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net: qos offload add flow status with dropped count

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This patch adds a drop frames counter to tc flower offloading.
Reporting h/w dropped frames is necessary for some actions.
Some actions like police action and the coming introduced stream gate
action would produce dropped frames which is necessary for user. Status
update shows how many filtered packets increasing and how many dropped
in those packets.

v2: Changes
 - Update commit comments suggest by Jiri Pirko.

Signed-off-by: Po Liu <Po.Liu@nxp.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Po Liu
2020-06-19 14:01:07 +08:00
committed by David S. Miller
parent 7cc373db7e
commit 4b61d3e8d3
25 changed files with 60 additions and 50 deletions
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10
net/sched/act_api.c
View File

@ -1059,14 +1059,13 @@ err:
return err;
}
void tcf_action_update_stats(struct tc_action *a, u64 bytes, u32 packets,
bool drop, bool hw)
void tcf_action_update_stats(struct tc_action *a, u64 bytes, u64 packets,
u64 drops, bool hw)
{
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;
this_cpu_ptr(a->cpu_qstats)->drops += drops;
if (hw)
_bstats_cpu_update(this_cpu_ptr(a->cpu_bstats_hw),
@ -1075,8 +1074,7 @@ void tcf_action_update_stats(struct tc_action *a, u64 bytes, u32 packets,
}
_bstats_update(&a->tcfa_bstats, bytes, packets);
if (drop)
a->tcfa_qstats.drops += packets;
a->tcfa_qstats.drops += drops;
if (hw)
_bstats_update(&a->tcfa_bstats_hw, bytes, packets);
}