Add VLAN support.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9649 6f19259b-4bc3-4df7-8a09-765794883524
2009-12-30 13:47:55 +00:00
parent 1204fe8319
commit 779ae35798
30 changed files with 4310 additions and 944 deletions
--- a/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Driver.c
+++ b/MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Driver.c
@@ -291,6 +291,12 @@ Ip4CreateService (
  InsertHeadList (&IpSb->Interfaces, &IpSb->DefaultInterface->Link);

  IpSb->MaxPacketSize = IpSb->SnpMode.MaxPacketSize - sizeof (IP4_HEAD);
+  if (NetLibGetVlanId (IpSb->Controller) != 0) {
+    //
+    // This is a VLAN device, reduce MTU by VLAN tag length
+    //
+    IpSb->MaxPacketSize -= NET_VLAN_TAG_LEN;
+  }
  IpSb->MacString = NULL;

  *Service = IpSb;