?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / ethernet / ti / am65-cpsw-ethtool.c
blobc3502aa15ea0234fc0a186f4bfd2004da38ade23
1 // SPDX-License-Identifier: GPL-2.0
2 /* Texas Instruments K3 AM65 Ethernet Switch SubSystem Driver ethtool ops
3 *
4 * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 */
7
8 #include <linux/net_tstamp.h>
9 #include <linux/phy.h>
10 #include <linux/platform_device.h>
11 #include <linux/pm_runtime.h>
12
13 #include "am65-cpsw-nuss.h"
14 #include "cpsw_ale.h"
15
16 #define AM65_CPSW_REGDUMP_VER 0x1
17
18 enum {
19 AM65_CPSW_REGDUMP_MOD_NUSS = 1,
20 AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2,
21 AM65_CPSW_REGDUMP_MOD_MDIO = 3,
22 AM65_CPSW_REGDUMP_MOD_CPSW = 4,
23 AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5,
24 AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6,
25 AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7,
26 AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8,
27 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9,
28 AM65_CPSW_REGDUMP_MOD_LAST,
29 };
30
31 /**
32 * struct am65_cpsw_regdump_hdr - regdump record header
33 *
34 * @module_id: CPSW module ID
35 * @len: CPSW module registers space length in u32
36 */
37
38 struct am65_cpsw_regdump_hdr {
39 u32 module_id;
40 u32 len;
41 };
42
43 /**
44 * struct am65_cpsw_regdump_item - regdump module description
45 *
46 * @hdr: CPSW module header
47 * @start_ofs: CPSW module registers start addr
48 * @end_ofs: CPSW module registers end addr
49 *
50 * Registers dump provided in the format:
51 * u32 : module ID
52 * u32 : dump length
53 * u32[..len]: registers values
54 */
55 struct am65_cpsw_regdump_item {
56 struct am65_cpsw_regdump_hdr hdr;
57 u32 start_ofs;
58 u32 end_ofs;
59 };
60
61 #define AM65_CPSW_REGDUMP_REC(mod, start, end) { \
62 .hdr.module_id = (mod), \
63 .hdr.len = (((u32 *)(end)) - ((u32 *)(start)) + 1) * sizeof(u32) * 2 + \
64 sizeof(struct am65_cpsw_regdump_hdr), \
65 .start_ofs = (start), \
66 .end_ofs = end, \
67 }
68
69 static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = {
70 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c),
71 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c),
72 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc),
73 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c),
74 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320),
75 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4),
76 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS,
77 0x3d000, 0x3d048),
78 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c),
79 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0),
80 };
81
82 struct am65_cpsw_stats_regs {
83 u32 rx_good_frames;
84 u32 rx_broadcast_frames;
85 u32 rx_multicast_frames;
86 u32 rx_pause_frames; /* slave */
87 u32 rx_crc_errors;
88 u32 rx_align_code_errors; /* slave */
89 u32 rx_oversized_frames;
90 u32 rx_jabber_frames; /* slave */
91 u32 rx_undersized_frames;
92 u32 rx_fragments; /* slave */
93 u32 ale_drop;
94 u32 ale_overrun_drop;
95 u32 rx_octets;
96 u32 tx_good_frames;
97 u32 tx_broadcast_frames;
98 u32 tx_multicast_frames;
99 u32 tx_pause_frames; /* slave */
100 u32 tx_deferred_frames; /* slave */
101 u32 tx_collision_frames; /* slave */
102 u32 tx_single_coll_frames; /* slave */
103 u32 tx_mult_coll_frames; /* slave */
104 u32 tx_excessive_collisions; /* slave */
105 u32 tx_late_collisions; /* slave */
106 u32 rx_ipg_error; /* slave 10G only */
107 u32 tx_carrier_sense_errors; /* slave */
108 u32 tx_octets;
109 u32 tx_64B_frames;
110 u32 tx_65_to_127B_frames;
111 u32 tx_128_to_255B_frames;
112 u32 tx_256_to_511B_frames;
113 u32 tx_512_to_1023B_frames;
114 u32 tx_1024B_frames;
115 u32 net_octets;
116 u32 rx_bottom_fifo_drop;
117 u32 rx_port_mask_drop;
118 u32 rx_top_fifo_drop;
119 u32 ale_rate_limit_drop;
120 u32 ale_vid_ingress_drop;
121 u32 ale_da_eq_sa_drop;
122 u32 ale_block_drop; /* K3 */
123 u32 ale_secure_drop; /* K3 */
124 u32 ale_auth_drop; /* K3 */
125 u32 ale_unknown_ucast;
126 u32 ale_unknown_ucast_bytes;
127 u32 ale_unknown_mcast;
128 u32 ale_unknown_mcast_bytes;
129 u32 ale_unknown_bcast;
130 u32 ale_unknown_bcast_bytes;
131 u32 ale_pol_match;
132 u32 ale_pol_match_red;
133 u32 ale_pol_match_yellow;
134 u32 ale_mcast_sa_drop; /* K3 */
135 u32 ale_dual_vlan_drop; /* K3 */
136 u32 ale_len_err_drop; /* K3 */
137 u32 ale_ip_next_hdr_drop; /* K3 */
138 u32 ale_ipv4_frag_drop; /* K3 */
139 u32 __rsvd_1[24];
140 u32 iet_rx_assembly_err; /* K3 slave */
141 u32 iet_rx_assembly_ok; /* K3 slave */
142 u32 iet_rx_smd_err; /* K3 slave */
143 u32 iet_rx_frag; /* K3 slave */
144 u32 iet_tx_hold; /* K3 slave */
145 u32 iet_tx_frag; /* K3 slave */
146 u32 __rsvd_2[9];
147 u32 tx_mem_protect_err;
148 /* following NU only */
149 u32 tx_pri0;
150 u32 tx_pri1;
151 u32 tx_pri2;
152 u32 tx_pri3;
153 u32 tx_pri4;
154 u32 tx_pri5;
155 u32 tx_pri6;
156 u32 tx_pri7;
157 u32 tx_pri0_bcnt;
158 u32 tx_pri1_bcnt;
159 u32 tx_pri2_bcnt;
160 u32 tx_pri3_bcnt;
161 u32 tx_pri4_bcnt;
162 u32 tx_pri5_bcnt;
163 u32 tx_pri6_bcnt;
164 u32 tx_pri7_bcnt;
165 u32 tx_pri0_drop;
166 u32 tx_pri1_drop;
167 u32 tx_pri2_drop;
168 u32 tx_pri3_drop;
169 u32 tx_pri4_drop;
170 u32 tx_pri5_drop;
171 u32 tx_pri6_drop;
172 u32 tx_pri7_drop;
173 u32 tx_pri0_drop_bcnt;
174 u32 tx_pri1_drop_bcnt;
175 u32 tx_pri2_drop_bcnt;
176 u32 tx_pri3_drop_bcnt;
177 u32 tx_pri4_drop_bcnt;
178 u32 tx_pri5_drop_bcnt;
179 u32 tx_pri6_drop_bcnt;
180 u32 tx_pri7_drop_bcnt;
181 };
182
183 struct am65_cpsw_ethtool_stat {
184 char desc[ETH_GSTRING_LEN];
185 int offset;
186 };
187
188 #define AM65_CPSW_STATS(prefix, field) \
189 { \
190 #prefix#field, \
191 offsetof(struct am65_cpsw_stats_regs, field) \
192 }
193
194 static const struct am65_cpsw_ethtool_stat am65_host_stats[] = {
195 AM65_CPSW_STATS(p0_, rx_good_frames),
196 AM65_CPSW_STATS(p0_, rx_broadcast_frames),
197 AM65_CPSW_STATS(p0_, rx_multicast_frames),
198 AM65_CPSW_STATS(p0_, rx_crc_errors),
199 AM65_CPSW_STATS(p0_, rx_oversized_frames),
200 AM65_CPSW_STATS(p0_, rx_undersized_frames),
201 AM65_CPSW_STATS(p0_, ale_drop),
202 AM65_CPSW_STATS(p0_, ale_overrun_drop),
203 AM65_CPSW_STATS(p0_, rx_octets),
204 AM65_CPSW_STATS(p0_, tx_good_frames),
205 AM65_CPSW_STATS(p0_, tx_broadcast_frames),
206 AM65_CPSW_STATS(p0_, tx_multicast_frames),
207 AM65_CPSW_STATS(p0_, tx_octets),
208 AM65_CPSW_STATS(p0_, tx_64B_frames),
209 AM65_CPSW_STATS(p0_, tx_65_to_127B_frames),
210 AM65_CPSW_STATS(p0_, tx_128_to_255B_frames),
211 AM65_CPSW_STATS(p0_, tx_256_to_511B_frames),
212 AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames),
213 AM65_CPSW_STATS(p0_, tx_1024B_frames),
214 AM65_CPSW_STATS(p0_, net_octets),
215 AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop),
216 AM65_CPSW_STATS(p0_, rx_port_mask_drop),
217 AM65_CPSW_STATS(p0_, rx_top_fifo_drop),
218 AM65_CPSW_STATS(p0_, ale_rate_limit_drop),
219 AM65_CPSW_STATS(p0_, ale_vid_ingress_drop),
220 AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop),
221 AM65_CPSW_STATS(p0_, ale_block_drop),
222 AM65_CPSW_STATS(p0_, ale_secure_drop),
223 AM65_CPSW_STATS(p0_, ale_auth_drop),
224 AM65_CPSW_STATS(p0_, ale_unknown_ucast),
225 AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes),
226 AM65_CPSW_STATS(p0_, ale_unknown_mcast),
227 AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes),
228 AM65_CPSW_STATS(p0_, ale_unknown_bcast),
229 AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes),
230 AM65_CPSW_STATS(p0_, ale_pol_match),
231 AM65_CPSW_STATS(p0_, ale_pol_match_red),
232 AM65_CPSW_STATS(p0_, ale_pol_match_yellow),
233 AM65_CPSW_STATS(p0_, ale_mcast_sa_drop),
234 AM65_CPSW_STATS(p0_, ale_dual_vlan_drop),
235 AM65_CPSW_STATS(p0_, ale_len_err_drop),
236 AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop),
237 AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop),
238 AM65_CPSW_STATS(p0_, tx_mem_protect_err),
239 AM65_CPSW_STATS(p0_, tx_pri0),
240 AM65_CPSW_STATS(p0_, tx_pri1),
241 AM65_CPSW_STATS(p0_, tx_pri2),
242 AM65_CPSW_STATS(p0_, tx_pri3),
243 AM65_CPSW_STATS(p0_, tx_pri4),
244 AM65_CPSW_STATS(p0_, tx_pri5),
245 AM65_CPSW_STATS(p0_, tx_pri6),
246 AM65_CPSW_STATS(p0_, tx_pri7),
247 AM65_CPSW_STATS(p0_, tx_pri0_bcnt),
248 AM65_CPSW_STATS(p0_, tx_pri1_bcnt),
249 AM65_CPSW_STATS(p0_, tx_pri2_bcnt),
250 AM65_CPSW_STATS(p0_, tx_pri3_bcnt),
251 AM65_CPSW_STATS(p0_, tx_pri4_bcnt),
252 AM65_CPSW_STATS(p0_, tx_pri5_bcnt),
253 AM65_CPSW_STATS(p0_, tx_pri6_bcnt),
254 AM65_CPSW_STATS(p0_, tx_pri7_bcnt),
255 AM65_CPSW_STATS(p0_, tx_pri0_drop),
256 AM65_CPSW_STATS(p0_, tx_pri1_drop),
257 AM65_CPSW_STATS(p0_, tx_pri2_drop),
258 AM65_CPSW_STATS(p0_, tx_pri3_drop),
259 AM65_CPSW_STATS(p0_, tx_pri4_drop),
260 AM65_CPSW_STATS(p0_, tx_pri5_drop),
261 AM65_CPSW_STATS(p0_, tx_pri6_drop),
262 AM65_CPSW_STATS(p0_, tx_pri7_drop),
263 AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt),
264 AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt),
265 AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt),
266 AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt),
267 AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt),
268 AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt),
269 AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt),
270 AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt),
271 };
272
273 static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = {
274 AM65_CPSW_STATS(, rx_good_frames),
275 AM65_CPSW_STATS(, rx_broadcast_frames),
276 AM65_CPSW_STATS(, rx_multicast_frames),
277 AM65_CPSW_STATS(, rx_pause_frames),
278 AM65_CPSW_STATS(, rx_crc_errors),
279 AM65_CPSW_STATS(, rx_align_code_errors),
280 AM65_CPSW_STATS(, rx_oversized_frames),
281 AM65_CPSW_STATS(, rx_jabber_frames),
282 AM65_CPSW_STATS(, rx_undersized_frames),
283 AM65_CPSW_STATS(, rx_fragments),
284 AM65_CPSW_STATS(, ale_drop),
285 AM65_CPSW_STATS(, ale_overrun_drop),
286 AM65_CPSW_STATS(, rx_octets),
287 AM65_CPSW_STATS(, tx_good_frames),
288 AM65_CPSW_STATS(, tx_broadcast_frames),
289 AM65_CPSW_STATS(, tx_multicast_frames),
290 AM65_CPSW_STATS(, tx_pause_frames),
291 AM65_CPSW_STATS(, tx_deferred_frames),
292 AM65_CPSW_STATS(, tx_collision_frames),
293 AM65_CPSW_STATS(, tx_single_coll_frames),
294 AM65_CPSW_STATS(, tx_mult_coll_frames),
295 AM65_CPSW_STATS(, tx_excessive_collisions),
296 AM65_CPSW_STATS(, tx_late_collisions),
297 AM65_CPSW_STATS(, rx_ipg_error),
298 AM65_CPSW_STATS(, tx_carrier_sense_errors),
299 AM65_CPSW_STATS(, tx_octets),
300 AM65_CPSW_STATS(, tx_64B_frames),
301 AM65_CPSW_STATS(, tx_65_to_127B_frames),
302 AM65_CPSW_STATS(, tx_128_to_255B_frames),
303 AM65_CPSW_STATS(, tx_256_to_511B_frames),
304 AM65_CPSW_STATS(, tx_512_to_1023B_frames),
305 AM65_CPSW_STATS(, tx_1024B_frames),
306 AM65_CPSW_STATS(, net_octets),
307 AM65_CPSW_STATS(, rx_bottom_fifo_drop),
308 AM65_CPSW_STATS(, rx_port_mask_drop),
309 AM65_CPSW_STATS(, rx_top_fifo_drop),
310 AM65_CPSW_STATS(, ale_rate_limit_drop),
311 AM65_CPSW_STATS(, ale_vid_ingress_drop),
312 AM65_CPSW_STATS(, ale_da_eq_sa_drop),
313 AM65_CPSW_STATS(, ale_block_drop),
314 AM65_CPSW_STATS(, ale_secure_drop),
315 AM65_CPSW_STATS(, ale_auth_drop),
316 AM65_CPSW_STATS(, ale_unknown_ucast),
317 AM65_CPSW_STATS(, ale_unknown_ucast_bytes),
318 AM65_CPSW_STATS(, ale_unknown_mcast),
319 AM65_CPSW_STATS(, ale_unknown_mcast_bytes),
320 AM65_CPSW_STATS(, ale_unknown_bcast),
321 AM65_CPSW_STATS(, ale_unknown_bcast_bytes),
322 AM65_CPSW_STATS(, ale_pol_match),
323 AM65_CPSW_STATS(, ale_pol_match_red),
324 AM65_CPSW_STATS(, ale_pol_match_yellow),
325 AM65_CPSW_STATS(, ale_mcast_sa_drop),
326 AM65_CPSW_STATS(, ale_dual_vlan_drop),
327 AM65_CPSW_STATS(, ale_len_err_drop),
328 AM65_CPSW_STATS(, ale_ip_next_hdr_drop),
329 AM65_CPSW_STATS(, ale_ipv4_frag_drop),
330 AM65_CPSW_STATS(, iet_rx_assembly_err),
331 AM65_CPSW_STATS(, iet_rx_assembly_ok),
332 AM65_CPSW_STATS(, iet_rx_smd_err),
333 AM65_CPSW_STATS(, iet_rx_frag),
334 AM65_CPSW_STATS(, iet_tx_hold),
335 AM65_CPSW_STATS(, iet_tx_frag),
336 AM65_CPSW_STATS(, tx_mem_protect_err),
337 AM65_CPSW_STATS(, tx_pri0),
338 AM65_CPSW_STATS(, tx_pri1),
339 AM65_CPSW_STATS(, tx_pri2),
340 AM65_CPSW_STATS(, tx_pri3),
341 AM65_CPSW_STATS(, tx_pri4),
342 AM65_CPSW_STATS(, tx_pri5),
343 AM65_CPSW_STATS(, tx_pri6),
344 AM65_CPSW_STATS(, tx_pri7),
345 AM65_CPSW_STATS(, tx_pri0_bcnt),
346 AM65_CPSW_STATS(, tx_pri1_bcnt),
347 AM65_CPSW_STATS(, tx_pri2_bcnt),
348 AM65_CPSW_STATS(, tx_pri3_bcnt),
349 AM65_CPSW_STATS(, tx_pri4_bcnt),
350 AM65_CPSW_STATS(, tx_pri5_bcnt),
351 AM65_CPSW_STATS(, tx_pri6_bcnt),
352 AM65_CPSW_STATS(, tx_pri7_bcnt),
353 AM65_CPSW_STATS(, tx_pri0_drop),
354 AM65_CPSW_STATS(, tx_pri1_drop),
355 AM65_CPSW_STATS(, tx_pri2_drop),
356 AM65_CPSW_STATS(, tx_pri3_drop),
357 AM65_CPSW_STATS(, tx_pri4_drop),
358 AM65_CPSW_STATS(, tx_pri5_drop),
359 AM65_CPSW_STATS(, tx_pri6_drop),
360 AM65_CPSW_STATS(, tx_pri7_drop),
361 AM65_CPSW_STATS(, tx_pri0_drop_bcnt),
362 AM65_CPSW_STATS(, tx_pri1_drop_bcnt),
363 AM65_CPSW_STATS(, tx_pri2_drop_bcnt),
364 AM65_CPSW_STATS(, tx_pri3_drop_bcnt),
365 AM65_CPSW_STATS(, tx_pri4_drop_bcnt),
366 AM65_CPSW_STATS(, tx_pri5_drop_bcnt),
367 AM65_CPSW_STATS(, tx_pri6_drop_bcnt),
368 AM65_CPSW_STATS(, tx_pri7_drop_bcnt),
369 };
370
371 /* Ethtool priv_flags */
372 static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = {
373 #define AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN BIT(0)
374 "p0-rx-ptype-rrobin",
375 };
376
377 static int am65_cpsw_ethtool_op_begin(struct net_device *ndev)
378 {
379 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
380 int ret;
381
382 ret = pm_runtime_get_sync(common->dev);
383 if (ret < 0) {
384 dev_err(common->dev, "ethtool begin failed %d\n", ret);
385 pm_runtime_put_noidle(common->dev);
386 }
387
388 return ret;
389 }
390
391 static void am65_cpsw_ethtool_op_complete(struct net_device *ndev)
392 {
393 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
394 int ret;
395
396 ret = pm_runtime_put(common->dev);
397 if (ret < 0 && ret != -EBUSY)
398 dev_err(common->dev, "ethtool complete failed %d\n", ret);
399 }
400
401 static void am65_cpsw_get_drvinfo(struct net_device *ndev,
402 struct ethtool_drvinfo *info)
403 {
404 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
405
406 strlcpy(info->driver, dev_driver_string(common->dev),
407 sizeof(info->driver));
408 strlcpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info));
409 }
410
411 static u32 am65_cpsw_get_msglevel(struct net_device *ndev)
412 {
413 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev);
414
415 return priv->msg_enable;
416 }
417
418 static void am65_cpsw_set_msglevel(struct net_device *ndev, u32 value)
419 {
420 struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev);
421
422 priv->msg_enable = value;
423 }
424
425 static void am65_cpsw_get_channels(struct net_device *ndev,
426 struct ethtool_channels *ch)
427 {
428 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
429
430 ch->max_rx = AM65_CPSW_MAX_RX_QUEUES;
431 ch->max_tx = AM65_CPSW_MAX_TX_QUEUES;
432 ch->rx_count = AM65_CPSW_MAX_RX_QUEUES;
433 ch->tx_count = common->tx_ch_num;
434 }
435
436 static int am65_cpsw_set_channels(struct net_device *ndev,
437 struct ethtool_channels *chs)
438 {
439 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
440
441 if (!chs->rx_count || !chs->tx_count)
442 return -EINVAL;
443
444 /* Check if interface is up. Can change the num queues when
445 * the interface is down.
446 */
447 if (netif_running(ndev))
448 return -EBUSY;
449
450 am65_cpsw_nuss_remove_tx_chns(common);
451
452 return am65_cpsw_nuss_update_tx_chns(common, chs->tx_count);
453 }
454
455 static void am65_cpsw_get_ringparam(struct net_device *ndev,
456 struct ethtool_ringparam *ering)
457 {
458 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
459
460 /* not supported */
461 ering->tx_pending = common->tx_chns[0].descs_num;
462 ering->rx_pending = common->rx_chns.descs_num;
463 }
464
465 static void am65_cpsw_get_pauseparam(struct net_device *ndev,
466 struct ethtool_pauseparam *pause)
467 {
468 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
469
470 pause->autoneg = AUTONEG_DISABLE;
471 pause->rx_pause = salve->rx_pause ? true : false;
472 pause->tx_pause = salve->tx_pause ? true : false;
473 }
474
475 static int am65_cpsw_set_pauseparam(struct net_device *ndev,
476 struct ethtool_pauseparam *pause)
477 {
478 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
479
480 if (!salve->phy)
481 return -EINVAL;
482
483 if (!phy_validate_pause(salve->phy, pause))
484 return -EINVAL;
485
486 salve->rx_pause = pause->rx_pause ? true : false;
487 salve->tx_pause = pause->tx_pause ? true : false;
488
489 phy_set_asym_pause(salve->phy, salve->rx_pause, salve->tx_pause);
490
491 return 0;
492 }
493
494 static void am65_cpsw_get_wol(struct net_device *ndev,
495 struct ethtool_wolinfo *wol)
496 {
497 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
498
499 wol->supported = 0;
500 wol->wolopts = 0;
501
502 if (salve->phy)
503 phy_ethtool_get_wol(salve->phy, wol);
504 }
505
506 static int am65_cpsw_set_wol(struct net_device *ndev,
507 struct ethtool_wolinfo *wol)
508 {
509 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
510
511 if (!salve->phy)
512 return -EOPNOTSUPP;
513
514 return phy_ethtool_set_wol(salve->phy, wol);
515 }
516
517 static int am65_cpsw_get_link_ksettings(struct net_device *ndev,
518 struct ethtool_link_ksettings *ecmd)
519 {
520 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
521
522 if (!salve->phy)
523 return -EOPNOTSUPP;
524
525 phy_ethtool_ksettings_get(salve->phy, ecmd);
526 return 0;
527 }
528
529 static int
530 am65_cpsw_set_link_ksettings(struct net_device *ndev,
531 const struct ethtool_link_ksettings *ecmd)
532 {
533 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
534
535 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
536 return -EOPNOTSUPP;
537
538 return phy_ethtool_ksettings_set(salve->phy, ecmd);
539 }
540
541 static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata)
542 {
543 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
544
545 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
546 return -EOPNOTSUPP;
547
548 return phy_ethtool_get_eee(salve->phy, edata);
549 }
550
551 static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata)
552 {
553 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
554
555 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
556 return -EOPNOTSUPP;
557
558 return phy_ethtool_set_eee(salve->phy, edata);
559 }
560
561 static int am65_cpsw_nway_reset(struct net_device *ndev)
562 {
563 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
564
565 if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
566 return -EOPNOTSUPP;
567
568 return phy_restart_aneg(salve->phy);
569 }
570
571 static int am65_cpsw_get_regs_len(struct net_device *ndev)
572 {
573 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
574 u32 i, regdump_len = 0;
575
576 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
577 if (am65_cpsw_regdump[i].hdr.module_id ==
578 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
579 regdump_len += sizeof(struct am65_cpsw_regdump_hdr);
580 regdump_len += common->ale->params.ale_entries *
581 ALE_ENTRY_WORDS * sizeof(u32);
582 continue;
583 }
584 regdump_len += am65_cpsw_regdump[i].hdr.len;
585 }
586
587 return regdump_len;
588 }
589
590 static void am65_cpsw_get_regs(struct net_device *ndev,
591 struct ethtool_regs *regs, void *p)
592 {
593 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
594 u32 i, j, pos, *reg = p;
595
596 /* update CPSW IP version */
597 regs->version = AM65_CPSW_REGDUMP_VER;
598
599 pos = 0;
600 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
601 reg[pos++] = am65_cpsw_regdump[i].hdr.module_id;
602
603 if (am65_cpsw_regdump[i].hdr.module_id ==
604 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
605 u32 ale_tbl_len = common->ale->params.ale_entries *
606 ALE_ENTRY_WORDS * sizeof(u32) +
607 sizeof(struct am65_cpsw_regdump_hdr);
608 reg[pos++] = ale_tbl_len;
609 cpsw_ale_dump(common->ale, &reg[pos]);
610 pos += ale_tbl_len;
611 continue;
612 }
613
614 reg[pos++] = am65_cpsw_regdump[i].hdr.len;
615
616 j = am65_cpsw_regdump[i].start_ofs;
617 do {
618 reg[pos++] = j;
619 reg[pos++] = readl_relaxed(common->ss_base + j);
620 j += sizeof(u32);
621 } while (j <= am65_cpsw_regdump[i].end_ofs);
622 }
623 }
624
625 static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset)
626 {
627 switch (sset) {
628 case ETH_SS_STATS:
629 return ARRAY_SIZE(am65_host_stats) +
630 ARRAY_SIZE(am65_slave_stats);
631 case ETH_SS_PRIV_FLAGS:
632 return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
633 default:
634 return -EOPNOTSUPP;
635 }
636 }
637
638 static void am65_cpsw_get_strings(struct net_device *ndev,
639 u32 stringset, u8 *data)
640 {
641 const struct am65_cpsw_ethtool_stat *hw_stats;
642 u32 i, num_stats;
643 u8 *p = data;
644
645 switch (stringset) {
646 case ETH_SS_STATS:
647 num_stats = ARRAY_SIZE(am65_host_stats);
648 hw_stats = am65_host_stats;
649 for (i = 0; i < num_stats; i++) {
650 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
651 p += ETH_GSTRING_LEN;
652 }
653
654 num_stats = ARRAY_SIZE(am65_slave_stats);
655 hw_stats = am65_slave_stats;
656 for (i = 0; i < num_stats; i++) {
657 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
658 p += ETH_GSTRING_LEN;
659 }
660 break;
661 case ETH_SS_PRIV_FLAGS:
662 num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
663
664 for (i = 0; i < num_stats; i++) {
665 memcpy(p, am65_cpsw_ethtool_priv_flags[i],
666 ETH_GSTRING_LEN);
667 p += ETH_GSTRING_LEN;
668 }
669 break;
670 }
671 }
672
673 static void am65_cpsw_get_ethtool_stats(struct net_device *ndev,
674 struct ethtool_stats *stats, u64 *data)
675 {
676 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
677 const struct am65_cpsw_ethtool_stat *hw_stats;
678 struct am65_cpsw_host *host_p;
679 struct am65_cpsw_port *port;
680 u32 i, num_stats;
681
682 host_p = am65_common_get_host(common);
683 port = am65_ndev_to_port(ndev);
684 num_stats = ARRAY_SIZE(am65_host_stats);
685 hw_stats = am65_host_stats;
686 for (i = 0; i < num_stats; i++)
687 *data++ = readl_relaxed(host_p->stat_base +
688 hw_stats[i].offset);
689
690 num_stats = ARRAY_SIZE(am65_slave_stats);
691 hw_stats = am65_slave_stats;
692 for (i = 0; i < num_stats; i++)
693 *data++ = readl_relaxed(port->stat_base +
694 hw_stats[i].offset);
695 }
696
697 static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev)
698 {
699 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
700 u32 priv_flags = 0;
701
702 if (common->pf_p0_rx_ptype_rrobin)
703 priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN;
704
705 return priv_flags;
706 }
707
708 static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags)
709 {
710 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
711
712 common->pf_p0_rx_ptype_rrobin =
713 !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
714 am65_cpsw_nuss_set_p0_ptype(common);
715
716 return 0;
717 }
718
719 const struct ethtool_ops am65_cpsw_ethtool_ops_slave = {
720 .begin = am65_cpsw_ethtool_op_begin,
721 .complete = am65_cpsw_ethtool_op_complete,
722 .get_drvinfo = am65_cpsw_get_drvinfo,
723 .get_msglevel = am65_cpsw_get_msglevel,
724 .set_msglevel = am65_cpsw_set_msglevel,
725 .get_channels = am65_cpsw_get_channels,
726 .set_channels = am65_cpsw_set_channels,
727 .get_ringparam = am65_cpsw_get_ringparam,
728 .get_regs_len = am65_cpsw_get_regs_len,
729 .get_regs = am65_cpsw_get_regs,
730 .get_sset_count = am65_cpsw_get_sset_count,
731 .get_strings = am65_cpsw_get_strings,
732 .get_ethtool_stats = am65_cpsw_get_ethtool_stats,
733 .get_ts_info = ethtool_op_get_ts_info,
734 .get_priv_flags = am65_cpsw_get_ethtool_priv_flags,
735 .set_priv_flags = am65_cpsw_set_ethtool_priv_flags,
736
737 .get_link = ethtool_op_get_link,
738 .get_link_ksettings = am65_cpsw_get_link_ksettings,
739 .set_link_ksettings = am65_cpsw_set_link_ksettings,
740 .get_pauseparam = am65_cpsw_get_pauseparam,
741 .set_pauseparam = am65_cpsw_set_pauseparam,
742 .get_wol = am65_cpsw_get_wol,
743 .set_wol = am65_cpsw_set_wol,
744 .get_eee = am65_cpsw_get_eee,
745 .set_eee = am65_cpsw_set_eee,
746 .nway_reset = am65_cpsw_nway_reset,
747 };
Linux with added FPC-III support