1 files changed, 21 insertions, 2 deletions

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index 9f11c1e40737..6fe67f3a7f6f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -1164,8 +1164,10 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
 {
 	struct npc_exact_table *table;
 	u16 *cnt, old_cnt;
+	bool promisc;
 
 	table = rvu->hw->table;
+	promisc = table->promisc_mode[drop_mcam_idx];
 
 	cnt = &table->cnt_cmd_rules[drop_mcam_idx];
 	old_cnt = *cnt;
@@ -1177,13 +1179,18 @@ static u16 __rvu_npc_exact_cmd_rules_cnt_update(struct rvu *rvu, int drop_mcam_i
 
 	*enable_or_disable_cam = false;
 
-	/* If all rules are deleted, disable cam */
+	if (promisc)
+		goto done;
+
+	/* If all rules are deleted and not already in promisc mode;
+	 * disable cam
+	 */
 	if (!*cnt && val < 0) {
 		*enable_or_disable_cam = true;
 		goto done;
 	}
 
-	/* If rule got added, enable cam */
+	/* If rule got added and not already in promisc mode; enable cam */
 	if (!old_cnt && val > 0) {
 		*enable_or_disable_cam = true;
 		goto done;
@@ -1462,6 +1469,12 @@ int rvu_npc_exact_promisc_disable(struct rvu *rvu, u16 pcifunc)
 	*promisc = false;
 	mutex_unlock(&table->lock);
 
+	/* Enable drop rule */
+	rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX,
+					   true);
+
+	dev_dbg(rvu->dev, "%s: disabled  promisc mode (cgx=%d lmac=%d)\n",
+		__func__, cgx_id, lmac_id);
 	return 0;
 }
 
@@ -1503,6 +1516,12 @@ int rvu_npc_exact_promisc_enable(struct rvu *rvu, u16 pcifunc)
 	*promisc = true;
 	mutex_unlock(&table->lock);
 
+	/*  disable drop rule */
+	rvu_npc_enable_mcam_by_entry_index(rvu, drop_mcam_idx, NIX_INTF_RX,
+					   false);
+
+	dev_dbg(rvu->dev, "%s: Enabled promisc mode (cgx=%d lmac=%d)\n",
+		__func__, cgx_id, lmac_id);
 	return 0;
 }