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[efi] Add an EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL interface

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This allegedly optional interface seems to be compulsory if you want
EFI's PXE code to bother trying to use your network interface.
This commit is contained in:
Michael Brown
2009-01-12 05:22:40 +00:00
parent cced04ef3b
commit aa86afe890
2 changed files with 98 additions and 0 deletions
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24
src/interface/efi/efi_snp.c
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@@ -30,6 +30,7 @@
#include <gpxe/efi/Protocol/PciIo.h>
#include <gpxe/efi/Protocol/SimpleNetwork.h>
#include <gpxe/efi/Protocol/ComponentName2.h>
#include <gpxe/efi/Protocol/NetworkInterfaceIdentifier.h>
#include <config/general.h>
/** @file
@@ -62,6 +63,8 @@ struct efi_snp_device {
unsigned int rx_count_interrupts;
/** Outstanding RX packet count (via WaitForPacket event) */
unsigned int rx_count_events;
/** The network interface identifier */
EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL nii;
/** Device name */
wchar_t name[ sizeof ( ( ( struct net_device * ) NULL )->name ) ];
/** The device path
@@ -88,6 +91,18 @@ static EFI_GUID efi_component_name2_protocol_guid
static EFI_GUID efi_device_path_protocol_guid
= EFI_DEVICE_PATH_PROTOCOL_GUID;
/** Efi network interface identifier GUID */
static EFI_GUID efi_nii_protocol_guid = {
/* No, this isn't the GUID defined as
* EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID in
* Protocol/NetworkInterfaceIdentifier.h. That GUID gets
* ignored by the EFI network stack. You have to use this one
* instead.
*/
0x1ACED566, 0x76ED, 0x4218,
{ 0xBC, 0x81, 0x76, 0x7F, 0x1F, 0x97, 0x7A, 0x89 }
};
/** EFI PCI I/O protocol GUID */
static EFI_GUID efi_pci_io_protocol_guid
= EFI_PCI_IO_PROTOCOL_GUID;
@@ -936,6 +951,12 @@ efi_snp_driver_start ( EFI_DRIVER_BINDING_PROTOCOL *driver,
snpdev->mode.State = EfiSimpleNetworkStopped;
efi_snp_set_mode ( snpdev );
/* Populate the NII structure */
snpdev->nii.Revision =
EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION;
strncpy ( snpdev->nii.StringId, "gPXE",
sizeof ( snpdev->nii.StringId ) );
/* Populate the device name */
for ( i = 0 ; i < sizeof ( netdev->name ) ; i++ ) {
/* Damn Unicode names */
@@ -965,6 +986,7 @@ efi_snp_driver_start ( EFI_DRIVER_BINDING_PROTOCOL *driver,
&snpdev->handle,
&efi_simple_network_protocol_guid, &snpdev->snp,
&efi_device_path_protocol_guid, &snpdev->path,
&efi_nii_protocol_guid, &snpdev->nii,
NULL ) ) != 0 ) {
DBGC ( snpdev, "SNPDEV %p could not install protocols: "
"%s\n", snpdev, efi_strerror ( efirc ) );
@@ -979,6 +1001,7 @@ efi_snp_driver_start ( EFI_DRIVER_BINDING_PROTOCOL *driver,
snpdev->handle,
&efi_simple_network_protocol_guid, &snpdev->snp,
&efi_device_path_protocol_guid, &snpdev->path,
&efi_nii_protocol_guid, &snpdev->nii,
NULL );
err_install_protocol_interface:
bs->CloseEvent ( snpdev->snp.WaitForPacket );
@@ -1027,6 +1050,7 @@ efi_snp_driver_stop ( EFI_DRIVER_BINDING_PROTOCOL *driver,
snpdev->handle,
&efi_simple_network_protocol_guid, &snpdev->snp,
&efi_device_path_protocol_guid, &snpdev->path,
&efi_nii_protocol_guid, &snpdev->nii,
NULL );
bs->CloseEvent ( snpdev->snp.WaitForPacket );
netdev_put ( snpdev->netdev );