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  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#include "am65-cpts.h"
 16
 17#define AM65_CPSW_REGDUMP_VER 0x1
 18
 19enum {
 20	AM65_CPSW_REGDUMP_MOD_NUSS = 1,
 21	AM65_CPSW_REGDUMP_MOD_RGMII_STATUS = 2,
 22	AM65_CPSW_REGDUMP_MOD_MDIO = 3,
 23	AM65_CPSW_REGDUMP_MOD_CPSW = 4,
 24	AM65_CPSW_REGDUMP_MOD_CPSW_P0 = 5,
 25	AM65_CPSW_REGDUMP_MOD_CPSW_P1 = 6,
 26	AM65_CPSW_REGDUMP_MOD_CPSW_CPTS = 7,
 27	AM65_CPSW_REGDUMP_MOD_CPSW_ALE = 8,
 28	AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL = 9,
 29	AM65_CPSW_REGDUMP_MOD_LAST,
 30};
 31
 32/**
 33 * struct am65_cpsw_regdump_hdr - regdump record header
 34 *
 35 * @module_id: CPSW module ID
 36 * @len: CPSW module registers space length in u32
 37 */
 38
 39struct am65_cpsw_regdump_hdr {
 40	u32 module_id;
 41	u32 len;
 42};
 43
 44/**
 45 * struct am65_cpsw_regdump_item - regdump module description
 46 *
 47 * @hdr: CPSW module header
 48 * @start_ofs: CPSW module registers start addr
 49 * @end_ofs: CPSW module registers end addr
 50 *
 51 * Registers dump provided in the format:
 52 *  u32 : module ID
 53 *  u32 : dump length
 54 *  u32[..len]: registers values
 55 */
 56struct am65_cpsw_regdump_item {
 57	struct am65_cpsw_regdump_hdr hdr;
 58	u32 start_ofs;
 59	u32 end_ofs;
 60};
 61
 62#define AM65_CPSW_REGDUMP_REC(mod, start, end) { \
 63	.hdr.module_id = (mod), \
 64	.hdr.len = (((u32 *)(end)) - ((u32 *)(start)) + 1) * sizeof(u32) * 2 + \
 65		   sizeof(struct am65_cpsw_regdump_hdr), \
 66	.start_ofs = (start), \
 67	.end_ofs = end, \
 68}
 69
 70static const struct am65_cpsw_regdump_item am65_cpsw_regdump[] = {
 71	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_NUSS, 0x0, 0x1c),
 72	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_RGMII_STATUS, 0x30, 0x4c),
 73	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_MDIO, 0xf00, 0xffc),
 74	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW, 0x20000, 0x2011c),
 75	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P0, 0x21000, 0x21320),
 76	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_P1, 0x22000, 0x223a4),
 77	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_CPTS,
 78			      0x3d000, 0x3d048),
 79	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE, 0x3e000, 0x3e13c),
 80	AM65_CPSW_REGDUMP_REC(AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL, 0, 0),
 81};
 82
 83struct am65_cpsw_stats_regs {
 84	u32	rx_good_frames;
 85	u32	rx_broadcast_frames;
 86	u32	rx_multicast_frames;
 87	u32	rx_pause_frames;		/* slave */
 88	u32	rx_crc_errors;
 89	u32	rx_align_code_errors;		/* slave */
 90	u32	rx_oversized_frames;
 91	u32	rx_jabber_frames;		/* slave */
 92	u32	rx_undersized_frames;
 93	u32	rx_fragments;			/* slave */
 94	u32	ale_drop;
 95	u32	ale_overrun_drop;
 96	u32	rx_octets;
 97	u32	tx_good_frames;
 98	u32	tx_broadcast_frames;
 99	u32	tx_multicast_frames;
100	u32	tx_pause_frames;		/* slave */
101	u32	tx_deferred_frames;		/* slave */
102	u32	tx_collision_frames;		/* slave */
103	u32	tx_single_coll_frames;		/* slave */
104	u32	tx_mult_coll_frames;		/* slave */
105	u32	tx_excessive_collisions;	/* slave */
106	u32	tx_late_collisions;		/* slave */
107	u32	rx_ipg_error;			/* slave 10G only */
108	u32	tx_carrier_sense_errors;	/* slave */
109	u32	tx_octets;
110	u32	tx_64B_frames;
111	u32	tx_65_to_127B_frames;
112	u32	tx_128_to_255B_frames;
113	u32	tx_256_to_511B_frames;
114	u32	tx_512_to_1023B_frames;
115	u32	tx_1024B_frames;
116	u32	net_octets;
117	u32	rx_bottom_fifo_drop;
118	u32	rx_port_mask_drop;
119	u32	rx_top_fifo_drop;
120	u32	ale_rate_limit_drop;
121	u32	ale_vid_ingress_drop;
122	u32	ale_da_eq_sa_drop;
123	u32	ale_block_drop;			/* K3 */
124	u32	ale_secure_drop;		/* K3 */
125	u32	ale_auth_drop;			/* K3 */
126	u32	ale_unknown_ucast;
127	u32	ale_unknown_ucast_bytes;
128	u32	ale_unknown_mcast;
129	u32	ale_unknown_mcast_bytes;
130	u32	ale_unknown_bcast;
131	u32	ale_unknown_bcast_bytes;
132	u32	ale_pol_match;
133	u32	ale_pol_match_red;
134	u32	ale_pol_match_yellow;
135	u32	ale_mcast_sa_drop;		/* K3 */
136	u32	ale_dual_vlan_drop;		/* K3 */
137	u32	ale_len_err_drop;		/* K3 */
138	u32	ale_ip_next_hdr_drop;		/* K3 */
139	u32	ale_ipv4_frag_drop;		/* K3 */
140	u32	__rsvd_1[24];
141	u32	iet_rx_assembly_err;		/* K3 slave */
142	u32	iet_rx_assembly_ok;		/* K3 slave */
143	u32	iet_rx_smd_err;			/* K3 slave */
144	u32	iet_rx_frag;			/* K3 slave */
145	u32	iet_tx_hold;			/* K3 slave */
146	u32	iet_tx_frag;			/* K3 slave */
147	u32	__rsvd_2[9];
148	u32	tx_mem_protect_err;
149	/* following NU only */
150	u32	tx_pri0;
151	u32	tx_pri1;
152	u32	tx_pri2;
153	u32	tx_pri3;
154	u32	tx_pri4;
155	u32	tx_pri5;
156	u32	tx_pri6;
157	u32	tx_pri7;
158	u32	tx_pri0_bcnt;
159	u32	tx_pri1_bcnt;
160	u32	tx_pri2_bcnt;
161	u32	tx_pri3_bcnt;
162	u32	tx_pri4_bcnt;
163	u32	tx_pri5_bcnt;
164	u32	tx_pri6_bcnt;
165	u32	tx_pri7_bcnt;
166	u32	tx_pri0_drop;
167	u32	tx_pri1_drop;
168	u32	tx_pri2_drop;
169	u32	tx_pri3_drop;
170	u32	tx_pri4_drop;
171	u32	tx_pri5_drop;
172	u32	tx_pri6_drop;
173	u32	tx_pri7_drop;
174	u32	tx_pri0_drop_bcnt;
175	u32	tx_pri1_drop_bcnt;
176	u32	tx_pri2_drop_bcnt;
177	u32	tx_pri3_drop_bcnt;
178	u32	tx_pri4_drop_bcnt;
179	u32	tx_pri5_drop_bcnt;
180	u32	tx_pri6_drop_bcnt;
181	u32	tx_pri7_drop_bcnt;
182};
183
184struct am65_cpsw_ethtool_stat {
185	char desc[ETH_GSTRING_LEN];
186	int offset;
187};
188
189#define AM65_CPSW_STATS(prefix, field)			\
190{							\
191	#prefix#field,					\
192	offsetof(struct am65_cpsw_stats_regs, field)	\
193}
194
195static const struct am65_cpsw_ethtool_stat am65_host_stats[] = {
196	AM65_CPSW_STATS(p0_, rx_good_frames),
197	AM65_CPSW_STATS(p0_, rx_broadcast_frames),
198	AM65_CPSW_STATS(p0_, rx_multicast_frames),
199	AM65_CPSW_STATS(p0_, rx_crc_errors),
200	AM65_CPSW_STATS(p0_, rx_oversized_frames),
201	AM65_CPSW_STATS(p0_, rx_undersized_frames),
202	AM65_CPSW_STATS(p0_, ale_drop),
203	AM65_CPSW_STATS(p0_, ale_overrun_drop),
204	AM65_CPSW_STATS(p0_, rx_octets),
205	AM65_CPSW_STATS(p0_, tx_good_frames),
206	AM65_CPSW_STATS(p0_, tx_broadcast_frames),
207	AM65_CPSW_STATS(p0_, tx_multicast_frames),
208	AM65_CPSW_STATS(p0_, tx_octets),
209	AM65_CPSW_STATS(p0_, tx_64B_frames),
210	AM65_CPSW_STATS(p0_, tx_65_to_127B_frames),
211	AM65_CPSW_STATS(p0_, tx_128_to_255B_frames),
212	AM65_CPSW_STATS(p0_, tx_256_to_511B_frames),
213	AM65_CPSW_STATS(p0_, tx_512_to_1023B_frames),
214	AM65_CPSW_STATS(p0_, tx_1024B_frames),
215	AM65_CPSW_STATS(p0_, net_octets),
216	AM65_CPSW_STATS(p0_, rx_bottom_fifo_drop),
217	AM65_CPSW_STATS(p0_, rx_port_mask_drop),
218	AM65_CPSW_STATS(p0_, rx_top_fifo_drop),
219	AM65_CPSW_STATS(p0_, ale_rate_limit_drop),
220	AM65_CPSW_STATS(p0_, ale_vid_ingress_drop),
221	AM65_CPSW_STATS(p0_, ale_da_eq_sa_drop),
222	AM65_CPSW_STATS(p0_, ale_block_drop),
223	AM65_CPSW_STATS(p0_, ale_secure_drop),
224	AM65_CPSW_STATS(p0_, ale_auth_drop),
225	AM65_CPSW_STATS(p0_, ale_unknown_ucast),
226	AM65_CPSW_STATS(p0_, ale_unknown_ucast_bytes),
227	AM65_CPSW_STATS(p0_, ale_unknown_mcast),
228	AM65_CPSW_STATS(p0_, ale_unknown_mcast_bytes),
229	AM65_CPSW_STATS(p0_, ale_unknown_bcast),
230	AM65_CPSW_STATS(p0_, ale_unknown_bcast_bytes),
231	AM65_CPSW_STATS(p0_, ale_pol_match),
232	AM65_CPSW_STATS(p0_, ale_pol_match_red),
233	AM65_CPSW_STATS(p0_, ale_pol_match_yellow),
234	AM65_CPSW_STATS(p0_, ale_mcast_sa_drop),
235	AM65_CPSW_STATS(p0_, ale_dual_vlan_drop),
236	AM65_CPSW_STATS(p0_, ale_len_err_drop),
237	AM65_CPSW_STATS(p0_, ale_ip_next_hdr_drop),
238	AM65_CPSW_STATS(p0_, ale_ipv4_frag_drop),
239	AM65_CPSW_STATS(p0_, tx_mem_protect_err),
240	AM65_CPSW_STATS(p0_, tx_pri0),
241	AM65_CPSW_STATS(p0_, tx_pri1),
242	AM65_CPSW_STATS(p0_, tx_pri2),
243	AM65_CPSW_STATS(p0_, tx_pri3),
244	AM65_CPSW_STATS(p0_, tx_pri4),
245	AM65_CPSW_STATS(p0_, tx_pri5),
246	AM65_CPSW_STATS(p0_, tx_pri6),
247	AM65_CPSW_STATS(p0_, tx_pri7),
248	AM65_CPSW_STATS(p0_, tx_pri0_bcnt),
249	AM65_CPSW_STATS(p0_, tx_pri1_bcnt),
250	AM65_CPSW_STATS(p0_, tx_pri2_bcnt),
251	AM65_CPSW_STATS(p0_, tx_pri3_bcnt),
252	AM65_CPSW_STATS(p0_, tx_pri4_bcnt),
253	AM65_CPSW_STATS(p0_, tx_pri5_bcnt),
254	AM65_CPSW_STATS(p0_, tx_pri6_bcnt),
255	AM65_CPSW_STATS(p0_, tx_pri7_bcnt),
256	AM65_CPSW_STATS(p0_, tx_pri0_drop),
257	AM65_CPSW_STATS(p0_, tx_pri1_drop),
258	AM65_CPSW_STATS(p0_, tx_pri2_drop),
259	AM65_CPSW_STATS(p0_, tx_pri3_drop),
260	AM65_CPSW_STATS(p0_, tx_pri4_drop),
261	AM65_CPSW_STATS(p0_, tx_pri5_drop),
262	AM65_CPSW_STATS(p0_, tx_pri6_drop),
263	AM65_CPSW_STATS(p0_, tx_pri7_drop),
264	AM65_CPSW_STATS(p0_, tx_pri0_drop_bcnt),
265	AM65_CPSW_STATS(p0_, tx_pri1_drop_bcnt),
266	AM65_CPSW_STATS(p0_, tx_pri2_drop_bcnt),
267	AM65_CPSW_STATS(p0_, tx_pri3_drop_bcnt),
268	AM65_CPSW_STATS(p0_, tx_pri4_drop_bcnt),
269	AM65_CPSW_STATS(p0_, tx_pri5_drop_bcnt),
270	AM65_CPSW_STATS(p0_, tx_pri6_drop_bcnt),
271	AM65_CPSW_STATS(p0_, tx_pri7_drop_bcnt),
272};
273
274static const struct am65_cpsw_ethtool_stat am65_slave_stats[] = {
275	AM65_CPSW_STATS(, rx_good_frames),
276	AM65_CPSW_STATS(, rx_broadcast_frames),
277	AM65_CPSW_STATS(, rx_multicast_frames),
278	AM65_CPSW_STATS(, rx_pause_frames),
279	AM65_CPSW_STATS(, rx_crc_errors),
280	AM65_CPSW_STATS(, rx_align_code_errors),
281	AM65_CPSW_STATS(, rx_oversized_frames),
282	AM65_CPSW_STATS(, rx_jabber_frames),
283	AM65_CPSW_STATS(, rx_undersized_frames),
284	AM65_CPSW_STATS(, rx_fragments),
285	AM65_CPSW_STATS(, ale_drop),
286	AM65_CPSW_STATS(, ale_overrun_drop),
287	AM65_CPSW_STATS(, rx_octets),
288	AM65_CPSW_STATS(, tx_good_frames),
289	AM65_CPSW_STATS(, tx_broadcast_frames),
290	AM65_CPSW_STATS(, tx_multicast_frames),
291	AM65_CPSW_STATS(, tx_pause_frames),
292	AM65_CPSW_STATS(, tx_deferred_frames),
293	AM65_CPSW_STATS(, tx_collision_frames),
294	AM65_CPSW_STATS(, tx_single_coll_frames),
295	AM65_CPSW_STATS(, tx_mult_coll_frames),
296	AM65_CPSW_STATS(, tx_excessive_collisions),
297	AM65_CPSW_STATS(, tx_late_collisions),
298	AM65_CPSW_STATS(, rx_ipg_error),
299	AM65_CPSW_STATS(, tx_carrier_sense_errors),
300	AM65_CPSW_STATS(, tx_octets),
301	AM65_CPSW_STATS(, tx_64B_frames),
302	AM65_CPSW_STATS(, tx_65_to_127B_frames),
303	AM65_CPSW_STATS(, tx_128_to_255B_frames),
304	AM65_CPSW_STATS(, tx_256_to_511B_frames),
305	AM65_CPSW_STATS(, tx_512_to_1023B_frames),
306	AM65_CPSW_STATS(, tx_1024B_frames),
307	AM65_CPSW_STATS(, net_octets),
308	AM65_CPSW_STATS(, rx_bottom_fifo_drop),
309	AM65_CPSW_STATS(, rx_port_mask_drop),
310	AM65_CPSW_STATS(, rx_top_fifo_drop),
311	AM65_CPSW_STATS(, ale_rate_limit_drop),
312	AM65_CPSW_STATS(, ale_vid_ingress_drop),
313	AM65_CPSW_STATS(, ale_da_eq_sa_drop),
314	AM65_CPSW_STATS(, ale_block_drop),
315	AM65_CPSW_STATS(, ale_secure_drop),
316	AM65_CPSW_STATS(, ale_auth_drop),
317	AM65_CPSW_STATS(, ale_unknown_ucast),
318	AM65_CPSW_STATS(, ale_unknown_ucast_bytes),
319	AM65_CPSW_STATS(, ale_unknown_mcast),
320	AM65_CPSW_STATS(, ale_unknown_mcast_bytes),
321	AM65_CPSW_STATS(, ale_unknown_bcast),
322	AM65_CPSW_STATS(, ale_unknown_bcast_bytes),
323	AM65_CPSW_STATS(, ale_pol_match),
324	AM65_CPSW_STATS(, ale_pol_match_red),
325	AM65_CPSW_STATS(, ale_pol_match_yellow),
326	AM65_CPSW_STATS(, ale_mcast_sa_drop),
327	AM65_CPSW_STATS(, ale_dual_vlan_drop),
328	AM65_CPSW_STATS(, ale_len_err_drop),
329	AM65_CPSW_STATS(, ale_ip_next_hdr_drop),
330	AM65_CPSW_STATS(, ale_ipv4_frag_drop),
331	AM65_CPSW_STATS(, iet_rx_assembly_err),
332	AM65_CPSW_STATS(, iet_rx_assembly_ok),
333	AM65_CPSW_STATS(, iet_rx_smd_err),
334	AM65_CPSW_STATS(, iet_rx_frag),
335	AM65_CPSW_STATS(, iet_tx_hold),
336	AM65_CPSW_STATS(, iet_tx_frag),
337	AM65_CPSW_STATS(, tx_mem_protect_err),
338	AM65_CPSW_STATS(, tx_pri0),
339	AM65_CPSW_STATS(, tx_pri1),
340	AM65_CPSW_STATS(, tx_pri2),
341	AM65_CPSW_STATS(, tx_pri3),
342	AM65_CPSW_STATS(, tx_pri4),
343	AM65_CPSW_STATS(, tx_pri5),
344	AM65_CPSW_STATS(, tx_pri6),
345	AM65_CPSW_STATS(, tx_pri7),
346	AM65_CPSW_STATS(, tx_pri0_bcnt),
347	AM65_CPSW_STATS(, tx_pri1_bcnt),
348	AM65_CPSW_STATS(, tx_pri2_bcnt),
349	AM65_CPSW_STATS(, tx_pri3_bcnt),
350	AM65_CPSW_STATS(, tx_pri4_bcnt),
351	AM65_CPSW_STATS(, tx_pri5_bcnt),
352	AM65_CPSW_STATS(, tx_pri6_bcnt),
353	AM65_CPSW_STATS(, tx_pri7_bcnt),
354	AM65_CPSW_STATS(, tx_pri0_drop),
355	AM65_CPSW_STATS(, tx_pri1_drop),
356	AM65_CPSW_STATS(, tx_pri2_drop),
357	AM65_CPSW_STATS(, tx_pri3_drop),
358	AM65_CPSW_STATS(, tx_pri4_drop),
359	AM65_CPSW_STATS(, tx_pri5_drop),
360	AM65_CPSW_STATS(, tx_pri6_drop),
361	AM65_CPSW_STATS(, tx_pri7_drop),
362	AM65_CPSW_STATS(, tx_pri0_drop_bcnt),
363	AM65_CPSW_STATS(, tx_pri1_drop_bcnt),
364	AM65_CPSW_STATS(, tx_pri2_drop_bcnt),
365	AM65_CPSW_STATS(, tx_pri3_drop_bcnt),
366	AM65_CPSW_STATS(, tx_pri4_drop_bcnt),
367	AM65_CPSW_STATS(, tx_pri5_drop_bcnt),
368	AM65_CPSW_STATS(, tx_pri6_drop_bcnt),
369	AM65_CPSW_STATS(, tx_pri7_drop_bcnt),
370};
371
372/* Ethtool priv_flags */
373static const char am65_cpsw_ethtool_priv_flags[][ETH_GSTRING_LEN] = {
374#define	AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN	BIT(0)
375	"p0-rx-ptype-rrobin",
376};
377
378static int am65_cpsw_ethtool_op_begin(struct net_device *ndev)
379{
380	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
381	int ret;
382
383	ret = pm_runtime_get_sync(common->dev);
384	if (ret < 0) {
385		dev_err(common->dev, "ethtool begin failed %d\n", ret);
386		pm_runtime_put_noidle(common->dev);
387	}
388
389	return ret;
390}
391
392static void am65_cpsw_ethtool_op_complete(struct net_device *ndev)
393{
394	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
395	int ret;
396
397	ret = pm_runtime_put(common->dev);
398	if (ret < 0 && ret != -EBUSY)
399		dev_err(common->dev, "ethtool complete failed %d\n", ret);
400}
401
402static void am65_cpsw_get_drvinfo(struct net_device *ndev,
403				  struct ethtool_drvinfo *info)
404{
405	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
406
407	strlcpy(info->driver, dev_driver_string(common->dev),
408		sizeof(info->driver));
409	strlcpy(info->bus_info, dev_name(common->dev), sizeof(info->bus_info));
410}
411
412static u32 am65_cpsw_get_msglevel(struct net_device *ndev)
413{
414	struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev);
415
416	return priv->msg_enable;
417}
418
419static void am65_cpsw_set_msglevel(struct net_device *ndev, u32 value)
420{
421	struct am65_cpsw_ndev_priv *priv = am65_ndev_to_priv(ndev);
422
423	priv->msg_enable = value;
424}
425
426static void am65_cpsw_get_channels(struct net_device *ndev,
427				   struct ethtool_channels *ch)
428{
429	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
430
431	ch->max_rx = AM65_CPSW_MAX_RX_QUEUES;
432	ch->max_tx = AM65_CPSW_MAX_TX_QUEUES;
433	ch->rx_count = AM65_CPSW_MAX_RX_QUEUES;
434	ch->tx_count = common->tx_ch_num;
435}
436
437static int am65_cpsw_set_channels(struct net_device *ndev,
438				  struct ethtool_channels *chs)
439{
440	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
441
442	if (!chs->rx_count || !chs->tx_count)
443		return -EINVAL;
444
445	/* Check if interface is up. Can change the num queues when
446	 * the interface is down.
447	 */
448	if (common->usage_count)
449		return -EBUSY;
450
451	am65_cpsw_nuss_remove_tx_chns(common);
452
453	return am65_cpsw_nuss_update_tx_chns(common, chs->tx_count);
454}
455
456static void am65_cpsw_get_ringparam(struct net_device *ndev,
457				    struct ethtool_ringparam *ering)
458{
459	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
460
461	/* not supported */
462	ering->tx_pending = common->tx_chns[0].descs_num;
463	ering->rx_pending = common->rx_chns.descs_num;
464}
465
466static void am65_cpsw_get_pauseparam(struct net_device *ndev,
467				     struct ethtool_pauseparam *pause)
468{
469	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
470
471	pause->autoneg = AUTONEG_DISABLE;
472	pause->rx_pause = salve->rx_pause ? true : false;
473	pause->tx_pause = salve->tx_pause ? true : false;
474}
475
476static int am65_cpsw_set_pauseparam(struct net_device *ndev,
477				    struct ethtool_pauseparam *pause)
478{
479	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
480
481	if (!salve->phy)
482		return -EINVAL;
483
484	if (!phy_validate_pause(salve->phy, pause))
485		return -EINVAL;
486
487	salve->rx_pause = pause->rx_pause ? true : false;
488	salve->tx_pause = pause->tx_pause ? true : false;
489
490	phy_set_asym_pause(salve->phy, salve->rx_pause, salve->tx_pause);
491
492	return 0;
493}
494
495static void am65_cpsw_get_wol(struct net_device *ndev,
496			      struct ethtool_wolinfo *wol)
497{
498	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
499
500	wol->supported = 0;
501	wol->wolopts = 0;
502
503	if (salve->phy)
504		phy_ethtool_get_wol(salve->phy, wol);
505}
506
507static int am65_cpsw_set_wol(struct net_device *ndev,
508			     struct ethtool_wolinfo *wol)
509{
510	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
511
512	if (!salve->phy)
513		return -EOPNOTSUPP;
514
515	return phy_ethtool_set_wol(salve->phy, wol);
516}
517
518static int am65_cpsw_get_link_ksettings(struct net_device *ndev,
519					struct ethtool_link_ksettings *ecmd)
520{
521	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
522
523	if (!salve->phy)
524		return -EOPNOTSUPP;
525
526	phy_ethtool_ksettings_get(salve->phy, ecmd);
527	return 0;
528}
529
530static int
531am65_cpsw_set_link_ksettings(struct net_device *ndev,
532			     const struct ethtool_link_ksettings *ecmd)
533{
534	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
535
536	if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
537		return -EOPNOTSUPP;
538
539	return phy_ethtool_ksettings_set(salve->phy, ecmd);
540}
541
542static int am65_cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata)
543{
544	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
545
546	if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
547		return -EOPNOTSUPP;
548
549	return phy_ethtool_get_eee(salve->phy, edata);
550}
551
552static int am65_cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata)
553{
554	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
555
556	if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
557		return -EOPNOTSUPP;
558
559	return phy_ethtool_set_eee(salve->phy, edata);
560}
561
562static int am65_cpsw_nway_reset(struct net_device *ndev)
563{
564	struct am65_cpsw_slave_data *salve = am65_ndev_to_slave(ndev);
565
566	if (!salve->phy || phy_is_pseudo_fixed_link(salve->phy))
567		return -EOPNOTSUPP;
568
569	return phy_restart_aneg(salve->phy);
570}
571
572static int am65_cpsw_get_regs_len(struct net_device *ndev)
573{
574	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
575	u32 i, regdump_len = 0;
576
577	for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
578		if (am65_cpsw_regdump[i].hdr.module_id ==
579		    AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
580			regdump_len += sizeof(struct am65_cpsw_regdump_hdr);
581			regdump_len += common->ale->params.ale_entries *
582				       ALE_ENTRY_WORDS * sizeof(u32);
583			continue;
584		}
585		regdump_len += am65_cpsw_regdump[i].hdr.len;
586	}
587
588	return regdump_len;
589}
590
591static void am65_cpsw_get_regs(struct net_device *ndev,
592			       struct ethtool_regs *regs, void *p)
593{
594	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
595	u32 i, j, pos, *reg = p;
596
597	/* update CPSW IP version */
598	regs->version = AM65_CPSW_REGDUMP_VER;
599
600	pos = 0;
601	for (i = 0; i < ARRAY_SIZE(am65_cpsw_regdump); i++) {
602		reg[pos++] = am65_cpsw_regdump[i].hdr.module_id;
603
604		if (am65_cpsw_regdump[i].hdr.module_id ==
605		    AM65_CPSW_REGDUMP_MOD_CPSW_ALE_TBL) {
606			u32 ale_tbl_len = common->ale->params.ale_entries *
607					  ALE_ENTRY_WORDS * sizeof(u32) +
608					  sizeof(struct am65_cpsw_regdump_hdr);
609			reg[pos++] = ale_tbl_len;
610			cpsw_ale_dump(common->ale, &reg[pos]);
611			pos += ale_tbl_len;
612			continue;
613		}
614
615		reg[pos++] = am65_cpsw_regdump[i].hdr.len;
616
617		j = am65_cpsw_regdump[i].start_ofs;
618		do {
619			reg[pos++] = j;
620			reg[pos++] = readl_relaxed(common->ss_base + j);
621			j += sizeof(u32);
622		} while (j <= am65_cpsw_regdump[i].end_ofs);
623	}
624}
625
626static int am65_cpsw_get_sset_count(struct net_device *ndev, int sset)
627{
628	switch (sset) {
629	case ETH_SS_STATS:
630		return ARRAY_SIZE(am65_host_stats) +
631		       ARRAY_SIZE(am65_slave_stats);
632	case ETH_SS_PRIV_FLAGS:
633		return ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
634	default:
635		return -EOPNOTSUPP;
636	}
637}
638
639static void am65_cpsw_get_strings(struct net_device *ndev,
640				  u32 stringset, u8 *data)
641{
642	const struct am65_cpsw_ethtool_stat *hw_stats;
643	u32 i, num_stats;
644	u8 *p = data;
645
646	switch (stringset) {
647	case ETH_SS_STATS:
648		num_stats = ARRAY_SIZE(am65_host_stats);
649		hw_stats = am65_host_stats;
650		for (i = 0; i < num_stats; i++) {
651			memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
652			p += ETH_GSTRING_LEN;
653		}
654
655		num_stats = ARRAY_SIZE(am65_slave_stats);
656		hw_stats = am65_slave_stats;
657		for (i = 0; i < num_stats; i++) {
658			memcpy(p, hw_stats[i].desc, ETH_GSTRING_LEN);
659			p += ETH_GSTRING_LEN;
660		}
661		break;
662	case ETH_SS_PRIV_FLAGS:
663		num_stats = ARRAY_SIZE(am65_cpsw_ethtool_priv_flags);
664
665		for (i = 0; i < num_stats; i++) {
666			memcpy(p, am65_cpsw_ethtool_priv_flags[i],
667			       ETH_GSTRING_LEN);
668			p += ETH_GSTRING_LEN;
669		}
670		break;
671	}
672}
673
674static void am65_cpsw_get_ethtool_stats(struct net_device *ndev,
675					struct ethtool_stats *stats, u64 *data)
676{
677	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
678	const struct am65_cpsw_ethtool_stat *hw_stats;
679	struct am65_cpsw_host *host_p;
680	struct am65_cpsw_port *port;
681	u32 i, num_stats;
682
683	host_p = am65_common_get_host(common);
684	port = am65_ndev_to_port(ndev);
685	num_stats = ARRAY_SIZE(am65_host_stats);
686	hw_stats = am65_host_stats;
687	for (i = 0; i < num_stats; i++)
688		*data++ = readl_relaxed(host_p->stat_base +
689					hw_stats[i].offset);
690
691	num_stats = ARRAY_SIZE(am65_slave_stats);
692	hw_stats = am65_slave_stats;
693	for (i = 0; i < num_stats; i++)
694		*data++ = readl_relaxed(port->stat_base +
695					hw_stats[i].offset);
696}
697
698static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev,
699					 struct ethtool_ts_info *info)
700{
701	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
702
703	if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
704		return ethtool_op_get_ts_info(ndev, info);
705
706	info->so_timestamping =
707		SOF_TIMESTAMPING_TX_HARDWARE |
708		SOF_TIMESTAMPING_TX_SOFTWARE |
709		SOF_TIMESTAMPING_RX_HARDWARE |
710		SOF_TIMESTAMPING_RX_SOFTWARE |
711		SOF_TIMESTAMPING_SOFTWARE |
712		SOF_TIMESTAMPING_RAW_HARDWARE;
713	info->phc_index = am65_cpts_phc_index(common->cpts);
714	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
715	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
716	return 0;
717}
718
719static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev)
720{
721	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
722	u32 priv_flags = 0;
723
724	if (common->pf_p0_rx_ptype_rrobin)
725		priv_flags |= AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN;
726
727	return priv_flags;
728}
729
730static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags)
731{
732	struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
733	int rrobin;
734
735	rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
736
737	if (common->usage_count)
738		return -EBUSY;
739
740	if (common->est_enabled && rrobin) {
741		netdev_err(ndev,
742			   "p0-rx-ptype-rrobin flag conflicts with QOS\n");
743		return -EINVAL;
744	}
745
746	common->pf_p0_rx_ptype_rrobin = rrobin;
747
748	return 0;
749}
750
751const struct ethtool_ops am65_cpsw_ethtool_ops_slave = {
752	.begin			= am65_cpsw_ethtool_op_begin,
753	.complete		= am65_cpsw_ethtool_op_complete,
754	.get_drvinfo		= am65_cpsw_get_drvinfo,
755	.get_msglevel		= am65_cpsw_get_msglevel,
756	.set_msglevel		= am65_cpsw_set_msglevel,
757	.get_channels		= am65_cpsw_get_channels,
758	.set_channels		= am65_cpsw_set_channels,
759	.get_ringparam		= am65_cpsw_get_ringparam,
760	.get_regs_len		= am65_cpsw_get_regs_len,
761	.get_regs		= am65_cpsw_get_regs,
762	.get_sset_count		= am65_cpsw_get_sset_count,
763	.get_strings		= am65_cpsw_get_strings,
764	.get_ethtool_stats	= am65_cpsw_get_ethtool_stats,
765	.get_ts_info		= am65_cpsw_get_ethtool_ts_info,
766	.get_priv_flags		= am65_cpsw_get_ethtool_priv_flags,
767	.set_priv_flags		= am65_cpsw_set_ethtool_priv_flags,
768
769	.get_link		= ethtool_op_get_link,
770	.get_link_ksettings	= am65_cpsw_get_link_ksettings,
771	.set_link_ksettings	= am65_cpsw_set_link_ksettings,
772	.get_pauseparam		= am65_cpsw_get_pauseparam,
773	.set_pauseparam		= am65_cpsw_set_pauseparam,
774	.get_wol		= am65_cpsw_get_wol,
775	.set_wol		= am65_cpsw_set_wol,
776	.get_eee		= am65_cpsw_get_eee,
777	.set_eee		= am65_cpsw_set_eee,
778	.nway_reset		= am65_cpsw_nway_reset,
779};