efinet.c revision 329100
183828Sdfr/*- 283828Sdfr * Copyright (c) 2001 Doug Rabson 3164010Smarcel * Copyright (c) 2002, 2006 Marcel Moolenaar 483828Sdfr * All rights reserved. 583828Sdfr * 683828Sdfr * Redistribution and use in source and binary forms, with or without 783828Sdfr * modification, are permitted provided that the following conditions 883828Sdfr * are met: 983828Sdfr * 1. Redistributions of source code must retain the above copyright 1083828Sdfr * notice, this list of conditions and the following disclaimer. 1183828Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1283828Sdfr * notice, this list of conditions and the following disclaimer in the 1383828Sdfr * documentation and/or other materials provided with the distribution. 1483828Sdfr * 1583828Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1683828Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1783828Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1883828Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1983828Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2083828Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2183828Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2283828Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2383828Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2483828Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2583828Sdfr * SUCH DAMAGE. 2683828Sdfr */ 2783828Sdfr 28124140Sobrien#include <sys/cdefs.h> 29124140Sobrien__FBSDID("$FreeBSD: stable/11/sys/boot/efi/libefi/efinet.c 329100 2018-02-10 04:56:07Z kevans $"); 30124140Sobrien 3183828Sdfr#include <sys/param.h> 32329100Skevans#include <net/ethernet.h> 3383828Sdfr#include <netinet/in.h> 3483828Sdfr#include <netinet/in_systm.h> 3583828Sdfr 3683828Sdfr#include <stand.h> 3783828Sdfr#include <net.h> 3883828Sdfr#include <netif.h> 3983828Sdfr 4083828Sdfr#include <efi.h> 4183828Sdfr#include <efilib.h> 4283828Sdfr 43164010Smarcelstatic EFI_GUID sn_guid = EFI_SIMPLE_NETWORK_PROTOCOL; 4483828Sdfr 45164010Smarcelstatic void efinet_end(struct netif *); 46329100Skevansstatic ssize_t efinet_get(struct iodesc *, void **, time_t); 47164010Smarcelstatic void efinet_init(struct iodesc *, void *); 48164010Smarcelstatic int efinet_match(struct netif *, void *); 49164010Smarcelstatic int efinet_probe(struct netif *, void *); 50329100Skevansstatic ssize_t efinet_put(struct iodesc *, void *, size_t); 51164010Smarcel 52292625Semastestruct netif_driver efinetif = { 53164010Smarcel .netif_bname = "efinet", 54164010Smarcel .netif_match = efinet_match, 55164010Smarcel .netif_probe = efinet_probe, 56164010Smarcel .netif_init = efinet_init, 57164010Smarcel .netif_get = efinet_get, 58164010Smarcel .netif_put = efinet_put, 59164010Smarcel .netif_end = efinet_end, 60164010Smarcel .netif_ifs = NULL, 61164010Smarcel .netif_nifs = 0 62164010Smarcel}; 63164010Smarcel 6493409Smarcel#ifdef EFINET_DEBUG 6593409Smarcelstatic void 6693409Smarceldump_mode(EFI_SIMPLE_NETWORK_MODE *mode) 6793409Smarcel{ 6893409Smarcel int i; 6993409Smarcel 7093409Smarcel printf("State = %x\n", mode->State); 7193409Smarcel printf("HwAddressSize = %u\n", mode->HwAddressSize); 7293409Smarcel printf("MediaHeaderSize = %u\n", mode->MediaHeaderSize); 7393409Smarcel printf("MaxPacketSize = %u\n", mode->MaxPacketSize); 7493409Smarcel printf("NvRamSize = %u\n", mode->NvRamSize); 7593409Smarcel printf("NvRamAccessSize = %u\n", mode->NvRamAccessSize); 7693409Smarcel printf("ReceiveFilterMask = %x\n", mode->ReceiveFilterMask); 7793409Smarcel printf("ReceiveFilterSetting = %u\n", mode->ReceiveFilterSetting); 7893409Smarcel printf("MaxMCastFilterCount = %u\n", mode->MaxMCastFilterCount); 7993409Smarcel printf("MCastFilterCount = %u\n", mode->MCastFilterCount); 8093409Smarcel printf("MCastFilter = {"); 8193409Smarcel for (i = 0; i < mode->MCastFilterCount; i++) 8293409Smarcel printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr)); 8393409Smarcel printf(" }\n"); 8493409Smarcel printf("CurrentAddress = %s\n", 8593409Smarcel ether_sprintf(mode->CurrentAddress.Addr)); 8693409Smarcel printf("BroadcastAddress = %s\n", 8793409Smarcel ether_sprintf(mode->BroadcastAddress.Addr)); 8893409Smarcel printf("PermanentAddress = %s\n", 8993409Smarcel ether_sprintf(mode->PermanentAddress.Addr)); 9093409Smarcel printf("IfType = %u\n", mode->IfType); 9193409Smarcel printf("MacAddressChangeable = %d\n", mode->MacAddressChangeable); 9293409Smarcel printf("MultipleTxSupported = %d\n", mode->MultipleTxSupported); 9393409Smarcel printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported); 9493409Smarcel printf("MediaPresent = %d\n", mode->MediaPresent); 9593409Smarcel} 9693409Smarcel#endif 9793409Smarcel 98164010Smarcelstatic int 9983828Sdfrefinet_match(struct netif *nif, void *machdep_hint) 10083828Sdfr{ 101277943Sambrisko struct devdesc *dev = machdep_hint; 10283828Sdfr 103300810Sjhb if (dev->d_unit == nif->nif_unit) 104277943Sambrisko return (1); 105277943Sambrisko return(0); 10683828Sdfr} 10783828Sdfr 108164010Smarcelstatic int 10983828Sdfrefinet_probe(struct netif *nif, void *machdep_hint) 11083828Sdfr{ 11183828Sdfr 11283828Sdfr return (0); 11383828Sdfr} 11483828Sdfr 115329100Skevansstatic ssize_t 11683828Sdfrefinet_put(struct iodesc *desc, void *pkt, size_t len) 11783828Sdfr{ 11893403Smarcel struct netif *nif = desc->io_netif; 11993403Smarcel EFI_SIMPLE_NETWORK *net; 12083828Sdfr EFI_STATUS status; 12193403Smarcel void *buf; 12283828Sdfr 12393403Smarcel net = nif->nif_devdata; 124300791Sjhb if (net == NULL) 125300791Sjhb return (-1); 12693403Smarcel 127329100Skevans status = net->Transmit(net, 0, len, pkt, NULL, NULL, NULL); 12893403Smarcel if (status != EFI_SUCCESS) 129164010Smarcel return (-1); 13093403Smarcel 13193403Smarcel /* Wait for the buffer to be transmitted */ 13293403Smarcel do { 133315221Spfg buf = NULL; /* XXX Is this needed? */ 134329100Skevans status = net->GetStatus(net, NULL, &buf); 135100389Speter /* 136292625Semaste * XXX EFI1.1 and the E1000 card returns a different 137100389Speter * address than we gave. Sigh. 138100389Speter */ 139315221Spfg } while (status == EFI_SUCCESS && buf == NULL); 14093403Smarcel 14193403Smarcel /* XXX How do we deal with status != EFI_SUCCESS now? */ 142164010Smarcel return ((status == EFI_SUCCESS) ? len : -1); 14383828Sdfr} 14483828Sdfr 145329100Skevansstatic ssize_t 146329100Skevansefinet_get(struct iodesc *desc, void **pkt, time_t timeout) 14783828Sdfr{ 14893403Smarcel struct netif *nif = desc->io_netif; 14993403Smarcel EFI_SIMPLE_NETWORK *net; 15083828Sdfr EFI_STATUS status; 15183828Sdfr UINTN bufsz; 15283828Sdfr time_t t; 153329100Skevans char *buf, *ptr; 154329100Skevans ssize_t ret = -1; 15583828Sdfr 15693403Smarcel net = nif->nif_devdata; 157300791Sjhb if (net == NULL) 158329100Skevans return (ret); 15993403Smarcel 160329100Skevans bufsz = net->Mode->MaxPacketSize + ETHER_HDR_LEN + ETHER_CRC_LEN; 161329100Skevans buf = malloc(bufsz + ETHER_ALIGN); 162329100Skevans if (buf == NULL) 163329100Skevans return (ret); 164329100Skevans ptr = buf + ETHER_ALIGN; 165329100Skevans 166329100Skevans t = getsecs(); 167329100Skevans while ((getsecs() - t) < timeout) { 168329100Skevans status = net->Receive(net, NULL, &bufsz, ptr, NULL, NULL, NULL); 169100389Speter if (status == EFI_SUCCESS) { 170329100Skevans *pkt = buf; 171329100Skevans ret = (ssize_t)bufsz; 172329100Skevans break; 173100389Speter } 17483828Sdfr if (status != EFI_NOT_READY) 175329100Skevans break; 17683828Sdfr } 17783828Sdfr 178329100Skevans if (ret == -1) 179329100Skevans free(buf); 180329100Skevans return (ret); 18183828Sdfr} 18283828Sdfr 183164010Smarcelstatic void 18483828Sdfrefinet_init(struct iodesc *desc, void *machdep_hint) 18583828Sdfr{ 18693403Smarcel struct netif *nif = desc->io_netif; 18793403Smarcel EFI_SIMPLE_NETWORK *net; 188164010Smarcel EFI_HANDLE h; 18993409Smarcel EFI_STATUS status; 19083828Sdfr 191295144Sandrew if (nif->nif_driver->netif_ifs[nif->nif_unit].dif_unit < 0) { 192295144Sandrew printf("Invalid network interface %d\n", nif->nif_unit); 193295144Sandrew return; 194295144Sandrew } 195295144Sandrew 196164010Smarcel h = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private; 197164010Smarcel status = BS->HandleProtocol(h, &sn_guid, (VOID **)&nif->nif_devdata); 198164010Smarcel if (status != EFI_SUCCESS) { 199300791Sjhb printf("net%d: cannot fetch interface data (status=%lu)\n", 200295144Sandrew nif->nif_unit, EFI_ERROR_CODE(status)); 201164010Smarcel return; 202164010Smarcel } 20383828Sdfr 204164010Smarcel net = nif->nif_devdata; 20593409Smarcel if (net->Mode->State == EfiSimpleNetworkStopped) { 20693409Smarcel status = net->Start(net); 20793409Smarcel if (status != EFI_SUCCESS) { 208329100Skevans printf("net%d: cannot start interface (status=%lu)\n", 209329100Skevans nif->nif_unit, EFI_ERROR_CODE(status)); 21093409Smarcel return; 21193409Smarcel } 21293409Smarcel } 21383828Sdfr 21493409Smarcel if (net->Mode->State != EfiSimpleNetworkInitialized) { 21593409Smarcel status = net->Initialize(net, 0, 0); 21693409Smarcel if (status != EFI_SUCCESS) { 217329100Skevans printf("net%d: cannot init. interface (status=%lu)\n", 218329100Skevans nif->nif_unit, EFI_ERROR_CODE(status)); 21993409Smarcel return; 22093409Smarcel } 22193409Smarcel } 22293409Smarcel 22393409Smarcel if (net->Mode->ReceiveFilterSetting == 0) { 22493409Smarcel UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST | 22593409Smarcel EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST; 22693409Smarcel 227329100Skevans status = net->ReceiveFilters(net, mask, 0, FALSE, 0, NULL); 22893409Smarcel if (status != EFI_SUCCESS) { 229329100Skevans printf("net%d: cannot set rx. filters (status=%lu)\n", 230329100Skevans nif->nif_unit, EFI_ERROR_CODE(status)); 23193409Smarcel return; 23293409Smarcel } 23393409Smarcel } 23493409Smarcel 23593409Smarcel#ifdef EFINET_DEBUG 23693409Smarcel dump_mode(net->Mode); 23793409Smarcel#endif 23893409Smarcel 23983828Sdfr bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6); 24083828Sdfr desc->xid = 1; 241164010Smarcel} 24283828Sdfr 243164010Smarcelstatic void 244164010Smarcelefinet_end(struct netif *nif) 245164010Smarcel{ 246292625Semaste EFI_SIMPLE_NETWORK *net = nif->nif_devdata; 247164010Smarcel 248300791Sjhb if (net == NULL) 249300791Sjhb return; 250300791Sjhb 251164010Smarcel net->Shutdown(net); 25283828Sdfr} 25383828Sdfr 254164010Smarcelstatic int efinet_dev_init(void); 255328889Skevansstatic int efinet_dev_print(int); 256164010Smarcel 257164010Smarcelstruct devsw efinet_dev = { 258164010Smarcel .dv_name = "net", 259164010Smarcel .dv_type = DEVT_NET, 260164010Smarcel .dv_init = efinet_dev_init, 261329100Skevans .dv_strategy = NULL, /* Will be set in efinet_dev_init */ 262329100Skevans .dv_open = NULL, /* Will be set in efinet_dev_init */ 263329100Skevans .dv_close = NULL, /* Will be set in efinet_dev_init */ 264164010Smarcel .dv_ioctl = noioctl, 265164010Smarcel .dv_print = efinet_dev_print, 266164010Smarcel .dv_cleanup = NULL 267164010Smarcel}; 268164010Smarcel 269164010Smarcelstatic int 270164010Smarcelefinet_dev_init() 27183828Sdfr{ 272164010Smarcel struct netif_dif *dif; 273164010Smarcel struct netif_stats *stats; 274300810Sjhb EFI_DEVICE_PATH *devpath, *node; 275300810Sjhb EFI_SIMPLE_NETWORK *net; 276300810Sjhb EFI_HANDLE *handles, *handles2; 277164010Smarcel EFI_STATUS status; 278164010Smarcel UINTN sz; 279164010Smarcel int err, i, nifs; 280329100Skevans extern struct devsw netdev; 28183828Sdfr 28283828Sdfr sz = 0; 283217067Smarcel handles = NULL; 284329100Skevans status = BS->LocateHandle(ByProtocol, &sn_guid, NULL, &sz, NULL); 285164010Smarcel if (status == EFI_BUFFER_TOO_SMALL) { 286164010Smarcel handles = (EFI_HANDLE *)malloc(sz); 287329100Skevans status = BS->LocateHandle(ByProtocol, &sn_guid, NULL, &sz, 288164010Smarcel handles); 289164010Smarcel if (EFI_ERROR(status)) 290164010Smarcel free(handles); 29183828Sdfr } 292164010Smarcel if (EFI_ERROR(status)) 293164010Smarcel return (efi_status_to_errno(status)); 294300810Sjhb handles2 = (EFI_HANDLE *)malloc(sz); 295329099Skevans if (handles2 == NULL) { 296329099Skevans free(handles); 297329099Skevans return (ENOMEM); 298329099Skevans } 299300810Sjhb nifs = 0; 300300810Sjhb for (i = 0; i < sz / sizeof(EFI_HANDLE); i++) { 301300810Sjhb devpath = efi_lookup_devpath(handles[i]); 302300810Sjhb if (devpath == NULL) 303300810Sjhb continue; 304329099Skevans if ((node = efi_devpath_last_node(devpath)) == NULL) 305329099Skevans continue; 306329099Skevans 307300810Sjhb if (DevicePathType(node) != MESSAGING_DEVICE_PATH || 308300810Sjhb DevicePathSubType(node) != MSG_MAC_ADDR_DP) 309300810Sjhb continue; 310300810Sjhb 311300810Sjhb /* 312300810Sjhb * Open the network device in exclusive mode. Without this 313300810Sjhb * we will be racing with the UEFI network stack. It will 314300810Sjhb * pull packets off the network leading to lost packets. 315300810Sjhb */ 316300810Sjhb status = BS->OpenProtocol(handles[i], &sn_guid, (void **)&net, 317329100Skevans IH, NULL, EFI_OPEN_PROTOCOL_EXCLUSIVE); 318300810Sjhb if (status != EFI_SUCCESS) { 319300810Sjhb printf("Unable to open network interface %d for " 320329100Skevans "exclusive access: %lu\n", i, 321329100Skevans EFI_ERROR_CODE(status)); 322300810Sjhb } 323300810Sjhb 324300810Sjhb handles2[nifs] = handles[i]; 325300810Sjhb nifs++; 326300810Sjhb } 327164010Smarcel free(handles); 328300810Sjhb if (nifs == 0) { 329329099Skevans err = ENOENT; 330329099Skevans goto done; 331300810Sjhb } 332300810Sjhb 333300810Sjhb err = efi_register_handles(&efinet_dev, handles2, NULL, nifs); 334329099Skevans if (err != 0) 335329099Skevans goto done; 33683828Sdfr 337164010Smarcel efinetif.netif_ifs = calloc(nifs, sizeof(struct netif_dif)); 338164010Smarcel stats = calloc(nifs, sizeof(struct netif_stats)); 339329099Skevans if (efinetif.netif_ifs == NULL || stats == NULL) { 340329099Skevans free(efinetif.netif_ifs); 341329099Skevans free(stats); 342329099Skevans efinetif.netif_ifs = NULL; 343329099Skevans err = ENOMEM; 344329099Skevans goto done; 345329099Skevans } 346329099Skevans efinetif.netif_nifs = nifs; 347164010Smarcel 34883828Sdfr for (i = 0; i < nifs; i++) { 349295144Sandrew 350164010Smarcel dif = &efinetif.netif_ifs[i]; 35183828Sdfr dif->dif_unit = i; 35283828Sdfr dif->dif_nsel = 1; 35383828Sdfr dif->dif_stats = &stats[i]; 354300810Sjhb dif->dif_private = handles2[i]; 35583828Sdfr } 356329100Skevans 357329100Skevans efinet_dev.dv_open = netdev.dv_open; 358329100Skevans efinet_dev.dv_close = netdev.dv_close; 359329100Skevans efinet_dev.dv_strategy = netdev.dv_strategy; 360329100Skevans 361329099Skevansdone: 362300810Sjhb free(handles2); 363329099Skevans return (err); 36483828Sdfr} 36583828Sdfr 366328889Skevansstatic int 367164010Smarcelefinet_dev_print(int verbose) 36883828Sdfr{ 369300782Sjhb CHAR16 *text; 370164010Smarcel EFI_HANDLE h; 371328889Skevans int unit, ret = 0; 37283828Sdfr 373328889Skevans printf("%s devices:", efinet_dev.dv_name); 374328889Skevans if ((ret = pager_output("\n")) != 0) 375328889Skevans return (ret); 376328889Skevans 377164010Smarcel for (unit = 0, h = efi_find_handle(&efinet_dev, 0); 378164010Smarcel h != NULL; h = efi_find_handle(&efinet_dev, ++unit)) { 379300782Sjhb printf(" %s%d:", efinet_dev.dv_name, unit); 380329011Skevans if (verbose) { 381329011Skevans text = efi_devpath_name(efi_lookup_devpath(h)); 382329011Skevans if (text != NULL) { 383329011Skevans printf(" %S", text); 384329011Skevans efi_free_devpath_name(text); 385329011Skevans } 386300782Sjhb } 387328889Skevans if ((ret = pager_output("\n")) != 0) 388300117Simp break; 389164010Smarcel } 390328889Skevans return (ret); 39183828Sdfr} 392