[edk2-devel] [PATCH] NetworkPkg: Increase HTTP buffer size and enable TCP window scaling

["Li, Yi" <yi1.li@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4505
This gives something like ~3 fold throughput boost.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Cc: Saloni Kasbekar <saloni.kasbekar@intel.com>
Cc: Zachary Clark-williams <zachary.clark-williams@intel.com>
---
 NetworkPkg/HttpBootDxe/HttpBootClient.h |  2 +-
 NetworkPkg/HttpDxe/HttpProto.c          | 48 +++++++++++++------------
 NetworkPkg/HttpDxe/HttpProto.h          |  2 +-
 3 files changed, 27 insertions(+), 25 deletions(-)

diff --git a/NetworkPkg/HttpBootDxe/HttpBootClient.h b/NetworkPkg/HttpBootDxe/HttpBootClient.h
index 2fba713679..86a28bc91a 100644
--- a/NetworkPkg/HttpBootDxe/HttpBootClient.h
+++ b/NetworkPkg/HttpBootDxe/HttpBootClient.h
@@ -10,7 +10,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #ifndef __EFI_HTTP_BOOT_HTTP_H__
 #define __EFI_HTTP_BOOT_HTTP_H__
 
-#define HTTP_BOOT_BLOCK_SIZE                   1500
+#define HTTP_BOOT_BLOCK_SIZE                   32000
 #define HTTP_USER_AGENT_EFI_HTTP_BOOT          "UefiHttpBoot/1.0"
 #define HTTP_BOOT_AUTHENTICATION_INFO_MAX_LEN  255
 
diff --git a/NetworkPkg/HttpDxe/HttpProto.c b/NetworkPkg/HttpDxe/HttpProto.c
index 33ae622c3f..7dfb82dd2e 100644
--- a/NetworkPkg/HttpDxe/HttpProto.c
+++ b/NetworkPkg/HttpDxe/HttpProto.c
@@ -1073,18 +1073,19 @@ HttpConfigureTcp4 (
   Tcp4AP->ActiveFlag  = TRUE;
   IP4_COPY_ADDRESS (&Tcp4AP->RemoteAddress, &HttpInstance->RemoteAddr);
 
-  Tcp4Option                    = Tcp4CfgData->ControlOption;
-  Tcp4Option->ReceiveBufferSize = HTTP_BUFFER_SIZE_DEAULT;
-  Tcp4Option->SendBufferSize    = HTTP_BUFFER_SIZE_DEAULT;
-  Tcp4Option->MaxSynBackLog     = HTTP_MAX_SYN_BACK_LOG;
-  Tcp4Option->ConnectionTimeout = HTTP_CONNECTION_TIMEOUT;
-  Tcp4Option->DataRetries       = HTTP_DATA_RETRIES;
-  Tcp4Option->FinTimeout        = HTTP_FIN_TIMEOUT;
-  Tcp4Option->KeepAliveProbes   = HTTP_KEEP_ALIVE_PROBES;
-  Tcp4Option->KeepAliveTime     = HTTP_KEEP_ALIVE_TIME;
-  Tcp4Option->KeepAliveInterval = HTTP_KEEP_ALIVE_INTERVAL;
-  Tcp4Option->EnableNagle       = TRUE;
-  Tcp4CfgData->ControlOption    = Tcp4Option;
+  Tcp4Option                      = Tcp4CfgData->ControlOption;
+  Tcp4Option->ReceiveBufferSize   = HTTP_BUFFER_SIZE_DEAULT;
+  Tcp4Option->SendBufferSize      = HTTP_BUFFER_SIZE_DEAULT;
+  Tcp4Option->MaxSynBackLog       = HTTP_MAX_SYN_BACK_LOG;
+  Tcp4Option->ConnectionTimeout   = HTTP_CONNECTION_TIMEOUT;
+  Tcp4Option->DataRetries         = HTTP_DATA_RETRIES;
+  Tcp4Option->FinTimeout          = HTTP_FIN_TIMEOUT;
+  Tcp4Option->KeepAliveProbes     = HTTP_KEEP_ALIVE_PROBES;
+  Tcp4Option->KeepAliveTime       = HTTP_KEEP_ALIVE_TIME;
+  Tcp4Option->KeepAliveInterval   = HTTP_KEEP_ALIVE_INTERVAL;
+  Tcp4Option->EnableNagle         = TRUE;
+  Tcp4Option->EnableWindowScaling = TRUE;
+  Tcp4CfgData->ControlOption      = Tcp4Option;
 
   if ((HttpInstance->State == HTTP_STATE_TCP_CONNECTED) ||
       (HttpInstance->State == HTTP_STATE_TCP_CLOSED))
@@ -1156,17 +1157,18 @@ HttpConfigureTcp6 (
   IP6_COPY_ADDRESS (&Tcp6Ap->StationAddress, &HttpInstance->Ipv6Node.LocalAddress);
   IP6_COPY_ADDRESS (&Tcp6Ap->RemoteAddress, &HttpInstance->RemoteIpv6Addr);
 
-  Tcp6Option                    = Tcp6CfgData->ControlOption;
-  Tcp6Option->ReceiveBufferSize = HTTP_BUFFER_SIZE_DEAULT;
-  Tcp6Option->SendBufferSize    = HTTP_BUFFER_SIZE_DEAULT;
-  Tcp6Option->MaxSynBackLog     = HTTP_MAX_SYN_BACK_LOG;
-  Tcp6Option->ConnectionTimeout = HTTP_CONNECTION_TIMEOUT;
-  Tcp6Option->DataRetries       = HTTP_DATA_RETRIES;
-  Tcp6Option->FinTimeout        = HTTP_FIN_TIMEOUT;
-  Tcp6Option->KeepAliveProbes   = HTTP_KEEP_ALIVE_PROBES;
-  Tcp6Option->KeepAliveTime     = HTTP_KEEP_ALIVE_TIME;
-  Tcp6Option->KeepAliveInterval = HTTP_KEEP_ALIVE_INTERVAL;
-  Tcp6Option->EnableNagle       = TRUE;
+  Tcp6Option                      = Tcp6CfgData->ControlOption;
+  Tcp6Option->ReceiveBufferSize   = HTTP_BUFFER_SIZE_DEAULT;
+  Tcp6Option->SendBufferSize      = HTTP_BUFFER_SIZE_DEAULT;
+  Tcp6Option->MaxSynBackLog       = HTTP_MAX_SYN_BACK_LOG;
+  Tcp6Option->ConnectionTimeout   = HTTP_CONNECTION_TIMEOUT;
+  Tcp6Option->DataRetries         = HTTP_DATA_RETRIES;
+  Tcp6Option->FinTimeout          = HTTP_FIN_TIMEOUT;
+  Tcp6Option->KeepAliveProbes     = HTTP_KEEP_ALIVE_PROBES;
+  Tcp6Option->KeepAliveTime       = HTTP_KEEP_ALIVE_TIME;
+  Tcp6Option->KeepAliveInterval   = HTTP_KEEP_ALIVE_INTERVAL;
+  Tcp6Option->EnableNagle         = TRUE;
+  Tcp6Option->EnableWindowScaling = TRUE;
 
   if ((HttpInstance->State == HTTP_STATE_TCP_CONNECTED) ||
       (HttpInstance->State == HTTP_STATE_TCP_CLOSED))
diff --git a/NetworkPkg/HttpDxe/HttpProto.h b/NetworkPkg/HttpDxe/HttpProto.h
index 620eb39158..012f1f4b46 100644
--- a/NetworkPkg/HttpDxe/HttpProto.h
+++ b/NetworkPkg/HttpDxe/HttpProto.h
@@ -37,7 +37,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 //
 #define HTTP_TOS_DEAULT           8
 #define HTTP_TTL_DEAULT           255
-#define HTTP_BUFFER_SIZE_DEAULT   65535
+#define HTTP_BUFFER_SIZE_DEAULT   0x200000
 #define HTTP_MAX_SYN_BACK_LOG     5
 #define HTTP_CONNECTION_TIMEOUT   60
 #define HTTP_DATA_RETRIES         12
-- 
2.31.1.windows.1



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