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
|
/*
* drivers/net/ethernet/mellanox/mlxsw/mlxsw_span.h
* Copyright (c) 2018 Mellanox Technologies. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MLXSW_SPECTRUM_SPAN_H
#define _MLXSW_SPECTRUM_SPAN_H
#include <linux/types.h>
struct mlxsw_sp;
struct mlxsw_sp_port;
enum mlxsw_sp_span_type {
MLXSW_SP_SPAN_EGRESS,
MLXSW_SP_SPAN_INGRESS
};
struct mlxsw_sp_span_inspected_port {
struct list_head list;
enum mlxsw_sp_span_type type;
u8 local_port;
};
struct mlxsw_sp_span_parms {
struct mlxsw_sp_port *dest_port; /* NULL for unoffloaded SPAN. */
};
struct mlxsw_sp_span_entry_ops;
struct mlxsw_sp_span_entry {
const struct net_device *to_dev;
const struct mlxsw_sp_span_entry_ops *ops;
struct mlxsw_sp_span_parms parms;
struct list_head bound_ports_list;
int ref_count;
int id;
};
struct mlxsw_sp_span_entry_ops {
bool (*can_handle)(const struct net_device *to_dev);
int (*parms)(const struct net_device *to_dev,
struct mlxsw_sp_span_parms *sparmsp);
int (*configure)(struct mlxsw_sp_span_entry *span_entry,
struct mlxsw_sp_span_parms sparms);
void (*deconfigure)(struct mlxsw_sp_span_entry *span_entry);
};
int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from,
const struct net_device *to_dev,
enum mlxsw_sp_span_type type,
bool bind, int *p_span_id);
void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, int span_id,
enum mlxsw_sp_span_type type, bool bind);
struct mlxsw_sp_span_entry *
mlxsw_sp_span_entry_find_by_port(struct mlxsw_sp *mlxsw_sp,
const struct net_device *to_dev);
void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_span_entry *span_entry);
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
#endif
|
