1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
17
18#include <linux/kernel.h>
19#include <linux/string.h>
20#include <linux/errno.h>
21#include <linux/interrupt.h>
22#include <linux/delay.h>
23#include <linux/netdevice.h>
24#include <linux/etherdevice.h>
25#include <linux/net_tstamp.h>
26#include <linux/skbuff.h>
27#include <linux/spinlock.h>
28#include <linux/mm.h>
29
30#include <asm/io.h>
31#include <asm/irq.h>
32#include <linux/uaccess.h>
33#include <linux/module.h>
34#include <linux/crc32.h>
35#include <asm/types.h>
36#include <linux/ethtool.h>
37#include <linux/mii.h>
38#include <linux/phy.h>
39#include <linux/sort.h>
40#include <linux/if_vlan.h>
41#include <linux/of_platform.h>
42#include <linux/fsl/ptp_qoriq.h>
43
44#include "gianfar.h"
45
46#define GFAR_MAX_COAL_USECS 0xffff
47#define GFAR_MAX_COAL_FRAMES 0xff
48
49static const char stat_gstrings[][ETH_GSTRING_LEN] = {
50
51 "rx-allocation-errors",
52 "rx-large-frame-errors",
53 "rx-short-frame-errors",
54 "rx-non-octet-errors",
55 "rx-crc-errors",
56 "rx-overrun-errors",
57 "rx-busy-errors",
58 "rx-babbling-errors",
59 "rx-truncated-frames",
60 "ethernet-bus-error",
61 "tx-babbling-errors",
62 "tx-underrun-errors",
63 "tx-timeout-errors",
64
65 "tx-rx-64-frames",
66 "tx-rx-65-127-frames",
67 "tx-rx-128-255-frames",
68 "tx-rx-256-511-frames",
69 "tx-rx-512-1023-frames",
70 "tx-rx-1024-1518-frames",
71 "tx-rx-1519-1522-good-vlan",
72 "rx-bytes",
73 "rx-packets",
74 "rx-fcs-errors",
75 "receive-multicast-packet",
76 "receive-broadcast-packet",
77 "rx-control-frame-packets",
78 "rx-pause-frame-packets",
79 "rx-unknown-op-code",
80 "rx-alignment-error",
81 "rx-frame-length-error",
82 "rx-code-error",
83 "rx-carrier-sense-error",
84 "rx-undersize-packets",
85 "rx-oversize-packets",
86 "rx-fragmented-frames",
87 "rx-jabber-frames",
88 "rx-dropped-frames",
89 "tx-byte-counter",
90 "tx-packets",
91 "tx-multicast-packets",
92 "tx-broadcast-packets",
93 "tx-pause-control-frames",
94 "tx-deferral-packets",
95 "tx-excessive-deferral-packets",
96 "tx-single-collision-packets",
97 "tx-multiple-collision-packets",
98 "tx-late-collision-packets",
99 "tx-excessive-collision-packets",
100 "tx-total-collision",
101 "reserved",
102 "tx-dropped-frames",
103 "tx-jabber-frames",
104 "tx-fcs-errors",
105 "tx-control-frames",
106 "tx-oversize-frames",
107 "tx-undersize-frames",
108 "tx-fragmented-frames",
109};
110
111
112
113static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
114{
115 struct gfar_private *priv = netdev_priv(dev);
116
117 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
118 memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
119 else
120 memcpy(buf, stat_gstrings,
121 GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
122}
123
124
125
126
127
128static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
129 u64 *buf)
130{
131 int i;
132 struct gfar_private *priv = netdev_priv(dev);
133 struct gfar __iomem *regs = priv->gfargrp[0].regs;
134 atomic64_t *extra = (atomic64_t *)&priv->extra_stats;
135
136 for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
137 buf[i] = atomic64_read(&extra[i]);
138
139 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
140 u32 __iomem *rmon = (u32 __iomem *) ®s->rmon;
141
142 for (; i < GFAR_STATS_LEN; i++, rmon++)
143 buf[i] = (u64) gfar_read(rmon);
144 }
145}
146
147static int gfar_sset_count(struct net_device *dev, int sset)
148{
149 struct gfar_private *priv = netdev_priv(dev);
150
151 switch (sset) {
152 case ETH_SS_STATS:
153 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
154 return GFAR_STATS_LEN;
155 else
156 return GFAR_EXTRA_STATS_LEN;
157 default:
158 return -EOPNOTSUPP;
159 }
160}
161
162
163static void gfar_gdrvinfo(struct net_device *dev,
164 struct ethtool_drvinfo *drvinfo)
165{
166 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
167}
168
169
170static int gfar_reglen(struct net_device *dev)
171{
172 return sizeof (struct gfar);
173}
174
175
176static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs,
177 void *regbuf)
178{
179 int i;
180 struct gfar_private *priv = netdev_priv(dev);
181 u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
182 u32 *buf = (u32 *) regbuf;
183
184 for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
185 buf[i] = gfar_read(&theregs[i]);
186}
187
188
189
190static unsigned int gfar_usecs2ticks(struct gfar_private *priv,
191 unsigned int usecs)
192{
193 struct net_device *ndev = priv->ndev;
194 struct phy_device *phydev = ndev->phydev;
195 unsigned int count;
196
197
198 switch (phydev->speed) {
199 case SPEED_1000:
200 count = GFAR_GBIT_TIME;
201 break;
202 case SPEED_100:
203 count = GFAR_100_TIME;
204 break;
205 case SPEED_10:
206 default:
207 count = GFAR_10_TIME;
208 break;
209 }
210
211
212
213 return DIV_ROUND_UP(usecs * 1000, count);
214}
215
216
217static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
218 unsigned int ticks)
219{
220 struct net_device *ndev = priv->ndev;
221 struct phy_device *phydev = ndev->phydev;
222 unsigned int count;
223
224
225 switch (phydev->speed) {
226 case SPEED_1000:
227 count = GFAR_GBIT_TIME;
228 break;
229 case SPEED_100:
230 count = GFAR_100_TIME;
231 break;
232 case SPEED_10:
233 default:
234 count = GFAR_10_TIME;
235 break;
236 }
237
238
239
240 return (ticks * count) / 1000;
241}
242
243
244
245static int gfar_gcoalesce(struct net_device *dev,
246 struct ethtool_coalesce *cvals,
247 struct kernel_ethtool_coalesce *kernel_coal,
248 struct netlink_ext_ack *extack)
249{
250 struct gfar_private *priv = netdev_priv(dev);
251 struct gfar_priv_rx_q *rx_queue = NULL;
252 struct gfar_priv_tx_q *tx_queue = NULL;
253 unsigned long rxtime;
254 unsigned long rxcount;
255 unsigned long txtime;
256 unsigned long txcount;
257
258 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
259 return -EOPNOTSUPP;
260
261 if (!dev->phydev)
262 return -ENODEV;
263
264 rx_queue = priv->rx_queue[0];
265 tx_queue = priv->tx_queue[0];
266
267 rxtime = get_ictt_value(rx_queue->rxic);
268 rxcount = get_icft_value(rx_queue->rxic);
269 txtime = get_ictt_value(tx_queue->txic);
270 txcount = get_icft_value(tx_queue->txic);
271 cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
272 cvals->rx_max_coalesced_frames = rxcount;
273
274 cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
275 cvals->tx_max_coalesced_frames = txcount;
276
277 return 0;
278}
279
280
281
282
283
284static int gfar_scoalesce(struct net_device *dev,
285 struct ethtool_coalesce *cvals,
286 struct kernel_ethtool_coalesce *kernel_coal,
287 struct netlink_ext_ack *extack)
288{
289 struct gfar_private *priv = netdev_priv(dev);
290 int i, err = 0;
291
292 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
293 return -EOPNOTSUPP;
294
295 if (!dev->phydev)
296 return -ENODEV;
297
298
299 if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
300 netdev_info(dev, "Coalescing is limited to %d microseconds\n",
301 GFAR_MAX_COAL_USECS);
302 return -EINVAL;
303 }
304
305 if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
306 netdev_info(dev, "Coalescing is limited to %d frames\n",
307 GFAR_MAX_COAL_FRAMES);
308 return -EINVAL;
309 }
310
311
312 if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
313 netdev_info(dev, "Coalescing is limited to %d microseconds\n",
314 GFAR_MAX_COAL_USECS);
315 return -EINVAL;
316 }
317
318 if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
319 netdev_info(dev, "Coalescing is limited to %d frames\n",
320 GFAR_MAX_COAL_FRAMES);
321 return -EINVAL;
322 }
323
324 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
325 cpu_relax();
326
327
328 if ((cvals->rx_coalesce_usecs == 0) ||
329 (cvals->rx_max_coalesced_frames == 0)) {
330 for (i = 0; i < priv->num_rx_queues; i++)
331 priv->rx_queue[i]->rxcoalescing = 0;
332 } else {
333 for (i = 0; i < priv->num_rx_queues; i++)
334 priv->rx_queue[i]->rxcoalescing = 1;
335 }
336
337 for (i = 0; i < priv->num_rx_queues; i++) {
338 priv->rx_queue[i]->rxic = mk_ic_value(
339 cvals->rx_max_coalesced_frames,
340 gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
341 }
342
343
344 if ((cvals->tx_coalesce_usecs == 0) ||
345 (cvals->tx_max_coalesced_frames == 0)) {
346 for (i = 0; i < priv->num_tx_queues; i++)
347 priv->tx_queue[i]->txcoalescing = 0;
348 } else {
349 for (i = 0; i < priv->num_tx_queues; i++)
350 priv->tx_queue[i]->txcoalescing = 1;
351 }
352
353 for (i = 0; i < priv->num_tx_queues; i++) {
354 priv->tx_queue[i]->txic = mk_ic_value(
355 cvals->tx_max_coalesced_frames,
356 gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
357 }
358
359 if (dev->flags & IFF_UP) {
360 stop_gfar(dev);
361 err = startup_gfar(dev);
362 } else {
363 gfar_mac_reset(priv);
364 }
365
366 clear_bit_unlock(GFAR_RESETTING, &priv->state);
367
368 return err;
369}
370
371
372
373
374static void gfar_gringparam(struct net_device *dev,
375 struct ethtool_ringparam *rvals)
376{
377 struct gfar_private *priv = netdev_priv(dev);
378 struct gfar_priv_tx_q *tx_queue = NULL;
379 struct gfar_priv_rx_q *rx_queue = NULL;
380
381 tx_queue = priv->tx_queue[0];
382 rx_queue = priv->rx_queue[0];
383
384 rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
385 rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
386 rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
387 rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
388
389
390
391
392 rvals->rx_pending = rx_queue->rx_ring_size;
393 rvals->rx_mini_pending = rx_queue->rx_ring_size;
394 rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
395 rvals->tx_pending = tx_queue->tx_ring_size;
396}
397
398
399
400
401static int gfar_sringparam(struct net_device *dev,
402 struct ethtool_ringparam *rvals)
403{
404 struct gfar_private *priv = netdev_priv(dev);
405 int err = 0, i;
406
407 if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
408 return -EINVAL;
409
410 if (!is_power_of_2(rvals->rx_pending)) {
411 netdev_err(dev, "Ring sizes must be a power of 2\n");
412 return -EINVAL;
413 }
414
415 if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
416 return -EINVAL;
417
418 if (!is_power_of_2(rvals->tx_pending)) {
419 netdev_err(dev, "Ring sizes must be a power of 2\n");
420 return -EINVAL;
421 }
422
423 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
424 cpu_relax();
425
426 if (dev->flags & IFF_UP)
427 stop_gfar(dev);
428
429
430 for (i = 0; i < priv->num_rx_queues; i++)
431 priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
432
433 for (i = 0; i < priv->num_tx_queues; i++)
434 priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
435
436
437 if (dev->flags & IFF_UP)
438 err = startup_gfar(dev);
439
440 clear_bit_unlock(GFAR_RESETTING, &priv->state);
441
442 return err;
443}
444
445static void gfar_gpauseparam(struct net_device *dev,
446 struct ethtool_pauseparam *epause)
447{
448 struct gfar_private *priv = netdev_priv(dev);
449
450 epause->autoneg = !!priv->pause_aneg_en;
451 epause->rx_pause = !!priv->rx_pause_en;
452 epause->tx_pause = !!priv->tx_pause_en;
453}
454
455static int gfar_spauseparam(struct net_device *dev,
456 struct ethtool_pauseparam *epause)
457{
458 struct gfar_private *priv = netdev_priv(dev);
459 struct phy_device *phydev = dev->phydev;
460 struct gfar __iomem *regs = priv->gfargrp[0].regs;
461
462 if (!phydev)
463 return -ENODEV;
464
465 if (!phy_validate_pause(phydev, epause))
466 return -EINVAL;
467
468 priv->rx_pause_en = priv->tx_pause_en = 0;
469 phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
470 if (epause->rx_pause) {
471 priv->rx_pause_en = 1;
472
473 if (epause->tx_pause) {
474 priv->tx_pause_en = 1;
475 }
476 } else if (epause->tx_pause) {
477 priv->tx_pause_en = 1;
478 }
479
480 if (epause->autoneg)
481 priv->pause_aneg_en = 1;
482 else
483 priv->pause_aneg_en = 0;
484
485 if (!epause->autoneg) {
486 u32 tempval = gfar_read(®s->maccfg1);
487
488 tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
489
490 priv->tx_actual_en = 0;
491 if (priv->tx_pause_en) {
492 priv->tx_actual_en = 1;
493 tempval |= MACCFG1_TX_FLOW;
494 }
495
496 if (priv->rx_pause_en)
497 tempval |= MACCFG1_RX_FLOW;
498 gfar_write(®s->maccfg1, tempval);
499 }
500
501 return 0;
502}
503
504int gfar_set_features(struct net_device *dev, netdev_features_t features)
505{
506 netdev_features_t changed = dev->features ^ features;
507 struct gfar_private *priv = netdev_priv(dev);
508 int err = 0;
509
510 if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
511 NETIF_F_RXCSUM)))
512 return 0;
513
514 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
515 cpu_relax();
516
517 dev->features = features;
518
519 if (dev->flags & IFF_UP) {
520
521 stop_gfar(dev);
522 err = startup_gfar(dev);
523 } else {
524 gfar_mac_reset(priv);
525 }
526
527 clear_bit_unlock(GFAR_RESETTING, &priv->state);
528
529 return err;
530}
531
532static uint32_t gfar_get_msglevel(struct net_device *dev)
533{
534 struct gfar_private *priv = netdev_priv(dev);
535
536 return priv->msg_enable;
537}
538
539static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
540{
541 struct gfar_private *priv = netdev_priv(dev);
542
543 priv->msg_enable = data;
544}
545
546#ifdef CONFIG_PM
547static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
548{
549 struct gfar_private *priv = netdev_priv(dev);
550
551 wol->supported = 0;
552 wol->wolopts = 0;
553
554 if (priv->wol_supported & GFAR_WOL_MAGIC)
555 wol->supported |= WAKE_MAGIC;
556
557 if (priv->wol_supported & GFAR_WOL_FILER_UCAST)
558 wol->supported |= WAKE_UCAST;
559
560 if (priv->wol_opts & GFAR_WOL_MAGIC)
561 wol->wolopts |= WAKE_MAGIC;
562
563 if (priv->wol_opts & GFAR_WOL_FILER_UCAST)
564 wol->wolopts |= WAKE_UCAST;
565}
566
567static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
568{
569 struct gfar_private *priv = netdev_priv(dev);
570 u16 wol_opts = 0;
571 int err;
572
573 if (!priv->wol_supported && wol->wolopts)
574 return -EINVAL;
575
576 if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST))
577 return -EINVAL;
578
579 if (wol->wolopts & WAKE_MAGIC) {
580 wol_opts |= GFAR_WOL_MAGIC;
581 } else {
582 if (wol->wolopts & WAKE_UCAST)
583 wol_opts |= GFAR_WOL_FILER_UCAST;
584 }
585
586 wol_opts &= priv->wol_supported;
587 priv->wol_opts = 0;
588
589 err = device_set_wakeup_enable(priv->dev, wol_opts);
590 if (err)
591 return err;
592
593 priv->wol_opts = wol_opts;
594
595 return 0;
596}
597#endif
598
599static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
600{
601 u32 fcr = 0x0, fpr = FPR_FILER_MASK;
602
603 if (ethflow & RXH_L2DA) {
604 fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH |
605 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
606 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
607 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
608 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
609 priv->cur_filer_idx = priv->cur_filer_idx - 1;
610
611 fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH |
612 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
613 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
614 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
615 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
616 priv->cur_filer_idx = priv->cur_filer_idx - 1;
617 }
618
619 if (ethflow & RXH_VLAN) {
620 fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
621 RQFCR_AND | RQFCR_HASHTBL_0;
622 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
623 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
624 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
625 priv->cur_filer_idx = priv->cur_filer_idx - 1;
626 }
627
628 if (ethflow & RXH_IP_SRC) {
629 fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
630 RQFCR_AND | RQFCR_HASHTBL_0;
631 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
632 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
633 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
634 priv->cur_filer_idx = priv->cur_filer_idx - 1;
635 }
636
637 if (ethflow & (RXH_IP_DST)) {
638 fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
639 RQFCR_AND | RQFCR_HASHTBL_0;
640 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
641 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
642 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
643 priv->cur_filer_idx = priv->cur_filer_idx - 1;
644 }
645
646 if (ethflow & RXH_L3_PROTO) {
647 fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
648 RQFCR_AND | RQFCR_HASHTBL_0;
649 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
650 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
651 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
652 priv->cur_filer_idx = priv->cur_filer_idx - 1;
653 }
654
655 if (ethflow & RXH_L4_B_0_1) {
656 fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
657 RQFCR_AND | RQFCR_HASHTBL_0;
658 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
659 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
660 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
661 priv->cur_filer_idx = priv->cur_filer_idx - 1;
662 }
663
664 if (ethflow & RXH_L4_B_2_3) {
665 fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
666 RQFCR_AND | RQFCR_HASHTBL_0;
667 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
668 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
669 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
670 priv->cur_filer_idx = priv->cur_filer_idx - 1;
671 }
672}
673
674static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
675 u64 class)
676{
677 unsigned int cmp_rqfpr;
678 unsigned int *local_rqfpr;
679 unsigned int *local_rqfcr;
680 int i = 0x0, k = 0x0;
681 int j = MAX_FILER_IDX, l = 0x0;
682 int ret = 1;
683
684 local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
685 GFP_KERNEL);
686 local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
687 GFP_KERNEL);
688 if (!local_rqfpr || !local_rqfcr) {
689 ret = 0;
690 goto err;
691 }
692
693 switch (class) {
694 case TCP_V4_FLOW:
695 cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
696 break;
697 case UDP_V4_FLOW:
698 cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
699 break;
700 case TCP_V6_FLOW:
701 cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
702 break;
703 case UDP_V6_FLOW:
704 cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
705 break;
706 default:
707 netdev_err(priv->ndev,
708 "Right now this class is not supported\n");
709 ret = 0;
710 goto err;
711 }
712
713 for (i = 0; i < MAX_FILER_IDX + 1; i++) {
714 local_rqfpr[j] = priv->ftp_rqfpr[i];
715 local_rqfcr[j] = priv->ftp_rqfcr[i];
716 j--;
717 if ((priv->ftp_rqfcr[i] ==
718 (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
719 (priv->ftp_rqfpr[i] == cmp_rqfpr))
720 break;
721 }
722
723 if (i == MAX_FILER_IDX + 1) {
724 netdev_err(priv->ndev,
725 "No parse rule found, can't create hash rules\n");
726 ret = 0;
727 goto err;
728 }
729
730
731
732
733 for (l = i+1; l < MAX_FILER_IDX; l++) {
734 if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
735 !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
736 priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
737 RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
738 priv->ftp_rqfpr[l] = FPR_FILER_MASK;
739 gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
740 priv->ftp_rqfpr[l]);
741 break;
742 }
743
744 if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
745 (priv->ftp_rqfcr[l] & RQFCR_AND))
746 continue;
747 else {
748 local_rqfpr[j] = priv->ftp_rqfpr[l];
749 local_rqfcr[j] = priv->ftp_rqfcr[l];
750 j--;
751 }
752 }
753
754 priv->cur_filer_idx = l - 1;
755
756
757 ethflow_to_filer_rules(priv, ethflow);
758
759
760 for (k = j+1; k < MAX_FILER_IDX; k++) {
761 priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
762 priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
763 gfar_write_filer(priv, priv->cur_filer_idx,
764 local_rqfcr[k], local_rqfpr[k]);
765 if (!priv->cur_filer_idx)
766 break;
767 priv->cur_filer_idx = priv->cur_filer_idx - 1;
768 }
769
770err:
771 kfree(local_rqfcr);
772 kfree(local_rqfpr);
773 return ret;
774}
775
776static int gfar_set_hash_opts(struct gfar_private *priv,
777 struct ethtool_rxnfc *cmd)
778{
779
780 if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
781 return -EINVAL;
782
783 return 0;
784}
785
786static int gfar_check_filer_hardware(struct gfar_private *priv)
787{
788 struct gfar __iomem *regs = priv->gfargrp[0].regs;
789 u32 i;
790
791
792 i = gfar_read(®s->ecntrl);
793 i &= ECNTRL_FIFM;
794 if (i == ECNTRL_FIFM) {
795 netdev_notice(priv->ndev, "Interface in FIFO mode\n");
796 i = gfar_read(®s->rctrl);
797 i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
798 if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
799 netdev_info(priv->ndev,
800 "Receive Queue Filtering enabled\n");
801 } else {
802 netdev_warn(priv->ndev,
803 "Receive Queue Filtering disabled\n");
804 return -EOPNOTSUPP;
805 }
806 }
807
808 else {
809 i = gfar_read(®s->rctrl);
810 i &= RCTRL_PRSDEP_MASK;
811 if (i == RCTRL_PRSDEP_MASK) {
812 netdev_info(priv->ndev,
813 "Receive Queue Filtering enabled\n");
814 } else {
815 netdev_warn(priv->ndev,
816 "Receive Queue Filtering disabled\n");
817 return -EOPNOTSUPP;
818 }
819 }
820
821
822
823
824 gfar_write(®s->rbifx, 0xC0C1C2C3);
825 return 0;
826}
827
828
829static void gfar_set_mask(u32 mask, struct filer_table *tab)
830{
831 tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
832 tab->fe[tab->index].prop = mask;
833 tab->index++;
834}
835
836
837static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
838{
839 gfar_set_mask(mask, tab);
840 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
841 RQFCR_AND;
842 tab->fe[tab->index].prop = value;
843 tab->index++;
844}
845
846static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
847 struct filer_table *tab)
848{
849 gfar_set_mask(mask, tab);
850 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
851 tab->fe[tab->index].prop = value;
852 tab->index++;
853}
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
870 struct filer_table *tab)
871{
872 switch (flag) {
873
874 case RQFCR_PID_PRI:
875 if (!(value | mask))
876 return;
877 mask |= RQFCR_PID_PRI_MASK;
878 break;
879
880 case RQFCR_PID_L4P:
881 case RQFCR_PID_TOS:
882 if (!~(mask | RQFCR_PID_L4P_MASK))
883 return;
884 if (!mask)
885 mask = ~0;
886 else
887 mask |= RQFCR_PID_L4P_MASK;
888 break;
889
890 case RQFCR_PID_VID:
891 if (!(value | mask))
892 return;
893 mask |= RQFCR_PID_VID_MASK;
894 break;
895
896 case RQFCR_PID_DPT:
897 case RQFCR_PID_SPT:
898 case RQFCR_PID_ETY:
899 if (!~(mask | RQFCR_PID_PORT_MASK))
900 return;
901 if (!mask)
902 mask = ~0;
903 else
904 mask |= RQFCR_PID_PORT_MASK;
905 break;
906
907 case RQFCR_PID_DAH:
908 case RQFCR_PID_DAL:
909 case RQFCR_PID_SAH:
910 case RQFCR_PID_SAL:
911 if (!(value | mask))
912 return;
913 mask |= RQFCR_PID_MAC_MASK;
914 break;
915
916 default:
917 if (!~mask)
918 return;
919 if (!mask)
920 mask = ~0;
921 break;
922 }
923 gfar_set_general_attribute(value, mask, flag, tab);
924}
925
926
927static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
928 struct ethtool_tcpip4_spec *mask,
929 struct filer_table *tab)
930{
931 gfar_set_attribute(be32_to_cpu(value->ip4src),
932 be32_to_cpu(mask->ip4src),
933 RQFCR_PID_SIA, tab);
934 gfar_set_attribute(be32_to_cpu(value->ip4dst),
935 be32_to_cpu(mask->ip4dst),
936 RQFCR_PID_DIA, tab);
937 gfar_set_attribute(be16_to_cpu(value->pdst),
938 be16_to_cpu(mask->pdst),
939 RQFCR_PID_DPT, tab);
940 gfar_set_attribute(be16_to_cpu(value->psrc),
941 be16_to_cpu(mask->psrc),
942 RQFCR_PID_SPT, tab);
943 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
944}
945
946
947static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
948 struct ethtool_usrip4_spec *mask,
949 struct filer_table *tab)
950{
951 gfar_set_attribute(be32_to_cpu(value->ip4src),
952 be32_to_cpu(mask->ip4src),
953 RQFCR_PID_SIA, tab);
954 gfar_set_attribute(be32_to_cpu(value->ip4dst),
955 be32_to_cpu(mask->ip4dst),
956 RQFCR_PID_DIA, tab);
957 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
958 gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
959 gfar_set_attribute(be32_to_cpu(value->l4_4_bytes),
960 be32_to_cpu(mask->l4_4_bytes),
961 RQFCR_PID_ARB, tab);
962
963}
964
965
966static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
967 struct filer_table *tab)
968{
969 u32 upper_temp_mask = 0;
970 u32 lower_temp_mask = 0;
971
972
973 if (!is_broadcast_ether_addr(mask->h_source)) {
974 if (is_zero_ether_addr(mask->h_source)) {
975 upper_temp_mask = 0xFFFFFFFF;
976 lower_temp_mask = 0xFFFFFFFF;
977 } else {
978 upper_temp_mask = mask->h_source[0] << 16 |
979 mask->h_source[1] << 8 |
980 mask->h_source[2];
981 lower_temp_mask = mask->h_source[3] << 16 |
982 mask->h_source[4] << 8 |
983 mask->h_source[5];
984 }
985
986 gfar_set_attribute(value->h_source[0] << 16 |
987 value->h_source[1] << 8 |
988 value->h_source[2],
989 upper_temp_mask, RQFCR_PID_SAH, tab);
990
991 gfar_set_attribute(value->h_source[3] << 16 |
992 value->h_source[4] << 8 |
993 value->h_source[5],
994 lower_temp_mask, RQFCR_PID_SAL, tab);
995 }
996
997 if (!is_broadcast_ether_addr(mask->h_dest)) {
998
999 if ((is_broadcast_ether_addr(value->h_dest) &&
1000 is_zero_ether_addr(mask->h_dest))) {
1001 gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
1002 } else {
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
1016 gfar_set_attribute(value->h_dest[0] << 16 |
1017 value->h_dest[1] << 8 |
1018 value->h_dest[2],
1019 upper_temp_mask, RQFCR_PID_DAH, tab);
1020
1021 gfar_set_attribute(value->h_dest[3] << 16 |
1022 value->h_dest[4] << 8 |
1023 value->h_dest[5],
1024 lower_temp_mask, RQFCR_PID_DAL, tab);
1025 }
1026 }
1027
1028 gfar_set_attribute(be16_to_cpu(value->h_proto),
1029 be16_to_cpu(mask->h_proto),
1030 RQFCR_PID_ETY, tab);
1031}
1032
1033static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule)
1034{
1035 return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK;
1036}
1037
1038static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule)
1039{
1040 return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK;
1041}
1042
1043static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule)
1044{
1045 return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK;
1046}
1047
1048static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule)
1049{
1050 return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK;
1051}
1052
1053static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule)
1054{
1055 return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >>
1056 VLAN_PRIO_SHIFT;
1057}
1058
1059static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule)
1060{
1061 return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >>
1062 VLAN_PRIO_SHIFT;
1063}
1064
1065
1066static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
1067 struct filer_table *tab)
1068{
1069 u32 vlan = 0, vlan_mask = 0;
1070 u32 id = 0, id_mask = 0;
1071 u32 cfi = 0, cfi_mask = 0;
1072 u32 prio = 0, prio_mask = 0;
1073 u32 old_index = tab->index;
1074
1075
1076 if ((rule->flow_type & FLOW_EXT) &&
1077 (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) {
1078 if (!rule->m_ext.vlan_tci)
1079 rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF);
1080
1081 vlan = RQFPR_VLN;
1082 vlan_mask = RQFPR_VLN;
1083
1084
1085 id = vlan_tci_vid(rule);
1086 id_mask = vlan_tci_vidm(rule);
1087 cfi = vlan_tci_cfi(rule);
1088 cfi_mask = vlan_tci_cfim(rule);
1089 prio = vlan_tci_prio(rule);
1090 prio_mask = vlan_tci_priom(rule);
1091
1092 if (cfi_mask) {
1093 if (cfi)
1094 vlan |= RQFPR_CFI;
1095 vlan_mask |= RQFPR_CFI;
1096 }
1097 }
1098
1099 switch (rule->flow_type & ~FLOW_EXT) {
1100 case TCP_V4_FLOW:
1101 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
1102 RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
1103 gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
1104 &rule->m_u.tcp_ip4_spec, tab);
1105 break;
1106 case UDP_V4_FLOW:
1107 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
1108 RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
1109 gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
1110 &rule->m_u.udp_ip4_spec, tab);
1111 break;
1112 case SCTP_V4_FLOW:
1113 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1114 tab);
1115 gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
1116 gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
1117 (struct ethtool_tcpip4_spec *)&rule->m_u,
1118 tab);
1119 break;
1120 case IP_USER_FLOW:
1121 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1122 tab);
1123 gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
1124 (struct ethtool_usrip4_spec *) &rule->m_u,
1125 tab);
1126 break;
1127 case ETHER_FLOW:
1128 if (vlan)
1129 gfar_set_parse_bits(vlan, vlan_mask, tab);
1130 gfar_set_ether((struct ethhdr *) &rule->h_u,
1131 (struct ethhdr *) &rule->m_u, tab);
1132 break;
1133 default:
1134 return -1;
1135 }
1136
1137
1138 if (vlan) {
1139 gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab);
1140 gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab);
1141 }
1142
1143
1144 if (tab->index == old_index) {
1145 gfar_set_mask(0xFFFFFFFF, tab);
1146 tab->fe[tab->index].ctrl = 0x20;
1147 tab->fe[tab->index].prop = 0x0;
1148 tab->index++;
1149 }
1150
1151
1152 tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND);
1153
1154
1155 if (rule->ring_cookie == RX_CLS_FLOW_DISC)
1156 tab->fe[tab->index - 1].ctrl |= RQFCR_RJE;
1157 else
1158 tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10);
1159
1160
1161 if (tab->index > (old_index + 2)) {
1162 tab->fe[old_index + 1].ctrl |= RQFCR_CLE;
1163 tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
1164 }
1165
1166
1167
1168
1169 if (tab->index > MAX_FILER_CACHE_IDX - 1)
1170 return -EBUSY;
1171
1172 return 0;
1173}
1174
1175
1176static int gfar_write_filer_table(struct gfar_private *priv,
1177 struct filer_table *tab)
1178{
1179 u32 i = 0;
1180 if (tab->index > MAX_FILER_IDX - 1)
1181 return -EBUSY;
1182
1183
1184 for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++)
1185 gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
1186
1187 for (; i < MAX_FILER_IDX; i++)
1188 gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
1189
1190
1191
1192 gfar_write_filer(priv, i, 0x20, 0x0);
1193
1194 return 0;
1195}
1196
1197static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
1198 struct gfar_private *priv)
1199{
1200
1201 if (flow->flow_type & FLOW_EXT) {
1202 if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
1203 netdev_warn(priv->ndev,
1204 "User-specific data not supported!\n");
1205 if (~flow->m_ext.vlan_etype)
1206 netdev_warn(priv->ndev,
1207 "VLAN-etype not supported!\n");
1208 }
1209 if (flow->flow_type == IP_USER_FLOW)
1210 if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
1211 netdev_warn(priv->ndev,
1212 "IP-Version differing from IPv4 not supported!\n");
1213
1214 return 0;
1215}
1216
1217static int gfar_process_filer_changes(struct gfar_private *priv)
1218{
1219 struct ethtool_flow_spec_container *j;
1220 struct filer_table *tab;
1221 s32 ret = 0;
1222
1223
1224 tab = kzalloc(sizeof(*tab), GFP_KERNEL);
1225 if (tab == NULL)
1226 return -ENOMEM;
1227
1228
1229
1230
1231 list_for_each_entry(j, &priv->rx_list.list, list) {
1232 ret = gfar_convert_to_filer(&j->fs, tab);
1233 if (ret == -EBUSY) {
1234 netdev_err(priv->ndev,
1235 "Rule not added: No free space!\n");
1236 goto end;
1237 }
1238 if (ret == -1) {
1239 netdev_err(priv->ndev,
1240 "Rule not added: Unsupported Flow-type!\n");
1241 goto end;
1242 }
1243 }
1244
1245
1246 ret = gfar_write_filer_table(priv, tab);
1247 if (ret == -EBUSY) {
1248 netdev_err(priv->ndev, "Rule not added: No free space!\n");
1249 goto end;
1250 }
1251
1252end:
1253 kfree(tab);
1254 return ret;
1255}
1256
1257static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
1258{
1259 u32 i = 0;
1260
1261 for (i = 0; i < sizeof(flow->m_u); i++)
1262 flow->m_u.hdata[i] ^= 0xFF;
1263
1264 flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF);
1265 flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF);
1266 flow->m_ext.data[0] ^= cpu_to_be32(~0);
1267 flow->m_ext.data[1] ^= cpu_to_be32(~0);
1268}
1269
1270static int gfar_add_cls(struct gfar_private *priv,
1271 struct ethtool_rx_flow_spec *flow)
1272{
1273 struct ethtool_flow_spec_container *temp, *comp;
1274 int ret = 0;
1275
1276 temp = kmalloc(sizeof(*temp), GFP_KERNEL);
1277 if (temp == NULL)
1278 return -ENOMEM;
1279 memcpy(&temp->fs, flow, sizeof(temp->fs));
1280
1281 gfar_invert_masks(&temp->fs);
1282 ret = gfar_check_capability(&temp->fs, priv);
1283 if (ret)
1284 goto clean_mem;
1285
1286 if (list_empty(&priv->rx_list.list)) {
1287 ret = gfar_check_filer_hardware(priv);
1288 if (ret != 0)
1289 goto clean_mem;
1290 list_add(&temp->list, &priv->rx_list.list);
1291 goto process;
1292 } else {
1293 list_for_each_entry(comp, &priv->rx_list.list, list) {
1294 if (comp->fs.location > flow->location) {
1295 list_add_tail(&temp->list, &comp->list);
1296 goto process;
1297 }
1298 if (comp->fs.location == flow->location) {
1299 netdev_err(priv->ndev,
1300 "Rule not added: ID %d not free!\n",
1301 flow->location);
1302 ret = -EBUSY;
1303 goto clean_mem;
1304 }
1305 }
1306 list_add_tail(&temp->list, &priv->rx_list.list);
1307 }
1308
1309process:
1310 priv->rx_list.count++;
1311 ret = gfar_process_filer_changes(priv);
1312 if (ret)
1313 goto clean_list;
1314 return ret;
1315
1316clean_list:
1317 priv->rx_list.count--;
1318 list_del(&temp->list);
1319clean_mem:
1320 kfree(temp);
1321 return ret;
1322}
1323
1324static int gfar_del_cls(struct gfar_private *priv, u32 loc)
1325{
1326 struct ethtool_flow_spec_container *comp;
1327 u32 ret = -EINVAL;
1328
1329 if (list_empty(&priv->rx_list.list))
1330 return ret;
1331
1332 list_for_each_entry(comp, &priv->rx_list.list, list) {
1333 if (comp->fs.location == loc) {
1334 list_del(&comp->list);
1335 kfree(comp);
1336 priv->rx_list.count--;
1337 gfar_process_filer_changes(priv);
1338 ret = 0;
1339 break;
1340 }
1341 }
1342
1343 return ret;
1344}
1345
1346static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
1347{
1348 struct ethtool_flow_spec_container *comp;
1349 u32 ret = -EINVAL;
1350
1351 list_for_each_entry(comp, &priv->rx_list.list, list) {
1352 if (comp->fs.location == cmd->fs.location) {
1353 memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs));
1354 gfar_invert_masks(&cmd->fs);
1355 ret = 0;
1356 break;
1357 }
1358 }
1359
1360 return ret;
1361}
1362
1363static int gfar_get_cls_all(struct gfar_private *priv,
1364 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1365{
1366 struct ethtool_flow_spec_container *comp;
1367 u32 i = 0;
1368
1369 list_for_each_entry(comp, &priv->rx_list.list, list) {
1370 if (i == cmd->rule_cnt)
1371 return -EMSGSIZE;
1372 rule_locs[i] = comp->fs.location;
1373 i++;
1374 }
1375
1376 cmd->data = MAX_FILER_IDX;
1377 cmd->rule_cnt = i;
1378
1379 return 0;
1380}
1381
1382static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1383{
1384 struct gfar_private *priv = netdev_priv(dev);
1385 int ret = 0;
1386
1387 if (test_bit(GFAR_RESETTING, &priv->state))
1388 return -EBUSY;
1389
1390 mutex_lock(&priv->rx_queue_access);
1391
1392 switch (cmd->cmd) {
1393 case ETHTOOL_SRXFH:
1394 ret = gfar_set_hash_opts(priv, cmd);
1395 break;
1396 case ETHTOOL_SRXCLSRLINS:
1397 if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
1398 cmd->fs.ring_cookie >= priv->num_rx_queues) ||
1399 cmd->fs.location >= MAX_FILER_IDX) {
1400 ret = -EINVAL;
1401 break;
1402 }
1403 ret = gfar_add_cls(priv, &cmd->fs);
1404 break;
1405 case ETHTOOL_SRXCLSRLDEL:
1406 ret = gfar_del_cls(priv, cmd->fs.location);
1407 break;
1408 default:
1409 ret = -EINVAL;
1410 }
1411
1412 mutex_unlock(&priv->rx_queue_access);
1413
1414 return ret;
1415}
1416
1417static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1418 u32 *rule_locs)
1419{
1420 struct gfar_private *priv = netdev_priv(dev);
1421 int ret = 0;
1422
1423 switch (cmd->cmd) {
1424 case ETHTOOL_GRXRINGS:
1425 cmd->data = priv->num_rx_queues;
1426 break;
1427 case ETHTOOL_GRXCLSRLCNT:
1428 cmd->rule_cnt = priv->rx_list.count;
1429 break;
1430 case ETHTOOL_GRXCLSRULE:
1431 ret = gfar_get_cls(priv, cmd);
1432 break;
1433 case ETHTOOL_GRXCLSRLALL:
1434 ret = gfar_get_cls_all(priv, cmd, rule_locs);
1435 break;
1436 default:
1437 ret = -EINVAL;
1438 break;
1439 }
1440
1441 return ret;
1442}
1443
1444static int gfar_get_ts_info(struct net_device *dev,
1445 struct ethtool_ts_info *info)
1446{
1447 struct gfar_private *priv = netdev_priv(dev);
1448 struct platform_device *ptp_dev;
1449 struct device_node *ptp_node;
1450 struct ptp_qoriq *ptp = NULL;
1451
1452 info->phc_index = -1;
1453
1454 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
1455 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
1456 SOF_TIMESTAMPING_SOFTWARE;
1457 return 0;
1458 }
1459
1460 ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp");
1461 if (ptp_node) {
1462 ptp_dev = of_find_device_by_node(ptp_node);
1463 if (ptp_dev)
1464 ptp = platform_get_drvdata(ptp_dev);
1465 }
1466
1467 if (ptp)
1468 info->phc_index = ptp->phc_index;
1469
1470 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1471 SOF_TIMESTAMPING_RX_HARDWARE |
1472 SOF_TIMESTAMPING_RAW_HARDWARE;
1473 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1474 (1 << HWTSTAMP_TX_ON);
1475 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1476 (1 << HWTSTAMP_FILTER_ALL);
1477 return 0;
1478}
1479
1480const struct ethtool_ops gfar_ethtool_ops = {
1481 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1482 ETHTOOL_COALESCE_MAX_FRAMES,
1483 .get_drvinfo = gfar_gdrvinfo,
1484 .get_regs_len = gfar_reglen,
1485 .get_regs = gfar_get_regs,
1486 .get_link = ethtool_op_get_link,
1487 .get_coalesce = gfar_gcoalesce,
1488 .set_coalesce = gfar_scoalesce,
1489 .get_ringparam = gfar_gringparam,
1490 .set_ringparam = gfar_sringparam,
1491 .get_pauseparam = gfar_gpauseparam,
1492 .set_pauseparam = gfar_spauseparam,
1493 .get_strings = gfar_gstrings,
1494 .get_sset_count = gfar_sset_count,
1495 .get_ethtool_stats = gfar_fill_stats,
1496 .get_msglevel = gfar_get_msglevel,
1497 .set_msglevel = gfar_set_msglevel,
1498#ifdef CONFIG_PM
1499 .get_wol = gfar_get_wol,
1500 .set_wol = gfar_set_wol,
1501#endif
1502 .set_rxnfc = gfar_set_nfc,
1503 .get_rxnfc = gfar_get_nfc,
1504 .get_ts_info = gfar_get_ts_info,
1505 .get_link_ksettings = phy_ethtool_get_link_ksettings,
1506 .set_link_ksettings = phy_ethtool_set_link_ksettings,
1507};
1508
