diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c
index 7bb0a6d594a0..84f62c77eb8f 100644
--- a/drivers/net/ethernet/renesas/rswitch.c
+++ b/drivers/net/ethernet/renesas/rswitch.c
@@ -90,6 +90,11 @@ static int rswitch_bpool_config(struct rswitch_private *priv)
 	return rswitch_reg_wait(priv->addr, CABPIRM, CABPIRM_BPR, CABPIRM_BPR);
 }
 
+static void rswitch_coma_init(struct rswitch_private *priv)
+{
+	iowrite32(CABPPFLC_INIT_VALUE, priv->addr + CABPPFLC0);
+}
+
 /* R-Switch-2 block (TOP) */
 static void rswitch_top_init(struct rswitch_private *priv)
 {
@@ -156,24 +161,6 @@ static int rswitch_gwca_axi_ram_reset(struct rswitch_private *priv)
 	return rswitch_reg_wait(priv->addr, GWARIRM, GWARIRM_ARR, GWARIRM_ARR);
 }
 
-static void rswitch_gwca_set_rate_limit(struct rswitch_private *priv, int rate)
-{
-	u32 gwgrlulc, gwgrlc;
-
-	switch (rate) {
-	case 1000:
-		gwgrlulc = 0x0000005f;
-		gwgrlc = 0x00010260;
-		break;
-	default:
-		dev_err(&priv->pdev->dev, "%s: This rate is not supported (%d)\n", __func__, rate);
-		return;
-	}
-
-	iowrite32(gwgrlulc, priv->addr + GWGRLULC);
-	iowrite32(gwgrlc, priv->addr + GWGRLC);
-}
-
 static bool rswitch_is_any_data_irq(struct rswitch_private *priv, u32 *dis, bool tx)
 {
 	u32 *mask = tx ? priv->gwca.tx_irq_bits : priv->gwca.rx_irq_bits;
@@ -402,7 +389,7 @@ static int rswitch_gwca_queue_format(struct net_device *ndev,
 	linkfix->die_dt = DT_LINKFIX;
 	rswitch_desc_set_dptr(linkfix, gq->ring_dma);
 
-	iowrite32(GWDCC_BALR | (gq->dir_tx ? GWDCC_DQT : 0) | GWDCC_EDE,
+	iowrite32(GWDCC_BALR | (gq->dir_tx ? GWDCC_DCP(GWCA_IPV_NUM) | GWDCC_DQT : 0) | GWDCC_EDE,
 		  priv->addr + GWDCC_OFFS(gq->index));
 
 	return 0;
@@ -500,7 +487,8 @@ static int rswitch_gwca_queue_ext_ts_format(struct net_device *ndev,
 	linkfix->die_dt = DT_LINKFIX;
 	rswitch_desc_set_dptr(linkfix, gq->ring_dma);
 
-	iowrite32(GWDCC_BALR | (gq->dir_tx ? GWDCC_DQT : 0) | GWDCC_ETS | GWDCC_EDE,
+	iowrite32(GWDCC_BALR | (gq->dir_tx ? GWDCC_DCP(GWCA_IPV_NUM) | GWDCC_DQT : 0) |
+		  GWDCC_ETS | GWDCC_EDE,
 		  priv->addr + GWDCC_OFFS(gq->index));
 
 	return 0;
@@ -649,7 +637,8 @@ static int rswitch_gwca_hw_init(struct rswitch_private *priv)
 	iowrite32(lower_32_bits(priv->gwca.ts_queue.ring_dma), priv->addr + GWTDCAC10);
 	iowrite32(upper_32_bits(priv->gwca.ts_queue.ring_dma), priv->addr + GWTDCAC00);
 	iowrite32(GWCA_TS_IRQ_BIT, priv->addr + GWTSDCC0);
-	rswitch_gwca_set_rate_limit(priv, priv->gwca.speed);
+
+	iowrite32(GWTPC_PPPL(GWCA_IPV_NUM), priv->addr + GWTPC0);
 
 	for (i = 0; i < RSWITCH_NUM_PORTS; i++) {
 		err = rswitch_rxdmac_init(priv, i);
@@ -1502,7 +1491,8 @@ static netdev_tx_t rswitch_start_xmit(struct sk_buff *skb, struct net_device *nd
 	rswitch_desc_set_dptr(&desc->desc, dma_addr);
 	desc->desc.info_ds = cpu_to_le16(skb->len);
 
-	desc->info1 = cpu_to_le64(INFO1_DV(BIT(rdev->etha->index)) | INFO1_FMT);
+	desc->info1 = cpu_to_le64(INFO1_DV(BIT(rdev->etha->index)) |
+				  INFO1_IPV(GWCA_IPV_NUM) | INFO1_FMT);
 	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
 		struct rswitch_gwca_ts_info *ts_info;
 
@@ -1772,6 +1762,8 @@ static int rswitch_init(struct rswitch_private *priv)
 	if (err < 0)
 		return err;
 
+	rswitch_coma_init(priv);
+
 	err = rswitch_gwca_linkfix_alloc(priv);
 	if (err < 0)
 		return -ENOMEM;
diff --git a/drivers/net/ethernet/renesas/rswitch.h b/drivers/net/ethernet/renesas/rswitch.h
index b3e0411b408e..bb9ed971a97c 100644
--- a/drivers/net/ethernet/renesas/rswitch.h
+++ b/drivers/net/ethernet/renesas/rswitch.h
@@ -48,6 +48,7 @@
 #define GWCA_NUM_IRQS		8
 #define GWCA_INDEX		0
 #define AGENT_INDEX_GWCA	3
+#define GWCA_IPV_NUM		0
 #define GWRO			RSWITCH_GWCA0_OFFSET
 
 #define GWCA_TS_IRQ_RESOURCE_NAME	"gwca0_rxts0"
@@ -768,11 +769,14 @@ enum rswitch_gwca_mode {
 #define GWARIRM_ARR		BIT(1)
 
 #define GWDCC_BALR		BIT(24)
+#define GWDCC_DCP_MASK		GENMASK(18, 16)
+#define GWDCC_DCP(prio)		FIELD_PREP(GWDCC_DCP_MASK, (prio))
 #define GWDCC_DQT		BIT(11)
 #define GWDCC_ETS		BIT(9)
 #define GWDCC_EDE		BIT(8)
 
 #define GWTRC(queue)		(GWTRC0 + (queue) / 32 * 4)
+#define GWTPC_PPPL(ipv)		BIT(ipv)
 #define GWDCC_OFFS(queue)	(GWDCC0 + (queue) * 4)
 
 #define GWDIS(i)		(GWDIS0 + (i) * 0x10)
@@ -789,6 +793,8 @@ enum rswitch_gwca_mode {
 #define CABPIRM_BPIOG		BIT(0)
 #define CABPIRM_BPR		BIT(1)
 
+#define CABPPFLC_INIT_VALUE	0x00800080
+
 /* MFWD */
 #define FWPC0_LTHTA		BIT(0)
 #define FWPC0_IP4UE		BIT(3)
@@ -863,6 +869,7 @@ enum DIE_DT {
 
 /* For transmission */
 #define INFO1_TSUN(val)		((u64)(val) << 8ULL)
+#define INFO1_IPV(prio)		((u64)(prio) << 28ULL)
 #define INFO1_CSD0(index)	((u64)(index) << 32ULL)
 #define INFO1_CSD1(index)	((u64)(index) << 40ULL)
 #define INFO1_DV(port_vector)	((u64)(port_vector) << 48ULL)