/*- * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) 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. The name * of the author may not be used to endorse or promote products derived from * this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. * * $FreeBSD$ * October 2, 1994 Modified by: Andres Vega Garcia INRIA - Sophia Antipolis, France e-mail: avega@sophia.inria.fr finger: avega@pax.inria.fr */ /* * Ethernet software status per interface. */ struct vx_softc { struct ifnet *vx_ifp; bus_space_tag_t vx_bst; bus_space_handle_t vx_bsh; void *vx_intrhand; struct resource *vx_irq; struct resource *vx_res; #define MAX_MBS 8 /* # of mbufs we keep around */ struct mbuf *vx_mb[MAX_MBS]; /* spare mbuf storage. */ int vx_next_mb; /* Which mbuf to use next. */ int vx_last_mb; /* Last mbuf. */ char vx_connectors; /* Connectors on this card. */ char vx_connector; /* Connector to use. */ short vx_tx_start_thresh; /* Current TX_start_thresh. */ int vx_tx_succ_ok; /* # packets sent in sequence */ /* w/o underrun */ struct callout vx_callout; /* Callout for timeouts */ struct callout vx_watchdog; struct mtx vx_mtx; int vx_buffill_pending; int vx_timer; }; #define CSR_WRITE_4(sc, reg, val) \ bus_space_write_4(sc->vx_bst, sc->vx_bsh, reg, val) #define CSR_WRITE_2(sc, reg, val) \ bus_space_write_2(sc->vx_bst, sc->vx_bsh, reg, val) #define CSR_WRITE_1(sc, reg, val) \ bus_space_write_1(sc->vx_bst, sc->vx_bsh, reg, val) #define CSR_READ_4(sc, reg) \ bus_space_read_4(sc->vx_bst, sc->vx_bsh, reg) #define CSR_READ_2(sc, reg) \ bus_space_read_2(sc->vx_bst, sc->vx_bsh, reg) #define CSR_READ_1(sc, reg) \ bus_space_read_1(sc->vx_bst, sc->vx_bsh, reg) #define VX_LOCK(sc) mtx_lock(&(sc)->vx_mtx) #define VX_UNLOCK(sc) mtx_unlock(&(sc)->vx_mtx) #define VX_LOCK_ASSERT(sc) mtx_assert(&(sc)->vx_mtx, MA_OWNED) int vx_attach(device_t); void vx_stop(struct vx_softc *); void vx_intr(void *); int vx_busy_eeprom(struct vx_softc *); |