Re: [Patch v2] MdeModulePkg/Ip4Dxe: Sync the direct route entry setting.

["Fu, Siyuan" <siyuan.fu@intel.com>]

Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>

> -----Original Message-----
> From: Wu, Jiaxin
> Sent: Tuesday, September 4, 2018 3:38 PM
> To: edk2-devel@lists.01.org
> Cc: Ye, Ting <ting.ye@intel.com>; Fu, Siyuan <siyuan.fu@intel.com>; Wu,
> Jiaxin <jiaxin.wu@intel.com>
> Subject: [Patch v2] MdeModulePkg/Ip4Dxe: Sync the direct route entry
> setting.
> 
> v2: use "IP & Netmask" directly instead of defining an additional variable.
> 
> This patch is to sync the direct route entry setting in both the default
> and Instance route table {Subnet, Mask, NextHope} (
> https://bugzilla.tianocore.org/show_bug.cgi?id=1143).
> 
> Cc: Ye Ting <ting.ye@intel.com>
> Cc: Fu Siyuan <siyuan.fu@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
> Reviewed-by: Ye Ting <ting.ye@intel.com>
> ---
>  MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c |  7 -------
>  MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c        | 10 +++++++---
>  2 files changed, 7 insertions(+), 10 deletions(-)
> 
> diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c
> b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c
> index c19a72730e..b52542cd84 100644
> --- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c
> +++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Config2Impl.c
> @@ -557,17 +557,10 @@ Ip4Config2SetDefaultAddr (
>          return Status;
>        }
>      }
>    }
> 
> -  Ip4AddRoute (
> -    IpSb->DefaultRouteTable,
> -    StationAddress,
> -    SubnetMask,
> -    IP4_ALLZERO_ADDRESS
> -    );
> -
>    //
>    // Add a route for the connected network.
>    //
>    Subnet = StationAddress & SubnetMask;
> 
> diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
> b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
> index 6a26143e30..13ebeab1be 100644
> --- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
> +++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Impl.c
> @@ -670,14 +670,18 @@ Ip4ConfigProtocol (
> 
>        InsertTailList (&IpSb->Interfaces, &IpIf->Link);
>      }
> 
>      //
> -    // Add a route to this connected network in the route table
> +    // Add a route to this connected network in the instance route table.
>      //
> -    Ip4AddRoute (IpInstance->RouteTable, Ip, Netmask,
> IP4_ALLZERO_ADDRESS);
> -
> +    Ip4AddRoute (
> +      IpInstance->RouteTable,
> +      Ip & Netmask,
> +      Netmask,
> +      IP4_ALLZERO_ADDRESS
> +      );
>    } else {
>      //
>      // Use the default address. Check the state.
>      //
>      if (IpSb->State == IP4_SERVICE_UNSTARTED) {
> --
> 2.17.1.windows.2