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Diffstat (limited to 'usr/src/boot/sys/boot/efi/libefi/efinet.c')
-rw-r--r--usr/src/boot/sys/boot/efi/libefi/efinet.c340
1 files changed, 340 insertions, 0 deletions
diff --git a/usr/src/boot/sys/boot/efi/libefi/efinet.c b/usr/src/boot/sys/boot/efi/libefi/efinet.c
new file mode 100644
index 0000000000..e48b4a4b72
--- /dev/null
+++ b/usr/src/boot/sys/boot/efi/libefi/efinet.c
@@ -0,0 +1,340 @@
+/*-
+ * Copyright (c) 2001 Doug Rabson
+ * Copyright (c) 2002, 2006 Marcel Moolenaar
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+
+#include <stand.h>
+#include <net.h>
+#include <netif.h>
+
+#include <dev_net.c>
+
+#include <efi.h>
+#include <efilib.h>
+
+static EFI_GUID sn_guid = EFI_SIMPLE_NETWORK_PROTOCOL;
+
+static void efinet_end(struct netif *);
+static int efinet_get(struct iodesc *, void *, size_t, time_t);
+static void efinet_init(struct iodesc *, void *);
+static int efinet_match(struct netif *, void *);
+static int efinet_probe(struct netif *, void *);
+static int efinet_put(struct iodesc *, void *, size_t);
+
+struct netif_driver efinetif = {
+ .netif_bname = "efinet",
+ .netif_match = efinet_match,
+ .netif_probe = efinet_probe,
+ .netif_init = efinet_init,
+ .netif_get = efinet_get,
+ .netif_put = efinet_put,
+ .netif_end = efinet_end,
+ .netif_ifs = NULL,
+ .netif_nifs = 0
+};
+
+#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
+
+static int
+efinet_match(struct netif *nif, void *machdep_hint)
+{
+ struct devdesc *dev = machdep_hint;
+
+ if (dev->d_unit - 1 == nif->nif_unit)
+ return (1);
+ return(0);
+}
+
+static int
+efinet_probe(struct netif *nif, void *machdep_hint)
+{
+
+ return (0);
+}
+
+static 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);
+}
+
+static 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);
+}
+
+static void
+efinet_init(struct iodesc *desc, void *machdep_hint)
+{
+ struct netif *nif = desc->io_netif;
+ EFI_SIMPLE_NETWORK *net;
+ EFI_HANDLE h;
+ EFI_STATUS status;
+
+ if (nif->nif_driver->netif_ifs[nif->nif_unit].dif_unit < 0) {
+ printf("Invalid network interface %d\n", nif->nif_unit);
+ return;
+ }
+
+ h = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private;
+ status = BS->HandleProtocol(h, &sn_guid, (VOID **)&nif->nif_devdata);
+ if (status != EFI_SUCCESS) {
+ printf("net%d: cannot start interface (status=%lu)\n",
+ nif->nif_unit, EFI_ERROR_CODE(status));
+ return;
+ }
+
+ net = nif->nif_devdata;
+ 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, (long)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, (long)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, (long)status);
+ return;
+ }
+ }
+
+#ifdef EFINET_DEBUG
+ dump_mode(net->Mode);
+#endif
+
+ bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6);
+ desc->xid = 1;
+}
+
+static void
+efinet_end(struct netif *nif)
+{
+ EFI_SIMPLE_NETWORK *net = nif->nif_devdata;
+
+ net->Shutdown(net);
+}
+
+static int efinet_dev_init(void);
+static int efinet_dev_print(int);
+
+struct devsw efinet_dev = {
+ .dv_name = "net",
+ .dv_type = DEVT_NET,
+ .dv_init = efinet_dev_init,
+ .dv_strategy = net_strategy,
+ .dv_open = net_open,
+ .dv_close = net_close,
+ .dv_ioctl = noioctl,
+ .dv_print = efinet_dev_print,
+ .dv_cleanup = NULL
+};
+
+static int
+efinet_dev_init()
+{
+ struct netif_dif *dif;
+ struct netif_stats *stats;
+ EFI_HANDLE *handles;
+ EFI_STATUS status;
+ UINTN sz;
+ int err, i, nifs;
+
+ sz = 0;
+ handles = NULL;
+ status = BS->LocateHandle(ByProtocol, &sn_guid, 0, &sz, 0);
+ if (status == EFI_BUFFER_TOO_SMALL) {
+ handles = (EFI_HANDLE *)malloc(sz);
+ status = BS->LocateHandle(ByProtocol, &sn_guid, 0, &sz,
+ handles);
+ if (EFI_ERROR(status))
+ free(handles);
+ }
+ if (EFI_ERROR(status))
+ return (efi_status_to_errno(status));
+ nifs = sz / sizeof(EFI_HANDLE);
+ err = efi_register_handles(&efinet_dev, handles, NULL, nifs);
+ free(handles);
+ if (err != 0)
+ return (err);
+
+ efinetif.netif_nifs = nifs;
+ efinetif.netif_ifs = calloc(nifs, sizeof(struct netif_dif));
+
+ stats = calloc(nifs, sizeof(struct netif_stats));
+
+ for (i = 0; i < nifs; i++) {
+ EFI_SIMPLE_NETWORK *net;
+ EFI_HANDLE h;
+
+ dif = &efinetif.netif_ifs[i];
+ dif->dif_unit = -1;
+
+ h = efi_find_handle(&efinet_dev, i);
+
+ /*
+ * Open the network device in exclusive mode. Without this
+ * we will be racing with the UEFI network stack. It will
+ * pull packets off the network leading to lost packets.
+ */
+ status = BS->OpenProtocol(h, &sn_guid, (void **)&net,
+ IH, 0, EFI_OPEN_PROTOCOL_EXCLUSIVE);
+ if (status != EFI_SUCCESS) {
+ printf("Unable to open network interface %d for "
+ "exclusive access\n", i);
+ }
+
+ dif->dif_unit = i;
+ dif->dif_nsel = 1;
+ dif->dif_stats = &stats[i];
+ dif->dif_private = h;
+ }
+
+ return (0);
+}
+
+static int
+efinet_dev_print(int verbose)
+{
+ char line[80];
+ EFI_HANDLE h;
+ int unit, ret;
+
+ for (unit = 0, h = efi_find_handle(&efinet_dev, 0);
+ h != NULL; h = efi_find_handle(&efinet_dev, ++unit)) {
+ sprintf(line, " %s%d:\n", efinet_dev.dv_name, unit);
+ ret = pager_output(line);
+ if (ret)
+ break;
+ }
+ return (ret);
+}
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