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nfp: flower: add get_flow_act_ct() for ct action 

CT action is a special case different from other actions, CT clear action
is not required when get ct action, but this case is not considered.
If CT clear action in the flow rule, skip the CT clear action when get ct
action, return the first ct action that is not a CT clear action

Signed-off-by: Wentao Jia <wentao.jia@corigine.com>
Acked-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Wentao Jia 2023-03-14 08:36:05 +02:00 committed by Jakub Kicinski
parent fabdc10075
commit 8a8db7aeaa
1 changed files with 17 additions and 1 deletions
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18
drivers/net/ethernet/netronome/nfp/flower/conntrack.c
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@ -1656,6 +1656,22 @@ void nfp_fl_ct_clean_flow_entry(struct nfp_fl_ct_flow_entry *entry)
kfree(entry);
}
static struct flow_action_entry *get_flow_act_ct(struct flow_rule *rule)
{
struct flow_action_entry *act;
int i;
/* More than one ct action may be present in a flow rule,
* Return the first one that is not a CT clear action
*/
flow_action_for_each(i, act, &rule->action) {
if (act->id == FLOW_ACTION_CT && act->ct.action != TCA_CT_ACT_CLEAR)
return act;
}
return NULL;
}
static struct flow_action_entry *get_flow_act(struct flow_rule *rule,
enum flow_action_id act_id)
{
@ -1720,7 +1736,7 @@ int nfp_fl_ct_handle_pre_ct(struct nfp_flower_priv *priv,
struct nfp_fl_ct_zone_entry *zt;
int err;
ct_act = get_flow_act(flow->rule, FLOW_ACTION_CT);
ct_act = get_flow_act_ct(flow->rule);
if (!ct_act) {
NL_SET_ERR_MSG_MOD(extack,
"unsupported offload: Conntrack action empty in conntrack offload");