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diff --git a/net/sched/Kconfig b/net/sched/Kconfig new file mode 100644 index 000000000..2046c16b2 --- /dev/null +++ b/net/sched/Kconfig @@ -0,0 +1,988 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Traffic control configuration. +# + +menuconfig NET_SCHED + bool "QoS and/or fair queueing" + select NET_SCH_FIFO + 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 + disciplines, several different algorithms for how to do this + "fairly" have been proposed. + + If you say N here, you will get the standard packet scheduler, which + is a FIFO (first come, first served). If you say Y here, you will be + able to choose from among several alternative algorithms which can + then be attached to different network devices. This is useful for + example if some of your network devices are real time devices that + need a certain minimum data flow rate, or if you need to limit the + maximum data flow rate for traffic which matches specified criteria. + This code is considered to be experimental. + + To administer these schedulers, you'll need the user-level utilities + from the package iproute2+tc at + <https://www.kernel.org/pub/linux/utils/net/iproute2/>. That package + also contains some documentation; for more, check out + <http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2>. + + This Quality of Service (QoS) support will enable you to use + Differentiated Services (diffserv) and Resource Reservation Protocol + (RSVP) on your Linux router if you also say Y to the corresponding + classifiers below. Documentation and software is at + <http://diffserv.sourceforge.net/>. + + If you say Y here and to "/proc file system" below, you will be able + to read status information about packet schedulers from the file + /proc/net/psched. + + The available schedulers are listed in the following questions; you + can say Y to as many as you like. If unsure, say N now. + +if NET_SCHED + +comment "Queueing/Scheduling" + +config NET_SCH_CBQ + tristate "Class Based Queueing (CBQ)" + 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 + in turn scheduled by separate algorithms. + + See the top of <file:net/sched/sch_cbq.c> for more details. + + CBQ is a commonly used scheduler, so if you're unsure, you should + say Y here. Then say Y to all the queueing algorithms below that you + want to use as leaf disciplines. + + To compile this code as a module, choose M here: the + module will be called sch_cbq. + +config NET_SCH_HTB + tristate "Hierarchical Token Bucket (HTB)" + 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 + in-depth articles. + + HTB is very similar to CBQ regarding its goals however is has + different properties and different algorithm. + + To compile this code as a module, choose M here: the + module will be called sch_htb. + +config NET_SCH_HFSC + tristate "Hierarchical Fair Service Curve (HFSC)" + help + Say Y here if you want to use the Hierarchical Fair Service Curve + (HFSC) packet scheduling algorithm. + + To compile this code as a module, choose M here: the + module will be called sch_hfsc. + +config NET_SCH_ATM + tristate "ATM Virtual Circuits (ATM)" + depends on ATM + 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 + the flow(s) it is handling to a given virtual circuit. + + See the top of <file:net/sched/sch_atm.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_atm. + +config NET_SCH_PRIO + tristate "Multi Band Priority Queueing (PRIO)" + help + Say Y here if you want to use an n-band priority queue packet + scheduler. + + To compile this code as a module, choose M here: the + module will be called sch_prio. + +config NET_SCH_MULTIQ + tristate "Hardware Multiqueue-aware Multi Band Queuing (MULTIQ)" + help + Say Y here if you want to use an n-band queue packet scheduler + to support devices that have multiple hardware transmit queues. + + To compile this code as a module, choose M here: the + module will be called sch_multiq. + +config NET_SCH_RED + tristate "Random Early Detection (RED)" + help + Say Y here if you want to use the Random Early Detection (RED) + packet scheduling algorithm. + + See the top of <file:net/sched/sch_red.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_red. + +config NET_SCH_SFB + tristate "Stochastic Fair Blue (SFB)" + help + Say Y here if you want to use the Stochastic Fair Blue (SFB) + packet scheduling algorithm. + + See the top of <file:net/sched/sch_sfb.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_sfb. + +config NET_SCH_SFQ + tristate "Stochastic Fairness Queueing (SFQ)" + help + Say Y here if you want to use the Stochastic Fairness Queueing (SFQ) + packet scheduling algorithm. + + See the top of <file:net/sched/sch_sfq.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_sfq. + +config NET_SCH_TEQL + tristate "True Link Equalizer (TEQL)" + 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. + + See the top of <file:net/sched/sch_teql.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_teql. + +config NET_SCH_TBF + tristate "Token Bucket Filter (TBF)" + help + Say Y here if you want to use the Token Bucket Filter (TBF) packet + scheduling algorithm. + + See the top of <file:net/sched/sch_tbf.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_tbf. + +config NET_SCH_CBS + tristate "Credit Based Shaper (CBS)" + help + Say Y here if you want to use the Credit Based Shaper (CBS) packet + scheduling algorithm. + + See the top of <file:net/sched/sch_cbs.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_cbs. + +config NET_SCH_ETF + tristate "Earliest TxTime First (ETF)" + help + Say Y here if you want to use the Earliest TxTime First (ETF) packet + scheduling algorithm. + + See the top of <file:net/sched/sch_etf.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_etf. + +config NET_SCH_TAPRIO + tristate "Time Aware Priority (taprio) Scheduler" + help + Say Y here if you want to use the Time Aware Priority (taprio) packet + scheduling algorithm. + + See the top of <file:net/sched/sch_taprio.c> for more details. + + To compile this code as a module, choose M here: the + module will be called sch_taprio. + +config NET_SCH_GRED + tristate "Generic Random Early Detection (GRED)" + 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 + references about the algorithm). + + To compile this code as a module, choose M here: the + module will be called sch_gred. + +config NET_SCH_DSMARK + tristate "Differentiated Services marker (DSMARK)" + 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 + RFCs, is available at <http://www.gta.ufrj.br/diffserv/>. + + To compile this code as a module, choose M here: the + module will be called sch_dsmark. + +config NET_SCH_NETEM + tristate "Network emulator (NETEM)" + 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. + + To compile this driver as a module, choose M here: the module + will be called sch_netem. + + If unsure, say N. + +config NET_SCH_DRR + tristate "Deficit Round Robin scheduler (DRR)" + help + Say Y here if you want to use the Deficit Round Robin (DRR) packet + scheduling algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_drr. + + If unsure, say N. + +config NET_SCH_MQPRIO + tristate "Multi-queue priority scheduler (MQPRIO)" + help + Say Y here if you want to use the Multi-queue Priority scheduler. + This scheduler allows QOS to be offloaded on NICs that have support + for offloading QOS schedulers. + + To compile this driver as a module, choose M here: the module will + be called sch_mqprio. + + If unsure, say N. + +config NET_SCH_SKBPRIO + tristate "SKB priority queue scheduler (SKBPRIO)" + help + Say Y here if you want to use the SKB priority queue + scheduler. This schedules packets according to skb->priority, + which is useful for request packets in DoS mitigation systems such + as Gatekeeper. + + To compile this driver as a module, choose M here: the module will + be called sch_skbprio. + + If unsure, say N. + +config NET_SCH_CHOKE + tristate "CHOose and Keep responsive flow scheduler (CHOKE)" + help + Say Y here if you want to use the CHOKe packet scheduler (CHOose + and Keep for responsive flows, CHOose and Kill for unresponsive + flows). This is a variation of RED which trys to penalize flows + that monopolize the queue. + + To compile this code as a module, choose M here: the + module will be called sch_choke. + +config NET_SCH_QFQ + tristate "Quick Fair Queueing scheduler (QFQ)" + help + Say Y here if you want to use the Quick Fair Queueing Scheduler (QFQ) + packet scheduling algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_qfq. + + If unsure, say N. + +config NET_SCH_CODEL + tristate "Controlled Delay AQM (CODEL)" + help + Say Y here if you want to use the Controlled Delay (CODEL) + packet scheduling algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_codel. + + If unsure, say N. + +config NET_SCH_FQ_CODEL + tristate "Fair Queue Controlled Delay AQM (FQ_CODEL)" + help + Say Y here if you want to use the FQ Controlled Delay (FQ_CODEL) + packet scheduling algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_fq_codel. + + If unsure, say N. + +config NET_SCH_CAKE + tristate "Common Applications Kept Enhanced (CAKE)" + help + Say Y here if you want to use the Common Applications Kept Enhanced + (CAKE) queue management algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_cake. + + If unsure, say N. + +config NET_SCH_FQ + tristate "Fair Queue" + help + Say Y here if you want to use the FQ packet scheduling algorithm. + + FQ does flow separation, and is able to respect pacing requirements + set by TCP stack into sk->sk_pacing_rate (for localy generated + traffic) + + To compile this driver as a module, choose M here: the module + will be called sch_fq. + + If unsure, say N. + +config NET_SCH_HHF + tristate "Heavy-Hitter Filter (HHF)" + help + Say Y here if you want to use the Heavy-Hitter Filter (HHF) + packet scheduling algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_hhf. + +config NET_SCH_PIE + tristate "Proportional Integral controller Enhanced (PIE) scheduler" + help + Say Y here if you want to use the Proportional Integral controller + Enhanced scheduler packet scheduling algorithm. + For more information, please see https://tools.ietf.org/html/rfc8033 + + To compile this driver as a module, choose M here: the module + will be called sch_pie. + + If unsure, say N. + +config NET_SCH_FQ_PIE + depends on NET_SCH_PIE + tristate "Flow Queue Proportional Integral controller Enhanced (FQ-PIE)" + help + Say Y here if you want to use the Flow Queue Proportional Integral + controller Enhanced (FQ-PIE) packet scheduling algorithm. + For more information, please see https://tools.ietf.org/html/rfc8033 + + To compile this driver as a module, choose M here: the module + will be called sch_fq_pie. + + If unsure, say N. + +config NET_SCH_INGRESS + tristate "Ingress/classifier-action Qdisc" + depends on NET_CLS_ACT + select NET_INGRESS + select NET_EGRESS + 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, + classifiers that this qdisc holds are executed in the transmit path + before real enqueuing to an egress qdisc happens. + + If unsure, say Y. + + To compile this code as a module, choose M here: the module will be + called sch_ingress with alias of sch_clsact. + +config NET_SCH_PLUG + tristate "Plug network traffic until release (PLUG)" + help + + This queuing discipline allows userspace to plug/unplug a network + output queue, using the netlink interface. When it receives an + enqueue command it inserts a plug into the outbound queue that + causes following packets to enqueue until a dequeue command arrives + over netlink, causing the plug to be removed and resuming the normal + packet flow. + + This module also provides a generic "network output buffering" + functionality (aka output commit), wherein upon arrival of a dequeue + command, only packets up to the first plug are released for delivery. + The Remus HA project uses this module to enable speculative execution + of virtual machines by allowing the generated network output to be rolled + back if needed. + + For more information, please refer to <http://wiki.xenproject.org/wiki/Remus> + + Say Y here if you are using this kernel for Xen dom0 and + want to protect Xen guests with Remus. + + To compile this code as a module, choose M here: the + module will be called sch_plug. + +config NET_SCH_ETS + tristate "Enhanced transmission selection scheduler (ETS)" + help + The Enhanced Transmission Selection scheduler is a classful + queuing discipline that merges functionality of PRIO and DRR + qdiscs in one scheduler. ETS makes it easy to configure a set of + strict and bandwidth-sharing bands to implement the transmission + selection described in 802.1Qaz. + + Say Y here if you want to use the ETS packet scheduling + algorithm. + + To compile this driver as a module, choose M here: the module + will be called sch_ets. + + If unsure, say N. + +menuconfig NET_SCH_DEFAULT + bool "Allow override default queue discipline" + help + Support for selection of default queuing discipline. + + Nearly all users can safely say no here, and the default + of pfifo_fast will be used. Many distributions already set + the default value via /proc/sys/net/core/default_qdisc. + + If unsure, say N. + +if NET_SCH_DEFAULT + +choice + prompt "Default queuing discipline" + default DEFAULT_PFIFO_FAST + help + Select the queueing discipline that will be used by default + for all network devices. + + config DEFAULT_FQ + bool "Fair Queue" if NET_SCH_FQ + + config DEFAULT_CODEL + bool "Controlled Delay" if NET_SCH_CODEL + + config DEFAULT_FQ_CODEL + bool "Fair Queue Controlled Delay" if NET_SCH_FQ_CODEL + + config DEFAULT_FQ_PIE + bool "Flow Queue Proportional Integral controller Enhanced" if NET_SCH_FQ_PIE + + config DEFAULT_SFQ + bool "Stochastic Fair Queue" if NET_SCH_SFQ + + config DEFAULT_PFIFO_FAST + bool "Priority FIFO Fast" +endchoice + +config DEFAULT_NET_SCH + string + default "pfifo_fast" if DEFAULT_PFIFO_FAST + default "fq" if DEFAULT_FQ + default "fq_codel" if DEFAULT_FQ_CODEL + default "fq_pie" if DEFAULT_FQ_PIE + default "sfq" if DEFAULT_SFQ + default "pfifo_fast" +endif + +comment "Classification" + +config NET_CLS + bool + +config NET_CLS_BASIC + tristate "Elementary classification (BASIC)" + select NET_CLS + help + Say Y here if you want to be able to classify packets using + only extended matches and actions. + + To compile this code as a module, choose M here: the + module will be called cls_basic. + +config NET_CLS_ROUTE4 + tristate "Routing decision (ROUTE)" + depends on INET + select IP_ROUTE_CLASSID + select NET_CLS + help + If you say Y here, you will be able to classify packets + according to the route table entry they matched. + + To compile this code as a module, choose M here: the + module will be called cls_route. + +config NET_CLS_FW + tristate "Netfilter mark (FW)" + select NET_CLS + help + If you say Y here, you will be able to classify packets + according to netfilter/firewall marks. + + To compile this code as a module, choose M here: the + module will be called cls_fw. + +config NET_CLS_U32 + tristate "Universal 32bit comparisons w/ hashing (U32)" + select NET_CLS + help + Say Y here to be able to classify packets using a universal + 32bit pieces based comparison scheme. + + To compile this code as a module, choose M here: the + module will be called cls_u32. + +config CLS_U32_PERF + bool "Performance counters support" + depends on NET_CLS_U32 + 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 + Say Y here to be able to use netfilter marks as u32 key. + +config NET_CLS_FLOW + tristate "Flow classifier" + select NET_CLS + 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. + + To compile this code as a module, choose M here: the + module will be called cls_flow. + +config NET_CLS_CGROUP + tristate "Control Group Classifier" + select NET_CLS + select CGROUP_NET_CLASSID + depends on CGROUPS + help + Say Y here if you want to classify packets based on the control + cgroup of their process. + + To compile this code as a module, choose M here: the + module will be called cls_cgroup. + +config NET_CLS_BPF + tristate "BPF-based classifier" + select NET_CLS + 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. + + To compile this code as a module, choose M here: the module will + be called cls_bpf. + +config NET_CLS_FLOWER + tristate "Flower classifier" + select NET_CLS + help + If you say Y here, you will be able to classify packets based on + a configurable combination of packet keys and masks. + + To compile this code as a module, choose M here: the module will + be called cls_flower. + +config NET_CLS_MATCHALL + tristate "Match-all classifier" + select NET_CLS + help + If you say Y here, you will be able to classify packets based on + nothing. Every packet will match. + + To compile this code as a module, choose M here: the module will + be called cls_matchall. + +config NET_EMATCH + bool "Extended Matches" + select NET_CLS + help + Say Y here if you want to use extended matches on top of classifiers + and select the extended matches below. + + Extended matches are small classification helpers not worth writing + a separate classifier for. + + A recent version of the iproute2 package is required to use + extended matches. + +config NET_EMATCH_STACK + int "Stack size" + depends on NET_EMATCH + default "32" + 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 + stack space. + +config NET_EMATCH_CMP + tristate "Simple packet data comparison" + depends on NET_EMATCH + 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. + + To compile this code as a module, choose M here: the + module will be called em_cmp. + +config NET_EMATCH_NBYTE + tristate "Multi byte comparison" + depends on NET_EMATCH + help + Say Y here if you want to be able to classify packets based on + multiple byte comparisons mainly useful for IPv6 address comparisons. + + To compile this code as a module, choose M here: the + module will be called em_nbyte. + +config NET_EMATCH_U32 + tristate "U32 key" + depends on NET_EMATCH + help + Say Y here if you want to be able to classify packets using + the famous u32 key in combination with logic relations. + + To compile this code as a module, choose M here: the + module will be called em_u32. + +config NET_EMATCH_META + tristate "Metadata" + depends on NET_EMATCH + 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. + + To compile this code as a module, choose M here: the + module will be called em_meta. + +config NET_EMATCH_TEXT + tristate "Textsearch" + depends on NET_EMATCH + select TEXTSEARCH + select TEXTSEARCH_KMP + select TEXTSEARCH_BM + select TEXTSEARCH_FSM + help + Say Y here if you want to be able to classify packets based on + textsearch comparisons. + + To compile this code as a module, choose M here: the + module will be called em_text. + +config NET_EMATCH_CANID + tristate "CAN Identifier" + depends on NET_EMATCH && (CAN=y || CAN=m) + help + Say Y here if you want to be able to classify CAN frames based + on CAN Identifier. + + To compile this code as a module, choose M here: the + module will be called em_canid. + +config NET_EMATCH_IPSET + tristate "IPset" + depends on NET_EMATCH && IP_SET + help + Say Y here if you want to be able to classify packets based on + ipset membership. + + To compile this code as a module, choose M here: the + module will be called em_ipset. + +config NET_EMATCH_IPT + tristate "IPtables Matches" + depends on NET_EMATCH && NETFILTER && NETFILTER_XTABLES + help + Say Y here to be able to classify packets based on iptables + matches. + Current supported match is "policy" which allows packet classification + based on IPsec policy that was used during decapsulation + + To compile this code as a module, choose M here: the + module will be called em_ipt. + +config NET_CLS_ACT + bool "Actions" + select NET_CLS + 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 + result, instantly drop or redirect packets, etc. + + A recent version of the iproute2 package is required to use + extended matches. + +config NET_ACT_POLICE + tristate "Traffic Policing" + depends on NET_CLS_ACT + help + Say Y here if you want to do traffic policing, i.e. strict + bandwidth limiting. This action replaces the existing policing + module. + + To compile this code as a module, choose M here: the + module will be called act_police. + +config NET_ACT_GACT + tristate "Generic actions" + depends on NET_CLS_ACT + help + Say Y here to take generic actions such as dropping and + accepting packets. + + To compile this code as a module, choose M here: the + module will be called act_gact. + +config GACT_PROB + bool "Probability support" + depends on NET_ACT_GACT + 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 + Say Y here to allow packets to be mirrored or redirected to + other devices. + + To compile this code as a module, choose M here: the + module will be called act_mirred. + +config NET_ACT_SAMPLE + tristate "Traffic Sampling" + depends on NET_CLS_ACT + select PSAMPLE + 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. + + To compile this code as a module, choose M here: the + module will be called act_sample. + +config NET_ACT_IPT + tristate "IPtables targets" + depends on NET_CLS_ACT && NETFILTER && NETFILTER_XTABLES + help + Say Y here to be able to invoke iptables targets after successful + classification. + + To compile this code as a module, choose M here: the + module will be called act_ipt. + +config NET_ACT_NAT + tristate "Stateless NAT" + depends on NET_CLS_ACT + help + Say Y here to do stateless NAT on IPv4 packets. You should use + netfilter for NAT unless you know what you are doing. + + To compile this code as a module, choose M here: the + module will be called act_nat. + +config NET_ACT_PEDIT + tristate "Packet Editing" + depends on NET_CLS_ACT + help + Say Y here if you want to mangle the content of packets. + + To compile this code as a module, choose M here: the + module will be called act_pedit. + +config NET_ACT_SIMP + tristate "Simple Example (Debug)" + depends on NET_CLS_ACT + 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 + to the console for every packet that passes by. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_simple. + +config NET_ACT_SKBEDIT + tristate "SKB Editing" + depends on NET_CLS_ACT + help + Say Y here to change skb priority or queue_mapping settings. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_skbedit. + +config NET_ACT_CSUM + tristate "Checksum Updating" + depends on NET_CLS_ACT && INET + select LIBCRC32C + help + Say Y here to update some common checksum after some direct + packet alterations. + + To compile this code as a module, choose M here: the + module will be called act_csum. + +config NET_ACT_MPLS + tristate "MPLS manipulation" + depends on NET_CLS_ACT + help + Say Y here to push or pop MPLS headers. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_mpls. + +config NET_ACT_VLAN + tristate "Vlan manipulation" + depends on NET_CLS_ACT + help + Say Y here to push or pop vlan headers. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_vlan. + +config NET_ACT_BPF + tristate "BPF based action" + depends on NET_CLS_ACT + help + Say Y here to execute BPF code on packets. The BPF code will decide + if the packet should be dropped or not. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_bpf. + +config NET_ACT_CONNMARK + tristate "Netfilter Connection Mark Retriever" + depends on NET_CLS_ACT && NETFILTER + depends on NF_CONNTRACK && NF_CONNTRACK_MARK + help + Say Y here to allow retrieving of conn mark + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_connmark. + +config NET_ACT_CTINFO + tristate "Netfilter Connection Mark Actions" + depends on NET_CLS_ACT && NETFILTER + depends on NF_CONNTRACK && NF_CONNTRACK_MARK + help + Say Y here to allow transfer of a connmark stored information. + Current actions transfer connmark stored DSCP into + ipv4/v6 diffserv and/or to transfer connmark to packet + mark. Both are useful for restoring egress based marks + back onto ingress connections for qdisc priority mapping + purposes. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_ctinfo. + +config NET_ACT_SKBMOD + tristate "skb data modification action" + depends on NET_CLS_ACT + help + Say Y here to allow modification of skb data + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_skbmod. + +config NET_ACT_IFE + tristate "Inter-FE action based on IETF ForCES InterFE LFB" + depends on NET_CLS_ACT + select NET_IFE + help + Say Y here to allow for sourcing and terminating metadata + For details refer to netdev01 paper: + "Distributing Linux Traffic Control Classifier-Action Subsystem" + Authors: Jamal Hadi Salim and Damascene M. Joachimpillai + + To compile this code as a module, choose M here: the + module will be called act_ife. + +config NET_ACT_TUNNEL_KEY + tristate "IP tunnel metadata manipulation" + depends on NET_CLS_ACT + help + Say Y here to set/release ip tunnel metadata. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_tunnel_key. + +config NET_ACT_CT + tristate "connection tracking tc action" + depends on NET_CLS_ACT && NF_CONNTRACK && (!NF_NAT || NF_NAT) && NF_FLOW_TABLE + help + Say Y here to allow sending the packets to conntrack module. + + If unsure, say N. + + To compile this code as a module, choose M here: the + module will be called act_ct. + +config NET_ACT_GATE + tristate "Frame gate entry list control tc action" + depends on NET_CLS_ACT + help + Say Y here to allow to control the ingress flow to be passed at + specific time slot and be dropped at other specific time slot by + the gate entry list. + + If unsure, say N. + To compile this code as a module, choose M here: the + module will be called act_gate. + +config NET_IFE_SKBMARK + tristate "Support to encoding decoding skb mark on IFE action" + depends on NET_ACT_IFE + +config NET_IFE_SKBPRIO + tristate "Support to encoding decoding skb prio on IFE action" + depends on NET_ACT_IFE + +config NET_IFE_SKBTCINDEX + tristate "Support to encoding decoding skb tcindex on IFE action" + depends on NET_ACT_IFE + +config NET_TC_SKB_EXT + bool "TC recirculation support" + depends on NET_CLS_ACT + select SKB_EXTENSIONS + + help + Say Y here to allow tc chain misses to continue in OvS datapath in + the correct recirc_id, and hardware chain misses to continue in + the correct chain in tc software datapath. + + Say N here if you won't be using tc<->ovs offload or tc chains offload. + +endif # NET_SCHED + +config NET_SCH_FIFO + bool |