xref: /linux/drivers/net/ethernet/microchip/lan966x/lan966x_ethtool.c (revision 170aafe35cb98e0f3fbacb446ea86389fbce22ea)
1 // SPDX-License-Identifier: GPL-2.0+
2 
3 #include <linux/netdevice.h>
4 
5 #include "lan966x_main.h"
6 
7 /* Number of traffic classes */
8 #define LAN966X_NUM_TC			8
9 #define LAN966X_STATS_CHECK_DELAY	(2 * HZ)
10 
11 static const struct lan966x_stat_layout lan966x_stats_layout[] = {
12 	{ .name = "rx_octets", .offset = 0x00, },
13 	{ .name = "rx_unicast", .offset = 0x01, },
14 	{ .name = "rx_multicast", .offset = 0x02 },
15 	{ .name = "rx_broadcast", .offset = 0x03 },
16 	{ .name = "rx_short", .offset = 0x04 },
17 	{ .name = "rx_frag", .offset = 0x05 },
18 	{ .name = "rx_jabber", .offset = 0x06 },
19 	{ .name = "rx_crc", .offset = 0x07 },
20 	{ .name = "rx_symbol_err", .offset = 0x08 },
21 	{ .name = "rx_sz_64", .offset = 0x09 },
22 	{ .name = "rx_sz_65_127", .offset = 0x0a},
23 	{ .name = "rx_sz_128_255", .offset = 0x0b},
24 	{ .name = "rx_sz_256_511", .offset = 0x0c },
25 	{ .name = "rx_sz_512_1023", .offset = 0x0d },
26 	{ .name = "rx_sz_1024_1526", .offset = 0x0e },
27 	{ .name = "rx_sz_jumbo", .offset = 0x0f },
28 	{ .name = "rx_pause", .offset = 0x10 },
29 	{ .name = "rx_control", .offset = 0x11 },
30 	{ .name = "rx_long", .offset = 0x12 },
31 	{ .name = "rx_cat_drop", .offset = 0x13 },
32 	{ .name = "rx_red_prio_0", .offset = 0x14 },
33 	{ .name = "rx_red_prio_1", .offset = 0x15 },
34 	{ .name = "rx_red_prio_2", .offset = 0x16 },
35 	{ .name = "rx_red_prio_3", .offset = 0x17 },
36 	{ .name = "rx_red_prio_4", .offset = 0x18 },
37 	{ .name = "rx_red_prio_5", .offset = 0x19 },
38 	{ .name = "rx_red_prio_6", .offset = 0x1a },
39 	{ .name = "rx_red_prio_7", .offset = 0x1b },
40 	{ .name = "rx_yellow_prio_0", .offset = 0x1c },
41 	{ .name = "rx_yellow_prio_1", .offset = 0x1d },
42 	{ .name = "rx_yellow_prio_2", .offset = 0x1e },
43 	{ .name = "rx_yellow_prio_3", .offset = 0x1f },
44 	{ .name = "rx_yellow_prio_4", .offset = 0x20 },
45 	{ .name = "rx_yellow_prio_5", .offset = 0x21 },
46 	{ .name = "rx_yellow_prio_6", .offset = 0x22 },
47 	{ .name = "rx_yellow_prio_7", .offset = 0x23 },
48 	{ .name = "rx_green_prio_0", .offset = 0x24 },
49 	{ .name = "rx_green_prio_1", .offset = 0x25 },
50 	{ .name = "rx_green_prio_2", .offset = 0x26 },
51 	{ .name = "rx_green_prio_3", .offset = 0x27 },
52 	{ .name = "rx_green_prio_4", .offset = 0x28 },
53 	{ .name = "rx_green_prio_5", .offset = 0x29 },
54 	{ .name = "rx_green_prio_6", .offset = 0x2a },
55 	{ .name = "rx_green_prio_7", .offset = 0x2b },
56 	{ .name = "rx_assembly_err", .offset = 0x2c },
57 	{ .name = "rx_smd_err", .offset = 0x2d },
58 	{ .name = "rx_assembly_ok", .offset = 0x2e },
59 	{ .name = "rx_merge_frag", .offset = 0x2f },
60 	{ .name = "rx_pmac_octets", .offset = 0x30, },
61 	{ .name = "rx_pmac_unicast", .offset = 0x31, },
62 	{ .name = "rx_pmac_multicast", .offset = 0x32 },
63 	{ .name = "rx_pmac_broadcast", .offset = 0x33 },
64 	{ .name = "rx_pmac_short", .offset = 0x34 },
65 	{ .name = "rx_pmac_frag", .offset = 0x35 },
66 	{ .name = "rx_pmac_jabber", .offset = 0x36 },
67 	{ .name = "rx_pmac_crc", .offset = 0x37 },
68 	{ .name = "rx_pmac_symbol_err", .offset = 0x38 },
69 	{ .name = "rx_pmac_sz_64", .offset = 0x39 },
70 	{ .name = "rx_pmac_sz_65_127", .offset = 0x3a },
71 	{ .name = "rx_pmac_sz_128_255", .offset = 0x3b },
72 	{ .name = "rx_pmac_sz_256_511", .offset = 0x3c },
73 	{ .name = "rx_pmac_sz_512_1023", .offset = 0x3d },
74 	{ .name = "rx_pmac_sz_1024_1526", .offset = 0x3e },
75 	{ .name = "rx_pmac_sz_jumbo", .offset = 0x3f },
76 	{ .name = "rx_pmac_pause", .offset = 0x40 },
77 	{ .name = "rx_pmac_control", .offset = 0x41 },
78 	{ .name = "rx_pmac_long", .offset = 0x42 },
79 
80 	{ .name = "tx_octets", .offset = 0x80, },
81 	{ .name = "tx_unicast", .offset = 0x81, },
82 	{ .name = "tx_multicast", .offset = 0x82 },
83 	{ .name = "tx_broadcast", .offset = 0x83 },
84 	{ .name = "tx_col", .offset = 0x84 },
85 	{ .name = "tx_drop", .offset = 0x85 },
86 	{ .name = "tx_pause", .offset = 0x86 },
87 	{ .name = "tx_sz_64", .offset = 0x87 },
88 	{ .name = "tx_sz_65_127", .offset = 0x88 },
89 	{ .name = "tx_sz_128_255", .offset = 0x89 },
90 	{ .name = "tx_sz_256_511", .offset = 0x8a },
91 	{ .name = "tx_sz_512_1023", .offset = 0x8b },
92 	{ .name = "tx_sz_1024_1526", .offset = 0x8c },
93 	{ .name = "tx_sz_jumbo", .offset = 0x8d },
94 	{ .name = "tx_yellow_prio_0", .offset = 0x8e },
95 	{ .name = "tx_yellow_prio_1", .offset = 0x8f },
96 	{ .name = "tx_yellow_prio_2", .offset = 0x90 },
97 	{ .name = "tx_yellow_prio_3", .offset = 0x91 },
98 	{ .name = "tx_yellow_prio_4", .offset = 0x92 },
99 	{ .name = "tx_yellow_prio_5", .offset = 0x93 },
100 	{ .name = "tx_yellow_prio_6", .offset = 0x94 },
101 	{ .name = "tx_yellow_prio_7", .offset = 0x95 },
102 	{ .name = "tx_green_prio_0", .offset = 0x96 },
103 	{ .name = "tx_green_prio_1", .offset = 0x97 },
104 	{ .name = "tx_green_prio_2", .offset = 0x98 },
105 	{ .name = "tx_green_prio_3", .offset = 0x99 },
106 	{ .name = "tx_green_prio_4", .offset = 0x9a },
107 	{ .name = "tx_green_prio_5", .offset = 0x9b },
108 	{ .name = "tx_green_prio_6", .offset = 0x9c },
109 	{ .name = "tx_green_prio_7", .offset = 0x9d },
110 	{ .name = "tx_aged", .offset = 0x9e },
111 	{ .name = "tx_llct", .offset = 0x9f },
112 	{ .name = "tx_ct", .offset = 0xa0 },
113 	{ .name = "tx_mm_hold", .offset = 0xa1 },
114 	{ .name = "tx_merge_frag", .offset = 0xa2 },
115 	{ .name = "tx_pmac_octets", .offset = 0xa3, },
116 	{ .name = "tx_pmac_unicast", .offset = 0xa4, },
117 	{ .name = "tx_pmac_multicast", .offset = 0xa5 },
118 	{ .name = "tx_pmac_broadcast", .offset = 0xa6 },
119 	{ .name = "tx_pmac_pause", .offset = 0xa7 },
120 	{ .name = "tx_pmac_sz_64", .offset = 0xa8 },
121 	{ .name = "tx_pmac_sz_65_127", .offset = 0xa9 },
122 	{ .name = "tx_pmac_sz_128_255", .offset = 0xaa },
123 	{ .name = "tx_pmac_sz_256_511", .offset = 0xab },
124 	{ .name = "tx_pmac_sz_512_1023", .offset = 0xac },
125 	{ .name = "tx_pmac_sz_1024_1526", .offset = 0xad },
126 	{ .name = "tx_pmac_sz_jumbo", .offset = 0xae },
127 
128 	{ .name = "dr_local", .offset = 0x100 },
129 	{ .name = "dr_tail", .offset = 0x101 },
130 	{ .name = "dr_yellow_prio_0", .offset = 0x102 },
131 	{ .name = "dr_yellow_prio_1", .offset = 0x103 },
132 	{ .name = "dr_yellow_prio_2", .offset = 0x104 },
133 	{ .name = "dr_yellow_prio_3", .offset = 0x105 },
134 	{ .name = "dr_yellow_prio_4", .offset = 0x106 },
135 	{ .name = "dr_yellow_prio_5", .offset = 0x107 },
136 	{ .name = "dr_yellow_prio_6", .offset = 0x108 },
137 	{ .name = "dr_yellow_prio_7", .offset = 0x109 },
138 	{ .name = "dr_green_prio_0", .offset = 0x10a },
139 	{ .name = "dr_green_prio_1", .offset = 0x10b },
140 	{ .name = "dr_green_prio_2", .offset = 0x10c },
141 	{ .name = "dr_green_prio_3", .offset = 0x10d },
142 	{ .name = "dr_green_prio_4", .offset = 0x10e },
143 	{ .name = "dr_green_prio_5", .offset = 0x10f },
144 	{ .name = "dr_green_prio_6", .offset = 0x110 },
145 	{ .name = "dr_green_prio_7", .offset = 0x111 },
146 };
147 
148 /* The following numbers are indexes into lan966x_stats_layout[] */
149 #define SYS_COUNT_RX_OCT		  0
150 #define SYS_COUNT_RX_UC			  1
151 #define SYS_COUNT_RX_MC			  2
152 #define SYS_COUNT_RX_BC			  3
153 #define SYS_COUNT_RX_SHORT		  4
154 #define SYS_COUNT_RX_FRAG		  5
155 #define SYS_COUNT_RX_JABBER		  6
156 #define SYS_COUNT_RX_CRC		  7
157 #define SYS_COUNT_RX_SYMBOL_ERR		  8
158 #define SYS_COUNT_RX_SZ_64		  9
159 #define SYS_COUNT_RX_SZ_65_127		 10
160 #define SYS_COUNT_RX_SZ_128_255		 11
161 #define SYS_COUNT_RX_SZ_256_511		 12
162 #define SYS_COUNT_RX_SZ_512_1023	 13
163 #define SYS_COUNT_RX_SZ_1024_1526	 14
164 #define SYS_COUNT_RX_SZ_JUMBO		 15
165 #define SYS_COUNT_RX_PAUSE		 16
166 #define SYS_COUNT_RX_CONTROL		 17
167 #define SYS_COUNT_RX_LONG		 18
168 #define SYS_COUNT_RX_CAT_DROP		 19
169 #define SYS_COUNT_RX_RED_PRIO_0		 20
170 #define SYS_COUNT_RX_RED_PRIO_1		 21
171 #define SYS_COUNT_RX_RED_PRIO_2		 22
172 #define SYS_COUNT_RX_RED_PRIO_3		 23
173 #define SYS_COUNT_RX_RED_PRIO_4		 24
174 #define SYS_COUNT_RX_RED_PRIO_5		 25
175 #define SYS_COUNT_RX_RED_PRIO_6		 26
176 #define SYS_COUNT_RX_RED_PRIO_7		 27
177 #define SYS_COUNT_RX_YELLOW_PRIO_0	 28
178 #define SYS_COUNT_RX_YELLOW_PRIO_1	 29
179 #define SYS_COUNT_RX_YELLOW_PRIO_2	 30
180 #define SYS_COUNT_RX_YELLOW_PRIO_3	 31
181 #define SYS_COUNT_RX_YELLOW_PRIO_4	 32
182 #define SYS_COUNT_RX_YELLOW_PRIO_5	 33
183 #define SYS_COUNT_RX_YELLOW_PRIO_6	 34
184 #define SYS_COUNT_RX_YELLOW_PRIO_7	 35
185 #define SYS_COUNT_RX_GREEN_PRIO_0	 36
186 #define SYS_COUNT_RX_GREEN_PRIO_1	 37
187 #define SYS_COUNT_RX_GREEN_PRIO_2	 38
188 #define SYS_COUNT_RX_GREEN_PRIO_3	 39
189 #define SYS_COUNT_RX_GREEN_PRIO_4	 40
190 #define SYS_COUNT_RX_GREEN_PRIO_5	 41
191 #define SYS_COUNT_RX_GREEN_PRIO_6	 42
192 #define SYS_COUNT_RX_GREEN_PRIO_7	 43
193 #define SYS_COUNT_RX_ASSEMBLY_ERR	 44
194 #define SYS_COUNT_RX_SMD_ERR		 45
195 #define SYS_COUNT_RX_ASSEMBLY_OK	 46
196 #define SYS_COUNT_RX_MERGE_FRAG		 47
197 #define SYS_COUNT_RX_PMAC_OCT		 48
198 #define SYS_COUNT_RX_PMAC_UC		 49
199 #define SYS_COUNT_RX_PMAC_MC		 50
200 #define SYS_COUNT_RX_PMAC_BC		 51
201 #define SYS_COUNT_RX_PMAC_SHORT		 52
202 #define SYS_COUNT_RX_PMAC_FRAG		 53
203 #define SYS_COUNT_RX_PMAC_JABBER	 54
204 #define SYS_COUNT_RX_PMAC_CRC		 55
205 #define SYS_COUNT_RX_PMAC_SYMBOL_ERR	 56
206 #define SYS_COUNT_RX_PMAC_SZ_64		 57
207 #define SYS_COUNT_RX_PMAC_SZ_65_127	 58
208 #define SYS_COUNT_RX_PMAC_SZ_128_255	 59
209 #define SYS_COUNT_RX_PMAC_SZ_256_511	 60
210 #define SYS_COUNT_RX_PMAC_SZ_512_1023	 61
211 #define SYS_COUNT_RX_PMAC_SZ_1024_1526	 62
212 #define SYS_COUNT_RX_PMAC_SZ_JUMBO	 63
213 #define SYS_COUNT_RX_PMAC_PAUSE		 64
214 #define SYS_COUNT_RX_PMAC_CONTROL	 65
215 #define SYS_COUNT_RX_PMAC_LONG		 66
216 
217 #define SYS_COUNT_TX_OCT		 67
218 #define SYS_COUNT_TX_UC			 68
219 #define SYS_COUNT_TX_MC			 69
220 #define SYS_COUNT_TX_BC			 70
221 #define SYS_COUNT_TX_COL		 71
222 #define SYS_COUNT_TX_DROP		 72
223 #define SYS_COUNT_TX_PAUSE		 73
224 #define SYS_COUNT_TX_SZ_64		 74
225 #define SYS_COUNT_TX_SZ_65_127		 75
226 #define SYS_COUNT_TX_SZ_128_255		 76
227 #define SYS_COUNT_TX_SZ_256_511		 77
228 #define SYS_COUNT_TX_SZ_512_1023	 78
229 #define SYS_COUNT_TX_SZ_1024_1526	 79
230 #define SYS_COUNT_TX_SZ_JUMBO		 80
231 #define SYS_COUNT_TX_YELLOW_PRIO_0	 81
232 #define SYS_COUNT_TX_YELLOW_PRIO_1	 82
233 #define SYS_COUNT_TX_YELLOW_PRIO_2	 83
234 #define SYS_COUNT_TX_YELLOW_PRIO_3	 84
235 #define SYS_COUNT_TX_YELLOW_PRIO_4	 85
236 #define SYS_COUNT_TX_YELLOW_PRIO_5	 86
237 #define SYS_COUNT_TX_YELLOW_PRIO_6	 87
238 #define SYS_COUNT_TX_YELLOW_PRIO_7	 88
239 #define SYS_COUNT_TX_GREEN_PRIO_0	 89
240 #define SYS_COUNT_TX_GREEN_PRIO_1	 90
241 #define SYS_COUNT_TX_GREEN_PRIO_2	 91
242 #define SYS_COUNT_TX_GREEN_PRIO_3	 92
243 #define SYS_COUNT_TX_GREEN_PRIO_4	 93
244 #define SYS_COUNT_TX_GREEN_PRIO_5	 94
245 #define SYS_COUNT_TX_GREEN_PRIO_6	 95
246 #define SYS_COUNT_TX_GREEN_PRIO_7	 96
247 #define SYS_COUNT_TX_AGED		 97
248 #define SYS_COUNT_TX_LLCT		 98
249 #define SYS_COUNT_TX_CT			 99
250 #define SYS_COUNT_TX_MM_HOLD		100
251 #define SYS_COUNT_TX_MERGE_FRAG		101
252 #define SYS_COUNT_TX_PMAC_OCT		102
253 #define SYS_COUNT_TX_PMAC_UC		103
254 #define SYS_COUNT_TX_PMAC_MC		104
255 #define SYS_COUNT_TX_PMAC_BC		105
256 #define SYS_COUNT_TX_PMAC_PAUSE		106
257 #define SYS_COUNT_TX_PMAC_SZ_64		107
258 #define SYS_COUNT_TX_PMAC_SZ_65_127	108
259 #define SYS_COUNT_TX_PMAC_SZ_128_255	109
260 #define SYS_COUNT_TX_PMAC_SZ_256_511	110
261 #define SYS_COUNT_TX_PMAC_SZ_512_1023	111
262 #define SYS_COUNT_TX_PMAC_SZ_1024_1526	112
263 #define SYS_COUNT_TX_PMAC_SZ_JUMBO	113
264 
265 #define SYS_COUNT_DR_LOCAL		114
266 #define SYS_COUNT_DR_TAIL		115
267 #define SYS_COUNT_DR_YELLOW_PRIO_0	116
268 #define SYS_COUNT_DR_YELLOW_PRIO_1	117
269 #define SYS_COUNT_DR_YELLOW_PRIO_2	118
270 #define SYS_COUNT_DR_YELLOW_PRIO_3	119
271 #define SYS_COUNT_DR_YELLOW_PRIO_4	120
272 #define SYS_COUNT_DR_YELLOW_PRIO_5	121
273 #define SYS_COUNT_DR_YELLOW_PRIO_6	122
274 #define SYS_COUNT_DR_YELLOW_PRIO_7	123
275 #define SYS_COUNT_DR_GREEN_PRIO_0	124
276 #define SYS_COUNT_DR_GREEN_PRIO_1	125
277 #define SYS_COUNT_DR_GREEN_PRIO_2	126
278 #define SYS_COUNT_DR_GREEN_PRIO_3	127
279 #define SYS_COUNT_DR_GREEN_PRIO_4	128
280 #define SYS_COUNT_DR_GREEN_PRIO_5	129
281 #define SYS_COUNT_DR_GREEN_PRIO_6	130
282 #define SYS_COUNT_DR_GREEN_PRIO_7	131
283 
284 /* Add a possibly wrapping 32 bit value to a 64 bit counter */
285 static void lan966x_add_cnt(u64 *cnt, u32 val)
286 {
287 	if (val < (*cnt & U32_MAX))
288 		*cnt += (u64)1 << 32; /* value has wrapped */
289 
290 	*cnt = (*cnt & ~(u64)U32_MAX) + val;
291 }
292 
293 static void lan966x_stats_update(struct lan966x *lan966x)
294 {
295 	int i, j;
296 
297 	mutex_lock(&lan966x->stats_lock);
298 
299 	for (i = 0; i < lan966x->num_phys_ports; i++) {
300 		uint idx = i * lan966x->num_stats;
301 
302 		lan_wr(SYS_STAT_CFG_STAT_VIEW_SET(i),
303 		       lan966x, SYS_STAT_CFG);
304 
305 		for (j = 0; j < lan966x->num_stats; j++) {
306 			u32 offset = lan966x->stats_layout[j].offset;
307 
308 			lan966x_add_cnt(&lan966x->stats[idx++],
309 					lan_rd(lan966x, SYS_CNT(offset)));
310 		}
311 	}
312 
313 	mutex_unlock(&lan966x->stats_lock);
314 }
315 
316 static int lan966x_get_sset_count(struct net_device *dev, int sset)
317 {
318 	struct lan966x_port *port = netdev_priv(dev);
319 	struct lan966x *lan966x = port->lan966x;
320 
321 	if (sset != ETH_SS_STATS)
322 		return -EOPNOTSUPP;
323 
324 	return lan966x->num_stats;
325 }
326 
327 static void lan966x_get_strings(struct net_device *netdev, u32 sset, u8 *data)
328 {
329 	struct lan966x_port *port = netdev_priv(netdev);
330 	struct lan966x *lan966x = port->lan966x;
331 	int i;
332 
333 	if (sset != ETH_SS_STATS)
334 		return;
335 
336 	for (i = 0; i < lan966x->num_stats; i++)
337 		memcpy(data + i * ETH_GSTRING_LEN,
338 		       lan966x->stats_layout[i].name, ETH_GSTRING_LEN);
339 }
340 
341 static void lan966x_get_ethtool_stats(struct net_device *dev,
342 				      struct ethtool_stats *stats, u64 *data)
343 {
344 	struct lan966x_port *port = netdev_priv(dev);
345 	struct lan966x *lan966x = port->lan966x;
346 	int i;
347 
348 	/* check and update now */
349 	lan966x_stats_update(lan966x);
350 
351 	/* Copy all counters */
352 	for (i = 0; i < lan966x->num_stats; i++)
353 		*data++ = lan966x->stats[port->chip_port *
354 					 lan966x->num_stats + i];
355 }
356 
357 static void lan966x_get_eth_mac_stats(struct net_device *dev,
358 				      struct ethtool_eth_mac_stats *mac_stats)
359 {
360 	struct lan966x_port *port = netdev_priv(dev);
361 	struct lan966x *lan966x = port->lan966x;
362 	u32 idx;
363 
364 	lan966x_stats_update(lan966x);
365 
366 	idx = port->chip_port * lan966x->num_stats;
367 
368 	mutex_lock(&lan966x->stats_lock);
369 
370 	mac_stats->FramesTransmittedOK =
371 		lan966x->stats[idx + SYS_COUNT_TX_UC] +
372 		lan966x->stats[idx + SYS_COUNT_TX_MC] +
373 		lan966x->stats[idx + SYS_COUNT_TX_BC] +
374 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_UC] +
375 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_MC] +
376 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_BC];
377 	mac_stats->SingleCollisionFrames =
378 		lan966x->stats[idx + SYS_COUNT_TX_COL];
379 	mac_stats->FramesReceivedOK =
380 		lan966x->stats[idx + SYS_COUNT_RX_UC] +
381 		lan966x->stats[idx + SYS_COUNT_RX_MC] +
382 		lan966x->stats[idx + SYS_COUNT_RX_BC];
383 	mac_stats->FrameCheckSequenceErrors =
384 		lan966x->stats[idx + SYS_COUNT_RX_CRC] +
385 		lan966x->stats[idx + SYS_COUNT_RX_CRC];
386 	mac_stats->OctetsTransmittedOK =
387 		lan966x->stats[idx + SYS_COUNT_TX_OCT] +
388 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_OCT];
389 	mac_stats->FramesWithDeferredXmissions =
390 		lan966x->stats[idx + SYS_COUNT_TX_MM_HOLD];
391 	mac_stats->OctetsReceivedOK =
392 		lan966x->stats[idx + SYS_COUNT_RX_OCT];
393 	mac_stats->MulticastFramesXmittedOK =
394 		lan966x->stats[idx + SYS_COUNT_TX_MC] +
395 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_MC];
396 	mac_stats->BroadcastFramesXmittedOK =
397 		lan966x->stats[idx + SYS_COUNT_TX_BC] +
398 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_BC];
399 	mac_stats->MulticastFramesReceivedOK =
400 		lan966x->stats[idx + SYS_COUNT_RX_MC];
401 	mac_stats->BroadcastFramesReceivedOK =
402 		lan966x->stats[idx + SYS_COUNT_RX_BC];
403 	mac_stats->InRangeLengthErrors =
404 		lan966x->stats[idx + SYS_COUNT_RX_FRAG] +
405 		lan966x->stats[idx + SYS_COUNT_RX_JABBER] +
406 		lan966x->stats[idx + SYS_COUNT_RX_CRC] +
407 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG] +
408 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER] +
409 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_CRC];
410 	mac_stats->OutOfRangeLengthField =
411 		lan966x->stats[idx + SYS_COUNT_RX_SHORT] +
412 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT] +
413 		lan966x->stats[idx + SYS_COUNT_RX_LONG] +
414 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG];
415 	mac_stats->FrameTooLongErrors =
416 		lan966x->stats[idx + SYS_COUNT_RX_LONG] +
417 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG];
418 
419 	mutex_unlock(&lan966x->stats_lock);
420 }
421 
422 static const struct ethtool_rmon_hist_range lan966x_rmon_ranges[] = {
423 	{    0,    64 },
424 	{   65,   127 },
425 	{  128,   255 },
426 	{  256,   511 },
427 	{  512,  1023 },
428 	{ 1024,  1518 },
429 	{ 1519, 10239 },
430 	{}
431 };
432 
433 static void lan966x_get_eth_rmon_stats(struct net_device *dev,
434 				       struct ethtool_rmon_stats *rmon_stats,
435 				       const struct ethtool_rmon_hist_range **ranges)
436 {
437 	struct lan966x_port *port = netdev_priv(dev);
438 	struct lan966x *lan966x = port->lan966x;
439 	u32 idx;
440 
441 	lan966x_stats_update(lan966x);
442 
443 	idx = port->chip_port * lan966x->num_stats;
444 
445 	mutex_lock(&lan966x->stats_lock);
446 
447 	rmon_stats->undersize_pkts =
448 		lan966x->stats[idx + SYS_COUNT_RX_SHORT] +
449 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT];
450 	rmon_stats->oversize_pkts =
451 		lan966x->stats[idx + SYS_COUNT_RX_LONG] +
452 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_LONG];
453 	rmon_stats->fragments =
454 		lan966x->stats[idx + SYS_COUNT_RX_FRAG] +
455 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG];
456 	rmon_stats->jabbers =
457 		lan966x->stats[idx + SYS_COUNT_RX_JABBER] +
458 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER];
459 	rmon_stats->hist[0] =
460 		lan966x->stats[idx + SYS_COUNT_RX_SZ_64] +
461 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_64];
462 	rmon_stats->hist[1] =
463 		lan966x->stats[idx + SYS_COUNT_RX_SZ_65_127] +
464 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_65_127];
465 	rmon_stats->hist[2] =
466 		lan966x->stats[idx + SYS_COUNT_RX_SZ_128_255] +
467 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_128_255];
468 	rmon_stats->hist[3] =
469 		lan966x->stats[idx + SYS_COUNT_RX_SZ_256_511] +
470 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_256_511];
471 	rmon_stats->hist[4] =
472 		lan966x->stats[idx + SYS_COUNT_RX_SZ_512_1023] +
473 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_512_1023];
474 	rmon_stats->hist[5] =
475 		lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] +
476 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526];
477 	rmon_stats->hist[6] =
478 		lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] +
479 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526];
480 
481 	rmon_stats->hist_tx[0] =
482 		lan966x->stats[idx + SYS_COUNT_TX_SZ_64] +
483 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_64];
484 	rmon_stats->hist_tx[1] =
485 		lan966x->stats[idx + SYS_COUNT_TX_SZ_65_127] +
486 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_65_127];
487 	rmon_stats->hist_tx[2] =
488 		lan966x->stats[idx + SYS_COUNT_TX_SZ_128_255] +
489 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_128_255];
490 	rmon_stats->hist_tx[3] =
491 		lan966x->stats[idx + SYS_COUNT_TX_SZ_256_511] +
492 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_256_511];
493 	rmon_stats->hist_tx[4] =
494 		lan966x->stats[idx + SYS_COUNT_TX_SZ_512_1023] +
495 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_512_1023];
496 	rmon_stats->hist_tx[5] =
497 		lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] +
498 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526];
499 	rmon_stats->hist_tx[6] =
500 		lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] +
501 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526];
502 
503 	mutex_unlock(&lan966x->stats_lock);
504 
505 	*ranges = lan966x_rmon_ranges;
506 }
507 
508 static int lan966x_get_link_ksettings(struct net_device *ndev,
509 				      struct ethtool_link_ksettings *cmd)
510 {
511 	struct lan966x_port *port = netdev_priv(ndev);
512 
513 	return phylink_ethtool_ksettings_get(port->phylink, cmd);
514 }
515 
516 static int lan966x_set_link_ksettings(struct net_device *ndev,
517 				      const struct ethtool_link_ksettings *cmd)
518 {
519 	struct lan966x_port *port = netdev_priv(ndev);
520 
521 	return phylink_ethtool_ksettings_set(port->phylink, cmd);
522 }
523 
524 static void lan966x_get_pauseparam(struct net_device *dev,
525 				   struct ethtool_pauseparam *pause)
526 {
527 	struct lan966x_port *port = netdev_priv(dev);
528 
529 	phylink_ethtool_get_pauseparam(port->phylink, pause);
530 }
531 
532 static int lan966x_set_pauseparam(struct net_device *dev,
533 				  struct ethtool_pauseparam *pause)
534 {
535 	struct lan966x_port *port = netdev_priv(dev);
536 
537 	return phylink_ethtool_set_pauseparam(port->phylink, pause);
538 }
539 
540 static int lan966x_get_ts_info(struct net_device *dev,
541 			       struct kernel_ethtool_ts_info *info)
542 {
543 	struct lan966x_port *port = netdev_priv(dev);
544 	struct lan966x *lan966x = port->lan966x;
545 	struct lan966x_phc *phc;
546 
547 	if (!lan966x->ptp)
548 		return ethtool_op_get_ts_info(dev, info);
549 
550 	phc = &lan966x->phc[LAN966X_PHC_PORT];
551 
552 	if (phc->clock) {
553 		info->phc_index = ptp_clock_index(phc->clock);
554 	} else {
555 		info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE;
556 		return 0;
557 	}
558 	info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
559 				 SOF_TIMESTAMPING_TX_HARDWARE |
560 				 SOF_TIMESTAMPING_RX_HARDWARE |
561 				 SOF_TIMESTAMPING_RAW_HARDWARE;
562 	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON) |
563 			 BIT(HWTSTAMP_TX_ONESTEP_SYNC);
564 	info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
565 			   BIT(HWTSTAMP_FILTER_ALL);
566 
567 	return 0;
568 }
569 
570 const struct ethtool_ops lan966x_ethtool_ops = {
571 	.get_link_ksettings     = lan966x_get_link_ksettings,
572 	.set_link_ksettings     = lan966x_set_link_ksettings,
573 	.get_pauseparam		= lan966x_get_pauseparam,
574 	.set_pauseparam		= lan966x_set_pauseparam,
575 	.get_sset_count		= lan966x_get_sset_count,
576 	.get_strings		= lan966x_get_strings,
577 	.get_ethtool_stats	= lan966x_get_ethtool_stats,
578 	.get_eth_mac_stats      = lan966x_get_eth_mac_stats,
579 	.get_rmon_stats		= lan966x_get_eth_rmon_stats,
580 	.get_link		= ethtool_op_get_link,
581 	.get_ts_info		= lan966x_get_ts_info,
582 };
583 
584 static void lan966x_check_stats_work(struct work_struct *work)
585 {
586 	struct delayed_work *del_work = to_delayed_work(work);
587 	struct lan966x *lan966x = container_of(del_work, struct lan966x,
588 					       stats_work);
589 
590 	lan966x_stats_update(lan966x);
591 
592 	queue_delayed_work(lan966x->stats_queue, &lan966x->stats_work,
593 			   LAN966X_STATS_CHECK_DELAY);
594 }
595 
596 void lan966x_stats_get(struct net_device *dev,
597 		       struct rtnl_link_stats64 *stats)
598 {
599 	struct lan966x_port *port = netdev_priv(dev);
600 	struct lan966x *lan966x = port->lan966x;
601 	u32 idx;
602 	int i;
603 
604 	idx = port->chip_port * lan966x->num_stats;
605 
606 	mutex_lock(&lan966x->stats_lock);
607 
608 	stats->rx_bytes = lan966x->stats[idx + SYS_COUNT_RX_OCT] +
609 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_OCT];
610 
611 	stats->rx_packets = lan966x->stats[idx + SYS_COUNT_RX_SHORT] +
612 		lan966x->stats[idx + SYS_COUNT_RX_FRAG] +
613 		lan966x->stats[idx + SYS_COUNT_RX_JABBER] +
614 		lan966x->stats[idx + SYS_COUNT_RX_CRC] +
615 		lan966x->stats[idx + SYS_COUNT_RX_SYMBOL_ERR] +
616 		lan966x->stats[idx + SYS_COUNT_RX_SZ_64] +
617 		lan966x->stats[idx + SYS_COUNT_RX_SZ_65_127] +
618 		lan966x->stats[idx + SYS_COUNT_RX_SZ_128_255] +
619 		lan966x->stats[idx + SYS_COUNT_RX_SZ_256_511] +
620 		lan966x->stats[idx + SYS_COUNT_RX_SZ_512_1023] +
621 		lan966x->stats[idx + SYS_COUNT_RX_SZ_1024_1526] +
622 		lan966x->stats[idx + SYS_COUNT_RX_SZ_JUMBO] +
623 		lan966x->stats[idx + SYS_COUNT_RX_LONG] +
624 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SHORT] +
625 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_FRAG] +
626 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_JABBER] +
627 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_64] +
628 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_65_127] +
629 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_128_255] +
630 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_256_511] +
631 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_512_1023] +
632 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_1024_1526] +
633 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_SZ_JUMBO];
634 
635 	stats->multicast = lan966x->stats[idx + SYS_COUNT_RX_MC] +
636 		lan966x->stats[idx + SYS_COUNT_RX_PMAC_MC];
637 
638 	stats->rx_errors = lan966x->stats[idx + SYS_COUNT_RX_SHORT] +
639 		lan966x->stats[idx + SYS_COUNT_RX_FRAG] +
640 		lan966x->stats[idx + SYS_COUNT_RX_JABBER] +
641 		lan966x->stats[idx + SYS_COUNT_RX_CRC] +
642 		lan966x->stats[idx + SYS_COUNT_RX_SYMBOL_ERR] +
643 		lan966x->stats[idx + SYS_COUNT_RX_LONG];
644 
645 	stats->rx_dropped = dev->stats.rx_dropped +
646 		lan966x->stats[idx + SYS_COUNT_RX_LONG] +
647 		lan966x->stats[idx + SYS_COUNT_DR_LOCAL] +
648 		lan966x->stats[idx + SYS_COUNT_DR_TAIL] +
649 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_0] +
650 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_1] +
651 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_2] +
652 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_3] +
653 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_4] +
654 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_5] +
655 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_6] +
656 		lan966x->stats[idx + SYS_COUNT_RX_RED_PRIO_7];
657 
658 	for (i = 0; i < LAN966X_NUM_TC; i++) {
659 		stats->rx_dropped +=
660 			(lan966x->stats[idx + SYS_COUNT_DR_YELLOW_PRIO_0 + i] +
661 			 lan966x->stats[idx + SYS_COUNT_DR_GREEN_PRIO_0 + i]);
662 	}
663 
664 	/* Get Tx stats */
665 	stats->tx_bytes = lan966x->stats[idx + SYS_COUNT_TX_OCT] +
666 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_OCT];
667 
668 	stats->tx_packets = lan966x->stats[idx + SYS_COUNT_TX_SZ_64] +
669 		lan966x->stats[idx + SYS_COUNT_TX_SZ_65_127] +
670 		lan966x->stats[idx + SYS_COUNT_TX_SZ_128_255] +
671 		lan966x->stats[idx + SYS_COUNT_TX_SZ_256_511] +
672 		lan966x->stats[idx + SYS_COUNT_TX_SZ_512_1023] +
673 		lan966x->stats[idx + SYS_COUNT_TX_SZ_1024_1526] +
674 		lan966x->stats[idx + SYS_COUNT_TX_SZ_JUMBO] +
675 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_64] +
676 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_65_127] +
677 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_128_255] +
678 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_256_511] +
679 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_512_1023] +
680 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_1024_1526] +
681 		lan966x->stats[idx + SYS_COUNT_TX_PMAC_SZ_JUMBO];
682 
683 	stats->tx_dropped = lan966x->stats[idx + SYS_COUNT_TX_DROP] +
684 		lan966x->stats[idx + SYS_COUNT_TX_AGED];
685 
686 	stats->collisions = lan966x->stats[idx + SYS_COUNT_TX_COL];
687 
688 	mutex_unlock(&lan966x->stats_lock);
689 }
690 
691 int lan966x_stats_init(struct lan966x *lan966x)
692 {
693 	char queue_name[32];
694 
695 	lan966x->stats_layout = lan966x_stats_layout;
696 	lan966x->num_stats = ARRAY_SIZE(lan966x_stats_layout);
697 	lan966x->stats = devm_kcalloc(lan966x->dev, lan966x->num_phys_ports *
698 				      lan966x->num_stats,
699 				      sizeof(u64), GFP_KERNEL);
700 	if (!lan966x->stats)
701 		return -ENOMEM;
702 
703 	/* Init stats worker */
704 	mutex_init(&lan966x->stats_lock);
705 	snprintf(queue_name, sizeof(queue_name), "%s-stats",
706 		 dev_name(lan966x->dev));
707 	lan966x->stats_queue = create_singlethread_workqueue(queue_name);
708 	if (!lan966x->stats_queue)
709 		return -ENOMEM;
710 
711 	INIT_DELAYED_WORK(&lan966x->stats_work, lan966x_check_stats_work);
712 	queue_delayed_work(lan966x->stats_queue, &lan966x->stats_work,
713 			   LAN966X_STATS_CHECK_DELAY);
714 
715 	return 0;
716 }
717