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25#include <linux/etherdevice.h>
26#include <linux/ethtool.h>
27#include <linux/interrupt.h>
28#include <linux/mii.h>
29#include <linux/phy.h>
30#include <linux/net_tstamp.h>
31#include <asm/io.h>
32
33#include "stmmac.h"
34#include "dwmac_dma.h"
35
36#define REG_SPACE_SIZE 0x1054
37#define MAC100_ETHTOOL_NAME "st_mac100"
38#define GMAC_ETHTOOL_NAME "st_gmac"
39
40struct stmmac_stats {
41 char stat_string[ETH_GSTRING_LEN];
42 int sizeof_stat;
43 int stat_offset;
44};
45
46#define STMMAC_STAT(m) \
47 { #m, FIELD_SIZEOF(struct stmmac_extra_stats, m), \
48 offsetof(struct stmmac_priv, xstats.m)}
49
50static const struct stmmac_stats stmmac_gstrings_stats[] = {
51
52 STMMAC_STAT(tx_underflow),
53 STMMAC_STAT(tx_carrier),
54 STMMAC_STAT(tx_losscarrier),
55 STMMAC_STAT(vlan_tag),
56 STMMAC_STAT(tx_deferred),
57 STMMAC_STAT(tx_vlan),
58 STMMAC_STAT(tx_jabber),
59 STMMAC_STAT(tx_frame_flushed),
60 STMMAC_STAT(tx_payload_error),
61 STMMAC_STAT(tx_ip_header_error),
62
63 STMMAC_STAT(rx_desc),
64 STMMAC_STAT(sa_filter_fail),
65 STMMAC_STAT(overflow_error),
66 STMMAC_STAT(ipc_csum_error),
67 STMMAC_STAT(rx_collision),
68 STMMAC_STAT(rx_crc),
69 STMMAC_STAT(dribbling_bit),
70 STMMAC_STAT(rx_length),
71 STMMAC_STAT(rx_mii),
72 STMMAC_STAT(rx_multicast),
73 STMMAC_STAT(rx_gmac_overflow),
74 STMMAC_STAT(rx_watchdog),
75 STMMAC_STAT(da_rx_filter_fail),
76 STMMAC_STAT(sa_rx_filter_fail),
77 STMMAC_STAT(rx_missed_cntr),
78 STMMAC_STAT(rx_overflow_cntr),
79 STMMAC_STAT(rx_vlan),
80
81 STMMAC_STAT(tx_undeflow_irq),
82 STMMAC_STAT(tx_process_stopped_irq),
83 STMMAC_STAT(tx_jabber_irq),
84 STMMAC_STAT(rx_overflow_irq),
85 STMMAC_STAT(rx_buf_unav_irq),
86 STMMAC_STAT(rx_process_stopped_irq),
87 STMMAC_STAT(rx_watchdog_irq),
88 STMMAC_STAT(tx_early_irq),
89 STMMAC_STAT(fatal_bus_error_irq),
90
91 STMMAC_STAT(rx_early_irq),
92 STMMAC_STAT(threshold),
93 STMMAC_STAT(tx_pkt_n),
94 STMMAC_STAT(rx_pkt_n),
95 STMMAC_STAT(normal_irq_n),
96 STMMAC_STAT(rx_normal_irq_n),
97 STMMAC_STAT(napi_poll),
98 STMMAC_STAT(tx_normal_irq_n),
99 STMMAC_STAT(tx_clean),
100 STMMAC_STAT(tx_set_ic_bit),
101 STMMAC_STAT(irq_receive_pmt_irq_n),
102
103 STMMAC_STAT(mmc_tx_irq_n),
104 STMMAC_STAT(mmc_rx_irq_n),
105 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
106
107 STMMAC_STAT(irq_tx_path_in_lpi_mode_n),
108 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n),
109 STMMAC_STAT(irq_rx_path_in_lpi_mode_n),
110 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n),
111 STMMAC_STAT(phy_eee_wakeup_error_n),
112
113 STMMAC_STAT(ip_hdr_err),
114 STMMAC_STAT(ip_payload_err),
115 STMMAC_STAT(ip_csum_bypassed),
116 STMMAC_STAT(ipv4_pkt_rcvd),
117 STMMAC_STAT(ipv6_pkt_rcvd),
118 STMMAC_STAT(rx_msg_type_ext_no_ptp),
119 STMMAC_STAT(rx_msg_type_sync),
120 STMMAC_STAT(rx_msg_type_follow_up),
121 STMMAC_STAT(rx_msg_type_delay_req),
122 STMMAC_STAT(rx_msg_type_delay_resp),
123 STMMAC_STAT(rx_msg_type_pdelay_req),
124 STMMAC_STAT(rx_msg_type_pdelay_resp),
125 STMMAC_STAT(rx_msg_type_pdelay_follow_up),
126 STMMAC_STAT(ptp_frame_type),
127 STMMAC_STAT(ptp_ver),
128 STMMAC_STAT(timestamp_dropped),
129 STMMAC_STAT(av_pkt_rcvd),
130 STMMAC_STAT(av_tagged_pkt_rcvd),
131 STMMAC_STAT(vlan_tag_priority_val),
132 STMMAC_STAT(l3_filter_match),
133 STMMAC_STAT(l4_filter_match),
134 STMMAC_STAT(l3_l4_filter_no_match),
135
136 STMMAC_STAT(irq_pcs_ane_n),
137 STMMAC_STAT(irq_pcs_link_n),
138 STMMAC_STAT(irq_rgmii_n),
139
140 STMMAC_STAT(mtl_tx_status_fifo_full),
141 STMMAC_STAT(mtl_tx_fifo_not_empty),
142 STMMAC_STAT(mmtl_fifo_ctrl),
143 STMMAC_STAT(mtl_tx_fifo_read_ctrl_write),
144 STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait),
145 STMMAC_STAT(mtl_tx_fifo_read_ctrl_read),
146 STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle),
147 STMMAC_STAT(mac_tx_in_pause),
148 STMMAC_STAT(mac_tx_frame_ctrl_xfer),
149 STMMAC_STAT(mac_tx_frame_ctrl_idle),
150 STMMAC_STAT(mac_tx_frame_ctrl_wait),
151 STMMAC_STAT(mac_tx_frame_ctrl_pause),
152 STMMAC_STAT(mac_gmii_tx_proto_engine),
153 STMMAC_STAT(mtl_rx_fifo_fill_level_full),
154 STMMAC_STAT(mtl_rx_fifo_fill_above_thresh),
155 STMMAC_STAT(mtl_rx_fifo_fill_below_thresh),
156 STMMAC_STAT(mtl_rx_fifo_fill_level_empty),
157 STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush),
158 STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data),
159 STMMAC_STAT(mtl_rx_fifo_read_ctrl_status),
160 STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle),
161 STMMAC_STAT(mtl_rx_fifo_ctrl_active),
162 STMMAC_STAT(mac_rx_frame_ctrl_fifo),
163 STMMAC_STAT(mac_gmii_rx_proto_engine),
164};
165#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
166
167
168#define STMMAC_MMC_STAT(m) \
169 { #m, FIELD_SIZEOF(struct stmmac_counters, m), \
170 offsetof(struct stmmac_priv, mmc.m)}
171
172static const struct stmmac_stats stmmac_mmc[] = {
173 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
174 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
175 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
176 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
177 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
178 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
179 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
180 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
181 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
182 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
183 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
184 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
185 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
186 STMMAC_MMC_STAT(mmc_tx_underflow_error),
187 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
188 STMMAC_MMC_STAT(mmc_tx_multicol_g),
189 STMMAC_MMC_STAT(mmc_tx_deferred),
190 STMMAC_MMC_STAT(mmc_tx_latecol),
191 STMMAC_MMC_STAT(mmc_tx_exesscol),
192 STMMAC_MMC_STAT(mmc_tx_carrier_error),
193 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
194 STMMAC_MMC_STAT(mmc_tx_framecount_g),
195 STMMAC_MMC_STAT(mmc_tx_excessdef),
196 STMMAC_MMC_STAT(mmc_tx_pause_frame),
197 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
198 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
199 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
200 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
201 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
202 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
203 STMMAC_MMC_STAT(mmc_rx_crc_error),
204 STMMAC_MMC_STAT(mmc_rx_align_error),
205 STMMAC_MMC_STAT(mmc_rx_run_error),
206 STMMAC_MMC_STAT(mmc_rx_jabber_error),
207 STMMAC_MMC_STAT(mmc_rx_undersize_g),
208 STMMAC_MMC_STAT(mmc_rx_oversize_g),
209 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
210 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
211 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
212 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
213 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
214 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
215 STMMAC_MMC_STAT(mmc_rx_unicast_g),
216 STMMAC_MMC_STAT(mmc_rx_length_error),
217 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
218 STMMAC_MMC_STAT(mmc_rx_pause_frames),
219 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
220 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
221 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
222 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
223 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
224 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
225 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
226 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
227 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
228 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
229 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
230 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
231 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
232 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
233 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
234 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
235 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
236 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
237 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
238 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
239 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
240 STMMAC_MMC_STAT(mmc_rx_udp_gd),
241 STMMAC_MMC_STAT(mmc_rx_udp_err),
242 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
243 STMMAC_MMC_STAT(mmc_rx_tcp_err),
244 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
245 STMMAC_MMC_STAT(mmc_rx_icmp_err),
246 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
247 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
248 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
249 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
250 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
251 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
252};
253#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
254
255static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
256 struct ethtool_drvinfo *info)
257{
258 struct stmmac_priv *priv = netdev_priv(dev);
259
260 if (priv->plat->has_gmac)
261 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
262 else
263 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
264 sizeof(info->driver));
265
266 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
267}
268
269static int stmmac_ethtool_getsettings(struct net_device *dev,
270 struct ethtool_cmd *cmd)
271{
272 struct stmmac_priv *priv = netdev_priv(dev);
273 struct phy_device *phy = priv->phydev;
274 int rc;
275
276 if ((priv->pcs & STMMAC_PCS_RGMII) || (priv->pcs & STMMAC_PCS_SGMII)) {
277 struct rgmii_adv adv;
278
279 if (!priv->xstats.pcs_link) {
280 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
281 cmd->duplex = DUPLEX_UNKNOWN;
282 return 0;
283 }
284 cmd->duplex = priv->xstats.pcs_duplex;
285
286 ethtool_cmd_speed_set(cmd, priv->xstats.pcs_speed);
287
288
289 if (!priv->hw->mac->get_adv)
290 return -EOPNOTSUPP;
291
292 priv->hw->mac->get_adv(priv->hw, &adv);
293
294
295
296 if (adv.pause & STMMAC_PCS_PAUSE)
297 cmd->advertising |= ADVERTISED_Pause;
298 if (adv.pause & STMMAC_PCS_ASYM_PAUSE)
299 cmd->advertising |= ADVERTISED_Asym_Pause;
300 if (adv.lp_pause & STMMAC_PCS_PAUSE)
301 cmd->lp_advertising |= ADVERTISED_Pause;
302 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE)
303 cmd->lp_advertising |= ADVERTISED_Asym_Pause;
304
305
306 cmd->autoneg = ADVERTISED_Autoneg;
307 cmd->supported |= SUPPORTED_Autoneg;
308 cmd->advertising |= ADVERTISED_Autoneg;
309 cmd->lp_advertising |= ADVERTISED_Autoneg;
310
311 if (adv.duplex) {
312 cmd->supported |= (SUPPORTED_1000baseT_Full |
313 SUPPORTED_100baseT_Full |
314 SUPPORTED_10baseT_Full);
315 cmd->advertising |= (ADVERTISED_1000baseT_Full |
316 ADVERTISED_100baseT_Full |
317 ADVERTISED_10baseT_Full);
318 } else {
319 cmd->supported |= (SUPPORTED_1000baseT_Half |
320 SUPPORTED_100baseT_Half |
321 SUPPORTED_10baseT_Half);
322 cmd->advertising |= (ADVERTISED_1000baseT_Half |
323 ADVERTISED_100baseT_Half |
324 ADVERTISED_10baseT_Half);
325 }
326 if (adv.lp_duplex)
327 cmd->lp_advertising |= (ADVERTISED_1000baseT_Full |
328 ADVERTISED_100baseT_Full |
329 ADVERTISED_10baseT_Full);
330 else
331 cmd->lp_advertising |= (ADVERTISED_1000baseT_Half |
332 ADVERTISED_100baseT_Half |
333 ADVERTISED_10baseT_Half);
334 cmd->port = PORT_OTHER;
335
336 return 0;
337 }
338
339 if (phy == NULL) {
340 pr_err("%s: %s: PHY is not registered\n",
341 __func__, dev->name);
342 return -ENODEV;
343 }
344 if (!netif_running(dev)) {
345 pr_err("%s: interface is disabled: we cannot track "
346 "link speed / duplex setting\n", dev->name);
347 return -EBUSY;
348 }
349 cmd->transceiver = XCVR_INTERNAL;
350 rc = phy_ethtool_gset(phy, cmd);
351 return rc;
352}
353
354static int stmmac_ethtool_setsettings(struct net_device *dev,
355 struct ethtool_cmd *cmd)
356{
357 struct stmmac_priv *priv = netdev_priv(dev);
358 struct phy_device *phy = priv->phydev;
359 int rc;
360
361 if ((priv->pcs & STMMAC_PCS_RGMII) || (priv->pcs & STMMAC_PCS_SGMII)) {
362 u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause;
363
364
365 if (cmd->autoneg != AUTONEG_ENABLE)
366 return -EINVAL;
367
368 mask &= (ADVERTISED_1000baseT_Half |
369 ADVERTISED_1000baseT_Full |
370 ADVERTISED_100baseT_Half |
371 ADVERTISED_100baseT_Full |
372 ADVERTISED_10baseT_Half |
373 ADVERTISED_10baseT_Full);
374
375 spin_lock(&priv->lock);
376 if (priv->hw->mac->ctrl_ane)
377 priv->hw->mac->ctrl_ane(priv->hw, 1);
378 spin_unlock(&priv->lock);
379
380 return 0;
381 }
382
383 spin_lock(&priv->lock);
384 rc = phy_ethtool_sset(phy, cmd);
385 spin_unlock(&priv->lock);
386
387 return rc;
388}
389
390static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
391{
392 struct stmmac_priv *priv = netdev_priv(dev);
393 return priv->msg_enable;
394}
395
396static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
397{
398 struct stmmac_priv *priv = netdev_priv(dev);
399 priv->msg_enable = level;
400
401}
402
403static int stmmac_check_if_running(struct net_device *dev)
404{
405 if (!netif_running(dev))
406 return -EBUSY;
407 return 0;
408}
409
410static int stmmac_ethtool_get_regs_len(struct net_device *dev)
411{
412 return REG_SPACE_SIZE;
413}
414
415static void stmmac_ethtool_gregs(struct net_device *dev,
416 struct ethtool_regs *regs, void *space)
417{
418 int i;
419 u32 *reg_space = (u32 *) space;
420
421 struct stmmac_priv *priv = netdev_priv(dev);
422
423 memset(reg_space, 0x0, REG_SPACE_SIZE);
424
425 if (!priv->plat->has_gmac) {
426
427 for (i = 0; i < 12; i++)
428 reg_space[i] = readl(priv->ioaddr + (i * 4));
429
430 for (i = 0; i < 9; i++)
431 reg_space[i + 12] =
432 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
433 reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
434 reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
435 } else {
436
437 for (i = 0; i < 55; i++)
438 reg_space[i] = readl(priv->ioaddr + (i * 4));
439
440 for (i = 0; i < 22; i++)
441 reg_space[i + 55] =
442 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
443 }
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
452 if (priv->pcs)
453 return;
454
455 pause->rx_pause = 0;
456 pause->tx_pause = 0;
457 pause->autoneg = priv->phydev->autoneg;
458
459 if (priv->flow_ctrl & FLOW_RX)
460 pause->rx_pause = 1;
461 if (priv->flow_ctrl & FLOW_TX)
462 pause->tx_pause = 1;
463
464}
465
466static int
467stmmac_set_pauseparam(struct net_device *netdev,
468 struct ethtool_pauseparam *pause)
469{
470 struct stmmac_priv *priv = netdev_priv(netdev);
471 struct phy_device *phy = priv->phydev;
472 int new_pause = FLOW_OFF;
473 int ret = 0;
474
475 if (priv->pcs)
476 return -EOPNOTSUPP;
477
478 if (pause->rx_pause)
479 new_pause |= FLOW_RX;
480 if (pause->tx_pause)
481 new_pause |= FLOW_TX;
482
483 priv->flow_ctrl = new_pause;
484 phy->autoneg = pause->autoneg;
485
486 if (phy->autoneg) {
487 if (netif_running(netdev))
488 ret = phy_start_aneg(phy);
489 } else
490 priv->hw->mac->flow_ctrl(priv->hw, phy->duplex,
491 priv->flow_ctrl, priv->pause);
492 return ret;
493}
494
495static void stmmac_get_ethtool_stats(struct net_device *dev,
496 struct ethtool_stats *dummy, u64 *data)
497{
498 struct stmmac_priv *priv = netdev_priv(dev);
499 int i, j = 0;
500
501
502 if (!priv->plat->has_gmac)
503 priv->hw->dma->dma_diagnostic_fr(&dev->stats,
504 (void *) &priv->xstats,
505 priv->ioaddr);
506 else {
507
508 if (priv->dma_cap.rmon) {
509 dwmac_mmc_read(priv->ioaddr, &priv->mmc);
510
511 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
512 char *p;
513 p = (char *)priv + stmmac_mmc[i].stat_offset;
514
515 data[j++] = (stmmac_mmc[i].sizeof_stat ==
516 sizeof(u64)) ? (*(u64 *)p) :
517 (*(u32 *)p);
518 }
519 }
520 if (priv->eee_enabled) {
521 int val = phy_get_eee_err(priv->phydev);
522 if (val)
523 priv->xstats.phy_eee_wakeup_error_n = val;
524 }
525
526 if ((priv->hw->mac->debug) &&
527 (priv->synopsys_id >= DWMAC_CORE_3_50))
528 priv->hw->mac->debug(priv->ioaddr,
529 (void *)&priv->xstats);
530 }
531 for (i = 0; i < STMMAC_STATS_LEN; i++) {
532 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
533 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat ==
534 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
535 }
536}
537
538static int stmmac_get_sset_count(struct net_device *netdev, int sset)
539{
540 struct stmmac_priv *priv = netdev_priv(netdev);
541 int len;
542
543 switch (sset) {
544 case ETH_SS_STATS:
545 len = STMMAC_STATS_LEN;
546
547 if (priv->dma_cap.rmon)
548 len += STMMAC_MMC_STATS_LEN;
549
550 return len;
551 default:
552 return -EOPNOTSUPP;
553 }
554}
555
556static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
557{
558 int i;
559 u8 *p = data;
560 struct stmmac_priv *priv = netdev_priv(dev);
561
562 switch (stringset) {
563 case ETH_SS_STATS:
564 if (priv->dma_cap.rmon)
565 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
566 memcpy(p, stmmac_mmc[i].stat_string,
567 ETH_GSTRING_LEN);
568 p += ETH_GSTRING_LEN;
569 }
570 for (i = 0; i < STMMAC_STATS_LEN; i++) {
571 memcpy(p, stmmac_gstrings_stats[i].stat_string,
572 ETH_GSTRING_LEN);
573 p += ETH_GSTRING_LEN;
574 }
575 break;
576 default:
577 WARN_ON(1);
578 break;
579 }
580}
581
582
583static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
584{
585 struct stmmac_priv *priv = netdev_priv(dev);
586
587 spin_lock_irq(&priv->lock);
588 if (device_can_wakeup(priv->device)) {
589 wol->supported = WAKE_MAGIC | WAKE_UCAST;
590 wol->wolopts = priv->wolopts;
591 }
592 spin_unlock_irq(&priv->lock);
593}
594
595static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
596{
597 struct stmmac_priv *priv = netdev_priv(dev);
598 u32 support = WAKE_MAGIC | WAKE_UCAST;
599
600
601
602
603 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
604 wol->wolopts &= ~WAKE_MAGIC;
605
606 if (!device_can_wakeup(priv->device))
607 return -EINVAL;
608
609 if (wol->wolopts & ~support)
610 return -EINVAL;
611
612 if (wol->wolopts) {
613 pr_info("stmmac: wakeup enable\n");
614 device_set_wakeup_enable(priv->device, 1);
615 enable_irq_wake(priv->wol_irq);
616 } else {
617 device_set_wakeup_enable(priv->device, 0);
618 disable_irq_wake(priv->wol_irq);
619 }
620
621 spin_lock_irq(&priv->lock);
622 priv->wolopts = wol->wolopts;
623 spin_unlock_irq(&priv->lock);
624
625 return 0;
626}
627
628static int stmmac_ethtool_op_get_eee(struct net_device *dev,
629 struct ethtool_eee *edata)
630{
631 struct stmmac_priv *priv = netdev_priv(dev);
632
633 if (!priv->dma_cap.eee)
634 return -EOPNOTSUPP;
635
636 edata->eee_enabled = priv->eee_enabled;
637 edata->eee_active = priv->eee_active;
638 edata->tx_lpi_timer = priv->tx_lpi_timer;
639
640 return phy_ethtool_get_eee(priv->phydev, edata);
641}
642
643static int stmmac_ethtool_op_set_eee(struct net_device *dev,
644 struct ethtool_eee *edata)
645{
646 struct stmmac_priv *priv = netdev_priv(dev);
647
648 priv->eee_enabled = edata->eee_enabled;
649
650 if (!priv->eee_enabled)
651 stmmac_disable_eee_mode(priv);
652 else {
653
654
655
656
657 priv->eee_enabled = stmmac_eee_init(priv);
658 if (!priv->eee_enabled)
659 return -EOPNOTSUPP;
660
661
662 priv->tx_lpi_timer = edata->tx_lpi_timer;
663 }
664
665 return phy_ethtool_set_eee(priv->phydev, edata);
666}
667
668static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
669{
670 unsigned long clk = clk_get_rate(priv->stmmac_clk);
671
672 if (!clk)
673 return 0;
674
675 return (usec * (clk / 1000000)) / 256;
676}
677
678static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
679{
680 unsigned long clk = clk_get_rate(priv->stmmac_clk);
681
682 if (!clk)
683 return 0;
684
685 return (riwt * 256) / (clk / 1000000);
686}
687
688static int stmmac_get_coalesce(struct net_device *dev,
689 struct ethtool_coalesce *ec)
690{
691 struct stmmac_priv *priv = netdev_priv(dev);
692
693 ec->tx_coalesce_usecs = priv->tx_coal_timer;
694 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
695
696 if (priv->use_riwt)
697 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
698
699 return 0;
700}
701
702static int stmmac_set_coalesce(struct net_device *dev,
703 struct ethtool_coalesce *ec)
704{
705 struct stmmac_priv *priv = netdev_priv(dev);
706 unsigned int rx_riwt;
707
708
709 if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) ||
710 (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
711 (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
712 (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) ||
713 (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) ||
714 (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) ||
715 (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) ||
716 (ec->rx_max_coalesced_frames_high) ||
717 (ec->tx_max_coalesced_frames_irq) ||
718 (ec->stats_block_coalesce_usecs) ||
719 (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval))
720 return -EOPNOTSUPP;
721
722 if (ec->rx_coalesce_usecs == 0)
723 return -EINVAL;
724
725 if ((ec->tx_coalesce_usecs == 0) &&
726 (ec->tx_max_coalesced_frames == 0))
727 return -EINVAL;
728
729 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) ||
730 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
731 return -EINVAL;
732
733 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
734
735 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
736 return -EINVAL;
737 else if (!priv->use_riwt)
738 return -EOPNOTSUPP;
739
740
741 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
742 priv->tx_coal_timer = ec->tx_coalesce_usecs;
743 priv->rx_riwt = rx_riwt;
744 priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
745
746 return 0;
747}
748
749static int stmmac_get_ts_info(struct net_device *dev,
750 struct ethtool_ts_info *info)
751{
752 struct stmmac_priv *priv = netdev_priv(dev);
753
754 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
755
756 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
757 SOF_TIMESTAMPING_TX_HARDWARE |
758 SOF_TIMESTAMPING_RX_SOFTWARE |
759 SOF_TIMESTAMPING_RX_HARDWARE |
760 SOF_TIMESTAMPING_SOFTWARE |
761 SOF_TIMESTAMPING_RAW_HARDWARE;
762
763 if (priv->ptp_clock)
764 info->phc_index = ptp_clock_index(priv->ptp_clock);
765
766 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
767
768 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
769 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
770 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
771 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
772 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
773 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
774 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
775 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
776 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
777 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
778 (1 << HWTSTAMP_FILTER_ALL));
779 return 0;
780 } else
781 return ethtool_op_get_ts_info(dev, info);
782}
783
784static int stmmac_get_tunable(struct net_device *dev,
785 const struct ethtool_tunable *tuna, void *data)
786{
787 struct stmmac_priv *priv = netdev_priv(dev);
788 int ret = 0;
789
790 switch (tuna->id) {
791 case ETHTOOL_RX_COPYBREAK:
792 *(u32 *)data = priv->rx_copybreak;
793 break;
794 default:
795 ret = -EINVAL;
796 break;
797 }
798
799 return ret;
800}
801
802static int stmmac_set_tunable(struct net_device *dev,
803 const struct ethtool_tunable *tuna,
804 const void *data)
805{
806 struct stmmac_priv *priv = netdev_priv(dev);
807 int ret = 0;
808
809 switch (tuna->id) {
810 case ETHTOOL_RX_COPYBREAK:
811 priv->rx_copybreak = *(u32 *)data;
812 break;
813 default:
814 ret = -EINVAL;
815 break;
816 }
817
818 return ret;
819}
820
821static const struct ethtool_ops stmmac_ethtool_ops = {
822 .begin = stmmac_check_if_running,
823 .get_drvinfo = stmmac_ethtool_getdrvinfo,
824 .get_settings = stmmac_ethtool_getsettings,
825 .set_settings = stmmac_ethtool_setsettings,
826 .get_msglevel = stmmac_ethtool_getmsglevel,
827 .set_msglevel = stmmac_ethtool_setmsglevel,
828 .get_regs = stmmac_ethtool_gregs,
829 .get_regs_len = stmmac_ethtool_get_regs_len,
830 .get_link = ethtool_op_get_link,
831 .get_pauseparam = stmmac_get_pauseparam,
832 .set_pauseparam = stmmac_set_pauseparam,
833 .get_ethtool_stats = stmmac_get_ethtool_stats,
834 .get_strings = stmmac_get_strings,
835 .get_wol = stmmac_get_wol,
836 .set_wol = stmmac_set_wol,
837 .get_eee = stmmac_ethtool_op_get_eee,
838 .set_eee = stmmac_ethtool_op_set_eee,
839 .get_sset_count = stmmac_get_sset_count,
840 .get_ts_info = stmmac_get_ts_info,
841 .get_coalesce = stmmac_get_coalesce,
842 .set_coalesce = stmmac_set_coalesce,
843 .get_tunable = stmmac_get_tunable,
844 .set_tunable = stmmac_set_tunable,
845};
846
847void stmmac_set_ethtool_ops(struct net_device *netdev)
848{
849 netdev->ethtool_ops = &stmmac_ethtool_ops;
850}
851
