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Date: Thu, 15 Sep 2022 13:00:20 -0300
From: Victor Nogueira <victor@...atatu.com>
To: Zhengchao Shao <shaozhengchao@...wei.com>, netdev@...r.kernel.org,
bpf@...r.kernel.org, linux-kselftest@...r.kernel.org,
jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
pabeni@...hat.com, shuah@...nel.org
Cc: ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
martin.lau@...ux.dev, song@...nel.org, yhs@...com,
john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
haoluo@...gle.com, jolsa@...nel.org, weiyongjun1@...wei.com,
yuehaibing@...wei.com
Subject: Re: [PATCH net-next,v3 3/9] selftests/tc-testings: add selftests for
bpf filter
On 15/09/2022 03:30, Zhengchao Shao wrote:
> Test 23c3: Add cBPF filter with valid bytecode
> Test 1563: Add cBPF filter with invalid bytecode
> Test 2334: Add eBPF filter with valid object-file
> Test 2373: Add eBPF filter with invalid object-file
> Test 4423: Replace cBPF bytecode
> Test 5122: Delete cBPF filter
> Test e0a9: List cBPF filters
>
> Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
> Reviewed-by: Jamal Hadi Salim <jhs@...atatu.com>
> ---
> .../tc-testing/tc-tests/filters/bpf.json | 171 ++++++++++++++++++
> 1 file changed, 171 insertions(+)
> create mode 100644 tools/testing/selftests/tc-testing/tc-tests/filters/bpf.json
>
> diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/bpf.json b/tools/testing/selftests/tc-testing/tc-tests/filters/bpf.json
> new file mode 100644
> index 000000000000..4c8e1fd8faab
> --- /dev/null
> +++ b/tools/testing/selftests/tc-testing/tc-tests/filters/bpf.json
> @@ -0,0 +1,171 @@
> +[
> + {
> + "id": "23c3",
> + "name": "Add cBPF filter with valid bytecode",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress"
> + ],
> + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "expExitCode": "0",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1.*bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "1563",
> + "name": "Add cBPF filter with invalid bytecode",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress"
> + ],
Sorry for the nit-picking, you are still using tabs in some places.
Like in the line above.
> + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,31 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "expExitCode": "2",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1.*bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "matchCount": "0",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "2334",
> + "name": "Add eBPF filter with valid object-file",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "buildebpfPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress"
> + ],
> + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf object-file $EBPFDIR/action.o section action-ok",
> + "expExitCode": "0",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1 action.o:\\[action-ok\\].*tag [0-9a-f]{16}( jited)?",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "2373",
> + "name": "Add eBPF filter with invalid object-file",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "buildebpfPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress"
> + ],
> + "cmdUnderTest": "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf object-file $EBPFDIR/action.o section action-ko",
> + "expExitCode": "1",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1 action.o:\\[action-ko\\].*tag [0-9a-f]{16}( jited)?",
> + "matchCount": "0",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "4423",
> + "name": "Replace cBPF bytecode",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress",
> + [
> + "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + 0,
> + 1,
> + 255
> + ]
> + ],
> + "cmdUnderTest": "$TC filter replace dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2054,6 0 0 262144,6 0 0 0'",
> + "expExitCode": "0",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1.*bytecode '4,40 0 0 12,21 0 1 2054,6 0 0 262144,6 0 0 0'",
> + "matchCount": "1",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "5122",
> + "name": "Delete cBPF filter",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress",
> + [
> + "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + 0,
> + 1,
> + 255
> + ]
> + ],
> + "cmdUnderTest": "$TC filter del dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "expExitCode": "0",
> + "verifyCmd": "$TC filter get dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf",
> + "matchPattern": "filter parent ffff: protocol ip pref 100 bpf chain [0-9]+ handle 0x1.*bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "matchCount": "0",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + },
> + {
> + "id": "e0a9",
> + "name": "List cBPF filters",
> + "category": [
> + "filter",
> + "bpf-filter"
> + ],
> + "plugins": {
> + "requires": "nsPlugin"
> + },
> + "setup": [
> + "$TC qdisc add dev $DEV1 ingress",
> + "$TC filter add dev $DEV1 parent ffff: handle 1 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2048,6 0 0 262144,6 0 0 0'",
> + "$TC filter add dev $DEV1 parent ffff: handle 2 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 2054,6 0 0 262144,6 0 0 0'",
> + "$TC filter add dev $DEV1 parent ffff: handle 100 protocol ip prio 100 bpf bytecode '4,40 0 0 12,21 0 1 33024,6 0 0 262144,6 0 0 0'"
> + ],
> + "cmdUnderTest": "$TC filter show dev $DEV1 parent ffff:",
> + "expExitCode": "0",
> + "verifyCmd": "$TC filter show dev $DEV1 parent ffff:",
> + "matchPattern": "filter protocol ip pref 100 bpf chain [0-9]+ handle",
> + "matchCount": "3",
> + "teardown": [
> + "$TC qdisc del dev $DEV1 ingress"
> + ]
> + }
> +]
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