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Tue, 14 Feb 2023 13:16:00 -0800 (PST) Received: from localhost.localdomain ([2804:14d:5c5e:4698:565a:c0a1:97af:209b]) by smtp.gmail.com with ESMTPSA id b6-20020a9d5d06000000b0068bd3001922sm6949754oti.45.2023.02.14.13.15.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Feb 2023 13:15:59 -0800 (PST) From: Pedro Tammela To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, Pedro Tammela Subject: [PATCH net-next v2 3/4] net/sched: act_gate: use percpu stats Date: Tue, 14 Feb 2023 18:15:33 -0300 Message-Id: <20230214211534.735718-4-pctammela@mojatatu.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214211534.735718-1-pctammela@mojatatu.com> References: <20230214211534.735718-1-pctammela@mojatatu.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The tc action act_gate was using shared stats, move it to percpu stats. tdc results: 1..12 ok 1 5153 - Add gate action with priority and sched-entry ok 2 7189 - Add gate action with base-time ok 3 a721 - Add gate action with cycle-time ok 4 c029 - Add gate action with cycle-time-ext ok 5 3719 - Replace gate base-time action ok 6 d821 - Delete gate action with valid index ok 7 3128 - Delete gate action with invalid index ok 8 7837 - List gate actions ok 9 9273 - Flush gate actions ok 10 c829 - Add gate action with duplicate index ok 11 3043 - Add gate action with invalid index ok 12 2930 - Add gate action with cookie Reviewed-by: Jamal Hadi Salim Signed-off-by: Pedro Tammela --- net/sched/act_gate.c | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c index 9b8def0be41e..c9a811f4c7ee 100644 --- a/net/sched/act_gate.c +++ b/net/sched/act_gate.c @@ -119,35 +119,37 @@ TC_INDIRECT_SCOPE int tcf_gate_act(struct sk_buff *skb, struct tcf_result *res) { struct tcf_gate *gact = to_gate(a); - - spin_lock(&gact->tcf_lock); + int action = READ_ONCE(gact->tcf_action); tcf_lastuse_update(&gact->tcf_tm); - bstats_update(&gact->tcf_bstats, skb); + tcf_action_update_bstats(&gact->common, skb); + spin_lock(&gact->tcf_lock); if (unlikely(gact->current_gate_status & GATE_ACT_PENDING)) { spin_unlock(&gact->tcf_lock); - return gact->tcf_action; + return action; } - if (!(gact->current_gate_status & GATE_ACT_GATE_OPEN)) + if (!(gact->current_gate_status & GATE_ACT_GATE_OPEN)) { + spin_unlock(&gact->tcf_lock); goto drop; + } if (gact->current_max_octets >= 0) { gact->current_entry_octets += qdisc_pkt_len(skb); if (gact->current_entry_octets > gact->current_max_octets) { - gact->tcf_qstats.overlimits++; - goto drop; + spin_unlock(&gact->tcf_lock); + goto overlimit; } } - spin_unlock(&gact->tcf_lock); - return gact->tcf_action; -drop: - gact->tcf_qstats.drops++; - spin_unlock(&gact->tcf_lock); + return action; +overlimit: + tcf_action_inc_overlimit_qstats(&gact->common); +drop: + tcf_action_inc_drop_qstats(&gact->common); return TC_ACT_SHOT; } @@ -357,8 +359,8 @@ static int tcf_gate_init(struct net *net, struct nlattr *nla, return 0; if (!err) { - ret = tcf_idr_create(tn, index, est, a, - &act_gate_ops, bind, false, flags); + ret = tcf_idr_create_from_flags(tn, index, est, a, + &act_gate_ops, bind, flags); if (ret) { tcf_idr_cleanup(tn, index); return ret; -- 2.34.1