1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1993 Herb Peyerl ([email protected]) All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 2. The name 10 * of the author may not be used to endorse or promote products derived from 11 * this software without specific prior written permission 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 16 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 17 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 18 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 19 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 20 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 21 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * $FreeBSD$ 25 * 26 October 2, 1994 27 28 Modified by: Andres Vega Garcia 29 30 INRIA - Sophia Antipolis, France 31 e-mail: [email protected] 32 finger: [email protected] 33 34 */ 35 36 /* 37 * Ethernet software status per interface. 38 */ 39 struct vx_softc { 40 struct ifnet *vx_ifp; 41 bus_space_tag_t vx_bst; 42 bus_space_handle_t vx_bsh; 43 void *vx_intrhand; 44 struct resource *vx_irq; 45 struct resource *vx_res; 46 #define MAX_MBS 8 /* # of mbufs we keep around */ 47 struct mbuf *vx_mb[MAX_MBS]; /* spare mbuf storage. */ 48 int vx_next_mb; /* Which mbuf to use next. */ 49 int vx_last_mb; /* Last mbuf. */ 50 char vx_connectors; /* Connectors on this card. */ 51 char vx_connector; /* Connector to use. */ 52 short vx_tx_start_thresh; /* Current TX_start_thresh. */ 53 int vx_tx_succ_ok; /* # packets sent in sequence */ 54 /* w/o underrun */ 55 struct callout vx_callout; /* Callout for timeouts */ 56 struct callout vx_watchdog; 57 struct mtx vx_mtx; 58 int vx_buffill_pending; 59 int vx_timer; 60 }; 61 62 #define CSR_WRITE_4(sc, reg, val) \ 63 bus_space_write_4(sc->vx_bst, sc->vx_bsh, reg, val) 64 #define CSR_WRITE_2(sc, reg, val) \ 65 bus_space_write_2(sc->vx_bst, sc->vx_bsh, reg, val) 66 #define CSR_WRITE_1(sc, reg, val) \ 67 bus_space_write_1(sc->vx_bst, sc->vx_bsh, reg, val) 68 69 #define CSR_READ_4(sc, reg) \ 70 bus_space_read_4(sc->vx_bst, sc->vx_bsh, reg) 71 #define CSR_READ_2(sc, reg) \ 72 bus_space_read_2(sc->vx_bst, sc->vx_bsh, reg) 73 #define CSR_READ_1(sc, reg) \ 74 bus_space_read_1(sc->vx_bst, sc->vx_bsh, reg) 75 76 #define VX_LOCK(sc) mtx_lock(&(sc)->vx_mtx) 77 #define VX_UNLOCK(sc) mtx_unlock(&(sc)->vx_mtx) 78 #define VX_LOCK_ASSERT(sc) mtx_assert(&(sc)->vx_mtx, MA_OWNED) 79 80 int vx_attach(device_t); 81 void vx_stop(struct vx_softc *); 82 void vx_intr(void *); 83 int vx_busy_eeprom(struct vx_softc *); 84