e1000_defines.h

DELL755 Intel 网卡驱动

#define E1000_LEDCTL_LED0_BLINK_RATE      0x00000020
#define E1000_LEDCTL_LED0_IVRT            0x00000040
#define E1000_LEDCTL_LED0_BLINK           0x00000080
#define E1000_LEDCTL_LED1_MODE_MASK       0x00000F00
#define E1000_LEDCTL_LED1_MODE_SHIFT      8
#define E1000_LEDCTL_LED1_BLINK_RATE      0x00002000
#define E1000_LEDCTL_LED1_IVRT            0x00004000
#define E1000_LEDCTL_LED1_BLINK           0x00008000
#define E1000_LEDCTL_LED2_MODE_MASK       0x000F0000
#define E1000_LEDCTL_LED2_MODE_SHIFT      16
#define E1000_LEDCTL_LED2_BLINK_RATE      0x00200000
#define E1000_LEDCTL_LED2_IVRT            0x00400000
#define E1000_LEDCTL_LED2_BLINK           0x00800000
#define E1000_LEDCTL_LED3_MODE_MASK       0x0F000000
#define E1000_LEDCTL_LED3_MODE_SHIFT      24
#define E1000_LEDCTL_LED3_BLINK_RATE      0x20000000
#define E1000_LEDCTL_LED3_IVRT            0x40000000
#define E1000_LEDCTL_LED3_BLINK           0x80000000

#define E1000_LEDCTL_MODE_LINK_10_1000  0x0
#define E1000_LEDCTL_MODE_LINK_100_1000 0x1
#define E1000_LEDCTL_MODE_LINK_UP       0x2
#define E1000_LEDCTL_MODE_ACTIVITY      0x3
#define E1000_LEDCTL_MODE_LINK_ACTIVITY 0x4
#define E1000_LEDCTL_MODE_LINK_10       0x5
#define E1000_LEDCTL_MODE_LINK_100      0x6
#define E1000_LEDCTL_MODE_LINK_1000     0x7
#define E1000_LEDCTL_MODE_PCIX_MODE     0x8
#define E1000_LEDCTL_MODE_FULL_DUPLEX   0x9
#define E1000_LEDCTL_MODE_COLLISION     0xA
#define E1000_LEDCTL_MODE_BUS_SPEED     0xB
#define E1000_LEDCTL_MODE_BUS_SIZE      0xC
#define E1000_LEDCTL_MODE_PAUSED        0xD
#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_DTYP_C     0x00000000 /* Context Descriptor */
#define E1000_TXD_POPTS_SHIFT 8         /* POPTS shift */
#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 */
/* Extended desc bits for Linksec and timesync */
#define E1000_TXD_CMD_LINKSEC     0x10000000 /* Apply LinkSec on packet */
#define E1000_TXD_EXTCMD_TSTAMP   0x00000010 /* IEEE1588 Timestamp packet */

/* Transmit Control */
#define E1000_TCTL_RST    0x00000001    /* software reset */
#define E1000_TCTL_EN     0x00000002    /* enable tx */
#define E1000_TCTL_BCE    0x00000004    /* busy check enable */
#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_SWXOFF 0x00400000    /* SW Xoff transmission */
#define E1000_TCTL_PBE    0x00800000    /* Packet Burst Enable */
#define E1000_TCTL_RTLC   0x01000000    /* Re-transmit on late collision */
#define E1000_TCTL_NRTU   0x02000000    /* No Re-transmit on underrun */
#define E1000_TCTL_MULR   0x10000000    /* Multiple request support */

/* Transmit Arbitration Count */
#define E1000_TARC0_ENABLE     0x00000400   /* Enable Tx Queue 0 */

/* SerDes Control */
#define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400

/* Receive Checksum Control */
#define E1000_RXCSUM_PCSS_MASK 0x000000FF   /* Packet Checksum Start */
#define E1000_RXCSUM_IPOFL     0x00000100   /* IPv4 checksum offload */
#define E1000_RXCSUM_TUOFL     0x00000200   /* TCP / UDP checksum offload */
#define E1000_RXCSUM_IPV6OFL   0x00000400   /* IPv6 checksum offload */
#define E1000_RXCSUM_CRCOFL    0x00000800   /* CRC32 offload enable */
#define E1000_RXCSUM_IPPCSE    0x00001000   /* IP payload checksum enable */
#define E1000_RXCSUM_PCSD      0x00002000   /* packet checksum disabled */

/* Header split receive */
#define E1000_RFCTL_ISCSI_DIS           0x00000001
#define E1000_RFCTL_ISCSI_DWC_MASK      0x0000003E
#define E1000_RFCTL_ISCSI_DWC_SHIFT     1
#define E1000_RFCTL_NFSW_DIS            0x00000040
#define E1000_RFCTL_NFSR_DIS            0x00000080
#define E1000_RFCTL_NFS_VER_MASK        0x00000300
#define E1000_RFCTL_NFS_VER_SHIFT       8
#define E1000_RFCTL_IPV6_DIS            0x00000400
#define E1000_RFCTL_IPV6_XSUM_DIS       0x00000800
#define E1000_RFCTL_ACK_DIS             0x00001000
#define E1000_RFCTL_ACKD_DIS            0x00002000
#define E1000_RFCTL_IPFRSP_DIS          0x00004000
#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_FIBER  9
#define DEFAULT_82543_TIPG_IPGT_COPPER 8

#define E1000_TIPG_IPGT_MASK  0x000003FF
#define E1000_TIPG_IPGR1_MASK 0x000FFC00
#define E1000_TIPG_IPGR2_MASK 0x3FF00000

#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

/* Ethertype field values */
#define ETHERNET_IEEE_VLAN_TYPE 0x8100  /* 802.3ac packet */

#define ETHERNET_FCS_SIZE       4
#define MAX_JUMBO_FRAME_SIZE    0x3F00

/* 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_SWFLAG                 0x00000020
#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_SPD_EN             0x00000001
#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

/* PBA constants */
#define E1000_PBA_6K  0x0006	/* 6KB */
#define E1000_PBA_8K  0x0008    /* 8KB */
#define E1000_PBA_12K 0x000C    /* 12KB */
#define E1000_PBA_16K 0x0010    /* 16KB */
#define E1000_PBA_20K 0x0014
#define E1000_PBA_22K 0x0016
#define E1000_PBA_24K 0x0018
#define E1000_PBA_30K 0x001E
#define E1000_PBA_32K 0x0020
#define E1000_PBA_34K 0x0022
#define E1000_PBA_38K 0x0026
#define E1000_PBA_40K 0x0028
#define E1000_PBA_48K 0x0030    /* 48KB */
#define E1000_PBA_64K 0x0040    /* 64KB */

#define E1000_PBS_16K E1000_PBA_16K
#define E1000_PBS_24K E1000_PBA_24K

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

/* SW Semaphore Register */
#define E1000_SWSM_SMBI         0x00000001 /* Driver Semaphore bit */
#define E1000_SWSM_SWESMBI      0x00000002 /* FW Semaphore bit */
#define E1000_SWSM_WMNG         0x00000004 /* Wake MNG Clock */
#define E1000_SWSM_DRV_LOAD     0x00000008 /* Driver Loaded Bit */

/* Interrupt Cause Read */
#define E1000_ICR_TXDW          0x00000001 /* Transmit desc written back */
#define E1000_ICR_TXQE          0x00000002 /* Transmit Queue empty */
#define E1000_ICR_LSC           0x00000004 /* Link Status Change */
#define E1000_ICR_RXSEQ         0x00000008 /* rx sequence error */
#define E1000_ICR_RXDMT0        0x00000010 /* rx desc min. threshold (0) */
#define E1000_ICR_RXO           0x00000040 /* rx overrun */
#define E1000_ICR_RXT0          0x00000080 /* rx timer intr (ring 0) */
#define E1000_ICR_VMMB          0x00000100 /* VM MB event */
#define E1000_ICR_MDAC          0x00000200 /* MDIO access complete */
#define E1000_ICR_RXCFG         0x00000400 /* Rx /c/ ordered set */
#define E1000_ICR_GPI_EN0       0x00000800 /* GP Int 0 */
#define E1000_ICR_GPI_EN1       0x00001000 /* GP Int 1 */
#define E1000_ICR_GPI_EN2       0x00002000 /* GP Int 2 */
#define E1000_ICR_GPI_EN3       0x00004000 /* GP Int 3 */
#define E1000_ICR_TXD_LOW       0x00008000
#define E1000_ICR_SRPD          0x00010000
#define E1000_ICR_ACK           0x00020000 /* Receive Ack frame */
#define E1000_ICR_MNG           0x00040000 /* Manageability event */
#define E1000_ICR_DOCK          0x00080000 /* Dock/Undock */
#define E1000_ICR_INT_ASSERTED  0x80000000 /* If this bit asserted, the driver should claim the interrupt */
#define E1000_ICR_RXD_FIFO_PAR0 0x00100000 /* queue 0 Rx descriptor FIFO parity error */
#define E1000_ICR_TXD_FIFO_PAR0 0x00200000 /* queue 0 Tx descriptor FIFO parity error */
#define E1000_ICR_HOST_ARB_PAR  0x00400000 /* host arb read buffer parity error */
#define E1000_ICR_PB_PAR        0x00800000 /* packet buffer parity error */
#define E1000_ICR_RXD_FIFO_PAR1 0x01000000 /* queue 1 Rx descriptor FIFO parity error */
#define E1000_ICR_TXD_FIFO_PAR1 0x02000000 /* queue 1 Tx descriptor FIFO parity error */
#define E1000_ICR_ALL_PARITY    0x03F00000 /* all parity error bits */
#define E1000_ICR_DSW           0x00000020 /* FW changed the status of DISSW bit in the FWSM */
#define E1000_ICR_PHYINT        0x00001000 /* LAN connected device generates an interrupt */
#define E1000_ICR_EPRST         0x00100000 /* ME hardware reset occurs */
#define E1000_ICR_RXQ0          0x00100000 /* Rx Queue 0 Interrupt */
#define E1000_ICR_RXQ1          0x00200000 /* Rx Queue 1 Interrupt */
#define E1000_ICR_TXQ0          0x00400000 /* Tx Queue 0 Interrupt */
#define E1000_ICR_TXQ1          0x00800000 /* Tx Queue 1 Interrupt */
#define E1000_ICR_OTHER         0x01000000 /* Other Interrupts */

/* Extended Interrupt Cause Read */
#define E1000_EICR_RX_QUEUE0    0x00000001 /* Rx Queue 0 Interrupt */
#define E1000_EICR_RX_QUEUE1    0x00000002 /* Rx Queue 1 Interrupt */
#define E1000_EICR_RX_QUEUE2    0x00000004 /* Rx Queue 2 Interrupt */
#define E1000_EICR_RX_QUEUE3    0x00000008 /* Rx Queue 3 Interrupt */
#define E1000_EICR_TX_QUEUE0    0x00000100 /* Tx Queue 0 Interrupt */
#define E1000_EICR_TX_QUEUE1    0x00000200 /* Tx Queue 1 Interrupt */
#define E1000_EICR_TX_QUEUE2    0x00000400 /* Tx Queue 2 Interrupt */
#define E1000_EICR_TX_QUEUE3    0x00000800 /* Tx Queue 3 Interrupt */
#define E1000_EICR_TCP_TIMER    0x40000000 /* TCP Timer */
#define E1000_EICR_OTHER        0x80000000 /* Interrupt Cause Active */
/* TCP Timer */
#define E1000_TCPTIMER_KS       0x00000100 /* KickStart */
#define E1000_TCPTIMER_COUNT_ENABLE       0x00000200 /* Count Enable */
#define E1000_TCPTIMER_COUNT_FINISH       0x00000400 /* Count finish */
#define E1000_TCPTIMER_LOOP     0x00000800 /* Loop */

/*
 * This defines the bits that are set in the Interrupt Mask
 * Set/Read Register.  Each bit is documented below:
 *   o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
 *   o RXSEQ  = Receive Sequence Error
 */
#define POLL_IMS_ENABLE_MASK ( \
    E1000_IMS_RXDMT0 |    \
    E1000_IMS_RXSEQ)

/*
 * This defines the bits that are set in the Interrupt Mask
 * Set/Read Register.  Each bit is documented below:
 *   o RXT0   = Receiver Timer Interrupt (ring 0)
 *   o TXDW   = Transmit Descriptor Written Back