[SLOF] [PATCH v2 00/11] Support network booting with pxelinux.cfg files

[Alexey Kardashevskiy]

On 19/5/18 1:45 am, Thomas Huth wrote:
> When booting a Linux kernel via network, it's sometimes more convenient
> to load the kernel and initrd separately instead of having to create
> a joint kernel + initrd file. The most common "standard" for doing such
> network boots are the so-called pxelinux.cfg config files, initially
> introduced by the PXELINUX bootloader on x86, but nowadays also used
> on ppc64 by petitboot for example. So let's support booting via these
> config files in SLOF, too!
> 
> v2:
>  - Added support for UUID-based file names (last two patches)
>  - Addressed Greg's feedback from v1
> 
> Thomas Huth (11):
>   libnet: Get rid of unused huge_load and block_size parameters
>   obp-tftp: Make sure to not overwrite paflof in memory
>   libnet: Pass tftp_retries and ip_version via struct filename_ip
>   libnet: Put code for determing TFTP error strings into a separate
>     function
>   libc: Implement strrchr()
>   libnet: Add functions for downloading and parsing pxelinux.cfg files
>   libnet: Wire up pxelinux.cfg network booting
>   libc: Check for NULL pointers in free()
>   libnet: Add support for DHCPv4 options 209 and 210
>   slof: Add a helper function to get the contents of a property in C
>     code
>   libnet: Support UUID-based pxelinux.cfg file names


I pushed 05/11 and 08/11 as they independent, I'll continue with this
tomorrow - finish reading and then I need to learn how to setup this pxe
thing to test so it is going to take a bit :) Thanks,


> 
>  include/helpers.h            |   4 +
>  lib/libc/stdlib/free.c       |   4 +-
>  lib/libc/string/Makefile.inc |   2 +-
>  lib/libc/string/strrchr.c    |  28 ++++++
>  lib/libnet/Makefile          |   2 +-
>  lib/libnet/dhcp.c            |  33 +++++++
>  lib/libnet/libnet.code       |   4 +-
>  lib/libnet/netapps.h         |   3 +-
>  lib/libnet/netload.c         | 196 +++++++++++++++++++++----------------
>  lib/libnet/ping.c            |  14 ++-
>  lib/libnet/pxelinux.c        | 223 +++++++++++++++++++++++++++++++++++++++++++
>  lib/libnet/pxelinux.h        |  33 +++++++
>  lib/libnet/tftp.c            | 120 ++++++++++++++++++++---
>  lib/libnet/tftp.h            |  14 ++-
>  slof/fs/packages/obp-tftp.fs |  11 ++-
>  slof/helpers.c               |  30 +++++-
>  16 files changed, 603 insertions(+), 118 deletions(-)
>  create mode 100644 lib/libc/string/strrchr.c
>  create mode 100644 lib/libnet/pxelinux.c
>  create mode 100644 lib/libnet/pxelinux.h
> 


-- 
Alexey