diff options
| author | Phil Sutter <phil@nwl.cc> | 2021-02-08 16:10:04 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-08 15:18:57 -0800 |
| commit | 373e13bc63639169708444c4918c65291ec8156f (patch) | |
| tree | 9128125fcf246b4272359768795738e3f08bd977 | |
| parent | 1a9b86c9fd9536b5c0dfbf7b4acbb7f61c820b74 (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.json | 46 |
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" + ] } ] |