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efinet.c revision 1.2.2.3
      1  1.2.2.3  kardel /*	$NetBSD: efinet.c,v 1.2.2.3 2006/06/01 22:34:54 kardel Exp $	*/
      2  1.2.2.2  simonb 
      3  1.2.2.2  simonb /*-
      4  1.2.2.2  simonb  * Copyright (c) 2001 Doug Rabson
      5  1.2.2.2  simonb  * All rights reserved.
      6  1.2.2.2  simonb  *
      7  1.2.2.2  simonb  * Redistribution and use in source and binary forms, with or without
      8  1.2.2.2  simonb  * modification, are permitted provided that the following conditions
      9  1.2.2.2  simonb  * are met:
     10  1.2.2.2  simonb  * 1. Redistributions of source code must retain the above copyright
     11  1.2.2.2  simonb  *    notice, this list of conditions and the following disclaimer.
     12  1.2.2.2  simonb  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.2.2.2  simonb  *    notice, this list of conditions and the following disclaimer in the
     14  1.2.2.2  simonb  *    documentation and/or other materials provided with the distribution.
     15  1.2.2.2  simonb  *
     16  1.2.2.2  simonb  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.2.2.2  simonb  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.2.2.2  simonb  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.2.2.2  simonb  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.2.2.2  simonb  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.2.2.2  simonb  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.2.2.2  simonb  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.2.2.2  simonb  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.2.2.2  simonb  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.2.2.2  simonb  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.2.2.2  simonb  * SUCH DAMAGE.
     27  1.2.2.2  simonb  */
     28  1.2.2.2  simonb 
     29  1.2.2.2  simonb #include <sys/cdefs.h>
     30  1.2.2.3  kardel /* __FBSDID("$FreeBSD: src/sys/boot/efi/libefi/efinet.c,v 1.6 2004/01/04 23:28:16 obrien Exp $"); */
     31  1.2.2.2  simonb 
     32  1.2.2.2  simonb #include <sys/param.h>
     33  1.2.2.2  simonb #include <netinet/in.h>
     34  1.2.2.2  simonb #include <netinet/in_systm.h>
     35  1.2.2.2  simonb 
     36  1.2.2.2  simonb #include <lib/libsa/stand.h>
     37  1.2.2.2  simonb #include <net.h>
     38  1.2.2.2  simonb #include <netif.h>
     39  1.2.2.2  simonb 
     40  1.2.2.2  simonb #include <efi.h>
     41  1.2.2.2  simonb #include <efilib.h>
     42  1.2.2.2  simonb 
     43  1.2.2.2  simonb extern struct netif_driver efi_net;
     44  1.2.2.2  simonb 
     45  1.2.2.2  simonb #ifdef EFINET_DEBUG
     46  1.2.2.2  simonb static void
     47  1.2.2.2  simonb dump_mode(EFI_SIMPLE_NETWORK_MODE *mode)
     48  1.2.2.2  simonb {
     49  1.2.2.2  simonb 	int i;
     50  1.2.2.2  simonb 
     51  1.2.2.2  simonb 	printf("State                 = %x\n", mode->State);
     52  1.2.2.2  simonb 	printf("HwAddressSize         = %u\n", mode->HwAddressSize);
     53  1.2.2.2  simonb 	printf("MediaHeaderSize       = %u\n", mode->MediaHeaderSize);
     54  1.2.2.2  simonb 	printf("MaxPacketSize         = %u\n", mode->MaxPacketSize);
     55  1.2.2.2  simonb 	printf("NvRamSize             = %u\n", mode->NvRamSize);
     56  1.2.2.2  simonb 	printf("NvRamAccessSize       = %u\n", mode->NvRamAccessSize);
     57  1.2.2.2  simonb 	printf("ReceiveFilterMask     = %x\n", mode->ReceiveFilterMask);
     58  1.2.2.2  simonb 	printf("ReceiveFilterSetting  = %u\n", mode->ReceiveFilterSetting);
     59  1.2.2.2  simonb 	printf("MaxMCastFilterCount   = %u\n", mode->MaxMCastFilterCount);
     60  1.2.2.2  simonb 	printf("MCastFilterCount      = %u\n", mode->MCastFilterCount);
     61  1.2.2.2  simonb 	printf("MCastFilter           = {");
     62  1.2.2.2  simonb 	for (i = 0; i < mode->MCastFilterCount; i++)
     63  1.2.2.2  simonb 		printf(" %s", ether_sprintf(mode->MCastFilter[i].Addr));
     64  1.2.2.2  simonb 	printf(" }\n");
     65  1.2.2.2  simonb 	printf("CurrentAddress        = %s\n",
     66  1.2.2.2  simonb 	    ether_sprintf(mode->CurrentAddress.Addr));
     67  1.2.2.2  simonb 	printf("BroadcastAddress      = %s\n",
     68  1.2.2.2  simonb 	    ether_sprintf(mode->BroadcastAddress.Addr));
     69  1.2.2.2  simonb 	printf("PermanentAddress      = %s\n",
     70  1.2.2.2  simonb 	    ether_sprintf(mode->PermanentAddress.Addr));
     71  1.2.2.2  simonb 	printf("IfType                = %u\n", mode->IfType);
     72  1.2.2.2  simonb 	printf("MacAddressChangeable  = %d\n", mode->MacAddressChangeable);
     73  1.2.2.2  simonb 	printf("MultipleTxSupported   = %d\n", mode->MultipleTxSupported);
     74  1.2.2.2  simonb 	printf("MediaPresentSupported = %d\n", mode->MediaPresentSupported);
     75  1.2.2.2  simonb 	printf("MediaPresent          = %d\n", mode->MediaPresent);
     76  1.2.2.2  simonb }
     77  1.2.2.2  simonb #endif
     78  1.2.2.2  simonb 
     79  1.2.2.2  simonb int
     80  1.2.2.2  simonb efinet_match(struct netif *nif, void *machdep_hint)
     81  1.2.2.2  simonb {
     82  1.2.2.2  simonb 
     83  1.2.2.2  simonb 	return (1);
     84  1.2.2.2  simonb }
     85  1.2.2.2  simonb 
     86  1.2.2.2  simonb int
     87  1.2.2.2  simonb efinet_probe(struct netif *nif, void *machdep_hint)
     88  1.2.2.2  simonb {
     89  1.2.2.2  simonb 
     90  1.2.2.2  simonb 	return (0);
     91  1.2.2.2  simonb }
     92  1.2.2.2  simonb 
     93  1.2.2.2  simonb int
     94  1.2.2.2  simonb efinet_put(struct iodesc *desc, void *pkt, size_t len)
     95  1.2.2.2  simonb {
     96  1.2.2.2  simonb 	struct netif *nif = desc->io_netif;
     97  1.2.2.2  simonb 	EFI_SIMPLE_NETWORK *net;
     98  1.2.2.2  simonb 	EFI_STATUS status;
     99  1.2.2.2  simonb 	void *buf;
    100  1.2.2.2  simonb 
    101  1.2.2.2  simonb 	net = nif->nif_devdata;
    102  1.2.2.2  simonb 
    103  1.2.2.2  simonb 	status = net->Transmit(net, 0, len, pkt, 0, 0, 0);
    104  1.2.2.2  simonb 	if (status != EFI_SUCCESS)
    105  1.2.2.2  simonb 		return -1;
    106  1.2.2.2  simonb 
    107  1.2.2.2  simonb 	/* Wait for the buffer to be transmitted */
    108  1.2.2.2  simonb 	do {
    109  1.2.2.2  simonb 		buf = 0;	/* XXX Is this needed? */
    110  1.2.2.2  simonb 		status = net->GetStatus(net, 0, &buf);
    111  1.2.2.2  simonb 		/*
    112  1.2.2.2  simonb 		 * XXX EFI1.1 and the E1000 card returns a different
    113  1.2.2.2  simonb 		 * address than we gave.  Sigh.
    114  1.2.2.2  simonb 		 */
    115  1.2.2.2  simonb 	} while (status == EFI_SUCCESS && buf == 0);
    116  1.2.2.2  simonb 
    117  1.2.2.2  simonb 	/* XXX How do we deal with status != EFI_SUCCESS now? */
    118  1.2.2.2  simonb 	return (status == EFI_SUCCESS) ? len : -1;
    119  1.2.2.2  simonb }
    120  1.2.2.2  simonb 
    121  1.2.2.2  simonb 
    122  1.2.2.2  simonb int
    123  1.2.2.2  simonb efinet_get(struct iodesc *desc, void *pkt, size_t len, time_t timeout)
    124  1.2.2.2  simonb {
    125  1.2.2.2  simonb 	struct netif *nif = desc->io_netif;
    126  1.2.2.2  simonb 	EFI_SIMPLE_NETWORK *net;
    127  1.2.2.2  simonb 	EFI_STATUS status;
    128  1.2.2.2  simonb 	UINTN bufsz;
    129  1.2.2.2  simonb 	time_t t;
    130  1.2.2.2  simonb 	char buf[2048];
    131  1.2.2.2  simonb 
    132  1.2.2.2  simonb 	net = nif->nif_devdata;
    133  1.2.2.2  simonb 
    134  1.2.2.2  simonb 	t = time(0);
    135  1.2.2.2  simonb 	while ((time(0) - t) < timeout) {
    136  1.2.2.2  simonb 		bufsz = sizeof(buf);
    137  1.2.2.2  simonb 		status = net->Receive(net, 0, &bufsz, buf, 0, 0, 0);
    138  1.2.2.2  simonb 		if (status == EFI_SUCCESS) {
    139  1.2.2.2  simonb 			/*
    140  1.2.2.2  simonb 			 * XXX EFI1.1 and the E1000 card trash our
    141  1.2.2.2  simonb 			 * workspace if we do not do this silly copy.
    142  1.2.2.2  simonb 			 * Either they are not respecting the len
    143  1.2.2.2  simonb 			 * value or do not like the alignment.
    144  1.2.2.2  simonb 			 */
    145  1.2.2.2  simonb 			if (bufsz > len)
    146  1.2.2.2  simonb 				bufsz = len;
    147  1.2.2.2  simonb 			bcopy(buf, pkt, bufsz);
    148  1.2.2.2  simonb 			return bufsz;
    149  1.2.2.2  simonb 		}
    150  1.2.2.2  simonb 		if (status != EFI_NOT_READY)
    151  1.2.2.2  simonb 			return 0;
    152  1.2.2.2  simonb 	}
    153  1.2.2.2  simonb 
    154  1.2.2.2  simonb 	return 0;
    155  1.2.2.2  simonb }
    156  1.2.2.2  simonb 
    157  1.2.2.2  simonb void
    158  1.2.2.2  simonb efinet_init(struct iodesc *desc, void *machdep_hint)
    159  1.2.2.2  simonb {
    160  1.2.2.2  simonb 	struct netif *nif = desc->io_netif;
    161  1.2.2.2  simonb 	EFI_SIMPLE_NETWORK *net;
    162  1.2.2.2  simonb 	EFI_STATUS status;
    163  1.2.2.2  simonb 
    164  1.2.2.2  simonb 	net = nif->nif_driver->netif_ifs[nif->nif_unit].dif_private;
    165  1.2.2.2  simonb 	nif->nif_devdata = net;
    166  1.2.2.2  simonb 
    167  1.2.2.2  simonb 	if (net->Mode->State == EfiSimpleNetworkStopped) {
    168  1.2.2.2  simonb 		status = net->Start(net);
    169  1.2.2.2  simonb 		if (status != EFI_SUCCESS) {
    170  1.2.2.2  simonb 			printf("net%d: cannot start interface (status=%ld)\n",
    171  1.2.2.2  simonb 			    nif->nif_unit, status);
    172  1.2.2.2  simonb 			return;
    173  1.2.2.2  simonb 		}
    174  1.2.2.2  simonb 	}
    175  1.2.2.2  simonb 
    176  1.2.2.2  simonb 	if (net->Mode->State != EfiSimpleNetworkInitialized) {
    177  1.2.2.2  simonb 		status = net->Initialize(net, 0, 0);
    178  1.2.2.2  simonb 		if (status != EFI_SUCCESS) {
    179  1.2.2.2  simonb 			printf("net%d: cannot init. interface (status=%ld)\n",
    180  1.2.2.2  simonb 			    nif->nif_unit, status);
    181  1.2.2.2  simonb 			return;
    182  1.2.2.2  simonb 		}
    183  1.2.2.2  simonb 	}
    184  1.2.2.2  simonb 
    185  1.2.2.2  simonb 	if (net->Mode->ReceiveFilterSetting == 0) {
    186  1.2.2.2  simonb 		UINT32 mask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
    187  1.2.2.2  simonb 		    EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
    188  1.2.2.2  simonb 
    189  1.2.2.2  simonb 		status = net->ReceiveFilters(net, mask, 0, FALSE, 0, 0);
    190  1.2.2.2  simonb 		if (status != EFI_SUCCESS) {
    191  1.2.2.2  simonb 			printf("net%d: cannot set rx. filters (status=%ld)\n",
    192  1.2.2.2  simonb 			    nif->nif_unit, status);
    193  1.2.2.2  simonb 			return;
    194  1.2.2.2  simonb 		}
    195  1.2.2.2  simonb 	}
    196  1.2.2.2  simonb 
    197  1.2.2.2  simonb #ifdef EFINET_DEBUG
    198  1.2.2.2  simonb 	dump_mode(net->Mode);
    199  1.2.2.2  simonb #endif
    200  1.2.2.2  simonb 
    201  1.2.2.2  simonb 	bcopy(net->Mode->CurrentAddress.Addr, desc->myea, 6);
    202  1.2.2.2  simonb 	desc->xid = 1;
    203  1.2.2.2  simonb 
    204  1.2.2.2  simonb 	return;
    205  1.2.2.2  simonb }
    206  1.2.2.2  simonb 
    207  1.2.2.2  simonb void
    208  1.2.2.2  simonb efinet_init_driver()
    209  1.2.2.2  simonb {
    210  1.2.2.2  simonb 	EFI_STATUS	status;
    211  1.2.2.2  simonb 	UINTN		sz;
    212  1.2.2.2  simonb 	static EFI_GUID netid = EFI_SIMPLE_NETWORK_PROTOCOL;
    213  1.2.2.2  simonb 	EFI_HANDLE	*handles;
    214  1.2.2.2  simonb 	int		nifs, i;
    215  1.2.2.2  simonb #define MAX_INTERFACES	4
    216  1.2.2.2  simonb 	static struct netif_dif difs[MAX_INTERFACES];
    217  1.2.2.2  simonb 	static struct netif_stats stats[MAX_INTERFACES];
    218  1.2.2.2  simonb 
    219  1.2.2.2  simonb 	sz = 0;
    220  1.2.2.2  simonb 	status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, 0);
    221  1.2.2.2  simonb 	if (status != EFI_BUFFER_TOO_SMALL)
    222  1.2.2.2  simonb 		return;
    223  1.2.2.2  simonb 	handles = (EFI_HANDLE *) alloc(sz);
    224  1.2.2.2  simonb 	status = BS->LocateHandle(ByProtocol, &netid, 0, &sz, handles);
    225  1.2.2.2  simonb 	if (EFI_ERROR(status)) {
    226  1.2.2.2  simonb 		free(handles, sz);
    227  1.2.2.2  simonb 		return;
    228  1.2.2.2  simonb 	}
    229  1.2.2.2  simonb 
    230  1.2.2.2  simonb 	nifs = sz / sizeof(EFI_HANDLE);
    231  1.2.2.2  simonb 	if (nifs > MAX_INTERFACES)
    232  1.2.2.2  simonb 		nifs = MAX_INTERFACES;
    233  1.2.2.2  simonb 
    234  1.2.2.2  simonb 	efi_net.netif_nifs = nifs;
    235  1.2.2.2  simonb 	efi_net.netif_ifs = difs;
    236  1.2.2.2  simonb 
    237  1.2.2.2  simonb 	bzero(stats, sizeof(stats));
    238  1.2.2.2  simonb 	for (i = 0; i < nifs; i++) {
    239  1.2.2.2  simonb 		struct netif_dif *dif = &efi_net.netif_ifs[i];
    240  1.2.2.2  simonb 		dif->dif_unit = i;
    241  1.2.2.2  simonb 		dif->dif_nsel = 1;
    242  1.2.2.2  simonb 		dif->dif_stats = &stats[i];
    243  1.2.2.2  simonb 
    244  1.2.2.2  simonb 		BS->HandleProtocol(handles[i], &netid,
    245  1.2.2.2  simonb 				   (VOID**) &dif->dif_private);
    246  1.2.2.2  simonb 	}
    247  1.2.2.2  simonb 
    248  1.2.2.2  simonb 	return;
    249  1.2.2.2  simonb }
    250  1.2.2.2  simonb 
    251  1.2.2.2  simonb void
    252  1.2.2.2  simonb efinet_end(struct netif *nif)
    253  1.2.2.2  simonb {
    254  1.2.2.2  simonb 	EFI_SIMPLE_NETWORK *net = nif->nif_devdata;
    255  1.2.2.2  simonb 
    256  1.2.2.2  simonb 	net->Shutdown(net);
    257  1.2.2.2  simonb }
    258  1.2.2.2  simonb 
    259  1.2.2.2  simonb struct netif_driver efi_net = {
    260  1.2.2.2  simonb 	"net",			/* netif_bname */
    261  1.2.2.2  simonb 	efinet_match,		/* netif_match */
    262  1.2.2.2  simonb 	efinet_probe,		/* netif_probe */
    263  1.2.2.2  simonb 	efinet_init,		/* netif_init */
    264  1.2.2.2  simonb 	efinet_get,		/* netif_get */
    265  1.2.2.2  simonb 	efinet_put,		/* netif_put */
    266  1.2.2.2  simonb 	efinet_end,		/* netif_end */
    267  1.2.2.2  simonb 	0,			/* netif_ifs */
    268  1.2.2.2  simonb 	0			/* netif_nifs */
    269  1.2.2.2  simonb };
    270  1.2.2.2  simonb 
    271