/* * Copyright (c) 1982, 1986 Regents of the University of California. * 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 * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * 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 REGENTS 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. * * @(#)if_ecreg.h 7.4 (Berkeley) 6/28/90 */ /* * 3Com Ethernet controller registers. */ struct ecdevice { short ec_rcr; /* Receive Control Register */ short ec_xcr; /* Transmit Control Register */ }; /* * Control and status bits -- rcr */ #define EC_SPIE 0x8000 /* set parity interrupt enable */ #define EC_ASTEP 0x4000 /* increment address counter */ #define EC_AROM 0x2000 /* 1: Use address ROM, 0: use RAM */ #define EC_PE 0x2000 /* Parity error */ #define EC_AWCLK 0x1000 /* address write clock bit */ #define EC_PIE 0x1000 /* Parity interrupt enable (read) */ #define EC_ADATA 0x0f00 /* address/filtering */ #define EC_RDONE 0x0080 /* receive done */ #define EC_MDISAB 0x0080 /* memory disable */ #define EC_RINTEN 0x0040 /* receive interrupt enable */ #define EC_RCLR 0x0020 /* clear RDONE bit */ #define EC_RWBN 0x0010 /* submit buffer for receive */ #define EC_RBN 0x000f /* buffer number */ #define EC_RBITS "\10\16PE\15PIE\10RDONE\7RINTEN" /* * Control and status bits -- xcr */ #define EC_JAM 0x8000 /* collision dectected */ #define EC_JINTEN 0x4000 /* collision interrupt enable */ #define EC_JCLR 0x2000 /* clear collision detect */ #define EC_UECLR 0x0100 /* reset controller */ #define EC_XDONE 0x0080 /* transmit done */ #define EC_XINTEN 0x0040 /* transmit interrupt enable */ #define EC_XCLR 0x0020 /* clear XDONE bit */ #define EC_XWBN 0x0010 /* submit buffer for transmit */ #define EC_XBN 0x000f /* buffer number */ #define EC_XBITS "\10\20JAM\17JINTEN\10XDONE\7XINTEN" /* * Useful combinations */ #define EC_READ (0x600|EC_RINTEN|EC_RWBN) #define EC_MULTI (0x700|EC_RINTEN|EC_RWBN) #define EC_PROMISC (0x000|EC_RINTEN|EC_RWBN) #define EC_WRITE (EC_JINTEN|EC_XINTEN|EC_XWBN) #define EC_CLEAR (EC_JINTEN|EC_XINTEN|EC_JCLR) /* * Buffer number definitions */ #define ECTBF 0 /* Buffer for transmit */ #define ECRLBF 1 /* First buffer for receive */ #define ECRHBF 15 /* Last buffer for receive */ #define ECRDOFF 528 /* Packet offset in read buffer */