From: Ashish Singhal <ashishsingha@nvidia.com>
Sent: Monday, January 1, 2024 8:48 AM
To: devel@edk2.groups.io; Kasbekar, Saloni <saloni.kasbekar@intel.com>; Clark-williams, Zachary <zachary.clark-williams@intel.com>; Jeff Brasen <jbrasen@nvidia.com>
Subject: Re: [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 <ashishsingha@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