diff options
Diffstat (limited to 'qemu/roms/ipxe/src/net/netdev_settings.c')
| -rw-r--r-- | qemu/roms/ipxe/src/net/netdev_settings.c | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/qemu/roms/ipxe/src/net/netdev_settings.c b/qemu/roms/ipxe/src/net/netdev_settings.c deleted file mode 100644 index edd4c4b9f..000000000 --- a/qemu/roms/ipxe/src/net/netdev_settings.c +++ /dev/null @@ -1,356 +0,0 @@ -/* - * 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., 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 ); - -#include <string.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/dhcp.h> -#include <ipxe/dhcpopts.h> -#include <ipxe/settings.h> -#include <ipxe/device.h> -#include <ipxe/netdevice.h> -#include <ipxe/init.h> - -/** @file - * - * Network device configuration settings - * - */ - -/** Network device predefined settings */ -const struct setting mac_setting __setting ( SETTING_NETDEV, mac ) = { - .name = "mac", - .description = "MAC address", - .type = &setting_type_hex, -}; -const struct setting bustype_setting __setting ( SETTING_NETDEV, bustype ) = { - .name = "bustype", - .description = "Bus type", - .type = &setting_type_string, -}; -const struct setting busloc_setting __setting ( SETTING_NETDEV, busloc ) = { - .name = "busloc", - .description = "Bus location", - .type = &setting_type_uint32, -}; -const struct setting busid_setting __setting ( SETTING_NETDEV, busid ) = { - .name = "busid", - .description = "Bus ID", - .type = &setting_type_hex, -}; -const struct setting chip_setting __setting ( SETTING_NETDEV, chip ) = { - .name = "chip", - .description = "Chip", - .type = &setting_type_string, -}; - -/** - * Store MAC address setting - * - * @v netdev Network device - * @v data Setting data, or NULL to clear setting - * @v len Length of setting data - * @ret rc Return status code - */ -static int netdev_store_mac ( struct net_device *netdev, - const void *data, size_t len ) { - struct ll_protocol *ll_protocol = netdev->ll_protocol; - - /* Record new MAC address */ - if ( data ) { - if ( len != netdev->ll_protocol->ll_addr_len ) - return -EINVAL; - memcpy ( netdev->ll_addr, data, len ); - } else { - /* Reset MAC address if clearing setting */ - ll_protocol->init_addr ( netdev->hw_addr, netdev->ll_addr ); - } - - return 0; -} - -/** - * Fetch MAC address setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int netdev_fetch_mac ( struct net_device *netdev, void *data, - size_t len ) { - - 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; -} - -/** - * Fetch bus type setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int netdev_fetch_bustype ( struct net_device *netdev, void *data, - size_t len ) { - static const char *bustypes[] = { - [BUS_TYPE_PCI] = "PCI", - [BUS_TYPE_ISAPNP] = "ISAPNP", - [BUS_TYPE_EISA] = "EISA", - [BUS_TYPE_MCA] = "MCA", - [BUS_TYPE_ISA] = "ISA", - [BUS_TYPE_TAP] = "TAP", - [BUS_TYPE_EFI] = "EFI", - [BUS_TYPE_XEN] = "XEN", - [BUS_TYPE_HV] = "HV", - [BUS_TYPE_USB] = "USB", - }; - struct device_description *desc = &netdev->dev->desc; - const char *bustype; - - assert ( desc->bus_type < ( sizeof ( bustypes ) / - sizeof ( bustypes[0] ) ) ); - bustype = bustypes[desc->bus_type]; - assert ( bustype != NULL ); - strncpy ( data, bustype, len ); - return strlen ( bustype ); -} - -/** - * Fetch bus location setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int netdev_fetch_busloc ( struct net_device *netdev, void *data, - size_t len ) { - struct device_description *desc = &netdev->dev->desc; - uint32_t busloc; - - busloc = cpu_to_be32 ( desc->location ); - if ( len > sizeof ( busloc ) ) - len = sizeof ( busloc ); - memcpy ( data, &busloc, len ); - return sizeof ( busloc ); -} - -/** - * Fetch bus ID setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int netdev_fetch_busid ( struct net_device *netdev, void *data, - size_t len ) { - struct device_description *desc = &netdev->dev->desc; - struct dhcp_netdev_desc dhcp_desc; - - dhcp_desc.type = desc->bus_type; - dhcp_desc.vendor = htons ( desc->vendor ); - dhcp_desc.device = htons ( desc->device ); - if ( len > sizeof ( dhcp_desc ) ) - len = sizeof ( dhcp_desc ); - memcpy ( data, &dhcp_desc, len ); - return sizeof ( dhcp_desc ); -} - -/** - * Fetch chip setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -static int netdev_fetch_chip ( struct net_device *netdev, void *data, - size_t len ) { - const char *chip = netdev->dev->driver_name; - - strncpy ( data, chip, len ); - return strlen ( chip ); -} - -/** A network device setting operation */ -struct netdev_setting_operation { - /** Setting */ - const struct setting *setting; - /** Store setting (or NULL if not supported) - * - * @v netdev Network device - * @v data Setting data, or NULL to clear setting - * @v len Length of setting data - * @ret rc Return status code - */ - int ( * store ) ( struct net_device *netdev, const void *data, - size_t len ); - /** Fetch setting - * - * @v netdev Network device - * @v data Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ - int ( * fetch ) ( struct net_device *netdev, void *data, size_t len ); -}; - -/** Network device settings */ -static struct netdev_setting_operation netdev_setting_operations[] = { - { &mac_setting, netdev_store_mac, netdev_fetch_mac }, - { &bustype_setting, NULL, netdev_fetch_bustype }, - { &busloc_setting, NULL, netdev_fetch_busloc }, - { &busid_setting, NULL, netdev_fetch_busid }, - { &chip_setting, NULL, netdev_fetch_chip }, -}; - -/** - * 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, - const struct setting *setting, - const void *data, size_t len ) { - struct net_device *netdev = container_of ( settings, struct net_device, - settings.settings ); - struct netdev_setting_operation *op; - unsigned int i; - - /* Handle network device-specific settings */ - for ( i = 0 ; i < ( sizeof ( netdev_setting_operations ) / - sizeof ( netdev_setting_operations[0] ) ) ; i++ ) { - op = &netdev_setting_operations[i]; - if ( setting_cmp ( setting, op->setting ) == 0 ) { - if ( op->store ) { - return op->store ( netdev, data, len ); - } else { - return -ENOTSUP; - } - } - } - - 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 Buffer to fill with setting data - * @v len Length of buffer - * @ret len Length of setting data, or negative error - */ -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 ); - struct netdev_setting_operation *op; - unsigned int i; - - /* Handle network device-specific settings */ - for ( i = 0 ; i < ( sizeof ( netdev_setting_operations ) / - sizeof ( netdev_setting_operations[0] ) ) ; i++ ) { - op = &netdev_setting_operations[i]; - if ( setting_cmp ( setting, op->setting ) == 0 ) - return op->fetch ( netdev, data, 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, -}; - -/** - * Redirect "netX" settings block - * - * @v settings Settings block - * @ret settings Underlying settings block - */ -static struct settings * netdev_redirect ( struct settings *settings ) { - struct net_device *netdev; - - /* Redirect to most recently opened network device */ - netdev = last_opened_netdev(); - if ( netdev ) { - return netdev_settings ( netdev ); - } else { - return settings; - } -} - -/** "netX" settings operations */ -static struct settings_operations netdev_redirect_settings_operations = { - .redirect = netdev_redirect, -}; - -/** "netX" settings */ -static struct settings netdev_redirect_settings = { - .refcnt = NULL, - .siblings = LIST_HEAD_INIT ( netdev_redirect_settings.siblings ), - .children = LIST_HEAD_INIT ( netdev_redirect_settings.children ), - .op = &netdev_redirect_settings_operations, -}; - -/** Initialise "netX" settings */ -static void netdev_redirect_settings_init ( void ) { - int rc; - - if ( ( rc = register_settings ( &netdev_redirect_settings, NULL, - "netX" ) ) != 0 ) { - DBG ( "Could not register netX settings: %s\n", - strerror ( rc ) ); - return; - } -} - -/** "netX" settings initialiser */ -struct init_fn netdev_redirect_settings_init_fn __init_fn ( INIT_LATE ) = { - .initialise = netdev_redirect_settings_init, -}; |