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Vector Packet Processing
session_rules_table.h
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1 /*
2  * Copyright (c) 2017 Cisco and/or its affiliates.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef SRC_VNET_SESSION_SESSION_RULES_TABLE_H_
17 #define SRC_VNET_SESSION_SESSION_RULES_TABLE_H_
18 
19 #include <vnet/vnet.h>
20 #include <vnet/fib/fib.h>
21 #include <vnet/session/transport.h>
22 #include <vnet/session/mma_16.h>
23 #include <vnet/session/mma_40.h>
24 
25 /* *INDENT-OFF* */
26 typedef CLIB_PACKED (struct
27 {
28  union
29  {
30  struct
31  {
32  ip4_address_t rmt_ip;
33  ip4_address_t lcl_ip;
34  u16 rmt_port;
35  u16 lcl_port;
36  };
37  u64 as_u64[2];
38  };
39 }) session_mask_or_match_4_t;
40 
41 typedef CLIB_PACKED (struct
42 {
43  union
44  {
45  struct
46  {
47  ip6_address_t rmt_ip;
48  ip6_address_t lcl_ip;
49  u16 rmt_port;
50  u16 lcl_port;
51  };
52  u64 as_u64[5];
53  };
54 }) session_mask_or_match_6_t;
55 /* *INDENT-ON* */
56 
57 #define SESSION_RULE_TAG_MAX_LEN 64
58 #define SESSION_RULES_TABLE_INVALID_INDEX MMA_TABLE_INVALID_INDEX
59 #define SESSION_RULES_TABLE_ACTION_DROP (MMA_TABLE_INVALID_INDEX - 1)
60 #define SESSION_RULES_TABLE_ACTION_ALLOW (MMA_TABLE_INVALID_INDEX - 2)
61 
62 typedef struct _session_rules_table_add_del_args
63 {
64  fib_prefix_t lcl;
65  fib_prefix_t rmt;
66  u16 lcl_port;
67  u16 rmt_port;
68  u32 action_index;
69  u8 *tag;
70  u8 is_add;
72 
73 typedef struct _rule_tag
74 {
75  u8 *tag;
77 
78 typedef struct _session_rules_table_t
79 {
80  /**
81  * Per fib proto session rules tables
82  */
83  mma_rules_table_16_t session_rules_tables_16;
84  mma_rules_table_40_t session_rules_tables_40;
85  /**
86  * Hash table that maps tags to rules
87  */
88  uword *rules_by_tag;
89  /**
90  * Pool of rules tags
91  */
92  session_rule_tag_t *rule_tags;
93  /**
94  * Hash table that maps rule indices to tags
95  */
96  uword *tags_by_rules;
98 
100  ip4_address_t * lcl_ip,
101  ip4_address_t * rmt_ip, u16 lcl_port,
102  u16 rmt_port);
104  ip6_address_t * lcl_ip,
105  ip6_address_t * rmt_ip, u16 lcl_port,
106  u16 rmt_port);
108  session_rules_table_t * srt, u8 fib_proto);
110  session_rules_table_t * srt,
111  ip46_address_t * lcl_ip, u16 lcl_port,
112  ip46_address_t * rmt_ip, u16 rmt_port,
113  u8 is_ip4);
116  args);
118  u8 is_ip4);
120 #endif /* SRC_VNET_SESSION_SESSION_RULES_TABLE_H_ */
121 /*
122  * fd.io coding-style-patch-verification: ON
123  *
124  * Local Variables:
125  * eval: (c-set-style "gnu")
126  * End:
127  */
struct _session_rules_table_t session_rules_table_t
u64 as_u64
Definition: bihash_doc.h:63
unsigned long u64
Definition: types.h:89
u32 session_rules_table_lookup4(session_rules_table_t *srt, ip4_address_t *lcl_ip, ip4_address_t *rmt_ip, u16 lcl_port, u16 rmt_port)
unsigned char u8
Definition: types.h:56
Aggregrate type for a prefix.
Definition: fib_types.h:188
unsigned int u32
Definition: types.h:88
void session_rules_table_cli_dump(vlib_main_t *vm, session_rules_table_t *srt, u8 fib_proto)
struct _rule_tag session_rule_tag_t
unsigned short u16
Definition: types.h:57
void session_rules_table_show_rule(vlib_main_t *vm, session_rules_table_t *srt, ip46_address_t *lcl_ip, u16 lcl_port, ip46_address_t *rmt_ip, u16 rmt_port, u8 is_ip4)
void session_rules_table_init(session_rules_table_t *srt)
typedef CLIB_PACKED(struct{union{struct{ip4_address_t rmt_ip;ip4_address_t lcl_ip;u16 rmt_port;u16 lcl_port;};u64 as_u64[2];};}) session_mask_or_match_4_t
u64 uword
Definition: types.h:112
struct _session_rules_table_add_del_args session_rule_table_add_del_args_t
u32 session_rules_table_lookup6(session_rules_table_t *srt, ip6_address_t *lcl_ip, ip6_address_t *rmt_ip, u16 lcl_port, u16 rmt_port)
clib_error_t * session_rules_table_add_del(session_rules_table_t *srt, session_rule_table_add_del_args_t *args)
Add/delete session rule.
u8 * session_rules_table_rule_tag(session_rules_table_t *srt, u32 ri, u8 is_ip4)