efinet.c revision 93409
15507SN/A/*- 215812Sihse * Copyright (c) 2001 Doug Rabson 35507SN/A * All rights reserved. 45507SN/A * 55507SN/A * Redistribution and use in source and binary forms, with or without 65507SN/A * modification, are permitted provided that the following conditions 75507SN/A * are met: 85507SN/A * 1. Redistributions of source code must retain the above copyright 95507SN/A * notice, this list of conditions and the following disclaimer. 105507SN/A * 2. Redistributions in binary form must reproduce the above copyright 115507SN/A * notice, this list of conditions and the following disclaimer in the 125507SN/A * documentation and/or other materials provided with the distribution. 135507SN/A * 145507SN/A * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 155507SN/A * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 165507SN/A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 175507SN/A * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 185507SN/A * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 195507SN/A * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 205507SN/A * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 215507SN/A * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 225507SN/A * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 235507SN/A * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 245507SN/A * SUCH DAMAGE. 255507SN/A * 268330SN/A * $FreeBSD: head/sys/boot/efi/libefi/efinet.c 93409 2002-03-30 04:50:52Z marcel $ 275507SN/A */ 2810444Schegar 2910967Schegar#include <sys/param.h> 3013471Serikj#include <netinet/in.h> 315507SN/A#include <netinet/in_systm.h> 325507SN/A 3313823Serikj#include <stand.h> 345507SN/A#include <net.h> 3510967Schegar#include <netif.h> 36 37#include <efi.h> 38#include <efilib.h> 39 40extern struct netif_driver efi_net; 41 42#ifdef EFINET_DEBUG 43static void 44dump_mode(EFI_SIMPLE_NETWORK_MODE *mode) 45{ 46 int i; 47 48 printf("State = %x\n", mode->State); 49 printf("HwAddressSize = %u\n", mode->HwAddressSize); 50 printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize); 51 printf("MaxPacketSize = %u\n", mode->MaxPacketSize); 52 printf("NvRamSize = %u\n", mode->NvRamSize); 53 printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize); 54 printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask); 55 printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting); 56 printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount); 57 printf("MCastFilterCount = %u\n", mode->MCastFilterCount); 58 printf("MCastFilter = {"); 59 for (i = 0; i < mode->MCastFilterCount; i++) 60 printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr)); 61 printf(" }\n"); 62 printf("CurrentAddress = %s\n", 63 ether_sprintf(mode->CurrentAddress.Addr)); 64 printf("BroadcastAddress = %s\n", 65 ether_sprintf(mode->BroadcastAddress.Addr)); 66 printf("PermanentAddress = %s\n", 67 ether_sprintf(mode->PermanentAddress.Addr)); 68 printf("IfType = %u\n", mode->IfType); 69 printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable); 70 printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported); 71 printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported); 72 printf("MediaPresent = %d\n", mode->MediaPresent); 73} 74#endif 75 76int 77efinet_match(struct netif *nif, void *machdep_hint) 78{ 79 80 return (1); 81} 82 83int 84efinet_probe(struct netif *nif, void *machdep_hint) 85{ 86 87 return (0); 88} 89 90int 91efinet_put(struct iodesc *desc, void *pkt, size_t len) 92{ 93 struct netif *nif = desc->io_netif; 94 EFI_SIMPLE_NETWORK *net; 95 EFI_STATUS status; 96 void *buf; 97 98 net = nif->nif_devdata; 99 100 status = net->Transmit(net, 0, len, pkt, 0, 0, 0); 101 if (status != EFI_SUCCESS) 102 return -1; 103 104 /* Wait for the buffer to be transmitted */ 105 buf = 0; /* XXX Is this needed? */ 106 do { 107 status = net->GetStatus(net, 0, &buf); 108 } while (status == EFI_SUCCESS && buf != pkt); 109 110 /* XXX How do we deal with status != EFI_SUCCESS now? */ 111 return (status == EFI_SUCCESS) ? len : -1; 112} 113 114 115int 116efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout) 117{ 118 struct netif *nif = desc->io_netif; 119 EFI_SIMPLE_NETWORK *net; 120 EFI_STATUS status; 121 UINTN bufsz; 122 time_t t; 123 124 net = nif->nif_devdata; 125 126 t = time(0); 127 while ((time(0) - t) < timeout) { 128 bufsz = len; 129 status = net->Receive(net, 0, &bufsz, pkt, 0, 0, 0); 130 if (status == EFI_SUCCESS) 131 return bufsz; 132 if (status != EFI_NOT_READY) 133 return 0; 134 } 135 136 return 0; 137} 138 139void 140efinet_init(struct iodesc *desc, void *machdep_hint) 141{ 142 struct netif *nif = desc->io_netif; 143 EFI_SIMPLE_NETWORK *net; 144 EFI_STATUS status; 145 146 net = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private; 147 nif->nif_devdata = net; 148 149 if (net->Mode->State == EfiSimpleNetworkStopped) { 150 status = net->Start(net); 151 if (status != EFI_SUCCESS) { 152 printf("net%d: cannot start interface (status=%d)\n", 153 nif->nif_unit, status); 154 return; 155 } 156 } 157 158 if (net->Mode->State != EfiSimpleNetworkInitialized) { 159 status = net->Initialize(net, 0, 0); 160 if (status != EFI_SUCCESS) { 161 printf("net%d: cannot init. interface (status=%d)\n", 162 nif->nif_unit, status); 163 return; 164 } 165 } 166 167 if (net->Mode->ReceiveFilterSetting == 0) { 168 UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST | 169 EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST; 170 171 status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0); 172 if (status != EFI_SUCCESS) { 173 printf("net%d: cannot set rx. filters (status=%d)\n", 174 nif->nif_unit, status); 175 return; 176 } 177 } 178 179#ifdef EFINET_DEBUG 180 dump_mode(net->Mode); 181#endif 182 183 bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6); 184 desc->xid = 1; 185 186 return; 187} 188 189void 190efinet_init_driver() 191{ 192 EFI_STATUS status; 193 UINTN sz; 194 static EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL; 195 EFI_HANDLE *handles; 196 int nifs, i; 197#define MAX_INTERFACES 4 198 static struct netif_dif difs[MAX_INTERFACES]; 199 static struct netif_stats stats[MAX_INTERFACES]; 200 201 sz = 0; 202 status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, 0); 203 if (status != EFI_BUFFER_TOO_SMALL) 204 return; 205 handles = (EFI_HANDLE *) malloc(sz); 206 status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, handles); 207 if (EFI_ERROR(status)) { 208 free(handles); 209 return; 210 } 211 212 nifs = sz / sizeof(EFI_HANDLE); 213 if (nifs > MAX_INTERFACES) 214 nifs = MAX_INTERFACES; 215 216 efi_net.netif_nifs = nifs; 217 efi_net.netif_ifs = difs; 218 219 bzero(stats, sizeof(stats)); 220 for (i = 0; i < nifs; i++) { 221 struct netif_dif *dif = &efi_net.netif_ifs[i]; 222 dif->dif_unit = i; 223 dif->dif_nsel = 1; 224 dif->dif_stats = &stats[i]; 225 226 BS->HandleProtocol(handles[i], &netid, 227 (VOID**) &dif->dif_private); 228 } 229 230 return; 231} 232 233void 234efinet_end(struct netif *nif) 235{ 236 EFI_SIMPLE_NETWORK *net = nif->nif_devdata; 237 238 net->Shutdown(net); 239} 240 241struct netif_driver efi_net = { 242 "net", /* netif_bname */ 243 efinet_match, /* netif_match */ 244 efinet_probe, /* netif_probe */ 245 efinet_init, /* netif_init */ 246 efinet_get, /* netif_get */ 247 efinet_put, /* netif_put */ 248 efinet_end, /* netif_end */ 249 0, /* netif_ifs */ 250 0 /* netif_nifs */ 251}; 252 253