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->tx.dma_max_len) << eth->soc->tx.dma_len_offset)
331#define TX_DMA_PLEN1(x)		((x) & eth->soc->tx.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->rx.dma_max_len) << eth->soc->rx.dma_len_offset)
352#define RX_DMA_GET_PLEN0(x)	(((x) >> eth->soc->rx.dma_len_offset) & eth->soc->rx.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
604struct mtk_rx_dma {
605	unsigned int rxd1;
606	unsigned int rxd2;
607	unsigned int rxd3;
608	unsigned int rxd4;
609} __packed __aligned(4);
610
611struct 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
622struct mtk_tx_dma {
623	unsigned int txd1;
624	unsigned int txd2;
625	unsigned int txd3;
626	unsigned int txd4;
627} __packed __aligned(4);
628
629struct 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
640struct mtk_eth;
641struct mtk_mac;
642
643struct 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 */
662struct 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
683enum 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 */
694enum 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
827enum mtk_dev_state {
828	MTK_HW_INIT,
829	MTK_RESETTING
830};
831
832/* PSE Port Definition */
833enum 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 */
854enum mtk_gmac_id {
855	MTK_GMAC1_ID = 0,
856	MTK_GMAC2_ID,
857	MTK_GMAC3_ID,
858	MTK_GMAC_ID_MAX
859};
860
861enum 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 */
875struct 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 */
898struct 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 */
914enum 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 */
928struct 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
943enum 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
1083struct 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
1095struct 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[3];
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 * @desc_size			Tx/Rx DMA descriptor size.
1157 * @irq_done_mask		Rx irq done register mask.
1158 * @dma_l4_valid		Rx DMA valid register mask.
1159 * @dma_max_len			Max DMA tx/rx buffer length.
1160 * @dma_len_offset		Tx/Rx DMA length field offset.
1161 */
1162struct mtk_soc_data {
1163	const struct mtk_reg_map *reg_map;
1164	u32             ana_rgc3;
1165	u64		caps;
1166	u64		required_clks;
1167	bool		required_pctl;
1168	u8		offload_version;
1169	u8		hash_offset;
1170	u8		version;
1171	u16		foe_entry_size;
1172	netdev_features_t hw_features;
1173	bool		has_accounting;
1174	bool		disable_pll_modes;
1175	struct {
1176		u32	desc_size;
1177		u32	dma_max_len;
1178		u32	dma_len_offset;
1179	} tx;
1180	struct {
1181		u32	desc_size;
1182		u32	irq_done_mask;
1183		u32	dma_l4_valid;
1184		u32	dma_max_len;
1185		u32	dma_len_offset;
1186	} rx;
1187};
1188
1189#define MTK_DMA_MONITOR_TIMEOUT		msecs_to_jiffies(1000)
1190
1191/* currently no SoC has more than 3 macs */
1192#define MTK_MAX_DEVS	3
1193
1194/* struct mtk_eth -	This is the main datasructure for holding the state
1195 *			of the driver
1196 * @dev:		The device pointer
1197 * @dev:		The device pointer used for dma mapping/alloc
1198 * @base:		The mapped register i/o base
1199 * @page_lock:		Make sure that register operations are atomic
1200 * @tx_irq__lock:	Make sure that IRQ register operations are atomic
1201 * @rx_irq__lock:	Make sure that IRQ register operations are atomic
1202 * @dim_lock:		Make sure that Net DIM operations are atomic
1203 * @dummy_dev:		we run 2 netdevs on 1 physical DMA ring and need a
1204 *			dummy for NAPI to work
1205 * @netdev:		The netdev instances
1206 * @mac:		Each netdev is linked to a physical MAC
1207 * @irq:		The IRQ that we are using
1208 * @msg_enable:		Ethtool msg level
1209 * @ethsys:		The register map pointing at the range used to setup
1210 *			MII modes
1211 * @infra:              The register map pointing at the range used to setup
1212 *                      SGMII and GePHY path
1213 * @sgmii_pcs:		Pointers to mtk-pcs-lynxi phylink_pcs instances
1214 * @pctl:		The register map pointing at the range used to setup
1215 *			GMAC port drive/slew values
1216 * @dma_refcnt:		track how many netdevs are using the DMA engine
1217 * @tx_ring:		Pointer to the memory holding info about the TX ring
1218 * @rx_ring:		Pointer to the memory holding info about the RX ring
1219 * @rx_ring_qdma:	Pointer to the memory holding info about the QDMA RX ring
1220 * @tx_napi:		The TX NAPI struct
1221 * @rx_napi:		The RX NAPI struct
1222 * @rx_events:		Net DIM RX event counter
1223 * @rx_packets:		Net DIM RX packet counter
1224 * @rx_bytes:		Net DIM RX byte counter
1225 * @rx_dim:		Net DIM RX context
1226 * @tx_events:		Net DIM TX event counter
1227 * @tx_packets:		Net DIM TX packet counter
1228 * @tx_bytes:		Net DIM TX byte counter
1229 * @tx_dim:		Net DIM TX context
1230 * @scratch_ring:	Newer SoCs need memory for a second HW managed TX ring
1231 * @phy_scratch_ring:	physical address of scratch_ring
1232 * @scratch_head:	The scratch memory that scratch_ring points to.
1233 * @clks:		clock array for all clocks required
1234 * @mii_bus:		If there is a bus we need to create an instance for it
1235 * @pending_work:	The workqueue used to reset the dma ring
1236 * @state:		Initialization and runtime state of the device
1237 * @soc:		Holding specific data among vaious SoCs
1238 */
1239
1240struct mtk_eth {
1241	struct device			*dev;
1242	struct device			*dma_dev;
1243	void __iomem			*base;
1244	void				*sram_base;
1245	spinlock_t			page_lock;
1246	spinlock_t			tx_irq_lock;
1247	spinlock_t			rx_irq_lock;
1248	struct net_device		*dummy_dev;
1249	struct net_device		*netdev[MTK_MAX_DEVS];
1250	struct mtk_mac			*mac[MTK_MAX_DEVS];
1251	int				irq[3];
1252	u32				msg_enable;
1253	unsigned long			sysclk;
1254	struct regmap			*ethsys;
1255	struct regmap			*infra;
1256	struct phylink_pcs		*sgmii_pcs[MTK_MAX_DEVS];
1257	struct regmap			*pctl;
1258	bool				hwlro;
1259	refcount_t			dma_refcnt;
1260	struct mtk_tx_ring		tx_ring;
1261	struct mtk_rx_ring		rx_ring[MTK_MAX_RX_RING_NUM];
1262	struct mtk_rx_ring		rx_ring_qdma;
1263	struct napi_struct		tx_napi;
1264	struct napi_struct		rx_napi;
1265	void				*scratch_ring;
1266	dma_addr_t			phy_scratch_ring;
1267	void				*scratch_head;
1268	struct clk			*clks[MTK_CLK_MAX];
1269
1270	struct mii_bus			*mii_bus;
1271	struct work_struct		pending_work;
1272	unsigned long			state;
1273
1274	const struct mtk_soc_data	*soc;
1275
1276	spinlock_t			dim_lock;
1277
1278	u32				rx_events;
1279	u32				rx_packets;
1280	u32				rx_bytes;
1281	struct dim			rx_dim;
1282
1283	u32				tx_events;
1284	u32				tx_packets;
1285	u32				tx_bytes;
1286	struct dim			tx_dim;
1287
1288	int				ip_align;
1289
1290	struct metadata_dst		*dsa_meta[MTK_MAX_DSA_PORTS];
1291
1292	struct mtk_ppe			*ppe[2];
1293	struct rhashtable		flow_table;
1294
1295	struct bpf_prog			__rcu *prog;
1296
1297	struct {
1298		struct delayed_work monitor_work;
1299		u32 wdidx;
1300		u8 wdma_hang_count;
1301		u8 qdma_hang_count;
1302		u8 adma_hang_count;
1303	} reset;
1304};
1305
1306/* struct mtk_mac -	the structure that holds the info about the MACs of the
1307 *			SoC
1308 * @id:			The number of the MAC
1309 * @interface:		Interface mode kept for detecting change in hw settings
1310 * @of_node:		Our devicetree node
1311 * @hw:			Backpointer to our main datastruture
1312 * @hw_stats:		Packet statistics counter
1313 */
1314struct mtk_mac {
1315	int				id;
1316	phy_interface_t			interface;
1317	int				speed;
1318	struct device_node		*of_node;
1319	struct phylink			*phylink;
1320	struct phylink_config		phylink_config;
1321	struct mtk_eth			*hw;
1322	struct mtk_hw_stats		*hw_stats;
1323	__be32				hwlro_ip[MTK_MAX_LRO_IP_CNT];
1324	int				hwlro_ip_cnt;
1325	unsigned int			syscfg0;
1326	struct notifier_block		device_notifier;
1327};
1328
1329/* the struct describing the SoC. these are declared in the soc_xyz.c files */
1330extern const struct of_device_id of_mtk_match[];
1331
1332static inline bool mtk_is_netsys_v1(struct mtk_eth *eth)
1333{
1334	return eth->soc->version == 1;
1335}
1336
1337static inline bool mtk_is_netsys_v2_or_greater(struct mtk_eth *eth)
1338{
1339	return eth->soc->version > 1;
1340}
1341
1342static inline bool mtk_is_netsys_v3_or_greater(struct mtk_eth *eth)
1343{
1344	return eth->soc->version > 2;
1345}
1346
1347static inline struct mtk_foe_entry *
1348mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash)
1349{
1350	const struct mtk_soc_data *soc = ppe->eth->soc;
1351
1352	return ppe->foe_table + hash * soc->foe_entry_size;
1353}
1354
1355static inline u32 mtk_get_ib1_ts_mask(struct mtk_eth *eth)
1356{
1357	if (mtk_is_netsys_v2_or_greater(eth))
1358		return MTK_FOE_IB1_BIND_TIMESTAMP_V2;
1359
1360	return MTK_FOE_IB1_BIND_TIMESTAMP;
1361}
1362
1363static inline u32 mtk_get_ib1_ppoe_mask(struct mtk_eth *eth)
1364{
1365	if (mtk_is_netsys_v2_or_greater(eth))
1366		return MTK_FOE_IB1_BIND_PPPOE_V2;
1367
1368	return MTK_FOE_IB1_BIND_PPPOE;
1369}
1370
1371static inline u32 mtk_get_ib1_vlan_tag_mask(struct mtk_eth *eth)
1372{
1373	if (mtk_is_netsys_v2_or_greater(eth))
1374		return MTK_FOE_IB1_BIND_VLAN_TAG_V2;
1375
1376	return MTK_FOE_IB1_BIND_VLAN_TAG;
1377}
1378
1379static inline u32 mtk_get_ib1_vlan_layer_mask(struct mtk_eth *eth)
1380{
1381	if (mtk_is_netsys_v2_or_greater(eth))
1382		return MTK_FOE_IB1_BIND_VLAN_LAYER_V2;
1383
1384	return MTK_FOE_IB1_BIND_VLAN_LAYER;
1385}
1386
1387static inline u32 mtk_prep_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1388{
1389	if (mtk_is_netsys_v2_or_greater(eth))
1390		return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1391
1392	return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1393}
1394
1395static inline u32 mtk_get_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1396{
1397	if (mtk_is_netsys_v2_or_greater(eth))
1398		return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1399
1400	return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1401}
1402
1403static inline u32 mtk_get_ib1_pkt_type_mask(struct mtk_eth *eth)
1404{
1405	if (mtk_is_netsys_v2_or_greater(eth))
1406		return MTK_FOE_IB1_PACKET_TYPE_V2;
1407
1408	return MTK_FOE_IB1_PACKET_TYPE;
1409}
1410
1411static inline u32 mtk_get_ib1_pkt_type(struct mtk_eth *eth, u32 val)
1412{
1413	if (mtk_is_netsys_v2_or_greater(eth))
1414		return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE_V2, val);
1415
1416	return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, val);
1417}
1418
1419static inline u32 mtk_get_ib2_multicast_mask(struct mtk_eth *eth)
1420{
1421	if (mtk_is_netsys_v2_or_greater(eth))
1422		return MTK_FOE_IB2_MULTICAST_V2;
1423
1424	return MTK_FOE_IB2_MULTICAST;
1425}
1426
1427/* read the hardware status register */
1428void mtk_stats_update_mac(struct mtk_mac *mac);
1429
1430void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
1431u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
1432u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned int reg);
1433
1434int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id);
1435int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id);
1436int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id);
1437
1438int mtk_eth_offload_init(struct mtk_eth *eth);
1439int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
1440		     void *type_data);
1441int mtk_flow_offload_cmd(struct mtk_eth *eth, struct flow_cls_offload *cls,
1442			 int ppe_index);
1443void mtk_flow_offload_cleanup(struct mtk_eth *eth, struct list_head *list);
1444void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev);
1445
1446
1447#endif /* MTK_ETH_H */
1448