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Vector Packet Processing
nsim.h
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/*
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* nsim.h - skeleton vpp engine plug-in header file
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*
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* Copyright (c) <current-year> <your-organization>
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __included_nsim_h__
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#define __included_nsim_h__
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#include <
vnet/vnet.h
>
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#include <
vnet/ip/ip.h
>
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#include <
vnet/ethernet/ethernet.h
>
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#include <
vppinfra/hash.h
>
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#include <
vppinfra/error.h
>
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#define WHEEL_ENTRY_DATA_SIZE 1536
/* an even multiple of 64, pls */
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typedef
struct
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{
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f64
tx_time
;
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u32
tx_sw_if_index
;
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u32
current_length
;
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CLIB_CACHE_LINE_ALIGN_MARK
(
pad
);
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u8
data[
WHEEL_ENTRY_DATA_SIZE
];
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}
nsim_wheel_entry_t
;
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typedef
struct
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{
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u32
wheel_size
;
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u32
cursize
;
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u32
head
;
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u32
tail
;
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nsim_wheel_entry_t
*
entries
;
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CLIB_CACHE_LINE_ALIGN_MARK
(
pad
);
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}
nsim_wheel_t
;
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typedef
struct
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{
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/* API message ID base */
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u16
msg_id_base
;
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/* Two interfaces, cross-connected with delay */
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u32
sw_if_index0,
sw_if_index1
;
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u32
output_next_index0,
output_next_index1
;
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/* Random seed for loss-rate simulation */
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u32
seed
;
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/* Per-thread buffer / scheduler wheels */
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nsim_wheel_t
**
wheel_by_thread
;
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u32
**
buffer_indices_by_thread
;
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/* Config parameters */
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f64
delay
;
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f64
bandwidth
;
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f64
packet_size
;
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f64
drop_fraction
;
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u64
mmap_size
;
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/* Wheels are configured */
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int
is_configured
;
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/* convenience */
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vlib_main_t
*
vlib_main
;
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vnet_main_t
*
vnet_main
;
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}
nsim_main_t
;
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extern
nsim_main_t
nsim_main
;
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extern
vlib_node_registration_t
nsim_node
;
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extern
vlib_node_registration_t
nsim_input_node
;
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#endif
/* __included_nsim_h__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
nsim_main_t::packet_size
f64 packet_size
Definition:
nsim.h:67
pad
u8 pad[3]
log2 (size of the packing page block)
Definition:
bihash_doc.h:61
CLIB_CACHE_LINE_ALIGN_MARK
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
Definition:
cache.h:60
WHEEL_ENTRY_DATA_SIZE
#define WHEEL_ENTRY_DATA_SIZE
Definition:
nsim.h:28
nsim_main_t::msg_id_base
u16 msg_id_base
Definition:
nsim.h:52
u64
unsigned long u64
Definition:
types.h:89
nsim_wheel_entry_t
Definition:
nsim.h:30
ip.h
u8
unsigned char u8
Definition:
types.h:56
hash.h
nsim_wheel_entry_t::current_length
u32 current_length
Definition:
nsim.h:34
f64
double f64
Definition:
types.h:142
nsim_wheel_t::cursize
u32 cursize
Definition:
nsim.h:42
nsim_wheel_entry_t::tx_sw_if_index
u32 tx_sw_if_index
Definition:
nsim.h:33
nsim_main_t::vnet_main
vnet_main_t * vnet_main
Definition:
nsim.h:77
nsim_main_t::is_configured
int is_configured
Definition:
nsim.h:73
nsim_wheel_t
Definition:
nsim.h:39
u32
unsigned int u32
Definition:
types.h:88
nsim_node
vlib_node_registration_t nsim_node
(constructor) VLIB_REGISTER_NODE (nsim_node)
Definition:
node.c:51
ethernet.h
nsim_main_t::mmap_size
u64 mmap_size
Definition:
nsim.h:70
u16
unsigned short u16
Definition:
types.h:57
nsim_wheel_t::tail
u32 tail
Definition:
nsim.h:44
vnet.h
nsim_main_t::sw_if_index1
u32 sw_if_index1
Definition:
nsim.h:55
nsim_input_node
vlib_node_registration_t nsim_input_node
(constructor) VLIB_REGISTER_NODE (nsim_input_node)
Definition:
nsim_input.c:217
nsim_wheel_t::entries
nsim_wheel_entry_t * entries
Definition:
nsim.h:45
nsim_wheel_t::head
u32 head
Definition:
nsim.h:43
nsim_main_t::vlib_main
vlib_main_t * vlib_main
Definition:
nsim.h:76
vnet_main_t
Definition:
vnet.h:51
nsim_main_t
Definition:
nsim.h:49
nsim_main_t::wheel_by_thread
nsim_wheel_t ** wheel_by_thread
Definition:
nsim.h:61
vlib_node_registration_t
struct _vlib_node_registration vlib_node_registration_t
nsim_main_t::seed
u32 seed
Definition:
nsim.h:58
nsim_main_t::bandwidth
f64 bandwidth
Definition:
nsim.h:66
nsim_wheel_entry_t::tx_time
f64 tx_time
Definition:
nsim.h:32
vlib_main_t
Definition:
main.h:61
nsim_main
nsim_main_t nsim_main
Definition:
nsim.c:59
nsim_main_t::buffer_indices_by_thread
u32 ** buffer_indices_by_thread
Definition:
nsim.h:62
error.h
nsim_main_t::delay
f64 delay
Definition:
nsim.h:65
nsim_main_t::drop_fraction
f64 drop_fraction
Definition:
nsim.h:68
nsim_wheel_t::wheel_size
u32 wheel_size
Definition:
nsim.h:41
nsim_main_t::output_next_index1
u32 output_next_index1
Definition:
nsim.h:56
src
plugins
nsim
nsim.h
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