date and time created 87/11/21 14:33:27 by karels

[unix-history] / usr / src / share / man / man4 / spp.4

diff --git a/usr/src/share/man/man4/spp.4 b/usr/src/share/man/man4/spp.4
index 13d831a..4f38f2a 100644 (file)
--- a/usr/src/share/man/man4/spp.4
+++ b/usr/src/share/man/man4/spp.4
@@ -2,7 +2,7 @@
 .\" 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.
 .\"

-.\"    @(#)spp.4       1.1 (Berkeley) %G%
+.\"    @(#)spp.4       1.2 (Berkeley) %G%

 .\"
 .TH SPP 4P "July 30, 1985"
 .UC 6
 .\"
 .TH SPP 4P "July 30, 1985"
 .UC 6


@@ -117,11 +117,19 @@ exists.
 SO_DEFAULT_HEADERS
 when set, this determines the data stream type and whether
 the end of message bit is to be set on every ensuing packet.
 SO_DEFAULT_HEADERS
 when set, this determines the data stream type and whether
 the end of message bit is to be set on every ensuing packet.

+.TP 20
+SO_MTU
+This specifies the maximum ammount of user data in a single packet.
+The default is 576 bytes - sizeof(struct spidp).  This quantity
+affects windowing -- increasing it without increasing the amount
+of buffering in the socket will lower the number of unread packets
+accepted.  Anything larger than the default will not be forwarded
+by a bona fide XEROX product internetwork router.
+The data argument for the setsockopt call must be
+an unsigned short.

 .SH SEE ALSO
 intro(4N), ns(4F)
 .SH BUGS
 .SH SEE ALSO
 intro(4N), ns(4F)
 .SH BUGS

-There should be a socket option to increase the nominal
-maximum SPP packet size.

 There should be some way to reflect record boundaries in
 a stream.
 For stream mode, there should be an option to get the data stream type of
 There should be some way to reflect record boundaries in
 a stream.
 For stream mode, there should be an option to get the data stream type of