/** @file\r
+ Tcp Protocol header file.\r
\r
-Copyright (c) 2005 - 2006, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
+http://opensource.org/licenses/bsd-license.php<BR>\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
-Module Name:\r
-\r
- Tcp4Proto.h\r
-\r
-Abstract:\r
-\r
-\r
**/\r
\r
#ifndef _TCP4_PROTO_H_\r
#include "Socket.h"\r
#include "Tcp4Option.h"\r
\r
+\r
+\r
+///\r
+/// Tcp states, Don't change their order, it is used as\r
+/// index to mTcpOutFlag and other macros\r
+///\r
+#define TCP_CLOSED 0\r
+#define TCP_LISTEN 1\r
+#define TCP_SYN_SENT 2\r
+#define TCP_SYN_RCVD 3\r
+#define TCP_ESTABLISHED 4\r
+#define TCP_FIN_WAIT_1 5\r
+#define TCP_FIN_WAIT_2 6\r
+#define TCP_CLOSING 7\r
+#define TCP_TIME_WAIT 8\r
+#define TCP_CLOSE_WAIT 9\r
+#define TCP_LAST_ACK 10\r
+\r
+\r
+///\r
+/// Flags in the TCP header\r
+///\r
+#define TCP_FLG_FIN 0x01\r
+#define TCP_FLG_SYN 0x02\r
+#define TCP_FLG_RST 0x04\r
+#define TCP_FLG_PSH 0x08\r
+#define TCP_FLG_ACK 0x10\r
+#define TCP_FLG_URG 0x20\r
+ \r
+ //\r
+ // mask for all the flags\r
+ //\r
+#define TCP_FLG_FLAG 0x3F \r
+\r
+\r
+#define TCP_CONNECT_REFUSED (-1) ///< TCP error status\r
+#define TCP_CONNECT_RESET (-2) ///< TCP error status\r
+#define TCP_CONNECT_CLOSED (-3) ///< TCP error status\r
+\r
//\r
-// tcp states, Don't change their order, it is used as\r
-// index to mTcpOutFlag and other macros\r
+// Current congestion status as suggested by RFC3782.\r
//\r
-enum {\r
- TCP_CLOSED = 0,\r
- TCP_LISTEN,\r
- TCP_SYN_SENT,\r
- TCP_SYN_RCVD,\r
- TCP_ESTABLISHED,\r
- TCP_FIN_WAIT_1,\r
- TCP_FIN_WAIT_2,\r
- TCP_CLOSING,\r
- TCP_TIME_WAIT,\r
- TCP_CLOSE_WAIT,\r
- TCP_LAST_ACK\r
-};\r
+#define TCP_CONGEST_RECOVER 1 ///< During the NewReno fast recovery\r
+#define TCP_CONGEST_LOSS 2 ///< Retxmit because of retxmit time out\r
+#define TCP_CONGEST_OPEN 3 ///< TCP is opening its congestion window\r
\r
//\r
-// flags in the TCP header\r
+// TCP control flags\r
//\r
-enum {\r
-\r
- TCP_FLG_FIN = 0x01,\r
- TCP_FLG_SYN = 0x02,\r
- TCP_FLG_RST = 0x04,\r
- TCP_FLG_PSH = 0x08,\r
- TCP_FLG_ACK = 0x10,\r
- TCP_FLG_URG = 0x20,\r
- TCP_FLG_FLAG = 0x3F // mask for all the flags\r
-};\r
-\r
-enum {\r
-\r
- //\r
- // TCP error status\r
- //\r
- TCP_CONNECT_REFUSED = -1,\r
- TCP_CONNECT_RESET = -2,\r
- TCP_CONNECT_CLOSED = -3,\r
+#define TCP_CTRL_NO_NAGLE 0x0001 ///< Disable Nagle algorithm\r
+#define TCP_CTRL_NO_KEEPALIVE 0x0002 ///< Disable keepalive timer\r
+#define TCP_CTRL_NO_WS 0x0004 ///< Disable window scale option\r
+#define TCP_CTRL_RCVD_WS 0x0008 ///< Received a wnd scale option in syn\r
+#define TCP_CTRL_NO_TS 0x0010 ///< Disable Timestamp option\r
+#define TCP_CTRL_RCVD_TS 0x0020 ///< Received a Timestamp option in syn\r
+#define TCP_CTRL_SND_TS 0x0040 ///< Send Timestamp option to remote\r
+#define TCP_CTRL_SND_URG 0x0080 ///< In urgent send mode\r
+#define TCP_CTRL_RCVD_URG 0x0100 ///< In urgent receive mode\r
+#define TCP_CTRL_SND_PSH 0x0200 ///< In PUSH send mode\r
+#define TCP_CTRL_FIN_SENT 0x0400 ///< FIN is sent\r
+#define TCP_CTRL_FIN_ACKED 0x0800 ///< FIN is ACKed.\r
+#define TCP_CTRL_TIMER_ON 0x1000 ///< At least one of the timer is on\r
+#define TCP_CTRL_RTT_ON 0x2000 ///< The RTT measurement is on\r
+#define TCP_CTRL_ACK_NOW 0x4000 ///< Send the ACK now, don't delay\r
\r
- //\r
- // Current congestion status as suggested by RFC3782.\r
- //\r
- TCP_CONGEST_RECOVER = 1, // during the NewReno fast recovery\r
- TCP_CONGEST_LOSS = 2, // retxmit because of retxmit time out\r
- TCP_CONGEST_OPEN = 3, // TCP is opening its congestion window\r
-\r
- //\r
- // TCP control flags\r
- //\r
- TCP_CTRL_NO_NAGLE = 0x0001, // disable Nagle algorithm\r
- TCP_CTRL_NO_KEEPALIVE = 0x0002, // disable keepalive timer\r
- TCP_CTRL_NO_WS = 0x0004, // disable window scale option\r
- TCP_CTRL_RCVD_WS = 0x0008, // rcvd a wnd scale option in syn\r
- TCP_CTRL_NO_TS = 0x0010, // disable Timestamp option\r
- TCP_CTRL_RCVD_TS = 0x0020, // rcvd a Timestamp option in syn\r
- TCP_CTRL_SND_TS = 0x0040, // Send Timestamp option to remote\r
- TCP_CTRL_SND_URG = 0x0080, // in urgent send mode\r
- TCP_CTRL_RCVD_URG = 0x0100, // in urgent receive mode\r
- TCP_CTRL_SND_PSH = 0x0200, // in PUSH send mode\r
- TCP_CTRL_FIN_SENT = 0x0400, // FIN is sent\r
- TCP_CTRL_FIN_ACKED = 0x0800, // FIN is ACKed.\r
- TCP_CTRL_TIMER_ON = 0x1000, // At least one of the timer is on\r
- TCP_CTRL_RTT_ON = 0x2000, // The RTT measurement is on\r
- TCP_CTRL_ACK_NOW = 0x4000, // Send the ACK now, don't delay\r
-\r
- //\r
- // Timer related values\r
- //\r
- TCP_TIMER_CONNECT = 0, // Connection establishment timer\r
- TCP_TIMER_REXMIT = 1, // retransmit timer\r
- TCP_TIMER_PROBE = 2, // Window probe timer\r
- TCP_TIMER_KEEPALIVE = 3, // Keepalive timer\r
- TCP_TIMER_FINWAIT2 = 4, // FIN_WAIT_2 timer\r
- TCP_TIMER_2MSL = 5, // TIME_WAIT tiemr\r
- TCP_TIMER_NUMBER = 6, // the total number of TCP timer.\r
- TCP_TICK = 200, // every TCP tick is 200ms\r
- TCP_TICK_HZ = 5, // the frequence of TCP tick\r
- TCP_RTT_SHIFT = 3, // SRTT & RTTVAR scaled by 8\r
- TCP_RTO_MIN = TCP_TICK_HZ, // the minium value of RTO\r
- TCP_RTO_MAX = TCP_TICK_HZ *60, // the maxium value of RTO\r
- TCP_FOLD_RTT = 4, // timeout threshod to fold RTT\r
-\r
- //\r
- // default values for some timers\r
- //\r
- TCP_MAX_LOSS = 12, // default max times to retxmit\r
- TCP_KEEPALIVE_IDLE_MIN = TCP_TICK_HZ *60 *60 *2, // First keep alive\r
- TCP_KEEPALIVE_PERIOD = TCP_TICK_HZ *60,\r
- TCP_MAX_KEEPALIVE = 8,\r
- TCP_FIN_WAIT2_TIME = 2 *TCP_TICK_HZ, // * 60,\r
- TCP_TIME_WAIT_TIME = 2 *TCP_TICK_HZ,\r
- TCP_PAWS_24DAY = 24 *24 *60 *60 *TCP_TICK_HZ,\r
- TCP_CONNECT_TIME = 75 *TCP_TICK_HZ,\r
+//\r
+// Timer related values\r
+//\r
+#define TCP_TIMER_CONNECT 0 ///< Connection establishment timer\r
+#define TCP_TIMER_REXMIT 1 ///< Retransmit timer\r
+#define TCP_TIMER_PROBE 2 ///< Window probe timer\r
+#define TCP_TIMER_KEEPALIVE 3 ///< Keepalive timer\r
+#define TCP_TIMER_FINWAIT2 4 ///< FIN_WAIT_2 timer\r
+#define TCP_TIMER_2MSL 5 ///< TIME_WAIT tiemr\r
+#define TCP_TIMER_NUMBER 6 ///< The total number of TCP timer.\r
+#define TCP_TICK 200 ///< Every TCP tick is 200ms\r
+#define TCP_TICK_HZ 5 ///< The frequence of TCP tick\r
+#define TCP_RTT_SHIFT 3 ///< SRTT & RTTVAR scaled by 8\r
+#define TCP_RTO_MIN TCP_TICK_HZ ///< The minium value of RTO\r
+#define TCP_RTO_MAX (TCP_TICK_HZ * 60) ///< The maxium value of RTO\r
+#define TCP_FOLD_RTT 4 ///< Timeout threshod to fold RTT\r
\r
- //\r
- // The header space to be reserved before TCP data to accomodate :\r
- // 60byte IP head + 60byte TCP head + link layer head\r
- //\r
- TCP_MAX_HEAD = 192,\r
+//\r
+// Default values for some timers\r
+//\r
+#define TCP_MAX_LOSS 12 ///< Default max times to retxmit\r
+#define TCP_KEEPALIVE_IDLE_MIN (TCP_TICK_HZ * 60 * 60 * 2) ///< First keep alive\r
+#define TCP_KEEPALIVE_PERIOD (TCP_TICK_HZ * 60)\r
+#define TCP_MAX_KEEPALIVE 8\r
+#define TCP_FIN_WAIT2_TIME (2 * TCP_TICK_HZ)\r
+#define TCP_TIME_WAIT_TIME (2 * TCP_TICK_HZ)\r
+#define TCP_PAWS_24DAY (24 * 24 * 60 * 60 * TCP_TICK_HZ)\r
+#define TCP_CONNECT_TIME (75 * TCP_TICK_HZ)\r
\r
- //\r
- // value ranges for some control option\r
- //\r
- TCP_RCV_BUF_SIZE = 2 *1024 *1024,\r
- TCP_RCV_BUF_SIZE_MIN = 8 *1024,\r
- TCP_SND_BUF_SIZE = 2 *1024 *1024,\r
- TCP_SND_BUF_SIZE_MIN = 8 *1024,\r
- TCP_BACKLOG = 10,\r
- TCP_BACKLOG_MIN = 5,\r
- TCP_MAX_LOSS_MIN = 6,\r
- TCP_CONNECT_TIME_MIN = 60 *TCP_TICK_HZ,\r
- TCP_MAX_KEEPALIVE_MIN = 4,\r
- TCP_KEEPALIVE_IDLE_MAX = TCP_TICK_HZ *60 *60 *4,\r
- TCP_KEEPALIVE_PERIOD_MIN= TCP_TICK_HZ *30,\r
- TCP_FIN_WAIT2_TIME_MAX = 4 *TCP_TICK_HZ,\r
- TCP_TIME_WAIT_TIME_MAX = 60 *TCP_TICK_HZ\r
-};\r
+//\r
+// The header space to be reserved before TCP data to accomodate :\r
+// 60byte IP head + 60byte TCP head + link layer head\r
+//\r
+#define TCP_MAX_HEAD 192\r
\r
+//\r
+// Value ranges for some control option\r
+//\r
+#define TCP_RCV_BUF_SIZE (2 * 1024 * 1024)\r
+#define TCP_RCV_BUF_SIZE_MIN (8 * 1024)\r
+#define TCP_SND_BUF_SIZE (2 * 1024 * 1024)\r
+#define TCP_SND_BUF_SIZE_MIN (8 * 1024)\r
+#define TCP_BACKLOG 10\r
+#define TCP_BACKLOG_MIN 5\r
+#define TCP_MAX_LOSS_MIN 6\r
+#define TCP_CONNECT_TIME_MIN (60 * TCP_TICK_HZ)\r
+#define TCP_MAX_KEEPALIVE_MIN 4\r
+#define TCP_KEEPALIVE_IDLE_MAX (TCP_TICK_HZ * 60 * 60 * 4)\r
+#define TCP_KEEPALIVE_PERIOD_MIN (TCP_TICK_HZ * 30)\r
+#define TCP_FIN_WAIT2_TIME_MAX (4 * TCP_TICK_HZ)\r
+#define TCP_TIME_WAIT_TIME_MAX (60 * TCP_TICK_HZ)\r
+\r
+///\r
+/// TCP segmentation data\r
+///\r
typedef struct _TCP_SEG {\r
- TCP_SEQNO Seq; // Starting sequence number\r
- TCP_SEQNO End; // The sequence of the last byte + 1,\r
- // include SYN/FIN. End-Seq = SEG.LEN\r
- TCP_SEQNO Ack; // ACK fild in the segment\r
- UINT8 Flag; // TCP header flags\r
- UINT16 Urg; // Valid if URG flag is set.\r
- UINT32 Wnd; // TCP window size field\r
+ TCP_SEQNO Seq; ///< Starting sequence number\r
+ TCP_SEQNO End; ///< The sequence of the last byte + 1, include SYN/FIN. End-Seq = SEG.LEN\r
+ TCP_SEQNO Ack; ///< ACK field in the segment\r
+ UINT8 Flag; ///< TCP header flags\r
+ UINT16 Urg; ///< Valid if URG flag is set.\r
+ UINT32 Wnd; ///< TCP window size field\r
} TCP_SEG;\r
\r
+///\r
+/// Network endpoint, IP+Port structure\r
+///\r
typedef struct _TCP_PEER {\r
- UINT32 Ip; // Network byte order\r
- TCP_PORTNO Port; // Network byte order\r
+ UINT32 Ip; ///< IP address, network byte order\r
+ TCP_PORTNO Port; ///< Port number, network byte order\r
} TCP_PEER;\r
\r
-//\r
-// tcp control block, it includes various states\r
-//\r
+///\r
+/// TCP control block, it includes various states\r
+///\r
struct _TCP_CB {\r
- NET_LIST_ENTRY List;\r
- TCP_CB *Parent;\r
+ LIST_ENTRY List; ///< Back and forward link entry\r
+ TCP_CB *Parent; ///< The parent TCP_CB structure\r
\r
- SOCKET *Sk;\r
- TCP_PEER LocalEnd;\r
- TCP_PEER RemoteEnd;\r
+ SOCKET *Sk; ///< The socket it controled.\r
+ TCP_PEER LocalEnd; ///< Local endpoint\r
+ TCP_PEER RemoteEnd;///< Remote endpoint\r
\r
- NET_LIST_ENTRY SndQue; // retxmission queue\r
- NET_LIST_ENTRY RcvQue; // reassemble queue\r
- UINT32 CtrlFlag; // control flags, such as NO_NAGLE\r
- INT32 Error; // soft error status,TCP_CONNECT_RESET...\r
+ LIST_ENTRY SndQue; ///< Retxmission queue\r
+ LIST_ENTRY RcvQue; ///< Reassemble queue\r
+ UINT32 CtrlFlag; ///< Control flags, such as NO_NAGLE\r
+ INT32 Error; ///< Soft error status, such as TCP_CONNECT_RESET\r
\r
//\r
// RFC793 and RFC1122 defined variables\r
//\r
- UINT8 State; // TCP state, such as SYN_SENT, LISTEN\r
- UINT8 DelayedAck; // number of delayed ACKs\r
- UINT16 HeadSum; // checksum of the fixed parts of pesudo\r
- // header: Src IP, Dst IP, 0, Protocol,\r
- // not include the TCP length.\r
-\r
- TCP_SEQNO Iss; // Initial Sending Sequence\r
- TCP_SEQNO SndUna; // first unacknowledged data\r
- TCP_SEQNO SndNxt; // next data sequence to send.\r
- TCP_SEQNO SndPsh; // Send PUSH point\r
- TCP_SEQNO SndUp; // Send urgent point\r
- UINT32 SndWnd; // Window advertised by the remote peer\r
- UINT32 SndWndMax; // max send window advertised by the peer\r
- TCP_SEQNO SndWl1; // Seq number used for last window update\r
- TCP_SEQNO SndWl2; // ack no of last window update\r
- UINT16 SndMss; // Max send segment size\r
- TCP_SEQNO RcvNxt; // Next sequence no to receive\r
- UINT32 RcvWnd; // Window advertised by the local peer\r
- TCP_SEQNO RcvWl2; // The RcvNxt (or ACK) of last window update.\r
- // It is necessary because of delayed ACK\r
-\r
- TCP_SEQNO RcvUp; // urgent point;\r
- TCP_SEQNO Irs; // Initial Receiving Sequence\r
- UINT16 RcvMss; // Max receive segment size\r
- UINT16 EnabledTimer; // which timer is currently enabled\r
- UINT32 Timer[TCP_TIMER_NUMBER]; // when the timer will expire\r
- INT32 NextExpire; // count down offset for the nearest timer\r
- UINT32 Idle; // How long the connection is in idle\r
- UINT32 ProbeTime; // the time out value for current window prober\r
+ UINT8 State; ///< TCP state, such as SYN_SENT, LISTEN\r
+ UINT8 DelayedAck; ///< Number of delayed ACKs\r
+ UINT16 HeadSum; ///< Checksum of the fixed parts of pesudo\r
+ ///< header: Src IP, Dst IP, 0, Protocol,\r
+ ///< not include the TCP length.\r
+\r
+ TCP_SEQNO Iss; ///< Initial Sending Sequence\r
+ TCP_SEQNO SndUna; ///< First unacknowledged data\r
+ TCP_SEQNO SndNxt; ///< Next data sequence to send.\r
+ TCP_SEQNO SndPsh; ///< Send PUSH point\r
+ TCP_SEQNO SndUp; ///< Send urgent point\r
+ UINT32 SndWnd; ///< Window advertised by the remote peer\r
+ UINT32 SndWndMax; ///< Max send window advertised by the peer\r
+ TCP_SEQNO SndWl1; ///< Seq number used for last window update\r
+ TCP_SEQNO SndWl2; ///< Ack no of last window update\r
+ UINT16 SndMss; ///< Max send segment size\r
+ TCP_SEQNO RcvNxt; ///< Next sequence no to receive\r
+ UINT32 RcvWnd; ///< Window advertised by the local peer\r
+ TCP_SEQNO RcvWl2; ///< The RcvNxt (or ACK) of last window update.\r
+ ///< It is necessary because of delayed ACK\r
+\r
+ TCP_SEQNO RcvUp; ///< Urgent point;\r
+ TCP_SEQNO Irs; ///< Initial Receiving Sequence\r
+ UINT16 RcvMss; ///< Max receive segment size\r
+ UINT16 EnabledTimer; ///< Which timer is currently enabled\r
+ UINT32 Timer[TCP_TIMER_NUMBER]; ///< When the timer will expire\r
+ INT32 NextExpire; ///< Count down offset for the nearest timer\r
+ UINT32 Idle; ///< How long the connection is in idle\r
+ UINT32 ProbeTime; ///< The time out value for current window prober\r
+ BOOLEAN ProbeTimerOn;///< If TRUE, the probe time is on.\r
\r
//\r
// RFC1323 defined variables, about window scale,\r
// timestamp and PAWS\r
//\r
- UINT8 SndWndScale; // Wndscale received from the peer\r
- UINT8 RcvWndScale; // Wndscale used to scale local buffer\r
- UINT32 TsRecent; // TsRecent to echo to the remote peer\r
- UINT32 TsRecentAge; // When this TsRecent is updated\r
-\r
- // TCP_SEQNO LastAckSent;\r
- // It isn't necessary to add LastAckSent here,\r
- // since it is the same as RcvWl2\r
+ UINT8 SndWndScale; ///< Wndscale received from the peer\r
+ UINT8 RcvWndScale; ///< Wndscale used to scale local buffer\r
+ UINT32 TsRecent; ///< TsRecent to echo to the remote peer\r
+ UINT32 TsRecentAge; ///< When this TsRecent is updated\r
\r
//\r
// RFC2988 defined variables. about RTT measurement\r
//\r
- TCP_SEQNO RttSeq; // the seq of measured segment now\r
- UINT32 RttMeasure; // currently measured RTT in heart beats\r
- UINT32 SRtt; // Smoothed RTT, scaled by 8\r
- UINT32 RttVar; // RTT variance, scaled by 8\r
- UINT32 Rto; // Current RTO, not scaled\r
+ TCP_SEQNO RttSeq; ///< The seq of measured segment now\r
+ UINT32 RttMeasure; ///< Currently measured RTT in heart beats\r
+ UINT32 SRtt; ///< Smoothed RTT, scaled by 8\r
+ UINT32 RttVar; ///< RTT variance, scaled by 8\r
+ UINT32 Rto; ///< Current RTO, not scaled\r
\r
//\r
// RFC2581, and 3782 variables.\r
// Congestion control + NewReno fast recovery.\r
//\r
- UINT32 CWnd; // Sender's congestion window\r
- UINT32 Ssthresh; // Slow start threshold.\r
- TCP_SEQNO Recover; // recover point for NewReno\r
- UINT16 DupAck; // number of duplicate ACKs\r
- UINT8 CongestState; // the current congestion state(RFC3782)\r
- UINT8 LossTimes; // number of retxmit timeouts in a row\r
- TCP_SEQNO LossRecover; // recover point for retxmit\r
+ UINT32 CWnd; ///< Sender's congestion window\r
+ UINT32 Ssthresh; ///< Slow start threshold.\r
+ TCP_SEQNO Recover; ///< Recover point for NewReno\r
+ UINT16 DupAck; ///< Number of duplicate ACKs\r
+ UINT8 CongestState; ///< The current congestion state(RFC3782)\r
+ UINT8 LossTimes; ///< Number of retxmit timeouts in a row\r
+ TCP_SEQNO LossRecover; ///< Recover point for retxmit\r
\r
//\r
// configuration parameters, for EFI_TCP4_PROTOCOL specification\r
//\r
- UINT32 KeepAliveIdle; // idle time before sending first probe\r
- UINT32 KeepAlivePeriod; // interval for subsequent keep alive probe\r
- UINT8 MaxKeepAlive; // Maxium keep alive probe times.\r
- UINT8 KeepAliveProbes; // the number of keep alive probe.\r
- UINT16 MaxRexmit; // The maxium number of retxmit before abort\r
- UINT32 FinWait2Timeout; // The FIN_WAIT_2 time out\r
- UINT32 TimeWaitTimeout; // The TIME_WAIT time out\r
- UINT32 ConnectTimeout;\r
+ UINT32 KeepAliveIdle; ///< Idle time before sending first probe\r
+ UINT32 KeepAlivePeriod; ///< Interval for subsequent keep alive probe\r
+ UINT8 MaxKeepAlive; ///< Maxium keep alive probe times.\r
+ UINT8 KeepAliveProbes; ///< The number of keep alive probe.\r
+ UINT16 MaxRexmit; ///< The maxium number of retxmit before abort\r
+ UINT32 FinWait2Timeout; ///< The FIN_WAIT_2 time out\r
+ UINT32 TimeWaitTimeout; ///< The TIME_WAIT time out\r
+ UINT32 ConnectTimeout; ///< The connect establishment time out\r
\r
//\r
// configuration for tcp provided by user\r
//\r
BOOLEAN UseDefaultAddr;\r
- UINT8 TOS;\r
- UINT8 TTL;\r
+ UINT8 Tos;\r
+ UINT8 Ttl;\r
EFI_IPv4_ADDRESS SubnetMask;\r
\r
- //\r
- // pointer reference to Ip used to send pkt\r
- //\r
- IP_IO_IP_INFO *IpInfo;\r
+ IP_IO_IP_INFO *IpInfo; ///<pointer reference to Ip used to send pkt\r
};\r
\r
-extern NET_LIST_ENTRY mTcpRunQue;\r
-extern NET_LIST_ENTRY mTcpListenQue;\r
+extern LIST_ENTRY mTcpRunQue;\r
+extern LIST_ENTRY mTcpListenQue;\r
extern TCP_SEQNO mTcpGlobalIss;\r
extern UINT32 mTcpTick;\r
\r
-//\r
-// TCP_CONNECTED: both ends have synchronized their ISN.\r
-//\r
+///\r
+/// TCP_CONNECTED: both ends have synchronized their ISN.\r
+///\r
#define TCP_CONNECTED(state) ((state) > TCP_SYN_RCVD)\r
\r
#define TCP_FIN_RCVD(State) \\r
//\r
#define TCP_SUB_SEQ(Seq1, Seq2) ((UINT32) ((Seq1) - (Seq2)))\r
\r
+//\r
+// Check whether Flag is on\r
+//\r
#define TCP_FLG_ON(Value, Flag) ((BOOLEAN) (((Value) & (Flag)) != 0))\r
+\r
+//\r
+// Set and Clear operation on a Flag\r
+//\r
#define TCP_SET_FLG(Value, Flag) ((Value) |= (Flag))\r
#define TCP_CLEAR_FLG(Value, Flag) ((Value) &= ~(Flag))\r
\r
//\r
-// test whether two peers are equal\r
+// Test whether two peers are equal\r
//\r
#define TCP_PEER_EQUAL(Pa, Pb) \\r
(((Pa)->Ip == (Pb)->Ip) && ((Pa)->Port == (Pb)->Port))\r
\r
//\r
-// test whether Pa matches Pb, or Pa is more specific\r
+// Test whether Pa matches Pb, or Pa is more specific\r
// than pb. Zero means wildcard.\r
//\r
#define TCP_PEER_MATCH(Pa, Pb) \\r
typedef\r
VOID\r
(*TCP_TIMER_HANDLER) (\r
- IN TCP_CB * Tcb\r
+ IN OUT TCP_CB *Tcb\r
);\r
\r
-#include "Tcp4Func.h"\r
#endif\r
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