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Disable router anycast address for /127 prefixes
[mirror_ubuntu-bionic-kernel.git] / drivers / net / gianfar_ethtool.c
CommitLineData
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
4c8d3d99 9 * Maintainer: Kumar Gala
a12f801d 10 * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
1da177e4 11 *
6c43e046 12 * Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc.
1da177e4 13 *
6aa20a22
JG		 14 * This software may be used and distributed according to
15 * the terms of the GNU Public License, Version 2, incorporated herein
1da177e4
LT		 16 * by reference.
17 */
18
59deab26
JP		 19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
1da177e4 21#include <linux/kernel.h>
1da177e4
LT		 22#include <linux/string.h>
23#include <linux/errno.h>
1da177e4
LT		 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>
1da177e4
LT		 37#include <linux/crc32.h>
38#include <asm/types.h>
1da177e4 39#include <linux/ethtool.h>
bb40dcbb
AF		 40#include <linux/mii.h>
41#include <linux/phy.h>
4aa3a715 42#include <linux/sort.h>
1da177e4
LT		 43
44#include "gianfar.h"
45
0bbaf069 46extern void gfar_start(struct net_device *dev);
a12f801d 47extern int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit);
1da177e4 48
bb40dcbb
AF		 49#define GFAR_MAX_COAL_USECS 0xffff
50#define GFAR_MAX_COAL_FRAMES 0xff
0bbaf069 51static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
1da177e4 52 u64 * buf);
0bbaf069
KG		 53static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
54static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
55static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals);
56static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
57static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals);
58static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo);
1da177e4
LT		 59
60static 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
0bbaf069
KG		 121/* Fill in a buffer with the strings which correspond to the
122 * stats */
123static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
124{
125 struct gfar_private *priv = netdev_priv(dev);
7f7f5316 126
b31a1d8b 127 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
0bbaf069
KG		 128 memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
129 else
130 memcpy(buf, stat_gstrings,
131 GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
132}
133
1da177e4
LT		 134/* Fill in an array of 64-bit statistics from various sources.
135 * This array will be appended to the end of the ethtool_stats
136 * structure, and returned to user space
137 */
0bbaf069 138static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy, u64 * buf)
1da177e4
LT		 139{
140 int i;
141 struct gfar_private *priv = netdev_priv(dev);
46ceb60c 142 struct gfar __iomem *regs = priv->gfargrp[0].regs;
1da177e4 143 u64 *extra = (u64 *) & priv->extra_stats;
1da177e4 144
b31a1d8b 145 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
f4983704 146 u32 __iomem *rmon = (u32 __iomem *) &regs->rmon;
0bbaf069 147 struct gfar_stats *stats = (struct gfar_stats *) buf;
1da177e4 148
0bbaf069 149 for (i = 0; i < GFAR_RMON_LEN; i++)
cc8c6e37 150 stats->rmon[i] = (u64) gfar_read(&rmon[i]);
1da177e4 151
0bbaf069
KG		 152 for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
153 stats->extra[i] = extra[i];
154 } else
155 for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
156 buf[i] = extra[i];
1da177e4
LT		 157}
158
b9f2c044 159static int gfar_sset_count(struct net_device *dev, int sset)
1da177e4 160{
1da177e4 161 struct gfar_private *priv = netdev_priv(dev);
1da177e4 162
b9f2c044
JG		 163 switch (sset) {
164 case ETH_SS_STATS:
b31a1d8b 165 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
b9f2c044
JG		 166 return GFAR_STATS_LEN;
167 else
168 return GFAR_EXTRA_STATS_LEN;
169 default:
170 return -EOPNOTSUPP;
171 }
1da177e4
LT		 172}
173
1da177e4 174/* Fills in the drvinfo structure with some basic info */
0bbaf069 175static void gfar_gdrvinfo(struct net_device *dev, struct
1da177e4
LT		 176 ethtool_drvinfo *drvinfo)
177{
178 strncpy(drvinfo->driver, DRV_NAME, GFAR_INFOSTR_LEN);
179 strncpy(drvinfo->version, gfar_driver_version, GFAR_INFOSTR_LEN);
180 strncpy(drvinfo->fw_version, "N/A", GFAR_INFOSTR_LEN);
181 strncpy(drvinfo->bus_info, "N/A", GFAR_INFOSTR_LEN);
1da177e4
LT		 182 drvinfo->regdump_len = 0;
183 drvinfo->eedump_len = 0;
184}
185
bb40dcbb
AF		 186
187static int gfar_ssettings(struct net_device *dev, struct ethtool_cmd *cmd)
188{
189 struct gfar_private *priv = netdev_priv(dev);
190 struct phy_device *phydev = priv->phydev;
191
192 if (NULL == phydev)
193 return -ENODEV;
194
195 return phy_ethtool_sset(phydev, cmd);
196}
197
198
1da177e4 199/* Return the current settings in the ethtool_cmd structure */
0bbaf069 200static int gfar_gsettings(struct net_device *dev, struct ethtool_cmd *cmd)
1da177e4
LT		 201{
202 struct gfar_private *priv = netdev_priv(dev);
bb40dcbb 203 struct phy_device *phydev = priv->phydev;
a12f801d
SG		 204 struct gfar_priv_rx_q *rx_queue = NULL;
205 struct gfar_priv_tx_q *tx_queue = NULL;
bb40dcbb
AF		 206
207 if (NULL == phydev)
208 return -ENODEV;
fba4ed03
SG		 209 tx_queue = priv->tx_queue[0];
210 rx_queue = priv->rx_queue[0];
6aa20a22 211
fba4ed03
SG		 212 /* etsec-1.7 and older versions have only one txic
213 * and rxic regs although they support multiple queues */
a12f801d
SG		 214 cmd->maxtxpkt = get_icft_value(tx_queue->txic);
215 cmd->maxrxpkt = get_icft_value(rx_queue->rxic);
1da177e4 216
bb40dcbb 217 return phy_ethtool_gset(phydev, cmd);
1da177e4
LT		 218}
219
220/* Return the length of the register structure */
0bbaf069 221static int gfar_reglen(struct net_device *dev)
1da177e4
LT		 222{
223 return sizeof (struct gfar);
224}
225
226/* Return a dump of the GFAR register space */
0bbaf069 227static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
1da177e4
LT		 228{
229 int i;
230 struct gfar_private *priv = netdev_priv(dev);
46ceb60c 231 u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
1da177e4
LT		 232 u32 *buf = (u32 *) regbuf;
233
234 for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
cc8c6e37 235 buf[i] = gfar_read(&theregs[i]);
1da177e4
LT		 236}
237
1da177e4
LT		 238/* Convert microseconds to ethernet clock ticks, which changes
239 * depending on what speed the controller is running at */
240static unsigned int gfar_usecs2ticks(struct gfar_private *priv, unsigned int usecs)
241{
242 unsigned int count;
243
244 /* The timer is different, depending on the interface speed */
bb40dcbb
AF		 245 switch (priv->phydev->speed) {
246 case SPEED_1000:
1da177e4
LT		 247 count = GFAR_GBIT_TIME;
248 break;
bb40dcbb 249 case SPEED_100:
1da177e4
LT		 250 count = GFAR_100_TIME;
251 break;
bb40dcbb 252 case SPEED_10:
1da177e4
LT		 253 default:
254 count = GFAR_10_TIME;
255 break;
256 }
257
258 /* Make sure we return a number greater than 0
259 * if usecs > 0 */
807540ba 260 return (usecs * 1000 + count - 1) / count;
1da177e4
LT		 261}
262
263/* Convert ethernet clock ticks to microseconds */
264static unsigned int gfar_ticks2usecs(struct gfar_private *priv, unsigned int ticks)
265{
266 unsigned int count;
267
268 /* The timer is different, depending on the interface speed */
bb40dcbb
AF		 269 switch (priv->phydev->speed) {
270 case SPEED_1000:
1da177e4
LT		 271 count = GFAR_GBIT_TIME;
272 break;
bb40dcbb 273 case SPEED_100:
1da177e4
LT		 274 count = GFAR_100_TIME;
275 break;
bb40dcbb 276 case SPEED_10:
1da177e4
LT		 277 default:
278 count = GFAR_10_TIME;
279 break;
280 }
281
282 /* Make sure we return a number greater than 0 */
283 /* if ticks is > 0 */
807540ba 284 return (ticks * count) / 1000;
1da177e4
LT		 285}
286
287/* Get the coalescing parameters, and put them in the cvals
288 * structure. */
0bbaf069 289static int gfar_gcoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
1da177e4
LT		 290{
291 struct gfar_private *priv = netdev_priv(dev);
a12f801d
SG		 292 struct gfar_priv_rx_q *rx_queue = NULL;
293 struct gfar_priv_tx_q *tx_queue = NULL;
b46a8454
DH		 294 unsigned long rxtime;
295 unsigned long rxcount;
296 unsigned long txtime;
297 unsigned long txcount;
6aa20a22 298
b31a1d8b 299 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
0bbaf069 300 return -EOPNOTSUPP;
1da177e4 301
bb40dcbb
AF		 302 if (NULL == priv->phydev)
303 return -ENODEV;
304
fba4ed03
SG		 305 rx_queue = priv->rx_queue[0];
306 tx_queue = priv->tx_queue[0];
a12f801d
SG		 307
308 rxtime = get_ictt_value(rx_queue->rxic);
309 rxcount = get_icft_value(rx_queue->rxic);
310 txtime = get_ictt_value(tx_queue->txic);
311 txcount = get_icft_value(tx_queue->txic);
b46a8454
DH		 312 cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
313 cvals->rx_max_coalesced_frames = rxcount;
1da177e4 314
b46a8454
DH		 315 cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
316 cvals->tx_max_coalesced_frames = txcount;
1da177e4
LT		 317
318 cvals->use_adaptive_rx_coalesce = 0;
319 cvals->use_adaptive_tx_coalesce = 0;
320
321 cvals->pkt_rate_low = 0;
322 cvals->rx_coalesce_usecs_low = 0;
323 cvals->rx_max_coalesced_frames_low = 0;
324 cvals->tx_coalesce_usecs_low = 0;
325 cvals->tx_max_coalesced_frames_low = 0;
326
327 /* When the packet rate is below pkt_rate_high but above
328 * pkt_rate_low (both measured in packets per second) the
329 * normal {rx,tx}_* coalescing parameters are used.
330 */
331
332 /* When the packet rate is (measured in packets per second)
333 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
334 * used.
335 */
336 cvals->pkt_rate_high = 0;
337 cvals->rx_coalesce_usecs_high = 0;
338 cvals->rx_max_coalesced_frames_high = 0;
339 cvals->tx_coalesce_usecs_high = 0;
340 cvals->tx_max_coalesced_frames_high = 0;
341
342 /* How often to do adaptive coalescing packet rate sampling,
343 * measured in seconds. Must not be zero.
344 */
345 cvals->rate_sample_interval = 0;
346
347 return 0;
348}
349
350/* Change the coalescing values.
351 * Both cvals->*_usecs and cvals->*_frames have to be > 0
352 * in order for coalescing to be active
353 */
0bbaf069 354static int gfar_scoalesce(struct net_device *dev, struct ethtool_coalesce *cvals)
1da177e4
LT		 355{
356 struct gfar_private *priv = netdev_priv(dev);
46ceb60c 357 int i = 0;
1da177e4 358
b31a1d8b 359 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
0bbaf069
KG		 360 return -EOPNOTSUPP;
361
1da177e4 362 /* Set up rx coalescing */
46ceb60c
SG		 363 /* As of now, we will enable/disable coalescing for all
364 * queues together in case of eTSEC2, this will be modified
365 * along with the ethtool interface */
1da177e4 366 if ((cvals->rx_coalesce_usecs == 0) ||
46ceb60c
SG		 367 (cvals->rx_max_coalesced_frames == 0)) {
368 for (i = 0; i < priv->num_rx_queues; i++)
369 priv->rx_queue[i]->rxcoalescing = 0;
370 } else {
371 for (i = 0; i < priv->num_rx_queues; i++)
372 priv->rx_queue[i]->rxcoalescing = 1;
373 }
1da177e4 374
bb40dcbb
AF		 375 if (NULL == priv->phydev)
376 return -ENODEV;
377
378 /* Check the bounds of the values */
379 if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
380 pr_info("Coalescing is limited to %d microseconds\n",
59deab26 381 GFAR_MAX_COAL_USECS);
bb40dcbb
AF		 382 return -EINVAL;
383 }
384
385 if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
386 pr_info("Coalescing is limited to %d frames\n",
59deab26 387 GFAR_MAX_COAL_FRAMES);
bb40dcbb
AF		 388 return -EINVAL;
389 }
390
46ceb60c
SG		 391 for (i = 0; i < priv->num_rx_queues; i++) {
392 priv->rx_queue[i]->rxic = mk_ic_value(
393 cvals->rx_max_coalesced_frames,
394 gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
395 }
1da177e4
LT		 396
397 /* Set up tx coalescing */
398 if ((cvals->tx_coalesce_usecs == 0) ||
46ceb60c
SG		 399 (cvals->tx_max_coalesced_frames == 0)) {
400 for (i = 0; i < priv->num_tx_queues; i++)
401 priv->tx_queue[i]->txcoalescing = 0;
402 } else {
403 for (i = 0; i < priv->num_tx_queues; i++)
404 priv->tx_queue[i]->txcoalescing = 1;
405 }
1da177e4 406
bb40dcbb
AF		 407 /* Check the bounds of the values */
408 if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
409 pr_info("Coalescing is limited to %d microseconds\n",
59deab26 410 GFAR_MAX_COAL_USECS);
bb40dcbb
AF		 411 return -EINVAL;
412 }
413
414 if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
415 pr_info("Coalescing is limited to %d frames\n",
59deab26 416 GFAR_MAX_COAL_FRAMES);
bb40dcbb
AF		 417 return -EINVAL;
418 }
419
46ceb60c
SG		 420 for (i = 0; i < priv->num_tx_queues; i++) {
421 priv->tx_queue[i]->txic = mk_ic_value(
422 cvals->tx_max_coalesced_frames,
423 gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
424 }
1da177e4 425
46ceb60c 426 gfar_configure_coalescing(priv, 0xFF, 0xFF);
1da177e4
LT		 427
428 return 0;
429}
430
431/* Fills in rvals with the current ring parameters. Currently,
432 * rx, rx_mini, and rx_jumbo rings are the same size, as mini and
433 * jumbo are ignored by the driver */
0bbaf069 434static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
1da177e4
LT		 435{
436 struct gfar_private *priv = netdev_priv(dev);
a12f801d
SG		 437 struct gfar_priv_tx_q *tx_queue = NULL;
438 struct gfar_priv_rx_q *rx_queue = NULL;
439
fba4ed03
SG		 440 tx_queue = priv->tx_queue[0];
441 rx_queue = priv->rx_queue[0];
1da177e4
LT		 442
443 rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
444 rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
445 rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
446 rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
447
448 /* Values changeable by the user. The valid values are
449 * in the range 1 to the "*_max_pending" counterpart above.
450 */
a12f801d
SG		 451 rvals->rx_pending = rx_queue->rx_ring_size;
452 rvals->rx_mini_pending = rx_queue->rx_ring_size;
453 rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
454 rvals->tx_pending = tx_queue->tx_ring_size;
1da177e4
LT		 455}
456
457/* Change the current ring parameters, stopping the controller if
458 * necessary so that we don't mess things up while we're in
459 * motion. We wait for the ring to be clean before reallocating
460 * the rings. */
0bbaf069 461static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals)
1da177e4 462{
1da177e4 463 struct gfar_private *priv = netdev_priv(dev);
fba4ed03 464 int err = 0, i = 0;
1da177e4
LT		 465
466 if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
467 return -EINVAL;
468
469 if (!is_power_of_2(rvals->rx_pending)) {
59deab26 470 netdev_err(dev, "Ring sizes must be a power of 2\n");
1da177e4
LT		 471 return -EINVAL;
472 }
473
474 if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
475 return -EINVAL;
476
477 if (!is_power_of_2(rvals->tx_pending)) {
59deab26 478 netdev_err(dev, "Ring sizes must be a power of 2\n");
1da177e4
LT		 479 return -EINVAL;
480 }
481
a12f801d 482
0bbaf069
KG		 483 if (dev->flags & IFF_UP) {
484 unsigned long flags;
1da177e4 485
0bbaf069
KG		 486 /* Halt TX and RX, and process the frames which
487 * have already been received */
fba4ed03
SG		 488 local_irq_save(flags);
489 lock_tx_qs(priv);
490 lock_rx_qs(priv);
fef6108d 491
0bbaf069 492 gfar_halt(dev);
fef6108d 493
fba4ed03
SG		 494 unlock_rx_qs(priv);
495 unlock_tx_qs(priv);
496 local_irq_restore(flags);
1da177e4 497
fba4ed03
SG		 498 for (i = 0; i < priv->num_rx_queues; i++)
499 gfar_clean_rx_ring(priv->rx_queue[i],
500 priv->rx_queue[i]->rx_ring_size);
12dea57b 501
0bbaf069
KG		 502 /* Now we take down the rings to rebuild them */
503 stop_gfar(dev);
504 }
1da177e4 505
0bbaf069 506 /* Change the size */
fba4ed03
SG		 507 for (i = 0; i < priv->num_rx_queues; i++) {
508 priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
509 priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
510 priv->tx_queue[i]->num_txbdfree = priv->tx_queue[i]->tx_ring_size;
511 }
1da177e4 512
0bbaf069 513 /* Rebuild the rings with the new size */
12dea57b 514 if (dev->flags & IFF_UP) {
0bbaf069 515 err = startup_gfar(dev);
fba4ed03 516 netif_tx_wake_all_queues(dev);
12dea57b 517 }
0bbaf069
KG		 518 return err;
519}
1da177e4 520
8b3afe95 521int gfar_set_features(struct net_device *dev, u32 features)
0bbaf069
KG		 522{
523 struct gfar_private *priv = netdev_priv(dev);
d87eb127 524 unsigned long flags;
fba4ed03 525 int err = 0, i = 0;
8b3afe95 526 u32 changed = dev->features ^ features;
1da177e4 527
8b3afe95
MM		 528 if (!(changed & NETIF_F_RXCSUM))
529 return 0;
a12f801d 530
0bbaf069 531 if (dev->flags & IFF_UP) {
0bbaf069
KG		 532 /* Halt TX and RX, and process the frames which
533 * have already been received */
fba4ed03
SG		 534 local_irq_save(flags);
535 lock_tx_qs(priv);
536 lock_rx_qs(priv);
fef6108d 537
0bbaf069 538 gfar_halt(dev);
fef6108d 539
fba4ed03
SG		 540 unlock_tx_qs(priv);
541 unlock_rx_qs(priv);
9756403b 542 local_irq_restore(flags);
0bbaf069 543
fba4ed03
SG		 544 for (i = 0; i < priv->num_rx_queues; i++)
545 gfar_clean_rx_ring(priv->rx_queue[i],
546 priv->rx_queue[i]->rx_ring_size);
12dea57b 547
0bbaf069 548 /* Now we take down the rings to rebuild them */
1da177e4 549 stop_gfar(dev);
1da177e4 550
8b3afe95 551 dev->features = features;
1da177e4 552
1da177e4 553 err = startup_gfar(dev);
fba4ed03 554 netif_tx_wake_all_queues(dev);
12dea57b 555 }
1da177e4
LT		 556 return err;
557}
558
0bbaf069 559static uint32_t gfar_get_msglevel(struct net_device *dev)
6aa20a22 560{
0bbaf069
KG		 561 struct gfar_private *priv = netdev_priv(dev);
562 return priv->msg_enable;
6aa20a22
JG		 563}
564
0bbaf069 565static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
6aa20a22 566{
0bbaf069
KG		 567 struct gfar_private *priv = netdev_priv(dev);
568 priv->msg_enable = data;
569}
570
d87eb127
SW		 571#ifdef CONFIG_PM
572static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
573{
574 struct gfar_private *priv = netdev_priv(dev);
575
b31a1d8b 576 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) {
d87eb127
SW		 577 wol->supported = WAKE_MAGIC;
578 wol->wolopts = priv->wol_en ? WAKE_MAGIC : 0;
579 } else {
580 wol->supported = wol->wolopts = 0;
581 }
582}
583
584static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
585{
586 struct gfar_private *priv = netdev_priv(dev);
587 unsigned long flags;
588
b31a1d8b 589 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_MAGIC_PACKET) &&
d87eb127
SW		 590 wol->wolopts != 0)
591 return -EINVAL;
592
593 if (wol->wolopts & ~WAKE_MAGIC)
594 return -EINVAL;
595
6c4f1994
RW		 596 device_set_wakeup_enable(&dev->dev, wol->wolopts & WAKE_MAGIC);
597
d87eb127 598 spin_lock_irqsave(&priv->bflock, flags);
6c4f1994 599 priv->wol_en = !!device_may_wakeup(&dev->dev);
d87eb127
SW		 600 spin_unlock_irqrestore(&priv->bflock, flags);
601
602 return 0;
603}
604#endif
0bbaf069 605
7a8b3372
SG		 606static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
607{
608 u32 fcr = 0x0, fpr = FPR_FILER_MASK;
609
610 if (ethflow & RXH_L2DA) {
611 fcr = RQFCR_PID_DAH |RQFCR_CMP_NOMATCH |
612 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 613 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
614 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 615 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
616 priv->cur_filer_idx = priv->cur_filer_idx - 1;
617
618 fcr = RQFCR_PID_DAL | RQFCR_AND | RQFCR_CMP_NOMATCH |
619 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 620 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
621 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 622 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
623 priv->cur_filer_idx = priv->cur_filer_idx - 1;
624 }
625
626 if (ethflow & RXH_VLAN) {
627 fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
628 RQFCR_AND | RQFCR_HASHTBL_0;
629 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
6c43e046
WJB		 630 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
631 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 632 priv->cur_filer_idx = priv->cur_filer_idx - 1;
633 }
634
635 if (ethflow & RXH_IP_SRC) {
636 fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
637 RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 638 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
639 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 640 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
641 priv->cur_filer_idx = priv->cur_filer_idx - 1;
642 }
643
644 if (ethflow & (RXH_IP_DST)) {
645 fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
646 RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 647 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
648 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 649 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
650 priv->cur_filer_idx = priv->cur_filer_idx - 1;
651 }
652
653 if (ethflow & RXH_L3_PROTO) {
654 fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
655 RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 656 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
657 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 658 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
659 priv->cur_filer_idx = priv->cur_filer_idx - 1;
660 }
661
662 if (ethflow & RXH_L4_B_0_1) {
663 fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
664 RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 665 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
666 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 667 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
668 priv->cur_filer_idx = priv->cur_filer_idx - 1;
669 }
670
671 if (ethflow & RXH_L4_B_2_3) {
672 fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
673 RQFCR_AND | RQFCR_HASHTBL_0;
6c43e046
WJB		 674 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
675 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
7a8b3372
SG		 676 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
677 priv->cur_filer_idx = priv->cur_filer_idx - 1;
678 }
679}
680
681static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u64 class)
682{
683 unsigned int last_rule_idx = priv->cur_filer_idx;
684 unsigned int cmp_rqfpr;
685 unsigned int local_rqfpr[MAX_FILER_IDX + 1];
686 unsigned int local_rqfcr[MAX_FILER_IDX + 1];
687 int i = 0x0, k = 0x0;
688 int j = MAX_FILER_IDX, l = 0x0;
689
690 switch (class) {
691 case TCP_V4_FLOW:
692 cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
693 break;
694 case UDP_V4_FLOW:
695 cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
696 break;
697 case TCP_V6_FLOW:
698 cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
699 break;
700 case UDP_V6_FLOW:
701 cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
702 break;
7a8b3372 703 default:
59deab26 704 pr_err("Right now this class is not supported\n");
7a8b3372
SG		 705 return 0;
706 }
707
708 for (i = 0; i < MAX_FILER_IDX + 1; i++) {
6c43e046
WJB		 709 local_rqfpr[j] = priv->ftp_rqfpr[i];
710 local_rqfcr[j] = priv->ftp_rqfcr[i];
7a8b3372 711 j--;
6c43e046 712 if ((priv->ftp_rqfcr[i] == (RQFCR_PID_PARSE |
7a8b3372 713 RQFCR_CLE |RQFCR_AND)) &&
6c43e046 714 (priv->ftp_rqfpr[i] == cmp_rqfpr))
7a8b3372
SG		 715 break;
716 }
717
718 if (i == MAX_FILER_IDX + 1) {
59deab26 719 pr_err("No parse rule found, can't create hash rules\n");
7a8b3372
SG		 720 return 0;
721 }
722
723 /* If a match was found, then it begins the starting of a cluster rule
724 * if it was already programmed, we need to overwrite these rules
725 */
726 for (l = i+1; l < MAX_FILER_IDX; l++) {
6c43e046
WJB		 727 if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
728 !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
729 priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
7a8b3372 730 RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
6c43e046
WJB		 731 priv->ftp_rqfpr[l] = FPR_FILER_MASK;
732 gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
733 priv->ftp_rqfpr[l]);
7a8b3372
SG		 734 break;
735 }
736
6c43e046
WJB		 737 if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
738 (priv->ftp_rqfcr[l] & RQFCR_AND))
7a8b3372
SG		 739 continue;
740 else {
6c43e046
WJB		 741 local_rqfpr[j] = priv->ftp_rqfpr[l];
742 local_rqfcr[j] = priv->ftp_rqfcr[l];
7a8b3372
SG		 743 j--;
744 }
745 }
746
747 priv->cur_filer_idx = l - 1;
748 last_rule_idx = l;
749
750 /* hash rules */
751 ethflow_to_filer_rules(priv, ethflow);
752
753 /* Write back the popped out rules again */
754 for (k = j+1; k < MAX_FILER_IDX; k++) {
6c43e046
WJB		 755 priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
756 priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
7a8b3372
SG		 757 gfar_write_filer(priv, priv->cur_filer_idx,
758 local_rqfcr[k], local_rqfpr[k]);
759 if (!priv->cur_filer_idx)
760 break;
761 priv->cur_filer_idx = priv->cur_filer_idx - 1;
762 }
763
764 return 1;
765}
766
767static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
768{
7a8b3372
SG		 769 /* write the filer rules here */
770 if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
bde3528f 771 return -EINVAL;
7a8b3372
SG		 772
773 return 0;
774}
775
4aa3a715
SP		 776static int gfar_check_filer_hardware(struct gfar_private *priv)
777{
778 struct gfar __iomem *regs = NULL;
779 u32 i;
780
781 regs = priv->gfargrp[0].regs;
782
783 /* Check if we are in FIFO mode */
784 i = gfar_read(&regs->ecntrl);
785 i &= ECNTRL_FIFM;
786 if (i == ECNTRL_FIFM) {
787 netdev_notice(priv->ndev, "Interface in FIFO mode\n");
788 i = gfar_read(&regs->rctrl);
789 i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
790 if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
791 netdev_info(priv->ndev,
792 "Receive Queue Filtering enabled\n");
793 } else {
794 netdev_warn(priv->ndev,
795 "Receive Queue Filtering disabled\n");
796 return -EOPNOTSUPP;
797 }
798 }
799 /* Or in standard mode */
800 else {
801 i = gfar_read(&regs->rctrl);
802 i &= RCTRL_PRSDEP_MASK;
803 if (i == RCTRL_PRSDEP_MASK) {
804 netdev_info(priv->ndev,
805 "Receive Queue Filtering enabled\n");
806 } else {
807 netdev_warn(priv->ndev,
808 "Receive Queue Filtering disabled\n");
809 return -EOPNOTSUPP;
810 }
811 }
812
813 /* Sets the properties for arbitrary filer rule
814 * to the first 4 Layer 4 Bytes */
815 regs->rbifx = 0xC0C1C2C3;
816 return 0;
817}
818
819static int gfar_comp_asc(const void *a, const void *b)
820{
821 return memcmp(a, b, 4);
822}
823
824static int gfar_comp_desc(const void *a, const void *b)
825{
826 return -memcmp(a, b, 4);
827}
828
829static void gfar_swap(void *a, void *b, int size)
830{
831 u32 *_a = a;
832 u32 *_b = b;
833
834 swap(_a[0], _b[0]);
835 swap(_a[1], _b[1]);
836 swap(_a[2], _b[2]);
837 swap(_a[3], _b[3]);
838}
839
840/* Write a mask to filer cache */
841static void gfar_set_mask(u32 mask, struct filer_table *tab)
842{
843 tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
844 tab->fe[tab->index].prop = mask;
845 tab->index++;
846}
847
848/* Sets parse bits (e.g. IP or TCP) */
849static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
850{
851 gfar_set_mask(mask, tab);
852 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE
853 | RQFCR_AND;
854 tab->fe[tab->index].prop = value;
855 tab->index++;
856}
857
858static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
859 struct filer_table *tab)
860{
861 gfar_set_mask(mask, tab);
862 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
863 tab->fe[tab->index].prop = value;
864 tab->index++;
865}
866
867/*
868 * For setting a tuple of value and mask of type flag
869 * Example:
870 * IP-Src = 10.0.0.0/255.0.0.0
871 * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
872 *
873 * Ethtool gives us a value=0 and mask=~0 for don't care a tuple
874 * For a don't care mask it gives us a 0
875 *
876 * The check if don't care and the mask adjustment if mask=0 is done for VLAN
877 * and MAC stuff on an upper level (due to missing information on this level).
878 * For these guys we can discard them if they are value=0 and mask=0.
879 *
880 * Further the all masks are one-padded for better hardware efficiency.
881 */
882static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
883 struct filer_table *tab)
884{
885 switch (flag) {
886 /* 3bit */
887 case RQFCR_PID_PRI:
888 if (!(value | mask))
889 return;
890 mask |= RQFCR_PID_PRI_MASK;
891 break;
892 /* 8bit */
893 case RQFCR_PID_L4P:
894 case RQFCR_PID_TOS:
895 if (!~(mask | RQFCR_PID_L4P_MASK))
896 return;
897 if (!mask)
898 mask = ~0;
899 else
900 mask |= RQFCR_PID_L4P_MASK;
901 break;
902 /* 12bit */
903 case RQFCR_PID_VID:
904 if (!(value | mask))
905 return;
906 mask |= RQFCR_PID_VID_MASK;
907 break;
908 /* 16bit */
909 case RQFCR_PID_DPT:
910 case RQFCR_PID_SPT:
911 case RQFCR_PID_ETY:
912 if (!~(mask | RQFCR_PID_PORT_MASK))
913 return;
914 if (!mask)
915 mask = ~0;
916 else
917 mask |= RQFCR_PID_PORT_MASK;
918 break;
919 /* 24bit */
920 case RQFCR_PID_DAH:
921 case RQFCR_PID_DAL:
922 case RQFCR_PID_SAH:
923 case RQFCR_PID_SAL:
924 if (!(value | mask))
925 return;
926 mask |= RQFCR_PID_MAC_MASK;
927 break;
928 /* for all real 32bit masks */
929 default:
930 if (!~mask)
931 return;
932 if (!mask)
933 mask = ~0;
934 break;
935 }
936 gfar_set_general_attribute(value, mask, flag, tab);
937}
938
939/* Translates value and mask for UDP, TCP or SCTP */
940static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
941 struct ethtool_tcpip4_spec *mask, struct filer_table *tab)
942{
943 gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
944 gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
945 gfar_set_attribute(value->pdst, mask->pdst, RQFCR_PID_DPT, tab);
946 gfar_set_attribute(value->psrc, mask->psrc, RQFCR_PID_SPT, tab);
947 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
948}
949
950/* Translates value and mask for RAW-IP4 */
951static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
952 struct ethtool_usrip4_spec *mask, struct filer_table *tab)
953{
954 gfar_set_attribute(value->ip4src, mask->ip4src, RQFCR_PID_SIA, tab);
955 gfar_set_attribute(value->ip4dst, mask->ip4dst, RQFCR_PID_DIA, tab);
956 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
957 gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
958 gfar_set_attribute(value->l4_4_bytes, mask->l4_4_bytes, RQFCR_PID_ARB,
959 tab);
960
961}
962
963/* Translates value and mask for ETHER spec */
964static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
965 struct filer_table *tab)
966{
967 u32 upper_temp_mask = 0;
968 u32 lower_temp_mask = 0;
969 /* Source address */
970 if (!is_broadcast_ether_addr(mask->h_source)) {
971
972 if (is_zero_ether_addr(mask->h_source)) {
973 upper_temp_mask = 0xFFFFFFFF;
974 lower_temp_mask = 0xFFFFFFFF;
975 } else {
976 upper_temp_mask = mask->h_source[0] << 16
977 | mask->h_source[1] << 8
978 | mask->h_source[2];
979 lower_temp_mask = mask->h_source[3] << 16
980 | mask->h_source[4] << 8
981 | mask->h_source[5];
982 }
983 /* Upper 24bit */
984 gfar_set_attribute(
985 value->h_source[0] << 16 | value->h_source[1]
986 << 8 | value->h_source[2],
987 upper_temp_mask, RQFCR_PID_SAH, tab);
988 /* And the same for the lower part */
989 gfar_set_attribute(
990 value->h_source[3] << 16 | value->h_source[4]
991 << 8 | value->h_source[5],
992 lower_temp_mask, RQFCR_PID_SAL, tab);
993 }
994 /* Destination address */
995 if (!is_broadcast_ether_addr(mask->h_dest)) {
996
997 /* Special for destination is limited broadcast */
998 if ((is_broadcast_ether_addr(value->h_dest)
999 && is_zero_ether_addr(mask->h_dest))) {
1000 gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
1001 } else {
1002
1003 if (is_zero_ether_addr(mask->h_dest)) {
1004 upper_temp_mask = 0xFFFFFFFF;
1005 lower_temp_mask = 0xFFFFFFFF;
1006 } else {
1007 upper_temp_mask = mask->h_dest[0] << 16
1008 | mask->h_dest[1] << 8
1009 | mask->h_dest[2];
1010 lower_temp_mask = mask->h_dest[3] << 16
1011 | mask->h_dest[4] << 8
1012 | mask->h_dest[5];
1013 }
1014
1015 /* Upper 24bit */
1016 gfar_set_attribute(
1017 value->h_dest[0] << 16
1018 | value->h_dest[1] << 8
1019 | value->h_dest[2],
1020 upper_temp_mask, RQFCR_PID_DAH, tab);
1021 /* And the same for the lower part */
1022 gfar_set_attribute(
1023 value->h_dest[3] << 16
1024 | value->h_dest[4] << 8
1025 | value->h_dest[5],
1026 lower_temp_mask, RQFCR_PID_DAL, tab);
1027 }
1028 }
1029
1030 gfar_set_attribute(value->h_proto, mask->h_proto, RQFCR_PID_ETY, tab);
1031
1032}
1033
1034/* Convert a rule to binary filter format of gianfar */
1035static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
1036 struct filer_table *tab)
1037{
1038 u32 vlan = 0, vlan_mask = 0;
1039 u32 id = 0, id_mask = 0;
1040 u32 cfi = 0, cfi_mask = 0;
1041 u32 prio = 0, prio_mask = 0;
1042
1043 u32 old_index = tab->index;
1044
1045 /* Check if vlan is wanted */
1046 if ((rule->flow_type & FLOW_EXT) && (rule->m_ext.vlan_tci != 0xFFFF)) {
1047 if (!rule->m_ext.vlan_tci)
1048 rule->m_ext.vlan_tci = 0xFFFF;
1049
1050 vlan = RQFPR_VLN;
1051 vlan_mask = RQFPR_VLN;
1052
1053 /* Separate the fields */
1054 id = rule->h_ext.vlan_tci & 0xFFF;
1055 id_mask = rule->m_ext.vlan_tci & 0xFFF;
1056 cfi = (rule->h_ext.vlan_tci >> 12) & 1;
1057 cfi_mask = (rule->m_ext.vlan_tci >> 12) & 1;
1058 prio = (rule->h_ext.vlan_tci >> 13) & 0x7;
1059 prio_mask = (rule->m_ext.vlan_tci >> 13) & 0x7;
1060
1061 if (cfi == 1 && cfi_mask == 1) {
1062 vlan |= RQFPR_CFI;
1063 vlan_mask |= RQFPR_CFI;
1064 } else if (cfi == 0 && cfi_mask == 1) {
1065 vlan_mask |= RQFPR_CFI;
1066 }
1067 }
1068
1069 switch (rule->flow_type & ~FLOW_EXT) {
1070 case TCP_V4_FLOW:
1071 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
1072 RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
1073 gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
1074 &rule->m_u.tcp_ip4_spec, tab);
1075 break;
1076 case UDP_V4_FLOW:
1077 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
1078 RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
1079 gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
1080 &rule->m_u.udp_ip4_spec, tab);
1081 break;
1082 case SCTP_V4_FLOW:
1083 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1084 tab);
1085 gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
1086 gfar_set_basic_ip((struct ethtool_tcpip4_spec *) &rule->h_u,
1087 (struct ethtool_tcpip4_spec *) &rule->m_u, tab);
1088 break;
1089 case IP_USER_FLOW:
1090 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1091 tab);
1092 gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
1093 (struct ethtool_usrip4_spec *) &rule->m_u, tab);
1094 break;
1095 case ETHER_FLOW:
1096 if (vlan)
1097 gfar_set_parse_bits(vlan, vlan_mask, tab);
1098 gfar_set_ether((struct ethhdr *) &rule->h_u,
1099 (struct ethhdr *) &rule->m_u, tab);
1100 break;
1101 default:
1102 return -1;
1103 }
1104
1105 /* Set the vlan attributes in the end */
1106 if (vlan) {
1107 gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab);
1108 gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab);
1109 }
1110
1111 /* If there has been nothing written till now, it must be a default */
1112 if (tab->index == old_index) {
1113 gfar_set_mask(0xFFFFFFFF, tab);
1114 tab->fe[tab->index].ctrl = 0x20;
1115 tab->fe[tab->index].prop = 0x0;
1116 tab->index++;
1117 }
1118
1119 /* Remove last AND */
1120 tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND);
1121
1122 /* Specify which queue to use or to drop */
1123 if (rule->ring_cookie == RX_CLS_FLOW_DISC)
1124 tab->fe[tab->index - 1].ctrl |= RQFCR_RJE;
1125 else
1126 tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10);
1127
1128 /* Only big enough entries can be clustered */
1129 if (tab->index > (old_index + 2)) {
1130 tab->fe[old_index + 1].ctrl |= RQFCR_CLE;
1131 tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
1132 }
1133
1134 /* In rare cases the cache can be full while there is free space in hw */
1135 if (tab->index > MAX_FILER_CACHE_IDX - 1)
1136 return -EBUSY;
1137
1138 return 0;
1139}
1140
1141/* Copy size filer entries */
1142static void gfar_copy_filer_entries(struct gfar_filer_entry dst[0],
1143 struct gfar_filer_entry src[0], s32 size)
1144{
1145 while (size > 0) {
1146 size--;
1147 dst[size].ctrl = src[size].ctrl;
1148 dst[size].prop = src[size].prop;
1149 }
1150}
1151
1152/* Delete the contents of the filer-table between start and end
1153 * and collapse them */
1154static int gfar_trim_filer_entries(u32 begin, u32 end, struct filer_table *tab)
1155{
1156 int length;
1157 if (end > MAX_FILER_CACHE_IDX || end < begin)
1158 return -EINVAL;
1159
1160 end++;
1161 length = end - begin;
1162
1163 /* Copy */
1164 while (end < tab->index) {
1165 tab->fe[begin].ctrl = tab->fe[end].ctrl;
1166 tab->fe[begin++].prop = tab->fe[end++].prop;
1167
1168 }
1169 /* Fill up with don't cares */
1170 while (begin < tab->index) {
1171 tab->fe[begin].ctrl = 0x60;
1172 tab->fe[begin].prop = 0xFFFFFFFF;
1173 begin++;
1174 }
1175
1176 tab->index -= length;
1177 return 0;
1178}
1179
1180/* Make space on the wanted location */
1181static int gfar_expand_filer_entries(u32 begin, u32 length,
1182 struct filer_table *tab)
1183{
1184 if (length == 0 || length + tab->index > MAX_FILER_CACHE_IDX || begin
1185 > MAX_FILER_CACHE_IDX)
1186 return -EINVAL;
1187
1188 gfar_copy_filer_entries(&(tab->fe[begin + length]), &(tab->fe[begin]),
1189 tab->index - length + 1);
1190
1191 tab->index += length;
1192 return 0;
1193}
1194
1195static int gfar_get_next_cluster_start(int start, struct filer_table *tab)
1196{
1197 for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
1198 if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
1199 == (RQFCR_AND | RQFCR_CLE))
1200 return start;
1201 }
1202 return -1;
1203}
1204
1205static int gfar_get_next_cluster_end(int start, struct filer_table *tab)
1206{
1207 for (; (start < tab->index) && (start < MAX_FILER_CACHE_IDX - 1); start++) {
1208 if ((tab->fe[start].ctrl & (RQFCR_AND | RQFCR_CLE))
1209 == (RQFCR_CLE))
1210 return start;
1211 }
1212 return -1;
1213}
1214
1215/*
1216 * Uses hardwares clustering option to reduce
1217 * the number of filer table entries
1218 */
1219static void gfar_cluster_filer(struct filer_table *tab)
1220{
1221 s32 i = -1, j, iend, jend;
1222
1223 while ((i = gfar_get_next_cluster_start(++i, tab)) != -1) {
1224 j = i;
1225 while ((j = gfar_get_next_cluster_start(++j, tab)) != -1) {
1226 /*
1227 * The cluster entries self and the previous one
1228 * (a mask) must be identical!
1229 */
1230 if (tab->fe[i].ctrl != tab->fe[j].ctrl)
1231 break;
1232 if (tab->fe[i].prop != tab->fe[j].prop)
1233 break;
1234 if (tab->fe[i - 1].ctrl != tab->fe[j - 1].ctrl)
1235 break;
1236 if (tab->fe[i - 1].prop != tab->fe[j - 1].prop)
1237 break;
1238 iend = gfar_get_next_cluster_end(i, tab);
1239 jend = gfar_get_next_cluster_end(j, tab);
1240 if (jend == -1 || iend == -1)
1241 break;
1242 /*
1243 * First we make some free space, where our cluster
1244 * element should be. Then we copy it there and finally
1245 * delete in from its old location.
1246 */
1247
1248 if (gfar_expand_filer_entries(iend, (jend - j), tab)
1249 == -EINVAL)
1250 break;
1251
1252 gfar_copy_filer_entries(&(tab->fe[iend + 1]),
1253 &(tab->fe[jend + 1]), jend - j);
1254
1255 if (gfar_trim_filer_entries(jend - 1,
1256 jend + (jend - j), tab) == -EINVAL)
1257 return;
1258
1259 /* Mask out cluster bit */
1260 tab->fe[iend].ctrl &= ~(RQFCR_CLE);
1261 }
1262 }
1263}
1264
1265/* Swaps the 0xFF80 masked bits of a1<>a2 and b1<>b2 */
1266static void gfar_swap_ff80_bits(struct gfar_filer_entry *a1,
1267 struct gfar_filer_entry *a2, struct gfar_filer_entry *b1,
1268 struct gfar_filer_entry *b2)
1269{
1270 u32 temp[4];
1271 temp[0] = a1->ctrl & 0xFF80;
1272 temp[1] = a2->ctrl & 0xFF80;
1273 temp[2] = b1->ctrl & 0xFF80;
1274 temp[3] = b2->ctrl & 0xFF80;
1275
1276 a1->ctrl &= ~0xFF80;
1277 a2->ctrl &= ~0xFF80;
1278 b1->ctrl &= ~0xFF80;
1279 b2->ctrl &= ~0xFF80;
1280
1281 a1->ctrl |= temp[1];
1282 a2->ctrl |= temp[0];
1283 b1->ctrl |= temp[3];
1284 b2->ctrl |= temp[2];
1285}
1286
1287/*
1288 * Generate a list consisting of masks values with their start and
1289 * end of validity and block as indicator for parts belonging
1290 * together (glued by ANDs) in mask_table
1291 */
1292static u32 gfar_generate_mask_table(struct gfar_mask_entry *mask_table,
1293 struct filer_table *tab)
1294{
1295 u32 i, and_index = 0, block_index = 1;
1296
1297 for (i = 0; i < tab->index; i++) {
1298
1299 /* LSByte of control = 0 sets a mask */
1300 if (!(tab->fe[i].ctrl & 0xF)) {
1301 mask_table[and_index].mask = tab->fe[i].prop;
1302 mask_table[and_index].start = i;
1303 mask_table[and_index].block = block_index;
1304 if (and_index >= 1)
1305 mask_table[and_index - 1].end = i - 1;
1306 and_index++;
1307 }
1308 /* cluster starts will be separated because they should
1309 * hold their position */
1310 if (tab->fe[i].ctrl & RQFCR_CLE)
1311 block_index++;
1312 /* A not set AND indicates the end of a depended block */
1313 if (!(tab->fe[i].ctrl & RQFCR_AND))
1314 block_index++;
1315
1316 }
1317
1318 mask_table[and_index - 1].end = i - 1;
1319
1320 return and_index;
1321}
1322
1323/*
1324 * Sorts the entries of mask_table by the values of the masks.
1325 * Important: The 0xFF80 flags of the first and last entry of a
1326 * block must hold their position (which queue, CLusterEnable, ReJEct,
1327 * AND)
1328 */
1329static void gfar_sort_mask_table(struct gfar_mask_entry *mask_table,
1330 struct filer_table *temp_table, u32 and_index)
1331{
1332 /* Pointer to compare function (_asc or _desc) */
1333 int (*gfar_comp)(const void *, const void *);
1334
1335 u32 i, size = 0, start = 0, prev = 1;
1336 u32 old_first, old_last, new_first, new_last;
1337
1338 gfar_comp = &gfar_comp_desc;
1339
1340 for (i = 0; i < and_index; i++) {
1341
1342 if (prev != mask_table[i].block) {
1343 old_first = mask_table[start].start + 1;
1344 old_last = mask_table[i - 1].end;
1345 sort(mask_table + start, size,
1346 sizeof(struct gfar_mask_entry),
1347 gfar_comp, &gfar_swap);
1348
1349 /* Toggle order for every block. This makes the
1350 * thing more efficient! */
1351 if (gfar_comp == gfar_comp_desc)
1352 gfar_comp = &gfar_comp_asc;
1353 else
1354 gfar_comp = &gfar_comp_desc;
1355
1356 new_first = mask_table[start].start + 1;
1357 new_last = mask_table[i - 1].end;
1358
1359 gfar_swap_ff80_bits(&temp_table->fe[new_first],
1360 &temp_table->fe[old_first],
1361 &temp_table->fe[new_last],
1362 &temp_table->fe[old_last]);
1363
1364 start = i;
1365 size = 0;
1366 }
1367 size++;
1368 prev = mask_table[i].block;
1369 }
1370
1371}
1372
1373/*
1374 * Reduces the number of masks needed in the filer table to save entries
1375 * This is done by sorting the masks of a depended block. A depended block is
1376 * identified by gluing ANDs or CLE. The sorting order toggles after every
1377 * block. Of course entries in scope of a mask must change their location with
1378 * it.
1379 */
1380static int gfar_optimize_filer_masks(struct filer_table *tab)
1381{
1382 struct filer_table *temp_table;
1383 struct gfar_mask_entry *mask_table;
1384
1385 u32 and_index = 0, previous_mask = 0, i = 0, j = 0, size = 0;
1386 s32 ret = 0;
1387
1388 /* We need a copy of the filer table because
1389 * we want to change its order */
1390 temp_table = kmalloc(sizeof(*temp_table), GFP_KERNEL);
1391 if (temp_table == NULL)
1392 return -ENOMEM;
1393 memcpy(temp_table, tab, sizeof(*temp_table));
1394
1395 mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1,
1396 sizeof(struct gfar_mask_entry), GFP_KERNEL);
1397
1398 if (mask_table == NULL) {
1399 ret = -ENOMEM;
1400 goto end;
1401 }
1402
1403 and_index = gfar_generate_mask_table(mask_table, tab);
1404
1405 gfar_sort_mask_table(mask_table, temp_table, and_index);
1406
1407 /* Now we can copy the data from our duplicated filer table to
1408 * the real one in the order the mask table says */
1409 for (i = 0; i < and_index; i++) {
1410 size = mask_table[i].end - mask_table[i].start + 1;
1411 gfar_copy_filer_entries(&(tab->fe[j]),
1412 &(temp_table->fe[mask_table[i].start]), size);
1413 j += size;
1414 }
1415
1416 /* And finally we just have to check for duplicated masks and drop the
1417 * second ones */
1418 for (i = 0; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
1419 if (tab->fe[i].ctrl == 0x80) {
1420 previous_mask = i++;
1421 break;
1422 }
1423 }
1424 for (; i < tab->index && i < MAX_FILER_CACHE_IDX; i++) {
1425 if (tab->fe[i].ctrl == 0x80) {
1426 if (tab->fe[i].prop == tab->fe[previous_mask].prop) {
1427 /* Two identical ones found!
1428 * So drop the second one! */
1429 gfar_trim_filer_entries(i, i, tab);
1430 } else
1431 /* Not identical! */
1432 previous_mask = i;
1433 }
1434 }
1435
1436 kfree(mask_table);
1437end: kfree(temp_table);
1438 return ret;
1439}
1440
1441/* Write the bit-pattern from software's buffer to hardware registers */
1442static int gfar_write_filer_table(struct gfar_private *priv,
1443 struct filer_table *tab)
1444{
1445 u32 i = 0;
1446 if (tab->index > MAX_FILER_IDX - 1)
1447 return -EBUSY;
1448
1449 /* Avoid inconsistent filer table to be processed */
1450 lock_rx_qs(priv);
1451
1452 /* Fill regular entries */
1453 for (; i < MAX_FILER_IDX - 1 && (tab->fe[i].ctrl | tab->fe[i].ctrl); i++)
1454 gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
1455 /* Fill the rest with fall-troughs */
1456 for (; i < MAX_FILER_IDX - 1; i++)
1457 gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
1458 /* Last entry must be default accept
1459 * because that's what people expect */
1460 gfar_write_filer(priv, i, 0x20, 0x0);
1461
1462 unlock_rx_qs(priv);
1463
1464 return 0;
1465}
1466
1467static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
1468 struct gfar_private *priv)
1469{
1470
1471 if (flow->flow_type & FLOW_EXT) {
1472 if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
1473 netdev_warn(priv->ndev,
1474 "User-specific data not supported!\n");
1475 if (~flow->m_ext.vlan_etype)
1476 netdev_warn(priv->ndev,
1477 "VLAN-etype not supported!\n");
1478 }
1479 if (flow->flow_type == IP_USER_FLOW)
1480 if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
1481 netdev_warn(priv->ndev,
1482 "IP-Version differing from IPv4 not supported!\n");
1483
1484 return 0;
1485}
1486
1487static int gfar_process_filer_changes(struct gfar_private *priv)
1488{
1489 struct ethtool_flow_spec_container *j;
1490 struct filer_table *tab;
1491 s32 i = 0;
1492 s32 ret = 0;
1493
1494 /* So index is set to zero, too! */
1495 tab = kzalloc(sizeof(*tab), GFP_KERNEL);
1496 if (tab == NULL)
1497 return -ENOMEM;
1498
1499 /* Now convert the existing filer data from flow_spec into
1500 * filer tables binary format */
1501 list_for_each_entry(j, &priv->rx_list.list, list) {
1502 ret = gfar_convert_to_filer(&j->fs, tab);
1503 if (ret == -EBUSY) {
1504 netdev_err(priv->ndev, "Rule not added: No free space!\n");
1505 goto end;
1506 }
1507 if (ret == -1) {
1508 netdev_err(priv->ndev, "Rule not added: Unsupported Flow-type!\n");
1509 goto end;
1510 }
1511 }
1512
1513 i = tab->index;
1514
1515 /* Optimizations to save entries */
1516 gfar_cluster_filer(tab);
1517 gfar_optimize_filer_masks(tab);
1518
1519 pr_debug("\n\tSummary:\n"
1520 "\tData on hardware: %d\n"
1521 "\tCompression rate: %d%%\n",
1522 tab->index, 100 - (100 * tab->index) / i);
1523
1524 /* Write everything to hardware */
1525 ret = gfar_write_filer_table(priv, tab);
1526 if (ret == -EBUSY) {
1527 netdev_err(priv->ndev, "Rule not added: No free space!\n");
1528 goto end;
1529 }
1530
1531end: kfree(tab);
1532 return ret;
1533}
1534
1535static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
1536{
1537 u32 i = 0;
1538
1539 for (i = 0; i < sizeof(flow->m_u); i++)
1540 flow->m_u.hdata[i] ^= 0xFF;
1541
1542 flow->m_ext.vlan_etype ^= 0xFFFF;
1543 flow->m_ext.vlan_tci ^= 0xFFFF;
1544 flow->m_ext.data[0] ^= ~0;
1545 flow->m_ext.data[1] ^= ~0;
1546}
1547
1548static int gfar_add_cls(struct gfar_private *priv,
1549 struct ethtool_rx_flow_spec *flow)
1550{
1551 struct ethtool_flow_spec_container *temp, *comp;
1552 int ret = 0;
1553
1554 temp = kmalloc(sizeof(*temp), GFP_KERNEL);
1555 if (temp == NULL)
1556 return -ENOMEM;
1557 memcpy(&temp->fs, flow, sizeof(temp->fs));
1558
1559 gfar_invert_masks(&temp->fs);
1560 ret = gfar_check_capability(&temp->fs, priv);
1561 if (ret)
1562 goto clean_mem;
1563 /* Link in the new element at the right @location */
1564 if (list_empty(&priv->rx_list.list)) {
1565 ret = gfar_check_filer_hardware(priv);
1566 if (ret != 0)
1567 goto clean_mem;
1568 list_add(&temp->list, &priv->rx_list.list);
1569 goto process;
1570 } else {
1571
1572 list_for_each_entry(comp, &priv->rx_list.list, list) {
1573 if (comp->fs.location > flow->location) {
1574 list_add_tail(&temp->list, &comp->list);
1575 goto process;
1576 }
1577 if (comp->fs.location == flow->location) {
1578 netdev_err(priv->ndev,
1579 "Rule not added: ID %d not free!\n",
1580 flow->location);
1581 ret = -EBUSY;
1582 goto clean_mem;
1583 }
1584 }
1585 list_add_tail(&temp->list, &priv->rx_list.list);
1586 }
1587
1588process:
1589 ret = gfar_process_filer_changes(priv);
1590 if (ret)
1591 goto clean_list;
1592 priv->rx_list.count++;
1593 return ret;
1594
1595clean_list:
1596 list_del(&temp->list);
1597clean_mem:
1598 kfree(temp);
1599 return ret;
1600}
1601
1602static int gfar_del_cls(struct gfar_private *priv, u32 loc)
1603{
1604 struct ethtool_flow_spec_container *comp;
1605 u32 ret = -EINVAL;
1606
1607 if (list_empty(&priv->rx_list.list))
1608 return ret;
1609
1610 list_for_each_entry(comp, &priv->rx_list.list, list) {
1611 if (comp->fs.location == loc) {
1612 list_del(&comp->list);
1613 kfree(comp);
1614 priv->rx_list.count--;
1615 gfar_process_filer_changes(priv);
1616 ret = 0;
1617 break;
1618 }
1619 }
1620
1621 return ret;
1622
1623}
1624
1625static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
1626{
1627 struct ethtool_flow_spec_container *comp;
1628 u32 ret = -EINVAL;
1629
1630 list_for_each_entry(comp, &priv->rx_list.list, list) {
1631 if (comp->fs.location == cmd->fs.location) {
1632 memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs));
1633 gfar_invert_masks(&cmd->fs);
1634 ret = 0;
1635 break;
1636 }
1637 }
1638
1639 return ret;
1640}
1641
1642static int gfar_get_cls_all(struct gfar_private *priv,
1643 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1644{
1645 struct ethtool_flow_spec_container *comp;
1646 u32 i = 0;
1647
1648 list_for_each_entry(comp, &priv->rx_list.list, list) {
1649 if (i <= cmd->rule_cnt) {
1650 rule_locs[i] = comp->fs.location;
1651 i++;
1652 }
1653 }
1654
1655 cmd->data = MAX_FILER_IDX;
1656
1657 return 0;
1658}
1659
7a8b3372
SG		 1660static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1661{
1662 struct gfar_private *priv = netdev_priv(dev);
1663 int ret = 0;
1664
4aa3a715
SP		 1665 mutex_lock(&priv->rx_queue_access);
1666
1667 switch (cmd->cmd) {
7a8b3372
SG		 1668 case ETHTOOL_SRXFH:
1669 ret = gfar_set_hash_opts(priv, cmd);
1670 break;
4aa3a715
SP		 1671 case ETHTOOL_SRXCLSRLINS:
1672 if (cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
1673 cmd->fs.ring_cookie >= priv->num_rx_queues) {
1674 ret = -EINVAL;
1675 break;
1676 }
1677 ret = gfar_add_cls(priv, &cmd->fs);
1678 break;
1679 case ETHTOOL_SRXCLSRLDEL:
1680 ret = gfar_del_cls(priv, cmd->fs.location);
1681 break;
7a8b3372
SG		 1682 default:
1683 ret = -EINVAL;
1684 }
1685
4aa3a715
SP		 1686 mutex_unlock(&priv->rx_queue_access);
1687
1688 return ret;
1689}
1690
1691static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1692 void *rule_locs)
1693{
1694 struct gfar_private *priv = netdev_priv(dev);
1695 int ret = 0;
1696
1697 switch (cmd->cmd) {
1698 case ETHTOOL_GRXRINGS:
1699 cmd->data = priv->num_rx_queues;
1700 break;
1701 case ETHTOOL_GRXCLSRLCNT:
1702 cmd->rule_cnt = priv->rx_list.count;
1703 break;
1704 case ETHTOOL_GRXCLSRULE:
1705 ret = gfar_get_cls(priv, cmd);
1706 break;
1707 case ETHTOOL_GRXCLSRLALL:
1708 ret = gfar_get_cls_all(priv, cmd, (u32 *) rule_locs);
1709 break;
1710 default:
1711 ret = -EINVAL;
1712 break;
1713 }
1714
7a8b3372
SG		 1715 return ret;
1716}
1717
7282d491 1718const struct ethtool_ops gfar_ethtool_ops = {
1da177e4 1719 .get_settings = gfar_gsettings,
bb40dcbb 1720 .set_settings = gfar_ssettings,
1da177e4
LT		 1721 .get_drvinfo = gfar_gdrvinfo,
1722 .get_regs_len = gfar_reglen,
1723 .get_regs = gfar_get_regs,
1724 .get_link = ethtool_op_get_link,
1725 .get_coalesce = gfar_gcoalesce,
1726 .set_coalesce = gfar_scoalesce,
1727 .get_ringparam = gfar_gringparam,
1728 .set_ringparam = gfar_sringparam,
1729 .get_strings = gfar_gstrings,
b9f2c044 1730 .get_sset_count = gfar_sset_count,
1da177e4 1731 .get_ethtool_stats = gfar_fill_stats,
0bbaf069
KG		 1732 .get_msglevel = gfar_get_msglevel,
1733 .set_msglevel = gfar_set_msglevel,
d87eb127
SW		 1734#ifdef CONFIG_PM
1735 .get_wol = gfar_get_wol,
1736 .set_wol = gfar_set_wol,
1737#endif
7a8b3372 1738 .set_rxnfc = gfar_set_nfc,
4aa3a715 1739 .get_rxnfc = gfar_get_nfc,
1da177e4 1740};
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