menuconfig NET_SCHED
bool "QoS and/or fair queueing"
select NET_SCH_FIFO
- ---help---
+ help
When the kernel has several packets to send out over a network
device, it has to decide which ones to send first, which ones to
delay, and which ones to drop. This is the job of the queueing
config NET_SCH_CBQ
tristate "Class Based Queueing (CBQ)"
- ---help---
+ help
Say Y here if you want to use the Class-Based Queueing (CBQ) packet
scheduling algorithm. This algorithm classifies the waiting packets
into a tree-like hierarchy of classes; the leaves of this tree are
config NET_SCH_HTB
tristate "Hierarchical Token Bucket (HTB)"
- ---help---
+ help
Say Y here if you want to use the Hierarchical Token Buckets (HTB)
packet scheduling algorithm. See
<http://luxik.cdi.cz/~devik/qos/htb/> for complete manual and
config NET_SCH_HFSC
tristate "Hierarchical Fair Service Curve (HFSC)"
- ---help---
+ help
Say Y here if you want to use the Hierarchical Fair Service Curve
(HFSC) packet scheduling algorithm.
config NET_SCH_ATM
tristate "ATM Virtual Circuits (ATM)"
depends on ATM
- ---help---
+ help
Say Y here if you want to use the ATM pseudo-scheduler. This
provides a framework for invoking classifiers, which in turn
select classes of this queuing discipline. Each class maps
config NET_SCH_PRIO
tristate "Multi Band Priority Queueing (PRIO)"
- ---help---
+ help
Say Y here if you want to use an n-band priority queue packet
scheduler.
config NET_SCH_MULTIQ
tristate "Hardware Multiqueue-aware Multi Band Queuing (MULTIQ)"
- ---help---
+ help
Say Y here if you want to use an n-band queue packet scheduler
to support devices that have multiple hardware transmit queues.
config NET_SCH_RED
tristate "Random Early Detection (RED)"
- ---help---
+ help
Say Y here if you want to use the Random Early Detection (RED)
packet scheduling algorithm.
config NET_SCH_SFB
tristate "Stochastic Fair Blue (SFB)"
- ---help---
+ help
Say Y here if you want to use the Stochastic Fair Blue (SFB)
packet scheduling algorithm.
config NET_SCH_SFQ
tristate "Stochastic Fairness Queueing (SFQ)"
- ---help---
+ help
Say Y here if you want to use the Stochastic Fairness Queueing (SFQ)
packet scheduling algorithm.
config NET_SCH_TEQL
tristate "True Link Equalizer (TEQL)"
- ---help---
+ help
Say Y here if you want to use the True Link Equalizer (TLE) packet
scheduling algorithm. This queueing discipline allows the combination
of several physical devices into one virtual device.
config NET_SCH_TBF
tristate "Token Bucket Filter (TBF)"
- ---help---
+ help
Say Y here if you want to use the Token Bucket Filter (TBF) packet
scheduling algorithm.
config NET_SCH_CBS
tristate "Credit Based Shaper (CBS)"
- ---help---
+ help
Say Y here if you want to use the Credit Based Shaper (CBS) packet
scheduling algorithm.
config NET_SCH_GRED
tristate "Generic Random Early Detection (GRED)"
- ---help---
+ help
Say Y here if you want to use the Generic Random Early Detection
(GRED) packet scheduling algorithm for some of your network devices
(see the top of <file:net/sched/sch_red.c> for details and
config NET_SCH_DSMARK
tristate "Differentiated Services marker (DSMARK)"
- ---help---
+ help
Say Y if you want to schedule packets according to the
Differentiated Services architecture proposed in RFC 2475.
Technical information on this method, with pointers to associated
config NET_SCH_NETEM
tristate "Network emulator (NETEM)"
- ---help---
+ help
Say Y if you want to emulate network delay, loss, and packet
re-ordering. This is often useful to simulate networks when
testing applications or protocols.
depends on NET_CLS_ACT
select NET_INGRESS
select NET_EGRESS
- ---help---
+ help
Say Y here if you want to use classifiers for incoming and/or outgoing
packets. This qdisc doesn't do anything else besides running classifiers,
which can also have actions attached to them. In case of outgoing packets,
config NET_SCH_PLUG
tristate "Plug network traffic until release (PLUG)"
- ---help---
+ help
This queuing discipline allows userspace to plug/unplug a network
output queue, using the netlink interface. When it receives an
menuconfig NET_SCH_DEFAULT
bool "Allow override default queue discipline"
- ---help---
+ help
Support for selection of default queuing discipline.
Nearly all users can safely say no here, and the default
config NET_CLS_BASIC
tristate "Elementary classification (BASIC)"
select NET_CLS
- ---help---
+ help
Say Y here if you want to be able to classify packets using
only extended matches and actions.
config NET_CLS_TCINDEX
tristate "Traffic-Control Index (TCINDEX)"
select NET_CLS
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
traffic control indices. You will want this feature if you want
to implement Differentiated Services together with DSMARK.
depends on INET
select IP_ROUTE_CLASSID
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets
according to the route table entry they matched.
config NET_CLS_FW
tristate "Netfilter mark (FW)"
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets
according to netfilter/firewall marks.
config NET_CLS_U32
tristate "Universal 32bit comparisons w/ hashing (U32)"
select NET_CLS
- ---help---
+ help
Say Y here to be able to classify packets using a universal
32bit pieces based comparison scheme.
config CLS_U32_PERF
bool "Performance counters support"
depends on NET_CLS_U32
- ---help---
+ help
Say Y here to make u32 gather additional statistics useful for
fine tuning u32 classifiers.
config CLS_U32_MARK
bool "Netfilter marks support"
depends on NET_CLS_U32
- ---help---
+ help
Say Y here to be able to use netfilter marks as u32 key.
config NET_CLS_RSVP
tristate "IPv4 Resource Reservation Protocol (RSVP)"
select NET_CLS
- ---help---
+ help
The Resource Reservation Protocol (RSVP) permits end systems to
request a minimum and maximum data flow rate for a connection; this
is important for real time data such as streaming sound or video.
config NET_CLS_RSVP6
tristate "IPv6 Resource Reservation Protocol (RSVP6)"
select NET_CLS
- ---help---
+ help
The Resource Reservation Protocol (RSVP) permits end systems to
request a minimum and maximum data flow rate for a connection; this
is important for real time data such as streaming sound or video.
config NET_CLS_FLOW
tristate "Flow classifier"
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets based on
a configurable combination of packet keys. This is mostly useful
in combination with SFQ.
select NET_CLS
select CGROUP_NET_CLASSID
depends on CGROUPS
- ---help---
+ help
Say Y here if you want to classify packets based on the control
cgroup of their process.
config NET_CLS_BPF
tristate "BPF-based classifier"
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets based on
programmable BPF (JIT'ed) filters as an alternative to ematches.
config NET_CLS_FLOWER
tristate "Flower classifier"
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets based on
a configurable combination of packet keys and masks.
config NET_CLS_MATCHALL
tristate "Match-all classifier"
select NET_CLS
- ---help---
+ help
If you say Y here, you will be able to classify packets based on
nothing. Every packet will match.
config NET_EMATCH
bool "Extended Matches"
select NET_CLS
- ---help---
+ help
Say Y here if you want to use extended matches on top of classifiers
and select the extended matches below.
int "Stack size"
depends on NET_EMATCH
default "32"
- ---help---
+ help
Size of the local stack variable used while evaluating the tree of
ematches. Limits the depth of the tree, i.e. the number of
encapsulated precedences. Every level requires 4 bytes of additional
config NET_EMATCH_CMP
tristate "Simple packet data comparison"
depends on NET_EMATCH
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
simple packet data comparisons for 8, 16, and 32bit values.
config NET_EMATCH_NBYTE
tristate "Multi byte comparison"
depends on NET_EMATCH
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
multiple byte comparisons mainly useful for IPv6 address comparisons.
config NET_EMATCH_U32
tristate "U32 key"
depends on NET_EMATCH
- ---help---
+ help
Say Y here if you want to be able to classify packets using
the famous u32 key in combination with logic relations.
config NET_EMATCH_META
tristate "Metadata"
depends on NET_EMATCH
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
metadata such as load average, netfilter attributes, socket
attributes and routing decisions.
select TEXTSEARCH_KMP
select TEXTSEARCH_BM
select TEXTSEARCH_FSM
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
textsearch comparisons.
config NET_EMATCH_CANID
tristate "CAN Identifier"
depends on NET_EMATCH && (CAN=y || CAN=m)
- ---help---
+ help
Say Y here if you want to be able to classify CAN frames based
on CAN Identifier.
config NET_EMATCH_IPSET
tristate "IPset"
depends on NET_EMATCH && IP_SET
- ---help---
+ help
Say Y here if you want to be able to classify packets based on
ipset membership.
config NET_EMATCH_IPT
tristate "IPtables Matches"
depends on NET_EMATCH && NETFILTER && NETFILTER_XTABLES
- ---help---
+ help
Say Y here to be able to classify packets based on iptables
matches.
Current supported match is "policy" which allows packet classification
config NET_CLS_ACT
bool "Actions"
select NET_CLS
- ---help---
+ help
Say Y here if you want to use traffic control actions. Actions
get attached to classifiers and are invoked after a successful
classification. They are used to overwrite the classification
config NET_ACT_POLICE
tristate "Traffic Policing"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here if you want to do traffic policing, i.e. strict
bandwidth limiting. This action replaces the existing policing
module.
config NET_ACT_GACT
tristate "Generic actions"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to take generic actions such as dropping and
accepting packets.
config GACT_PROB
bool "Probability support"
depends on NET_ACT_GACT
- ---help---
+ help
Say Y here to use the generic action randomly or deterministically.
config NET_ACT_MIRRED
tristate "Redirecting and Mirroring"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to allow packets to be mirrored or redirected to
other devices.
tristate "Traffic Sampling"
depends on NET_CLS_ACT
select PSAMPLE
- ---help---
+ help
Say Y here to allow packet sampling tc action. The packet sample
action consists of statistically choosing packets and sampling
them using the psample module.
config NET_ACT_IPT
tristate "IPtables targets"
depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES
- ---help---
+ help
Say Y here to be able to invoke iptables targets after successful
classification.
config NET_ACT_NAT
tristate "Stateless NAT"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to do stateless NAT on IPv4 packets. You should use
netfilter for NAT unless you know what you are doing.
config NET_ACT_PEDIT
tristate "Packet Editing"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here if you want to mangle the content of packets.
To compile this code as a module, choose M here: the
config NET_ACT_SIMP
tristate "Simple Example (Debug)"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to add a simple action for demonstration purposes.
It is meant as an example and for debugging purposes. It will
print a configured policy string followed by the packet count
config NET_ACT_SKBEDIT
tristate "SKB Editing"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to change skb priority or queue_mapping settings.
If unsure, say N.
tristate "Checksum Updating"
depends on NET_CLS_ACT && INET
select LIBCRC32C
- ---help---
+ help
Say Y here to update some common checksum after some direct
packet alterations.
config NET_ACT_VLAN
tristate "Vlan manipulation"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to push or pop vlan headers.
If unsure, say N.
config NET_ACT_BPF
tristate "BPF based action"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to execute BPF code on packets. The BPF code will decide
if the packet should be dropped or not.
tristate "Netfilter Connection Mark Retriever"
depends on NET_CLS_ACT && NETFILTER && IP_NF_IPTABLES
depends on NF_CONNTRACK && NF_CONNTRACK_MARK
- ---help---
+ help
Say Y here to allow retrieving of conn mark
If unsure, say N.
config NET_ACT_SKBMOD
tristate "skb data modification action"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to allow modification of skb data
If unsure, say N.
tristate "Inter-FE action based on IETF ForCES InterFE LFB"
depends on NET_CLS_ACT
select NET_IFE
- ---help---
+ help
Say Y here to allow for sourcing and terminating metadata
For details refer to netdev01 paper:
"Distributing Linux Traffic Control Classifier-Action Subsystem"
config NET_ACT_TUNNEL_KEY
tristate "IP tunnel metadata manipulation"
depends on NET_CLS_ACT
- ---help---
+ help
Say Y here to set/release ip tunnel metadata.
If unsure, say N.
projects / linux-2.6-microblaze.git / blobdiff