i40e: fix potential NULL pointer dereferencing
[linux-block.git] / drivers / net / ethernet / chelsio / cxgb4 / t4_tcb.h
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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
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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
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43#define TCB_SMAC_SEL_W 0
44#define TCB_SMAC_SEL_S 24
45#define TCB_SMAC_SEL_M 0xffULL
46#define TCB_SMAC_SEL_V(x) ((x) << TCB_SMAC_SEL_S)
47
48#define TCB_T_FLAGS_W 1
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49#define TCB_T_FLAGS_S 0
50#define TCB_T_FLAGS_M 0xffffffffffffffffULL
51#define TCB_T_FLAGS_V(x) ((__u64)(x) << TCB_T_FLAGS_S)
52
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53#define TF_DROP_S 22
54#define TF_DIRECT_STEER_S 23
55#define TF_LPBK_S 59
56
12b276fb 57#define TF_CCTRL_ECE_S 60
3bdb376e 58#define TF_CCTRL_CWR_S 61
12b276fb 59#define TF_CCTRL_RFR_S 62
3bdb376e 60
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61#define TCB_RSS_INFO_W 3
62#define TCB_RSS_INFO_S 0
63#define TCB_RSS_INFO_M 0x3ffULL
64#define TCB_RSS_INFO_V(x) ((x) << TCB_RSS_INFO_S)
65
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66#define TCB_T_STATE_W 3
67#define TCB_T_STATE_S 16
68#define TCB_T_STATE_M 0xfULL
69#define TCB_T_STATE_V(x) ((x) << TCB_T_STATE_S)
70
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71#define TCB_TIMESTAMP_W 5
72#define TCB_TIMESTAMP_S 0
73#define TCB_TIMESTAMP_M 0xffffffffULL
74#define TCB_TIMESTAMP_V(x) ((x) << TCB_TIMESTAMP_S)
75
76#define TCB_RTT_TS_RECENT_AGE_W 6
77#define TCB_RTT_TS_RECENT_AGE_S 0
78#define TCB_RTT_TS_RECENT_AGE_M 0xffffffffULL
79#define TCB_RTT_TS_RECENT_AGE_V(x) ((x) << TCB_RTT_TS_RECENT_AGE_S)
80
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81#define TCB_T_RTSEQ_RECENT_W 7
82#define TCB_T_RTSEQ_RECENT_S 0
83#define TCB_T_RTSEQ_RECENT_M 0xffffffffULL
84#define TCB_T_RTSEQ_RECENT_V(x) ((x) << TCB_T_RTSEQ_RECENT_S)
85
86#define TCB_TX_MAX_W 9
87#define TCB_TX_MAX_S 0
88#define TCB_TX_MAX_M 0xffffffffULL
89#define TCB_TX_MAX_V(x) ((x) << TCB_TX_MAX_S)
90
12b276fb 91#define TCB_SND_UNA_RAW_W 10
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92#define TCB_SND_UNA_RAW_S 0
93#define TCB_SND_UNA_RAW_M 0xfffffffULL
94#define TCB_SND_UNA_RAW_V(x) ((x) << TCB_SND_UNA_RAW_S)
95
96#define TCB_SND_NXT_RAW_W 10
97#define TCB_SND_NXT_RAW_S 28
98#define TCB_SND_NXT_RAW_M 0xfffffffULL
99#define TCB_SND_NXT_RAW_V(x) ((x) << TCB_SND_NXT_RAW_S)
100
101#define TCB_SND_MAX_RAW_W 11
102#define TCB_SND_MAX_RAW_S 24
103#define TCB_SND_MAX_RAW_M 0xfffffffULL
104#define TCB_SND_MAX_RAW_V(x) ((x) << TCB_SND_MAX_RAW_S)
105
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106#define TCB_RCV_NXT_W 16
107#define TCB_RCV_NXT_S 10
108#define TCB_RCV_NXT_M 0xffffffffULL
109#define TCB_RCV_NXT_V(x) ((x) << TCB_RCV_NXT_S)
110
111#define TCB_RCV_WND_W 17
112#define TCB_RCV_WND_S 10
113#define TCB_RCV_WND_M 0xffffffULL
114#define TCB_RCV_WND_V(x) ((x) << TCB_RCV_WND_S)
115
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116#define TCB_RX_FRAG2_PTR_RAW_W 27
117#define TCB_RX_FRAG3_LEN_RAW_W 29
118#define TCB_RX_FRAG3_START_IDX_OFFSET_RAW_W 30
119#define TCB_PDU_HDR_LEN_W 31
e381a1cb 120
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121#define TCB_RQ_START_W 30
122#define TCB_RQ_START_S 0
123#define TCB_RQ_START_M 0x3ffffffULL
124#define TCB_RQ_START_V(x) ((x) << TCB_RQ_START_S)
125
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126#define TF_RX_PDU_OUT_S 49
127#define TF_RX_PDU_OUT_V(x) ((__u64)(x) << TF_RX_PDU_OUT_S)
128
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129#define TF_CORE_BYPASS_S 63
130#define TF_CORE_BYPASS_V(x) ((__u64)(x) << TF_CORE_BYPASS_S)
131#define TF_CORE_BYPASS_F TF_CORE_BYPASS_V(1)
132
133#define TF_NON_OFFLOAD_S 1
134#define TF_NON_OFFLOAD_V(x) ((x) << TF_NON_OFFLOAD_S)
135#define TF_NON_OFFLOAD_F TF_NON_OFFLOAD_V(1)
136
3bdb376e 137#endif /* __T4_TCB_H */