diff options
| author |   Vlad Buslov <vladbu@mellanox.com> | 2019-10-30 16:09:04 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-10-30 18:07:50 -0700 |
| commit | 5e174d5e73dfbfb2c4bc4804f58f2f2aa34c9281 (patch) | |
| tree | 2d4d59cc6776d57a2253be73813889229709dd71 /net/sched | |
| parent | net: sched: don't expose action qstats to skb_tc_reinsert() (diff) | |
| download | linux-dev-5e174d5e73dfbfb2c4bc4804f58f2f2aa34c9281.tar.xz linux-dev-5e174d5e73dfbfb2c4bc4804f58f2f2aa34c9281.zip | |
net: sched: modify stats helper functions to support regular stats
Modify stats update helper functions introduced in previous patches in this
series to fallback to regular tc_action->tcfa_{b|q}stats if cpu stats are
not allocated for the action argument. If regular non-percpu allocated
counters are in use, then obtain action tcfa_lock while modifying them.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_api.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 0638afa2fc3f..f85b88da5216 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -992,14 +992,23 @@ err: void tcf_action_update_stats(struct tc_action *a, u64 bytes, u32 packets, bool drop, bool hw) { - _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets); + if (a->cpu_bstats) { + _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets); - if (drop) - this_cpu_ptr(a->cpu_qstats)->drops += packets; + if (drop) + this_cpu_ptr(a->cpu_qstats)->drops += packets; + + if (hw) + _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats_hw), + bytes, packets); + return; + } + _bstats_update(&a->tcfa_bstats, bytes, packets); + if (drop) + a->tcfa_qstats.drops += packets; if (hw) - _bstats_cpu_update(this_cpu_ptr(a->cpu_bstats_hw), - bytes, packets); + _bstats_update(&a->tcfa_bstats_hw, bytes, packets); } EXPORT_SYMBOL(tcf_action_update_stats); |