1 /* SPDX-License-Identifier: GPL-2.0-only */
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>
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.h>
22 #include <linux/bpf_trace.h>
25 #define MTK_MAX_DSA_PORTS 7
26 #define MTK_DSA_PORT_MASK GENMASK(2, 0)
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_MAC_COUNT 2
37 #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)
38 #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
39 #define MTK_DMA_DUMMY_DESC 0xffffffff
40 #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \
48 #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \
50 NETIF_F_HW_VLAN_CTAG_TX | \
51 NETIF_F_SG | NETIF_F_TSO | \
55 #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM)
56 #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1))
58 #define MTK_PP_HEADROOM XDP_PACKET_HEADROOM
59 #define MTK_PP_PAD (MTK_PP_HEADROOM + \
60 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
61 #define MTK_PP_MAX_BUF_SIZE (PAGE_SIZE - MTK_PP_PAD)
63 #define MTK_QRX_OFFSET 0x10
65 #define MTK_MAX_RX_RING_NUM 4
66 #define MTK_HW_LRO_DMA_SIZE 8
68 #define MTK_MAX_LRO_RX_LENGTH (4096 * 3)
69 #define MTK_MAX_LRO_IP_CNT 2
70 #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */
71 #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */
72 #define MTK_HW_LRO_AGG_TIME 10 /* 200us */
73 #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */
74 #define MTK_HW_LRO_MAX_AGG_CNT 64
75 #define MTK_HW_LRO_BW_THRE 3000
76 #define MTK_HW_LRO_REPLACE_DELTA 1000
77 #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522
79 /* Frame Engine Global Configuration */
80 #define MTK_FE_GLO_CFG 0x00
81 #define MTK_FE_LINK_DOWN_P3 BIT(11)
82 #define MTK_FE_LINK_DOWN_P4 BIT(12)
84 /* Frame Engine Global Reset Register */
85 #define MTK_RST_GL 0x04
86 #define RST_GL_PSE BIT(0)
88 /* Frame Engine Interrupt Status Register */
89 #define MTK_INT_STATUS2 0x08
90 #define MTK_FE_INT_ENABLE 0x0c
91 #define MTK_FE_INT_FQ_EMPTY BIT(8)
92 #define MTK_FE_INT_TSO_FAIL BIT(12)
93 #define MTK_FE_INT_TSO_ILLEGAL BIT(13)
94 #define MTK_FE_INT_TSO_ALIGN BIT(14)
95 #define MTK_FE_INT_RFIFO_OV BIT(18)
96 #define MTK_FE_INT_RFIFO_UF BIT(19)
97 #define MTK_GDM1_AF BIT(28)
98 #define MTK_GDM2_AF BIT(29)
100 /* PDMA HW LRO Alter Flow Timer Register */
101 #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c
103 /* Frame Engine Interrupt Grouping Register */
104 #define MTK_FE_INT_GRP 0x20
106 /* CDMP Ingress Control Register */
107 #define MTK_CDMQ_IG_CTRL 0x1400
108 #define MTK_CDMQ_STAG_EN BIT(0)
110 /* CDMQ Exgress Control Register */
111 #define MTK_CDMQ_EG_CTRL 0x1404
113 /* CDMP Ingress Control Register */
114 #define MTK_CDMP_IG_CTRL 0x400
115 #define MTK_CDMP_STAG_EN BIT(0)
117 /* CDMP Exgress Control Register */
118 #define MTK_CDMP_EG_CTRL 0x404
120 /* GDM Exgress Control Register */
121 #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
122 #define MTK_GDMA_SPECIAL_TAG BIT(24)
123 #define MTK_GDMA_ICS_EN BIT(22)
124 #define MTK_GDMA_TCS_EN BIT(21)
125 #define MTK_GDMA_UCS_EN BIT(20)
126 #define MTK_GDMA_TO_PDMA 0x0
127 #define MTK_GDMA_DROP_ALL 0x7777
129 /* Unicast Filter MAC Address Register - Low */
130 #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000))
132 /* Unicast Filter MAC Address Register - High */
133 #define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000))
135 /* FE global misc reg*/
136 #define MTK_FE_GLO_MISC 0x124
138 /* PSE Free Queue Flow Control */
139 #define PSE_FQFC_CFG1 0x100
140 #define PSE_FQFC_CFG2 0x104
141 #define PSE_DROP_CFG 0x108
142 #define PSE_PPE0_DROP 0x110
144 /* PSE Input Queue Reservation Register*/
145 #define PSE_IQ_REV(x) (0x140 + (((x) - 1) << 2))
147 /* PSE Output Queue Threshold Register*/
148 #define PSE_OQ_TH(x) (0x160 + (((x) - 1) << 2))
150 /* GDM and CDM Threshold */
151 #define MTK_GDM2_THRES 0x1530
152 #define MTK_CDMW0_THRES 0x164c
153 #define MTK_CDMW1_THRES 0x1650
154 #define MTK_CDME0_THRES 0x1654
155 #define MTK_CDME1_THRES 0x1658
156 #define MTK_CDMM_THRES 0x165c
158 /* PDMA HW LRO Control Registers */
159 #define MTK_PDMA_LRO_CTRL_DW0 0x980
160 #define MTK_LRO_EN BIT(0)
161 #define MTK_L3_CKS_UPD_EN BIT(7)
162 #define MTK_L3_CKS_UPD_EN_V2 BIT(19)
163 #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21)
164 #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26)
165 #define MTK_LRO_RING_RELINQUISH_REQ_V2 (0xf << 24)
166 #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29)
167 #define MTK_LRO_RING_RELINQUISH_DONE_V2 (0xf << 28)
169 #define MTK_PDMA_LRO_CTRL_DW1 0x984
170 #define MTK_PDMA_LRO_CTRL_DW2 0x988
171 #define MTK_PDMA_LRO_CTRL_DW3 0x98c
172 #define MTK_ADMA_MODE BIT(15)
173 #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16)
175 #define MTK_RX_DMA_LRO_EN BIT(8)
176 #define MTK_MULTI_EN BIT(10)
177 #define MTK_PDMA_SIZE_8DWORDS (1 << 4)
179 /* PDMA Global Configuration Register */
180 #define MTK_PDMA_LRO_SDL 0x3000
181 #define MTK_RX_CFG_SDL_OFFSET 16
183 /* PDMA Reset Index Register */
184 #define MTK_PST_DRX_IDX0 BIT(16)
185 #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x))
187 /* PDMA Delay Interrupt Register */
188 #define MTK_PDMA_DELAY_RX_MASK GENMASK(15, 0)
189 #define MTK_PDMA_DELAY_RX_EN BIT(15)
190 #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8
191 #define MTK_PDMA_DELAY_RX_PTIME_SHIFT 0
193 #define MTK_PDMA_DELAY_TX_MASK GENMASK(31, 16)
194 #define MTK_PDMA_DELAY_TX_EN BIT(31)
195 #define MTK_PDMA_DELAY_TX_PINT_SHIFT 24
196 #define MTK_PDMA_DELAY_TX_PTIME_SHIFT 16
198 #define MTK_PDMA_DELAY_PINT_MASK 0x7f
199 #define MTK_PDMA_DELAY_PTIME_MASK 0xff
201 /* PDMA HW LRO Alter Flow Delta Register */
202 #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c
204 /* PDMA HW LRO IP Setting Registers */
205 #define MTK_LRO_RX_RING0_DIP_DW0 0xb04
206 #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40))
207 #define MTK_RING_MYIP_VLD BIT(9)
209 /* PDMA HW LRO Ring Control Registers */
210 #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28
211 #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c
212 #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30
213 #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40))
214 #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40))
215 #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40))
216 #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22)
217 #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f)
218 #define MTK_RING_AUTO_LERAN_MODE (3 << 6)
219 #define MTK_RING_VLD BIT(8)
220 #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10)
221 #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26)
222 #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3)
224 /* QDMA TX Queue Configuration Registers */
225 #define MTK_QTX_OFFSET 0x10
226 #define QDMA_RES_THRES 4
228 /* QDMA Tx Queue Scheduler Configuration Registers */
229 #define MTK_QTX_SCH_TX_SEL BIT(31)
230 #define MTK_QTX_SCH_TX_SEL_V2 GENMASK(31, 30)
232 #define MTK_QTX_SCH_LEAKY_BUCKET_EN BIT(30)
233 #define MTK_QTX_SCH_LEAKY_BUCKET_SIZE GENMASK(29, 28)
234 #define MTK_QTX_SCH_MIN_RATE_EN BIT(27)
235 #define MTK_QTX_SCH_MIN_RATE_MAN GENMASK(26, 20)
236 #define MTK_QTX_SCH_MIN_RATE_EXP GENMASK(19, 16)
237 #define MTK_QTX_SCH_MAX_RATE_WEIGHT GENMASK(15, 12)
238 #define MTK_QTX_SCH_MAX_RATE_EN BIT(11)
239 #define MTK_QTX_SCH_MAX_RATE_MAN GENMASK(10, 4)
240 #define MTK_QTX_SCH_MAX_RATE_EXP GENMASK(3, 0)
242 /* QDMA TX Scheduler Rate Control Register */
243 #define MTK_QDMA_TX_SCH_MAX_WFQ BIT(15)
245 /* QDMA Global Configuration Register */
246 #define MTK_RX_2B_OFFSET BIT(31)
247 #define MTK_RX_BT_32DWORDS (3 << 11)
248 #define MTK_NDP_CO_PRO BIT(10)
249 #define MTK_TX_WB_DDONE BIT(6)
250 #define MTK_TX_BT_32DWORDS (3 << 4)
251 #define MTK_RX_DMA_BUSY BIT(3)
252 #define MTK_TX_DMA_BUSY BIT(1)
253 #define MTK_RX_DMA_EN BIT(2)
254 #define MTK_TX_DMA_EN BIT(0)
255 #define MTK_DMA_BUSY_TIMEOUT_US 1000000
257 /* QDMA V2 Global Configuration Register */
258 #define MTK_CHK_DDONE_EN BIT(28)
259 #define MTK_DMAD_WR_WDONE BIT(26)
260 #define MTK_WCOMP_EN BIT(24)
261 #define MTK_RESV_BUF (0x40 << 16)
262 #define MTK_MUTLI_CNT (0x4 << 12)
263 #define MTK_LEAKY_BUCKET_EN BIT(11)
265 /* QDMA Flow Control Register */
266 #define FC_THRES_DROP_MODE BIT(20)
267 #define FC_THRES_DROP_EN (7 << 16)
268 #define FC_THRES_MIN 0x4444
270 /* QDMA Interrupt Status Register */
271 #define MTK_RX_DONE_DLY BIT(30)
272 #define MTK_TX_DONE_DLY BIT(28)
273 #define MTK_RX_DONE_INT3 BIT(19)
274 #define MTK_RX_DONE_INT2 BIT(18)
275 #define MTK_RX_DONE_INT1 BIT(17)
276 #define MTK_RX_DONE_INT0 BIT(16)
277 #define MTK_TX_DONE_INT3 BIT(3)
278 #define MTK_TX_DONE_INT2 BIT(2)
279 #define MTK_TX_DONE_INT1 BIT(1)
280 #define MTK_TX_DONE_INT0 BIT(0)
281 #define MTK_RX_DONE_INT MTK_RX_DONE_DLY
282 #define MTK_TX_DONE_INT MTK_TX_DONE_DLY
284 #define MTK_RX_DONE_INT_V2 BIT(14)
286 #define MTK_CDM_TXFIFO_RDY BIT(7)
288 /* QDMA Interrupt grouping registers */
289 #define MTK_RLS_DONE_INT BIT(0)
291 #define MTK_STAT_OFFSET 0x40
294 #define QID_BITS_V2(x) (((x) & 0x3f) << 16)
295 #define MTK_QDMA_GMAC2_QID 8
297 #define MTK_TX_DMA_BUF_SHIFT 8
299 /* QDMA V2 descriptor txd6 */
300 #define TX_DMA_INS_VLAN_V2 BIT(16)
301 /* QDMA V2 descriptor txd5 */
302 #define TX_DMA_CHKSUM_V2 (0x7 << 28)
303 #define TX_DMA_TSO_V2 BIT(31)
305 /* QDMA V2 descriptor txd4 */
306 #define TX_DMA_FPORT_SHIFT_V2 8
307 #define TX_DMA_FPORT_MASK_V2 0xf
308 #define TX_DMA_SWC_V2 BIT(30)
310 /* QDMA descriptor txd4 */
311 #define TX_DMA_CHKSUM (0x7 << 29)
312 #define TX_DMA_TSO BIT(28)
313 #define TX_DMA_FPORT_SHIFT 25
314 #define TX_DMA_FPORT_MASK 0x7
315 #define TX_DMA_INS_VLAN BIT(16)
317 /* QDMA descriptor txd3 */
318 #define TX_DMA_OWNER_CPU BIT(31)
319 #define TX_DMA_LS0 BIT(30)
320 #define TX_DMA_PLEN0(x) (((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
321 #define TX_DMA_PLEN1(x) ((x) & eth->soc->txrx.dma_max_len)
322 #define TX_DMA_SWC BIT(14)
323 #define TX_DMA_PQID GENMASK(3, 0)
326 #define TX_DMA_DONE BIT(31)
327 #define TX_DMA_LS1 BIT(14)
328 #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
330 /* QDMA descriptor rxd2 */
331 #define RX_DMA_DONE BIT(31)
332 #define RX_DMA_LSO BIT(30)
333 #define RX_DMA_PREP_PLEN0(x) (((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
334 #define RX_DMA_GET_PLEN0(x) (((x) >> eth->soc->txrx.dma_len_offset) & eth->soc->txrx.dma_max_len)
335 #define RX_DMA_VTAG BIT(15)
337 /* QDMA descriptor rxd3 */
338 #define RX_DMA_VID(x) ((x) & VLAN_VID_MASK)
339 #define RX_DMA_TCI(x) ((x) & (VLAN_PRIO_MASK | VLAN_VID_MASK))
340 #define RX_DMA_VPID(x) (((x) >> 16) & 0xffff)
342 /* QDMA descriptor rxd4 */
343 #define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
344 #define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14)
345 #define MTK_RXD4_SRC_PORT GENMASK(21, 19)
346 #define MTK_RXD4_ALG GENMASK(31, 22)
348 /* QDMA descriptor rxd4 */
349 #define RX_DMA_L4_VALID BIT(24)
350 #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */
351 #define RX_DMA_SPECIAL_TAG BIT(22)
353 /* PDMA descriptor rxd5 */
354 #define MTK_RXD5_FOE_ENTRY GENMASK(14, 0)
355 #define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
356 #define MTK_RXD5_SRC_PORT GENMASK(29, 26)
358 #define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7)
359 #define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf)
361 /* PDMA V2 descriptor rxd3 */
362 #define RX_DMA_VTAG_V2 BIT(0)
363 #define RX_DMA_L4_VALID_V2 BIT(2)
365 /* PHY Polling and SMI Master Control registers */
366 #define MTK_PPSC 0x10000
367 #define PPSC_MDC_CFG GENMASK(29, 24)
368 #define PPSC_MDC_TURBO BIT(20)
369 #define MDC_MAX_FREQ 25000000
370 #define MDC_MAX_DIVIDER 63
372 /* PHY Indirect Access Control registers */
373 #define MTK_PHY_IAC 0x10004
374 #define PHY_IAC_ACCESS BIT(31)
375 #define PHY_IAC_REG_MASK GENMASK(29, 25)
376 #define PHY_IAC_REG(x) FIELD_PREP(PHY_IAC_REG_MASK, (x))
377 #define PHY_IAC_ADDR_MASK GENMASK(24, 20)
378 #define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x))
379 #define PHY_IAC_CMD_MASK GENMASK(19, 18)
380 #define PHY_IAC_CMD_C45_ADDR FIELD_PREP(PHY_IAC_CMD_MASK, 0)
381 #define PHY_IAC_CMD_WRITE FIELD_PREP(PHY_IAC_CMD_MASK, 1)
382 #define PHY_IAC_CMD_C22_READ FIELD_PREP(PHY_IAC_CMD_MASK, 2)
383 #define PHY_IAC_CMD_C45_READ FIELD_PREP(PHY_IAC_CMD_MASK, 3)
384 #define PHY_IAC_START_MASK GENMASK(17, 16)
385 #define PHY_IAC_START_C45 FIELD_PREP(PHY_IAC_START_MASK, 0)
386 #define PHY_IAC_START_C22 FIELD_PREP(PHY_IAC_START_MASK, 1)
387 #define PHY_IAC_DATA_MASK GENMASK(15, 0)
388 #define PHY_IAC_DATA(x) FIELD_PREP(PHY_IAC_DATA_MASK, (x))
389 #define PHY_IAC_TIMEOUT HZ
391 #define MTK_MAC_MISC 0x1000c
392 #define MTK_MUX_TO_ESW BIT(0)
394 /* Mac control registers */
395 #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100))
396 #define MAC_MCR_MAX_RX_MASK GENMASK(25, 24)
397 #define MAC_MCR_MAX_RX(_x) (MAC_MCR_MAX_RX_MASK & ((_x) << 24))
398 #define MAC_MCR_MAX_RX_1518 0x0
399 #define MAC_MCR_MAX_RX_1536 0x1
400 #define MAC_MCR_MAX_RX_1552 0x2
401 #define MAC_MCR_MAX_RX_2048 0x3
402 #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16))
403 #define MAC_MCR_FORCE_MODE BIT(15)
404 #define MAC_MCR_TX_EN BIT(14)
405 #define MAC_MCR_RX_EN BIT(13)
406 #define MAC_MCR_RX_FIFO_CLR_DIS BIT(12)
407 #define MAC_MCR_BACKOFF_EN BIT(9)
408 #define MAC_MCR_BACKPR_EN BIT(8)
409 #define MAC_MCR_FORCE_RX_FC BIT(5)
410 #define MAC_MCR_FORCE_TX_FC BIT(4)
411 #define MAC_MCR_SPEED_1000 BIT(3)
412 #define MAC_MCR_SPEED_100 BIT(2)
413 #define MAC_MCR_FORCE_DPX BIT(1)
414 #define MAC_MCR_FORCE_LINK BIT(0)
415 #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE)
417 /* Mac status registers */
418 #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100))
419 #define MAC_MSR_EEE1G BIT(7)
420 #define MAC_MSR_EEE100M BIT(6)
421 #define MAC_MSR_RX_FC BIT(5)
422 #define MAC_MSR_TX_FC BIT(4)
423 #define MAC_MSR_SPEED_1000 BIT(3)
424 #define MAC_MSR_SPEED_100 BIT(2)
425 #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)
426 #define MAC_MSR_DPX BIT(1)
427 #define MAC_MSR_LINK BIT(0)
429 /* TRGMII RXC control register */
430 #define TRGMII_RCK_CTRL 0x10300
431 #define DQSI0(x) ((x << 0) & GENMASK(6, 0))
432 #define DQSI1(x) ((x << 8) & GENMASK(14, 8))
433 #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16))
434 #define RXC_RST BIT(31)
435 #define RXC_DQSISEL BIT(30)
436 #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16))
437 #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2)
439 #define NUM_TRGMII_CTRL 5
441 /* TRGMII RXC control register */
442 #define TRGMII_TCK_CTRL 0x10340
443 #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16))
444 #define TXC_INV BIT(30)
445 #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2)
446 #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2))
448 /* TRGMII TX Drive Strength */
449 #define TRGMII_TD_ODT(i) (0x10354 + 8 * (i))
450 #define TD_DM_DRVP(x) ((x) & 0xf)
451 #define TD_DM_DRVN(x) (((x) & 0xf) << 4)
453 /* TRGMII Interface mode register */
454 #define INTF_MODE 0x10390
455 #define TRGMII_INTF_DIS BIT(0)
456 #define TRGMII_MODE BIT(1)
457 #define TRGMII_CENTRAL_ALIGNED BIT(2)
458 #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED)
459 #define INTF_MODE_RGMII_10_100 0
461 /* GPIO port control registers for GMAC 2*/
462 #define GPIO_OD33_CTRL8 0x4c0
463 #define GPIO_BIAS_CTRL 0xed0
464 #define GPIO_DRV_SEL10 0xf00
466 /* ethernet subsystem chip id register */
467 #define ETHSYS_CHIPID0_3 0x0
468 #define ETHSYS_CHIPID4_7 0x4
469 #define MT7623_ETH 7623
470 #define MT7622_ETH 7622
471 #define MT7621_ETH 7621
473 /* ethernet system control register */
474 #define ETHSYS_SYSCFG 0x10
475 #define SYSCFG_DRAM_TYPE_DDR2 BIT(4)
477 /* ethernet subsystem config register */
478 #define ETHSYS_SYSCFG0 0x14
479 #define SYSCFG0_GE_MASK 0x3
480 #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2)))
481 #define SYSCFG0_SGMII_MASK GENMASK(9, 8)
482 #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK)
483 #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK)
484 #define SYSCFG0_SGMII_GMAC1_V2 BIT(9)
485 #define SYSCFG0_SGMII_GMAC2_V2 BIT(8)
488 /* ethernet subsystem clock register */
489 #define ETHSYS_CLKCFG0 0x2c
490 #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
491 #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6))
492 #define ETHSYS_TRGMII_MT7621_APLL BIT(6)
493 #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5)
495 /* ethernet reset control register */
496 #define ETHSYS_RSTCTRL 0x34
497 #define RSTCTRL_FE BIT(6)
498 #define RSTCTRL_PPE0 BIT(31)
499 #define RSTCTRL_PPE0_V2 BIT(30)
500 #define RSTCTRL_PPE1 BIT(31)
501 #define RSTCTRL_ETH BIT(23)
503 /* ethernet reset check idle register */
504 #define ETHSYS_FE_RST_CHK_IDLE_EN 0x28
506 /* ethernet dma channel agent map */
507 #define ETHSYS_DMA_AG_MAP 0x408
508 #define ETHSYS_DMA_AG_MAP_PDMA BIT(0)
509 #define ETHSYS_DMA_AG_MAP_QDMA BIT(1)
510 #define ETHSYS_DMA_AG_MAP_PPE BIT(2)
512 /* Infrasys subsystem config registers */
513 #define INFRA_MISC2 0x70c
514 #define CO_QPHY_SEL BIT(0)
515 #define GEPHY_MAC_SEL BIT(1)
517 /* Top misc registers */
518 #define USB_PHY_SWITCH_REG 0x218
519 #define QPHY_SEL_MASK GENMASK(1, 0)
520 #define SGMII_QPHY_SEL 0x2
522 /* MT7628/88 specific stuff */
523 #define MT7628_PDMA_OFFSET 0x0800
524 #define MT7628_SDM_OFFSET 0x0c00
526 #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00)
527 #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04)
528 #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08)
529 #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c)
530 #define MT7628_PST_DTX_IDX0 BIT(0)
532 #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c)
533 #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10)
535 /* Counter / stat register */
536 #define MT7628_SDM_TPCNT (MT7628_SDM_OFFSET + 0x100)
537 #define MT7628_SDM_TBCNT (MT7628_SDM_OFFSET + 0x104)
538 #define MT7628_SDM_RPCNT (MT7628_SDM_OFFSET + 0x108)
539 #define MT7628_SDM_RBCNT (MT7628_SDM_OFFSET + 0x10c)
540 #define MT7628_SDM_CS_ERR (MT7628_SDM_OFFSET + 0x110)
542 #define MTK_FE_CDM1_FSM 0x220
543 #define MTK_FE_CDM2_FSM 0x224
544 #define MTK_FE_CDM3_FSM 0x238
545 #define MTK_FE_CDM4_FSM 0x298
546 #define MTK_FE_CDM5_FSM 0x318
547 #define MTK_FE_CDM6_FSM 0x328
548 #define MTK_FE_GDM1_FSM 0x228
549 #define MTK_FE_GDM2_FSM 0x22C
551 #define MTK_MAC_FSM(x) (0x1010C + ((x) * 0x100))
558 } __packed __aligned(4);
560 struct mtk_rx_dma_v2 {
569 } __packed __aligned(4);
576 } __packed __aligned(4);
578 struct mtk_tx_dma_v2 {
587 } __packed __aligned(4);
592 struct mtk_xdp_stats {
597 u64 rx_xdp_tx_errors;
599 u64 tx_xdp_xmit_errors;
602 /* struct mtk_hw_stats - the structure that holds the traffic statistics.
603 * @stats_lock: make sure that stats operations are atomic
604 * @reg_offset: the status register offset of the SoC
605 * @syncp: the refcount
607 * All of the supported SoCs have hardware counters for traffic statistics.
608 * Whenever the status IRQ triggers we can read the latest stats from these
609 * counters and store them in this struct.
611 struct mtk_hw_stats {
622 u64 rx_checksum_errors;
623 u64 rx_flow_control_packets;
625 struct mtk_xdp_stats xdp_stats;
627 spinlock_t stats_lock;
629 struct u64_stats_sync syncp;
633 /* PDMA descriptor can point at 1-2 segments. This enum allows us to
634 * track how memory was allocated so that it can be freed properly.
636 MTK_TX_FLAGS_SINGLE0 = 0x01,
637 MTK_TX_FLAGS_PAGE0 = 0x02,
639 /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted
640 * SKB out instead of looking up through hardware TX descriptor.
642 MTK_TX_FLAGS_FPORT0 = 0x04,
643 MTK_TX_FLAGS_FPORT1 = 0x08,
646 /* This enum allows us to identify how the clock is defined on the array of the
658 MTK_CLK_SGMII_TX_250M,
659 MTK_CLK_SGMII_RX_250M,
660 MTK_CLK_SGMII_CDR_REF,
661 MTK_CLK_SGMII_CDR_FB,
662 MTK_CLK_SGMII2_TX_250M,
663 MTK_CLK_SGMII2_RX_250M,
664 MTK_CLK_SGMII2_CDR_REF,
665 MTK_CLK_SGMII2_CDR_FB,
675 #define MT7623_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
676 BIT(MTK_CLK_GP1) | BIT(MTK_CLK_GP2) | \
678 #define MT7622_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
679 BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \
681 BIT(MTK_CLK_SGMII_TX_250M) | \
682 BIT(MTK_CLK_SGMII_RX_250M) | \
683 BIT(MTK_CLK_SGMII_CDR_REF) | \
684 BIT(MTK_CLK_SGMII_CDR_FB) | \
685 BIT(MTK_CLK_SGMII_CK) | \
686 BIT(MTK_CLK_ETH2PLL))
687 #define MT7621_CLKS_BITMAP (0)
688 #define MT7628_CLKS_BITMAP (0)
689 #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
690 BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \
691 BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \
692 BIT(MTK_CLK_SGMII_TX_250M) | \
693 BIT(MTK_CLK_SGMII_RX_250M) | \
694 BIT(MTK_CLK_SGMII_CDR_REF) | \
695 BIT(MTK_CLK_SGMII_CDR_FB) | \
696 BIT(MTK_CLK_SGMII2_TX_250M) | \
697 BIT(MTK_CLK_SGMII2_RX_250M) | \
698 BIT(MTK_CLK_SGMII2_CDR_REF) | \
699 BIT(MTK_CLK_SGMII2_CDR_FB) | \
700 BIT(MTK_CLK_SGMII_CK) | \
701 BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP))
702 #define MT7981_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \
703 BIT(MTK_CLK_WOCPU0) | \
704 BIT(MTK_CLK_SGMII_TX_250M) | \
705 BIT(MTK_CLK_SGMII_RX_250M) | \
706 BIT(MTK_CLK_SGMII_CDR_REF) | \
707 BIT(MTK_CLK_SGMII_CDR_FB) | \
708 BIT(MTK_CLK_SGMII2_TX_250M) | \
709 BIT(MTK_CLK_SGMII2_RX_250M) | \
710 BIT(MTK_CLK_SGMII2_CDR_REF) | \
711 BIT(MTK_CLK_SGMII2_CDR_FB) | \
712 BIT(MTK_CLK_SGMII_CK))
713 #define MT7986_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \
714 BIT(MTK_CLK_WOCPU1) | BIT(MTK_CLK_WOCPU0) | \
715 BIT(MTK_CLK_SGMII_TX_250M) | \
716 BIT(MTK_CLK_SGMII_RX_250M) | \
717 BIT(MTK_CLK_SGMII_CDR_REF) | \
718 BIT(MTK_CLK_SGMII_CDR_FB) | \
719 BIT(MTK_CLK_SGMII2_TX_250M) | \
720 BIT(MTK_CLK_SGMII2_RX_250M) | \
721 BIT(MTK_CLK_SGMII2_CDR_REF) | \
722 BIT(MTK_CLK_SGMII2_CDR_FB))
729 enum mtk_tx_buf_type {
735 /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at
736 * by the TX descriptor s
737 * @skb: The SKB pointer of the packet being sent
738 * @dma_addr0: The base addr of the first segment
739 * @dma_len0: The length of the first segment
740 * @dma_addr1: The base addr of the second segment
741 * @dma_len1: The length of the second segment
744 enum mtk_tx_buf_type type;
748 DEFINE_DMA_UNMAP_ADDR(dma_addr0);
749 DEFINE_DMA_UNMAP_LEN(dma_len0);
750 DEFINE_DMA_UNMAP_ADDR(dma_addr1);
751 DEFINE_DMA_UNMAP_LEN(dma_len1);
754 /* struct mtk_tx_ring - This struct holds info describing a TX ring
755 * @dma: The descriptor ring
756 * @buf: The memory pointed at by the ring
757 * @phys: The physical addr of tx_buf
758 * @next_free: Pointer to the next free descriptor
759 * @last_free: Pointer to the last free descriptor
760 * @last_free_ptr: Hardware pointer value of the last free descriptor
761 * @thresh: The threshold of minimum amount of free descriptors
762 * @free_count: QDMA uses a linked list. Track how many free descriptors
767 struct mtk_tx_buf *buf;
769 struct mtk_tx_dma *next_free;
770 struct mtk_tx_dma *last_free;
775 struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */
776 dma_addr_t phys_pdma;
780 /* PDMA rx ring mode */
782 MTK_RX_FLAGS_NORMAL = 0,
787 /* struct mtk_rx_ring - This struct holds info describing a RX ring
788 * @dma: The descriptor ring
789 * @data: The memory pointed at by the ring
790 * @phys: The physical addr of rx_buf
791 * @frag_size: How big can each fragment be
792 * @buf_size: The size of each packet buffer
793 * @calc_idx: The current head of ring
802 bool calc_idx_update;
806 struct page_pool *page_pool;
807 struct xdp_rxq_info xdp_q;
810 enum mkt_eth_capabilities {
818 MTK_SHARED_SGMII_BIT,
821 MTK_TRGMII_MT7621_CLK_BIT,
825 MTK_RSTCTRL_PPE1_BIT,
829 MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT,
830 MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT,
831 MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT,
832 MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT,
833 MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT,
836 MTK_ETH_PATH_GMAC1_RGMII_BIT,
837 MTK_ETH_PATH_GMAC1_TRGMII_BIT,
838 MTK_ETH_PATH_GMAC1_SGMII_BIT,
839 MTK_ETH_PATH_GMAC2_RGMII_BIT,
840 MTK_ETH_PATH_GMAC2_SGMII_BIT,
841 MTK_ETH_PATH_GMAC2_GEPHY_BIT,
842 MTK_ETH_PATH_GDM1_ESW_BIT,
845 /* Supported hardware group on SoCs */
846 #define MTK_RGMII BIT(MTK_RGMII_BIT)
847 #define MTK_TRGMII BIT(MTK_TRGMII_BIT)
848 #define MTK_SGMII BIT(MTK_SGMII_BIT)
849 #define MTK_ESW BIT(MTK_ESW_BIT)
850 #define MTK_GEPHY BIT(MTK_GEPHY_BIT)
851 #define MTK_MUX BIT(MTK_MUX_BIT)
852 #define MTK_INFRA BIT(MTK_INFRA_BIT)
853 #define MTK_SHARED_SGMII BIT(MTK_SHARED_SGMII_BIT)
854 #define MTK_HWLRO BIT(MTK_HWLRO_BIT)
855 #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT)
856 #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT)
857 #define MTK_QDMA BIT(MTK_QDMA_BIT)
858 #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT)
859 #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT)
860 #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT)
861 #define MTK_U3_COPHY_V2 BIT(MTK_U3_COPHY_V2_BIT)
863 #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \
864 BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT)
865 #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \
866 BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT)
867 #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \
868 BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT)
869 #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
870 BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT)
871 #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \
872 BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT)
874 /* Supported path present on SoCs */
875 #define MTK_ETH_PATH_GMAC1_RGMII BIT(MTK_ETH_PATH_GMAC1_RGMII_BIT)
876 #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT)
877 #define MTK_ETH_PATH_GMAC1_SGMII BIT(MTK_ETH_PATH_GMAC1_SGMII_BIT)
878 #define MTK_ETH_PATH_GMAC2_RGMII BIT(MTK_ETH_PATH_GMAC2_RGMII_BIT)
879 #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT)
880 #define MTK_ETH_PATH_GMAC2_GEPHY BIT(MTK_ETH_PATH_GMAC2_GEPHY_BIT)
881 #define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT)
883 #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII)
884 #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII)
885 #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII)
886 #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII)
887 #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII)
888 #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY)
889 #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW)
891 /* MUXes present on SoCs */
892 /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */
893 #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX)
895 /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */
896 #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \
897 (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA)
899 /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */
900 #define MTK_MUX_U3_GMAC2_TO_QPHY \
901 (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA)
903 /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */
904 #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
905 (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \
908 /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */
909 #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \
910 (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
912 #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x))
914 #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
915 MTK_GMAC2_RGMII | MTK_SHARED_INT | \
916 MTK_TRGMII_MT7621_CLK | MTK_QDMA)
918 #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \
919 MTK_GMAC2_SGMII | MTK_GDM1_ESW | \
920 MTK_MUX_GDM1_TO_GMAC1_ESW | \
921 MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA)
923 #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \
926 #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628)
928 #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
929 MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \
930 MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \
931 MTK_MUX_U3_GMAC2_TO_QPHY | \
932 MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA)
934 #define MT7981_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
935 MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
936 MTK_MUX_U3_GMAC2_TO_QPHY | MTK_U3_COPHY_V2 | \
937 MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1)
939 #define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \
940 MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
941 MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1)
943 struct mtk_tx_dma_desc_info {
959 u32 rx_ptr; /* rx base pointer */
960 u32 rx_cnt_cfg; /* rx max count configuration */
961 u32 pcrx_ptr; /* rx cpu pointer */
962 u32 glo_cfg; /* global configuration */
963 u32 rst_idx; /* reset index */
964 u32 delay_irq; /* delay interrupt */
965 u32 irq_status; /* interrupt status */
966 u32 irq_mask; /* interrupt mask */
971 u32 qtx_cfg; /* tx queue configuration */
972 u32 qtx_sch; /* tx queue scheduler configuration */
973 u32 rx_ptr; /* rx base pointer */
974 u32 rx_cnt_cfg; /* rx max count configuration */
975 u32 qcrx_ptr; /* rx cpu pointer */
976 u32 glo_cfg; /* global configuration */
977 u32 rst_idx; /* reset index */
978 u32 delay_irq; /* delay interrupt */
979 u32 fc_th; /* flow control */
981 u32 hred; /* interrupt mask */
982 u32 ctx_ptr; /* tx acquire cpu pointer */
983 u32 dtx_ptr; /* tx acquire dma pointer */
984 u32 crx_ptr; /* tx release cpu pointer */
985 u32 drx_ptr; /* tx release dma pointer */
986 u32 fq_head; /* fq head pointer */
987 u32 fq_tail; /* fq tail pointer */
988 u32 fq_count; /* fq free page count */
989 u32 fq_blen; /* fq free page buffer length */
990 u32 tx_sch_rate; /* tx scheduler rate control registers */
1000 /* struct mtk_eth_data - This is the structure holding all differences
1001 * among various plaforms
1002 * @reg_map Soc register map.
1003 * @ana_rgc3: The offset for register ANA_RGC3 related to
1005 * @caps Flags shown the extra capability for the SoC
1006 * @hw_features Flags shown HW features
1007 * @required_clks Flags shown the bitmap for required clocks on
1009 * @required_pctl A bool value to show whether the SoC requires
1010 * the extra setup for those pins used by GMAC.
1011 * @hash_offset Flow table hash offset.
1012 * @foe_entry_size Foe table entry size.
1013 * @has_accounting Bool indicating support for accounting of
1015 * @txd_size Tx DMA descriptor size.
1016 * @rxd_size Rx DMA descriptor size.
1017 * @rx_irq_done_mask Rx irq done register mask.
1018 * @rx_dma_l4_valid Rx DMA valid register mask.
1019 * @dma_max_len Max DMA tx/rx buffer length.
1020 * @dma_len_offset Tx/Rx DMA length field offset.
1022 struct mtk_soc_data {
1023 const struct mtk_reg_map *reg_map;
1031 netdev_features_t hw_features;
1032 bool has_accounting;
1036 u32 rx_irq_done_mask;
1037 u32 rx_dma_l4_valid;
1043 #define MTK_DMA_MONITOR_TIMEOUT msecs_to_jiffies(1000)
1045 /* currently no SoC has more than 2 macs */
1046 #define MTK_MAX_DEVS 2
1048 /* struct mtk_eth - This is the main datasructure for holding the state
1050 * @dev: The device pointer
1051 * @dev: The device pointer used for dma mapping/alloc
1052 * @base: The mapped register i/o base
1053 * @page_lock: Make sure that register operations are atomic
1054 * @tx_irq__lock: Make sure that IRQ register operations are atomic
1055 * @rx_irq__lock: Make sure that IRQ register operations are atomic
1056 * @dim_lock: Make sure that Net DIM operations are atomic
1057 * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a
1058 * dummy for NAPI to work
1059 * @netdev: The netdev instances
1060 * @mac: Each netdev is linked to a physical MAC
1061 * @irq: The IRQ that we are using
1062 * @msg_enable: Ethtool msg level
1063 * @ethsys: The register map pointing at the range used to setup
1065 * @infra: The register map pointing at the range used to setup
1066 * SGMII and GePHY path
1067 * @sgmii_pcs: Pointers to mtk-pcs-lynxi phylink_pcs instances
1068 * @pctl: The register map pointing at the range used to setup
1069 * GMAC port drive/slew values
1070 * @dma_refcnt: track how many netdevs are using the DMA engine
1071 * @tx_ring: Pointer to the memory holding info about the TX ring
1072 * @rx_ring: Pointer to the memory holding info about the RX ring
1073 * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring
1074 * @tx_napi: The TX NAPI struct
1075 * @rx_napi: The RX NAPI struct
1076 * @rx_events: Net DIM RX event counter
1077 * @rx_packets: Net DIM RX packet counter
1078 * @rx_bytes: Net DIM RX byte counter
1079 * @rx_dim: Net DIM RX context
1080 * @tx_events: Net DIM TX event counter
1081 * @tx_packets: Net DIM TX packet counter
1082 * @tx_bytes: Net DIM TX byte counter
1083 * @tx_dim: Net DIM TX context
1084 * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring
1085 * @phy_scratch_ring: physical address of scratch_ring
1086 * @scratch_head: The scratch memory that scratch_ring points to.
1087 * @clks: clock array for all clocks required
1088 * @mii_bus: If there is a bus we need to create an instance for it
1089 * @pending_work: The workqueue used to reset the dma ring
1090 * @state: Initialization and runtime state of the device
1091 * @soc: Holding specific data among vaious SoCs
1096 struct device *dma_dev;
1098 spinlock_t page_lock;
1099 spinlock_t tx_irq_lock;
1100 spinlock_t rx_irq_lock;
1101 struct net_device dummy_dev;
1102 struct net_device *netdev[MTK_MAX_DEVS];
1103 struct mtk_mac *mac[MTK_MAX_DEVS];
1106 unsigned long sysclk;
1107 struct regmap *ethsys;
1108 struct regmap *infra;
1109 struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS];
1110 struct regmap *pctl;
1112 refcount_t dma_refcnt;
1113 struct mtk_tx_ring tx_ring;
1114 struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM];
1115 struct mtk_rx_ring rx_ring_qdma;
1116 struct napi_struct tx_napi;
1117 struct napi_struct rx_napi;
1119 dma_addr_t phy_scratch_ring;
1121 struct clk *clks[MTK_CLK_MAX];
1123 struct mii_bus *mii_bus;
1124 struct work_struct pending_work;
1125 unsigned long state;
1127 const struct mtk_soc_data *soc;
1129 spinlock_t dim_lock;
1143 struct metadata_dst *dsa_meta[MTK_MAX_DSA_PORTS];
1145 struct mtk_ppe *ppe[2];
1146 struct rhashtable flow_table;
1148 struct bpf_prog __rcu *prog;
1151 struct delayed_work monitor_work;
1159 /* struct mtk_mac - the structure that holds the info about the MACs of the
1161 * @id: The number of the MAC
1162 * @interface: Interface mode kept for detecting change in hw settings
1163 * @of_node: Our devicetree node
1164 * @hw: Backpointer to our main datastruture
1165 * @hw_stats: Packet statistics counter
1169 phy_interface_t interface;
1171 struct device_node *of_node;
1172 struct phylink *phylink;
1173 struct phylink_config phylink_config;
1175 struct mtk_hw_stats *hw_stats;
1176 __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT];
1178 unsigned int syscfg0;
1179 struct notifier_block device_notifier;
1182 /* the struct describing the SoC. these are declared in the soc_xyz.c files */
1183 extern const struct of_device_id of_mtk_match[];
1185 static inline struct mtk_foe_entry *
1186 mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash)
1188 const struct mtk_soc_data *soc = ppe->eth->soc;
1190 return ppe->foe_table + hash * soc->foe_entry_size;
1193 static inline u32 mtk_get_ib1_ts_mask(struct mtk_eth *eth)
1195 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1196 return MTK_FOE_IB1_BIND_TIMESTAMP_V2;
1198 return MTK_FOE_IB1_BIND_TIMESTAMP;
1201 static inline u32 mtk_get_ib1_ppoe_mask(struct mtk_eth *eth)
1203 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1204 return MTK_FOE_IB1_BIND_PPPOE_V2;
1206 return MTK_FOE_IB1_BIND_PPPOE;
1209 static inline u32 mtk_get_ib1_vlan_tag_mask(struct mtk_eth *eth)
1211 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1212 return MTK_FOE_IB1_BIND_VLAN_TAG_V2;
1214 return MTK_FOE_IB1_BIND_VLAN_TAG;
1217 static inline u32 mtk_get_ib1_vlan_layer_mask(struct mtk_eth *eth)
1219 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1220 return MTK_FOE_IB1_BIND_VLAN_LAYER_V2;
1222 return MTK_FOE_IB1_BIND_VLAN_LAYER;
1225 static inline u32 mtk_prep_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1227 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1228 return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1230 return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1233 static inline u32 mtk_get_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1235 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1236 return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1238 return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1241 static inline u32 mtk_get_ib1_pkt_type_mask(struct mtk_eth *eth)
1243 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1244 return MTK_FOE_IB1_PACKET_TYPE_V2;
1246 return MTK_FOE_IB1_PACKET_TYPE;
1249 static inline u32 mtk_get_ib1_pkt_type(struct mtk_eth *eth, u32 val)
1251 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1252 return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE_V2, val);
1254 return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, val);
1257 static inline u32 mtk_get_ib2_multicast_mask(struct mtk_eth *eth)
1259 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1260 return MTK_FOE_IB2_MULTICAST_V2;
1262 return MTK_FOE_IB2_MULTICAST;
1265 /* read the hardware status register */
1266 void mtk_stats_update_mac(struct mtk_mac *mac);
1268 void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
1269 u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
1271 int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id);
1272 int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id);
1273 int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id);
1275 int mtk_eth_offload_init(struct mtk_eth *eth);
1276 int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
1278 int mtk_flow_offload_cmd(struct mtk_eth *eth, struct flow_cls_offload *cls,
1280 void mtk_flow_offload_cleanup(struct mtk_eth *eth, struct list_head *list);
1281 void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev);
1284 #endif /* MTK_ETH_H */