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 struct ixgb_stats {
38 char stat_string[ETH_GSTRING_LEN];
39 int sizeof_stat;
40 int stat_offset;
41 };
42
43 #define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \
44 offsetof(struct ixgb_adapter, m)
45 static struct ixgb_stats ixgb_gstrings_stats[] = {
46 {"rx_packets", IXGB_STAT(net_stats.rx_packets)},
47 {"tx_packets", IXGB_STAT(net_stats.tx_packets)},
48 {"rx_bytes", IXGB_STAT(net_stats.rx_bytes)},
49 {"tx_bytes", IXGB_STAT(net_stats.tx_bytes)},
50 {"rx_errors", IXGB_STAT(net_stats.rx_errors)},
51 {"tx_errors", IXGB_STAT(net_stats.tx_errors)},
52 {"rx_dropped", IXGB_STAT(net_stats.rx_dropped)},
53 {"tx_dropped", IXGB_STAT(net_stats.tx_dropped)},
54 {"multicast", IXGB_STAT(net_stats.multicast)},
55 {"collisions", IXGB_STAT(net_stats.collisions)},
56
57 /* { "rx_length_errors", IXGB_STAT(net_stats.rx_length_errors) }, */
58 {"rx_over_errors", IXGB_STAT(net_stats.rx_over_errors)},
59 {"rx_crc_errors", IXGB_STAT(net_stats.rx_crc_errors)},
60 {"rx_frame_errors", IXGB_STAT(net_stats.rx_frame_errors)},
61 {"rx_no_buffer_count", IXGB_STAT(stats.rnbc)},
62 {"rx_fifo_errors", IXGB_STAT(net_stats.rx_fifo_errors)},
63 {"rx_missed_errors", IXGB_STAT(net_stats.rx_missed_errors)},
64 {"tx_aborted_errors", IXGB_STAT(net_stats.tx_aborted_errors)},
65 {"tx_carrier_errors", IXGB_STAT(net_stats.tx_carrier_errors)},
66 {"tx_fifo_errors", IXGB_STAT(net_stats.tx_fifo_errors)},
67 {"tx_heartbeat_errors", IXGB_STAT(net_stats.tx_heartbeat_errors)},
68 {"tx_window_errors", IXGB_STAT(net_stats.tx_window_errors)},
69 {"tx_deferred_ok", IXGB_STAT(stats.dc)},
70 {"tx_timeout_count", IXGB_STAT(tx_timeout_count) },
71 {"tx_restart_queue", IXGB_STAT(restart_queue) },
72 {"rx_long_length_errors", IXGB_STAT(stats.roc)},
73 {"rx_short_length_errors", IXGB_STAT(stats.ruc)},
74 {"tx_tcp_seg_good", IXGB_STAT(stats.tsctc)},
75 {"tx_tcp_seg_failed", IXGB_STAT(stats.tsctfc)},
76 {"rx_flow_control_xon", IXGB_STAT(stats.xonrxc)},
77 {"rx_flow_control_xoff", IXGB_STAT(stats.xoffrxc)},
78 {"tx_flow_control_xon", IXGB_STAT(stats.xontxc)},
79 {"tx_flow_control_xoff", IXGB_STAT(stats.xofftxc)},
80 {"rx_csum_offload_good", IXGB_STAT(hw_csum_rx_good)},
81 {"rx_csum_offload_errors", IXGB_STAT(hw_csum_rx_error)},
82 {"tx_csum_offload_good", IXGB_STAT(hw_csum_tx_good)},
83 {"tx_csum_offload_errors", IXGB_STAT(hw_csum_tx_error)}
84 };
85
86 #define IXGB_STATS_LEN ARRAY_SIZE(ixgb_gstrings_stats)
87
88 static int
ixgb_get_settings(struct net_device * netdev,struct ethtool_cmd * ecmd)89 ixgb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
90 {
91 struct ixgb_adapter *adapter = netdev_priv(netdev);
92
93 ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
94 ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
95 ecmd->port = PORT_FIBRE;
96 ecmd->transceiver = XCVR_EXTERNAL;
97
98 if (netif_carrier_ok(adapter->netdev)) {
99 ecmd->speed = SPEED_10000;
100 ecmd->duplex = DUPLEX_FULL;
101 } else {
102 ecmd->speed = -1;
103 ecmd->duplex = -1;
104 }
105
106 ecmd->autoneg = AUTONEG_DISABLE;
107 return 0;
108 }
109
ixgb_set_speed_duplex(struct net_device * netdev)110 static void ixgb_set_speed_duplex(struct net_device *netdev)
111 {
112 struct ixgb_adapter *adapter = netdev_priv(netdev);
113 /* be optimistic about our link, since we were up before */
114 adapter->link_speed = 10000;
115 adapter->link_duplex = FULL_DUPLEX;
116 netif_carrier_on(netdev);
117 netif_wake_queue(netdev);
118 }
119
120 static int
ixgb_set_settings(struct net_device * netdev,struct ethtool_cmd * ecmd)121 ixgb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
122 {
123 struct ixgb_adapter *adapter = netdev_priv(netdev);
124
125 if (ecmd->autoneg == AUTONEG_ENABLE ||
126 ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
127 return -EINVAL;
128
129 if (netif_running(adapter->netdev)) {
130 ixgb_down(adapter, true);
131 ixgb_reset(adapter);
132 ixgb_up(adapter);
133 ixgb_set_speed_duplex(netdev);
134 } else
135 ixgb_reset(adapter);
136
137 return 0;
138 }
139
140 static void
ixgb_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)141 ixgb_get_pauseparam(struct net_device *netdev,
142 struct ethtool_pauseparam *pause)
143 {
144 struct ixgb_adapter *adapter = netdev_priv(netdev);
145 struct ixgb_hw *hw = &adapter->hw;
146
147 pause->autoneg = AUTONEG_DISABLE;
148
149 if (hw->fc.type == ixgb_fc_rx_pause)
150 pause->rx_pause = 1;
151 else if (hw->fc.type == ixgb_fc_tx_pause)
152 pause->tx_pause = 1;
153 else if (hw->fc.type == ixgb_fc_full) {
154 pause->rx_pause = 1;
155 pause->tx_pause = 1;
156 }
157 }
158
159 static int
ixgb_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * pause)160 ixgb_set_pauseparam(struct net_device *netdev,
161 struct ethtool_pauseparam *pause)
162 {
163 struct ixgb_adapter *adapter = netdev_priv(netdev);
164 struct ixgb_hw *hw = &adapter->hw;
165
166 if (pause->autoneg == AUTONEG_ENABLE)
167 return -EINVAL;
168
169 if (pause->rx_pause && pause->tx_pause)
170 hw->fc.type = ixgb_fc_full;
171 else if (pause->rx_pause && !pause->tx_pause)
172 hw->fc.type = ixgb_fc_rx_pause;
173 else if (!pause->rx_pause && pause->tx_pause)
174 hw->fc.type = ixgb_fc_tx_pause;
175 else if (!pause->rx_pause && !pause->tx_pause)
176 hw->fc.type = ixgb_fc_none;
177
178 if (netif_running(adapter->netdev)) {
179 ixgb_down(adapter, true);
180 ixgb_up(adapter);
181 ixgb_set_speed_duplex(netdev);
182 } else
183 ixgb_reset(adapter);
184
185 return 0;
186 }
187
188 static u32
ixgb_get_rx_csum(struct net_device * netdev)189 ixgb_get_rx_csum(struct net_device *netdev)
190 {
191 struct ixgb_adapter *adapter = netdev_priv(netdev);
192
193 return adapter->rx_csum;
194 }
195
196 static int
ixgb_set_rx_csum(struct net_device * netdev,u32 data)197 ixgb_set_rx_csum(struct net_device *netdev, u32 data)
198 {
199 struct ixgb_adapter *adapter = netdev_priv(netdev);
200
201 adapter->rx_csum = data;
202
203 if (netif_running(netdev)) {
204 ixgb_down(adapter, true);
205 ixgb_up(adapter);
206 ixgb_set_speed_duplex(netdev);
207 } else
208 ixgb_reset(adapter);
209 return 0;
210 }
211
212 static u32
ixgb_get_tx_csum(struct net_device * netdev)213 ixgb_get_tx_csum(struct net_device *netdev)
214 {
215 return (netdev->features & NETIF_F_HW_CSUM) != 0;
216 }
217
218 static int
ixgb_set_tx_csum(struct net_device * netdev,u32 data)219 ixgb_set_tx_csum(struct net_device *netdev, u32 data)
220 {
221 if (data)
222 netdev->features |= NETIF_F_HW_CSUM;
223 else
224 netdev->features &= ~NETIF_F_HW_CSUM;
225
226 return 0;
227 }
228
229 static int
ixgb_set_tso(struct net_device * netdev,u32 data)230 ixgb_set_tso(struct net_device *netdev, u32 data)
231 {
232 if (data)
233 netdev->features |= NETIF_F_TSO;
234 else
235 netdev->features &= ~NETIF_F_TSO;
236 return 0;
237 }
238
239 static u32
ixgb_get_msglevel(struct net_device * netdev)240 ixgb_get_msglevel(struct net_device *netdev)
241 {
242 struct ixgb_adapter *adapter = netdev_priv(netdev);
243 return adapter->msg_enable;
244 }
245
246 static void
ixgb_set_msglevel(struct net_device * netdev,u32 data)247 ixgb_set_msglevel(struct net_device *netdev, u32 data)
248 {
249 struct ixgb_adapter *adapter = netdev_priv(netdev);
250 adapter->msg_enable = data;
251 }
252 #define IXGB_GET_STAT(_A_, _R_) _A_->stats._R_
253
254 static int
ixgb_get_regs_len(struct net_device * netdev)255 ixgb_get_regs_len(struct net_device *netdev)
256 {
257 #define IXGB_REG_DUMP_LEN 136*sizeof(u32)
258 return IXGB_REG_DUMP_LEN;
259 }
260
261 static void
ixgb_get_regs(struct net_device * netdev,struct ethtool_regs * regs,void * p)262 ixgb_get_regs(struct net_device *netdev,
263 struct ethtool_regs *regs, void *p)
264 {
265 struct ixgb_adapter *adapter = netdev_priv(netdev);
266 struct ixgb_hw *hw = &adapter->hw;
267 u32 *reg = p;
268 u32 *reg_start = reg;
269 u8 i;
270
271 /* the 1 (one) below indicates an attempt at versioning, if the
272 * interface in ethtool or the driver changes, this 1 should be
273 * incremented */
274 regs->version = (1<<24) | hw->revision_id << 16 | hw->device_id;
275
276 /* General Registers */
277 *reg++ = IXGB_READ_REG(hw, CTRL0); /* 0 */
278 *reg++ = IXGB_READ_REG(hw, CTRL1); /* 1 */
279 *reg++ = IXGB_READ_REG(hw, STATUS); /* 2 */
280 *reg++ = IXGB_READ_REG(hw, EECD); /* 3 */
281 *reg++ = IXGB_READ_REG(hw, MFS); /* 4 */
282
283 /* Interrupt */
284 *reg++ = IXGB_READ_REG(hw, ICR); /* 5 */
285 *reg++ = IXGB_READ_REG(hw, ICS); /* 6 */
286 *reg++ = IXGB_READ_REG(hw, IMS); /* 7 */
287 *reg++ = IXGB_READ_REG(hw, IMC); /* 8 */
288
289 /* Receive */
290 *reg++ = IXGB_READ_REG(hw, RCTL); /* 9 */
291 *reg++ = IXGB_READ_REG(hw, FCRTL); /* 10 */
292 *reg++ = IXGB_READ_REG(hw, FCRTH); /* 11 */
293 *reg++ = IXGB_READ_REG(hw, RDBAL); /* 12 */
294 *reg++ = IXGB_READ_REG(hw, RDBAH); /* 13 */
295 *reg++ = IXGB_READ_REG(hw, RDLEN); /* 14 */
296 *reg++ = IXGB_READ_REG(hw, RDH); /* 15 */
297 *reg++ = IXGB_READ_REG(hw, RDT); /* 16 */
298 *reg++ = IXGB_READ_REG(hw, RDTR); /* 17 */
299 *reg++ = IXGB_READ_REG(hw, RXDCTL); /* 18 */
300 *reg++ = IXGB_READ_REG(hw, RAIDC); /* 19 */
301 *reg++ = IXGB_READ_REG(hw, RXCSUM); /* 20 */
302
303 /* there are 16 RAR entries in hardware, we only use 3 */
304 for (i = 0; i < IXGB_ALL_RAR_ENTRIES; i++) {
305 *reg++ = IXGB_READ_REG_ARRAY(hw, RAL, (i << 1)); /*21,...,51 */
306 *reg++ = IXGB_READ_REG_ARRAY(hw, RAH, (i << 1)); /*22,...,52 */
307 }
308
309 /* Transmit */
310 *reg++ = IXGB_READ_REG(hw, TCTL); /* 53 */
311 *reg++ = IXGB_READ_REG(hw, TDBAL); /* 54 */
312 *reg++ = IXGB_READ_REG(hw, TDBAH); /* 55 */
313 *reg++ = IXGB_READ_REG(hw, TDLEN); /* 56 */
314 *reg++ = IXGB_READ_REG(hw, TDH); /* 57 */
315 *reg++ = IXGB_READ_REG(hw, TDT); /* 58 */
316 *reg++ = IXGB_READ_REG(hw, TIDV); /* 59 */
317 *reg++ = IXGB_READ_REG(hw, TXDCTL); /* 60 */
318 *reg++ = IXGB_READ_REG(hw, TSPMT); /* 61 */
319 *reg++ = IXGB_READ_REG(hw, PAP); /* 62 */
320
321 /* Physical */
322 *reg++ = IXGB_READ_REG(hw, PCSC1); /* 63 */
323 *reg++ = IXGB_READ_REG(hw, PCSC2); /* 64 */
324 *reg++ = IXGB_READ_REG(hw, PCSS1); /* 65 */
325 *reg++ = IXGB_READ_REG(hw, PCSS2); /* 66 */
326 *reg++ = IXGB_READ_REG(hw, XPCSS); /* 67 */
327 *reg++ = IXGB_READ_REG(hw, UCCR); /* 68 */
328 *reg++ = IXGB_READ_REG(hw, XPCSTC); /* 69 */
329 *reg++ = IXGB_READ_REG(hw, MACA); /* 70 */
330 *reg++ = IXGB_READ_REG(hw, APAE); /* 71 */
331 *reg++ = IXGB_READ_REG(hw, ARD); /* 72 */
332 *reg++ = IXGB_READ_REG(hw, AIS); /* 73 */
333 *reg++ = IXGB_READ_REG(hw, MSCA); /* 74 */
334 *reg++ = IXGB_READ_REG(hw, MSRWD); /* 75 */
335
336 /* Statistics */
337 *reg++ = IXGB_GET_STAT(adapter, tprl); /* 76 */
338 *reg++ = IXGB_GET_STAT(adapter, tprh); /* 77 */
339 *reg++ = IXGB_GET_STAT(adapter, gprcl); /* 78 */
340 *reg++ = IXGB_GET_STAT(adapter, gprch); /* 79 */
341 *reg++ = IXGB_GET_STAT(adapter, bprcl); /* 80 */
342 *reg++ = IXGB_GET_STAT(adapter, bprch); /* 81 */
343 *reg++ = IXGB_GET_STAT(adapter, mprcl); /* 82 */
344 *reg++ = IXGB_GET_STAT(adapter, mprch); /* 83 */
345 *reg++ = IXGB_GET_STAT(adapter, uprcl); /* 84 */
346 *reg++ = IXGB_GET_STAT(adapter, uprch); /* 85 */
347 *reg++ = IXGB_GET_STAT(adapter, vprcl); /* 86 */
348 *reg++ = IXGB_GET_STAT(adapter, vprch); /* 87 */
349 *reg++ = IXGB_GET_STAT(adapter, jprcl); /* 88 */
350 *reg++ = IXGB_GET_STAT(adapter, jprch); /* 89 */
351 *reg++ = IXGB_GET_STAT(adapter, gorcl); /* 90 */
352 *reg++ = IXGB_GET_STAT(adapter, gorch); /* 91 */
353 *reg++ = IXGB_GET_STAT(adapter, torl); /* 92 */
354 *reg++ = IXGB_GET_STAT(adapter, torh); /* 93 */
355 *reg++ = IXGB_GET_STAT(adapter, rnbc); /* 94 */
356 *reg++ = IXGB_GET_STAT(adapter, ruc); /* 95 */
357 *reg++ = IXGB_GET_STAT(adapter, roc); /* 96 */
358 *reg++ = IXGB_GET_STAT(adapter, rlec); /* 97 */
359 *reg++ = IXGB_GET_STAT(adapter, crcerrs); /* 98 */
360 *reg++ = IXGB_GET_STAT(adapter, icbc); /* 99 */
361 *reg++ = IXGB_GET_STAT(adapter, ecbc); /* 100 */
362 *reg++ = IXGB_GET_STAT(adapter, mpc); /* 101 */
363 *reg++ = IXGB_GET_STAT(adapter, tptl); /* 102 */
364 *reg++ = IXGB_GET_STAT(adapter, tpth); /* 103 */
365 *reg++ = IXGB_GET_STAT(adapter, gptcl); /* 104 */
366 *reg++ = IXGB_GET_STAT(adapter, gptch); /* 105 */
367 *reg++ = IXGB_GET_STAT(adapter, bptcl); /* 106 */
368 *reg++ = IXGB_GET_STAT(adapter, bptch); /* 107 */
369 *reg++ = IXGB_GET_STAT(adapter, mptcl); /* 108 */
370 *reg++ = IXGB_GET_STAT(adapter, mptch); /* 109 */
371 *reg++ = IXGB_GET_STAT(adapter, uptcl); /* 110 */
372 *reg++ = IXGB_GET_STAT(adapter, uptch); /* 111 */
373 *reg++ = IXGB_GET_STAT(adapter, vptcl); /* 112 */
374 *reg++ = IXGB_GET_STAT(adapter, vptch); /* 113 */
375 *reg++ = IXGB_GET_STAT(adapter, jptcl); /* 114 */
376 *reg++ = IXGB_GET_STAT(adapter, jptch); /* 115 */
377 *reg++ = IXGB_GET_STAT(adapter, gotcl); /* 116 */
378 *reg++ = IXGB_GET_STAT(adapter, gotch); /* 117 */
379 *reg++ = IXGB_GET_STAT(adapter, totl); /* 118 */
380 *reg++ = IXGB_GET_STAT(adapter, toth); /* 119 */
381 *reg++ = IXGB_GET_STAT(adapter, dc); /* 120 */
382 *reg++ = IXGB_GET_STAT(adapter, plt64c); /* 121 */
383 *reg++ = IXGB_GET_STAT(adapter, tsctc); /* 122 */
384 *reg++ = IXGB_GET_STAT(adapter, tsctfc); /* 123 */
385 *reg++ = IXGB_GET_STAT(adapter, ibic); /* 124 */
386 *reg++ = IXGB_GET_STAT(adapter, rfc); /* 125 */
387 *reg++ = IXGB_GET_STAT(adapter, lfc); /* 126 */
388 *reg++ = IXGB_GET_STAT(adapter, pfrc); /* 127 */
389 *reg++ = IXGB_GET_STAT(adapter, pftc); /* 128 */
390 *reg++ = IXGB_GET_STAT(adapter, mcfrc); /* 129 */
391 *reg++ = IXGB_GET_STAT(adapter, mcftc); /* 130 */
392 *reg++ = IXGB_GET_STAT(adapter, xonrxc); /* 131 */
393 *reg++ = IXGB_GET_STAT(adapter, xontxc); /* 132 */
394 *reg++ = IXGB_GET_STAT(adapter, xoffrxc); /* 133 */
395 *reg++ = IXGB_GET_STAT(adapter, xofftxc); /* 134 */
396 *reg++ = IXGB_GET_STAT(adapter, rjc); /* 135 */
397
398 regs->len = (reg - reg_start) * sizeof(u32);
399 }
400
401 static int
ixgb_get_eeprom_len(struct net_device * netdev)402 ixgb_get_eeprom_len(struct net_device *netdev)
403 {
404 /* return size in bytes */
405 return (IXGB_EEPROM_SIZE << 1);
406 }
407
408 static int
ixgb_get_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)409 ixgb_get_eeprom(struct net_device *netdev,
410 struct ethtool_eeprom *eeprom, u8 *bytes)
411 {
412 struct ixgb_adapter *adapter = netdev_priv(netdev);
413 struct ixgb_hw *hw = &adapter->hw;
414 __le16 *eeprom_buff;
415 int i, max_len, first_word, last_word;
416 int ret_val = 0;
417
418 if (eeprom->len == 0) {
419 ret_val = -EINVAL;
420 goto geeprom_error;
421 }
422
423 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
424
425 max_len = ixgb_get_eeprom_len(netdev);
426
427 if (eeprom->offset > eeprom->offset + eeprom->len) {
428 ret_val = -EINVAL;
429 goto geeprom_error;
430 }
431
432 if ((eeprom->offset + eeprom->len) > max_len)
433 eeprom->len = (max_len - eeprom->offset);
434
435 first_word = eeprom->offset >> 1;
436 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
437
438 eeprom_buff = kmalloc(sizeof(__le16) *
439 (last_word - first_word + 1), GFP_KERNEL);
440 if (!eeprom_buff)
441 return -ENOMEM;
442
443 /* note the eeprom was good because the driver loaded */
444 for (i = 0; i <= (last_word - first_word); i++)
445 eeprom_buff[i] = ixgb_get_eeprom_word(hw, (first_word + i));
446
447 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
448 kfree(eeprom_buff);
449
450 geeprom_error:
451 return ret_val;
452 }
453
454 static int
ixgb_set_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * bytes)455 ixgb_set_eeprom(struct net_device *netdev,
456 struct ethtool_eeprom *eeprom, u8 *bytes)
457 {
458 struct ixgb_adapter *adapter = netdev_priv(netdev);
459 struct ixgb_hw *hw = &adapter->hw;
460 u16 *eeprom_buff;
461 void *ptr;
462 int max_len, first_word, last_word;
463 u16 i;
464
465 if (eeprom->len == 0)
466 return -EINVAL;
467
468 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
469 return -EFAULT;
470
471 max_len = ixgb_get_eeprom_len(netdev);
472
473 if (eeprom->offset > eeprom->offset + eeprom->len)
474 return -EINVAL;
475
476 if ((eeprom->offset + eeprom->len) > max_len)
477 eeprom->len = (max_len - eeprom->offset);
478
479 first_word = eeprom->offset >> 1;
480 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
481 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
482 if (!eeprom_buff)
483 return -ENOMEM;
484
485 ptr = (void *)eeprom_buff;
486
487 if (eeprom->offset & 1) {
488 /* need read/modify/write of first changed EEPROM word */
489 /* only the second byte of the word is being modified */
490 eeprom_buff[0] = ixgb_read_eeprom(hw, first_word);
491 ptr++;
492 }
493 if ((eeprom->offset + eeprom->len) & 1) {
494 /* need read/modify/write of last changed EEPROM word */
495 /* only the first byte of the word is being modified */
496 eeprom_buff[last_word - first_word]
497 = ixgb_read_eeprom(hw, last_word);
498 }
499
500 memcpy(ptr, bytes, eeprom->len);
501 for (i = 0; i <= (last_word - first_word); i++)
502 ixgb_write_eeprom(hw, first_word + i, eeprom_buff[i]);
503
504 /* Update the checksum over the first part of the EEPROM if needed */
505 if (first_word <= EEPROM_CHECKSUM_REG)
506 ixgb_update_eeprom_checksum(hw);
507
508 kfree(eeprom_buff);
509 return 0;
510 }
511
512 static void
ixgb_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)513 ixgb_get_drvinfo(struct net_device *netdev,
514 struct ethtool_drvinfo *drvinfo)
515 {
516 struct ixgb_adapter *adapter = netdev_priv(netdev);
517
518 strncpy(drvinfo->driver, ixgb_driver_name, 32);
519 strncpy(drvinfo->version, ixgb_driver_version, 32);
520 strncpy(drvinfo->fw_version, "N/A", 32);
521 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
522 drvinfo->n_stats = IXGB_STATS_LEN;
523 drvinfo->regdump_len = ixgb_get_regs_len(netdev);
524 drvinfo->eedump_len = ixgb_get_eeprom_len(netdev);
525 }
526
527 static void
ixgb_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring)528 ixgb_get_ringparam(struct net_device *netdev,
529 struct ethtool_ringparam *ring)
530 {
531 struct ixgb_adapter *adapter = netdev_priv(netdev);
532 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
533 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
534
535 ring->rx_max_pending = MAX_RXD;
536 ring->tx_max_pending = MAX_TXD;
537 ring->rx_mini_max_pending = 0;
538 ring->rx_jumbo_max_pending = 0;
539 ring->rx_pending = rxdr->count;
540 ring->tx_pending = txdr->count;
541 ring->rx_mini_pending = 0;
542 ring->rx_jumbo_pending = 0;
543 }
544
545 static int
ixgb_set_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring)546 ixgb_set_ringparam(struct net_device *netdev,
547 struct ethtool_ringparam *ring)
548 {
549 struct ixgb_adapter *adapter = netdev_priv(netdev);
550 struct ixgb_desc_ring *txdr = &adapter->tx_ring;
551 struct ixgb_desc_ring *rxdr = &adapter->rx_ring;
552 struct ixgb_desc_ring tx_old, tx_new, rx_old, rx_new;
553 int err;
554
555 tx_old = adapter->tx_ring;
556 rx_old = adapter->rx_ring;
557
558 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
559 return -EINVAL;
560
561 if (netif_running(adapter->netdev))
562 ixgb_down(adapter, true);
563
564 rxdr->count = max(ring->rx_pending,(u32)MIN_RXD);
565 rxdr->count = min(rxdr->count,(u32)MAX_RXD);
566 rxdr->count = ALIGN(rxdr->count, IXGB_REQ_RX_DESCRIPTOR_MULTIPLE);
567
568 txdr->count = max(ring->tx_pending,(u32)MIN_TXD);
569 txdr->count = min(txdr->count,(u32)MAX_TXD);
570 txdr->count = ALIGN(txdr->count, IXGB_REQ_TX_DESCRIPTOR_MULTIPLE);
571
572 if (netif_running(adapter->netdev)) {
573 /* Try to get new resources before deleting old */
574 if ((err = ixgb_setup_rx_resources(adapter)))
575 goto err_setup_rx;
576 if ((err = ixgb_setup_tx_resources(adapter)))
577 goto err_setup_tx;
578
579 /* save the new, restore the old in order to free it,
580 * then restore the new back again */
581
582 rx_new = adapter->rx_ring;
583 tx_new = adapter->tx_ring;
584 adapter->rx_ring = rx_old;
585 adapter->tx_ring = tx_old;
586 ixgb_free_rx_resources(adapter);
587 ixgb_free_tx_resources(adapter);
588 adapter->rx_ring = rx_new;
589 adapter->tx_ring = tx_new;
590 if ((err = ixgb_up(adapter)))
591 return err;
592 ixgb_set_speed_duplex(netdev);
593 }
594
595 return 0;
596 err_setup_tx:
597 ixgb_free_rx_resources(adapter);
598 err_setup_rx:
599 adapter->rx_ring = rx_old;
600 adapter->tx_ring = tx_old;
601 ixgb_up(adapter);
602 return err;
603 }
604
605 /* toggle LED 4 times per second = 2 "blinks" per second */
606 #define IXGB_ID_INTERVAL (HZ/4)
607
608 /* bit defines for adapter->led_status */
609 #define IXGB_LED_ON 0
610
611 static void
ixgb_led_blink_callback(unsigned long data)612 ixgb_led_blink_callback(unsigned long data)
613 {
614 struct ixgb_adapter *adapter = (struct ixgb_adapter *)data;
615
616 if (test_and_change_bit(IXGB_LED_ON, &adapter->led_status))
617 ixgb_led_off(&adapter->hw);
618 else
619 ixgb_led_on(&adapter->hw);
620
621 mod_timer(&adapter->blink_timer, jiffies + IXGB_ID_INTERVAL);
622 }
623
624 static int
ixgb_phys_id(struct net_device * netdev,u32 data)625 ixgb_phys_id(struct net_device *netdev, u32 data)
626 {
627 struct ixgb_adapter *adapter = netdev_priv(netdev);
628
629 if (!data)
630 data = INT_MAX;
631
632 if (!adapter->blink_timer.function) {
633 init_timer(&adapter->blink_timer);
634 adapter->blink_timer.function = ixgb_led_blink_callback;
635 adapter->blink_timer.data = (unsigned long)adapter;
636 }
637
638 mod_timer(&adapter->blink_timer, jiffies);
639
640 msleep_interruptible(data * 1000);
641 del_timer_sync(&adapter->blink_timer);
642 ixgb_led_off(&adapter->hw);
643 clear_bit(IXGB_LED_ON, &adapter->led_status);
644
645 return 0;
646 }
647
648 static int
ixgb_get_sset_count(struct net_device * netdev,int sset)649 ixgb_get_sset_count(struct net_device *netdev, int sset)
650 {
651 switch (sset) {
652 case ETH_SS_STATS:
653 return IXGB_STATS_LEN;
654 default:
655 return -EOPNOTSUPP;
656 }
657 }
658
659 static void
ixgb_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,u64 * data)660 ixgb_get_ethtool_stats(struct net_device *netdev,
661 struct ethtool_stats *stats, u64 *data)
662 {
663 struct ixgb_adapter *adapter = netdev_priv(netdev);
664 int i;
665
666 ixgb_update_stats(adapter);
667 for (i = 0; i < IXGB_STATS_LEN; i++) {
668 char *p = (char *)adapter+ixgb_gstrings_stats[i].stat_offset;
669 data[i] = (ixgb_gstrings_stats[i].sizeof_stat ==
670 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
671 }
672 }
673
674 static void
ixgb_get_strings(struct net_device * netdev,u32 stringset,u8 * data)675 ixgb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
676 {
677 int i;
678
679 switch(stringset) {
680 case ETH_SS_STATS:
681 for (i = 0; i < IXGB_STATS_LEN; i++) {
682 memcpy(data + i * ETH_GSTRING_LEN,
683 ixgb_gstrings_stats[i].stat_string,
684 ETH_GSTRING_LEN);
685 }
686 break;
687 }
688 }
689
690 static const struct ethtool_ops ixgb_ethtool_ops = {
691 .get_settings = ixgb_get_settings,
692 .set_settings = ixgb_set_settings,
693 .get_drvinfo = ixgb_get_drvinfo,
694 .get_regs_len = ixgb_get_regs_len,
695 .get_regs = ixgb_get_regs,
696 .get_link = ethtool_op_get_link,
697 .get_eeprom_len = ixgb_get_eeprom_len,
698 .get_eeprom = ixgb_get_eeprom,
699 .set_eeprom = ixgb_set_eeprom,
700 .get_ringparam = ixgb_get_ringparam,
701 .set_ringparam = ixgb_set_ringparam,
702 .get_pauseparam = ixgb_get_pauseparam,
703 .set_pauseparam = ixgb_set_pauseparam,
704 .get_rx_csum = ixgb_get_rx_csum,
705 .set_rx_csum = ixgb_set_rx_csum,
706 .get_tx_csum = ixgb_get_tx_csum,
707 .set_tx_csum = ixgb_set_tx_csum,
708 .set_sg = ethtool_op_set_sg,
709 .get_msglevel = ixgb_get_msglevel,
710 .set_msglevel = ixgb_set_msglevel,
711 .set_tso = ixgb_set_tso,
712 .get_strings = ixgb_get_strings,
713 .phys_id = ixgb_phys_id,
714 .get_sset_count = ixgb_get_sset_count,
715 .get_ethtool_stats = ixgb_get_ethtool_stats,
716 };
717
ixgb_set_ethtool_ops(struct net_device * netdev)718 void ixgb_set_ethtool_ops(struct net_device *netdev)
719 {
720 SET_ETHTOOL_OPS(netdev, &ixgb_ethtool_ops);
721 }
722