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11#include <linux/etherdevice.h>
12#include <linux/ethtool.h>
13#include <linux/interrupt.h>
14#include <linux/mii.h>
15#include <linux/phylink.h>
16#include <linux/net_tstamp.h>
17#include <asm/io.h>
18
19#include "stmmac.h"
20#include "dwmac_dma.h"
21#include "dwxgmac2.h"
22
23#define REG_SPACE_SIZE 0x1060
24#define MAC100_ETHTOOL_NAME "st_mac100"
25#define GMAC_ETHTOOL_NAME "st_gmac"
26#define XGMAC_ETHTOOL_NAME "st_xgmac"
27
28#define ETHTOOL_DMA_OFFSET 55
29
30struct stmmac_stats {
31 char stat_string[ETH_GSTRING_LEN];
32 int sizeof_stat;
33 int stat_offset;
34};
35
36#define STMMAC_STAT(m) \
37 { #m, sizeof_field(struct stmmac_extra_stats, m), \
38 offsetof(struct stmmac_priv, xstats.m)}
39
40static const struct stmmac_stats stmmac_gstrings_stats[] = {
41
42 STMMAC_STAT(tx_underflow),
43 STMMAC_STAT(tx_carrier),
44 STMMAC_STAT(tx_losscarrier),
45 STMMAC_STAT(vlan_tag),
46 STMMAC_STAT(tx_deferred),
47 STMMAC_STAT(tx_vlan),
48 STMMAC_STAT(tx_jabber),
49 STMMAC_STAT(tx_frame_flushed),
50 STMMAC_STAT(tx_payload_error),
51 STMMAC_STAT(tx_ip_header_error),
52
53 STMMAC_STAT(rx_desc),
54 STMMAC_STAT(sa_filter_fail),
55 STMMAC_STAT(overflow_error),
56 STMMAC_STAT(ipc_csum_error),
57 STMMAC_STAT(rx_collision),
58 STMMAC_STAT(rx_crc_errors),
59 STMMAC_STAT(dribbling_bit),
60 STMMAC_STAT(rx_length),
61 STMMAC_STAT(rx_mii),
62 STMMAC_STAT(rx_multicast),
63 STMMAC_STAT(rx_gmac_overflow),
64 STMMAC_STAT(rx_watchdog),
65 STMMAC_STAT(da_rx_filter_fail),
66 STMMAC_STAT(sa_rx_filter_fail),
67 STMMAC_STAT(rx_missed_cntr),
68 STMMAC_STAT(rx_overflow_cntr),
69 STMMAC_STAT(rx_vlan),
70 STMMAC_STAT(rx_split_hdr_pkt_n),
71
72 STMMAC_STAT(tx_undeflow_irq),
73 STMMAC_STAT(tx_process_stopped_irq),
74 STMMAC_STAT(tx_jabber_irq),
75 STMMAC_STAT(rx_overflow_irq),
76 STMMAC_STAT(rx_buf_unav_irq),
77 STMMAC_STAT(rx_process_stopped_irq),
78 STMMAC_STAT(rx_watchdog_irq),
79 STMMAC_STAT(tx_early_irq),
80 STMMAC_STAT(fatal_bus_error_irq),
81
82 STMMAC_STAT(rx_early_irq),
83 STMMAC_STAT(threshold),
84 STMMAC_STAT(tx_pkt_n),
85 STMMAC_STAT(rx_pkt_n),
86 STMMAC_STAT(normal_irq_n),
87 STMMAC_STAT(rx_normal_irq_n),
88 STMMAC_STAT(napi_poll),
89 STMMAC_STAT(tx_normal_irq_n),
90 STMMAC_STAT(tx_clean),
91 STMMAC_STAT(tx_set_ic_bit),
92 STMMAC_STAT(irq_receive_pmt_irq_n),
93
94 STMMAC_STAT(mmc_tx_irq_n),
95 STMMAC_STAT(mmc_rx_irq_n),
96 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
97
98 STMMAC_STAT(irq_tx_path_in_lpi_mode_n),
99 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n),
100 STMMAC_STAT(irq_rx_path_in_lpi_mode_n),
101 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n),
102 STMMAC_STAT(phy_eee_wakeup_error_n),
103
104 STMMAC_STAT(ip_hdr_err),
105 STMMAC_STAT(ip_payload_err),
106 STMMAC_STAT(ip_csum_bypassed),
107 STMMAC_STAT(ipv4_pkt_rcvd),
108 STMMAC_STAT(ipv6_pkt_rcvd),
109 STMMAC_STAT(no_ptp_rx_msg_type_ext),
110 STMMAC_STAT(ptp_rx_msg_type_sync),
111 STMMAC_STAT(ptp_rx_msg_type_follow_up),
112 STMMAC_STAT(ptp_rx_msg_type_delay_req),
113 STMMAC_STAT(ptp_rx_msg_type_delay_resp),
114 STMMAC_STAT(ptp_rx_msg_type_pdelay_req),
115 STMMAC_STAT(ptp_rx_msg_type_pdelay_resp),
116 STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up),
117 STMMAC_STAT(ptp_rx_msg_type_announce),
118 STMMAC_STAT(ptp_rx_msg_type_management),
119 STMMAC_STAT(ptp_rx_msg_pkt_reserved_type),
120 STMMAC_STAT(ptp_frame_type),
121 STMMAC_STAT(ptp_ver),
122 STMMAC_STAT(timestamp_dropped),
123 STMMAC_STAT(av_pkt_rcvd),
124 STMMAC_STAT(av_tagged_pkt_rcvd),
125 STMMAC_STAT(vlan_tag_priority_val),
126 STMMAC_STAT(l3_filter_match),
127 STMMAC_STAT(l4_filter_match),
128 STMMAC_STAT(l3_l4_filter_no_match),
129
130 STMMAC_STAT(irq_pcs_ane_n),
131 STMMAC_STAT(irq_pcs_link_n),
132 STMMAC_STAT(irq_rgmii_n),
133
134 STMMAC_STAT(mtl_tx_status_fifo_full),
135 STMMAC_STAT(mtl_tx_fifo_not_empty),
136 STMMAC_STAT(mmtl_fifo_ctrl),
137 STMMAC_STAT(mtl_tx_fifo_read_ctrl_write),
138 STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait),
139 STMMAC_STAT(mtl_tx_fifo_read_ctrl_read),
140 STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle),
141 STMMAC_STAT(mac_tx_in_pause),
142 STMMAC_STAT(mac_tx_frame_ctrl_xfer),
143 STMMAC_STAT(mac_tx_frame_ctrl_idle),
144 STMMAC_STAT(mac_tx_frame_ctrl_wait),
145 STMMAC_STAT(mac_tx_frame_ctrl_pause),
146 STMMAC_STAT(mac_gmii_tx_proto_engine),
147 STMMAC_STAT(mtl_rx_fifo_fill_level_full),
148 STMMAC_STAT(mtl_rx_fifo_fill_above_thresh),
149 STMMAC_STAT(mtl_rx_fifo_fill_below_thresh),
150 STMMAC_STAT(mtl_rx_fifo_fill_level_empty),
151 STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush),
152 STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data),
153 STMMAC_STAT(mtl_rx_fifo_read_ctrl_status),
154 STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle),
155 STMMAC_STAT(mtl_rx_fifo_ctrl_active),
156 STMMAC_STAT(mac_rx_frame_ctrl_fifo),
157 STMMAC_STAT(mac_gmii_rx_proto_engine),
158
159 STMMAC_STAT(tx_tso_frames),
160 STMMAC_STAT(tx_tso_nfrags),
161
162 STMMAC_STAT(mtl_est_cgce),
163 STMMAC_STAT(mtl_est_hlbs),
164 STMMAC_STAT(mtl_est_hlbf),
165 STMMAC_STAT(mtl_est_btre),
166 STMMAC_STAT(mtl_est_btrlm),
167};
168#define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
169
170
171#define STMMAC_MMC_STAT(m) \
172 { #m, sizeof_field(struct stmmac_counters, m), \
173 offsetof(struct stmmac_priv, mmc.m)}
174
175static const struct stmmac_stats stmmac_mmc[] = {
176 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
177 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
178 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
179 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
180 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
181 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
182 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
183 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
184 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
185 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
186 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
187 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
188 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
189 STMMAC_MMC_STAT(mmc_tx_underflow_error),
190 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
191 STMMAC_MMC_STAT(mmc_tx_multicol_g),
192 STMMAC_MMC_STAT(mmc_tx_deferred),
193 STMMAC_MMC_STAT(mmc_tx_latecol),
194 STMMAC_MMC_STAT(mmc_tx_exesscol),
195 STMMAC_MMC_STAT(mmc_tx_carrier_error),
196 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
197 STMMAC_MMC_STAT(mmc_tx_framecount_g),
198 STMMAC_MMC_STAT(mmc_tx_excessdef),
199 STMMAC_MMC_STAT(mmc_tx_pause_frame),
200 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
201 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
202 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
203 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
204 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
205 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
206 STMMAC_MMC_STAT(mmc_rx_crc_error),
207 STMMAC_MMC_STAT(mmc_rx_align_error),
208 STMMAC_MMC_STAT(mmc_rx_run_error),
209 STMMAC_MMC_STAT(mmc_rx_jabber_error),
210 STMMAC_MMC_STAT(mmc_rx_undersize_g),
211 STMMAC_MMC_STAT(mmc_rx_oversize_g),
212 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
213 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
214 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
215 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
216 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
217 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
218 STMMAC_MMC_STAT(mmc_rx_unicast_g),
219 STMMAC_MMC_STAT(mmc_rx_length_error),
220 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
221 STMMAC_MMC_STAT(mmc_rx_pause_frames),
222 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
223 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
224 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
225 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
226 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
227 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
228 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
229 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
230 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
231 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
232 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
233 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
234 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
235 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
236 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
237 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
238 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
239 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
240 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
241 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
242 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
243 STMMAC_MMC_STAT(mmc_rx_udp_gd),
244 STMMAC_MMC_STAT(mmc_rx_udp_err),
245 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
246 STMMAC_MMC_STAT(mmc_rx_tcp_err),
247 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
248 STMMAC_MMC_STAT(mmc_rx_icmp_err),
249 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
250 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
251 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
252 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
253 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
254 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
255 STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr),
256 STMMAC_MMC_STAT(mmc_tx_hold_req_cntr),
257 STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr),
258 STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr),
259 STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr),
260 STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr),
261};
262#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
263
264static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
265 struct ethtool_drvinfo *info)
266{
267 struct stmmac_priv *priv = netdev_priv(dev);
268
269 if (priv->plat->has_gmac || priv->plat->has_gmac4)
270 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
271 else if (priv->plat->has_xgmac)
272 strlcpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver));
273 else
274 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
275 sizeof(info->driver));
276
277 if (priv->plat->pdev) {
278 strlcpy(info->bus_info, pci_name(priv->plat->pdev),
279 sizeof(info->bus_info));
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 case ETH_SS_TEST:
589 return stmmac_selftest_get_count(priv);
590 default:
591 return -EOPNOTSUPP;
592 }
593}
594
595static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
596{
597 int i;
598 u8 *p = data;
599 struct stmmac_priv *priv = netdev_priv(dev);
600
601 switch (stringset) {
602 case ETH_SS_STATS:
603 if (priv->dma_cap.asp) {
604 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
605 const char *desc;
606 if (!stmmac_safety_feat_dump(priv,
607 &priv->sstats, i,
608 NULL, &desc)) {
609 memcpy(p, desc, ETH_GSTRING_LEN);
610 p += ETH_GSTRING_LEN;
611 }
612 }
613 }
614 if (priv->dma_cap.rmon)
615 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
616 memcpy(p, stmmac_mmc[i].stat_string,
617 ETH_GSTRING_LEN);
618 p += ETH_GSTRING_LEN;
619 }
620 for (i = 0; i < STMMAC_STATS_LEN; i++) {
621 memcpy(p, stmmac_gstrings_stats[i].stat_string,
622 ETH_GSTRING_LEN);
623 p += ETH_GSTRING_LEN;
624 }
625 break;
626 case ETH_SS_TEST:
627 stmmac_selftest_get_strings(priv, p);
628 break;
629 default:
630 WARN_ON(1);
631 break;
632 }
633}
634
635
636static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
637{
638 struct stmmac_priv *priv = netdev_priv(dev);
639
640 if (!priv->plat->pmt)
641 return phylink_ethtool_get_wol(priv->phylink, wol);
642
643 mutex_lock(&priv->lock);
644 if (device_can_wakeup(priv->device)) {
645 wol->supported = WAKE_MAGIC | WAKE_UCAST;
646 if (priv->hw_cap_support && !priv->dma_cap.pmt_magic_frame)
647 wol->supported &= ~WAKE_MAGIC;
648 wol->wolopts = priv->wolopts;
649 }
650 mutex_unlock(&priv->lock);
651}
652
653static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
654{
655 struct stmmac_priv *priv = netdev_priv(dev);
656 u32 support = WAKE_MAGIC | WAKE_UCAST;
657
658 if (!device_can_wakeup(priv->device))
659 return -EOPNOTSUPP;
660
661 if (!priv->plat->pmt) {
662 int ret = phylink_ethtool_set_wol(priv->phylink, wol);
663
664 if (!ret)
665 device_set_wakeup_enable(priv->device, !!wol->wolopts);
666 return ret;
667 }
668
669
670
671
672 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
673 wol->wolopts &= ~WAKE_MAGIC;
674
675 if (wol->wolopts & ~support)
676 return -EINVAL;
677
678 if (wol->wolopts) {
679 pr_info("stmmac: wakeup enable\n");
680 device_set_wakeup_enable(priv->device, 1);
681 enable_irq_wake(priv->wol_irq);
682 } else {
683 device_set_wakeup_enable(priv->device, 0);
684 disable_irq_wake(priv->wol_irq);
685 }
686
687 mutex_lock(&priv->lock);
688 priv->wolopts = wol->wolopts;
689 mutex_unlock(&priv->lock);
690
691 return 0;
692}
693
694static int stmmac_ethtool_op_get_eee(struct net_device *dev,
695 struct ethtool_eee *edata)
696{
697 struct stmmac_priv *priv = netdev_priv(dev);
698
699 if (!priv->dma_cap.eee)
700 return -EOPNOTSUPP;
701
702 edata->eee_enabled = priv->eee_enabled;
703 edata->eee_active = priv->eee_active;
704 edata->tx_lpi_timer = priv->tx_lpi_timer;
705 edata->tx_lpi_enabled = priv->tx_lpi_enabled;
706
707 return phylink_ethtool_get_eee(priv->phylink, edata);
708}
709
710static int stmmac_ethtool_op_set_eee(struct net_device *dev,
711 struct ethtool_eee *edata)
712{
713 struct stmmac_priv *priv = netdev_priv(dev);
714 int ret;
715
716 if (!priv->dma_cap.eee)
717 return -EOPNOTSUPP;
718
719 if (priv->tx_lpi_enabled != edata->tx_lpi_enabled)
720 netdev_warn(priv->dev,
721 "Setting EEE tx-lpi is not supported\n");
722
723 if (priv->hw->xpcs) {
724 ret = xpcs_config_eee(priv->hw->xpcs,
725 priv->plat->mult_fact_100ns,
726 edata->eee_enabled);
727 if (ret)
728 return ret;
729 }
730
731 if (!edata->eee_enabled)
732 stmmac_disable_eee_mode(priv);
733
734 ret = phylink_ethtool_set_eee(priv->phylink, edata);
735 if (ret)
736 return ret;
737
738 if (edata->eee_enabled &&
739 priv->tx_lpi_timer != edata->tx_lpi_timer) {
740 priv->tx_lpi_timer = edata->tx_lpi_timer;
741 stmmac_eee_init(priv);
742 }
743
744 return 0;
745}
746
747static u32 stmmac_usec2riwt(u32 usec, 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 (usec * (clk / 1000000)) / 256;
758}
759
760static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
761{
762 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
763
764 if (!clk) {
765 clk = priv->plat->clk_ref_rate;
766 if (!clk)
767 return 0;
768 }
769
770 return (riwt * 256) / (clk / 1000000);
771}
772
773static int __stmmac_get_coalesce(struct net_device *dev,
774 struct ethtool_coalesce *ec,
775 int queue)
776{
777 struct stmmac_priv *priv = netdev_priv(dev);
778 u32 max_cnt;
779 u32 rx_cnt;
780 u32 tx_cnt;
781
782 rx_cnt = priv->plat->rx_queues_to_use;
783 tx_cnt = priv->plat->tx_queues_to_use;
784 max_cnt = max(rx_cnt, tx_cnt);
785
786 if (queue < 0)
787 queue = 0;
788 else if (queue >= max_cnt)
789 return -EINVAL;
790
791 if (queue < tx_cnt) {
792 ec->tx_coalesce_usecs = priv->tx_coal_timer[queue];
793 ec->tx_max_coalesced_frames = priv->tx_coal_frames[queue];
794 } else {
795 ec->tx_coalesce_usecs = 0;
796 ec->tx_max_coalesced_frames = 0;
797 }
798
799 if (priv->use_riwt && queue < rx_cnt) {
800 ec->rx_max_coalesced_frames = priv->rx_coal_frames[queue];
801 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt[queue],
802 priv);
803 } else {
804 ec->rx_max_coalesced_frames = 0;
805 ec->rx_coalesce_usecs = 0;
806 }
807
808 return 0;
809}
810
811static int stmmac_get_coalesce(struct net_device *dev,
812 struct ethtool_coalesce *ec)
813{
814 return __stmmac_get_coalesce(dev, ec, -1);
815}
816
817static int stmmac_get_per_queue_coalesce(struct net_device *dev, u32 queue,
818 struct ethtool_coalesce *ec)
819{
820 return __stmmac_get_coalesce(dev, ec, queue);
821}
822
823static int __stmmac_set_coalesce(struct net_device *dev,
824 struct ethtool_coalesce *ec,
825 int queue)
826{
827 struct stmmac_priv *priv = netdev_priv(dev);
828 bool all_queues = false;
829 unsigned int rx_riwt;
830 u32 max_cnt;
831 u32 rx_cnt;
832 u32 tx_cnt;
833
834 rx_cnt = priv->plat->rx_queues_to_use;
835 tx_cnt = priv->plat->tx_queues_to_use;
836 max_cnt = max(rx_cnt, tx_cnt);
837
838 if (queue < 0)
839 all_queues = true;
840 else if (queue >= max_cnt)
841 return -EINVAL;
842
843 if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) {
844 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
845
846 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
847 return -EINVAL;
848
849 if (all_queues) {
850 int i;
851
852 for (i = 0; i < rx_cnt; i++) {
853 priv->rx_riwt[i] = rx_riwt;
854 stmmac_rx_watchdog(priv, priv->ioaddr,
855 rx_riwt, i);
856 priv->rx_coal_frames[i] =
857 ec->rx_max_coalesced_frames;
858 }
859 } else if (queue < rx_cnt) {
860 priv->rx_riwt[queue] = rx_riwt;
861 stmmac_rx_watchdog(priv, priv->ioaddr,
862 rx_riwt, queue);
863 priv->rx_coal_frames[queue] =
864 ec->rx_max_coalesced_frames;
865 }
866 }
867
868 if ((ec->tx_coalesce_usecs == 0) &&
869 (ec->tx_max_coalesced_frames == 0))
870 return -EINVAL;
871
872 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) ||
873 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
874 return -EINVAL;
875
876 if (all_queues) {
877 int i;
878
879 for (i = 0; i < tx_cnt; i++) {
880 priv->tx_coal_frames[i] =
881 ec->tx_max_coalesced_frames;
882 priv->tx_coal_timer[i] =
883 ec->tx_coalesce_usecs;
884 }
885 } else if (queue < tx_cnt) {
886 priv->tx_coal_frames[queue] =
887 ec->tx_max_coalesced_frames;
888 priv->tx_coal_timer[queue] =
889 ec->tx_coalesce_usecs;
890 }
891
892 return 0;
893}
894
895static int stmmac_set_coalesce(struct net_device *dev,
896 struct ethtool_coalesce *ec)
897{
898 return __stmmac_set_coalesce(dev, ec, -1);
899}
900
901static int stmmac_set_per_queue_coalesce(struct net_device *dev, u32 queue,
902 struct ethtool_coalesce *ec)
903{
904 return __stmmac_set_coalesce(dev, ec, queue);
905}
906
907static int stmmac_get_rxnfc(struct net_device *dev,
908 struct ethtool_rxnfc *rxnfc, u32 *rule_locs)
909{
910 struct stmmac_priv *priv = netdev_priv(dev);
911
912 switch (rxnfc->cmd) {
913 case ETHTOOL_GRXRINGS:
914 rxnfc->data = priv->plat->rx_queues_to_use;
915 break;
916 default:
917 return -EOPNOTSUPP;
918 }
919
920 return 0;
921}
922
923static u32 stmmac_get_rxfh_key_size(struct net_device *dev)
924{
925 struct stmmac_priv *priv = netdev_priv(dev);
926
927 return sizeof(priv->rss.key);
928}
929
930static u32 stmmac_get_rxfh_indir_size(struct net_device *dev)
931{
932 struct stmmac_priv *priv = netdev_priv(dev);
933
934 return ARRAY_SIZE(priv->rss.table);
935}
936
937static int stmmac_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
938 u8 *hfunc)
939{
940 struct stmmac_priv *priv = netdev_priv(dev);
941 int i;
942
943 if (indir) {
944 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++)
945 indir[i] = priv->rss.table[i];
946 }
947
948 if (key)
949 memcpy(key, priv->rss.key, sizeof(priv->rss.key));
950 if (hfunc)
951 *hfunc = ETH_RSS_HASH_TOP;
952
953 return 0;
954}
955
956static int stmmac_set_rxfh(struct net_device *dev, const u32 *indir,
957 const u8 *key, const u8 hfunc)
958{
959 struct stmmac_priv *priv = netdev_priv(dev);
960 int i;
961
962 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP))
963 return -EOPNOTSUPP;
964
965 if (indir) {
966 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++)
967 priv->rss.table[i] = indir[i];
968 }
969
970 if (key)
971 memcpy(priv->rss.key, key, sizeof(priv->rss.key));
972
973 return stmmac_rss_configure(priv, priv->hw, &priv->rss,
974 priv->plat->rx_queues_to_use);
975}
976
977static void stmmac_get_channels(struct net_device *dev,
978 struct ethtool_channels *chan)
979{
980 struct stmmac_priv *priv = netdev_priv(dev);
981
982 chan->rx_count = priv->plat->rx_queues_to_use;
983 chan->tx_count = priv->plat->tx_queues_to_use;
984 chan->max_rx = priv->dma_cap.number_rx_queues;
985 chan->max_tx = priv->dma_cap.number_tx_queues;
986}
987
988static int stmmac_set_channels(struct net_device *dev,
989 struct ethtool_channels *chan)
990{
991 struct stmmac_priv *priv = netdev_priv(dev);
992
993 if (chan->rx_count > priv->dma_cap.number_rx_queues ||
994 chan->tx_count > priv->dma_cap.number_tx_queues ||
995 !chan->rx_count || !chan->tx_count)
996 return -EINVAL;
997
998 return stmmac_reinit_queues(dev, chan->rx_count, chan->tx_count);
999}
1000
1001static int stmmac_get_ts_info(struct net_device *dev,
1002 struct ethtool_ts_info *info)
1003{
1004 struct stmmac_priv *priv = netdev_priv(dev);
1005
1006 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
1007
1008 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1009 SOF_TIMESTAMPING_TX_HARDWARE |
1010 SOF_TIMESTAMPING_RX_SOFTWARE |
1011 SOF_TIMESTAMPING_RX_HARDWARE |
1012 SOF_TIMESTAMPING_SOFTWARE |
1013 SOF_TIMESTAMPING_RAW_HARDWARE;
1014
1015 if (priv->ptp_clock)
1016 info->phc_index = ptp_clock_index(priv->ptp_clock);
1017
1018 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
1019
1020 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
1021 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1022 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1023 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1024 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1025 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1026 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
1027 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
1028 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
1029 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1030 (1 << HWTSTAMP_FILTER_ALL));
1031 return 0;
1032 } else
1033 return ethtool_op_get_ts_info(dev, info);
1034}
1035
1036static int stmmac_get_tunable(struct net_device *dev,
1037 const struct ethtool_tunable *tuna, void *data)
1038{
1039 struct stmmac_priv *priv = netdev_priv(dev);
1040 int ret = 0;
1041
1042 switch (tuna->id) {
1043 case ETHTOOL_RX_COPYBREAK:
1044 *(u32 *)data = priv->rx_copybreak;
1045 break;
1046 default:
1047 ret = -EINVAL;
1048 break;
1049 }
1050
1051 return ret;
1052}
1053
1054static int stmmac_set_tunable(struct net_device *dev,
1055 const struct ethtool_tunable *tuna,
1056 const void *data)
1057{
1058 struct stmmac_priv *priv = netdev_priv(dev);
1059 int ret = 0;
1060
1061 switch (tuna->id) {
1062 case ETHTOOL_RX_COPYBREAK:
1063 priv->rx_copybreak = *(u32 *)data;
1064 break;
1065 default:
1066 ret = -EINVAL;
1067 break;
1068 }
1069
1070 return ret;
1071}
1072
1073static const struct ethtool_ops stmmac_ethtool_ops = {
1074 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1075 ETHTOOL_COALESCE_MAX_FRAMES,
1076 .begin = stmmac_check_if_running,
1077 .get_drvinfo = stmmac_ethtool_getdrvinfo,
1078 .get_msglevel = stmmac_ethtool_getmsglevel,
1079 .set_msglevel = stmmac_ethtool_setmsglevel,
1080 .get_regs = stmmac_ethtool_gregs,
1081 .get_regs_len = stmmac_ethtool_get_regs_len,
1082 .get_link = ethtool_op_get_link,
1083 .nway_reset = stmmac_nway_reset,
1084 .get_ringparam = stmmac_get_ringparam,
1085 .set_ringparam = stmmac_set_ringparam,
1086 .get_pauseparam = stmmac_get_pauseparam,
1087 .set_pauseparam = stmmac_set_pauseparam,
1088 .self_test = stmmac_selftest_run,
1089 .get_ethtool_stats = stmmac_get_ethtool_stats,
1090 .get_strings = stmmac_get_strings,
1091 .get_wol = stmmac_get_wol,
1092 .set_wol = stmmac_set_wol,
1093 .get_eee = stmmac_ethtool_op_get_eee,
1094 .set_eee = stmmac_ethtool_op_set_eee,
1095 .get_sset_count = stmmac_get_sset_count,
1096 .get_rxnfc = stmmac_get_rxnfc,
1097 .get_rxfh_key_size = stmmac_get_rxfh_key_size,
1098 .get_rxfh_indir_size = stmmac_get_rxfh_indir_size,
1099 .get_rxfh = stmmac_get_rxfh,
1100 .set_rxfh = stmmac_set_rxfh,
1101 .get_ts_info = stmmac_get_ts_info,
1102 .get_coalesce = stmmac_get_coalesce,
1103 .set_coalesce = stmmac_set_coalesce,
1104 .get_per_queue_coalesce = stmmac_get_per_queue_coalesce,
1105 .set_per_queue_coalesce = stmmac_set_per_queue_coalesce,
1106 .get_channels = stmmac_get_channels,
1107 .set_channels = stmmac_set_channels,
1108 .get_tunable = stmmac_get_tunable,
1109 .set_tunable = stmmac_set_tunable,
1110 .get_link_ksettings = stmmac_ethtool_get_link_ksettings,
1111 .set_link_ksettings = stmmac_ethtool_set_link_ksettings,
1112};
1113
1114void stmmac_set_ethtool_ops(struct net_device *netdev)
1115{
1116 netdev->ethtool_ops = &stmmac_ethtool_ops;
1117}
1118
