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