1 /*- 2 * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 1. Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 2. The name 8 * of the author may not be used to endorse or promote products derived from 9 * this software without specific prior written permission 10 * 11 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 12 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 14 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 15 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 16 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 17 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 18 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 19 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 20 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 21 * 22 * $FreeBSD$ 23 * 24 October 2, 1994 25 26 Modified by: Andres Vega Garcia 27 28 INRIA - Sophia Antipolis, France 29 e-mail: avega@sophia.inria.fr 30 finger: avega@pax.inria.fr 31 32 */ 33 34 /* 35 * Ethernet software status per interface. 36 */ 37 struct vx_softc { 38 struct ifnet *vx_ifp; 39 bus_space_tag_t vx_bst; 40 bus_space_handle_t vx_bsh; 41 void *vx_intrhand; 42 struct resource *vx_irq; 43 struct resource *vx_res; 44 #define MAX_MBS 8 /* # of mbufs we keep around */ 45 struct mbuf *vx_mb[MAX_MBS]; /* spare mbuf storage. */ 46 int vx_next_mb; /* Which mbuf to use next. */ 47 int vx_last_mb; /* Last mbuf. */ 48 char vx_connectors; /* Connectors on this card. */ 49 char vx_connector; /* Connector to use. */ 50 short vx_tx_start_thresh; /* Current TX_start_thresh. */ 51 int vx_tx_succ_ok; /* # packets sent in sequence */ 52 /* w/o underrun */ 53 struct callout vx_callout; /* Callout for timeouts */ 54 struct callout vx_watchdog; 55 struct mtx vx_mtx; 56 int vx_buffill_pending; 57 int vx_timer; 58 }; 59 60 #define CSR_WRITE_4(sc, reg, val) \ 61 bus_space_write_4(sc->vx_bst, sc->vx_bsh, reg, val) 62 #define CSR_WRITE_2(sc, reg, val) \ 63 bus_space_write_2(sc->vx_bst, sc->vx_bsh, reg, val) 64 #define CSR_WRITE_1(sc, reg, val) \ 65 bus_space_write_1(sc->vx_bst, sc->vx_bsh, reg, val) 66 67 #define CSR_READ_4(sc, reg) \ 68 bus_space_read_4(sc->vx_bst, sc->vx_bsh, reg) 69 #define CSR_READ_2(sc, reg) \ 70 bus_space_read_2(sc->vx_bst, sc->vx_bsh, reg) 71 #define CSR_READ_1(sc, reg) \ 72 bus_space_read_1(sc->vx_bst, sc->vx_bsh, reg) 73 74 #define VX_LOCK(sc) mtx_lock(&(sc)->vx_mtx) 75 #define VX_UNLOCK(sc) mtx_unlock(&(sc)->vx_mtx) 76 #define VX_LOCK_ASSERT(sc) mtx_assert(&(sc)->vx_mtx, MA_OWNED) 77 78 int vx_attach(device_t); 79 void vx_stop(struct vx_softc *); 80 void vx_intr(void *); 81 int vx_busy_eeprom(struct vx_softc *); 82