = ixgb_setup_rx_resources(adapter)))
578 goto err_setup_rx;
579 if((err = ixgb_setup_tx_resources(adapter)))
580 goto err_setup_tx;
581
582 /* save the new, restore the old in order to free it,
583 * then restore the new back again */
584
585 rx_new = adapter->rx_ring;
586 tx_new = adapter->tx_ring;
587 adapter->rx_ring = rx_old;
588 adapter->tx_ring = tx_old;
589 ixgb_free_rx_resources(adapter);
590 ixgb_free_tx_resources(adapter);
591 adapter->rx_ring = rx_new;
592 adapter->tx_ring = tx_new;
593 if((err = ixgb_up(adapter)))
594 return err;
4de17c8c 595 ixgb_set_speed_duplex(netdev);
1da177e4
LT		 596 }
597
598 return 0;
599err_setup_tx:
600 ixgb_free_rx_resources(adapter);
601err_setup_rx:
602 adapter->rx_ring = rx_old;
603 adapter->tx_ring = tx_old;
604 ixgb_up(adapter);
605 return err;
606}
607
608/* toggle LED 4 times per second = 2 "blinks" per second */
609#define IXGB_ID_INTERVAL (HZ/4)
610
611/* bit defines for adapter->led_status */
612#define IXGB_LED_ON 0
613
614static void
615ixgb_led_blink_callback(unsigned long data)
616{
617 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
618
619 if(test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
620 ixgb_led_off(&adapter->hw);
621 else
622 ixgb_led_on(&adapter->hw);
623
624 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
625}
626
627static int
628ixgb_phys_id(struct net_device *netdev, uint32_t data)
629{
8908c6cd 630 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 631
632 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
633 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
634
635 if(!adapter->blink_timer.function) {
636 init_timer(&adapter->blink_timer);
637 adapter->blink_timer.function = ixgb_led_blink_callback;
638 adapter->blink_timer.data = (unsigned long)adapter;
639 }
640
641 mod_timer(&adapter->blink_timer, jiffies);
642
3173c890
NA		 643 if (data)
644 schedule_timeout_interruptible(data * HZ);
1da177e4 645 else
3173c890 646 schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT);
1da177e4
LT		 647
648 del_timer_sync(&adapter->blink_timer);
649 ixgb_led_off(&adapter->hw);
650 clear_bit(IXGB_LED_ON, &adapter->led_status);
651
652 return 0;
653}
654
655static int
656ixgb_get_stats_count(struct net_device *netdev)
657{
658 return IXGB_STATS_LEN;
659}
660
661static void
662ixgb_get_ethtool_stats(struct net_device *netdev,
663 struct ethtool_stats *stats, uint64_t *data)
664{
8908c6cd 665 struct ixgb_adapter *adapter = netdev_priv(netdev);
1da177e4
LT		 666 int i;
667
668 ixgb_update_stats(adapter);
669 for(i = 0; i < IXGB_STATS_LEN; i++) {
670 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
671 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
672 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
673 }
674}
675
676static void
677ixgb_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
678{
679 int i;
680
681 switch(stringset) {
682 case ETH_SS_STATS:
683 for(i=0; i < IXGB_STATS_LEN; i++) {
684 memcpy(data + i * ETH_GSTRING_LEN,
685 ixgb_gstrings_stats[i].stat_string,
686 ETH_GSTRING_LEN);
687 }
688 break;
689 }
690}
691
e9ab1d14 692static struct ethtool_ops ixgb_ethtool_ops = {
1da177e4
LT		 693 .get_settings = ixgb_get_settings,
694 .set_settings = ixgb_set_settings,
695 .get_drvinfo = ixgb_get_drvinfo,
696 .get_regs_len = ixgb_get_regs_len,
697 .get_regs = ixgb_get_regs,
698 .get_link = ethtool_op_get_link,
699 .get_eeprom_len = ixgb_get_eeprom_len,
700 .get_eeprom = ixgb_get_eeprom,
701 .set_eeprom = ixgb_set_eeprom,
702 .get_ringparam = ixgb_get_ringparam,
703 .set_ringparam = ixgb_set_ringparam,
704 .get_pauseparam = ixgb_get_pauseparam,
705 .set_pauseparam = ixgb_set_pauseparam,
706 .get_rx_csum = ixgb_get_rx_csum,
707 .set_rx_csum = ixgb_set_rx_csum,
708 .get_tx_csum = ixgb_get_tx_csum,
709 .set_tx_csum = ixgb_set_tx_csum,
710 .get_sg = ethtool_op_get_sg,
711 .set_sg = ethtool_op_set_sg,
712#ifdef NETIF_F_TSO
713 .get_tso = ethtool_op_get_tso,
714 .set_tso = ixgb_set_tso,
715#endif
716 .get_strings = ixgb_get_strings,
717 .phys_id = ixgb_phys_id,
718 .get_stats_count = ixgb_get_stats_count,
719 .get_ethtool_stats = ixgb_get_ethtool_stats,
df859c51 720 .get_perm_addr = ethtool_op_get_perm_addr,
1da177e4
LT		 721};
722
723void ixgb_set_ethtool_ops(struct net_device *netdev)
724{
725 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
726}
Linux kernel - Deliverables
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