1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *
4  *   Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org>
5  *   Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org>
6  *   Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com>
7  */
8 
9 #ifndef MTK_ETH_H
10 #define MTK_ETH_H
11 
12 #include <linux/dma-mapping.h>
13 #include <linux/netdevice.h>
14 #include <linux/of_net.h>
15 #include <linux/u64_stats_sync.h>
16 #include <linux/refcount.h>
17 #include <linux/phylink.h>
18 #include <linux/rhashtable.h>
19 #include <linux/dim.h>
20 #include <linux/bitfield.h>
21 #include <net/page_pool/types.h>
22 #include <linux/bpf_trace.h>
23 #include "mtk_ppe.h"
24 
25 #define MTK_MAX_DSA_PORTS	7
26 #define MTK_DSA_PORT_MASK	GENMASK(2, 0)
27 
28 #define MTK_QDMA_NUM_QUEUES	16
29 #define MTK_QDMA_PAGE_SIZE	2048
30 #define MTK_MAX_RX_LENGTH	1536
31 #define MTK_MAX_RX_LENGTH_2K	2048
32 #define MTK_TX_DMA_BUF_LEN	0x3fff
33 #define MTK_TX_DMA_BUF_LEN_V2	0xffff
34 #define MTK_QDMA_RING_SIZE	2048
35 #define MTK_DMA_SIZE		512
36 #define MTK_RX_ETH_HLEN		(ETH_HLEN + ETH_FCS_LEN)
37 #define MTK_RX_HLEN		(NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
38 #define MTK_DMA_DUMMY_DESC	0xffffffff
39 #define MTK_DEFAULT_MSG_ENABLE	(NETIF_MSG_DRV | \
40 				 NETIF_MSG_PROBE | \
41 				 NETIF_MSG_LINK | \
42 				 NETIF_MSG_TIMER | \
43 				 NETIF_MSG_IFDOWN | \
44 				 NETIF_MSG_IFUP | \
45 				 NETIF_MSG_RX_ERR | \
46 				 NETIF_MSG_TX_ERR)
47 #define MTK_HW_FEATURES		(NETIF_F_IP_CSUM | \
48 				 NETIF_F_RXCSUM | \
49 				 NETIF_F_HW_VLAN_CTAG_TX | \
50 				 NETIF_F_SG | NETIF_F_TSO | \
51 				 NETIF_F_TSO6 | \
52 				 NETIF_F_IPV6_CSUM |\
53 				 NETIF_F_HW_TC)
54 #define MTK_HW_FEATURES_MT7628	(NETIF_F_SG | NETIF_F_RXCSUM)
55 #define NEXT_DESP_IDX(X, Y)	(((X) + 1) & ((Y) - 1))
56 
57 #define MTK_PP_HEADROOM		XDP_PACKET_HEADROOM
58 #define MTK_PP_PAD		(MTK_PP_HEADROOM + \
59 				 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
60 #define MTK_PP_MAX_BUF_SIZE	(PAGE_SIZE - MTK_PP_PAD)
61 
62 #define MTK_QRX_OFFSET		0x10
63 
64 #define MTK_MAX_RX_RING_NUM	4
65 #define MTK_HW_LRO_DMA_SIZE	8
66 
67 #define	MTK_MAX_LRO_RX_LENGTH		(4096 * 3)
68 #define	MTK_MAX_LRO_IP_CNT		2
69 #define	MTK_HW_LRO_TIMER_UNIT		1	/* 20 us */
70 #define	MTK_HW_LRO_REFRESH_TIME		50000	/* 1 sec. */
71 #define	MTK_HW_LRO_AGG_TIME		10	/* 200us */
72 #define	MTK_HW_LRO_AGE_TIME		50	/* 1ms */
73 #define	MTK_HW_LRO_MAX_AGG_CNT		64
74 #define	MTK_HW_LRO_BW_THRE		3000
75 #define	MTK_HW_LRO_REPLACE_DELTA	1000
76 #define	MTK_HW_LRO_SDL_REMAIN_ROOM	1522
77 
78 /* Frame Engine Global Configuration */
79 #define MTK_FE_GLO_CFG(x)	(((x) == MTK_GMAC3_ID) ? 0x24 : 0x00)
80 #define MTK_FE_LINK_DOWN_P(x)	BIT(((x) + 8) % 16)
81 
82 /* Frame Engine Global Reset Register */
83 #define MTK_RST_GL		0x04
84 #define RST_GL_PSE		BIT(0)
85 
86 /* Frame Engine Interrupt Status Register */
87 #define MTK_INT_STATUS2		0x08
88 #define MTK_FE_INT_ENABLE	0x0c
89 #define MTK_FE_INT_FQ_EMPTY	BIT(8)
90 #define MTK_FE_INT_TSO_FAIL	BIT(12)
91 #define MTK_FE_INT_TSO_ILLEGAL	BIT(13)
92 #define MTK_FE_INT_TSO_ALIGN	BIT(14)
93 #define MTK_FE_INT_RFIFO_OV	BIT(18)
94 #define MTK_FE_INT_RFIFO_UF	BIT(19)
95 #define MTK_GDM1_AF		BIT(28)
96 #define MTK_GDM2_AF		BIT(29)
97 
98 /* PDMA HW LRO Alter Flow Timer Register */
99 #define MTK_PDMA_LRO_ALT_REFRESH_TIMER	0x1c
100 
101 /* Frame Engine Interrupt Grouping Register */
102 #define MTK_FE_INT_GRP		0x20
103 
104 /* CDMP Ingress Control Register */
105 #define MTK_CDMQ_IG_CTRL	0x1400
106 #define MTK_CDMQ_STAG_EN	BIT(0)
107 
108 /* CDMQ Exgress Control Register */
109 #define MTK_CDMQ_EG_CTRL	0x1404
110 
111 /* CDMP Ingress Control Register */
112 #define MTK_CDMP_IG_CTRL	0x400
113 #define MTK_CDMP_STAG_EN	BIT(0)
114 
115 /* CDMP Exgress Control Register */
116 #define MTK_CDMP_EG_CTRL	0x404
117 
118 /* GDM Exgress Control Register */
119 #define MTK_GDMA_FWD_CFG(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
120 				   0x540 : 0x500 + (_x * 0x1000); })
121 #define MTK_GDMA_SPECIAL_TAG	BIT(24)
122 #define MTK_GDMA_ICS_EN		BIT(22)
123 #define MTK_GDMA_TCS_EN		BIT(21)
124 #define MTK_GDMA_UCS_EN		BIT(20)
125 #define MTK_GDMA_STRP_CRC	BIT(16)
126 #define MTK_GDMA_TO_PDMA	0x0
127 #define MTK_GDMA_DROP_ALL       0x7777
128 
129 /* GDM Egress Control Register */
130 #define MTK_GDMA_EG_CTRL(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
131 				   0x544 : 0x504 + (_x * 0x1000); })
132 #define MTK_GDMA_XGDM_SEL	BIT(31)
133 
134 /* Unicast Filter MAC Address Register - Low */
135 #define MTK_GDMA_MAC_ADRL(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
136 				   0x548 : 0x508 + (_x * 0x1000); })
137 
138 /* Unicast Filter MAC Address Register - High */
139 #define MTK_GDMA_MAC_ADRH(x)	({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ?	\
140 				   0x54C : 0x50C + (_x * 0x1000); })
141 
142 /* Internal SRAM offset */
143 #define MTK_ETH_SRAM_OFFSET	0x40000
144 
145 /* FE global misc reg*/
146 #define MTK_FE_GLO_MISC         0x124
147 
148 /* PSE Free Queue Flow Control  */
149 #define PSE_FQFC_CFG1		0x100
150 #define PSE_FQFC_CFG2		0x104
151 #define PSE_DROP_CFG		0x108
152 #define PSE_PPE0_DROP		0x110
153 
154 /* PSE Input Queue Reservation Register*/
155 #define PSE_IQ_REV(x)		(0x140 + (((x) - 1) << 2))
156 
157 /* PSE Output Queue Threshold Register*/
158 #define PSE_OQ_TH(x)		(0x160 + (((x) - 1) << 2))
159 
160 /* GDM and CDM Threshold */
161 #define MTK_GDM2_THRES		0x1530
162 #define MTK_CDMW0_THRES		0x164c
163 #define MTK_CDMW1_THRES		0x1650
164 #define MTK_CDME0_THRES		0x1654
165 #define MTK_CDME1_THRES		0x1658
166 #define MTK_CDMM_THRES		0x165c
167 
168 /* PDMA HW LRO Control Registers */
169 #define MTK_PDMA_LRO_CTRL_DW0	0x980
170 #define MTK_LRO_EN			BIT(0)
171 #define MTK_L3_CKS_UPD_EN		BIT(7)
172 #define MTK_L3_CKS_UPD_EN_V2		BIT(19)
173 #define MTK_LRO_ALT_PKT_CNT_MODE	BIT(21)
174 #define MTK_LRO_RING_RELINQUISH_REQ	(0x7 << 26)
175 #define MTK_LRO_RING_RELINQUISH_REQ_V2	(0xf << 24)
176 #define MTK_LRO_RING_RELINQUISH_DONE	(0x7 << 29)
177 #define MTK_LRO_RING_RELINQUISH_DONE_V2	(0xf << 28)
178 
179 #define MTK_PDMA_LRO_CTRL_DW1	0x984
180 #define MTK_PDMA_LRO_CTRL_DW2	0x988
181 #define MTK_PDMA_LRO_CTRL_DW3	0x98c
182 #define MTK_ADMA_MODE		BIT(15)
183 #define MTK_LRO_MIN_RXD_SDL	(MTK_HW_LRO_SDL_REMAIN_ROOM << 16)
184 
185 #define MTK_RX_DMA_LRO_EN	BIT(8)
186 #define MTK_MULTI_EN		BIT(10)
187 #define MTK_PDMA_SIZE_8DWORDS	(1 << 4)
188 
189 /* PDMA Global Configuration Register */
190 #define MTK_PDMA_LRO_SDL	0x3000
191 #define MTK_RX_CFG_SDL_OFFSET	16
192 
193 /* PDMA Reset Index Register */
194 #define MTK_PST_DRX_IDX0	BIT(16)
195 #define MTK_PST_DRX_IDX_CFG(x)	(MTK_PST_DRX_IDX0 << (x))
196 
197 /* PDMA Delay Interrupt Register */
198 #define MTK_PDMA_DELAY_RX_MASK		GENMASK(15, 0)
199 #define MTK_PDMA_DELAY_RX_EN		BIT(15)
200 #define MTK_PDMA_DELAY_RX_PINT_SHIFT	8
201 #define MTK_PDMA_DELAY_RX_PTIME_SHIFT	0
202 
203 #define MTK_PDMA_DELAY_TX_MASK		GENMASK(31, 16)
204 #define MTK_PDMA_DELAY_TX_EN		BIT(31)
205 #define MTK_PDMA_DELAY_TX_PINT_SHIFT	24
206 #define MTK_PDMA_DELAY_TX_PTIME_SHIFT	16
207 
208 #define MTK_PDMA_DELAY_PINT_MASK	0x7f
209 #define MTK_PDMA_DELAY_PTIME_MASK	0xff
210 
211 /* PDMA HW LRO Alter Flow Delta Register */
212 #define MTK_PDMA_LRO_ALT_SCORE_DELTA	0xa4c
213 
214 /* PDMA HW LRO IP Setting Registers */
215 #define MTK_LRO_RX_RING0_DIP_DW0	0xb04
216 #define MTK_LRO_DIP_DW0_CFG(x)		(MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40))
217 #define MTK_RING_MYIP_VLD		BIT(9)
218 
219 /* PDMA HW LRO Ring Control Registers */
220 #define MTK_LRO_RX_RING0_CTRL_DW1	0xb28
221 #define MTK_LRO_RX_RING0_CTRL_DW2	0xb2c
222 #define MTK_LRO_RX_RING0_CTRL_DW3	0xb30
223 #define MTK_LRO_CTRL_DW1_CFG(x)		(MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40))
224 #define MTK_LRO_CTRL_DW2_CFG(x)		(MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40))
225 #define MTK_LRO_CTRL_DW3_CFG(x)		(MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40))
226 #define MTK_RING_AGE_TIME_L		((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22)
227 #define MTK_RING_AGE_TIME_H		((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f)
228 #define MTK_RING_AUTO_LERAN_MODE	(3 << 6)
229 #define MTK_RING_VLD			BIT(8)
230 #define MTK_RING_MAX_AGG_TIME		((MTK_HW_LRO_AGG_TIME & 0xffff) << 10)
231 #define MTK_RING_MAX_AGG_CNT_L		((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26)
232 #define MTK_RING_MAX_AGG_CNT_H		((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3)
233 
234 /* QDMA TX Queue Configuration Registers */
235 #define MTK_QTX_OFFSET		0x10
236 #define QDMA_RES_THRES		4
237 
238 /* QDMA Tx Queue Scheduler Configuration Registers */
239 #define MTK_QTX_SCH_TX_SEL		BIT(31)
240 #define MTK_QTX_SCH_TX_SEL_V2		GENMASK(31, 30)
241 
242 #define MTK_QTX_SCH_LEAKY_BUCKET_EN	BIT(30)
243 #define MTK_QTX_SCH_LEAKY_BUCKET_SIZE	GENMASK(29, 28)
244 #define MTK_QTX_SCH_MIN_RATE_EN		BIT(27)
245 #define MTK_QTX_SCH_MIN_RATE_MAN	GENMASK(26, 20)
246 #define MTK_QTX_SCH_MIN_RATE_EXP	GENMASK(19, 16)
247 #define MTK_QTX_SCH_MAX_RATE_WEIGHT	GENMASK(15, 12)
248 #define MTK_QTX_SCH_MAX_RATE_EN		BIT(11)
249 #define MTK_QTX_SCH_MAX_RATE_MAN	GENMASK(10, 4)
250 #define MTK_QTX_SCH_MAX_RATE_EXP	GENMASK(3, 0)
251 
252 /* QDMA TX Scheduler Rate Control Register */
253 #define MTK_QDMA_TX_SCH_MAX_WFQ		BIT(15)
254 
255 /* QDMA Global Configuration Register */
256 #define MTK_RX_2B_OFFSET	BIT(31)
257 #define MTK_RX_BT_32DWORDS	(3 << 11)
258 #define MTK_NDP_CO_PRO		BIT(10)
259 #define MTK_TX_WB_DDONE		BIT(6)
260 #define MTK_TX_BT_32DWORDS	(3 << 4)
261 #define MTK_RX_DMA_BUSY		BIT(3)
262 #define MTK_TX_DMA_BUSY		BIT(1)
263 #define MTK_RX_DMA_EN		BIT(2)
264 #define MTK_TX_DMA_EN		BIT(0)
265 #define MTK_DMA_BUSY_TIMEOUT_US	1000000
266 
267 /* QDMA V2 Global Configuration Register */
268 #define MTK_CHK_DDONE_EN	BIT(28)
269 #define MTK_DMAD_WR_WDONE	BIT(26)
270 #define MTK_WCOMP_EN		BIT(24)
271 #define MTK_RESV_BUF		(0x40 << 16)
272 #define MTK_MUTLI_CNT		(0x4 << 12)
273 #define MTK_LEAKY_BUCKET_EN	BIT(11)
274 
275 /* QDMA Flow Control Register */
276 #define FC_THRES_DROP_MODE	BIT(20)
277 #define FC_THRES_DROP_EN	(7 << 16)
278 #define FC_THRES_MIN		0x4444
279 
280 /* QDMA Interrupt Status Register */
281 #define MTK_RX_DONE_DLY		BIT(30)
282 #define MTK_TX_DONE_DLY		BIT(28)
283 #define MTK_RX_DONE_INT3	BIT(19)
284 #define MTK_RX_DONE_INT2	BIT(18)
285 #define MTK_RX_DONE_INT1	BIT(17)
286 #define MTK_RX_DONE_INT0	BIT(16)
287 #define MTK_TX_DONE_INT3	BIT(3)
288 #define MTK_TX_DONE_INT2	BIT(2)
289 #define MTK_TX_DONE_INT1	BIT(1)
290 #define MTK_TX_DONE_INT0	BIT(0)
291 #define MTK_RX_DONE_INT		MTK_RX_DONE_DLY
292 #define MTK_TX_DONE_INT		MTK_TX_DONE_DLY
293 
294 #define MTK_RX_DONE_INT_V2	BIT(14)
295 
296 #define MTK_CDM_TXFIFO_RDY	BIT(7)
297 
298 /* QDMA Interrupt grouping registers */
299 #define MTK_RLS_DONE_INT	BIT(0)
300 
301 /* QDMA TX NUM */
302 #define QID_BITS_V2(x)		(((x) & 0x3f) << 16)
303 #define MTK_QDMA_GMAC2_QID	8
304 
305 #define MTK_TX_DMA_BUF_SHIFT	8
306 
307 /* QDMA V2 descriptor txd6 */
308 #define TX_DMA_INS_VLAN_V2	BIT(16)
309 /* QDMA V2 descriptor txd5 */
310 #define TX_DMA_CHKSUM_V2	(0x7 << 28)
311 #define TX_DMA_TSO_V2		BIT(31)
312 
313 #define TX_DMA_SPTAG_V3         BIT(27)
314 
315 /* QDMA V2 descriptor txd4 */
316 #define TX_DMA_FPORT_SHIFT_V2	8
317 #define TX_DMA_FPORT_MASK_V2	0xf
318 #define TX_DMA_SWC_V2		BIT(30)
319 
320 /* QDMA descriptor txd4 */
321 #define TX_DMA_CHKSUM		(0x7 << 29)
322 #define TX_DMA_TSO		BIT(28)
323 #define TX_DMA_FPORT_SHIFT	25
324 #define TX_DMA_FPORT_MASK	0x7
325 #define TX_DMA_INS_VLAN		BIT(16)
326 
327 /* QDMA descriptor txd3 */
328 #define TX_DMA_OWNER_CPU	BIT(31)
329 #define TX_DMA_LS0		BIT(30)
330 #define TX_DMA_PLEN0(x)		(((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
331 #define TX_DMA_PLEN1(x)		((x) & eth->soc->txrx.dma_max_len)
332 #define TX_DMA_SWC		BIT(14)
333 #define TX_DMA_PQID		GENMASK(3, 0)
334 #define TX_DMA_ADDR64_MASK	GENMASK(3, 0)
335 #if IS_ENABLED(CONFIG_64BIT)
336 # define TX_DMA_GET_ADDR64(x)	(((u64)FIELD_GET(TX_DMA_ADDR64_MASK, (x))) << 32)
337 # define TX_DMA_PREP_ADDR64(x)	FIELD_PREP(TX_DMA_ADDR64_MASK, ((x) >> 32))
338 #else
339 # define TX_DMA_GET_ADDR64(x)	(0)
340 # define TX_DMA_PREP_ADDR64(x)	(0)
341 #endif
342 
343 /* PDMA on MT7628 */
344 #define TX_DMA_DONE		BIT(31)
345 #define TX_DMA_LS1		BIT(14)
346 #define TX_DMA_DESP2_DEF	(TX_DMA_LS0 | TX_DMA_DONE)
347 
348 /* QDMA descriptor rxd2 */
349 #define RX_DMA_DONE		BIT(31)
350 #define RX_DMA_LSO		BIT(30)
351 #define RX_DMA_PREP_PLEN0(x)	(((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
352 #define RX_DMA_GET_PLEN0(x)	(((x) >> eth->soc->txrx.dma_len_offset) & eth->soc->txrx.dma_max_len)
353 #define RX_DMA_VTAG		BIT(15)
354 #define RX_DMA_ADDR64_MASK	GENMASK(3, 0)
355 #if IS_ENABLED(CONFIG_64BIT)
356 # define RX_DMA_GET_ADDR64(x)	(((u64)FIELD_GET(RX_DMA_ADDR64_MASK, (x))) << 32)
357 # define RX_DMA_PREP_ADDR64(x)	FIELD_PREP(RX_DMA_ADDR64_MASK, ((x) >> 32))
358 #else
359 # define RX_DMA_GET_ADDR64(x)	(0)
360 # define RX_DMA_PREP_ADDR64(x)	(0)
361 #endif
362 
363 /* QDMA descriptor rxd3 */
364 #define RX_DMA_VID(x)		((x) & VLAN_VID_MASK)
365 #define RX_DMA_TCI(x)		((x) & (VLAN_PRIO_MASK | VLAN_VID_MASK))
366 #define RX_DMA_VPID(x)		(((x) >> 16) & 0xffff)
367 
368 /* QDMA descriptor rxd4 */
369 #define MTK_RXD4_FOE_ENTRY	GENMASK(13, 0)
370 #define MTK_RXD4_PPE_CPU_REASON	GENMASK(18, 14)
371 #define MTK_RXD4_SRC_PORT	GENMASK(21, 19)
372 #define MTK_RXD4_ALG		GENMASK(31, 22)
373 
374 /* QDMA descriptor rxd4 */
375 #define RX_DMA_L4_VALID		BIT(24)
376 #define RX_DMA_L4_VALID_PDMA	BIT(30)		/* when PDMA is used */
377 #define RX_DMA_SPECIAL_TAG	BIT(22)
378 
379 /* PDMA descriptor rxd5 */
380 #define MTK_RXD5_FOE_ENTRY	GENMASK(14, 0)
381 #define MTK_RXD5_PPE_CPU_REASON	GENMASK(22, 18)
382 #define MTK_RXD5_SRC_PORT	GENMASK(29, 26)
383 
384 #define RX_DMA_GET_SPORT(x)	(((x) >> 19) & 0x7)
385 #define RX_DMA_GET_SPORT_V2(x)	(((x) >> 26) & 0xf)
386 
387 /* PDMA V2 descriptor rxd3 */
388 #define RX_DMA_VTAG_V2		BIT(0)
389 #define RX_DMA_L4_VALID_V2	BIT(2)
390 
391 /* PHY Polling and SMI Master Control registers */
392 #define MTK_PPSC		0x10000
393 #define PPSC_MDC_CFG		GENMASK(29, 24)
394 #define PPSC_MDC_TURBO		BIT(20)
395 #define MDC_MAX_FREQ		25000000
396 #define MDC_MAX_DIVIDER		63
397 
398 /* PHY Indirect Access Control registers */
399 #define MTK_PHY_IAC		0x10004
400 #define PHY_IAC_ACCESS		BIT(31)
401 #define PHY_IAC_REG_MASK	GENMASK(29, 25)
402 #define PHY_IAC_REG(x)		FIELD_PREP(PHY_IAC_REG_MASK, (x))
403 #define PHY_IAC_ADDR_MASK	GENMASK(24, 20)
404 #define PHY_IAC_ADDR(x)		FIELD_PREP(PHY_IAC_ADDR_MASK, (x))
405 #define PHY_IAC_CMD_MASK	GENMASK(19, 18)
406 #define PHY_IAC_CMD_C45_ADDR	FIELD_PREP(PHY_IAC_CMD_MASK, 0)
407 #define PHY_IAC_CMD_WRITE	FIELD_PREP(PHY_IAC_CMD_MASK, 1)
408 #define PHY_IAC_CMD_C22_READ	FIELD_PREP(PHY_IAC_CMD_MASK, 2)
409 #define PHY_IAC_CMD_C45_READ	FIELD_PREP(PHY_IAC_CMD_MASK, 3)
410 #define PHY_IAC_START_MASK	GENMASK(17, 16)
411 #define PHY_IAC_START_C45	FIELD_PREP(PHY_IAC_START_MASK, 0)
412 #define PHY_IAC_START_C22	FIELD_PREP(PHY_IAC_START_MASK, 1)
413 #define PHY_IAC_DATA_MASK	GENMASK(15, 0)
414 #define PHY_IAC_DATA(x)		FIELD_PREP(PHY_IAC_DATA_MASK, (x))
415 #define PHY_IAC_TIMEOUT		HZ
416 
417 #define MTK_MAC_MISC		0x1000c
418 #define MTK_MAC_MISC_V3		0x10010
419 #define MTK_MUX_TO_ESW		BIT(0)
420 #define MISC_MDC_TURBO		BIT(4)
421 
422 /* XMAC status registers */
423 #define MTK_XGMAC_STS(x)	(((x) == MTK_GMAC3_ID) ? 0x1001C : 0x1000C)
424 #define MTK_XGMAC_FORCE_LINK(x)	(((x) == MTK_GMAC2_ID) ? BIT(31) : BIT(15))
425 #define MTK_USXGMII_PCS_LINK	BIT(8)
426 #define MTK_XGMAC_RX_FC		BIT(5)
427 #define MTK_XGMAC_TX_FC		BIT(4)
428 #define MTK_USXGMII_PCS_MODE	GENMASK(3, 1)
429 #define MTK_XGMAC_LINK_STS	BIT(0)
430 
431 /* GSW bridge registers */
432 #define MTK_GSW_CFG		(0x10080)
433 #define GSWTX_IPG_MASK		GENMASK(19, 16)
434 #define GSWTX_IPG_SHIFT		16
435 #define GSWRX_IPG_MASK		GENMASK(3, 0)
436 #define GSWRX_IPG_SHIFT		0
437 #define GSW_IPG_11		11
438 
439 /* Mac control registers */
440 #define MTK_MAC_MCR(x)		(0x10100 + (x * 0x100))
441 #define MAC_MCR_MAX_RX_MASK	GENMASK(25, 24)
442 #define MAC_MCR_MAX_RX(_x)	(MAC_MCR_MAX_RX_MASK & ((_x) << 24))
443 #define MAC_MCR_MAX_RX_1518	0x0
444 #define MAC_MCR_MAX_RX_1536	0x1
445 #define MAC_MCR_MAX_RX_1552	0x2
446 #define MAC_MCR_MAX_RX_2048	0x3
447 #define MAC_MCR_IPG_CFG		(BIT(18) | BIT(16))
448 #define MAC_MCR_FORCE_MODE	BIT(15)
449 #define MAC_MCR_TX_EN		BIT(14)
450 #define MAC_MCR_RX_EN		BIT(13)
451 #define MAC_MCR_RX_FIFO_CLR_DIS	BIT(12)
452 #define MAC_MCR_BACKOFF_EN	BIT(9)
453 #define MAC_MCR_BACKPR_EN	BIT(8)
454 #define MAC_MCR_FORCE_RX_FC	BIT(5)
455 #define MAC_MCR_FORCE_TX_FC	BIT(4)
456 #define MAC_MCR_SPEED_1000	BIT(3)
457 #define MAC_MCR_SPEED_100	BIT(2)
458 #define MAC_MCR_FORCE_DPX	BIT(1)
459 #define MAC_MCR_FORCE_LINK	BIT(0)
460 #define MAC_MCR_FORCE_LINK_DOWN	(MAC_MCR_FORCE_MODE)
461 
462 /* Mac status registers */
463 #define MTK_MAC_MSR(x)		(0x10108 + (x * 0x100))
464 #define MAC_MSR_EEE1G		BIT(7)
465 #define MAC_MSR_EEE100M		BIT(6)
466 #define MAC_MSR_RX_FC		BIT(5)
467 #define MAC_MSR_TX_FC		BIT(4)
468 #define MAC_MSR_SPEED_1000	BIT(3)
469 #define MAC_MSR_SPEED_100	BIT(2)
470 #define MAC_MSR_SPEED_MASK	(MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)
471 #define MAC_MSR_DPX		BIT(1)
472 #define MAC_MSR_LINK		BIT(0)
473 
474 /* TRGMII RXC control register */
475 #define TRGMII_RCK_CTRL		0x10300
476 #define DQSI0(x)		((x << 0) & GENMASK(6, 0))
477 #define DQSI1(x)		((x << 8) & GENMASK(14, 8))
478 #define RXCTL_DMWTLAT(x)	((x << 16) & GENMASK(18, 16))
479 #define RXC_RST			BIT(31)
480 #define RXC_DQSISEL		BIT(30)
481 #define RCK_CTRL_RGMII_1000	(RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16))
482 #define RCK_CTRL_RGMII_10_100	RXCTL_DMWTLAT(2)
483 
484 #define NUM_TRGMII_CTRL		5
485 
486 /* TRGMII RXC control register */
487 #define TRGMII_TCK_CTRL		0x10340
488 #define TXCTL_DMWTLAT(x)	((x << 16) & GENMASK(18, 16))
489 #define TXC_INV			BIT(30)
490 #define TCK_CTRL_RGMII_1000	TXCTL_DMWTLAT(2)
491 #define TCK_CTRL_RGMII_10_100	(TXC_INV | TXCTL_DMWTLAT(2))
492 
493 /* TRGMII TX Drive Strength */
494 #define TRGMII_TD_ODT(i)	(0x10354 + 8 * (i))
495 #define  TD_DM_DRVP(x)		((x) & 0xf)
496 #define  TD_DM_DRVN(x)		(((x) & 0xf) << 4)
497 
498 /* TRGMII Interface mode register */
499 #define INTF_MODE		0x10390
500 #define TRGMII_INTF_DIS		BIT(0)
501 #define TRGMII_MODE		BIT(1)
502 #define TRGMII_CENTRAL_ALIGNED	BIT(2)
503 #define INTF_MODE_RGMII_1000    (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED)
504 #define INTF_MODE_RGMII_10_100  0
505 
506 /* GPIO port control registers for GMAC 2*/
507 #define GPIO_OD33_CTRL8		0x4c0
508 #define GPIO_BIAS_CTRL		0xed0
509 #define GPIO_DRV_SEL10		0xf00
510 
511 /* ethernet subsystem chip id register */
512 #define ETHSYS_CHIPID0_3	0x0
513 #define ETHSYS_CHIPID4_7	0x4
514 #define MT7623_ETH		7623
515 #define MT7622_ETH		7622
516 #define MT7621_ETH		7621
517 
518 /* ethernet system control register */
519 #define ETHSYS_SYSCFG		0x10
520 #define SYSCFG_DRAM_TYPE_DDR2	BIT(4)
521 
522 /* ethernet subsystem config register */
523 #define ETHSYS_SYSCFG0		0x14
524 #define SYSCFG0_GE_MASK		0x3
525 #define SYSCFG0_GE_MODE(x, y)	(x << (12 + (y * 2)))
526 #define SYSCFG0_SGMII_MASK     GENMASK(9, 7)
527 #define SYSCFG0_SGMII_GMAC1    ((2 << 8) & SYSCFG0_SGMII_MASK)
528 #define SYSCFG0_SGMII_GMAC2    ((3 << 8) & SYSCFG0_SGMII_MASK)
529 #define SYSCFG0_SGMII_GMAC1_V2 BIT(9)
530 #define SYSCFG0_SGMII_GMAC2_V2 BIT(8)
531 
532 
533 /* ethernet subsystem clock register */
534 #define ETHSYS_CLKCFG0		0x2c
535 #define ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
536 #define ETHSYS_TRGMII_MT7621_MASK	(BIT(5) | BIT(6))
537 #define ETHSYS_TRGMII_MT7621_APLL	BIT(6)
538 #define ETHSYS_TRGMII_MT7621_DDR_PLL	BIT(5)
539 
540 /* ethernet reset control register */
541 #define ETHSYS_RSTCTRL			0x34
542 #define RSTCTRL_FE			BIT(6)
543 #define RSTCTRL_WDMA0			BIT(24)
544 #define RSTCTRL_WDMA1			BIT(25)
545 #define RSTCTRL_WDMA2			BIT(26)
546 #define RSTCTRL_PPE0			BIT(31)
547 #define RSTCTRL_PPE0_V2			BIT(30)
548 #define RSTCTRL_PPE1			BIT(31)
549 #define RSTCTRL_PPE0_V3			BIT(29)
550 #define RSTCTRL_PPE1_V3			BIT(30)
551 #define RSTCTRL_PPE2			BIT(31)
552 #define RSTCTRL_ETH			BIT(23)
553 
554 /* ethernet reset check idle register */
555 #define ETHSYS_FE_RST_CHK_IDLE_EN	0x28
556 
557 /* ethernet dma channel agent map */
558 #define ETHSYS_DMA_AG_MAP	0x408
559 #define ETHSYS_DMA_AG_MAP_PDMA	BIT(0)
560 #define ETHSYS_DMA_AG_MAP_QDMA	BIT(1)
561 #define ETHSYS_DMA_AG_MAP_PPE	BIT(2)
562 
563 /* Infrasys subsystem config registers */
564 #define INFRA_MISC2            0x70c
565 #define CO_QPHY_SEL            BIT(0)
566 #define GEPHY_MAC_SEL          BIT(1)
567 
568 /* Top misc registers */
569 #define USB_PHY_SWITCH_REG	0x218
570 #define QPHY_SEL_MASK		GENMASK(1, 0)
571 #define SGMII_QPHY_SEL		0x2
572 
573 /* MT7628/88 specific stuff */
574 #define MT7628_PDMA_OFFSET	0x0800
575 #define MT7628_SDM_OFFSET	0x0c00
576 
577 #define MT7628_TX_BASE_PTR0	(MT7628_PDMA_OFFSET + 0x00)
578 #define MT7628_TX_MAX_CNT0	(MT7628_PDMA_OFFSET + 0x04)
579 #define MT7628_TX_CTX_IDX0	(MT7628_PDMA_OFFSET + 0x08)
580 #define MT7628_TX_DTX_IDX0	(MT7628_PDMA_OFFSET + 0x0c)
581 #define MT7628_PST_DTX_IDX0	BIT(0)
582 
583 #define MT7628_SDM_MAC_ADRL	(MT7628_SDM_OFFSET + 0x0c)
584 #define MT7628_SDM_MAC_ADRH	(MT7628_SDM_OFFSET + 0x10)
585 
586 /* Counter / stat register */
587 #define MT7628_SDM_TPCNT	(MT7628_SDM_OFFSET + 0x100)
588 #define MT7628_SDM_TBCNT	(MT7628_SDM_OFFSET + 0x104)
589 #define MT7628_SDM_RPCNT	(MT7628_SDM_OFFSET + 0x108)
590 #define MT7628_SDM_RBCNT	(MT7628_SDM_OFFSET + 0x10c)
591 #define MT7628_SDM_CS_ERR	(MT7628_SDM_OFFSET + 0x110)
592 
593 #define MTK_FE_CDM1_FSM		0x220
594 #define MTK_FE_CDM2_FSM		0x224
595 #define MTK_FE_CDM3_FSM		0x238
596 #define MTK_FE_CDM4_FSM		0x298
597 #define MTK_FE_CDM5_FSM		0x318
598 #define MTK_FE_CDM6_FSM		0x328
599 #define MTK_FE_GDM1_FSM		0x228
600 #define MTK_FE_GDM2_FSM		0x22C
601 
602 #define MTK_MAC_FSM(x)		(0x1010C + ((x) * 0x100))
603 
604 struct mtk_rx_dma {
605 	unsigned int rxd1;
606 	unsigned int rxd2;
607 	unsigned int rxd3;
608 	unsigned int rxd4;
609 } __packed __aligned(4);
610 
611 struct mtk_rx_dma_v2 {
612 	unsigned int rxd1;
613 	unsigned int rxd2;
614 	unsigned int rxd3;
615 	unsigned int rxd4;
616 	unsigned int rxd5;
617 	unsigned int rxd6;
618 	unsigned int rxd7;
619 	unsigned int rxd8;
620 } __packed __aligned(4);
621 
622 struct mtk_tx_dma {
623 	unsigned int txd1;
624 	unsigned int txd2;
625 	unsigned int txd3;
626 	unsigned int txd4;
627 } __packed __aligned(4);
628 
629 struct mtk_tx_dma_v2 {
630 	unsigned int txd1;
631 	unsigned int txd2;
632 	unsigned int txd3;
633 	unsigned int txd4;
634 	unsigned int txd5;
635 	unsigned int txd6;
636 	unsigned int txd7;
637 	unsigned int txd8;
638 } __packed __aligned(4);
639 
640 struct mtk_eth;
641 struct mtk_mac;
642 
643 struct mtk_xdp_stats {
644 	u64 rx_xdp_redirect;
645 	u64 rx_xdp_pass;
646 	u64 rx_xdp_drop;
647 	u64 rx_xdp_tx;
648 	u64 rx_xdp_tx_errors;
649 	u64 tx_xdp_xmit;
650 	u64 tx_xdp_xmit_errors;
651 };
652 
653 /* struct mtk_hw_stats - the structure that holds the traffic statistics.
654  * @stats_lock:		make sure that stats operations are atomic
655  * @reg_offset:		the status register offset of the SoC
656  * @syncp:		the refcount
657  *
658  * All of the supported SoCs have hardware counters for traffic statistics.
659  * Whenever the status IRQ triggers we can read the latest stats from these
660  * counters and store them in this struct.
661  */
662 struct mtk_hw_stats {
663 	u64 tx_bytes;
664 	u64 tx_packets;
665 	u64 tx_skip;
666 	u64 tx_collisions;
667 	u64 rx_bytes;
668 	u64 rx_packets;
669 	u64 rx_overflow;
670 	u64 rx_fcs_errors;
671 	u64 rx_short_errors;
672 	u64 rx_long_errors;
673 	u64 rx_checksum_errors;
674 	u64 rx_flow_control_packets;
675 
676 	struct mtk_xdp_stats	xdp_stats;
677 
678 	spinlock_t		stats_lock;
679 	u32			reg_offset;
680 	struct u64_stats_sync	syncp;
681 };
682 
683 enum mtk_tx_flags {
684 	/* PDMA descriptor can point at 1-2 segments. This enum allows us to
685 	 * track how memory was allocated so that it can be freed properly.
686 	 */
687 	MTK_TX_FLAGS_SINGLE0	= 0x01,
688 	MTK_TX_FLAGS_PAGE0	= 0x02,
689 };
690 
691 /* This enum allows us to identify how the clock is defined on the array of the
692  * clock in the order
693  */
694 enum mtk_clks_map {
695 	MTK_CLK_ETHIF,
696 	MTK_CLK_SGMIITOP,
697 	MTK_CLK_ESW,
698 	MTK_CLK_GP0,
699 	MTK_CLK_GP1,
700 	MTK_CLK_GP2,
701 	MTK_CLK_GP3,
702 	MTK_CLK_XGP1,
703 	MTK_CLK_XGP2,
704 	MTK_CLK_XGP3,
705 	MTK_CLK_CRYPTO,
706 	MTK_CLK_FE,
707 	MTK_CLK_TRGPLL,
708 	MTK_CLK_SGMII_TX_250M,
709 	MTK_CLK_SGMII_RX_250M,
710 	MTK_CLK_SGMII_CDR_REF,
711 	MTK_CLK_SGMII_CDR_FB,
712 	MTK_CLK_SGMII2_TX_250M,
713 	MTK_CLK_SGMII2_RX_250M,
714 	MTK_CLK_SGMII2_CDR_REF,
715 	MTK_CLK_SGMII2_CDR_FB,
716 	MTK_CLK_SGMII_CK,
717 	MTK_CLK_ETH2PLL,
718 	MTK_CLK_WOCPU0,
719 	MTK_CLK_WOCPU1,
720 	MTK_CLK_NETSYS0,
721 	MTK_CLK_NETSYS1,
722 	MTK_CLK_ETHWARP_WOCPU2,
723 	MTK_CLK_ETHWARP_WOCPU1,
724 	MTK_CLK_ETHWARP_WOCPU0,
725 	MTK_CLK_TOP_USXGMII_SBUS_0_SEL,
726 	MTK_CLK_TOP_USXGMII_SBUS_1_SEL,
727 	MTK_CLK_TOP_SGM_0_SEL,
728 	MTK_CLK_TOP_SGM_1_SEL,
729 	MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL,
730 	MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL,
731 	MTK_CLK_TOP_ETH_GMII_SEL,
732 	MTK_CLK_TOP_ETH_REFCK_50M_SEL,
733 	MTK_CLK_TOP_ETH_SYS_200M_SEL,
734 	MTK_CLK_TOP_ETH_SYS_SEL,
735 	MTK_CLK_TOP_ETH_XGMII_SEL,
736 	MTK_CLK_TOP_ETH_MII_SEL,
737 	MTK_CLK_TOP_NETSYS_SEL,
738 	MTK_CLK_TOP_NETSYS_500M_SEL,
739 	MTK_CLK_TOP_NETSYS_PAO_2X_SEL,
740 	MTK_CLK_TOP_NETSYS_SYNC_250M_SEL,
741 	MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL,
742 	MTK_CLK_TOP_NETSYS_WARP_SEL,
743 	MTK_CLK_MAX
744 };
745 
746 #define MT7623_CLKS_BITMAP	(BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) |  \
747 				 BIT_ULL(MTK_CLK_GP1) | BIT_ULL(MTK_CLK_GP2) | \
748 				 BIT_ULL(MTK_CLK_TRGPLL))
749 #define MT7622_CLKS_BITMAP	(BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) |  \
750 				 BIT_ULL(MTK_CLK_GP0) | BIT_ULL(MTK_CLK_GP1) | \
751 				 BIT_ULL(MTK_CLK_GP2) | \
752 				 BIT_ULL(MTK_CLK_SGMII_TX_250M) | \
753 				 BIT_ULL(MTK_CLK_SGMII_RX_250M) | \
754 				 BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \
755 				 BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \
756 				 BIT_ULL(MTK_CLK_SGMII_CK) | \
757 				 BIT_ULL(MTK_CLK_ETH2PLL))
758 #define MT7621_CLKS_BITMAP	(0)
759 #define MT7628_CLKS_BITMAP	(0)
760 #define MT7629_CLKS_BITMAP	(BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) |  \
761 				 BIT_ULL(MTK_CLK_GP0) | BIT_ULL(MTK_CLK_GP1) | \
762 				 BIT_ULL(MTK_CLK_GP2) | BIT_ULL(MTK_CLK_FE) | \
763 				 BIT_ULL(MTK_CLK_SGMII_TX_250M) | \
764 				 BIT_ULL(MTK_CLK_SGMII_RX_250M) | \
765 				 BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \
766 				 BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \
767 				 BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \
768 				 BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \
769 				 BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \
770 				 BIT_ULL(MTK_CLK_SGMII2_CDR_FB) | \
771 				 BIT_ULL(MTK_CLK_SGMII_CK) | \
772 				 BIT_ULL(MTK_CLK_ETH2PLL) | BIT_ULL(MTK_CLK_SGMIITOP))
773 #define MT7981_CLKS_BITMAP	(BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_GP2) | \
774 				 BIT_ULL(MTK_CLK_GP1) | \
775 				 BIT_ULL(MTK_CLK_WOCPU0) | \
776 				 BIT_ULL(MTK_CLK_SGMII_TX_250M) | \
777 				 BIT_ULL(MTK_CLK_SGMII_RX_250M) | \
778 				 BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \
779 				 BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \
780 				 BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \
781 				 BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \
782 				 BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \
783 				 BIT_ULL(MTK_CLK_SGMII2_CDR_FB) | \
784 				 BIT_ULL(MTK_CLK_SGMII_CK))
785 #define MT7986_CLKS_BITMAP	(BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_GP2) | \
786 				 BIT_ULL(MTK_CLK_GP1) | \
787 				 BIT_ULL(MTK_CLK_WOCPU1) | BIT_ULL(MTK_CLK_WOCPU0) | \
788 				 BIT_ULL(MTK_CLK_SGMII_TX_250M) | \
789 				 BIT_ULL(MTK_CLK_SGMII_RX_250M) | \
790 				 BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \
791 				 BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \
792 				 BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \
793 				 BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \
794 				 BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \
795 				 BIT_ULL(MTK_CLK_SGMII2_CDR_FB))
796 #define MT7988_CLKS_BITMAP	(BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_ESW) | \
797 				 BIT_ULL(MTK_CLK_GP1) | BIT_ULL(MTK_CLK_GP2) | \
798 				 BIT_ULL(MTK_CLK_GP3) | BIT_ULL(MTK_CLK_XGP1) | \
799 				 BIT_ULL(MTK_CLK_XGP2) | BIT_ULL(MTK_CLK_XGP3) | \
800 				 BIT_ULL(MTK_CLK_CRYPTO) | \
801 				 BIT_ULL(MTK_CLK_SGMII_TX_250M) | \
802 				 BIT_ULL(MTK_CLK_SGMII_RX_250M) | \
803 				 BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \
804 				 BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \
805 				 BIT_ULL(MTK_CLK_ETHWARP_WOCPU2) | \
806 				 BIT_ULL(MTK_CLK_ETHWARP_WOCPU1) | \
807 				 BIT_ULL(MTK_CLK_ETHWARP_WOCPU0) | \
808 				 BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_0_SEL) | \
809 				 BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_1_SEL) | \
810 				 BIT_ULL(MTK_CLK_TOP_SGM_0_SEL) | \
811 				 BIT_ULL(MTK_CLK_TOP_SGM_1_SEL) | \
812 				 BIT_ULL(MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL) | \
813 				 BIT_ULL(MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL) | \
814 				 BIT_ULL(MTK_CLK_TOP_ETH_GMII_SEL) | \
815 				 BIT_ULL(MTK_CLK_TOP_ETH_REFCK_50M_SEL) | \
816 				 BIT_ULL(MTK_CLK_TOP_ETH_SYS_200M_SEL) | \
817 				 BIT_ULL(MTK_CLK_TOP_ETH_SYS_SEL) | \
818 				 BIT_ULL(MTK_CLK_TOP_ETH_XGMII_SEL) | \
819 				 BIT_ULL(MTK_CLK_TOP_ETH_MII_SEL) | \
820 				 BIT_ULL(MTK_CLK_TOP_NETSYS_SEL) | \
821 				 BIT_ULL(MTK_CLK_TOP_NETSYS_500M_SEL) | \
822 				 BIT_ULL(MTK_CLK_TOP_NETSYS_PAO_2X_SEL) | \
823 				 BIT_ULL(MTK_CLK_TOP_NETSYS_SYNC_250M_SEL) | \
824 				 BIT_ULL(MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL) | \
825 				 BIT_ULL(MTK_CLK_TOP_NETSYS_WARP_SEL))
826 
827 enum mtk_dev_state {
828 	MTK_HW_INIT,
829 	MTK_RESETTING
830 };
831 
832 /* PSE Port Definition */
833 enum mtk_pse_port {
834 	PSE_ADMA_PORT = 0,
835 	PSE_GDM1_PORT,
836 	PSE_GDM2_PORT,
837 	PSE_PPE0_PORT,
838 	PSE_PPE1_PORT,
839 	PSE_QDMA_TX_PORT,
840 	PSE_QDMA_RX_PORT,
841 	PSE_DROP_PORT,
842 	PSE_WDMA0_PORT,
843 	PSE_WDMA1_PORT,
844 	PSE_TDMA_PORT,
845 	PSE_NONE_PORT,
846 	PSE_PPE2_PORT,
847 	PSE_WDMA2_PORT,
848 	PSE_EIP197_PORT,
849 	PSE_GDM3_PORT,
850 	PSE_PORT_MAX
851 };
852 
853 /* GMAC Identifier */
854 enum mtk_gmac_id {
855 	MTK_GMAC1_ID = 0,
856 	MTK_GMAC2_ID,
857 	MTK_GMAC3_ID,
858 	MTK_GMAC_ID_MAX
859 };
860 
861 enum mtk_tx_buf_type {
862 	MTK_TYPE_SKB,
863 	MTK_TYPE_XDP_TX,
864 	MTK_TYPE_XDP_NDO,
865 };
866 
867 /* struct mtk_tx_buf -	This struct holds the pointers to the memory pointed at
868  *			by the TX descriptor	s
869  * @skb:		The SKB pointer of the packet being sent
870  * @dma_addr0:		The base addr of the first segment
871  * @dma_len0:		The length of the first segment
872  * @dma_addr1:		The base addr of the second segment
873  * @dma_len1:		The length of the second segment
874  */
875 struct mtk_tx_buf {
876 	enum mtk_tx_buf_type type;
877 	void *data;
878 
879 	u16 mac_id;
880 	u16 flags;
881 	DEFINE_DMA_UNMAP_ADDR(dma_addr0);
882 	DEFINE_DMA_UNMAP_LEN(dma_len0);
883 	DEFINE_DMA_UNMAP_ADDR(dma_addr1);
884 	DEFINE_DMA_UNMAP_LEN(dma_len1);
885 };
886 
887 /* struct mtk_tx_ring -	This struct holds info describing a TX ring
888  * @dma:		The descriptor ring
889  * @buf:		The memory pointed at by the ring
890  * @phys:		The physical addr of tx_buf
891  * @next_free:		Pointer to the next free descriptor
892  * @last_free:		Pointer to the last free descriptor
893  * @last_free_ptr:	Hardware pointer value of the last free descriptor
894  * @thresh:		The threshold of minimum amount of free descriptors
895  * @free_count:		QDMA uses a linked list. Track how many free descriptors
896  *			are present
897  */
898 struct mtk_tx_ring {
899 	void *dma;
900 	struct mtk_tx_buf *buf;
901 	dma_addr_t phys;
902 	struct mtk_tx_dma *next_free;
903 	struct mtk_tx_dma *last_free;
904 	u32 last_free_ptr;
905 	u16 thresh;
906 	atomic_t free_count;
907 	int dma_size;
908 	struct mtk_tx_dma *dma_pdma;	/* For MT7628/88 PDMA handling */
909 	dma_addr_t phys_pdma;
910 	int cpu_idx;
911 };
912 
913 /* PDMA rx ring mode */
914 enum mtk_rx_flags {
915 	MTK_RX_FLAGS_NORMAL = 0,
916 	MTK_RX_FLAGS_HWLRO,
917 	MTK_RX_FLAGS_QDMA,
918 };
919 
920 /* struct mtk_rx_ring -	This struct holds info describing a RX ring
921  * @dma:		The descriptor ring
922  * @data:		The memory pointed at by the ring
923  * @phys:		The physical addr of rx_buf
924  * @frag_size:		How big can each fragment be
925  * @buf_size:		The size of each packet buffer
926  * @calc_idx:		The current head of ring
927  */
928 struct mtk_rx_ring {
929 	void *dma;
930 	u8 **data;
931 	dma_addr_t phys;
932 	u16 frag_size;
933 	u16 buf_size;
934 	u16 dma_size;
935 	bool calc_idx_update;
936 	u16 calc_idx;
937 	u32 crx_idx_reg;
938 	/* page_pool */
939 	struct page_pool *page_pool;
940 	struct xdp_rxq_info xdp_q;
941 };
942 
943 enum mkt_eth_capabilities {
944 	MTK_RGMII_BIT = 0,
945 	MTK_TRGMII_BIT,
946 	MTK_SGMII_BIT,
947 	MTK_ESW_BIT,
948 	MTK_GEPHY_BIT,
949 	MTK_MUX_BIT,
950 	MTK_INFRA_BIT,
951 	MTK_SHARED_SGMII_BIT,
952 	MTK_HWLRO_BIT,
953 	MTK_SHARED_INT_BIT,
954 	MTK_TRGMII_MT7621_CLK_BIT,
955 	MTK_QDMA_BIT,
956 	MTK_SOC_MT7628_BIT,
957 	MTK_RSTCTRL_PPE1_BIT,
958 	MTK_RSTCTRL_PPE2_BIT,
959 	MTK_U3_COPHY_V2_BIT,
960 	MTK_SRAM_BIT,
961 	MTK_36BIT_DMA_BIT,
962 
963 	/* MUX BITS*/
964 	MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT,
965 	MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT,
966 	MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT,
967 	MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT,
968 	MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT,
969 
970 	/* PATH BITS */
971 	MTK_ETH_PATH_GMAC1_RGMII_BIT,
972 	MTK_ETH_PATH_GMAC1_TRGMII_BIT,
973 	MTK_ETH_PATH_GMAC1_SGMII_BIT,
974 	MTK_ETH_PATH_GMAC2_RGMII_BIT,
975 	MTK_ETH_PATH_GMAC2_SGMII_BIT,
976 	MTK_ETH_PATH_GMAC2_GEPHY_BIT,
977 	MTK_ETH_PATH_GDM1_ESW_BIT,
978 };
979 
980 /* Supported hardware group on SoCs */
981 #define MTK_RGMII		BIT_ULL(MTK_RGMII_BIT)
982 #define MTK_TRGMII		BIT_ULL(MTK_TRGMII_BIT)
983 #define MTK_SGMII		BIT_ULL(MTK_SGMII_BIT)
984 #define MTK_ESW			BIT_ULL(MTK_ESW_BIT)
985 #define MTK_GEPHY		BIT_ULL(MTK_GEPHY_BIT)
986 #define MTK_MUX			BIT_ULL(MTK_MUX_BIT)
987 #define MTK_INFRA		BIT_ULL(MTK_INFRA_BIT)
988 #define MTK_SHARED_SGMII	BIT_ULL(MTK_SHARED_SGMII_BIT)
989 #define MTK_HWLRO		BIT_ULL(MTK_HWLRO_BIT)
990 #define MTK_SHARED_INT		BIT_ULL(MTK_SHARED_INT_BIT)
991 #define MTK_TRGMII_MT7621_CLK	BIT_ULL(MTK_TRGMII_MT7621_CLK_BIT)
992 #define MTK_QDMA		BIT_ULL(MTK_QDMA_BIT)
993 #define MTK_SOC_MT7628		BIT_ULL(MTK_SOC_MT7628_BIT)
994 #define MTK_RSTCTRL_PPE1	BIT_ULL(MTK_RSTCTRL_PPE1_BIT)
995 #define MTK_RSTCTRL_PPE2	BIT_ULL(MTK_RSTCTRL_PPE2_BIT)
996 #define MTK_U3_COPHY_V2		BIT_ULL(MTK_U3_COPHY_V2_BIT)
997 #define MTK_SRAM		BIT_ULL(MTK_SRAM_BIT)
998 #define MTK_36BIT_DMA	BIT_ULL(MTK_36BIT_DMA_BIT)
999 
1000 #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW		\
1001 	BIT_ULL(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT)
1002 #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY	\
1003 	BIT_ULL(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT)
1004 #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY		\
1005 	BIT_ULL(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT)
1006 #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII	\
1007 	BIT_ULL(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT)
1008 #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII	\
1009 	BIT_ULL(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT)
1010 
1011 /* Supported path present on SoCs */
1012 #define MTK_ETH_PATH_GMAC1_RGMII	BIT_ULL(MTK_ETH_PATH_GMAC1_RGMII_BIT)
1013 #define MTK_ETH_PATH_GMAC1_TRGMII	BIT_ULL(MTK_ETH_PATH_GMAC1_TRGMII_BIT)
1014 #define MTK_ETH_PATH_GMAC1_SGMII	BIT_ULL(MTK_ETH_PATH_GMAC1_SGMII_BIT)
1015 #define MTK_ETH_PATH_GMAC2_RGMII	BIT_ULL(MTK_ETH_PATH_GMAC2_RGMII_BIT)
1016 #define MTK_ETH_PATH_GMAC2_SGMII	BIT_ULL(MTK_ETH_PATH_GMAC2_SGMII_BIT)
1017 #define MTK_ETH_PATH_GMAC2_GEPHY	BIT_ULL(MTK_ETH_PATH_GMAC2_GEPHY_BIT)
1018 #define MTK_ETH_PATH_GDM1_ESW		BIT_ULL(MTK_ETH_PATH_GDM1_ESW_BIT)
1019 
1020 #define MTK_GMAC1_RGMII		(MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII)
1021 #define MTK_GMAC1_TRGMII	(MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII)
1022 #define MTK_GMAC1_SGMII		(MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII)
1023 #define MTK_GMAC2_RGMII		(MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII)
1024 #define MTK_GMAC2_SGMII		(MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII)
1025 #define MTK_GMAC2_GEPHY		(MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY)
1026 #define MTK_GDM1_ESW		(MTK_ETH_PATH_GDM1_ESW | MTK_ESW)
1027 
1028 /* MUXes present on SoCs */
1029 /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */
1030 #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX)
1031 
1032 /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */
1033 #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY    \
1034 	(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA)
1035 
1036 /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */
1037 #define MTK_MUX_U3_GMAC2_TO_QPHY        \
1038 	(MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA)
1039 
1040 /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */
1041 #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII      \
1042 	(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \
1043 	MTK_SHARED_SGMII)
1044 
1045 /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */
1046 #define MTK_MUX_GMAC12_TO_GEPHY_SGMII   \
1047 	(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
1048 
1049 #define MTK_HAS_CAPS(caps, _x)		(((caps) & (_x)) == (_x))
1050 
1051 #define MT7621_CAPS  (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
1052 		      MTK_GMAC2_RGMII | MTK_SHARED_INT | \
1053 		      MTK_TRGMII_MT7621_CLK | MTK_QDMA)
1054 
1055 #define MT7622_CAPS  (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \
1056 		      MTK_GMAC2_SGMII | MTK_GDM1_ESW | \
1057 		      MTK_MUX_GDM1_TO_GMAC1_ESW | \
1058 		      MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA)
1059 
1060 #define MT7623_CAPS  (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \
1061 		      MTK_QDMA)
1062 
1063 #define MT7628_CAPS  (MTK_SHARED_INT | MTK_SOC_MT7628)
1064 
1065 #define MT7629_CAPS  (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
1066 		      MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \
1067 		      MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \
1068 		      MTK_MUX_U3_GMAC2_TO_QPHY | \
1069 		      MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA)
1070 
1071 #define MT7981_CAPS  (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
1072 		      MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
1073 		      MTK_MUX_U3_GMAC2_TO_QPHY | MTK_U3_COPHY_V2 | \
1074 		      MTK_RSTCTRL_PPE1 | MTK_SRAM)
1075 
1076 #define MT7986_CAPS  (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \
1077 		      MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
1078 		      MTK_RSTCTRL_PPE1 | MTK_SRAM)
1079 
1080 #define MT7988_CAPS  (MTK_36BIT_DMA | MTK_GDM1_ESW | MTK_QDMA | \
1081 		      MTK_RSTCTRL_PPE1 | MTK_RSTCTRL_PPE2 | MTK_SRAM)
1082 
1083 struct mtk_tx_dma_desc_info {
1084 	dma_addr_t	addr;
1085 	u32		size;
1086 	u16		vlan_tci;
1087 	u16		qid;
1088 	u8		gso:1;
1089 	u8		csum:1;
1090 	u8		vlan:1;
1091 	u8		first:1;
1092 	u8		last:1;
1093 };
1094 
1095 struct mtk_reg_map {
1096 	u32	tx_irq_mask;
1097 	u32	tx_irq_status;
1098 	struct {
1099 		u32	rx_ptr;		/* rx base pointer */
1100 		u32	rx_cnt_cfg;	/* rx max count configuration */
1101 		u32	pcrx_ptr;	/* rx cpu pointer */
1102 		u32	glo_cfg;	/* global configuration */
1103 		u32	rst_idx;	/* reset index */
1104 		u32	delay_irq;	/* delay interrupt */
1105 		u32	irq_status;	/* interrupt status */
1106 		u32	irq_mask;	/* interrupt mask */
1107 		u32	adma_rx_dbg0;
1108 		u32	int_grp;
1109 	} pdma;
1110 	struct {
1111 		u32	qtx_cfg;	/* tx queue configuration */
1112 		u32	qtx_sch;	/* tx queue scheduler configuration */
1113 		u32	rx_ptr;		/* rx base pointer */
1114 		u32	rx_cnt_cfg;	/* rx max count configuration */
1115 		u32	qcrx_ptr;	/* rx cpu pointer */
1116 		u32	glo_cfg;	/* global configuration */
1117 		u32	rst_idx;	/* reset index */
1118 		u32	delay_irq;	/* delay interrupt */
1119 		u32	fc_th;		/* flow control */
1120 		u32	int_grp;
1121 		u32	hred;		/* interrupt mask */
1122 		u32	ctx_ptr;	/* tx acquire cpu pointer */
1123 		u32	dtx_ptr;	/* tx acquire dma pointer */
1124 		u32	crx_ptr;	/* tx release cpu pointer */
1125 		u32	drx_ptr;	/* tx release dma pointer */
1126 		u32	fq_head;	/* fq head pointer */
1127 		u32	fq_tail;	/* fq tail pointer */
1128 		u32	fq_count;	/* fq free page count */
1129 		u32	fq_blen;	/* fq free page buffer length */
1130 		u32	tx_sch_rate;	/* tx scheduler rate control registers */
1131 	} qdma;
1132 	u32	gdm1_cnt;
1133 	u32	gdma_to_ppe;
1134 	u32	ppe_base;
1135 	u32	wdma_base[2];
1136 	u32	pse_iq_sta;
1137 	u32	pse_oq_sta;
1138 };
1139 
1140 /* struct mtk_eth_data -	This is the structure holding all differences
1141  *				among various plaforms
1142  * @reg_map			Soc register map.
1143  * @ana_rgc3:                   The offset for register ANA_RGC3 related to
1144  *				sgmiisys syscon
1145  * @caps			Flags shown the extra capability for the SoC
1146  * @hw_features			Flags shown HW features
1147  * @required_clks		Flags shown the bitmap for required clocks on
1148  *				the target SoC
1149  * @required_pctl		A bool value to show whether the SoC requires
1150  *				the extra setup for those pins used by GMAC.
1151  * @hash_offset			Flow table hash offset.
1152  * @version			SoC version.
1153  * @foe_entry_size		Foe table entry size.
1154  * @has_accounting		Bool indicating support for accounting of
1155  *				offloaded flows.
1156  * @txd_size			Tx DMA descriptor size.
1157  * @rxd_size			Rx DMA descriptor size.
1158  * @rx_irq_done_mask		Rx irq done register mask.
1159  * @rx_dma_l4_valid		Rx DMA valid register mask.
1160  * @dma_max_len			Max DMA tx/rx buffer length.
1161  * @dma_len_offset		Tx/Rx DMA length field offset.
1162  */
1163 struct mtk_soc_data {
1164 	const struct mtk_reg_map *reg_map;
1165 	u32             ana_rgc3;
1166 	u64		caps;
1167 	u64		required_clks;
1168 	bool		required_pctl;
1169 	u8		offload_version;
1170 	u8		hash_offset;
1171 	u8		version;
1172 	u16		foe_entry_size;
1173 	netdev_features_t hw_features;
1174 	bool		has_accounting;
1175 	bool		disable_pll_modes;
1176 	struct {
1177 		u32	txd_size;
1178 		u32	rxd_size;
1179 		u32	rx_irq_done_mask;
1180 		u32	rx_dma_l4_valid;
1181 		u32	dma_max_len;
1182 		u32	dma_len_offset;
1183 	} txrx;
1184 };
1185 
1186 #define MTK_DMA_MONITOR_TIMEOUT		msecs_to_jiffies(1000)
1187 
1188 /* currently no SoC has more than 3 macs */
1189 #define MTK_MAX_DEVS	3
1190 
1191 /* struct mtk_eth -	This is the main datasructure for holding the state
1192  *			of the driver
1193  * @dev:		The device pointer
1194  * @dev:		The device pointer used for dma mapping/alloc
1195  * @base:		The mapped register i/o base
1196  * @page_lock:		Make sure that register operations are atomic
1197  * @tx_irq__lock:	Make sure that IRQ register operations are atomic
1198  * @rx_irq__lock:	Make sure that IRQ register operations are atomic
1199  * @dim_lock:		Make sure that Net DIM operations are atomic
1200  * @dummy_dev:		we run 2 netdevs on 1 physical DMA ring and need a
1201  *			dummy for NAPI to work
1202  * @netdev:		The netdev instances
1203  * @mac:		Each netdev is linked to a physical MAC
1204  * @irq:		The IRQ that we are using
1205  * @msg_enable:		Ethtool msg level
1206  * @ethsys:		The register map pointing at the range used to setup
1207  *			MII modes
1208  * @infra:              The register map pointing at the range used to setup
1209  *                      SGMII and GePHY path
1210  * @sgmii_pcs:		Pointers to mtk-pcs-lynxi phylink_pcs instances
1211  * @pctl:		The register map pointing at the range used to setup
1212  *			GMAC port drive/slew values
1213  * @dma_refcnt:		track how many netdevs are using the DMA engine
1214  * @tx_ring:		Pointer to the memory holding info about the TX ring
1215  * @rx_ring:		Pointer to the memory holding info about the RX ring
1216  * @rx_ring_qdma:	Pointer to the memory holding info about the QDMA RX ring
1217  * @tx_napi:		The TX NAPI struct
1218  * @rx_napi:		The RX NAPI struct
1219  * @rx_events:		Net DIM RX event counter
1220  * @rx_packets:		Net DIM RX packet counter
1221  * @rx_bytes:		Net DIM RX byte counter
1222  * @rx_dim:		Net DIM RX context
1223  * @tx_events:		Net DIM TX event counter
1224  * @tx_packets:		Net DIM TX packet counter
1225  * @tx_bytes:		Net DIM TX byte counter
1226  * @tx_dim:		Net DIM TX context
1227  * @scratch_ring:	Newer SoCs need memory for a second HW managed TX ring
1228  * @phy_scratch_ring:	physical address of scratch_ring
1229  * @scratch_head:	The scratch memory that scratch_ring points to.
1230  * @clks:		clock array for all clocks required
1231  * @mii_bus:		If there is a bus we need to create an instance for it
1232  * @pending_work:	The workqueue used to reset the dma ring
1233  * @state:		Initialization and runtime state of the device
1234  * @soc:		Holding specific data among vaious SoCs
1235  */
1236 
1237 struct mtk_eth {
1238 	struct device			*dev;
1239 	struct device			*dma_dev;
1240 	void __iomem			*base;
1241 	void				*sram_base;
1242 	spinlock_t			page_lock;
1243 	spinlock_t			tx_irq_lock;
1244 	spinlock_t			rx_irq_lock;
1245 	struct net_device		dummy_dev;
1246 	struct net_device		*netdev[MTK_MAX_DEVS];
1247 	struct mtk_mac			*mac[MTK_MAX_DEVS];
1248 	int				irq[3];
1249 	u32				msg_enable;
1250 	unsigned long			sysclk;
1251 	struct regmap			*ethsys;
1252 	struct regmap			*infra;
1253 	struct phylink_pcs		*sgmii_pcs[MTK_MAX_DEVS];
1254 	struct regmap			*pctl;
1255 	bool				hwlro;
1256 	refcount_t			dma_refcnt;
1257 	struct mtk_tx_ring		tx_ring;
1258 	struct mtk_rx_ring		rx_ring[MTK_MAX_RX_RING_NUM];
1259 	struct mtk_rx_ring		rx_ring_qdma;
1260 	struct napi_struct		tx_napi;
1261 	struct napi_struct		rx_napi;
1262 	void				*scratch_ring;
1263 	dma_addr_t			phy_scratch_ring;
1264 	void				*scratch_head;
1265 	struct clk			*clks[MTK_CLK_MAX];
1266 
1267 	struct mii_bus			*mii_bus;
1268 	struct work_struct		pending_work;
1269 	unsigned long			state;
1270 
1271 	const struct mtk_soc_data	*soc;
1272 
1273 	spinlock_t			dim_lock;
1274 
1275 	u32				rx_events;
1276 	u32				rx_packets;
1277 	u32				rx_bytes;
1278 	struct dim			rx_dim;
1279 
1280 	u32				tx_events;
1281 	u32				tx_packets;
1282 	u32				tx_bytes;
1283 	struct dim			tx_dim;
1284 
1285 	int				ip_align;
1286 
1287 	struct metadata_dst		*dsa_meta[MTK_MAX_DSA_PORTS];
1288 
1289 	struct mtk_ppe			*ppe[2];
1290 	struct rhashtable		flow_table;
1291 
1292 	struct bpf_prog			__rcu *prog;
1293 
1294 	struct {
1295 		struct delayed_work monitor_work;
1296 		u32 wdidx;
1297 		u8 wdma_hang_count;
1298 		u8 qdma_hang_count;
1299 		u8 adma_hang_count;
1300 	} reset;
1301 };
1302 
1303 /* struct mtk_mac -	the structure that holds the info about the MACs of the
1304  *			SoC
1305  * @id:			The number of the MAC
1306  * @interface:		Interface mode kept for detecting change in hw settings
1307  * @of_node:		Our devicetree node
1308  * @hw:			Backpointer to our main datastruture
1309  * @hw_stats:		Packet statistics counter
1310  */
1311 struct mtk_mac {
1312 	int				id;
1313 	phy_interface_t			interface;
1314 	int				speed;
1315 	struct device_node		*of_node;
1316 	struct phylink			*phylink;
1317 	struct phylink_config		phylink_config;
1318 	struct mtk_eth			*hw;
1319 	struct mtk_hw_stats		*hw_stats;
1320 	__be32				hwlro_ip[MTK_MAX_LRO_IP_CNT];
1321 	int				hwlro_ip_cnt;
1322 	unsigned int			syscfg0;
1323 	struct notifier_block		device_notifier;
1324 };
1325 
1326 /* the struct describing the SoC. these are declared in the soc_xyz.c files */
1327 extern const struct of_device_id of_mtk_match[];
1328 
mtk_is_netsys_v1(struct mtk_eth * eth)1329 static inline bool mtk_is_netsys_v1(struct mtk_eth *eth)
1330 {
1331 	return eth->soc->version == 1;
1332 }
1333 
mtk_is_netsys_v2_or_greater(struct mtk_eth * eth)1334 static inline bool mtk_is_netsys_v2_or_greater(struct mtk_eth *eth)
1335 {
1336 	return eth->soc->version > 1;
1337 }
1338 
mtk_is_netsys_v3_or_greater(struct mtk_eth * eth)1339 static inline bool mtk_is_netsys_v3_or_greater(struct mtk_eth *eth)
1340 {
1341 	return eth->soc->version > 2;
1342 }
1343 
1344 static inline struct mtk_foe_entry *
mtk_foe_get_entry(struct mtk_ppe * ppe,u16 hash)1345 mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash)
1346 {
1347 	const struct mtk_soc_data *soc = ppe->eth->soc;
1348 
1349 	return ppe->foe_table + hash * soc->foe_entry_size;
1350 }
1351 
mtk_get_ib1_ts_mask(struct mtk_eth * eth)1352 static inline u32 mtk_get_ib1_ts_mask(struct mtk_eth *eth)
1353 {
1354 	if (mtk_is_netsys_v2_or_greater(eth))
1355 		return MTK_FOE_IB1_BIND_TIMESTAMP_V2;
1356 
1357 	return MTK_FOE_IB1_BIND_TIMESTAMP;
1358 }
1359 
mtk_get_ib1_ppoe_mask(struct mtk_eth * eth)1360 static inline u32 mtk_get_ib1_ppoe_mask(struct mtk_eth *eth)
1361 {
1362 	if (mtk_is_netsys_v2_or_greater(eth))
1363 		return MTK_FOE_IB1_BIND_PPPOE_V2;
1364 
1365 	return MTK_FOE_IB1_BIND_PPPOE;
1366 }
1367 
mtk_get_ib1_vlan_tag_mask(struct mtk_eth * eth)1368 static inline u32 mtk_get_ib1_vlan_tag_mask(struct mtk_eth *eth)
1369 {
1370 	if (mtk_is_netsys_v2_or_greater(eth))
1371 		return MTK_FOE_IB1_BIND_VLAN_TAG_V2;
1372 
1373 	return MTK_FOE_IB1_BIND_VLAN_TAG;
1374 }
1375 
mtk_get_ib1_vlan_layer_mask(struct mtk_eth * eth)1376 static inline u32 mtk_get_ib1_vlan_layer_mask(struct mtk_eth *eth)
1377 {
1378 	if (mtk_is_netsys_v2_or_greater(eth))
1379 		return MTK_FOE_IB1_BIND_VLAN_LAYER_V2;
1380 
1381 	return MTK_FOE_IB1_BIND_VLAN_LAYER;
1382 }
1383 
mtk_prep_ib1_vlan_layer(struct mtk_eth * eth,u32 val)1384 static inline u32 mtk_prep_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1385 {
1386 	if (mtk_is_netsys_v2_or_greater(eth))
1387 		return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1388 
1389 	return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1390 }
1391 
mtk_get_ib1_vlan_layer(struct mtk_eth * eth,u32 val)1392 static inline u32 mtk_get_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1393 {
1394 	if (mtk_is_netsys_v2_or_greater(eth))
1395 		return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1396 
1397 	return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1398 }
1399 
mtk_get_ib1_pkt_type_mask(struct mtk_eth * eth)1400 static inline u32 mtk_get_ib1_pkt_type_mask(struct mtk_eth *eth)
1401 {
1402 	if (mtk_is_netsys_v2_or_greater(eth))
1403 		return MTK_FOE_IB1_PACKET_TYPE_V2;
1404 
1405 	return MTK_FOE_IB1_PACKET_TYPE;
1406 }
1407 
mtk_get_ib1_pkt_type(struct mtk_eth * eth,u32 val)1408 static inline u32 mtk_get_ib1_pkt_type(struct mtk_eth *eth, u32 val)
1409 {
1410 	if (mtk_is_netsys_v2_or_greater(eth))
1411 		return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE_V2, val);
1412 
1413 	return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, val);
1414 }
1415 
mtk_get_ib2_multicast_mask(struct mtk_eth * eth)1416 static inline u32 mtk_get_ib2_multicast_mask(struct mtk_eth *eth)
1417 {
1418 	if (mtk_is_netsys_v2_or_greater(eth))
1419 		return MTK_FOE_IB2_MULTICAST_V2;
1420 
1421 	return MTK_FOE_IB2_MULTICAST;
1422 }
1423 
1424 /* read the hardware status register */
1425 void mtk_stats_update_mac(struct mtk_mac *mac);
1426 
1427 void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
1428 u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
1429 u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned int reg);
1430 
1431 int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id);
1432 int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id);
1433 int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id);
1434 
1435 int mtk_eth_offload_init(struct mtk_eth *eth);
1436 int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
1437 		     void *type_data);
1438 int mtk_flow_offload_cmd(struct mtk_eth *eth, struct flow_cls_offload *cls,
1439 			 int ppe_index);
1440 void mtk_flow_offload_cleanup(struct mtk_eth *eth, struct list_head *list);
1441 void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev);
1442 
1443 
1444 #endif /* MTK_ETH_H */
1445