diff options
| -rw-r--r-- | share/man/man5/pf.conf.5 | 58 |
1 files changed, 52 insertions, 6 deletions
diff --git a/share/man/man5/pf.conf.5 b/share/man/man5/pf.conf.5 index 280825bae13..bdce559c667 100644 --- a/share/man/man5/pf.conf.5 +++ b/share/man/man5/pf.conf.5 @@ -1,4 +1,4 @@ -.\" $OpenBSD: pf.conf.5,v 1.226 2003/04/29 10:36:34 dhartmei Exp $ +.\" $OpenBSD: pf.conf.5,v 1.227 2003/04/29 12:44:14 henning Exp $ .\" .\" Copyright (c) 2002, Daniel Hartmeier .\" All rights reserved. @@ -542,8 +542,6 @@ assigned. mainly controls the time packets take to get sent out, while .Ar bandwidth has primarily effects on throughput. -.It Ar hfsc -Hierarchical Fair Service Curve. .It Ar priq Priority Queueing. .Ar Queues @@ -561,6 +559,22 @@ Packets in the with the highest .Ar priority are processed first. +.It Ar hfsc +Hierarchical Fair Service Curve. +.Ar Queues +attached to an interface build a tree, thus each +.Ar queue +can have further child +.Ar queues . +Each queue can have a +.Ar priority +and a +.Ar bandwidth +assigned. +.Ar Priority +mainly controls the time packets take to get sent out, while +.Ar bandwidth +has primarily effects on throughput. .El .Pp The interfaces on which queueing should be activated are declared using @@ -578,10 +592,10 @@ Currently supported values are .Ar cbq for Class Based Queueing, -.Ar hfsc -for the Hierarchical Fair Service Curve scheduler, and .Ar priq -for Priority Queueing. +for Priority Queueing and +.Ar. hfsc +for the Hierarchical Fair Service Curve scheduler. .It Ar bandwidth <bw> The maximum bitrate for all queues on an interface may be specified using the @@ -703,6 +717,38 @@ supports an additional option: The queue can borrow bandwidth from the parent. .El .Pp +.Pp +The +.Ar hfsc +.Ar scheduler +supports some additional options: +.Bl -tag -width Fl +.It Ar realtime <sc> +The minimum required bandwidth for the queue. +.It Ar upperlimit <sc> +The maximum allowed bandwidth for the queue. +.It Ar linkshare <sc> +The bandwidth share of a backlogged queue. +.El +.Pp +<sc> is an acronym for +.Ar service curve . +.Pp +The format for service curve specifications is +.Ar ( m1 , d , m2 ) . +.Ar m2 +controls the bandwidth assigned to the queue. +.Ar m1 +and +.Ar d +are optional and can be used to control the initial bandwidth assignment. +For the first +.Ar d +milliseconds the queue gets the bandwidth given as +.Ar m1 , +afterwards the value given in +.Ar m2 . +.Pp Furthermore, with .Ar cbq and |