2 * Copyright (c) 2000-2001 Benno Rice
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/socket.h>
35 #include <netinet/in.h>
36 #include <netinet/in_systm.h>
37 #include <netinet/if_ether.h>
38 #include <netinet/ip.h>
46 static int ofwn_probe(struct netif *, void *);
47 static int ofwn_match(struct netif *, void *);
48 static void ofwn_init(struct iodesc *, void *);
49 static ssize_t ofwn_get(struct iodesc *, void **, time_t);
50 static ssize_t ofwn_put(struct iodesc *, void *, size_t);
51 static void ofwn_end(struct netif *);
53 extern struct netif_stats ofwn_stats[];
55 struct netif_dif ofwn_ifs[] = {
56 /* dif_unit dif_nsel dif_stats dif_private */
57 { 0, 1, &ofwn_stats[0], 0, },
60 struct netif_stats ofwn_stats[nitems(ofwn_ifs)];
62 struct netif_driver ofwnet = {
63 "net", /* netif_bname */
64 ofwn_match, /* netif_match */
65 ofwn_probe, /* netif_probe */
66 ofwn_init, /* netif_init */
67 ofwn_get, /* netif_get */
68 ofwn_put, /* netif_put */
69 ofwn_end, /* netif_end */
70 ofwn_ifs, /* netif_ifs */
71 nitems(ofwn_ifs) /* netif_nifs */
74 static ihandle_t netinstance;
79 ofwn_match(struct netif *nif, void *machdep_hint)
85 ofwn_probe(struct netif *nif, void *machdep_hint)
91 ofwn_put(struct iodesc *desc, void *pkt, size_t len)
96 #if defined(NETIF_DEBUG)
97 struct ether_header *eh;
98 printf("netif_put: desc=0x%x pkt=0x%x len=%d\n", desc, pkt, len);
100 printf("dst: %s ", ether_sprintf(eh->ether_dhost));
101 printf("src: %s ", ether_sprintf(eh->ether_shost));
102 printf("type: 0x%x\n", eh->ether_type & 0xffff);
108 #if defined(NETIF_DEBUG)
109 printf("netif_put: length padded to %d\n", sendlen);
114 bcopy(pkt, dmabuf, sendlen);
118 rv = OF_write(netinstance, pkt, len);
120 #if defined(NETIF_DEBUG)
121 printf("netif_put: OF_write returned %d\n", rv);
128 ofwn_get(struct iodesc *desc, void **pkt, time_t timeout)
135 #if defined(NETIF_DEBUG)
136 printf("netif_get: pkt=%p, timeout=%d\n", pkt, timeout);
140 * We should read the "max-frame-size" int property instead,
141 * but at this time the iodesc does not have mtu, so we will take
142 * a small shortcut here.
145 buf = malloc(len + ETHER_ALIGN);
148 ptr = buf + ETHER_ALIGN;
152 length = OF_read(netinstance, ptr, len);
153 } while ((length == -2 || length == 0) &&
154 (getsecs() - t < timeout));
156 #if defined(NETIF_DEBUG)
157 printf("netif_get: received length=%d (%x)\n", length, length);
165 #if defined(NETIF_VERBOSE_DEBUG)
170 for(i = 0; i < 96; i += 4) {
171 printf("%02x%02x%02x%02x ", ch[i], ch[i+1],
178 #if defined(NETIF_DEBUG)
180 struct ether_header *eh = ptr;
182 printf("dst: %s ", ether_sprintf(eh->ether_dhost));
183 printf("src: %s ", ether_sprintf(eh->ether_shost));
184 printf("type: 0x%x\n", eh->ether_type & 0xffff);
192 extern char *strchr();
195 ofwn_init(struct iodesc *desc, void *machdep_hint)
202 pathlen = OF_getprop(chosen, "bootpath", path, 64);
203 if ((ch = strchr(path, ':')) != NULL)
205 netdev = OF_finddevice(path);
206 if (OF_getprop(netdev, "local-mac-address", desc->myea, 6) == -1)
209 printf("boot: ethernet address: %s\n", ether_sprintf(desc->myea));
211 if ((netinstance = OF_open(path)) == -1) {
212 printf("Could not open network device.\n");
216 #if defined(NETIF_DEBUG)
217 printf("ofwn_init: Open Firmware instance handle: %08x\n", netinstance);
220 if (OF_call_method("dma-alloc", netinstance, 1, 1, (64 * 1024), &dmabuf)
222 printf("Failed to allocate DMA buffer (got %p).\n", dmabuf);
225 #if defined(NETIF_DEBUG)
226 printf("ofwn_init: allocated DMA buffer: %p\n", dmabuf);
233 printf("Could not boot from %s.\n", path);
238 ofwn_end(struct netif *nif)
241 /* dma-free freezes at least some Apple ethernet controllers */
242 OF_call_method("dma-free", netinstance, 2, 0, dmabuf, MAXPHYS);
244 OF_close(netinstance);
249 ofwn_getunit(const char *path)
254 OF_canon(path, newpath, 254);
256 for (i = 0; i < nofwninfo; i++) {
257 printf(">>> test =\t%s\n", ofwninfo[i].ofwn_path);
258 if (strcmp(path, ofwninfo[i].ofwn_path) == 0)
261 if (strcmp(newpath, ofwninfo[i].ofwn_path) == 0)