more cleanups, fields in ucb.h

[unix-history] / usr / src / sys / netinet / tcp.h

diff --git a/usr/src/sys/netinet/tcp.h b/usr/src/sys/netinet/tcp.h
index fbd1d4f..2d47941 100644 (file)
--- a/usr/src/sys/netinet/tcp.h
+++ b/usr/src/sys/netinet/tcp.h
@@ -1,4 +1,4 @@
-/* tcp.h 1.12 81/11/03 */
+/* tcp.h 1.13 81/11/04 */

 
 /*
  * Tcp header.  Fits over the ip header after option removed.
 
 /*
  * Tcp header.  Fits over the ip header after option removed.


@@ -41,10 +41,13 @@ struct th {
  * Tcp control block.
  */
 struct tcb {
  * Tcp control block.
  */
 struct tcb {

+/* first four elements of this struct must match tcphead below */

        struct  th *t_rcv_next;         /* first el on rcv queue */
        struct  th *t_rcv_prev;         /* last el on rcv queue */
        struct  tcb *tcb_next;          /* next tcb */
        struct  tcb *tcb_prev;          /* next tcb */
        struct  th *t_rcv_next;         /* first el on rcv queue */
        struct  th *t_rcv_prev;         /* last el on rcv queue */
        struct  tcb *tcb_next;          /* next tcb */
        struct  tcb *tcb_prev;          /* next tcb */

+/* end must match */
+       struct  th *t_template;         /* skeletal packet for transmit */

        struct  ucb *t_ucb;             /* ucb */
        struct  mbuf *t_rcv_unack;      /* unacked message queue */
        short   seqcnt;
        struct  ucb *t_ucb;             /* ucb */
        struct  mbuf *t_rcv_unack;      /* unacked message queue */
        short   seqcnt;


@@ -137,18 +140,19 @@ struct tcbhead {
     (((x)->tc_flags&TC_USR_ABORT) || \
       ((x)->t_ucb->uc_rbuf == NULL && (x)->t_rcv_next == (x)->t_rcv_prev))
 
     (((x)->tc_flags&TC_USR_ABORT) || \
       ((x)->t_ucb->uc_rbuf == NULL && (x)->t_rcv_next == (x)->t_rcv_prev))
 

+#define        ISSINCR         128             /* increment for iss each second */
+#define        TCPSIZE         20              /* size of TCP leader (bytes) */
+

 /*
  * THESE NEED TO BE JUSTIFIED!
  */
 /*
  * THESE NEED TO BE JUSTIFIED!
  */

-#define        ISSINCR         128             /* increment for iss each second */
-#define        TCPROTO         6               /* TCP-4 protocol number */
-#define        TCPSIZE         20              /* size of TCP leader (bytes) */

 #define        T_2ML           10              /* 2*maximum packet lifetime */
 #define        T_PERS          5               /* persist time */
 #define        T_INIT          30              /* init too long timeout */
 #define        T_REXMT         1               /* base for retransmission time */
 #define        T_REXMTTL       30              /* retransmit too long timeout */
 #define        T_REMAX         30              /* maximum retransmission time */
 #define        T_2ML           10              /* 2*maximum packet lifetime */
 #define        T_PERS          5               /* persist time */
 #define        T_INIT          30              /* init too long timeout */
 #define        T_REXMT         1               /* base for retransmission time */
 #define        T_REXMTTL       30              /* retransmit too long timeout */
 #define        T_REMAX         30              /* maximum retransmission time */

+

 #define        ACTIVE          1               /* active open */
 #define        PASSIVE         0               /* passive open */
 
 #define        ACTIVE          1               /* active open */
 #define        PASSIVE         0               /* passive open */
 


@@ -187,3 +191,4 @@ struct      th *tcp_template();
 #define        SEQ_LEQ(a,b)    ((int)((a)-(b)) <= 0)
 #define        SEQ_GT(a,b)     ((int)((a)-(b)) > 0)
 #define        SEQ_GEQ(a,b)    ((int)((a)-(b)) >= 0)
 #define        SEQ_LEQ(a,b)    ((int)((a)-(b)) <= 0)
 #define        SEQ_GT(a,b)     ((int)((a)-(b)) > 0)
 #define        SEQ_GEQ(a,b)    ((int)((a)-(b)) >= 0)

+struct th *tcp_template();