FD.io VPP  v20.09-64-g4f7b92f0a
Vector Packet Processing
nsim.h
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1 
2 /*
3  * nsim.h - skeleton vpp engine plug-in header file
4  *
5  * Copyright (c) <current-year> <your-organization>
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at:
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 #ifndef __included_nsim_h__
19 #define __included_nsim_h__
20 
21 #include <vnet/vnet.h>
22 #include <vnet/ip/ip.h>
23 #include <vnet/ethernet/ethernet.h>
24 
25 #include <vppinfra/hash.h>
26 #include <vppinfra/error.h>
27 
28 #define NSIM_MAX_TX_BURST 32 /**< max packets in a tx burst */
29 
30 typedef struct
31 {
37  u32 pad; /* pad to 32-bytes */
39 
40 typedef struct
41 {
48 } nsim_wheel_t;
49 
50 typedef struct nsim_node_ctx
51 {
61 
62 #define foreach_nsm_action \
63  _(DROP, "Packet loss") \
64  _(REORDER, "Packet reorder")
65 
67 {
68 #define _(sym, str) NSIM_ACTION_##sym##_BIT,
70 #undef _
71 };
72 
73 typedef enum nsm_action
74 {
75 #define _(sym, str) NSIM_ACTION_##sym = 1 << NSIM_ACTION_##sym##_BIT,
77 #undef _
78 } nsm_action_e;
79 
80 typedef struct
81 {
82  /* API message ID base */
84 
85  /* output feature arc index */
87 
88  /* Two interfaces, cross-connected with delay */
89  u32 sw_if_index0, sw_if_index1;
90  u32 output_next_index0, output_next_index1;
91 
92  /* N interfaces, using the output feature */
94 
95  /* Random seed for loss-rate simulation */
97 
98  /* Per-thread scheduler wheels */
100 
101  /* Config parameters */
108 
110 
111  /* Wheels are configured */
113 
114  /* convenience */
117 } nsim_main_t;
118 
119 extern nsim_main_t nsim_main;
120 
123 
124 #endif /* __included_nsim_h__ */
125 
126 /*
127  * fd.io coding-style-patch-verification: ON
128  *
129  * Local Variables:
130  * eval: (c-set-style "gnu")
131  * End:
132  */
f64 expires
Definition: nsim.h:53
u32 * output_next_index_by_sw_if_index
Definition: nsim.h:93
f64 packet_size
Definition: nsim.h:104
u8 pad[3]
log2 (size of the packing page block)
Definition: bihash_doc.h:61
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition: cache.h:60
nsm_action
Definition: nsim.h:73
u32 * drop
Definition: nsim.h:54
#define foreach_nsm_action
Definition: nsim.h:62
u16 msg_id_base
Definition: nsim.h:83
unsigned long u64
Definition: types.h:89
Definition: nsim.h:30
u32 pad
Definition: nsim.h:37
vnet_feature_config_main_t * fcm
Definition: nsim.h:52
unsigned char u8
Definition: types.h:56
double f64
Definition: types.h:142
u32 cursize
Definition: nsim.h:43
u32 tx_sw_if_index
Definition: nsim.h:34
vnet_main_t * vnet_main
Definition: nsim.h:116
u64 n_loss
Definition: nsim.h:59
int is_configured
Definition: nsim.h:112
unsigned int u32
Definition: types.h:88
u16 * reord_nexts
Definition: nsim.h:56
vlib_node_registration_t nsim_node
(constructor) VLIB_REGISTER_NODE (nsim_node)
Definition: node.c:51
u32 * reord
Definition: nsim.h:55
u64 mmap_size
Definition: nsim.h:109
unsigned short u16
Definition: types.h:57
u8 * action
Definition: nsim.h:57
u32 tail
Definition: nsim.h:45
u32 sw_if_index1
Definition: nsim.h:89
vlib_node_registration_t nsim_input_node
(constructor) VLIB_REGISTER_NODE (nsim_input_node)
Definition: nsim_input.c:132
nsim_wheel_entry_t * entries
Definition: nsim.h:46
u32 head
Definition: nsim.h:44
vlib_main_t * vlib_main
Definition: nsim.h:115
f64 reorder_fraction
Definition: nsim.h:106
nsim_wheel_t ** wheel_by_thread
Definition: nsim.h:99
u32 poll_main_thread
Definition: nsim.h:107
nsm_action_bit
Definition: nsim.h:66
u16 arc_index
Definition: nsim.h:86
struct _vlib_node_registration vlib_node_registration_t
struct nsim_node_ctx nsim_node_ctx_t
u32 seed
Definition: nsim.h:96
enum nsm_action nsm_action_e
f64 bandwidth
Definition: nsim.h:103
f64 tx_time
Definition: nsim.h:32
u32 buffer_index
Definition: nsim.h:36
nsim_main_t nsim_main
Definition: nsim.c:39
u64 n_buffered
Definition: nsim.h:58
f64 delay
Definition: nsim.h:102
u32 output_next_index
Definition: nsim.h:35
f64 drop_fraction
Definition: nsim.h:105
u32 wheel_size
Definition: nsim.h:42
u32 output_next_index1
Definition: nsim.h:90
u32 rx_sw_if_index
Definition: nsim.h:33