--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Chelsio Communications.
+ * All rights reserved.
+ */
+
+#ifndef _T4_TCB_DEFS_H
+#define _T4_TCB_DEFS_H
+
+/* 105:96 */
+#define W_TCB_RSS_INFO 3
+#define S_TCB_RSS_INFO 0
+#define M_TCB_RSS_INFO 0x3ffULL
+#define V_TCB_RSS_INFO(x) ((x) << S_TCB_RSS_INFO)
+
+/* 191:160 */
+#define W_TCB_TIMESTAMP 5
+#define S_TCB_TIMESTAMP 0
+#define M_TCB_TIMESTAMP 0xffffffffULL
+#define V_TCB_TIMESTAMP(x) ((x) << S_TCB_TIMESTAMP)
+
+/* 223:192 */
+#define S_TCB_T_RTT_TS_RECENT_AGE 0
+#define M_TCB_T_RTT_TS_RECENT_AGE 0xffffffffULL
+#define V_TCB_T_RTT_TS_RECENT_AGE(x) ((x) << S_TCB_T_RTT_TS_RECENT_AGE)
+
+#endif /* _T4_TCB_DEFS_H */