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net: get rid of SET_ETHTOOL_OPS
[deliverable/linux.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 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
23 *******************************************************************************/
24
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
40 struct 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
50 static const struct stmmac_stats stmmac_gstrings_stats[] = {
51 /* Transmit errors */
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 /* Receive errors */
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 /* Tx/Rx IRQ error info */
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 /* Tx/Rx IRQ Events */
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_reset_ic_bit),
101 STMMAC_STAT(irq_receive_pmt_irq_n),
102 /* MMC info */
103 STMMAC_STAT(mmc_tx_irq_n),
104 STMMAC_STAT(mmc_rx_irq_n),
105 STMMAC_STAT(mmc_rx_csum_offload_irq_n),
106 /* EEE */
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 /* Extended RDES status */
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 /* PCS */
136 STMMAC_STAT(irq_pcs_ane_n),
137 STMMAC_STAT(irq_pcs_link_n),
138 STMMAC_STAT(irq_rgmii_n),
139 };
140 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats)
141
142 /* HW MAC Management counters (if supported) */
143 #define STMMAC_MMC_STAT(m) \
144 { #m, FIELD_SIZEOF(struct stmmac_counters, m), \
145 offsetof(struct stmmac_priv, mmc.m)}
146
147 static const struct stmmac_stats stmmac_mmc[] = {
148 STMMAC_MMC_STAT(mmc_tx_octetcount_gb),
149 STMMAC_MMC_STAT(mmc_tx_framecount_gb),
150 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g),
151 STMMAC_MMC_STAT(mmc_tx_multicastframe_g),
152 STMMAC_MMC_STAT(mmc_tx_64_octets_gb),
153 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb),
154 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb),
155 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb),
156 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb),
157 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb),
158 STMMAC_MMC_STAT(mmc_tx_unicast_gb),
159 STMMAC_MMC_STAT(mmc_tx_multicast_gb),
160 STMMAC_MMC_STAT(mmc_tx_broadcast_gb),
161 STMMAC_MMC_STAT(mmc_tx_underflow_error),
162 STMMAC_MMC_STAT(mmc_tx_singlecol_g),
163 STMMAC_MMC_STAT(mmc_tx_multicol_g),
164 STMMAC_MMC_STAT(mmc_tx_deferred),
165 STMMAC_MMC_STAT(mmc_tx_latecol),
166 STMMAC_MMC_STAT(mmc_tx_exesscol),
167 STMMAC_MMC_STAT(mmc_tx_carrier_error),
168 STMMAC_MMC_STAT(mmc_tx_octetcount_g),
169 STMMAC_MMC_STAT(mmc_tx_framecount_g),
170 STMMAC_MMC_STAT(mmc_tx_excessdef),
171 STMMAC_MMC_STAT(mmc_tx_pause_frame),
172 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g),
173 STMMAC_MMC_STAT(mmc_rx_framecount_gb),
174 STMMAC_MMC_STAT(mmc_rx_octetcount_gb),
175 STMMAC_MMC_STAT(mmc_rx_octetcount_g),
176 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g),
177 STMMAC_MMC_STAT(mmc_rx_multicastframe_g),
178 STMMAC_MMC_STAT(mmc_rx_crc_errror),
179 STMMAC_MMC_STAT(mmc_rx_align_error),
180 STMMAC_MMC_STAT(mmc_rx_run_error),
181 STMMAC_MMC_STAT(mmc_rx_jabber_error),
182 STMMAC_MMC_STAT(mmc_rx_undersize_g),
183 STMMAC_MMC_STAT(mmc_rx_oversize_g),
184 STMMAC_MMC_STAT(mmc_rx_64_octets_gb),
185 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb),
186 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb),
187 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb),
188 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb),
189 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb),
190 STMMAC_MMC_STAT(mmc_rx_unicast_g),
191 STMMAC_MMC_STAT(mmc_rx_length_error),
192 STMMAC_MMC_STAT(mmc_rx_autofrangetype),
193 STMMAC_MMC_STAT(mmc_rx_pause_frames),
194 STMMAC_MMC_STAT(mmc_rx_fifo_overflow),
195 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb),
196 STMMAC_MMC_STAT(mmc_rx_watchdog_error),
197 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask),
198 STMMAC_MMC_STAT(mmc_rx_ipc_intr),
199 STMMAC_MMC_STAT(mmc_rx_ipv4_gd),
200 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr),
201 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay),
202 STMMAC_MMC_STAT(mmc_rx_ipv4_frag),
203 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl),
204 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets),
205 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets),
206 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets),
207 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets),
208 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets),
209 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets),
210 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets),
211 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets),
212 STMMAC_MMC_STAT(mmc_rx_ipv6_gd),
213 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr),
214 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay),
215 STMMAC_MMC_STAT(mmc_rx_udp_gd),
216 STMMAC_MMC_STAT(mmc_rx_udp_err),
217 STMMAC_MMC_STAT(mmc_rx_tcp_gd),
218 STMMAC_MMC_STAT(mmc_rx_tcp_err),
219 STMMAC_MMC_STAT(mmc_rx_icmp_gd),
220 STMMAC_MMC_STAT(mmc_rx_icmp_err),
221 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets),
222 STMMAC_MMC_STAT(mmc_rx_udp_err_octets),
223 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets),
224 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets),
225 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets),
226 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets),
227 };
228 #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc)
229
230 static void stmmac_ethtool_getdrvinfo(struct net_device *dev,
231 struct ethtool_drvinfo *info)
232 {
233 struct stmmac_priv *priv = netdev_priv(dev);
234
235 if (priv->plat->has_gmac)
236 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver));
237 else
238 strlcpy(info->driver, MAC100_ETHTOOL_NAME,
239 sizeof(info->driver));
240
241 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
242 }
243
244 static int stmmac_ethtool_getsettings(struct net_device *dev,
245 struct ethtool_cmd *cmd)
246 {
247 struct stmmac_priv *priv = netdev_priv(dev);
248 struct phy_device *phy = priv->phydev;
249 int rc;
250
251 if ((priv->pcs & STMMAC_PCS_RGMII) || (priv->pcs & STMMAC_PCS_SGMII)) {
252 struct rgmii_adv adv;
253
254 if (!priv->xstats.pcs_link) {
255 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
256 cmd->duplex = DUPLEX_UNKNOWN;
257 return 0;
258 }
259 cmd->duplex = priv->xstats.pcs_duplex;
260
261 ethtool_cmd_speed_set(cmd, priv->xstats.pcs_speed);
262
263 /* Get and convert ADV/LP_ADV from the HW AN registers */
264 if (priv->hw->mac->get_adv)
265 priv->hw->mac->get_adv(priv->ioaddr, &adv);
266 else
267 return -EOPNOTSUPP; /* should never happen indeed */
268
269 /* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */
270
271 if (adv.pause & STMMAC_PCS_PAUSE)
272 cmd->advertising |= ADVERTISED_Pause;
273 if (adv.pause & STMMAC_PCS_ASYM_PAUSE)
274 cmd->advertising |= ADVERTISED_Asym_Pause;
275 if (adv.lp_pause & STMMAC_PCS_PAUSE)
276 cmd->lp_advertising |= ADVERTISED_Pause;
277 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE)
278 cmd->lp_advertising |= ADVERTISED_Asym_Pause;
279
280 /* Reg49[3] always set because ANE is always supported */
281 cmd->autoneg = ADVERTISED_Autoneg;
282 cmd->supported |= SUPPORTED_Autoneg;
283 cmd->advertising |= ADVERTISED_Autoneg;
284 cmd->lp_advertising |= ADVERTISED_Autoneg;
285
286 if (adv.duplex) {
287 cmd->supported |= (SUPPORTED_1000baseT_Full |
288 SUPPORTED_100baseT_Full |
289 SUPPORTED_10baseT_Full);
290 cmd->advertising |= (ADVERTISED_1000baseT_Full |
291 ADVERTISED_100baseT_Full |
292 ADVERTISED_10baseT_Full);
293 } else {
294 cmd->supported |= (SUPPORTED_1000baseT_Half |
295 SUPPORTED_100baseT_Half |
296 SUPPORTED_10baseT_Half);
297 cmd->advertising |= (ADVERTISED_1000baseT_Half |
298 ADVERTISED_100baseT_Half |
299 ADVERTISED_10baseT_Half);
300 }
301 if (adv.lp_duplex)
302 cmd->lp_advertising |= (ADVERTISED_1000baseT_Full |
303 ADVERTISED_100baseT_Full |
304 ADVERTISED_10baseT_Full);
305 else
306 cmd->lp_advertising |= (ADVERTISED_1000baseT_Half |
307 ADVERTISED_100baseT_Half |
308 ADVERTISED_10baseT_Half);
309 cmd->port = PORT_OTHER;
310
311 return 0;
312 }
313
314 if (phy == NULL) {
315 pr_err("%s: %s: PHY is not registered\n",
316 __func__, dev->name);
317 return -ENODEV;
318 }
319 if (!netif_running(dev)) {
320 pr_err("%s: interface is disabled: we cannot track "
321 "link speed / duplex setting\n", dev->name);
322 return -EBUSY;
323 }
324 cmd->transceiver = XCVR_INTERNAL;
325 spin_lock_irq(&priv->lock);
326 rc = phy_ethtool_gset(phy, cmd);
327 spin_unlock_irq(&priv->lock);
328 return rc;
329 }
330
331 static int stmmac_ethtool_setsettings(struct net_device *dev,
332 struct ethtool_cmd *cmd)
333 {
334 struct stmmac_priv *priv = netdev_priv(dev);
335 struct phy_device *phy = priv->phydev;
336 int rc;
337
338 if ((priv->pcs & STMMAC_PCS_RGMII) || (priv->pcs & STMMAC_PCS_SGMII)) {
339 u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause;
340
341 /* Only support ANE */
342 if (cmd->autoneg != AUTONEG_ENABLE)
343 return -EINVAL;
344
345 if (cmd->autoneg == AUTONEG_ENABLE) {
346 mask &= (ADVERTISED_1000baseT_Half |
347 ADVERTISED_1000baseT_Full |
348 ADVERTISED_100baseT_Half |
349 ADVERTISED_100baseT_Full |
350 ADVERTISED_10baseT_Half |
351 ADVERTISED_10baseT_Full);
352
353 spin_lock(&priv->lock);
354 if (priv->hw->mac->ctrl_ane)
355 priv->hw->mac->ctrl_ane(priv->ioaddr, 1);
356 spin_unlock(&priv->lock);
357 }
358
359 return 0;
360 }
361
362 spin_lock(&priv->lock);
363 rc = phy_ethtool_sset(phy, cmd);
364 spin_unlock(&priv->lock);
365
366 return rc;
367 }
368
369 static u32 stmmac_ethtool_getmsglevel(struct net_device *dev)
370 {
371 struct stmmac_priv *priv = netdev_priv(dev);
372 return priv->msg_enable;
373 }
374
375 static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level)
376 {
377 struct stmmac_priv *priv = netdev_priv(dev);
378 priv->msg_enable = level;
379
380 }
381
382 static int stmmac_check_if_running(struct net_device *dev)
383 {
384 if (!netif_running(dev))
385 return -EBUSY;
386 return 0;
387 }
388
389 static int stmmac_ethtool_get_regs_len(struct net_device *dev)
390 {
391 return REG_SPACE_SIZE;
392 }
393
394 static void stmmac_ethtool_gregs(struct net_device *dev,
395 struct ethtool_regs *regs, void *space)
396 {
397 int i;
398 u32 *reg_space = (u32 *) space;
399
400 struct stmmac_priv *priv = netdev_priv(dev);
401
402 memset(reg_space, 0x0, REG_SPACE_SIZE);
403
404 if (!priv->plat->has_gmac) {
405 /* MAC registers */
406 for (i = 0; i < 12; i++)
407 reg_space[i] = readl(priv->ioaddr + (i * 4));
408 /* DMA registers */
409 for (i = 0; i < 9; i++)
410 reg_space[i + 12] =
411 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
412 reg_space[22] = readl(priv->ioaddr + DMA_CUR_TX_BUF_ADDR);
413 reg_space[23] = readl(priv->ioaddr + DMA_CUR_RX_BUF_ADDR);
414 } else {
415 /* MAC registers */
416 for (i = 0; i < 55; i++)
417 reg_space[i] = readl(priv->ioaddr + (i * 4));
418 /* DMA registers */
419 for (i = 0; i < 22; i++)
420 reg_space[i + 55] =
421 readl(priv->ioaddr + (DMA_BUS_MODE + (i * 4)));
422 }
423 }
424
425 static void
426 stmmac_get_pauseparam(struct net_device *netdev,
427 struct ethtool_pauseparam *pause)
428 {
429 struct stmmac_priv *priv = netdev_priv(netdev);
430
431 if (priv->pcs) /* FIXME */
432 return;
433
434 spin_lock(&priv->lock);
435
436 pause->rx_pause = 0;
437 pause->tx_pause = 0;
438 pause->autoneg = priv->phydev->autoneg;
439
440 if (priv->flow_ctrl & FLOW_RX)
441 pause->rx_pause = 1;
442 if (priv->flow_ctrl & FLOW_TX)
443 pause->tx_pause = 1;
444
445 spin_unlock(&priv->lock);
446 }
447
448 static int
449 stmmac_set_pauseparam(struct net_device *netdev,
450 struct ethtool_pauseparam *pause)
451 {
452 struct stmmac_priv *priv = netdev_priv(netdev);
453 struct phy_device *phy = priv->phydev;
454 int new_pause = FLOW_OFF;
455 int ret = 0;
456
457 if (priv->pcs) /* FIXME */
458 return -EOPNOTSUPP;
459
460 spin_lock(&priv->lock);
461
462 if (pause->rx_pause)
463 new_pause |= FLOW_RX;
464 if (pause->tx_pause)
465 new_pause |= FLOW_TX;
466
467 priv->flow_ctrl = new_pause;
468 phy->autoneg = pause->autoneg;
469
470 if (phy->autoneg) {
471 if (netif_running(netdev))
472 ret = phy_start_aneg(phy);
473 } else
474 priv->hw->mac->flow_ctrl(priv->ioaddr, phy->duplex,
475 priv->flow_ctrl, priv->pause);
476 spin_unlock(&priv->lock);
477 return ret;
478 }
479
480 static void stmmac_get_ethtool_stats(struct net_device *dev,
481 struct ethtool_stats *dummy, u64 *data)
482 {
483 struct stmmac_priv *priv = netdev_priv(dev);
484 int i, j = 0;
485
486 /* Update the DMA HW counters for dwmac10/100 */
487 if (!priv->plat->has_gmac)
488 priv->hw->dma->dma_diagnostic_fr(&dev->stats,
489 (void *) &priv->xstats,
490 priv->ioaddr);
491 else {
492 /* If supported, for new GMAC chips expose the MMC counters */
493 if (priv->dma_cap.rmon) {
494 dwmac_mmc_read(priv->ioaddr, &priv->mmc);
495
496 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
497 char *p;
498 p = (char *)priv + stmmac_mmc[i].stat_offset;
499
500 data[j++] = (stmmac_mmc[i].sizeof_stat ==
501 sizeof(u64)) ? (*(u64 *)p) :
502 (*(u32 *)p);
503 }
504 }
505 if (priv->eee_enabled) {
506 int val = phy_get_eee_err(priv->phydev);
507 if (val)
508 priv->xstats.phy_eee_wakeup_error_n = val;
509 }
510 }
511 for (i = 0; i < STMMAC_STATS_LEN; i++) {
512 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset;
513 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat ==
514 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p);
515 }
516 }
517
518 static int stmmac_get_sset_count(struct net_device *netdev, int sset)
519 {
520 struct stmmac_priv *priv = netdev_priv(netdev);
521 int len;
522
523 switch (sset) {
524 case ETH_SS_STATS:
525 len = STMMAC_STATS_LEN;
526
527 if (priv->dma_cap.rmon)
528 len += STMMAC_MMC_STATS_LEN;
529
530 return len;
531 default:
532 return -EOPNOTSUPP;
533 }
534 }
535
536 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data)
537 {
538 int i;
539 u8 *p = data;
540 struct stmmac_priv *priv = netdev_priv(dev);
541
542 switch (stringset) {
543 case ETH_SS_STATS:
544 if (priv->dma_cap.rmon)
545 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) {
546 memcpy(p, stmmac_mmc[i].stat_string,
547 ETH_GSTRING_LEN);
548 p += ETH_GSTRING_LEN;
549 }
550 for (i = 0; i < STMMAC_STATS_LEN; i++) {
551 memcpy(p, stmmac_gstrings_stats[i].stat_string,
552 ETH_GSTRING_LEN);
553 p += ETH_GSTRING_LEN;
554 }
555 break;
556 default:
557 WARN_ON(1);
558 break;
559 }
560 }
561
562 /* Currently only support WOL through Magic packet. */
563 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
564 {
565 struct stmmac_priv *priv = netdev_priv(dev);
566
567 spin_lock_irq(&priv->lock);
568 if (device_can_wakeup(priv->device)) {
569 wol->supported = WAKE_MAGIC | WAKE_UCAST;
570 wol->wolopts = priv->wolopts;
571 }
572 spin_unlock_irq(&priv->lock);
573 }
574
575 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
576 {
577 struct stmmac_priv *priv = netdev_priv(dev);
578 u32 support = WAKE_MAGIC | WAKE_UCAST;
579
580 /* By default almost all GMAC devices support the WoL via
581 * magic frame but we can disable it if the HW capability
582 * register shows no support for pmt_magic_frame. */
583 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame))
584 wol->wolopts &= ~WAKE_MAGIC;
585
586 if (!device_can_wakeup(priv->device))
587 return -EINVAL;
588
589 if (wol->wolopts & ~support)
590 return -EINVAL;
591
592 if (wol->wolopts) {
593 pr_info("stmmac: wakeup enable\n");
594 device_set_wakeup_enable(priv->device, 1);
595 enable_irq_wake(priv->wol_irq);
596 } else {
597 device_set_wakeup_enable(priv->device, 0);
598 disable_irq_wake(priv->wol_irq);
599 }
600
601 spin_lock_irq(&priv->lock);
602 priv->wolopts = wol->wolopts;
603 spin_unlock_irq(&priv->lock);
604
605 return 0;
606 }
607
608 static int stmmac_ethtool_op_get_eee(struct net_device *dev,
609 struct ethtool_eee *edata)
610 {
611 struct stmmac_priv *priv = netdev_priv(dev);
612
613 if (!priv->dma_cap.eee)
614 return -EOPNOTSUPP;
615
616 edata->eee_enabled = priv->eee_enabled;
617 edata->eee_active = priv->eee_active;
618 edata->tx_lpi_timer = priv->tx_lpi_timer;
619
620 return phy_ethtool_get_eee(priv->phydev, edata);
621 }
622
623 static int stmmac_ethtool_op_set_eee(struct net_device *dev,
624 struct ethtool_eee *edata)
625 {
626 struct stmmac_priv *priv = netdev_priv(dev);
627
628 priv->eee_enabled = edata->eee_enabled;
629
630 if (!priv->eee_enabled)
631 stmmac_disable_eee_mode(priv);
632 else {
633 /* We are asking for enabling the EEE but it is safe
634 * to verify all by invoking the eee_init function.
635 * In case of failure it will return an error.
636 */
637 priv->eee_enabled = stmmac_eee_init(priv);
638 if (!priv->eee_enabled)
639 return -EOPNOTSUPP;
640
641 /* Do not change tx_lpi_timer in case of failure */
642 priv->tx_lpi_timer = edata->tx_lpi_timer;
643 }
644
645 return phy_ethtool_set_eee(priv->phydev, edata);
646 }
647
648 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv)
649 {
650 unsigned long clk = clk_get_rate(priv->stmmac_clk);
651
652 if (!clk)
653 return 0;
654
655 return (usec * (clk / 1000000)) / 256;
656 }
657
658 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv)
659 {
660 unsigned long clk = clk_get_rate(priv->stmmac_clk);
661
662 if (!clk)
663 return 0;
664
665 return (riwt * 256) / (clk / 1000000);
666 }
667
668 static int stmmac_get_coalesce(struct net_device *dev,
669 struct ethtool_coalesce *ec)
670 {
671 struct stmmac_priv *priv = netdev_priv(dev);
672
673 ec->tx_coalesce_usecs = priv->tx_coal_timer;
674 ec->tx_max_coalesced_frames = priv->tx_coal_frames;
675
676 if (priv->use_riwt)
677 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv);
678
679 return 0;
680 }
681
682 static int stmmac_set_coalesce(struct net_device *dev,
683 struct ethtool_coalesce *ec)
684 {
685 struct stmmac_priv *priv = netdev_priv(dev);
686 unsigned int rx_riwt;
687
688 /* Check not supported parameters */
689 if ((ec->rx_max_coalesced_frames) || (ec->rx_coalesce_usecs_irq) ||
690 (ec->rx_max_coalesced_frames_irq) || (ec->tx_coalesce_usecs_irq) ||
691 (ec->use_adaptive_rx_coalesce) || (ec->use_adaptive_tx_coalesce) ||
692 (ec->pkt_rate_low) || (ec->rx_coalesce_usecs_low) ||
693 (ec->rx_max_coalesced_frames_low) || (ec->tx_coalesce_usecs_high) ||
694 (ec->tx_max_coalesced_frames_low) || (ec->pkt_rate_high) ||
695 (ec->tx_coalesce_usecs_low) || (ec->rx_coalesce_usecs_high) ||
696 (ec->rx_max_coalesced_frames_high) ||
697 (ec->tx_max_coalesced_frames_irq) ||
698 (ec->stats_block_coalesce_usecs) ||
699 (ec->tx_max_coalesced_frames_high) || (ec->rate_sample_interval))
700 return -EOPNOTSUPP;
701
702 if (ec->rx_coalesce_usecs == 0)
703 return -EINVAL;
704
705 if ((ec->tx_coalesce_usecs == 0) &&
706 (ec->tx_max_coalesced_frames == 0))
707 return -EINVAL;
708
709 if ((ec->tx_coalesce_usecs > STMMAC_COAL_TX_TIMER) ||
710 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES))
711 return -EINVAL;
712
713 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv);
714
715 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT))
716 return -EINVAL;
717 else if (!priv->use_riwt)
718 return -EOPNOTSUPP;
719
720 /* Only copy relevant parameters, ignore all others. */
721 priv->tx_coal_frames = ec->tx_max_coalesced_frames;
722 priv->tx_coal_timer = ec->tx_coalesce_usecs;
723 priv->rx_riwt = rx_riwt;
724 priv->hw->dma->rx_watchdog(priv->ioaddr, priv->rx_riwt);
725
726 return 0;
727 }
728
729 static int stmmac_get_ts_info(struct net_device *dev,
730 struct ethtool_ts_info *info)
731 {
732 struct stmmac_priv *priv = netdev_priv(dev);
733
734 if ((priv->hwts_tx_en) && (priv->hwts_rx_en)) {
735
736 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
737 SOF_TIMESTAMPING_RX_HARDWARE |
738 SOF_TIMESTAMPING_RAW_HARDWARE;
739
740 if (priv->ptp_clock)
741 info->phc_index = ptp_clock_index(priv->ptp_clock);
742
743 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
744
745 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) |
746 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
747 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
748 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
749 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
750 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
751 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
752 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
753 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
754 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
755 (1 << HWTSTAMP_FILTER_ALL));
756 return 0;
757 } else
758 return ethtool_op_get_ts_info(dev, info);
759 }
760
761 static const struct ethtool_ops stmmac_ethtool_ops = {
762 .begin = stmmac_check_if_running,
763 .get_drvinfo = stmmac_ethtool_getdrvinfo,
764 .get_settings = stmmac_ethtool_getsettings,
765 .set_settings = stmmac_ethtool_setsettings,
766 .get_msglevel = stmmac_ethtool_getmsglevel,
767 .set_msglevel = stmmac_ethtool_setmsglevel,
768 .get_regs = stmmac_ethtool_gregs,
769 .get_regs_len = stmmac_ethtool_get_regs_len,
770 .get_link = ethtool_op_get_link,
771 .get_pauseparam = stmmac_get_pauseparam,
772 .set_pauseparam = stmmac_set_pauseparam,
773 .get_ethtool_stats = stmmac_get_ethtool_stats,
774 .get_strings = stmmac_get_strings,
775 .get_wol = stmmac_get_wol,
776 .set_wol = stmmac_set_wol,
777 .get_eee = stmmac_ethtool_op_get_eee,
778 .set_eee = stmmac_ethtool_op_set_eee,
779 .get_sset_count = stmmac_get_sset_count,
780 .get_ts_info = stmmac_get_ts_info,
781 .get_coalesce = stmmac_get_coalesce,
782 .set_coalesce = stmmac_set_coalesce,
783 };
784
785 void stmmac_set_ethtool_ops(struct net_device *netdev)
786 {
787 netdev->ethtool_ops = &stmmac_ethtool_ops;
788 }
Linux kernel - Deliverables
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