]> git.ipfire.org Git - thirdparty/kernel/stable.git/blob - drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
projects / thirdparty / kernel / stable.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
net: stmmac: Fallback to Platform Data clock in Watchdog conversion
[thirdparty/kernel/stable.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_ethtool.c
1 /*******************************************************************************
2 STMMAC Ethtool support
3
4 Copyright (C) 2007-2009 STMicroelectronics Ltd
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 The full GNU General Public License is included in this distribution in
16 the file called "COPYING".
17
18 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
19 *******************************************************************************/
20
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
38 struct 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
48 static const struct stmmac_stats stmmac_gstrings_stats[] = {
49 /* Transmit errors */
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 /* Receive errors */
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 /* Tx/Rx IRQ error info */
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 /* Tx/Rx IRQ Events */
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 /* MMC info */
101 STMMAC_STAT(mmc_tx_irq_n),
102 STMMAC_STAT(mmc_rx_irq_n),
103 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
104 /* EEE */
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 /* Extended RDES status */
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 /* PCS */
137 STMMAC_STAT(irq_pcs_ane_n),
138 STMMAC_STAT(irq_pcs_link_n),
139 STMMAC_STAT(irq_rgmii_n),
140 /* DEBUG */
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 /* TSO */
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 /* HW MAC Management counters (if supported) */
172 #define STMMAC_MMC_STAT(m) \
173 { #m, FIELD_SIZEOF(struct stmmac_counters, m), \
174 offsetof(struct stmmac_priv, mmc.m)}
175
176 static 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
259 static 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
273 static 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 /* Get and convert ADV/LP_ADV from the HW AN registers */
294 if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv))
295 return -EOPNOTSUPP; /* should never happen indeed */
296
297 /* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */
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 /* Reg49[3] always set because ANE is always supported */
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
370 static int
371 stmmac_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 /* Only support ANE */
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
405 static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
406 {
407 struct stmmac_priv *priv = netdev_priv(dev);
408 return priv->msg_enable;
409 }
410
411 static 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
418 static int stmmac_check_if_running(struct net_device *dev)
419 {
420 if (!netif_running(dev))
421 return -EBUSY;
422 return 0;
423 }
424
425 static int stmmac_ethtool_get_regs_len(struct net_device *dev)
426 {
427 return REG_SPACE_SIZE;
428 }
429
430 static 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 /* Copy DMA registers to where ethtool expects them */
442 memcpy(&reg_space[ETHTOOL_DMA_OFFSET], &reg_space[DMA_BUS_MODE / 4],
443 NUM_DWMAC1000_DMA_REGS * 4);
444 }
445
446 static void
447 stmmac_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 (!linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
462 netdev->phydev->supported) ||
463 linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
464 netdev->phydev->supported))
465 return;
466 }
467
468 pause->autoneg = netdev->phydev->autoneg;
469
470 if (priv->flow_ctrl & FLOW_RX)
471 pause->rx_pause = 1;
472 if (priv->flow_ctrl & FLOW_TX)
473 pause->tx_pause = 1;
474
475 }
476
477 static int
478 stmmac_set_pauseparam(struct net_device *netdev,
479 struct ethtool_pauseparam *pause)
480 {
481 struct stmmac_priv *priv = netdev_priv(netdev);
482 u32 tx_cnt = priv->plat->tx_queues_to_use;
483 struct phy_device *phy = netdev->phydev;
484 int new_pause = FLOW_OFF;
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 -EOPNOTSUPP;
491 } else {
492 if (!linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
493 phy->supported) ||
494 linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
495 phy->supported))
496 return -EOPNOTSUPP;
497 }
498
499 if (pause->rx_pause)
500 new_pause |= FLOW_RX;
501 if (pause->tx_pause)
502 new_pause |= FLOW_TX;
503
504 priv->flow_ctrl = new_pause;
505 phy->autoneg = pause->autoneg;
506
507 if (phy->autoneg) {
508 if (netif_running(netdev))
509 return phy_start_aneg(phy);
510 }
511
512 stmmac_flow_ctrl(priv, priv->hw, phy->duplex, priv->flow_ctrl,
513 priv->pause, tx_cnt);
514 return 0;
515 }
516
517 static void stmmac_get_ethtool_stats(struct net_device *dev,
518 struct ethtool_stats *dummy, u64 *data)
519 {
520 struct stmmac_priv *priv = netdev_priv(dev);
521 u32 rx_queues_count = priv->plat->rx_queues_to_use;
522 u32 tx_queues_count = priv->plat->tx_queues_to_use;
523 unsigned long count;
524 int i, j = 0, ret;
525
526 if (priv->dma_cap.asp) {
527 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
528 if (!stmmac_safety_feat_dump(priv, &priv->sstats, i,
529 &count, NULL))
530 data[j++] = count;
531 }
532 }
533
534 /* Update the DMA HW counters for dwmac10/100 */
535 ret = stmmac_dma_diagnostic_fr(priv, &dev->stats, (void *) &priv->xstats,
536 priv->ioaddr);
537 if (ret) {
538 /* If supported, for new GMAC chips expose the MMC counters */
539 if (priv->dma_cap.rmon) {
540 dwmac_mmc_read(priv->mmcaddr, &priv->mmc);
541
542 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
543 char *p;
544 p = (char *)priv + stmmac_mmc[i].stat_offset;
545
546 data[j++] = (stmmac_mmc[i].sizeof_stat ==
547 sizeof(u64)) ? (*(u64 *)p) :
548 (*(u32 *)p);
549 }
550 }
551 if (priv->eee_enabled) {
552 int val = phy_get_eee_err(dev->phydev);
553 if (val)
554 priv->xstats.phy_eee_wakeup_error_n = val;
555 }
556
557 if (priv->synopsys_id >= DWMAC_CORE_3_50)
558 stmmac_mac_debug(priv, priv->ioaddr,
559 (void *)&priv->xstats,
560 rx_queues_count, tx_queues_count);
561 }
562 for (i = 0; i < STMMAC_STATS_LEN; i++) {
563 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
564 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat ==
565 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
566 }
567 }
568
569 static int stmmac_get_sset_count(struct net_device *netdev, int sset)
570 {
571 struct stmmac_priv *priv = netdev_priv(netdev);
572 int i, len, safety_len = 0;
573
574 switch (sset) {
575 case ETH_SS_STATS:
576 len = STMMAC_STATS_LEN;
577
578 if (priv->dma_cap.rmon)
579 len += STMMAC_MMC_STATS_LEN;
580 if (priv->dma_cap.asp) {
581 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
582 if (!stmmac_safety_feat_dump(priv,
583 &priv->sstats, i,
584 NULL, NULL))
585 safety_len++;
586 }
587
588 len += safety_len;
589 }
590
591 return len;
592 default:
593 return -EOPNOTSUPP;
594 }
595 }
596
597 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
598 {
599 int i;
600 u8 *p = data;
601 struct stmmac_priv *priv = netdev_priv(dev);
602
603 switch (stringset) {
604 case ETH_SS_STATS:
605 if (priv->dma_cap.asp) {
606 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) {
607 const char *desc;
608 if (!stmmac_safety_feat_dump(priv,
609 &priv->sstats, i,
610 NULL, &desc)) {
611 memcpy(p, desc, ETH_GSTRING_LEN);
612 p += ETH_GSTRING_LEN;
613 }
614 }
615 }
616 if (priv->dma_cap.rmon)
617 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
618 memcpy(p, stmmac_mmc[i].stat_string,
619 ETH_GSTRING_LEN);
620 p += ETH_GSTRING_LEN;
621 }
622 for (i = 0; i < STMMAC_STATS_LEN; i++) {
623 memcpy(p, stmmac_gstrings_stats[i].stat_string,
624 ETH_GSTRING_LEN);
625 p += ETH_GSTRING_LEN;
626 }
627 break;
628 default:
629 WARN_ON(1);
630 break;
631 }
632 }
633
634 /* Currently only support WOL through Magic packet. */
635 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
636 {
637 struct stmmac_priv *priv = netdev_priv(dev);
638
639 mutex_lock(&priv->lock);
640 if (device_can_wakeup(priv->device)) {
641 wol->supported = WAKE_MAGIC | WAKE_UCAST;
642 wol->wolopts = priv->wolopts;
643 }
644 mutex_unlock(&priv->lock);
645 }
646
647 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
648 {
649 struct stmmac_priv *priv = netdev_priv(dev);
650 u32 support = WAKE_MAGIC | WAKE_UCAST;
651
652 /* By default almost all GMAC devices support the WoL via
653 * magic frame but we can disable it if the HW capability
654 * register shows no support for pmt_magic_frame. */
655 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
656 wol->wolopts &= ~WAKE_MAGIC;
657
658 if (!device_can_wakeup(priv->device))
659 return -EINVAL;
660
661 if (wol->wolopts & ~support)
662 return -EINVAL;
663
664 if (wol->wolopts) {
665 pr_info("stmmac: wakeup enable\n");
666 device_set_wakeup_enable(priv->device, 1);
667 enable_irq_wake(priv->wol_irq);
668 } else {
669 device_set_wakeup_enable(priv->device, 0);
670 disable_irq_wake(priv->wol_irq);
671 }
672
673 mutex_lock(&priv->lock);
674 priv->wolopts = wol->wolopts;
675 mutex_unlock(&priv->lock);
676
677 return 0;
678 }
679
680 static int stmmac_ethtool_op_get_eee(struct net_device *dev,
681 struct ethtool_eee *edata)
682 {
683 struct stmmac_priv *priv = netdev_priv(dev);
684
685 if (!priv->dma_cap.eee)
686 return -EOPNOTSUPP;
687
688 edata->eee_enabled = priv->eee_enabled;
689 edata->eee_active = priv->eee_active;
690 edata->tx_lpi_timer = priv->tx_lpi_timer;
691
692 return phy_ethtool_get_eee(dev->phydev, edata);
693 }
694
695 static int stmmac_ethtool_op_set_eee(struct net_device *dev,
696 struct ethtool_eee *edata)
697 {
698 struct stmmac_priv *priv = netdev_priv(dev);
699
700 priv->eee_enabled = edata->eee_enabled;
701
702 if (!priv->eee_enabled)
703 stmmac_disable_eee_mode(priv);
704 else {
705 /* We are asking for enabling the EEE but it is safe
706 * to verify all by invoking the eee_init function.
707 * In case of failure it will return an error.
708 */
709 priv->eee_enabled = stmmac_eee_init(priv);
710 if (!priv->eee_enabled)
711 return -EOPNOTSUPP;
712
713 /* Do not change tx_lpi_timer in case of failure */
714 priv->tx_lpi_timer = edata->tx_lpi_timer;
715 }
716
717 return phy_ethtool_set_eee(dev->phydev, edata);
718 }
719
720 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
721 {
722 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
723
724 if (!clk) {
725 clk = priv->plat->clk_ref_rate;
726 if (!clk)
727 return 0;
728 }
729
730 return (usec * (clk / 1000000)) / 256;
731 }
732
733 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
734 {
735 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk);
736
737 if (!clk) {
738 clk = priv->plat->clk_ref_rate;
739 if (!clk)
740 return 0;
741 }
742
743 return (riwt * 256) / (clk / 1000000);
744 }
745
746 static int stmmac_get_coalesce(struct net_device *dev,
747 struct ethtool_coalesce *ec)
748 {
749 struct stmmac_priv *priv = netdev_priv(dev);
750
751 ec->tx_coalesce_usecs = priv->tx_coal_timer;
752 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
753
754 if (priv->use_riwt)
755 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
756
757 return 0;
758 }
759
760 static int stmmac_set_coalesce(struct net_device *dev,
761 struct ethtool_coalesce *ec)
762 {
763 struct stmmac_priv *priv = netdev_priv(dev);
764 u32 rx_cnt = priv->plat->rx_queues_to_use;
765 unsigned int rx_riwt;
766
767 /* Check not supported parameters */
768 if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) ||
769 (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
770 (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
771 (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) ||
772 (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) ||
773 (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) ||
774 (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) ||
775 (ec->rx_max_coalesced_frames_high) ||
776 (ec->tx_max_coalesced_frames_irq) ||
777 (ec->stats_block_coalesce_usecs) ||
778 (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval))
779 return -EOPNOTSUPP;
780
781 if (ec->rx_coalesce_usecs == 0)
782 return -EINVAL;
783
784 if ((ec->tx_coalesce_usecs == 0) &&
785 (ec->tx_max_coalesced_frames == 0))
786 return -EINVAL;
787
788 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) ||
789 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
790 return -EINVAL;
791
792 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
793
794 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
795 return -EINVAL;
796 else if (!priv->use_riwt)
797 return -EOPNOTSUPP;
798
799 /* Only copy relevant parameters, ignore all others. */
800 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
801 priv->tx_coal_timer = ec->tx_coalesce_usecs;
802 priv->rx_riwt = rx_riwt;
803 stmmac_rx_watchdog(priv, priv->ioaddr, priv->rx_riwt, rx_cnt);
804
805 return 0;
806 }
807
808 static int stmmac_get_ts_info(struct net_device *dev,
809 struct ethtool_ts_info *info)
810 {
811 struct stmmac_priv *priv = netdev_priv(dev);
812
813 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {
814
815 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
816 SOF_TIMESTAMPING_TX_HARDWARE |
817 SOF_TIMESTAMPING_RX_SOFTWARE |
818 SOF_TIMESTAMPING_RX_HARDWARE |
819 SOF_TIMESTAMPING_SOFTWARE |
820 SOF_TIMESTAMPING_RAW_HARDWARE;
821
822 if (priv->ptp_clock)
823 info->phc_index = ptp_clock_index(priv->ptp_clock);
824
825 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
826
827 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
828 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
829 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
830 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
831 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
832 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
833 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
834 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
835 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
836 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
837 (1 << HWTSTAMP_FILTER_ALL));
838 return 0;
839 } else
840 return ethtool_op_get_ts_info(dev, info);
841 }
842
843 static int stmmac_get_tunable(struct net_device *dev,
844 const struct ethtool_tunable *tuna, void *data)
845 {
846 struct stmmac_priv *priv = netdev_priv(dev);
847 int ret = 0;
848
849 switch (tuna->id) {
850 case ETHTOOL_RX_COPYBREAK:
851 *(u32 *)data = priv->rx_copybreak;
852 break;
853 default:
854 ret = -EINVAL;
855 break;
856 }
857
858 return ret;
859 }
860
861 static int stmmac_set_tunable(struct net_device *dev,
862 const struct ethtool_tunable *tuna,
863 const void *data)
864 {
865 struct stmmac_priv *priv = netdev_priv(dev);
866 int ret = 0;
867
868 switch (tuna->id) {
869 case ETHTOOL_RX_COPYBREAK:
870 priv->rx_copybreak = *(u32 *)data;
871 break;
872 default:
873 ret = -EINVAL;
874 break;
875 }
876
877 return ret;
878 }
879
880 static const struct ethtool_ops stmmac_ethtool_ops = {
881 .begin = stmmac_check_if_running,
882 .get_drvinfo = stmmac_ethtool_getdrvinfo,
883 .get_msglevel = stmmac_ethtool_getmsglevel,
884 .set_msglevel = stmmac_ethtool_setmsglevel,
885 .get_regs = stmmac_ethtool_gregs,
886 .get_regs_len = stmmac_ethtool_get_regs_len,
887 .get_link = ethtool_op_get_link,
888 .nway_reset = phy_ethtool_nway_reset,
889 .get_pauseparam = stmmac_get_pauseparam,
890 .set_pauseparam = stmmac_set_pauseparam,
891 .get_ethtool_stats = stmmac_get_ethtool_stats,
892 .get_strings = stmmac_get_strings,
893 .get_wol = stmmac_get_wol,
894 .set_wol = stmmac_set_wol,
895 .get_eee = stmmac_ethtool_op_get_eee,
896 .set_eee = stmmac_ethtool_op_set_eee,
897 .get_sset_count = stmmac_get_sset_count,
898 .get_ts_info = stmmac_get_ts_info,
899 .get_coalesce = stmmac_get_coalesce,
900 .set_coalesce = stmmac_set_coalesce,
901 .get_tunable = stmmac_get_tunable,
902 .set_tunable = stmmac_set_tunable,
903 .get_link_ksettings = stmmac_ethtool_get_link_ksettings,
904 .set_link_ksettings = stmmac_ethtool_set_link_ksettings,
905 };
906
907 void stmmac_set_ethtool_ops(struct net_device *netdev)
908 {
909 netdev->ethtool_ops = &stmmac_ethtool_ops;
910 }
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git