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-rw-r--r--sys/boot/efi/libefi/efinet.c267
1 files changed, 267 insertions, 0 deletions
diff --git a/sys/boot/efi/libefi/efinet.c b/sys/boot/efi/libefi/efinet.c
new file mode 100644
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--- /dev/null
+++ b/sys/boot/efi/libefi/efinet.c
@@ -0,0 +1,267 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+
+#include <stand.h>
+#include <net.h>
+#include <netif.h>
+
+#include <efi.h>
+#include <efilib.h>
+
+extern struct netif_driver efi_net;
+
+#ifdef EFINET_DEBUG
+static void
+dump_mode(EFI_SIMPLE_NETWORK_MODE *mode)
+{
+ int i;
+
+ printf("State = %x\n", mode->State);
+ printf("HwAddressSize = %u\n", mode->HwAddressSize);
+ printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize);
+ printf("MaxPacketSize = %u\n", mode->MaxPacketSize);
+ printf("NvRamSize = %u\n", mode->NvRamSize);
+ printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize);
+ printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask);
+ printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting);
+ printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount);
+ printf("MCastFilterCount = %u\n", mode->MCastFilterCount);
+ printf("MCastFilter = {");
+ for (i = 0; i < mode->MCastFilterCount; i++)
+ printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr));
+ printf(" }\n");
+ printf("CurrentAddress = %s\n",
+ ether_sprintf(mode->CurrentAddress.Addr));
+ printf("BroadcastAddress = %s\n",
+ ether_sprintf(mode->BroadcastAddress.Addr));
+ printf("PermanentAddress = %s\n",
+ ether_sprintf(mode->PermanentAddress.Addr));
+ printf("IfType = %u\n", mode->IfType);
+ printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable);
+ printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported);
+ printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported);
+ printf("MediaPresent = %d\n", mode->MediaPresent);
+}
+#endif
+
+int
+efinet_match(struct netif *nif, void *machdep_hint)
+{
+
+ return (1);
+}
+
+int
+efinet_probe(struct netif *nif, void *machdep_hint)
+{
+
+ return (0);
+}
+
+int
+efinet_put(struct iodesc *desc, void *pkt, size_t len)
+{
+ struct netif *nif = desc->io_netif;
+ EFI_SIMPLE_NETWORK *net;
+ EFI_STATUS status;
+ void *buf;
+
+ net = nif->nif_devdata;
+
+ status = net->Transmit(net, 0, len, pkt, 0, 0, 0);
+ if (status != EFI_SUCCESS)
+ return -1;
+
+ /* Wait for the buffer to be transmitted */
+ do {
+ buf = 0; /* XXX Is this needed? */
+ status = net->GetStatus(net, 0, &buf);
+ /*
+ * XXX EFI1.1 and the E1000 card returns a different
+ * address than we gave. Sigh.
+ */
+ } while (status == EFI_SUCCESS && buf == 0);
+
+ /* XXX How do we deal with status != EFI_SUCCESS now? */
+ return (status == EFI_SUCCESS) ? len : -1;
+}
+
+
+int
+efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout)
+{
+ struct netif *nif = desc->io_netif;
+ EFI_SIMPLE_NETWORK *net;
+ EFI_STATUS status;
+ UINTN bufsz;
+ time_t t;
+ char buf[2048];
+
+ net = nif->nif_devdata;
+
+ t = time(0);
+ while ((time(0) - t) < timeout) {
+ bufsz = sizeof(buf);
+ status = net->Receive(net, 0, &bufsz, buf, 0, 0, 0);
+ if (status == EFI_SUCCESS) {
+ /*
+ * XXX EFI1.1 and the E1000 card trash our
+ * workspace if we do not do this silly copy.
+ * Either they are not respecting the len
+ * value or do not like the alignment.
+ */
+ if (bufsz > len)
+ bufsz = len;
+ bcopy(buf, pkt, bufsz);
+ return bufsz;
+ }
+ if (status != EFI_NOT_READY)
+ return 0;
+ }
+
+ return 0;
+}
+
+void
+efinet_init(struct iodesc *desc, void *machdep_hint)
+{
+ struct netif *nif = desc->io_netif;
+ EFI_SIMPLE_NETWORK *net;
+ EFI_STATUS status;
+
+ net = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private;
+ nif->nif_devdata = net;
+
+ if (net->Mode->State == EfiSimpleNetworkStopped) {
+ status = net->Start(net);
+ if (status != EFI_SUCCESS) {
+ printf("net%d: cannot start interface (status=%ld)\n",
+ nif->nif_unit, status);
+ return;
+ }
+ }
+
+ if (net->Mode->State != EfiSimpleNetworkInitialized) {
+ status = net->Initialize(net, 0, 0);
+ if (status != EFI_SUCCESS) {
+ printf("net%d: cannot init. interface (status=%ld)\n",
+ nif->nif_unit, status);
+ return;
+ }
+ }
+
+ if (net->Mode->ReceiveFilterSetting == 0) {
+ UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
+ EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
+
+ status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0);
+ if (status != EFI_SUCCESS) {
+ printf("net%d: cannot set rx. filters (status=%ld)\n",
+ nif->nif_unit, status);
+ return;
+ }
+ }
+
+#ifdef EFINET_DEBUG
+ dump_mode(net->Mode);
+#endif
+
+ bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6);
+ desc->xid = 1;
+
+ return;
+}
+
+void
+efinet_init_driver()
+{
+ EFI_STATUS status;
+ UINTN sz;
+ static EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL;
+ EFI_HANDLE *handles;
+ int nifs, i;
+#define MAX_INTERFACES 4
+ static struct netif_dif difs[MAX_INTERFACES];
+ static struct netif_stats stats[MAX_INTERFACES];
+
+ sz = 0;
+ status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, 0);
+ if (status != EFI_BUFFER_TOO_SMALL)
+ return;
+ handles = (EFI_HANDLE *) malloc(sz);
+ status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, handles);
+ if (EFI_ERROR(status)) {
+ free(handles);
+ return;
+ }
+
+ nifs = sz / sizeof(EFI_HANDLE);
+ if (nifs > MAX_INTERFACES)
+ nifs = MAX_INTERFACES;
+
+ efi_net.netif_nifs = nifs;
+ efi_net.netif_ifs = difs;
+
+ bzero(stats, sizeof(stats));
+ for (i = 0; i < nifs; i++) {
+ struct netif_dif *dif = &efi_net.netif_ifs[i];
+ dif->dif_unit = i;
+ dif->dif_nsel = 1;
+ dif->dif_stats = &stats[i];
+
+ BS->HandleProtocol(handles[i], &netid,
+ (VOID**) &dif->dif_private);
+ }
+
+ return;
+}
+
+void
+efinet_end(struct netif *nif)
+{
+ EFI_SIMPLE_NETWORK *net = nif->nif_devdata;
+
+ net->Shutdown(net);
+}
+
+struct netif_driver efi_net = {
+ "net", /* netif_bname */
+ efinet_match, /* netif_match */
+ efinet_probe, /* netif_probe */
+ efinet_init, /* netif_init */
+ efinet_get, /* netif_get */
+ efinet_put, /* netif_put */
+ efinet_end, /* netif_end */
+ 0, /* netif_ifs */
+ 0 /* netif_nifs */
+};
+
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