diff --git a/user_channel/channel_layer.hpp b/user_channel/channel_layer.hpp
new file mode 100644
index 0000000..4c931df
--- /dev/null
+++ b/user_channel/channel_layer.hpp
@@ -0,0 +1,275 @@
+/*
+// Copyright (c) 2018 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+#pragma once
+#include <host-ipmid/ipmid-api.h>
+
+#include <string>
+
+namespace ipmi
+{
+
+static constexpr uint8_t maxIpmiChannels = 16;
+
+// IPMI return codes specific to channel
+enum ipmi_channel_return_codes
+{
+    IPMI_CC_ACTION_NOT_SUPPORTED_FOR_CHANNEL = 0x82,
+    IPMI_CC_ACCESS_MODE_NOT_SUPPORTED_FOR_CHANEL = 0x83
+};
+
+// IPMI Spec: Channel Protocol Type
+enum class EChannelProtocolType : uint8_t
+{
+    na = 0x00,
+    ipmbV10 = 0x01,
+    icmbV11 = 0x02,
+    reserved = 0x03,
+    ipmiSmbus = 0x04,
+    kcs = 0x05,
+    smic = 0x06,
+    bt10 = 0x07,
+    bt15 = 0x08,
+    tMode = 0x09,
+    oem = 0x1C,
+};
+
+// IPMI Spec: Channel Medium Type
+enum class EChannelMediumType : uint8_t
+{
+    reserved = 0x00,
+    ipmb = 0x01,
+    icmbV10 = 0x02,
+    icmbV09 = 0x03,
+    lan8032 = 0x04,
+    serial = 0x05,
+    otherLan = 0x06,
+    pciSmbus = 0x07,
+    smbusV11 = 0x08,
+    smbusV20 = 0x09,
+    usbV1x = 0x0A,
+    usbV2x = 0x0B,
+    systemInterface = 0x0C,
+    oem = 0x60,
+    unknown = 0x82,
+};
+
+// IPMI Spec: Channel Session Type
+enum class EChannelSessSupported : uint8_t
+{
+    none = 0,
+    single = 1,
+    multi = 2,
+    any = 3,
+};
+
+// IPMI Spec: Channel Access Mode
+enum class EChannelAccessMode : uint8_t
+{
+    disabled = 0,
+    preboot = 1,
+    alwaysAvail = 2,
+    shared = 3,
+};
+
+// IPMI Spec 2.0 : Authentication Types
+enum class EAuthType : uint8_t
+{
+    none = (1 << 0x0),
+    md2 = (1 << 0x1),
+    md5 = (1 << 0x2),
+    reserved = (1 << 0x3),
+    straightPasswd = (1 << 0x4),
+    oem = (1 << 0x5),
+};
+
+// IPMI Spec: Access mode for channel access set/get
+typedef enum
+{
+    doNotSet = 0x00,
+    nvData = 0x01,
+    activeData = 0x02,
+    reserved = 0x03,
+} EChannelActionType;
+
+enum AccessSetFlag
+{
+    setAccessMode = (1 << 0),
+    setUserAuthEnabled = (1 << 1),
+    setMsgAuthEnabled = (1 << 2),
+    setAlertingEnabled = (1 << 3),
+    setPrivLimit = (1 << 4),
+};
+
+// Struct to store channel access data
+struct ChannelAccess
+{
+    uint8_t accessMode;
+    bool userAuthDisabled;
+    bool perMsgAuthDisabled;
+    bool alertingDisabled;
+    uint8_t privLimit;
+};
+
+// Struct store channel info data
+struct ChannelInfo
+{
+    uint8_t mediumType;
+    uint8_t protocolType;
+    uint8_t sessionSupported;
+    bool isIpmi; // Is session IPMI
+    // This is used in Get LAN Configuration parameter.
+    // This holds the supported AuthTypes for a given channel.
+    uint8_t authTypeSupported;
+};
+
+/** @brief determines valid channel
+ *
+ *  @param[in] chNum- channel number
+ *
+ *  @return true if valid, false otherwise
+ */
+bool isValidChannel(const uint8_t& chNum);
+
+/** @brief determines whether channel device exist
+ *
+ *  @param[in] chNum - channel number
+ *
+ *  @return true if valid, false otherwise
+ */
+bool doesDeviceExist(const uint8_t& chNum);
+
+/** @brief determines whether privilege limit is valid
+ *
+ *  @param[in] privLimit - Privilege limit
+ *
+ *  @return true if valid, false otherwise
+ */
+bool isValidPrivLimit(const uint8_t& privLimit);
+
+/** @brief determines whether access mode  is valid
+ *
+ *  @param[in] accessMode - Access mode
+ *
+ *  @return true if valid, false otherwise
+ */
+bool isValidAccessMode(const uint8_t& accessMode);
+
+/** @brief determines valid authentication type based on channel number
+ *
+ *  @param[in] chNum - channel number
+ *  @param[in] authType - authentication type
+ *
+ *  @return true if valid, false otherwise
+ */
+bool isValidAuthType(const uint8_t& chNum, const EAuthType& authType);
+
+/** @brief determines supported session type of a channel
+ *
+ *  @param[in] chNum - channel number
+ *
+ *  @return EChannelSessSupported - supported session type
+ */
+EChannelSessSupported getChannelSessionSupport(const uint8_t& chNum);
+
+/** @brief determines number of active sessions on a channel
+ *
+ *  @param[in] chNum - channel number
+ *
+ *  @return numer of active sessions
+ */
+int getChannelActiveSessions(const uint8_t& chNum);
+
+/** @brief initializes channel management
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t ipmiChannelInit();
+
+/** @brief provides channel info details
+ *
+ *  @param[in] chNum - channel number
+ *  @param[out] chInfo - channel info details
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t getChannelInfo(const uint8_t& chNum, ChannelInfo& chInfo);
+
+/** @brief provides channel access data
+ *
+ *  @param[in] chNum - channel number
+ *  @param[out] chAccessData -channel access data
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t getChannelAccessData(const uint8_t& chNum,
+                                ChannelAccess& chAccessData);
+
+/** @brief to set channel access data
+ *
+ *  @param[in] chNum - channel number
+ *  @param[in] chAccessData - channel access data
+ *  @param[in] setFlag - flag to indicate updatable fields
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t setChannelAccessData(const uint8_t& chNum,
+                                const ChannelAccess& chAccessData,
+                                const uint8_t& setFlag);
+
+/** @brief to get channel access data persistent data
+ *
+ *  @param[in] chNum - channel number
+ *  @param[out] chAccessData - channel access data
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t getChannelAccessPersistData(const uint8_t& chNum,
+                                       ChannelAccess& chAccessData);
+
+/** @brief to set channel access data persistent data
+ *
+ *  @param[in] chNum - channel number
+ *  @param[in] chAccessData - channel access data
+ *  @param[in] setFlag - flag to indicate updatable fields
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t setChannelAccessPersistData(const uint8_t& chNum,
+                                       const ChannelAccess& chAccessData,
+                                       const uint8_t& setFlag);
+
+/** @brief provides supported authentication type for the channel
+ *
+ *  @param[in] chNum - channel number
+ *  @param[out] authTypeSupported - supported authentication type
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t getChannelAuthTypeSupported(const uint8_t& chNum,
+                                       uint8_t& authTypeSupported);
+
+/** @brief provides enabled authentication type for the channel
+ *
+ *  @param[in] chNum - channel number
+ *  @param[in] priv - privilege
+ *  @param[out] authType - enabled authentication type
+ *
+ *  @return IPMI_CC_OK for success, others for failure.
+ */
+ipmi_ret_t getChannelEnabledAuthType(const uint8_t& chNum, const uint8_t& priv,
+                                     EAuthType& authType);
+
+} // namespace ipmi