diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h
index 86bd93ce2ea30fc66f1c9c63fdf5a5d6209013a2..e739c715356283553f4ace131a251bc4b30d6de2 100644
--- a/drivers/net/ethernet/cavium/thunder/nic.h
+++ b/drivers/net/ethernet/cavium/thunder/nic.h
@@ -149,6 +149,12 @@ struct nicvf_rss_info {
 	u64 key[RSS_HASH_KEY_SIZE];
 } ____cacheline_aligned_in_smp;
 
+struct nicvf_pfc {
+	u8    autoneg;
+	u8    fc_rx;
+	u8    fc_tx;
+};
+
 enum rx_stats_reg_offset {
 	RX_OCTS = 0x0,
 	RX_UCAST = 0x1,
@@ -292,11 +298,13 @@ struct nicvf {
 	u8			node;
 	u8			cpi_alg;
 	bool			link_up;
+	u8			mac_type;
 	u8			duplex;
 	u32			speed;
 	bool			tns_mode;
 	bool			loopback_supported;
 	struct nicvf_rss_info	rss_info;
+	struct nicvf_pfc	pfc;
 	struct tasklet_struct	qs_err_task;
 	struct work_struct	reset_task;
 
@@ -357,6 +365,7 @@ struct nicvf {
 #define	NIC_MBOX_MSG_SNICVF_PTR		0x15	/* Send sqet nicvf ptr to PVF */
 #define	NIC_MBOX_MSG_LOOPBACK		0x16	/* Set interface in loopback */
 #define	NIC_MBOX_MSG_RESET_STAT_COUNTER 0x17	/* Reset statistics counters */
+#define	NIC_MBOX_MSG_PFC		0x18	/* Pause frame control */
 #define	NIC_MBOX_MSG_CFG_DONE		0xF0	/* VF configuration done */
 #define	NIC_MBOX_MSG_SHUTDOWN		0xF1	/* VF is being shutdown */
 
@@ -446,6 +455,7 @@ struct bgx_stats_msg {
 /* Physical interface link status */
 struct bgx_link_status {
 	u8    msg;
+	u8    mac_type;
 	u8    link_up;
 	u8    duplex;
 	u32   speed;
@@ -498,6 +508,14 @@ struct reset_stat_cfg {
 	u16   sq_stat_mask;
 };
 
+struct pfc {
+	u8    msg;
+	u8    get; /* Get or set PFC settings */
+	u8    autoneg;
+	u8    fc_rx;
+	u8    fc_tx;
+};
+
 /* 128 bit shared memory between PF and each VF */
 union nic_mbx {
 	struct { u8 msg; }	msg;
@@ -516,6 +534,7 @@ union nic_mbx {
 	struct nicvf_ptr	nicvf;
 	struct set_loopback	lbk;
 	struct reset_stat_cfg	reset_stat;
+	struct pfc		pfc;
 };
 
 #define NIC_NODE_ID_MASK	0x03
diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c
index 6677b96e1f3f6e033ac985847e3b65b27db17842..767234e2e8f94bb0520bee29e1813f8934cae7a8 100644
--- a/drivers/net/ethernet/cavium/thunder/nic_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nic_main.c
@@ -809,6 +809,15 @@ static int nic_config_loopback(struct nicpf *nic, struct set_loopback *lbk)
 
 	bgx_lmac_internal_loopback(nic->node, bgx_idx, lmac_idx, lbk->enable);
 
+	/* Enable moving average calculation.
+	 * Keep the LVL/AVG delay to HW enforced minimum so that, not too many
+	 * packets sneek in between average calculations.
+	 */
+	nic_reg_write(nic, NIC_PF_CQ_AVG_CFG,
+		      (BIT_ULL(20) | 0x2ull << 14 | 0x1));
+	nic_reg_write(nic, NIC_PF_RRM_AVG_CFG,
+		      (BIT_ULL(20) | 0x3ull << 14 | 0x1));
+
 	return 0;
 }
 
@@ -889,6 +898,30 @@ static void nic_enable_vf(struct nicpf *nic, int vf, bool enable)
 	bgx_lmac_rx_tx_enable(nic->node, bgx, lmac, enable);
 }
 
+static void nic_pause_frame(struct nicpf *nic, int vf, struct pfc *cfg)
+{
+	int bgx, lmac;
+	struct pfc pfc;
+	union nic_mbx mbx = {};
+
+	if (vf >= nic->num_vf_en)
+		return;
+	bgx = NIC_GET_BGX_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
+	lmac = NIC_GET_LMAC_FROM_VF_LMAC_MAP(nic->vf_lmac_map[vf]);
+
+	if (cfg->get) {
+		bgx_lmac_get_pfc(nic->node, bgx, lmac, &pfc);
+		mbx.pfc.msg = NIC_MBOX_MSG_PFC;
+		mbx.pfc.autoneg = pfc.autoneg;
+		mbx.pfc.fc_rx = pfc.fc_rx;
+		mbx.pfc.fc_tx = pfc.fc_tx;
+		nic_send_msg_to_vf(nic, vf, &mbx);
+	} else {
+		bgx_lmac_set_pfc(nic->node, bgx, lmac, cfg);
+		nic_mbx_send_ack(nic, vf);
+	}
+}
+
 /* Interrupt handler to handle mailbox messages from VFs */
 static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
 {
@@ -1028,6 +1061,9 @@ static void nic_handle_mbx_intr(struct nicpf *nic, int vf)
 	case NIC_MBOX_MSG_RESET_STAT_COUNTER:
 		ret = nic_reset_stat_counters(nic, vf, &mbx.reset_stat);
 		break;
+	case NIC_MBOX_MSG_PFC:
+		nic_pause_frame(nic, vf, &mbx.pfc);
+		goto unlock;
 	default:
 		dev_err(&nic->pdev->dev,
 			"Invalid msg from VF%d, msg 0x%x\n", vf, mbx.msg.msg);
@@ -1258,6 +1294,7 @@ static void nic_poll_for_link(struct work_struct *work)
 			mbx.link_status.link_up = link.link_up;
 			mbx.link_status.duplex = link.duplex;
 			mbx.link_status.speed = link.speed;
+			mbx.link_status.mac_type = link.mac_type;
 			nic_send_msg_to_vf(nic, vf, &mbx);
 		}
 	}
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
index 432bf6be57cb2ff596d43ec08f2ff0aa250d4b86..b0482410052d6c2f459d91fea635abe7d03f7cfa 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c
@@ -130,12 +130,42 @@ static int nicvf_get_settings(struct net_device *netdev,
 		return 0;
 	}
 
-	if (nic->speed <= 1000) {
-		cmd->port = PORT_MII;
+	switch (nic->speed) {
+	case SPEED_1000:
+		cmd->port = PORT_MII | PORT_TP;
 		cmd->autoneg = AUTONEG_ENABLE;
-	} else {
+		cmd->supported |= SUPPORTED_MII | SUPPORTED_TP;
+		cmd->supported |= SUPPORTED_1000baseT_Full |
+				  SUPPORTED_1000baseT_Half |
+				  SUPPORTED_100baseT_Full  |
+				  SUPPORTED_100baseT_Half  |
+				  SUPPORTED_10baseT_Full   |
+				  SUPPORTED_10baseT_Half;
+		cmd->supported |= SUPPORTED_Autoneg;
+		cmd->advertising |= ADVERTISED_1000baseT_Full |
+				    ADVERTISED_1000baseT_Half |
+				    ADVERTISED_100baseT_Full  |
+				    ADVERTISED_100baseT_Half  |
+				    ADVERTISED_10baseT_Full   |
+				    ADVERTISED_10baseT_Half;
+		break;
+	case SPEED_10000:
+		if (nic->mac_type == BGX_MODE_RXAUI) {
+			cmd->port = PORT_TP;
+			cmd->supported |= SUPPORTED_TP;
+		} else {
+			cmd->port = PORT_FIBRE;
+			cmd->supported |= SUPPORTED_FIBRE;
+		}
+		cmd->autoneg = AUTONEG_DISABLE;
+		cmd->supported |= SUPPORTED_10000baseT_Full;
+		break;
+	case SPEED_40000:
 		cmd->port = PORT_FIBRE;
 		cmd->autoneg = AUTONEG_DISABLE;
+		cmd->supported |= SUPPORTED_FIBRE;
+		cmd->supported |= SUPPORTED_40000baseCR4_Full;
+		break;
 	}
 	cmd->duplex = nic->duplex;
 	ethtool_cmd_speed_set(cmd, nic->speed);
@@ -690,6 +720,55 @@ static int nicvf_set_channels(struct net_device *dev,
 	return err;
 }
 
+static void nicvf_get_pauseparam(struct net_device *dev,
+				 struct ethtool_pauseparam *pause)
+{
+	struct nicvf *nic = netdev_priv(dev);
+	union nic_mbx mbx = {};
+
+	/* Supported only for 10G/40G interfaces */
+	if ((nic->mac_type == BGX_MODE_SGMII) ||
+	    (nic->mac_type == BGX_MODE_QSGMII) ||
+	    (nic->mac_type == BGX_MODE_RGMII))
+		return;
+
+	mbx.pfc.msg = NIC_MBOX_MSG_PFC;
+	mbx.pfc.get = 1;
+	if (!nicvf_send_msg_to_pf(nic, &mbx)) {
+		pause->autoneg = nic->pfc.autoneg;
+		pause->rx_pause = nic->pfc.fc_rx;
+		pause->tx_pause = nic->pfc.fc_tx;
+	}
+}
+
+static int nicvf_set_pauseparam(struct net_device *dev,
+				struct ethtool_pauseparam *pause)
+{
+	struct nicvf *nic = netdev_priv(dev);
+	union nic_mbx mbx = {};
+
+	/* Supported only for 10G/40G interfaces */
+	if ((nic->mac_type == BGX_MODE_SGMII) ||
+	    (nic->mac_type == BGX_MODE_QSGMII) ||
+	    (nic->mac_type == BGX_MODE_RGMII))
+		return -EOPNOTSUPP;
+
+	if (pause->autoneg)
+		return -EOPNOTSUPP;
+
+	mbx.pfc.msg = NIC_MBOX_MSG_PFC;
+	mbx.pfc.get = 0;
+	mbx.pfc.fc_rx = pause->rx_pause;
+	mbx.pfc.fc_tx = pause->tx_pause;
+	if (nicvf_send_msg_to_pf(nic, &mbx))
+		return -EAGAIN;
+
+	nic->pfc.fc_rx = pause->rx_pause;
+	nic->pfc.fc_tx = pause->tx_pause;
+
+	return 0;
+}
+
 static const struct ethtool_ops nicvf_ethtool_ops = {
 	.get_settings		= nicvf_get_settings,
 	.get_link		= nicvf_get_link,
@@ -711,6 +790,8 @@ static const struct ethtool_ops nicvf_ethtool_ops = {
 	.set_rxfh		= nicvf_set_rxfh,
 	.get_channels		= nicvf_get_channels,
 	.set_channels		= nicvf_set_channels,
+	.get_pauseparam         = nicvf_get_pauseparam,
+	.set_pauseparam         = nicvf_set_pauseparam,
 	.get_ts_info		= ethtool_op_get_ts_info,
 };
 
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 7c2c37388c1240c79712b37ad846d3a0ad6748bf..1eacec85dac3ade1fa74c15d2662709043dccb8c 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -221,6 +221,7 @@ static void  nicvf_handle_mbx_intr(struct nicvf *nic)
 		nic->link_up = mbx.link_status.link_up;
 		nic->duplex = mbx.link_status.duplex;
 		nic->speed = mbx.link_status.speed;
+		nic->mac_type = mbx.link_status.mac_type;
 		if (nic->link_up) {
 			netdev_info(nic->netdev, "%s: Link is Up %d Mbps %s\n",
 				    nic->netdev->name, nic->speed,
@@ -255,6 +256,12 @@ static void  nicvf_handle_mbx_intr(struct nicvf *nic)
 		nic->pnicvf = (struct nicvf *)mbx.nicvf.nicvf;
 		nic->pf_acked = true;
 		break;
+	case NIC_MBOX_MSG_PFC:
+		nic->pfc.autoneg = mbx.pfc.autoneg;
+		nic->pfc.fc_rx = mbx.pfc.fc_rx;
+		nic->pfc.fc_tx = mbx.pfc.fc_tx;
+		nic->pf_acked = true;
+		break;
 	default:
 		netdev_err(nic->netdev,
 			   "Invalid message from PF, msg 0x%x\n", mbx.msg.msg);
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index 747ef08829763db89b8fb1802eab9b47a0eef6b0..7b336cda66e8d380f1aee59102554b5d5c512f97 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -544,14 +544,18 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs,
 	nicvf_send_msg_to_pf(nic, &mbx);
 
 	mbx.rq.msg = NIC_MBOX_MSG_RQ_BP_CFG;
-	mbx.rq.cfg = (1ULL << 63) | (1ULL << 62) | (qs->vnic_id << 0);
+	mbx.rq.cfg = BIT_ULL(63) | BIT_ULL(62) |
+		     (RQ_PASS_RBDR_LVL << 16) | (RQ_PASS_CQ_LVL << 8) |
+		     (qs->vnic_id << 0);
 	nicvf_send_msg_to_pf(nic, &mbx);
 
 	/* RQ drop config
 	 * Enable CQ drop to reserve sufficient CQEs for all tx packets
 	 */
 	mbx.rq.msg = NIC_MBOX_MSG_RQ_DROP_CFG;
-	mbx.rq.cfg = (1ULL << 62) | (RQ_CQ_DROP << 8);
+	mbx.rq.cfg = BIT_ULL(63) | BIT_ULL(62) |
+		     (RQ_PASS_RBDR_LVL << 40) | (RQ_DROP_RBDR_LVL << 32) |
+		     (RQ_PASS_CQ_LVL << 16) | (RQ_DROP_CQ_LVL << 8);
 	nicvf_send_msg_to_pf(nic, &mbx);
 
 	if (!nic->sqs_mode && (qidx == 0)) {
@@ -650,6 +654,7 @@ static void nicvf_snd_queue_config(struct nicvf *nic, struct queue_set *qs,
 	sq_cfg.ldwb = 0;
 	sq_cfg.qsize = SND_QSIZE;
 	sq_cfg.tstmp_bgx_intf = 0;
+	sq_cfg.cq_limit = 0;
 	nicvf_queue_reg_write(nic, NIC_QSET_SQ_0_7_CFG, qidx, *(u64 *)&sq_cfg);
 
 	/* Set threshold value for interrupt generation */
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
index 2e3c940c10933049b81c590d1f0ff72bb79a13f0..20511f2cb1341d2180f3be82b5f9adcc16fc4cbc 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
@@ -85,12 +85,26 @@
 
 #define MAX_CQES_FOR_TX		((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \
 				 MAX_CQE_PER_PKT_XMIT)
-/* Calculate number of CQEs to reserve for all SQEs.
- * Its 1/256th level of CQ size.
- * '+ 1' to account for pipelining
+
+/* RED and Backpressure levels of CQ for pkt reception
+ * For CQ, level is a measure of emptiness i.e 0x0 means full
+ * eg: For CQ of size 4K, and for pass/drop levels of 128/96
+ * HW accepts pkt if unused CQE >= 2048
+ * RED accepts pkt if unused CQE < 2048 & >= 1536
+ * DROPs pkts if unused CQE < 1536
+ */
+#define RQ_PASS_CQ_LVL		128ULL
+#define RQ_DROP_CQ_LVL		96ULL
+
+/* RED and Backpressure levels of RBDR for pkt reception
+ * For RBDR, level is a measure of fullness i.e 0x0 means empty
+ * eg: For RBDR of size 8K, and for pass/drop levels of 4/0
+ * HW accepts pkt if unused RBs >= 256
+ * RED accepts pkt if unused RBs < 256 & >= 0
+ * DROPs pkts if unused RBs < 0
  */
-#define RQ_CQ_DROP		((256 / (CMP_QUEUE_LEN / \
-				 (CMP_QUEUE_LEN - MAX_CQES_FOR_TX))) + 1)
+#define RQ_PASS_RBDR_LVL	8ULL
+#define RQ_DROP_RBDR_LVL	0ULL
 
 /* Descriptor size in bytes */
 #define SND_QUEUE_DESC_SIZE	16
diff --git a/drivers/net/ethernet/cavium/thunder/q_struct.h b/drivers/net/ethernet/cavium/thunder/q_struct.h
index 9e6d9876bfd0488361cc130b90fa7297fb9db0fb..f36347237a5425c7baf48540ad3fa2fd555b882d 100644
--- a/drivers/net/ethernet/cavium/thunder/q_struct.h
+++ b/drivers/net/ethernet/cavium/thunder/q_struct.h
@@ -624,7 +624,9 @@ struct cq_cfg {
 
 struct sq_cfg {
 #if defined(__BIG_ENDIAN_BITFIELD)
-	u64 reserved_20_63:44;
+	u64 reserved_32_63:32;
+	u64 cq_limit:8;
+	u64 reserved_20_23:4;
 	u64 ena:1;
 	u64 reserved_18_18:1;
 	u64 reset:1;
@@ -642,7 +644,9 @@ struct sq_cfg {
 	u64 reset:1;
 	u64 reserved_18_18:1;
 	u64 ena:1;
-	u64 reserved_20_63:44;
+	u64 reserved_20_23:4;
+	u64 cq_limit:8;
+	u64 reserved_32_63:32;
 #endif
 };
 
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index 050e21fbb1471d5fa86f735386d90491660cce43..9211c750e0642660bfdd79bb023f9058a89c18af 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -161,6 +161,7 @@ void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status)
 		return;
 
 	lmac = &bgx->lmac[lmacid];
+	link->mac_type = lmac->lmac_type;
 	link->link_up = lmac->link_up;
 	link->duplex = lmac->last_duplex;
 	link->speed = lmac->last_speed;
@@ -211,6 +212,47 @@ void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable)
 }
 EXPORT_SYMBOL(bgx_lmac_rx_tx_enable);
 
+void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause)
+{
+	struct pfc *pfc = (struct pfc *)pause;
+	struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx];
+	struct lmac *lmac;
+	u64 cfg;
+
+	if (!bgx)
+		return;
+	lmac = &bgx->lmac[lmacid];
+	if (lmac->is_sgmii)
+		return;
+
+	cfg = bgx_reg_read(bgx, lmacid, BGX_SMUX_CBFC_CTL);
+	pfc->fc_rx = cfg & RX_EN;
+	pfc->fc_tx = cfg & TX_EN;
+	pfc->autoneg = 0;
+}
+EXPORT_SYMBOL(bgx_lmac_get_pfc);
+
+void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause)
+{
+	struct pfc *pfc = (struct pfc *)pause;
+	struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx];
+	struct lmac *lmac;
+	u64 cfg;
+
+	if (!bgx)
+		return;
+	lmac = &bgx->lmac[lmacid];
+	if (lmac->is_sgmii)
+		return;
+
+	cfg = bgx_reg_read(bgx, lmacid, BGX_SMUX_CBFC_CTL);
+	cfg &= ~(RX_EN | TX_EN);
+	cfg |= (pfc->fc_rx ? RX_EN : 0x00);
+	cfg |= (pfc->fc_tx ? TX_EN : 0x00);
+	bgx_reg_write(bgx, lmacid, BGX_SMUX_CBFC_CTL, cfg);
+}
+EXPORT_SYMBOL(bgx_lmac_set_pfc);
+
 static void bgx_sgmii_change_link_state(struct lmac *lmac)
 {
 	struct bgx *bgx = lmac->bgx;
@@ -524,6 +566,18 @@ static int bgx_lmac_xaui_init(struct bgx *bgx, struct lmac *lmac)
 	cfg |= SMU_TX_CTL_DIC_EN;
 	bgx_reg_write(bgx, lmacid, BGX_SMUX_TX_CTL, cfg);
 
+	/* Enable receive and transmission of pause frames */
+	bgx_reg_write(bgx, lmacid, BGX_SMUX_CBFC_CTL, ((0xffffULL << 32) |
+		      BCK_EN | DRP_EN | TX_EN | RX_EN));
+	/* Configure pause time and interval */
+	bgx_reg_write(bgx, lmacid,
+		      BGX_SMUX_TX_PAUSE_PKT_TIME, DEFAULT_PAUSE_TIME);
+	cfg = bgx_reg_read(bgx, lmacid, BGX_SMUX_TX_PAUSE_PKT_INTERVAL);
+	cfg &= ~0xFFFFull;
+	bgx_reg_write(bgx, lmacid, BGX_SMUX_TX_PAUSE_PKT_INTERVAL,
+		      cfg | (DEFAULT_PAUSE_TIME - 0x1000));
+	bgx_reg_write(bgx, lmacid, BGX_SMUX_TX_PAUSE_ZERO, 0x01);
+
 	/* take lmac_count into account */
 	bgx_reg_modify(bgx, lmacid, BGX_SMUX_TX_THRESH, (0x100 - 1));
 	/* max packet size */
@@ -970,11 +1024,25 @@ static void bgx_set_lmac_config(struct bgx *bgx, u8 idx)
 		lmac_set_training(bgx, lmac, lmac->lmacid);
 		lmac_set_lane2sds(bgx, lmac);
 
-		/* Set LMAC type of other lmac on same DLM i.e LMAC 1/3 */
 		olmac = &bgx->lmac[idx + 1];
-		olmac->lmac_type = lmac->lmac_type;
+		/*  Check if other LMAC on the same DLM is already configured by
+		 *  firmware, if so use the same config or else set as same, as
+		 *  that of LMAC 0/2.
+		 *  This check is needed as on 80xx only one lane of each of the
+		 *  DLM of BGX0 is used, so have to rely on firmware for
+		 *  distingushing 80xx from 81xx.
+		 */
+		cmr_cfg = bgx_reg_read(bgx, idx + 1, BGX_CMRX_CFG);
+		lmac_type = (u8)((cmr_cfg >> 8) & 0x07);
+		lane_to_sds = (u8)(cmr_cfg & 0xFF);
+		if ((lmac_type == 0) && (lane_to_sds == 0xE4)) {
+			olmac->lmac_type = lmac->lmac_type;
+			lmac_set_lane2sds(bgx, olmac);
+		} else {
+			olmac->lmac_type = lmac_type;
+			olmac->lane_to_sds = lane_to_sds;
+		}
 		lmac_set_training(bgx, olmac, olmac->lmacid);
-		lmac_set_lane2sds(bgx, olmac);
 	}
 }
 
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
index 01cc7c8591313fca033a7e791bc57ccd9adb776b..c18ebfeb203919ea9b16e406bb678bd05a98a656 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h
@@ -27,6 +27,7 @@
 #define    MAX_BGX_CHANS_PER_LMAC		16
 #define    MAX_DMAC_PER_LMAC			8
 #define    MAX_FRAME_SIZE			9216
+#define    DEFAULT_PAUSE_TIME			0xFFFF
 
 #define	   BGX_ID_MASK				0x3
 
@@ -126,7 +127,10 @@
 #define  SMU_RX_CTL_STATUS			(3ull << 0)
 #define BGX_SMUX_TX_APPEND		0x20100
 #define  SMU_TX_APPEND_FCS_D			BIT_ULL(2)
+#define BGX_SMUX_TX_PAUSE_PKT_TIME	0x20110
 #define BGX_SMUX_TX_MIN_PKT		0x20118
+#define BGX_SMUX_TX_PAUSE_PKT_INTERVAL	0x20120
+#define BGX_SMUX_TX_PAUSE_ZERO		0x20138
 #define BGX_SMUX_TX_INT			0x20140
 #define BGX_SMUX_TX_CTL			0x20178
 #define  SMU_TX_CTL_DIC_EN			BIT_ULL(0)
@@ -136,6 +140,11 @@
 #define BGX_SMUX_CTL			0x20200
 #define  SMU_CTL_RX_IDLE			BIT_ULL(0)
 #define  SMU_CTL_TX_IDLE			BIT_ULL(1)
+#define	BGX_SMUX_CBFC_CTL		0x20218
+#define	RX_EN					BIT_ULL(0)
+#define	TX_EN					BIT_ULL(1)
+#define	BCK_EN					BIT_ULL(2)
+#define	DRP_EN					BIT_ULL(3)
 
 #define BGX_GMP_PCS_MRX_CTL		0x30000
 #define	 PCS_MRX_CTL_RST_AN			BIT_ULL(9)
@@ -207,6 +216,9 @@ void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac);
 void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status);
 void bgx_lmac_internal_loopback(int node, int bgx_idx,
 				int lmac_idx, bool enable);
+void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause);
+void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause);
+
 void xcv_init_hw(void);
 void xcv_setup_link(bool link_up, int link_speed);