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1da177e4 LT |
1 | /* |
2 | * drivers/net/gianfar_ethtool.c | |
3 | * | |
4 | * Gianfar Ethernet Driver | |
5 | * Ethtool support for Gianfar Enet | |
6 | * Based on e1000 ethtool support | |
7 | * | |
8 | * Author: Andy Fleming | |
9 | * Maintainer: Kumar Gala (kumar.gala@freescale.com) | |
10 | * | |
11 | * Copyright (c) 2003,2004 Freescale Semiconductor, Inc. | |
12 | * | |
13 | * This software may be used and distributed according to | |
14 | * the terms of the GNU Public License, Version 2, incorporated herein | |
15 | * by reference. | |
16 | */ | |
17 | ||
18 | #include <linux/config.h> | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/sched.h> | |
21 | #include <linux/string.h> | |
22 | #include <linux/errno.h> | |
23 | #include <linux/slab.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/netdevice.h> | |
28 | #include <linux/etherdevice.h> | |
29 | #include <linux/skbuff.h> | |
30 | #include <linux/spinlock.h> | |
31 | #include <linux/mm.h> | |
32 | ||
33 | #include <asm/io.h> | |
34 | #include <asm/irq.h> | |
35 | #include <asm/uaccess.h> | |
36 | #include <linux/module.h> | |
37 | #include <linux/version.h> | |
38 | #include <linux/crc32.h> | |
39 | #include <asm/types.h> | |
40 | #include <asm/uaccess.h> | |
41 | #include <linux/ethtool.h> | |
42 | ||
43 | #include "gianfar.h" | |
44 | ||
45 | #define is_power_of_2(x) ((x) != 0 && (((x) & ((x) - 1)) == 0)) | |
46 | ||
47 | extern int startup_gfar(struct net_device *dev); | |
48 | extern void stop_gfar(struct net_device *dev); | |
49 | extern void gfar_receive(int irq, void *dev_id, struct pt_regs *regs); | |
50 | ||
51 | void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, | |
52 | u64 * buf); | |
53 | void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf); | |
54 | int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals); | |
55 | int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals); | |
56 | void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals); | |
57 | int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals); | |
58 | void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo); | |
59 | ||
60 | static char stat_gstrings[][ETH_GSTRING_LEN] = { | |
61 | "rx-dropped-by-kernel", | |
62 | "rx-large-frame-errors", | |
63 | "rx-short-frame-errors", | |
64 | "rx-non-octet-errors", | |
65 | "rx-crc-errors", | |
66 | "rx-overrun-errors", | |
67 | "rx-busy-errors", | |
68 | "rx-babbling-errors", | |
69 | "rx-truncated-frames", | |
70 | "ethernet-bus-error", | |
71 | "tx-babbling-errors", | |
72 | "tx-underrun-errors", | |
73 | "rx-skb-missing-errors", | |
74 | "tx-timeout-errors", | |
75 | "tx-rx-64-frames", | |
76 | "tx-rx-65-127-frames", | |
77 | "tx-rx-128-255-frames", | |
78 | "tx-rx-256-511-frames", | |
79 | "tx-rx-512-1023-frames", | |
80 | "tx-rx-1024-1518-frames", | |
81 | "tx-rx-1519-1522-good-vlan", | |
82 | "rx-bytes", | |
83 | "rx-packets", | |
84 | "rx-fcs-errors", | |
85 | "receive-multicast-packet", | |
86 | "receive-broadcast-packet", | |
87 | "rx-control-frame-packets", | |
88 | "rx-pause-frame-packets", | |
89 | "rx-unknown-op-code", | |
90 | "rx-alignment-error", | |
91 | "rx-frame-length-error", | |
92 | "rx-code-error", | |
93 | "rx-carrier-sense-error", | |
94 | "rx-undersize-packets", | |
95 | "rx-oversize-packets", | |
96 | "rx-fragmented-frames", | |
97 | "rx-jabber-frames", | |
98 | "rx-dropped-frames", | |
99 | "tx-byte-counter", | |
100 | "tx-packets", | |
101 | "tx-multicast-packets", | |
102 | "tx-broadcast-packets", | |
103 | "tx-pause-control-frames", | |
104 | "tx-deferral-packets", | |
105 | "tx-excessive-deferral-packets", | |
106 | "tx-single-collision-packets", | |
107 | "tx-multiple-collision-packets", | |
108 | "tx-late-collision-packets", | |
109 | "tx-excessive-collision-packets", | |
110 | "tx-total-collision", | |
111 | "reserved", | |
112 | "tx-dropped-frames", | |
113 | "tx-jabber-frames", | |
114 | "tx-fcs-errors", | |
115 | "tx-control-frames", | |
116 | "tx-oversize-frames", | |
117 | "tx-undersize-frames", | |
118 | "tx-fragmented-frames", | |
119 | }; | |
120 | ||
121 | /* Fill in an array of 64-bit statistics from various sources. | |
122 | * This array will be appended to the end of the ethtool_stats | |
123 | * structure, and returned to user space | |
124 | */ | |
125 | void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf) | |
126 | { | |
127 | int i; | |
128 | struct gfar_private *priv = netdev_priv(dev); | |
129 | u32 *rmon = (u32 *) & priv->regs->rmon; | |
130 | u64 *extra = (u64 *) & priv->extra_stats; | |
131 | struct gfar_stats *stats = (struct gfar_stats *) buf; | |
132 | ||
133 | for (i = 0; i < GFAR_RMON_LEN; i++) { | |
134 | stats->rmon[i] = (u64) (rmon[i]); | |
135 | } | |
136 | ||
137 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) { | |
138 | stats->extra[i] = extra[i]; | |
139 | } | |
140 | } | |
141 | ||
142 | /* Returns the number of stats (and their corresponding strings) */ | |
143 | int gfar_stats_count(struct net_device *dev) | |
144 | { | |
145 | return GFAR_STATS_LEN; | |
146 | } | |
147 | ||
148 | void gfar_gstrings_normon(struct net_device *dev, u32 stringset, u8 * buf) | |
149 | { | |
150 | memcpy(buf, stat_gstrings, GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN); | |
151 | } | |
152 | ||
153 | void gfar_fill_stats_normon(struct net_device *dev, | |
154 | struct ethtool_stats *dummy, u64 * buf) | |
155 | { | |
156 | int i; | |
157 | struct gfar_private *priv = netdev_priv(dev); | |
158 | u64 *extra = (u64 *) & priv->extra_stats; | |
159 | ||
160 | for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++) { | |
161 | buf[i] = extra[i]; | |
162 | } | |
163 | } | |
164 | ||
165 | ||
166 | int gfar_stats_count_normon(struct net_device *dev) | |
167 | { | |
168 | return GFAR_EXTRA_STATS_LEN; | |
169 | } | |
170 | /* Fills in the drvinfo structure with some basic info */ | |
171 | void gfar_gdrvinfo(struct net_device *dev, struct | |
172 | ethtool_drvinfo *drvinfo) | |
173 | { | |
174 | strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN); | |
175 | strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN); | |
176 | strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN); | |
177 | strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN); | |
178 | drvinfo->n_stats = GFAR_STATS_LEN; | |
179 | drvinfo->testinfo_len = 0; | |
180 | drvinfo->regdump_len = 0; | |
181 | drvinfo->eedump_len = 0; | |
182 | } | |
183 | ||
184 | /* Return the current settings in the ethtool_cmd structure */ | |
185 | int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd) | |
186 | { | |
187 | struct gfar_private *priv = netdev_priv(dev); | |
188 | uint gigabit_support = | |
189 | priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? | |
190 | SUPPORTED_1000baseT_Full : 0; | |
191 | uint gigabit_advert = | |
192 | priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT ? | |
193 | ADVERTISED_1000baseT_Full: 0; | |
194 | ||
195 | cmd->supported = (SUPPORTED_10baseT_Half | |
196 | | SUPPORTED_100baseT_Half | |
197 | | SUPPORTED_100baseT_Full | |
198 | | gigabit_support | SUPPORTED_Autoneg); | |
199 | ||
200 | /* For now, we always advertise everything */ | |
201 | cmd->advertising = (ADVERTISED_10baseT_Half | |
202 | | ADVERTISED_100baseT_Half | |
203 | | ADVERTISED_100baseT_Full | |
204 | | gigabit_advert | ADVERTISED_Autoneg); | |
205 | ||
206 | cmd->speed = priv->mii_info->speed; | |
207 | cmd->duplex = priv->mii_info->duplex; | |
208 | cmd->port = PORT_MII; | |
209 | cmd->phy_address = priv->mii_info->mii_id; | |
210 | cmd->transceiver = XCVR_EXTERNAL; | |
211 | cmd->autoneg = AUTONEG_ENABLE; | |
212 | cmd->maxtxpkt = priv->txcount; | |
213 | cmd->maxrxpkt = priv->rxcount; | |
214 | ||
215 | return 0; | |
216 | } | |
217 | ||
218 | /* Return the length of the register structure */ | |
219 | int gfar_reglen(struct net_device *dev) | |
220 | { | |
221 | return sizeof (struct gfar); | |
222 | } | |
223 | ||
224 | /* Return a dump of the GFAR register space */ | |
225 | void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf) | |
226 | { | |
227 | int i; | |
228 | struct gfar_private *priv = netdev_priv(dev); | |
229 | u32 *theregs = (u32 *) priv->regs; | |
230 | u32 *buf = (u32 *) regbuf; | |
231 | ||
232 | for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++) | |
233 | buf[i] = theregs[i]; | |
234 | } | |
235 | ||
236 | /* Fill in a buffer with the strings which correspond to the | |
237 | * stats */ | |
238 | void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf) | |
239 | { | |
240 | memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN); | |
241 | } | |
242 | ||
243 | /* Convert microseconds to ethernet clock ticks, which changes | |
244 | * depending on what speed the controller is running at */ | |
245 | static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs) | |
246 | { | |
247 | unsigned int count; | |
248 | ||
249 | /* The timer is different, depending on the interface speed */ | |
250 | switch (priv->mii_info->speed) { | |
251 | case 1000: | |
252 | count = GFAR_GBIT_TIME; | |
253 | break; | |
254 | case 100: | |
255 | count = GFAR_100_TIME; | |
256 | break; | |
257 | case 10: | |
258 | default: | |
259 | count = GFAR_10_TIME; | |
260 | break; | |
261 | } | |
262 | ||
263 | /* Make sure we return a number greater than 0 | |
264 | * if usecs > 0 */ | |
265 | return ((usecs * 1000 + count - 1) / count); | |
266 | } | |
267 | ||
268 | /* Convert ethernet clock ticks to microseconds */ | |
269 | static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks) | |
270 | { | |
271 | unsigned int count; | |
272 | ||
273 | /* The timer is different, depending on the interface speed */ | |
274 | switch (priv->mii_info->speed) { | |
275 | case 1000: | |
276 | count = GFAR_GBIT_TIME; | |
277 | break; | |
278 | case 100: | |
279 | count = GFAR_100_TIME; | |
280 | break; | |
281 | case 10: | |
282 | default: | |
283 | count = GFAR_10_TIME; | |
284 | break; | |
285 | } | |
286 | ||
287 | /* Make sure we return a number greater than 0 */ | |
288 | /* if ticks is > 0 */ | |
289 | return ((ticks * count) / 1000); | |
290 | } | |
291 | ||
292 | /* Get the coalescing parameters, and put them in the cvals | |
293 | * structure. */ | |
294 | int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) | |
295 | { | |
296 | struct gfar_private *priv = netdev_priv(dev); | |
297 | ||
298 | cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, priv->rxtime); | |
299 | cvals->rx_max_coalesced_frames = priv->rxcount; | |
300 | ||
301 | cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, priv->txtime); | |
302 | cvals->tx_max_coalesced_frames = priv->txcount; | |
303 | ||
304 | cvals->use_adaptive_rx_coalesce = 0; | |
305 | cvals->use_adaptive_tx_coalesce = 0; | |
306 | ||
307 | cvals->pkt_rate_low = 0; | |
308 | cvals->rx_coalesce_usecs_low = 0; | |
309 | cvals->rx_max_coalesced_frames_low = 0; | |
310 | cvals->tx_coalesce_usecs_low = 0; | |
311 | cvals->tx_max_coalesced_frames_low = 0; | |
312 | ||
313 | /* When the packet rate is below pkt_rate_high but above | |
314 | * pkt_rate_low (both measured in packets per second) the | |
315 | * normal {rx,tx}_* coalescing parameters are used. | |
316 | */ | |
317 | ||
318 | /* When the packet rate is (measured in packets per second) | |
319 | * is above pkt_rate_high, the {rx,tx}_*_high parameters are | |
320 | * used. | |
321 | */ | |
322 | cvals->pkt_rate_high = 0; | |
323 | cvals->rx_coalesce_usecs_high = 0; | |
324 | cvals->rx_max_coalesced_frames_high = 0; | |
325 | cvals->tx_coalesce_usecs_high = 0; | |
326 | cvals->tx_max_coalesced_frames_high = 0; | |
327 | ||
328 | /* How often to do adaptive coalescing packet rate sampling, | |
329 | * measured in seconds. Must not be zero. | |
330 | */ | |
331 | cvals->rate_sample_interval = 0; | |
332 | ||
333 | return 0; | |
334 | } | |
335 | ||
336 | /* Change the coalescing values. | |
337 | * Both cvals->*_usecs and cvals->*_frames have to be > 0 | |
338 | * in order for coalescing to be active | |
339 | */ | |
340 | int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals) | |
341 | { | |
342 | struct gfar_private *priv = netdev_priv(dev); | |
343 | ||
344 | /* Set up rx coalescing */ | |
345 | if ((cvals->rx_coalesce_usecs == 0) || | |
346 | (cvals->rx_max_coalesced_frames == 0)) | |
347 | priv->rxcoalescing = 0; | |
348 | else | |
349 | priv->rxcoalescing = 1; | |
350 | ||
351 | priv->rxtime = gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs); | |
352 | priv->rxcount = cvals->rx_max_coalesced_frames; | |
353 | ||
354 | /* Set up tx coalescing */ | |
355 | if ((cvals->tx_coalesce_usecs == 0) || | |
356 | (cvals->tx_max_coalesced_frames == 0)) | |
357 | priv->txcoalescing = 0; | |
358 | else | |
359 | priv->txcoalescing = 1; | |
360 | ||
361 | priv->txtime = gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs); | |
362 | priv->txcount = cvals->tx_max_coalesced_frames; | |
363 | ||
364 | if (priv->rxcoalescing) | |
365 | gfar_write(&priv->regs->rxic, | |
366 | mk_ic_value(priv->rxcount, priv->rxtime)); | |
367 | else | |
368 | gfar_write(&priv->regs->rxic, 0); | |
369 | ||
370 | if (priv->txcoalescing) | |
371 | gfar_write(&priv->regs->txic, | |
372 | mk_ic_value(priv->txcount, priv->txtime)); | |
373 | else | |
374 | gfar_write(&priv->regs->txic, 0); | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
379 | /* Fills in rvals with the current ring parameters. Currently, | |
380 | * rx, rx_mini, and rx_jumbo rings are the same size, as mini and | |
381 | * jumbo are ignored by the driver */ | |
382 | void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals) | |
383 | { | |
384 | struct gfar_private *priv = netdev_priv(dev); | |
385 | ||
386 | rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE; | |
387 | rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE; | |
388 | rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE; | |
389 | rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE; | |
390 | ||
391 | /* Values changeable by the user. The valid values are | |
392 | * in the range 1 to the "*_max_pending" counterpart above. | |
393 | */ | |
394 | rvals->rx_pending = priv->rx_ring_size; | |
395 | rvals->rx_mini_pending = priv->rx_ring_size; | |
396 | rvals->rx_jumbo_pending = priv->rx_ring_size; | |
397 | rvals->tx_pending = priv->tx_ring_size; | |
398 | } | |
399 | ||
400 | /* Change the current ring parameters, stopping the controller if | |
401 | * necessary so that we don't mess things up while we're in | |
402 | * motion. We wait for the ring to be clean before reallocating | |
403 | * the rings. */ | |
404 | int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals) | |
405 | { | |
406 | u32 tempval; | |
407 | struct gfar_private *priv = netdev_priv(dev); | |
408 | int err = 0; | |
409 | ||
410 | if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE) | |
411 | return -EINVAL; | |
412 | ||
413 | if (!is_power_of_2(rvals->rx_pending)) { | |
414 | printk("%s: Ring sizes must be a power of 2\n", | |
415 | dev->name); | |
416 | return -EINVAL; | |
417 | } | |
418 | ||
419 | if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE) | |
420 | return -EINVAL; | |
421 | ||
422 | if (!is_power_of_2(rvals->tx_pending)) { | |
423 | printk("%s: Ring sizes must be a power of 2\n", | |
424 | dev->name); | |
425 | return -EINVAL; | |
426 | } | |
427 | ||
428 | /* Stop the controller so we don't rx any more frames */ | |
429 | /* But first, make sure we clear the bits */ | |
430 | tempval = gfar_read(&priv->regs->dmactrl); | |
431 | tempval &= ~(DMACTRL_GRS | DMACTRL_GTS); | |
432 | gfar_write(&priv->regs->dmactrl, tempval); | |
433 | ||
434 | tempval = gfar_read(&priv->regs->dmactrl); | |
435 | tempval |= (DMACTRL_GRS | DMACTRL_GTS); | |
436 | gfar_write(&priv->regs->dmactrl, tempval); | |
437 | ||
438 | while (!(gfar_read(&priv->regs->ievent) & (IEVENT_GRSC | IEVENT_GTSC))) | |
439 | cpu_relax(); | |
440 | ||
441 | /* Note that rx is not clean right now */ | |
442 | priv->rxclean = 0; | |
443 | ||
444 | if (dev->flags & IFF_UP) { | |
445 | /* Tell the driver to process the rest of the frames */ | |
446 | gfar_receive(0, (void *) dev, NULL); | |
447 | ||
448 | /* Now wait for it to be done */ | |
449 | wait_event_interruptible(priv->rxcleanupq, priv->rxclean); | |
450 | ||
451 | /* Ok, all packets have been handled. Now we bring it down, | |
452 | * change the ring size, and bring it up */ | |
453 | ||
454 | stop_gfar(dev); | |
455 | } | |
456 | ||
457 | priv->rx_ring_size = rvals->rx_pending; | |
458 | priv->tx_ring_size = rvals->tx_pending; | |
459 | ||
460 | if (dev->flags & IFF_UP) | |
461 | err = startup_gfar(dev); | |
462 | ||
463 | return err; | |
464 | } | |
465 | ||
466 | struct ethtool_ops gfar_ethtool_ops = { | |
467 | .get_settings = gfar_gsettings, | |
468 | .get_drvinfo = gfar_gdrvinfo, | |
469 | .get_regs_len = gfar_reglen, | |
470 | .get_regs = gfar_get_regs, | |
471 | .get_link = ethtool_op_get_link, | |
472 | .get_coalesce = gfar_gcoalesce, | |
473 | .set_coalesce = gfar_scoalesce, | |
474 | .get_ringparam = gfar_gringparam, | |
475 | .set_ringparam = gfar_sringparam, | |
476 | .get_strings = gfar_gstrings, | |
477 | .get_stats_count = gfar_stats_count, | |
478 | .get_ethtool_stats = gfar_fill_stats, | |
479 | }; | |
480 | ||
481 | struct ethtool_ops gfar_normon_nocoalesce_ethtool_ops = { | |
482 | .get_settings = gfar_gsettings, | |
483 | .get_drvinfo = gfar_gdrvinfo, | |
484 | .get_regs_len = gfar_reglen, | |
485 | .get_regs = gfar_get_regs, | |
486 | .get_link = ethtool_op_get_link, | |
487 | .get_ringparam = gfar_gringparam, | |
488 | .set_ringparam = gfar_sringparam, | |
489 | .get_strings = gfar_gstrings_normon, | |
490 | .get_stats_count = gfar_stats_count_normon, | |
491 | .get_ethtool_stats = gfar_fill_stats_normon, | |
492 | }; | |
493 | ||
494 | struct ethtool_ops gfar_nocoalesce_ethtool_ops = { | |
495 | .get_settings = gfar_gsettings, | |
496 | .get_drvinfo = gfar_gdrvinfo, | |
497 | .get_regs_len = gfar_reglen, | |
498 | .get_regs = gfar_get_regs, | |
499 | .get_link = ethtool_op_get_link, | |
500 | .get_ringparam = gfar_gringparam, | |
501 | .set_ringparam = gfar_sringparam, | |
502 | .get_strings = gfar_gstrings, | |
503 | .get_stats_count = gfar_stats_count, | |
504 | .get_ethtool_stats = gfar_fill_stats, | |
505 | }; | |
506 | ||
507 | struct ethtool_ops gfar_normon_ethtool_ops = { | |
508 | .get_settings = gfar_gsettings, | |
509 | .get_drvinfo = gfar_gdrvinfo, | |
510 | .get_regs_len = gfar_reglen, | |
511 | .get_regs = gfar_get_regs, | |
512 | .get_link = ethtool_op_get_link, | |
513 | .get_coalesce = gfar_gcoalesce, | |
514 | .set_coalesce = gfar_scoalesce, | |
515 | .get_ringparam = gfar_gringparam, | |
516 | .set_ringparam = gfar_sringparam, | |
517 | .get_strings = gfar_gstrings_normon, | |
518 | .get_stats_count = gfar_stats_count_normon, | |
519 | .get_ethtool_stats = gfar_fill_stats_normon, | |
520 | }; | |
521 | ||
522 | struct ethtool_ops *gfar_op_array[] = { | |
523 | &gfar_ethtool_ops, | |
524 | &gfar_normon_ethtool_ops, | |
525 | &gfar_nocoalesce_ethtool_ops, | |
526 | &gfar_normon_nocoalesce_ethtool_ops | |
527 | }; |