diff options
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/net/netdev_settings.c')
-rw-r--r-- | debian/grub-extras/disabled/gpxe/src/net/netdev_settings.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/net/netdev_settings.c b/debian/grub-extras/disabled/gpxe/src/net/netdev_settings.c new file mode 100644 index 0000000..b9220f5 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/net/netdev_settings.c @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2008 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <string.h> +#include <errno.h> +#include <gpxe/dhcp.h> +#include <gpxe/settings.h> +#include <gpxe/netdevice.h> + +/** @file + * + * Network device configuration settings + * + */ + +/** Network device named settings */ +struct setting mac_setting __setting = { + .name = "mac", + .description = "MAC address", + .type = &setting_type_hex, +}; + +/** + * Store value of network device setting + * + * @v settings Settings block + * @v setting Setting to store + * @v data Setting data, or NULL to clear setting + * @v len Length of setting data + * @ret rc Return status code + */ +static int netdev_store ( struct settings *settings, struct setting *setting, + const void *data, size_t len ) { + struct net_device *netdev = container_of ( settings, struct net_device, + settings.settings ); + + if ( setting_cmp ( setting, &mac_setting ) == 0 ) { + if ( len != netdev->ll_protocol->ll_addr_len ) + return -EINVAL; + memcpy ( netdev->ll_addr, data, len ); + return 0; + } + + return generic_settings_store ( settings, setting, data, len ); +} + +/** + * Fetch value of network device setting + * + * @v settings Settings block + * @v setting Setting to fetch + * @v data Setting data, or NULL to clear setting + * @v len Length of setting data + * @ret rc Return status code + */ +static int netdev_fetch ( struct settings *settings, struct setting *setting, + void *data, size_t len ) { + struct net_device *netdev = container_of ( settings, struct net_device, + settings.settings ); + + if ( setting_cmp ( setting, &mac_setting ) == 0 ) { + if ( len > netdev->ll_protocol->ll_addr_len ) + len = netdev->ll_protocol->ll_addr_len; + memcpy ( data, netdev->ll_addr, len ); + return netdev->ll_protocol->ll_addr_len; + } + + return generic_settings_fetch ( settings, setting, data, len ); +} + +/** + * Clear network device settings + * + * @v settings Settings block + */ +static void netdev_clear ( struct settings *settings ) { + generic_settings_clear ( settings ); +} + +/** Network device configuration settings operations */ +struct settings_operations netdev_settings_operations = { + .store = netdev_store, + .fetch = netdev_fetch, + .clear = netdev_clear, +}; |