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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
4 *
5 * Description: QE UCC Gigabit Ethernet Ethtool API Set
6 *
7 * Author: Li Yang <leoli@freescale.com>
8 *
9 * Limitation:
10 * Can only get/set settings of the first queue.
11 * Need to re-open the interface manually after changing some parameters.
12 */
13
14#include <linux/kernel.h>
15#include <linux/errno.h>
16#include <linux/stddef.h>
17#include <linux/interrupt.h>
18#include <linux/netdevice.h>
19#include <linux/etherdevice.h>
20#include <linux/skbuff.h>
21#include <linux/spinlock.h>
22#include <linux/mm.h>
23#include <linux/delay.h>
24#include <linux/dma-mapping.h>
25#include <linux/ethtool.h>
26#include <linux/mii.h>
27#include <linux/phy.h>
28
29#include <asm/io.h>
30#include <asm/irq.h>
31#include <linux/uaccess.h>
32#include <asm/types.h>
33
34#include "ucc_geth.h"
35
36static const char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
37 "tx-64-frames",
38 "tx-65-127-frames",
39 "tx-128-255-frames",
40 "rx-64-frames",
41 "rx-65-127-frames",
42 "rx-128-255-frames",
43 "tx-bytes-ok",
44 "tx-pause-frames",
45 "tx-multicast-frames",
46 "tx-broadcast-frames",
47 "rx-frames",
48 "rx-bytes-ok",
49 "rx-bytes-all",
50 "rx-multicast-frames",
51 "rx-broadcast-frames",
52 "stats-counter-carry",
53 "stats-counter-mask",
54 "rx-dropped-frames",
55};
56
57static const char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
58 "tx-single-collision",
59 "tx-multiple-collision",
60 "tx-late-collision",
61 "tx-aborted-frames",
62 "tx-lost-frames",
63 "tx-carrier-sense-errors",
64 "tx-frames-ok",
65 "tx-excessive-differ-frames",
66 "tx-256-511-frames",
67 "tx-512-1023-frames",
68 "tx-1024-1518-frames",
69 "tx-jumbo-frames",
70};
71
72static const char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
73 "rx-crc-errors",
74 "rx-alignment-errors",
75 "rx-in-range-length-errors",
76 "rx-out-of-range-length-errors",
77 "rx-too-long-frames",
78 "rx-runt",
79 "rx-very-long-event",
80 "rx-symbol-errors",
81 "rx-busy-drop-frames",
82 "reserved",
83 "reserved",
84 "rx-mismatch-drop-frames",
85 "rx-small-than-64",
86 "rx-256-511-frames",
87 "rx-512-1023-frames",
88 "rx-1024-1518-frames",
89 "rx-jumbo-frames",
90 "rx-mac-error-loss",
91 "rx-pause-frames",
92 "reserved",
93 "rx-vlan-removed",
94 "rx-vlan-replaced",
95 "rx-vlan-inserted",
96 "rx-ip-checksum-errors",
97};
98
99#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
100#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
101#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
102
103static int
104uec_get_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd)
105{
106 struct ucc_geth_private *ugeth = netdev_priv(netdev);
107 struct phy_device *phydev = ugeth->phydev;
108
109 if (!phydev)
110 return -ENODEV;
111
112 phy_ethtool_ksettings_get(phydev, cmd);
113
114 return 0;
115}
116
117static int
118uec_set_ksettings(struct net_device *netdev,
119 const struct ethtool_link_ksettings *cmd)
120{
121 struct ucc_geth_private *ugeth = netdev_priv(netdev);
122 struct phy_device *phydev = ugeth->phydev;
123
124 if (!phydev)
125 return -ENODEV;
126
127 return phy_ethtool_ksettings_set(phydev, cmd);
128}
129
130static void
131uec_get_pauseparam(struct net_device *netdev,
132 struct ethtool_pauseparam *pause)
133{
134 struct ucc_geth_private *ugeth = netdev_priv(netdev);
135
136 pause->autoneg = ugeth->phydev->autoneg;
137
138 if (ugeth->ug_info->receiveFlowControl)
139 pause->rx_pause = 1;
140 if (ugeth->ug_info->transmitFlowControl)
141 pause->tx_pause = 1;
142}
143
144static int
145uec_set_pauseparam(struct net_device *netdev,
146 struct ethtool_pauseparam *pause)
147{
148 struct ucc_geth_private *ugeth = netdev_priv(netdev);
149 int ret = 0;
150
151 ugeth->ug_info->receiveFlowControl = pause->rx_pause;
152 ugeth->ug_info->transmitFlowControl = pause->tx_pause;
153
154 if (ugeth->phydev->autoneg) {
155 if (netif_running(netdev)) {
156 /* FIXME: automatically restart */
157 netdev_info(netdev, "Please re-open the interface\n");
158 }
159 } else {
160 struct ucc_geth_info *ug_info = ugeth->ug_info;
161
162 ret = init_flow_control_params(ug_info->aufc,
163 ug_info->receiveFlowControl,
164 ug_info->transmitFlowControl,
165 ug_info->pausePeriod,
166 ug_info->extensionField,
167 &ugeth->uccf->uf_regs->upsmr,
168 &ugeth->ug_regs->uempr,
169 &ugeth->ug_regs->maccfg1);
170 }
171
172 return ret;
173}
174
175static uint32_t
176uec_get_msglevel(struct net_device *netdev)
177{
178 struct ucc_geth_private *ugeth = netdev_priv(netdev);
179 return ugeth->msg_enable;
180}
181
182static void
183uec_set_msglevel(struct net_device *netdev, uint32_t data)
184{
185 struct ucc_geth_private *ugeth = netdev_priv(netdev);
186 ugeth->msg_enable = data;
187}
188
189static int
190uec_get_regs_len(struct net_device *netdev)
191{
192 return sizeof(struct ucc_geth);
193}
194
195static void
196uec_get_regs(struct net_device *netdev,
197 struct ethtool_regs *regs, void *p)
198{
199 int i;
200 struct ucc_geth_private *ugeth = netdev_priv(netdev);
201 u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
202 u32 *buff = p;
203
204 for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
205 buff[i] = in_be32(&ug_regs[i]);
206}
207
208static void
209uec_get_ringparam(struct net_device *netdev,
210 struct ethtool_ringparam *ring,
211 struct kernel_ethtool_ringparam *kernel_ring,
212 struct netlink_ext_ack *extack)
213{
214 struct ucc_geth_private *ugeth = netdev_priv(netdev);
215 struct ucc_geth_info *ug_info = ugeth->ug_info;
216 int queue = 0;
217
218 ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
219 ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
220 ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
221 ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
222
223 ring->rx_pending = ug_info->bdRingLenRx[queue];
224 ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
225 ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
226 ring->tx_pending = ug_info->bdRingLenTx[queue];
227}
228
229static int
230uec_set_ringparam(struct net_device *netdev,
231 struct ethtool_ringparam *ring,
232 struct kernel_ethtool_ringparam *kernel_ring,
233 struct netlink_ext_ack *extack)
234{
235 struct ucc_geth_private *ugeth = netdev_priv(netdev);
236 struct ucc_geth_info *ug_info = ugeth->ug_info;
237 int queue = 0, ret = 0;
238
239 if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
240 netdev_info(netdev, "RxBD ring size must be no smaller than %d\n",
241 UCC_GETH_RX_BD_RING_SIZE_MIN);
242 return -EINVAL;
243 }
244 if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
245 netdev_info(netdev, "RxBD ring size must be multiple of %d\n",
246 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
247 return -EINVAL;
248 }
249 if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
250 netdev_info(netdev, "TxBD ring size must be no smaller than %d\n",
251 UCC_GETH_TX_BD_RING_SIZE_MIN);
252 return -EINVAL;
253 }
254
255 if (netif_running(netdev))
256 return -EBUSY;
257
258 ug_info->bdRingLenRx[queue] = ring->rx_pending;
259 ug_info->bdRingLenTx[queue] = ring->tx_pending;
260
261 return ret;
262}
263
264static int uec_get_sset_count(struct net_device *netdev, int sset)
265{
266 struct ucc_geth_private *ugeth = netdev_priv(netdev);
267 u32 stats_mode = ugeth->ug_info->statisticsMode;
268 int len = 0;
269
270 switch (sset) {
271 case ETH_SS_STATS:
272 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
273 len += UEC_HW_STATS_LEN;
274 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
275 len += UEC_TX_FW_STATS_LEN;
276 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
277 len += UEC_RX_FW_STATS_LEN;
278
279 return len;
280
281 default:
282 return -EOPNOTSUPP;
283 }
284}
285
286static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
287{
288 struct ucc_geth_private *ugeth = netdev_priv(netdev);
289 u32 stats_mode = ugeth->ug_info->statisticsMode;
290
291 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
292 memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
293 ETH_GSTRING_LEN);
294 buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
295 }
296 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
297 memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
298 ETH_GSTRING_LEN);
299 buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
300 }
301 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
302 memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
303 ETH_GSTRING_LEN);
304}
305
306static void uec_get_ethtool_stats(struct net_device *netdev,
307 struct ethtool_stats *stats, uint64_t *data)
308{
309 struct ucc_geth_private *ugeth = netdev_priv(netdev);
310 u32 stats_mode = ugeth->ug_info->statisticsMode;
311 u32 __iomem *base;
312 int i, j = 0;
313
314 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
315 if (ugeth->ug_regs)
316 base = (u32 __iomem *)&ugeth->ug_regs->tx64;
317 else
318 base = NULL;
319
320 for (i = 0; i < UEC_HW_STATS_LEN; i++)
321 data[j++] = base ? in_be32(&base[i]) : 0;
322 }
323 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
324 base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
325 for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
326 data[j++] = base ? in_be32(&base[i]) : 0;
327 }
328 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
329 base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
330 for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
331 data[j++] = base ? in_be32(&base[i]) : 0;
332 }
333}
334
335/* Report driver information */
336static void
337uec_get_drvinfo(struct net_device *netdev,
338 struct ethtool_drvinfo *drvinfo)
339{
340 strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
341 strscpy(drvinfo->bus_info, "QUICC ENGINE", sizeof(drvinfo->bus_info));
342}
343
344#ifdef CONFIG_PM
345
346static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
347{
348 struct ucc_geth_private *ugeth = netdev_priv(netdev);
349 struct phy_device *phydev = ugeth->phydev;
350
351 if (phydev && phydev->irq)
352 wol->supported |= WAKE_PHY;
353 if (qe_alive_during_sleep())
354 wol->supported |= WAKE_MAGIC;
355
356 wol->wolopts = ugeth->wol_en;
357}
358
359static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
360{
361 struct ucc_geth_private *ugeth = netdev_priv(netdev);
362 struct phy_device *phydev = ugeth->phydev;
363
364 if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
365 return -EINVAL;
366 else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq))
367 return -EINVAL;
368 else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep())
369 return -EINVAL;
370
371 ugeth->wol_en = wol->wolopts;
372 device_set_wakeup_enable(&netdev->dev, ugeth->wol_en);
373
374 return 0;
375}
376
377#else
378#define uec_get_wol NULL
379#define uec_set_wol NULL
380#endif /* CONFIG_PM */
381
382static const struct ethtool_ops uec_ethtool_ops = {
383 .get_drvinfo = uec_get_drvinfo,
384 .get_regs_len = uec_get_regs_len,
385 .get_regs = uec_get_regs,
386 .get_msglevel = uec_get_msglevel,
387 .set_msglevel = uec_set_msglevel,
388 .nway_reset = phy_ethtool_nway_reset,
389 .get_link = ethtool_op_get_link,
390 .get_ringparam = uec_get_ringparam,
391 .set_ringparam = uec_set_ringparam,
392 .get_pauseparam = uec_get_pauseparam,
393 .set_pauseparam = uec_set_pauseparam,
394 .get_sset_count = uec_get_sset_count,
395 .get_strings = uec_get_strings,
396 .get_ethtool_stats = uec_get_ethtool_stats,
397 .get_wol = uec_get_wol,
398 .set_wol = uec_set_wol,
399 .get_ts_info = ethtool_op_get_ts_info,
400 .get_link_ksettings = uec_get_ksettings,
401 .set_link_ksettings = uec_set_ksettings,
402};
403
404void uec_set_ethtool_ops(struct net_device *netdev)
405{
406 netdev->ethtool_ops = &uec_ethtool_ops;
407}
1/*
2 * Copyright (c) 2007 Freescale Semiconductor, Inc. All rights reserved.
3 *
4 * Description: QE UCC Gigabit Ethernet Ethtool API Set
5 *
6 * Author: Li Yang <leoli@freescale.com>
7 *
8 * Limitation:
9 * Can only get/set settings of the first queue.
10 * Need to re-open the interface manually after changing some parameters.
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 */
17
18#include <linux/kernel.h>
19#include <linux/errno.h>
20#include <linux/stddef.h>
21#include <linux/interrupt.h>
22#include <linux/netdevice.h>
23#include <linux/etherdevice.h>
24#include <linux/skbuff.h>
25#include <linux/spinlock.h>
26#include <linux/mm.h>
27#include <linux/delay.h>
28#include <linux/dma-mapping.h>
29#include <linux/ethtool.h>
30#include <linux/mii.h>
31#include <linux/phy.h>
32
33#include <asm/io.h>
34#include <asm/irq.h>
35#include <asm/uaccess.h>
36#include <asm/types.h>
37
38#include "ucc_geth.h"
39
40static const char hw_stat_gstrings[][ETH_GSTRING_LEN] = {
41 "tx-64-frames",
42 "tx-65-127-frames",
43 "tx-128-255-frames",
44 "rx-64-frames",
45 "rx-65-127-frames",
46 "rx-128-255-frames",
47 "tx-bytes-ok",
48 "tx-pause-frames",
49 "tx-multicast-frames",
50 "tx-broadcast-frames",
51 "rx-frames",
52 "rx-bytes-ok",
53 "rx-bytes-all",
54 "rx-multicast-frames",
55 "rx-broadcast-frames",
56 "stats-counter-carry",
57 "stats-counter-mask",
58 "rx-dropped-frames",
59};
60
61static const char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
62 "tx-single-collision",
63 "tx-multiple-collision",
64 "tx-late-collsion",
65 "tx-aborted-frames",
66 "tx-lost-frames",
67 "tx-carrier-sense-errors",
68 "tx-frames-ok",
69 "tx-excessive-differ-frames",
70 "tx-256-511-frames",
71 "tx-512-1023-frames",
72 "tx-1024-1518-frames",
73 "tx-jumbo-frames",
74};
75
76static const char rx_fw_stat_gstrings[][ETH_GSTRING_LEN] = {
77 "rx-crc-errors",
78 "rx-alignment-errors",
79 "rx-in-range-length-errors",
80 "rx-out-of-range-length-errors",
81 "rx-too-long-frames",
82 "rx-runt",
83 "rx-very-long-event",
84 "rx-symbol-errors",
85 "rx-busy-drop-frames",
86 "reserved",
87 "reserved",
88 "rx-mismatch-drop-frames",
89 "rx-small-than-64",
90 "rx-256-511-frames",
91 "rx-512-1023-frames",
92 "rx-1024-1518-frames",
93 "rx-jumbo-frames",
94 "rx-mac-error-loss",
95 "rx-pause-frames",
96 "reserved",
97 "rx-vlan-removed",
98 "rx-vlan-replaced",
99 "rx-vlan-inserted",
100 "rx-ip-checksum-errors",
101};
102
103#define UEC_HW_STATS_LEN ARRAY_SIZE(hw_stat_gstrings)
104#define UEC_TX_FW_STATS_LEN ARRAY_SIZE(tx_fw_stat_gstrings)
105#define UEC_RX_FW_STATS_LEN ARRAY_SIZE(rx_fw_stat_gstrings)
106
107static int
108uec_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
109{
110 struct ucc_geth_private *ugeth = netdev_priv(netdev);
111 struct phy_device *phydev = ugeth->phydev;
112 struct ucc_geth_info *ug_info = ugeth->ug_info;
113
114 if (!phydev)
115 return -ENODEV;
116
117 ecmd->maxtxpkt = 1;
118 ecmd->maxrxpkt = ug_info->interruptcoalescingmaxvalue[0];
119
120 return phy_ethtool_gset(phydev, ecmd);
121}
122
123static int
124uec_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
125{
126 struct ucc_geth_private *ugeth = netdev_priv(netdev);
127 struct phy_device *phydev = ugeth->phydev;
128
129 if (!phydev)
130 return -ENODEV;
131
132 return phy_ethtool_sset(phydev, ecmd);
133}
134
135static void
136uec_get_pauseparam(struct net_device *netdev,
137 struct ethtool_pauseparam *pause)
138{
139 struct ucc_geth_private *ugeth = netdev_priv(netdev);
140
141 pause->autoneg = ugeth->phydev->autoneg;
142
143 if (ugeth->ug_info->receiveFlowControl)
144 pause->rx_pause = 1;
145 if (ugeth->ug_info->transmitFlowControl)
146 pause->tx_pause = 1;
147}
148
149static int
150uec_set_pauseparam(struct net_device *netdev,
151 struct ethtool_pauseparam *pause)
152{
153 struct ucc_geth_private *ugeth = netdev_priv(netdev);
154 int ret = 0;
155
156 ugeth->ug_info->receiveFlowControl = pause->rx_pause;
157 ugeth->ug_info->transmitFlowControl = pause->tx_pause;
158
159 if (ugeth->phydev->autoneg) {
160 if (netif_running(netdev)) {
161 /* FIXME: automatically restart */
162 netdev_info(netdev, "Please re-open the interface\n");
163 }
164 } else {
165 struct ucc_geth_info *ug_info = ugeth->ug_info;
166
167 ret = init_flow_control_params(ug_info->aufc,
168 ug_info->receiveFlowControl,
169 ug_info->transmitFlowControl,
170 ug_info->pausePeriod,
171 ug_info->extensionField,
172 &ugeth->uccf->uf_regs->upsmr,
173 &ugeth->ug_regs->uempr,
174 &ugeth->ug_regs->maccfg1);
175 }
176
177 return ret;
178}
179
180static uint32_t
181uec_get_msglevel(struct net_device *netdev)
182{
183 struct ucc_geth_private *ugeth = netdev_priv(netdev);
184 return ugeth->msg_enable;
185}
186
187static void
188uec_set_msglevel(struct net_device *netdev, uint32_t data)
189{
190 struct ucc_geth_private *ugeth = netdev_priv(netdev);
191 ugeth->msg_enable = data;
192}
193
194static int
195uec_get_regs_len(struct net_device *netdev)
196{
197 return sizeof(struct ucc_geth);
198}
199
200static void
201uec_get_regs(struct net_device *netdev,
202 struct ethtool_regs *regs, void *p)
203{
204 int i;
205 struct ucc_geth_private *ugeth = netdev_priv(netdev);
206 u32 __iomem *ug_regs = (u32 __iomem *)ugeth->ug_regs;
207 u32 *buff = p;
208
209 for (i = 0; i < sizeof(struct ucc_geth) / sizeof(u32); i++)
210 buff[i] = in_be32(&ug_regs[i]);
211}
212
213static void
214uec_get_ringparam(struct net_device *netdev,
215 struct ethtool_ringparam *ring)
216{
217 struct ucc_geth_private *ugeth = netdev_priv(netdev);
218 struct ucc_geth_info *ug_info = ugeth->ug_info;
219 int queue = 0;
220
221 ring->rx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
222 ring->rx_mini_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
223 ring->rx_jumbo_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
224 ring->tx_max_pending = UCC_GETH_BD_RING_SIZE_MAX;
225
226 ring->rx_pending = ug_info->bdRingLenRx[queue];
227 ring->rx_mini_pending = ug_info->bdRingLenRx[queue];
228 ring->rx_jumbo_pending = ug_info->bdRingLenRx[queue];
229 ring->tx_pending = ug_info->bdRingLenTx[queue];
230}
231
232static int
233uec_set_ringparam(struct net_device *netdev,
234 struct ethtool_ringparam *ring)
235{
236 struct ucc_geth_private *ugeth = netdev_priv(netdev);
237 struct ucc_geth_info *ug_info = ugeth->ug_info;
238 int queue = 0, ret = 0;
239
240 if (ring->rx_pending < UCC_GETH_RX_BD_RING_SIZE_MIN) {
241 netdev_info(netdev, "RxBD ring size must be no smaller than %d\n",
242 UCC_GETH_RX_BD_RING_SIZE_MIN);
243 return -EINVAL;
244 }
245 if (ring->rx_pending % UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT) {
246 netdev_info(netdev, "RxBD ring size must be multiple of %d\n",
247 UCC_GETH_RX_BD_RING_SIZE_ALIGNMENT);
248 return -EINVAL;
249 }
250 if (ring->tx_pending < UCC_GETH_TX_BD_RING_SIZE_MIN) {
251 netdev_info(netdev, "TxBD ring size must be no smaller than %d\n",
252 UCC_GETH_TX_BD_RING_SIZE_MIN);
253 return -EINVAL;
254 }
255
256 ug_info->bdRingLenRx[queue] = ring->rx_pending;
257 ug_info->bdRingLenTx[queue] = ring->tx_pending;
258
259 if (netif_running(netdev)) {
260 /* FIXME: restart automatically */
261 netdev_info(netdev, "Please re-open the interface\n");
262 }
263
264 return ret;
265}
266
267static int uec_get_sset_count(struct net_device *netdev, int sset)
268{
269 struct ucc_geth_private *ugeth = netdev_priv(netdev);
270 u32 stats_mode = ugeth->ug_info->statisticsMode;
271 int len = 0;
272
273 switch (sset) {
274 case ETH_SS_STATS:
275 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE)
276 len += UEC_HW_STATS_LEN;
277 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX)
278 len += UEC_TX_FW_STATS_LEN;
279 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
280 len += UEC_RX_FW_STATS_LEN;
281
282 return len;
283
284 default:
285 return -EOPNOTSUPP;
286 }
287}
288
289static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
290{
291 struct ucc_geth_private *ugeth = netdev_priv(netdev);
292 u32 stats_mode = ugeth->ug_info->statisticsMode;
293
294 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
295 memcpy(buf, hw_stat_gstrings, UEC_HW_STATS_LEN *
296 ETH_GSTRING_LEN);
297 buf += UEC_HW_STATS_LEN * ETH_GSTRING_LEN;
298 }
299 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
300 memcpy(buf, tx_fw_stat_gstrings, UEC_TX_FW_STATS_LEN *
301 ETH_GSTRING_LEN);
302 buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN;
303 }
304 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX)
305 memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN *
306 ETH_GSTRING_LEN);
307}
308
309static void uec_get_ethtool_stats(struct net_device *netdev,
310 struct ethtool_stats *stats, uint64_t *data)
311{
312 struct ucc_geth_private *ugeth = netdev_priv(netdev);
313 u32 stats_mode = ugeth->ug_info->statisticsMode;
314 u32 __iomem *base;
315 int i, j = 0;
316
317 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE) {
318 if (ugeth->ug_regs)
319 base = (u32 __iomem *)&ugeth->ug_regs->tx64;
320 else
321 base = NULL;
322
323 for (i = 0; i < UEC_HW_STATS_LEN; i++)
324 data[j++] = base ? in_be32(&base[i]) : 0;
325 }
326 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_TX) {
327 base = (u32 __iomem *)ugeth->p_tx_fw_statistics_pram;
328 for (i = 0; i < UEC_TX_FW_STATS_LEN; i++)
329 data[j++] = base ? in_be32(&base[i]) : 0;
330 }
331 if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) {
332 base = (u32 __iomem *)ugeth->p_rx_fw_statistics_pram;
333 for (i = 0; i < UEC_RX_FW_STATS_LEN; i++)
334 data[j++] = base ? in_be32(&base[i]) : 0;
335 }
336}
337
338static int uec_nway_reset(struct net_device *netdev)
339{
340 struct ucc_geth_private *ugeth = netdev_priv(netdev);
341
342 return phy_start_aneg(ugeth->phydev);
343}
344
345/* Report driver information */
346static void
347uec_get_drvinfo(struct net_device *netdev,
348 struct ethtool_drvinfo *drvinfo)
349{
350 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
351 strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
352 strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
353 strlcpy(drvinfo->bus_info, "QUICC ENGINE", sizeof(drvinfo->bus_info));
354 drvinfo->eedump_len = 0;
355 drvinfo->regdump_len = uec_get_regs_len(netdev);
356}
357
358#ifdef CONFIG_PM
359
360static void uec_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
361{
362 struct ucc_geth_private *ugeth = netdev_priv(netdev);
363 struct phy_device *phydev = ugeth->phydev;
364
365 if (phydev && phydev->irq)
366 wol->supported |= WAKE_PHY;
367 if (qe_alive_during_sleep())
368 wol->supported |= WAKE_MAGIC;
369
370 wol->wolopts = ugeth->wol_en;
371}
372
373static int uec_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
374{
375 struct ucc_geth_private *ugeth = netdev_priv(netdev);
376 struct phy_device *phydev = ugeth->phydev;
377
378 if (wol->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
379 return -EINVAL;
380 else if (wol->wolopts & WAKE_PHY && (!phydev || !phydev->irq))
381 return -EINVAL;
382 else if (wol->wolopts & WAKE_MAGIC && !qe_alive_during_sleep())
383 return -EINVAL;
384
385 ugeth->wol_en = wol->wolopts;
386 device_set_wakeup_enable(&netdev->dev, ugeth->wol_en);
387
388 return 0;
389}
390
391#else
392#define uec_get_wol NULL
393#define uec_set_wol NULL
394#endif /* CONFIG_PM */
395
396static const struct ethtool_ops uec_ethtool_ops = {
397 .get_settings = uec_get_settings,
398 .set_settings = uec_set_settings,
399 .get_drvinfo = uec_get_drvinfo,
400 .get_regs_len = uec_get_regs_len,
401 .get_regs = uec_get_regs,
402 .get_msglevel = uec_get_msglevel,
403 .set_msglevel = uec_set_msglevel,
404 .nway_reset = uec_nway_reset,
405 .get_link = ethtool_op_get_link,
406 .get_ringparam = uec_get_ringparam,
407 .set_ringparam = uec_set_ringparam,
408 .get_pauseparam = uec_get_pauseparam,
409 .set_pauseparam = uec_set_pauseparam,
410 .get_sset_count = uec_get_sset_count,
411 .get_strings = uec_get_strings,
412 .get_ethtool_stats = uec_get_ethtool_stats,
413 .get_wol = uec_get_wol,
414 .set_wol = uec_set_wol,
415 .get_ts_info = ethtool_op_get_ts_info,
416};
417
418void uec_set_ethtool_ops(struct net_device *netdev)
419{
420 SET_ETHTOOL_OPS(netdev, &uec_ethtool_ops);
421}