diff options
Diffstat (limited to 'MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h')
| -rw-r--r-- | MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h index cae0e885cf..ad856c777a 100644 --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h +++ b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h @@ -1,107 +1,107 @@ -/** @file - -Copyright (c) 2005 - 2006, Intel Corporation -All rights reserved. This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -Module Name: - - Tcp4Option.h - -Abstract: - - -**/ - -#ifndef _TCP4_OPTION_H_ -#define _TCP4_OPTION_H_ - -// -// The structure to store the parse option value. -// ParseOption only parse the options, don't process them. -// -typedef struct s_TCP_OPTION { - UINT8 Flag; // flag such as TCP_OPTION_RCVD_MSS - UINT8 WndScale; // the WndScale received - UINT16 Mss; // the Mss received - UINT32 TSVal; // the TSVal field in a timestamp option - UINT32 TSEcr; // the TSEcr field in a timestamp option -} TCP_OPTION; - -enum { - - // - // supported TCP option type and their length - // - TCP_OPTION_EOP = 0, // End Of oPtion - TCP_OPTION_NOP = 1, // No-Option. - TCP_OPTION_MSS = 2, // Maximum Segment Size - TCP_OPTION_WS = 3, // Window scale - TCP_OPTION_TS = 8, // Timestamp - TCP_OPTION_MSS_LEN = 4, // length of MSS option - TCP_OPTION_WS_LEN = 3, // length of window scale option - TCP_OPTION_TS_LEN = 10, // length of timestamp option - TCP_OPTION_WS_ALIGNED_LEN = 4, // length of window scale option, aligned - TCP_OPTION_TS_ALIGNED_LEN = 12, // length of timestamp option, aligned - - // - // recommend format of timestamp window scale - // option for fast process. - // - TCP_OPTION_TS_FAST = ((TCP_OPTION_NOP << 24) | - (TCP_OPTION_NOP << 16) | - (TCP_OPTION_TS << 8) | - TCP_OPTION_TS_LEN), - - TCP_OPTION_WS_FAST = ((TCP_OPTION_NOP << 24) | - (TCP_OPTION_WS << 16) | - (TCP_OPTION_WS_LEN << 8)), - - TCP_OPTION_MSS_FAST = ((TCP_OPTION_MSS << 24) | - (TCP_OPTION_MSS_LEN << 16)), - - // - // Other misc definations - // - TCP_OPTION_MAX_WS = 14, // Maxium window scale value - TCP_OPTION_MAX_WIN = 0xffff, // max window size in TCP header - TCP_OPTION_RCVD_MSS = 0x01, - TCP_OPTION_RCVD_WS = 0x02, - TCP_OPTION_RCVD_TS = 0x04 -}; - -UINT8 -TcpComputeScale ( - IN TCP_CB *Tcb - ); - -UINT16 -TcpSynBuildOption ( - IN TCP_CB *Tcb, - IN NET_BUF *Buf - ); - -UINT16 -TcpBuildOption ( - IN TCP_CB *Tcb, - IN NET_BUF *Buf - ); - -INTN -TcpParseOption ( - IN TCP_HEAD *Tcp, - IN TCP_OPTION *Option - ); - -UINT32 -TcpPawsOK ( - IN TCP_CB *Tcb, - IN UINT32 TSVal - ); - -#endif +/** @file
+
+Copyright (c) 2005 - 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ Tcp4Option.h
+
+Abstract:
+
+
+**/
+
+#ifndef _TCP4_OPTION_H_
+#define _TCP4_OPTION_H_
+
+//
+// The structure to store the parse option value.
+// ParseOption only parse the options, don't process them.
+//
+typedef struct s_TCP_OPTION {
+ UINT8 Flag; // flag such as TCP_OPTION_RCVD_MSS
+ UINT8 WndScale; // the WndScale received
+ UINT16 Mss; // the Mss received
+ UINT32 TSVal; // the TSVal field in a timestamp option
+ UINT32 TSEcr; // the TSEcr field in a timestamp option
+} TCP_OPTION;
+
+enum {
+
+ //
+ // supported TCP option type and their length
+ //
+ TCP_OPTION_EOP = 0, // End Of oPtion
+ TCP_OPTION_NOP = 1, // No-Option.
+ TCP_OPTION_MSS = 2, // Maximum Segment Size
+ TCP_OPTION_WS = 3, // Window scale
+ TCP_OPTION_TS = 8, // Timestamp
+ TCP_OPTION_MSS_LEN = 4, // length of MSS option
+ TCP_OPTION_WS_LEN = 3, // length of window scale option
+ TCP_OPTION_TS_LEN = 10, // length of timestamp option
+ TCP_OPTION_WS_ALIGNED_LEN = 4, // length of window scale option, aligned
+ TCP_OPTION_TS_ALIGNED_LEN = 12, // length of timestamp option, aligned
+
+ //
+ // recommend format of timestamp window scale
+ // option for fast process.
+ //
+ TCP_OPTION_TS_FAST = ((TCP_OPTION_NOP << 24) |
+ (TCP_OPTION_NOP << 16) |
+ (TCP_OPTION_TS << 8) |
+ TCP_OPTION_TS_LEN),
+
+ TCP_OPTION_WS_FAST = ((TCP_OPTION_NOP << 24) |
+ (TCP_OPTION_WS << 16) |
+ (TCP_OPTION_WS_LEN << 8)),
+
+ TCP_OPTION_MSS_FAST = ((TCP_OPTION_MSS << 24) |
+ (TCP_OPTION_MSS_LEN << 16)),
+
+ //
+ // Other misc definations
+ //
+ TCP_OPTION_MAX_WS = 14, // Maxium window scale value
+ TCP_OPTION_MAX_WIN = 0xffff, // max window size in TCP header
+ TCP_OPTION_RCVD_MSS = 0x01,
+ TCP_OPTION_RCVD_WS = 0x02,
+ TCP_OPTION_RCVD_TS = 0x04
+};
+
+UINT8
+TcpComputeScale (
+ IN TCP_CB *Tcb
+ );
+
+UINT16
+TcpSynBuildOption (
+ IN TCP_CB *Tcb,
+ IN NET_BUF *Buf
+ );
+
+UINT16
+TcpBuildOption (
+ IN TCP_CB *Tcb,
+ IN NET_BUF *Buf
+ );
+
+INTN
+TcpParseOption (
+ IN TCP_HEAD *Tcp,
+ IN TCP_OPTION *Option
+ );
+
+UINT32
+TcpPawsOK (
+ IN TCP_CB *Tcb,
+ IN UINT32 TSVal
+ );
+
+#endif
|