diff options
author | Mike Pechkin <mpech@cvs.openbsd.org> | 2001-10-05 14:45:55 +0000 |
---|---|---|
committer | Mike Pechkin <mpech@cvs.openbsd.org> | 2001-10-05 14:45:55 +0000 |
commit | e7d0adf95322ccbac21d361be1700e9edb07eff2 (patch) | |
tree | 0a7ba8b2db2a1f697897ee36c97e0c9344da12c9 /share/man/man4/options.4 | |
parent | 7ef5a345919c1cba77bdfe5ffcf43dde619dabd4 (diff) |
Powered by @mantoya:
o) start new sentence on a new line;
o) minor mdoc fixes;
millert@ ok
Tip of the day: www.mpechismazohist.com
Diffstat (limited to 'share/man/man4/options.4')
-rw-r--r-- | share/man/man4/options.4 | 83 |
1 files changed, 45 insertions, 38 deletions
diff --git a/share/man/man4/options.4 b/share/man/man4/options.4 index f426584dda5..8a8b8d4876b 100644 --- a/share/man/man4/options.4 +++ b/share/man/man4/options.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: options.4,v 1.83 2001/10/04 10:28:20 wilfried Exp $ +.\" $OpenBSD: options.4,v 1.84 2001/10/05 14:45:53 mpech Exp $ .\" $NetBSD: options.4,v 1.21 1997/06/25 03:13:00 thorpej Exp $ .\" .\" Copyright (c) 1998 Theo de Raadt @@ -296,7 +296,8 @@ Includes code implementing the AmigaDOS Fast File System .Em ( ADOSFS ) . Note that the Professional and Smart File Systems are .Em not -supported. See +supported. +See .Xr mount_ados 8 for details. .It Cd option EXT2FS @@ -811,21 +812,23 @@ Enables PFKEYv2 (RFC 2367) support. While not IP specific, this option is usually used in conjunction with option .Em IPSEC . .It Cd option ALTQ -Enables ALTQ (Alternate Queueing). For simple rate-limiting, use +Enables ALTQ (Alternate Queueing). +For simple rate-limiting, use .Xr tbrconfig 8 -to set up the interface transmission rate. To use queueing disciplines, -their options should also be defined. Queueing disciplines are -managed by +to set up the interface transmission rate. +To use queueing disciplines, their options should also be defined. +Queueing disciplines are managed by .Xr altqd 8 . See .Xr altq 9 for details on ALTQ. .It Cd option ALTQ_CBQ -Enables ALTQ's CBQ (Class-based Queueing) module. CBQ achieves both -partitioning and sharing of link bandwidth by hierarchically -structured classes. Each class has its own queue and is assigned its -share of bandwidth. A child class can borrow bandwidth from its -parent class as long as excess bandwidth is available. +Enables ALTQ's CBQ (Class-based Queueing) module. +CBQ achieves both partitioning and sharing of link bandwidth by hierarchically +structured classes. +Each class has its own queue and is assigned its share of bandwidth. +A child class can borrow bandwidth from its parent class as long as excess +bandwidth is available. .It Cd option ALTQ_HFSC Enables ALTQ's HFSC (Hierarchical Fair Service Curve) module. HFSC supports both link-sharing and guaranteed real-time services. @@ -833,14 +836,14 @@ H-FSC employs a service curve based QoS model, and its unique feature is an ability to decouple delay and bandwidth allocation. .It Cd option ALTQ_PRIQ Enables ALTQ's PRIQ (Priority Queueing) module. -PRIQ implements a simple priority-based queueing. A higher priority -class is always served first. +PRIQ implements a simple priority-based queueing. +A higher priority class is always served first. .It Cd option ALTQ_WFQ Enables ALTQ's WFQ (Weighted Fair Queueing) module. WFQ implements a weighted-round robin scheduler for a set of queues. A weight can be assigned to each queue to give a different proportion -of the link capacity. A hash function is used to map a flow to one of -a set of queues. +of the link capacity. +A hash function is used to map a flow to one of a set of queues. .It Cd option ALTQ_FIFOQ Enables ALTQ's FIFO queue module. FIFOQ is a simple drop-tail FIFO queue. @@ -848,35 +851,38 @@ FIFOQ is a simple drop-tail FIFO queue. Enables ALTQ's RED (Random Early Detection) module. RED is an implicit congestion notification mechanism that exercises packet dropping or packet marking stochastically according to the -average queue length. RED can be viewed as an active buffer -management mechanism and can be integrated into other queueing -disciplines. +average queue length. +RED can be viewed as an active buffer management mechanism and can be +integrated into other queueing disciplines. .It Cd option ALTQ_RIO Enables ALTQ's RIO (RED with In/Oout) module. The original RIO has 2 sets of RED parameters; one for in-profile -packets and the other for out-of-profile packets. At the ingress of -the network, profile meters tag packets as IN or OUT based on -contracted profiles for customers. Inside the network, IN packets -receive preferential treatment by the RIO dropper. +packets and the other for out-of-profile packets. +At the ingress of the network, profile meters tag packets as IN or +OUT based on contracted profiles for customers. +Inside the network, IN packets receive preferential treatment by +the RIO dropper. ALTQ/RIO has 3 drop precedence levels defined for the Assured Forwarding PHB of DiffServ (RFC2597). .It Cd option ALTQ_BLUE Enables ALTQ's Blue module. Blue is another active buffer management mechanism. .It Cd option ALTQ_FLOWVALVE -Enables ALTQ's Flowvalve module. Flowvalve is a simple implementation -of a RED penalty box that identifies and punishes misbehaving flows. +Enables ALTQ's Flowvalve module. +Flowvalve is a simple implementation of a RED penalty box that identifies +and punishes misbehaving flows. .It Cd option ALTQ_CDNR Enables ALTQ's CDNR (diffserfv traffic conditioner) module. Traffic conditioners are components to meter, mark, or drop incoming -packets according to some rules. As opposed to queueing disciplines, -traffic conditioners handle incoming packets at an input interface. +packets according to some rules. +As opposed to queueing disciplines, traffic conditioners handle incoming +packets at an input interface. .It Cd option ALTQ_NOPCC Disables use of processor cycle counter (e.g., Pentium TSC on i386 and -PCC on alpha) to measure time in ALTQ. This option should be defined -for a non-Pentium i386 CPU which does not have TSC, SMP (per-CPU -counters are not in sync), or power management which affects processor -cycle counter. +PCC on alpha) to measure time in ALTQ. +This option should be defined for a non-Pentium i386 CPU which does not +have TSC, SMP (per-CPU counters are not in sync), or power management +which affects processor cycle counter. .El .Ss SCSI Subsystem Options .Bl -ohang @@ -926,22 +932,24 @@ See for the default. .It Cd option SEMMNI=value Number of semaphore identifiers (also called semaphore handles -and semaphore sets) available in the system. Default value is 10. +and semaphore sets) available in the system. +Default value is 10. The kernel allocates memory for the control structures at startup, so you should avoid arbitrarily large values. .It Cd option SEMMNS=value -Maximum number of semaphores in all sets in the system. Default -value is 60. +Maximum number of semaphores in all sets in the system. +Default value is 60. .It Cd option SEMMNU=value Maximum number of semaphore undo structures in the system. Default value is 30. .It Cd option SEMUME=value Maximum number of per-process undo operation entries in the -system. Semaphore undo operations are invoked by the kernel -when +system. +Semaphore undo operations are invoked by the kernel when .Xr semop 2 is called with the SEM_UNDO flag and the process holding -the semaphores terminates unexpectedly. Default value is 10. +the semaphores terminates unexpectedly. +Default value is 10. .El .Ss Operation Related Options .Bl -ohang @@ -974,8 +982,7 @@ These options set the number of pages available for the buffer cache. Their default value is a machine dependent value, often calculated as between 5% and 10% of total available RAM. .It Cd option NTP -Modify the scheduler code to add hooks necessary for running an NTP -daemon. +Modify the scheduler code to add hooks necessary for running an NTP daemon. .Xr xntpd 8 is available as part of the port collection. .It Cd option APM_NOPRINT |