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diff --git a/sys/dev/ice/irdma_if.m b/sys/dev/ice/irdma_if.m
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+# SPDX-License-Identifier: BSD-3-Clause 
+#  Copyright (c) 2024, Intel Corporation
+#  All rights reserved.
+#
+#  Redistribution and use in source and binary forms, with or without
+#  modification, are permitted provided that the following conditions are met:
+#
+#   1. Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#
+#   2. Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in the
+#      documentation and/or other materials provided with the distribution.
+#
+#   3. Neither the name of the Intel Corporation nor the names of its
+#      contributors may be used to endorse or promote products derived from
+#      this software without specific prior written permission.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+#  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+#  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+#  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+#  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+#  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+#  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+#  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+#  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+#  POSSIBILITY OF SUCH DAMAGE.
+
+/**
+ * @file irdma_if.m
+ * @brief RDMA client kobject interface
+ *
+ * KOBject methods implemented by the RDMA client driver. These functions will
+ * be called from the ice driver to notify the RDMA client driver of device
+ * driver events.
+ */
+#include "ice_rdma.h"
+
+INTERFACE irdma;
+
+/**
+ * probe - Notify the RDMA client driver that a peer device has been created
+ * @peer: the RDMA peer structure
+ *
+ * Called by the ice driver during attach to notify the RDMA client driver
+ * that a new PF has been initialized.
+ * @returns 0 on success, EIO, ENOMEM, EINVAL, EBUSY if a problem is encountered
+ */
+METHOD int probe {
+	struct ice_rdma_peer *peer;
+};
+
+/**
+ * open - Notify the RDMA client driver that a peer device has been opened
+ * @peer: the RDMA peer structure
+ *
+ * Called by the ice driver during the if_init routine to notify the RDMA
+ * client driver that a PF has been activated.
+ * @returns 0
+ */
+METHOD int open {
+	struct ice_rdma_peer *peer;
+};
+
+/**
+ * close - Notify the RDMA client driver that a peer device has closed
+ * @peer: the RDMA peer structure
+ *
+ * Called by the ice driver during the if_stop routine to notify the RDMA
+ * client driver that a PF has been deactivated.
+ * @returns 0
+ */
+METHOD int close {
+	struct ice_rdma_peer *peer;
+};
+
+/**
+ * remove - Notify the RDMA client driver that a peer device has been removed
+ * @peer: the RDMA peer structure
+ *
+ * Called by the ice driver during detach to notify the RDMA client driver
+ * that a PF has been removed.
+ * @returns 0
+ */
+METHOD int remove {
+	struct ice_rdma_peer *peer;
+}
+
+/**
+ * link_change - Notify the RDMA client driver that link status has changed
+ * @peer: the RDMA peer structure
+ * @linkstate: link status
+ * @baudrate: link rate in bits per second
+ *
+ * Called by the ice driver when link status changes to notify the RDMA client
+ * driver of the new status.
+ */
+METHOD void link_change {
+	struct ice_rdma_peer *peer;
+	int linkstate;
+	uint64_t baudrate;
+}
+
+METHOD void event_handler {
+	struct ice_rdma_peer *peer;
+	struct ice_rdma_event *event;
+}