1/*
2 * This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
3 *
4 * Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses.  You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 *     Redistribution and use in source and binary forms, with or
13 *     without modification, are permitted provided that the following
14 *     conditions are met:
15 *
16 *      - Redistributions of source code must retain the above
17 *        copyright notice, this list of conditions and the following
18 *        disclaimer.
19 *
20 *      - Redistributions in binary form must reproduce the above
21 *        copyright notice, this list of conditions and the following
22 *        disclaimer in the documentation and/or other materials
23 *        provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#ifndef __T4_TCB_H
36#define __T4_TCB_H
37
38#define TCB_L2T_IX_W		0
39#define TCB_L2T_IX_S		12
40#define TCB_L2T_IX_M		0xfffULL
41#define TCB_L2T_IX_V(x)		((x) << TCB_L2T_IX_S)
42
43#define TCB_T_FLAGS_W           1
44#define TCB_T_FLAGS_S           0
45#define TCB_T_FLAGS_M           0xffffffffffffffffULL
46#define TCB_T_FLAGS_V(x)        ((__u64)(x) << TCB_T_FLAGS_S)
47
48#define TCB_FIELD_COOKIE_TFLAG	1
49
50#define TCB_SMAC_SEL_W		0
51#define TCB_SMAC_SEL_S		24
52#define TCB_SMAC_SEL_M		0xffULL
53#define TCB_SMAC_SEL_V(x)	((x) << TCB_SMAC_SEL_S)
54
55#define TCB_T_FLAGS_W		1
56#define TCB_T_FLAGS_S		0
57#define TCB_T_FLAGS_M		0xffffffffffffffffULL
58#define TCB_T_FLAGS_V(x)	((__u64)(x) << TCB_T_FLAGS_S)
59
60#define TF_DROP_S		22
61#define TF_DIRECT_STEER_S	23
62#define TF_LPBK_S		59
63
64#define TF_CCTRL_ECE_S		60
65#define TF_CCTRL_CWR_S		61
66#define TF_CCTRL_RFR_S		62
67
68#define TCB_RSS_INFO_W		3
69#define TCB_RSS_INFO_S		0
70#define TCB_RSS_INFO_M		0x3ffULL
71#define TCB_RSS_INFO_V(x)	((x) << TCB_RSS_INFO_S)
72
73#define TCB_T_STATE_W		3
74#define TCB_T_STATE_S		16
75#define TCB_T_STATE_M		0xfULL
76#define TCB_T_STATE_V(x)	((x) << TCB_T_STATE_S)
77
78#define TCB_TIMESTAMP_W		5
79#define TCB_TIMESTAMP_S		0
80#define TCB_TIMESTAMP_M		0xffffffffULL
81#define TCB_TIMESTAMP_V(x)	((x) << TCB_TIMESTAMP_S)
82
83#define TCB_RTT_TS_RECENT_AGE_W		6
84#define TCB_RTT_TS_RECENT_AGE_S		0
85#define TCB_RTT_TS_RECENT_AGE_M		0xffffffffULL
86#define TCB_RTT_TS_RECENT_AGE_V(x)	((x) << TCB_RTT_TS_RECENT_AGE_S)
87
88#define TCB_T_RTSEQ_RECENT_W    7
89#define TCB_T_RTSEQ_RECENT_S    0
90#define TCB_T_RTSEQ_RECENT_M    0xffffffffULL
91#define TCB_T_RTSEQ_RECENT_V(x) ((x) << TCB_T_RTSEQ_RECENT_S)
92
93#define TCB_TX_MAX_W		9
94#define TCB_TX_MAX_S		0
95#define TCB_TX_MAX_M		0xffffffffULL
96#define TCB_TX_MAX_V(x)		((x) << TCB_TX_MAX_S)
97
98#define TCB_SND_UNA_RAW_W	10
99#define TCB_SND_UNA_RAW_S	0
100#define TCB_SND_UNA_RAW_M	0xfffffffULL
101#define TCB_SND_UNA_RAW_V(x)	((x) << TCB_SND_UNA_RAW_S)
102
103#define TCB_SND_NXT_RAW_W	10
104#define TCB_SND_NXT_RAW_S	28
105#define TCB_SND_NXT_RAW_M	0xfffffffULL
106#define TCB_SND_NXT_RAW_V(x)	((x) << TCB_SND_NXT_RAW_S)
107
108#define TCB_SND_MAX_RAW_W	11
109#define TCB_SND_MAX_RAW_S	24
110#define TCB_SND_MAX_RAW_M	0xfffffffULL
111#define TCB_SND_MAX_RAW_V(x)	((x) << TCB_SND_MAX_RAW_S)
112
113#define TCB_RCV_NXT_W		16
114#define TCB_RCV_NXT_S		10
115#define TCB_RCV_NXT_M		0xffffffffULL
116#define TCB_RCV_NXT_V(x)	((x) << TCB_RCV_NXT_S)
117
118#define TCB_RCV_WND_W		17
119#define TCB_RCV_WND_S		10
120#define TCB_RCV_WND_M		0xffffffULL
121#define TCB_RCV_WND_V(x)	((x) << TCB_RCV_WND_S)
122
123#define TCB_RX_FRAG2_PTR_RAW_W	27
124#define TCB_RX_FRAG3_LEN_RAW_W	29
125#define TCB_RX_FRAG3_START_IDX_OFFSET_RAW_W	30
126#define TCB_PDU_HDR_LEN_W	31
127
128#define TCB_RQ_START_W		30
129#define TCB_RQ_START_S		0
130#define TCB_RQ_START_M		0x3ffffffULL
131#define TCB_RQ_START_V(x)	((x) << TCB_RQ_START_S)
132
133#define TF_RX_PDU_OUT_S		49
134#define TF_RX_PDU_OUT_V(x)	((__u64)(x) << TF_RX_PDU_OUT_S)
135
136#define TF_CORE_BYPASS_S	63
137#define TF_CORE_BYPASS_V(x)	((__u64)(x) << TF_CORE_BYPASS_S)
138#define TF_CORE_BYPASS_F	TF_CORE_BYPASS_V(1)
139
140#define TF_NON_OFFLOAD_S	1
141#define TF_NON_OFFLOAD_V(x)	((x) << TF_NON_OFFLOAD_S)
142#define TF_NON_OFFLOAD_F	TF_NON_OFFLOAD_V(1)
143
144#endif /* __T4_TCB_H */
145