FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/i82596reg.h

     /*      $OpenBSD: i82596reg.h,v 1.6 2008/09/01 17:30:56 deraadt Exp $   */
     /*      $NetBSD: i82586reg.h,v 1.7 1998/02/28 01:07:45 pk Exp $ */
     
     /*-
      * Copyright (c) 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Paul Kranenburg.
     *
     * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION OR CONTRIBUTORS
     * 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.
     */
    
    /*-
     * Copyright (c) 1992, University of Vermont and State Agricultural College.
     * Copyright (c) 1992, Garrett A. Wollman.
     * 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 the University of
     *      Vermont and State Agricultural College and Garrett A. Wollman.
     * 4. Neither the name of the University nor the name of the author
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE UNIVERSITY OR AUTHOR 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.
     */
    
    /*
     * Intel 82586/82596 Ethernet chip
     * Register, bit, and structure definitions.
     *
     * Written by GAW with reference to the Clarkson Packet Driver code for this
     * chip written by Russ Nelson and others.
     */
    
    /*
     * NOTE, the structure definitions in here are for reference only.
     * We use integer offsets exclusively to access the i82586/596 data structures.
     */
    
    /*
     * This is the master configuration block.
     * It tells the hardware where all the rest of the stuff is.
     *-
    struct __ie_sys_conf_ptr {
            u_int16_t       mbz;                    // must be zero
            u_int8_t        ie_bus_use;             // true if 8-bit only
            u_int8_t        mbz2[5];                // must be zero
            u_int32_t       ie_iscp_ptr;            // 24-bit physaddr of ISCP
    } __packed;
    
     */
    #define IE_SCP_SZ               12      /* keep paragraph alignment */
    #define IE_SCP_BUS_USE(base)    ((base) + 2)
    #define IE_SCP_TEST(base)       ((base) + 4)
    #define IE_SCP_ISCP(base)       ((base) + 8)
    
    /*
     * Note that this is wired in hardware; the SCP is always located here, no
     * matter what.
    */
   #define IE_SCP_ADDR 0xfffff4
   
   /*
    * The tells the hardware where all the rest of the stuff is, too.
    * FIXME: some of these should be re-commented after we figure out their
    * REAL function.
    *-
   struct __ie_int_sys_conf_ptr {
           u_int8_t        ie_busy;        // zeroed after init
           u_int8_t        mbz;
           u_int16_t       ie_scb_offset;  // 16-bit physaddr of next struct
           caddr_t         ie_base;        // 24-bit physaddr for all 16-bit vars
   } __packed;
    */
   #define IE_ISCP_SZ              16
   #define IE_ISCP_BUSY(base)      ((base) + 0)
   #define IE_ISCP_SCB(base)       ((base) + 2)
   #define IE_ISCP_BASE(base)      ((base) + 4)
   
   /*
    * SYSBUS byte definitions
    * bit0 is not checked
    * bit6 is always 1
    */
   #define IE_SYSBUS_82586         0x00
   #define IE_SYSBUS_32SEG         0x02
   #define IE_SYSBUS_LINEAR        0x04
   #define IE_SYSBUS_TRG           0x08
   #define IE_SYSBUS_LOCK          0x10
   #define IE_SYSBUS_INTLOW        0x20
   #define IE_SYSBUS_BE            0x80
   
   /*
    * This FINALLY tells the hardware what to do and where to put it.
    *-
   struct __ie_sys_ctl_block {
           u_int16_t ie_status;            // status word
           u_int16_t ie_command;           // command word
           u_int16_t ie_command_list;      // 16-pointer to command block list
           u_int16_t ie_recv_list;         // 16-pointer to receive frame list
           u_int16_t ie_err_crc;           // CRC errors
           u_int16_t ie_err_align;         // Alignment errors
           u_int16_t ie_err_resource;      // Resource errors
           u_int16_t ie_err_overrun;       // Overrun errors
   } __packed;
    */
   #define IE_SCB_SZ               16
   #define IE_SCB_STATUS(base)     ((base) + 0)
   #define IE_SCB_CMD(base)        ((base) + 2)
   #define IE_SCB_CMDLST(base)     ((base) + 4)
   #define IE_SCB_RCVLST(base)     ((base) + 6)
   #define IE_SCB_ERRCRC(base)     ((base) + 8)
   #define IE_SCB_ERRALN(base)     ((base) + 10)
   #define IE_SCB_ERRRES(base)     ((base) + 12)
   #define IE_SCB_ERROVR(base)     ((base) + 14)
   
   /* Command values */
   #define IE_RUC_MASK     0x0070  /* mask for RU command */
   #define IE_RUC_NOP      0       /* for completeness */
   #define IE_RUC_START    0x0010  /* start receive unit command */
   #define IE_RUC_RESUME   0x0020  /* resume a suspended receiver command */
   #define IE_RUC_SUSPEND  0x0030  /* suspend receiver command */
   #define IE_RUC_ABORT    0x0040  /* abort current receive operation */
   
   #define IE_CUC_MASK     0x0700  /* mask for CU command */
   #define IE_CUC_NOP      0       /* included for completeness */
   #define IE_CUC_START    0x0100  /* do-command command */
   #define IE_CUC_RESUME   0x0200  /* resume a suspended cmd list */
   #define IE_CUC_SUSPEND  0x0300  /* suspend current command */
   #define IE_CUC_ABORT    0x0400  /* abort current command */
   
   #define IE_ACK_COMMAND  0xf000  /* mask for ACK command */
   #define IE_ACK_CX       0x8000  /* ack IE_ST_CX */
   #define IE_ACK_FR       0x4000  /* ack IE_ST_FR */
   #define IE_ACK_CNA      0x2000  /* ack IE_ST_CNA */
   #define IE_ACK_RNR      0x1000  /* ack IE_ST_RNR */
   
   #define IE_ACTION_COMMAND(x) (((x) & IE_CUC_MASK) == IE_CUC_START)
                                   /* is this command an action command? */
   
   #define IE_ST_WHENCE    0xf000  /* mask for cause of interrupt */
   #define IE_ST_CX        0x8000  /* command with I bit completed */
   #define IE_ST_FR        0x4000  /* frame received */
   #define IE_ST_CNA       0x2000  /* all commands completed */
   #define IE_ST_RNR       0x1000  /* receive not ready */
   
   #define IE_CUS_MASK     0x0700  /* mask for command unit status */
   #define IE_CUS_ACTIVE   0x0200  /* command unit is active */
   #define IE_CUS_SUSPEND  0x0100  /* command unit is suspended */
   
   #define IE_RUS_MASK     0x0070  /* mask for receiver unit status */
   #define IE_RUS_SUSPEND  0x0010  /* receiver is suspended */
   #define IE_RUS_NOSPACE  0x0020  /* receiver has no resources */
   #define IE_RUS_READY    0x0040  /* receiver is ready */
   
   #define IE_ST_BITS \
           "\020\020cx\017fr\016cna\015rnr\012cact\011csusp\07rrdy\06rnsp\05rsusp"
   
   /*
    * This is filled in partially by the chip, partially by us.
    *-
   struct __ie_recv_frame_desc {
           u_int16_t       ie_fd_status;   // status for this frame
           u_int16_t       ie_fd_last;     // end of frame list flag
           u_int16_t       ie_fd_next;     // 16-pointer to next RFD
           u_int16_t       ie_fd_buf_desc; // 16-pointer to list of buffer descs
           struct __ie_en_addr dest;       // destination ether
           struct __ie_en_addr src;        // source ether
           u_int16_t       ie_length;      // 802 length/Ether type
           u_short         mbz;            // must be zero
   } __packed;
    */
   #define IE_RFRAME_SZ                    24
   #define IE_RFRAME_ADDR(base,i)          ((base) + (i) * 64)
   #define IE_RFRAME_STATUS(b,i)           (IE_RFRAME_ADDR(b,i) + 0)
   #define IE_RFRAME_LAST(b,i)             (IE_RFRAME_ADDR(b,i) + 2)
   #define IE_RFRAME_NEXT(b,i)             (IE_RFRAME_ADDR(b,i) + 4)
   #define IE_RFRAME_BUFDESC(b,i)          (IE_RFRAME_ADDR(b,i) + 6)
   #define IE_RFRAME_EDST(b,i)             (IE_RFRAME_ADDR(b,i) + 8)
   #define IE_RFRAME_ESRC(b,i)             (IE_RFRAME_ADDR(b,i) + 14)
   #define IE_RFRAME_ELEN(b,i)             (IE_RFRAME_ADDR(b,i) + 20)
   
   /* "last" bits */
   #define IE_FD_EOL       0x8000  /* last rfd in list */
   #define IE_FD_SUSP      0x4000  /* suspend RU after receipt */
   
   /* status field bits */
   #define IE_FD_COMPLETE  0x8000  /* frame is complete */
   #define IE_FD_BUSY      0x4000  /* frame is busy */
   #define IE_FD_OK        0x2000  /* frame is ok */
   #define IE_FD_CRC       0x0800  /* CRC error */
   #define IE_FD_ALGN      0x0400  /* Alignment error */
   #define IE_FD_RNR       0x0200  /* receiver out of resources here */
   #define IE_FD_OVR       0x0100  /* DMA overrun */
   #define IE_FD_SHORT     0x0080  /* Short frame */
   #define IE_FD_NOEOF     0x0040  /* no EOF (?) */
   #define IE_FD_ERRMASK           /* all error bits */ \
           (IE_FD_CRC|IE_FD_ALGN|IE_FD_RNR|IE_FD_OVR|IE_FD_SHORT|IE_FD_NOEOF)
   #define IE_FD_STATUSBITS        \
           "\2\20complt\17busy\16ok\14crc\13algn\12rnr\11ovr\10short\7noeof"
   
   /*
    * linked list of buffers...
    *-
   struct __ie_recv_buf_desc {
           u_int16_t       ie_rbd_status;  // status for this buffer
           u_int16_t       ie_rbd_next;    // 16-pointer to next RBD
           caddr_t         ie_rbd_buffer;  // 24-pointer to buffer for this RBD
           u_int16_t       ie_rbd_length;  // length of the buffer
           u_int16_t       mbz;            // must be zero
   } __packed;
    */
   #define IE_RBD_SZ                       12
   #define IE_RBD_ADDR(base,i)             ((base) + (i) * 32)
   #define IE_RBD_STATUS(b,i)              (IE_RBD_ADDR(b,i) + 0)
   #define IE_RBD_NEXT(b,i)                (IE_RBD_ADDR(b,i) + 2)
   #define IE_RBD_BUFADDR(b,i)             (IE_RBD_ADDR(b,i) + 4)
   #define IE_RBD_BUFLEN(b,i)              (IE_RBD_ADDR(b,i) + 8)
   
   /* RBD status fields */
   #define IE_RBD_LAST     0x8000          /* last buffer */
   #define IE_RBD_USED     0x4000          /* this buffer has data */
   #define IE_RBD_CNTMASK  0x3fff          /* byte count of buffer data */
   
   /* RDB `End Of List' flag; encoded in `buffer length' field */
   #define IE_RBD_EOL      0x8000          /* last buffer */
   
   
   /*
    * All commands share this in common.
    *-
   struct __ie_cmd_common {
           u_int16_t ie_cmd_status;        // status of this command 
           u_int16_t ie_cmd_cmd;           // command word
           u_int16_t ie_cmd_link;          // link to next command
   } __packed;
    */
   #define IE_CMD_COMMON_SZ                6
   #define IE_CMD_COMMON_STATUS(base)      ((base) + 0)
   #define IE_CMD_COMMON_CMD(base)         ((base) + 2)
   #define IE_CMD_COMMON_LINK(base)        ((base) + 4)
   
   #define IE_STAT_COMPL   0x8000  /* command is completed */
   #define IE_STAT_BUSY    0x4000  /* command is running now */
   #define IE_STAT_OK      0x2000  /* command completed successfully */
   #define IE_STAT_ABORT   0x1000  /* command was aborted */
   #define IE_STAT_BITS    "\020\020complete\017busy\016ok\015abort"
   
   #define IE_CMD_NOP      0x0000  /* NOP */
   #define IE_CMD_IASETUP  0x0001  /* initial address setup */
   #define IE_CMD_CONFIG   0x0002  /* configure command */
   #define IE_CMD_MCAST    0x0003  /* multicast setup command */
   #define IE_CMD_XMIT     0x0004  /* transmit command */
   #define IE_CMD_TDR      0x0005  /* time-domain reflectometer command */
   #define IE_CMD_DUMP     0x0006  /* dump command */
   #define IE_CMD_DIAGNOSE 0x0007  /* diagnostics command */
   
   #define IE_CMD_LAST     0x8000  /* this is the last command in the list */
   #define IE_CMD_SUSPEND  0x4000  /* suspend CU after this command */
   #define IE_CMD_INTR     0x2000  /* post an interrupt after completion */
   
   /*
    * No-op commands; just like COMMON but "indexable"
    */
   #define IE_CMD_NOP_SZ                   IE_CMD_COMMON_SZ
   #define IE_CMD_NOP_ADDR(base,i)         ((base) + (i) * 32)
   #define IE_CMD_NOP_STATUS(b,i)          (IE_CMD_NOP_ADDR(b,i) + 0)
   #define IE_CMD_NOP_CMD(b,i)             (IE_CMD_NOP_ADDR(b,i) + 2)
   #define IE_CMD_NOP_LINK(b,i)            (IE_CMD_NOP_ADDR(b,i) + 4)
   
   
   /*
    * This is the command to transmit a frame.
    *-
   struct __ie_xmit_cmd {
           struct __ie_cmd_common  com;            // common part
   #define __ie_xmit_status        com.ie_cmd_status
   
           u_int16_t       ie_xmit_desc;           // pointer to buffer descriptor
           struct __ie_en_addr ie_xmit_addr;       // destination address
           u_int16_t       ie_xmit_length;         // 802.3 length/Ether type field
   } __packed;
    */
   #define IE_CMD_XMIT_SZ                  (IE_CMD_COMMON_SZ + 10)
   #define IE_CMD_XMIT_ADDR(base,i)        ((base) + (i) * 32)
   #define IE_CMD_XMIT_STATUS(b,i)         (IE_CMD_XMIT_ADDR(b,i) + 0)
   #define IE_CMD_XMIT_CMD(b,i)            (IE_CMD_XMIT_ADDR(b,i) + 2)
   #define IE_CMD_XMIT_LINK(b,i)           (IE_CMD_XMIT_ADDR(b,i) + 4)
   #define IE_CMD_XMIT_DESC(b,i)           \
           (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 0)
   #define IE_CMD_XMIT_EADDR(b,i)          \
           (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 2)
   #define IE_CMD_XMIT_LEN(b,i)            \
           (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 8)
   
   #define IE_XS_MAXCOLL   0x000f  /* number of collisions during transmit */
   #define IE_XS_EXCMAX    0x0020  /* exceeded maximum number of collisions */
   #define IE_XS_SQE       0x0040  /* SQE positive */
   #define IE_XS_DEFERRED  0x0080  /* transmission deferred */
   #define IE_XS_UNDERRUN  0x0100  /* DMA underrun */
   #define IE_XS_LOSTCTS   0x0200  /* Lost CTS */
   #define IE_XS_NOCARRIER 0x0400  /* No Carrier */
   #define IE_XS_LATECOLL  0x0800  /* Late collision */
   
   #define IE_XS_BITS \
           "\020\014ltcoll\013nocar\012lostcts\011underrun\010xsdef\07sqe\06excoll"
   
   /*
    * This is a buffer descriptor for a frame to be transmitted.
    *-
   struct __ie_xmit_buf {
           u_int16_t ie_xmit_flags;        // see below
           u_int16_t ie_xmit_next;         // 16-pointer to next desc
           caddr_t ie_xmit_buf;            // 24-pointer to the actual buffer
   } __packed;
    */
   #define IE_XBD_SZ                       8
   #define IE_XBD_ADDR(base,i)             ((base) + (i) * 32)
   #define IE_XBD_FLAGS(b,i)               (IE_XBD_ADDR(b,i) + 0)
   #define IE_XBD_NEXT(b,i)                (IE_XBD_ADDR(b,i) + 2)
   #define IE_XBD_BUF(b,i)                 (IE_XBD_ADDR(b,i) + 4)
   
   #define IE_TBD_EOL      0x8000          /* this TBD is the last one */
   #define IE_TBD_CNTMASK  0x3fff          /* The rest of the `flags' word
                                              is actually the length. */
   
   
   /*
    * Multicast setup command.
    *-
   struct __ie_mcast_cmd {
           struct __ie_cmd_common  com;    // common part
   #define ie_mcast_status         com.ie_cmd_status
   
           // size (in bytes) of multicast addresses
           u_int16_t               ie_mcast_bytes;
           struct __ie_en_addr ie_mcast_addrs[IE_MAXMCAST + 1];// space for them
   } __packed;
    */
   #define IE_CMD_MCAST_SZ                 (IE_CMD_COMMON_SZ + 2 /* + XXX */)
   #define IE_CMD_MCAST_BYTES(base)        ((base) + IE_CMD_COMMON_SZ + 0)
   #define IE_CMD_MCAST_MADDR(base)        ((base) + IE_CMD_COMMON_SZ + 2)
   
   /*
    * Time Domain Reflectometer command.
    *-
   struct __ie_tdr_cmd {
           struct __ie_cmd_common com;     // common part
   #define ie_tdr_status com.ie_cmd_status
           u_short ie_tdr_time;            // error bits and time
   } __packed;
    */
   #define IE_CMD_TDR_SZ           (IE_CMD_COMMON_SZ + 2)
   #define IE_CMD_TDR_TIME(base)   ((base) + IE_CMD_COMMON_SZ + 0)
   
   #define IE_TDR_SUCCESS  0x8000  /* TDR succeeded without error */
   #define IE_TDR_XCVR     0x4000  /* detected a transceiver problem */
   #define IE_TDR_OPEN     0x2000  /* detected an open */
   #define IE_TDR_SHORT    0x1000  /* TDR detected a short */
   #define IE_TDR_TIME     0x07ff  /* mask for reflection time */
   
   #define IE_TDR_BITS     "\020\020success\017xcvr\016open\015short"
   
   /*
    * Initial Address Setup command
    *-
   struct __ie_iasetup_cmd {
           struct __ie_cmd_common com;
   #define ie_iasetup_status com.ie_cmd_status
           struct __ie_en_addr ie_address;
   } __packed;
    */
   #define IE_CMD_IAS_SZ           (IE_CMD_COMMON_SZ + 6)
   #define IE_CMD_IAS_EADDR(base)  ((base) + IE_CMD_COMMON_SZ + 0)
   
   /*
    * Configuration command
    *-
   struct __ie_config_cmd {
           struct __ie_cmd_common com;     // common part
   #define ie_config_status com.ie_cmd_status
   
           u_int8_t ie_config_count;       // byte count (0x0c)
           u_int8_t ie_fifo;               // fifo (8)
           u_int8_t ie_save_bad;           // save bad frames (0x40)
           u_int8_t ie_addr_len;           // address length (0x2e) (AL-LOC == 1)
           u_int8_t ie_priority;           // priority and backoff (0x0)
           u_int8_t ie_ifs;                // inter-frame spacing (0x60)
           u_int8_t ie_slot_low;           // slot time, LSB (0x0)
           u_int8_t ie_slot_high;          // slot time, MSN, and retries (0xf2)
           u_int8_t ie_promisc;            // 1 if promiscuous, else 0
           u_int8_t ie_crs_cdt;            // CSMA/CD parameters (0x0)
           u_int8_t ie_min_len;            // min frame length (0x40)
           u_int8_t ie_junk;               // stuff for 82596 (0xff)
   } __packed;
    */
   #define IE_CMD_CFG_SZ                   (IE_CMD_COMMON_SZ + 12)
   #define IE_CMD_CFG_CNT(base)            ((base) + IE_CMD_COMMON_SZ + 0)
   #define IE_CMD_CFG_FIFO(base)           ((base) + IE_CMD_COMMON_SZ + 1)
   #define IE_CMD_CFG_SAVEBAD(base)        ((base) + IE_CMD_COMMON_SZ + 2)
   #define IE_CMD_CFG_ADDRLEN(base)        ((base) + IE_CMD_COMMON_SZ + 3)
   #define IE_CMD_CFG_PRIORITY(base)       ((base) + IE_CMD_COMMON_SZ + 4)
   #define IE_CMD_CFG_IFS(base)            ((base) + IE_CMD_COMMON_SZ + 5)
   #define IE_CMD_CFG_SLOT_LOW(base)       ((base) + IE_CMD_COMMON_SZ + 6)
   #define IE_CMD_CFG_SLOT_HIGH(base)      ((base) + IE_CMD_COMMON_SZ + 7)
   #define IE_CMD_CFG_PROMISC(base)        ((base) + IE_CMD_COMMON_SZ + 8)
   #define IE_CMD_CFG_CRSCDT(base)         ((base) + IE_CMD_COMMON_SZ + 9)
   #define IE_CMD_CFG_MINLEN(base)         ((base) + IE_CMD_COMMON_SZ + 10)
   #define IE_CMD_CFG_JUNK(base)           ((base) + IE_CMD_COMMON_SZ + 11)

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