diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
index d463dc72d80a..73fdb8798614 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/Makefile
@@ -13,5 +13,6 @@ rvu_nicvf-y := otx2_vf.o otx2_devlink.o
 
 rvu_nicpf-$(CONFIG_DCB) += otx2_dcbnl.o
 rvu_nicvf-$(CONFIG_DCB) += otx2_dcbnl.o
+rvu_nicpf-$(CONFIG_MACSEC) += cn10k_macsec.o
 
 ccflags-y += -I$(srctree)/drivers/net/ethernet/marvell/octeontx2/af
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c
new file mode 100644
index 000000000000..64f3acd7f67b
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c
@@ -0,0 +1,1668 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell MACSEC hardware offload driver
+ *
+ * Copyright (C) 2022 Marvell.
+ */
+
+#include <linux/rtnetlink.h>
+#include <linux/bitfield.h>
+#include <net/macsec.h>
+#include "otx2_common.h"
+
+#define MCS_TCAM0_MAC_SA_MASK		GENMASK_ULL(63, 48)
+#define MCS_TCAM1_MAC_SA_MASK		GENMASK_ULL(31, 0)
+#define MCS_TCAM1_ETYPE_MASK		GENMASK_ULL(47, 32)
+
+#define MCS_SA_MAP_MEM_SA_USE		BIT_ULL(9)
+
+#define MCS_RX_SECY_PLCY_RW_MASK	GENMASK_ULL(49, 18)
+#define MCS_RX_SECY_PLCY_RP		BIT_ULL(17)
+#define MCS_RX_SECY_PLCY_AUTH_ENA	BIT_ULL(16)
+#define MCS_RX_SECY_PLCY_CIP		GENMASK_ULL(8, 5)
+#define MCS_RX_SECY_PLCY_VAL		GENMASK_ULL(2, 1)
+#define MCS_RX_SECY_PLCY_ENA		BIT_ULL(0)
+
+#define MCS_TX_SECY_PLCY_MTU		GENMASK_ULL(43, 28)
+#define MCS_TX_SECY_PLCY_ST_TCI		GENMASK_ULL(27, 22)
+#define MCS_TX_SECY_PLCY_ST_OFFSET	GENMASK_ULL(21, 15)
+#define MCS_TX_SECY_PLCY_INS_MODE	BIT_ULL(14)
+#define MCS_TX_SECY_PLCY_AUTH_ENA	BIT_ULL(13)
+#define MCS_TX_SECY_PLCY_CIP		GENMASK_ULL(5, 2)
+#define MCS_TX_SECY_PLCY_PROTECT	BIT_ULL(1)
+#define MCS_TX_SECY_PLCY_ENA		BIT_ULL(0)
+
+#define MCS_GCM_AES_128			0
+#define MCS_GCM_AES_256			1
+#define MCS_GCM_AES_XPN_128		2
+#define MCS_GCM_AES_XPN_256		3
+
+#define MCS_TCI_ES			0x40 /* end station */
+#define MCS_TCI_SC			0x20 /* SCI present */
+#define MCS_TCI_SCB			0x10 /* epon */
+#define MCS_TCI_E			0x08 /* encryption */
+#define MCS_TCI_C			0x04 /* changed text */
+
+static struct cn10k_mcs_txsc *cn10k_mcs_get_txsc(struct cn10k_mcs_cfg *cfg,
+						 struct macsec_secy *secy)
+{
+	struct cn10k_mcs_txsc *txsc;
+
+	list_for_each_entry(txsc, &cfg->txsc_list, entry) {
+		if (txsc->sw_secy == secy)
+			return txsc;
+	}
+
+	return NULL;
+}
+
+static struct cn10k_mcs_rxsc *cn10k_mcs_get_rxsc(struct cn10k_mcs_cfg *cfg,
+						 struct macsec_secy *secy,
+						 struct macsec_rx_sc *rx_sc)
+{
+	struct cn10k_mcs_rxsc *rxsc;
+
+	list_for_each_entry(rxsc, &cfg->rxsc_list, entry) {
+		if (rxsc->sw_rxsc == rx_sc && rxsc->sw_secy == secy)
+			return rxsc;
+	}
+
+	return NULL;
+}
+
+static const char *rsrc_name(enum mcs_rsrc_type rsrc_type)
+{
+	switch (rsrc_type) {
+	case MCS_RSRC_TYPE_FLOWID:
+		return "FLOW";
+	case MCS_RSRC_TYPE_SC:
+		return "SC";
+	case MCS_RSRC_TYPE_SECY:
+		return "SECY";
+	case MCS_RSRC_TYPE_SA:
+		return "SA";
+	default:
+		return "Unknown";
+	};
+
+	return "Unknown";
+}
+
+static int cn10k_mcs_alloc_rsrc(struct otx2_nic *pfvf, enum mcs_direction dir,
+				enum mcs_rsrc_type type, u16 *rsrc_id)
+{
+	struct mbox *mbox = &pfvf->mbox;
+	struct mcs_alloc_rsrc_req *req;
+	struct mcs_alloc_rsrc_rsp *rsp;
+	int ret = -ENOMEM;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_alloc_resources(mbox);
+	if (!req)
+		goto fail;
+
+	req->rsrc_type = type;
+	req->rsrc_cnt  = 1;
+	req->dir = dir;
+
+	ret = otx2_sync_mbox_msg(mbox);
+	if (ret)
+		goto fail;
+
+	rsp = (struct mcs_alloc_rsrc_rsp *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+							     0, &req->hdr);
+	if (IS_ERR(rsp) || req->rsrc_cnt != rsp->rsrc_cnt ||
+	    req->rsrc_type != rsp->rsrc_type || req->dir != rsp->dir) {
+		ret = -EINVAL;
+		goto fail;
+	}
+
+	switch (rsp->rsrc_type) {
+	case MCS_RSRC_TYPE_FLOWID:
+		*rsrc_id = rsp->flow_ids[0];
+		break;
+	case MCS_RSRC_TYPE_SC:
+		*rsrc_id = rsp->sc_ids[0];
+		break;
+	case MCS_RSRC_TYPE_SECY:
+		*rsrc_id = rsp->secy_ids[0];
+		break;
+	case MCS_RSRC_TYPE_SA:
+		*rsrc_id = rsp->sa_ids[0];
+		break;
+	default:
+		ret = -EINVAL;
+		goto fail;
+	};
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	dev_err(pfvf->dev, "Failed to allocate %s %s resource\n",
+		dir == MCS_TX ? "TX" : "RX", rsrc_name(type));
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static void cn10k_mcs_free_rsrc(struct otx2_nic *pfvf, enum mcs_direction dir,
+				enum mcs_rsrc_type type, u16 hw_rsrc_id,
+				bool all)
+{
+	struct mbox *mbox = &pfvf->mbox;
+	struct mcs_free_rsrc_req *req;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_free_resources(mbox);
+	if (!req)
+		goto fail;
+
+	req->rsrc_id = hw_rsrc_id;
+	req->rsrc_type = type;
+	req->dir = dir;
+	if (all)
+		req->all = 1;
+
+	if (otx2_sync_mbox_msg(&pfvf->mbox))
+		goto fail;
+
+	mutex_unlock(&mbox->lock);
+
+	return;
+fail:
+	dev_err(pfvf->dev, "Failed to free %s %s resource\n",
+		dir == MCS_TX ? "TX" : "RX", rsrc_name(type));
+	mutex_unlock(&mbox->lock);
+}
+
+static int cn10k_mcs_alloc_txsa(struct otx2_nic *pfvf, u16 *hw_sa_id)
+{
+	return cn10k_mcs_alloc_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SA, hw_sa_id);
+}
+
+static int cn10k_mcs_alloc_rxsa(struct otx2_nic *pfvf, u16 *hw_sa_id)
+{
+	return cn10k_mcs_alloc_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SA, hw_sa_id);
+}
+
+static void cn10k_mcs_free_txsa(struct otx2_nic *pfvf, u16 hw_sa_id)
+{
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SA, hw_sa_id, false);
+}
+
+static void cn10k_mcs_free_rxsa(struct otx2_nic *pfvf, u16 hw_sa_id)
+{
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SA, hw_sa_id, false);
+}
+
+static int cn10k_mcs_write_rx_secy(struct otx2_nic *pfvf,
+				   struct macsec_secy *secy, u8 hw_secy_id)
+{
+	struct mcs_secy_plcy_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	u64 policy;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_secy_plcy_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	policy = FIELD_PREP(MCS_RX_SECY_PLCY_RW_MASK, secy->replay_window);
+	if (secy->replay_protect)
+		policy |= MCS_RX_SECY_PLCY_RP;
+
+	policy |= MCS_RX_SECY_PLCY_AUTH_ENA;
+	policy |= FIELD_PREP(MCS_RX_SECY_PLCY_CIP, MCS_GCM_AES_128);
+	policy |= FIELD_PREP(MCS_RX_SECY_PLCY_VAL, secy->validate_frames);
+
+	policy |= MCS_RX_SECY_PLCY_ENA;
+
+	req->plcy = policy;
+	req->secy_id = hw_secy_id;
+	req->dir = MCS_RX;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_rx_flowid(struct otx2_nic *pfvf,
+				     struct cn10k_mcs_rxsc *rxsc, u8 hw_secy_id)
+{
+	struct macsec_rx_sc *sw_rx_sc = rxsc->sw_rxsc;
+	struct mcs_flowid_entry_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_flowid_entry_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->data[1] = FIELD_PREP(MCS_TCAM1_ETYPE_MASK, ETH_P_MACSEC);
+	req->mask[1] = ~0ULL;
+	req->mask[1] &= ~MCS_TCAM1_ETYPE_MASK;
+
+	req->mask[0] = ~0ULL;
+	req->mask[2] = ~0ULL;
+	req->mask[3] = ~0ULL;
+
+	req->flow_id = rxsc->hw_flow_id;
+	req->secy_id = hw_secy_id;
+	req->sc_id = rxsc->hw_sc_id;
+	req->dir = MCS_RX;
+
+	if (sw_rx_sc->active)
+		req->ena = 1;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_sc_cam(struct otx2_nic *pfvf,
+				  struct cn10k_mcs_rxsc *rxsc, u8 hw_secy_id)
+{
+	struct macsec_rx_sc *sw_rx_sc = rxsc->sw_rxsc;
+	struct mcs_rx_sc_cam_write_req *sc_req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	sc_req = otx2_mbox_alloc_msg_mcs_rx_sc_cam_write(mbox);
+	if (!sc_req) {
+		return -ENOMEM;
+		goto fail;
+	}
+
+	sc_req->sci = (__force u64)cpu_to_be64((__force u64)sw_rx_sc->sci);
+	sc_req->sc_id = rxsc->hw_sc_id;
+	sc_req->secy_id = hw_secy_id;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_rx_sa_plcy(struct otx2_nic *pfvf,
+				      struct macsec_secy *secy,
+				      struct cn10k_mcs_rxsc *rxsc,
+				      u8 assoc_num, bool sa_in_use)
+{
+	unsigned char *src = rxsc->sa_key[assoc_num];
+	struct mcs_sa_plcy_write_req *plcy_req;
+	struct mcs_rx_sc_sa_map *map_req;
+	struct mbox *mbox = &pfvf->mbox;
+	u8 reg, key_len;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	plcy_req = otx2_mbox_alloc_msg_mcs_sa_plcy_write(mbox);
+	if (!plcy_req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	map_req = otx2_mbox_alloc_msg_mcs_rx_sc_sa_map_write(mbox);
+	if (!map_req) {
+		otx2_mbox_reset(&mbox->mbox, 0);
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	for (reg = 0, key_len = 0; key_len < secy->key_len; key_len += 8) {
+		memcpy((u8 *)&plcy_req->plcy[0][reg],
+		       (src + reg * 8), 8);
+		reg++;
+	}
+
+	plcy_req->sa_index[0] = rxsc->hw_sa_id[assoc_num];
+	plcy_req->sa_cnt = 1;
+	plcy_req->dir = MCS_RX;
+
+	map_req->sa_index = rxsc->hw_sa_id[assoc_num];
+	map_req->sa_in_use = sa_in_use;
+	map_req->sc_id = rxsc->hw_sc_id;
+	map_req->an = assoc_num;
+
+	/* Send two messages together */
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_rx_sa_pn(struct otx2_nic *pfvf,
+				    struct cn10k_mcs_rxsc *rxsc,
+				    u8 assoc_num, u64 next_pn)
+{
+	struct mcs_pn_table_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_pn_table_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->pn_id = rxsc->hw_sa_id[assoc_num];
+	req->next_pn = next_pn;
+	req->dir = MCS_RX;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_tx_secy(struct otx2_nic *pfvf,
+				   struct macsec_secy *secy,
+				   struct cn10k_mcs_txsc *txsc)
+{
+	struct mcs_secy_plcy_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	struct macsec_tx_sc *sw_tx_sc;
+	/* Insert SecTag after 12 bytes (DA+SA)*/
+	u8 tag_offset = 12;
+	u8 sectag_tci = 0;
+	u64 policy;
+	int ret;
+
+	sw_tx_sc = &secy->tx_sc;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_secy_plcy_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	if (sw_tx_sc->send_sci) {
+		sectag_tci |= MCS_TCI_SC;
+	} else {
+		if (sw_tx_sc->end_station)
+			sectag_tci |= MCS_TCI_ES;
+		if (sw_tx_sc->scb)
+			sectag_tci |= MCS_TCI_SCB;
+	}
+
+	if (sw_tx_sc->encrypt)
+		sectag_tci |= (MCS_TCI_E | MCS_TCI_C);
+
+	policy = FIELD_PREP(MCS_TX_SECY_PLCY_MTU, secy->netdev->mtu);
+	/* Write SecTag excluding AN bits(1..0) */
+	policy |= FIELD_PREP(MCS_TX_SECY_PLCY_ST_TCI, sectag_tci >> 2);
+	policy |= FIELD_PREP(MCS_TX_SECY_PLCY_ST_OFFSET, tag_offset);
+	policy |= MCS_TX_SECY_PLCY_INS_MODE;
+	policy |= MCS_TX_SECY_PLCY_AUTH_ENA;
+	policy |= FIELD_PREP(MCS_TX_SECY_PLCY_CIP, MCS_GCM_AES_128);
+
+	if (secy->protect_frames)
+		policy |= MCS_TX_SECY_PLCY_PROTECT;
+
+	/* If the encodingsa does not exist/active and protect is
+	 * not set then frames can be sent out as it is. Hence enable
+	 * the policy irrespective of secy operational when !protect.
+	 */
+	if (!secy->protect_frames || secy->operational)
+		policy |= MCS_TX_SECY_PLCY_ENA;
+
+	req->plcy = policy;
+	req->secy_id = txsc->hw_secy_id_tx;
+	req->dir = MCS_TX;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_tx_flowid(struct otx2_nic *pfvf,
+				     struct macsec_secy *secy,
+				     struct cn10k_mcs_txsc *txsc)
+{
+	struct mcs_flowid_entry_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	u64 mac_sa;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_flowid_entry_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	mac_sa = ether_addr_to_u64(secy->netdev->dev_addr);
+
+	req->data[0] = FIELD_PREP(MCS_TCAM0_MAC_SA_MASK, mac_sa);
+	req->data[1] = FIELD_PREP(MCS_TCAM1_MAC_SA_MASK, mac_sa >> 16);
+
+	req->mask[0] = ~0ULL;
+	req->mask[0] &= ~MCS_TCAM0_MAC_SA_MASK;
+
+	req->mask[1] = ~0ULL;
+	req->mask[1] &= ~MCS_TCAM1_MAC_SA_MASK;
+
+	req->mask[2] = ~0ULL;
+	req->mask[3] = ~0ULL;
+
+	req->flow_id = txsc->hw_flow_id;
+	req->secy_id = txsc->hw_secy_id_tx;
+	req->sc_id = txsc->hw_sc_id;
+	req->sci = (__force u64)cpu_to_be64((__force u64)secy->sci);
+	req->dir = MCS_TX;
+	/* This can be enabled since stack xmits packets only when interface is up */
+	req->ena = 1;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_link_tx_sa2sc(struct otx2_nic *pfvf,
+				   struct macsec_secy *secy,
+				   struct cn10k_mcs_txsc *txsc,
+				   u8 sa_num, bool sa_active)
+{
+	struct mcs_tx_sc_sa_map *map_req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	/* Link the encoding_sa only to SC out of all SAs */
+	if (txsc->encoding_sa != sa_num)
+		return 0;
+
+	mutex_lock(&mbox->lock);
+
+	map_req = otx2_mbox_alloc_msg_mcs_tx_sc_sa_map_write(mbox);
+	if (!map_req) {
+		otx2_mbox_reset(&mbox->mbox, 0);
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	map_req->sa_index0 = txsc->hw_sa_id[sa_num];
+	map_req->sa_index0_vld = sa_active;
+	map_req->sectag_sci = (__force u64)cpu_to_be64((__force u64)secy->sci);
+	map_req->sc_id = txsc->hw_sc_id;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_write_tx_sa_plcy(struct otx2_nic *pfvf,
+				      struct macsec_secy *secy,
+				      struct cn10k_mcs_txsc *txsc,
+				      u8 assoc_num)
+{
+	unsigned char *src = txsc->sa_key[assoc_num];
+	struct mcs_sa_plcy_write_req *plcy_req;
+	struct mbox *mbox = &pfvf->mbox;
+	u8 reg, key_len;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	plcy_req = otx2_mbox_alloc_msg_mcs_sa_plcy_write(mbox);
+	if (!plcy_req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	for (reg = 0, key_len = 0; key_len < secy->key_len; key_len += 8) {
+		memcpy((u8 *)&plcy_req->plcy[0][reg], (src + reg * 8), 8);
+		reg++;
+	}
+
+	plcy_req->plcy[0][8] = assoc_num;
+	plcy_req->sa_index[0] = txsc->hw_sa_id[assoc_num];
+	plcy_req->sa_cnt = 1;
+	plcy_req->dir = MCS_TX;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_write_tx_sa_pn(struct otx2_nic *pfvf,
+				struct cn10k_mcs_txsc *txsc,
+				u8 assoc_num, u64 next_pn)
+{
+	struct mcs_pn_table_write_req *req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_pn_table_write(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->pn_id = txsc->hw_sa_id[assoc_num];
+	req->next_pn = next_pn;
+	req->dir = MCS_TX;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_ena_dis_flowid(struct otx2_nic *pfvf, u16 hw_flow_id,
+				    bool enable, enum mcs_direction dir)
+{
+	struct mcs_flowid_ena_dis_entry *req;
+	struct mbox *mbox = &pfvf->mbox;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_flowid_ena_entry(mbox);
+	if (!req) {
+		return -ENOMEM;
+		goto fail;
+	}
+
+	req->flow_id = hw_flow_id;
+	req->ena = enable;
+	req->dir = dir;
+
+	ret = otx2_sync_mbox_msg(mbox);
+
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_sa_stats(struct otx2_nic *pfvf, u8 hw_sa_id,
+			      struct mcs_sa_stats *rsp_p,
+			      enum mcs_direction dir, bool clear)
+{
+	struct mcs_clear_stats *clear_req;
+	struct mbox *mbox = &pfvf->mbox;
+	struct mcs_stats_req *req;
+	struct mcs_sa_stats *rsp;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_get_sa_stats(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->id = hw_sa_id;
+	req->dir = dir;
+
+	if (!clear)
+		goto send_msg;
+
+	clear_req = otx2_mbox_alloc_msg_mcs_clear_stats(mbox);
+	if (!clear_req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+	clear_req->id = hw_sa_id;
+	clear_req->dir = dir;
+	clear_req->type = MCS_RSRC_TYPE_SA;
+
+send_msg:
+	ret = otx2_sync_mbox_msg(mbox);
+	if (ret)
+		goto fail;
+
+	rsp = (struct mcs_sa_stats *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+						       0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		ret = PTR_ERR(rsp);
+		goto fail;
+	}
+
+	memcpy(rsp_p, rsp, sizeof(*rsp_p));
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_sc_stats(struct otx2_nic *pfvf, u8 hw_sc_id,
+			      struct mcs_sc_stats *rsp_p,
+			      enum mcs_direction dir, bool clear)
+{
+	struct mcs_clear_stats *clear_req;
+	struct mbox *mbox = &pfvf->mbox;
+	struct mcs_stats_req *req;
+	struct mcs_sc_stats *rsp;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_get_sc_stats(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->id = hw_sc_id;
+	req->dir = dir;
+
+	if (!clear)
+		goto send_msg;
+
+	clear_req = otx2_mbox_alloc_msg_mcs_clear_stats(mbox);
+	if (!clear_req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+	clear_req->id = hw_sc_id;
+	clear_req->dir = dir;
+	clear_req->type = MCS_RSRC_TYPE_SC;
+
+send_msg:
+	ret = otx2_sync_mbox_msg(mbox);
+	if (ret)
+		goto fail;
+
+	rsp = (struct mcs_sc_stats *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+						       0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		ret = PTR_ERR(rsp);
+		goto fail;
+	}
+
+	memcpy(rsp_p, rsp, sizeof(*rsp_p));
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static int cn10k_mcs_secy_stats(struct otx2_nic *pfvf, u8 hw_secy_id,
+				struct mcs_secy_stats *rsp_p,
+				enum mcs_direction dir, bool clear)
+{
+	struct mcs_clear_stats *clear_req;
+	struct mbox *mbox = &pfvf->mbox;
+	struct mcs_secy_stats *rsp;
+	struct mcs_stats_req *req;
+	int ret;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_get_secy_stats(mbox);
+	if (!req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+
+	req->id = hw_secy_id;
+	req->dir = dir;
+
+	if (!clear)
+		goto send_msg;
+
+	clear_req = otx2_mbox_alloc_msg_mcs_clear_stats(mbox);
+	if (!clear_req) {
+		ret = -ENOMEM;
+		goto fail;
+	}
+	clear_req->id = hw_secy_id;
+	clear_req->dir = dir;
+	clear_req->type = MCS_RSRC_TYPE_SECY;
+
+send_msg:
+	ret = otx2_sync_mbox_msg(mbox);
+	if (ret)
+		goto fail;
+
+	rsp = (struct mcs_secy_stats *)otx2_mbox_get_rsp(&pfvf->mbox.mbox,
+							 0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		ret = PTR_ERR(rsp);
+		goto fail;
+	}
+
+	memcpy(rsp_p, rsp, sizeof(*rsp_p));
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	mutex_unlock(&mbox->lock);
+	return ret;
+}
+
+static struct cn10k_mcs_txsc *cn10k_mcs_create_txsc(struct otx2_nic *pfvf)
+{
+	struct cn10k_mcs_txsc *txsc;
+	int ret;
+
+	txsc = kzalloc(sizeof(*txsc), GFP_KERNEL);
+	if (!txsc)
+		return ERR_PTR(-ENOMEM);
+
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_FLOWID,
+				   &txsc->hw_flow_id);
+	if (ret)
+		goto fail;
+
+	/* For a SecY, one TX secy and one RX secy HW resources are needed */
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SECY,
+				   &txsc->hw_secy_id_tx);
+	if (ret)
+		goto free_flowid;
+
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SECY,
+				   &txsc->hw_secy_id_rx);
+	if (ret)
+		goto free_tx_secy;
+
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SC,
+				   &txsc->hw_sc_id);
+	if (ret)
+		goto free_rx_secy;
+
+	return txsc;
+free_rx_secy:
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SECY,
+			    txsc->hw_secy_id_rx, false);
+free_tx_secy:
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SECY,
+			    txsc->hw_secy_id_tx, false);
+free_flowid:
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_FLOWID,
+			    txsc->hw_flow_id, false);
+fail:
+	return ERR_PTR(ret);
+}
+
+/* Free Tx SC and its SAs(if any) resources to AF
+ */
+static void cn10k_mcs_delete_txsc(struct otx2_nic *pfvf,
+				  struct cn10k_mcs_txsc *txsc)
+{
+	u8 sa_bmap = txsc->sa_bmap;
+	u8 sa_num = 0;
+
+	while (sa_bmap) {
+		if (sa_bmap & 1) {
+			cn10k_mcs_write_tx_sa_plcy(pfvf, txsc->sw_secy,
+						   txsc, sa_num);
+			cn10k_mcs_free_txsa(pfvf, txsc->hw_sa_id[sa_num]);
+		}
+		sa_num++;
+		sa_bmap >>= 1;
+	}
+
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SC,
+			    txsc->hw_sc_id, false);
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SECY,
+			    txsc->hw_secy_id_rx, false);
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SECY,
+			    txsc->hw_secy_id_tx, false);
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_FLOWID,
+			    txsc->hw_flow_id, false);
+}
+
+static struct cn10k_mcs_rxsc *cn10k_mcs_create_rxsc(struct otx2_nic *pfvf)
+{
+	struct cn10k_mcs_rxsc *rxsc;
+	int ret;
+
+	rxsc = kzalloc(sizeof(*rxsc), GFP_KERNEL);
+	if (!rxsc)
+		return ERR_PTR(-ENOMEM);
+
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_FLOWID,
+				   &rxsc->hw_flow_id);
+	if (ret)
+		goto fail;
+
+	ret = cn10k_mcs_alloc_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SC,
+				   &rxsc->hw_sc_id);
+	if (ret)
+		goto free_flowid;
+
+	return rxsc;
+free_flowid:
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_FLOWID,
+			    rxsc->hw_flow_id, false);
+fail:
+	return ERR_PTR(ret);
+}
+
+/* Free Rx SC and its SAs(if any) resources to AF
+ */
+static void cn10k_mcs_delete_rxsc(struct otx2_nic *pfvf,
+				  struct cn10k_mcs_rxsc *rxsc)
+{
+	u8 sa_bmap = rxsc->sa_bmap;
+	u8 sa_num = 0;
+
+	while (sa_bmap) {
+		if (sa_bmap & 1) {
+			cn10k_mcs_write_rx_sa_plcy(pfvf, rxsc->sw_secy, rxsc,
+						   sa_num, false);
+			cn10k_mcs_free_rxsa(pfvf, rxsc->hw_sa_id[sa_num]);
+		}
+		sa_num++;
+		sa_bmap >>= 1;
+	}
+
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SC,
+			    rxsc->hw_sc_id, false);
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_FLOWID,
+			    rxsc->hw_flow_id, false);
+}
+
+static int cn10k_mcs_secy_tx_cfg(struct otx2_nic *pfvf, struct macsec_secy *secy,
+				 struct cn10k_mcs_txsc *txsc,
+				 struct macsec_tx_sa *sw_tx_sa, u8 sa_num)
+{
+	if (sw_tx_sa) {
+		cn10k_mcs_write_tx_sa_plcy(pfvf, secy, txsc, sa_num);
+		cn10k_write_tx_sa_pn(pfvf, txsc, sa_num,
+				     sw_tx_sa->next_pn_halves.lower);
+		cn10k_mcs_link_tx_sa2sc(pfvf, secy, txsc, sa_num,
+					sw_tx_sa->active);
+	}
+
+	cn10k_mcs_write_tx_secy(pfvf, secy, txsc);
+	cn10k_mcs_write_tx_flowid(pfvf, secy, txsc);
+	/* When updating secy, change RX secy also */
+	cn10k_mcs_write_rx_secy(pfvf, secy, txsc->hw_secy_id_rx);
+
+	return 0;
+}
+
+static int cn10k_mcs_secy_rx_cfg(struct otx2_nic *pfvf,
+				 struct macsec_secy *secy, u8 hw_secy_id)
+{
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct cn10k_mcs_rxsc *mcs_rx_sc;
+	struct macsec_rx_sc *sw_rx_sc;
+	struct macsec_rx_sa *sw_rx_sa;
+	u8 sa_num;
+
+	for (sw_rx_sc = rcu_dereference_bh(secy->rx_sc); sw_rx_sc && sw_rx_sc->active;
+	     sw_rx_sc = rcu_dereference_bh(sw_rx_sc->next)) {
+		mcs_rx_sc = cn10k_mcs_get_rxsc(cfg, secy, sw_rx_sc);
+		if (unlikely(!mcs_rx_sc))
+			continue;
+
+		for (sa_num = 0; sa_num < CN10K_MCS_SA_PER_SC; sa_num++) {
+			sw_rx_sa = rcu_dereference_bh(sw_rx_sc->sa[sa_num]);
+			if (!sw_rx_sa)
+				continue;
+
+			cn10k_mcs_write_rx_sa_plcy(pfvf, secy, mcs_rx_sc,
+						   sa_num, sw_rx_sa->active);
+			cn10k_mcs_write_rx_sa_pn(pfvf, mcs_rx_sc, sa_num,
+						 sw_rx_sa->next_pn_halves.lower);
+		}
+
+		cn10k_mcs_write_rx_flowid(pfvf, mcs_rx_sc, hw_secy_id);
+		cn10k_mcs_write_sc_cam(pfvf, mcs_rx_sc, hw_secy_id);
+	}
+
+	return 0;
+}
+
+static int cn10k_mcs_disable_rxscs(struct otx2_nic *pfvf,
+				   struct macsec_secy *secy,
+				   bool delete)
+{
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct cn10k_mcs_rxsc *mcs_rx_sc;
+	struct macsec_rx_sc *sw_rx_sc;
+	int ret;
+
+	for (sw_rx_sc = rcu_dereference_bh(secy->rx_sc); sw_rx_sc && sw_rx_sc->active;
+	     sw_rx_sc = rcu_dereference_bh(sw_rx_sc->next)) {
+		mcs_rx_sc = cn10k_mcs_get_rxsc(cfg, secy, sw_rx_sc);
+		if (unlikely(!mcs_rx_sc))
+			continue;
+
+		ret = cn10k_mcs_ena_dis_flowid(pfvf, mcs_rx_sc->hw_flow_id,
+					       false, MCS_RX);
+		if (ret)
+			dev_err(pfvf->dev, "Failed to disable TCAM for SC %d\n",
+				mcs_rx_sc->hw_sc_id);
+		if (delete) {
+			cn10k_mcs_delete_rxsc(pfvf, mcs_rx_sc);
+			list_del(&mcs_rx_sc->entry);
+			kfree(mcs_rx_sc);
+		}
+	}
+
+	return 0;
+}
+
+static void cn10k_mcs_sync_stats(struct otx2_nic *pfvf, struct macsec_secy *secy,
+				 struct cn10k_mcs_txsc *txsc)
+{
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct mcs_secy_stats rx_rsp = { 0 };
+	struct mcs_sc_stats sc_rsp = { 0 };
+	struct cn10k_mcs_rxsc *rxsc;
+
+	/* Because of shared counters for some stats in the hardware, when
+	 * updating secy policy take a snapshot of current stats and reset them.
+	 * Below are the effected stats because of shared counters.
+	 */
+
+	/* Check if sync is really needed */
+	if (secy->validate_frames == txsc->last_validate_frames &&
+	    secy->protect_frames == txsc->last_protect_frames)
+		return;
+
+	cn10k_mcs_secy_stats(pfvf, txsc->hw_secy_id_rx, &rx_rsp, MCS_RX, true);
+
+	txsc->stats.InPktsBadTag += rx_rsp.pkt_badtag_cnt;
+	txsc->stats.InPktsUnknownSCI += rx_rsp.pkt_nosa_cnt;
+	txsc->stats.InPktsNoSCI += rx_rsp.pkt_nosaerror_cnt;
+	if (txsc->last_validate_frames == MACSEC_VALIDATE_STRICT)
+		txsc->stats.InPktsNoTag += rx_rsp.pkt_untaged_cnt;
+	else
+		txsc->stats.InPktsUntagged += rx_rsp.pkt_untaged_cnt;
+
+	list_for_each_entry(rxsc, &cfg->rxsc_list, entry) {
+		cn10k_mcs_sc_stats(pfvf, rxsc->hw_sc_id, &sc_rsp, MCS_RX, true);
+
+		rxsc->stats.InOctetsValidated += sc_rsp.octet_validate_cnt;
+		rxsc->stats.InOctetsDecrypted += sc_rsp.octet_decrypt_cnt;
+
+		rxsc->stats.InPktsInvalid += sc_rsp.pkt_invalid_cnt;
+		rxsc->stats.InPktsNotValid += sc_rsp.pkt_notvalid_cnt;
+
+		if (txsc->last_protect_frames)
+			rxsc->stats.InPktsLate += sc_rsp.pkt_late_cnt;
+		else
+			rxsc->stats.InPktsDelayed += sc_rsp.pkt_late_cnt;
+
+		if (txsc->last_validate_frames == MACSEC_VALIDATE_CHECK)
+			rxsc->stats.InPktsUnchecked += sc_rsp.pkt_unchecked_cnt;
+		else
+			rxsc->stats.InPktsOK += sc_rsp.pkt_unchecked_cnt;
+	}
+
+	txsc->last_validate_frames = secy->validate_frames;
+	txsc->last_protect_frames = secy->protect_frames;
+}
+
+static int cn10k_mdo_open(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct macsec_tx_sa *sw_tx_sa;
+	struct cn10k_mcs_txsc *txsc;
+	u8 sa_num;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	sa_num = txsc->encoding_sa;
+	sw_tx_sa = rcu_dereference_bh(secy->tx_sc.sa[sa_num]);
+
+	err = cn10k_mcs_secy_tx_cfg(pfvf, secy, txsc, sw_tx_sa, sa_num);
+	if (err)
+		return err;
+
+	return cn10k_mcs_secy_rx_cfg(pfvf, secy, txsc->hw_secy_id_rx);
+}
+
+static int cn10k_mdo_stop(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct cn10k_mcs_txsc *txsc;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	err = cn10k_mcs_ena_dis_flowid(pfvf, txsc->hw_flow_id, false, MCS_TX);
+	if (err)
+		return err;
+
+	return cn10k_mcs_disable_rxscs(pfvf, ctx->secy, false);
+}
+
+static int cn10k_mdo_add_secy(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct cn10k_mcs_txsc *txsc;
+
+	if (secy->icv_len != MACSEC_DEFAULT_ICV_LEN)
+		return -EOPNOTSUPP;
+
+	/* Stick to 16 bytes key len until XPN support is added */
+	if (secy->key_len != 16)
+		return -EOPNOTSUPP;
+
+	if (secy->xpn)
+		return -EOPNOTSUPP;
+
+	txsc = cn10k_mcs_create_txsc(pfvf);
+	if (IS_ERR(txsc))
+		return -ENOSPC;
+
+	txsc->sw_secy = secy;
+	txsc->encoding_sa = secy->tx_sc.encoding_sa;
+	txsc->last_validate_frames = secy->validate_frames;
+	txsc->last_protect_frames = secy->protect_frames;
+
+	list_add(&txsc->entry, &cfg->txsc_list);
+
+	if (netif_running(secy->netdev))
+		return cn10k_mcs_secy_tx_cfg(pfvf, secy, txsc, NULL, 0);
+
+	return 0;
+}
+
+static int cn10k_mdo_upd_secy(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct macsec_tx_sa *sw_tx_sa;
+	struct cn10k_mcs_txsc *txsc;
+	u8 sa_num;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, secy);
+	if (!txsc)
+		return -ENOENT;
+
+	txsc->encoding_sa = secy->tx_sc.encoding_sa;
+
+	sa_num = txsc->encoding_sa;
+	sw_tx_sa = rcu_dereference_bh(secy->tx_sc.sa[sa_num]);
+
+	if (netif_running(secy->netdev)) {
+		cn10k_mcs_sync_stats(pfvf, secy, txsc);
+
+		err = cn10k_mcs_secy_tx_cfg(pfvf, secy, txsc, sw_tx_sa, sa_num);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_del_secy(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct cn10k_mcs_txsc *txsc;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	cn10k_mcs_ena_dis_flowid(pfvf, txsc->hw_flow_id, false, MCS_TX);
+	cn10k_mcs_disable_rxscs(pfvf, ctx->secy, true);
+	cn10k_mcs_delete_txsc(pfvf, txsc);
+	list_del(&txsc->entry);
+	kfree(txsc);
+
+	return 0;
+}
+
+static int cn10k_mdo_add_txsa(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct macsec_tx_sa *sw_tx_sa = ctx->sa.tx_sa;
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_txsc *txsc;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, secy);
+	if (!txsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	if (cn10k_mcs_alloc_txsa(pfvf, &txsc->hw_sa_id[sa_num]))
+		return -ENOSPC;
+
+	memcpy(&txsc->sa_key[sa_num], ctx->sa.key, secy->key_len);
+	txsc->sa_bmap |= 1 << sa_num;
+
+	if (netif_running(secy->netdev)) {
+		err = cn10k_mcs_write_tx_sa_plcy(pfvf, secy, txsc, sa_num);
+		if (err)
+			return err;
+
+		err = cn10k_write_tx_sa_pn(pfvf, txsc, sa_num,
+					   sw_tx_sa->next_pn_halves.lower);
+		if (err)
+			return err;
+
+		err = cn10k_mcs_link_tx_sa2sc(pfvf, secy, txsc,
+					      sa_num, sw_tx_sa->active);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_upd_txsa(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct macsec_tx_sa *sw_tx_sa = ctx->sa.tx_sa;
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_txsc *txsc;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, secy);
+	if (!txsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	if (netif_running(secy->netdev)) {
+		/* Keys cannot be changed after creation */
+		err = cn10k_write_tx_sa_pn(pfvf, txsc, sa_num,
+					   sw_tx_sa->next_pn_halves.lower);
+		if (err)
+			return err;
+
+		err = cn10k_mcs_link_tx_sa2sc(pfvf, secy, txsc,
+					      sa_num, sw_tx_sa->active);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_del_txsa(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_txsc *txsc;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	cn10k_mcs_free_txsa(pfvf, txsc->hw_sa_id[sa_num]);
+	txsc->sa_bmap &= ~(1 << sa_num);
+
+	return 0;
+}
+
+static int cn10k_mdo_add_rxsc(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct cn10k_mcs_rxsc *rxsc;
+	struct cn10k_mcs_txsc *txsc;
+	int err;
+
+	txsc = cn10k_mcs_get_txsc(cfg, secy);
+	if (!txsc)
+		return -ENOENT;
+
+	rxsc = cn10k_mcs_create_rxsc(pfvf);
+	if (IS_ERR(rxsc))
+		return -ENOSPC;
+
+	rxsc->sw_secy = ctx->secy;
+	rxsc->sw_rxsc = ctx->rx_sc;
+	list_add(&rxsc->entry, &cfg->rxsc_list);
+
+	if (netif_running(secy->netdev)) {
+		err = cn10k_mcs_write_rx_flowid(pfvf, rxsc, txsc->hw_secy_id_rx);
+		if (err)
+			return err;
+
+		err = cn10k_mcs_write_sc_cam(pfvf, rxsc, txsc->hw_secy_id_rx);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_upd_rxsc(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	bool enable = ctx->rx_sc->active;
+	struct cn10k_mcs_rxsc *rxsc;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, secy, ctx->rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	if (netif_running(secy->netdev))
+		return cn10k_mcs_ena_dis_flowid(pfvf, rxsc->hw_flow_id,
+						enable, MCS_RX);
+
+	return 0;
+}
+
+static int cn10k_mdo_del_rxsc(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct cn10k_mcs_rxsc *rxsc;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, ctx->secy, ctx->rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	cn10k_mcs_ena_dis_flowid(pfvf, rxsc->hw_flow_id, false, MCS_RX);
+	cn10k_mcs_delete_rxsc(pfvf, rxsc);
+	list_del(&rxsc->entry);
+	kfree(rxsc);
+
+	return 0;
+}
+
+static int cn10k_mdo_add_rxsa(struct macsec_context *ctx)
+{
+	struct macsec_rx_sc *sw_rx_sc = ctx->sa.rx_sa->sc;
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_rx_sa *rx_sa = ctx->sa.rx_sa;
+	u64 next_pn = rx_sa->next_pn_halves.lower;
+	struct macsec_secy *secy = ctx->secy;
+	bool sa_in_use = rx_sa->active;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_rxsc *rxsc;
+	int err;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, secy, sw_rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	if (cn10k_mcs_alloc_rxsa(pfvf, &rxsc->hw_sa_id[sa_num]))
+		return -ENOSPC;
+
+	memcpy(&rxsc->sa_key[sa_num], ctx->sa.key, ctx->secy->key_len);
+	rxsc->sa_bmap |= 1 << sa_num;
+
+	if (netif_running(secy->netdev)) {
+		err = cn10k_mcs_write_rx_sa_plcy(pfvf, secy, rxsc,
+						 sa_num, sa_in_use);
+		if (err)
+			return err;
+
+		err = cn10k_mcs_write_rx_sa_pn(pfvf, rxsc, sa_num, next_pn);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_upd_rxsa(struct macsec_context *ctx)
+{
+	struct macsec_rx_sc *sw_rx_sc = ctx->sa.rx_sa->sc;
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_rx_sa *rx_sa = ctx->sa.rx_sa;
+	u64 next_pn = rx_sa->next_pn_halves.lower;
+	struct macsec_secy *secy = ctx->secy;
+	bool sa_in_use = rx_sa->active;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_rxsc *rxsc;
+	int err;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, secy, sw_rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	if (netif_running(secy->netdev)) {
+		err = cn10k_mcs_write_rx_sa_plcy(pfvf, secy, rxsc, sa_num, sa_in_use);
+		if (err)
+			return err;
+
+		err = cn10k_mcs_write_rx_sa_pn(pfvf, rxsc, sa_num, next_pn);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+static int cn10k_mdo_del_rxsa(struct macsec_context *ctx)
+{
+	struct macsec_rx_sc *sw_rx_sc = ctx->sa.rx_sa->sc;
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_rxsc *rxsc;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, ctx->secy, sw_rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	cn10k_mcs_write_rx_sa_plcy(pfvf, ctx->secy, rxsc, sa_num, false);
+	cn10k_mcs_free_rxsa(pfvf, rxsc->hw_sa_id[sa_num]);
+
+	rxsc->sa_bmap &= ~(1 << sa_num);
+
+	return 0;
+}
+
+static int cn10k_mdo_get_dev_stats(struct macsec_context *ctx)
+{
+	struct mcs_secy_stats tx_rsp = { 0 }, rx_rsp = { 0 };
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct cn10k_mcs_txsc *txsc;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	cn10k_mcs_secy_stats(pfvf, txsc->hw_secy_id_tx, &tx_rsp, MCS_TX, false);
+	ctx->stats.dev_stats->OutPktsUntagged = tx_rsp.pkt_untagged_cnt;
+	ctx->stats.dev_stats->OutPktsTooLong = tx_rsp.pkt_toolong_cnt;
+
+	cn10k_mcs_secy_stats(pfvf, txsc->hw_secy_id_rx, &rx_rsp, MCS_RX, true);
+	txsc->stats.InPktsBadTag += rx_rsp.pkt_badtag_cnt;
+	txsc->stats.InPktsUnknownSCI += rx_rsp.pkt_nosa_cnt;
+	txsc->stats.InPktsNoSCI += rx_rsp.pkt_nosaerror_cnt;
+	if (secy->validate_frames == MACSEC_VALIDATE_STRICT)
+		txsc->stats.InPktsNoTag += rx_rsp.pkt_untaged_cnt;
+	else
+		txsc->stats.InPktsUntagged += rx_rsp.pkt_untaged_cnt;
+	txsc->stats.InPktsOverrun = 0;
+
+	ctx->stats.dev_stats->InPktsNoTag = txsc->stats.InPktsNoTag;
+	ctx->stats.dev_stats->InPktsUntagged = txsc->stats.InPktsUntagged;
+	ctx->stats.dev_stats->InPktsBadTag = txsc->stats.InPktsBadTag;
+	ctx->stats.dev_stats->InPktsUnknownSCI = txsc->stats.InPktsUnknownSCI;
+	ctx->stats.dev_stats->InPktsNoSCI = txsc->stats.InPktsNoSCI;
+	ctx->stats.dev_stats->InPktsOverrun = txsc->stats.InPktsOverrun;
+
+	return 0;
+}
+
+static int cn10k_mdo_get_tx_sc_stats(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct mcs_sc_stats rsp = { 0 };
+	struct cn10k_mcs_txsc *txsc;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	cn10k_mcs_sc_stats(pfvf, txsc->hw_sc_id, &rsp, MCS_TX, false);
+
+	ctx->stats.tx_sc_stats->OutPktsProtected = rsp.pkt_protected_cnt;
+	ctx->stats.tx_sc_stats->OutPktsEncrypted = rsp.pkt_encrypt_cnt;
+	ctx->stats.tx_sc_stats->OutOctetsProtected = rsp.octet_protected_cnt;
+	ctx->stats.tx_sc_stats->OutOctetsEncrypted = rsp.octet_encrypt_cnt;
+
+	return 0;
+}
+
+static int cn10k_mdo_get_tx_sa_stats(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct mcs_sa_stats rsp = { 0 };
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_txsc *txsc;
+
+	txsc = cn10k_mcs_get_txsc(cfg, ctx->secy);
+	if (!txsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	cn10k_mcs_sa_stats(pfvf, txsc->hw_sa_id[sa_num], &rsp, MCS_TX, false);
+
+	ctx->stats.tx_sa_stats->OutPktsProtected = rsp.pkt_protected_cnt;
+	ctx->stats.tx_sa_stats->OutPktsEncrypted = rsp.pkt_encrypt_cnt;
+
+	return 0;
+}
+
+static int cn10k_mdo_get_rx_sc_stats(struct macsec_context *ctx)
+{
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_secy *secy = ctx->secy;
+	struct mcs_sc_stats rsp = { 0 };
+	struct cn10k_mcs_rxsc *rxsc;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, secy, ctx->rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	cn10k_mcs_sc_stats(pfvf, rxsc->hw_sc_id, &rsp, MCS_RX, true);
+
+	rxsc->stats.InOctetsValidated += rsp.octet_validate_cnt;
+	rxsc->stats.InOctetsDecrypted += rsp.octet_decrypt_cnt;
+
+	rxsc->stats.InPktsInvalid += rsp.pkt_invalid_cnt;
+	rxsc->stats.InPktsNotValid += rsp.pkt_notvalid_cnt;
+
+	if (secy->protect_frames)
+		rxsc->stats.InPktsLate += rsp.pkt_late_cnt;
+	else
+		rxsc->stats.InPktsDelayed += rsp.pkt_late_cnt;
+
+	if (secy->validate_frames == MACSEC_VALIDATE_CHECK)
+		rxsc->stats.InPktsUnchecked += rsp.pkt_unchecked_cnt;
+	else
+		rxsc->stats.InPktsOK += rsp.pkt_unchecked_cnt;
+
+	ctx->stats.rx_sc_stats->InOctetsValidated = rxsc->stats.InOctetsValidated;
+	ctx->stats.rx_sc_stats->InOctetsDecrypted = rxsc->stats.InOctetsDecrypted;
+	ctx->stats.rx_sc_stats->InPktsInvalid = rxsc->stats.InPktsInvalid;
+	ctx->stats.rx_sc_stats->InPktsNotValid = rxsc->stats.InPktsNotValid;
+	ctx->stats.rx_sc_stats->InPktsLate = rxsc->stats.InPktsLate;
+	ctx->stats.rx_sc_stats->InPktsDelayed = rxsc->stats.InPktsDelayed;
+	ctx->stats.rx_sc_stats->InPktsUnchecked = rxsc->stats.InPktsUnchecked;
+	ctx->stats.rx_sc_stats->InPktsOK = rxsc->stats.InPktsOK;
+
+	return 0;
+}
+
+static int cn10k_mdo_get_rx_sa_stats(struct macsec_context *ctx)
+{
+	struct macsec_rx_sc *sw_rx_sc = ctx->sa.rx_sa->sc;
+	struct otx2_nic *pfvf = netdev_priv(ctx->netdev);
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct mcs_sa_stats rsp = { 0 };
+	u8 sa_num = ctx->sa.assoc_num;
+	struct cn10k_mcs_rxsc *rxsc;
+
+	rxsc = cn10k_mcs_get_rxsc(cfg, ctx->secy, sw_rx_sc);
+	if (!rxsc)
+		return -ENOENT;
+
+	if (sa_num >= CN10K_MCS_SA_PER_SC)
+		return -EOPNOTSUPP;
+
+	cn10k_mcs_sa_stats(pfvf, rxsc->hw_sa_id[sa_num], &rsp, MCS_RX, false);
+
+	ctx->stats.rx_sa_stats->InPktsOK = rsp.pkt_ok_cnt;
+	ctx->stats.rx_sa_stats->InPktsInvalid = rsp.pkt_invalid_cnt;
+	ctx->stats.rx_sa_stats->InPktsNotValid = rsp.pkt_notvalid_cnt;
+	ctx->stats.rx_sa_stats->InPktsNotUsingSA = rsp.pkt_nosaerror_cnt;
+	ctx->stats.rx_sa_stats->InPktsUnusedSA = rsp.pkt_nosa_cnt;
+
+	return 0;
+}
+
+static const struct macsec_ops cn10k_mcs_ops = {
+	.mdo_dev_open = cn10k_mdo_open,
+	.mdo_dev_stop = cn10k_mdo_stop,
+	.mdo_add_secy = cn10k_mdo_add_secy,
+	.mdo_upd_secy = cn10k_mdo_upd_secy,
+	.mdo_del_secy = cn10k_mdo_del_secy,
+	.mdo_add_rxsc = cn10k_mdo_add_rxsc,
+	.mdo_upd_rxsc = cn10k_mdo_upd_rxsc,
+	.mdo_del_rxsc = cn10k_mdo_del_rxsc,
+	.mdo_add_rxsa = cn10k_mdo_add_rxsa,
+	.mdo_upd_rxsa = cn10k_mdo_upd_rxsa,
+	.mdo_del_rxsa = cn10k_mdo_del_rxsa,
+	.mdo_add_txsa = cn10k_mdo_add_txsa,
+	.mdo_upd_txsa = cn10k_mdo_upd_txsa,
+	.mdo_del_txsa = cn10k_mdo_del_txsa,
+	.mdo_get_dev_stats = cn10k_mdo_get_dev_stats,
+	.mdo_get_tx_sc_stats = cn10k_mdo_get_tx_sc_stats,
+	.mdo_get_tx_sa_stats = cn10k_mdo_get_tx_sa_stats,
+	.mdo_get_rx_sc_stats = cn10k_mdo_get_rx_sc_stats,
+	.mdo_get_rx_sa_stats = cn10k_mdo_get_rx_sa_stats,
+};
+
+void cn10k_handle_mcs_event(struct otx2_nic *pfvf, struct mcs_intr_info *event)
+{
+	struct cn10k_mcs_cfg *cfg = pfvf->macsec_cfg;
+	struct macsec_tx_sa *sw_tx_sa = NULL;
+	struct macsec_secy *secy = NULL;
+	struct cn10k_mcs_txsc *txsc;
+	u8 an;
+
+	if (!test_bit(CN10K_HW_MACSEC, &pfvf->hw.cap_flag))
+		return;
+
+	if (!(event->intr_mask & MCS_CPM_TX_PACKET_XPN_EQ0_INT))
+		return;
+
+	/* Find the SecY to which the expired hardware SA is mapped */
+	list_for_each_entry(txsc, &cfg->txsc_list, entry) {
+		for (an = 0; an < CN10K_MCS_SA_PER_SC; an++)
+			if (txsc->hw_sa_id[an] == event->sa_id) {
+				secy = txsc->sw_secy;
+				sw_tx_sa = rcu_dereference_bh(secy->tx_sc.sa[an]);
+			}
+	}
+
+	if (secy && sw_tx_sa)
+		macsec_pn_wrapped(secy, sw_tx_sa);
+}
+
+int cn10k_mcs_init(struct otx2_nic *pfvf)
+{
+	struct mbox *mbox = &pfvf->mbox;
+	struct cn10k_mcs_cfg *cfg;
+	struct mcs_intr_cfg *req;
+
+	if (!test_bit(CN10K_HW_MACSEC, &pfvf->hw.cap_flag))
+		return 0;
+
+	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
+	if (!cfg)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&cfg->txsc_list);
+	INIT_LIST_HEAD(&cfg->rxsc_list);
+	pfvf->macsec_cfg = cfg;
+
+	pfvf->netdev->features |= NETIF_F_HW_MACSEC;
+	pfvf->netdev->macsec_ops = &cn10k_mcs_ops;
+
+	mutex_lock(&mbox->lock);
+
+	req = otx2_mbox_alloc_msg_mcs_intr_cfg(mbox);
+	if (!req)
+		goto fail;
+
+	req->intr_mask = MCS_CPM_TX_PACKET_XPN_EQ0_INT;
+
+	if (otx2_sync_mbox_msg(mbox))
+		goto fail;
+
+	mutex_unlock(&mbox->lock);
+
+	return 0;
+fail:
+	dev_err(pfvf->dev, "Cannot notify PN wrapped event\n");
+	return 0;
+}
+
+void cn10k_mcs_free(struct otx2_nic *pfvf)
+{
+	if (!test_bit(CN10K_HW_MACSEC, &pfvf->hw.cap_flag))
+		return;
+
+	cn10k_mcs_free_rsrc(pfvf, MCS_TX, MCS_RSRC_TYPE_SECY, 0, true);
+	cn10k_mcs_free_rsrc(pfvf, MCS_RX, MCS_RSRC_TYPE_SECY, 0, true);
+	kfree(pfvf->macsec_cfg);
+	pfvf->macsec_cfg = NULL;
+}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index bc3e6aae6efa..9ac9e6615ae7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -1827,4 +1827,5 @@ otx2_mbox_up_handler_ ## _fn_name(struct otx2_nic *pfvf,		\
 }									\
 EXPORT_SYMBOL(otx2_mbox_up_handler_ ## _fn_name);
 MBOX_UP_CGX_MESSAGES
+MBOX_UP_MCS_MESSAGES
 #undef M
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 4c7691a1a1ed..282db6fe3b08 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -19,6 +19,7 @@
 #include <net/devlink.h>
 #include <linux/time64.h>
 #include <linux/dim.h>
+#include <uapi/linux/if_macsec.h>
 
 #include <mbox.h>
 #include <npc.h>
@@ -33,6 +34,7 @@
 #define PCI_DEVID_OCTEONTX2_RVU_AFVF		0xA0F8
 
 #define PCI_SUBSYS_DEVID_96XX_RVU_PFVF		0xB200
+#define PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF	0xBD00
 
 /* PCI BAR nos */
 #define PCI_CFG_REG_BAR_NUM                     2
@@ -244,6 +246,7 @@ struct otx2_hw {
 #define CN10K_LMTST		2
 #define CN10K_RPM		3
 #define CN10K_PTP_ONESTEP	4
+#define CN10K_HW_MACSEC		5
 	unsigned long		cap_flag;
 
 #define LMT_LINE_SIZE		128
@@ -351,6 +354,66 @@ struct dev_hw_ops {
 	void	(*aura_freeptr)(void *dev, int aura, u64 buf);
 };
 
+#define CN10K_MCS_SA_PER_SC	4
+
+/* Stats which need to be accumulated in software because
+ * of shared counters in hardware.
+ */
+struct cn10k_txsc_stats {
+	u64 InPktsUntagged;
+	u64 InPktsNoTag;
+	u64 InPktsBadTag;
+	u64 InPktsUnknownSCI;
+	u64 InPktsNoSCI;
+	u64 InPktsOverrun;
+};
+
+struct cn10k_rxsc_stats {
+	u64 InOctetsValidated;
+	u64 InOctetsDecrypted;
+	u64 InPktsUnchecked;
+	u64 InPktsDelayed;
+	u64 InPktsOK;
+	u64 InPktsInvalid;
+	u64 InPktsLate;
+	u64 InPktsNotValid;
+	u64 InPktsNotUsingSA;
+	u64 InPktsUnusedSA;
+};
+
+struct cn10k_mcs_txsc {
+	struct macsec_secy *sw_secy;
+	struct cn10k_txsc_stats stats;
+	struct list_head entry;
+	enum macsec_validation_type last_validate_frames;
+	bool last_protect_frames;
+	u16 hw_secy_id_tx;
+	u16 hw_secy_id_rx;
+	u16 hw_flow_id;
+	u16 hw_sc_id;
+	u16 hw_sa_id[CN10K_MCS_SA_PER_SC];
+	u8 sa_bmap;
+	u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN];
+	u8 encoding_sa;
+};
+
+struct cn10k_mcs_rxsc {
+	struct macsec_secy *sw_secy;
+	struct macsec_rx_sc *sw_rxsc;
+	struct cn10k_rxsc_stats stats;
+	struct list_head entry;
+	u16 hw_flow_id;
+	u16 hw_sc_id;
+	u16 hw_sa_id[CN10K_MCS_SA_PER_SC];
+	u8 sa_bmap;
+	u8 sa_key[CN10K_MCS_SA_PER_SC][MACSEC_MAX_KEY_LEN];
+};
+
+struct cn10k_mcs_cfg {
+	struct list_head txsc_list;
+	struct list_head rxsc_list;
+};
+
 struct otx2_nic {
 	void __iomem		*reg_base;
 	struct net_device	*netdev;
@@ -438,6 +501,10 @@ struct otx2_nic {
 
 	/* napi event count. It is needed for adaptive irq coalescing. */
 	u32 napi_events;
+
+#if IS_ENABLED(CONFIG_MACSEC)
+	struct cn10k_mcs_cfg	*macsec_cfg;
+#endif
 };
 
 static inline bool is_otx2_lbkvf(struct pci_dev *pdev)
@@ -477,6 +544,11 @@ static inline bool is_dev_otx2(struct pci_dev *pdev)
 		midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO);
 }
 
+static inline bool is_dev_cn10kb(struct pci_dev *pdev)
+{
+	return pdev->subsystem_device == PCI_SUBSYS_DEVID_CN10K_B_RVU_PFVF;
+}
+
 static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf)
 {
 	struct otx2_hw *hw = &pfvf->hw;
@@ -508,6 +580,9 @@ static inline void otx2_setup_dev_hw_settings(struct otx2_nic *pfvf)
 		__set_bit(CN10K_RPM, &hw->cap_flag);
 		__set_bit(CN10K_PTP_ONESTEP, &hw->cap_flag);
 	}
+
+	if (is_dev_cn10kb(pfvf->pdev))
+		__set_bit(CN10K_HW_MACSEC, &hw->cap_flag);
 }
 
 /* Register read/write APIs */
@@ -763,6 +838,7 @@ otx2_mbox_up_handler_ ## _fn_name(struct otx2_nic *pfvf,		\
 				struct _rsp_type *rsp);			\
 
 MBOX_UP_CGX_MESSAGES
+MBOX_UP_MCS_MESSAGES
 #undef M
 
 /* Time to wait before watchdog kicks off */
@@ -945,4 +1021,18 @@ int otx2_pfc_txschq_alloc(struct otx2_nic *pfvf);
 int otx2_pfc_txschq_update(struct otx2_nic *pfvf);
 int otx2_pfc_txschq_stop(struct otx2_nic *pfvf);
 #endif
+
+#if IS_ENABLED(CONFIG_MACSEC)
+/* MACSEC offload support */
+int cn10k_mcs_init(struct otx2_nic *pfvf);
+void cn10k_mcs_free(struct otx2_nic *pfvf);
+void cn10k_handle_mcs_event(struct otx2_nic *pfvf, struct mcs_intr_info *event);
+#else
+static inline int cn10k_mcs_init(struct otx2_nic *pfvf) { return 0; }
+static inline void cn10k_mcs_free(struct otx2_nic *pfvf) {}
+static inline void cn10k_handle_mcs_event(struct otx2_nic *pfvf,
+					  struct mcs_intr_info *event)
+{}
+#endif /* CONFIG_MACSEC */
+
 #endif /* OTX2_COMMON_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index fa9348d6a4f4..5803d7f9137c 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -858,6 +858,15 @@ static void otx2_handle_link_event(struct otx2_nic *pf)
 	}
 }
 
+int otx2_mbox_up_handler_mcs_intr_notify(struct otx2_nic *pf,
+					 struct mcs_intr_info *event,
+					 struct msg_rsp *rsp)
+{
+	cn10k_handle_mcs_event(pf, event);
+
+	return 0;
+}
+
 int otx2_mbox_up_handler_cgx_link_event(struct otx2_nic *pf,
 					struct cgx_link_info_msg *msg,
 					struct msg_rsp *rsp)
@@ -917,6 +926,7 @@ static int otx2_process_mbox_msg_up(struct otx2_nic *pf,
 		return err;						\
 	}
 MBOX_UP_CGX_MESSAGES
+MBOX_UP_MCS_MESSAGES
 #undef M
 		break;
 	default:
@@ -2764,6 +2774,10 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (err)
 		goto err_ptp_destroy;
 
+	err = cn10k_mcs_init(pf);
+	if (err)
+		goto err_del_mcam_entries;
+
 	if (pf->flags & OTX2_FLAG_NTUPLE_SUPPORT)
 		netdev->hw_features |= NETIF_F_NTUPLE;
 
@@ -2978,6 +2992,8 @@ static void otx2_remove(struct pci_dev *pdev)
 		otx2_config_pause_frm(pf);
 	}
 
+	cn10k_mcs_free(pf);
+
 #ifdef CONFIG_DCB
 	/* Disable PFC config */
 	if (pf->pfc_en) {