diff options
| author |   growupboron <shankhoghosh123@gmail.com> | 2020-10-09 00:19:18 +0530 |
|---|---|---|
| committer |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2020-10-14 11:19:53 +0000 |
| commit | eefc3ab6cbb8a5901632f46d99e13c8d90b2415d (patch) | |
| tree | 90815d532ed7b2d0962a1468aee29f05a4404eef /docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md | |
| parent | 4aad369c9728061c97b3de792286e743ee884b09 (diff) | |
rewrote quickstart, build-process
Revamped and updated documentation to install and build AGL images.
(removed whitespaces, added contribution guide, corrected rcar-gen3 section 7, added aglsetup.h flags to hardware support, some minor changes)
Bug-AGL: [SPEC-3633]
Signed-off-by: Shankho Boron Ghosh <shankhoghosh123@gmail.com>
Change-Id: Iedb6c7dc1661f4bc58b5f25ea5d188778c7ff908
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/documentation/+/25407
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Diffstat (limited to 'docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md')
| -rw-r--r-- | docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md b/docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md deleted file mode 100644 index 3381324..0000000 --- a/docs/1_Architecture_Guides/1.2_Security_Blueprint/2_Secure_Boot/1.2.2.2_Communication-modes.md +++ /dev/null @@ -1,98 +0,0 @@ ---- -edit_link: '' -title: Communication modes -origin_url: >- - https://raw.githubusercontent.com/automotive-grade-linux/docs-sources/master/docs/security-blueprint/part-2/2-Communication-modes.md ---- - -<!-- WARNING: This file is generated by fetch_docs.js using /home/boron/Documents/AGL/docs-webtemplate/site/_data/tocs/architecture/master/security_blueprint-security-blueprint-book.yml --> - -# Communication modes - -## Disable USB, Serial and DOCSIS Support - -To disable USB support in U-Boot, following config's shall not be defined: - -``` -CONFIG_CMD_USB: Enables basic USB support and the usb command. -CONFIG_USB_UHCI: Defines the lowlevel part. -CONFIG_USB_KEYBOARD: Enables the USB Keyboard. -CONFIG_USB_STORAGE: Enables the USB storage devices. -CONFIG_USB_HOST_ETHER: Enables USB Ethernet adapter support. -``` - -In addition, disable unnecessary communication modes like Ethernet, Serial -ports, DOCSIS in U-Boot and sboot that are not necessary. - -Linux Kernel support for USB should be compiled-out if not required. If it is -needed, the Linux Kernel should be configured to only enable the minimum -required USB devices. User-initiated USB-filesystems should be treated with -special care. Whether or not the filesystems are mounted in userspace -(**FUSE**), restricted mount options should be observed. - -<!-- section-config --> - -Domain | Communication modes | _State_ --------------------- | ------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- -Boot-Communication-1 | `USB` | _Disabled_ and _Compiled-out_ if not required. -Boot-Communication-2 | `USB` | Else, Kernel should be configured to only enable the minimum required USB devices and filesystems should be treated with special care. -Boot-Communication-3 | `Ethernet` | _Disabled_ -Boot-Communication-4 | U-boot and sboot `DOCSIS` | _Disabled_ -Boot-Communication-5 | `Serial ports` | _Disabled_ - -<!-- end-section-config --> <!-- section-config --> - -Domain | `Config` name | _State_ ------------------------- | ----------------------- | ------------- -Boot-Communication-USB-1 | `CONFIG_CMD_USB` | _Not defined_ -Boot-Communication-USB-2 | `CONFIG_USB_UHCI` | _Not defined_ -Boot-Communication-USB-3 | `CONFIG_USB_KEYBOARD` | _Not defined_ -Boot-Communication-USB-4 | `CONFIG_USB_STORAGE` | _Not defined_ -Boot-Communication-USB-5 | `CONFIG_USB_HOST_ETHER` | _Not defined_ - -<!-- end-section-config --> - --------------------------------------------------------------------------------- - -## Disable all unused Network Interfaces - -Only used network interfaces should be enabled. -Where possible, services should also be limited to those necessary. - -<!-- section-config --> - -Domain | Communication modes | _State_ --------------------- | -------------------- | --------------------------------------------------------------------------------------------- -Boot-Communication-1 | `Network interfaces` | Preferably _no network interface is allowed_, otherwise, restrict the services to those used. - -<!-- end-section-config --> - -## Remove or Disable Unnecessary Services, Ports, and Devices - -Restrict the `services`, `ports` and `devices` to those used. - -<!-- section-config --> - -Domain | Object | Recommendations --------------------- | --------------------------------- | ------------------------------------------------------------- -Boot-Communication-1 | `Services`, `ports` and `devices` | Restrict the `services`, `ports` and `devices` to those used. - -<!-- end-section-config --> - -## Disable flash access - -**Recommendation**: - -In U-Boot following flash memory commands shall be disabled: - -**NAND**: Support for nand flash access available through `do_nand` has to be disabled. - -<!-- section-config --> - -Domain | `Command` name | _State_ --------------------------- | -------------- | --------- -Boot-Communication-Flash-1 | `do_nand` | _Disable_ - -<!-- end-section-config --> - -Similarly sboot should disable flash access support through command line if any. |