CVSROOT:        /cvs
Module name:    src
Changes by:     s...@cvs.openbsd.org    2016/01/14 02:44:08

Modified files:
        sys/kern       : tty.c tty_pty.c 
        sys/net        : ppp_tty.c 

Log message:
Increase buffer sizes and watermarks for tty and ppp

Use 115200 the default speed for buffer sizing in ttymalloc(). A lot
of devices call ttymalloc(0) so this affects quite a few of them.

Increases the buffer size for 9600 < baud <= 115200 from 1k to 4k.

Make ppp use the lo/hi watermarks from the tty layer which are
adjusted according to speed + buffer size. The previous fixed values
of 100 and 400 were way too small

Make pty call ttymalloc() with baud == 1000000, which is the common
value used in the tree for "fast".

ok deraadt@

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