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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef included_vnet_flow_flow_h
#define included_vnet_flow_flow_h
#include <vppinfra/clib.h>
#include <vnet/unix/pcap.h>
#include <vnet/l3_types.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
#define foreach_flow_type \
_(IP4_N_TUPLE, ip4_n_tuple, "ipv4-n-tuple") \
_(IP6_N_TUPLE, ip6_n_tuple, "ipv4-n-tuple") \
_(IP4_VXLAN, ip4_vxlan, "ipv4-vxlan") \
_(IP6_VXLAN, ip6_vxlan, "ipv6-vxlan")
#define foreach_flow_entry_ip4_n_tuple \
_fe(ip4_address_and_mask_t, src_addr) \
_fe(ip4_address_and_mask_t, dst_addr) \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port) \
_fe(ip_protocol_t, protocol)
#define foreach_flow_entry_ip6_n_tuple \
_fe(ip6_address_and_mask_t, src_addr) \
_fe(ip6_address_and_mask_t, dst_addr) \
_fe(ip_port_and_mask_t, src_port) \
_fe(ip_port_and_mask_t, dst_port) \
_fe(ip_protocol_t, protocol)
#define foreach_flow_entry_ip4_vxlan \
_fe(ip4_address_t, src_addr) \
_fe(ip4_address_t, dst_addr) \
_fe(u16, dst_port) \
_fe(u16, vni)
#define foreach_flow_entry_ip6_vxlan \
_fe(ip6_address_t, src_addr) \
_fe(ip6_address_t, dst_addr) \
_fe(u16, dst_port) \
_fe(u16, vni)
#define foreach_flow_action \
_(0, COUNT, "count") \
_(1, MARK, "mark") \
_(2, BUFFER_ADVANCE, "buffer-advance") \
_(3, REDIRECT_TO_NODE, "redirect-to-node") \
_(4, REDIRECT_TO_QUEUE, "redirect-to-queue") \
_(5, DROP, "drop")
typedef enum
{
#define _(v,n,s) VNET_FLOW_ACTION_##n = (1 << v),
foreach_flow_action
#undef _
} vnet_flow_action_t;
#define foreach_flow_error \
_( -1, NOT_SUPPORTED, "not supported") \
_( -2, ALREADY_DONE, "already done") \
_( -3, ALREADY_EXISTS, "already exists") \
_( -4, NO_SUCH_ENTRY, "no such entry") \
_( -5, NO_SUCH_INTERFACE, "no such interface") \
_( -6, INTERNAL, "internal error")
typedef enum
{
VNET_FLOW_NO_ERROR = 0,
#define _(v,n,s) VNET_FLOW_ERROR_##n = v,
foreach_flow_error
#undef _
} vnet_flow_error_t;
typedef struct
{
u16 port, mask;
} ip_port_and_mask_t;
typedef enum
{
VNET_FLOW_TYPE_UNKNOWN,
#define _(a,b,c) VNET_FLOW_TYPE_##a,
foreach_flow_type
#undef _
VNET_FLOW_N_TYPES,
} vnet_flow_type_t;
/*
* Create typedef struct vnet_flow_XXX_t
*/
#define _fe(a, b) a b;
#define _(a,b,c) \
typedef struct { \
int foo; \
foreach_flow_entry_##b \
} vnet_flow_##b##_t;
foreach_flow_type;
#undef _
#undef _fe
/* main flow struct */
typedef struct
{
/* flow type */
vnet_flow_type_t type;
/* flow index */
u32 index;
/* bitmap of flow actions (VNET_FLOW_ACTION_*) */
u32 actions;
/* flow id for VNET_FLOW_ACTION_MARK */
u32 mark_flow_id;
/* node index and next index for VNET_FLOW_ACTION_REDIRECT_TO_NODE */
u32 redirect_node_index;
u32 redirect_device_input_next_index;
/* queue for VNET_FLOW_ACTION_REDIRECT_TO_QUEUE */
u32 redirect_queue;
/* buffer offset for VNET_FLOW_ACTION_BUFFER_ADVANCE */
i32 buffer_advance;
union
{
#define _(a,b,c) vnet_flow_##b##_t b;
foreach_flow_type
#undef _
};
/* per-interface private data */
uword *private_data;
} vnet_flow_t;
int vnet_flow_get_range (vnet_main_t * vnm, char *owner, u32 count,
u32 * start);
int vnet_flow_add (vnet_main_t * vnm, vnet_flow_t * flow, u32 * flow_index);
int vnet_flow_enable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
int vnet_flow_disable (vnet_main_t * vnm, u32 flow_index, u32 hw_if_index);
int vnet_flow_del (vnet_main_t * vnm, u32 flow_index);
vnet_flow_t *vnet_get_flow (u32 flow_index);
typedef struct
{
u32 start;
u32 count;
u8 *owner;
} vnet_flow_range_t;
typedef struct
{
/* pool of device flow entries */
vnet_flow_t *global_flow_pool;
/* flow ids allocated */
u32 flows_used;
/* vector of flow ranges */
vnet_flow_range_t *ranges;
} vnet_flow_main_t;
extern vnet_flow_main_t flow_main;
format_function_t format_flow_actions;
format_function_t format_flow_enabled_hw;
#endif /* included_vnet_flow_flow_h */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
|
