root/dev/ic/i82596reg.h

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    1 /*      $OpenBSD: i82596reg.h,v 1.4 2002/10/13 14:21:49 mickey Exp $    */
    2 /*      $NetBSD: i82586reg.h,v 1.7 1998/02/28 01:07:45 pk Exp $ */
    3 
    4 /*-
    5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Paul Kranenburg.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *        This product includes software developed by the NetBSD
   22  *        Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  */
   39 
   40 /*-
   41  * Copyright (c) 1992, University of Vermont and State Agricultural College.
   42  * Copyright (c) 1992, Garrett A. Wollman.
   43  * All rights reserved.
   44  *
   45  * Redistribution and use in source and binary forms, with or without
   46  * modification, are permitted provided that the following conditions
   47  * are met:
   48  * 1. Redistributions of source code must retain the above copyright
   49  *    notice, this list of conditions and the following disclaimer.
   50  * 2. Redistributions in binary form must reproduce the above copyright
   51  *    notice, this list of conditions and the following disclaimer in the
   52  *    documentation and/or other materials provided with the distribution.
   53  * 3. All advertising materials mentioning features or use of this software
   54  *    must display the following acknowledgement:
   55  *      This product includes software developed by the University of
   56  *      Vermont and State Agricultural College and Garrett A. Wollman.
   57  * 4. Neither the name of the University nor the name of the author
   58  *    may be used to endorse or promote products derived from this software
   59  *    without specific prior written permission.
   60  *
   61  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   62  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   63  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   64  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR AUTHOR BE LIABLE
   65  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   66  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   67  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   68  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   69  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   70  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   71  * SUCH DAMAGE.
   72  */
   73 
   74 /*
   75  * Intel 82586/82596 Ethernet chip
   76  * Register, bit, and structure definitions.
   77  *
   78  * Written by GAW with reference to the Clarkson Packet Driver code for this
   79  * chip written by Russ Nelson and others.
   80  */
   81 
   82 /*
   83  * NOTE, the structure definitions in here are for reference only.
   84  * We use integer offsets exclusively to access the i82586/596 data structures.
   85  */
   86 
   87 #pragma pack(1)
   88 
   89 /*
   90  * This is the master configuration block.
   91  * It tells the hardware where all the rest of the stuff is.
   92  *-
   93 struct __ie_sys_conf_ptr {
   94         u_int16_t       mbz;                    // must be zero
   95         u_int8_t        ie_bus_use;             // true if 8-bit only
   96         u_int8_t        mbz2[5];                // must be zero
   97         u_int32_t       ie_iscp_ptr;            // 24-bit physaddr of ISCP
   98 };
   99  */
  100 #define IE_SCP_SZ               12      /* keep paragraph alignment */
  101 #define IE_SCP_BUS_USE(base)    ((base) + 2)
  102 #define IE_SCP_TEST(base)       ((base) + 4)
  103 #define IE_SCP_ISCP(base)       ((base) + 8)
  104 
  105 /*
  106  * Note that this is wired in hardware; the SCP is always located here, no
  107  * matter what.
  108  */
  109 #define IE_SCP_ADDR 0xfffff4
  110 
  111 /*
  112  * The tells the hardware where all the rest of the stuff is, too.
  113  * FIXME: some of these should be re-commented after we figure out their
  114  * REAL function.
  115  *-
  116 struct __ie_int_sys_conf_ptr {
  117         u_int8_t        ie_busy;        // zeroed after init
  118         u_int8_t        mbz;
  119         u_int16_t       ie_scb_offset;  // 16-bit physaddr of next struct
  120         caddr_t         ie_base;        // 24-bit physaddr for all 16-bit vars
  121 };
  122  */
  123 #define IE_ISCP_SZ              16
  124 #define IE_ISCP_BUSY(base)      ((base) + 0)
  125 #define IE_ISCP_SCB(base)       ((base) + 2)
  126 #define IE_ISCP_BASE(base)      ((base) + 4)
  127 
  128 /*
  129  * SYSBUS byte definitions
  130  * bit0 is not checked
  131  * bit6 is always 1
  132  */
  133 #define IE_SYSBUS_82586         0x00
  134 #define IE_SYSBUS_32SEG         0x02
  135 #define IE_SYSBUS_LINEAR        0x04
  136 #define IE_SYSBUS_TRG           0x08
  137 #define IE_SYSBUS_LOCK          0x10
  138 #define IE_SYSBUS_INTLOW        0x20
  139 #define IE_SYSBUS_BE            0x80
  140 
  141 /*
  142  * This FINALLY tells the hardware what to do and where to put it.
  143  *-
  144 struct __ie_sys_ctl_block {
  145         u_int16_t ie_status;            // status word
  146         u_int16_t ie_command;           // command word
  147         u_int16_t ie_command_list;      // 16-pointer to command block list
  148         u_int16_t ie_recv_list;         // 16-pointer to receive frame list
  149         u_int16_t ie_err_crc;           // CRC errors
  150         u_int16_t ie_err_align;         // Alignment errors
  151         u_int16_t ie_err_resource;      // Resource errors
  152         u_int16_t ie_err_overrun;       // Overrun errors
  153 };
  154  */
  155 #define IE_SCB_SZ               16
  156 #define IE_SCB_STATUS(base)     ((base) + 0)
  157 #define IE_SCB_CMD(base)        ((base) + 2)
  158 #define IE_SCB_CMDLST(base)     ((base) + 4)
  159 #define IE_SCB_RCVLST(base)     ((base) + 6)
  160 #define IE_SCB_ERRCRC(base)     ((base) + 8)
  161 #define IE_SCB_ERRALN(base)     ((base) + 10)
  162 #define IE_SCB_ERRRES(base)     ((base) + 12)
  163 #define IE_SCB_ERROVR(base)     ((base) + 14)
  164 
  165 /* Command values */
  166 #define IE_RUC_MASK     0x0070  /* mask for RU command */
  167 #define IE_RUC_NOP      0       /* for completeness */
  168 #define IE_RUC_START    0x0010  /* start receive unit command */
  169 #define IE_RUC_RESUME   0x0020  /* resume a suspended receiver command */
  170 #define IE_RUC_SUSPEND  0x0030  /* suspend receiver command */
  171 #define IE_RUC_ABORT    0x0040  /* abort current receive operation */
  172 
  173 #define IE_CUC_MASK     0x0700  /* mask for CU command */
  174 #define IE_CUC_NOP      0       /* included for completeness */
  175 #define IE_CUC_START    0x0100  /* do-command command */
  176 #define IE_CUC_RESUME   0x0200  /* resume a suspended cmd list */
  177 #define IE_CUC_SUSPEND  0x0300  /* suspend current command */
  178 #define IE_CUC_ABORT    0x0400  /* abort current command */
  179 
  180 #define IE_ACK_COMMAND  0xf000  /* mask for ACK command */
  181 #define IE_ACK_CX       0x8000  /* ack IE_ST_CX */
  182 #define IE_ACK_FR       0x4000  /* ack IE_ST_FR */
  183 #define IE_ACK_CNA      0x2000  /* ack IE_ST_CNA */
  184 #define IE_ACK_RNR      0x1000  /* ack IE_ST_RNR */
  185 
  186 #define IE_ACTION_COMMAND(x) (((x) & IE_CUC_MASK) == IE_CUC_START)
  187                                 /* is this command an action command? */
  188 
  189 #define IE_ST_WHENCE    0xf000  /* mask for cause of interrupt */
  190 #define IE_ST_CX        0x8000  /* command with I bit completed */
  191 #define IE_ST_FR        0x4000  /* frame received */
  192 #define IE_ST_CNA       0x2000  /* all commands completed */
  193 #define IE_ST_RNR       0x1000  /* receive not ready */
  194 
  195 #define IE_CUS_MASK     0x0700  /* mask for command unit status */
  196 #define IE_CUS_ACTIVE   0x0200  /* command unit is active */
  197 #define IE_CUS_SUSPEND  0x0100  /* command unit is suspended */
  198 
  199 #define IE_RUS_MASK     0x0070  /* mask for receiver unit status */
  200 #define IE_RUS_SUSPEND  0x0010  /* receiver is suspended */
  201 #define IE_RUS_NOSPACE  0x0020  /* receiver has no resources */
  202 #define IE_RUS_READY    0x0040  /* receiver is ready */
  203 
  204 #define IE_ST_BITS \
  205         "\020\020cx\017fr\016cna\015rnr\012cact\011csusp\07rrdy\06rnsp\05rsusp"
  206 
  207 /*
  208  * This is filled in partially by the chip, partially by us.
  209  *-
  210 struct __ie_recv_frame_desc {
  211         u_int16_t       ie_fd_status;   // status for this frame
  212         u_int16_t       ie_fd_last;     // end of frame list flag
  213         u_int16_t       ie_fd_next;     // 16-pointer to next RFD
  214         u_int16_t       ie_fd_buf_desc; // 16-pointer to list of buffer descs
  215         struct __ie_en_addr dest;       // destination ether
  216         struct __ie_en_addr src;        // source ether
  217         u_int16_t       ie_length;      // 802 length/Ether type
  218         u_short         mbz;            // must be zero
  219 };
  220  */
  221 #define IE_RFRAME_SZ                    24
  222 #define IE_RFRAME_ADDR(base,i)          ((base) + (i) * 64)
  223 #define IE_RFRAME_STATUS(b,i)           (IE_RFRAME_ADDR(b,i) + 0)
  224 #define IE_RFRAME_LAST(b,i)             (IE_RFRAME_ADDR(b,i) + 2)
  225 #define IE_RFRAME_NEXT(b,i)             (IE_RFRAME_ADDR(b,i) + 4)
  226 #define IE_RFRAME_BUFDESC(b,i)          (IE_RFRAME_ADDR(b,i) + 6)
  227 #define IE_RFRAME_EDST(b,i)             (IE_RFRAME_ADDR(b,i) + 8)
  228 #define IE_RFRAME_ESRC(b,i)             (IE_RFRAME_ADDR(b,i) + 14)
  229 #define IE_RFRAME_ELEN(b,i)             (IE_RFRAME_ADDR(b,i) + 20)
  230 
  231 /* "last" bits */
  232 #define IE_FD_EOL       0x8000  /* last rfd in list */
  233 #define IE_FD_SUSP      0x4000  /* suspend RU after receipt */
  234 
  235 /* status field bits */
  236 #define IE_FD_COMPLETE  0x8000  /* frame is complete */
  237 #define IE_FD_BUSY      0x4000  /* frame is busy */
  238 #define IE_FD_OK        0x2000  /* frame is ok */
  239 #define IE_FD_CRC       0x0800  /* CRC error */
  240 #define IE_FD_ALGN      0x0400  /* Alignment error */
  241 #define IE_FD_RNR       0x0200  /* receiver out of resources here */
  242 #define IE_FD_OVR       0x0100  /* DMA overrun */
  243 #define IE_FD_SHORT     0x0080  /* Short frame */
  244 #define IE_FD_NOEOF     0x0040  /* no EOF (?) */
  245 #define IE_FD_ERRMASK           /* all error bits */ \
  246         (IE_FD_CRC|IE_FD_ALGN|IE_FD_RNR|IE_FD_OVR|IE_FD_SHORT|IE_FD_NOEOF)
  247 #define IE_FD_STATUSBITS        \
  248         "\20\20complt\17busy\16ok\14crc\13algn\12rnr\11ovr\10short\7noeof"
  249 
  250 /*
  251  * linked list of buffers...
  252  *-
  253 struct __ie_recv_buf_desc {
  254         u_int16_t       ie_rbd_status;  // status for this buffer
  255         u_int16_t       ie_rbd_next;    // 16-pointer to next RBD
  256         caddr_t         ie_rbd_buffer;  // 24-pointer to buffer for this RBD
  257         u_int16_t       ie_rbd_length;  // length of the buffer
  258         u_int16_t       mbz;            // must be zero
  259 };
  260  */
  261 #define IE_RBD_SZ                       12
  262 #define IE_RBD_ADDR(base,i)             ((base) + (i) * 32)
  263 #define IE_RBD_STATUS(b,i)              (IE_RBD_ADDR(b,i) + 0)
  264 #define IE_RBD_NEXT(b,i)                (IE_RBD_ADDR(b,i) + 2)
  265 #define IE_RBD_BUFADDR(b,i)             (IE_RBD_ADDR(b,i) + 4)
  266 #define IE_RBD_BUFLEN(b,i)              (IE_RBD_ADDR(b,i) + 8)
  267 
  268 /* RBD status fields */
  269 #define IE_RBD_LAST     0x8000          /* last buffer */
  270 #define IE_RBD_USED     0x4000          /* this buffer has data */
  271 #define IE_RBD_CNTMASK  0x3fff          /* byte count of buffer data */
  272 
  273 /* RDB `End Of List' flag; encoded in `buffer length' field */
  274 #define IE_RBD_EOL      0x8000          /* last buffer */
  275 
  276 
  277 /*
  278  * All commands share this in common.
  279  *-
  280 struct __ie_cmd_common {
  281         u_int16_t ie_cmd_status;        // status of this command 
  282         u_int16_t ie_cmd_cmd;           // command word
  283         u_int16_t ie_cmd_link;          // link to next command
  284 };
  285  */
  286 #define IE_CMD_COMMON_SZ                6
  287 #define IE_CMD_COMMON_STATUS(base)      ((base) + 0)
  288 #define IE_CMD_COMMON_CMD(base)         ((base) + 2)
  289 #define IE_CMD_COMMON_LINK(base)        ((base) + 4)
  290 
  291 #define IE_STAT_COMPL   0x8000  /* command is completed */
  292 #define IE_STAT_BUSY    0x4000  /* command is running now */
  293 #define IE_STAT_OK      0x2000  /* command completed successfully */
  294 #define IE_STAT_ABORT   0x1000  /* command was aborted */
  295 #define IE_STAT_BITS    "\020\020complete\017busy\016ok\015abort"
  296 
  297 #define IE_CMD_NOP      0x0000  /* NOP */
  298 #define IE_CMD_IASETUP  0x0001  /* initial address setup */
  299 #define IE_CMD_CONFIG   0x0002  /* configure command */
  300 #define IE_CMD_MCAST    0x0003  /* multicast setup command */
  301 #define IE_CMD_XMIT     0x0004  /* transmit command */
  302 #define IE_CMD_TDR      0x0005  /* time-domain reflectometer command */
  303 #define IE_CMD_DUMP     0x0006  /* dump command */
  304 #define IE_CMD_DIAGNOSE 0x0007  /* diagnostics command */
  305 
  306 #define IE_CMD_LAST     0x8000  /* this is the last command in the list */
  307 #define IE_CMD_SUSPEND  0x4000  /* suspend CU after this command */
  308 #define IE_CMD_INTR     0x2000  /* post an interrupt after completion */
  309 
  310 /*
  311  * No-op commands; just like COMMON but "indexable"
  312  */
  313 #define IE_CMD_NOP_SZ                   IE_CMD_COMMON_SZ
  314 #define IE_CMD_NOP_ADDR(base,i)         ((base) + (i) * 32)
  315 #define IE_CMD_NOP_STATUS(b,i)          (IE_CMD_NOP_ADDR(b,i) + 0)
  316 #define IE_CMD_NOP_CMD(b,i)             (IE_CMD_NOP_ADDR(b,i) + 2)
  317 #define IE_CMD_NOP_LINK(b,i)            (IE_CMD_NOP_ADDR(b,i) + 4)
  318 
  319 
  320 /*
  321  * This is the command to transmit a frame.
  322  *-
  323 struct __ie_xmit_cmd {
  324         struct __ie_cmd_common  com;            // common part
  325 #define __ie_xmit_status        com.ie_cmd_status
  326 
  327         u_int16_t       ie_xmit_desc;           // pointer to buffer descriptor
  328         struct __ie_en_addr ie_xmit_addr;       // destination address
  329         u_int16_t       ie_xmit_length;         // 802.3 length/Ether type field
  330 };
  331  */
  332 #define IE_CMD_XMIT_SZ                  (IE_CMD_COMMON_SZ + 10)
  333 #define IE_CMD_XMIT_ADDR(base,i)        ((base) + (i) * 32)
  334 #define IE_CMD_XMIT_STATUS(b,i)         (IE_CMD_XMIT_ADDR(b,i) + 0)
  335 #define IE_CMD_XMIT_CMD(b,i)            (IE_CMD_XMIT_ADDR(b,i) + 2)
  336 #define IE_CMD_XMIT_LINK(b,i)           (IE_CMD_XMIT_ADDR(b,i) + 4)
  337 #define IE_CMD_XMIT_DESC(b,i)           \
  338         (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 0)
  339 #define IE_CMD_XMIT_EADDR(b,i)          \
  340         (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 2)
  341 #define IE_CMD_XMIT_LEN(b,i)            \
  342         (IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 8)
  343 
  344 #define IE_XS_MAXCOLL   0x000f  /* number of collisions during transmit */
  345 #define IE_XS_EXCMAX    0x0020  /* exceeded maximum number of collisions */
  346 #define IE_XS_SQE       0x0040  /* SQE positive */
  347 #define IE_XS_DEFERRED  0x0080  /* transmission deferred */
  348 #define IE_XS_UNDERRUN  0x0100  /* DMA underrun */
  349 #define IE_XS_LOSTCTS   0x0200  /* Lost CTS */
  350 #define IE_XS_NOCARRIER 0x0400  /* No Carrier */
  351 #define IE_XS_LATECOLL  0x0800  /* Late collision */
  352 
  353 #define IE_XS_BITS \
  354         "\020\014ltcoll\013nocar\012lostcts\011underrun\010xsdef\07sqe\06excoll"
  355 
  356 /*
  357  * This is a buffer descriptor for a frame to be transmitted.
  358  *-
  359 struct __ie_xmit_buf {
  360         u_int16_t ie_xmit_flags;        // see below
  361         u_int16_t ie_xmit_next;         // 16-pointer to next desc
  362         caddr_t ie_xmit_buf;            // 24-pointer to the actual buffer
  363 };
  364  */
  365 #define IE_XBD_SZ                       8
  366 #define IE_XBD_ADDR(base,i)             ((base) + (i) * 32)
  367 #define IE_XBD_FLAGS(b,i)               (IE_XBD_ADDR(b,i) + 0)
  368 #define IE_XBD_NEXT(b,i)                (IE_XBD_ADDR(b,i) + 2)
  369 #define IE_XBD_BUF(b,i)                 (IE_XBD_ADDR(b,i) + 4)
  370 
  371 #define IE_TBD_EOL      0x8000          /* this TBD is the last one */
  372 #define IE_TBD_CNTMASK  0x3fff          /* The rest of the `flags' word
  373                                            is actually the length. */
  374 
  375 
  376 /*
  377  * Multicast setup command.
  378  *-
  379 struct __ie_mcast_cmd {
  380         struct __ie_cmd_common  com;    // common part
  381 #define ie_mcast_status         com.ie_cmd_status
  382 
  383         // size (in bytes) of multicast addresses
  384         u_int16_t               ie_mcast_bytes;
  385         struct __ie_en_addr ie_mcast_addrs[IE_MAXMCAST + 1];// space for them
  386 };
  387  */
  388 #define IE_CMD_MCAST_SZ                 (IE_CMD_COMMON_SZ + 2 /* + XXX */)
  389 #define IE_CMD_MCAST_BYTES(base)        ((base) + IE_CMD_COMMON_SZ + 0)
  390 #define IE_CMD_MCAST_MADDR(base)        ((base) + IE_CMD_COMMON_SZ + 2)
  391 
  392 /*
  393  * Time Domain Reflectometer command.
  394  *-
  395 struct __ie_tdr_cmd {
  396         struct __ie_cmd_common com;     // common part
  397 #define ie_tdr_status com.ie_cmd_status
  398         u_short ie_tdr_time;            // error bits and time
  399 };
  400  */
  401 #define IE_CMD_TDR_SZ           (IE_CMD_COMMON_SZ + 2)
  402 #define IE_CMD_TDR_TIME(base)   ((base) + IE_CMD_COMMON_SZ + 0)
  403 
  404 #define IE_TDR_SUCCESS  0x8000  /* TDR succeeded without error */
  405 #define IE_TDR_XCVR     0x4000  /* detected a transceiver problem */
  406 #define IE_TDR_OPEN     0x2000  /* detected an open */
  407 #define IE_TDR_SHORT    0x1000  /* TDR detected a short */
  408 #define IE_TDR_TIME     0x07ff  /* mask for reflection time */
  409 
  410 #define IE_TDR_BITS     "\020\020success\017xcvr\016open\015short"
  411 
  412 /*
  413  * Initial Address Setup command
  414  *-
  415 struct __ie_iasetup_cmd {
  416         struct __ie_cmd_common com;
  417 #define ie_iasetup_status com.ie_cmd_status
  418         struct __ie_en_addr ie_address;
  419 };
  420  */
  421 #define IE_CMD_IAS_SZ           (IE_CMD_COMMON_SZ + 6)
  422 #define IE_CMD_IAS_EADDR(base)  ((base) + IE_CMD_COMMON_SZ + 0)
  423 
  424 /*
  425  * Configuration command
  426  *-
  427 struct __ie_config_cmd {
  428         struct __ie_cmd_common com;     // common part
  429 #define ie_config_status com.ie_cmd_status
  430 
  431         u_int8_t ie_config_count;       // byte count (0x0c)
  432         u_int8_t ie_fifo;               // fifo (8)
  433         u_int8_t ie_save_bad;           // save bad frames (0x40)
  434         u_int8_t ie_addr_len;           // address length (0x2e) (AL-LOC == 1)
  435         u_int8_t ie_priority;           // priority and backoff (0x0)
  436         u_int8_t ie_ifs;                // inter-frame spacing (0x60)
  437         u_int8_t ie_slot_low;           // slot time, LSB (0x0)
  438         u_int8_t ie_slot_high;          // slot time, MSN, and retries (0xf2)
  439         u_int8_t ie_promisc;            // 1 if promiscuous, else 0
  440         u_int8_t ie_crs_cdt;            // CSMA/CD parameters (0x0)
  441         u_int8_t ie_min_len;            // min frame length (0x40)
  442         u_int8_t ie_junk;               // stuff for 82596 (0xff)
  443 };
  444  */
  445 #define IE_CMD_CFG_SZ                   (IE_CMD_COMMON_SZ + 12)
  446 #define IE_CMD_CFG_CNT(base)            ((base) + IE_CMD_COMMON_SZ + 0)
  447 #define IE_CMD_CFG_FIFO(base)           ((base) + IE_CMD_COMMON_SZ + 1)
  448 #define IE_CMD_CFG_SAVEBAD(base)        ((base) + IE_CMD_COMMON_SZ + 2)
  449 #define IE_CMD_CFG_ADDRLEN(base)        ((base) + IE_CMD_COMMON_SZ + 3)
  450 #define IE_CMD_CFG_PRIORITY(base)       ((base) + IE_CMD_COMMON_SZ + 4)
  451 #define IE_CMD_CFG_IFS(base)            ((base) + IE_CMD_COMMON_SZ + 5)
  452 #define IE_CMD_CFG_SLOT_LOW(base)       ((base) + IE_CMD_COMMON_SZ + 6)
  453 #define IE_CMD_CFG_SLOT_HIGH(base)      ((base) + IE_CMD_COMMON_SZ + 7)
  454 #define IE_CMD_CFG_PROMISC(base)        ((base) + IE_CMD_COMMON_SZ + 8)
  455 #define IE_CMD_CFG_CRSCDT(base)         ((base) + IE_CMD_COMMON_SZ + 9)
  456 #define IE_CMD_CFG_MINLEN(base)         ((base) + IE_CMD_COMMON_SZ + 10)
  457 #define IE_CMD_CFG_JUNK(base)           ((base) + IE_CMD_COMMON_SZ + 11)
  458 
  459 #pragma pack()

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