[net-next,v3,02/18] net/sched: use tc_qdisc_stats_dump() in qdisc

Message ID	20220921024118.386700-1-shaozhengchao@huawei.com (mailing list archive)
State	Accepted
Commit	e046fa895c45235095693e44244292a6ab9c3d0b
Headers	show Return-Path: <linux-kselftest-owner@kernel.org> From: Zhengchao Shao <shaozhengchao@huawei.com> To: <netdev@vger.kernel.org>, <cake@lists.bufferbloat.net>, <linux-kselftest@vger.kernel.org>, <jhs@mojatatu.com>, <xiyou.wangcong@gmail.com>, <jiri@resnulli.us>, <davem@davemloft.net>, <edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>, <toke@toke.dk>, <vinicius.gomes@intel.com>, <stephen@networkplumber.org>, <shuah@kernel.org>, <victor@mojatatu.com> CC: <zhijianx.li@intel.com>, <weiyongjun1@huawei.com>, <yuehaibing@huawei.com>, <shaozhengchao@huawei.com> Subject: [PATCH net-next,v3 02/18] net/sched: use tc_qdisc_stats_dump() in qdisc Date: Wed, 21 Sep 2022 10:41:18 +0800 Message-ID: <20220921024118.386700-1-shaozhengchao@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk
Series	refactor duplicate codes in the qdisc class walk function \| expand [net-next,v3,00/18] refactor duplicate codes in the qdisc class walk function [net-next,v3,01/18] net/sched: sch_api: add helper for tc qdisc walker stats dump [net-next,v3,02/18] net/sched: use tc_qdisc_stats_dump() in qdisc [net-next,v3,03/18] selftests/tc-testing: add selftests for cake qdisc [net-next,v3,04/18] selftests/tc-testing: add selftests for cbq qdisc [net-next,v3,05/18] selftests/tc-testing: add selftests for cbs qdisc [net-next,v3,06/18] selftests/tc-testing: add selftests for drr qdisc [net-next,v3,07/18] selftests/tc-testing: add selftests for dsmark qdisc [net-next,v3,08/18] selftests/tc-testing: add selftests for fq_codel qdisc [net-next,v3,09/18] selftests/tc-testing: add selftests for hfsc qdisc [net-next,v3,10/18] selftests/tc-testing: add selftests for htb qdisc [net-next,v3,11/18] selftests/tc-testing: add selftests for mqprio qdisc [net-next,v3,12/18] selftests/tc-testing: add selftests for multiq qdisc [net-next,v3,13/18] selftests/tc-testing: add selftests for netem qdisc [net-next,v3,14/18] selftests/tc-testing: add selftests for qfq qdisc [net-next,v3,15/18] selftests/tc-testing: add show class case for ingress qdisc [net-next,v3,16/18] selftests/tc-testing: add show class case for mq qdisc [net-next,v3,17/18] selftests/tc-testing: add show class case for prio qdisc [net-next,v3,18/18] selftests/tc-testing: add show class case for red qdisc

diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c index 816fd0d7ba38..f52255fea652 100644 --- a/net/sched/sch_atm.c +++ b/net/sched/sch_atm.c @@ -354,12 +354,8 @@ static void atm_tc_walk(struct Qdisc *sch, struct qdisc_walker *walker) if (walker->stop) return; list_for_each_entry(flow, &p->flows, list) { - if (walker->count >= walker->skip && - walker->fn(sch, (unsigned long)flow, walker) < 0) { - walker->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)flow, walker)) break; - } - walker->count++; } } diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 36acc95d611e..55c6879d2c7e 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -3061,16 +3061,13 @@ static void cake_walk(struct Qdisc *sch, struct qdisc_walker *arg) struct cake_tin_data *b = &q->tins[q->tin_order[i]]; for (j = 0; j < CAKE_QUEUES; j++) { - if (list_empty(&b->flows[j].flowchain) || - arg->count < arg->skip) { + if (list_empty(&b->flows[j].flowchain)) { arg->count++; continue; } - if (arg->fn(sch, i * CAKE_QUEUES + j + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, i * CAKE_QUEUES + j + 1, + arg)) break; - } - arg->count++; } } } diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index ba99ce05cd52..6568e17c4c63 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1676,15 +1676,8 @@ static void cbq_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (h = 0; h < q->clhash.hashsize; h++) { hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c index 459cc240eda9..cac870eb7897 100644 --- a/net/sched/sch_cbs.c +++ b/net/sched/sch_cbs.c @@ -520,13 +520,7 @@ static unsigned long cbs_find(struct Qdisc *sch, u32 classid) static void cbs_walk(struct Qdisc *sch, struct qdisc_walker *walker) { if (!walker->stop) { - if (walker->count >= walker->skip) { - if (walker->fn(sch, 1, walker) < 0) { - walker->stop = 1; - return; - } - } - walker->count++; + tc_qdisc_stats_dump(sch, 1, walker); } } diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c index 4e5b1cf11b85..e35a4e90f4e6 100644 --- a/net/sched/sch_drr.c +++ b/net/sched/sch_drr.c @@ -284,15 +284,8 @@ static void drr_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (i = 0; i < q->clhash.hashsize; i++) { hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index 7da6dc38a382..401ffaf87d62 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -176,16 +176,12 @@ static void dsmark_walk(struct Qdisc *sch, struct qdisc_walker *walker) return; for (i = 0; i < p->indices; i++) { - if (p->mv[i].mask == 0xff && !p->mv[i].value) - goto ignore; - if (walker->count >= walker->skip) { - if (walker->fn(sch, i + 1, walker) < 0) { - walker->stop = 1; - break; - } + if (p->mv[i].mask == 0xff && !p->mv[i].value) { + walker->count++; + continue; } -ignore: - walker->count++; + if (!tc_qdisc_stats_dump(sch, i + 1, walker)) + break; } } diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c index a3aea22ef09d..b10efeaf0629 100644 --- a/net/sched/sch_ets.c +++ b/net/sched/sch_ets.c @@ -341,15 +341,8 @@ static void ets_qdisc_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < q->nbands; i++) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, i + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, i + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index eeea8c6d54e2..99d318b60568 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -673,16 +673,12 @@ static void fq_codel_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < q->flows_cnt; i++) { - if (list_empty(&q->flows[i].flowchain) || - arg->count < arg->skip) { + if (list_empty(&q->flows[i].flowchain)) { arg->count++; continue; } - if (arg->fn(sch, i + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, i + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c index c8bef923c79c..70b0c5873d32 100644 --- a/net/sched/sch_hfsc.c +++ b/net/sched/sch_hfsc.c @@ -1349,15 +1349,8 @@ hfsc_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (i = 0; i < q->clhash.hashsize; i++) { hlist_for_each_entry(cl, &q->clhash.hash[i], cl_common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c index 78d0c7549c74..e5b4bbf3ce3d 100644 --- a/net/sched/sch_htb.c +++ b/net/sched/sch_htb.c @@ -2119,15 +2119,8 @@ static void htb_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (i = 0; i < q->clhash.hashsize; i++) { hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index 83d2e54bf303..d0bc660d7401 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -247,11 +247,8 @@ static void mq_walk(struct Qdisc *sch, struct qdisc_walker *arg) arg->count = arg->skip; for (ntx = arg->skip; ntx < dev->num_tx_queues; ntx++) { - if (arg->fn(sch, ntx + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, ntx + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c index b29f3453c6ea..4c68abaa289b 100644 --- a/net/sched/sch_mqprio.c +++ b/net/sched/sch_mqprio.c @@ -558,11 +558,8 @@ static void mqprio_walk(struct Qdisc *sch, struct qdisc_walker *arg) /* Walk hierarchy with a virtual class per tc */ arg->count = arg->skip; for (ntx = arg->skip; ntx < netdev_get_num_tc(dev); ntx++) { - if (arg->fn(sch, ntx + TC_H_MIN_PRIORITY, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, ntx + TC_H_MIN_PRIORITY, arg)) return; - } - arg->count++; } /* Pad the values and skip over unused traffic classes */ diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c index f28050c7f12d..75c9c860182b 100644 --- a/net/sched/sch_multiq.c +++ b/net/sched/sch_multiq.c @@ -353,15 +353,8 @@ static void multiq_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (band = 0; band < q->bands; band++) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, band + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, band + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index b70ac04110dd..18f4273a835b 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -1251,12 +1251,8 @@ static unsigned long netem_find(struct Qdisc *sch, u32 classid) static void netem_walk(struct Qdisc *sch, struct qdisc_walker *walker) { if (!walker->stop) { - if (walker->count >= walker->skip) - if (walker->fn(sch, 1, walker) < 0) { - walker->stop = 1; - return; - } - walker->count++; + if (!tc_qdisc_stats_dump(sch, 1, walker)) + return; } } diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 298794c04836..fdc5ef52c3ee 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -376,15 +376,8 @@ static void prio_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (prio = 0; prio < q->bands; prio++) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, prio + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, prio + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 13246a9dc5c1..cf5ebe43b3b4 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -659,15 +659,8 @@ static void qfq_walk(struct Qdisc *sch, struct qdisc_walker *arg) for (i = 0; i < q->clhash.hashsize; i++) { hlist_for_each_entry(cl, &q->clhash.hash[i], common.hnode) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, (unsigned long)cl, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg)) return; - } - arg->count++; } } } diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 4952406f70b9..a5a401f93c1a 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -516,12 +516,7 @@ static unsigned long red_find(struct Qdisc *sch, u32 classid) static void red_walk(struct Qdisc *sch, struct qdisc_walker *walker) { if (!walker->stop) { - if (walker->count >= walker->skip) - if (walker->fn(sch, 1, walker) < 0) { - walker->stop = 1; - return; - } - walker->count++; + tc_qdisc_stats_dump(sch, 1, walker); } } diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 1be8d04d69dc..e2389fa3cff8 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -659,12 +659,7 @@ static int sfb_delete(struct Qdisc *sch, unsigned long cl, static void sfb_walk(struct Qdisc *sch, struct qdisc_walker *walker) { if (!walker->stop) { - if (walker->count >= walker->skip) - if (walker->fn(sch, 1, walker) < 0) { - walker->stop = 1; - return; - } - walker->count++; + tc_qdisc_stats_dump(sch, 1, walker); } } diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index f8e569f79f13..abd436307d6a 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -888,16 +888,12 @@ static void sfq_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < q->divisor; i++) { - if (q->ht[i] == SFQ_EMPTY_SLOT || - arg->count < arg->skip) { + if (q->ht[i] == SFQ_EMPTY_SLOT) { arg->count++; continue; } - if (arg->fn(sch, i + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, i + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_skbprio.c b/net/sched/sch_skbprio.c index df72fb83d9c7..5df2dacb7b1a 100644 --- a/net/sched/sch_skbprio.c +++ b/net/sched/sch_skbprio.c @@ -265,15 +265,8 @@ static void skbprio_walk(struct Qdisc *sch, struct qdisc_walker *arg) return; for (i = 0; i < SKBPRIO_MAX_PRIORITY; i++) { - if (arg->count < arg->skip) { - arg->count++; - continue; - } - if (arg->fn(sch, i + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, i + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index db88a692ef81..bddc1ed0c56b 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -2000,11 +2000,8 @@ static void taprio_walk(struct Qdisc *sch, struct qdisc_walker *arg) arg->count = arg->skip; for (ntx = arg->skip; ntx < dev->num_tx_queues; ntx++) { - if (arg->fn(sch, ntx + 1, arg) < 0) { - arg->stop = 1; + if (!tc_qdisc_stats_dump(sch, ntx + 1, arg)) break; - } - arg->count++; } } diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index e031c1a41ea6..277ad11f4d61 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -580,12 +580,7 @@ static unsigned long tbf_find(struct Qdisc *sch, u32 classid) static void tbf_walk(struct Qdisc *sch, struct qdisc_walker *walker) { if (!walker->stop) { - if (walker->count >= walker->skip) - if (walker->fn(sch, 1, walker) < 0) { - walker->stop = 1; - return; - } - walker->count++; + tc_qdisc_stats_dump(sch, 1, walker); } }

[net-next,v3,02/18] net/sched: use tc_qdisc_stats_dump() in qdisc

Commit Message

Comments

Patch