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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018 Intel Corporation */
#ifndef _IGC_DEFINES_H_
#define _IGC_DEFINES_H_
#define IGC_CTRL_EXT_DRV_LOAD 0x10000000 /* Drv loaded bit for FW */
/* PCI Bus Info */
#define PCIE_DEVICE_CONTROL2 0x28
#define PCIE_DEVICE_CONTROL2_16ms 0x0005
/* 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
/* 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
/* PBA constants */
#define IGC_PBA_34K 0x0022
/* 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 */
/* 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 */
#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 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 */
#define IGC_CT_SHIFT 4
#define IGC_COLLISION_THRESHOLD 15
/* Management Control */
#define IGC_MANC_RCV_TCO_EN 0x00020000 /* Receive TCO Packets Enabled */
/* 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 */
/* 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 IGC_N0_QUEUE -1
#endif /* _IGC_DEFINES_H_ */
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