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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/phylink.h>
26#include <linux/net_tstamp.h>
27#include <asm/io.h>
28
29#include "stmmac.h"
30#include "dwmac_dma.h"
31#include "dwxgmac2.h"
32
33#define REG_SPACE_SIZE 0x1060
34#define MAC100_ETHTOOL_NAME "st_mac100"
35#define GMAC_ETHTOOL_NAME "st_gmac"
36#define XGMAC_ETHTOOL_NAME "st_xgmac"
37
38#define ETHTOOL_DMA_OFFSET 55
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, sizeof_field(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_errors),
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 STMMAC_STAT(rx_split_hdr_pkt_n),
81
82 STMMAC_STAT(tx_undeflow_irq),
83 STMMAC_STAT(tx_process_stopped_irq),
84 STMMAC_STAT(tx_jabber_irq),
85 STMMAC_STAT(rx_overflow_irq),
86 STMMAC_STAT(rx_buf_unav_irq),
87 STMMAC_STAT(rx_process_stopped_irq),
88 STMMAC_STAT(rx_watchdog_irq),
89 STMMAC_STAT(tx_early_irq),
90 STMMAC_STAT(fatal_bus_error_irq),
91
92 STMMAC_STAT(rx_early_irq),
93 STMMAC_STAT(threshold),
94 STMMAC_STAT(tx_pkt_n),
95 STMMAC_STAT(rx_pkt_n),
96 STMMAC_STAT(normal_irq_n),
97 STMMAC_STAT(rx_normal_irq_n),
98 STMMAC_STAT(napi_poll),
99 STMMAC_STAT(tx_normal_irq_n),
100 STMMAC_STAT(tx_clean),
101 STMMAC_STAT(tx_set_ic_bit),
102 STMMAC_STAT(irq_receive_pmt_irq_n),
103
104 STMMAC_STAT(mmc_tx_irq_n),
105 STMMAC_STAT(mmc_rx_irq_n),
106 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
107
108 STMMAC_STAT(irq_tx_path_in_lpi_mode_n),
109 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n),
110 STMMAC_STAT(irq_rx_path_in_lpi_mode_n),
111 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n),
112 STMMAC_STAT(phy_eee_wakeup_error_n),
113
114 STMMAC_STAT(ip_hdr_err),
115 STMMAC_STAT(ip_payload_err),
116 STMMAC_STAT(ip_csum_bypassed),
117 STMMAC_STAT(ipv4_pkt_rcvd),
118 STMMAC_STAT(ipv6_pkt_rcvd),
119 STMMAC_STAT(no_ptp_rx_msg_type_ext),
120 STMMAC_STAT(ptp_rx_msg_type_sync),
121 STMMAC_STAT(ptp_rx_msg_type_follow_up),
122 STMMAC_STAT(ptp_rx_msg_type_delay_req),
123 STMMAC_STAT(ptp_rx_msg_type_delay_resp),
124 STMMAC_STAT(ptp_rx_msg_type_pdelay_req),
125 STMMAC_STAT(ptp_rx_msg_type_pdelay_resp),
126 STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up),
127 STMMAC_STAT(ptp_rx_msg_type_announce),
128 STMMAC_STAT(ptp_rx_msg_type_management),
129 STMMAC_STAT(ptp_rx_msg_pkt_reserved_type),
130 STMMAC_STAT(ptp_frame_type),
131 STMMAC_STAT(ptp_ver),
132 STMMAC_STAT(timestamp_dropped),
133 STMMAC_STAT(av_pkt_rcvd),
134 STMMAC_STAT(av_tagged_pkt_rcvd),
135 STMMAC_STAT(vlan_tag_priority_val),
136 STMMAC_STAT(l3_filter_match),
137 STMMAC_STAT(l4_filter_match),
138 STMMAC_STAT(l3_l4_filter_no_match),
139
140 STMMAC_STAT(irq_pcs_ane_n),
141 STMMAC_STAT(irq_pcs_link_n),
142 STMMAC_STAT(irq_rgmii_n),
143
144 STMMAC_STAT(mtl_tx_status_fifo_full),
145 STMMAC_STAT(mtl_tx_fifo_not_empty),
146 STMMAC_STAT(mmtl_fifo_ctrl),
147 STMMAC_STAT(mtl_tx_fifo_read_ctrl_write),
148 STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait),
149 STMMAC_STAT(mtl_tx_fifo_read_ctrl_read),
150 STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle),
151 STMMAC_STAT(mac_tx_in_pause),
152 STMMAC_STAT(mac_tx_frame_ctrl_xfer),
153 STMMAC_STAT(mac_tx_frame_ctrl_idle),
154 STMMAC_STAT(mac_tx_frame_ctrl_wait),
155 STMMAC_STAT(mac_tx_frame_ctrl_pause),
156 STMMAC_STAT(mac_gmii_tx_proto_engine),
157 STMMAC_STAT(mtl_rx_fifo_fill_level_full),
158 STMMAC_STAT(mtl_rx_fifo_fill_above_thresh),
159 STMMAC_STAT(mtl_rx_fifo_fill_below_thresh),
160 STMMAC_STAT(mtl_rx_fifo_fill_level_empty),
161 STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush),
162 STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data),
163 STMMAC_STAT(mtl_rx_fifo_read_ctrl_status),
164 STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle),
165 STMMAC_STAT(mtl_rx_fifo_ctrl_active),
166 STMMAC_STAT(mac_rx_frame_ctrl_fifo),
167 STMMAC_STAT(mac_gmii_rx_proto_engine),
168
169 STMMAC_STAT(tx_tso_frames),
170 STMMAC_STAT(tx_tso_nfrags),
171};
172#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
173
174
175#define STMMAC_MMC_STAT(m) \
176 { #m, sizeof_field(struct stmmac_counters, m), \
177 offsetof(struct stmmac_priv, mmc.m)}
178
179static const struct stmmac_stats stmmac_mmc[] = {
180 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
181 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
182 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
183 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
184 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
185 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
186 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
187 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
188 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
189 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
190 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
191 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
192 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
193 STMMAC_MMC_STAT(mmc_tx_underflow_error),
194 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
195 STMMAC_MMC_STAT(mmc_tx_multicol_g),
196 STMMAC_MMC_STAT(mmc_tx_deferred),
197 STMMAC_MMC_STAT(mmc_tx_latecol),
198 STMMAC_MMC_STAT(mmc_tx_exesscol),
199 STMMAC_MMC_STAT(mmc_tx_carrier_error),
200 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
201 STMMAC_MMC_STAT(mmc_tx_framecount_g),
202 STMMAC_MMC_STAT(mmc_tx_excessdef),
203 STMMAC_MMC_STAT(mmc_tx_pause_frame),
204 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
205 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
206 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
207 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
208 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
209 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
210 STMMAC_MMC_STAT(mmc_rx_crc_error),
211 STMMAC_MMC_STAT(mmc_rx_align_error),
212 STMMAC_MMC_STAT(mmc_rx_run_error),
213 STMMAC_MMC_STAT(mmc_rx_jabber_error),
214 STMMAC_MMC_STAT(mmc_rx_undersize_g),
215 STMMAC_MMC_STAT(mmc_rx_oversize_g),
216 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
217 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
218 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
219 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
220 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
221 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
222 STMMAC_MMC_STAT(mmc_rx_unicast_g),
223 STMMAC_MMC_STAT(mmc_rx_length_error),
224 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
225 STMMAC_MMC_STAT(mmc_rx_pause_frames),
226 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
227 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
228 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
229 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
230 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
231 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
232 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
233 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
234 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
235 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
236 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
237 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
238 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
239 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
240 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
241 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
242 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
243 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
244 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
245 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
246 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
247 STMMAC_MMC_STAT(mmc_rx_udp_gd),
248 STMMAC_MMC_STAT(mmc_rx_udp_err),
249 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
250 STMMAC_MMC_STAT(mmc_rx_tcp_err),
251 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
252 STMMAC_MMC_STAT(mmc_rx_icmp_err),
253 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
254 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
255 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
256 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
257 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
258 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
259 STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr),
260 STMMAC_MMC_STAT(mmc_tx_hold_req_cntr),
261 STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr),
262 STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr),
263 STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr),
264 STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr),
265};
266#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
267
268static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
269 struct ethtool_drvinfo *info)
270{
271 struct stmmac_priv *priv = netdev_priv(dev);
272
273 if (priv->plat->has_gmac || priv->plat->has_gmac4)
274 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
275 else if (priv->plat->has_xgmac)
276 strlcpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver));
277 else
278 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
279 sizeof(info->driver));
280
281 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
282}
283
284static int stmmac_ethtool_get_link_ksettings(struct net_device *dev,
285 struct ethtool_link_ksettings *cmd)
286{
287 struct stmmac_priv *priv = netdev_priv(dev);
288
289 if (priv->hw->pcs & STMMAC_PCS_RGMII ||
290 priv->hw->pcs & STMMAC_PCS_SGMII) {
291 struct rgmii_adv adv;
292 u32 supported, advertising, lp_advertising;
293
294 if (!priv->xstats.pcs_link) {
295 cmd->base.speed = SPEED_UNKNOWN;
296 cmd->base.duplex = DUPLEX_UNKNOWN;
297 return 0;
298 }
299 cmd->base.duplex = priv->xstats.pcs_duplex;
300
301 cmd->base.speed = priv->xstats.pcs_speed;
302
303
304 if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv))
305 return -EOPNOTSUPP;
306
307
308
309 ethtool_convert_link_mode_to_legacy_u32(
310 &supported, cmd->link_modes.supported);
311 ethtool_convert_link_mode_to_legacy_u32(
312 &advertising, cmd->link_modes.advertising);
313 ethtool_convert_link_mode_to_legacy_u32(
314 &lp_advertising, cmd->link_modes.lp_advertising);
315
316 if (adv.pause & STMMAC_PCS_PAUSE)
317 advertising |= ADVERTISED_Pause;
318 if (adv.pause & STMMAC_PCS_ASYM_PAUSE)
319 advertising |= ADVERTISED_Asym_Pause;
320 if (adv.lp_pause & STMMAC_PCS_PAUSE)
321 lp_advertising |= ADVERTISED_Pause;
322 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE)
323 lp_advertising |= ADVERTISED_Asym_Pause;
324
325
326 cmd->base.autoneg = ADVERTISED_Autoneg;
327 supported |= SUPPORTED_Autoneg;
328 advertising |= ADVERTISED_Autoneg;
329 lp_advertising |= ADVERTISED_Autoneg;
330
331 if (adv.duplex) {
332 supported |= (SUPPORTED_1000baseT_Full |
333 SUPPORTED_100baseT_Full |
334 SUPPORTED_10baseT_Full);
335 advertising |= (ADVERTISED_1000baseT_Full |
336 ADVERTISED_100baseT_Full |
337 ADVERTISED_10baseT_Full);
338 } else {
339 supported |= (SUPPORTED_1000baseT_Half |
340 SUPPORTED_100baseT_Half |
341 SUPPORTED_10baseT_Half);
342 advertising |= (ADVERTISED_1000baseT_Half |
343 ADVERTISED_100baseT_Half |
344 ADVERTISED_10baseT_Half);
345 }
346 if (adv.lp_duplex)
347 lp_advertising |= (ADVERTISED_1000baseT_Full |
348 ADVERTISED_100baseT_Full |
349 ADVERTISED_10baseT_Full);
350 else
351 lp_advertising |= (ADVERTISED_1000baseT_Half |
352 ADVERTISED_100baseT_Half |
353 ADVERTISED_10baseT_Half);
354 cmd->base.port = PORT_OTHER;
355
356 ethtool_convert_legacy_u32_to_link_mode(
357 cmd->link_modes.supported, supported);
358 ethtool_convert_legacy_u32_to_link_mode(
359 cmd->link_modes.advertising, advertising);
360 ethtool_convert_legacy_u32_to_link_mode(
361 cmd->link_modes.lp_advertising, lp_advertising);
362
363 return 0;
364 }
365
366 return phylink_ethtool_ksettings_get(priv->phylink, cmd);
367}
368
369static int
370stmmac_ethtool_set_link_ksettings(struct net_device *dev,
371 const struct ethtool_link_ksettings *cmd)
372{
373 struct stmmac_priv *priv = netdev_priv(dev);
374
375 if (priv->hw->pcs & STMMAC_PCS_RGMII ||
376 priv->hw->pcs & STMMAC_PCS_SGMII) {
377 u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause;
378
379
380 if (cmd->base.autoneg != AUTONEG_ENABLE)
381 return -EINVAL;
382
383 mask &= (ADVERTISED_1000baseT_Half |
384 ADVERTISED_1000baseT_Full |
385 ADVERTISED_100baseT_Half |
386 ADVERTISED_100baseT_Full |
387 ADVERTISED_10baseT_Half |
388 ADVERTISED_10baseT_Full);
389
390 mutex_lock(&priv->lock);
391 stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0);
392 mutex_unlock(&priv->lock);
393
394 return 0;
395 }
396
397 return phylink_ethtool_ksettings_set(priv->phylink, cmd);
398}
399
400static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
401{
402 struct stmmac_priv *priv = netdev_priv(dev);
403 return priv->msg_enable;
404}
405
406static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
407{
408 struct stmmac_priv *priv = netdev_priv(dev);
409 priv->msg_enable = level;
410
411}
412
413static int stmmac_check_if_running(struct net_device *dev)
414{
415 if (!netif_running(dev))
416 return -EBUSY;
417 return 0;
418}
419
420static int stmmac_ethtool_get_regs_len(struct net_device *dev)
421{
422 struct stmmac_priv *priv = netdev_priv(dev);
423
424 if (priv->plat->has_xgmac)
425 return XGMAC_REGSIZE * 4;
426 return REG_SPACE_SIZE;
427}
428
429static void stmmac_ethtool_gregs(struct net_device *dev,
430 struct ethtool_regs *regs, void *space)
431{
432 struct stmmac_priv *priv = netdev_priv(dev);
433 u32 *reg_space = (u32 *) space;
434
435 stmmac_dump_mac_regs(priv, priv->hw, reg_space);
436 stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space);
437
438 if (!priv->plat->has_xgmac) {
439
440 memcpy(®_space[ETHTOOL_DMA_OFFSET],
441 ®_space[DMA_BUS_MODE / 4],
442 NUM_DWMAC1000_DMA_REGS * 4);
443 }
444}
445
446static int stmmac_nway_reset(struct net_device *dev)
447{
448 struct stmmac_priv *priv = netdev_priv(dev);
449
450 return phylink_ethtool_nway_reset(priv->phylink);
451}
452
453static void stmmac_get_ringparam(struct net_device *netdev,
454 struct ethtool_ringparam *ring)
455{
456 struct stmmac_priv *priv = netdev_priv(netdev);
457
458 ring->rx_max_pending = DMA_MAX_RX_SIZE;
459 ring->tx_max_pending = DMA_MAX_TX_SIZE;
460 ring->rx_pending = priv->dma_rx_size;
461 ring->tx_pending = priv->dma_tx_size;
462}
463
464static int stmmac_set_ringparam(struct net_device *netdev,
465 struct ethtool_ringparam *ring)
466{
467 if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
468 ring->rx_pending < DMA_MIN_RX_SIZE ||
469 ring->rx_pending > DMA_MAX_RX_SIZE ||
470 !is_power_of_2(ring->rx_pending) ||
471 ring->tx_pending < DMA_MIN_TX_SIZE ||
472 ring->tx_pending > DMA_MAX_TX_SIZE ||
473 !is_power_of_2(ring->tx_pending))
474 return -EINVAL;
475
476 return stmmac_reinit_ringparam(netdev, ring->rx_pending,
477 ring->tx_pending);
478}
479
480static void
481stmmac_get_pauseparam(struct net_device *netdev,
482 struct ethtool_pauseparam *pause)
483{
484 struct stmmac_priv *priv = netdev_priv(netdev);
485 struct rgmii_adv adv_lp;
486
487 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
488 pause->autoneg = 1;
489 if (!adv_lp.pause)
490 return;
491 } else {
492 phylink_ethtool_get_pauseparam(priv->phylink, pause);
493 }
494}
495
496static int
497stmmac_set_pauseparam(struct net_device *netdev,
498 struct ethtool_pauseparam *pause)
499{
500 struct stmmac_priv *priv = netdev_priv(netdev);
501 struct rgmii_adv adv_lp;
502
503 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) {
504 pause->autoneg = 1;
505 if (!adv_lp.pause)
506 return -EOPNOTSUPP;
507 return 0;
508 } else {
509 return phylink_ethtool_set_pauseparam(priv->phylink, pause);
510 }
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 stmmac_mmc_read(priv, 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 = phylink_get_eee_err(priv->phylink);
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 if (!priv->plat->pmt)
636 return phylink_ethtool_get_wol(priv->phylink, wol);
637
638 mutex_lock(&priv->lock);
639 if (device_can_wakeup(priv->device)) {
640 wol->supported = WAKE_MAGIC | WAKE_UCAST;
641 if (priv->hw_cap_support && !priv->dma_cap.pmt_magic_frame)
642 wol->supported &= ~WAKE_MAGIC;
643 wol->wolopts = priv->wolopts;
644 }
645 mutex_unlock(&priv->lock);
646}
647
648static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
649{
650 struct stmmac_priv *priv = netdev_priv(dev);
651 u32 support = WAKE_MAGIC | WAKE_UCAST;
652
653 if (!device_can_wakeup(priv->device))
654 return -EOPNOTSUPP;
655
656 if (!priv->plat->pmt) {
657 int ret = phylink_ethtool_set_wol(priv->phylink, wol);
658
659 if (!ret)
660 device_set_wakeup_enable(priv->device, !!wol->wolopts);
661 return ret;
662 }
663
664
665
666
667 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
668 wol->wolopts &= ~WAKE_MAGIC;
669
670 if (wol->wolopts & ~support)
671 return -EINVAL;
672
673 if (wol->wolopts) {
674 pr_info("stmmac: wakeup enable\n");
675 device_set_wakeup_enable(priv->device, 1);
676 enable_irq_wake(priv->wol_irq);
677 } else {
678 device_set_wakeup_enable(priv->device, 0);
679 disable_irq_wake(priv->wol_irq);
680 }
681
682 mutex_lock(&priv->lock);
683 priv->wolopts = wol->wolopts;
684 mutex_unlock(&priv->lock);
685
686 return 0;
687}
688
689static int stmmac_ethtool_op_get_eee(struct net_device *dev,
690 struct ethtool_eee *edata)
691{
692 struct stmmac_priv *priv = netdev_priv(dev);
693
694 if (!priv->dma_cap.eee)
695 return -EOPNOTSUPP;
696
697 edata->eee_enabled = priv->eee_enabled;
698 edata->eee_active = priv->eee_active;
699 edata->tx_lpi_timer = priv->tx_lpi_timer;
700 edata->tx_lpi_enabled = priv->tx_lpi_enabled;
701
702 return phylink_ethtool_get_eee(priv->phylink, edata);
703}
704
705static int stmmac_ethtool_op_set_eee(struct net_device *dev,
706 struct ethtool_eee *edata)
707{
708 struct stmmac_priv *priv = netdev_priv(dev);
709 int ret;
710
711 if (!priv->dma_cap.eee)
712 return -EOPNOTSUPP;
713
714 if (priv->tx_lpi_enabled != edata->tx_lpi_enabled)
715 netdev_warn(priv->dev,
716 "Setting EEE tx-lpi is not supported\n");
717
718 if (!edata->eee_enabled)
719 stmmac_disable_eee_mode(priv);
720
721 ret = phylink_ethtool_set_eee(priv->phylink, edata);
722 if (ret)
723 return ret;
724
725 if (edata->eee_enabled &&
726 priv->tx_lpi_timer != edata->tx_lpi_timer) {
727 priv->tx_lpi_timer = edata->tx_lpi_timer;
728 stmmac_eee_init(priv);
729 }
730
731 return 0;
732}
733
734static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
735{
736 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
737
738 if (!clk) {
739 clk = priv->plat->clk_ref_rate;
740 if (!clk)
741 return 0;
742 }
743
744 return (usec * (clk / 1000000)) / 256;
745}
746
747static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
748{
749 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
750
751 if (!clk) {
752 clk = priv->plat->clk_ref_rate;
753 if (!clk)
754 return 0;
755 }
756
757 return (riwt * 256) / (clk / 1000000);
758}
759
760static int stmmac_get_coalesce(struct net_device *dev,
761 struct ethtool_coalesce *ec)
762{
763 struct stmmac_priv *priv = netdev_priv(dev);
764
765 ec->tx_coalesce_usecs = priv->tx_coal_timer;
766 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
767
768 if (priv->use_riwt) {
769 ec->rx_max_coalesced_frames = priv->rx_coal_frames;
770 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
771 }
772
773 return 0;
774}
775
776static int stmmac_set_coalesce(struct net_device *dev,
777 struct ethtool_coalesce *ec)
778{
779 struct stmmac_priv *priv = netdev_priv(dev);
780 u32 rx_cnt = priv->plat->rx_queues_to_use;
781 unsigned int rx_riwt;
782
783 if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) {
784 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
785
786 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
787 return -EINVAL;
788
789 priv->rx_riwt = rx_riwt;
790 stmmac_rx_watchdog(priv, priv->ioaddr, priv->rx_riwt, rx_cnt);
791 }
792
793 if ((ec->tx_coalesce_usecs == 0) &&
794 (ec->tx_max_coalesced_frames == 0))
795 return -EINVAL;
796
797 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) ||
798 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
799 return -EINVAL;
800
801
802 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
803 priv->tx_coal_timer = ec->tx_coalesce_usecs;
804 priv->rx_coal_frames = ec->rx_max_coalesced_frames;
805 return 0;
806}
807
808static int stmmac_get_rxnfc(struct net_device *dev,
809 struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
810{
811 struct stmmac_priv *priv = netdev_priv(dev);
812
813 switch (rxnfc->cmd) {
814 case ETHTOOL_GRXRINGS:
815 rxnfc->data = priv->plat->rx_queues_to_use;
816 break;
817 default:
818 return -EOPNOTSUPP;
819 }
820
821 return 0;
822}
823
824static u32 stmmac_get_rxfh_key_size(struct net_device *dev)
825{
826 struct stmmac_priv *priv = netdev_priv(dev);
827
828 return sizeof(priv->rss.key);
829}
830
831static u32 stmmac_get_rxfh_indir_size(struct net_device *dev)
832{
833 struct stmmac_priv *priv = netdev_priv(dev);
834
835 return ARRAY_SIZE(priv->rss.table);
836}
837
838static int stmmac_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
839 u8 *hfunc)
840{
841 struct stmmac_priv *priv = netdev_priv(dev);
842 int i;
843
844 if (indir) {
845 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++)
846 indir[i] = priv->rss.table[i];
847 }
848
849 if (key)
850 memcpy(key, priv->rss.key, sizeof(priv->rss.key));
851 if (hfunc)
852 *hfunc = ETH_RSS_HASH_TOP;
853
854 return 0;
855}
856
857static int stmmac_set_rxfh(struct net_device *dev, const u32 *indir,
858 const u8 *key, const u8 hfunc)
859{
860 struct stmmac_priv *priv = netdev_priv(dev);
861 int i;
862
863 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP))
864 return -EOPNOTSUPP;
865
866 if (indir) {
867 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++)
868 priv->rss.table[i] = indir[i];
869 }
870
871 if (key)
872 memcpy(priv->rss.key, key, sizeof(priv->rss.key));
873
874 return stmmac_rss_configure(priv, priv->hw, &priv->rss,
875 priv->plat->rx_queues_to_use);
876}
877
878static void stmmac_get_channels(struct net_device *dev,
879 struct ethtool_channels *chan)
880{
881 struct stmmac_priv *priv = netdev_priv(dev);
882
883 chan->rx_count = priv->plat->rx_queues_to_use;
884 chan->tx_count = priv->plat->tx_queues_to_use;
885 chan->max_rx = priv->dma_cap.number_rx_queues;
886 chan->max_tx = priv->dma_cap.number_tx_queues;
887}
888
889static int stmmac_set_channels(struct net_device *dev,
890 struct ethtool_channels *chan)
891{
892 struct stmmac_priv *priv = netdev_priv(dev);
893
894 if (chan->rx_count > priv->dma_cap.number_rx_queues ||
895 chan->tx_count > priv->dma_cap.number_tx_queues ||
896 !chan->rx_count || !chan->tx_count)
897 return -EINVAL;
898
899 return stmmac_reinit_queues(dev, chan->rx_count, chan->tx_count);
900}
901
902static int stmmac_get_ts_info(struct net_device *dev,
903 struct ethtool_ts_info *info)
904{
905 struct stmmac_priv *priv = netdev_priv(dev);
906
907 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
908
909 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
910 SOF_TIMESTAMPING_TX_HARDWARE |
911 SOF_TIMESTAMPING_RX_SOFTWARE |
912 SOF_TIMESTAMPING_RX_HARDWARE |
913 SOF_TIMESTAMPING_SOFTWARE |
914 SOF_TIMESTAMPING_RAW_HARDWARE;
915
916 if (priv->ptp_clock)
917 info->phc_index = ptp_clock_index(priv->ptp_clock);
918
919 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
920
921 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
922 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
923 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
924 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
925 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
926 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
927 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
928 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
929 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
930 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
931 (1 << HWTSTAMP_FILTER_ALL));
932 return 0;
933 } else
934 return ethtool_op_get_ts_info(dev, info);
935}
936
937static int stmmac_get_tunable(struct net_device *dev,
938 const struct ethtool_tunable *tuna, void *data)
939{
940 struct stmmac_priv *priv = netdev_priv(dev);
941 int ret = 0;
942
943 switch (tuna->id) {
944 case ETHTOOL_RX_COPYBREAK:
945 *(u32 *)data = priv->rx_copybreak;
946 break;
947 default:
948 ret = -EINVAL;
949 break;
950 }
951
952 return ret;
953}
954
955static int stmmac_set_tunable(struct net_device *dev,
956 const struct ethtool_tunable *tuna,
957 const void *data)
958{
959 struct stmmac_priv *priv = netdev_priv(dev);
960 int ret = 0;
961
962 switch (tuna->id) {
963 case ETHTOOL_RX_COPYBREAK:
964 priv->rx_copybreak = *(u32 *)data;
965 break;
966 default:
967 ret = -EINVAL;
968 break;
969 }
970
971 return ret;
972}
973
974static const struct ethtool_ops stmmac_ethtool_ops = {
975 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
976 ETHTOOL_COALESCE_MAX_FRAMES,
977 .begin = stmmac_check_if_running,
978 .get_drvinfo = stmmac_ethtool_getdrvinfo,
979 .get_msglevel = stmmac_ethtool_getmsglevel,
980 .set_msglevel = stmmac_ethtool_setmsglevel,
981 .get_regs = stmmac_ethtool_gregs,
982 .get_regs_len = stmmac_ethtool_get_regs_len,
983 .get_link = ethtool_op_get_link,
984 .nway_reset = stmmac_nway_reset,
985 .get_ringparam = stmmac_get_ringparam,
986 .set_ringparam = stmmac_set_ringparam,
987 .get_pauseparam = stmmac_get_pauseparam,
988 .set_pauseparam = stmmac_set_pauseparam,
989 .get_ethtool_stats = stmmac_get_ethtool_stats,
990 .get_strings = stmmac_get_strings,
991 .get_wol = stmmac_get_wol,
992 .set_wol = stmmac_set_wol,
993 .get_eee = stmmac_ethtool_op_get_eee,
994 .set_eee = stmmac_ethtool_op_set_eee,
995 .get_sset_count = stmmac_get_sset_count,
996 .get_rxnfc = stmmac_get_rxnfc,
997 .get_rxfh_key_size = stmmac_get_rxfh_key_size,
998 .get_rxfh_indir_size = stmmac_get_rxfh_indir_size,
999 .get_rxfh = stmmac_get_rxfh,
1000 .set_rxfh = stmmac_set_rxfh,
1001 .get_ts_info = stmmac_get_ts_info,
1002 .get_coalesce = stmmac_get_coalesce,
1003 .set_coalesce = stmmac_set_coalesce,
1004 .get_channels = stmmac_get_channels,
1005 .set_channels = stmmac_set_channels,
1006 .get_tunable = stmmac_get_tunable,
1007 .set_tunable = stmmac_set_tunable,
1008 .get_link_ksettings = stmmac_ethtool_get_link_ksettings,
1009 .set_link_ksettings = stmmac_ethtool_set_link_ksettings,
1010};
1011
1012void stmmac_set_ethtool_ops(struct net_device *netdev)
1013{
1014 netdev->ethtool_ops = &stmmac_ethtool_ops;
1015}
1016
