diff options
| author |   Manish Kurup <kurup.manish@gmail.com> | 2017-11-07 15:48:15 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-11-10 15:32:20 +0900 |
| commit | e0496cbbf8fb5d831e74b8cedb54236a49413679 (patch) | |
| tree | c304adae577a03f5ff4fb6e9478eeb06861d90b1 /net | |
| parent | sfc: don't warn on successful change of MAC (diff) | |
| download | linux-dev-e0496cbbf8fb5d831e74b8cedb54236a49413679.tar.xz linux-dev-e0496cbbf8fb5d831e74b8cedb54236a49413679.zip | |
act_vlan: Change stats update to use per-core stats
The VLAN action maintains one set of stats across all cores, and uses a
spinlock to synchronize updates to it from the same. Changed this to use a
per-CPU stats context instead.
This change will result in better performance.
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Manish Kurup <manish.kurup@verizon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/act_vlan.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/sched/act_vlan.c b/net/sched/act_vlan.c index 16eb067a8d8f..b093badc1450 100644 --- a/net/sched/act_vlan.c +++ b/net/sched/act_vlan.c @@ -30,9 +30,10 @@ static int tcf_vlan(struct sk_buff *skb, const struct tc_action *a, int err; u16 tci; - spin_lock(&v->tcf_lock); tcf_lastuse_update(&v->tcf_tm); - bstats_update(&v->tcf_bstats, skb); + bstats_cpu_update(this_cpu_ptr(v->common.cpu_bstats), skb); + + spin_lock(&v->tcf_lock); action = v->tcf_action; /* Ensure 'data' points at mac_header prior calling vlan manipulating @@ -85,7 +86,8 @@ static int tcf_vlan(struct sk_buff *skb, const struct tc_action *a, drop: action = TC_ACT_SHOT; - v->tcf_qstats.drops++; + qstats_drop_inc(this_cpu_ptr(v->common.cpu_qstats)); + unlock: if (skb_at_tc_ingress(skb)) skb_pull_rcsum(skb, skb->mac_len); @@ -172,7 +174,7 @@ static int tcf_vlan_init(struct net *net, struct nlattr *nla, if (!exists) { ret = tcf_idr_create(tn, parm->index, est, a, - &act_vlan_ops, bind, false); + &act_vlan_ops, bind, true); if (ret) return ret; |