1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1993 Herb Peyerl (hpeyerl@novatel.ca) 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 27struct ep_board { 28 u_short prod_id; /* product ID */ 29 int cmd_off; /* command offset (bit shift) */ 30 int mii_trans; /* activate MII transiever */ 31 u_short res_cfg; /* resource configuration */ 32}; 33 34/* 35 * Ethernet software status per interface. 36 */ 37struct ep_softc { 38 struct ifnet *ifp; 39 struct ifmedia ifmedia; /* media info */ 40 device_t dev; 41 42 struct mtx sc_mtx; 43 struct resource *iobase; 44 struct resource *irq; 45 46 bus_space_handle_t bsh; 47 bus_space_tag_t bst; 48 void *ep_intrhand; 49 50 struct callout watchdog_timer; 51 int tx_timer; 52 53 u_short ep_connectors; /* Connectors on this card. */ 54 u_char ep_connector; /* Configured connector. */ 55 56 struct mbuf *top; 57 struct mbuf *mcur; 58 short cur_len; 59 60 int stat; /* some flags */ 61#define F_RX_FIRST 0x001 62#define F_ENADDR_SKIP 0x002 63#define F_PROMISC 0x008 64#define F_HAS_TX_PLL 0x200 65 66 int gone; /* adapter is not present (for PCCARD) */ 67 struct ep_board epb; 68 uint8_t eaddr[6]; 69 70#ifdef EP_LOCAL_STATS 71 short tx_underrun; 72 short rx_no_first; 73 short rx_no_mbuf; 74 short rx_overrunf; 75 short rx_overrunl; 76#endif 77}; 78 79int ep_alloc(device_t); 80void ep_free(device_t); 81int ep_detach(device_t); 82void ep_get_media(struct ep_softc *); 83int ep_attach(struct ep_softc *); 84void ep_intr(void *); 85int ep_get_e(struct ep_softc *, uint16_t, uint16_t *); 86 87#define CSR_READ_1(sc, off) (bus_space_read_1((sc)->bst, (sc)->bsh, off)) 88#define CSR_READ_2(sc, off) (bus_space_read_2((sc)->bst, (sc)->bsh, off)) 89#define CSR_WRITE_1(sc, off, val) \ 90 bus_space_write_1(sc->bst, sc->bsh, off, val) 91#define CSR_WRITE_2(sc, off, val) \ 92 bus_space_write_2(sc->bst, sc->bsh, off, val) 93#define CSR_WRITE_MULTI_1(sc, off, addr, count) \ 94 bus_space_write_multi_1(sc->bst, sc->bsh, off, addr, count) 95#define CSR_WRITE_MULTI_2(sc, off, addr, count) \ 96 bus_space_write_multi_2(sc->bst, sc->bsh, off, addr, count) 97#define CSR_WRITE_MULTI_4(sc, off, addr, count) \ 98 bus_space_write_multi_4(sc->bst, sc->bsh, off, addr, count) 99#define CSR_READ_MULTI_1(sc, off, addr, count) \ 100 bus_space_read_multi_1(sc->bst, sc->bsh, off, addr, count) 101#define CSR_READ_MULTI_2(sc, off, addr, count) \ 102 bus_space_read_multi_2(sc->bst, sc->bsh, off, addr, count) 103#define CSR_READ_MULTI_4(sc, off, addr, count) \ 104 bus_space_read_multi_4(sc->bst, sc->bsh, off, addr, count) 105 106#define EP_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 107#define EP_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 108#define EP_LOCK_INIT(_sc) \ 109 mtx_init(&_sc->sc_mtx, device_get_nameunit(_sc->dev), \ 110 MTX_NETWORK_LOCK, MTX_DEF) 111#define EP_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx); 112#define EP_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED); 113#define EP_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED); 114