diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_config.c b/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
index 45b031d4dd46..53887069b432 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe_config.c
@@ -43,6 +43,29 @@ struct ppe_bm_port_config {
 	bool dynamic;
 };
 
+/**
+ * struct ppe_qm_queue_config - PPE queue config.
+ * @queue_start: PPE start of queue ID.
+ * @queue_end: PPE end of queue ID.
+ * @prealloc_buf: Queue dedicated buffer number.
+ * @ceil: Ceil to start drop packet from queue.
+ * @weight: Weight value.
+ * @resume_offset: Resume offset from the threshold.
+ * @dynamic: Threshold value is decided dynamically or statically.
+ *
+ * Queue configuration decides the threshold to drop packet from PPE
+ * hardware queue.
+ */
+struct ppe_qm_queue_config {
+	unsigned int queue_start;
+	unsigned int queue_end;
+	unsigned int prealloc_buf;
+	unsigned int ceil;
+	unsigned int weight;
+	unsigned int resume_offset;
+	bool dynamic;
+};
+
 /* There are total 2048 buffers available in PPE, out of which some
  * buffers are reserved for some specific purposes per PPE port. The
  * rest of the pool of 1550 buffers are assigned to the general 'group0'
@@ -106,6 +129,40 @@ static const struct ppe_bm_port_config ipq9574_ppe_bm_port_config[] = {
 	},
 };
 
+/* QM fetches the packet from PPE buffer management for transmitting the
+ * packet out. The QM group configuration limits the total number of buffers
+ * enqueued by all PPE hardware queues.
+ * There are total 2048 buffers available, out of which some buffers are
+ * dedicated to hardware exception handlers. The remaining buffers are
+ * assigned to the general 'group0', which is the group assigned to all
+ * queues by default.
+ */
+static const int ipq9574_ppe_qm_group_config = 2000;
+
+/* Default QM settings for unicast and multicast queues for IPQ9754. */
+static const struct ppe_qm_queue_config ipq9574_ppe_qm_queue_config[] = {
+	{
+		/* QM settings for unicast queues 0 to 255. */
+		.queue_start	= 0,
+		.queue_end	= 255,
+		.prealloc_buf	= 0,
+		.ceil		= 1200,
+		.weight		= 7,
+		.resume_offset	= 36,
+		.dynamic	= true,
+	},
+	{
+		/* QM settings for multicast queues 256 to 299. */
+		.queue_start	= 256,
+		.queue_end	= 299,
+		.prealloc_buf	= 0,
+		.ceil		= 250,
+		.weight		= 0,
+		.resume_offset	= 36,
+		.dynamic	= false,
+	},
+};
+
 static int ppe_config_bm_threshold(struct ppe_device *ppe_dev, int bm_port_id,
 				   const struct ppe_bm_port_config port_cfg)
 {
@@ -193,7 +250,132 @@ static int ppe_config_bm(struct ppe_device *ppe_dev)
 	return ret;
 }
 
+/* Configure PPE hardware queue depth, which is decided by the threshold
+ * of queue.
+ */
+static int ppe_config_qm(struct ppe_device *ppe_dev)
+{
+	const struct ppe_qm_queue_config *queue_cfg;
+	int ret, i, queue_id, queue_cfg_count;
+	u32 reg, multicast_queue_cfg[5];
+	u32 unicast_queue_cfg[4];
+	u32 group_cfg[3];
+
+	/* Assign the buffer number to the group 0 by default. */
+	reg = PPE_AC_GRP_CFG_TBL_ADDR;
+	ret = regmap_bulk_read(ppe_dev->regmap, reg,
+			       group_cfg, ARRAY_SIZE(group_cfg));
+	if (ret)
+		goto qm_config_fail;
+
+	PPE_AC_GRP_SET_BUF_LIMIT(group_cfg, ipq9574_ppe_qm_group_config);
+
+	ret = regmap_bulk_write(ppe_dev->regmap, reg,
+				group_cfg, ARRAY_SIZE(group_cfg));
+	if (ret)
+		goto qm_config_fail;
+
+	queue_cfg = ipq9574_ppe_qm_queue_config;
+	queue_cfg_count = ARRAY_SIZE(ipq9574_ppe_qm_queue_config);
+	for (i = 0; i < queue_cfg_count; i++) {
+		queue_id = queue_cfg[i].queue_start;
+
+		/* Configure threshold for dropping packets separately for
+		 * unicast and multicast PPE queues.
+		 */
+		while (queue_id <= queue_cfg[i].queue_end) {
+			if (queue_id < PPE_AC_UNICAST_QUEUE_CFG_TBL_ENTRIES) {
+				reg = PPE_AC_UNICAST_QUEUE_CFG_TBL_ADDR +
+				      PPE_AC_UNICAST_QUEUE_CFG_TBL_INC * queue_id;
+
+				ret = regmap_bulk_read(ppe_dev->regmap, reg,
+						       unicast_queue_cfg,
+						       ARRAY_SIZE(unicast_queue_cfg));
+				if (ret)
+					goto qm_config_fail;
+
+				PPE_AC_UNICAST_QUEUE_SET_EN(unicast_queue_cfg, true);
+				PPE_AC_UNICAST_QUEUE_SET_GRP_ID(unicast_queue_cfg, 0);
+				PPE_AC_UNICAST_QUEUE_SET_PRE_LIMIT(unicast_queue_cfg,
+								   queue_cfg[i].prealloc_buf);
+				PPE_AC_UNICAST_QUEUE_SET_DYNAMIC(unicast_queue_cfg,
+								 queue_cfg[i].dynamic);
+				PPE_AC_UNICAST_QUEUE_SET_WEIGHT(unicast_queue_cfg,
+								queue_cfg[i].weight);
+				PPE_AC_UNICAST_QUEUE_SET_THRESHOLD(unicast_queue_cfg,
+								   queue_cfg[i].ceil);
+				PPE_AC_UNICAST_QUEUE_SET_GRN_RESUME(unicast_queue_cfg,
+								    queue_cfg[i].resume_offset);
+
+				ret = regmap_bulk_write(ppe_dev->regmap, reg,
+							unicast_queue_cfg,
+							ARRAY_SIZE(unicast_queue_cfg));
+				if (ret)
+					goto qm_config_fail;
+			} else {
+				reg = PPE_AC_MULTICAST_QUEUE_CFG_TBL_ADDR +
+				      PPE_AC_MULTICAST_QUEUE_CFG_TBL_INC * queue_id;
+
+				ret = regmap_bulk_read(ppe_dev->regmap, reg,
+						       multicast_queue_cfg,
+						       ARRAY_SIZE(multicast_queue_cfg));
+				if (ret)
+					goto qm_config_fail;
+
+				PPE_AC_MULTICAST_QUEUE_SET_EN(multicast_queue_cfg, true);
+				PPE_AC_MULTICAST_QUEUE_SET_GRN_GRP_ID(multicast_queue_cfg, 0);
+				PPE_AC_MULTICAST_QUEUE_SET_GRN_PRE_LIMIT(multicast_queue_cfg,
+									 queue_cfg[i].prealloc_buf);
+				PPE_AC_MULTICAST_QUEUE_SET_GRN_THRESHOLD(multicast_queue_cfg,
+									 queue_cfg[i].ceil);
+				PPE_AC_MULTICAST_QUEUE_SET_GRN_RESUME(multicast_queue_cfg,
+								      queue_cfg[i].resume_offset);
+
+				ret = regmap_bulk_write(ppe_dev->regmap, reg,
+							multicast_queue_cfg,
+							ARRAY_SIZE(multicast_queue_cfg));
+				if (ret)
+					goto qm_config_fail;
+			}
+
+			/* Enable enqueue. */
+			reg = PPE_ENQ_OPR_TBL_ADDR + PPE_ENQ_OPR_TBL_INC * queue_id;
+			ret = regmap_clear_bits(ppe_dev->regmap, reg,
+						PPE_ENQ_OPR_TBL_ENQ_DISABLE);
+			if (ret)
+				goto qm_config_fail;
+
+			/* Enable dequeue. */
+			reg = PPE_DEQ_OPR_TBL_ADDR + PPE_DEQ_OPR_TBL_INC * queue_id;
+			ret = regmap_clear_bits(ppe_dev->regmap, reg,
+						PPE_DEQ_OPR_TBL_DEQ_DISABLE);
+			if (ret)
+				goto qm_config_fail;
+
+			queue_id++;
+		}
+	}
+
+	/* Enable queue counter for all PPE hardware queues. */
+	ret = regmap_set_bits(ppe_dev->regmap, PPE_EG_BRIDGE_CONFIG_ADDR,
+			      PPE_EG_BRIDGE_CONFIG_QUEUE_CNT_EN);
+	if (ret)
+		goto qm_config_fail;
+
+	return 0;
+
+qm_config_fail:
+	dev_err(ppe_dev->dev, "PPE QM config error %d\n", ret);
+	return ret;
+}
+
 int ppe_hw_config(struct ppe_device *ppe_dev)
 {
-	return ppe_config_bm(ppe_dev);
+	int ret;
+
+	ret = ppe_config_bm(ppe_dev);
+	if (ret)
+		return ret;
+
+	return ppe_config_qm(ppe_dev);
 }
diff --git a/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h b/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h
index b89d717fdae8..ca256fe2a321 100644
--- a/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h
+++ b/drivers/net/ethernet/qualcomm/ppe/ppe_regs.h
@@ -9,6 +9,16 @@
 
 #include <linux/bitfield.h>
 
+/* PPE queue counters enable/disable control. */
+#define PPE_EG_BRIDGE_CONFIG_ADDR		0x20044
+#define PPE_EG_BRIDGE_CONFIG_QUEUE_CNT_EN	BIT(2)
+
+/* Table addresses for per-queue dequeue setting. */
+#define PPE_DEQ_OPR_TBL_ADDR			0x430000
+#define PPE_DEQ_OPR_TBL_ENTRIES			300
+#define PPE_DEQ_OPR_TBL_INC			0x10
+#define PPE_DEQ_OPR_TBL_DEQ_DISABLE		BIT(0)
+
 /* There are 15 BM ports and 4 BM groups supported by PPE.
  * BM port (0-7) is for EDMA port 0, BM port (8-13) is for
  * PPE physical port 1-6 and BM port 14 is for EIP port.
@@ -56,4 +66,79 @@
 	FIELD_MODIFY(PPE_BM_PORT_FC_W1_DYNAMIC, (tbl_cfg) + 0x1, value)
 #define PPE_BM_PORT_FC_SET_PRE_ALLOC(tbl_cfg, value)	\
 	FIELD_MODIFY(PPE_BM_PORT_FC_W1_PRE_ALLOC, (tbl_cfg) + 0x1, value)
+
+/* PPE unicast queue (0-255) configurations. */
+#define PPE_AC_UNICAST_QUEUE_CFG_TBL_ADDR	0x848000
+#define PPE_AC_UNICAST_QUEUE_CFG_TBL_ENTRIES	256
+#define PPE_AC_UNICAST_QUEUE_CFG_TBL_INC	0x10
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_EN		BIT(0)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_WRED_EN	BIT(1)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_FC_EN	BIT(2)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_CLR_AWARE	BIT(3)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_GRP_ID	GENMASK(5, 4)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_PRE_LIMIT	GENMASK(16, 6)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_DYNAMIC	BIT(17)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_WEIGHT	GENMASK(20, 18)
+#define PPE_AC_UNICAST_QUEUE_CFG_W0_THRESHOLD	GENMASK(31, 21)
+#define PPE_AC_UNICAST_QUEUE_CFG_W3_GRN_RESUME	GENMASK(23, 13)
+
+#define PPE_AC_UNICAST_QUEUE_SET_EN(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_EN, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_GRP_ID(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_GRP_ID, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_PRE_LIMIT(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_PRE_LIMIT, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_DYNAMIC(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_DYNAMIC, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_WEIGHT(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_WEIGHT, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_THRESHOLD(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W0_THRESHOLD, tbl_cfg, value)
+#define PPE_AC_UNICAST_QUEUE_SET_GRN_RESUME(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_UNICAST_QUEUE_CFG_W3_GRN_RESUME, (tbl_cfg) + 0x3, value)
+
+/* PPE multicast queue (256-299) configurations. */
+#define PPE_AC_MULTICAST_QUEUE_CFG_TBL_ADDR	0x84a000
+#define PPE_AC_MULTICAST_QUEUE_CFG_TBL_ENTRIES	44
+#define PPE_AC_MULTICAST_QUEUE_CFG_TBL_INC	0x10
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_EN	BIT(0)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_FC_EN	BIT(1)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_CLR_AWARE	BIT(2)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_GRP_ID	GENMASK(4, 3)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_PRE_LIMIT	GENMASK(15, 5)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W0_THRESHOLD	GENMASK(26, 16)
+#define PPE_AC_MULTICAST_QUEUE_CFG_W2_RESUME	GENMASK(17, 7)
+
+#define PPE_AC_MULTICAST_QUEUE_SET_EN(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_MULTICAST_QUEUE_CFG_W0_EN, tbl_cfg, value)
+#define PPE_AC_MULTICAST_QUEUE_SET_GRN_GRP_ID(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_MULTICAST_QUEUE_CFG_W0_GRP_ID, tbl_cfg, value)
+#define PPE_AC_MULTICAST_QUEUE_SET_GRN_PRE_LIMIT(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_MULTICAST_QUEUE_CFG_W0_PRE_LIMIT, tbl_cfg, value)
+#define PPE_AC_MULTICAST_QUEUE_SET_GRN_THRESHOLD(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_MULTICAST_QUEUE_CFG_W0_THRESHOLD, tbl_cfg, value)
+#define PPE_AC_MULTICAST_QUEUE_SET_GRN_RESUME(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_MULTICAST_QUEUE_CFG_W2_RESUME, (tbl_cfg) + 0x2, value)
+
+/* PPE admission control group (0-3) configurations */
+#define PPE_AC_GRP_CFG_TBL_ADDR			0x84c000
+#define PPE_AC_GRP_CFG_TBL_ENTRIES		0x4
+#define PPE_AC_GRP_CFG_TBL_INC			0x10
+#define PPE_AC_GRP_W0_AC_EN			BIT(0)
+#define PPE_AC_GRP_W0_AC_FC_EN			BIT(1)
+#define PPE_AC_GRP_W0_CLR_AWARE			BIT(2)
+#define PPE_AC_GRP_W0_THRESHOLD_LOW		GENMASK(31, 25)
+#define PPE_AC_GRP_W1_THRESHOLD_HIGH		GENMASK(3, 0)
+#define PPE_AC_GRP_W1_BUF_LIMIT			GENMASK(14, 4)
+#define PPE_AC_GRP_W2_RESUME_GRN		GENMASK(15, 5)
+#define PPE_AC_GRP_W2_PRE_ALLOC			GENMASK(26, 16)
+
+#define PPE_AC_GRP_SET_BUF_LIMIT(tbl_cfg, value)	\
+	FIELD_MODIFY(PPE_AC_GRP_W1_BUF_LIMIT, (tbl_cfg) + 0x1, value)
+
+/* Table addresses for per-queue enqueue setting. */
+#define PPE_ENQ_OPR_TBL_ADDR			0x85c000
+#define PPE_ENQ_OPR_TBL_ENTRIES			300
+#define PPE_ENQ_OPR_TBL_INC			0x10
+#define PPE_ENQ_OPR_TBL_ENQ_DISABLE		BIT(0)
 #endif