/*- * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/efinet.c,v 1.6 2004/01/04 23:28:16 obrien Exp $"); #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 */ };