diff --git a/MdeModulePkg/Include/Library/IpIoLib.h b/MdeModulePkg/Include/Library/IpIoLib.h index e079fe1f79..000e815809 100644 --- a/MdeModulePkg/Include/Library/IpIoLib.h +++ b/MdeModulePkg/Include/Library/IpIoLib.h @@ -160,6 +160,11 @@ typedef struct _EFI_NET_SESSION_DATA { EFI_IP_ADDRESS Source; ///< Source IP of the received packet EFI_IP_ADDRESS Dest; ///< Destination IP of the received packet IP_IO_IP_HEADER IpHdr; ///< IP header of the received packet + UINT32 IpHdrLen; ///< IP header length of the received packet. + ///< For IPv6, it includes the IP6 header + ///< length and extension header length. For + ///< IPv4, it includes the IP4 header length + ///< and options length. UINT8 IpVersion; ///< The IP version of the received packet } EFI_NET_SESSION_DATA; diff --git a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c index c94a79c4dc..4df49a5e7b 100644 --- a/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c +++ b/MdeModulePkg/Library/DxeIpIoLib/DxeIpIoLib.c @@ -1057,6 +1057,7 @@ IpIoListenHandlerDpc ( Session.Source.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->SourceAddress); Session.Dest.Addr[0] = EFI_IP4 (RxData->Ip4RxData.Header->DestinationAddress); Session.IpHdr.Ip4Hdr = RxData->Ip4RxData.Header; + Session.IpHdrLen = RxData->Ip4RxData.HeaderLength; Session.IpVersion = IP_VERSION_4; } else { @@ -1093,6 +1094,7 @@ IpIoListenHandlerDpc ( sizeof(EFI_IPv6_ADDRESS) ); Session.IpHdr.Ip6Hdr = RxData->Ip6RxData.Header; + Session.IpHdrLen = RxData->Ip6RxData.HeaderLength; Session.IpVersion = IP_VERSION_6; }