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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018 Intel Corporation */
#ifndef _IGC_DEFINES_H_
#define _IGC_DEFINES_H_
/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
#define REQ_TX_DESCRIPTOR_MULTIPLE 8
#define REQ_RX_DESCRIPTOR_MULTIPLE 8
#define IGC_CTRL_EXT_DRV_LOAD 0x10000000 /* Drv loaded bit for FW */
/* Physical Func Reset Done Indication */
#define IGC_CTRL_EXT_LINK_MODE_MASK 0x00C00000
/* Loop limit on how long we wait for auto-negotiation to complete */
#define COPPER_LINK_UP_LIMIT 10
#define PHY_AUTO_NEG_LIMIT 45
#define PHY_FORCE_LIMIT 20
/* Number of 100 microseconds we wait for PCI Express master disable */
#define MASTER_DISABLE_TIMEOUT 800
/*Blocks new Master requests */
#define IGC_CTRL_GIO_MASTER_DISABLE 0x00000004
/* Status of Master requests. */
#define IGC_STATUS_GIO_MASTER_ENABLE 0x00080000
/* Receive Address
* Number of high/low register pairs in the RAR. The RAR (Receive Address
* Registers) holds the directed and multicast addresses that we monitor.
* Technically, we have 16 spots. However, we reserve one of these spots
* (RAR[15]) for our directed address used by controllers with
* manageability enabled, allowing us room for 15 multicast addresses.
*/
#define IGC_RAH_AV 0x80000000 /* Receive descriptor valid */
#define IGC_RAH_POOL_1 0x00040000
#define IGC_RAL_MAC_ADDR_LEN 4
#define IGC_RAH_MAC_ADDR_LEN 2
/* Error Codes */
#define IGC_SUCCESS 0
#define IGC_ERR_NVM 1
#define IGC_ERR_PHY 2
#define IGC_ERR_CONFIG 3
#define IGC_ERR_PARAM 4
#define IGC_ERR_MAC_INIT 5
#define IGC_ERR_RESET 9
#define IGC_ERR_MASTER_REQUESTS_PENDING 10
#define IGC_ERR_BLK_PHY_RESET 12
#define IGC_ERR_SWFW_SYNC 13
/* Device Control */
#define IGC_CTRL_DEV_RST 0x20000000 /* Device reset */
#define IGC_CTRL_PHY_RST 0x80000000 /* PHY Reset */
#define IGC_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
#define IGC_CTRL_FRCSPD 0x00000800 /* Force Speed */
#define IGC_CTRL_FRCDPX 0x00001000 /* Force Duplex */
#define IGC_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
#define IGC_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
#define IGC_CONNSW_AUTOSENSE_EN 0x1
/* As per the EAS the maximum supported size is 9.5KB (9728 bytes) */
#define MAX_JUMBO_FRAME_SIZE 0x2600
/* PBA constants */
#define IGC_PBA_34K 0x0022
/* SW Semaphore Register */
#define IGC_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
#define IGC_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
/* SWFW_SYNC Definitions */
#define IGC_SWFW_EEP_SM 0x1
#define IGC_SWFW_PHY0_SM 0x2
/* Autoneg Advertisement Register */
#define NWAY_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */
#define NWAY_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */
#define NWAY_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */
#define NWAY_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */
#define NWAY_AR_PAUSE 0x0400 /* Pause operation desired */
#define NWAY_AR_ASM_DIR 0x0800 /* Asymmetric Pause Direction bit */
/* Link Partner Ability Register (Base Page) */
#define NWAY_LPAR_PAUSE 0x0400 /* LP Pause operation desired */
#define NWAY_LPAR_ASM_DIR 0x0800 /* LP Asymmetric Pause Direction bit */
/* 1000BASE-T Control Register */
#define CR_1000T_ASYM_PAUSE 0x0080 /* Advertise asymmetric pause bit */
#define CR_1000T_HD_CAPS 0x0100 /* Advertise 1000T HD capability */
#define CR_1000T_FD_CAPS 0x0200 /* Advertise 1000T FD capability */
/* 1000BASE-T Status Register */
#define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
#define SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */
/* PHY GPY 211 registers */
#define STANDARD_AN_REG_MASK 0x0007 /* MMD */
#define ANEG_MULTIGBT_AN_CTRL 0x0020 /* MULTI GBT AN Control Register */
#define MMD_DEVADDR_SHIFT 16 /* Shift MMD to higher bits */
#define CR_2500T_FD_CAPS 0x0080 /* Advertise 2500T FD capability */
/* NVM Control */
/* Number of milliseconds for NVM auto read done after MAC reset. */
#define AUTO_READ_DONE_TIMEOUT 10
#define IGC_EECD_AUTO_RD 0x00000200 /* NVM Auto Read done */
#define IGC_EECD_REQ 0x00000040 /* NVM Access Request */
#define IGC_EECD_GNT 0x00000080 /* NVM Access Grant */
/* NVM Addressing bits based on type 0=small, 1=large */
#define IGC_EECD_ADDR_BITS 0x00000400
#define IGC_NVM_GRANT_ATTEMPTS 1000 /* NVM # attempts to gain grant */
#define IGC_EECD_SIZE_EX_MASK 0x00007800 /* NVM Size */
#define IGC_EECD_SIZE_EX_SHIFT 11
#define IGC_EECD_FLUPD_I225 0x00800000 /* Update FLASH */
#define IGC_EECD_FLUDONE_I225 0x04000000 /* Update FLASH done*/
#define IGC_EECD_FLASH_DETECTED_I225 0x00080000 /* FLASH detected */
#define IGC_FLUDONE_ATTEMPTS 20000
#define IGC_EERD_EEWR_MAX_COUNT 512 /* buffered EEPROM words rw */
/* Offset to data in NVM read/write registers */
#define IGC_NVM_RW_REG_DATA 16
#define IGC_NVM_RW_REG_DONE 2 /* Offset to READ/WRITE done bit */
#define IGC_NVM_RW_REG_START 1 /* Start operation */
#define IGC_NVM_RW_ADDR_SHIFT 2 /* Shift to the address bits */
#define IGC_NVM_POLL_READ 0 /* Flag for polling for read complete */
/* NVM Word Offsets */
#define NVM_CHECKSUM_REG 0x003F
/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
#define NVM_SUM 0xBABA
#define NVM_PBA_OFFSET_0 8
#define NVM_PBA_OFFSET_1 9
#define NVM_RESERVED_WORD 0xFFFF
#define NVM_PBA_PTR_GUARD 0xFAFA
#define NVM_WORD_SIZE_BASE_SHIFT 6
/* Collision related configuration parameters */
#define IGC_COLLISION_THRESHOLD 15
#define IGC_CT_SHIFT 4
#define IGC_COLLISION_DISTANCE 63
#define IGC_COLD_SHIFT 12
/* Device Status */
#define IGC_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
#define IGC_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
#define IGC_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
#define IGC_STATUS_FUNC_SHIFT 2
#define IGC_STATUS_FUNC_1 0x00000004 /* Function 1 */
#define IGC_STATUS_TXOFF 0x00000010 /* transmission paused */
#define IGC_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
#define IGC_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
#define IGC_STATUS_SPEED_2500 0x00400000 /* Speed 2.5Gb/s */
#define SPEED_10 10
#define SPEED_100 100
#define SPEED_1000 1000
#define SPEED_2500 2500
#define HALF_DUPLEX 1
#define FULL_DUPLEX 2
/* 1Gbps and 2.5Gbps half duplex is not supported, nor spec-compliant. */
#define ADVERTISE_10_HALF 0x0001
#define ADVERTISE_10_FULL 0x0002
#define ADVERTISE_100_HALF 0x0004
#define ADVERTISE_100_FULL 0x0008
#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */
#define ADVERTISE_1000_FULL 0x0020
#define ADVERTISE_2500_HALF 0x0040 /* Not used, just FYI */
#define ADVERTISE_2500_FULL 0x0080
#define IGC_ALL_SPEED_DUPLEX_2500 ( \
ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
ADVERTISE_100_FULL | ADVERTISE_1000_FULL | ADVERTISE_2500_FULL)
#define AUTONEG_ADVERTISE_SPEED_DEFAULT_2500 IGC_ALL_SPEED_DUPLEX_2500
/* Interrupt Cause Read */
#define IGC_ICR_TXDW BIT(0) /* Transmit desc written back */
#define IGC_ICR_TXQE BIT(1) /* Transmit Queue empty */
#define IGC_ICR_LSC BIT(2) /* Link Status Change */
#define IGC_ICR_RXSEQ BIT(3) /* Rx sequence error */
#define IGC_ICR_RXDMT0 BIT(4) /* Rx desc min. threshold (0) */
#define IGC_ICR_RXO BIT(6) /* Rx overrun */
#define IGC_ICR_RXT0 BIT(7) /* Rx timer intr (ring 0) */
#define IGC_ICR_DRSTA BIT(30) /* Device Reset Asserted */
/* If this bit asserted, the driver should claim the interrupt */
#define IGC_ICR_INT_ASSERTED BIT(31)
#define IGC_ICS_RXT0 IGC_ICR_RXT0 /* Rx timer intr */
#define IMS_ENABLE_MASK ( \
IGC_IMS_RXT0 | \
IGC_IMS_TXDW | \
IGC_IMS_RXDMT0 | \
IGC_IMS_RXSEQ | \
IGC_IMS_LSC)
/* Interrupt Mask Set */
#define IGC_IMS_TXDW IGC_ICR_TXDW /* Tx desc written back */
#define IGC_IMS_RXSEQ IGC_ICR_RXSEQ /* Rx sequence error */
#define IGC_IMS_LSC IGC_ICR_LSC /* Link Status Change */
#define IGC_IMS_DOUTSYNC IGC_ICR_DOUTSYNC /* NIC DMA out of sync */
#define IGC_IMS_DRSTA IGC_ICR_DRSTA /* Device Reset Asserted */
#define IGC_IMS_RXT0 IGC_ICR_RXT0 /* Rx timer intr */
#define IGC_IMS_RXDMT0 IGC_ICR_RXDMT0 /* Rx desc min. threshold */
#define IGC_QVECTOR_MASK 0x7FFC /* Q-vector mask */
#define IGC_ITR_VAL_MASK 0x04 /* ITR value mask */
/* Interrupt Cause Set */
#define IGC_ICS_LSC IGC_ICR_LSC /* Link Status Change */
#define IGC_ICS_RXDMT0 IGC_ICR_RXDMT0 /* rx desc min. threshold */
#define IGC_ICS_DRSTA IGC_ICR_DRSTA /* Device Reset Aserted */
#define IGC_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */
#define IGC_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
#define IGC_IVAR_VALID 0x80
#define IGC_GPIE_NSICR 0x00000001
#define IGC_GPIE_MSIX_MODE 0x00000010
#define IGC_GPIE_EIAME 0x40000000
#define IGC_GPIE_PBA 0x80000000
/* Transmit Descriptor bit definitions */
#define IGC_TXD_DTYP_D 0x00100000 /* Data Descriptor */
#define IGC_TXD_DTYP_C 0x00000000 /* Context Descriptor */
#define IGC_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
#define IGC_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
#define IGC_TXD_CMD_EOP 0x01000000 /* End of Packet */
#define IGC_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
#define IGC_TXD_CMD_IC 0x04000000 /* Insert Checksum */
#define IGC_TXD_CMD_RS 0x08000000 /* Report Status */
#define IGC_TXD_CMD_RPS 0x10000000 /* Report Packet Sent */
#define IGC_TXD_CMD_DEXT 0x20000000 /* Desc extension (0 = legacy) */
#define IGC_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
#define IGC_TXD_CMD_IDE 0x80000000 /* Enable Tidv register */
#define IGC_TXD_STAT_DD 0x00000001 /* Descriptor Done */
#define IGC_TXD_STAT_EC 0x00000002 /* Excess Collisions */
#define IGC_TXD_STAT_LC 0x00000004 /* Late Collisions */
#define IGC_TXD_STAT_TU 0x00000008 /* Transmit underrun */
#define IGC_TXD_CMD_TCP 0x01000000 /* TCP packet */
#define IGC_TXD_CMD_IP 0x02000000 /* IP packet */
#define IGC_TXD_CMD_TSE 0x04000000 /* TCP Seg enable */
#define IGC_TXD_STAT_TC 0x00000004 /* Tx Underrun */
#define IGC_TXD_EXTCMD_TSTAMP 0x00000010 /* IEEE1588 Timestamp packet */
/* Transmit Control */
#define IGC_TCTL_EN 0x00000002 /* enable Tx */
#define IGC_TCTL_PSP 0x00000008 /* pad short packets */
#define IGC_TCTL_CT 0x00000ff0 /* collision threshold */
#define IGC_TCTL_COLD 0x003ff000 /* collision distance */
#define IGC_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
#define IGC_TCTL_MULR 0x10000000 /* Multiple request support */
/* Flow Control Constants */
#define FLOW_CONTROL_ADDRESS_LOW 0x00C28001
#define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
#define FLOW_CONTROL_TYPE 0x8808
/* Enable XON frame transmission */
#define IGC_FCRTL_XONE 0x80000000
/* Management Control */
#define IGC_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
#define IGC_MANC_BLK_PHY_RST_ON_IDE 0x00040000 /* Block phy resets */
/* Receive Control */
#define IGC_RCTL_RST 0x00000001 /* Software reset */
#define IGC_RCTL_EN 0x00000002 /* enable */
#define IGC_RCTL_SBP 0x00000004 /* store bad packet */
#define IGC_RCTL_UPE 0x00000008 /* unicast promisc enable */
#define IGC_RCTL_MPE 0x00000010 /* multicast promisc enable */
#define IGC_RCTL_LPE 0x00000020 /* long packet enable */
#define IGC_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
#define IGC_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
#define IGC_RCTL_RDMTS_HALF 0x00000000 /* Rx desc min thresh size */
#define IGC_RCTL_BAM 0x00008000 /* broadcast enable */
/* Receive Descriptor bit definitions */
#define IGC_RXD_STAT_EOP 0x02 /* End of Packet */
#define IGC_RXDEXT_STATERR_CE 0x01000000
#define IGC_RXDEXT_STATERR_SE 0x02000000
#define IGC_RXDEXT_STATERR_SEQ 0x04000000
#define IGC_RXDEXT_STATERR_CXE 0x10000000
#define IGC_RXDEXT_STATERR_TCPE 0x20000000
#define IGC_RXDEXT_STATERR_IPE 0x40000000
#define IGC_RXDEXT_STATERR_RXE 0x80000000
/* Same mask, but for extended and packet split descriptors */
#define IGC_RXDEXT_ERR_FRAME_ERR_MASK ( \
IGC_RXDEXT_STATERR_CE | \
IGC_RXDEXT_STATERR_SE | \
IGC_RXDEXT_STATERR_SEQ | \
IGC_RXDEXT_STATERR_CXE | \
IGC_RXDEXT_STATERR_RXE)
#define IGC_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
#define IGC_MRQC_RSS_FIELD_IPV4 0x00020000
#define IGC_MRQC_RSS_FIELD_IPV6_TCP_EX 0x00040000
#define IGC_MRQC_RSS_FIELD_IPV6 0x00100000
#define IGC_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
/* Header split receive */
#define IGC_RFCTL_IPV6_EX_DIS 0x00010000
#define IGC_RFCTL_LEF 0x00040000
#define IGC_RCTL_SZ_256 0x00030000 /* Rx buffer size 256 */
#define IGC_RCTL_MO_SHIFT 12 /* multicast offset shift */
#define IGC_RCTL_CFIEN 0x00080000 /* canonical form enable */
#define IGC_RCTL_DPF 0x00400000 /* discard pause frames */
#define IGC_RCTL_PMCF 0x00800000 /* pass MAC control frames */
#define IGC_RCTL_SECRC 0x04000000 /* Strip Ethernet CRC */
#define I225_RXPBSIZE_DEFAULT 0x000000A2 /* RXPBSIZE default */
#define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */
/* Receive Checksum Control */
#define IGC_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */
#define IGC_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
/* GPY211 - I225 defines */
#define GPY_MMD_MASK 0xFFFF0000
#define GPY_MMD_SHIFT 16
#define GPY_REG_MASK 0x0000FFFF
#define IGC_MMDAC_FUNC_DATA 0x4000 /* Data, no post increment */
/* MAC definitions */
#define IGC_FACTPS_MNGCG 0x20000000
#define IGC_FWSM_MODE_MASK 0xE
#define IGC_FWSM_MODE_SHIFT 1
/* Management Control */
#define IGC_MANC_SMBUS_EN 0x00000001 /* SMBus Enabled - RO */
#define IGC_MANC_ASF_EN 0x00000002 /* ASF Enabled - RO */
/* PHY */
#define PHY_REVISION_MASK 0xFFFFFFF0
#define MAX_PHY_REG_ADDRESS 0x1F /* 5 bit address bus (0-0x1F) */
#define IGC_GEN_POLL_TIMEOUT 1920
/* PHY Control Register */
#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */
#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */
#define MII_CR_POWER_DOWN 0x0800 /* Power down */
#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */
#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
#define MII_CR_SPEED_1000 0x0040
#define MII_CR_SPEED_100 0x2000
#define MII_CR_SPEED_10 0x0000
/* PHY Status Register */
#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */
#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */
/* PHY 1000 MII Register/Bit Definitions */
/* PHY Registers defined by IEEE */
#define PHY_CONTROL 0x00 /* Control Register */
#define PHY_STATUS 0x01 /* Status Register */
#define PHY_ID1 0x02 /* Phy Id Reg (word 1) */
#define PHY_ID2 0x03 /* Phy Id Reg (word 2) */
#define PHY_AUTONEG_ADV 0x04 /* Autoneg Advertisement */
#define PHY_LP_ABILITY 0x05 /* Link Partner Ability (Base Page) */
#define PHY_1000T_CTRL 0x09 /* 1000Base-T Control Reg */
#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
/* Bit definitions for valid PHY IDs. I = Integrated E = External */
#define I225_I_PHY_ID 0x67C9DC00
/* MDI Control */
#define IGC_MDIC_DATA_MASK 0x0000FFFF
#define IGC_MDIC_REG_MASK 0x001F0000
#define IGC_MDIC_REG_SHIFT 16
#define IGC_MDIC_PHY_MASK 0x03E00000
#define IGC_MDIC_PHY_SHIFT 21
#define IGC_MDIC_OP_WRITE 0x04000000
#define IGC_MDIC_OP_READ 0x08000000
#define IGC_MDIC_READY 0x10000000
#define IGC_MDIC_INT_EN 0x20000000
#define IGC_MDIC_ERROR 0x40000000
#define IGC_MDIC_DEST 0x80000000
#define IGC_N0_QUEUE -1
#define IGC_MAX_MAC_HDR_LEN 127
#define IGC_MAX_NETWORK_HDR_LEN 511
#define IGC_VLAPQF_QUEUE_SEL(_n, q_idx) ((q_idx) << ((_n) * 4))
#define IGC_VLAPQF_P_VALID(_n) (0x1 << (3 + (_n) * 4))
#define IGC_VLAPQF_QUEUE_MASK 0x03
#define IGC_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
#define IGC_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type:1=IPv4 */
#define IGC_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet Type of TCP */
#define IGC_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
#endif /* _IGC_DEFINES_H_ */
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