MdeModulePkg: Clean up source files

[mirror_edk2.git] / MdeModulePkg / Universal / Network / Ip4Dxe / Ip4Output.c

diff --git a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
index 370eaa6a9f7a315928e894d23ff18c7258c1ecd2..1716f43576f2a4c888b37d1546d9fa3ff2d45bfa 100644 (file)
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Output.c
@@ -1,7 +1,7 @@
 /** @file\r
   Transmit the IP4 packet.\r
-  \r
-Copyright (c) 2005 - 2013, Intel Corporation. All rights reserved.<BR>\r
+\r
+Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -269,16 +269,16 @@ Ip4Output (
     Head->Ver      = 4;\r
     RawData        = FALSE;\r
   }\r
-  \r
+\r
   //\r
   // Call IPsec process.\r
   //\r
   Status = Ip4IpSecProcessPacket (\r
-             IpSb, \r
-             &Head, \r
-             &Packet, \r
-             &Option, \r
-             &OptLen, \r
+             IpSb,\r
+             &Head,\r
+             &Packet,\r
+             &Option,\r
+             &OptLen,\r
              EfiIPsecOutBound,\r
              Context\r
              );\r
@@ -286,7 +286,7 @@ Ip4Output (
   if (EFI_ERROR(Status)) {\r
     return Status;\r
   }\r
-  \r
+\r
   Dest = Head->Dst;\r
   if (IP4_IS_BROADCAST (Ip4GetNetCast (Dest, IpIf)) || (Dest == IP4_ALLONE_ADDRESS)) {\r
     //\r
@@ -312,6 +312,13 @@ Ip4Output (
       CacheEntry = Ip4Route (IpSb->DefaultRouteTable, Head->Dst, Head->Src);\r
     } else {\r
       CacheEntry = Ip4Route (IpInstance->RouteTable, Head->Dst, Head->Src);\r
+      //\r
+      // If failed to route the packet by using the instance's route table,\r
+      // try to use the default route table.\r
+      //\r
+      if (CacheEntry == NULL) {\r
+        CacheEntry = Ip4Route (IpSb->DefaultRouteTable, Head->Dst, Head->Src);\r
+      }\r
     }\r
 \r
     if (CacheEntry == NULL) {\r
@@ -326,7 +333,7 @@ Ip4Output (
   // OK, selected the source and route, fragment the packet then send\r
   // them. Tag each fragment other than the first one as spawn from it.\r
   //\r
-  Mtu = IpSb->MaxPacketSize + sizeof (IP4_HEAD);  \r
+  Mtu = IpSb->MaxPacketSize + sizeof (IP4_HEAD);\r
 \r
   if (Packet->TotalSize + HeadLen > Mtu) {\r
     //\r
@@ -335,7 +342,7 @@ Ip4Output (
     if (RawData) {\r
       return EFI_BAD_BUFFER_SIZE;\r
     }\r
-    \r
+\r
     //\r
     // Packet is fragmented from the tail to the head, that is, the\r
     // first frame sent is the last fragment of the packet. The first\r