add user option for nodelay; define maxseg option (unused now)

SCCS-vsn: sys/netinet/tcp.h 6.4

diff --git a/usr/src/sys/netinet/tcp.h b/usr/src/sys/netinet/tcp.h
index c58e3ed..7f4f5c3 100644 (file)
--- a/usr/src/sys/netinet/tcp.h
+++ b/usr/src/sys/netinet/tcp.h
@@ -3,7 +3,7 @@
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *
  * All rights reserved.  The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  *

- *     @(#)tcp.h       6.3 (Berkeley) %G%
+ *     @(#)tcp.h       6.4 (Berkeley) %G%

  */
 
 typedef        u_long  tcp_seq;
  */
 
 typedef        u_long  tcp_seq;


@@ -42,3 +42,9 @@ struct tcphdr {
  *  but 512 is probably more convenient.
  */
 #define        TCP_MSS MIN(512, IP_MSS - sizeof (struct tcpiphdr))
  *  but 512 is probably more convenient.
  */
 #define        TCP_MSS MIN(512, IP_MSS - sizeof (struct tcpiphdr))

+
+/*
+ * User-settable options (used with setsockopt).
+ */
+#define        TCP_NODELAY     0x01    /* don't delay send to coalesce packets */
+#define        TCP_MAXSEG      0x02    /* set maximum segment size */