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