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-rw-r--r--MdePkg/Include/Protocol/Ip4.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/Ip4.h b/MdePkg/Include/Protocol/Ip4.h
index 246104dcc5..15ec514d80 100644
--- a/MdePkg/Include/Protocol/Ip4.h
+++ b/MdePkg/Include/Protocol/Ip4.h
@@ -143,6 +143,10 @@ typedef struct {
///
BOOLEAN IsStarted;
///
+ /// The maximum packet size, in bytes, of the packet which the upper layer driver could feed.
+ ///
+ UINT32 MaxPacketSize;
+ ///
/// Current configuration settings.
///
EFI_IP4_CONFIG_DATA ConfigData;