| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Florian Fainelli | 2097 | 89.27% | 23 | 54.76% |
| Petri Gynther | 162 | 6.90% | 13 | 30.95% |
| Doug Berger | 80 | 3.41% | 5 | 11.90% |
| Jaedon Shin | 10 | 0.43% | 1 | 2.38% |
| Total | 2349 | 42 |
/* * Copyright (c) 2014-2017 Broadcom * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __BCMGENET_H__ #define __BCMGENET_H__ #include <linux/skbuff.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <linux/clk.h> #include <linux/mii.h> #include <linux/if_vlan.h> #include <linux/phy.h> #include <linux/net_dim.h> /* total number of Buffer Descriptors, same for Rx/Tx */ #define TOTAL_DESC 256 /* which ring is descriptor based */ #define DESC_INDEX 16 /* Body(1500) + EH_SIZE(14) + VLANTAG(4) + BRCMTAG(6) + FCS(4) = 1528. * 1536 is multiple of 256 bytes */ #define ENET_BRCM_TAG_LEN 6 #define ENET_PAD 8 #define ENET_MAX_MTU_SIZE (ETH_DATA_LEN + ETH_HLEN + VLAN_HLEN + \ ENET_BRCM_TAG_LEN + ETH_FCS_LEN + ENET_PAD) #define DMA_MAX_BURST_LENGTH 0x10 /* misc. configuration */ #define CLEAR_ALL_HFB 0xFF #define DMA_FC_THRESH_HI (TOTAL_DESC >> 4) #define DMA_FC_THRESH_LO 5 /* 64B receive/transmit status block */ struct status_64 { u32 length_status; /* length and peripheral status */ u32 ext_status; /* Extended status*/ u32 rx_csum; /* partial rx checksum */ u32 unused1[9]; /* unused */ u32 tx_csum_info; /* Tx checksum info. */ u32 unused2[3]; /* unused */ }; /* Rx status bits */ #define STATUS_RX_EXT_MASK 0x1FFFFF #define STATUS_RX_CSUM_MASK 0xFFFF #define STATUS_RX_CSUM_OK 0x10000 #define STATUS_RX_CSUM_FR 0x20000 #define STATUS_RX_PROTO_TCP 0 #define STATUS_RX_PROTO_UDP 1 #define STATUS_RX_PROTO_ICMP 2 #define STATUS_RX_PROTO_OTHER 3 #define STATUS_RX_PROTO_MASK 3 #define STATUS_RX_PROTO_SHIFT 18 #define STATUS_FILTER_INDEX_MASK 0xFFFF /* Tx status bits */ #define STATUS_TX_CSUM_START_MASK 0X7FFF #define STATUS_TX_CSUM_START_SHIFT 16 #define STATUS_TX_CSUM_PROTO_UDP 0x8000 #define STATUS_TX_CSUM_OFFSET_MASK 0x7FFF #define STATUS_TX_CSUM_LV 0x80000000 /* DMA Descriptor */ #define DMA_DESC_LENGTH_STATUS 0x00 /* in bytes of data in buffer */ #define DMA_DESC_ADDRESS_LO 0x04 /* lower bits of PA */ #define DMA_DESC_ADDRESS_HI 0x08 /* upper 32 bits of PA, GENETv4+ */ /* Rx/Tx common counter group */ struct bcmgenet_pkt_counters { u32 cnt_64; /* RO Received/Transmited 64 bytes packet */ u32 cnt_127; /* RO Rx/Tx 127 bytes packet */ u32 cnt_255; /* RO Rx/Tx 65-255 bytes packet */ u32 cnt_511; /* RO Rx/Tx 256-511 bytes packet */ u32 cnt_1023; /* RO Rx/Tx 512-1023 bytes packet */ u32 cnt_1518; /* RO Rx/Tx 1024-1518 bytes packet */ u32 cnt_mgv; /* RO Rx/Tx 1519-1522 good VLAN packet */ u32 cnt_2047; /* RO Rx/Tx 1522-2047 bytes packet*/ u32 cnt_4095; /* RO Rx/Tx 2048-4095 bytes packet*/ u32 cnt_9216; /* RO Rx/Tx 4096-9216 bytes packet*/ }; /* RSV, Receive Status Vector */ struct bcmgenet_rx_counters { struct bcmgenet_pkt_counters pkt_cnt; u32 pkt; /* RO (0x428) Received pkt count*/ u32 bytes; /* RO Received byte count */ u32 mca; /* RO # of Received multicast pkt */ u32 bca; /* RO # of Receive broadcast pkt */ u32 fcs; /* RO # of Received FCS error */ u32 cf; /* RO # of Received control frame pkt*/ u32 pf; /* RO # of Received pause frame pkt */ u32 uo; /* RO # of unknown op code pkt */ u32 aln; /* RO # of alignment error count */ u32 flr; /* RO # of frame length out of range count */ u32 cde; /* RO # of code error pkt */ u32 fcr; /* RO # of carrier sense error pkt */ u32 ovr; /* RO # of oversize pkt*/ u32 jbr; /* RO # of jabber count */ u32 mtue; /* RO # of MTU error pkt*/ u32 pok; /* RO # of Received good pkt */ u32 uc; /* RO # of unicast pkt */ u32 ppp; /* RO # of PPP pkt */ u32 rcrc; /* RO (0x470),# of CRC match pkt */ }; /* TSV, Transmit Status Vector */ struct bcmgenet_tx_counters { struct bcmgenet_pkt_counters pkt_cnt; u32 pkts; /* RO (0x4a8) Transmited pkt */ u32 mca; /* RO # of xmited multicast pkt */ u32 bca; /* RO # of xmited broadcast pkt */ u32 pf; /* RO # of xmited pause frame count */ u32 cf; /* RO # of xmited control frame count */ u32 fcs; /* RO # of xmited FCS error count */ u32 ovr; /* RO # of xmited oversize pkt */ u32 drf; /* RO # of xmited deferral pkt */ u32 edf; /* RO # of xmited Excessive deferral pkt*/ u32 scl; /* RO # of xmited single collision pkt */ u32 mcl; /* RO # of xmited multiple collision pkt*/ u32 lcl; /* RO # of xmited late collision pkt */ u32 ecl; /* RO # of xmited excessive collision pkt*/ u32 frg; /* RO # of xmited fragments pkt*/ u32 ncl; /* RO # of xmited total collision count */ u32 jbr; /* RO # of xmited jabber count*/ u32 bytes; /* RO # of xmited byte count */ u32 pok; /* RO # of xmited good pkt */ u32 uc; /* RO (0x0x4f0)# of xmited unitcast pkt */ }; struct bcmgenet_mib_counters { struct bcmgenet_rx_counters rx; struct bcmgenet_tx_counters tx; u32 rx_runt_cnt; u32 rx_runt_fcs; u32 rx_runt_fcs_align; u32 rx_runt_bytes; u32 rbuf_ovflow_cnt; u32 rbuf_err_cnt; u32 mdf_err_cnt; u32 alloc_rx_buff_failed; u32 rx_dma_failed; u32 tx_dma_failed; }; #define UMAC_HD_BKP_CTRL 0x004 #define HD_FC_EN (1 << 0) #define HD_FC_BKOFF_OK (1 << 1) #define IPG_CONFIG_RX_SHIFT 2 #define IPG_CONFIG_RX_MASK 0x1F #define UMAC_CMD 0x008 #define CMD_TX_EN (1 << 0) #define CMD_RX_EN (1 << 1) #define UMAC_SPEED_10 0 #define UMAC_SPEED_100 1 #define UMAC_SPEED_1000 2 #define UMAC_SPEED_2500 3 #define CMD_SPEED_SHIFT 2 #define CMD_SPEED_MASK 3 #define CMD_PROMISC (1 << 4) #define CMD_PAD_EN (1 << 5) #define CMD_CRC_FWD (1 << 6) #define CMD_PAUSE_FWD (1 << 7) #define CMD_RX_PAUSE_IGNORE (1 << 8) #define CMD_TX_ADDR_INS (1 << 9) #define CMD_HD_EN (1 << 10) #define CMD_SW_RESET (1 << 13) #define CMD_LCL_LOOP_EN (1 << 15) #define CMD_AUTO_CONFIG (1 << 22) #define CMD_CNTL_FRM_EN (1 << 23) #define CMD_NO_LEN_CHK (1 << 24) #define CMD_RMT_LOOP_EN (1 << 25) #define CMD_PRBL_EN (1 << 27) #define CMD_TX_PAUSE_IGNORE (1 << 28) #define CMD_TX_RX_EN (1 << 29) #define CMD_RUNT_FILTER_DIS (1 << 30) #define UMAC_MAC0 0x00C #define UMAC_MAC1 0x010 #define UMAC_MAX_FRAME_LEN 0x014 #define UMAC_MODE 0x44 #define MODE_LINK_STATUS (1 << 5) #define UMAC_EEE_CTRL 0x064 #define EN_LPI_RX_PAUSE (1 << 0) #define EN_LPI_TX_PFC (1 << 1) #define EN_LPI_TX_PAUSE (1 << 2) #define EEE_EN (1 << 3) #define RX_FIFO_CHECK (1 << 4) #define EEE_TX_CLK_DIS (1 << 5) #define DIS_EEE_10M (1 << 6) #define LP_IDLE_PREDICTION_MODE (1 << 7) #define UMAC_EEE_LPI_TIMER 0x068 #define UMAC_EEE_WAKE_TIMER 0x06C #define UMAC_EEE_REF_COUNT 0x070 #define EEE_REFERENCE_COUNT_MASK 0xffff #define UMAC_TX_FLUSH 0x334 #define UMAC_MIB_START 0x400 #define UMAC_MDIO_CMD 0x614 #define MDIO_START_BUSY (1 << 29) #define MDIO_READ_FAIL (1 << 28) #define MDIO_RD (2 << 26) #define MDIO_WR (1 << 26) #define MDIO_PMD_SHIFT 21 #define MDIO_PMD_MASK 0x1F #define MDIO_REG_SHIFT 16 #define MDIO_REG_MASK 0x1F #define UMAC_RBUF_OVFL_CNT_V1 0x61C #define RBUF_OVFL_CNT_V2 0x80 #define RBUF_OVFL_CNT_V3PLUS 0x94 #define UMAC_MPD_CTRL 0x620 #define MPD_EN (1 << 0) #define MPD_PW_EN (1 << 27) #define MPD_MSEQ_LEN_SHIFT 16 #define MPD_MSEQ_LEN_MASK 0xFF #define UMAC_MPD_PW_MS 0x624 #define UMAC_MPD_PW_LS 0x628 #define UMAC_RBUF_ERR_CNT_V1 0x634 #define RBUF_ERR_CNT_V2 0x84 #define RBUF_ERR_CNT_V3PLUS 0x98 #define UMAC_MDF_ERR_CNT 0x638 #define UMAC_MDF_CTRL 0x650 #define UMAC_MDF_ADDR 0x654 #define UMAC_MIB_CTRL 0x580 #define MIB_RESET_RX (1 << 0) #define MIB_RESET_RUNT (1 << 1) #define MIB_RESET_TX (1 << 2) #define RBUF_CTRL 0x00 #define RBUF_64B_EN (1 << 0) #define RBUF_ALIGN_2B (1 << 1) #define RBUF_BAD_DIS (1 << 2) #define RBUF_STATUS 0x0C #define RBUF_STATUS_WOL (1 << 0) #define RBUF_STATUS_MPD_INTR_ACTIVE (1 << 1) #define RBUF_STATUS_ACPI_INTR_ACTIVE (1 << 2) #define RBUF_CHK_CTRL 0x14 #define RBUF_RXCHK_EN (1 << 0) #define RBUF_SKIP_FCS (1 << 4) #define RBUF_ENERGY_CTRL 0x9c #define RBUF_EEE_EN (1 << 0) #define RBUF_PM_EN (1 << 1) #define RBUF_TBUF_SIZE_CTRL 0xb4 #define RBUF_HFB_CTRL_V1 0x38 #define RBUF_HFB_FILTER_EN_SHIFT 16 #define RBUF_HFB_FILTER_EN_MASK 0xffff0000 #define RBUF_HFB_EN (1 << 0) #define RBUF_HFB_256B (1 << 1) #define RBUF_ACPI_EN (1 << 2) #define RBUF_HFB_LEN_V1 0x3C #define RBUF_FLTR_LEN_MASK 0xFF #define RBUF_FLTR_LEN_SHIFT 8 #define TBUF_CTRL 0x00 #define TBUF_BP_MC 0x0C #define TBUF_ENERGY_CTRL 0x14 #define TBUF_EEE_EN (1 << 0) #define TBUF_PM_EN (1 << 1) #define TBUF_CTRL_V1 0x80 #define TBUF_BP_MC_V1 0xA0 #define HFB_CTRL 0x00 #define HFB_FLT_ENABLE_V3PLUS 0x04 #define HFB_FLT_LEN_V2 0x04 #define HFB_FLT_LEN_V3PLUS 0x1C /* uniMac intrl2 registers */ #define INTRL2_CPU_STAT 0x00 #define INTRL2_CPU_SET 0x04 #define INTRL2_CPU_CLEAR 0x08 #define INTRL2_CPU_MASK_STATUS 0x0C #define INTRL2_CPU_MASK_SET 0x10 #define INTRL2_CPU_MASK_CLEAR 0x14 /* INTRL2 instance 0 definitions */ #define UMAC_IRQ_SCB (1 << 0) #define UMAC_IRQ_EPHY (1 << 1) #define UMAC_IRQ_PHY_DET_R (1 << 2) #define UMAC_IRQ_PHY_DET_F (1 << 3) #define UMAC_IRQ_LINK_UP (1 << 4) #define UMAC_IRQ_LINK_DOWN (1 << 5) #define UMAC_IRQ_LINK_EVENT (UMAC_IRQ_LINK_UP | UMAC_IRQ_LINK_DOWN) #define UMAC_IRQ_UMAC (1 << 6) #define UMAC_IRQ_UMAC_TSV (1 << 7) #define UMAC_IRQ_TBUF_UNDERRUN (1 << 8) #define UMAC_IRQ_RBUF_OVERFLOW (1 << 9) #define UMAC_IRQ_HFB_SM (1 << 10) #define UMAC_IRQ_HFB_MM (1 << 11) #define UMAC_IRQ_MPD_R (1 << 12) #define UMAC_IRQ_RXDMA_MBDONE (1 << 13) #define UMAC_IRQ_RXDMA_PDONE (1 << 14) #define UMAC_IRQ_RXDMA_BDONE (1 << 15) #define UMAC_IRQ_RXDMA_DONE UMAC_IRQ_RXDMA_MBDONE #define UMAC_IRQ_TXDMA_MBDONE (1 << 16) #define UMAC_IRQ_TXDMA_PDONE (1 << 17) #define UMAC_IRQ_TXDMA_BDONE (1 << 18) #define UMAC_IRQ_TXDMA_DONE UMAC_IRQ_TXDMA_MBDONE /* Only valid for GENETv3+ */ #define UMAC_IRQ_MDIO_DONE (1 << 23) #define UMAC_IRQ_MDIO_ERROR (1 << 24) /* INTRL2 instance 1 definitions */ #define UMAC_IRQ1_TX_INTR_MASK 0xFFFF #define UMAC_IRQ1_RX_INTR_MASK 0xFFFF #define UMAC_IRQ1_RX_INTR_SHIFT 16 /* Register block offsets */ #define GENET_SYS_OFF 0x0000 #define GENET_GR_BRIDGE_OFF 0x0040 #define GENET_EXT_OFF 0x0080 #define GENET_INTRL2_0_OFF 0x0200 #define GENET_INTRL2_1_OFF 0x0240 #define GENET_RBUF_OFF 0x0300 #define GENET_UMAC_OFF 0x0800 /* SYS block offsets and register definitions */ #define SYS_REV_CTRL 0x00 #define SYS_PORT_CTRL 0x04 #define PORT_MODE_INT_EPHY 0 #define PORT_MODE_INT_GPHY 1 #define PORT_MODE_EXT_EPHY 2 #define PORT_MODE_EXT_GPHY 3 #define PORT_MODE_EXT_RVMII_25 (4 | BIT(4)) #define PORT_MODE_EXT_RVMII_50 4 #define LED_ACT_SOURCE_MAC (1 << 9) #define SYS_RBUF_FLUSH_CTRL 0x08 #define SYS_TBUF_FLUSH_CTRL 0x0C #define RBUF_FLUSH_CTRL_V1 0x04 /* Ext block register offsets and definitions */ #define EXT_EXT_PWR_MGMT 0x00 #define EXT_PWR_DOWN_BIAS (1 << 0) #define EXT_PWR_DOWN_DLL (1 << 1) #define EXT_PWR_DOWN_PHY (1 << 2) #define EXT_PWR_DN_EN_LD (1 << 3) #define EXT_ENERGY_DET (1 << 4) #define EXT_IDDQ_FROM_PHY (1 << 5) #define EXT_IDDQ_GLBL_PWR (1 << 7) #define EXT_PHY_RESET (1 << 8) #define EXT_ENERGY_DET_MASK (1 << 12) #define EXT_PWR_DOWN_PHY_TX (1 << 16) #define EXT_PWR_DOWN_PHY_RX (1 << 17) #define EXT_PWR_DOWN_PHY_SD (1 << 18) #define EXT_PWR_DOWN_PHY_RD (1 << 19) #define EXT_PWR_DOWN_PHY_EN (1 << 20) #define EXT_RGMII_OOB_CTRL 0x0C #define RGMII_LINK (1 << 4) #define OOB_DISABLE (1 << 5) #define RGMII_MODE_EN (1 << 6) #define ID_MODE_DIS (1 << 16) #define EXT_GPHY_CTRL 0x1C #define EXT_CFG_IDDQ_BIAS (1 << 0) #define EXT_CFG_PWR_DOWN (1 << 1) #define EXT_CK25_DIS (1 << 4) #define EXT_GPHY_RESET (1 << 5) /* DMA rings size */ #define DMA_RING_SIZE (0x40) #define DMA_RINGS_SIZE (DMA_RING_SIZE * (DESC_INDEX + 1)) /* DMA registers common definitions */ #define DMA_RW_POINTER_MASK 0x1FF #define DMA_P_INDEX_DISCARD_CNT_MASK 0xFFFF #define DMA_P_INDEX_DISCARD_CNT_SHIFT 16 #define DMA_BUFFER_DONE_CNT_MASK 0xFFFF #define DMA_BUFFER_DONE_CNT_SHIFT 16 #define DMA_P_INDEX_MASK 0xFFFF #define DMA_C_INDEX_MASK 0xFFFF /* DMA ring size register */ #define DMA_RING_SIZE_MASK 0xFFFF #define DMA_RING_SIZE_SHIFT 16 #define DMA_RING_BUFFER_SIZE_MASK 0xFFFF /* DMA interrupt threshold register */ #define DMA_INTR_THRESHOLD_MASK 0x01FF /* DMA XON/XOFF register */ #define DMA_XON_THREHOLD_MASK 0xFFFF #define DMA_XOFF_THRESHOLD_MASK 0xFFFF #define DMA_XOFF_THRESHOLD_SHIFT 16 /* DMA flow period register */ #define DMA_FLOW_PERIOD_MASK 0xFFFF #define DMA_MAX_PKT_SIZE_MASK 0xFFFF #define DMA_MAX_PKT_SIZE_SHIFT 16 /* DMA control register */ #define DMA_EN (1 << 0) #define DMA_RING_BUF_EN_SHIFT 0x01 #define DMA_RING_BUF_EN_MASK 0xFFFF #define DMA_TSB_SWAP_EN (1 << 20) /* DMA status register */ #define DMA_DISABLED (1 << 0) #define DMA_DESC_RAM_INIT_BUSY (1 << 1) /* DMA SCB burst size register */ #define DMA_SCB_BURST_SIZE_MASK 0x1F /* DMA activity vector register */ #define DMA_ACTIVITY_VECTOR_MASK 0x1FFFF /* DMA backpressure mask register */ #define DMA_BACKPRESSURE_MASK 0x1FFFF #define DMA_PFC_ENABLE (1 << 31) /* DMA backpressure status register */ #define DMA_BACKPRESSURE_STATUS_MASK 0x1FFFF /* DMA override register */ #define DMA_LITTLE_ENDIAN_MODE (1 << 0) #define DMA_REGISTER_MODE (1 << 1) /* DMA timeout register */ #define DMA_TIMEOUT_MASK 0xFFFF #define DMA_TIMEOUT_VAL 5000 /* micro seconds */ /* TDMA rate limiting control register */ #define DMA_RATE_LIMIT_EN_MASK 0xFFFF /* TDMA arbitration control register */ #define DMA_ARBITER_MODE_MASK 0x03 #define DMA_RING_BUF_PRIORITY_MASK 0x1F #define DMA_RING_BUF_PRIORITY_SHIFT 5 #define DMA_PRIO_REG_INDEX(q) ((q) / 6) #define DMA_PRIO_REG_SHIFT(q) (((q) % 6) * DMA_RING_BUF_PRIORITY_SHIFT) #define DMA_RATE_ADJ_MASK 0xFF /* Tx/Rx Dma Descriptor common bits*/ #define DMA_BUFLENGTH_MASK 0x0fff #define DMA_BUFLENGTH_SHIFT 16 #define DMA_OWN 0x8000 #define DMA_EOP 0x4000 #define DMA_SOP 0x2000 #define DMA_WRAP 0x1000 /* Tx specific Dma descriptor bits */ #define DMA_TX_UNDERRUN 0x0200 #define DMA_TX_APPEND_CRC 0x0040 #define DMA_TX_OW_CRC 0x0020 #define DMA_TX_DO_CSUM 0x0010 #define DMA_TX_QTAG_SHIFT 7 /* Rx Specific Dma descriptor bits */ #define DMA_RX_CHK_V3PLUS 0x8000 #define DMA_RX_CHK_V12 0x1000 #define DMA_RX_BRDCAST 0x0040 #define DMA_RX_MULT 0x0020 #define DMA_RX_LG 0x0010 #define DMA_RX_NO 0x0008 #define DMA_RX_RXER 0x0004 #define DMA_RX_CRC_ERROR 0x0002 #define DMA_RX_OV 0x0001 #define DMA_RX_FI_MASK 0x001F #define DMA_RX_FI_SHIFT 0x0007 #define DMA_DESC_ALLOC_MASK 0x00FF #define DMA_ARBITER_RR 0x00 #define DMA_ARBITER_WRR 0x01 #define DMA_ARBITER_SP 0x02 struct enet_cb { struct sk_buff *skb; void __iomem *bd_addr; DEFINE_DMA_UNMAP_ADDR(dma_addr); DEFINE_DMA_UNMAP_LEN(dma_len); }; /* power management mode */ enum bcmgenet_power_mode { GENET_POWER_CABLE_SENSE = 0, GENET_POWER_PASSIVE, GENET_POWER_WOL_MAGIC, }; struct bcmgenet_priv; /* We support both runtime GENET detection and compile-time * to optimize code-paths for a given hardware */ enum bcmgenet_version { GENET_V1 = 1, GENET_V2, GENET_V3, GENET_V4, GENET_V5 }; #define GENET_IS_V1(p) ((p)->version == GENET_V1) #define GENET_IS_V2(p) ((p)->version == GENET_V2) #define GENET_IS_V3(p) ((p)->version == GENET_V3) #define GENET_IS_V4(p) ((p)->version == GENET_V4) #define GENET_IS_V5(p) ((p)->version == GENET_V5) /* Hardware flags */ #define GENET_HAS_40BITS (1 << 0) #define GENET_HAS_EXT (1 << 1) #define GENET_HAS_MDIO_INTR (1 << 2) #define GENET_HAS_MOCA_LINK_DET (1 << 3) /* BCMGENET hardware parameters, keep this structure nicely aligned * since it is going to be used in hot paths */ struct bcmgenet_hw_params { u8 tx_queues; u8 tx_bds_per_q; u8 rx_queues; u8 rx_bds_per_q; u8 bp_in_en_shift; u32 bp_in_mask; u8 hfb_filter_cnt; u8 hfb_filter_size; u8 qtag_mask; u16 tbuf_offset; u32 hfb_offset; u32 hfb_reg_offset; u32 rdma_offset; u32 tdma_offset; u32 words_per_bd; u32 flags; }; struct bcmgenet_skb_cb { struct enet_cb *first_cb; /* First control block of SKB */ struct enet_cb *last_cb; /* Last control block of SKB */ unsigned int bytes_sent; /* bytes on the wire (no TSB) */ }; #define GENET_CB(skb) ((struct bcmgenet_skb_cb *)((skb)->cb)) struct bcmgenet_tx_ring { spinlock_t lock; /* ring lock */ struct napi_struct napi; /* NAPI per tx queue */ unsigned long packets; unsigned long bytes; unsigned int index; /* ring index */ unsigned int queue; /* queue index */ struct enet_cb *cbs; /* tx ring buffer control block*/ unsigned int size; /* size of each tx ring */ unsigned int clean_ptr; /* Tx ring clean pointer */ unsigned int c_index; /* last consumer index of each ring*/ unsigned int free_bds; /* # of free bds for each ring */ unsigned int write_ptr; /* Tx ring write pointer SW copy */ unsigned int prod_index; /* Tx ring producer index SW copy */ unsigned int cb_ptr; /* Tx ring initial CB ptr */ unsigned int end_ptr; /* Tx ring end CB ptr */ void (*int_enable)(struct bcmgenet_tx_ring *); void (*int_disable)(struct bcmgenet_tx_ring *); struct bcmgenet_priv *priv; }; struct bcmgenet_net_dim { u16 use_dim; u16 event_ctr; unsigned long packets; unsigned long bytes; struct net_dim dim; }; struct bcmgenet_rx_ring { struct napi_struct napi; /* Rx NAPI struct */ unsigned long bytes; unsigned long packets; unsigned long errors; unsigned long dropped; unsigned int index; /* Rx ring index */ struct enet_cb *cbs; /* Rx ring buffer control block */ unsigned int size; /* Rx ring size */ unsigned int c_index; /* Rx last consumer index */ unsigned int read_ptr; /* Rx ring read pointer */ unsigned int cb_ptr; /* Rx ring initial CB ptr */ unsigned int end_ptr; /* Rx ring end CB ptr */ unsigned int old_discards; struct bcmgenet_net_dim dim; u32 rx_max_coalesced_frames; u32 rx_coalesce_usecs; void (*int_enable)(struct bcmgenet_rx_ring *); void (*int_disable)(struct bcmgenet_rx_ring *); struct bcmgenet_priv *priv; }; /* device context */ struct bcmgenet_priv { void __iomem *base; enum bcmgenet_version version; struct net_device *dev; /* transmit variables */ void __iomem *tx_bds; struct enet_cb *tx_cbs; unsigned int num_tx_bds; struct bcmgenet_tx_ring tx_rings[DESC_INDEX + 1]; /* receive variables */ void __iomem *rx_bds; struct enet_cb *rx_cbs; unsigned int num_rx_bds; unsigned int rx_buf_len; struct bcmgenet_rx_ring rx_rings[DESC_INDEX + 1]; /* other misc variables */ struct bcmgenet_hw_params *hw_params; /* MDIO bus variables */ wait_queue_head_t wq; bool internal_phy; struct device_node *phy_dn; struct device_node *mdio_dn; struct mii_bus *mii_bus; u16 gphy_rev; struct clk *clk_eee; bool clk_eee_enabled; /* PHY device variables */ int old_link; int old_speed; int old_duplex; int old_pause; phy_interface_t phy_interface; int phy_addr; int ext_phy; /* Interrupt variables */ struct work_struct bcmgenet_irq_work; int irq0; int irq1; int wol_irq; bool wol_irq_disabled; /* shared status */ spinlock_t lock; unsigned int irq0_stat; /* HW descriptors/checksum variables */ bool desc_64b_en; bool desc_rxchk_en; bool crc_fwd_en; unsigned int dma_rx_chk_bit; u32 msg_enable; struct clk *clk; struct platform_device *pdev; struct platform_device *mii_pdev; /* WOL */ struct clk *clk_wol; u32 wolopts; struct bcmgenet_mib_counters mib; struct ethtool_eee eee; }; #define GENET_IO_MACRO(name, offset) \ static inline u32 bcmgenet_##name##_readl(struct bcmgenet_priv *priv, \ u32 off) \ { \ /* MIPS chips strapped for BE will automagically configure the \ * peripheral registers for CPU-native byte order. \ */ \ if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) \ return __raw_readl(priv->base + offset + off); \ else \ return readl_relaxed(priv->base + offset + off); \ } \ static inline void bcmgenet_##name##_writel(struct bcmgenet_priv *priv, \ u32 val, u32 off) \ { \ if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) \ __raw_writel(val, priv->base + offset + off); \ else \ writel_relaxed(val, priv->base + offset + off); \ } GENET_IO_MACRO(ext, GENET_EXT_OFF); GENET_IO_MACRO(umac, GENET_UMAC_OFF); GENET_IO_MACRO(sys, GENET_SYS_OFF); /* interrupt l2 registers accessors */ GENET_IO_MACRO(intrl2_0, GENET_INTRL2_0_OFF); GENET_IO_MACRO(intrl2_1, GENET_INTRL2_1_OFF); /* HFB register accessors */ GENET_IO_MACRO(hfb, priv->hw_params->hfb_offset); /* GENET v2+ HFB control and filter len helpers */ GENET_IO_MACRO(hfb_reg, priv->hw_params->hfb_reg_offset); /* RBUF register accessors */ GENET_IO_MACRO(rbuf, GENET_RBUF_OFF); /* MDIO routines */ int bcmgenet_mii_init(struct net_device *dev); int bcmgenet_mii_config(struct net_device *dev, bool init); int bcmgenet_mii_probe(struct net_device *dev); void bcmgenet_mii_exit(struct net_device *dev); void bcmgenet_phy_power_set(struct net_device *dev, bool enable); void bcmgenet_mii_setup(struct net_device *dev); /* Wake-on-LAN routines */ void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol); int bcmgenet_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol); int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv, enum bcmgenet_power_mode mode); void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv, enum bcmgenet_power_mode mode); #endif /* __BCMGENET_H__ */
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