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tcp/tcb.h@74:c3756bfa960e, 2018-10-29 (annotated)

Committer:
andrewboyson
Date:
Mon Oct 29 09:33:44 2018 +0000
Revision:
74:c3756bfa960e
Parent:
71:736a5747ade1
Child:
78:9d8fc88df405
Introduced the polling for and split Tcp into tcpSend and TcpRecv. Testied and working.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
andrewboyson 74:c3756bfa960e 1 #ifndef TCB_H
andrewboyson 74:c3756bfa960e 2 #define TCB_H
andrewboyson 74:c3756bfa960e 3
andrewboyson 61:aad055f1b0d1 4 #include <stdint.h>
andrewboyson 61:aad055f1b0d1 5 #include <stdbool.h>
andrewboyson 61:aad055f1b0d1 6
andrewboyson 74:c3756bfa960e 7 #define TCB_EMPTY 0
andrewboyson 74:c3756bfa960e 8 #define TCB_SYN_RECEIVED 1
andrewboyson 74:c3756bfa960e 9 #define TCB_ESTABLISHED 2
andrewboyson 74:c3756bfa960e 10 #define TCB_CLOSE_FIN_WAIT 3
andrewboyson 74:c3756bfa960e 11 #define TCB_CLOSE_ACK_WAIT 4
andrewboyson 10:f0854784e960 12
andrewboyson 10:f0854784e960 13 struct tcb
andrewboyson 10:f0854784e960 14 {
andrewboyson 10:f0854784e960 15 int state;
andrewboyson 74:c3756bfa960e 16 uint32_t lastSendTime;
andrewboyson 74:c3756bfa960e 17 int remArIndex;
andrewboyson 74:c3756bfa960e 18 int ipType;
andrewboyson 74:c3756bfa960e 19 uint16_t remPort;
andrewboyson 74:c3756bfa960e 20 uint16_t locPort;
andrewboyson 74:c3756bfa960e 21 uint32_t remMss;
andrewboyson 74:c3756bfa960e 22 uint32_t window;
andrewboyson 74:c3756bfa960e 23
andrewboyson 74:c3756bfa960e 24 uint32_t remIsn;
andrewboyson 74:c3756bfa960e 25 uint32_t bytesRcvdFromRem;
andrewboyson 74:c3756bfa960e 26 uint32_t bytesAckdToRem;
andrewboyson 74:c3756bfa960e 27 bool rcvdFin;
andrewboyson 74:c3756bfa960e 28
andrewboyson 54:84ef2b29cf7e 29 int32_t todo;
andrewboyson 74:c3756bfa960e 30
andrewboyson 74:c3756bfa960e 31 uint32_t locIsn;
andrewboyson 74:c3756bfa960e 32 uint32_t bytesSentToRem;
andrewboyson 74:c3756bfa960e 33 uint32_t bytesAckdByRem;
andrewboyson 74:c3756bfa960e 34 bool sentFin;
andrewboyson 10:f0854784e960 35 };
andrewboyson 10:f0854784e960 36
andrewboyson 52:fbc5a46b5e16 37 extern uint32_t TcbElapsed;
andrewboyson 61:aad055f1b0d1 38 extern uint32_t TcbGetIsn(void);
andrewboyson 10:f0854784e960 39 extern struct tcb* TcbGetExisting(uint16_t port);
andrewboyson 61:aad055f1b0d1 40 extern struct tcb* TcbGetEmpty(void);
andrewboyson 74:c3756bfa960e 41 extern struct tcb* TcbGetNext(void);
andrewboyson 61:aad055f1b0d1 42 extern void TcbMain(void);
andrewboyson 74:c3756bfa960e 43 extern void TcbInit(void);
andrewboyson 74:c3756bfa960e 44
andrewboyson 74:c3756bfa960e 45 #endif