path: root/drivers/net/ethernet/intel/e1000e/defines.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */

#ifndef _E1000_DEFINES_H_
#define _E1000_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

/* Definitions for power management and wakeup registers */
/* Wake Up Control */
#define E1000_WUC_APME		0x00000001	/* APM Enable */
#define E1000_WUC_PME_EN	0x00000002	/* PME Enable */
#define E1000_WUC_PME_STATUS	0x00000004	/* PME Status */
#define E1000_WUC_APMPME	0x00000008	/* Assert PME on APM Wakeup */
#define E1000_WUC_PHY_WAKE	0x00000100	/* if PHY supports wakeup */

/* Wake Up Filter Control */
#define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
#define E1000_WUFC_MAG  0x00000002 /* Magic Packet Wakeup Enable */
#define E1000_WUFC_EX   0x00000004 /* Directed Exact Wakeup Enable */
#define E1000_WUFC_MC   0x00000008 /* Directed Multicast Wakeup Enable */
#define E1000_WUFC_BC   0x00000010 /* Broadcast Wakeup Enable */
#define E1000_WUFC_ARP  0x00000020 /* ARP Request Packet Wakeup Enable */

/* Wake Up Status */
#define E1000_WUS_LNKC         E1000_WUFC_LNKC
#define E1000_WUS_MAG          E1000_WUFC_MAG
#define E1000_WUS_EX           E1000_WUFC_EX
#define E1000_WUS_MC           E1000_WUFC_MC
#define E1000_WUS_BC           E1000_WUFC_BC

/* Extended Device Control */
#define E1000_CTRL_EXT_LPCD  0x00000004     /* LCD Power Cycle Done */
#define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Definable Pin 3 */
#define E1000_CTRL_EXT_FORCE_SMBUS 0x00000800 /* Force SMBus mode */
#define E1000_CTRL_EXT_EE_RST    0x00002000 /* Reinitialize from EEPROM */
#define E1000_CTRL_EXT_SPD_BYPS  0x00008000 /* Speed Select Bypass */
#define E1000_CTRL_EXT_RO_DIS    0x00020000 /* Relaxed Ordering disable */
#define E1000_CTRL_EXT_DMA_DYN_CLK_EN 0x00080000 /* DMA Dynamic Clock Gating */
#define E1000_CTRL_EXT_LINK_MODE_MASK 0x00C00000
#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES  0x00C00000
#define E1000_CTRL_EXT_EIAME          0x01000000
#define E1000_CTRL_EXT_DRV_LOAD       0x10000000 /* Driver loaded bit for FW */
#define E1000_CTRL_EXT_IAME		0x08000000 /* Int ACK Auto-mask */
#define E1000_CTRL_EXT_PBA_CLR        0x80000000 /* PBA Clear */
#define E1000_CTRL_EXT_LSECCK         0x00001000
#define E1000_CTRL_EXT_PHYPDEN        0x00100000

/* Receive Descriptor bit definitions */
#define E1000_RXD_STAT_DD       0x01    /* Descriptor Done */
#define E1000_RXD_STAT_EOP      0x02    /* End of Packet */
#define E1000_RXD_STAT_IXSM     0x04    /* Ignore checksum */
#define E1000_RXD_STAT_VP       0x08    /* IEEE VLAN Packet */
#define E1000_RXD_STAT_UDPCS    0x10    /* UDP xsum calculated */
#define E1000_RXD_STAT_TCPCS    0x20    /* TCP xsum calculated */
#define E1000_RXD_ERR_CE        0x01    /* CRC Error */
#define E1000_RXD_ERR_SE        0x02    /* Symbol Error */
#define E1000_RXD_ERR_SEQ       0x04    /* Sequence Error */
#define E1000_RXD_ERR_CXE       0x10    /* Carrier Extension Error */
#define E1000_RXD_ERR_TCPE      0x20    /* TCP/UDP Checksum Error */
#define E1000_RXD_ERR_IPE       0x40    /* IP Checksum Error */
#define E1000_RXD_ERR_RXE       0x80    /* Rx Data Error */
#define E1000_RXD_SPC_VLAN_MASK 0x0FFF  /* VLAN ID is in lower 12 bits */

#define E1000_RXDEXT_STATERR_TST   0x00000100	/* Time Stamp taken */
#define E1000_RXDEXT_STATERR_CE    0x01000000
#define E1000_RXDEXT_STATERR_SE    0x02000000
#define E1000_RXDEXT_STATERR_SEQ   0x04000000
#define E1000_RXDEXT_STATERR_CXE   0x10000000
#define E1000_RXDEXT_STATERR_RXE   0x80000000

/* mask to determine if packets should be dropped due to frame errors */
#define E1000_RXD_ERR_FRAME_ERR_MASK ( \
	E1000_RXD_ERR_CE  |		\
	E1000_RXD_ERR_SE  |		\
	E1000_RXD_ERR_SEQ |		\
	E1000_RXD_ERR_CXE |		\
	E1000_RXD_ERR_RXE)

/* Same mask, but for extended and packet split descriptors */
#define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
	E1000_RXDEXT_STATERR_CE  |	\
	E1000_RXDEXT_STATERR_SE  |	\
	E1000_RXDEXT_STATERR_SEQ |	\
	E1000_RXDEXT_STATERR_CXE |	\
	E1000_RXDEXT_STATERR_RXE)

#define E1000_MRQC_RSS_FIELD_MASK              0xFFFF0000
#define E1000_MRQC_RSS_FIELD_IPV4_TCP          0x00010000
#define E1000_MRQC_RSS_FIELD_IPV4              0x00020000
#define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX       0x00040000
#define E1000_MRQC_RSS_FIELD_IPV6              0x00100000
#define E1000_MRQC_RSS_FIELD_IPV6_TCP          0x00200000

#define E1000_RXDPS_HDRSTAT_HDRSP              0x00008000

/* Management Control */
#define E1000_MANC_SMBUS_EN      0x00000001 /* SMBus Enabled - RO */
#define E1000_MANC_ASF_EN        0x00000002 /* ASF Enabled - RO */
#define E1000_MANC_ARP_EN        0x00002000 /* Enable ARP Request Filtering */
#define E1000_MANC_RCV_TCO_EN    0x00020000 /* Receive TCO Packets Enabled */
#define E1000_MANC_BLK_PHY_RST_ON_IDE   0x00040000 /* Block phy resets */
/* Enable MAC address filtering */
#define E1000_MANC_EN_MAC_ADDR_FILTER   0x00100000
/* Enable MNG packets to host memory */
#define E1000_MANC_EN_MNG2HOST   0x00200000

#define E1000_MANC2H_PORT_623    0x00000020 /* Port 0x26f */
#define E1000_MANC2H_PORT_664    0x00000040 /* Port 0x298 */
#define E1000_MDEF_PORT_623      0x00000800 /* Port 0x26f */
#define E1000_MDEF_PORT_664      0x00000400 /* Port 0x298 */

/* Receive Control */
#define E1000_RCTL_EN             0x00000002    /* enable */
#define E1000_RCTL_SBP            0x00000004    /* store bad packet */
#define E1000_RCTL_UPE            0x00000008    /* unicast promiscuous enable */
#define E1000_RCTL_MPE            0x00000010    /* multicast promiscuous enab */
#define E1000_RCTL_LPE            0x00000020    /* long packet enable */
#define E1000_RCTL_LBM_NO         0x00000000    /* no loopback mode */
#define E1000_RCTL_LBM_MAC        0x00000040    /* MAC loopback mode */
#define E1000_RCTL_LBM_TCVR       0x000000C0    /* tcvr loopback mode */
#define E1000_RCTL_DTYP_PS        0x00000400    /* Packet Split descriptor */
#define E1000_RCTL_RDMTS_HALF     0x00000000    /* Rx desc min threshold size */
#define E1000_RCTL_RDMTS_HEX      0x00010000
#define E1000_RCTL_MO_SHIFT       12            /* multicast offset shift */
#define E1000_RCTL_MO_3           0x00003000    /* multicast offset 15:4 */
#define E1000_RCTL_BAM            0x00008000    /* broadcast enable */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
#define E1000_RCTL_SZ_2048        0x00000000    /* Rx buffer size 2048 */
#define E1000_RCTL_SZ_1024        0x00010000    /* Rx buffer size 1024 */
#define E1000_RCTL_SZ_512         0x00020000    /* Rx buffer size 512 */
#define E1000_RCTL_SZ_256         0x00030000    /* Rx buffer size 256 */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
#define E1000_RCTL_SZ_16384       0x00010000    /* Rx buffer size 16384 */
#define E1000_RCTL_SZ_8192        0x00020000    /* Rx buffer size 8192 */
#define E1000_RCTL_SZ_4096        0x00030000    /* Rx buffer size 4096 */
#define E1000_RCTL_VFE            0x00040000    /* vlan filter enable */
#define E1000_RCTL_CFIEN          0x00080000    /* canonical form enable */
#define E1000_RCTL_CFI            0x00100000    /* canonical form indicator */
#define E1000_RCTL_DPF            0x00400000    /* Discard Pause Frames */
#define E1000_RCTL_PMCF           0x00800000    /* pass MAC control frames */
#define E1000_RCTL_BSEX           0x02000000    /* Buffer size extension */
#define E1000_RCTL_SECRC          0x04000000    /* Strip Ethernet CRC */

/* Use byte values for the following shift parameters
 * Usage:
 *     psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
 *                  E1000_PSRCTL_BSIZE0_MASK) |
 *                ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
 *                  E1000_PSRCTL_BSIZE1_MASK) |
 *                ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
 *                  E1000_PSRCTL_BSIZE2_MASK) |
 *                ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
 *                  E1000_PSRCTL_BSIZE3_MASK))
 * where value0 = [128..16256],  default=256
 *       value1 = [1024..64512], default=4096
 *       value2 = [0..64512],    default=4096
 *       value3 = [0..64512],    default=0
 */

#define E1000_PSRCTL_BSIZE0_MASK   0x0000007F
#define E1000_PSRCTL_BSIZE1_MASK   0x00003F00
#define E1000_PSRCTL_BSIZE2_MASK   0x003F0000
#define E1000_PSRCTL_BSIZE3_MASK   0x3F000000

#define E1000_PSRCTL_BSIZE0_SHIFT  7            /* Shift _right_ 7 */
#define E1000_PSRCTL_BSIZE1_SHIFT  2            /* Shift _right_ 2 */
#define E1000_PSRCTL_BSIZE2_SHIFT  6            /* Shift _left_ 6 */
#define E1000_PSRCTL_BSIZE3_SHIFT 14            /* Shift _left_ 14 */

/* SWFW_SYNC Definitions */
#define E1000_SWFW_EEP_SM   0x1
#define E1000_SWFW_PHY0_SM  0x2
#define E1000_SWFW_PHY1_SM  0x4
#define E1000_SWFW_CSR_SM   0x8

/* Device Control */
#define E1000_CTRL_FD       0x00000001  /* Full duplex.0=half; 1=full */
#define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
#define E1000_CTRL_LRST     0x00000008  /* Link reset. 0=normal,1=reset */
#define E1000_CTRL_ASDE     0x00000020  /* Auto-speed detect enable */
#define E1000_CTRL_SLU      0x00000040  /* Set link up (Force Link) */
#define E1000_CTRL_ILOS     0x00000080  /* Invert Loss-Of Signal */
#define E1000_CTRL_SPD_SEL  0x00000300  /* Speed Select Mask */
#define E1000_CTRL_SPD_10   0x00000000  /* Force 10Mb */
#define E1000_CTRL_SPD_100  0x00000100  /* Force 100Mb */
#define E1000_CTRL_SPD_1000 0x00000200  /* Force 1Gb */
#define E1000_CTRL_FRCSPD   0x00000800  /* Force Speed */
#define E1000_CTRL_FRCDPX   0x00001000  /* Force Duplex */
#define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */
#define E1000_CTRL_LANPHYPC_VALUE    0x00020000 /* SW value of LANPHYPC */
#define E1000_CTRL_MEHE     0x00080000  /* Memory Error Handling Enable */
#define E1000_CTRL_SWDPIN0  0x00040000  /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1  0x00080000  /* SWDPIN 1 value */
#define E1000_CTRL_ADVD3WUC 0x00100000  /* D3 WUC */
#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */
#define E1000_CTRL_SWDPIO0  0x00400000  /* SWDPIN 0 Input or output */
#define E1000_CTRL_RST      0x04000000  /* Global reset */
#define E1000_CTRL_RFCE     0x08000000  /* Receive Flow Control enable */
#define E1000_CTRL_TFCE     0x10000000  /* Transmit flow control enable */
#define E1000_CTRL_VME      0x40000000  /* IEEE VLAN mode enable */
#define E1000_CTRL_PHY_RST  0x80000000  /* PHY Reset */

#define E1000_PCS_LCTL_FORCE_FCTRL	0x80

#define E1000_PCS_LSTS_AN_COMPLETE	0x10000

/* Device Status */
#define E1000_STATUS_FD         0x00000001      /* Full duplex.0=half,1=full */
#define E1000_STATUS_LU         0x00000002      /* Link up.0=no,1=link */
#define E1000_STATUS_FUNC_MASK  0x0000000C      /* PCI Function Mask */
#define E1000_STATUS_FUNC_SHIFT 2
#define E1000_STATUS_FUNC_1     0x00000004      /* Function 1 */
#define E1000_STATUS_TXOFF      0x00000010      /* transmission paused */
#define E1000_STATUS_SPEED_MASK 0x000000C0
#define E1000_STATUS_SPEED_10   0x00000000      /* Speed 10Mb/s */
#define E1000_STATUS_SPEED_100  0x00000040      /* Speed 100Mb/s */
#define E1000_STATUS_SPEED_1000 0x00000080      /* Speed 1000Mb/s */
#define E1000_STATUS_LAN_INIT_DONE 0x00000200   /* Lan Init Completion by NVM */
#define E1000_STATUS_PHYRA      0x00000400      /* PHY Reset Asserted */
#define E1000_STATUS_GIO_MASTER_ENABLE	0x00080000	/* Master Req status */

/* PCIm function state */
#define E1000_STATUS_PCIM_STATE	0x40000000

#define HALF_DUPLEX 1
#define FULL_DUPLEX 2

#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

/* 1000/H is not supported, nor spec-compliant. */
#define E1000_ALL_SPEED_DUPLEX	( \
	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
	ADVERTISE_100_FULL | ADVERTISE_1000_FULL)
#define E1000_ALL_NOT_GIG	( \
	ADVERTISE_10_HALF | ADVERTISE_10_FULL | ADVERTISE_100_HALF | \
	ADVERTISE_100_FULL)
#define E1000_ALL_100_SPEED	(ADVERTISE_100_HALF | ADVERTISE_100_FULL)
#define E1000_ALL_10_SPEED	(ADVERTISE_10_HALF | ADVERTISE_10_FULL)
#define E1000_ALL_HALF_DUPLEX	(ADVERTISE_10_HALF | ADVERTISE_100_HALF)

#define AUTONEG_ADVERTISE_SPEED_DEFAULT   E1000_ALL_SPEED_DUPLEX

/* LED Control */
#define E1000_PHY_LED0_MODE_MASK          0x00000007
#define E1000_PHY_LED0_IVRT               0x00000008
#define E1000_PHY_LED0_MASK               0x0000001F

#define E1000_LEDCTL_LED0_MODE_MASK       0x0000000F
#define E1000_LEDCTL_LED0_MODE_SHIFT      0
#define E1000_LEDCTL_LED0_IVRT            0x00000040
#define E1000_LEDCTL_LED0_BLINK           0x00000080

#define E1000_LEDCTL_MODE_LINK_UP       0x2
#define E1000_LEDCTL_MODE_LED_ON        0xE
#define E1000_LEDCTL_MODE_LED_OFF       0xF

/* Transmit Descriptor bit definitions */
#define E1000_TXD_DTYP_D     0x00100000 /* Data Descriptor */
#define E1000_TXD_POPTS_IXSM 0x01       /* Insert IP checksum */
#define E1000_TXD_POPTS_TXSM 0x02       /* Insert TCP/UDP checksum */
#define E1000_TXD_CMD_EOP    0x01000000 /* End of Packet */
#define E1000_TXD_CMD_IFCS   0x02000000 /* Insert FCS (Ethernet CRC) */
#define E1000_TXD_CMD_IC     0x04000000 /* Insert Checksum */
#define E1000_TXD_CMD_RS     0x08000000 /* Report Status */
#define E1000_TXD_CMD_RPS    0x10000000 /* Report Packet Sent */
#define E1000_TXD_CMD_DEXT   0x20000000 /* Descriptor extension (0 = legacy) */
#define E1000_TXD_CMD_VLE    0x40000000 /* Add VLAN tag */
#define E1000_TXD_CMD_IDE    0x80000000 /* Enable Tidv register */
#define E1000_TXD_STAT_DD    0x00000001 /* Descriptor Done */
#define E1000_TXD_STAT_EC    0x00000002 /* Excess Collisions */
#define E1000_TXD_STAT_LC    0x00000004 /* Late Collisions */
#define E1000_TXD_STAT_TU    0x00000008 /* Transmit underrun */
#define E1000_TXD_CMD_TCP    0x01000000 /* TCP packet */
#define E1000_TXD_CMD_IP     0x02000000 /* IP packet */
#define E1000_TXD_CMD_TSE    0x04000000 /* TCP Seg enable */
#define E1000_TXD_STAT_TC    0x00000004 /* Tx Underrun */
#define E1000_TXD_EXTCMD_TSTAMP	0x00000010 /* IEEE1588 Timestamp packet */

/* Transmit Control */
#define E1000_TCTL_EN     0x00000002    /* enable Tx */
#define E1000_TCTL_PSP    0x00000008    /* pad short packets */
#define E1000_TCTL_CT     0x00000ff0    /* collision threshold */
#define E1000_TCTL_COLD   0x003ff000    /* collision distance */
#define E1000_TCTL_RTLC   0x01000000    /* Re-transmit on late collision */
#define E1000_TCTL_MULR   0x10000000    /* Multiple request support */

/* SerDes Control */
#define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
#define E1000_SCTL_ENABLE_SERDES_LOOPBACK	0x0410

/* Receive Checksum Control */
#define E1000_RXCSUM_TUOFL     0x00000200   /* TCP / UDP checksum offload */
#define E1000_RXCSUM_IPPCSE    0x00001000   /* IP payload checksum enable */
#define E1000_RXCSUM_PCSD      0x00002000   /* packet checksum disabled */

/* Header split receive */
#define E1000_RFCTL_NFSW_DIS            0x00000040
#define E1000_RFCTL_NFSR_DIS            0x00000080
#define E1000_RFCTL_ACK_DIS             0x00001000
#define E1000_RFCTL_EXTEN               0x00008000
#define E1000_RFCTL_IPV6_EX_DIS         0x00010000
#define E1000_RFCTL_NEW_IPV6_EXT_DIS    0x00020000

/* Collision related configuration parameters */
#define E1000_COLLISION_THRESHOLD       15
#define E1000_CT_SHIFT                  4
#define E1000_COLLISION_DISTANCE        63
#define E1000_COLD_SHIFT                12

/* Default values for the transmit IPG register */
#define DEFAULT_82543_TIPG_IPGT_COPPER 8

#define E1000_TIPG_IPGT_MASK  0x000003FF

#define DEFAULT_82543_TIPG_IPGR1 8
#define E1000_TIPG_IPGR1_SHIFT  10

#define DEFAULT_82543_TIPG_IPGR2 6
#define DEFAULT_80003ES2LAN_TIPG_IPGR2 7
#define E1000_TIPG_IPGR2_SHIFT  20

#define MAX_JUMBO_FRAME_SIZE    0x3F00
#define E1000_TX_PTR_GAP		0x1F

/* Extended Configuration Control and Size */
#define E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP      0x00000020
#define E1000_EXTCNF_CTRL_LCD_WRITE_ENABLE       0x00000001
#define E1000_EXTCNF_CTRL_OEM_WRITE_ENABLE       0x00000008
#define E1000_EXTCNF_CTRL_SWFLAG                 0x00000020
#define E1000_EXTCNF_CTRL_GATE_PHY_CFG           0x00000080
#define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_MASK   0x00FF0000
#define E1000_EXTCNF_SIZE_EXT_PCIE_LENGTH_SHIFT          16
#define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_MASK   0x0FFF0000
#define E1000_EXTCNF_CTRL_EXT_CNF_POINTER_SHIFT          16

#define E1000_PHY_CTRL_D0A_LPLU           0x00000002
#define E1000_PHY_CTRL_NOND0A_LPLU        0x00000004
#define E1000_PHY_CTRL_NOND0A_GBE_DISABLE 0x00000008
#define E1000_PHY_CTRL_GBE_DISABLE        0x00000040

#define E1000_KABGTXD_BGSQLBIAS           0x00050000

/* Low Power IDLE Control */
#define E1000_LPIC_LPIET_SHIFT		24	/* Low Power Idle Entry Time */

/* PBA constants */
#define E1000_PBA_8K  0x0008    /* 8KB */
#define E1000_PBA_16K 0x0010    /* 16KB */

#define E1000_PBA_RXA_MASK	0xFFFF

#define E1000_PBS_16K E1000_PBA_16K

/* Uncorrectable/correctable ECC Error counts and enable bits */
#define E1000_PBECCSTS_CORR_ERR_CNT_MASK	0x000000FF
#define E1000_PBECCSTS_UNCORR_ERR_CNT_MASK	0x0000FF00
#define E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT	8
#define E1000_PBECCSTS_ECC_ENABLE		0x00010000

#define IFS_MAX       80
#define IFS_MIN       40
#define IFS_RATIO     4
#define IFS_STEP      10
#define MIN_NUM_XMITS 1000

/* SW Semaphore Register */