On 01/12/17 09:52, Jiaxin Wu wrote:
> If the value of PcdHttpEnable is TRUE, HTTP is enabled. Both the
> "http://"; and "https://"; schemes are acceptable. Otherwise, HTTP
> is disabled. The "http://"; scheme will be denied.
> 
> Cc: Ye Ting <[email protected]>
> Cc: Fu Siyuan <[email protected]>
> Cc: Ruiyu Ni <[email protected]>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Wu Jiaxin <[email protected]>
> 
> Jiaxin Wu (2):
>   NetworkPkg: Add PCD to enable the HTTP switch
>   Nt32Pkg.dsc: Add HTTP_ENABLE flag
> 
>  NetworkPkg/HttpBootDxe/HttpBootClient.c  | 20 +++++++-
>  NetworkPkg/HttpBootDxe/HttpBootConfig.c  | 81 
> ++++++++++++++++++++------------
>  NetworkPkg/HttpBootDxe/HttpBootDxe.inf   |  5 +-
>  NetworkPkg/HttpBootDxe/HttpBootSupport.c | 53 ++++++++++++++++++++-
>  NetworkPkg/HttpBootDxe/HttpBootSupport.h | 17 ++++++-
>  NetworkPkg/HttpDxe/HttpDxe.inf           |  5 +-
>  NetworkPkg/HttpDxe/HttpImpl.c            | 12 ++++-
>  NetworkPkg/NetworkPkg.dec                |  8 +++-
>  Nt32Pkg/Nt32Pkg.dsc                      |  9 ++++
>  9 files changed, 173 insertions(+), 37 deletions(-)
> 

What is the reasoning behind this change? If a platform doesn't want to
support HTTP booting, it can just exclude the drivers from the build.

Put differently, what use do HttpBootDxe and HttpDxe have if the PCD is
set to FALSE (which is the default)?

I'm asking because OVMF already has a HTTP_BOOT_ENABLE build flag, and
it controls the inclusion of all of:

  NetworkPkg/DnsDxe/DnsDxe.inf
  NetworkPkg/HttpUtilitiesDxe/HttpUtilitiesDxe.inf
  NetworkPkg/HttpDxe/HttpDxe.inf
  NetworkPkg/HttpBootDxe/HttpBootDxe.inf

So what will this NetworkPkg change mean for OVMF, if OVMF is built with
-D HTTP_BOOT_ENABLE?

Thanks
Laszlo
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