Message-ID: <02634506-8aa2-af44-38d6-3bd656b866cf@huawei.com>
Date:   Thu, 15 Sep 2022 11:13:47 +0800
From:   shaozhengchao <shaozhengchao@...wei.com>
To:     Victor Nogueira <victor@...atatu.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
        <jhs@...atatu.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 0/9] refactor duplicate codes in the tc cls walk
 function



On 2022/9/14 21:59, Victor Nogueira wrote:
> On 13/09/2022 01:21, Zhengchao Shao wrote:
>> The walk implementation of most tc cls modules is basically the same.
>> That is, the values of count and skip are checked first. If count is
>> greater than or equal to skip, the registered fn function is executed.
>> Otherwise, increase the value of count. So the code can be refactored.
>> Then use helper function to replace the code of each cls module in
>> alphabetical order.
>>
>> The walk function is invoked during dump. Therefore, test cases related
>>   to the tdc filter need to be added.
>>
>> Add test cases locally and perform the test. The test results are listed
>> below:
>>
>> ./tdc.py -e 0811
>> ok 1 0811 - Add multiple basic filter with cmp ematch u8/link layer and
>> default action and dump them
>>
>> ./tdc.py -e 5129
>> ok 1 5129 - List basic filters
>>
>> ./tdc.py -c filters bpf
>> ok 13 23c3 - Add cBPF filter with valid bytecode
>> ok 14 1563 - Add cBPF filter with invalid bytecode
>> ok 15 2334 - Add eBPF filter with valid object-file
>> ok 16 2373 - Add eBPF filter with invalid object-file
>> ok 17 4423 - Replace cBPF bytecode
>> ok 18 5122 - Delete cBPF filter
>> ok 19 e0a9 - List cBPF filters
>>
>> ./tdc.py -c filters cgroup
>> ok 1 6273 - Add cgroup filter with cmp ematch u8/link layer and drop
>> action
>> ok 2 4721 - Add cgroup filter with cmp ematch u8/link layer with trans
>> flag and pass action
>> ok 3 d392 - Add cgroup filter with cmp ematch u16/link layer and pipe
>> action
>> ok 4 0234 - Add cgroup filter with cmp ematch u32/link layer and miltiple
>> actions
>> ok 5 8499 - Add cgroup filter with cmp ematch u8/network layer and pass
>> action
>> ok 6 b273 - Add cgroup filter with cmp ematch u8/network layer with trans
>> flag and drop action
>> ok 7 1934 - Add cgroup filter with cmp ematch u16/network layer and pipe
>> action
>> ok 8 2733 - Add cgroup filter with cmp ematch u32/network layer and
>> miltiple actions
>> ok 9 3271 - Add cgroup filter with NOT cmp ematch rule and pass action
>> ok 10 2362 - Add cgroup filter with two ANDed cmp ematch rules and single
>> action
>> ok 11 9993 - Add cgroup filter with two ORed cmp ematch rules and single
>> action
>> ok 12 2331 - Add cgroup filter with two ANDed cmp ematch rules and one
>> ORed ematch rule and single action
>> ok 13 3645 - Add cgroup filter with two ANDed cmp ematch rules and one
>> NOT ORed ematch rule and single action
>> ok 14 b124 - Add cgroup filter with u32 ematch u8/zero offset and drop
>> action
>> ok 15 7381 - Add cgroup filter with u32 ematch u8/zero offset and invalid
>> value >0xFF
>> ok 16 2231 - Add cgroup filter with u32 ematch u8/positive offset and
>> drop action
>> ok 17 1882 - Add cgroup filter with u32 ematch u8/invalid mask >0xFF
>> ok 18 1237 - Add cgroup filter with u32 ematch u8/missing offset
>> ok 19 3812 - Add cgroup filter with u32 ematch u8/missing AT keyword
>> ok 20 1112 - Add cgroup filter with u32 ematch u8/missing value
>> ok 21 3241 - Add cgroup filter with u32 ematch u8/non-numeric value
>> ok 22 e231 - Add cgroup filter with u32 ematch u8/non-numeric mask
>> ok 23 4652 - Add cgroup filter with u32 ematch u8/negative offset and
>> pass action
>> ok 24 1331 - Add cgroup filter with u32 ematch u16/zero offset and pipe
>> action
>> ok 25 e354 - Add cgroup filter with u32 ematch u16/zero offset and
>> invalid value >0xFFFF
>> ok 26 3538 - Add cgroup filter with u32 ematch u16/positive offset and
>> drop action
>> ok 27 4576 - Add cgroup filter with u32 ematch u16/invalid mask >0xFFFF
>> ok 28 b842 - Add cgroup filter with u32 ematch u16/missing offset
>> ok 29 c924 - Add cgroup filter with u32 ematch u16/missing AT keyword
>> ok 30 cc93 - Add cgroup filter with u32 ematch u16/missing value
>> ok 31 123c - Add cgroup filter with u32 ematch u16/non-numeric value
>> ok 32 3675 - Add cgroup filter with u32 ematch u16/non-numeric mask
>> ok 33 1123 - Add cgroup filter with u32 ematch u16/negative offset and
>> drop action
>> ok 34 4234 - Add cgroup filter with u32 ematch u16/nexthdr+ offset and
>> pass action
>> ok 35 e912 - Add cgroup filter with u32 ematch u32/zero offset and pipe
>> action
>> ok 36 1435 - Add cgroup filter with u32 ematch u32/positive offset and
>> drop action
>> ok 37 1282 - Add cgroup filter with u32 ematch u32/missing offset
>> ok 38 6456 - Add cgroup filter with u32 ematch u32/missing AT keyword
>> ok 39 4231 - Add cgroup filter with u32 ematch u32/missing value
>> ok 40 2131 - Add cgroup filter with u32 ematch u32/non-numeric value
>> ok 41 f125 - Add cgroup filter with u32 ematch u32/non-numeric mask
>> ok 42 4316 - Add cgroup filter with u32 ematch u32/negative offset and
>> drop action
>> ok 43 23ae - Add cgroup filter with u32 ematch u32/nexthdr+ offset and
>> pipe action
>> ok 44 23a1 - Add cgroup filter with canid ematch and single SFF
>> ok 45 324f - Add cgroup filter with canid ematch and single SFF with mask
>> ok 46 2576 - Add cgroup filter with canid ematch and multiple SFF
>> ok 47 4839 - Add cgroup filter with canid ematch and multiple SFF with
>> masks
>> ok 48 6713 - Add cgroup filter with canid ematch and single EFF
>> ok 49 4572 - Add cgroup filter with canid ematch and single EFF with mask
>> ok 50 8031 - Add cgroup filter with canid ematch and multiple EFF
>> ok 51 ab9d - Add cgroup filter with canid ematch and multiple EFF with
>> masks
>> ok 52 5349 - Add cgroup filter with canid ematch and a combination of
>> SFF/EFF
>> ok 53 c934 - Add cgroup filter with canid ematch and a combination of
>> SFF/EFF with masks
>> ok 54 4319 - Replace cgroup filter with diffferent match
>> ok 55 4636 - Detele cgroup filter
>>
>> ./tdc.py -c filters flow
>> ok 1 5294 - Add flow filter with map key and ops
>> ok 2 3514 - Add flow filter with map key or ops
>> ok 3 7534 - Add flow filter with map key xor ops
>> ok 4 4524 - Add flow filter with map key rshift ops
>> ok 5 0230 - Add flow filter with map key addend ops
>> ok 6 2344 - Add flow filter with src map key
>> ok 7 9304 - Add flow filter with proto map key
>> ok 8 9038 - Add flow filter with proto-src map key
>> ok 9 2a03 - Add flow filter with proto-dst map key
>> ok 10 a073 - Add flow filter with iif map key
>> ok 11 3b20 - Add flow filter with priority map key
>> ok 12 8945 - Add flow filter with mark map key
>> ok 13 c034 - Add flow filter with nfct map key
>> ok 14 0205 - Add flow filter with nfct-src map key
>> ok 15 5315 - Add flow filter with nfct-src map key
>> ok 16 7849 - Add flow filter with nfct-proto-src map key
>> ok 17 9902 - Add flow filter with nfct-proto-dst map key
>> ok 18 6742 - Add flow filter with rt-classid map key
>> ok 19 5432 - Add flow filter with sk-uid map key
>> ok 20 4234 - Add flow filter with sk-gid map key
>> ok 21 4522 - Add flow filter with vlan-tag map key
>> ok 22 4253 - Add flow filter with rxhash map key
>> ok 23 4452 - Add flow filter with hash key list
>> ok 24 4341 - Add flow filter with muliple ops
>> ok 25 4322 - List flow filters
>> ok 26 2320 - Replace flow filter with map key num
>> ok 27 3213 - Delete flow filter with map key num
>>
>> ./tdc.py -c filters route
>> ok 1 e122 - Add route filter with from and to tag
>> ok 2 6573 - Add route filter with fromif and to tag
>> ok 3 1362 - Add route filter with to flag and reclassify action
>> ok 4 4720 - Add route filter with from flag and continue actions
>> ok 5 2812 - Add route filter with form tag and pipe action
>> ok 6 7994 - Add route filter with miltiple actions
>> ok 7 4312 - List route filters
>> ok 8 2634 - Delete route filters with pipe action
>>
>> ./tdc.py -c filters rsvp
>> ok 1 2141 - Add rsvp filter with tcp proto and specific IP address
>> ok 2 5267 - Add rsvp filter with udp proto and specific IP address
>> ok 3 2819 - Add rsvp filter with src ip and src port
>> ok 4 c967 - Add rsvp filter with tunnelid and continue action
>> ok 5 5463 - Add rsvp filter with tunnel and pipe action
>> ok 6 2332 - Add rsvp filter with miltiple actions
>> ok 7 8879 - Add rsvp filter with tunnel and skp flag
>> ok 8 8261 - List rsvp filters
>> ok 9 8989 - Delete rsvp filters
>>
>> ./tdc.py -c filters tcindex
>> ok 1 8293 - Add tcindex filter with default action
>> ok 2 7281 - Add tcindex filter with hash size and pass action
>> ok 3 b294 - Add tcindex filter with mask shift and reclassify action
>> ok 4 0532 - Add tcindex filter with pass_on and continue actions
>> ok 5 d473 - Add tcindex filter with pipe action
>> ok 6 2940 - Add tcindex filter with miltiple actions
>> ok 7 1893 - List tcindex filters
>> ok 8 2041 - Change tcindex filters with pass action
>> ok 9 9203 - Replace tcindex filters with pass action
>> ok 10 7957 - Delete tcindex filters with drop action
>>
>> Zhengchao Shao (9):
>>    net/sched: cls_api: add helper for tc cls walker stats updating
>>    net/sched: use tc_cls_stats_update() in filter
>>    selftests/tc-testings: add selftests for bpf filter
>>    selftests/tc-testings: add selftests for cgroup filter
>>    selftests/tc-testings: add selftests for flow filter
>>    selftests/tc-testings: add selftests for route filter
>>    selftests/tc-testings: add selftests for rsvp filter
>>    selftests/tc-testings: add selftests for tcindex filter
>>    selftests/tc-testings: add list case for basic filter
>>
>>   include/net/pkt_cls.h                         |   13 +
>>   net/sched/cls_basic.c                         |    9 +-
>>   net/sched/cls_bpf.c                           |    8 +-
>>   net/sched/cls_flow.c                          |    8 +-
>>   net/sched/cls_fw.c                            |    9 +-
>>   net/sched/cls_route.c                         |    9 +-
>>   net/sched/cls_rsvp.h                          |    9 +-
>>   net/sched/cls_tcindex.c                       |   18 +-
>>   net/sched/cls_u32.c                           |   20 +-
>>   .../tc-testing/tc-tests/filters/basic.json    |   47 +
>>   .../tc-testing/tc-tests/filters/bpf.json      |  171 +++
>>   .../tc-testing/tc-tests/filters/cgroup.json   | 1236 +++++++++++++++++
>>   .../tc-testing/tc-tests/filters/flow.json     |  623 +++++++++
>>   .../tc-testing/tc-tests/filters/route.json    |  181 +++
>>   .../tc-testing/tc-tests/filters/rsvp.json     |  203 +++
>>   .../tc-testing/tc-tests/filters/tcindex.json  |  227 +++
>>   16 files changed, 2716 insertions(+), 75 deletions(-)
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/bpf.json
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/cgroup.json
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/flow.json
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/route.json
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/rsvp.json
>>   create mode 100644 
>> tools/testing/selftests/tc-testing/tc-tests/filters/tcindex.json
>>
> 
> Aside from tabs vs spaces nit-picking, the test patches in this set look 
> good.

Hi Victor and Jamal:
	Thank you for your review. I will change them in V3.

Zhengchao Shao

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