NetBSD/sys/dev/i2o/ioplvar.h

140 lines
4.8 KiB
C

/* $NetBSD: ioplvar.h,v 1.3 2002/05/04 16:43:26 ad Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
*/
#ifndef _I2O_IOPLVAR_H_
#define _I2O_IOPLVAR_H_
#define IOPL_TICK_HZ 3
#define IOPL_DESCRIPTORS 128
#define IOPL_MAX_SEGS 16
#define IOPL_MAX_BATCH 4
#define IOPL_MAX_MULTI 256
#define IOPL_BATCHING_ENABLED 1
struct iopl_media {
u_int ilm_i2o;
u_int ilm_ifmedia;
};
struct iopl_tx {
SLIST_ENTRY(iopl_tx) tx_chain;
struct mbuf *tx_mbuf;
bus_dmamap_t tx_dmamap;
int tx_ident;
};
struct iopl_rx {
SLIST_ENTRY(iopl_rx) rx_chain;
struct mbuf *rx_mbuf;
bus_dmamap_t rx_dmamap;
int rx_ident;
};
struct iopl_softc {
struct device sc_dv; /* Generic device info */
int sc_tid; /* Device TID */
int sc_flags; /* Control flags */
bus_dma_tag_t sc_dmat; /* DMA tag */
struct iop_initiator sc_ii_evt; /* Event initiator */
struct iop_initiator sc_ii_pg; /* PG retrieval initiator */
struct iop_initiator sc_ii_rx; /* Receive initiator */
struct iop_initiator sc_ii_tx; /* Transmit initiator */
struct iop_initiator sc_ii_null; /* Bit-bucket */
struct callout sc_pg_callout; /* PG retrieval callout */
int sc_ms_pg; /* Medium-specific PG # */
int sc_next_pg; /* Next PG to retrieve */
int sc_mtype; /* Medium type */
int sc_curmbps; /* Current link speed */
int sc_conntype; /* Connection type */
struct iopl_tx *sc_tx; /* Transmit descriptors */
SLIST_HEAD(,iopl_tx) sc_tx_free; /* Free TX descriptor list */
u_int sc_tx_freecnt; /* # of free TX descriptors */
u_int sc_tx_maxout; /* Max outstanding xmits */
u_int sc_tx_maxsegs; /* Max segments per xmit */
u_int sc_tx_maxreq; /* Max xmits per message */
u_int sc_tx_ohead; /* S/G list overhead */
u_int sc_tx_tcw; /* Transmit control word */
struct iopl_rx *sc_rx; /* Receive descriptors */
SLIST_HEAD(,iopl_rx) sc_rx_free; /* Free RX descriptor list */
u_int sc_rx_freecnt; /* # of free RX descriptors */
u_int sc_rx_maxbkt; /* Max receive buckets */
u_int sc_rx_prepad; /* Pre-padding for alignment */
u_int sc_rx_csumflgs; /* Checksum flags */
u_int sc_mcast_max; /* Maximum multicast addrs */
u_int sc_mcast_cnt; /* Active multicast addrs */
/* Pull dst address from a packet and insert into buffer context. */
void (*sc_munge)(struct mbuf *, u_int8_t *);
/*
* Interface info
*/
union {
struct ifnet sci_if;
struct ethercom sci_ec;
} sc_if;
struct ifmedia sc_ifmedia; /* ifmedia linkage */
/*
* Parameter group buffers. We retrieve only one parameter group at
* a time.
*/
struct {
struct i2o_param_op_results pr;
struct i2o_param_read_results prr;
union {
struct i2o_param_lan_stats ls;
struct i2o_param_lan_802_3_stats les;
struct i2o_param_lan_fddi_stats lfs;
struct i2o_param_lan_media_operation lmo;
} p;
} __attribute__ ((__packed__)) sc_pb;
};
#define IOPL_MEDIA_CHANGE 0x01
#define IOPL_LINK 0x02
#define IOPL_FDX 0x04
#define IOPL_INITTED 0x08
#endif /* !_I2O_IOPLVAR_H_ */