07b064e02e
Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will only support Ethernet. Tcpdump itself should be ok, but libpcap needs lot of work. For the detailed change history, look at the commit log entries for the is-newarp branch.
298 lines
11 KiB
C
298 lines
11 KiB
C
/* $NetBSD: i82586.h,v 1.6 1997/03/15 18:10:48 is Exp $ */
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/*-
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* Copyright (c) 1992, University of Vermont and State Agricultural College.
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* Copyright (c) 1992, Garrett A. Wollman.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* Vermont and State Agricultural College and Garrett A. Wollman.
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* 4. Neither the name of the University nor the name of the author
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR AUTHOR BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Intel 82586 Ethernet chip
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* Register, bit, and structure definitions.
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*
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* Written by GAW with reference to the Clarkson Packet Driver code for this
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* chip written by Russ Nelson and others.
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*
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* Sun support added by Charles D. Cranor, 25-Oct-94
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*
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* XXX: This is very much like dev/ic/i82586reg.h except for
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* XXX: the SWAP() macro used here to byte-swap word constants.
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* XXX: (This should probably replace the version in dev/ic)
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*/
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struct ie_en_addr {
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u_char data[6];
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};
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/*
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* This is the master configuration block. It tells the hardware where all
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* the rest of the stuff is.
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*/
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struct ie_sys_conf_ptr {
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u_short mbz; /* must be zero (alignment) */
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u_char ie_bus_use; /* true if 8-bit only */
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u_char mbz2[5]; /* must be zero */
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u_int ie_iscp_ptr; /* 24-bit physaddr of ISCP */
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};
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/*
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* Note that this is wired in hardware; the SCP is always located here, no
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* matter what.
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*/
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#define IE_SCP_ADDR 0xfffff4
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/*
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* The tells the hardware where all the rest of the stuff is, too.
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* FIXME: some of these should be re-commented after we figure out their
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* REAL function.
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*/
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struct ie_int_sys_conf_ptr {
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u_char ie_busy; /* zeroed after init */
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u_char mbz;
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u_short ie_scb_offset; /* 16-bit physaddr of next struct */
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u_int ie_base; /* 24-bit physaddr for all 16-bit vars */
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};
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/*
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* This FINALLY tells the hardware what to do and where to put it.
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*/
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struct ie_sys_ctl_block {
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u_short ie_status; /* status word */
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u_short ie_command; /* command word */
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u_short ie_command_list; /* 16-pointer to command block list */
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u_short ie_recv_list; /* 16-pointer to receive frame list */
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u_short ie_err_crc; /* CRC errors */
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u_short ie_err_align; /* Alignment errors */
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u_short ie_err_resource; /* Resource errors */
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u_short ie_err_overrun; /* Overrun errors */
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};
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/* Command values */
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#define IE_RU_COMMAND SWAP(0x0070) /* mask for RU command */
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#define IE_RU_NOP SWAP(0) /* for completeness */
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#define IE_RU_START SWAP(0x0010) /* start receive unit command */
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#define IE_RU_ENABLE SWAP(0x0020) /* enable receiver command */
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#define IE_RU_DISABLE SWAP(0x0030) /* disable receiver command */
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#define IE_RU_ABORT SWAP(0x0040) /* abort current receive operation */
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#define IE_CU_COMMAND SWAP(0x0700) /* mask for CU command */
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#define IE_CU_NOP SWAP(0) /* included for completeness */
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#define IE_CU_START SWAP(0x0100) /* do-command command */
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#define IE_CU_RESUME SWAP(0x0200) /* resume a suspended cmd list */
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#define IE_CU_STOP SWAP(0x0300) /* SUSPEND was already taken */
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#define IE_CU_ABORT SWAP(0x0400) /* abort current command */
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#define IE_ACK_COMMAND SWAP(0xf000) /* mask for ACK command */
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#define IE_ACK_CX SWAP(0x8000) /* ack IE_ST_DONE */
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#define IE_ACK_FR SWAP(0x4000) /* ack IE_ST_RECV */
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#define IE_ACK_CNA SWAP(0x2000) /* ack IE_ST_ALLDONE */
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#define IE_ACK_RNR SWAP(0x1000) /* ack IE_ST_RNR */
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#define IE_ACTION_COMMAND(x) (((x) & IE_CU_COMMAND) == IE_CU_START)
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/* is this command an action command? */
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/* Status values */
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#define IE_ST_WHENCE SWAP(0xf000) /* mask for cause of interrupt */
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#define IE_ST_DONE SWAP(0x8000) /* command with I bit completed */
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#define IE_ST_RECV SWAP(0x4000) /* frame received */
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#define IE_ST_ALLDONE SWAP(0x2000) /* all commands completed */
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#define IE_ST_RNR SWAP(0x1000) /* receive not ready */
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#define IE_CU_STATUS SWAP(0x700) /* mask for command unit status */
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#define IE_CU_ACTIVE SWAP(0x200) /* command unit is active */
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#define IE_CU_SUSPEND SWAP(0x100) /* command unit is suspended */
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#define IE_RU_STATUS SWAP(0x70) /* mask for receiver unit status */
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#define IE_RU_SUSPEND SWAP(0x10) /* receiver is suspended */
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#define IE_RU_NOSPACE SWAP(0x20) /* receiver has no resources */
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#define IE_RU_READY SWAP(0x40) /* reveiver is ready */
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/*
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* This is filled in partially by the chip, partially by us.
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*/
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struct ie_recv_frame_desc {
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u_short ie_fd_status; /* status for this frame */
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u_short ie_fd_last; /* end of frame list flag */
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u_short ie_fd_next; /* 16-pointer to next RFD */
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u_short ie_fd_buf_desc; /* 16-pointer to list of buffer desc's */
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struct ie_en_addr dest; /* destination ether */
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struct ie_en_addr src; /* source ether */
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u_short ie_length; /* 802 length/Ether type */
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u_short mbz; /* must be zero */
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};
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#define IE_FD_LAST SWAP(0x8000) /* last rfd in list */
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#define IE_FD_SUSP SWAP(0x4000) /* suspend RU after receipt */
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#define IE_FD_COMPLETE SWAP(0x8000) /* frame is complete */
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#define IE_FD_BUSY SWAP(0x4000) /* frame is busy */
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#define IE_FD_OK SWAP(0x2000) /* frame is bad */
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#define IE_FD_RNR SWAP(0x0200) /* receiver out of resources here */
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/*
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* linked list of buffers...
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*/
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struct ie_recv_buf_desc {
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u_short ie_rbd_actual; /* status for this buffer */
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u_short ie_rbd_next; /* 16-pointer to next RBD */
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u_int ie_rbd_buffer; /* 24-pointer to buffer for this RBD */
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u_short ie_rbd_length; /* length of the buffer */
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u_short mbz; /* must be zero */
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};
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#define IE_RBD_LAST SWAP(0x8000) /* last buffer */
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#define IE_RBD_USED SWAP(0x4000) /* this buffer has data */
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/*
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* All commands share this in common.
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*/
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struct ie_cmd_common {
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u_short ie_cmd_status; /* status of this command */
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u_short ie_cmd_cmd; /* command word */
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u_short ie_cmd_link; /* link to next command */
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};
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#define IE_STAT_COMPL SWAP(0x8000) /* command is completed */
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#define IE_STAT_BUSY SWAP(0x4000) /* command is running now */
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#define IE_STAT_OK SWAP(0x2000) /* command completed successfully */
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#define IE_STAT_ABORT SWAP(0x1000) /* command was aborted */
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#define IE_CMD_NOP SWAP(0x0000) /* NOP */
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#define IE_CMD_IASETUP SWAP(0x0001) /* initial address setup */
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#define IE_CMD_CONFIG SWAP(0x0002) /* configure command */
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#define IE_CMD_MCAST SWAP(0x0003) /* multicast setup command */
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#define IE_CMD_XMIT SWAP(0x0004) /* transmit command */
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#define IE_CMD_TDR SWAP(0x0005) /* time-domain reflectometer command */
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#define IE_CMD_DUMP SWAP(0x0006) /* dump command */
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#define IE_CMD_DIAGNOSE SWAP(0x0007) /* diagnostics command */
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#define IE_CMD_LAST SWAP(0x8000) /* this is the last command in the list */
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#define IE_CMD_SUSPEND SWAP(0x4000) /* suspend CU after this command */
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#define IE_CMD_INTR SWAP(0x2000) /* post an interrupt after completion */
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/*
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* This is the command to transmit a frame.
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*/
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struct ie_xmit_cmd {
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struct ie_cmd_common com; /* common part */
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#define ie_xmit_status com.ie_cmd_status
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u_short ie_xmit_desc; /* 16-pointer to buffer descriptor */
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struct ie_en_addr ie_xmit_addr; /* destination address */
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u_short ie_xmit_length; /* 802.3 length/Ether type field */
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};
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#define IE_XS_MAXCOLL SWAP(0x000f) /* number of collisions during transmit */
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#define IE_XS_EXCMAX SWAP(0x0020) /* exceeded maximum number of collisions */
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#define IE_XS_SQE SWAP(0x0040) /* SQE positive */
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#define IE_XS_DEFERRED SWAP(0x0080) /* transmission deferred */
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#define IE_XS_UNDERRUN SWAP(0x0100) /* DMA underrun */
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#define IE_XS_LOSTCTS SWAP(0x0200) /* Lost CTS */
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#define IE_XS_NOCARRIER SWAP(0x0400) /* No Carrier */
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#define IE_XS_LATECOLL SWAP(0x0800) /* Late collision */
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/*
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* This is a buffer descriptor for a frame to be transmitted.
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*/
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struct ie_xmit_buf {
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u_short ie_xmit_flags; /* see below */
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u_short ie_xmit_next; /* 16-pointer to next desc. */
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u_int ie_xmit_buf; /* 24-pointer to the actual buffer */
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};
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#define IE_XMIT_LAST SWAP(0x8000) /* this TBD is the last one */
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/* The rest of the `flags' word is actually the length. */
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/*
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* Multicast setup command.
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* The command must fit in a transmit buffer (1536).
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* Also, would like size of ie_mcast_addrs to be even.
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*/
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#define MAXMCAST 247
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struct ie_mcast_cmd {
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struct ie_cmd_common com; /* common part */
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#define ie_mcast_status com.ie_cmd_status
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u_short ie_mcast_bytes; /* size (in bytes) of multicast addresses */
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struct ie_en_addr ie_mcast_addrs[MAXMCAST + 1]; /* space for them */
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};
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/*
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* Time Domain Reflectometer command.
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*/
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struct ie_tdr_cmd {
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struct ie_cmd_common com; /* common part */
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#define ie_tdr_status com.ie_cmd_status
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u_short ie_tdr_time; /* error bits and time */
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};
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#define IE_TDR_SUCCESS SWAP(0x8000) /* TDR succeeded without error */
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#define IE_TDR_XCVR SWAP(0x4000) /* detected a transceiver problem */
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#define IE_TDR_OPEN SWAP(0x2000) /* detected an open */
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#define IE_TDR_SHORT SWAP(0x1000) /* TDR detected a short */
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#define IE_TDR_TIME SWAP(0x07ff) /* mask for reflection time */
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/*
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* Initial Address Setup command
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*/
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struct ie_iasetup_cmd {
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struct ie_cmd_common com;
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#define ie_iasetup_status com.ie_cmd_status
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struct ie_en_addr ie_address;
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};
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/*
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* Configuration command
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*/
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struct ie_config_cmd {
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struct ie_cmd_common com; /* common part */
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#define ie_config_status com.ie_cmd_status
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u_char ie_config_count; /* byte count (0x0c) */
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u_char ie_fifo; /* fifo (8) */
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u_char ie_save_bad; /* save bad frames (0x40) */
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u_char ie_addr_len; /* address length (0x2e) (AL-LOC == 1) */
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u_char ie_priority; /* priority and backoff (0x0) */
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u_char ie_ifs; /* inter-frame spacing (0x60) */
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u_char ie_slot_low; /* slot time, LSB (0x0) */
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u_char ie_slot_high; /* slot time, MSN, and retries (0xf2) */
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u_char ie_promisc; /* 1 if promiscuous, else 0 */
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u_char ie_crs_cdt; /* CSMA/CD parameters (0x0) */
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u_char ie_min_len; /* min frame length (0x40) */
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u_char ie_junk; /* stuff for 82596 (0xff) */
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};
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