aboutsummaryrefslogtreecommitdiffstats
path: root/src/vnet/policer/xlate.h
blob: 16742f80a471edfa1c553fb4305f6bfc21d1dc2b (plain)
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
/*
 * Copyright (c) 2015 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.
 */
/*---------------------------------------------------------------------------
 * from gdp_logical_qos.h
 *---------------------------------------------------------------------------
 */

#ifndef __included_xlate_h__
#define __included_xlate_h__

#include <vnet/policer/police.h>

/*
 * edt: * enum sse2_qos_policer_type_en
 *  Defines type of policer to be allocated
 */
typedef enum sse2_qos_policer_type_en_
{
  SSE2_QOS_POLICER_TYPE_1R2C = 0,
  SSE2_QOS_POLICER_TYPE_1R3C_RFC_2697 = 1,
  SSE2_QOS_POLICER_TYPE_2R3C_RFC_2698 = 2,
  SSE2_QOS_POLICER_TYPE_2R3C_RFC_4115 = 3,
  SSE2_QOS_POLICER_TYPE_2R3C_RFC_MEF5CF1 = 4,
  SSE2_QOS_POLICER_TYPE_MAX
} sse2_qos_policer_type_en;

/*
 * edt: * enum
 *  Enum used to define type of rounding used when calculating policer values
 */
typedef enum
{
  SSE2_QOS_ROUND_TO_CLOSEST = 0,
  SSE2_QOS_ROUND_TO_UP,
  SSE2_QOS_ROUND_TO_DOWN,
  SSE2_QOS_ROUND_INVALID
} sse2_qos_round_type_en;

/*
 * edt: * enum
 *  Enum used to define type of rate for configuration, either pps or kbps.
 *  If kbps, then burst is in bytes, if pps, then burst is in ms.
 *
 *  Default of zero is kbps, which is inline with how it is programmed
 *  in actual hardware.  However, the warning is that this is reverse logic
 *  of units_in_bits field in sse2_static_policer_parameters_st, which is
 *  inline with sse_punt_drop.h.
 */
typedef enum
{
  SSE2_QOS_RATE_KBPS = 0,
  SSE2_QOS_RATE_PPS,
  SSE2_QOS_RATE_INVALID
} sse2_qos_rate_type_en;

/*
 * edt: * enum
 * Defines type of policer actions.
 */
typedef enum
{
  SSE2_QOS_ACTION_DROP = 0,
  SSE2_QOS_ACTION_TRANSMIT,
  SSE2_QOS_ACTION_MARK_AND_TRANSMIT
} sse2_qos_action_type_en;

/*
 * edt * struct sse2_qos_pol_action_params_st
 * This structure is used to hold user configured police action parameters.
 *
 * element: action_type
 *      Action type (see sse2_qos_action_type_en).
 * elemtnt: dscp
 *      DSCP value to set when action is SSE2_QOS_ACTION_MARK_AND_TRANSMIT.
 */
typedef struct sse2_qos_pol_action_params_st_
{
  u8 action_type;
  u8 dscp;
} sse2_qos_pol_action_params_st;

/*
 * edt: * struct sse2_qos_pol_cfg_params_st
 *
 * Description:
 * This structure is used to hold user configured policing parameters.
 *
 * element: cir_kbps
 *      CIR in kbps.
 * element: eir_kbps
 *      EIR or PIR in kbps.
 * element: cb_bytes
 *      Committed Burst in bytes.
 * element: eb_bytes
 *      Excess or Peak Burst in bytes.
 * element: cir_pps
 *      CIR in pps.
 * element: eir_pps
 *      EIR or PIR in pps.
 * element: cb_ms
 *      Committed Burst in milliseconds.
 * element: eb_ms
 *      Excess or Peak Burst in milliseconds.
 * element: rate_type
 *      Indicates the union if in kbps/bytes or pps/ms.
 * element: rfc
 *      Policer algorithm - 1R2C, 1R3C (2697), 2R3C (2698) or 2R3C (4115). See
 *      sse_qos_policer_type_en
 * element: rnd_type
 *      Rounding type (see sse_qos_round_type_en). Needed when policer values
 *      need to be rounded. Caller can decide on type of rounding used
 */
typedef struct sse2_qos_pol_cfg_params_st_
{
  union
  {
    struct
    {
      u32 cir_kbps;
      u32 eir_kbps;
      u64 cb_bytes;
      u64 eb_bytes;
    } kbps;
    struct
    {
      u32 cir_pps;
      u32 eir_pps;
      u64 cb_ms;
      u64 eb_ms;
    } pps;
  } rb;				/* rate burst config */
  u8 rate_type;			/* sse2_qos_rate_type_en */
  u8 rnd_type;			/* sse2_qos_round_type_en */
  u8 rfc;			/* sse2_qos_policer_type_en */
  u8 color_aware;
  u8 overwrite_bucket;		/* for debugging purposes */
  u32 current_bucket;		/* for debugging purposes */
  u32 extended_bucket;		/* for debugging purposes */
  sse2_qos_pol_action_params_st conform_action;
  sse2_qos_pol_action_params_st exceed_action;
  sse2_qos_pol_action_params_st violate_action;
} sse2_qos_pol_cfg_params_st;


typedef struct sse2_qos_pol_hw_params_st_
{
  u8 rfc;
  u8 allow_negative;
  u8 rate_exp;
  u16 avg_rate_man;
  u16 peak_rate_man;
  u8 comm_bkt_limit_exp;
  u8 comm_bkt_limit_man;
  u8 extd_bkt_limit_exp;
  u8 extd_bkt_limit_man;
  u32 comm_bkt;
  u32 extd_bkt;
} sse2_qos_pol_hw_params_st;


int
sse2_pol_logical_2_physical (sse2_qos_pol_cfg_params_st * cfg,
			     policer_read_response_type_st * phys);


#endif /* __included_xlate_h__ */

/*
 * fd.io coding-style-patch-verification: ON
 *
 * Local Variables:
 * eval: (c-set-style "gnu")
 * End:
 */