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

source code of linux/drivers/net/ethernet/chelsio/cxgb4/t4_tcb.h