-
Notifications
You must be signed in to change notification settings - Fork 137
/
Copy pathonvm_flow_dir.h
88 lines (83 loc) · 3.44 KB
/
onvm_flow_dir.h
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
/*********************************************************************
* openNetVM
* https://sdnfv.github.io
*
* BSD LICENSE
*
* Copyright(c)
* 2015-2019 George Washington University
* 2015-2019 University of California Riverside
* All rights reserved.
*
* 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 name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* 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.
*
* onvm_flow_dir.h - flow director APIs
********************************************************************/
#ifndef _ONVM_FLOW_DIR_H_
#define _ONVM_FLOW_DIR_H_
#include "onvm_common.h"
#include "onvm_flow_table.h"
extern struct onvm_ft* sdn_ft;
extern struct onvm_ft** sdn_ft_p;
struct onvm_flow_entry {
struct onvm_ft_ipv4_5tuple* key;
struct onvm_service_chain* sc;
uint64_t ref_cnt;
uint16_t idle_timeout;
uint16_t hard_timeout;
uint64_t packet_count;
uint64_t byte_count;
};
/* Get a pointer to the flow entry entry for this packet.
* Returns:
* 0 on success. *flow_entry points to this packet flow's flow entry
* -ENOENT if flow has not been added to table. *flow_entry points to flow entry
*/
int
onvm_flow_dir_init(void);
int
onvm_flow_dir_nf_init(void);
int
onvm_flow_dir_get_pkt(struct rte_mbuf* pkt, struct onvm_flow_entry** flow_entry);
int
onvm_flow_dir_add_pkt(struct rte_mbuf* pkt, struct onvm_flow_entry** flow_entry);
/* delete the flow dir entry, but do not free the service chain (useful if a service chain is pointed to by several
* different flows */
int
onvm_flow_dir_del_pkt(struct rte_mbuf* pkt);
/* Delete the flow dir entry and free the service chain */
int
onvm_flow_dir_del_and_free_pkt(struct rte_mbuf* pkt);
int
onvm_flow_dir_get_key(struct onvm_ft_ipv4_5tuple* key, struct onvm_flow_entry** flow_entry);
int
onvm_flow_dir_add_key(struct onvm_ft_ipv4_5tuple* key, struct onvm_flow_entry** flow_entry);
int
onvm_flow_dir_del_key(struct onvm_ft_ipv4_5tuple* key);
int
onvm_flow_dir_del_and_free_key(struct onvm_ft_ipv4_5tuple* key);
#endif // _ONVM_FLOW_DIR_H_