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Diffstat (limited to 'c/src/libchip/network/i82586var.h')
| -rw-r--r-- | c/src/libchip/network/i82586var.h | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/c/src/libchip/network/i82586var.h b/c/src/libchip/network/i82586var.h deleted file mode 100644 index c9421a6732..0000000000 --- a/c/src/libchip/network/i82586var.h +++ /dev/null @@ -1,319 +0,0 @@ -/* $NetBSD: i82586var.h,v 1.15 2001/01/22 22:28:45 bjh21 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 and Charles M. Hannum. - * - * 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 NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation 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 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, 1993, University of Vermont and State - * Agricultural College. - * Copyright (c) 1992, 1993, Garrett A. Wollman. - * - * Portions: - * Copyright (c) 1994, 1995, Rafal K. Boni - * Copyright (c) 1990, 1991, William F. Jolitz - * Copyright (c) 1990, The 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 Vermont - * and State Agricultural College and Garrett A. Wollman, by William F. - * Jolitz, and by the University of California, Berkeley, Lawrence - * Berkeley Laboratory, and its contributors. - * 4. Neither the names of the Universities nor the names of the authors - * 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 AUTHORS 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 Ethernet chip - * Register, bit, and structure definitions. - * - * Original StarLAN driver written by Garrett Wollman with reference to the - * Clarkson Packet Driver code for this chip written by Russ Nelson and others. - * - * BPF support code taken from hpdev/if_le.c, supplied with tcpdump. - * - * 3C507 support is loosely based on code donated to NetBSD by Rafal Boni. - * - * Majorly cleaned up and 3C507 code merged by Charles Hannum. - * - * Converted to SUN ie driver by Charles D. Cranor, - * October 1994, January 1995. - * This sun version based on i386 version 1.30. - */ - -#ifndef I82586_DEBUG -#define I82586_DEBUG 0 -#endif - -/* Debug elements */ -#define IED_RINT 0x01 -#define IED_TINT 0x02 -#define IED_RNR 0x04 -#define IED_CNA 0x08 -#define IED_READFRAME 0x10 -#define IED_ENQ 0x20 -#define IED_XMIT 0x40 -#define IED_ALL 0x7f - -#define B_PER_F 3 /* recv buffers per frame */ -#define IE_RBUF_SIZE 256 /* size of each receive buffer; - MUST BE POWER OF TWO */ -#define NTXBUF 2 /* number of transmit commands */ -#define IE_TBUF_SIZE ETHER_MAX_LEN /* length of transmit buffer */ - -#define IE_MAXMCAST (IE_TBUF_SIZE/6)/* must fit in transmit buffer */ - - -#define INTR_ENTER 0 /* intr hook called on ISR entry */ -#define INTR_EXIT 1 /* intr hook called on ISR exit */ -#define INTR_LOOP 2 /* intr hook called on ISR loop */ -#define INTR_ACK 3 /* intr hook called on ie_ack */ - -#define CHIP_PROBE 0 /* reset called from chip probe */ -#define CARD_RESET 1 /* reset called from card reset */ - -#if I82586_DEBUG -#define I82586_INTS_REQ 0 -#define I82586_INTS_IN 1 -#define I82586_INTS_LOOPS 2 -#define I82586_INTS_OUT 3 -#define I82586_RX_INT 4 -#define I82586_RX_DROP 5 -#define I82586_RX_ERR 6 -#define I82586_RX_OK 7 -#define I82586_RX_START 8 -#define I82586_START_TX 9 -#define I82586_TX_START 10 -#define I82586_TX_INT 11 -#define I82586_TX_REQ 12 -#define I82586_TX_EVT 13 -#define I82586_TX_EMIT 14 -#define I82586_TX_BAD 15 -#define I82586_TX_ACTIVE 16 -#define I82586_TRACE_CNT 17 - -#define I82586_TRACE_FLOW (10000) -#endif - -/* - * Ethernet status, per interface. - * - * The chip uses two types of pointers: 16 bit and 24 bit - * 24 bit pointers cover the board's memory. - * 16 bit pointers are offsets from the ISCP's `ie_base' - * - * The board's memory is represented by the bus handle `bh'. The MI - * i82586 driver deals exclusively with offsets relative to the - * board memory bus handle. The `ie_softc' fields below that are marked - * `MD' are in the domain of the front-end driver; they opaque to the - * MI driver part. - * - * The front-end is required to manage the SCP and ISCP structures. i.e. - * allocate room for them on the board's memory, and arrange to point the - * chip at the SCB stucture, the offset of which is passed to the MI - * driver in `sc_scb'. - * - * The following functions provide the glue necessary to deal with - * host and bus idiosyncracies: - * - * hwreset - board reset - * hwinit - board initialization - * chan_attn - get chip to look at prepared commands - * intrhook - board dependent interrupt processing - * - * All of the following shared-memory access function use an offset - * relative to the bus handle to indicate the shared memory location. - * The bus_{read/write}N function take or return offset into the - * shared memory in the host's byte-order. - * - * memcopyin - copy device memory: board to KVA - * memcopyout - copy device memory: KVA to board - * bus_read16 - read a 16-bit i82586 pointer - `offset' argument will be 16-bit aligned - * bus_write16 - write a 16-bit i82586 pointer - `offset' argument will be 16-bit aligned - * bus_write24 - write a 24-bit i82586 pointer - `offset' argument will be 32-bit aligned - * bus_barrier - perform a bus barrier operation, forcing - all outstanding reads/writes to complete - * - */ - -struct ie_softc { - struct arpcom arpcom; - - /* - * For RTEMS we run the tx and rx handlers under a task due to the - * network semaphore stuff. - */ - - rtems_id intr_task; - rtems_id tx_task; - - void *sc_iobase; /* (MD) KVA of base of 24 bit addr space */ - void *sc_maddr; /* (MD) KVA of base of chip's RAM - (16bit addr space) */ - u_int sc_msize; /* (MD) how much RAM we have/use */ - - /* Bus glue */ - void (*hwreset) (struct ie_softc *, int); - void (*hwinit) (struct ie_softc *); - void (*chan_attn) (struct ie_softc *, int); - int (*intrhook) (struct ie_softc *, int where); - - void (*memcopyin) (struct ie_softc *, void *, int, size_t); - void (*memcopyout) (struct ie_softc *, const void *, - int, size_t); - u_int16_t (*ie_bus_read16) (struct ie_softc *, int offset); - void (*ie_bus_write16) (struct ie_softc *, int offset, - u_int16_t value); - void (*ie_bus_write24) (struct ie_softc *, int offset, - int addr); - void (*ie_bus_barrier) (struct ie_softc *, int offset, - int length, int flags); - - /* Media management */ - int (*sc_mediachange) (struct ie_softc *); - /* card dependent media change */ - void (*sc_mediastatus) (struct ie_softc *, struct ifmediareq *); - /* card dependent media status */ - - /* - * Offsets (relative to bus handle) of the i82586 SYSTEM structures. - */ - int scp; /* Offset to the SCP (set by front-end) */ - int iscp; /* Offset to the ISCP (set by front-end) */ - int scb; /* Offset to SCB (set by front-end) */ - - /* - * Offset and size of a block of board memory where the buffers - * are to be allocated from (initialized by front-end). - */ - int buf_area; /* Start of descriptors and buffers */ - int buf_area_sz; /* Size of above */ - - /* - * The buffers & descriptors (recv and xmit) - */ - int rframes; /* Offset to `nrxbuf' frame descriptors */ - int rbds; /* Offset to `nrxbuf' buffer descriptors */ - int rbufs; /* Offset to `nrxbuf' receive buffers */ -#define IE_RBUF_ADDR(sc, i) (sc->rbufs + ((i) * IE_RBUF_SIZE)) - int rfhead, rftail; - int rbhead, rbtail; - int nframes; /* number of frames in use */ - int nrxbuf; /* number of recv buffs in use */ - int rnr_expect; /* XXX - expect a RCVR not ready interrupt */ - - int nop_cmds; /* Offset to NTXBUF no-op commands */ - int xmit_cmds; /* Offset to NTXBUF transmit commands */ - int xbds; /* Offset to NTXBUF buffer descriptors */ - int xbufs; /* Offset to NTXBUF transmit buffers */ -#define IE_XBUF_ADDR(sc, i) (sc->xbufs + ((i) * IE_TBUF_SIZE)) - - int xchead, xctail; - int xmit_busy; - int do_xmitnopchain; /* Controls use of xmit NOP chains */ - int xmit_req; - - /* Multicast addresses */ - char *mcast_addrs; /* Current MC filter addresses */ - int mcast_addrs_size; /* Current size of MC buffer */ - int mcast_count; /* Current # of addrs in buffer */ - int want_mcsetup; /* run mcsetup at next opportunity */ - - int promisc; /* are we in promisc mode? */ - int async_cmd_inprogress; /* we didn't wait for 586 to accept - a command */ - -#if I82586_DEBUG -#define I82586_TRACE(s, e, d) \ -do { rtems_interrupt_level level; rtems_interrupt_disable (level); \ - (s)->trace_flow[(s)->trace_flow_in++] = (e); \ - (s)->trace_flow[(s)->trace_flow_in++] = (unsigned int)(d); \ - if ((s)->trace_flow_in >= I82586_TRACE_FLOW) { \ - (s)->trace_flow_in = 0; \ - (s)->trace_flow_wrap = 1; \ - } \ - rtems_interrupt_enable (level); \ - } while (0) - - int sc_debug; - unsigned int trace_flow[I82586_TRACE_FLOW * 2]; - unsigned int trace_flow_wrap; -#endif - unsigned int trace_flow_in; -}; - -/* Exported functions */ -rtems_isr i82586_intr (rtems_vector_number , void *); -int i82586_proberam (struct ie_softc *); -int i82586_attach (struct rtems_bsdnet_ifconfig *config, int attaching); - -/* Shortcut macros to optional (driver uses default if unspecified) callbacks */ -#define xIE_BUS_BARRIER(sc, offset, length, flags) \ -do { \ - if ((sc)->ie_bus_barrier) \ - ((sc)->ie_bus_barrier)((sc), (offset), (length), (flags));\ - else \ - bus_space_barrier((sc)->bt, (sc)->bh, (offset), (length), \ - (flags)); \ -} while (0) - -#define IE_BUS_BARRIER(sc, offset, length, flags) |