nif.c revision 1.3.2.2
1 1.3.2.2 bouyer /* $NetBSD: nif.c,v 1.3.2.2 2011/03/06 15:07:55 bouyer Exp $ */ 2 1.3.2.2 bouyer 3 1.3.2.2 bouyer /*- 4 1.3.2.2 bouyer * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.3.2.2 bouyer * All rights reserved. 6 1.3.2.2 bouyer * 7 1.3.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 bouyer * by Tohru Nishimura. 9 1.3.2.2 bouyer * 10 1.3.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.3.2.2 bouyer * are met: 13 1.3.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.3.2.2 bouyer * 19 1.3.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 30 1.3.2.2 bouyer */ 31 1.3.2.2 bouyer 32 1.3.2.2 bouyer #include <sys/param.h> 33 1.3.2.2 bouyer 34 1.3.2.2 bouyer #include <netinet/in.h> 35 1.3.2.2 bouyer #include <netinet/in_systm.h> 36 1.3.2.2 bouyer 37 1.3.2.2 bouyer #include <lib/libsa/stand.h> 38 1.3.2.2 bouyer #include <lib/libsa/net.h> 39 1.3.2.2 bouyer 40 1.3.2.2 bouyer #include <machine/bootinfo.h> 41 1.3.2.2 bouyer 42 1.3.2.2 bouyer #include "globals.h" 43 1.3.2.2 bouyer 44 1.3.2.2 bouyer struct nifdv { 45 1.3.2.2 bouyer char *name; 46 1.3.2.2 bouyer int (*match)(unsigned, void *); 47 1.3.2.2 bouyer void *(*init)(unsigned, void *); 48 1.3.2.2 bouyer int (*send)(void *, char *, unsigned); 49 1.3.2.2 bouyer int (*recv)(void *, char *, unsigned, unsigned); 50 1.3.2.2 bouyer int (*halt)(void *, int); 51 1.3.2.2 bouyer void *priv; 52 1.3.2.2 bouyer }; 53 1.3.2.2 bouyer 54 1.3.2.2 bouyer static struct iodesc netdesc; 55 1.3.2.2 bouyer 56 1.3.2.2 bouyer static struct nifdv lnifdv[] = { 57 1.3.2.2 bouyer { "fxp", fxp_match, fxp_init, fxp_send, fxp_recv }, 58 1.3.2.2 bouyer { "tlp", tlp_match, tlp_init, tlp_send, tlp_recv }, 59 1.3.2.2 bouyer { "re", rge_match, rge_init, rge_send, rge_recv }, 60 1.3.2.2 bouyer { "sk", skg_match, skg_init, skg_send, skg_recv }, 61 1.3.2.2 bouyer }; 62 1.3.2.2 bouyer static int nnifdv = sizeof(lnifdv)/sizeof(lnifdv[0]); 63 1.3.2.2 bouyer 64 1.3.2.2 bouyer int 65 1.3.2.2 bouyer netif_init(void *self) 66 1.3.2.2 bouyer { 67 1.3.2.2 bouyer struct pcidev *pci = self; 68 1.3.2.2 bouyer struct iodesc *s; 69 1.3.2.2 bouyer struct nifdv *dv; 70 1.3.2.2 bouyer unsigned tag; 71 1.3.2.2 bouyer int n; 72 1.3.2.2 bouyer uint8_t enaddr[6]; 73 1.3.2.2 bouyer extern struct btinfo_net bi_net; 74 1.3.2.2 bouyer extern struct btinfo_rootdevice bi_rdev; 75 1.3.2.2 bouyer 76 1.3.2.2 bouyer tag = pci->bdf; 77 1.3.2.2 bouyer for (n = 0; n < nnifdv; n++) { 78 1.3.2.2 bouyer dv = &lnifdv[n]; 79 1.3.2.2 bouyer if ((*dv->match)(tag, NULL) > 0) 80 1.3.2.2 bouyer goto found; 81 1.3.2.2 bouyer } 82 1.3.2.2 bouyer return 0; 83 1.3.2.2 bouyer found: 84 1.3.2.2 bouyer pci->drv = dv->priv = (*dv->init)(tag, enaddr); 85 1.3.2.2 bouyer s = &netdesc; 86 1.3.2.2 bouyer s->io_netif = dv; 87 1.3.2.2 bouyer memcpy(s->myea, enaddr, sizeof(s->myea)); 88 1.3.2.2 bouyer /* build btinfo to identify NIF device */ 89 1.3.2.2 bouyer snprintf(bi_net.devname, sizeof(bi_net.devname), dv->name); 90 1.3.2.2 bouyer memcpy(bi_net.mac_address, enaddr, sizeof(bi_net.mac_address)); 91 1.3.2.2 bouyer bi_net.cookie = tag; 92 1.3.2.2 bouyer snprintf(bi_rdev.devname, sizeof(bi_rdev.devname), dv->name); 93 1.3.2.2 bouyer bi_rdev.cookie = tag; 94 1.3.2.2 bouyer return 1; 95 1.3.2.2 bouyer } 96 1.3.2.2 bouyer 97 1.3.2.2 bouyer int 98 1.3.2.2 bouyer netif_open(void *cookie) 99 1.3.2.2 bouyer { 100 1.3.2.2 bouyer /* single action */ 101 1.3.2.2 bouyer return 0; 102 1.3.2.2 bouyer } 103 1.3.2.2 bouyer 104 1.3.2.2 bouyer int 105 1.3.2.2 bouyer netif_close(int sock) 106 1.3.2.2 bouyer { 107 1.3.2.2 bouyer /* nothing to do for the HW */ 108 1.3.2.2 bouyer return 0; 109 1.3.2.2 bouyer } 110 1.3.2.2 bouyer 111 1.3.2.2 bouyer /* 112 1.3.2.2 bouyer * Send a packet. The ether header is already there. 113 1.3.2.2 bouyer * Return the length sent (or -1 on error). 114 1.3.2.2 bouyer */ 115 1.3.2.2 bouyer ssize_t 116 1.3.2.2 bouyer netif_put(struct iodesc *desc, void *pkt, size_t len) 117 1.3.2.2 bouyer { 118 1.3.2.2 bouyer struct nifdv *dv = desc->io_netif; 119 1.3.2.2 bouyer 120 1.3.2.2 bouyer return dv ? (*dv->send)(dv->priv, pkt, len) : -1; 121 1.3.2.2 bouyer } 122 1.3.2.2 bouyer 123 1.3.2.2 bouyer /* 124 1.3.2.2 bouyer * Receive a packet, including the ether header. 125 1.3.2.2 bouyer * Return the total length received (or -1 on error). 126 1.3.2.2 bouyer */ 127 1.3.2.2 bouyer ssize_t 128 1.3.2.2 bouyer netif_get(struct iodesc *desc, void *pkt, size_t maxlen, saseconds_t timo) 129 1.3.2.2 bouyer { 130 1.3.2.2 bouyer struct nifdv *dv = desc->io_netif; 131 1.3.2.2 bouyer int len; 132 1.3.2.2 bouyer 133 1.3.2.2 bouyer len = dv ? (*dv->recv)(dv->priv, pkt, maxlen, timo) : -1; 134 1.3.2.2 bouyer if (len == -1) 135 1.3.2.2 bouyer printf("timeout\n"); 136 1.3.2.2 bouyer return len; 137 1.3.2.2 bouyer } 138 1.3.2.2 bouyer 139 1.3.2.2 bouyer struct iodesc * 140 1.3.2.2 bouyer socktodesc(int num) 141 1.3.2.2 bouyer { 142 1.3.2.2 bouyer 143 1.3.2.2 bouyer return (num == 0) ? &netdesc : NULL; 144 1.3.2.2 bouyer } 145
Indexes created Thu Oct 30 22:09:55 GMT 2025