1/*- 2 * Copyright (c) 2001 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE.
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30#include <sys/param.h> 31#include <netinet/in.h> 32#include <netinet/in_systm.h> 33 34#include <stand.h> 35#include <net.h> 36#include <netif.h> 37 38#include <efi.h> 39#include <efilib.h> 40 41extern struct netif_driver efi_net; 42 43#ifdef EFINET_DEBUG 44static void 45dump_mode(EFI_SIMPLE_NETWORK_MODE *mode) 46{ 47 int i; 48 49 printf("State = %x\n", mode->State); 50 printf("HwAddressSize = %u\n", mode->HwAddressSize); 51 printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize); 52 printf("MaxPacketSize = %u\n", mode->MaxPacketSize); 53 printf("NvRamSize = %u\n", mode->NvRamSize); 54 printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize); 55 printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask); 56 printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting); 57 printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount); 58 printf("MCastFilterCount = %u\n", mode->MCastFilterCount); 59 printf("MCastFilter = {"); 60 for (i = 0; i < mode->MCastFilterCount; i++) 61 printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr)); 62 printf(" }\n"); 63 printf("CurrentAddress = %s\n", 64 ether_sprintf(mode->CurrentAddress.Addr)); 65 printf("BroadcastAddress = %s\n", 66 ether_sprintf(mode->BroadcastAddress.Addr)); 67 printf("PermanentAddress = %s\n", 68 ether_sprintf(mode->PermanentAddress.Addr)); 69 printf("IfType = %u\n", mode->IfType); 70 printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable); 71 printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported); 72 printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported); 73 printf("MediaPresent = %d\n", mode->MediaPresent); 74} 75#endif 76 77int 78efinet_match(struct netif *nif, void *machdep_hint) 79{ 80 81 return (1); 82} 83 84int 85efinet_probe(struct netif *nif, void *machdep_hint) 86{ 87 88 return (0); 89} 90 91int 92efinet_put(struct iodesc *desc, void *pkt, size_t len) 93{ 94 struct netif *nif = desc->io_netif; 95 EFI_SIMPLE_NETWORK *net; 96 EFI_STATUS status; 97 void *buf; 98 99 net = nif->nif_devdata; 100 101 status = net->Transmit(net, 0, len, pkt, 0, 0, 0); 102 if (status != EFI_SUCCESS) 103 return -1; 104 105 /* Wait for the buffer to be transmitted */ 106 do { 107 buf = 0; /* XXX Is this needed? */ 108 status = net->GetStatus(net, 0, &buf); 109 /* 110 * XXX EFI1.1 and the E1000 card returns a different 111 * address than we gave. Sigh. 112 */ 113 } while (status == EFI_SUCCESS && buf == 0); 114 115 /* XXX How do we deal with status != EFI_SUCCESS now? */ 116 return (status == EFI_SUCCESS) ? len : -1; 117} 118 119 120int 121efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout) 122{ 123 struct netif *nif = desc->io_netif; 124 EFI_SIMPLE_NETWORK *net; 125 EFI_STATUS status; 126 UINTN bufsz; 127 time_t t; 128 char buf[2048]; 129 130 net = nif->nif_devdata; 131 132 t = time(0); 133 while ((time(0) - t) < timeout) { 134 bufsz = sizeof(buf); 135 status = net->Receive(net, 0, &bufsz, buf, 0, 0, 0); 136 if (status == EFI_SUCCESS) { 137 /* 138 * XXX EFI1.1 and the E1000 card trash our 139 * workspace if we do not do this silly copy. 140 * Either they are not respecting the len 141 * value or do not like the alignment. 142 */ 143 if (bufsz > len) 144 bufsz = len; 145 bcopy(buf, pkt, bufsz); 146 return bufsz; 147 } 148 if (status != EFI_NOT_READY) 149 return 0; 150 } 151 152 return 0; 153} 154 155void 156efinet_init(struct iodesc *desc, void *machdep_hint) 157{ 158 struct netif *nif = desc->io_netif; 159 EFI_SIMPLE_NETWORK *net; 160 EFI_STATUS status; 161 162 net = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private; 163 nif->nif_devdata = net; 164 165 if (net->Mode->State == EfiSimpleNetworkStopped) { 166 status = net->Start(net); 167 if (status != EFI_SUCCESS) { 168 printf("net%d: cannot start interface (status=%ld)\n", 169 nif->nif_unit, status); 170 return; 171 } 172 } 173 174 if (net->Mode->State != EfiSimpleNetworkInitialized) { 175 status = net->Initialize(net, 0, 0); 176 if (status != EFI_SUCCESS) { 177 printf("net%d: cannot init. interface (status=%ld)\n", 178 nif->nif_unit, status); 179 return; 180 } 181 } 182 183 if (net->Mode->ReceiveFilterSetting == 0) { 184 UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST | 185 EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST; 186 187 status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0); 188 if (status != EFI_SUCCESS) { 189 printf("net%d: cannot set rx. filters (status=%ld)\n", 190 nif->nif_unit, status); 191 return; 192 } 193 } 194 195#ifdef EFINET_DEBUG 196 dump_mode(net->Mode); 197#endif 198 199 bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6); 200 desc->xid = 1; 201 202 return; 203} 204 205void 206efinet_init_driver() 207{ 208 EFI_STATUS status; 209 UINTN sz; 210 static EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL; 211 EFI_HANDLE *handles; 212 int nifs, i; 213#define MAX_INTERFACES 4 214 static struct netif_dif difs[MAX_INTERFACES]; 215 static struct netif_stats stats[MAX_INTERFACES]; 216 217 sz = 0; 218 status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, 0); 219 if (status != EFI_BUFFER_TOO_SMALL) 220 return; 221 handles = (EFI_HANDLE *) malloc(sz); 222 status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, handles); 223 if (EFI_ERROR(status)) { 224 free(handles); 225 return; 226 } 227 228 nifs = sz / sizeof(EFI_HANDLE); 229 if (nifs > MAX_INTERFACES) 230 nifs = MAX_INTERFACES; 231 232 efi_net.netif_nifs = nifs; 233 efi_net.netif_ifs = difs; 234 235 bzero(stats, sizeof(stats)); 236 for (i = 0; i < nifs; i++) { 237 struct netif_dif *dif = &efi_net.netif_ifs[i]; 238 dif->dif_unit = i; 239 dif->dif_nsel = 1; 240 dif->dif_stats = &stats[i]; 241 242 BS->HandleProtocol(handles[i], &netid, 243 (VOID**) &dif->dif_private); 244 } 245 246 return; 247} 248 249void 250efinet_end(struct netif *nif) 251{ 252 EFI_SIMPLE_NETWORK *net = nif->nif_devdata; 253 254 net->Shutdown(net); 255} 256 257struct netif_driver efi_net = { 258 "net", /* netif_bname */ 259 efinet_match, /* netif_match */ 260 efinet_probe, /* netif_probe */ 261 efinet_init, /* netif_init */ 262 efinet_get, /* netif_get */ 263 efinet_put, /* netif_put */ 264 efinet_end, /* netif_end */ 265 0, /* netif_ifs */ 266 0 /* netif_nifs */ 267}; 268
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