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authorPhil Sutter <phil@nwl.cc>2021-02-08 16:10:04 +0100
committerDavid S. Miller <davem@davemloft.net>2021-02-08 15:18:57 -0800
commit373e13bc63639169708444c4918c65291ec8156f (patch)
tree9128125fcf246b4272359768795738e3f08bd977
parent1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74 (diff)
selftests: tc-testing: u32: Add tests covering sample option
Kernel's key folding basically consists of shifting away least significant zero bits in mask and masking the resulting value with (divisor - 1). Test for u32's 'sample' option to behave identical. Suggested-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/filters/u32.json46
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
index e09d3c0e307f..bd64a4bf11ab 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/u32.json
@@ -201,5 +201,51 @@
"teardown": [
"$TC qdisc del dev $DEV1 ingress"
]
+ },
+ {
+ "id": "0692",
+ "name": "Test u32 sample option, divisor 256",
+ "category": [
+ "filter",
+ "u32"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "$TC filter add dev $DEV1 ingress prio 99 handle 1: u32 divisor 256"
+ ],
+ "cmdUnderTest": "bash -c \"for mask in ff ffff ffffff ffffffff ff00ff ff0000ff ffff00ff; do $TC filter add dev $DEV1 ingress prio 99 u32 ht 1: sample u32 0x10203040 \\$mask match u8 0 0 classid 1:1; done\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show dev $DEV1 ingress",
+ "matchPattern": "filter protocol all pref 99 u32( (chain|fh|order) [0-9:]+){3} key ht 1 bkt 40 flowid 1:1",
+ "matchCount": "7",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress"
+ ]
+ },
+ {
+ "id": "2478",
+ "name": "Test u32 sample option, divisor 16",
+ "category": [
+ "filter",
+ "u32"
+ ],
+ "plugins": {
+ "requires": "nsPlugin"
+ },
+ "setup": [
+ "$TC qdisc add dev $DEV1 ingress",
+ "$TC filter add dev $DEV1 ingress prio 99 handle 1: u32 divisor 256"
+ ],
+ "cmdUnderTest": "bash -c \"for mask in 70 f0 ff0 fff0 ff00f0; do $TC filter add dev $DEV1 ingress prio 99 u32 ht 1: sample u32 0x10203040 \\$mask match u8 0 0 classid 1:1; done\"",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show dev $DEV1 ingress",
+ "matchPattern": "filter protocol all pref 99 u32( (chain|fh|order) [0-9:]+){3} key ht 1 bkt 4 flowid 1:1",
+ "matchCount": "5",
+ "teardown": [
+ "$TC qdisc del dev $DEV1 ingress"
+ ]
}
]