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21#include <linux/etherdevice.h>
22#include <linux/ethtool.h>
23#include <linux/interrupt.h>
24#include <linux/mii.h>
25#include <linux/phy.h>
26#include <linux/net_tstamp.h>
27#include <asm/io.h>
28
29#include "stmmac.h"
30#include "dwmac_dma.h"
31
32#define REG_SPACE_SIZE 0x1060
33#define MAC100_ETHTOOL_NAME "st_mac100"
34#define GMAC_ETHTOOL_NAME "st_gmac"
35
36#define ETHTOOL_DMA_OFFSET 55
37
38struct stmmac_stats {
39 char stat_string[ETH_GSTRING_LEN];
40 int sizeof_stat;
41 int stat_offset;
42};
43
44#define STMMAC_STAT(m) \
45 { #m, FIELD_SIZEOF(struct stmmac_extra_stats, m), \
46 offsetof(struct stmmac_priv, xstats.m)}
47
48static const struct stmmac_stats stmmac_gstrings_stats[] = {
49
50 STMMAC_STAT(tx_underflow),
51 STMMAC_STAT(tx_carrier),
52 STMMAC_STAT(tx_losscarrier),
53 STMMAC_STAT(vlan_tag),
54 STMMAC_STAT(tx_deferred),
55 STMMAC_STAT(tx_vlan),
56 STMMAC_STAT(tx_jabber),
57 STMMAC_STAT(tx_frame_flushed),
58 STMMAC_STAT(tx_payload_error),
59 STMMAC_STAT(tx_ip_header_error),
60
61 STMMAC_STAT(rx_desc),
62 STMMAC_STAT(sa_filter_fail),
63 STMMAC_STAT(overflow_error),
64 STMMAC_STAT(ipc_csum_error),
65 STMMAC_STAT(rx_collision),
66 STMMAC_STAT(rx_crc_errors),
67 STMMAC_STAT(dribbling_bit),
68 STMMAC_STAT(rx_length),
69 STMMAC_STAT(rx_mii),
70 STMMAC_STAT(rx_multicast),
71 STMMAC_STAT(rx_gmac_overflow),
72 STMMAC_STAT(rx_watchdog),
73 STMMAC_STAT(da_rx_filter_fail),
74 STMMAC_STAT(sa_rx_filter_fail),
75 STMMAC_STAT(rx_missed_cntr),
76 STMMAC_STAT(rx_overflow_cntr),
77 STMMAC_STAT(rx_vlan),
78
79 STMMAC_STAT(tx_undeflow_irq),
80 STMMAC_STAT(tx_process_stopped_irq),
81 STMMAC_STAT(tx_jabber_irq),
82 STMMAC_STAT(rx_overflow_irq),
83 STMMAC_STAT(rx_buf_unav_irq),
84 STMMAC_STAT(rx_process_stopped_irq),
85 STMMAC_STAT(rx_watchdog_irq),
86 STMMAC_STAT(tx_early_irq),
87 STMMAC_STAT(fatal_bus_error_irq),
88
89 STMMAC_STAT(rx_early_irq),
90 STMMAC_STAT(threshold),
91 STMMAC_STAT(tx_pkt_n),
92 STMMAC_STAT(rx_pkt_n),
93 STMMAC_STAT(normal_irq_n),
94 STMMAC_STAT(rx_normal_irq_n),
95 STMMAC_STAT(napi_poll),
96 STMMAC_STAT(tx_normal_irq_n),
97 STMMAC_STAT(tx_clean),
98 STMMAC_STAT(tx_set_ic_bit),
99 STMMAC_STAT(irq_receive_pmt_irq_n),
100
101 STMMAC_STAT(mmc_tx_irq_n),
102 STMMAC_STAT(mmc_rx_irq_n),
103 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
104
105 STMMAC_STAT(irq_tx_path_in_lpi_mode_n),
106 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n),
107 STMMAC_STAT(irq_rx_path_in_lpi_mode_n),
108 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n),
109 STMMAC_STAT(phy_eee_wakeup_error_n),
110
111 STMMAC_STAT(ip_hdr_err),
112 STMMAC_STAT(ip_payload_err),
113 STMMAC_STAT(ip_csum_bypassed),
114 STMMAC_STAT(ipv4_pkt_rcvd),
115 STMMAC_STAT(ipv6_pkt_rcvd),
116 STMMAC_STAT(no_ptp_rx_msg_type_ext),
117 STMMAC_STAT(ptp_rx_msg_type_sync),
118 STMMAC_STAT(ptp_rx_msg_type_follow_up),
119 STMMAC_STAT(ptp_rx_msg_type_delay_req),
120 STMMAC_STAT(ptp_rx_msg_type_delay_resp),
121 STMMAC_STAT(ptp_rx_msg_type_pdelay_req),
122 STMMAC_STAT(ptp_rx_msg_type_pdelay_resp),
123 STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up),
124 STMMAC_STAT(ptp_rx_msg_type_announce),
125 STMMAC_STAT(ptp_rx_msg_type_management),
126 STMMAC_STAT(ptp_rx_msg_pkt_reserved_type),
127 STMMAC_STAT(ptp_frame_type),
128 STMMAC_STAT(ptp_ver),
129 STMMAC_STAT(timestamp_dropped),
130 STMMAC_STAT(av_pkt_rcvd),
131 STMMAC_STAT(av_tagged_pkt_rcvd),
132 STMMAC_STAT(vlan_tag_priority_val),
133 STMMAC_STAT(l3_filter_match),
134 STMMAC_STAT(l4_filter_match),
135 STMMAC_STAT(l3_l4_filter_no_match),
136
137 STMMAC_STAT(irq_pcs_ane_n),
138 STMMAC_STAT(irq_pcs_link_n),
139 STMMAC_STAT(irq_rgmii_n),
140
141 STMMAC_STAT(mtl_tx_status_fifo_full),
142 STMMAC_STAT(mtl_tx_fifo_not_empty),
143 STMMAC_STAT(mmtl_fifo_ctrl),
144 STMMAC_STAT(mtl_tx_fifo_read_ctrl_write),
145 STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait),
146 STMMAC_STAT(mtl_tx_fifo_read_ctrl_read),
147 STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle),
148 STMMAC_STAT(mac_tx_in_pause),
149 STMMAC_STAT(mac_tx_frame_ctrl_xfer),
150 STMMAC_STAT(mac_tx_frame_ctrl_idle),
151 STMMAC_STAT(mac_tx_frame_ctrl_wait),
152 STMMAC_STAT(mac_tx_frame_ctrl_pause),
153 STMMAC_STAT(mac_gmii_tx_proto_engine),
154 STMMAC_STAT(mtl_rx_fifo_fill_level_full),
155 STMMAC_STAT(mtl_rx_fifo_fill_above_thresh),
156 STMMAC_STAT(mtl_rx_fifo_fill_below_thresh),
157 STMMAC_STAT(mtl_rx_fifo_fill_level_empty),
158 STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush),
159 STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data),
160 STMMAC_STAT(mtl_rx_fifo_read_ctrl_status),
161 STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle),
162 STMMAC_STAT(mtl_rx_fifo_ctrl_active),
163 STMMAC_STAT(mac_rx_frame_ctrl_fifo),
164 STMMAC_STAT(mac_gmii_rx_proto_engine),
165
166 STMMAC_STAT(tx_tso_frames),
167 STMMAC_STAT(tx_tso_nfrags),
168};
169#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
170
171
172#define STMMAC_MMC_STAT(m) \
173 { #m, FIELD_SIZEOF(struct stmmac_counters, m), \
174 offsetof(struct stmmac_priv, mmc.m)}
175
176static const struct stmmac_stats stmmac_mmc[] = {
177 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
178 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
179 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
180 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
181 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
182 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
183 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
184 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
185 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
186 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
187 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
188 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
189 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
190 STMMAC_MMC_STAT(mmc_tx_underflow_error),
191 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
192 STMMAC_MMC_STAT(mmc_tx_multicol_g),
193 STMMAC_MMC_STAT(mmc_tx_deferred),
194 STMMAC_MMC_STAT(mmc_tx_latecol),
195 STMMAC_MMC_STAT(mmc_tx_exesscol),
196 STMMAC_MMC_STAT(mmc_tx_carrier_error),
197 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
198 STMMAC_MMC_STAT(mmc_tx_framecount_g),
199 STMMAC_MMC_STAT(mmc_tx_excessdef),
200 STMMAC_MMC_STAT(mmc_tx_pause_frame),
201 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
202 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
203 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
204 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
205 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
206 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
207 STMMAC_MMC_STAT(mmc_rx_crc_error),
208 STMMAC_MMC_STAT(mmc_rx_align_error),
209 STMMAC_MMC_STAT(mmc_rx_run_error),
210 STMMAC_MMC_STAT(mmc_rx_jabber_error),
211 STMMAC_MMC_STAT(mmc_rx_undersize_g),
212 STMMAC_MMC_STAT(mmc_rx_oversize_g),
213 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
214 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
215 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
216 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
217 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
218 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
219 STMMAC_MMC_STAT(mmc_rx_unicast_g),
220 STMMAC_MMC_STAT(mmc_rx_length_error),
221 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
222 STMMAC_MMC_STAT(mmc_rx_pause_frames),
223 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
224 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
225 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
226 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
227 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
228 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
229 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
230 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
231 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
232 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
233 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
234 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
235 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
236 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
237 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
238 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
239 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
240 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
241 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
242 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
243 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
244 STMMAC_MMC_STAT(mmc_rx_udp_gd),
245 STMMAC_MMC_STAT(mmc_rx_udp_err),
246 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
247 STMMAC_MMC_STAT(mmc_rx_tcp_err),
248 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
249 STMMAC_MMC_STAT(mmc_rx_icmp_err),
250 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
251 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
252 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
253 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
254 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
255 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
256};
257#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
258
259static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
260 struct ethtool_drvinfo *info)
261{
262 struct stmmac_priv *priv = netdev_priv(dev);
263
264 if (priv->plat->has_gmac || priv->plat->has_gmac4)
265 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
266 else
267 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
268 sizeof(info->driver));
269
270 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
271}
272
273static int stmmac_ethtool_get_link_ksettings(struct net_device *dev,
274 struct ethtool_link_ksettings *cmd)
275{
276 struct stmmac_priv *priv = netdev_priv(dev);
277 struct phy_device *phy = dev->phydev;
278
279 if (priv->hw->pcs & STMMAC_PCS_RGMII ||
280 priv->hw->pcs & STMMAC_PCS_SGMII) {
281 struct rgmii_adv adv;
282 u32 supported, advertising, lp_advertising;
283
284 if (!priv->xstats.pcs_link) {
285 cmd->base.speed = SPEED_UNKNOWN;
286 cmd->base.duplex = DUPLEX_UNKNOWN;
287 return 0;
288 }
289 cmd->base.duplex = priv->xstats.pcs_duplex;
290
291 cmd->base.speed = priv->xstats.pcs_speed;
292
293
294 if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv))
295 return -EOPNOTSUPP;
296
297
298
299 ethtool_convert_link_mode_to_legacy_u32(
300 &supported, cmd->link_modes.supported);
301 ethtool_convert_link_mode_to_legacy_u32(
302 &advertising, cmd->link_modes.advertising);
303 ethtool_convert_link_mode_to_legacy_u32(
304 &lp_advertising, cmd->link_modes.lp_advertising);
305
306 if (adv.pause & STMMAC_PCS_PAUSE)
307 advertising |= ADVERTISED_Pause;
308 if (adv.pause & STMMAC_PCS_ASYM_PAUSE)
309 advertising |= ADVERTISED_Asym_Pause;
310 if (adv.lp_pause & STMMAC_PCS_PAUSE)
311 lp_advertising |= ADVERTISED_Pause;
312 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE)
313 lp_advertising |= ADVERTISED_Asym_Pause;
314
315
316 cmd->base.autoneg = ADVERTISED_Autoneg;
317 supported |= SUPPORTED_Autoneg;
318 advertising |= ADVERTISED_Autoneg;
319 lp_advertising |= ADVERTISED_Autoneg;
320
321 if (adv.duplex) {
322 supported |= (SUPPORTED_1000baseT_Full |
323 SUPPORTED_100baseT_Full |
324 SUPPORTED_10baseT_Full);
325 advertising |= (ADVERTISED_1000baseT_Full |
326 ADVERTISED_100baseT_Full |
327 ADVERTISED_10baseT_Full);
328 } else {
329 supported |= (SUPPORTED_1000baseT_Half |
330 SUPPORTED_100baseT_Half |
331 SUPPORTED_10baseT_Half);
332 advertising |= (ADVERTISED_1000baseT_Half |
333 ADVERTISED_100baseT_Half |
334 ADVERTISED_10baseT_Half);
335 }
336 if (adv.lp_duplex)
337 lp_advertising |= (ADVERTISED_1000baseT_Full |
338 ADVERTISED_100baseT_Full |
339 ADVERTISED_10baseT_Full);
340 else
341 lp_advertising |= (ADVERTISED_1000baseT_Half |
342 ADVERTISED_100baseT_Half |
343 ADVERTISED_10baseT_Half);
344 cmd->base.port = PORT_OTHER;
345
346 ethtool_convert_legacy_u32_to_link_mode(
347 cmd->link_modes.supported, supported);
348 ethtool_convert_legacy_u32_to_link_mode(
349 cmd->link_modes.advertising, advertising);
350 ethtool_convert_legacy_u32_to_link_mode(
351 cmd->link_modes.lp_advertising, lp_advertising);
352
353 return 0;
354 }
355
356 if (phy == NULL) {
357 pr_err("%s: %s: PHY is not registered\n",
358 __func__, dev->name);
359 return -ENODEV;
360 }
361 if (!netif_running(dev)) {
362 pr_err("%s: interface is disabled: we cannot track "
363 "link speed / duplex setting\n", dev->name);
364 return -EBUSY;
365 }
366 phy_ethtool_ksettings_get(phy, cmd);
367 return 0;
368}
369
370static int
371stmmac_ethtool_set_link_ksettings(struct net_device *dev,
372 const struct ethtool_link_ksettings *cmd)
373{
374 struct stmmac_priv *priv = netdev_priv(dev);
375 struct phy_device *phy = dev->phydev;
376 int rc;
377
378 if (priv->hw->pcs & STMMAC_PCS_RGMII ||
379 priv->hw->pcs & STMMAC_PCS_SGMII) {
380 u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause;
381
382
383 if (cmd->base.autoneg != AUTONEG_ENABLE)
384 return -EINVAL;
385
386 mask &= (ADVERTISED_1000baseT_Half |
387 ADVERTISED_1000baseT_Full |
388 ADVERTISED_100baseT_Half |
389 ADVERTISED_100baseT_Full |
390 ADVERTISED_10baseT_Half |
391 ADVERTISED_10baseT_Full);
392
393 mutex_lock(&priv->lock);
394 stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0);
395 mutex_unlock(&priv->lock);
396
397 return 0;
398 }
399
400 rc = phy_ethtool_ksettings_set(phy, cmd);
401
402 return rc;
403}
404
405static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
406{
407 struct stmmac_priv *priv = netdev_priv(dev);
408 return priv->msg_enable;
409}
410
411static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
412{
413 struct stmmac_priv *priv = netdev_priv(dev);
414 priv->msg_enable = level;
415
416}
417
418static int stmmac_check_if_running(struct net_device *dev)
419{
420 if (!netif_running(dev))
421 return -EBUSY;
422 return 0;
423}
424
425static int stmmac_ethtool_get_regs_len(struct net_device *dev)
426{
427 return REG_SPACE_SIZE;
428}
429
430static void stmmac_ethtool_gregs(struct net_device *dev,
431 struct ethtool_regs *regs, void *space)
432{
433 u32 *reg_space = (u32 *) space;
434
435 struct stmmac_priv *priv = netdev_priv(dev);
436
437 memset(reg_space, 0x0, REG_SPACE_SIZE);
438
439 stmmac_dump_mac_regs(priv, priv->hw, reg_space);
440 stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space);
441
442 memcpy(®_space[ETHTOOL_DMA_OFFSET], ®_space[DMA_BUS_MODE / 4],
443 NUM_DWMAC1000_DMA_REGS * 4);
444}
445
446static void
447stmmac_get_pauseparam(struct net_device *netdev,
448 struct ethtool_pauseparam *pause)
449{
450 struct stmmac_priv *priv = netdev_priv(netdev);
451 struct rgmii_adv adv_lp;
452
453 pause->rx_pause = 0;
454 pause->tx_pause = 0;
455
456 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
457 pause->autoneg = 1;
458 if (!adv_lp.pause)
459 return;
460 } else {
461 if (!(netdev->phydev->supported & SUPPORTED_Pause) ||
462 !(netdev->phydev->supported & SUPPORTED_Asym_Pause))
463 return;
464 }
465
466 pause->autoneg = netdev->phydev->autoneg;
467
468 if (priv->flow_ctrl & FLOW_RX)
469 pause->rx_pause = 1;
470 if (priv->flow_ctrl & FLOW_TX)
471 pause->tx_pause = 1;
472
473}
474
475static int
476stmmac_set_pauseparam(struct net_device *netdev,
477 struct ethtool_pauseparam *pause)
478{
479 struct stmmac_priv *priv = netdev_priv(netdev);
480 u32 tx_cnt = priv->plat->tx_queues_to_use;
481 struct phy_device *phy = netdev->phydev;
482 int new_pause = FLOW_OFF;
483 struct rgmii_adv adv_lp;
484
485 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
486 pause->autoneg = 1;
487 if (!adv_lp.pause)
488 return -EOPNOTSUPP;
489 } else {
490 if (!(phy->supported & SUPPORTED_Pause) ||
491 !(phy->supported & SUPPORTED_Asym_Pause))
492 return -EOPNOTSUPP;
493 }
494
495 if (pause->rx_pause)
496 new_pause |= FLOW_RX;
497 if (pause->tx_pause)
498 new_pause |= FLOW_TX;
499
500 priv->flow_ctrl = new_pause;
501 phy->autoneg = pause->autoneg;
502
503 if (phy->autoneg) {
504 if (netif_running(netdev))
505 return phy_start_aneg(phy);
506 }
507
508 stmmac_flow_ctrl(priv, priv->hw, phy->duplex, priv->flow_ctrl,
509 priv->pause, tx_cnt);
510 return 0;
511}
512
513static void stmmac_get_ethtool_stats(struct net_device *dev,
514 struct ethtool_stats *dummy, u64 *data)
515{
516 struct stmmac_priv *priv = netdev_priv(dev);
517 u32 rx_queues_count = priv->plat->rx_queues_to_use;
518 u32 tx_queues_count = priv->plat->tx_queues_to_use;
519 unsigned long count;
520 int i, j = 0, ret;
521
522 if (priv->dma_cap.asp) {
523 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
524 if (!stmmac_safety_feat_dump(priv, &priv->sstats, i,
525 &count, NULL))
526 data[j++] = count;
527 }
528 }
529
530
531 ret = stmmac_dma_diagnostic_fr(priv, &dev->stats, (void *) &priv->xstats,
532 priv->ioaddr);
533 if (ret) {
534
535 if (priv->dma_cap.rmon) {
536 dwmac_mmc_read(priv->mmcaddr, &priv->mmc);
537
538 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
539 char *p;
540 p = (char *)priv + stmmac_mmc[i].stat_offset;
541
542 data[j++] = (stmmac_mmc[i].sizeof_stat ==
543 sizeof(u64)) ? (*(u64 *)p) :
544 (*(u32 *)p);
545 }
546 }
547 if (priv->eee_enabled) {
548 int val = phy_get_eee_err(dev->phydev);
549 if (val)
550 priv->xstats.phy_eee_wakeup_error_n = val;
551 }
552
553 if (priv->synopsys_id >= DWMAC_CORE_3_50)
554 stmmac_mac_debug(priv, priv->ioaddr,
555 (void *)&priv->xstats,
556 rx_queues_count, tx_queues_count);
557 }
558 for (i = 0; i < STMMAC_STATS_LEN; i++) {
559 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
560 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat ==
561 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
562 }
563}
564
565static int stmmac_get_sset_count(struct net_device *netdev, int sset)
566{
567 struct stmmac_priv *priv = netdev_priv(netdev);
568 int i, len, safety_len = 0;
569
570 switch (sset) {
571 case ETH_SS_STATS:
572 len = STMMAC_STATS_LEN;
573
574 if (priv->dma_cap.rmon)
575 len += STMMAC_MMC_STATS_LEN;
576 if (priv->dma_cap.asp) {
577 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
578 if (!stmmac_safety_feat_dump(priv,
579 &priv->sstats, i,
580 NULL, NULL))
581 safety_len++;
582 }
583
584 len += safety_len;
585 }
586
587 return len;
588 default:
589 return -EOPNOTSUPP;
590 }
591}
592
593static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
594{
595 int i;
596 u8 *p = data;
597 struct stmmac_priv *priv = netdev_priv(dev);
598
599 switch (stringset) {
600 case ETH_SS_STATS:
601 if (priv->dma_cap.asp) {
602 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
603 const char *desc;
604 if (!stmmac_safety_feat_dump(priv,
605 &priv->sstats, i,
606 NULL, &desc)) {
607 memcpy(p, desc, ETH_GSTRING_LEN);
608 p += ETH_GSTRING_LEN;
609 }
610 }
611 }
612 if (priv->dma_cap.rmon)
613 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
614 memcpy(p, stmmac_mmc[i].stat_string,
615 ETH_GSTRING_LEN);
616 p += ETH_GSTRING_LEN;
617 }
618 for (i = 0; i < STMMAC_STATS_LEN; i++) {
619 memcpy(p, stmmac_gstrings_stats[i].stat_string,
620 ETH_GSTRING_LEN);
621 p += ETH_GSTRING_LEN;
622 }
623 break;
624 default:
625 WARN_ON(1);
626 break;
627 }
628}
629
630
631static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
632{
633 struct stmmac_priv *priv = netdev_priv(dev);
634
635 mutex_lock(&priv->lock);
636 if (device_can_wakeup(priv->device)) {
637 wol->supported = WAKE_MAGIC | WAKE_UCAST;
638 wol->wolopts = priv->wolopts;
639 }
640 mutex_unlock(&priv->lock);
641}
642
643static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
644{
645 struct stmmac_priv *priv = netdev_priv(dev);
646 u32 support = WAKE_MAGIC | WAKE_UCAST;
647
648
649
650
651 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
652 wol->wolopts &= ~WAKE_MAGIC;
653
654 if (!device_can_wakeup(priv->device))
655 return -EINVAL;
656
657 if (wol->wolopts & ~support)
658 return -EINVAL;
659
660 if (wol->wolopts) {
661 pr_info("stmmac: wakeup enable\n");
662 device_set_wakeup_enable(priv->device, 1);
663 enable_irq_wake(priv->wol_irq);
664 } else {
665 device_set_wakeup_enable(priv->device, 0);
666 disable_irq_wake(priv->wol_irq);
667 }
668
669 mutex_lock(&priv->lock);
670 priv->wolopts = wol->wolopts;
671 mutex_unlock(&priv->lock);
672
673 return 0;
674}
675
676static int stmmac_ethtool_op_get_eee(struct net_device *dev,
677 struct ethtool_eee *edata)
678{
679 struct stmmac_priv *priv = netdev_priv(dev);
680
681 if (!priv->dma_cap.eee)
682 return -EOPNOTSUPP;
683
684 edata->eee_enabled = priv->eee_enabled;
685 edata->eee_active = priv->eee_active;
686 edata->tx_lpi_timer = priv->tx_lpi_timer;
687
688 return phy_ethtool_get_eee(dev->phydev, edata);
689}
690
691static int stmmac_ethtool_op_set_eee(struct net_device *dev,
692 struct ethtool_eee *edata)
693{
694 struct stmmac_priv *priv = netdev_priv(dev);
695
696 priv->eee_enabled = edata->eee_enabled;
697
698 if (!priv->eee_enabled)
699 stmmac_disable_eee_mode(priv);
700 else {
701
702
703
704
705 priv->eee_enabled = stmmac_eee_init(priv);
706 if (!priv->eee_enabled)
707 return -EOPNOTSUPP;
708
709
710 priv->tx_lpi_timer = edata->tx_lpi_timer;
711 }
712
713 return phy_ethtool_set_eee(dev->phydev, edata);
714}
715
716static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
717{
718 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
719
720 if (!clk)
721 return 0;
722
723 return (usec * (clk / 1000000)) / 256;
724}
725
726static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
727{
728 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
729
730 if (!clk)
731 return 0;
732
733 return (riwt * 256) / (clk / 1000000);
734}
735
736static int stmmac_get_coalesce(struct net_device *dev,
737 struct ethtool_coalesce *ec)
738{
739 struct stmmac_priv *priv = netdev_priv(dev);
740
741 ec->tx_coalesce_usecs = priv->tx_coal_timer;
742 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
743
744 if (priv->use_riwt)
745 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
746
747 return 0;
748}
749
750static int stmmac_set_coalesce(struct net_device *dev,
751 struct ethtool_coalesce *ec)
752{
753 struct stmmac_priv *priv = netdev_priv(dev);
754 u32 rx_cnt = priv->plat->rx_queues_to_use;
755 unsigned int rx_riwt;
756
757
758 if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) ||
759 (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
760 (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
761 (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) ||
762 (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) ||
763 (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) ||
764 (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) ||
765 (ec->rx_max_coalesced_frames_high) ||
766 (ec->tx_max_coalesced_frames_irq) ||
767 (ec->stats_block_coalesce_usecs) ||
768 (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval))
769 return -EOPNOTSUPP;
770
771 if (ec->rx_coalesce_usecs == 0)
772 return -EINVAL;
773
774 if ((ec->tx_coalesce_usecs == 0) &&
775 (ec->tx_max_coalesced_frames == 0))
776 return -EINVAL;
777
778 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) ||
779 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
780 return -EINVAL;
781
782 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
783
784 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
785 return -EINVAL;
786 else if (!priv->use_riwt)
787 return -EOPNOTSUPP;
788
789
790 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
791 priv->tx_coal_timer = ec->tx_coalesce_usecs;
792 priv->rx_riwt = rx_riwt;
793 stmmac_rx_watchdog(priv, priv->ioaddr, priv->rx_riwt, rx_cnt);
794
795 return 0;
796}
797
798static int stmmac_get_ts_info(struct net_device *dev,
799 struct ethtool_ts_info *info)
800{
801 struct stmmac_priv *priv = netdev_priv(dev);
802
803 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
804
805 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
806 SOF_TIMESTAMPING_TX_HARDWARE |
807 SOF_TIMESTAMPING_RX_SOFTWARE |
808 SOF_TIMESTAMPING_RX_HARDWARE |
809 SOF_TIMESTAMPING_SOFTWARE |
810 SOF_TIMESTAMPING_RAW_HARDWARE;
811
812 if (priv->ptp_clock)
813 info->phc_index = ptp_clock_index(priv->ptp_clock);
814
815 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
816
817 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
818 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
819 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
820 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
821 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
822 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
823 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
824 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
825 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
826 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
827 (1 << HWTSTAMP_FILTER_ALL));
828 return 0;
829 } else
830 return ethtool_op_get_ts_info(dev, info);
831}
832
833static int stmmac_get_tunable(struct net_device *dev,
834 const struct ethtool_tunable *tuna, void *data)
835{
836 struct stmmac_priv *priv = netdev_priv(dev);
837 int ret = 0;
838
839 switch (tuna->id) {
840 case ETHTOOL_RX_COPYBREAK:
841 *(u32 *)data = priv->rx_copybreak;
842 break;
843 default:
844 ret = -EINVAL;
845 break;
846 }
847
848 return ret;
849}
850
851static int stmmac_set_tunable(struct net_device *dev,
852 const struct ethtool_tunable *tuna,
853 const void *data)
854{
855 struct stmmac_priv *priv = netdev_priv(dev);
856 int ret = 0;
857
858 switch (tuna->id) {
859 case ETHTOOL_RX_COPYBREAK:
860 priv->rx_copybreak = *(u32 *)data;
861 break;
862 default:
863 ret = -EINVAL;
864 break;
865 }
866
867 return ret;
868}
869
870static const struct ethtool_ops stmmac_ethtool_ops = {
871 .begin = stmmac_check_if_running,
872 .get_drvinfo = stmmac_ethtool_getdrvinfo,
873 .get_msglevel = stmmac_ethtool_getmsglevel,
874 .set_msglevel = stmmac_ethtool_setmsglevel,
875 .get_regs = stmmac_ethtool_gregs,
876 .get_regs_len = stmmac_ethtool_get_regs_len,
877 .get_link = ethtool_op_get_link,
878 .nway_reset = phy_ethtool_nway_reset,
879 .get_pauseparam = stmmac_get_pauseparam,
880 .set_pauseparam = stmmac_set_pauseparam,
881 .get_ethtool_stats = stmmac_get_ethtool_stats,
882 .get_strings = stmmac_get_strings,
883 .get_wol = stmmac_get_wol,
884 .set_wol = stmmac_set_wol,
885 .get_eee = stmmac_ethtool_op_get_eee,
886 .set_eee = stmmac_ethtool_op_set_eee,
887 .get_sset_count = stmmac_get_sset_count,
888 .get_ts_info = stmmac_get_ts_info,
889 .get_coalesce = stmmac_get_coalesce,
890 .set_coalesce = stmmac_set_coalesce,
891 .get_tunable = stmmac_get_tunable,
892 .set_tunable = stmmac_set_tunable,
893 .get_link_ksettings = stmmac_ethtool_get_link_ksettings,
894 .set_link_ksettings = stmmac_ethtool_set_link_ksettings,
895};
896
897void stmmac_set_ethtool_ops(struct net_device *netdev)
898{
899 netdev->ethtool_ops = &stmmac_ethtool_ops;
900}
901
