1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
* This file is part of the Chelsio T4/T5/T6 Ethernet driver for Linux.
*
* Copyright (c) 2017 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __CXGB4_TC_FLOWER_H
#define __CXGB4_TC_FLOWER_H
#include <net/pkt_cls.h>
struct ch_tc_flower_stats {
u64 prev_packet_count;
u64 packet_count;
u64 byte_count;
u64 last_used;
};
struct ch_tc_flower_entry {
struct ch_filter_specification fs;
struct ch_tc_flower_stats stats;
unsigned long tc_flower_cookie;
struct rhash_head node;
struct rcu_head rcu;
spinlock_t lock; /* lock for stats */
u32 filter_id;
};
enum {
ETH_DMAC_31_0, /* dmac bits 0.. 31 */
ETH_DMAC_47_32, /* dmac bits 32..47 */
ETH_SMAC_15_0, /* smac bits 0.. 15 */
ETH_SMAC_47_16, /* smac bits 16..47 */
IP4_SRC, /* 32-bit IPv4 src */
IP4_DST, /* 32-bit IPv4 dst */
IP6_SRC_31_0, /* src bits 0.. 31 */
IP6_SRC_63_32, /* src bits 63.. 32 */
IP6_SRC_95_64, /* src bits 95.. 64 */
IP6_SRC_127_96, /* src bits 127..96 */
IP6_DST_31_0, /* dst bits 0.. 31 */
IP6_DST_63_32, /* dst bits 63.. 32 */
IP6_DST_95_64, /* dst bits 95.. 64 */
IP6_DST_127_96, /* dst bits 127..96 */
TCP_SPORT, /* 16-bit TCP sport */
TCP_DPORT, /* 16-bit TCP dport */
UDP_SPORT, /* 16-bit UDP sport */
UDP_DPORT, /* 16-bit UDP dport */
};
struct ch_tc_pedit_fields {
u8 field;
u8 size;
u32 offset;
};
#define PEDIT_FIELDS(type, field, size, fs_field, offset) \
{ type## field, size, \
offsetof(struct ch_filter_specification, fs_field) + (offset) }
#define PEDIT_ETH_DMAC_MASK 0xffff
#define PEDIT_TCP_UDP_SPORT_MASK 0xffff
#define PEDIT_ETH_DMAC_31_0 0x0
#define PEDIT_ETH_DMAC_47_32_SMAC_15_0 0x4
#define PEDIT_ETH_SMAC_47_16 0x8
#define PEDIT_IP4_SRC 0xC
#define PEDIT_IP4_DST 0x10
#define PEDIT_IP6_SRC_31_0 0x8
#define PEDIT_IP6_SRC_63_32 0xC
#define PEDIT_IP6_SRC_95_64 0x10
#define PEDIT_IP6_SRC_127_96 0x14
#define PEDIT_IP6_DST_31_0 0x18
#define PEDIT_IP6_DST_63_32 0x1C
#define PEDIT_IP6_DST_95_64 0x20
#define PEDIT_IP6_DST_127_96 0x24
#define PEDIT_TCP_SPORT_DPORT 0x0
#define PEDIT_UDP_SPORT_DPORT 0x0
enum cxgb4_action_natmode_flags {
CXGB4_ACTION_NATMODE_NONE = 0,
CXGB4_ACTION_NATMODE_DIP = (1 << 0),
CXGB4_ACTION_NATMODE_SIP = (1 << 1),
CXGB4_ACTION_NATMODE_DPORT = (1 << 2),
CXGB4_ACTION_NATMODE_SPORT = (1 << 3),
};
/* TC PEDIT action to NATMODE translation entry */
struct cxgb4_natmode_config {
enum chip_type chip;
u8 flags;
u8 natmode;
};
void cxgb4_process_flow_actions(struct net_device *in,
struct flow_action *actions,
struct ch_filter_specification *fs);
int cxgb4_validate_flow_actions(struct net_device *dev,
struct flow_action *actions,
struct netlink_ext_ack *extack,
u8 matchall_filter);
int cxgb4_tc_flower_replace(struct net_device *dev,
struct flow_cls_offload *cls);
int cxgb4_tc_flower_destroy(struct net_device *dev,
struct flow_cls_offload *cls);
int cxgb4_tc_flower_stats(struct net_device *dev,
struct flow_cls_offload *cls);
int cxgb4_flow_rule_replace(struct net_device *dev, struct flow_rule *rule,
u32 tc_prio, struct netlink_ext_ack *extack,
struct ch_filter_specification *fs, u32 *tid);
int cxgb4_flow_rule_destroy(struct net_device *dev, u32 tc_prio,
struct ch_filter_specification *fs, int tid);
int cxgb4_init_tc_flower(struct adapter *adap);
void cxgb4_cleanup_tc_flower(struct adapter *adap);
#endif /* __CXGB4_TC_FLOWER_H */
|
