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 7ff17b6637936e361e37eea86ddac35d19de5aba..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 - 2012, 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
@@ -287,52 +287,53 @@ Ip4Output (
     return Status;\r
   }\r
 \r
-  //\r
-  // Route the packet unless overrided, that is, GateWay isn't zero.\r
-  //\r
-  if (GateWay == IP4_ALLZERO_ADDRESS) {\r
-    Dest = Head->Dst;\r
-\r
-    if (IP4_IS_BROADCAST (Ip4GetNetCast (Dest, IpIf)) || (Dest == IP4_ALLONE_ADDRESS)) {\r
-      //\r
-      // Set the gateway to local broadcast if the Dest is\r
-      // the broadcast address for the connected network or\r
-      // it is local broadcast.\r
-      //\r
-      GateWay = IP4_ALLONE_ADDRESS;\r
+  Dest = Head->Dst;\r
+  if (IP4_IS_BROADCAST (Ip4GetNetCast (Dest, IpIf)) || (Dest == IP4_ALLONE_ADDRESS)) {\r
+    //\r
+    // Set the gateway to local broadcast if the Dest is\r
+    // the broadcast address for the connected network or\r
+    // it is local broadcast.\r
+    //\r
+    GateWay = IP4_ALLONE_ADDRESS;\r
 \r
-    } else if (IP4_IS_MULTICAST (Dest)) {\r
-      //\r
-      // Set the gateway to the destination if it is an multicast\r
-      // address. The IP4_INTERFACE won't consult ARP to send local\r
-      // broadcast and multicast.\r
-      //\r
-      GateWay = Head->Dst;\r
+  } else if (IP4_IS_MULTICAST (Dest)) {\r
+    //\r
+    // Set the gateway to the destination if it is an multicast\r
+    // address. The IP4_INTERFACE won't consult ARP to send local\r
+    // broadcast and multicast.\r
+    //\r
+    GateWay = Head->Dst;\r
 \r
+  } else if (GateWay == IP4_ALLZERO_ADDRESS) {\r
+    //\r
+    // Route the packet unless overrided, that is, GateWay isn't zero.\r
+    //\r
+    if (IpInstance == NULL) {\r
+      CacheEntry = Ip4Route (IpSb->DefaultRouteTable, Head->Dst, Head->Src);\r
     } else {\r
+      CacheEntry = Ip4Route (IpInstance->RouteTable, Head->Dst, Head->Src);\r
       //\r
-      // Consult the route table to route the packet\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 (IpInstance == NULL) {\r
-        CacheEntry = Ip4Route (IpSb->DefaultRouteTable, Head->Dst, Head->Src);\r
-      } else {\r
-        CacheEntry = Ip4Route (IpInstance->RouteTable, Head->Dst, Head->Src);\r
-      }\r
-\r
       if (CacheEntry == NULL) {\r
-        return EFI_NOT_FOUND;\r
+        CacheEntry = Ip4Route (IpSb->DefaultRouteTable, Head->Dst, Head->Src);\r
       }\r
+    }\r
 \r
-      GateWay = CacheEntry->NextHop;\r
-      Ip4FreeRouteCacheEntry (CacheEntry);\r
+    if (CacheEntry == NULL) {\r
+      return EFI_NOT_FOUND;\r
     }\r
+\r
+    GateWay = CacheEntry->NextHop;\r
+    Ip4FreeRouteCacheEntry (CacheEntry);\r
   }\r
 \r
   //\r
   // 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
@@ -341,7 +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