| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Lorenzo Bianconi | 1345 | 34.43% | 28 | 26.42% |
| John Crispin | 863 | 22.09% | 8 | 7.55% |
| Sean Wang | 411 | 10.52% | 14 | 13.21% |
| Felix Fietkau | 298 | 7.63% | 16 | 15.09% |
| Daniel Golle | 271 | 6.94% | 13 | 12.26% |
| Nelson Chang | 260 | 6.66% | 5 | 4.72% |
| René van Dorst | 228 | 5.84% | 5 | 4.72% |
| Stefan Roese | 137 | 3.51% | 3 | 2.83% |
| DENG Qingfang | 29 | 0.74% | 1 | 0.94% |
| Frank Wunderlich | 24 | 0.61% | 1 | 0.94% |
| Björn Mork | 11 | 0.28% | 1 | 0.94% |
| Russell King | 10 | 0.26% | 3 | 2.83% |
| MarkLee | 8 | 0.20% | 2 | 1.89% |
| Elena Reshetova | 4 | 0.10% | 1 | 0.94% |
| Thomas Gleixner | 2 | 0.05% | 1 | 0.94% |
| Ilya Lipnitskiy | 2 | 0.05% | 1 | 0.94% |
| Lin Yun Sheng | 1 | 0.03% | 1 | 0.94% |
| Sujuan Chen | 1 | 0.03% | 1 | 0.94% |
| Breno Leitão | 1 | 0.03% | 1 | 0.94% |
| Total | 3906 | 106 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2013-2016 Michael Lee <igvtee@gmail.com> */ #ifndef MTK_ETH_H #define MTK_ETH_H #include <linux/dma-mapping.h> #include <linux/netdevice.h> #include <linux/of_net.h> #include <linux/u64_stats_sync.h> #include <linux/refcount.h> #include <linux/phylink.h> #include <linux/rhashtable.h> #include <linux/dim.h> #include <linux/bitfield.h> #include <net/page_pool/types.h> #include <linux/bpf_trace.h> #include "mtk_ppe.h" #define MTK_MAX_DSA_PORTS 7 #define MTK_DSA_PORT_MASK GENMASK(2, 0) #define MTK_QDMA_NUM_QUEUES 16 #define MTK_QDMA_PAGE_SIZE 2048 #define MTK_MAX_RX_LENGTH 1536 #define MTK_MAX_RX_LENGTH_2K 2048 #define MTK_TX_DMA_BUF_LEN 0x3fff #define MTK_TX_DMA_BUF_LEN_V2 0xffff #define MTK_QDMA_RING_SIZE 2048 #define MTK_DMA_SIZE(x) (SZ_##x) #define MTK_FQ_DMA_HEAD 32 #define MTK_FQ_DMA_LENGTH 2048 #define MTK_RX_ETH_HLEN (ETH_HLEN + ETH_FCS_LEN) #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) #define MTK_DMA_DUMMY_DESC 0xffffffff #define MTK_DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | \ NETIF_MSG_PROBE | \ NETIF_MSG_LINK | \ NETIF_MSG_TIMER | \ NETIF_MSG_IFDOWN | \ NETIF_MSG_IFUP | \ NETIF_MSG_RX_ERR | \ NETIF_MSG_TX_ERR) #define MTK_HW_FEATURES (NETIF_F_IP_CSUM | \ NETIF_F_RXCSUM | \ NETIF_F_HW_VLAN_CTAG_TX | \ NETIF_F_SG | NETIF_F_TSO | \ NETIF_F_TSO6 | \ NETIF_F_IPV6_CSUM |\ NETIF_F_HW_TC) #define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM) #define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) #define MTK_PP_HEADROOM XDP_PACKET_HEADROOM #define MTK_PP_PAD (MTK_PP_HEADROOM + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) #define MTK_PP_MAX_BUF_SIZE (PAGE_SIZE - MTK_PP_PAD) #define MTK_QRX_OFFSET 0x10 #define MTK_MAX_RX_RING_NUM 4 #define MTK_HW_LRO_DMA_SIZE 8 #define MTK_MAX_LRO_RX_LENGTH (4096 * 3) #define MTK_MAX_LRO_IP_CNT 2 #define MTK_HW_LRO_TIMER_UNIT 1 /* 20 us */ #define MTK_HW_LRO_REFRESH_TIME 50000 /* 1 sec. */ #define MTK_HW_LRO_AGG_TIME 10 /* 200us */ #define MTK_HW_LRO_AGE_TIME 50 /* 1ms */ #define MTK_HW_LRO_MAX_AGG_CNT 64 #define MTK_HW_LRO_BW_THRE 3000 #define MTK_HW_LRO_REPLACE_DELTA 1000 #define MTK_HW_LRO_SDL_REMAIN_ROOM 1522 /* Frame Engine Global Configuration */ #define MTK_FE_GLO_CFG(x) (((x) == MTK_GMAC3_ID) ? 0x24 : 0x00) #define MTK_FE_LINK_DOWN_P(x) BIT(((x) + 8) % 16) /* Frame Engine Global Reset Register */ #define MTK_RST_GL 0x04 #define RST_GL_PSE BIT(0) /* Frame Engine Interrupt Status Register */ #define MTK_INT_STATUS2 0x08 #define MTK_FE_INT_ENABLE 0x0c #define MTK_FE_INT_FQ_EMPTY BIT(8) #define MTK_FE_INT_TSO_FAIL BIT(12) #define MTK_FE_INT_TSO_ILLEGAL BIT(13) #define MTK_FE_INT_TSO_ALIGN BIT(14) #define MTK_FE_INT_RFIFO_OV BIT(18) #define MTK_FE_INT_RFIFO_UF BIT(19) #define MTK_GDM1_AF BIT(28) #define MTK_GDM2_AF BIT(29) /* PDMA HW LRO Alter Flow Timer Register */ #define MTK_PDMA_LRO_ALT_REFRESH_TIMER 0x1c /* Frame Engine Interrupt Grouping Register */ #define MTK_FE_INT_GRP 0x20 /* CDMP Ingress Control Register */ #define MTK_CDMQ_IG_CTRL 0x1400 #define MTK_CDMQ_STAG_EN BIT(0) /* CDMQ Exgress Control Register */ #define MTK_CDMQ_EG_CTRL 0x1404 /* CDMP Ingress Control Register */ #define MTK_CDMP_IG_CTRL 0x400 #define MTK_CDMP_STAG_EN BIT(0) /* CDMP Exgress Control Register */ #define MTK_CDMP_EG_CTRL 0x404 /* GDM Exgress Control Register */ #define MTK_GDMA_FWD_CFG(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ 0x540 : 0x500 + (_x * 0x1000); }) #define MTK_GDMA_SPECIAL_TAG BIT(24) #define MTK_GDMA_ICS_EN BIT(22) #define MTK_GDMA_TCS_EN BIT(21) #define MTK_GDMA_UCS_EN BIT(20) #define MTK_GDMA_STRP_CRC BIT(16) #define MTK_GDMA_TO_PDMA 0x0 #define MTK_GDMA_DROP_ALL 0x7777 /* GDM Egress Control Register */ #define MTK_GDMA_EG_CTRL(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ 0x544 : 0x504 + (_x * 0x1000); }) #define MTK_GDMA_XGDM_SEL BIT(31) /* Unicast Filter MAC Address Register - Low */ #define MTK_GDMA_MAC_ADRL(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ 0x548 : 0x508 + (_x * 0x1000); }) /* Unicast Filter MAC Address Register - High */ #define MTK_GDMA_MAC_ADRH(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ 0x54C : 0x50C + (_x * 0x1000); }) /* Internal SRAM offset */ #define MTK_ETH_SRAM_OFFSET 0x40000 /* FE global misc reg*/ #define MTK_FE_GLO_MISC 0x124 /* PSE Free Queue Flow Control */ #define PSE_FQFC_CFG1 0x100 #define PSE_FQFC_CFG2 0x104 #define PSE_DROP_CFG 0x108 #define PSE_PPE0_DROP 0x110 /* PSE Input Queue Reservation Register*/ #define PSE_IQ_REV(x) (0x140 + (((x) - 1) << 2)) /* PSE Output Queue Threshold Register*/ #define PSE_OQ_TH(x) (0x160 + (((x) - 1) << 2)) /* GDM and CDM Threshold */ #define MTK_GDM2_THRES 0x1530 #define MTK_CDMW0_THRES 0x164c #define MTK_CDMW1_THRES 0x1650 #define MTK_CDME0_THRES 0x1654 #define MTK_CDME1_THRES 0x1658 #define MTK_CDMM_THRES 0x165c /* PDMA HW LRO Control Registers */ #define MTK_PDMA_LRO_CTRL_DW0 0x980 #define MTK_LRO_EN BIT(0) #define MTK_L3_CKS_UPD_EN BIT(7) #define MTK_L3_CKS_UPD_EN_V2 BIT(19) #define MTK_LRO_ALT_PKT_CNT_MODE BIT(21) #define MTK_LRO_RING_RELINQUISH_REQ (0x7 << 26) #define MTK_LRO_RING_RELINQUISH_REQ_V2 (0xf << 24) #define MTK_LRO_RING_RELINQUISH_DONE (0x7 << 29) #define MTK_LRO_RING_RELINQUISH_DONE_V2 (0xf << 28) #define MTK_PDMA_LRO_CTRL_DW1 0x984 #define MTK_PDMA_LRO_CTRL_DW2 0x988 #define MTK_PDMA_LRO_CTRL_DW3 0x98c #define MTK_ADMA_MODE BIT(15) #define MTK_LRO_MIN_RXD_SDL (MTK_HW_LRO_SDL_REMAIN_ROOM << 16) #define MTK_RX_DMA_LRO_EN BIT(8) #define MTK_MULTI_EN BIT(10) #define MTK_PDMA_SIZE_8DWORDS (1 << 4) /* PDMA Global Configuration Register */ #define MTK_PDMA_LRO_SDL 0x3000 #define MTK_RX_CFG_SDL_OFFSET 16 /* PDMA Reset Index Register */ #define MTK_PST_DRX_IDX0 BIT(16) #define MTK_PST_DRX_IDX_CFG(x) (MTK_PST_DRX_IDX0 << (x)) /* PDMA Delay Interrupt Register */ #define MTK_PDMA_DELAY_RX_MASK GENMASK(15, 0) #define MTK_PDMA_DELAY_RX_EN BIT(15) #define MTK_PDMA_DELAY_RX_PINT_SHIFT 8 #define MTK_PDMA_DELAY_RX_PTIME_SHIFT 0 #define MTK_PDMA_DELAY_TX_MASK GENMASK(31, 16) #define MTK_PDMA_DELAY_TX_EN BIT(31) #define MTK_PDMA_DELAY_TX_PINT_SHIFT 24 #define MTK_PDMA_DELAY_TX_PTIME_SHIFT 16 #define MTK_PDMA_DELAY_PINT_MASK 0x7f #define MTK_PDMA_DELAY_PTIME_MASK 0xff /* PDMA HW LRO Alter Flow Delta Register */ #define MTK_PDMA_LRO_ALT_SCORE_DELTA 0xa4c /* PDMA HW LRO IP Setting Registers */ #define MTK_LRO_RX_RING0_DIP_DW0 0xb04 #define MTK_LRO_DIP_DW0_CFG(x) (MTK_LRO_RX_RING0_DIP_DW0 + (x * 0x40)) #define MTK_RING_MYIP_VLD BIT(9) /* PDMA HW LRO Ring Control Registers */ #define MTK_LRO_RX_RING0_CTRL_DW1 0xb28 #define MTK_LRO_RX_RING0_CTRL_DW2 0xb2c #define MTK_LRO_RX_RING0_CTRL_DW3 0xb30 #define MTK_LRO_CTRL_DW1_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW1 + (x * 0x40)) #define MTK_LRO_CTRL_DW2_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW2 + (x * 0x40)) #define MTK_LRO_CTRL_DW3_CFG(x) (MTK_LRO_RX_RING0_CTRL_DW3 + (x * 0x40)) #define MTK_RING_AGE_TIME_L ((MTK_HW_LRO_AGE_TIME & 0x3ff) << 22) #define MTK_RING_AGE_TIME_H ((MTK_HW_LRO_AGE_TIME >> 10) & 0x3f) #define MTK_RING_AUTO_LERAN_MODE (3 << 6) #define MTK_RING_VLD BIT(8) #define MTK_RING_MAX_AGG_TIME ((MTK_HW_LRO_AGG_TIME & 0xffff) << 10) #define MTK_RING_MAX_AGG_CNT_L ((MTK_HW_LRO_MAX_AGG_CNT & 0x3f) << 26) #define MTK_RING_MAX_AGG_CNT_H ((MTK_HW_LRO_MAX_AGG_CNT >> 6) & 0x3) /* QDMA TX Queue Configuration Registers */ #define MTK_QTX_OFFSET 0x10 #define QDMA_RES_THRES 4 /* QDMA Tx Queue Scheduler Configuration Registers */ #define MTK_QTX_SCH_TX_SEL BIT(31) #define MTK_QTX_SCH_TX_SEL_V2 GENMASK(31, 30) #define MTK_QTX_SCH_LEAKY_BUCKET_EN BIT(30) #define MTK_QTX_SCH_LEAKY_BUCKET_SIZE GENMASK(29, 28) #define MTK_QTX_SCH_MIN_RATE_EN BIT(27) #define MTK_QTX_SCH_MIN_RATE_MAN GENMASK(26, 20) #define MTK_QTX_SCH_MIN_RATE_EXP GENMASK(19, 16) #define MTK_QTX_SCH_MAX_RATE_WEIGHT GENMASK(15, 12) #define MTK_QTX_SCH_MAX_RATE_EN BIT(11) #define MTK_QTX_SCH_MAX_RATE_MAN GENMASK(10, 4) #define MTK_QTX_SCH_MAX_RATE_EXP GENMASK(3, 0) /* QDMA TX Scheduler Rate Control Register */ #define MTK_QDMA_TX_SCH_MAX_WFQ BIT(15) /* QDMA Global Configuration Register */ #define MTK_RX_2B_OFFSET BIT(31) #define MTK_RX_BT_32DWORDS (3 << 11) #define MTK_NDP_CO_PRO BIT(10) #define MTK_TX_WB_DDONE BIT(6) #define MTK_TX_BT_32DWORDS (3 << 4) #define MTK_RX_DMA_BUSY BIT(3) #define MTK_TX_DMA_BUSY BIT(1) #define MTK_RX_DMA_EN BIT(2) #define MTK_TX_DMA_EN BIT(0) #define MTK_DMA_BUSY_TIMEOUT_US 1000000 /* QDMA V2 Global Configuration Register */ #define MTK_CHK_DDONE_EN BIT(28) #define MTK_DMAD_WR_WDONE BIT(26) #define MTK_WCOMP_EN BIT(24) #define MTK_RESV_BUF (0x40 << 16) #define MTK_MUTLI_CNT (0x4 << 12) #define MTK_LEAKY_BUCKET_EN BIT(11) /* QDMA Flow Control Register */ #define FC_THRES_DROP_MODE BIT(20) #define FC_THRES_DROP_EN (7 << 16) #define FC_THRES_MIN 0x4444 /* QDMA Interrupt Status Register */ #define MTK_RX_DONE_DLY BIT(30) #define MTK_TX_DONE_DLY BIT(28) #define MTK_RX_DONE_INT3 BIT(19) #define MTK_RX_DONE_INT2 BIT(18) #define MTK_RX_DONE_INT1 BIT(17) #define MTK_RX_DONE_INT0 BIT(16) #define MTK_TX_DONE_INT3 BIT(3) #define MTK_TX_DONE_INT2 BIT(2) #define MTK_TX_DONE_INT1 BIT(1) #define MTK_TX_DONE_INT0 BIT(0) #define MTK_RX_DONE_INT MTK_RX_DONE_DLY #define MTK_TX_DONE_INT MTK_TX_DONE_DLY #define MTK_RX_DONE_INT_V2 BIT(14) #define MTK_CDM_TXFIFO_RDY BIT(7) /* QDMA Interrupt grouping registers */ #define MTK_RLS_DONE_INT BIT(0) /* QDMA TX NUM */ #define QID_BITS_V2(x) (((x) & 0x3f) << 16) #define MTK_QDMA_GMAC2_QID 8 #define MTK_TX_DMA_BUF_SHIFT 8 /* QDMA V2 descriptor txd6 */ #define TX_DMA_INS_VLAN_V2 BIT(16) /* QDMA V2 descriptor txd5 */ #define TX_DMA_CHKSUM_V2 (0x7 << 28) #define TX_DMA_TSO_V2 BIT(31) #define TX_DMA_SPTAG_V3 BIT(27) /* QDMA V2 descriptor txd4 */ #define TX_DMA_FPORT_SHIFT_V2 8 #define TX_DMA_FPORT_MASK_V2 0xf #define TX_DMA_SWC_V2 BIT(30) /* QDMA descriptor txd4 */ #define TX_DMA_CHKSUM (0x7 << 29) #define TX_DMA_TSO BIT(28) #define TX_DMA_FPORT_SHIFT 25 #define TX_DMA_FPORT_MASK 0x7 #define TX_DMA_INS_VLAN BIT(16) /* QDMA descriptor txd3 */ #define TX_DMA_OWNER_CPU BIT(31) #define TX_DMA_LS0 BIT(30) #define TX_DMA_PLEN0(x) (((x) & eth->soc->tx.dma_max_len) << eth->soc->tx.dma_len_offset) #define TX_DMA_PLEN1(x) ((x) & eth->soc->tx.dma_max_len) #define TX_DMA_SWC BIT(14) #define TX_DMA_PQID GENMASK(3, 0) #define TX_DMA_ADDR64_MASK GENMASK(3, 0) #if IS_ENABLED(CONFIG_64BIT) # define TX_DMA_GET_ADDR64(x) (((u64)FIELD_GET(TX_DMA_ADDR64_MASK, (x))) << 32) # define TX_DMA_PREP_ADDR64(x) FIELD_PREP(TX_DMA_ADDR64_MASK, ((x) >> 32)) #else # define TX_DMA_GET_ADDR64(x) (0) # define TX_DMA_PREP_ADDR64(x) (0) #endif /* PDMA on MT7628 */ #define TX_DMA_DONE BIT(31) #define TX_DMA_LS1 BIT(14) #define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) /* QDMA descriptor rxd2 */ #define RX_DMA_DONE BIT(31) #define RX_DMA_LSO BIT(30) #define RX_DMA_PREP_PLEN0(x) (((x) & eth->soc->rx.dma_max_len) << eth->soc->rx.dma_len_offset) #define RX_DMA_GET_PLEN0(x) (((x) >> eth->soc->rx.dma_len_offset) & eth->soc->rx.dma_max_len) #define RX_DMA_VTAG BIT(15) #define RX_DMA_ADDR64_MASK GENMASK(3, 0) #if IS_ENABLED(CONFIG_64BIT) # define RX_DMA_GET_ADDR64(x) (((u64)FIELD_GET(RX_DMA_ADDR64_MASK, (x))) << 32) # define RX_DMA_PREP_ADDR64(x) FIELD_PREP(RX_DMA_ADDR64_MASK, ((x) >> 32)) #else # define RX_DMA_GET_ADDR64(x) (0) # define RX_DMA_PREP_ADDR64(x) (0) #endif /* QDMA descriptor rxd3 */ #define RX_DMA_VID(x) ((x) & VLAN_VID_MASK) #define RX_DMA_TCI(x) ((x) & (VLAN_PRIO_MASK | VLAN_VID_MASK)) #define RX_DMA_VPID(x) (((x) >> 16) & 0xffff) /* QDMA descriptor rxd4 */ #define MTK_RXD4_FOE_ENTRY GENMASK(13, 0) #define MTK_RXD4_PPE_CPU_REASON GENMASK(18, 14) #define MTK_RXD4_SRC_PORT GENMASK(21, 19) #define MTK_RXD4_ALG GENMASK(31, 22) /* QDMA descriptor rxd4 */ #define RX_DMA_L4_VALID BIT(24) #define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ #define RX_DMA_SPECIAL_TAG BIT(22) /* PDMA descriptor rxd5 */ #define MTK_RXD5_FOE_ENTRY GENMASK(14, 0) #define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18) #define MTK_RXD5_SRC_PORT GENMASK(29, 26) #define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0x7) #define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0xf) /* PDMA V2 descriptor rxd3 */ #define RX_DMA_VTAG_V2 BIT(0) #define RX_DMA_L4_VALID_V2 BIT(2) /* PHY Polling and SMI Master Control registers */ #define MTK_PPSC 0x10000 #define PPSC_MDC_CFG GENMASK(29, 24) #define PPSC_MDC_TURBO BIT(20) #define MDC_MAX_FREQ 25000000 #define MDC_MAX_DIVIDER 63 /* PHY Indirect Access Control registers */ #define MTK_PHY_IAC 0x10004 #define PHY_IAC_ACCESS BIT(31) #define PHY_IAC_REG_MASK GENMASK(29, 25) #define PHY_IAC_REG(x) FIELD_PREP(PHY_IAC_REG_MASK, (x)) #define PHY_IAC_ADDR_MASK GENMASK(24, 20) #define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x)) #define PHY_IAC_CMD_MASK GENMASK(19, 18) #define PHY_IAC_CMD_C45_ADDR FIELD_PREP(PHY_IAC_CMD_MASK, 0) #define PHY_IAC_CMD_WRITE FIELD_PREP(PHY_IAC_CMD_MASK, 1) #define PHY_IAC_CMD_C22_READ FIELD_PREP(PHY_IAC_CMD_MASK, 2) #define PHY_IAC_CMD_C45_READ FIELD_PREP(PHY_IAC_CMD_MASK, 3) #define PHY_IAC_START_MASK GENMASK(17, 16) #define PHY_IAC_START_C45 FIELD_PREP(PHY_IAC_START_MASK, 0) #define PHY_IAC_START_C22 FIELD_PREP(PHY_IAC_START_MASK, 1) #define PHY_IAC_DATA_MASK GENMASK(15, 0) #define PHY_IAC_DATA(x) FIELD_PREP(PHY_IAC_DATA_MASK, (x)) #define PHY_IAC_TIMEOUT HZ #define MTK_MAC_MISC 0x1000c #define MTK_MAC_MISC_V3 0x10010 #define MTK_MUX_TO_ESW BIT(0) #define MISC_MDC_TURBO BIT(4) /* XMAC status registers */ #define MTK_XGMAC_STS(x) (((x) == MTK_GMAC3_ID) ? 0x1001C : 0x1000C) #define MTK_XGMAC_FORCE_LINK(x) (((x) == MTK_GMAC2_ID) ? BIT(31) : BIT(15)) #define MTK_USXGMII_PCS_LINK BIT(8) #define MTK_XGMAC_RX_FC BIT(5) #define MTK_XGMAC_TX_FC BIT(4) #define MTK_USXGMII_PCS_MODE GENMASK(3, 1) #define MTK_XGMAC_LINK_STS BIT(0) /* GSW bridge registers */ #define MTK_GSW_CFG (0x10080) #define GSWTX_IPG_MASK GENMASK(19, 16) #define GSWTX_IPG_SHIFT 16 #define GSWRX_IPG_MASK GENMASK(3, 0) #define GSWRX_IPG_SHIFT 0 #define GSW_IPG_11 11 /* Mac control registers */ #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100)) #define MAC_MCR_MAX_RX_MASK GENMASK(25, 24) #define MAC_MCR_MAX_RX(_x) (MAC_MCR_MAX_RX_MASK & ((_x) << 24)) #define MAC_MCR_MAX_RX_1518 0x0 #define MAC_MCR_MAX_RX_1536 0x1 #define MAC_MCR_MAX_RX_1552 0x2 #define MAC_MCR_MAX_RX_2048 0x3 #define MAC_MCR_IPG_CFG (BIT(18) | BIT(16)) #define MAC_MCR_FORCE_MODE BIT(15) #define MAC_MCR_TX_EN BIT(14) #define MAC_MCR_RX_EN BIT(13) #define MAC_MCR_RX_FIFO_CLR_DIS BIT(12) #define MAC_MCR_BACKOFF_EN BIT(9) #define MAC_MCR_BACKPR_EN BIT(8) #define MAC_MCR_FORCE_RX_FC BIT(5) #define MAC_MCR_FORCE_TX_FC BIT(4) #define MAC_MCR_SPEED_1000 BIT(3) #define MAC_MCR_SPEED_100 BIT(2) #define MAC_MCR_FORCE_DPX BIT(1) #define MAC_MCR_FORCE_LINK BIT(0) #define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE) /* Mac status registers */ #define MTK_MAC_MSR(x) (0x10108 + (x * 0x100)) #define MAC_MSR_EEE1G BIT(7) #define MAC_MSR_EEE100M BIT(6) #define MAC_MSR_RX_FC BIT(5) #define MAC_MSR_TX_FC BIT(4) #define MAC_MSR_SPEED_1000 BIT(3) #define MAC_MSR_SPEED_100 BIT(2) #define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100) #define MAC_MSR_DPX BIT(1) #define MAC_MSR_LINK BIT(0) /* TRGMII RXC control register */ #define TRGMII_RCK_CTRL 0x10300 #define DQSI0(x) ((x << 0) & GENMASK(6, 0)) #define DQSI1(x) ((x << 8) & GENMASK(14, 8)) #define RXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) #define RXC_RST BIT(31) #define RXC_DQSISEL BIT(30) #define RCK_CTRL_RGMII_1000 (RXC_DQSISEL | RXCTL_DMWTLAT(2) | DQSI1(16)) #define RCK_CTRL_RGMII_10_100 RXCTL_DMWTLAT(2) #define NUM_TRGMII_CTRL 5 /* TRGMII RXC control register */ #define TRGMII_TCK_CTRL 0x10340 #define TXCTL_DMWTLAT(x) ((x << 16) & GENMASK(18, 16)) #define TXC_INV BIT(30) #define TCK_CTRL_RGMII_1000 TXCTL_DMWTLAT(2) #define TCK_CTRL_RGMII_10_100 (TXC_INV | TXCTL_DMWTLAT(2)) /* TRGMII TX Drive Strength */ #define TRGMII_TD_ODT(i) (0x10354 + 8 * (i)) #define TD_DM_DRVP(x) ((x) & 0xf) #define TD_DM_DRVN(x) (((x) & 0xf) << 4) /* TRGMII Interface mode register */ #define INTF_MODE 0x10390 #define TRGMII_INTF_DIS BIT(0) #define TRGMII_MODE BIT(1) #define TRGMII_CENTRAL_ALIGNED BIT(2) #define INTF_MODE_RGMII_1000 (TRGMII_MODE | TRGMII_CENTRAL_ALIGNED) #define INTF_MODE_RGMII_10_100 0 /* GPIO port control registers for GMAC 2*/ #define GPIO_OD33_CTRL8 0x4c0 #define GPIO_BIAS_CTRL 0xed0 #define GPIO_DRV_SEL10 0xf00 /* ethernet subsystem chip id register */ #define ETHSYS_CHIPID0_3 0x0 #define ETHSYS_CHIPID4_7 0x4 #define MT7623_ETH 7623 #define MT7622_ETH 7622 #define MT7621_ETH 7621 /* ethernet system control register */ #define ETHSYS_SYSCFG 0x10 #define SYSCFG_DRAM_TYPE_DDR2 BIT(4) /* ethernet subsystem config register */ #define ETHSYS_SYSCFG0 0x14 #define SYSCFG0_GE_MASK 0x3 #define SYSCFG0_GE_MODE(x, y) (x << (12 + (y * 2))) #define SYSCFG0_SGMII_MASK GENMASK(9, 7) #define SYSCFG0_SGMII_GMAC1 ((2 << 8) & SYSCFG0_SGMII_MASK) #define SYSCFG0_SGMII_GMAC2 ((3 << 8) & SYSCFG0_SGMII_MASK) #define SYSCFG0_SGMII_GMAC1_V2 BIT(9) #define SYSCFG0_SGMII_GMAC2_V2 BIT(8) /* ethernet subsystem clock register */ #define ETHSYS_CLKCFG0 0x2c #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) #define ETHSYS_TRGMII_MT7621_MASK (BIT(5) | BIT(6)) #define ETHSYS_TRGMII_MT7621_APLL BIT(6) #define ETHSYS_TRGMII_MT7621_DDR_PLL BIT(5) /* ethernet reset control register */ #define ETHSYS_RSTCTRL 0x34 #define RSTCTRL_FE BIT(6) #define RSTCTRL_WDMA0 BIT(24) #define RSTCTRL_WDMA1 BIT(25) #define RSTCTRL_WDMA2 BIT(26) #define RSTCTRL_PPE0 BIT(31) #define RSTCTRL_PPE0_V2 BIT(30) #define RSTCTRL_PPE1 BIT(31) #define RSTCTRL_PPE0_V3 BIT(29) #define RSTCTRL_PPE1_V3 BIT(30) #define RSTCTRL_PPE2 BIT(31) #define RSTCTRL_ETH BIT(23) /* ethernet reset check idle register */ #define ETHSYS_FE_RST_CHK_IDLE_EN 0x28 /* ethernet dma channel agent map */ #define ETHSYS_DMA_AG_MAP 0x408 #define ETHSYS_DMA_AG_MAP_PDMA BIT(0) #define ETHSYS_DMA_AG_MAP_QDMA BIT(1) #define ETHSYS_DMA_AG_MAP_PPE BIT(2) /* Infrasys subsystem config registers */ #define INFRA_MISC2 0x70c #define CO_QPHY_SEL BIT(0) #define GEPHY_MAC_SEL BIT(1) /* Top misc registers */ #define USB_PHY_SWITCH_REG 0x218 #define QPHY_SEL_MASK GENMASK(1, 0) #define SGMII_QPHY_SEL 0x2 /* MT7628/88 specific stuff */ #define MT7628_PDMA_OFFSET 0x0800 #define MT7628_SDM_OFFSET 0x0c00 #define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00) #define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04) #define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08) #define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c) #define MT7628_PST_DTX_IDX0 BIT(0) #define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c) #define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10) /* Counter / stat register */ #define MT7628_SDM_TPCNT (MT7628_SDM_OFFSET + 0x100) #define MT7628_SDM_TBCNT (MT7628_SDM_OFFSET + 0x104) #define MT7628_SDM_RPCNT (MT7628_SDM_OFFSET + 0x108) #define MT7628_SDM_RBCNT (MT7628_SDM_OFFSET + 0x10c) #define MT7628_SDM_CS_ERR (MT7628_SDM_OFFSET + 0x110) #define MTK_FE_CDM1_FSM 0x220 #define MTK_FE_CDM2_FSM 0x224 #define MTK_FE_CDM3_FSM 0x238 #define MTK_FE_CDM4_FSM 0x298 #define MTK_FE_CDM5_FSM 0x318 #define MTK_FE_CDM6_FSM 0x328 #define MTK_FE_GDM1_FSM 0x228 #define MTK_FE_GDM2_FSM 0x22C #define MTK_MAC_FSM(x) (0x1010C + ((x) * 0x100)) struct mtk_rx_dma { unsigned int rxd1; unsigned int rxd2; unsigned int rxd3; unsigned int rxd4; } __packed __aligned(4); struct mtk_rx_dma_v2 { unsigned int rxd1; unsigned int rxd2; unsigned int rxd3; unsigned int rxd4; unsigned int rxd5; unsigned int rxd6; unsigned int rxd7; unsigned int rxd8; } __packed __aligned(4); struct mtk_tx_dma { unsigned int txd1; unsigned int txd2; unsigned int txd3; unsigned int txd4; } __packed __aligned(4); struct mtk_tx_dma_v2 { unsigned int txd1; unsigned int txd2; unsigned int txd3; unsigned int txd4; unsigned int txd5; unsigned int txd6; unsigned int txd7; unsigned int txd8; } __packed __aligned(4); struct mtk_eth; struct mtk_mac; struct mtk_xdp_stats { u64 rx_xdp_redirect; u64 rx_xdp_pass; u64 rx_xdp_drop; u64 rx_xdp_tx; u64 rx_xdp_tx_errors; u64 tx_xdp_xmit; u64 tx_xdp_xmit_errors; }; /* struct mtk_hw_stats - the structure that holds the traffic statistics. * @stats_lock: make sure that stats operations are atomic * @reg_offset: the status register offset of the SoC * @syncp: the refcount * * All of the supported SoCs have hardware counters for traffic statistics. * Whenever the status IRQ triggers we can read the latest stats from these * counters and store them in this struct. */ struct mtk_hw_stats { u64 tx_bytes; u64 tx_packets; u64 tx_skip; u64 tx_collisions; u64 rx_bytes; u64 rx_packets; u64 rx_overflow; u64 rx_fcs_errors; u64 rx_short_errors; u64 rx_long_errors; u64 rx_checksum_errors; u64 rx_flow_control_packets; struct mtk_xdp_stats xdp_stats; spinlock_t stats_lock; u32 reg_offset; struct u64_stats_sync syncp; }; enum mtk_tx_flags { /* PDMA descriptor can point at 1-2 segments. This enum allows us to * track how memory was allocated so that it can be freed properly. */ MTK_TX_FLAGS_SINGLE0 = 0x01, MTK_TX_FLAGS_PAGE0 = 0x02, }; /* This enum allows us to identify how the clock is defined on the array of the * clock in the order */ enum mtk_clks_map { MTK_CLK_ETHIF, MTK_CLK_SGMIITOP, MTK_CLK_ESW, MTK_CLK_GP0, MTK_CLK_GP1, MTK_CLK_GP2, MTK_CLK_GP3, MTK_CLK_XGP1, MTK_CLK_XGP2, MTK_CLK_XGP3, MTK_CLK_CRYPTO, MTK_CLK_FE, MTK_CLK_TRGPLL, MTK_CLK_SGMII_TX_250M, MTK_CLK_SGMII_RX_250M, MTK_CLK_SGMII_CDR_REF, MTK_CLK_SGMII_CDR_FB, MTK_CLK_SGMII2_TX_250M, MTK_CLK_SGMII2_RX_250M, MTK_CLK_SGMII2_CDR_REF, MTK_CLK_SGMII2_CDR_FB, MTK_CLK_SGMII_CK, MTK_CLK_ETH2PLL, MTK_CLK_WOCPU0, MTK_CLK_WOCPU1, MTK_CLK_NETSYS0, MTK_CLK_NETSYS1, MTK_CLK_ETHWARP_WOCPU2, MTK_CLK_ETHWARP_WOCPU1, MTK_CLK_ETHWARP_WOCPU0, MTK_CLK_TOP_USXGMII_SBUS_0_SEL, MTK_CLK_TOP_USXGMII_SBUS_1_SEL, MTK_CLK_TOP_SGM_0_SEL, MTK_CLK_TOP_SGM_1_SEL, MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL, MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL, MTK_CLK_TOP_ETH_GMII_SEL, MTK_CLK_TOP_ETH_REFCK_50M_SEL, MTK_CLK_TOP_ETH_SYS_200M_SEL, MTK_CLK_TOP_ETH_SYS_SEL, MTK_CLK_TOP_ETH_XGMII_SEL, MTK_CLK_TOP_ETH_MII_SEL, MTK_CLK_TOP_NETSYS_SEL, MTK_CLK_TOP_NETSYS_500M_SEL, MTK_CLK_TOP_NETSYS_PAO_2X_SEL, MTK_CLK_TOP_NETSYS_SYNC_250M_SEL, MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL, MTK_CLK_TOP_NETSYS_WARP_SEL, MTK_CLK_MAX }; #define MT7623_CLKS_BITMAP (BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) | \ BIT_ULL(MTK_CLK_GP1) | BIT_ULL(MTK_CLK_GP2) | \ BIT_ULL(MTK_CLK_TRGPLL)) #define MT7622_CLKS_BITMAP (BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) | \ BIT_ULL(MTK_CLK_GP0) | BIT_ULL(MTK_CLK_GP1) | \ BIT_ULL(MTK_CLK_GP2) | \ BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII_CK) | \ BIT_ULL(MTK_CLK_ETH2PLL)) #define MT7621_CLKS_BITMAP (0) #define MT7628_CLKS_BITMAP (0) #define MT7629_CLKS_BITMAP (BIT_ULL(MTK_CLK_ETHIF) | BIT_ULL(MTK_CLK_ESW) | \ BIT_ULL(MTK_CLK_GP0) | BIT_ULL(MTK_CLK_GP1) | \ BIT_ULL(MTK_CLK_GP2) | BIT_ULL(MTK_CLK_FE) | \ BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII_CK) | \ BIT_ULL(MTK_CLK_ETH2PLL) | BIT_ULL(MTK_CLK_SGMIITOP)) #define MT7981_CLKS_BITMAP (BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_GP2) | \ BIT_ULL(MTK_CLK_GP1) | \ BIT_ULL(MTK_CLK_WOCPU0) | \ BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII_CK)) #define MT7986_CLKS_BITMAP (BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_GP2) | \ BIT_ULL(MTK_CLK_GP1) | \ BIT_ULL(MTK_CLK_WOCPU1) | BIT_ULL(MTK_CLK_WOCPU0) | \ BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII_CDR_FB) | \ BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_FB)) #define MT7988_CLKS_BITMAP (BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_ESW) | \ BIT_ULL(MTK_CLK_GP1) | BIT_ULL(MTK_CLK_GP2) | \ BIT_ULL(MTK_CLK_GP3) | BIT_ULL(MTK_CLK_XGP1) | \ BIT_ULL(MTK_CLK_XGP2) | BIT_ULL(MTK_CLK_XGP3) | \ BIT_ULL(MTK_CLK_CRYPTO) | \ BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ BIT_ULL(MTK_CLK_ETHWARP_WOCPU2) | \ BIT_ULL(MTK_CLK_ETHWARP_WOCPU1) | \ BIT_ULL(MTK_CLK_ETHWARP_WOCPU0) | \ BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_0_SEL) | \ BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_1_SEL) | \ BIT_ULL(MTK_CLK_TOP_SGM_0_SEL) | \ BIT_ULL(MTK_CLK_TOP_SGM_1_SEL) | \ BIT_ULL(MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL) | \ BIT_ULL(MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_GMII_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_REFCK_50M_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_SYS_200M_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_SYS_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_XGMII_SEL) | \ BIT_ULL(MTK_CLK_TOP_ETH_MII_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_500M_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_PAO_2X_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_SYNC_250M_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL) | \ BIT_ULL(MTK_CLK_TOP_NETSYS_WARP_SEL)) enum mtk_dev_state { MTK_HW_INIT, MTK_RESETTING }; /* PSE Port Definition */ enum mtk_pse_port { PSE_ADMA_PORT = 0, PSE_GDM1_PORT, PSE_GDM2_PORT, PSE_PPE0_PORT, PSE_PPE1_PORT, PSE_QDMA_TX_PORT, PSE_QDMA_RX_PORT, PSE_DROP_PORT, PSE_WDMA0_PORT, PSE_WDMA1_PORT, PSE_TDMA_PORT, PSE_NONE_PORT, PSE_PPE2_PORT, PSE_WDMA2_PORT, PSE_EIP197_PORT, PSE_GDM3_PORT, PSE_PORT_MAX }; /* GMAC Identifier */ enum mtk_gmac_id { MTK_GMAC1_ID = 0, MTK_GMAC2_ID, MTK_GMAC3_ID, MTK_GMAC_ID_MAX }; enum mtk_tx_buf_type { MTK_TYPE_SKB, MTK_TYPE_XDP_TX, MTK_TYPE_XDP_NDO, }; /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at * by the TX descriptor s * @skb: The SKB pointer of the packet being sent * @dma_addr0: The base addr of the first segment * @dma_len0: The length of the first segment * @dma_addr1: The base addr of the second segment * @dma_len1: The length of the second segment */ struct mtk_tx_buf { enum mtk_tx_buf_type type; void *data; u16 mac_id; u16 flags; DEFINE_DMA_UNMAP_ADDR(dma_addr0); DEFINE_DMA_UNMAP_LEN(dma_len0); DEFINE_DMA_UNMAP_ADDR(dma_addr1); DEFINE_DMA_UNMAP_LEN(dma_len1); }; /* struct mtk_tx_ring - This struct holds info describing a TX ring * @dma: The descriptor ring * @buf: The memory pointed at by the ring * @phys: The physical addr of tx_buf * @next_free: Pointer to the next free descriptor * @last_free: Pointer to the last free descriptor * @last_free_ptr: Hardware pointer value of the last free descriptor * @thresh: The threshold of minimum amount of free descriptors * @free_count: QDMA uses a linked list. Track how many free descriptors * are present */ struct mtk_tx_ring { void *dma; struct mtk_tx_buf *buf; dma_addr_t phys; struct mtk_tx_dma *next_free; struct mtk_tx_dma *last_free; u32 last_free_ptr; u16 thresh; atomic_t free_count; int dma_size; struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */ dma_addr_t phys_pdma; int cpu_idx; }; /* PDMA rx ring mode */ enum mtk_rx_flags { MTK_RX_FLAGS_NORMAL = 0, MTK_RX_FLAGS_HWLRO, MTK_RX_FLAGS_QDMA, }; /* struct mtk_rx_ring - This struct holds info describing a RX ring * @dma: The descriptor ring * @data: The memory pointed at by the ring * @phys: The physical addr of rx_buf * @frag_size: How big can each fragment be * @buf_size: The size of each packet buffer * @calc_idx: The current head of ring */ struct mtk_rx_ring { void *dma; u8 **data; dma_addr_t phys; u16 frag_size; u16 buf_size; u16 dma_size; bool calc_idx_update; u16 calc_idx; u32 crx_idx_reg; /* page_pool */ struct page_pool *page_pool; struct xdp_rxq_info xdp_q; }; enum mkt_eth_capabilities { MTK_RGMII_BIT = 0, MTK_TRGMII_BIT, MTK_SGMII_BIT, MTK_ESW_BIT, MTK_GEPHY_BIT, MTK_MUX_BIT, MTK_INFRA_BIT, MTK_SHARED_SGMII_BIT, MTK_HWLRO_BIT, MTK_SHARED_INT_BIT, MTK_TRGMII_MT7621_CLK_BIT, MTK_QDMA_BIT, MTK_SOC_MT7628_BIT, MTK_RSTCTRL_PPE1_BIT, MTK_RSTCTRL_PPE2_BIT, MTK_U3_COPHY_V2_BIT, MTK_SRAM_BIT, MTK_36BIT_DMA_BIT, /* MUX BITS*/ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT, MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT, MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT, MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT, /* PATH BITS */ MTK_ETH_PATH_GMAC1_RGMII_BIT, MTK_ETH_PATH_GMAC1_TRGMII_BIT, MTK_ETH_PATH_GMAC1_SGMII_BIT, MTK_ETH_PATH_GMAC2_RGMII_BIT, MTK_ETH_PATH_GMAC2_SGMII_BIT, MTK_ETH_PATH_GMAC2_GEPHY_BIT, MTK_ETH_PATH_GDM1_ESW_BIT, }; /* Supported hardware group on SoCs */ #define MTK_RGMII BIT_ULL(MTK_RGMII_BIT) #define MTK_TRGMII BIT_ULL(MTK_TRGMII_BIT) #define MTK_SGMII BIT_ULL(MTK_SGMII_BIT) #define MTK_ESW BIT_ULL(MTK_ESW_BIT) #define MTK_GEPHY BIT_ULL(MTK_GEPHY_BIT) #define MTK_MUX BIT_ULL(MTK_MUX_BIT) #define MTK_INFRA BIT_ULL(MTK_INFRA_BIT) #define MTK_SHARED_SGMII BIT_ULL(MTK_SHARED_SGMII_BIT) #define MTK_HWLRO BIT_ULL(MTK_HWLRO_BIT) #define MTK_SHARED_INT BIT_ULL(MTK_SHARED_INT_BIT) #define MTK_TRGMII_MT7621_CLK BIT_ULL(MTK_TRGMII_MT7621_CLK_BIT) #define MTK_QDMA BIT_ULL(MTK_QDMA_BIT) #define MTK_SOC_MT7628 BIT_ULL(MTK_SOC_MT7628_BIT) #define MTK_RSTCTRL_PPE1 BIT_ULL(MTK_RSTCTRL_PPE1_BIT) #define MTK_RSTCTRL_PPE2 BIT_ULL(MTK_RSTCTRL_PPE2_BIT) #define MTK_U3_COPHY_V2 BIT_ULL(MTK_U3_COPHY_V2_BIT) #define MTK_SRAM BIT_ULL(MTK_SRAM_BIT) #define MTK_36BIT_DMA BIT_ULL(MTK_36BIT_DMA_BIT) #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ BIT_ULL(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) #define MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY \ BIT_ULL(MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY_BIT) #define MTK_ETH_MUX_U3_GMAC2_TO_QPHY \ BIT_ULL(MTK_ETH_MUX_U3_GMAC2_TO_QPHY_BIT) #define MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ BIT_ULL(MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII_BIT) #define MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII \ BIT_ULL(MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII_BIT) /* Supported path present on SoCs */ #define MTK_ETH_PATH_GMAC1_RGMII BIT_ULL(MTK_ETH_PATH_GMAC1_RGMII_BIT) #define MTK_ETH_PATH_GMAC1_TRGMII BIT_ULL(MTK_ETH_PATH_GMAC1_TRGMII_BIT) #define MTK_ETH_PATH_GMAC1_SGMII BIT_ULL(MTK_ETH_PATH_GMAC1_SGMII_BIT) #define MTK_ETH_PATH_GMAC2_RGMII BIT_ULL(MTK_ETH_PATH_GMAC2_RGMII_BIT) #define MTK_ETH_PATH_GMAC2_SGMII BIT_ULL(MTK_ETH_PATH_GMAC2_SGMII_BIT) #define MTK_ETH_PATH_GMAC2_GEPHY BIT_ULL(MTK_ETH_PATH_GMAC2_GEPHY_BIT) #define MTK_ETH_PATH_GDM1_ESW BIT_ULL(MTK_ETH_PATH_GDM1_ESW_BIT) #define MTK_GMAC1_RGMII (MTK_ETH_PATH_GMAC1_RGMII | MTK_RGMII) #define MTK_GMAC1_TRGMII (MTK_ETH_PATH_GMAC1_TRGMII | MTK_TRGMII) #define MTK_GMAC1_SGMII (MTK_ETH_PATH_GMAC1_SGMII | MTK_SGMII) #define MTK_GMAC2_RGMII (MTK_ETH_PATH_GMAC2_RGMII | MTK_RGMII) #define MTK_GMAC2_SGMII (MTK_ETH_PATH_GMAC2_SGMII | MTK_SGMII) #define MTK_GMAC2_GEPHY (MTK_ETH_PATH_GMAC2_GEPHY | MTK_GEPHY) #define MTK_GDM1_ESW (MTK_ETH_PATH_GDM1_ESW | MTK_ESW) /* MUXes present on SoCs */ /* 0: GDM1 -> GMAC1, 1: GDM1 -> ESW */ #define MTK_MUX_GDM1_TO_GMAC1_ESW (MTK_ETH_MUX_GDM1_TO_GMAC1_ESW | MTK_MUX) /* 0: GMAC2 -> GEPHY, 1: GMAC0 -> GePHY */ #define MTK_MUX_GMAC2_GMAC0_TO_GEPHY \ (MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY | MTK_MUX | MTK_INFRA) /* 0: U3 -> QPHY, 1: GMAC2 -> QPHY */ #define MTK_MUX_U3_GMAC2_TO_QPHY \ (MTK_ETH_MUX_U3_GMAC2_TO_QPHY | MTK_MUX | MTK_INFRA) /* 2: GMAC1 -> SGMII, 3: GMAC2 -> SGMII */ #define MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII \ (MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_MUX | \ MTK_SHARED_SGMII) /* 0: GMACx -> GEPHY, 1: GMACx -> SGMII where x is 1 or 2 */ #define MTK_MUX_GMAC12_TO_GEPHY_SGMII \ (MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII | MTK_MUX) #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ MTK_GMAC2_RGMII | MTK_SHARED_INT | \ MTK_TRGMII_MT7621_CLK | MTK_QDMA) #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ MTK_MUX_GDM1_TO_GMAC1_ESW | \ MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) #define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ MTK_QDMA) #define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ MTK_MUX_U3_GMAC2_TO_QPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) #define MT7981_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ MTK_MUX_U3_GMAC2_TO_QPHY | MTK_U3_COPHY_V2 | \ MTK_RSTCTRL_PPE1 | MTK_SRAM) #define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ MTK_RSTCTRL_PPE1 | MTK_SRAM) #define MT7988_CAPS (MTK_36BIT_DMA | MTK_GDM1_ESW | MTK_QDMA | \ MTK_RSTCTRL_PPE1 | MTK_RSTCTRL_PPE2 | MTK_SRAM) struct mtk_tx_dma_desc_info { dma_addr_t addr; u32 size; u16 vlan_tci; u16 qid; u8 gso:1; u8 csum:1; u8 vlan:1; u8 first:1; u8 last:1; }; struct mtk_reg_map { u32 tx_irq_mask; u32 tx_irq_status; struct { u32 rx_ptr; /* rx base pointer */ u32 rx_cnt_cfg; /* rx max count configuration */ u32 pcrx_ptr; /* rx cpu pointer */ u32 glo_cfg; /* global configuration */ u32 rst_idx; /* reset index */ u32 delay_irq; /* delay interrupt */ u32 irq_status; /* interrupt status */ u32 irq_mask; /* interrupt mask */ u32 adma_rx_dbg0; u32 int_grp; } pdma; struct { u32 qtx_cfg; /* tx queue configuration */ u32 qtx_sch; /* tx queue scheduler configuration */ u32 rx_ptr; /* rx base pointer */ u32 rx_cnt_cfg; /* rx max count configuration */ u32 qcrx_ptr; /* rx cpu pointer */ u32 glo_cfg; /* global configuration */ u32 rst_idx; /* reset index */ u32 delay_irq; /* delay interrupt */ u32 fc_th; /* flow control */ u32 int_grp; u32 hred; /* interrupt mask */ u32 ctx_ptr; /* tx acquire cpu pointer */ u32 dtx_ptr; /* tx acquire dma pointer */ u32 crx_ptr; /* tx release cpu pointer */ u32 drx_ptr; /* tx release dma pointer */ u32 fq_head; /* fq head pointer */ u32 fq_tail; /* fq tail pointer */ u32 fq_count; /* fq free page count */ u32 fq_blen; /* fq free page buffer length */ u32 tx_sch_rate; /* tx scheduler rate control registers */ } qdma; u32 gdm1_cnt; u32 gdma_to_ppe; u32 ppe_base; u32 wdma_base[3]; u32 pse_iq_sta; u32 pse_oq_sta; }; /* struct mtk_eth_data - This is the structure holding all differences * among various plaforms * @reg_map Soc register map. * @ana_rgc3: The offset for register ANA_RGC3 related to * sgmiisys syscon * @caps Flags shown the extra capability for the SoC * @hw_features Flags shown HW features * @required_clks Flags shown the bitmap for required clocks on * the target SoC * @required_pctl A bool value to show whether the SoC requires * the extra setup for those pins used by GMAC. * @hash_offset Flow table hash offset. * @version SoC version. * @foe_entry_size Foe table entry size. * @has_accounting Bool indicating support for accounting of * offloaded flows. * @desc_size Tx/Rx DMA descriptor size. * @irq_done_mask Rx irq done register mask. * @dma_l4_valid Rx DMA valid register mask. * @dma_max_len Max DMA tx/rx buffer length. * @dma_len_offset Tx/Rx DMA length field offset. */ struct mtk_soc_data { const struct mtk_reg_map *reg_map; u32 ana_rgc3; u64 caps; u64 required_clks; bool required_pctl; u8 offload_version; u8 hash_offset; u8 version; u16 foe_entry_size; netdev_features_t hw_features; bool has_accounting; bool disable_pll_modes; struct { u32 desc_size; u32 dma_max_len; u32 dma_len_offset; u32 dma_size; u32 fq_dma_size; } tx; struct { u32 desc_size; u32 irq_done_mask; u32 dma_l4_valid; u32 dma_max_len; u32 dma_len_offset; u32 dma_size; } rx; }; #define MTK_DMA_MONITOR_TIMEOUT msecs_to_jiffies(1000) /* currently no SoC has more than 3 macs */ #define MTK_MAX_DEVS 3 /* struct mtk_eth - This is the main datasructure for holding the state * of the driver * @dev: The device pointer * @dev: The device pointer used for dma mapping/alloc * @base: The mapped register i/o base * @page_lock: Make sure that register operations are atomic * @tx_irq__lock: Make sure that IRQ register operations are atomic * @rx_irq__lock: Make sure that IRQ register operations are atomic * @dim_lock: Make sure that Net DIM operations are atomic * @dummy_dev: we run 2 netdevs on 1 physical DMA ring and need a * dummy for NAPI to work * @netdev: The netdev instances * @mac: Each netdev is linked to a physical MAC * @irq: The IRQ that we are using * @msg_enable: Ethtool msg level * @ethsys: The register map pointing at the range used to setup * MII modes * @infra: The register map pointing at the range used to setup * SGMII and GePHY path * @sgmii_pcs: Pointers to mtk-pcs-lynxi phylink_pcs instances * @pctl: The register map pointing at the range used to setup * GMAC port drive/slew values * @dma_refcnt: track how many netdevs are using the DMA engine * @tx_ring: Pointer to the memory holding info about the TX ring * @rx_ring: Pointer to the memory holding info about the RX ring * @rx_ring_qdma: Pointer to the memory holding info about the QDMA RX ring * @tx_napi: The TX NAPI struct * @rx_napi: The RX NAPI struct * @rx_events: Net DIM RX event counter * @rx_packets: Net DIM RX packet counter * @rx_bytes: Net DIM RX byte counter * @rx_dim: Net DIM RX context * @tx_events: Net DIM TX event counter * @tx_packets: Net DIM TX packet counter * @tx_bytes: Net DIM TX byte counter * @tx_dim: Net DIM TX context * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring * @phy_scratch_ring: physical address of scratch_ring * @scratch_head: The scratch memory that scratch_ring points to. * @clks: clock array for all clocks required * @mii_bus: If there is a bus we need to create an instance for it * @pending_work: The workqueue used to reset the dma ring * @state: Initialization and runtime state of the device * @soc: Holding specific data among vaious SoCs */ struct mtk_eth { struct device *dev; struct device *dma_dev; void __iomem *base; void *sram_base; spinlock_t page_lock; spinlock_t tx_irq_lock; spinlock_t rx_irq_lock; struct net_device *dummy_dev; struct net_device *netdev[MTK_MAX_DEVS]; struct mtk_mac *mac[MTK_MAX_DEVS]; int irq[3]; u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; struct regmap *infra; struct phylink_pcs *sgmii_pcs[MTK_MAX_DEVS]; struct regmap *pctl; bool hwlro; refcount_t dma_refcnt; struct mtk_tx_ring tx_ring; struct mtk_rx_ring rx_ring[MTK_MAX_RX_RING_NUM]; struct mtk_rx_ring rx_ring_qdma; struct napi_struct tx_napi; struct napi_struct rx_napi; void *scratch_ring; dma_addr_t phy_scratch_ring; void *scratch_head[MTK_FQ_DMA_HEAD]; struct clk *clks[MTK_CLK_MAX]; struct mii_bus *mii_bus; struct work_struct pending_work; unsigned long state; const struct mtk_soc_data *soc; spinlock_t dim_lock; u32 rx_events; u32 rx_packets; u32 rx_bytes; struct dim rx_dim; u32 tx_events; u32 tx_packets; u32 tx_bytes; struct dim tx_dim; int ip_align; struct metadata_dst *dsa_meta[MTK_MAX_DSA_PORTS]; struct mtk_ppe *ppe[2]; struct rhashtable flow_table; struct bpf_prog __rcu *prog; struct { struct delayed_work monitor_work; u32 wdidx; u8 wdma_hang_count; u8 qdma_hang_count; u8 adma_hang_count; } reset; }; /* struct mtk_mac - the structure that holds the info about the MACs of the * SoC * @id: The number of the MAC * @interface: Interface mode kept for detecting change in hw settings * @of_node: Our devicetree node * @hw: Backpointer to our main datastruture * @hw_stats: Packet statistics counter */ struct mtk_mac { int id; phy_interface_t interface; int speed; struct device_node *of_node; struct phylink *phylink; struct phylink_config phylink_config; struct mtk_eth *hw; struct mtk_hw_stats *hw_stats; __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT]; int hwlro_ip_cnt; unsigned int syscfg0; struct notifier_block device_notifier; }; /* the struct describing the SoC. these are declared in the soc_xyz.c files */ extern const struct of_device_id of_mtk_match[]; static inline bool mtk_is_netsys_v1(struct mtk_eth *eth) { return eth->soc->version == 1; } static inline bool mtk_is_netsys_v2_or_greater(struct mtk_eth *eth) { return eth->soc->version > 1; } static inline bool mtk_is_netsys_v3_or_greater(struct mtk_eth *eth) { return eth->soc->version > 2; } static inline struct mtk_foe_entry * mtk_foe_get_entry(struct mtk_ppe *ppe, u16 hash) { const struct mtk_soc_data *soc = ppe->eth->soc; return ppe->foe_table + hash * soc->foe_entry_size; } static inline u32 mtk_get_ib1_ts_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB1_BIND_TIMESTAMP_V2; return MTK_FOE_IB1_BIND_TIMESTAMP; } static inline u32 mtk_get_ib1_ppoe_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB1_BIND_PPPOE_V2; return MTK_FOE_IB1_BIND_PPPOE; } static inline u32 mtk_get_ib1_vlan_tag_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB1_BIND_VLAN_TAG_V2; return MTK_FOE_IB1_BIND_VLAN_TAG; } static inline u32 mtk_get_ib1_vlan_layer_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB1_BIND_VLAN_LAYER_V2; return MTK_FOE_IB1_BIND_VLAN_LAYER; } static inline u32 mtk_prep_ib1_vlan_layer(struct mtk_eth *eth, u32 val) { if (mtk_is_netsys_v2_or_greater(eth)) return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val); return FIELD_PREP(MTK_FOE_IB1_BIND_VLAN_LAYER, val); } static inline u32 mtk_get_ib1_vlan_layer(struct mtk_eth *eth, u32 val) { if (mtk_is_netsys_v2_or_greater(eth)) return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER_V2, val); return FIELD_GET(MTK_FOE_IB1_BIND_VLAN_LAYER, val); } static inline u32 mtk_get_ib1_pkt_type_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB1_PACKET_TYPE_V2; return MTK_FOE_IB1_PACKET_TYPE; } static inline u32 mtk_get_ib1_pkt_type(struct mtk_eth *eth, u32 val) { if (mtk_is_netsys_v2_or_greater(eth)) return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE_V2, val); return FIELD_GET(MTK_FOE_IB1_PACKET_TYPE, val); } static inline u32 mtk_get_ib2_multicast_mask(struct mtk_eth *eth) { if (mtk_is_netsys_v2_or_greater(eth)) return MTK_FOE_IB2_MULTICAST_V2; return MTK_FOE_IB2_MULTICAST; } /* read the hardware status register */ void mtk_stats_update_mac(struct mtk_mac *mac); void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned int reg); int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_eth_offload_init(struct mtk_eth *eth); int mtk_eth_setup_tc(struct net_device *dev, enum tc_setup_type type, void *type_data); int mtk_flow_offload_cmd(struct mtk_eth *eth, struct flow_cls_offload *cls, int ppe_index); void mtk_flow_offload_cleanup(struct mtk_eth *eth, struct list_head *list); void mtk_eth_set_dma_device(struct mtk_eth *eth, struct device *dma_dev); #endif /* MTK_ETH_H */
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