[PATCH net-next 05/15] net: airoha: update stats on flow deletion

[Pablo Neira Ayuso <pablo@netfilter.org>]

From: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>

Update this driver to use the new approach to fetch stats on flow
deletion, introduced by ("netfilter: flowtable: retrieve stats on flow
deletion").

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@oss.qualcomm.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 drivers/net/ethernet/airoha/airoha_ppe.c | 31 +++++++++++++++---------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/airoha/airoha_ppe.c b/drivers/net/ethernet/airoha/airoha_ppe.c
index f5369c45766d..af8c7fe9b7f0 100644
--- a/drivers/net/ethernet/airoha/airoha_ppe.c
+++ b/drivers/net/ethernet/airoha/airoha_ppe.c
@@ -1285,6 +1285,23 @@ static int airoha_ppe_flow_offload_replace(struct airoha_eth *eth,
 	return err;
 }
 
+static void airoha_ppe_flow_update_stats(struct airoha_eth *eth,
+					 struct flow_cls_offload *f,
+					 struct airoha_flow_table_entry *e)
+{
+	u32 idle = airoha_ppe_entry_idle_time(eth->ppe, e);
+
+	f->stats.lastused = jiffies - idle * HZ;
+	if (e->hash != 0xffff) {
+		struct airoha_foe_stats64 stats = {};
+
+		airoha_ppe_foe_entry_get_stats(eth->ppe, e->hash, &stats);
+		f->stats.pkts += (stats.packets - e->stats.packets);
+		f->stats.bytes += (stats.bytes - e->stats.bytes);
+		e->stats = stats;
+	}
+}
+
 static int airoha_ppe_flow_offload_destroy(struct airoha_eth *eth,
 					   struct flow_cls_offload *f)
 {
@@ -1295,6 +1312,7 @@ static int airoha_ppe_flow_offload_destroy(struct airoha_eth *eth,
 	if (!e)
 		return -ENOENT;
 
+	airoha_ppe_flow_update_stats(eth, f, e);
 	airoha_ppe_foe_flow_remove_entry(eth->ppe, e);
 	rhashtable_remove_fast(&eth->flow_table, &e->node,
 			       airoha_flow_table_params);
@@ -1342,24 +1360,13 @@ static int airoha_ppe_flow_offload_stats(struct airoha_eth *eth,
 					 struct flow_cls_offload *f)
 {
 	struct airoha_flow_table_entry *e;
-	u32 idle;
 
 	e = rhashtable_lookup(&eth->flow_table, &f->cookie,
 			      airoha_flow_table_params);
 	if (!e)
 		return -ENOENT;
 
-	idle = airoha_ppe_entry_idle_time(eth->ppe, e);
-	f->stats.lastused = jiffies - idle * HZ;
-
-	if (e->hash != 0xffff) {
-		struct airoha_foe_stats64 stats = {};
-
-		airoha_ppe_foe_entry_get_stats(eth->ppe, e->hash, &stats);
-		f->stats.pkts += (stats.packets - e->stats.packets);
-		f->stats.bytes += (stats.bytes - e->stats.bytes);
-		e->stats = stats;
-	}
+	airoha_ppe_flow_update_stats(eth, f, e);
 
 	return 0;
 }
-- 
2.47.3