1 1.6 joerg /* $NetBSD: nif.c,v 1.6 2014/08/05 17:55:20 joerg Exp $ */ 2 1.1 nisimura 3 1.1 nisimura /*- 4 1.1 nisimura * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.1 nisimura * All rights reserved. 6 1.1 nisimura * 7 1.1 nisimura * This code is derived from software contributed to The NetBSD Foundation 8 1.1 nisimura * by Tohru Nishimura. 9 1.1 nisimura * 10 1.1 nisimura * Redistribution and use in source and binary forms, with or without 11 1.1 nisimura * modification, are permitted provided that the following conditions 12 1.1 nisimura * are met: 13 1.1 nisimura * 1. Redistributions of source code must retain the above copyright 14 1.1 nisimura * notice, this list of conditions and the following disclaimer. 15 1.1 nisimura * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 nisimura * notice, this list of conditions and the following disclaimer in the 17 1.1 nisimura * documentation and/or other materials provided with the distribution. 18 1.1 nisimura * 19 1.1 nisimura * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 nisimura * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 nisimura * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 nisimura * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 nisimura * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 nisimura * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 nisimura * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 nisimura * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 nisimura * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 nisimura * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 nisimura * POSSIBILITY OF SUCH DAMAGE. 30 1.1 nisimura */ 31 1.1 nisimura 32 1.1 nisimura #include <sys/param.h> 33 1.1 nisimura 34 1.1 nisimura #include <netinet/in.h> 35 1.1 nisimura #include <netinet/in_systm.h> 36 1.1 nisimura 37 1.1 nisimura #include <lib/libsa/stand.h> 38 1.1 nisimura #include <lib/libsa/net.h> 39 1.1 nisimura 40 1.1 nisimura #include <machine/bootinfo.h> 41 1.1 nisimura 42 1.1 nisimura #include "globals.h" 43 1.1 nisimura 44 1.1 nisimura struct nifdv { 45 1.1 nisimura char *name; 46 1.1 nisimura int (*match)(unsigned, void *); 47 1.1 nisimura void *(*init)(unsigned, void *); 48 1.1 nisimura int (*send)(void *, char *, unsigned); 49 1.1 nisimura int (*recv)(void *, char *, unsigned, unsigned); 50 1.5 phx void (*shutdown)(void *); 51 1.1 nisimura void *priv; 52 1.1 nisimura }; 53 1.1 nisimura 54 1.1 nisimura static struct iodesc netdesc; 55 1.1 nisimura 56 1.1 nisimura static struct nifdv lnifdv[] = { 57 1.4 phx { "fxp", fxp_match, fxp_init, fxp_send, fxp_recv }, 58 1.4 phx { "tlp", tlp_match, tlp_init, tlp_send, tlp_recv }, 59 1.4 phx { "re", rge_match, rge_init, rge_send, rge_recv }, 60 1.4 phx { "sk", skg_match, skg_init, skg_send, skg_recv }, 61 1.5 phx { "stge", stg_match, stg_init, stg_send, stg_recv, stg_shutdown }, 62 1.1 nisimura }; 63 1.1 nisimura static int nnifdv = sizeof(lnifdv)/sizeof(lnifdv[0]); 64 1.1 nisimura 65 1.1 nisimura int 66 1.2 nisimura netif_init(void *self) 67 1.1 nisimura { 68 1.2 nisimura struct pcidev *pci = self; 69 1.1 nisimura struct iodesc *s; 70 1.1 nisimura struct nifdv *dv; 71 1.2 nisimura unsigned tag; 72 1.1 nisimura int n; 73 1.1 nisimura uint8_t enaddr[6]; 74 1.1 nisimura extern struct btinfo_net bi_net; 75 1.1 nisimura extern struct btinfo_rootdevice bi_rdev; 76 1.1 nisimura 77 1.2 nisimura tag = pci->bdf; 78 1.1 nisimura for (n = 0; n < nnifdv; n++) { 79 1.1 nisimura dv = &lnifdv[n]; 80 1.1 nisimura if ((*dv->match)(tag, NULL) > 0) 81 1.1 nisimura goto found; 82 1.1 nisimura } 83 1.5 phx pci->drv = NULL; 84 1.1 nisimura return 0; 85 1.1 nisimura found: 86 1.2 nisimura pci->drv = dv->priv = (*dv->init)(tag, enaddr); 87 1.1 nisimura s = &netdesc; 88 1.1 nisimura s->io_netif = dv; 89 1.1 nisimura memcpy(s->myea, enaddr, sizeof(s->myea)); 90 1.1 nisimura /* build btinfo to identify NIF device */ 91 1.6 joerg snprintf(bi_net.devname, sizeof(bi_net.devname), "%s", dv->name); 92 1.1 nisimura memcpy(bi_net.mac_address, enaddr, sizeof(bi_net.mac_address)); 93 1.1 nisimura bi_net.cookie = tag; 94 1.6 joerg snprintf(bi_rdev.devname, sizeof(bi_rdev.devname), "%s", dv->name); 95 1.1 nisimura bi_rdev.cookie = tag; 96 1.1 nisimura return 1; 97 1.1 nisimura } 98 1.1 nisimura 99 1.5 phx void 100 1.5 phx netif_shutdown_all(void) 101 1.5 phx { 102 1.5 phx struct nifdv *dv; 103 1.5 phx 104 1.5 phx /* currently there can be only one NIF */ 105 1.5 phx dv = netdesc.io_netif; 106 1.5 phx if (dv != NULL) 107 1.5 phx if (dv->shutdown != NULL) 108 1.5 phx (*dv->shutdown)(dv->priv); 109 1.5 phx memset(&netdesc, 0, sizeof(netdesc)); 110 1.5 phx } 111 1.5 phx 112 1.1 nisimura int 113 1.1 nisimura netif_open(void *cookie) 114 1.1 nisimura { 115 1.5 phx 116 1.1 nisimura /* single action */ 117 1.1 nisimura return 0; 118 1.1 nisimura } 119 1.1 nisimura 120 1.1 nisimura int 121 1.1 nisimura netif_close(int sock) 122 1.1 nisimura { 123 1.5 phx 124 1.1 nisimura /* nothing to do for the HW */ 125 1.1 nisimura return 0; 126 1.1 nisimura } 127 1.1 nisimura 128 1.1 nisimura /* 129 1.1 nisimura * Send a packet. The ether header is already there. 130 1.1 nisimura * Return the length sent (or -1 on error). 131 1.1 nisimura */ 132 1.1 nisimura ssize_t 133 1.1 nisimura netif_put(struct iodesc *desc, void *pkt, size_t len) 134 1.1 nisimura { 135 1.1 nisimura struct nifdv *dv = desc->io_netif; 136 1.1 nisimura 137 1.1 nisimura return dv ? (*dv->send)(dv->priv, pkt, len) : -1; 138 1.1 nisimura } 139 1.1 nisimura 140 1.1 nisimura /* 141 1.1 nisimura * Receive a packet, including the ether header. 142 1.1 nisimura * Return the total length received (or -1 on error). 143 1.1 nisimura */ 144 1.1 nisimura ssize_t 145 1.1 nisimura netif_get(struct iodesc *desc, void *pkt, size_t maxlen, saseconds_t timo) 146 1.1 nisimura { 147 1.1 nisimura struct nifdv *dv = desc->io_netif; 148 1.1 nisimura int len; 149 1.1 nisimura 150 1.1 nisimura len = dv ? (*dv->recv)(dv->priv, pkt, maxlen, timo) : -1; 151 1.1 nisimura if (len == -1) 152 1.1 nisimura printf("timeout\n"); 153 1.1 nisimura return len; 154 1.1 nisimura } 155 1.1 nisimura 156 1.1 nisimura struct iodesc * 157 1.1 nisimura socktodesc(int num) 158 1.1 nisimura { 159 1.1 nisimura 160 1.1 nisimura return (num == 0) ? &netdesc : NULL; 161 1.1 nisimura } 162