snp.c

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/*
 * Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 * You can also choose to distribute this program under the terms of
 * the Unmodified Binary Distribution Licence (as given in the file
 * COPYING.UBDL), provided that you have satisfied its requirements.
 */
 
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
FILE_SECBOOT ( PERMITTED );
 
#include <ipxe/efi/efi.h>
#include <ipxe/efi/efi_driver.h>
#include "snpnet.h"
#include "nii.h"
 
/** @file
 *
 * SNP driver
 *
 */
 
/**
 * Check to see if driver supports a device
 *
 * @v device            EFI device handle
 * @ret rc              Return status code
 */
static int snp_supported ( EFI_HANDLE device ) {
        EFI_GUID *protocol = &efi_simple_network_protocol_guid;
 
        return snpnet_supported ( device, protocol, 1 );
}
 
/**
 * Check to see if driver supports a device
 *
 * @v device            EFI device handle
 * @ret rc              Return status code
 */
static int nii_supported ( EFI_HANDLE device ) {
        EFI_GUID *protocol = &efi_nii31_protocol_guid;
 
        return snpnet_supported ( device, protocol, 1 );
}
 
/** EFI SNP driver */
struct efi_driver snp_driver __efi_driver ( EFI_DRIVER_SNP ) = {
        .name = "SNP",
        .supported = snp_supported,
        .exclude = snpnet_exclude,
        .start = snpnet_start,
        .stop = snpnet_stop,
};
 
/** EFI NII driver */
struct efi_driver nii_driver __efi_driver ( EFI_DRIVER_NII ) = {
        .name = "NII",
        .supported = nii_supported,
        .exclude = nii_exclude,
        .start = nii_start,
        .stop = nii_stop,
};
 
/** Drag in MNP driver */
REQUIRING_SYMBOL ( snp_driver );
REQUIRE_SYMBOL ( mnp_driver );
 
/* Generate build rules */
EFI_ROM ( "snp", "Simple Network Protocol NIC" );