Intel 82452 (Pro/1000) driver from mjacob@feral.com

1 files changed, 407 insertions, 0 deletions

diff --git a/sys/dev/pci/if_wxvar.h b/sys/dev/pci/if_wxvar.h
new file mode 100644
index 00000000000..ece97e9eb73
--- /dev/null
+++ b/sys/dev/pci/if_wxvar.h
@@ -0,0 +1,407 @@
+/*	$OpenBSD: if_wxvar.h,v 1.1 2000/02/11 14:51:50 jason Exp $	*/
+
+/*                  
+ * Copyright (c) 1999, Traakan Software
+ * 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 unmodified, 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD: src/sys/pci/if_wxvar.h,v 1.4 2000/01/23 03:18:14 mjacob Exp $
+ */
+
+/*
+ * Softc definitions for the Intel Gigabit Ethernet driver.
+ *
+ * Guidance and inspiration from David Greenman's
+ * if_fxp driver gratefully acknowledged here.
+ */
+
+/*
+ * Platform specific defines and inline functions go here.
+ * Look further below for more generic structures.
+ */
+
+#if defined(__NetBSD__)
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+#include <sys/device.h>
+#include <net/if.h>
+#if defined(SIOCSIFMEDIA)
+#include <net/if_media.h>
+#endif
+#include <net/if_types.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <net/netisr.h>
+
+#include "bpfilter.h"
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#endif
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/vm_kern.h>
+#include <net/if_ether.h>
+#if defined(INET)
+#include <netinet/if_inarp.h>
+#endif
+#include <machine/bus.h>
+#include <machine/intr.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/if_wxreg.h>
+
+struct wxmdvar {
+	struct device 		dev;		/* generic device structures */
+	void *			ih;		/* interrupt handler cookie */
+	struct ethercom		ethercom;	/* ethernet common part */
+	pci_chipset_tag_t	pci_pc;
+	pcitag_t		pci_tag;
+	u_int8_t		enaddr[6];	/* our mac address */
+	u_int32_t		cmdw;
+	bus_space_tag_t		st;		/* bus space tag */
+	bus_space_handle_t	sh;		/* bus space handle */
+	struct ifmedia 		ifm;
+	struct wx_softc *	next;
+};
+#define	wx_dev		w.dev
+#define	wx_enaddr	w.enaddr
+#define	wx_cmdw		w.cmdw
+#define	wx_media	w.ifm
+#define	wx_next		w.next
+
+#define	wx_if		w.ethercom.ec_if
+#define	wx_name		w.dev.dv_xname
+
+#define	IOCTL_CMD_TYPE			u_long
+#define	WXMALLOC(len)			malloc(len, M_DEVBUF, M_NOWAIT)
+#define	WXFREE(ptr)			free(ptr, M_DEVBUF)
+#define	SOFTC_IFP(ifp)			ifp->if_softc
+#define	WX_BPFTAP_ARG(ifp)		(ifp)->if_bpf
+#define	TIMEOUT(sc, func, arg, time)	timeout(func, arg, time)
+#define	VTIMEOUT(sc, func, arg, time)	timeout(func, arg, time)
+#define	UNTIMEOUT(f, arg, sc)		untimeout(f, arg)
+#define	INLINE				inline
+
+#define	vm_offset_t		vaddr_t
+#ifndef	IFM_1000_SX
+#define	IFM_1000_SX		IFM_1000_FX
+#endif
+#define	READ_CSR	_read_csr
+#define	WRITE_CSR	_write_csr
+
+#elif	defined(__FreeBSD__)
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+#include <net/bpf.h>
+#include <sys/sockio.h>
+#include <sys/bus.h>
+#include <machine/bus.h>
+#include <sys/rman.h>
+#include <machine/resource.h>
+#include <net/ethernet.h>
+#include <net/if_arp.h>
+#include <vm/vm.h>
+#include <vm/pmap.h>
+#include <machine/clock.h>
+#include <pci/pcivar.h>
+#include <pci/pcireg.h>
+#include <pci/if_wxreg.h>
+
+#include "opt_bdg.h"
+#ifdef BRIDGE
+#include <net/if_types.h>
+#include <net/bridge.h>
+#endif
+
+struct wxmdvar {
+	struct device *		dev;	/* backpointer to device */
+	struct arpcom 		arpcom;	/* per-interface network data */
+	struct resource *	mem;	/* resource descriptor for registers */
+	struct resource *	irq;	/* resource descriptor for interrupt */
+	void *			ih;	/* interrupt handler cookie */
+	u_int16_t		cmdw;
+	struct callout_handle	sch;	/* handle for timeouts */
+	char 			name[8];
+	bus_space_tag_t		st;	/* bus space tag */
+	bus_space_handle_t	sh;	/* bus space handle */
+	struct ifmedia 		ifm;
+	struct wx_softc *	next;
+};
+#define	wx_dev		w.dev
+#define	wx_enaddr	w.arpcom.ac_enaddr
+#define	wx_cmdw		w.cmdw
+#define	wx_media	w.ifm
+#define	wx_next		w.next
+
+#define	wx_if		w.arpcom.ac_if
+#define	wx_name		w.name
+
+#define	IOCTL_CMD_TYPE			u_long
+#define	WXMALLOC(len)			malloc(len, M_DEVBUF, M_NOWAIT)
+#define	WXFREE(ptr)			free(ptr, M_DEVBUF)
+#define	SOFTC_IFP(ifp)			ifp->if_softc
+#define	WX_BPFTAP_ARG(ifp)		ifp
+#define	VTIMEOUT(sc, func, arg, time)	(void) timeout(func, arg, time)
+#define	TIMEOUT(sc, func, arg, time)	(sc)->w.sch = timeout(func, arg, time)
+#define	UNTIMEOUT(f, arg, sc)		untimeout(f, arg, (sc)->w.sch)
+#define	INLINE				__inline
+
+#define	READ_CSR(sc, reg)						\
+	bus_space_read_4((sc)->w.st, (sc)->w.sh, (reg))
+#define	WRITE_CSR(sc, reg, val)						\
+	bus_space_write_4((sc)->w.st, (sc)->w.sh, (reg), (val))
+
+#elif defined(__OpenBSD__)
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/if_media.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#include "bpfilter.h"
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/vm_kern.h>
+#include <machine/bus.h>
+#include <machine/intr.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcidevs.h>
+#include <dev/pci/if_wxreg.h>
+
+struct wxmdvar {
+	struct device 		dev;		/* generic device structures */
+	void *			ih;		/* interrupt handler cookie */
+	struct arpcom		arpcom;		/* ethernet common part */
+	pci_chipset_tag_t	pci_pc;
+	pcitag_t		pci_tag;
+	u_int32_t		cmdw;
+	bus_space_tag_t		st;		/* bus space tag */
+	bus_space_handle_t	sh;		/* bus space handle */
+	struct ifmedia 		ifm;
+	struct wx_softc *	next;
+};
+#define	wx_dev		w.dev
+#define	wx_enaddr	w.arpcom.ac_enaddr
+#define	wx_cmdw		w.cmdw
+#define	wx_media	w.ifm
+#define	wx_next		w.next
+
+#define	wx_if		w.arpcom.ac_if
+#define	wx_name		w.dev.dv_xname
+
+#define	IOCTL_CMD_TYPE			u_long
+#define	WXMALLOC(len)			malloc(len, M_DEVBUF, M_NOWAIT)
+#define	WXFREE(ptr)			free(ptr, M_DEVBUF)
+#define	SOFTC_IFP(ifp)			ifp->if_softc
+#define	WX_BPFTAP_ARG(ifp)		(ifp)->if_bpf
+#define	TIMEOUT(sc, func, arg, time)	timeout(func, arg, time)
+#define	VTIMEOUT(sc, func, arg, time)	timeout(func, arg, time)
+#define	UNTIMEOUT(f, arg, sc)		untimeout(f, arg)
+#define	INLINE				inline
+
+#define	vm_offset_t		vaddr_t
+#define	READ_CSR	_read_csr
+#define	WRITE_CSR	_write_csr
+
+#endif
+
+
+/*
+ * Transmit soft descriptor, used to manage packets as they come in.
+ */
+typedef struct rxpkt {
+	struct mbuf *dptr;	/* pointer to receive frame */
+	u_int32_t dma_addr;	/* dma address */
+} rxpkt_t;
+
+	
+/*
+ * Transmit soft descriptor, used to manage packets as they are transmitted.
+ */
+typedef struct txpkt {
+	struct txpkt *next;	/* next in a chain */
+	struct mbuf *dptr;	/* pointer to mbuf being sent */
+	u_int32_t sidx;		/* start index */
+	u_int32_t eidx;		/* end index */
+} txpkt_t;
+
+
+typedef struct wx_softc {
+	/*
+	 * OS dependent storage... must be first...
+	 */
+	struct wxmdvar w;
+
+	/*
+	 * misc goodies
+	 */
+	u_int32_t		:	18,
+		wx_no_flow 	:	1,
+		wx_ilos		:	1,
+		wx_no_ilos	:	1,
+		wx_debug	:	1,
+		linkup		:	1,
+		all_mcasts	:	1,
+		revision	:	8;	/* chip revision */
+
+	u_int16_t wx_cfg1;
+	u_int16_t wx_txint_delay;
+	u_int32_t wx_ienable;		/* current ienable to use */
+	u_int32_t wx_dcr;		/* dcr used */
+	u_int32_t wx_icr;		/* last icr */
+
+	/*
+	 * Statistics, soft && hard
+	 */
+	u_int32_t	wx_intr;
+	u_int32_t	wx_linkintr;
+	u_int32_t	wx_rxintr;
+	u_int32_t	wx_xmitgc;
+	u_int32_t	wx_xmitpullup;
+	u_int32_t	wx_xmitcluster;
+	u_int32_t	wx_xmitputback;
+	u_int32_t	wx_xmitwanted;
+	u_int32_t	wx_xmitblocked;
+	u_int32_t	wx_xmitblocked1;
+	u_int32_t	wx_xmitrunt;
+	u_int32_t	wx_rxnobuf;
+
+	/*
+	 * Soft copies of multicast addresses. We're only
+	 * using (right now) the rest of the receive address
+	 * registers- not the hashed multicast table.
+	 */
+	u_int8_t	wx_mcaddr[WX_RAL_TAB_SIZE-1][6];
+	u_int8_t	wx_nmca;		/* # active multicast addrs */
+
+
+	/*
+ 	 * Receive Management
+	 * We have software and shared memory rings in a buddy store format.
+	 */
+	wxrd_t	*rdescriptors;		/* receive descriptor ring */
+	rxpkt_t *rbase;			/* base of soft rdesc list */
+	u_int16_t rnxt;			/* next descriptor to check */
+	u_int16_t _pad;
+	struct mbuf *rpending;		/* pending partial packet */
+
+	/*
+ 	 * Transmit Management
+	 * We have software and shared memory rings in a buddy store format.
+	 */
+	txpkt_t *tbase;			/* base of soft soft management */
+	txpkt_t *tbsyf, *tbsyl;		/* linked busy list */
+	wxtd_t	*tdescriptors;		/* transmit descriptor ring */
+	u_int16_t tnxtfree;		/* next free index (circular) */
+	u_int16_t tactive;		/* # active */
+} wx_softc_t;
+
+/*
+ * We offset the the receive frame header by two bytes so that the actual
+ * payload is 32 bit aligned. On platforms that require strict structure
+ * alignment, this means that the ethernet frame header may have to be shifted
+ * to align it at interrupt time, but because it's such a small amount
+ * (fourteen bytes) and processors have gotten pretty fast, that's okay.
+ * It may even turn out on some platforms that this doesn't have to happen.
+ */
+#define	WX_RX_OFFSET_VALUE	2
+
+/*
+ * Tunable Parameters.
+ *
+ * Descriptor lengths must be in multiples of 8.
+ */
+#define	WX_MAX_TDESC	256	/* number of transmit descriptors */
+#define	T_NXT_IDX(x)	((x + 1) & (WX_MAX_TDESC - 1))
+#define	T_PREV_IDX(x)	((x - 1) & (WX_MAX_TDESC - 1))
+#define	WX_MAX_RDESC	64	/* number of receive descriptors */
+#ifdef	PADDED_CELL
+#define	RXINCR		2
+#else
+#define	RXINCR		1
+#endif
+#define	R_NXT_IDX(x)	((x + RXINCR) & (WX_MAX_RDESC - 1))
+#define	R_PREV_IDX(x)	((x - RXINCR) & (WX_MAX_RDESC - 1))