Hi Ashish,

+    Ip4NvData->Policy = Ip4Config2PolicyDhcp;
+    Status            = Ip4Cfg2->SetData (
+                                   Ip4Cfg2,
+                                   Ip4Config2DataTypePolicy,
+                                   sizeof (EFI_IP4_CONFIG2_POLICY),
+                                   &Ip4NvData->Policy
+                                   );

Here we're assuming IfrFormNvData->DhcpEnable is TRUE. Should we check it 
before setting the policy and calling SetData()?

Thanks,
Saloni


From: Ashish Singhal <ashishsin...@nvidia.com>
Sent: Monday, January 1, 2024 8:48 AM
To: devel@edk2.groups.io; Kasbekar, Saloni <saloni.kasbe...@intel.com>; 
Clark-williams, Zachary <zachary.clark-willi...@intel.com>; Jeff Brasen 
<jbra...@nvidia.com>
Subject: Re: [PATCH] NetworkPkg/Ip4Dxe: Fix Reset To Default

Hello,

Checking again for some feedback on this.

Thanks
Ashish

________________________________
From: Ashish Singhal <ashishsin...@nvidia.com<mailto:ashishsin...@nvidia.com>>
Sent: Thursday, December 14, 2023 4:42 PM
To: devel@edk2.groups.io<mailto:devel@edk2.groups.io> 
<devel@edk2.groups.io<mailto:devel@edk2.groups.io>>; 
saloni.kasbe...@intel.com<mailto:saloni.kasbe...@intel.com> 
<saloni.kasbe...@intel.com<mailto:saloni.kasbe...@intel.com>>; 
zachary.clark-willi...@intel.com<mailto:zachary.clark-willi...@intel.com> 
<zachary.clark-willi...@intel.com<mailto:zachary.clark-willi...@intel.com>>; 
Jeff Brasen <jbra...@nvidia.com<mailto:jbra...@nvidia.com>>
Cc: Ashish Singhal <ashishsin...@nvidia.com<mailto:ashishsin...@nvidia.com>>
Subject: [PATCH] NetworkPkg/Ip4Dxe: Fix Reset To Default

Exercising reset to default does not reset the settings.
Add handler code for the case where configuration is
disabled.

Signed-off-by: Ashish Singhal 
<ashishsin...@nvidia.com<mailto:ashishsin...@nvidia.com>>
---
 NetworkPkg/Ip4Dxe/Ip4Config2Nv.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/NetworkPkg/Ip4Dxe/Ip4Config2Nv.c b/NetworkPkg/Ip4Dxe/Ip4Config2Nv.c
index e0b6a4d4a9..dac5817b7c 100644
--- a/NetworkPkg/Ip4Dxe/Ip4Config2Nv.c
+++ b/NetworkPkg/Ip4Dxe/Ip4Config2Nv.c
@@ -586,6 +586,31 @@ Ip4Config2ConvertIfrNvDataToConfigNvData (
   }

   if (IfrFormNvData->Configure != TRUE) {
+    if (Ip4NvData->DnsAddress != NULL) {
+      FreePool (Ip4NvData->DnsAddress);
+      Ip4NvData->DnsAddress      = NULL;
+      Ip4NvData->DnsAddressCount = 0;
+    }
+
+    if (Ip4NvData->GatewayAddress != NULL) {
+      FreePool (Ip4NvData->GatewayAddress);
+      Ip4NvData->GatewayAddress      = NULL;
+      Ip4NvData->GatewayAddressCount = 0;
+    }
+
+    if (Ip4NvData->ManualAddress != NULL) {
+      FreePool (Ip4NvData->ManualAddress);
+      Ip4NvData->ManualAddress      = NULL;
+      Ip4NvData->ManualAddressCount = 0;
+    }
+
+    Ip4NvData->Policy = Ip4Config2PolicyDhcp;
+    Status            = Ip4Cfg2->SetData (
+                                   Ip4Cfg2,
+                                   Ip4Config2DataTypePolicy,
+                                   sizeof (EFI_IP4_CONFIG2_POLICY),
+                                   &Ip4NvData->Policy
+                                   );
     return EFI_SUCCESS;
   }

--
2.17.1
Hello,


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