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net/sched: act_ct: Offload only ASSURED connections

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Short-lived connections increase the insertion rate requirements,
fill the offload table and provide very limited offload value since
they process a very small amount of packets. The ct ASSURED flag is
designed to filter short-lived connections for early expiration.

Offload connections when they are ESTABLISHED and ASSURED.

Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Mi 2021-12-01 15:31:53 +02:00 committed by David S. Miller
parent 119c1a336d
commit 43332cf974
1 changed files with 2 additions and 1 deletions
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3
net/sched/act_ct.c
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@ -393,7 +393,8 @@ static void tcf_ct_flow_table_process_conn(struct tcf_ct_flow_table *ct_ft,
{
bool tcp = false;
if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
if ((ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY) ||
!test_bit(IPS_ASSURED_BIT, &ct->status))
return;
switch (nf_ct_protonum(ct)) {