2 * drivers/net/ethernet/freescale/gianfar_ethtool.c
4 * Gianfar Ethernet Driver
5 * Ethtool support for Gianfar Enet
6 * Based on e1000 ethtool support
9 * Maintainer: Kumar Gala
10 * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
12 * Copyright 2003-2006, 2008-2009, 2011 Freescale Semiconductor, Inc.
14 * This software may be used and distributed according to
15 * the terms of the GNU Public License, Version 2, incorporated herein
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include <linux/kernel.h>
22 #include <linux/string.h>
23 #include <linux/errno.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/netdevice.h>
27 #include <linux/etherdevice.h>
28 #include <linux/net_tstamp.h>
29 #include <linux/skbuff.h>
30 #include <linux/spinlock.h>
35 #include <linux/uaccess.h>
36 #include <linux/module.h>
37 #include <linux/crc32.h>
38 #include <asm/types.h>
39 #include <linux/ethtool.h>
40 #include <linux/mii.h>
41 #include <linux/phy.h>
42 #include <linux/sort.h>
43 #include <linux/if_vlan.h>
44 #include <linux/of_platform.h>
45 #include <linux/fsl/ptp_qoriq.h>
49 #define GFAR_MAX_COAL_USECS 0xffff
50 #define GFAR_MAX_COAL_FRAMES 0xff
51 static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
53 static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf);
54 static int gfar_gcoalesce(struct net_device *dev,
55 struct ethtool_coalesce *cvals);
56 static int gfar_scoalesce(struct net_device *dev,
57 struct ethtool_coalesce *cvals);
58 static void gfar_gringparam(struct net_device *dev,
59 struct ethtool_ringparam *rvals);
60 static int gfar_sringparam(struct net_device *dev,
61 struct ethtool_ringparam *rvals);
62 static void gfar_gdrvinfo(struct net_device *dev,
63 struct ethtool_drvinfo *drvinfo);
65 static const char stat_gstrings[][ETH_GSTRING_LEN] = {
67 "rx-allocation-errors",
68 "rx-large-frame-errors",
69 "rx-short-frame-errors",
70 "rx-non-octet-errors",
75 "rx-truncated-frames",
82 "tx-rx-65-127-frames",
83 "tx-rx-128-255-frames",
84 "tx-rx-256-511-frames",
85 "tx-rx-512-1023-frames",
86 "tx-rx-1024-1518-frames",
87 "tx-rx-1519-1522-good-vlan",
91 "receive-multicast-packet",
92 "receive-broadcast-packet",
93 "rx-control-frame-packets",
94 "rx-pause-frame-packets",
97 "rx-frame-length-error",
99 "rx-carrier-sense-error",
100 "rx-undersize-packets",
101 "rx-oversize-packets",
102 "rx-fragmented-frames",
107 "tx-multicast-packets",
108 "tx-broadcast-packets",
109 "tx-pause-control-frames",
110 "tx-deferral-packets",
111 "tx-excessive-deferral-packets",
112 "tx-single-collision-packets",
113 "tx-multiple-collision-packets",
114 "tx-late-collision-packets",
115 "tx-excessive-collision-packets",
116 "tx-total-collision",
122 "tx-oversize-frames",
123 "tx-undersize-frames",
124 "tx-fragmented-frames",
127 /* Fill in a buffer with the strings which correspond to the
129 static void gfar_gstrings(struct net_device *dev, u32 stringset, u8 * buf)
131 struct gfar_private *priv = netdev_priv(dev);
133 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
134 memcpy(buf, stat_gstrings, GFAR_STATS_LEN * ETH_GSTRING_LEN);
136 memcpy(buf, stat_gstrings,
137 GFAR_EXTRA_STATS_LEN * ETH_GSTRING_LEN);
140 /* Fill in an array of 64-bit statistics from various sources.
141 * This array will be appended to the end of the ethtool_stats
142 * structure, and returned to user space
144 static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
148 struct gfar_private *priv = netdev_priv(dev);
149 struct gfar __iomem *regs = priv->gfargrp[0].regs;
150 atomic64_t *extra = (atomic64_t *)&priv->extra_stats;
152 for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
153 buf[i] = atomic64_read(&extra[i]);
155 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
156 u32 __iomem *rmon = (u32 __iomem *) ®s->rmon;
158 for (; i < GFAR_STATS_LEN; i++, rmon++)
159 buf[i] = (u64) gfar_read(rmon);
163 static int gfar_sset_count(struct net_device *dev, int sset)
165 struct gfar_private *priv = netdev_priv(dev);
169 if (priv->device_flags & FSL_GIANFAR_DEV_HAS_RMON)
170 return GFAR_STATS_LEN;
172 return GFAR_EXTRA_STATS_LEN;
178 /* Fills in the drvinfo structure with some basic info */
179 static void gfar_gdrvinfo(struct net_device *dev,
180 struct ethtool_drvinfo *drvinfo)
182 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
183 strlcpy(drvinfo->version, gfar_driver_version,
184 sizeof(drvinfo->version));
185 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
186 strlcpy(drvinfo->bus_info, "N/A", sizeof(drvinfo->bus_info));
189 /* Return the length of the register structure */
190 static int gfar_reglen(struct net_device *dev)
192 return sizeof (struct gfar);
195 /* Return a dump of the GFAR register space */
196 static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs,
200 struct gfar_private *priv = netdev_priv(dev);
201 u32 __iomem *theregs = (u32 __iomem *) priv->gfargrp[0].regs;
202 u32 *buf = (u32 *) regbuf;
204 for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
205 buf[i] = gfar_read(&theregs[i]);
208 /* Convert microseconds to ethernet clock ticks, which changes
209 * depending on what speed the controller is running at */
210 static unsigned int gfar_usecs2ticks(struct gfar_private *priv,
213 struct net_device *ndev = priv->ndev;
214 struct phy_device *phydev = ndev->phydev;
217 /* The timer is different, depending on the interface speed */
218 switch (phydev->speed) {
220 count = GFAR_GBIT_TIME;
223 count = GFAR_100_TIME;
227 count = GFAR_10_TIME;
231 /* Make sure we return a number greater than 0
233 return (usecs * 1000 + count - 1) / count;
236 /* Convert ethernet clock ticks to microseconds */
237 static unsigned int gfar_ticks2usecs(struct gfar_private *priv,
240 struct net_device *ndev = priv->ndev;
241 struct phy_device *phydev = ndev->phydev;
244 /* The timer is different, depending on the interface speed */
245 switch (phydev->speed) {
247 count = GFAR_GBIT_TIME;
250 count = GFAR_100_TIME;
254 count = GFAR_10_TIME;
258 /* Make sure we return a number greater than 0 */
259 /* if ticks is > 0 */
260 return (ticks * count) / 1000;
263 /* Get the coalescing parameters, and put them in the cvals
265 static int gfar_gcoalesce(struct net_device *dev,
266 struct ethtool_coalesce *cvals)
268 struct gfar_private *priv = netdev_priv(dev);
269 struct gfar_priv_rx_q *rx_queue = NULL;
270 struct gfar_priv_tx_q *tx_queue = NULL;
271 unsigned long rxtime;
272 unsigned long rxcount;
273 unsigned long txtime;
274 unsigned long txcount;
276 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
282 rx_queue = priv->rx_queue[0];
283 tx_queue = priv->tx_queue[0];
285 rxtime = get_ictt_value(rx_queue->rxic);
286 rxcount = get_icft_value(rx_queue->rxic);
287 txtime = get_ictt_value(tx_queue->txic);
288 txcount = get_icft_value(tx_queue->txic);
289 cvals->rx_coalesce_usecs = gfar_ticks2usecs(priv, rxtime);
290 cvals->rx_max_coalesced_frames = rxcount;
292 cvals->tx_coalesce_usecs = gfar_ticks2usecs(priv, txtime);
293 cvals->tx_max_coalesced_frames = txcount;
295 cvals->use_adaptive_rx_coalesce = 0;
296 cvals->use_adaptive_tx_coalesce = 0;
298 cvals->pkt_rate_low = 0;
299 cvals->rx_coalesce_usecs_low = 0;
300 cvals->rx_max_coalesced_frames_low = 0;
301 cvals->tx_coalesce_usecs_low = 0;
302 cvals->tx_max_coalesced_frames_low = 0;
304 /* When the packet rate is below pkt_rate_high but above
305 * pkt_rate_low (both measured in packets per second) the
306 * normal {rx,tx}_* coalescing parameters are used.
309 /* When the packet rate is (measured in packets per second)
310 * is above pkt_rate_high, the {rx,tx}_*_high parameters are
313 cvals->pkt_rate_high = 0;
314 cvals->rx_coalesce_usecs_high = 0;
315 cvals->rx_max_coalesced_frames_high = 0;
316 cvals->tx_coalesce_usecs_high = 0;
317 cvals->tx_max_coalesced_frames_high = 0;
319 /* How often to do adaptive coalescing packet rate sampling,
320 * measured in seconds. Must not be zero.
322 cvals->rate_sample_interval = 0;
327 /* Change the coalescing values.
328 * Both cvals->*_usecs and cvals->*_frames have to be > 0
329 * in order for coalescing to be active
331 static int gfar_scoalesce(struct net_device *dev,
332 struct ethtool_coalesce *cvals)
334 struct gfar_private *priv = netdev_priv(dev);
337 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_COALESCE))
343 /* Check the bounds of the values */
344 if (cvals->rx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
345 netdev_info(dev, "Coalescing is limited to %d microseconds\n",
346 GFAR_MAX_COAL_USECS);
350 if (cvals->rx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
351 netdev_info(dev, "Coalescing is limited to %d frames\n",
352 GFAR_MAX_COAL_FRAMES);
356 /* Check the bounds of the values */
357 if (cvals->tx_coalesce_usecs > GFAR_MAX_COAL_USECS) {
358 netdev_info(dev, "Coalescing is limited to %d microseconds\n",
359 GFAR_MAX_COAL_USECS);
363 if (cvals->tx_max_coalesced_frames > GFAR_MAX_COAL_FRAMES) {
364 netdev_info(dev, "Coalescing is limited to %d frames\n",
365 GFAR_MAX_COAL_FRAMES);
369 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
372 /* Set up rx coalescing */
373 if ((cvals->rx_coalesce_usecs == 0) ||
374 (cvals->rx_max_coalesced_frames == 0)) {
375 for (i = 0; i < priv->num_rx_queues; i++)
376 priv->rx_queue[i]->rxcoalescing = 0;
378 for (i = 0; i < priv->num_rx_queues; i++)
379 priv->rx_queue[i]->rxcoalescing = 1;
382 for (i = 0; i < priv->num_rx_queues; i++) {
383 priv->rx_queue[i]->rxic = mk_ic_value(
384 cvals->rx_max_coalesced_frames,
385 gfar_usecs2ticks(priv, cvals->rx_coalesce_usecs));
388 /* Set up tx coalescing */
389 if ((cvals->tx_coalesce_usecs == 0) ||
390 (cvals->tx_max_coalesced_frames == 0)) {
391 for (i = 0; i < priv->num_tx_queues; i++)
392 priv->tx_queue[i]->txcoalescing = 0;
394 for (i = 0; i < priv->num_tx_queues; i++)
395 priv->tx_queue[i]->txcoalescing = 1;
398 for (i = 0; i < priv->num_tx_queues; i++) {
399 priv->tx_queue[i]->txic = mk_ic_value(
400 cvals->tx_max_coalesced_frames,
401 gfar_usecs2ticks(priv, cvals->tx_coalesce_usecs));
404 if (dev->flags & IFF_UP) {
406 err = startup_gfar(dev);
408 gfar_mac_reset(priv);
411 clear_bit_unlock(GFAR_RESETTING, &priv->state);
416 /* Fills in rvals with the current ring parameters. Currently,
417 * rx, rx_mini, and rx_jumbo rings are the same size, as mini and
418 * jumbo are ignored by the driver */
419 static void gfar_gringparam(struct net_device *dev,
420 struct ethtool_ringparam *rvals)
422 struct gfar_private *priv = netdev_priv(dev);
423 struct gfar_priv_tx_q *tx_queue = NULL;
424 struct gfar_priv_rx_q *rx_queue = NULL;
426 tx_queue = priv->tx_queue[0];
427 rx_queue = priv->rx_queue[0];
429 rvals->rx_max_pending = GFAR_RX_MAX_RING_SIZE;
430 rvals->rx_mini_max_pending = GFAR_RX_MAX_RING_SIZE;
431 rvals->rx_jumbo_max_pending = GFAR_RX_MAX_RING_SIZE;
432 rvals->tx_max_pending = GFAR_TX_MAX_RING_SIZE;
434 /* Values changeable by the user. The valid values are
435 * in the range 1 to the "*_max_pending" counterpart above.
437 rvals->rx_pending = rx_queue->rx_ring_size;
438 rvals->rx_mini_pending = rx_queue->rx_ring_size;
439 rvals->rx_jumbo_pending = rx_queue->rx_ring_size;
440 rvals->tx_pending = tx_queue->tx_ring_size;
443 /* Change the current ring parameters, stopping the controller if
444 * necessary so that we don't mess things up while we're in motion.
446 static int gfar_sringparam(struct net_device *dev,
447 struct ethtool_ringparam *rvals)
449 struct gfar_private *priv = netdev_priv(dev);
452 if (rvals->rx_pending > GFAR_RX_MAX_RING_SIZE)
455 if (!is_power_of_2(rvals->rx_pending)) {
456 netdev_err(dev, "Ring sizes must be a power of 2\n");
460 if (rvals->tx_pending > GFAR_TX_MAX_RING_SIZE)
463 if (!is_power_of_2(rvals->tx_pending)) {
464 netdev_err(dev, "Ring sizes must be a power of 2\n");
468 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
471 if (dev->flags & IFF_UP)
474 /* Change the sizes */
475 for (i = 0; i < priv->num_rx_queues; i++)
476 priv->rx_queue[i]->rx_ring_size = rvals->rx_pending;
478 for (i = 0; i < priv->num_tx_queues; i++)
479 priv->tx_queue[i]->tx_ring_size = rvals->tx_pending;
481 /* Rebuild the rings with the new size */
482 if (dev->flags & IFF_UP)
483 err = startup_gfar(dev);
485 clear_bit_unlock(GFAR_RESETTING, &priv->state);
490 static void gfar_gpauseparam(struct net_device *dev,
491 struct ethtool_pauseparam *epause)
493 struct gfar_private *priv = netdev_priv(dev);
495 epause->autoneg = !!priv->pause_aneg_en;
496 epause->rx_pause = !!priv->rx_pause_en;
497 epause->tx_pause = !!priv->tx_pause_en;
500 static int gfar_spauseparam(struct net_device *dev,
501 struct ethtool_pauseparam *epause)
503 struct gfar_private *priv = netdev_priv(dev);
504 struct phy_device *phydev = dev->phydev;
505 struct gfar __iomem *regs = priv->gfargrp[0].regs;
511 if (!(phydev->supported & SUPPORTED_Pause) ||
512 (!(phydev->supported & SUPPORTED_Asym_Pause) &&
513 (epause->rx_pause != epause->tx_pause)))
516 priv->rx_pause_en = priv->tx_pause_en = 0;
517 if (epause->rx_pause) {
518 priv->rx_pause_en = 1;
520 if (epause->tx_pause) {
521 priv->tx_pause_en = 1;
522 /* FLOW_CTRL_RX & TX */
523 newadv = ADVERTISED_Pause;
524 } else /* FLOW_CTLR_RX */
525 newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
526 } else if (epause->tx_pause) {
527 priv->tx_pause_en = 1;
529 newadv = ADVERTISED_Asym_Pause;
534 priv->pause_aneg_en = 1;
536 priv->pause_aneg_en = 0;
538 oldadv = phydev->advertising &
539 (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
540 if (oldadv != newadv) {
541 phydev->advertising &=
542 ~(ADVERTISED_Pause | ADVERTISED_Asym_Pause);
543 phydev->advertising |= newadv;
545 /* inform link partner of our
546 * new flow ctrl settings
548 return phy_start_aneg(phydev);
550 if (!epause->autoneg) {
552 tempval = gfar_read(®s->maccfg1);
553 tempval &= ~(MACCFG1_TX_FLOW | MACCFG1_RX_FLOW);
555 priv->tx_actual_en = 0;
556 if (priv->tx_pause_en) {
557 priv->tx_actual_en = 1;
558 tempval |= MACCFG1_TX_FLOW;
561 if (priv->rx_pause_en)
562 tempval |= MACCFG1_RX_FLOW;
563 gfar_write(®s->maccfg1, tempval);
570 int gfar_set_features(struct net_device *dev, netdev_features_t features)
572 netdev_features_t changed = dev->features ^ features;
573 struct gfar_private *priv = netdev_priv(dev);
576 if (!(changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
580 while (test_and_set_bit_lock(GFAR_RESETTING, &priv->state))
583 dev->features = features;
585 if (dev->flags & IFF_UP) {
586 /* Now we take down the rings to rebuild them */
588 err = startup_gfar(dev);
590 gfar_mac_reset(priv);
593 clear_bit_unlock(GFAR_RESETTING, &priv->state);
598 static uint32_t gfar_get_msglevel(struct net_device *dev)
600 struct gfar_private *priv = netdev_priv(dev);
602 return priv->msg_enable;
605 static void gfar_set_msglevel(struct net_device *dev, uint32_t data)
607 struct gfar_private *priv = netdev_priv(dev);
609 priv->msg_enable = data;
613 static void gfar_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
615 struct gfar_private *priv = netdev_priv(dev);
620 if (priv->wol_supported & GFAR_WOL_MAGIC)
621 wol->supported |= WAKE_MAGIC;
623 if (priv->wol_supported & GFAR_WOL_FILER_UCAST)
624 wol->supported |= WAKE_UCAST;
626 if (priv->wol_opts & GFAR_WOL_MAGIC)
627 wol->wolopts |= WAKE_MAGIC;
629 if (priv->wol_opts & GFAR_WOL_FILER_UCAST)
630 wol->wolopts |= WAKE_UCAST;
633 static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
635 struct gfar_private *priv = netdev_priv(dev);
639 if (!priv->wol_supported && wol->wolopts)
642 if (wol->wolopts & ~(WAKE_MAGIC | WAKE_UCAST))
645 if (wol->wolopts & WAKE_MAGIC) {
646 wol_opts |= GFAR_WOL_MAGIC;
648 if (wol->wolopts & WAKE_UCAST)
649 wol_opts |= GFAR_WOL_FILER_UCAST;
652 wol_opts &= priv->wol_supported;
655 err = device_set_wakeup_enable(priv->dev, wol_opts);
659 priv->wol_opts = wol_opts;
665 static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow)
667 u32 fcr = 0x0, fpr = FPR_FILER_MASK;
669 if (ethflow & RXH_L2DA) {
670 fcr = RQFCR_PID_DAH | RQFCR_CMP_NOMATCH |
671 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
672 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
673 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
674 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
675 priv->cur_filer_idx = priv->cur_filer_idx - 1;
677 fcr = RQFCR_PID_DAL | RQFCR_CMP_NOMATCH |
678 RQFCR_HASH | RQFCR_AND | RQFCR_HASHTBL_0;
679 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
680 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
681 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
682 priv->cur_filer_idx = priv->cur_filer_idx - 1;
685 if (ethflow & RXH_VLAN) {
686 fcr = RQFCR_PID_VID | RQFCR_CMP_NOMATCH | RQFCR_HASH |
687 RQFCR_AND | RQFCR_HASHTBL_0;
688 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
689 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
690 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
691 priv->cur_filer_idx = priv->cur_filer_idx - 1;
694 if (ethflow & RXH_IP_SRC) {
695 fcr = RQFCR_PID_SIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
696 RQFCR_AND | RQFCR_HASHTBL_0;
697 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
698 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
699 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
700 priv->cur_filer_idx = priv->cur_filer_idx - 1;
703 if (ethflow & (RXH_IP_DST)) {
704 fcr = RQFCR_PID_DIA | RQFCR_CMP_NOMATCH | RQFCR_HASH |
705 RQFCR_AND | RQFCR_HASHTBL_0;
706 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
707 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
708 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
709 priv->cur_filer_idx = priv->cur_filer_idx - 1;
712 if (ethflow & RXH_L3_PROTO) {
713 fcr = RQFCR_PID_L4P | RQFCR_CMP_NOMATCH | RQFCR_HASH |
714 RQFCR_AND | RQFCR_HASHTBL_0;
715 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
716 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
717 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
718 priv->cur_filer_idx = priv->cur_filer_idx - 1;
721 if (ethflow & RXH_L4_B_0_1) {
722 fcr = RQFCR_PID_SPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
723 RQFCR_AND | RQFCR_HASHTBL_0;
724 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
725 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
726 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
727 priv->cur_filer_idx = priv->cur_filer_idx - 1;
730 if (ethflow & RXH_L4_B_2_3) {
731 fcr = RQFCR_PID_DPT | RQFCR_CMP_NOMATCH | RQFCR_HASH |
732 RQFCR_AND | RQFCR_HASHTBL_0;
733 priv->ftp_rqfpr[priv->cur_filer_idx] = fpr;
734 priv->ftp_rqfcr[priv->cur_filer_idx] = fcr;
735 gfar_write_filer(priv, priv->cur_filer_idx, fcr, fpr);
736 priv->cur_filer_idx = priv->cur_filer_idx - 1;
740 static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow,
743 unsigned int cmp_rqfpr;
744 unsigned int *local_rqfpr;
745 unsigned int *local_rqfcr;
746 int i = 0x0, k = 0x0;
747 int j = MAX_FILER_IDX, l = 0x0;
750 local_rqfpr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
752 local_rqfcr = kmalloc_array(MAX_FILER_IDX + 1, sizeof(unsigned int),
754 if (!local_rqfpr || !local_rqfcr) {
761 cmp_rqfpr = RQFPR_IPV4 |RQFPR_TCP;
764 cmp_rqfpr = RQFPR_IPV4 |RQFPR_UDP;
767 cmp_rqfpr = RQFPR_IPV6 |RQFPR_TCP;
770 cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP;
773 netdev_err(priv->ndev,
774 "Right now this class is not supported\n");
779 for (i = 0; i < MAX_FILER_IDX + 1; i++) {
780 local_rqfpr[j] = priv->ftp_rqfpr[i];
781 local_rqfcr[j] = priv->ftp_rqfcr[i];
783 if ((priv->ftp_rqfcr[i] ==
784 (RQFCR_PID_PARSE | RQFCR_CLE | RQFCR_AND)) &&
785 (priv->ftp_rqfpr[i] == cmp_rqfpr))
789 if (i == MAX_FILER_IDX + 1) {
790 netdev_err(priv->ndev,
791 "No parse rule found, can't create hash rules\n");
796 /* If a match was found, then it begins the starting of a cluster rule
797 * if it was already programmed, we need to overwrite these rules
799 for (l = i+1; l < MAX_FILER_IDX; l++) {
800 if ((priv->ftp_rqfcr[l] & RQFCR_CLE) &&
801 !(priv->ftp_rqfcr[l] & RQFCR_AND)) {
802 priv->ftp_rqfcr[l] = RQFCR_CLE | RQFCR_CMP_EXACT |
803 RQFCR_HASHTBL_0 | RQFCR_PID_MASK;
804 priv->ftp_rqfpr[l] = FPR_FILER_MASK;
805 gfar_write_filer(priv, l, priv->ftp_rqfcr[l],
810 if (!(priv->ftp_rqfcr[l] & RQFCR_CLE) &&
811 (priv->ftp_rqfcr[l] & RQFCR_AND))
814 local_rqfpr[j] = priv->ftp_rqfpr[l];
815 local_rqfcr[j] = priv->ftp_rqfcr[l];
820 priv->cur_filer_idx = l - 1;
823 ethflow_to_filer_rules(priv, ethflow);
825 /* Write back the popped out rules again */
826 for (k = j+1; k < MAX_FILER_IDX; k++) {
827 priv->ftp_rqfpr[priv->cur_filer_idx] = local_rqfpr[k];
828 priv->ftp_rqfcr[priv->cur_filer_idx] = local_rqfcr[k];
829 gfar_write_filer(priv, priv->cur_filer_idx,
830 local_rqfcr[k], local_rqfpr[k]);
831 if (!priv->cur_filer_idx)
833 priv->cur_filer_idx = priv->cur_filer_idx - 1;
842 static int gfar_set_hash_opts(struct gfar_private *priv,
843 struct ethtool_rxnfc *cmd)
845 /* write the filer rules here */
846 if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type))
852 static int gfar_check_filer_hardware(struct gfar_private *priv)
854 struct gfar __iomem *regs = priv->gfargrp[0].regs;
857 /* Check if we are in FIFO mode */
858 i = gfar_read(®s->ecntrl);
860 if (i == ECNTRL_FIFM) {
861 netdev_notice(priv->ndev, "Interface in FIFO mode\n");
862 i = gfar_read(®s->rctrl);
863 i &= RCTRL_PRSDEP_MASK | RCTRL_PRSFM;
864 if (i == (RCTRL_PRSDEP_MASK | RCTRL_PRSFM)) {
865 netdev_info(priv->ndev,
866 "Receive Queue Filtering enabled\n");
868 netdev_warn(priv->ndev,
869 "Receive Queue Filtering disabled\n");
873 /* Or in standard mode */
875 i = gfar_read(®s->rctrl);
876 i &= RCTRL_PRSDEP_MASK;
877 if (i == RCTRL_PRSDEP_MASK) {
878 netdev_info(priv->ndev,
879 "Receive Queue Filtering enabled\n");
881 netdev_warn(priv->ndev,
882 "Receive Queue Filtering disabled\n");
887 /* Sets the properties for arbitrary filer rule
888 * to the first 4 Layer 4 Bytes
890 gfar_write(®s->rbifx, 0xC0C1C2C3);
894 /* Write a mask to filer cache */
895 static void gfar_set_mask(u32 mask, struct filer_table *tab)
897 tab->fe[tab->index].ctrl = RQFCR_AND | RQFCR_PID_MASK | RQFCR_CMP_EXACT;
898 tab->fe[tab->index].prop = mask;
902 /* Sets parse bits (e.g. IP or TCP) */
903 static void gfar_set_parse_bits(u32 value, u32 mask, struct filer_table *tab)
905 gfar_set_mask(mask, tab);
906 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_PID_PARSE |
908 tab->fe[tab->index].prop = value;
912 static void gfar_set_general_attribute(u32 value, u32 mask, u32 flag,
913 struct filer_table *tab)
915 gfar_set_mask(mask, tab);
916 tab->fe[tab->index].ctrl = RQFCR_CMP_EXACT | RQFCR_AND | flag;
917 tab->fe[tab->index].prop = value;
921 /* For setting a tuple of value and mask of type flag
923 * IP-Src = 10.0.0.0/255.0.0.0
924 * value: 0x0A000000 mask: FF000000 flag: RQFPR_IPV4
926 * Ethtool gives us a value=0 and mask=~0 for don't care a tuple
927 * For a don't care mask it gives us a 0
929 * The check if don't care and the mask adjustment if mask=0 is done for VLAN
930 * and MAC stuff on an upper level (due to missing information on this level).
931 * For these guys we can discard them if they are value=0 and mask=0.
933 * Further the all masks are one-padded for better hardware efficiency.
935 static void gfar_set_attribute(u32 value, u32 mask, u32 flag,
936 struct filer_table *tab)
943 mask |= RQFCR_PID_PRI_MASK;
948 if (!~(mask | RQFCR_PID_L4P_MASK))
953 mask |= RQFCR_PID_L4P_MASK;
959 mask |= RQFCR_PID_VID_MASK;
965 if (!~(mask | RQFCR_PID_PORT_MASK))
970 mask |= RQFCR_PID_PORT_MASK;
979 mask |= RQFCR_PID_MAC_MASK;
981 /* for all real 32bit masks */
989 gfar_set_general_attribute(value, mask, flag, tab);
992 /* Translates value and mask for UDP, TCP or SCTP */
993 static void gfar_set_basic_ip(struct ethtool_tcpip4_spec *value,
994 struct ethtool_tcpip4_spec *mask,
995 struct filer_table *tab)
997 gfar_set_attribute(be32_to_cpu(value->ip4src),
998 be32_to_cpu(mask->ip4src),
1000 gfar_set_attribute(be32_to_cpu(value->ip4dst),
1001 be32_to_cpu(mask->ip4dst),
1002 RQFCR_PID_DIA, tab);
1003 gfar_set_attribute(be16_to_cpu(value->pdst),
1004 be16_to_cpu(mask->pdst),
1005 RQFCR_PID_DPT, tab);
1006 gfar_set_attribute(be16_to_cpu(value->psrc),
1007 be16_to_cpu(mask->psrc),
1008 RQFCR_PID_SPT, tab);
1009 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
1012 /* Translates value and mask for RAW-IP4 */
1013 static void gfar_set_user_ip(struct ethtool_usrip4_spec *value,
1014 struct ethtool_usrip4_spec *mask,
1015 struct filer_table *tab)
1017 gfar_set_attribute(be32_to_cpu(value->ip4src),
1018 be32_to_cpu(mask->ip4src),
1019 RQFCR_PID_SIA, tab);
1020 gfar_set_attribute(be32_to_cpu(value->ip4dst),
1021 be32_to_cpu(mask->ip4dst),
1022 RQFCR_PID_DIA, tab);
1023 gfar_set_attribute(value->tos, mask->tos, RQFCR_PID_TOS, tab);
1024 gfar_set_attribute(value->proto, mask->proto, RQFCR_PID_L4P, tab);
1025 gfar_set_attribute(be32_to_cpu(value->l4_4_bytes),
1026 be32_to_cpu(mask->l4_4_bytes),
1027 RQFCR_PID_ARB, tab);
1031 /* Translates value and mask for ETHER spec */
1032 static void gfar_set_ether(struct ethhdr *value, struct ethhdr *mask,
1033 struct filer_table *tab)
1035 u32 upper_temp_mask = 0;
1036 u32 lower_temp_mask = 0;
1038 /* Source address */
1039 if (!is_broadcast_ether_addr(mask->h_source)) {
1040 if (is_zero_ether_addr(mask->h_source)) {
1041 upper_temp_mask = 0xFFFFFFFF;
1042 lower_temp_mask = 0xFFFFFFFF;
1044 upper_temp_mask = mask->h_source[0] << 16 |
1045 mask->h_source[1] << 8 |
1047 lower_temp_mask = mask->h_source[3] << 16 |
1048 mask->h_source[4] << 8 |
1052 gfar_set_attribute(value->h_source[0] << 16 |
1053 value->h_source[1] << 8 |
1055 upper_temp_mask, RQFCR_PID_SAH, tab);
1056 /* And the same for the lower part */
1057 gfar_set_attribute(value->h_source[3] << 16 |
1058 value->h_source[4] << 8 |
1060 lower_temp_mask, RQFCR_PID_SAL, tab);
1062 /* Destination address */
1063 if (!is_broadcast_ether_addr(mask->h_dest)) {
1064 /* Special for destination is limited broadcast */
1065 if ((is_broadcast_ether_addr(value->h_dest) &&
1066 is_zero_ether_addr(mask->h_dest))) {
1067 gfar_set_parse_bits(RQFPR_EBC, RQFPR_EBC, tab);
1069 if (is_zero_ether_addr(mask->h_dest)) {
1070 upper_temp_mask = 0xFFFFFFFF;
1071 lower_temp_mask = 0xFFFFFFFF;
1073 upper_temp_mask = mask->h_dest[0] << 16 |
1074 mask->h_dest[1] << 8 |
1076 lower_temp_mask = mask->h_dest[3] << 16 |
1077 mask->h_dest[4] << 8 |
1082 gfar_set_attribute(value->h_dest[0] << 16 |
1083 value->h_dest[1] << 8 |
1085 upper_temp_mask, RQFCR_PID_DAH, tab);
1086 /* And the same for the lower part */
1087 gfar_set_attribute(value->h_dest[3] << 16 |
1088 value->h_dest[4] << 8 |
1090 lower_temp_mask, RQFCR_PID_DAL, tab);
1094 gfar_set_attribute(be16_to_cpu(value->h_proto),
1095 be16_to_cpu(mask->h_proto),
1096 RQFCR_PID_ETY, tab);
1099 static inline u32 vlan_tci_vid(struct ethtool_rx_flow_spec *rule)
1101 return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_VID_MASK;
1104 static inline u32 vlan_tci_vidm(struct ethtool_rx_flow_spec *rule)
1106 return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_VID_MASK;
1109 static inline u32 vlan_tci_cfi(struct ethtool_rx_flow_spec *rule)
1111 return be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_CFI_MASK;
1114 static inline u32 vlan_tci_cfim(struct ethtool_rx_flow_spec *rule)
1116 return be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_CFI_MASK;
1119 static inline u32 vlan_tci_prio(struct ethtool_rx_flow_spec *rule)
1121 return (be16_to_cpu(rule->h_ext.vlan_tci) & VLAN_PRIO_MASK) >>
1125 static inline u32 vlan_tci_priom(struct ethtool_rx_flow_spec *rule)
1127 return (be16_to_cpu(rule->m_ext.vlan_tci) & VLAN_PRIO_MASK) >>
1131 /* Convert a rule to binary filter format of gianfar */
1132 static int gfar_convert_to_filer(struct ethtool_rx_flow_spec *rule,
1133 struct filer_table *tab)
1135 u32 vlan = 0, vlan_mask = 0;
1136 u32 id = 0, id_mask = 0;
1137 u32 cfi = 0, cfi_mask = 0;
1138 u32 prio = 0, prio_mask = 0;
1139 u32 old_index = tab->index;
1141 /* Check if vlan is wanted */
1142 if ((rule->flow_type & FLOW_EXT) &&
1143 (rule->m_ext.vlan_tci != cpu_to_be16(0xFFFF))) {
1144 if (!rule->m_ext.vlan_tci)
1145 rule->m_ext.vlan_tci = cpu_to_be16(0xFFFF);
1148 vlan_mask = RQFPR_VLN;
1150 /* Separate the fields */
1151 id = vlan_tci_vid(rule);
1152 id_mask = vlan_tci_vidm(rule);
1153 cfi = vlan_tci_cfi(rule);
1154 cfi_mask = vlan_tci_cfim(rule);
1155 prio = vlan_tci_prio(rule);
1156 prio_mask = vlan_tci_priom(rule);
1158 if (cfi == VLAN_TAG_PRESENT && cfi_mask == VLAN_TAG_PRESENT) {
1160 vlan_mask |= RQFPR_CFI;
1161 } else if (cfi != VLAN_TAG_PRESENT &&
1162 cfi_mask == VLAN_TAG_PRESENT) {
1163 vlan_mask |= RQFPR_CFI;
1167 switch (rule->flow_type & ~FLOW_EXT) {
1169 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_TCP | vlan,
1170 RQFPR_IPV4 | RQFPR_TCP | vlan_mask, tab);
1171 gfar_set_basic_ip(&rule->h_u.tcp_ip4_spec,
1172 &rule->m_u.tcp_ip4_spec, tab);
1175 gfar_set_parse_bits(RQFPR_IPV4 | RQFPR_UDP | vlan,
1176 RQFPR_IPV4 | RQFPR_UDP | vlan_mask, tab);
1177 gfar_set_basic_ip(&rule->h_u.udp_ip4_spec,
1178 &rule->m_u.udp_ip4_spec, tab);
1181 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1183 gfar_set_attribute(132, 0, RQFCR_PID_L4P, tab);
1184 gfar_set_basic_ip((struct ethtool_tcpip4_spec *)&rule->h_u,
1185 (struct ethtool_tcpip4_spec *)&rule->m_u,
1189 gfar_set_parse_bits(RQFPR_IPV4 | vlan, RQFPR_IPV4 | vlan_mask,
1191 gfar_set_user_ip((struct ethtool_usrip4_spec *) &rule->h_u,
1192 (struct ethtool_usrip4_spec *) &rule->m_u,
1197 gfar_set_parse_bits(vlan, vlan_mask, tab);
1198 gfar_set_ether((struct ethhdr *) &rule->h_u,
1199 (struct ethhdr *) &rule->m_u, tab);
1205 /* Set the vlan attributes in the end */
1207 gfar_set_attribute(id, id_mask, RQFCR_PID_VID, tab);
1208 gfar_set_attribute(prio, prio_mask, RQFCR_PID_PRI, tab);
1211 /* If there has been nothing written till now, it must be a default */
1212 if (tab->index == old_index) {
1213 gfar_set_mask(0xFFFFFFFF, tab);
1214 tab->fe[tab->index].ctrl = 0x20;
1215 tab->fe[tab->index].prop = 0x0;
1219 /* Remove last AND */
1220 tab->fe[tab->index - 1].ctrl &= (~RQFCR_AND);
1222 /* Specify which queue to use or to drop */
1223 if (rule->ring_cookie == RX_CLS_FLOW_DISC)
1224 tab->fe[tab->index - 1].ctrl |= RQFCR_RJE;
1226 tab->fe[tab->index - 1].ctrl |= (rule->ring_cookie << 10);
1228 /* Only big enough entries can be clustered */
1229 if (tab->index > (old_index + 2)) {
1230 tab->fe[old_index + 1].ctrl |= RQFCR_CLE;
1231 tab->fe[tab->index - 1].ctrl |= RQFCR_CLE;
1234 /* In rare cases the cache can be full while there is
1237 if (tab->index > MAX_FILER_CACHE_IDX - 1)
1243 /* Write the bit-pattern from software's buffer to hardware registers */
1244 static int gfar_write_filer_table(struct gfar_private *priv,
1245 struct filer_table *tab)
1248 if (tab->index > MAX_FILER_IDX - 1)
1251 /* Fill regular entries */
1252 for (; i < MAX_FILER_IDX && (tab->fe[i].ctrl | tab->fe[i].prop); i++)
1253 gfar_write_filer(priv, i, tab->fe[i].ctrl, tab->fe[i].prop);
1254 /* Fill the rest with fall-troughs */
1255 for (; i < MAX_FILER_IDX; i++)
1256 gfar_write_filer(priv, i, 0x60, 0xFFFFFFFF);
1257 /* Last entry must be default accept
1258 * because that's what people expect
1260 gfar_write_filer(priv, i, 0x20, 0x0);
1265 static int gfar_check_capability(struct ethtool_rx_flow_spec *flow,
1266 struct gfar_private *priv)
1269 if (flow->flow_type & FLOW_EXT) {
1270 if (~flow->m_ext.data[0] || ~flow->m_ext.data[1])
1271 netdev_warn(priv->ndev,
1272 "User-specific data not supported!\n");
1273 if (~flow->m_ext.vlan_etype)
1274 netdev_warn(priv->ndev,
1275 "VLAN-etype not supported!\n");
1277 if (flow->flow_type == IP_USER_FLOW)
1278 if (flow->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
1279 netdev_warn(priv->ndev,
1280 "IP-Version differing from IPv4 not supported!\n");
1285 static int gfar_process_filer_changes(struct gfar_private *priv)
1287 struct ethtool_flow_spec_container *j;
1288 struct filer_table *tab;
1291 /* So index is set to zero, too! */
1292 tab = kzalloc(sizeof(*tab), GFP_KERNEL);
1296 /* Now convert the existing filer data from flow_spec into
1297 * filer tables binary format
1299 list_for_each_entry(j, &priv->rx_list.list, list) {
1300 ret = gfar_convert_to_filer(&j->fs, tab);
1301 if (ret == -EBUSY) {
1302 netdev_err(priv->ndev,
1303 "Rule not added: No free space!\n");
1307 netdev_err(priv->ndev,
1308 "Rule not added: Unsupported Flow-type!\n");
1313 /* Write everything to hardware */
1314 ret = gfar_write_filer_table(priv, tab);
1315 if (ret == -EBUSY) {
1316 netdev_err(priv->ndev, "Rule not added: No free space!\n");
1325 static void gfar_invert_masks(struct ethtool_rx_flow_spec *flow)
1329 for (i = 0; i < sizeof(flow->m_u); i++)
1330 flow->m_u.hdata[i] ^= 0xFF;
1332 flow->m_ext.vlan_etype ^= cpu_to_be16(0xFFFF);
1333 flow->m_ext.vlan_tci ^= cpu_to_be16(0xFFFF);
1334 flow->m_ext.data[0] ^= cpu_to_be32(~0);
1335 flow->m_ext.data[1] ^= cpu_to_be32(~0);
1338 static int gfar_add_cls(struct gfar_private *priv,
1339 struct ethtool_rx_flow_spec *flow)
1341 struct ethtool_flow_spec_container *temp, *comp;
1344 temp = kmalloc(sizeof(*temp), GFP_KERNEL);
1347 memcpy(&temp->fs, flow, sizeof(temp->fs));
1349 gfar_invert_masks(&temp->fs);
1350 ret = gfar_check_capability(&temp->fs, priv);
1353 /* Link in the new element at the right @location */
1354 if (list_empty(&priv->rx_list.list)) {
1355 ret = gfar_check_filer_hardware(priv);
1358 list_add(&temp->list, &priv->rx_list.list);
1361 list_for_each_entry(comp, &priv->rx_list.list, list) {
1362 if (comp->fs.location > flow->location) {
1363 list_add_tail(&temp->list, &comp->list);
1366 if (comp->fs.location == flow->location) {
1367 netdev_err(priv->ndev,
1368 "Rule not added: ID %d not free!\n",
1374 list_add_tail(&temp->list, &priv->rx_list.list);
1378 priv->rx_list.count++;
1379 ret = gfar_process_filer_changes(priv);
1385 priv->rx_list.count--;
1386 list_del(&temp->list);
1392 static int gfar_del_cls(struct gfar_private *priv, u32 loc)
1394 struct ethtool_flow_spec_container *comp;
1397 if (list_empty(&priv->rx_list.list))
1400 list_for_each_entry(comp, &priv->rx_list.list, list) {
1401 if (comp->fs.location == loc) {
1402 list_del(&comp->list);
1404 priv->rx_list.count--;
1405 gfar_process_filer_changes(priv);
1414 static int gfar_get_cls(struct gfar_private *priv, struct ethtool_rxnfc *cmd)
1416 struct ethtool_flow_spec_container *comp;
1419 list_for_each_entry(comp, &priv->rx_list.list, list) {
1420 if (comp->fs.location == cmd->fs.location) {
1421 memcpy(&cmd->fs, &comp->fs, sizeof(cmd->fs));
1422 gfar_invert_masks(&cmd->fs);
1431 static int gfar_get_cls_all(struct gfar_private *priv,
1432 struct ethtool_rxnfc *cmd, u32 *rule_locs)
1434 struct ethtool_flow_spec_container *comp;
1437 list_for_each_entry(comp, &priv->rx_list.list, list) {
1438 if (i == cmd->rule_cnt)
1440 rule_locs[i] = comp->fs.location;
1444 cmd->data = MAX_FILER_IDX;
1450 static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1452 struct gfar_private *priv = netdev_priv(dev);
1455 if (test_bit(GFAR_RESETTING, &priv->state))
1458 mutex_lock(&priv->rx_queue_access);
1462 ret = gfar_set_hash_opts(priv, cmd);
1464 case ETHTOOL_SRXCLSRLINS:
1465 if ((cmd->fs.ring_cookie != RX_CLS_FLOW_DISC &&
1466 cmd->fs.ring_cookie >= priv->num_rx_queues) ||
1467 cmd->fs.location >= MAX_FILER_IDX) {
1471 ret = gfar_add_cls(priv, &cmd->fs);
1473 case ETHTOOL_SRXCLSRLDEL:
1474 ret = gfar_del_cls(priv, cmd->fs.location);
1480 mutex_unlock(&priv->rx_queue_access);
1485 static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1488 struct gfar_private *priv = netdev_priv(dev);
1492 case ETHTOOL_GRXRINGS:
1493 cmd->data = priv->num_rx_queues;
1495 case ETHTOOL_GRXCLSRLCNT:
1496 cmd->rule_cnt = priv->rx_list.count;
1498 case ETHTOOL_GRXCLSRULE:
1499 ret = gfar_get_cls(priv, cmd);
1501 case ETHTOOL_GRXCLSRLALL:
1502 ret = gfar_get_cls_all(priv, cmd, rule_locs);
1512 static int gfar_get_ts_info(struct net_device *dev,
1513 struct ethtool_ts_info *info)
1515 struct gfar_private *priv = netdev_priv(dev);
1516 struct platform_device *ptp_dev;
1517 struct device_node *ptp_node;
1518 struct qoriq_ptp *ptp = NULL;
1520 info->phc_index = -1;
1522 if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) {
1523 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
1524 SOF_TIMESTAMPING_SOFTWARE;
1528 ptp_node = of_find_compatible_node(NULL, NULL, "fsl,etsec-ptp");
1530 ptp_dev = of_find_device_by_node(ptp_node);
1532 ptp = platform_get_drvdata(ptp_dev);
1536 info->phc_index = ptp->phc_index;
1538 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
1539 SOF_TIMESTAMPING_RX_HARDWARE |
1540 SOF_TIMESTAMPING_RAW_HARDWARE;
1541 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1542 (1 << HWTSTAMP_TX_ON);
1543 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1544 (1 << HWTSTAMP_FILTER_ALL);
1548 const struct ethtool_ops gfar_ethtool_ops = {
1549 .get_drvinfo = gfar_gdrvinfo,
1550 .get_regs_len = gfar_reglen,
1551 .get_regs = gfar_get_regs,
1552 .get_link = ethtool_op_get_link,
1553 .get_coalesce = gfar_gcoalesce,
1554 .set_coalesce = gfar_scoalesce,
1555 .get_ringparam = gfar_gringparam,
1556 .set_ringparam = gfar_sringparam,
1557 .get_pauseparam = gfar_gpauseparam,
1558 .set_pauseparam = gfar_spauseparam,
1559 .get_strings = gfar_gstrings,
1560 .get_sset_count = gfar_sset_count,
1561 .get_ethtool_stats = gfar_fill_stats,
1562 .get_msglevel = gfar_get_msglevel,
1563 .set_msglevel = gfar_set_msglevel,
1565 .get_wol = gfar_get_wol,
1566 .set_wol = gfar_set_wol,
1568 .set_rxnfc = gfar_set_nfc,
1569 .get_rxnfc = gfar_get_nfc,
1570 .get_ts_info = gfar_get_ts_info,
1571 .get_link_ksettings = phy_ethtool_get_link_ksettings,
1572 .set_link_ksettings = phy_ethtool_set_link_ksettings,