diff --git a/doc/guides/nics/octeontx2.rst b/doc/guides/nics/octeontx2.rst
index a4f224424..5e1621c1b 100644
--- a/doc/guides/nics/octeontx2.rst
+++ b/doc/guides/nics/octeontx2.rst
@@ -167,7 +167,7 @@ Runtime Config Options
 
    With the above configuration, higig2 will be enabled on that port and the
    traffic on this port should be higig2 traffic only. Supported switch header
-   types are "higig2", "dsa" and "chlen90b".
+   types are "higig2", "dsa", "chlen90b" and "chlen24b".
 
 - ``RSS tag as XOR`` (default ``0``)
 
diff --git a/drivers/common/octeontx2/hw/otx2_npc.h b/drivers/common/octeontx2/hw/otx2_npc.h
index 45e60dfd5..dd507d57a 100644
--- a/drivers/common/octeontx2/hw/otx2_npc.h
+++ b/drivers/common/octeontx2/hw/otx2_npc.h
@@ -185,7 +185,11 @@ enum npc_kpu_la_ltype {
 	NPC_LT_LA_IH_2_ETHER,
 	NPC_LT_LA_HIGIG2_ETHER,
 	NPC_LT_LA_IH_NIX_HIGIG2_ETHER,
-	NPC_LT_LA_CH_LEN_90B_ETHER,   /* Custom L2 header of length 90 bytes */
+	NPC_LT_LA_CUSTOM_L2_90B_ETHER,
+	NPC_LT_LA_CPT_HDR,
+	NPC_LT_LA_CUSTOM_L2_24B_ETHER,
+	NPC_LT_LA_CUSTOM0 = 0xE,
+	NPC_LT_LA_CUSTOM1 = 0xF,
 };
 
 enum npc_kpu_lb_ltype {
@@ -200,6 +204,9 @@ enum npc_kpu_lb_ltype {
 	NPC_LT_LB_EDSA_VLAN,
 	NPC_LT_LB_EXDSA,
 	NPC_LT_LB_EXDSA_VLAN,
+	NPC_LT_LB_FDSA,
+	NPC_LT_LB_CUSTOM0 = 0xE,
+	NPC_LT_LB_CUSTOM1 = 0xF,
 };
 
 enum npc_kpu_lc_ltype {
@@ -213,6 +220,8 @@ enum npc_kpu_lc_ltype {
 	NPC_LT_LC_MPLS,
 	NPC_LT_LC_NSH,
 	NPC_LT_LC_FCOE,
+	NPC_LT_LC_CUSTOM0 = 0xE,
+	NPC_LT_LC_CUSTOM1 = 0xF,
 };
 
 /* Don't modify Ltypes up to SCTP, otherwise it will
@@ -224,6 +233,8 @@ enum npc_kpu_ld_ltype {
 	NPC_LT_LD_ICMP,
 	NPC_LT_LD_SCTP,
 	NPC_LT_LD_ICMP6,
+	NPC_LT_LD_CUSTOM0,
+	NPC_LT_LD_CUSTOM1,
 	NPC_LT_LD_IGMP = 8,
 	NPC_LT_LD_AH,
 	NPC_LT_LD_GRE,
@@ -244,6 +255,8 @@ enum npc_kpu_le_ltype {
 	NPC_LT_LE_TU_MPLS_IN_GRE,
 	NPC_LT_LE_TU_NSH_IN_GRE,
 	NPC_LT_LE_TU_MPLS_IN_UDP,
+	NPC_LT_LE_CUSTOM0 = 0xE,
+	NPC_LT_LE_CUSTOM1 = 0xF,
 };
 
 enum npc_kpu_lf_ltype {
@@ -253,6 +266,8 @@ enum npc_kpu_lf_ltype {
 	NPC_LT_LF_TU_NSH_IN_VXLANGPE,
 	NPC_LT_LF_TU_MPLS_IN_NSH,
 	NPC_LT_LF_TU_3RD_NSH,
+	NPC_LT_LF_CUSTOM0 = 0xE,
+	NPC_LT_LF_CUSTOM1 = 0xF,
 };
 
 enum npc_kpu_lg_ltype {
@@ -260,6 +275,8 @@ enum npc_kpu_lg_ltype {
 	NPC_LT_LG_TU_IP6,
 	NPC_LT_LG_TU_ARP,
 	NPC_LT_LG_TU_ETHER_IN_NSH,
+	NPC_LT_LG_CUSTOM0 = 0xE,
+	NPC_LT_LG_CUSTOM1 = 0xF,
 };
 
 /* Don't modify Ltypes up to SCTP, otherwise it will
@@ -274,6 +291,8 @@ enum npc_kpu_lh_ltype {
 	NPC_LT_LH_TU_IGMP = 8,
 	NPC_LT_LH_TU_ESP,
 	NPC_LT_LH_TU_AH,
+	NPC_LT_LH_CUSTOM0 = 0xE,
+	NPC_LT_LH_CUSTOM1 = 0xF,
 };
 
 /* Structures definitions */
diff --git a/drivers/common/octeontx2/otx2_mbox.h b/drivers/common/octeontx2/otx2_mbox.h
index f6d884c19..7e7667bf0 100644
--- a/drivers/common/octeontx2/otx2_mbox.h
+++ b/drivers/common/octeontx2/otx2_mbox.h
@@ -353,13 +353,26 @@ struct ready_msg_rsp {
 	uint16_t __otx2_io rclk_freq; /* RCLK frequency */
 };
 
+enum npc_pkind_type {
+	NPC_RX_CHLEN24B_PKIND = 57ULL,
+	NPC_RX_CPT_HDR_PKIND,
+	NPC_RX_CHLEN90B_PKIND,
+	NPC_TX_HIGIG_PKIND,
+	NPC_RX_HIGIG_PKIND,
+	NPC_RX_EDSA_PKIND,
+	NPC_TX_DEF_PKIND,
+};
+
+#define OTX2_PRIV_FLAGS_CH_LEN_90B 254
+#define OTX2_PRIV_FLAGS_CH_LEN_24B 255
+
 /* Struct to set pkind */
 struct npc_set_pkind {
 	struct mbox_msghdr hdr;
 #define OTX2_PRIV_FLAGS_DEFAULT  BIT_ULL(0)
 #define OTX2_PRIV_FLAGS_EDSA     BIT_ULL(1)
 #define OTX2_PRIV_FLAGS_HIGIG    BIT_ULL(2)
-#define OTX2_PRIV_FLAGS_LEN_90B  BIT_ULL(3)
+#define OTX2_PRIV_FLAGS_FDSA     BIT_ULL(3)
 #define OTX2_PRIV_FLAGS_CUSTOM   BIT_ULL(63)
 	uint64_t __otx2_io mode;
 #define PKIND_TX		BIT_ULL(0)
diff --git a/drivers/net/octeontx2/otx2_ethdev.c b/drivers/net/octeontx2/otx2_ethdev.c
index 6cebbe677..9bfe95d6b 100644
--- a/drivers/net/octeontx2/otx2_ethdev.c
+++ b/drivers/net/octeontx2/otx2_ethdev.c
@@ -112,15 +112,18 @@ nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
 	if (dev->npc_flow.switch_header_type == 0)
 		return 0;
 
-	if (dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_LEN_90B &&
-	    !otx2_dev_is_sdp(dev)) {
-		otx2_err("chlen90b is not supported on non-SDP device");
-		return -EINVAL;
-	}
-
 	/* Notify AF about higig2 config */
 	req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
 	req->mode = dev->npc_flow.switch_header_type;
+	if (dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_CH_LEN_90B) {
+		req->mode = OTX2_PRIV_FLAGS_CUSTOM;
+		req->pkind = NPC_RX_CHLEN90B_PKIND;
+	} else if (dev->npc_flow.switch_header_type ==
+		   OTX2_PRIV_FLAGS_CH_LEN_24B) {
+		req->mode = OTX2_PRIV_FLAGS_CUSTOM;
+		req->pkind = NPC_RX_CHLEN24B_PKIND;
+	}
+
 	if (enable == 0)
 		req->mode = OTX2_PRIV_FLAGS_DEFAULT;
 	req->dir = PKIND_RX;
@@ -129,6 +132,10 @@ nix_lf_switch_header_type_enable(struct otx2_eth_dev *dev, bool enable)
 		return rc;
 	req = otx2_mbox_alloc_msg_npc_set_pkind(mbox);
 	req->mode = dev->npc_flow.switch_header_type;
+	if (dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_CH_LEN_90B ||
+	    dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_CH_LEN_24B)
+		req->mode = OTX2_PRIV_FLAGS_DEFAULT;
+
 	if (enable == 0)
 		req->mode = OTX2_PRIV_FLAGS_DEFAULT;
 	req->dir = PKIND_TX;
diff --git a/drivers/net/octeontx2/otx2_ethdev_devargs.c b/drivers/net/octeontx2/otx2_ethdev_devargs.c
index d4a85bf55..71d3e9747 100644
--- a/drivers/net/octeontx2/otx2_ethdev_devargs.c
+++ b/drivers/net/octeontx2/otx2_ethdev_devargs.c
@@ -114,7 +114,11 @@ parse_switch_header_type(const char *key, const char *value, void *extra_args)
 		*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
 
 	if (strcmp(value, "chlen90b") == 0)
-		*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_LEN_90B;
+		*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_CH_LEN_90B;
+
+	if (strcmp(value, "chlen24b") == 0)
+		*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_CH_LEN_24B;
+
 	return 0;
 }
 
@@ -198,7 +202,7 @@ RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
 			      OTX2_MAX_SQB_COUNT "=<8-512>"
 			      OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
 			      OTX2_FLOW_MAX_PRIORITY "=<1-32>"
-			      OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
+			      OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b|chlen24b>"
 			      OTX2_RSS_TAG_AS_XOR "=1"
 			      OTX2_NPA_LOCK_MASK "=<1-65535>"
 			      OTX2_LOCK_RX_CTX "=1"
diff --git a/drivers/net/octeontx2/otx2_rss.c b/drivers/net/octeontx2/otx2_rss.c
index 3ba2366b8..7dbe5f69a 100644
--- a/drivers/net/octeontx2/otx2_rss.c
+++ b/drivers/net/octeontx2/otx2_rss.c
@@ -234,7 +234,7 @@ otx2_rss_ethdev_to_nix(struct otx2_eth_dev *dev, uint64_t ethdev_rss,
 	dev->rss_info.nix_rss = ethdev_rss;
 
 	if (ethdev_rss & ETH_RSS_L2_PAYLOAD &&
-	    dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_LEN_90B) {
+	    dev->npc_flow.switch_header_type == OTX2_PRIV_FLAGS_CH_LEN_90B) {
 		flowkey_cfg |= FLOW_KEY_TYPE_CH_LEN_90B;
 	}
 
