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Kernel-Config-E
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Similar to the Config-Environment which stores compile options to build FRITZ!OS the Kernel-Config stores compile options to build the respective Kernel. Unlike the Config-Environment which is accessible as shell variables there is no direct way to access the Kernel-Config. However, there's a nice mechanism called IKCONFIG (Included Kernel-Config, CONFIG_IKCONFIG)[1] which permits to embed the compressed Kernel-Config in the kernel binary. IKCONFIG can be located in the decompressed kernel binary by its signatures and can be accessed from the running kernel at /proc/config.gz, if CONFIG_IKCONFIG_PROC is enabled. Unfortunately AVM only uses this feature for nearly 40 models. Thanks! Enough to create this section, but not representing all current Box-Models.
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Kernel-Config[edit]
Kernel-Config variables starting with 'CONFIG_E'
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Dear AVM: Please activate CONFIG_IKCONFIG for all kernels and modules.builtin (ascii) in rootfs to help developers. Thanks!
Daily updated index of all kernel config variables found scanning Firmware-Probes . Last update: 2024-12-20 05:11 GMT.
The label (kerncfg) in the Variable column shows there are other objects in this wiki using this name.
The Mod column shows the amount of models using the respective variable. Click the column header to sort by this number.
| Variable | Mod | Firmware | Value | Description | Kernel | Origin |
|---|---|---|---|---|---|---|
| CONFIG_E100 | 4 | 7.04 - 8.00 | y | Intel PRO/100+ support (e100.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_E1000 | 5 | 7.04 - 8.00 | y | Intel PRO/1000 Gigabit Ethernet support (e1000.ko) | 2.6.39.4 - 5.15.153 | Linux |
| CONFIG_E1000E | 6 | 7.04 - 8.00 | m, y | Intel PRO/1000 PCI-Express Gigabit Ethernet support (e1000e.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_E1000E_HWTS | 4 | 7.14 - 8.00 | y | Support HW cross-timestamp on PCH devices | 4.9.175 - 5.15.153 | Linux |
| CONFIG_EARLY_PRINTK | 40 | 5.05 - 8.00 | y | Early printk (early-printk.ko, early_printk.ko, malta-console.ko, vmlinux.ko) | 2.6.32.21 - 5.15.153 | Linux |
| CONFIG_ECHO | 3 | 7.14 - 7.57 | y | Line Echo Canceller support (echo.ko) | 4.9.175 - 4.9.279 | Linux |
| CONFIG_EDAC_ATOMIC_SCRUB | 15 | 7.14 - 8.00 | y | Architecture specific atomic scrub operation | 4.4.60 - 5.15.153 | Linux |
| CONFIG_EDAC_SUPPORT | 15 | 7.14 - 8.00 | y | EDAC (Error Detection And Correction) reporting support | 4.4.60 - 5.15.153 | Linux |
| CONFIG_EDD | 4 | 7.04 - 8.00 | y | BIOS Enhanced Disk Drive calls determine boot disk (edd.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EEPROM_AT24 | 4 | 6.52 - 8.00 | y | I2C EEPROMs / RAMs / ROMs from most vendors (at24.ko) | 3.14.43 - 4.9.276 | Linux |
| CONFIG_EFI | 4 | 7.04 - 8.00 | y | EFI runtime service support (capsule.ko, efi.ko, efi_stub.ko, memattr.ko, memmap.ko, quirks.ko, reboot.ko, sysfb_efi.ko, tpm.ko, vars.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EFIVAR_FS | 4 | 7.04 - 8.00 | y | EFI Variable filesystem (efivarfs.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EFI_CUSTOM_SSDT_OVERLAYS | 4 | 7.24 - 8.00 | y | Load custom ACPI SSDT overlay from an EFI variable | 4.9.240 - 5.15.153 | Linux |
| CONFIG_EFI_EARLYCON | 4 | 7.61 - 8.00 | y | EFI earlycon console support (earlycon.ko) | 5.15.111 - 5.15.153 | Linux |
| CONFIG_EFI_ESRT | 4 | 7.14 - 8.00 | y | EFI System Resource Table support (esrt.ko) | 4.9.175 - 5.15.153 | Linux |
| CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER | 4 | 7.61 - 8.00 | y | Enable the command line initrd loader | 5.15.111 - 5.15.153 | Linux |
| CONFIG_EFI_PARTITION | 47 | 6.06 - 8.00 | y | EFI GUID Partition support (efi.ko) | 2.6.28.8 - 5.15.153 | Linux |
| CONFIG_EFI_RUNTIME_WRAPPERS | 4 | 7.14 - 8.00 | y | UEFI Runtime Services function call wrappers (runtime-wrappers.ko) | 4.9.175 - 5.15.153 | Linux |
| CONFIG_EFI_STUB | 4 | 7.04 - 8.00 | y | EFI stub support (efi-obj.ko, vmlinux.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EFI_VARS | 4 | 7.04 - 8.00 | y | EFI Variable Support via sysfs (efivars.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EFI_VARS_PSTORE | 4 | 7.04 - 8.00 | y | Register efivars backend for pstore (efi-pstore.ko) | 3.12.59 - 5.15.153 | Linux |
| CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE | 4 | 7.04 - 8.00 | y | Disable using efivars as a pstore backend by default | 3.12.59 - 5.15.153 | Linux |
| CONFIG_ELFCORE | 30 | 7.14 - 8.00 | y | Support for ELF binaries (elfcore.ko) | 3.18.24 - 5.15.153 | Linux |
| CONFIG_ELF_CORE | 51 | 4.68 - 8.00 | y | Enable ELF core dumps (elfcore.ko) | 2.6.19.2 - 5.15.153 | Linux |
| CONFIG_ELF_KERNEL | 14 | 3.23 - 4.01 | y | Build an ELF kernel | 2.4.17 | Linux |
| CONFIG_EMBEDDED | 63 | 4.68 - 8.00 | y | Embedded system | 2.6.13.1 - 5.4.213 | Linux |
| CONFIG_ENABLE_DEFAULT_TRACERS | 10 | 7.19 - 8.00 | y | Trace process context switches and events | 4.9.161 - 4.9.325 | Linux |
| CONFIG_ENABLE_MUST_CHECK | 29 | 4.68 - 7.57 | y | Enable __must_check logic | 2.6.19.2 - 4.9.279 | Linux |
| CONFIG_ENABLE_WARN_DEPRECATED | 48 | 5.05 - 8.00 | y | Enable __deprecated logic | 2.6.28.8 - 4.9.325 | Linux |
| CONFIG_EPOLL | 68 | 4.68 - 8.00 | y | Enable eventpoll support (eventpoll.ko) | 2.6.13.1 - 5.15.153 | Linux |
| CONFIG_EPON_FEATURE | 1 | 7.62 | y | Support RTK EPON | 3.18.24 | Linux |
| CONFIG_ESSEDMA | 2 | 6.52 - 6.92 | m | Qualcomm Atheros ethernet edma support | 3.14.43 | Linux |
| CONFIG_ESSEDMA_RXLOOP | 1 | 7.50 | y | Qualcomm Atheros ethernet edma packet acceleration | 4.4.271 | Linux |
| CONFIG_ETHERNET | 41 | 6.51 - 8.00 | y | Ethernet driver support | 3.10.12 - 5.15.153 | Linux |
| CONFIG_ETHERNET_PACKET_MANGLE | 7 | 6.51 - 7.15 | y | Mangle packets going in or out of an ethernet device | 3.10.12 - 3.10.104 | Linux |
| CONFIG_ETHWAN | 1 | 7.62 | y | ETHWAN | 3.18.24 | Linux |
| CONFIG_EUROPA | 1 | 7.62 | m | Support Europa module | 3.18.24 | Linux |
| CONFIG_EUROPA_FEATURE | 1 | 7.62 | y | Support EUROPA driver and diagshell | 3.18.24 | Linux |
| CONFIG_EUROPA_I2C_PORT_1 | 1 | 7.62 | y | I2C port 1 | 3.18.24 | Linux |
| CONFIG_EUROPA_INTERRUPT | 1 | 7.62 | y | Support EUROPA interrupt | 3.18.24 | Linux |
| CONFIG_EUROPA_INTERRUPT_GPIO_PIN | 1 | 7.62 | 29 | gpio pin for Europa interrupt | 3.18.24 | Linux |
| CONFIG_EVA | 12 | 6.51 - 8.00 | y | Enhanced Virtual Addressing (EVA) | 3.10.12 - 4.9.325 | Linux |
| CONFIG_EVENTFD | 57 | 5.05 - 8.00 | y | Enable eventfd() system call (eventfd.ko) | 2.6.28.8 - 5.15.153 | Linux |
| CONFIG_EVENT_TRACING | 10 | 7.19 - 8.00 | y | Event tracing support (blktrace.ko, mei.ko, power-traces.ko, trace_event_perf.ko, trace_events.ko, trace_events_filter.ko, trace_events_trigger.ko, trace_export.ko) | 4.9.161 - 4.9.325 | Linux |
| CONFIG_EXFAT_FS | exFAT filesystem support (exfat.ko) | Linux | ||||
| CONFIG_EXPERIMENTAL | 38 | 3.23 - 7.29 | y | Prompt for development and/or incomplete code/drivers | 2.4.17 - 3.4.11 | Linux |
| CONFIG_EXPERT (kerncfg) | 49 | 6.51 - 8.00 | y | Configure standard kernel features (expert users) | 2.6.39.4 - 5.15.153 | Linux |
| CONFIG_EXPORTFS | 30 | 4.68 - 8.00 | y | Filesystem export support routines (exportfs.ko) | 2.6.19.2 - 5.15.153 | Linux |
| CONFIG_EXT2_FS | 44 | 4.68 - 8.00 | m, n, y | Second extended fs support (ext2.ko) | 2.6.13.1 - 4.19.183 | Linux |
| CONFIG_EXT2_FS_POSIX_ACL | 23 | 5.05 - 8.00 | y | Ext2 POSIX Access Control Lists (ext2.ko) | 2.6.28.8 - 4.19.183 | Linux |
| CONFIG_EXT2_FS_SECURITY | 19 | 5.05 - 8.00 | y | Ext2 Security Labels (ext2.ko) | 2.6.28.8 - 4.19.183 | Linux |
| CONFIG_EXT2_FS_XATTR | 36 | 4.68 - 8.00 | y | Ext2 extended attributes (ext2.ko) | 2.6.13.1 - 4.19.183 | Linux |
| CONFIG_EXT3_DEFAULTS_TO_ORDERED | 4 | 6.52 - 7.29 | y | Default to 'data=ordered' in ext3 | 2.6.39.4 - 3.14.43 | Linux |
| CONFIG_EXT3_FS | 52 | 4.01 - 8.00 | m, n, y | The Extended 3 (ext3) filesystem (ext3.ko) | 2.6.19.2 - 5.15.153 | Linux |
| CONFIG_EXT3_FS_POSIX_ACL | 19 | 5.06 - 8.00 | y | Ext3 POSIX Access Control Lists (ext3.ko) | 2.6.28.8 - 5.15.153 | Linux |
| CONFIG_EXT3_FS_SECURITY | 19 | 5.06 - 8.00 | y | Ext3 Security Labels (ext3.ko) | 2.6.28.8 - 5.15.153 | Linux |
| CONFIG_EXT3_FS_XATTR | 24 | 4.99 - 7.29 | y | Ext3 extended attributes (ext3.ko) | 2.6.19.2 - 3.14.43 | Linux |
| CONFIG_EXT4_FS | 43 | 5.21 - 8.00 | y | The Extended 4 (ext4) filesystem (ext4.ko) | 2.6.32.41 - 5.15.153 | Linux |
| CONFIG_EXT4_FS_POSIX_ACL | 17 | 5.21 - 8.00 | y | Ext4 POSIX Access Control Lists (ext4.ko) | 2.6.32.41 - 5.15.153 | Linux |
| CONFIG_EXT4_FS_SECURITY | 17 | 5.21 - 8.00 | y | Ext4 Security Labels (ext4.ko) | 2.6.32.41 - 5.15.153 | Linux |
| CONFIG_EXT4_FS_XATTR | 9 | 5.21 - 6.87 | y | Ext4 extended attributes (ext4.ko) | 2.6.32.41 - 3.4.11 | Linux |
| CONFIG_EXT4_USE_FOR_EXT2 | 25 | 7.01 - 8.00 | y | Use ext4 for ext2 file systems | 4.4.60 - 5.15.153 | Linux |
| CONFIG_EXT4_USE_FOR_EXT23 | 4 | 6.98 - 7.31 | y | Use ext4 for ext2/ext3 file systems | 3.12.59 - 4.1.52 | Linux |
| CONFIG_EXTCON | 6 | 7.61 - 8.00 | y | External Connector Class (extcon) support (extcon-class.ko, extcon-core.ko, extcon.ko) | 5.4.213 - 5.15.153 | Linux |
| CONFIG_EXTRA_FIRMWARE | 44 | 5.25 - 8.00 | External firmware blobs to build into the kernel binary | 2.6.28.8 - 5.15.153 | Linux | |
| 65 config variables | ||||||
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