1 /* SPDX-License-Identifier: GPL-2.0-only */
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_QDMA_PAGE_SIZE 2048
26 #define MTK_MAX_RX_LENGTH 1536
27 #define MTK_MAX_RX_LENGTH_2K 2048
28 #define MTK_TX_DMA_BUF_LEN 0x3fff
29 #define MTK_TX_DMA_BUF_LEN_V2 0xffff
30 #define MTK_DMA_SIZE 512
31 #define MTK_MAC_COUNT 2
32 #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN)
33 #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN)
34 #define MTK_DMA_DUMMY_DESC 0xffffffff
35 #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \
43 #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \
45 NETIF_F_HW_VLAN_CTAG_TX | \
46 NETIF_F_HW_VLAN_CTAG_RX | \
47 NETIF_F_SG | NETIF_F_TSO | \
51 #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM)
52 #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1))
54 #define MTK_PP_HEADROOM XDP_PACKET_HEADROOM
55 #define MTK_PP_PAD (MTK_PP_HEADROOM + \
56 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
57 #define MTK_PP_MAX_BUF_SIZE (PAGE_SIZE - MTK_PP_PAD)
59 #define MTK_QRX_OFFSET 0x10
61 #define MTK_MAX_RX_RING_NUM 4
62 #define MTK_HW_LRO_DMA_SIZE 8
64 #define MTK_MAX_LRO_RX_LENGTH (4096 * 3)
65 #define MTK_MAX_LRO_IP_CNT 2
66 #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */
67 #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */
68 #define MTK_HW_LRO_AGG_TIME 10 /* 200us */
69 #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */
70 #define MTK_HW_LRO_MAX_AGG_CNT 64
71 #define MTK_HW_LRO_BW_THRE 3000
72 #define MTK_HW_LRO_REPLACE_DELTA 1000
73 #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522
75 /* Frame Engine Global Reset Register */
76 #define MTK_RST_GL 0x04
77 #define RST_GL_PSE BIT(0)
79 /* Frame Engine Interrupt Status Register */
80 #define MTK_INT_STATUS2 0x08
81 #define MTK_GDM1_AF BIT(28)
82 #define MTK_GDM2_AF BIT(29)
84 /* PDMA HW LRO Alter Flow Timer Register */
85 #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c
87 /* Frame Engine Interrupt Grouping Register */
88 #define MTK_FE_INT_GRP 0x20
90 /* CDMP Ingress Control Register */
91 #define MTK_CDMQ_IG_CTRL 0x1400
92 #define MTK_CDMQ_STAG_EN BIT(0)
94 /* CDMP Ingress Control Register */
95 #define MTK_CDMP_IG_CTRL 0x400
96 #define MTK_CDMP_STAG_EN BIT(0)
98 /* CDMP Exgress Control Register */
99 #define MTK_CDMP_EG_CTRL 0x404
101 /* GDM Exgress Control Register */
102 #define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000))
103 #define MTK_GDMA_SPECIAL_TAG BIT(24)
104 #define MTK_GDMA_ICS_EN BIT(22)
105 #define MTK_GDMA_TCS_EN BIT(21)
106 #define MTK_GDMA_UCS_EN BIT(20)
107 #define MTK_GDMA_TO_PDMA 0x0
108 #define MTK_GDMA_DROP_ALL 0x7777
110 /* Unicast Filter MAC Address Register - Low */
111 #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000))
113 /* Unicast Filter MAC Address Register - High */
114 #define MTK_GDMA_MAC_ADRH(x) (0x50C + (x * 0x1000))
116 /* FE global misc reg*/
117 #define MTK_FE_GLO_MISC 0x124
119 /* PSE Free Queue Flow Control */
120 #define PSE_FQFC_CFG1 0x100
121 #define PSE_FQFC_CFG2 0x104
122 #define PSE_DROP_CFG 0x108
124 /* PSE Input Queue Reservation Register*/
125 #define PSE_IQ_REV(x) (0x140 + (((x) - 1) << 2))
127 /* PSE Output Queue Threshold Register*/
128 #define PSE_OQ_TH(x) (0x160 + (((x) - 1) << 2))
130 /* GDM and CDM Threshold */
131 #define MTK_GDM2_THRES 0x1530
132 #define MTK_CDMW0_THRES 0x164c
133 #define MTK_CDMW1_THRES 0x1650
134 #define MTK_CDME0_THRES 0x1654
135 #define MTK_CDME1_THRES 0x1658
136 #define MTK_CDMM_THRES 0x165c
138 /* PDMA HW LRO Control Registers */
139 #define MTK_PDMA_LRO_CTRL_DW0 0x980
140 #define MTK_LRO_EN BIT(0)
141 #define MTK_L3_CKS_UPD_EN BIT(7)
142 #define MTK_L3_CKS_UPD_EN_V2 BIT(19)
143 #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21)
144 #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26)
145 #define MTK_LRO_RING_RELINQUISH_REQ_V2 (0xf << 24)
146 #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29)
147 #define MTK_LRO_RING_RELINQUISH_DONE_V2 (0xf << 28)
149 #define MTK_PDMA_LRO_CTRL_DW1 0x984
150 #define MTK_PDMA_LRO_CTRL_DW2 0x988
151 #define MTK_PDMA_LRO_CTRL_DW3 0x98c
152 #define MTK_ADMA_MODE BIT(15)
153 #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16)
155 #define MTK_RX_DMA_LRO_EN BIT(8)
156 #define MTK_MULTI_EN BIT(10)
157 #define MTK_PDMA_SIZE_8DWORDS (1 << 4)
159 /* PDMA Global Configuration Register */
160 #define MTK_PDMA_LRO_SDL 0x3000
161 #define MTK_RX_CFG_SDL_OFFSET 16
163 /* PDMA Reset Index Register */
164 #define MTK_PST_DRX_IDX0 BIT(16)
165 #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x))
167 /* PDMA Delay Interrupt Register */
168 #define MTK_PDMA_DELAY_RX_MASK GENMASK(15, 0)
169 #define MTK_PDMA_DELAY_RX_EN BIT(15)
170 #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8
171 #define MTK_PDMA_DELAY_RX_PTIME_SHIFT 0
173 #define MTK_PDMA_DELAY_TX_MASK GENMASK(31, 16)
174 #define MTK_PDMA_DELAY_TX_EN BIT(31)
175 #define MTK_PDMA_DELAY_TX_PINT_SHIFT 24
176 #define MTK_PDMA_DELAY_TX_PTIME_SHIFT 16
178 #define MTK_PDMA_DELAY_PINT_MASK 0x7f
179 #define MTK_PDMA_DELAY_PTIME_MASK 0xff
181 /* PDMA HW LRO Alter Flow Delta Register */
182 #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c
184 /* PDMA HW LRO IP Setting Registers */
185 #define MTK_LRO_RX_RING0_DIP_DW0 0xb04
186 #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40))
187 #define MTK_RING_MYIP_VLD BIT(9)
189 /* PDMA HW LRO Ring Control Registers */
190 #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28
191 #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c
192 #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30
193 #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40))
194 #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40))
195 #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40))
196 #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22)
197 #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f)
198 #define MTK_RING_AUTO_LERAN_MODE (3 << 6)
199 #define MTK_RING_VLD BIT(8)
200 #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10)
201 #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26)
202 #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3)
204 /* QDMA TX Queue Configuration Registers */
205 #define QDMA_RES_THRES 4
207 /* QDMA Global Configuration Register */
208 #define MTK_RX_2B_OFFSET BIT(31)
209 #define MTK_RX_BT_32DWORDS (3 << 11)
210 #define MTK_NDP_CO_PRO BIT(10)
211 #define MTK_TX_WB_DDONE BIT(6)
212 #define MTK_TX_BT_32DWORDS (3 << 4)
213 #define MTK_RX_DMA_BUSY BIT(3)
214 #define MTK_TX_DMA_BUSY BIT(1)
215 #define MTK_RX_DMA_EN BIT(2)
216 #define MTK_TX_DMA_EN BIT(0)
217 #define MTK_DMA_BUSY_TIMEOUT_US 1000000
219 /* QDMA V2 Global Configuration Register */
220 #define MTK_CHK_DDONE_EN BIT(28)
221 #define MTK_DMAD_WR_WDONE BIT(26)
222 #define MTK_WCOMP_EN BIT(24)
223 #define MTK_RESV_BUF (0x40 << 16)
224 #define MTK_MUTLI_CNT (0x4 << 12)
226 /* QDMA Flow Control Register */
227 #define FC_THRES_DROP_MODE BIT(20)
228 #define FC_THRES_DROP_EN (7 << 16)
229 #define FC_THRES_MIN 0x4444
231 /* QDMA Interrupt Status Register */
232 #define MTK_RX_DONE_DLY BIT(30)
233 #define MTK_TX_DONE_DLY BIT(28)
234 #define MTK_RX_DONE_INT3 BIT(19)
235 #define MTK_RX_DONE_INT2 BIT(18)
236 #define MTK_RX_DONE_INT1 BIT(17)
237 #define MTK_RX_DONE_INT0 BIT(16)
238 #define MTK_TX_DONE_INT3 BIT(3)
239 #define MTK_TX_DONE_INT2 BIT(2)
240 #define MTK_TX_DONE_INT1 BIT(1)
241 #define MTK_TX_DONE_INT0 BIT(0)
242 #define MTK_RX_DONE_INT MTK_RX_DONE_DLY
243 #define MTK_TX_DONE_INT MTK_TX_DONE_DLY
245 #define MTK_RX_DONE_INT_V2 BIT(14)
247 /* QDMA Interrupt grouping registers */
248 #define MTK_RLS_DONE_INT BIT(0)
250 #define MTK_STAT_OFFSET 0x40
253 #define MTK_QDMA_TX_NUM 16
254 #define MTK_QDMA_TX_MASK (MTK_QDMA_TX_NUM - 1)
255 #define QID_BITS_V2(x) (((x) & 0x3f) << 16)
256 #define MTK_QDMA_GMAC2_QID 8
258 #define MTK_TX_DMA_BUF_SHIFT 8
260 /* QDMA V2 descriptor txd6 */
261 #define TX_DMA_INS_VLAN_V2 BIT(16)
262 /* QDMA V2 descriptor txd5 */
263 #define TX_DMA_CHKSUM_V2 (0x7 << 28)
264 #define TX_DMA_TSO_V2 BIT(31)
266 /* QDMA V2 descriptor txd4 */
267 #define TX_DMA_FPORT_SHIFT_V2 8
268 #define TX_DMA_FPORT_MASK_V2 0xf
269 #define TX_DMA_SWC_V2 BIT(30)
271 /* QDMA descriptor txd4 */
272 #define TX_DMA_CHKSUM (0x7 << 29)
273 #define TX_DMA_TSO BIT(28)
274 #define TX_DMA_FPORT_SHIFT 25
275 #define TX_DMA_FPORT_MASK 0x7
276 #define TX_DMA_INS_VLAN BIT(16)
278 /* QDMA descriptor txd3 */
279 #define TX_DMA_OWNER_CPU BIT(31)
280 #define TX_DMA_LS0 BIT(30)
281 #define TX_DMA_PLEN0(x) (((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
282 #define TX_DMA_PLEN1(x) ((x) & eth->soc->txrx.dma_max_len)
283 #define TX_DMA_SWC BIT(14)
286 #define TX_DMA_DONE BIT(31)
287 #define TX_DMA_LS1 BIT(14)
288 #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE)
290 /* QDMA descriptor rxd2 */
291 #define RX_DMA_DONE BIT(31)
292 #define RX_DMA_LSO BIT(30)
293 #define RX_DMA_PREP_PLEN0(x) (((x) & eth->soc->txrx.dma_max_len) << eth->soc->txrx.dma_len_offset)
294 #define RX_DMA_GET_PLEN0(x) (((x) >> eth->soc->txrx.dma_len_offset) & eth->soc->txrx.dma_max_len)
295 #define RX_DMA_VTAG BIT(15)
297 /* QDMA descriptor rxd3 */
298 #define RX_DMA_VID(x) ((x) & VLAN_VID_MASK)
299 #define RX_DMA_TCI(x) ((x) & (VLAN_PRIO_MASK | VLAN_VID_MASK))
300 #define RX_DMA_VPID(x) (((x) >> 16) & 0xffff)
302 /* QDMA descriptor rxd4 */
303 #define MTK_RXD4_FOE_ENTRY GENMASK(13, 0)
304 #define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14)
305 #define MTK_RXD4_SRC_PORT GENMASK(21, 19)
306 #define MTK_RXD4_ALG GENMASK(31, 22)
308 /* QDMA descriptor rxd4 */
309 #define RX_DMA_L4_VALID BIT(24)
310 #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */
311 #define RX_DMA_SPECIAL_TAG BIT(22)
313 /* PDMA descriptor rxd5 */
314 #define MTK_RXD5_FOE_ENTRY GENMASK(14, 0)
315 #define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
316 #define MTK_RXD5_SRC_PORT GENMASK(29, 26)
318 #define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7)
319 #define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf)
321 /* PDMA V2 descriptor rxd3 */
322 #define RX_DMA_VTAG_V2 BIT(0)
323 #define RX_DMA_L4_VALID_V2 BIT(2)
325 /* PHY Indirect Access Control registers */
326 #define MTK_PHY_IAC 0x10004
327 #define PHY_IAC_ACCESS BIT(31)
328 #define PHY_IAC_REG_MASK GENMASK(29, 25)
329 #define PHY_IAC_REG(x) FIELD_PREP(PHY_IAC_REG_MASK, (x))
330 #define PHY_IAC_ADDR_MASK GENMASK(24, 20)
331 #define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x))
332 #define PHY_IAC_CMD_MASK GENMASK(19, 18)
333 #define PHY_IAC_CMD_C45_ADDR FIELD_PREP(PHY_IAC_CMD_MASK, 0)
334 #define PHY_IAC_CMD_WRITE FIELD_PREP(PHY_IAC_CMD_MASK, 1)
335 #define PHY_IAC_CMD_C22_READ FIELD_PREP(PHY_IAC_CMD_MASK, 2)
336 #define PHY_IAC_CMD_C45_READ FIELD_PREP(PHY_IAC_CMD_MASK, 3)
337 #define PHY_IAC_START_MASK GENMASK(17, 16)
338 #define PHY_IAC_START_C45 FIELD_PREP(PHY_IAC_START_MASK, 0)
339 #define PHY_IAC_START_C22 FIELD_PREP(PHY_IAC_START_MASK, 1)
340 #define PHY_IAC_DATA_MASK GENMASK(15, 0)
341 #define PHY_IAC_DATA(x) FIELD_PREP(PHY_IAC_DATA_MASK, (x))
342 #define PHY_IAC_TIMEOUT HZ
344 #define MTK_MAC_MISC 0x1000c
345 #define MTK_MUX_TO_ESW BIT(0)
347 /* Mac control registers */
348 #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100))
349 #define MAC_MCR_MAX_RX_MASK GENMASK(25, 24)
350 #define MAC_MCR_MAX_RX(_x) (MAC_MCR_MAX_RX_MASK & ((_x) << 24))
351 #define MAC_MCR_MAX_RX_1518 0x0
352 #define MAC_MCR_MAX_RX_1536 0x1
353 #define MAC_MCR_MAX_RX_1552 0x2
354 #define MAC_MCR_MAX_RX_2048 0x3
355 #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16))
356 #define MAC_MCR_FORCE_MODE BIT(15)
357 #define MAC_MCR_TX_EN BIT(14)
358 #define MAC_MCR_RX_EN BIT(13)
359 #define MAC_MCR_BACKOFF_EN BIT(9)
360 #define MAC_MCR_BACKPR_EN BIT(8)
361 #define MAC_MCR_FORCE_RX_FC BIT(5)
362 #define MAC_MCR_FORCE_TX_FC BIT(4)
363 #define MAC_MCR_SPEED_1000 BIT(3)
364 #define MAC_MCR_SPEED_100 BIT(2)
365 #define MAC_MCR_FORCE_DPX BIT(1)
366 #define MAC_MCR_FORCE_LINK BIT(0)
367 #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE)
369 /* Mac status registers */
370 #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100))
371 #define MAC_MSR_EEE1G BIT(7)
372 #define MAC_MSR_EEE100M BIT(6)
373 #define MAC_MSR_RX_FC BIT(5)
374 #define MAC_MSR_TX_FC BIT(4)
375 #define MAC_MSR_SPEED_1000 BIT(3)
376 #define MAC_MSR_SPEED_100 BIT(2)
377 #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)
378 #define MAC_MSR_DPX BIT(1)
379 #define MAC_MSR_LINK BIT(0)
381 /* TRGMII RXC control register */
382 #define TRGMII_RCK_CTRL 0x10300
383 #define DQSI0(x) ((x << 0) & GENMASK(6, 0))
384 #define DQSI1(x) ((x << 8) & GENMASK(14, 8))
385 #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16))
386 #define RXC_RST BIT(31)
387 #define RXC_DQSISEL BIT(30)
388 #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16))
389 #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2)
391 #define NUM_TRGMII_CTRL 5
393 /* TRGMII RXC control register */
394 #define TRGMII_TCK_CTRL 0x10340
395 #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16))
396 #define TXC_INV BIT(30)
397 #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2)
398 #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2))
400 /* TRGMII TX Drive Strength */
401 #define TRGMII_TD_ODT(i) (0x10354 + 8 * (i))
402 #define TD_DM_DRVP(x) ((x) & 0xf)
403 #define TD_DM_DRVN(x) (((x) & 0xf) << 4)
405 /* TRGMII Interface mode register */
406 #define INTF_MODE 0x10390
407 #define TRGMII_INTF_DIS BIT(0)
408 #define TRGMII_MODE BIT(1)
409 #define TRGMII_CENTRAL_ALIGNED BIT(2)
410 #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED)
411 #define INTF_MODE_RGMII_10_100 0
413 /* GPIO port control registers for GMAC 2*/
414 #define GPIO_OD33_CTRL8 0x4c0
415 #define GPIO_BIAS_CTRL 0xed0
416 #define GPIO_DRV_SEL10 0xf00
418 /* ethernet subsystem chip id register */
419 #define ETHSYS_CHIPID0_3 0x0
420 #define ETHSYS_CHIPID4_7 0x4
421 #define MT7623_ETH 7623
422 #define MT7622_ETH 7622
423 #define MT7621_ETH 7621
425 /* ethernet system control register */
426 #define ETHSYS_SYSCFG 0x10
427 #define SYSCFG_DRAM_TYPE_DDR2 BIT(4)
429 /* ethernet subsystem config register */
430 #define ETHSYS_SYSCFG0 0x14
431 #define SYSCFG0_GE_MASK 0x3
432 #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2)))
433 #define SYSCFG0_SGMII_MASK GENMASK(9, 8)
434 #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK)
435 #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK)
436 #define SYSCFG0_SGMII_GMAC1_V2 BIT(9)
437 #define SYSCFG0_SGMII_GMAC2_V2 BIT(8)
440 /* ethernet subsystem clock register */
441 #define ETHSYS_CLKCFG0 0x2c
442 #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
443 #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6))
444 #define ETHSYS_TRGMII_MT7621_APLL BIT(6)
445 #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5)
447 /* ethernet reset control register */
448 #define ETHSYS_RSTCTRL 0x34
449 #define RSTCTRL_FE BIT(6)
450 #define RSTCTRL_PPE BIT(31)
451 #define RSTCTRL_PPE1 BIT(30)
452 #define RSTCTRL_ETH BIT(23)
454 /* ethernet reset check idle register */
455 #define ETHSYS_FE_RST_CHK_IDLE_EN 0x28
457 /* ethernet reset control register */
458 #define ETHSYS_RSTCTRL 0x34
459 #define RSTCTRL_FE BIT(6)
460 #define RSTCTRL_PPE BIT(31)
462 /* ethernet dma channel agent map */
463 #define ETHSYS_DMA_AG_MAP 0x408
464 #define ETHSYS_DMA_AG_MAP_PDMA BIT(0)
465 #define ETHSYS_DMA_AG_MAP_QDMA BIT(1)
466 #define ETHSYS_DMA_AG_MAP_PPE BIT(2)
468 /* SGMII subsystem config registers */
469 /* Register to auto-negotiation restart */
470 #define SGMSYS_PCS_CONTROL_1 0x0
471 #define SGMII_AN_RESTART BIT(9)
472 #define SGMII_ISOLATE BIT(10)
473 #define SGMII_AN_ENABLE BIT(12)
474 #define SGMII_LINK_STATYS BIT(18)
475 #define SGMII_AN_ABILITY BIT(19)
476 #define SGMII_AN_COMPLETE BIT(21)
477 #define SGMII_PCS_FAULT BIT(23)
478 #define SGMII_AN_EXPANSION_CLR BIT(30)
480 /* Register to programmable link timer, the unit in 2 * 8ns */
481 #define SGMSYS_PCS_LINK_TIMER 0x18
482 #define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0))
484 /* Register to control remote fault */
485 #define SGMSYS_SGMII_MODE 0x20
486 #define SGMII_IF_MODE_BIT0 BIT(0)
487 #define SGMII_SPEED_DUPLEX_AN BIT(1)
488 #define SGMII_SPEED_MASK GENMASK(3, 2)
489 #define SGMII_SPEED_10 FIELD_PREP(SGMII_SPEED_MASK, 0)
490 #define SGMII_SPEED_100 FIELD_PREP(SGMII_SPEED_MASK, 1)
491 #define SGMII_SPEED_1000 FIELD_PREP(SGMII_SPEED_MASK, 2)
492 #define SGMII_DUPLEX_FULL BIT(4)
493 #define SGMII_IF_MODE_BIT5 BIT(5)
494 #define SGMII_REMOTE_FAULT_DIS BIT(8)
495 #define SGMII_CODE_SYNC_SET_VAL BIT(9)
496 #define SGMII_CODE_SYNC_SET_EN BIT(10)
497 #define SGMII_SEND_AN_ERROR_EN BIT(11)
498 #define SGMII_IF_MODE_MASK GENMASK(5, 1)
500 /* Register to set SGMII speed, ANA RG_ Control Signals III*/
501 #define SGMSYS_ANA_RG_CS3 0x2028
502 #define RG_PHY_SPEED_MASK (BIT(2) | BIT(3))
503 #define RG_PHY_SPEED_1_25G 0x0
504 #define RG_PHY_SPEED_3_125G BIT(2)
506 /* Register to power up QPHY */
507 #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8
508 #define SGMII_PHYA_PWD BIT(4)
510 /* Infrasys subsystem config registers */
511 #define INFRA_MISC2 0x70c
512 #define CO_QPHY_SEL BIT(0)
513 #define GEPHY_MAC_SEL BIT(1)
515 /* MT7628/88 specific stuff */
516 #define MT7628_PDMA_OFFSET 0x0800
517 #define MT7628_SDM_OFFSET 0x0c00
519 #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00)
520 #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04)
521 #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08)
522 #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c)
523 #define MT7628_PST_DTX_IDX0 BIT(0)
525 #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c)
526 #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10)
528 /* Counter / stat register */
529 #define MT7628_SDM_TPCNT (MT7628_SDM_OFFSET + 0x100)
530 #define MT7628_SDM_TBCNT (MT7628_SDM_OFFSET + 0x104)
531 #define MT7628_SDM_RPCNT (MT7628_SDM_OFFSET + 0x108)
532 #define MT7628_SDM_RBCNT (MT7628_SDM_OFFSET + 0x10c)
533 #define MT7628_SDM_CS_ERR (MT7628_SDM_OFFSET + 0x110)
540 } __packed __aligned(4);
542 struct mtk_rx_dma_v2 {
551 } __packed __aligned(4);
558 } __packed __aligned(4);
560 struct mtk_tx_dma_v2 {
569 } __packed __aligned(4);
574 struct mtk_xdp_stats {
579 u64 rx_xdp_tx_errors;
581 u64 tx_xdp_xmit_errors;
584 /* struct mtk_hw_stats - the structure that holds the traffic statistics.
585 * @stats_lock: make sure that stats operations are atomic
586 * @reg_offset: the status register offset of the SoC
587 * @syncp: the refcount
589 * All of the supported SoCs have hardware counters for traffic statistics.
590 * Whenever the status IRQ triggers we can read the latest stats from these
591 * counters and store them in this struct.
593 struct mtk_hw_stats {
604 u64 rx_checksum_errors;
605 u64 rx_flow_control_packets;
607 struct mtk_xdp_stats xdp_stats;
609 spinlock_t stats_lock;
611 struct u64_stats_sync syncp;
615 /* PDMA descriptor can point at 1-2 segments. This enum allows us to
616 * track how memory was allocated so that it can be freed properly.
618 MTK_TX_FLAGS_SINGLE0 = 0x01,
619 MTK_TX_FLAGS_PAGE0 = 0x02,
621 /* MTK_TX_FLAGS_FPORTx allows tracking which port the transmitted
622 * SKB out instead of looking up through hardware TX descriptor.
624 MTK_TX_FLAGS_FPORT0 = 0x04,
625 MTK_TX_FLAGS_FPORT1 = 0x08,
628 /* This enum allows us to identify how the clock is defined on the array of the
640 MTK_CLK_SGMII_TX_250M,
641 MTK_CLK_SGMII_RX_250M,
642 MTK_CLK_SGMII_CDR_REF,
643 MTK_CLK_SGMII_CDR_FB,
644 MTK_CLK_SGMII2_TX_250M,
645 MTK_CLK_SGMII2_RX_250M,
646 MTK_CLK_SGMII2_CDR_REF,
647 MTK_CLK_SGMII2_CDR_FB,
657 #define MT7623_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
658 BIT(MTK_CLK_GP1) | BIT(MTK_CLK_GP2) | \
660 #define MT7622_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
661 BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \
663 BIT(MTK_CLK_SGMII_TX_250M) | \
664 BIT(MTK_CLK_SGMII_RX_250M) | \
665 BIT(MTK_CLK_SGMII_CDR_REF) | \
666 BIT(MTK_CLK_SGMII_CDR_FB) | \
667 BIT(MTK_CLK_SGMII_CK) | \
668 BIT(MTK_CLK_ETH2PLL))
669 #define MT7621_CLKS_BITMAP (0)
670 #define MT7628_CLKS_BITMAP (0)
671 #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \
672 BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \
673 BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \
674 BIT(MTK_CLK_SGMII_TX_250M) | \
675 BIT(MTK_CLK_SGMII_RX_250M) | \
676 BIT(MTK_CLK_SGMII_CDR_REF) | \
677 BIT(MTK_CLK_SGMII_CDR_FB) | \
678 BIT(MTK_CLK_SGMII2_TX_250M) | \
679 BIT(MTK_CLK_SGMII2_RX_250M) | \
680 BIT(MTK_CLK_SGMII2_CDR_REF) | \
681 BIT(MTK_CLK_SGMII2_CDR_FB) | \
682 BIT(MTK_CLK_SGMII_CK) | \
683 BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP))
684 #define MT7986_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \
685 BIT(MTK_CLK_WOCPU1) | BIT(MTK_CLK_WOCPU0) | \
686 BIT(MTK_CLK_SGMII_TX_250M) | \
687 BIT(MTK_CLK_SGMII_RX_250M) | \
688 BIT(MTK_CLK_SGMII_CDR_REF) | \
689 BIT(MTK_CLK_SGMII_CDR_FB) | \
690 BIT(MTK_CLK_SGMII2_TX_250M) | \
691 BIT(MTK_CLK_SGMII2_RX_250M) | \
692 BIT(MTK_CLK_SGMII2_CDR_REF) | \
693 BIT(MTK_CLK_SGMII2_CDR_FB))
700 enum mtk_tx_buf_type {
706 /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at
707 * by the TX descriptor s
708 * @skb: The SKB pointer of the packet being sent
709 * @dma_addr0: The base addr of the first segment
710 * @dma_len0: The length of the first segment
711 * @dma_addr1: The base addr of the second segment
712 * @dma_len1: The length of the second segment
715 enum mtk_tx_buf_type type;
719 DEFINE_DMA_UNMAP_ADDR(dma_addr0);
720 DEFINE_DMA_UNMAP_LEN(dma_len0);
721 DEFINE_DMA_UNMAP_ADDR(dma_addr1);
722 DEFINE_DMA_UNMAP_LEN(dma_len1);
725 /* struct mtk_tx_ring - This struct holds info describing a TX ring
726 * @dma: The descriptor ring
727 * @buf: The memory pointed at by the ring
728 * @phys: The physical addr of tx_buf
729 * @next_free: Pointer to the next free descriptor
730 * @last_free: Pointer to the last free descriptor
731 * @last_free_ptr: Hardware pointer value of the last free descriptor
732 * @thresh: The threshold of minimum amount of free descriptors
733 * @free_count: QDMA uses a linked list. Track how many free descriptors
738 struct mtk_tx_buf *buf;
740 struct mtk_tx_dma *next_free;
741 struct mtk_tx_dma *last_free;
746 struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */
747 dma_addr_t phys_pdma;
751 /* PDMA rx ring mode */
753 MTK_RX_FLAGS_NORMAL = 0,
758 /* struct mtk_rx_ring - This struct holds info describing a RX ring
759 * @dma: The descriptor ring
760 * @data: The memory pointed at by the ring
761 * @phys: The physical addr of rx_buf
762 * @frag_size: How big can each fragment be
763 * @buf_size: The size of each packet buffer
764 * @calc_idx: The current head of ring
773 bool calc_idx_update;
777 struct page_pool *page_pool;
778 struct xdp_rxq_info xdp_q;
781 enum mkt_eth_capabilities {
789 MTK_SHARED_SGMII_BIT,
792 MTK_TRGMII_MT7621_CLK_BIT,
796 MTK_RSTCTRL_PPE1_BIT,
799 MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT,
800 MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT,
801 MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT,
802 MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT,
803 MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT,
806 MTK_ETH_PATH_GMAC1_RGMII_BIT,
807 MTK_ETH_PATH_GMAC1_TRGMII_BIT,
808 MTK_ETH_PATH_GMAC1_SGMII_BIT,
809 MTK_ETH_PATH_GMAC2_RGMII_BIT,
810 MTK_ETH_PATH_GMAC2_SGMII_BIT,
811 MTK_ETH_PATH_GMAC2_GEPHY_BIT,
812 MTK_ETH_PATH_GDM1_ESW_BIT,
815 /* Supported hardware group on SoCs */
816 #define MTK_RGMII BIT(MTK_RGMII_BIT)
817 #define MTK_TRGMII BIT(MTK_TRGMII_BIT)
818 #define MTK_SGMII BIT(MTK_SGMII_BIT)
819 #define MTK_ESW BIT(MTK_ESW_BIT)
820 #define MTK_GEPHY BIT(MTK_GEPHY_BIT)
821 #define MTK_MUX BIT(MTK_MUX_BIT)
822 #define MTK_INFRA BIT(MTK_INFRA_BIT)
823 #define MTK_SHARED_SGMII BIT(MTK_SHARED_SGMII_BIT)
824 #define MTK_HWLRO BIT(MTK_HWLRO_BIT)
825 #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT)
826 #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT)
827 #define MTK_QDMA BIT(MTK_QDMA_BIT)
828 #define MTK_NETSYS_V2 BIT(MTK_NETSYS_V2_BIT)
829 #define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT)
830 #define MTK_RSTCTRL_PPE1 BIT(MTK_RSTCTRL_PPE1_BIT)
832 #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \
833 BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT)
834 #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \
835 BIT(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT)
836 #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \
837 BIT(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT)
838 #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
839 BIT(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT)
840 #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \
841 BIT(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT)
843 /* Supported path present on SoCs */
844 #define MTK_ETH_PATH_GMAC1_RGMII BIT(MTK_ETH_PATH_GMAC1_RGMII_BIT)
845 #define MTK_ETH_PATH_GMAC1_TRGMII BIT(MTK_ETH_PATH_GMAC1_TRGMII_BIT)
846 #define MTK_ETH_PATH_GMAC1_SGMII BIT(MTK_ETH_PATH_GMAC1_SGMII_BIT)
847 #define MTK_ETH_PATH_GMAC2_RGMII BIT(MTK_ETH_PATH_GMAC2_RGMII_BIT)
848 #define MTK_ETH_PATH_GMAC2_SGMII BIT(MTK_ETH_PATH_GMAC2_SGMII_BIT)
849 #define MTK_ETH_PATH_GMAC2_GEPHY BIT(MTK_ETH_PATH_GMAC2_GEPHY_BIT)
850 #define MTK_ETH_PATH_GDM1_ESW BIT(MTK_ETH_PATH_GDM1_ESW_BIT)
852 #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII)
853 #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII)
854 #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII)
855 #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII)
856 #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII)
857 #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY)
858 #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW)
860 /* MUXes present on SoCs */
861 /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */
862 #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX)
864 /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */
865 #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \
866 (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA)
868 /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */
869 #define MTK_MUX_U3_GMAC2_TO_QPHY \
870 (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA)
872 /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */
873 #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \
874 (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \
877 /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */
878 #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \
879 (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX)
881 #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x))
883 #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \
884 MTK_GMAC2_RGMII | MTK_SHARED_INT | \
885 MTK_TRGMII_MT7621_CLK | MTK_QDMA)
887 #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \
888 MTK_GMAC2_SGMII | MTK_GDM1_ESW | \
889 MTK_MUX_GDM1_TO_GMAC1_ESW | \
890 MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA)
892 #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \
895 #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628)
897 #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \
898 MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \
899 MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \
900 MTK_MUX_U3_GMAC2_TO_QPHY | \
901 MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA)
903 #define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \
904 MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
905 MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1)
907 struct mtk_tx_dma_desc_info {
923 u32 rx_ptr; /* rx base pointer */
924 u32 rx_cnt_cfg; /* rx max count configuration */
925 u32 pcrx_ptr; /* rx cpu pointer */
926 u32 glo_cfg; /* global configuration */
927 u32 rst_idx; /* reset index */
928 u32 delay_irq; /* delay interrupt */
929 u32 irq_status; /* interrupt status */
930 u32 irq_mask; /* interrupt mask */
934 u32 qtx_cfg; /* tx queue configuration */
935 u32 rx_ptr; /* rx base pointer */
936 u32 rx_cnt_cfg; /* rx max count configuration */
937 u32 qcrx_ptr; /* rx cpu pointer */
938 u32 glo_cfg; /* global configuration */
939 u32 rst_idx; /* reset index */
940 u32 delay_irq; /* delay interrupt */
941 u32 fc_th; /* flow control */
943 u32 hred; /* interrupt mask */
944 u32 ctx_ptr; /* tx acquire cpu pointer */
945 u32 dtx_ptr; /* tx acquire dma pointer */
946 u32 crx_ptr; /* tx release cpu pointer */
947 u32 drx_ptr; /* tx release dma pointer */
948 u32 fq_head; /* fq head pointer */
949 u32 fq_tail; /* fq tail pointer */
950 u32 fq_count; /* fq free page count */
951 u32 fq_blen; /* fq free page buffer length */
959 /* struct mtk_eth_data - This is the structure holding all differences
960 * among various plaforms
961 * @reg_map Soc register map.
962 * @ana_rgc3: The offset for register ANA_RGC3 related to
964 * @caps Flags shown the extra capability for the SoC
965 * @hw_features Flags shown HW features
966 * @required_clks Flags shown the bitmap for required clocks on
968 * @required_pctl A bool value to show whether the SoC requires
969 * the extra setup for those pins used by GMAC.
970 * @hash_offset Flow table hash offset.
971 * @foe_entry_size Foe table entry size.
972 * @txd_size Tx DMA descriptor size.
973 * @rxd_size Rx DMA descriptor size.
974 * @rx_irq_done_mask Rx irq done register mask.
975 * @rx_dma_l4_valid Rx DMA valid register mask.
976 * @dma_max_len Max DMA tx/rx buffer length.
977 * @dma_len_offset Tx/Rx DMA length field offset.
979 struct mtk_soc_data {
980 const struct mtk_reg_map *reg_map;
988 netdev_features_t hw_features;
992 u32 rx_irq_done_mask;
999 /* currently no SoC has more than 2 macs */
1000 #define MTK_MAX_DEVS 2
1002 /* struct mtk_pcs - This structure holds each sgmii regmap and associated
1004 * @regmap: The register map pointing at the range used to setup
1006 * @ana_rgc3: The offset refers to register ANA_RGC3 related to regmap
1007 * @pcs: Phylink PCS structure
1010 struct regmap *regmap;
1012 struct phylink_pcs pcs;
1015 /* struct mtk_sgmii - This is the structure holding sgmii regmap and its
1017 * @pcs Array of individual PCS structures
1020 struct mtk_pcs pcs[MTK_MAX_DEVS];
1023 /* struct mtk_eth - This is the main datasructure for holding the state
1025 * @dev: The device pointer
1026 * @dev: The device pointer used for dma mapping/alloc
1027 * @base: The mapped register i/o base
1028 * @page_lock: Make sure that register operations are atomic
1029 * @tx_irq__lock: Make sure that IRQ register operations are atomic
1030 * @rx_irq__lock: Make sure that IRQ register operations are atomic
1031 * @dim_lock: Make sure that Net DIM operations are atomic
1032 * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a
1033 * dummy for NAPI to work
1034 * @netdev: The netdev instances
1035 * @mac: Each netdev is linked to a physical MAC
1036 * @irq: The IRQ that we are using
1037 * @msg_enable: Ethtool msg level
1038 * @ethsys: The register map pointing at the range used to setup
1040 * @infra: The register map pointing at the range used to setup
1041 * SGMII and GePHY path
1042 * @pctl: The register map pointing at the range used to setup
1043 * GMAC port drive/slew values
1044 * @dma_refcnt: track how many netdevs are using the DMA engine
1045 * @tx_ring: Pointer to the memory holding info about the TX ring
1046 * @rx_ring: Pointer to the memory holding info about the RX ring
1047 * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring
1048 * @tx_napi: The TX NAPI struct
1049 * @rx_napi: The RX NAPI struct
1050 * @rx_events: Net DIM RX event counter
1051 * @rx_packets: Net DIM RX packet counter
1052 * @rx_bytes: Net DIM RX byte counter
1053 * @rx_dim: Net DIM RX context
1054 * @tx_events: Net DIM TX event counter
1055 * @tx_packets: Net DIM TX packet counter
1056 * @tx_bytes: Net DIM TX byte counter
1057 * @tx_dim: Net DIM TX context
1058 * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring
1059 * @phy_scratch_ring: physical address of scratch_ring
1060 * @scratch_head: The scratch memory that scratch_ring points to.
1061 * @clks: clock array for all clocks required
1062 * @mii_bus: If there is a bus we need to create an instance for it
1063 * @pending_work: The workqueue used to reset the dma ring
1064 * @state: Initialization and runtime state of the device
1065 * @soc: Holding specific data among vaious SoCs
1070 struct device *dma_dev;
1072 spinlock_t page_lock;
1073 spinlock_t tx_irq_lock;
1074 spinlock_t rx_irq_lock;
1075 struct net_device dummy_dev;
1076 struct net_device *netdev[MTK_MAX_DEVS];
1077 struct mtk_mac *mac[MTK_MAX_DEVS];
1080 unsigned long sysclk;
1081 struct regmap *ethsys;
1082 struct regmap *infra;
1083 struct mtk_sgmii *sgmii;
1084 struct regmap *pctl;
1086 refcount_t dma_refcnt;
1087 struct mtk_tx_ring tx_ring;
1088 struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM];
1089 struct mtk_rx_ring rx_ring_qdma;
1090 struct napi_struct tx_napi;
1091 struct napi_struct rx_napi;
1093 dma_addr_t phy_scratch_ring;
1095 struct clk *clks[MTK_CLK_MAX];
1097 struct mii_bus *mii_bus;
1098 struct work_struct pending_work;
1099 unsigned long state;
1101 const struct mtk_soc_data *soc;
1103 spinlock_t dim_lock;
1117 struct mtk_ppe *ppe[2];
1118 struct rhashtable flow_table;
1120 struct bpf_prog __rcu *prog;
1123 /* struct mtk_mac - the structure that holds the info about the MACs of the
1125 * @id: The number of the MAC
1126 * @interface: Interface mode kept for detecting change in hw settings
1127 * @of_node: Our devicetree node
1128 * @hw: Backpointer to our main datastruture
1129 * @hw_stats: Packet statistics counter
1133 phy_interface_t interface;
1135 struct device_node *of_node;
1136 struct phylink *phylink;
1137 struct phylink_config phylink_config;
1139 struct mtk_hw_stats *hw_stats;
1140 __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT];
1142 unsigned int syscfg0;
1145 /* the struct describing the SoC. these are declared in the soc_xyz.c files */
1146 extern const struct of_device_id of_mtk_match[];
1148 static inline struct mtk_foe_entry *
1149 mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash)
1151 const struct mtk_soc_data *soc = ppe->eth->soc;
1153 return ppe->foe_table + hash * soc->foe_entry_size;
1156 static inline u32 mtk_get_ib1_ts_mask(struct mtk_eth *eth)
1158 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1159 return MTK_FOE_IB1_BIND_TIMESTAMP_V2;
1161 return MTK_FOE_IB1_BIND_TIMESTAMP;
1164 static inline u32 mtk_get_ib1_ppoe_mask(struct mtk_eth *eth)
1166 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1167 return MTK_FOE_IB1_BIND_PPPOE_V2;
1169 return MTK_FOE_IB1_BIND_PPPOE;
1172 static inline u32 mtk_get_ib1_vlan_tag_mask(struct mtk_eth *eth)
1174 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1175 return MTK_FOE_IB1_BIND_VLAN_TAG_V2;
1177 return MTK_FOE_IB1_BIND_VLAN_TAG;
1180 static inline u32 mtk_get_ib1_vlan_layer_mask(struct mtk_eth *eth)
1182 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1183 return MTK_FOE_IB1_BIND_VLAN_LAYER_V2;
1185 return MTK_FOE_IB1_BIND_VLAN_LAYER;
1188 static inline u32 mtk_prep_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1190 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1191 return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1193 return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1196 static inline u32 mtk_get_ib1_vlan_layer(struct mtk_eth *eth, u32 val)
1198 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1199 return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val);
1201 return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, val);
1204 static inline u32 mtk_get_ib1_pkt_type_mask(struct mtk_eth *eth)
1206 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1207 return MTK_FOE_IB1_PACKET_TYPE_V2;
1209 return MTK_FOE_IB1_PACKET_TYPE;
1212 static inline u32 mtk_get_ib1_pkt_type(struct mtk_eth *eth, u32 val)
1214 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1215 return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE_V2, val);
1217 return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, val);
1220 static inline u32 mtk_get_ib2_multicast_mask(struct mtk_eth *eth)
1222 if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
1223 return MTK_FOE_IB2_MULTICAST_V2;
1225 return MTK_FOE_IB2_MULTICAST;
1228 /* read the hardware status register */
1229 void mtk_stats_update_mac(struct mtk_mac *mac);
1231 void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg);
1232 u32 mtk_r32(struct mtk_eth *eth, unsigned reg);
1234 struct phylink_pcs *mtk_sgmii_select_pcs(struct mtk_sgmii *ss, int id);
1235 int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np,
1238 int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id);
1239 int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id);
1240 int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id);
1242 int mtk_eth_offload_init(struct mtk_eth *eth);
1243 int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type,
1245 void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev);
1248 #endif /* MTK_ETH_H */