diff --git a/ncsid/src/platforms/nemora/portable/ncsi.h b/ncsid/src/platforms/nemora/portable/ncsi.h
new file mode 100644
index 0000000..18c535d
--- /dev/null
+++ b/ncsid/src/platforms/nemora/portable/ncsi.h
@@ -0,0 +1,420 @@
+#ifndef PLATFORMS_NEMORA_PORTABLE_NCSI_H_
+#define PLATFORMS_NEMORA_PORTABLE_NCSI_H_
+
+/*
+ * Module for interacting with NC-SI capable network cards.
+ *
+ * DMTF v1.0.0 NC-SI specification:
+ * http://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.0.0.pdf
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "platforms/nemora/portable/net_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __packed
+#define __packed __attribute__((packed))
+#endif
+
+// Define states for our NC-SI connection to the NIC.
+// There is no mapping to the NC-SI specification for these states, but they
+// reflect the outcome of NC-SI commands used in our configuration state
+// machine.
+//
+// 'DOWN' - while in this state, periodically restart the configuration state
+//   machine until it succeeds.
+// 'LOOPBACK' - the response to the first NC-SI command of the configuration
+//   state machine was identical to the command: from this we infer we are in
+//   loopback. While in this state, periodically restart the configuration state
+//   machine.
+// 'UP' - all commands were responded successfully, but need DHCP configuration
+//   to go to the next state. While in this state, the connection is tested
+//   periodically for failures, which can bring back to 'DOWN'.
+// 'UP_AND_CONFIGURED' - NC-SI OEM commands for L3/L4 configuration (which
+//   depend on DHCP configuration) were responded successfully. While in this
+//   state, the connection and configuration are tested periodically for
+//   failures, which can bring back to 'DOWN'.
+// 'DISABLED' - reset default state. As soon as network is enabled (which
+//   noticeably means that ProdID must be disabled), the state goes to DOWN.
+// TODO: connection state has nothing to do with ncsi protocol and needs
+// to be moved to ncsi_fsm.h. The main problem with the move is that
+// ncsi_client.h defines an extern function with this return type, that is used
+// in a lot of places that have no business including ncsi_fsm.h
+typedef enum {
+  NCSI_CONNECTION_DOWN,
+  NCSI_CONNECTION_LOOPBACK,
+  NCSI_CONNECTION_UP,
+  NCSI_CONNECTION_UP_AND_CONFIGURED,
+  NCSI_CONNECTION_DISABLED,
+} ncsi_connection_state_t;
+
+typedef enum {
+  NCSI_RESPONSE_NONE,
+  NCSI_RESPONSE_ACK,
+  NCSI_RESPONSE_NACK,
+  NCSI_RESPONSE_UNDERSIZED,
+  NCSI_RESPONSE_UNEXPECTED_TYPE,
+  NCSI_RESPONSE_UNEXPECTED_SIZE,
+  NCSI_RESPONSE_OEM_FORMAT_ERROR,
+  NCSI_RESPONSE_TIMEOUT,
+  NCSI_RESPONSE_UNEXPECTED_PARAMS,
+} ncsi_response_type_t;
+
+// For NC-SI Rev 1.0.0, the management controller ID (mc_id) is 0.
+#define NCSI_MC_ID 0
+// For NC-SI Rev 1.0.0, the header revision is 0x01.
+#define NCSI_HEADER_REV 1
+#define NCSI_ETHERTYPE 0x88F8
+#define NCSI_RESPONSE 0x80
+
+// Command IDs
+enum {
+  NCSI_CLEAR_INITIAL_STATE,
+  NCSI_SELECT_PACKAGE,
+  NCSI_DESELECT_PACKAGE,
+  NCSI_ENABLE_CHANNEL,
+  NCSI_DISABLE_CHANNEL,
+  NCSI_RESET_CHANNEL,
+  NCSI_ENABLE_CHANNEL_NETWORK_TX,
+  NCSI_DISABLE_CHANNEL_NETWORK_TX,
+  NCSI_AEN_ENABLE,
+  NCSI_SET_LINK,
+  NCSI_GET_LINK_STATUS,
+  NCSI_SET_VLAN_FILTER,
+  NCSI_ENABLE_VLAN,
+  NCSI_DISABLE_VLAN,
+  NCSI_SET_MAC_ADDRESS,
+  // 0x0F is not a valid command
+  NCSI_ENABLE_BROADCAST_FILTER = 0x10,
+  NCSI_DISABLE_BROADCAST_FILTER,
+  NCSI_ENABLE_GLOBAL_MULTICAST_FILTER,
+  NCSI_DISABLE_GLOBAL_MULTICAST_FILTER,
+  NCSI_SET_NCSI_FLOW_CONTROL,
+  NCSI_GET_VERSION_ID,
+  NCSI_GET_CAPABILITIES,
+  NCSI_GET_PARAMETERS,
+  NCSI_GET_CONTROLLER_PACKET_STATISTICS,
+  NCSI_GET_NCSI_STATISTICS,
+  NCSI_GET_PASSTHROUGH_STATISTICS,
+  // 0x1B-0x4F are not valid commands
+  NCSI_OEM_COMMAND = 0x50,
+};
+// OEM Command IDs (subtypes of NCSI_OEM_COMMAND)
+#define NCSI_OEM_COMMAND_GET_HOST_MAC 0x00
+#define NCSI_OEM_COMMAND_SET_FILTER 0x01
+#define NCSI_OEM_COMMAND_GET_FILTER 0x02
+#define NCSI_OEM_COMMAND_ECHO 0x03
+
+#define NCSI_OEM_MANUFACTURER_ID 11129  // IANA Enterprise Number for Google.
+#define NCSI_OEM_ECHO_PATTERN_SIZE 64
+
+/*
+ * NCSI command frame with packet header as described in section 8.2.1.
+ * Prepended with an ethernet header.
+ */
+typedef struct __packed {
+  eth_hdr_t ethhdr;
+  uint8_t mc_id;
+  uint8_t header_revision;
+  uint8_t reserved_00;
+  uint8_t instance_id;          // Destinguish retried commands from new ones.
+  uint8_t control_packet_type;  // See section 8.3, and Table 17.
+  uint8_t channel_id;
+  uint16_t payload_length;  // In Bytes. Excludes header, checksum, padding.
+  uint16_t reserved_01[4];
+} ncsi_header_t;
+
+/*
+ * Simple NCSI response packet.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+} ncsi_simple_response_t;
+
+/*
+ * Simple NCSI command packet.
+ */
+typedef struct {
+  ncsi_header_t hdr;
+} ncsi_simple_command_t;
+
+/*
+ * Get Link Status Response. 8.4.24
+ */
+typedef struct __packed {
+  uint32_t link_status;
+  uint32_t other_indications;
+  uint32_t oem_link_status;
+} ncsi_link_status_t;
+
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_link_status_t link_status;
+} ncsi_link_status_response_t;
+
+#define NCSI_LINK_STATUS_UP (1 << 0)
+
+/*
+ * Set MAC Address packet. 8.4.31
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  mac_addr_t mac_addr;
+  uint8_t mac_addr_num;
+  uint8_t misc;
+} ncsi_set_mac_command_t;
+
+/*
+ * Enable Broadcast Filter packet. 8.4.33
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint32_t filter_settings;
+} ncsi_enable_broadcast_filter_command_t;
+
+#define NCSI_BROADCAST_FILTER_MASK_ARP         (1 << 0)
+#define NCSI_BROADCAST_FILTER_MASK_DHCP_CLIENT (1 << 1)
+#define NCSI_BROADCAST_FILTER_MASK_DHCP_SERVER (1 << 2)
+#define NCSI_BROADCAST_FILTER_MASK_NETBIOS     (1 << 3)
+
+/*
+ * Get Version ID Response. 8.4.44
+ */
+typedef struct __packed {
+  struct {
+    uint8_t major;
+    uint8_t minor;
+    uint8_t update;
+    uint8_t alpha1;
+    uint8_t reserved[3];
+    uint8_t alpha2;
+  } ncsi_version;
+  uint8_t firmware_name_string[12];
+  uint32_t firmware_version;
+  uint16_t pci_did;
+  uint16_t pci_vid;
+  uint16_t pci_ssid;
+  uint16_t pci_svid;
+  uint32_t manufacturer_id;
+} ncsi_version_id_t;
+
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_version_id_t version;
+} ncsi_version_id_response_t;
+
+/*
+ * Get Capabilities Response 8.4.46
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  uint32_t capabilities_flags;
+  uint32_t broadcast_packet_filter_capabilties;
+  uint32_t multicast_packet_filter_capabilties;
+  uint32_t buffering_capability;
+  uint32_t aen_control_support;
+  uint8_t vlan_filter_count;
+  uint8_t mixed_filter_count;
+  uint8_t multicast_filter_count;
+  uint8_t unicast_filter_count;
+  uint16_t reserved;
+  uint8_t vlan_mode_support;
+  uint8_t channel_count;
+} ncsi_capabilities_response_t;
+
+/*
+ * Get Parameters Response 8.4.48
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  // TODO: Note: Mellanox 1.4 FW has mac count swapped with mac flags.
+  uint8_t mac_address_count;
+  uint16_t reserved_01;
+  uint8_t mac_address_flags;
+  uint8_t vlan_tag_count;
+  uint8_t reserved_02;
+  uint16_t vlan_tag_flags;
+  uint32_t link_settings;
+  uint32_t broadcast_settings;
+  uint32_t configuration_flags;
+  uint8_t vlan_mode;
+  uint8_t flow_control_enable;
+  uint16_t reserved_03;
+  uint32_t aen_control;
+  mac_addr_t mac_address[2];
+  // TODO: Variable number of mac address filters (max 8. See 8.4.48)
+  uint16_t vlan_tags[2];
+  // TODO: Variable of vlan filters (up to 15 based on 8.4.48)
+} ncsi_parameters_response_t;
+
+/*
+ * Get Passthrough statistics response. 8.4.54
+ *
+ * The legacy data structure matches MLX implementation up to vX
+ * (Google vX), however the standard requires the first field to be
+ * 64bits and MLX fixed it in vX (Google vX).
+ *
+ */
+typedef struct __packed {
+  uint32_t tx_packets_received;  // EC -> NIC
+  uint32_t tx_packets_dropped;
+  uint32_t tx_channel_errors;
+  uint32_t tx_undersized_errors;
+  uint32_t tx_oversized_errors;
+  uint32_t rx_packets_received;  // Network -> NIC
+  uint32_t rx_packets_dropped;
+  uint32_t rx_channel_errors;
+  uint32_t rx_undersized_errors;
+  uint32_t rx_oversized_errors;
+} ncsi_passthrough_stats_legacy_t;
+
+typedef struct __packed {
+  uint32_t tx_packets_received_hi;  // EC -> NIC (higher 32bit)
+  uint32_t tx_packets_received_lo;  // EC -> NIC (lower 32bit)
+  uint32_t tx_packets_dropped;
+  uint32_t tx_channel_errors;
+  uint32_t tx_undersized_errors;
+  uint32_t tx_oversized_errors;
+  uint32_t rx_packets_received;  // Network -> NIC
+  uint32_t rx_packets_dropped;
+  uint32_t rx_channel_errors;
+  uint32_t rx_undersized_errors;
+  uint32_t rx_oversized_errors;
+} ncsi_passthrough_stats_t;
+
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_passthrough_stats_legacy_t stats;
+} ncsi_passthrough_stats_legacy_response_t;
+
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_passthrough_stats_t stats;
+} ncsi_passthrough_stats_response_t;
+
+/*
+ * OEM extension header for custom commands.
+ */
+typedef struct __packed {
+  uint32_t manufacturer_id;
+  uint8_t reserved[3];
+  uint8_t oem_cmd;
+} ncsi_oem_extension_header_t;
+
+/*
+ * Response format for simple OEM command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_oem_extension_header_t oem_header;
+} ncsi_oem_simple_response_t;
+
+/*
+ * Response format for OEM get MAC command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_oem_extension_header_t oem_header;
+  uint16_t reserved0;
+  uint8_t mac[6];
+} ncsi_host_mac_response_t;
+
+/*
+ * Format for OEM filter.
+ */
+typedef struct __packed {
+  uint16_t reserved0;
+  uint8_t mac[6];
+  // If ip is set to zero, the filter will match any IP address, including any
+  // IPv6 address.
+  uint32_t ip;  // Network order
+  uint16_t port;  // Network order
+  uint8_t reserved1;
+  uint8_t flags;
+  uint8_t regid[8];
+} ncsi_oem_filter_t;
+
+// Set flags
+#define NCSI_OEM_FILTER_FLAGS_ENABLE      (0x01)
+
+// Get flags
+#define NCSI_OEM_FILTER_FLAGS_ENABLED     (0x01)
+#define NCSI_OEM_FILTER_FLAGS_REGISTERED  (0x02)
+#define NCSI_OEM_FILTER_FLAGS_HOSTLESS    (0x04)
+
+/*
+ * Command format for simple OEM command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  ncsi_oem_extension_header_t oem_header;
+} ncsi_oem_simple_cmd_t;
+
+/*
+ * Response format for OEM get filter command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_oem_extension_header_t oem_header;
+  ncsi_oem_filter_t filter;
+} ncsi_oem_get_filter_response_t;
+
+/*
+ * Command format for OEM set filter command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  ncsi_oem_extension_header_t oem_header;
+  ncsi_oem_filter_t filter;
+} ncsi_oem_set_filter_cmd_t;
+
+/*
+ * Command format for OEM echo command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  ncsi_oem_extension_header_t oem_header;
+  uint8_t pattern[NCSI_OEM_ECHO_PATTERN_SIZE];
+} ncsi_oem_echo_cmd_t;
+
+/*
+ * Response format for OEM echo command.
+ */
+typedef struct __packed {
+  ncsi_header_t hdr;
+  uint16_t response_code;
+  uint16_t reason_code;
+  ncsi_oem_extension_header_t oem_header;
+  uint8_t pattern[NCSI_OEM_ECHO_PATTERN_SIZE];
+} ncsi_oem_echo_response_t;
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif  // PLATFORMS_NEMORA_PORTABLE_NCSI_H_