diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index ef10aef3cda0..67345a3e2bba 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -10,6 +10,7 @@
 #include <net/tso.h>
 #include <linux/bpf.h>
 #include <linux/bpf_trace.h>
+#include <net/ip6_checksum.h>
 
 #include "otx2_reg.h"
 #include "otx2_common.h"
@@ -699,7 +700,7 @@ static void otx2_sqe_add_ext(struct otx2_nic *pfvf, struct otx2_snd_queue *sq,
 
 static void otx2_sqe_add_mem(struct otx2_snd_queue *sq, int *offset,
 			     int alg, u64 iova, int ptp_offset,
-			     u64 base_ns, int udp_csum)
+			     u64 base_ns, bool udp_csum_crt)
 {
 	struct nix_sqe_mem_s *mem;
 
@@ -711,7 +712,7 @@ static void otx2_sqe_add_mem(struct otx2_snd_queue *sq, int *offset,
 
 	if (ptp_offset) {
 		mem->start_offset = ptp_offset;
-		mem->udp_csum_crt = udp_csum;
+		mem->udp_csum_crt = !!udp_csum_crt;
 		mem->base_ns = base_ns;
 		mem->step_type = 1;
 	}
@@ -986,10 +987,11 @@ static bool otx2_validate_network_transport(struct sk_buff *skb)
 	return false;
 }
 
-static bool otx2_ptp_is_sync(struct sk_buff *skb, int *offset, int *udp_csum)
+static bool otx2_ptp_is_sync(struct sk_buff *skb, int *offset, bool *udp_csum_crt)
 {
 	struct ethhdr *eth = (struct ethhdr *)(skb->data);
 	u16 nix_offload_hlen = 0, inner_vhlen = 0;
+	bool udp_hdr_present = false, is_sync;
 	u8 *data = skb->data, *msgtype;
 	__be16 proto = eth->h_proto;
 	int network_depth = 0;
@@ -1029,45 +1031,83 @@ static bool otx2_ptp_is_sync(struct sk_buff *skb, int *offset, int *udp_csum)
 		if (!otx2_validate_network_transport(skb))
 			return false;
 
-		*udp_csum = 1;
 		*offset = nix_offload_hlen + skb_transport_offset(skb) +
 			  sizeof(struct udphdr);
+		udp_hdr_present = true;
+
 	}
 
 	msgtype = data + *offset;
-
 	/* Check PTP messageId is SYNC or not */
-	return (*msgtype & 0xf) == 0;
+	is_sync =  ((*msgtype & 0xf) == 0) ? true : false;
+	if (is_sync) {
+		if (udp_hdr_present)
+			*udp_csum_crt = true;
+	} else {
+		*offset = 0;
+	}
+
+	return is_sync;
 }
 
 static void otx2_set_txtstamp(struct otx2_nic *pfvf, struct sk_buff *skb,
 			      struct otx2_snd_queue *sq, int *offset)
 {
+	struct ethhdr	*eth = (struct ethhdr *)(skb->data);
 	struct ptpv2_tstamp *origin_tstamp;
-	int ptp_offset = 0, udp_csum = 0;
+	bool udp_csum_crt = false;
+	unsigned int udphoff;
 	struct timespec64 ts;
+	int ptp_offset = 0;
+	__wsum skb_csum;
 	u64 iova;
 
 	if (unlikely(!skb_shinfo(skb)->gso_size &&
 		     (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))) {
-		if (unlikely(pfvf->flags & OTX2_FLAG_PTP_ONESTEP_SYNC)) {
-			if (otx2_ptp_is_sync(skb, &ptp_offset, &udp_csum)) {
-				origin_tstamp = (struct ptpv2_tstamp *)
-						((u8 *)skb->data + ptp_offset +
-						 PTP_SYNC_SEC_OFFSET);
-				ts = ns_to_timespec64(pfvf->ptp->tstamp);
-				origin_tstamp->seconds_msb = htons((ts.tv_sec >> 32) & 0xffff);
-				origin_tstamp->seconds_lsb = htonl(ts.tv_sec & 0xffffffff);
-				origin_tstamp->nanoseconds = htonl(ts.tv_nsec);
-				/* Point to correction field in PTP packet */
-				ptp_offset += 8;
+		if (unlikely(pfvf->flags & OTX2_FLAG_PTP_ONESTEP_SYNC &&
+			     otx2_ptp_is_sync(skb, &ptp_offset, &udp_csum_crt))) {
+			origin_tstamp = (struct ptpv2_tstamp *)
+					((u8 *)skb->data + ptp_offset +
+					 PTP_SYNC_SEC_OFFSET);
+			ts = ns_to_timespec64(pfvf->ptp->tstamp);
+			origin_tstamp->seconds_msb = htons((ts.tv_sec >> 32) & 0xffff);
+			origin_tstamp->seconds_lsb = htonl(ts.tv_sec & 0xffffffff);
+			origin_tstamp->nanoseconds = htonl(ts.tv_nsec);
+			/* Point to correction field in PTP packet */
+			ptp_offset += 8;
+
+			/* When user disables hw checksum, stack calculates the csum,
+			 * but it does not cover ptp timestamp which is added later.
+			 * Recalculate the checksum manually considering the timestamp.
+			 */
+			if (udp_csum_crt) {
+				struct udphdr *uh = udp_hdr(skb);
+
+				if (skb->ip_summed != CHECKSUM_PARTIAL && uh->check != 0) {
+					udphoff = skb_transport_offset(skb);
+					uh->check = 0;
+					skb_csum = skb_checksum(skb, udphoff, skb->len - udphoff,
+								0);
+					if (ntohs(eth->h_proto) == ETH_P_IPV6)
+						uh->check = csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+									    &ipv6_hdr(skb)->daddr,
+									    skb->len - udphoff,
+									    ipv6_hdr(skb)->nexthdr,
+									    skb_csum);
+					else
+						uh->check = csum_tcpudp_magic(ip_hdr(skb)->saddr,
+									      ip_hdr(skb)->daddr,
+									      skb->len - udphoff,
+									      IPPROTO_UDP,
+									      skb_csum);
+				}
 			}
 		} else {
 			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
 		}
 		iova = sq->timestamps->iova + (sq->head * sizeof(u64));
 		otx2_sqe_add_mem(sq, offset, NIX_SENDMEMALG_E_SETTSTMP, iova,
-				 ptp_offset, pfvf->ptp->base_ns, udp_csum);
+				 ptp_offset, pfvf->ptp->base_ns, udp_csum_crt);
 	} else {
 		skb_tx_timestamp(skb);
 	}
