1 /* $NetBSD: if_cemacvar.h,v 1.7 2024/10/15 00:58:15 lloyd Exp $ */ 2 /*- 3 * Copyright (c) 2015 Genetec Corporation. All rights reserved. 4 * Written by Hashimoto Kenichi for Genetec Corporation. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef _IF_CEMACVAR_H_ 29 #define _IF_CEMACVAR_H_ 30 31 #include <net/if.h> 32 #include <net/if_media.h> 33 #include <net/if_ether.h> 34 #include <net/if_media.h> 35 36 #include <dev/mii/miivar.h> 37 38 #define RX_QLEN 64 39 #define TX_QLEN 2 /* I'm very sorry but that's where we can get */ 40 41 struct cemac_qmeta { 42 struct mbuf *m; 43 bus_dmamap_t m_dmamap; 44 }; 45 46 struct cemac_softc { 47 device_t sc_dev; 48 bus_space_tag_t sc_iot; 49 bus_space_handle_t sc_ioh; 50 bus_dma_tag_t sc_dmat; 51 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 52 struct ethercom sc_ethercom; 53 mii_data_t sc_mii; 54 int sc_phyno; 55 56 void *rbqpage; 57 unsigned rbqlen; 58 bus_addr_t rbqpage_dsaddr; 59 bus_dmamap_t rbqpage_dmamap; 60 void *tbqpage; 61 unsigned tbqlen; 62 bus_addr_t tbqpage_dsaddr; 63 bus_dmamap_t tbqpage_dmamap; 64 65 volatile struct eth_dsc *RDSC; 66 int rxqi; 67 struct cemac_qmeta rxq[RX_QLEN]; 68 volatile struct eth_dsc *TDSC; 69 int txqi, txqc; 70 struct cemac_qmeta txq[TX_QLEN]; 71 callout_t cemac_tick_ch; 72 73 unsigned cemac_flags; 74 #define CEMAC_FLAG_GEM __BIT(0) 75 76 kmutex_t *sc_mcast_lock; /* m: lock for SIOCADD/DELMULTI */ 77 kmutex_t *sc_intr_lock; /* i: lock for interrupt operations */ 78 79 u_short sc_if_flags; /* m: if_flags cache */ 80 time_t sc_tx_lastsent; /* i: time of last tx */ 81 bool sc_txbusy; /* i: no Tx because down or busy */ 82 bool sc_stopping; /* i: ignore intr because down */ 83 bool sc_tx_sending; /* i: expecting tx complete irq */ 84 bool sc_trigger_reset; /* i */ 85 86 struct workqueue *sc_reset_wq; 87 struct work sc_reset_work; /* i */ 88 volatile unsigned sc_reset_pending; 89 }; 90 91 int cemac_intr(void *); 92 93 void cemac_attach_common(struct cemac_softc *); 94 95 96 #endif /* _IF_CEMACVAR_H_ */ 97