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net/sched: Retire ATM qdisc

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The ATM qdisc has served us well over the years but has not been getting much
TLC due to lack of known users. Most recently it has become a shooting target
for syzkaller. For this reason, we are retiring it.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Jamal Hadi Salim
2023-02-14 08:49:12 -05:00
committed by Paolo Abeni
parent 051d442098
commit fb38306ceb
4 changed files with 0 additions and 815 deletions
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14
net/sched/Kconfig
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@@ -68,20 +68,6 @@ config NET_SCH_HFSC
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

1
net/sched/Makefile
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@@ -45,7 +45,6 @@ obj-$(CONFIG_NET_SCH_TBF) += sch_tbf.o
obj-$(CONFIG_NET_SCH_TEQL) += sch_teql.o
obj-$(CONFIG_NET_SCH_PRIO) += sch_prio.o
obj-$(CONFIG_NET_SCH_MULTIQ) += sch_multiq.o
obj-$(CONFIG_NET_SCH_ATM) += sch_atm.o
obj-$(CONFIG_NET_SCH_NETEM) += sch_netem.o
obj-$(CONFIG_NET_SCH_DRR) += sch_drr.o
obj-$(CONFIG_NET_SCH_PLUG) += sch_plug.o

706
net/sched/sch_atm.c
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File diff suppressed because it is too large Load Diff

94
tools/testing/selftests/tc-testing/tc-tests/qdiscs/atm.json
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@@ -1,94 +0,0 @@
[
{
"id": "7628",
"name": "Create ATM with default setting",
"category": [
"qdisc",
"atm"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root atm",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc atm 1: root refcnt",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "390a",
"name": "Delete ATM with valid handle",
"category": [
"qdisc",
"atm"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true",
"$TC qdisc add dev $DUMMY handle 1: root atm"
],
"cmdUnderTest": "$TC qdisc del dev $DUMMY handle 1: root",
"expExitCode": "0",
"verifyCmd": "$TC qdisc show dev $DUMMY",
"matchPattern": "qdisc atm 1: root refcnt",
"matchCount": "0",
"teardown": [
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "32a0",
"name": "Show ATM class",
"category": [
"qdisc",
"atm"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root atm",
"expExitCode": "0",
"verifyCmd": "$TC class show dev $DUMMY",
"matchPattern": "class atm 1: parent 1:",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
},
{
"id": "6310",
"name": "Dump ATM stats",
"category": [
"qdisc",
"atm"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$IP link add dev $DUMMY type dummy || /bin/true"
],
"cmdUnderTest": "$TC qdisc add dev $DUMMY handle 1: root atm",
"expExitCode": "0",
"verifyCmd": "$TC -s qdisc show dev $DUMMY",
"matchPattern": "qdisc atm 1: root refcnt",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DUMMY handle 1: root",
"$IP link del dev $DUMMY type dummy"
]
}
]