2 * Copyright (c) 2001 Doug Rabson
3 * Copyright (c) 2002, 2006 Marcel Moolenaar
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <netinet/in.h>
33 #include <netinet/in_systm.h>
44 static EFI_GUID sn_guid = EFI_SIMPLE_NETWORK_PROTOCOL;
46 static void efinet_end(struct netif *);
47 static int efinet_get(struct iodesc *, void *, size_t, time_t);
48 static void efinet_init(struct iodesc *, void *);
49 static int efinet_match(struct netif *, void *);
50 static int efinet_probe(struct netif *, void *);
51 static int efinet_put(struct iodesc *, void *, size_t);
53 struct netif_driver efinetif = {
54 .netif_bname = "efinet",
55 .netif_match = efinet_match,
56 .netif_probe = efinet_probe,
57 .netif_init = efinet_init,
58 .netif_get = efinet_get,
59 .netif_put = efinet_put,
60 .netif_end = efinet_end,
67 dump_mode(EFI_SIMPLE_NETWORK_MODE *mode)
71 printf("State = %x\n", mode->State);
72 printf("HwAddressSize = %u\n", mode->HwAddressSize);
73 printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize);
74 printf("MaxPacketSize = %u\n", mode->MaxPacketSize);
75 printf("NvRamSize = %u\n", mode->NvRamSize);
76 printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize);
77 printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask);
78 printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting);
79 printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount);
80 printf("MCastFilterCount = %u\n", mode->MCastFilterCount);
81 printf("MCastFilter = {");
82 for (i = 0; i < mode->MCastFilterCount; i++)
83 printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr));
85 printf("CurrentAddress = %s\n",
86 ether_sprintf(mode->CurrentAddress.Addr));
87 printf("BroadcastAddress = %s\n",
88 ether_sprintf(mode->BroadcastAddress.Addr));
89 printf("PermanentAddress = %s\n",
90 ether_sprintf(mode->PermanentAddress.Addr));
91 printf("IfType = %u\n", mode->IfType);
92 printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable);
93 printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported);
94 printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported);
95 printf("MediaPresent = %d\n", mode->MediaPresent);
100 efinet_match(struct netif *nif, void *machdep_hint)
102 struct devdesc *dev = machdep_hint;
104 if (dev->d_unit == nif->nif_unit)
110 efinet_probe(struct netif *nif, void *machdep_hint)
117 efinet_put(struct iodesc *desc, void *pkt, size_t len)
119 struct netif *nif = desc->io_netif;
120 EFI_SIMPLE_NETWORK *net;
124 net = nif->nif_devdata;
128 status = net->Transmit(net, 0, len, pkt, 0, 0, 0);
129 if (status != EFI_SUCCESS)
132 /* Wait for the buffer to be transmitted */
134 buf = NULL; /* XXX Is this needed? */
135 status = net->GetStatus(net, 0, &buf);
137 * XXX EFI1.1 and the E1000 card returns a different
138 * address than we gave. Sigh.
140 } while (status == EFI_SUCCESS && buf == NULL);
142 /* XXX How do we deal with status != EFI_SUCCESS now? */
143 return ((status == EFI_SUCCESS) ? len : -1);
147 efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout)
149 struct netif *nif = desc->io_netif;
150 EFI_SIMPLE_NETWORK *net;
156 net = nif->nif_devdata;
161 while ((time(0) - t) < timeout) {
163 status = net->Receive(net, 0, &bufsz, buf, 0, 0, 0);
164 if (status == EFI_SUCCESS) {
166 * XXX EFI1.1 and the E1000 card trash our
167 * workspace if we do not do this silly copy.
168 * Either they are not respecting the len
169 * value or do not like the alignment.
173 bcopy(buf, pkt, bufsz);
176 if (status != EFI_NOT_READY)
184 efinet_init(struct iodesc *desc, void *machdep_hint)
186 struct netif *nif = desc->io_netif;
187 EFI_SIMPLE_NETWORK *net;
191 if (nif->nif_driver->netif_ifs[nif->nif_unit].dif_unit < 0) {
192 printf("Invalid network interface %d\n", nif->nif_unit);
196 h = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private;
197 status = BS->HandleProtocol(h, &sn_guid, (VOID **)&nif->nif_devdata);
198 if (status != EFI_SUCCESS) {
199 printf("net%d: cannot fetch interface data (status=%lu)\n",
200 nif->nif_unit, EFI_ERROR_CODE(status));
204 net = nif->nif_devdata;
205 if (net->Mode->State == EfiSimpleNetworkStopped) {
206 status = net->Start(net);
207 if (status != EFI_SUCCESS) {
208 printf("net%d: cannot start interface (status=%ld)\n",
209 nif->nif_unit, (long)status);
214 if (net->Mode->State != EfiSimpleNetworkInitialized) {
215 status = net->Initialize(net, 0, 0);
216 if (status != EFI_SUCCESS) {
217 printf("net%d: cannot init. interface (status=%ld)\n",
218 nif->nif_unit, (long)status);
223 if (net->Mode->ReceiveFilterSetting == 0) {
224 UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
225 EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
227 status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0);
228 if (status != EFI_SUCCESS) {
229 printf("net%d: cannot set rx. filters (status=%ld)\n",
230 nif->nif_unit, (long)status);
236 dump_mode(net->Mode);
239 bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6);
244 efinet_end(struct netif *nif)
246 EFI_SIMPLE_NETWORK *net = nif->nif_devdata;
254 static int efinet_dev_init(void);
255 static int efinet_dev_print(int);
257 struct devsw efinet_dev = {
260 .dv_init = efinet_dev_init,
261 .dv_strategy = net_strategy,
263 .dv_close = net_close,
265 .dv_print = efinet_dev_print,
272 struct netif_dif *dif;
273 struct netif_stats *stats;
274 EFI_DEVICE_PATH *devpath, *node;
275 EFI_SIMPLE_NETWORK *net;
276 EFI_HANDLE *handles, *handles2;
283 status = BS->LocateHandle(ByProtocol, &sn_guid, 0, &sz, 0);
284 if (status == EFI_BUFFER_TOO_SMALL) {
285 handles = (EFI_HANDLE *)malloc(sz);
286 status = BS->LocateHandle(ByProtocol, &sn_guid, 0, &sz,
288 if (EFI_ERROR(status))
291 if (EFI_ERROR(status))
292 return (efi_status_to_errno(status));
293 handles2 = (EFI_HANDLE *)malloc(sz);
294 if (handles2 == NULL) {
299 for (i = 0; i < sz / sizeof(EFI_HANDLE); i++) {
300 devpath = efi_lookup_devpath(handles[i]);
303 if ((node = efi_devpath_last_node(devpath)) == NULL)
306 if (DevicePathType(node) != MESSAGING_DEVICE_PATH ||
307 DevicePathSubType(node) != MSG_MAC_ADDR_DP)
311 * Open the network device in exclusive mode. Without this
312 * we will be racing with the UEFI network stack. It will
313 * pull packets off the network leading to lost packets.
315 status = BS->OpenProtocol(handles[i], &sn_guid, (void **)&net,
316 IH, 0, EFI_OPEN_PROTOCOL_EXCLUSIVE);
317 if (status != EFI_SUCCESS) {
318 printf("Unable to open network interface %d for "
319 "exclusive access: %d\n", i, EFI_ERROR(status));
322 handles2[nifs] = handles[i];
331 err = efi_register_handles(&efinet_dev, handles2, NULL, nifs);
335 efinetif.netif_ifs = calloc(nifs, sizeof(struct netif_dif));
336 stats = calloc(nifs, sizeof(struct netif_stats));
337 if (efinetif.netif_ifs == NULL || stats == NULL) {
338 free(efinetif.netif_ifs);
340 efinetif.netif_ifs = NULL;
344 efinetif.netif_nifs = nifs;
346 for (i = 0; i < nifs; i++) {
348 dif = &efinetif.netif_ifs[i];
351 dif->dif_stats = &stats[i];
352 dif->dif_private = handles2[i];
360 efinet_dev_print(int verbose)
366 printf("%s devices:", efinet_dev.dv_name);
367 if ((ret = pager_output("\n")) != 0)
370 for (unit = 0, h = efi_find_handle(&efinet_dev, 0);
371 h != NULL; h = efi_find_handle(&efinet_dev, ++unit)) {
372 printf(" %s%d:", efinet_dev.dv_name, unit);
374 text = efi_devpath_name(efi_lookup_devpath(h));
377 efi_free_devpath_name(text);
380 if ((ret = pager_output("\n")) != 0)