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/phylink.h>
10 #include <linux/platform_device.h>
11 #include <linux/pm_runtime.h>
12
13 #include "am65-cpsw-nuss.h"
14 #include "am65-cpsw-qos.h"
15 #include "cpsw_ale.h"
16 #include "am65-cpts.h"
17
18 #define AM65_CPSW_REGDUMP_VER 0x1
19
20 enum {
21 AM65_CPSW_REGDUMP_MOD_NUSS = 1,
22 AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2,
23 AM65_CPSW_REGDUMP_MOD_MDIO = 3,
24 AM65_CPSW_REGDUMP_MOD_CPSW = 4,
25 AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5,
26 AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6,
27 AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7,
28 AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8,
29 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9,
30 AM65_CPSW_REGDUMP_MOD_LAST,
31 };
32
33 /**
34 * struct am65_cpsw_regdump_hdr - regdump record header
35 *
36 * @module_id: CPSW module ID
37 * @len: CPSW module registers space length in u32
38 */
39
40 struct am65_cpsw_regdump_hdr {
41 u32 module_id;
42 u32 len;
43 };
44
45 /**
46 * struct am65_cpsw_regdump_item - regdump module description
47 *
48 * @hdr: CPSW module header
49 * @start_ofs: CPSW module registers start addr
50 * @end_ofs: CPSW module registers end addr
51 *
52 * Registers dump provided in the format:
53 * u32 : module ID
54 * u32 : dump length
55 * u32[..len]: registers values
56 */
57 struct am65_cpsw_regdump_item {
58 struct am65_cpsw_regdump_hdr hdr;
59 u32 start_ofs;
60 u32 end_ofs;
61 };
62
63 #define AM65_CPSW_REGDUMP_REC(mod, start, end) { \
64 .hdr.module_id = (mod), \
65 .hdr.len = (end + 4 - start) * 2 + \
66 sizeof(struct am65_cpsw_regdump_hdr), \
67 .start_ofs = (start), \
68 .end_ofs = end, \
69 }
70
71 static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = {
72 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c),
73 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c),
74 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc),
75 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c),
76 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320),
77 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4),
78 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS,
79 0x3d000, 0x3d048),
80 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c),
81 AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0),
82 };
83
84 struct am65_cpsw_stats_regs {
85 u32 rx_good_frames;
86 u32 rx_broadcast_frames;
87 u32 rx_multicast_frames;
88 u32 rx_pause_frames; /* slave */
89 u32 rx_crc_errors;
90 u32 rx_align_code_errors; /* slave */
91 u32 rx_oversized_frames;
92 u32 rx_jabber_frames; /* slave */
93 u32 rx_undersized_frames;
94 u32 rx_fragments; /* slave */
95 u32 ale_drop;
96 u32 ale_overrun_drop;
97 u32 rx_octets;
98 u32 tx_good_frames;
99 u32 tx_broadcast_frames;
100 u32 tx_multicast_frames;
101 u32 tx_pause_frames; /* slave */
102 u32 tx_deferred_frames; /* slave */
103 u32 tx_collision_frames; /* slave */
104 u32 tx_single_coll_frames; /* slave */
105 u32 tx_mult_coll_frames; /* slave */
106 u32 tx_excessive_collisions; /* slave */
107 u32 tx_late_collisions; /* slave */
108 u32 rx_ipg_error; /* slave 10G only */
109 u32 tx_carrier_sense_errors; /* slave */
110 u32 tx_octets;
111 u32 tx_64B_frames;
112 u32 tx_65_to_127B_frames;
113 u32 tx_128_to_255B_frames;
114 u32 tx_256_to_511B_frames;
115 u32 tx_512_to_1023B_frames;
116 u32 tx_1024B_frames;
117 u32 net_octets;
118 u32 rx_bottom_fifo_drop;
119 u32 rx_port_mask_drop;
120 u32 rx_top_fifo_drop;
121 u32 ale_rate_limit_drop;
122 u32 ale_vid_ingress_drop;
123 u32 ale_da_eq_sa_drop;
124 u32 ale_block_drop; /* K3 */
125 u32 ale_secure_drop; /* K3 */
126 u32 ale_auth_drop; /* K3 */
127 u32 ale_unknown_ucast;
128 u32 ale_unknown_ucast_bytes;
129 u32 ale_unknown_mcast;
130 u32 ale_unknown_mcast_bytes;
131 u32 ale_unknown_bcast;
132 u32 ale_unknown_bcast_bytes;
133 u32 ale_pol_match;
134 u32 ale_pol_match_red;
135 u32 ale_pol_match_yellow;
136 u32 ale_mcast_sa_drop; /* K3 */
137 u32 ale_dual_vlan_drop; /* K3 */
138 u32 ale_len_err_drop; /* K3 */
139 u32 ale_ip_next_hdr_drop; /* K3 */
140 u32 ale_ipv4_frag_drop; /* K3 */
141 u32 __rsvd_1[24];
142 u32 iet_rx_assembly_err; /* K3 slave */
143 u32 iet_rx_assembly_ok; /* K3 slave */
144 u32 iet_rx_smd_err; /* K3 slave */
145 u32 iet_rx_frag; /* K3 slave */
146 u32 iet_tx_hold; /* K3 slave */
147 u32 iet_tx_frag; /* K3 slave */
148 u32 __rsvd_2[9];
149 u32 tx_mem_protect_err;
150 /* following NU only */
151 u32 tx_pri0;
152 u32 tx_pri1;
153 u32 tx_pri2;
154 u32 tx_pri3;
155 u32 tx_pri4;
156 u32 tx_pri5;
157 u32 tx_pri6;
158 u32 tx_pri7;
159 u32 tx_pri0_bcnt;
160 u32 tx_pri1_bcnt;
161 u32 tx_pri2_bcnt;
162 u32 tx_pri3_bcnt;
163 u32 tx_pri4_bcnt;
164 u32 tx_pri5_bcnt;
165 u32 tx_pri6_bcnt;
166 u32 tx_pri7_bcnt;
167 u32 tx_pri0_drop;
168 u32 tx_pri1_drop;
169 u32 tx_pri2_drop;
170 u32 tx_pri3_drop;
171 u32 tx_pri4_drop;
172 u32 tx_pri5_drop;
173 u32 tx_pri6_drop;
174 u32 tx_pri7_drop;
175 u32 tx_pri0_drop_bcnt;
176 u32 tx_pri1_drop_bcnt;
177 u32 tx_pri2_drop_bcnt;
178 u32 tx_pri3_drop_bcnt;
179 u32 tx_pri4_drop_bcnt;
180 u32 tx_pri5_drop_bcnt;
181 u32 tx_pri6_drop_bcnt;
182 u32 tx_pri7_drop_bcnt;
183 };
184
185 struct am65_cpsw_ethtool_stat {
186 char desc[ETH_GSTRING_LEN];
187 int offset;
188 };
189
190 #define AM65_CPSW_STATS(prefix, field) \
191 { \
192 #prefix#field, \
193 offsetof(struct am65_cpsw_stats_regs, field) \
194 }
195
196 static const struct am65_cpsw_ethtool_stat am65_host_stats[] = {
197 AM65_CPSW_STATS(p0_, rx_good_frames),
198 AM65_CPSW_STATS(p0_, rx_broadcast_frames),
199 AM65_CPSW_STATS(p0_, rx_multicast_frames),
200 AM65_CPSW_STATS(p0_, rx_crc_errors),
201 AM65_CPSW_STATS(p0_, rx_oversized_frames),
202 AM65_CPSW_STATS(p0_, rx_undersized_frames),
203 AM65_CPSW_STATS(p0_, ale_drop),
204 AM65_CPSW_STATS(p0_, ale_overrun_drop),
205 AM65_CPSW_STATS(p0_, rx_octets),
206 AM65_CPSW_STATS(p0_, tx_good_frames),
207 AM65_CPSW_STATS(p0_, tx_broadcast_frames),
208 AM65_CPSW_STATS(p0_, tx_multicast_frames),
209 AM65_CPSW_STATS(p0_, tx_octets),
210 AM65_CPSW_STATS(p0_, tx_64B_frames),
211 AM65_CPSW_STATS(p0_, tx_65_to_127B_frames),
212 AM65_CPSW_STATS(p0_, tx_128_to_255B_frames),
213 AM65_CPSW_STATS(p0_, tx_256_to_511B_frames),
214 AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames),
215 AM65_CPSW_STATS(p0_, tx_1024B_frames),
216 AM65_CPSW_STATS(p0_, net_octets),
217 AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop),
218 AM65_CPSW_STATS(p0_, rx_port_mask_drop),
219 AM65_CPSW_STATS(p0_, rx_top_fifo_drop),
220 AM65_CPSW_STATS(p0_, ale_rate_limit_drop),
221 AM65_CPSW_STATS(p0_, ale_vid_ingress_drop),
222 AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop),
223 AM65_CPSW_STATS(p0_, ale_block_drop),
224 AM65_CPSW_STATS(p0_, ale_secure_drop),
225 AM65_CPSW_STATS(p0_, ale_auth_drop),
226 AM65_CPSW_STATS(p0_, ale_unknown_ucast),
227 AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes),
228 AM65_CPSW_STATS(p0_, ale_unknown_mcast),
229 AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes),
230 AM65_CPSW_STATS(p0_, ale_unknown_bcast),
231 AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes),
232 AM65_CPSW_STATS(p0_, ale_pol_match),
233 AM65_CPSW_STATS(p0_, ale_pol_match_red),
234 AM65_CPSW_STATS(p0_, ale_pol_match_yellow),
235 AM65_CPSW_STATS(p0_, ale_mcast_sa_drop),
236 AM65_CPSW_STATS(p0_, ale_dual_vlan_drop),
237 AM65_CPSW_STATS(p0_, ale_len_err_drop),
238 AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop),
239 AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop),
240 AM65_CPSW_STATS(p0_, tx_mem_protect_err),
241 AM65_CPSW_STATS(p0_, tx_pri0),
242 AM65_CPSW_STATS(p0_, tx_pri1),
243 AM65_CPSW_STATS(p0_, tx_pri2),
244 AM65_CPSW_STATS(p0_, tx_pri3),
245 AM65_CPSW_STATS(p0_, tx_pri4),
246 AM65_CPSW_STATS(p0_, tx_pri5),
247 AM65_CPSW_STATS(p0_, tx_pri6),
248 AM65_CPSW_STATS(p0_, tx_pri7),
249 AM65_CPSW_STATS(p0_, tx_pri0_bcnt),
250 AM65_CPSW_STATS(p0_, tx_pri1_bcnt),
251 AM65_CPSW_STATS(p0_, tx_pri2_bcnt),
252 AM65_CPSW_STATS(p0_, tx_pri3_bcnt),
253 AM65_CPSW_STATS(p0_, tx_pri4_bcnt),
254 AM65_CPSW_STATS(p0_, tx_pri5_bcnt),
255 AM65_CPSW_STATS(p0_, tx_pri6_bcnt),
256 AM65_CPSW_STATS(p0_, tx_pri7_bcnt),
257 AM65_CPSW_STATS(p0_, tx_pri0_drop),
258 AM65_CPSW_STATS(p0_, tx_pri1_drop),
259 AM65_CPSW_STATS(p0_, tx_pri2_drop),
260 AM65_CPSW_STATS(p0_, tx_pri3_drop),
261 AM65_CPSW_STATS(p0_, tx_pri4_drop),
262 AM65_CPSW_STATS(p0_, tx_pri5_drop),
263 AM65_CPSW_STATS(p0_, tx_pri6_drop),
264 AM65_CPSW_STATS(p0_, tx_pri7_drop),
265 AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt),
266 AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt),
267 AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt),
268 AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt),
269 AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt),
270 AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt),
271 AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt),
272 AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt),
273 };
274
275 static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = {
276 AM65_CPSW_STATS(, rx_good_frames),
277 AM65_CPSW_STATS(, rx_broadcast_frames),
278 AM65_CPSW_STATS(, rx_multicast_frames),
279 AM65_CPSW_STATS(, rx_pause_frames),
280 AM65_CPSW_STATS(, rx_crc_errors),
281 AM65_CPSW_STATS(, rx_align_code_errors),
282 AM65_CPSW_STATS(, rx_oversized_frames),
283 AM65_CPSW_STATS(, rx_jabber_frames),
284 AM65_CPSW_STATS(, rx_undersized_frames),
285 AM65_CPSW_STATS(, rx_fragments),
286 AM65_CPSW_STATS(, ale_drop),
287 AM65_CPSW_STATS(, ale_overrun_drop),
288 AM65_CPSW_STATS(, rx_octets),
289 AM65_CPSW_STATS(, tx_good_frames),
290 AM65_CPSW_STATS(, tx_broadcast_frames),
291 AM65_CPSW_STATS(, tx_multicast_frames),
292 AM65_CPSW_STATS(, tx_pause_frames),
293 AM65_CPSW_STATS(, tx_deferred_frames),
294 AM65_CPSW_STATS(, tx_collision_frames),
295 AM65_CPSW_STATS(, tx_single_coll_frames),
296 AM65_CPSW_STATS(, tx_mult_coll_frames),
297 AM65_CPSW_STATS(, tx_excessive_collisions),
298 AM65_CPSW_STATS(, tx_late_collisions),
299 AM65_CPSW_STATS(, rx_ipg_error),
300 AM65_CPSW_STATS(, tx_carrier_sense_errors),
301 AM65_CPSW_STATS(, tx_octets),
302 AM65_CPSW_STATS(, tx_64B_frames),
303 AM65_CPSW_STATS(, tx_65_to_127B_frames),
304 AM65_CPSW_STATS(, tx_128_to_255B_frames),
305 AM65_CPSW_STATS(, tx_256_to_511B_frames),
306 AM65_CPSW_STATS(, tx_512_to_1023B_frames),
307 AM65_CPSW_STATS(, tx_1024B_frames),
308 AM65_CPSW_STATS(, net_octets),
309 AM65_CPSW_STATS(, rx_bottom_fifo_drop),
310 AM65_CPSW_STATS(, rx_port_mask_drop),
311 AM65_CPSW_STATS(, rx_top_fifo_drop),
312 AM65_CPSW_STATS(, ale_rate_limit_drop),
313 AM65_CPSW_STATS(, ale_vid_ingress_drop),
314 AM65_CPSW_STATS(, ale_da_eq_sa_drop),
315 AM65_CPSW_STATS(, ale_block_drop),
316 AM65_CPSW_STATS(, ale_secure_drop),
317 AM65_CPSW_STATS(, ale_auth_drop),
318 AM65_CPSW_STATS(, ale_unknown_ucast),
319 AM65_CPSW_STATS(, ale_unknown_ucast_bytes),
320 AM65_CPSW_STATS(, ale_unknown_mcast),
321 AM65_CPSW_STATS(, ale_unknown_mcast_bytes),
322 AM65_CPSW_STATS(, ale_unknown_bcast),
323 AM65_CPSW_STATS(, ale_unknown_bcast_bytes),
324 AM65_CPSW_STATS(, ale_pol_match),
325 AM65_CPSW_STATS(, ale_pol_match_red),
326 AM65_CPSW_STATS(, ale_pol_match_yellow),
327 AM65_CPSW_STATS(, ale_mcast_sa_drop),
328 AM65_CPSW_STATS(, ale_dual_vlan_drop),
329 AM65_CPSW_STATS(, ale_len_err_drop),
330 AM65_CPSW_STATS(, ale_ip_next_hdr_drop),
331 AM65_CPSW_STATS(, ale_ipv4_frag_drop),
332 AM65_CPSW_STATS(, iet_rx_assembly_err),
333 AM65_CPSW_STATS(, iet_rx_assembly_ok),
334 AM65_CPSW_STATS(, iet_rx_smd_err),
335 AM65_CPSW_STATS(, iet_rx_frag),
336 AM65_CPSW_STATS(, iet_tx_hold),
337 AM65_CPSW_STATS(, iet_tx_frag),
338 AM65_CPSW_STATS(, tx_mem_protect_err),
339 AM65_CPSW_STATS(, tx_pri0),
340 AM65_CPSW_STATS(, tx_pri1),
341 AM65_CPSW_STATS(, tx_pri2),
342 AM65_CPSW_STATS(, tx_pri3),
343 AM65_CPSW_STATS(, tx_pri4),
344 AM65_CPSW_STATS(, tx_pri5),
345 AM65_CPSW_STATS(, tx_pri6),
346 AM65_CPSW_STATS(, tx_pri7),
347 AM65_CPSW_STATS(, tx_pri0_bcnt),
348 AM65_CPSW_STATS(, tx_pri1_bcnt),
349 AM65_CPSW_STATS(, tx_pri2_bcnt),
350 AM65_CPSW_STATS(, tx_pri3_bcnt),
351 AM65_CPSW_STATS(, tx_pri4_bcnt),
352 AM65_CPSW_STATS(, tx_pri5_bcnt),
353 AM65_CPSW_STATS(, tx_pri6_bcnt),
354 AM65_CPSW_STATS(, tx_pri7_bcnt),
355 AM65_CPSW_STATS(, tx_pri0_drop),
356 AM65_CPSW_STATS(, tx_pri1_drop),
357 AM65_CPSW_STATS(, tx_pri2_drop),
358 AM65_CPSW_STATS(, tx_pri3_drop),
359 AM65_CPSW_STATS(, tx_pri4_drop),
360 AM65_CPSW_STATS(, tx_pri5_drop),
361 AM65_CPSW_STATS(, tx_pri6_drop),
362 AM65_CPSW_STATS(, tx_pri7_drop),
363 AM65_CPSW_STATS(, tx_pri0_drop_bcnt),
364 AM65_CPSW_STATS(, tx_pri1_drop_bcnt),
365 AM65_CPSW_STATS(, tx_pri2_drop_bcnt),
366 AM65_CPSW_STATS(, tx_pri3_drop_bcnt),
367 AM65_CPSW_STATS(, tx_pri4_drop_bcnt),
368 AM65_CPSW_STATS(, tx_pri5_drop_bcnt),
369 AM65_CPSW_STATS(, tx_pri6_drop_bcnt),
370 AM65_CPSW_STATS(, tx_pri7_drop_bcnt),
371 };
372
373 /* Ethtool priv_flags */
374 static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = {
375 #define AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN BIT(0)
376 "p0-rx-ptype-rrobin",
377 };
378
am65_cpsw_ethtool_op_begin(struct net_device * ndev)379 static int am65_cpsw_ethtool_op_begin(struct net_device *ndev)
380 {
381 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
382 int ret;
383
384 ret = pm_runtime_resume_and_get(common->dev);
385 if (ret < 0)
386 dev_err(common->dev, "ethtool begin failed %d\n", ret);
387
388 return ret;
389 }
390
am65_cpsw_ethtool_op_complete(struct net_device * ndev)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
am65_cpsw_get_drvinfo(struct net_device * ndev,struct ethtool_drvinfo * info)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 strscpy(info->driver, dev_driver_string(common->dev),
407 sizeof(info->driver));
408 strscpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info));
409 }
410
am65_cpsw_get_msglevel(struct net_device * ndev)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
am65_cpsw_set_msglevel(struct net_device * ndev,u32 value)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
am65_cpsw_get_channels(struct net_device * ndev,struct ethtool_channels * ch)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_QUEUES;
431 ch->max_tx = AM65_CPSW_MAX_QUEUES;
432 ch->rx_count = common->rx_ch_num_flows;
433 ch->tx_count = common->tx_ch_num;
434 }
435
am65_cpsw_set_channels(struct net_device * ndev,struct ethtool_channels * chs)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 (common->usage_count)
448 return -EBUSY;
449
450 return am65_cpsw_nuss_update_tx_rx_chns(common, chs->tx_count,
451 chs->rx_count);
452 }
453
454 static void
am65_cpsw_get_ringparam(struct net_device * ndev,struct ethtool_ringparam * ering,struct kernel_ethtool_ringparam * kernel_ering,struct netlink_ext_ack * extack)455 am65_cpsw_get_ringparam(struct net_device *ndev,
456 struct ethtool_ringparam *ering,
457 struct kernel_ethtool_ringparam *kernel_ering,
458 struct netlink_ext_ack *extack)
459 {
460 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
461
462 /* not supported */
463 ering->tx_pending = common->tx_chns[0].descs_num;
464 ering->rx_pending = common->rx_chns.descs_num;
465 }
466
am65_cpsw_get_pauseparam(struct net_device * ndev,struct ethtool_pauseparam * pause)467 static void am65_cpsw_get_pauseparam(struct net_device *ndev,
468 struct ethtool_pauseparam *pause)
469 {
470 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
471
472 phylink_ethtool_get_pauseparam(salve->phylink, pause);
473 }
474
am65_cpsw_set_pauseparam(struct net_device * ndev,struct ethtool_pauseparam * pause)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 return phylink_ethtool_set_pauseparam(salve->phylink, pause);
481 }
482
am65_cpsw_get_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)483 static void am65_cpsw_get_wol(struct net_device *ndev,
484 struct ethtool_wolinfo *wol)
485 {
486 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
487
488 phylink_ethtool_get_wol(salve->phylink, wol);
489 }
490
am65_cpsw_set_wol(struct net_device * ndev,struct ethtool_wolinfo * wol)491 static int am65_cpsw_set_wol(struct net_device *ndev,
492 struct ethtool_wolinfo *wol)
493 {
494 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
495
496 return phylink_ethtool_set_wol(salve->phylink, wol);
497 }
498
am65_cpsw_get_link_ksettings(struct net_device * ndev,struct ethtool_link_ksettings * ecmd)499 static int am65_cpsw_get_link_ksettings(struct net_device *ndev,
500 struct ethtool_link_ksettings *ecmd)
501 {
502 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
503
504 return phylink_ethtool_ksettings_get(salve->phylink, ecmd);
505 }
506
507 static int
am65_cpsw_set_link_ksettings(struct net_device * ndev,const struct ethtool_link_ksettings * ecmd)508 am65_cpsw_set_link_ksettings(struct net_device *ndev,
509 const struct ethtool_link_ksettings *ecmd)
510 {
511 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
512
513 return phylink_ethtool_ksettings_set(salve->phylink, ecmd);
514 }
515
am65_cpsw_get_eee(struct net_device * ndev,struct ethtool_keee * edata)516 static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_keee *edata)
517 {
518 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
519
520 return phylink_ethtool_get_eee(salve->phylink, edata);
521 }
522
am65_cpsw_set_eee(struct net_device * ndev,struct ethtool_keee * edata)523 static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_keee *edata)
524 {
525 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
526
527 return phylink_ethtool_set_eee(salve->phylink, edata);
528 }
529
am65_cpsw_nway_reset(struct net_device * ndev)530 static int am65_cpsw_nway_reset(struct net_device *ndev)
531 {
532 struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
533
534 return phylink_ethtool_nway_reset(salve->phylink);
535 }
536
am65_cpsw_get_regs_len(struct net_device * ndev)537 static int am65_cpsw_get_regs_len(struct net_device *ndev)
538 {
539 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
540 u32 ale_entries, i, regdump_len = 0;
541
542 ale_entries = cpsw_ale_get_num_entries(common->ale);
543 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
544 if (am65_cpsw_regdump[i].hdr.module_id ==
545 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
546 regdump_len += sizeof(struct am65_cpsw_regdump_hdr);
547 regdump_len += ale_entries *
548 ALE_ENTRY_WORDS * sizeof(u32);
549 continue;
550 }
551 regdump_len += am65_cpsw_regdump[i].hdr.len;
552 }
553
554 return regdump_len;
555 }
556
am65_cpsw_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * p)557 static void am65_cpsw_get_regs(struct net_device *ndev,
558 struct ethtool_regs *regs, void *p)
559 {
560 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
561 u32 ale_entries, i, j, pos, *reg = p;
562
563 /* update CPSW IP version */
564 regs->version = AM65_CPSW_REGDUMP_VER;
565 ale_entries = cpsw_ale_get_num_entries(common->ale);
566
567 pos = 0;
568 for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
569 reg[pos++] = am65_cpsw_regdump[i].hdr.module_id;
570
571 if (am65_cpsw_regdump[i].hdr.module_id ==
572 AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
573 u32 ale_tbl_len = ale_entries *
574 ALE_ENTRY_WORDS * sizeof(u32) +
575 sizeof(struct am65_cpsw_regdump_hdr);
576 reg[pos++] = ale_tbl_len;
577 cpsw_ale_dump(common->ale, ®[pos]);
578 pos += ale_tbl_len;
579 continue;
580 }
581
582 reg[pos++] = am65_cpsw_regdump[i].hdr.len;
583
584 j = am65_cpsw_regdump[i].start_ofs;
585 do {
586 reg[pos++] = j;
587 reg[pos++] = readl_relaxed(common->ss_base + j);
588 j += sizeof(u32);
589 } while (j <= am65_cpsw_regdump[i].end_ofs);
590 }
591 }
592
am65_cpsw_get_sset_count(struct net_device * ndev,int sset)593 static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset)
594 {
595 switch (sset) {
596 case ETH_SS_STATS:
597 return ARRAY_SIZE(am65_host_stats) +
598 ARRAY_SIZE(am65_slave_stats);
599 case ETH_SS_PRIV_FLAGS:
600 return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
601 default:
602 return -EOPNOTSUPP;
603 }
604 }
605
am65_cpsw_get_strings(struct net_device * ndev,u32 stringset,u8 * data)606 static void am65_cpsw_get_strings(struct net_device *ndev,
607 u32 stringset, u8 *data)
608 {
609 const struct am65_cpsw_ethtool_stat *hw_stats;
610 u32 i, num_stats;
611 u8 *p = data;
612
613 switch (stringset) {
614 case ETH_SS_STATS:
615 num_stats = ARRAY_SIZE(am65_host_stats);
616 hw_stats = am65_host_stats;
617 for (i = 0; i < num_stats; i++) {
618 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
619 p += ETH_GSTRING_LEN;
620 }
621
622 num_stats = ARRAY_SIZE(am65_slave_stats);
623 hw_stats = am65_slave_stats;
624 for (i = 0; i < num_stats; i++) {
625 memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
626 p += ETH_GSTRING_LEN;
627 }
628 break;
629 case ETH_SS_PRIV_FLAGS:
630 num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
631
632 for (i = 0; i < num_stats; i++) {
633 memcpy(p, am65_cpsw_ethtool_priv_flags[i],
634 ETH_GSTRING_LEN);
635 p += ETH_GSTRING_LEN;
636 }
637 break;
638 }
639 }
640
am65_cpsw_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)641 static void am65_cpsw_get_ethtool_stats(struct net_device *ndev,
642 struct ethtool_stats *stats, u64 *data)
643 {
644 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
645 const struct am65_cpsw_ethtool_stat *hw_stats;
646 struct am65_cpsw_host *host_p;
647 struct am65_cpsw_port *port;
648 u32 i, num_stats;
649
650 host_p = am65_common_get_host(common);
651 port = am65_ndev_to_port(ndev);
652 num_stats = ARRAY_SIZE(am65_host_stats);
653 hw_stats = am65_host_stats;
654 for (i = 0; i < num_stats; i++)
655 *data++ = readl_relaxed(host_p->stat_base +
656 hw_stats[i].offset);
657
658 num_stats = ARRAY_SIZE(am65_slave_stats);
659 hw_stats = am65_slave_stats;
660 for (i = 0; i < num_stats; i++)
661 *data++ = readl_relaxed(port->stat_base +
662 hw_stats[i].offset);
663 }
664
am65_cpsw_get_eth_mac_stats(struct net_device * ndev,struct ethtool_eth_mac_stats * s)665 static void am65_cpsw_get_eth_mac_stats(struct net_device *ndev,
666 struct ethtool_eth_mac_stats *s)
667 {
668 struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
669 struct am65_cpsw_stats_regs __iomem *stats;
670
671 stats = port->stat_base;
672
673 if (s->src != ETHTOOL_MAC_STATS_SRC_AGGREGATE)
674 return;
675
676 s->FramesTransmittedOK = readl_relaxed(&stats->tx_good_frames);
677 s->SingleCollisionFrames = readl_relaxed(&stats->tx_single_coll_frames);
678 s->MultipleCollisionFrames = readl_relaxed(&stats->tx_mult_coll_frames);
679 s->FramesReceivedOK = readl_relaxed(&stats->rx_good_frames);
680 s->FrameCheckSequenceErrors = readl_relaxed(&stats->rx_crc_errors);
681 s->AlignmentErrors = readl_relaxed(&stats->rx_align_code_errors);
682 s->OctetsTransmittedOK = readl_relaxed(&stats->tx_octets);
683 s->FramesWithDeferredXmissions = readl_relaxed(&stats->tx_deferred_frames);
684 s->LateCollisions = readl_relaxed(&stats->tx_late_collisions);
685 s->CarrierSenseErrors = readl_relaxed(&stats->tx_carrier_sense_errors);
686 s->OctetsReceivedOK = readl_relaxed(&stats->rx_octets);
687 s->MulticastFramesXmittedOK = readl_relaxed(&stats->tx_multicast_frames);
688 s->BroadcastFramesXmittedOK = readl_relaxed(&stats->tx_broadcast_frames);
689 s->MulticastFramesReceivedOK = readl_relaxed(&stats->rx_multicast_frames);
690 s->BroadcastFramesReceivedOK = readl_relaxed(&stats->rx_broadcast_frames);
691 };
692
am65_cpsw_get_ethtool_ts_info(struct net_device * ndev,struct kernel_ethtool_ts_info * info)693 static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev,
694 struct kernel_ethtool_ts_info *info)
695 {
696 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
697 unsigned int ptp_v2_filter;
698
699 ptp_v2_filter = BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
700 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
701 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
702 BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
703 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
704 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
705 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
706 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
707 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ);
708
709 if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
710 return ethtool_op_get_ts_info(ndev, info);
711
712 info->so_timestamping =
713 SOF_TIMESTAMPING_TX_HARDWARE |
714 SOF_TIMESTAMPING_TX_SOFTWARE |
715 SOF_TIMESTAMPING_RX_HARDWARE |
716 SOF_TIMESTAMPING_RAW_HARDWARE;
717 info->phc_index = am65_cpts_phc_index(common->cpts);
718 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
719 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | ptp_v2_filter;
720 return 0;
721 }
722
am65_cpsw_get_ethtool_priv_flags(struct net_device * ndev)723 static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev)
724 {
725 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
726 u32 priv_flags = 0;
727
728 if (common->pf_p0_rx_ptype_rrobin)
729 priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN;
730
731 return priv_flags;
732 }
733
am65_cpsw_set_ethtool_priv_flags(struct net_device * ndev,u32 flags)734 static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags)
735 {
736 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
737 int rrobin;
738
739 rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
740
741 if (common->usage_count)
742 return -EBUSY;
743
744 if (common->est_enabled && rrobin) {
745 netdev_err(ndev,
746 "p0-rx-ptype-rrobin flag conflicts with QOS\n");
747 return -EINVAL;
748 }
749
750 common->pf_p0_rx_ptype_rrobin = rrobin;
751
752 return 0;
753 }
754
am65_cpsw_port_iet_rx_enable(struct am65_cpsw_port * port,bool enable)755 static void am65_cpsw_port_iet_rx_enable(struct am65_cpsw_port *port, bool enable)
756 {
757 u32 val;
758
759 val = readl(port->port_base + AM65_CPSW_PN_REG_CTL);
760 if (enable)
761 val |= AM65_CPSW_PN_CTL_IET_PORT_EN;
762 else
763 val &= ~AM65_CPSW_PN_CTL_IET_PORT_EN;
764
765 writel(val, port->port_base + AM65_CPSW_PN_REG_CTL);
766 am65_cpsw_iet_common_enable(port->common);
767 }
768
am65_cpsw_port_iet_tx_enable(struct am65_cpsw_port * port,bool enable)769 static void am65_cpsw_port_iet_tx_enable(struct am65_cpsw_port *port, bool enable)
770 {
771 u32 val;
772
773 val = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
774 if (enable)
775 val |= AM65_CPSW_PN_IET_MAC_PENABLE;
776 else
777 val &= ~AM65_CPSW_PN_IET_MAC_PENABLE;
778
779 writel(val, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
780 }
781
am65_cpsw_get_mm(struct net_device * ndev,struct ethtool_mm_state * state)782 static int am65_cpsw_get_mm(struct net_device *ndev, struct ethtool_mm_state *state)
783 {
784 struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
785 struct am65_cpsw_ndev_priv *priv = netdev_priv(ndev);
786 u32 port_ctrl, iet_ctrl, iet_status;
787 u32 add_frag_size;
788
789 if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_QOS))
790 return -EOPNOTSUPP;
791
792 mutex_lock(&priv->mm_lock);
793
794 iet_ctrl = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
795 port_ctrl = readl(port->port_base + AM65_CPSW_PN_REG_CTL);
796
797 state->tx_enabled = !!(iet_ctrl & AM65_CPSW_PN_IET_MAC_PENABLE);
798 state->pmac_enabled = !!(port_ctrl & AM65_CPSW_PN_CTL_IET_PORT_EN);
799
800 iet_status = readl(port->port_base + AM65_CPSW_PN_REG_IET_STATUS);
801
802 if (iet_ctrl & AM65_CPSW_PN_IET_MAC_DISABLEVERIFY)
803 state->verify_status = ETHTOOL_MM_VERIFY_STATUS_DISABLED;
804 else if (iet_status & AM65_CPSW_PN_MAC_VERIFIED)
805 state->verify_status = ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED;
806 else if (iet_status & AM65_CPSW_PN_MAC_VERIFY_FAIL)
807 state->verify_status = ETHTOOL_MM_VERIFY_STATUS_FAILED;
808 else
809 state->verify_status = ETHTOOL_MM_VERIFY_STATUS_UNKNOWN;
810
811 add_frag_size = AM65_CPSW_PN_IET_MAC_GET_ADDFRAGSIZE(iet_ctrl);
812 state->tx_min_frag_size = ethtool_mm_frag_size_add_to_min(add_frag_size);
813
814 /* Errata i2208: RX min fragment size cannot be less than 124 */
815 state->rx_min_frag_size = 124;
816
817 /* FPE active if common tx_enabled and verification success or disabled (forced) */
818 state->tx_active = state->tx_enabled &&
819 (state->verify_status == ETHTOOL_MM_VERIFY_STATUS_SUCCEEDED ||
820 state->verify_status == ETHTOOL_MM_VERIFY_STATUS_DISABLED);
821 state->verify_enabled = !(iet_ctrl & AM65_CPSW_PN_IET_MAC_DISABLEVERIFY);
822
823 state->verify_time = port->qos.iet.verify_time_ms;
824
825 /* 802.3-2018 clause 30.14.1.6, says that the aMACMergeVerifyTime
826 * variable has a range between 1 and 128 ms inclusive. Limit to that.
827 */
828 state->max_verify_time = 128;
829
830 mutex_unlock(&priv->mm_lock);
831
832 return 0;
833 }
834
am65_cpsw_set_mm(struct net_device * ndev,struct ethtool_mm_cfg * cfg,struct netlink_ext_ack * extack)835 static int am65_cpsw_set_mm(struct net_device *ndev, struct ethtool_mm_cfg *cfg,
836 struct netlink_ext_ack *extack)
837 {
838 struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
839 struct am65_cpsw_ndev_priv *priv = netdev_priv(ndev);
840 struct am65_cpsw_iet *iet = &port->qos.iet;
841 u32 val, add_frag_size;
842 int err;
843
844 if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_QOS))
845 return -EOPNOTSUPP;
846
847 err = ethtool_mm_frag_size_min_to_add(cfg->tx_min_frag_size, &add_frag_size, extack);
848 if (err)
849 return err;
850
851 mutex_lock(&priv->mm_lock);
852
853 if (cfg->pmac_enabled) {
854 /* change TX & RX FIFO MAX_BLKS as per TRM recommendation */
855 if (!iet->original_max_blks)
856 iet->original_max_blks = readl(port->port_base + AM65_CPSW_PN_REG_MAX_BLKS);
857
858 writel(AM65_CPSW_PN_TX_RX_MAX_BLKS_IET,
859 port->port_base + AM65_CPSW_PN_REG_MAX_BLKS);
860 } else if (iet->original_max_blks) {
861 /* restore RX & TX FIFO MAX_BLKS */
862 writel(iet->original_max_blks,
863 port->port_base + AM65_CPSW_PN_REG_MAX_BLKS);
864 }
865
866 am65_cpsw_port_iet_rx_enable(port, cfg->pmac_enabled);
867 am65_cpsw_port_iet_tx_enable(port, cfg->tx_enabled);
868
869 val = readl(port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
870 if (cfg->verify_enabled) {
871 val &= ~AM65_CPSW_PN_IET_MAC_DISABLEVERIFY;
872 /* Reset Verify state machine. Verification won't start here.
873 * Verification will be done once link-up.
874 */
875 val |= AM65_CPSW_PN_IET_MAC_LINKFAIL;
876 } else {
877 val |= AM65_CPSW_PN_IET_MAC_DISABLEVERIFY;
878 /* Clear LINKFAIL to allow verify/response packets */
879 val &= ~AM65_CPSW_PN_IET_MAC_LINKFAIL;
880 }
881
882 val &= ~AM65_CPSW_PN_IET_MAC_MAC_ADDFRAGSIZE_MASK;
883 val |= AM65_CPSW_PN_IET_MAC_SET_ADDFRAGSIZE(add_frag_size);
884 writel(val, port->port_base + AM65_CPSW_PN_REG_IET_CTRL);
885
886 /* verify_timeout_count can only be set at valid link */
887 port->qos.iet.verify_time_ms = cfg->verify_time;
888
889 /* enable/disable preemption based on link status */
890 am65_cpsw_iet_commit_preemptible_tcs(port);
891
892 mutex_unlock(&priv->mm_lock);
893
894 return 0;
895 }
896
am65_cpsw_get_mm_stats(struct net_device * ndev,struct ethtool_mm_stats * s)897 static void am65_cpsw_get_mm_stats(struct net_device *ndev,
898 struct ethtool_mm_stats *s)
899 {
900 struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
901 void __iomem *base = port->stat_base;
902
903 s->MACMergeFrameAssOkCount = readl(base + AM65_CPSW_STATN_IET_RX_ASSEMBLY_OK);
904 s->MACMergeFrameAssErrorCount = readl(base + AM65_CPSW_STATN_IET_RX_ASSEMBLY_ERROR);
905 s->MACMergeFrameSmdErrorCount = readl(base + AM65_CPSW_STATN_IET_RX_SMD_ERROR);
906 /* CPSW Functional Spec states:
907 * "The IET stat aMACMergeFragCountRx is derived by adding the
908 * Receive Assembly Error count to this value. i.e. AM65_CPSW_STATN_IET_RX_FRAG"
909 */
910 s->MACMergeFragCountRx = readl(base + AM65_CPSW_STATN_IET_RX_FRAG) + s->MACMergeFrameAssErrorCount;
911 s->MACMergeFragCountTx = readl(base + AM65_CPSW_STATN_IET_TX_FRAG);
912 s->MACMergeHoldCount = readl(base + AM65_CPSW_STATN_IET_TX_HOLD);
913 }
914
am65_cpsw_get_per_queue_coalesce(struct net_device * ndev,u32 queue,struct ethtool_coalesce * coal)915 static int am65_cpsw_get_per_queue_coalesce(struct net_device *ndev, u32 queue,
916 struct ethtool_coalesce *coal)
917 {
918 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
919 struct am65_cpsw_rx_flow *rx_flow;
920 struct am65_cpsw_tx_chn *tx_chn;
921
922 if (queue >= AM65_CPSW_MAX_QUEUES)
923 return -EINVAL;
924
925 tx_chn = &common->tx_chns[queue];
926 coal->tx_coalesce_usecs = tx_chn->tx_pace_timeout / 1000;
927
928 rx_flow = &common->rx_chns.flows[queue];
929 coal->rx_coalesce_usecs = rx_flow->rx_pace_timeout / 1000;
930
931 return 0;
932 }
933
am65_cpsw_get_coalesce(struct net_device * ndev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)934 static int am65_cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal,
935 struct kernel_ethtool_coalesce *kernel_coal,
936 struct netlink_ext_ack *extack)
937 {
938 return am65_cpsw_get_per_queue_coalesce(ndev, 0, coal);
939 }
940
am65_cpsw_set_per_queue_coalesce(struct net_device * ndev,u32 queue,struct ethtool_coalesce * coal)941 static int am65_cpsw_set_per_queue_coalesce(struct net_device *ndev, u32 queue,
942 struct ethtool_coalesce *coal)
943 {
944 struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
945 struct am65_cpsw_rx_flow *rx_flow;
946 struct am65_cpsw_tx_chn *tx_chn;
947
948 if (queue >= AM65_CPSW_MAX_QUEUES)
949 return -EINVAL;
950
951 tx_chn = &common->tx_chns[queue];
952 if (coal->tx_coalesce_usecs && coal->tx_coalesce_usecs < 20)
953 return -EINVAL;
954
955 tx_chn->tx_pace_timeout = coal->tx_coalesce_usecs * 1000;
956
957 rx_flow = &common->rx_chns.flows[queue];
958 if (coal->rx_coalesce_usecs && coal->rx_coalesce_usecs < 20)
959 return -EINVAL;
960
961 rx_flow->rx_pace_timeout = coal->rx_coalesce_usecs * 1000;
962
963 return 0;
964 }
965
am65_cpsw_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * coal,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)966 static int am65_cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal,
967 struct kernel_ethtool_coalesce *kernel_coal,
968 struct netlink_ext_ack *extack)
969 {
970 return am65_cpsw_set_per_queue_coalesce(ndev, 0, coal);
971 }
972
973 const struct ethtool_ops am65_cpsw_ethtool_ops_slave = {
974 .begin = am65_cpsw_ethtool_op_begin,
975 .complete = am65_cpsw_ethtool_op_complete,
976 .get_drvinfo = am65_cpsw_get_drvinfo,
977 .get_msglevel = am65_cpsw_get_msglevel,
978 .set_msglevel = am65_cpsw_set_msglevel,
979 .get_channels = am65_cpsw_get_channels,
980 .set_channels = am65_cpsw_set_channels,
981 .get_ringparam = am65_cpsw_get_ringparam,
982 .get_regs_len = am65_cpsw_get_regs_len,
983 .get_regs = am65_cpsw_get_regs,
984 .get_sset_count = am65_cpsw_get_sset_count,
985 .get_strings = am65_cpsw_get_strings,
986 .get_ethtool_stats = am65_cpsw_get_ethtool_stats,
987 .get_eth_mac_stats = am65_cpsw_get_eth_mac_stats,
988 .get_ts_info = am65_cpsw_get_ethtool_ts_info,
989 .get_priv_flags = am65_cpsw_get_ethtool_priv_flags,
990 .set_priv_flags = am65_cpsw_set_ethtool_priv_flags,
991 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
992 .get_coalesce = am65_cpsw_get_coalesce,
993 .set_coalesce = am65_cpsw_set_coalesce,
994 .get_per_queue_coalesce = am65_cpsw_get_per_queue_coalesce,
995 .set_per_queue_coalesce = am65_cpsw_set_per_queue_coalesce,
996
997 .get_link = ethtool_op_get_link,
998 .get_link_ksettings = am65_cpsw_get_link_ksettings,
999 .set_link_ksettings = am65_cpsw_set_link_ksettings,
1000 .get_pauseparam = am65_cpsw_get_pauseparam,
1001 .set_pauseparam = am65_cpsw_set_pauseparam,
1002 .get_wol = am65_cpsw_get_wol,
1003 .set_wol = am65_cpsw_set_wol,
1004 .get_eee = am65_cpsw_get_eee,
1005 .set_eee = am65_cpsw_set_eee,
1006 .nway_reset = am65_cpsw_nway_reset,
1007 .get_mm = am65_cpsw_get_mm,
1008 .set_mm = am65_cpsw_set_mm,
1009 .get_mm_stats = am65_cpsw_get_mm_stats,
1010 };
1011