FreeBSD/Linux Kernel Cross Reference
sys/dev/lge/if_lgereg.h

     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 2001 Wind River Systems
      * Copyright (c) 1997, 1998, 1999, 2000, 2001
      *      Bill Paul <wpaul@bsdi.com>.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Bill Paul.
     * 4. Neither the name of the author nor the names of any co-contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     * THE POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     */
    
    
    #define LGE_MODE1               0x00    /* CSR00 */
    #define LGE_MODE2               0x04    /* CSR01 */
    #define LGE_PPTXBUF_IDX         0x08    /* CSR02 */
    #define LGE_PRODID              0x0C    /* CSR03 */
    #define LGE_PPTXBUF_ADDR_LO     0x10    /* CSR04 */
    #define LGE_PPTXBUF_ADDR_HI     0x14    /* CSR05 */
    #define LGE_RSVD0               0x18    /* CSR06 */
    #define LGE_PPRXBUF_IDX         0x1C    /* CSR07 */
    #define LGE_PPRXBUF_ADDR_LO     0x20    /* CSR08 */
    #define LGE_PPRXBUF_ADDR_HI     0x24    /* CSR09 */
    #define LGE_EECTL               0x28    /* CSR10 */
    #define LGE_CHIPSTS             0x2C    /* CSR11 */
    #define LGE_TXDESC_ADDR_LO      0x30    /* CSR12 */
    #define LGE_TXDESC_ADDR_HI      0x34    /* CSR13 */
    #define LGE_RXDESC_ADDR_LO      0x38    /* CSR14 */
    #define LGE_RXDESC_ADDR_HI      0x3C    /* CSR15 */
    #define LGE_PPTXCTL             0x40    /* CSR16 */
    #define LGE_PPRXCTL             0x44    /* CSR17 */
    #define LGE_INTR_PERIOD         0x48    /* CSR18 */
    #define LGE_TXFIFO_PKTCNT       0x4C    /* CSR19 */
    #define LGE_TXFIFO_LOWAT        0x50    /* CSR20 */
    #define LGE_TXFIFO_FREEDWORDS   0x54    /* CSR21 */
    #define LGE_TXFIFO_WRITE        0x58    /* CSR22 */
    #define LGE_RSVD1               0x5C    /* CSR23 */
    #define LGE_RXFIFO_READ         0x60    /* CSR24 */
    #define LGE_RSVD2               0x64    /* CSR25 */
    #define LGE_RXFIFO_DWORDCNT     0x68    /* CSR26 */
    #define LGE_RXFIFO_HIWAT        0x6C    /* CSR27 */
    #define LGE_RXFIFO_PKTCNT       0x70    /* CSR28 */
    #define LGE_CMD                 0x74    /* CSR29 */
    #define LGE_IMR                 0x78    /* CSR30 */
    #define LGE_RSVD3               0x7C    /* CSR31 */
    #define LGE_ISR                 0x80    /* CSR32 */
    #define LGE_RSVD4               0x84    /* CSR33 */
    #define LGE_MAR0                0x88    /* CSR34 */
    #define LGE_MAR1                0x8C    /* CSR35 */
    #define LGE_LEDCFG0             0x90    /* CSR36 */
    #define LGE_LEDCFG1             0x84    /* CSR37 */
    #define LGE_LEDCFG2             0x98    /* CSR38 */
    #define LGE_LEDCFG3             0x9C    /* CSR39 */
    #define LGE_RSVD5               0xA0    /* CSR40 */
    #define LGE_EEDATA              0xA4    /* CSR41 */
    #define LGE_PAR0                0xA8    /* CSR42 */
    #define LGE_PAR1                0xAC    /* CSR43 */
    #define LGE_GMIICTL             0xB0    /* CSR44 */
    #define LGE_GMIIMODE            0xB4    /* CSR45 */
    #define LGE_STATSIDX            0xB8    /* CSR46 */
    #define LGE_STATSVAL            0xBC    /* CSR47 */
    #define LGE_VLANCTL             0xC0    /* CSR48 */
    #define LGE_RSVD6               0xC4    /* CSR49 */
    #define LGE_RSVD7               0xC8    /* CSR50 */
    #define LGE_CMDSTS              0xCC    /* CSR51 */
    #define LGE_FLOWCTL_WAT         0xD0    /* CSR52 */
    #define LGE_RSVD8               0xD4    /* CSR53 */
    #define LGE_RSVD9               0xD8    /* CSR54 */
    #define LGE_RSVD10              0xDC    /* CSR55 */
    #define LGE_RSVD11              0xE0    /* CSR56 */
    #define LGE_RSVD12              0xE4    /* CSR57 */
    #define LGE_TIMER0_CNT          0xE8    /* CSR58 */
    #define LGE_TIMER0_INT          0xEC    /* CSR59 */
    #define LGE_TIMER1_CNT          0xF0    /* CSR60 */
   #define LGE_TIMER1_INT          0xF4    /* CSR61 */
   #define LGE_DBG_CMD             0xF8    /* CSR62 */
   #define LGE_DBG_DATA            0xFC    /* CSR63 */
   
   
   /* Mode register 1 */
   #define LGE_MODE1_SETRST_CTL0   0x00000001
   #define LGE_MODE1_SOFTRST       0x00000002
   #define LGE_MODE1_DEBTOD        0x00000004      /* Not documented? */
   #define LGE_MODE1_TX_FLOWCTL    0x00000008      /* Not documented? */
   #define LGE_MODE1_RXTXRIO       0x00000010
   #define LGE_MODE1_GMIIPOLL      0x00000020
   #define LGE_MODE1_TXPAD         0x00000040
   #define LGE_MODE1_RMVPAD        0x00000080      /* Not documented? */
   #define LGE_MODE1_SETRST_CTL1   0x00000100
   #define LGE_MODE1_TX_ENB        0x00000200
   #define LGE_MODE1_RX_ENB        0x00000400
   #define LGE_MODE1_RX_MCAST      0x00000800
   #define LGE_MODE1_RX_BCAST      0x00001000
   #define LGE_MODE1_RX_PROMISC    0x00002000
   #define LGE_MODE1_RX_UCAST      0x00004000
   #define LGE_MODE1_RX_GIANTS     0x00008000
   #define LGE_MODE1_SETRST_CTL2   0x00010000
   #define LGE_MODE1_RX_CRC        0x00020000
   #define LGE_MODE1_RX_ERRPKTS    0x00040000
   #define LGE_MODE1_TX_CRC        0x00080000
   #define LGE_MODE1_DEMDEN        0x00100000      /* Not documented? */
   #define LGE_MODE1_MPACK_ENB     0x00200000
   #define LGE_MODE1_MPACK_BCAST   0x00400000
   #define LGE_MODE1_RX_FLOWCTL    0x00800000
   #define LGE_MODE1_SETRST_CTL3   0x01000000
   #define LGE_MODE1_VLAN_RX       0x02000000
   #define LGE_MODE1_VLAN_TX       0x04000000
   #define LGE_MODE1_VLAN_STRIP    0x08000000
   #define LGE_MODE1_VLAN_INSERT   0x10000000
   #define LGE_MODE1_GPIO_CTL0     0x20000000
   #define LGE_MODE1_GPIO_CTL1     0x40000000
   #define LGE_MODE1_RX_LENCHK     0x80000000
   
   
   /* Mode register 2 */
   #define LGE_MODE2_LOOPBACK      0x000000E0
   #define LGE_MODE2_RX_IPCSUM     0x00001000
   #define LGE_MODE2_RX_TCPCSUM    0x00002000
   #define LGE_MODE2_RX_UDPCSUM    0x00004000
   #define LGE_MODE2_RX_ERRCSUM    0x00008000
   
   
   /* EEPROM register */
   #define LGE_EECTL_HAVE_EEPROM   0x00000001
   #define LGE_EECTL_CMD_READ      0x00000002
   #define LGE_EECTL_CMD_WRITE     0x00000004
   #define LGE_EECTL_CSUMERR       0x00000010
   #define LGE_EECTL_MULTIACCESS   0x00000020
   #define LGE_EECTL_SINGLEACCESS  0x00000040
   #define LGE_EECTL_ADDR          0x00001F00
   #define LGE_EECTL_ROM_TIMING    0x000F0000
   #define LGE_EECTL_HAVE_FLASH    0x00100000
   #define LGE_EECTL_WRITEFLASH    0x00200000
   
   #define LGE_EE_NODEADDR_0       0x12
   #define LGE_EE_NODEADDR_1       0x13
   #define LGE_EE_NODEADDR_2       0x10
   
   
   /* Chip status register */
   #define LGE_CHIPSTS_HAVETXSPC   0x00000001 /* have room in TX FIFO for pkt */
   #define LGE_CHIPSTS_HAVERXPKT   0x00000002 /* RX FIFO holds complete pkt */
   #define LGE_CHIPSTS_FLOWCTL_STS 0x00000004
   #define LGE_CHIPSTS_GPIO_STS0   0x00000008
   #define LGE_CHIPSTS_GPIO_STS1   0x00000010
   #define LGE_CHIPSTS_TXIDLE      0x00000020
   #define LGE_CHIPSTS_RXIDLE      0x00000040
   
   
   /* TX PacketPropulsion control register */
   #define LGE_PPTXCTL_BUFLEN      0x0000FFFF
   #define LGE_PPTXCTL_BUFID       0x003F0000
   #define LGE_PPTXCTL_WANTINTR    0x01000000
   
   
   /* RX PacketPropulsion control register */
   #define LGE_PPRXCTL_BUFLEN      0x0000FFFF
   #define LGE_PPRXCTL_BUFID       0x003F0000
   #define LGE_PPRXCTL_WANTINTR    0x10000000
   
   
   /* Command register */
   #define LGE_CMD_SETRST_CTL0     0x00000001
   #define LGE_CMD_STARTTX         0x00000002
   #define LGE_CMD_SKIP_RXPKT      0x00000004
   #define LGE_CMD_DEL_INTREQ      0x00000008
   #define LGE_CMD_PER_INTREQ      0x00000010
   #define LGE_CMD_TIMER0          0x00000020
   #define LGE_CMD_TIMER1          0x00000040
   
   
   /* Interrupt mask register */
   #define LGE_IMR_SETRST_CTL0     0x00000001
   #define LGE_IMR_TXCMDFIFO_EMPTY 0x00000002
   #define LGE_IMR_TXFIFO_WAT      0x00000004
   #define LGE_IMR_TXDMA_DONE      0x00000008
   #define LGE_IMR_DELAYEDINTR     0x00000040
   #define LGE_IMR_INTR_ENB        0x00000080
   #define LGE_IMR_SETRST_CTL1     0x00000100
   #define LGE_IMR_RXCMDFIFO_EMPTY 0x00000200
   #define LGE_IMR_RXFIFO_WAT      0x00000400
   #define LGE_IMR_RX_DONE         0x00000800
   #define LGE_IMR_RXDMA_DONE      0x00001000
   #define LGE_IMR_PHY_INTR        0x00002000
   #define LGE_IMR_MAGICPKT        0x00004000
   #define LGE_IMR_SETRST_CTL2     0x00010000
   #define LGE_IMR_GPIO0           0x00020000
   #define LGE_IMR_GPIO1           0x00040000
   #define LGE_IMR_TIMER0          0x00080000
   #define LGE_IMR_TIMER1          0x00100000
   
   
   #define LGE_INTRS       \
           (LGE_IMR_TXCMDFIFO_EMPTY|LGE_IMR_TXDMA_DONE|LGE_IMR_RX_DONE| \
            LGE_IMR_RXCMDFIFO_EMPTY|LGE_IMR_RXDMA_DONE|LGE_IMR_PHY_INTR)
   
   
   /* Interrupt status register */
   #define LGE_ISR_TXCMDFIFO_EMPTY 0x00000002
   #define LGE_ISR_TXFIFO_WAT      0x00000004
   #define LGE_ISR_TXDMA_DONE      0x00000008
   #define LGE_ISR_DELAYEDINTR     0x00000040
   #define LGE_ISR_INTR_ENB        0x00000080
   #define LGE_ISR_RXCMDFIFO_EMPTY 0x00000200
   #define LGE_ISR_RXFIFO_WAT      0x00000400
   #define LGE_ISR_RX_DONE         0x00000800
   #define LGE_ISR_RXDMA_DONE      0x00001000
   #define LGE_ISR_PHY_INTR        0x00002000
   #define LGE_ISR_MAGICPKT        0x00004000
   #define LGE_ISR_GPIO0           0x00020000
   #define LGE_ISR_GPIO1           0x00040000
   #define LGE_ISR_TIMER0          0x00080000
   #define LGE_ISR_TIMER1          0x00100000
   #define LGE_ISR_RXDMADONE_CNT   0xFF000000
   #define LGE_RX_DMACNT(x)        ((x & LGE_ISR_RXDMADONE_CNT) >> 24)
   
   /* LED0 config register */
   #define LGE_LED0CFG_ENABLE      0x00000002
   #define LGE_LED0CFG_INPUT_POL   0x00000004
   #define LGE_LED0CFG_PULSE_EXP   0x00000008
   #define LGE_LED0CFG_10MBPS      0x00000010
   #define LGE_LED0CFG_100MBPS     0x00000100
   #define LGE_LED0CFG_1000MBPS    0x00000200
   #define LGE_LED0CFG_FDX         0x00000400
   #define LGE_LED0CFG_ANEG        0x00000800
   #define LGE_LED0CFG_LINKSTS     0x00001000
   #define LGE_LED0CFG_RXMATCH     0x00002000
   #define LGE_LED0CFG_TX          0x00004000
   #define LGE_LED0CFG_RX          0x00008000
   #define LGE_LED0CFG_JABBER      0x00010000
   #define LGE_LED0CFG_COLLISION   0x00020000
   #define LGE_LED0CFG_CARRIER     0x00040000
   #define LGE_LED0CFG_LEDOUT      0x10000000
   
   
   /* LED1 config register */
   #define LGE_LED1CFG_ENABLE      0x00000002
   #define LGE_LED1CFG_INPUT_POL   0x00000004
   #define LGE_LED1CFG_PULSE_EXP   0x00000008
   #define LGE_LED1CFG_10MBPS      0x00000010
   #define LGE_LED1CFG_100MBPS     0x00000100
   #define LGE_LED1CFG_1000MBPS    0x00000200
   #define LGE_LED1CFG_FDX         0x00000400
   #define LGE_LED1CFG_ANEG        0x00000800
   #define LGE_LED1CFG_LINKSTS     0x00001000
   #define LGE_LED1CFG_RXMATCH     0x00002000
   #define LGE_LED1CFG_TX          0x00004000
   #define LGE_LED1CFG_RX          0x00008000
   #define LGE_LED1CFG_JABBER      0x00010000
   #define LGE_LED1CFG_COLLISION   0x00020000
   #define LGE_LED1CFG_CARRIER     0x00040000
   #define LGE_LED1CFG_LEDOUT      0x10000000
   
   
   /* LED2 config register */
   #define LGE_LED2CFG_ENABLE      0x00000002
   #define LGE_LED2CFG_INPUT_POL   0x00000004
   #define LGE_LED2CFG_PULSE_EXP   0x00000008
   #define LGE_LED2CFG_10MBPS      0x00000010
   #define LGE_LED2CFG_100MBPS     0x00000100
   #define LGE_LED2CFG_1000MBPS    0x00000200
   #define LGE_LED2CFG_FDX         0x00000400
   #define LGE_LED2CFG_ANEG        0x00000800
   #define LGE_LED2CFG_LINKSTS     0x00001000
   #define LGE_LED2CFG_RXMATCH     0x00002000
   #define LGE_LED2CFG_TX          0x00004000
   #define LGE_LED2CFG_RX          0x00008000
   #define LGE_LED2CFG_JABBER      0x00010000
   #define LGE_LED2CFG_COLLISION   0x00020000
   #define LGE_LED2CFG_CARRIER     0x00040000
   #define LGE_LED2CFG_LEDOUT      0x10000000
   
   
   /* GMII PHY access register */
   #define LGE_GMIICTL_PHYREG      0x0000001F
   #define LGE_GMIICTL_CMD         0x00000080
   #define LGE_GMIICTL_PHYADDR     0x00001F00
   #define LGE_GMIICTL_CMDBUSY     0x00008000
   #define LGE_GMIICTL_DATA        0xFFFF0000
   
   #define LGE_GMIICMD_READ        0x00000000
   #define LGE_GMIICMD_WRITE       0x00000080
   
   /* GMII PHY mode register */
   #define LGE_GMIIMODE_SPEED      0x00000003
   #define LGE_GMIIMODE_FDX        0x00000004
   #define LGE_GMIIMODE_PROTSEL    0x00000100 /* 0 == GMII, 1 == TBI */
   #define LGE_GMIIMODE_PCSENH     0x00000200
   
   #define LGE_SPEED_10            0x00000000
   #define LGE_SPEED_100           0x00000001
   #define LGE_SPEED_1000          0x00000002
   
   
   /* VLAN tag control register */
   #define LGE_VLANCTL_VLID        0x00000FFF
   #define LGE_VLANCTL_USERPRIO    0x0000E000
   #define LGE_VLANCTL_TCI_IDX     0x000D0000
   #define LGE_VLANCTL_TBLCMD      0x00200000
   
   
   /* Command status register */
   #define LGE_CMDSTS_TXDMADONE    0x000000FF
   #define LGE_CMDSTS_RXDMADONE    0x0000FF00
   #define LGE_CMDSTS_TXCMDFREE    0x003F0000
   #define LGE_CMDSTS_RXCMDFREE    0x3F000000
   
   #define LGE_TXDMADONE_8BIT      LGE_CMDSTS
   #define LGE_RXDMADONE_8BIT      (LGE_CMDSTS + 1)
   #define LGE_TXCMDFREE_8BIT      (LGE_CMDSTS + 2)
   #define LGE_RXCMDFREE_8BIT      (LGE_CMDSTS + 3)
   
   #define LGE_MAXCMDS             31
   
   /* Index for statistics counters. */
   #define LGE_STATS_TX_PKTS_OK            0x00
   #define LGE_STATS_SINGLE_COLL_PKTS      0x01
   #define LGE_STATS_MULTI_COLL_PKTS       0x02
   #define LGE_STATS_RX_PKTS_OK            0x03
   #define LGE_STATS_FCS_ERRS              0x04
   #define LGE_STATS_ALIGN_ERRS            0x05
   #define LGE_STATS_DROPPED_PKTS          0x06
   #define LGE_STATS_RX_ERR_PKTS           0x07
   #define LGE_STATS_TX_ERR_PKTS           0x08
   #define LGE_STATS_LATE_COLLS            0x09
   #define LGE_STATS_RX_RUNTS              0x0A
   #define LGE_STATS_RX_GIANTS             0x0B
   #define LGE_STATS_VLAN_PKTS_ACCEPT      0x0C
   #define LGE_STATS_VLAN_PKTS_REJECT      0x0D
   #define LGE_STATS_IP_CSUM_ERR           0x0E
   #define LGE_STATS_UDP_CSUM_ERR          0x0F
   #define LGE_STATS_RANGELEN_ERRS         0x10
   #define LGE_STATS_TCP_CSUM_ERR          0x11
   #define LGE_STATS_RSVD0                 0x12
   #define LGE_STATS_TX_EXCESS_COLLS       0x13
   #define LGE_STATS_RX_UCASTS             0x14
   #define LGE_STATS_RX_MCASTS             0x15
   #define LGE_STATS_RX_BCASTS             0x16
   #define LGE_STATS_RX_PAUSE_PKTS         0x17
   #define LGE_STATS_TX_PAUSE_PKTS         0x18
   #define LGE_STATS_TX_PKTS_DEFERRED      0x19
   #define LGE_STATS_TX_EXCESS_DEFER       0x1A
   #define LGE_STATS_CARRIER_SENSE_ERR     0x1B
   
   
   /*
    * RX and TX DMA descriptor structures for scatter/gather.
    * Each descriptor can have up to 31 fragments in it, however for
    * RX we only need one fragment, and for transmit we only allocate
    * 10 in order to reduce the amount of space we need for the
    * descriptor lists.
    * Note: descriptor structures must be 64-bit aligned.
    */
   
   struct lge_rx_desc {
           /* Hardware descriptor section */
           u_int32_t               lge_ctl;
           u_int32_t               lge_sts;
           u_int32_t               lge_fragptr_lo;
           u_int32_t               lge_fragptr_hi;
           u_int16_t               lge_fraglen;
           u_int16_t               lge_rsvd0;
           u_int32_t               lge_rsvd1;
           /* Driver software section */
           union {
                   struct mbuf             *lge_mbuf;
                   u_int64_t               lge_dummy;
           } lge_u;
   };
   
   struct lge_frag {
           u_int32_t               lge_rsvd0;
           u_int32_t               lge_fragptr_lo;
           u_int32_t               lge_fragptr_hi;
           u_int16_t               lge_fraglen;
           u_int16_t               lge_rsvd1;
   };
   
   struct lge_tx_desc {
           /* Hardware descriptor section */
           u_int32_t               lge_ctl;
           struct lge_frag         lge_frags[10];
           u_int32_t               lge_rsvd0;
           union {
                   struct mbuf             *lge_mbuf;
                   u_int64_t               lge_dummy;
           } lge_u;
   };
   
   #define lge_mbuf        lge_u.lge_mbuf
   
   #define LGE_RXCTL_BUFLEN        0x0000FFFF
   #define LGE_RXCTL_FRAGCNT       0x001F0000
   #define LGE_RXCTL_LENERR        0x00400000
   #define LGE_RXCTL_UCAST         0x00800000
   #define LGR_RXCTL_BCAST         0x01000000
   #define LGE_RXCTL_MCAST         0x02000000
   #define LGE_RXCTL_GIANT         0x04000000
   #define LGE_RXCTL_OFLOW         0x08000000
   #define LGE_RXCTL_CRCERR        0x10000000
   #define LGE_RXCTL_RUNT          0x20000000
   #define LGE_RXCTL_ALGNERR       0x40000000
   #define LGE_RXCTL_WANTINTR      0x80000000
   
   #define LGE_RXCTL_ERRMASK       \
           (LGE_RXCTL_LENERR|LGE_RXCTL_OFLOW|      \
            LGE_RXCTL_CRCERR|LGE_RXCTL_RUNT|       \
            LGE_RXCTL_ALGNERR)
   
   #define LGE_RXSTS_VLTBIDX       0x0000000F
   #define LGE_RXSTS_VLTBLHIT      0x00000010
   #define LGE_RXSTS_IPCSUMERR     0x00000100
   #define LGE_RXSTS_TCPCSUMERR    0x00000200
   #define LGE_RXSTS_UDPCSUMERR    0x00000400
   #define LGE_RXSTS_ISIP          0x00000800
   #define LGE_RXSTS_ISTCP         0x00001000
   #define LGE_RXSTS_ISUDP         0x00002000
   
   #define LGE_TXCTL_BUFLEN        0x0000FFFF
   #define LGE_TXCTL_FRAGCNT       0x001F0000
   #define LGE_TXCTL_VLTBIDX       0x0F000000
   #define LGE_TXCTL_VLIS          0x10000000
   #define LGE_TXCTL_WANTINTR      0x80000000
   
   #define LGE_INC(x, y)           (x) = (x + 1) % y
   #define LGE_FRAGCNT_1           (1<<16)
   #define LGE_FRAGCNT_10          (10<<16)  
   #define LGE_FRAGCNT(x)          (x<<16)
   #define LGE_RXBYTES(x)          (x->lge_ctl & 0xFFFF)
   #define LGE_RXTAIL(x)           \
           (x->lge_ldata->lge_rx_list[x->lge_cdata.lge_rx_prod])
   
   #define LGE_RX_LIST_CNT         64
   #define LGE_TX_LIST_CNT         128
   
   struct lge_list_data {
           struct lge_rx_desc      lge_rx_list[LGE_RX_LIST_CNT];
           struct lge_tx_desc      lge_tx_list[LGE_TX_LIST_CNT];
   };
   
   
   /*
    * Level 1 PCI vendor ID.
    */
   #define LGE_VENDORID            0x1394
   
   /*
    * LXT 1001 PCI device IDs
    */
   #define LGE_DEVICEID            0x0001
   
   struct lge_type {
           u_int16_t               lge_vid;
           u_int16_t               lge_did;
           const char              *lge_name;
   };
   
   #define LGE_JUMBO_FRAMELEN      9018
   #define LGE_JUMBO_MTU           (LGE_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
   #define LGE_JSLOTS              384
   
   #define LGE_JRAWLEN (LGE_JUMBO_FRAMELEN + ETHER_ALIGN)
   #define LGE_JLEN (LGE_JRAWLEN + (sizeof(u_int64_t) - \
           (LGE_JRAWLEN % sizeof(u_int64_t))))
   #define LGE_JPAGESZ PAGE_SIZE
   #define LGE_RESID (LGE_JPAGESZ - (LGE_JLEN * LGE_JSLOTS) % LGE_JPAGESZ)
   #define LGE_JMEM ((LGE_JLEN * LGE_JSLOTS) + LGE_RESID)
   
   struct lge_jpool_entry {
           int                             slot;
           SLIST_ENTRY(lge_jpool_entry)    jpool_entries;
   };
   
   struct lge_ring_data {
           int                     lge_rx_prod;
           int                     lge_rx_cons;
           int                     lge_tx_prod;
           int                     lge_tx_cons;
           /* Stick the jumbo mem management stuff here too. */
           caddr_t                 lge_jslots[LGE_JSLOTS];
           void                    *lge_jumbo_buf;
   };
   
   struct lge_softc {
           struct ifnet            *lge_ifp;
           device_t                lge_dev;
           bus_space_handle_t      lge_bhandle;
           bus_space_tag_t         lge_btag;
           struct resource         *lge_res;
           struct resource         *lge_irq;
           void                    *lge_intrhand;
           device_t                lge_miibus;
           u_int8_t                lge_type;
           u_int8_t                lge_link;
           u_int8_t                lge_pcs;
           int                     lge_if_flags;
           int                     lge_timer;
           struct lge_list_data    *lge_ldata;
           struct lge_ring_data    lge_cdata;
           struct callout          lge_stat_callout;
           struct mtx              lge_mtx;
           SLIST_HEAD(__lge_jfreehead, lge_jpool_entry)    lge_jfree_listhead;
           SLIST_HEAD(__lge_jinusehead, lge_jpool_entry)   lge_jinuse_listhead;
   };
   
   /*
    * register space access macros
    */
   #define CSR_WRITE_4(sc, reg, val)       \
           bus_space_write_4(sc->lge_btag, sc->lge_bhandle, reg, val)
   
   #define CSR_READ_2(sc, reg)             \
           bus_space_read_2(sc->lge_btag, sc->lge_bhandle, reg)
   
   #define CSR_WRITE_2(sc, reg, val)       \
           bus_space_write_2(sc->lge_btag, sc->lge_bhandle, reg, val)
   
   #define CSR_READ_4(sc, reg)             \
           bus_space_read_4(sc->lge_btag, sc->lge_bhandle, reg)
   
   #define CSR_WRITE_1(sc, reg, val)       \
           bus_space_write_1(sc->lge_btag, sc->lge_bhandle, reg, val)
   
   #define CSR_READ_1(sc, reg)             \
           bus_space_read_1(sc->lge_btag, sc->lge_bhandle, reg)
   
   #define LGE_LOCK(sc)            mtx_lock(&(sc)->lge_mtx)
   #define LGE_UNLOCK(sc)          mtx_unlock(&(sc)->lge_mtx)
   #define LGE_LOCK_ASSERT(sc)     mtx_assert(&(sc)->lge_mtx, MA_OWNED)
   
   #define LGE_TIMEOUT             1000
   #define LGE_RXLEN               1536
   #define LGE_MIN_FRAMELEN        60
   
   /*
    * PCI low memory base and low I/O base register, and
    * other PCI registers.
    */
   
   #define LGE_PCI_VENDOR_ID       0x00
   #define LGE_PCI_DEVICE_ID       0x02
   #define LGE_PCI_COMMAND         0x04
   #define LGE_PCI_STATUS          0x06
   #define LGE_PCI_REVID           0x08
   #define LGE_PCI_CLASSCODE       0x09
   #define LGE_PCI_CACHELEN        0x0C
   #define LGE_PCI_LATENCY_TIMER   0x0D
   #define LGE_PCI_HEADER_TYPE     0x0E
   #define LGE_PCI_LOIO            0x10
   #define LGE_PCI_LOMEM           0x14
   #define LGE_PCI_BIOSROM         0x30
   #define LGE_PCI_INTLINE         0x3C
   #define LGE_PCI_INTPIN          0x3D
   #define LGE_PCI_MINGNT          0x3E
   #define LGE_PCI_MINLAT          0x0F
   #define LGE_PCI_RESETOPT        0x48
   #define LGE_PCI_EEPROM_DATA     0x4C
   
   /* power management registers */
   #define LGE_PCI_CAPID           0x50 /* 8 bits */
   #define LGE_PCI_NEXTPTR         0x51 /* 8 bits */
   #define LGE_PCI_PWRMGMTCAP      0x52 /* 16 bits */
   #define LGE_PCI_PWRMGMTCTRL     0x54 /* 16 bits */
   
   #define LGE_PSTATE_MASK         0x0003
   #define LGE_PSTATE_D0           0x0000
   #define LGE_PSTATE_D1           0x0001
   #define LGE_PSTATE_D2           0x0002
   #define LGE_PSTATE_D3           0x0003
   #define LGE_PME_EN              0x0010
   #define LGE_PME_STATUS          0x8000

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