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selftests/tc-testing: add hashtable tests for u32

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Add tests to specifically check for the refcount interactions of
hashtables created by u32. These tables should not be deleted when
referenced and the flush order should respect a tree like composition.

Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20231114141856.974326-3-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Pedro Tammela 2023-11-14 11:18:56 -03:00 committed by Jakub Kicinski
parent 6b78debe1c
commit 54293e4d6a
1 changed files with 57 additions and 0 deletions
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57
tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
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@ -272,5 +272,62 @@
"teardown": [
"$TC qdisc del dev $DEV1 parent root drr"
]
},
{
"id": "bd32",
"name": "Try to delete hashtable referenced by another u32 filter",
"category": [
"filter",
"u32"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$TC qdisc add dev $DEV1 parent root handle 10: drr",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 handle 1: u32 divisor 1",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 800: match ip src any link 1:"
],
"cmdUnderTest": "$TC filter delete dev $DEV1 parent 10: prio 2 handle 1: u32",
"expExitCode": "2",
"verifyCmd": "$TC filter show dev $DEV1",
"matchPattern": "protocol ip pref 2 u32 chain 0 fh 1:",
"matchCount": "1",
"teardown": [
"$TC qdisc del dev $DEV1 parent root drr"
]
},
{
"id": "4585",
"name": "Delete small tree of u32 hashtables and filters",
"category": [
"filter",
"u32"
],
"plugins": {
"requires": "nsPlugin"
},
"setup": [
"$TC qdisc add dev $DEV1 parent root handle 10: drr",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 handle 1: u32 divisor 1",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 handle 2: u32 divisor 1",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 handle 3: u32 divisor 2",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 handle 4: u32 divisor 1",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 1: match ip src any action drop",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 2: match ip src any action drop",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 3: match ip src any link 2:",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 3: match ip src any link 1:",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 4: match ip src any action drop",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 800: match ip src any link 3:",
"$TC filter add dev $DEV1 parent 10:0 protocol ip prio 2 u32 ht 800: match ip src any link 4:"
],
"cmdUnderTest": "$TC filter delete dev $DEV1 parent 10:",
"expExitCode": "0",
"verifyCmd": "$TC filter show dev $DEV1",
"matchPattern": "protocol ip pref 2 u32",
"matchCount": "0",
"teardown": [
"$TC qdisc del dev $DEV1 parent root drr"
]
}
]