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Vector Packet Processing
ioam_export.c
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1 /*
2  * Copyright (c) 2016 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  *------------------------------------------------------------------
17  * ioam_export.c - ioam export API / debug CLI handling
18  *------------------------------------------------------------------
19  */
20 
21 #include <vnet/vnet.h>
22 #include <vnet/plugin/plugin.h>
24 
25 #include <vlibapi/api.h>
26 #include <vlibmemory/api.h>
27 #include <vnet/ip/ip6_hop_by_hop.h>
28 #include <vnet/format_fns.h>
29 
30 /* define message IDs */
31 #include <ioam/export/ioam_export.api_enum.h>
32 #include <ioam/export/ioam_export.api_types.h>
33 
34 #define REPLY_MSG_ID_BASE sm->msg_id_base
36 
38 
40 
41 /* Action function shared between message handler and debug CLI */
42 
43 int
45  u8 is_disable,
46  ip4_address_t * collector_address,
48 {
49  vlib_main_t *vm = em->vlib_main;
50 
51  if (is_disable == 0)
52  {
53  if (1 == ioam_export_header_create (em, collector_address, src_address))
54  {
57  /* Turn on the export buffer check process */
59 
60  }
61  else
62  {
63  return (-2);
64  }
65  }
66  else
67  {
69  ioam_export_header_cleanup (em, collector_address, src_address);
71  /* Turn off the export buffer check process */
73 
74  }
75 
76  return 0;
77 }
78 
79 /* API message handler */
82 {
83  vl_api_ioam_export_ip6_enable_disable_reply_t *rmp;
85  int rv;
86 
87  rv = ioam_export_ip6_enable_disable (sm, (int) (mp->is_disable),
88  (ip4_address_t *)
90  (ip4_address_t *) mp->src_address);
91 
92  REPLY_MACRO (VL_API_IOAM_EXPORT_IP6_ENABLE_DISABLE_REPLY);
93 }
94 
95 static clib_error_t *
97  unformat_input_t * input,
98  vlib_cli_command_t * cmd)
99 {
101  ip4_address_t collector, src;
102  u8 is_disable = 0;
103 
104  collector.as_u32 = 0;
105  src.as_u32 = 0;
106 
108  {
109  if (unformat (input, "collector %U", unformat_ip4_address, &collector))
110  ;
111  else if (unformat (input, "src %U", unformat_ip4_address, &src))
112  ;
113  else if (unformat (input, "disable"))
114  is_disable = 1;
115  else
116  break;
117  }
118 
119  if (collector.as_u32 == 0)
120  return clib_error_return (0, "collector address required");
121 
122  if (src.as_u32 == 0)
123  return clib_error_return (0, "src address required");
124 
125  em->ipfix_collector.as_u32 = collector.as_u32;
126  em->src_address.as_u32 = src.as_u32;
127 
128  vlib_cli_output (vm, "Collector %U, src address %U",
131 
132  /* Turn on the export timer process */
133  // vlib_process_signal_event (vm, flow_report_process_node.index,
134  //1, 0);
135  ioam_export_ip6_enable_disable (em, is_disable, &collector, &src);
136 
137  return 0;
138 }
139 
140 /* *INDENT-OFF* */
142 {
143 .path = "set ioam export ipfix",.short_help =
144  "set ioam export ipfix collector <ip4-address> src <ip4-address>",.
146 /* *INDENT-ON* */
147 
148 #include <ioam/export/ioam_export.api.c>
149 static clib_error_t *
151 {
153  u32 node_index = export_node.index;
154  vlib_node_t *ip6_hbyh_node = NULL;
155 
156  em->vlib_main = vm;
157  em->vnet_main = vnet_get_main ();
160 
161  /* Ask for a correctly-sized block of API message decode slots */
163 
164  em->unix_time_0 = (u32) time (0); /* Store starting time */
165  em->vlib_time_0 = vlib_time_now (vm);
166 
167  /* Hook this export node to ip6-hop-by-hop */
168  ip6_hbyh_node = vlib_get_node_by_name (vm, (u8 *) "ip6-hop-by-hop");
169  em->my_hbh_slot = vlib_node_add_next (vm, ip6_hbyh_node->index, node_index);
170 
171  return 0;
172 }
173 
175 
176 /*
177  * fd.io coding-style-patch-verification: ON
178  *
179  * Local Variables:
180  * eval: (c-set-style "gnu")
181  * End:
182  */
ioam_export.h
api.h
vlib_node_add_next
static uword vlib_node_add_next(vlib_main_t *vm, uword node, uword next_node)
Definition: node_funcs.h:1177
format_ip4_address
format_function_t format_ip4_address
Definition: format.h:73
IP6_LOOKUP_NEXT_POP_HOP_BY_HOP
@ IP6_LOOKUP_NEXT_POP_HOP_BY_HOP
Definition: adj.h:104
clib_error_return
#define clib_error_return(e, args...)
Definition: error.h:99
vl_api_ioam_export_ip6_enable_disable_t_handler
static void vl_api_ioam_export_ip6_enable_disable_t_handler(vl_api_ioam_export_ip6_enable_disable_t *mp)
Definition: ioam_export.c:81
vlib_cli_command_t::path
char * path
Definition: cli.h:96
ip4_address_t::as_u32
u32 as_u32
Definition: ip4_packet.h:57
vl_api_ioam_export_ip6_enable_disable_t
Definition: ioam_export.api:22
IPFIX_IOAM_EXPORT_ID
#define IPFIX_IOAM_EXPORT_ID
Definition: ioam_export.h:204
vm
vlib_main_t * vm
X-connect all packets from the HOST to the PHY.
Definition: nat44_ei.c:3047
api.h
node_index
node node_index
Definition: interface_output.c:420
unformat_input_t
struct _unformat_input_t unformat_input_t
vlib_process_signal_event
static void vlib_process_signal_event(vlib_main_t *vm, uword node_index, uword type_opaque, uword data)
Definition: node_funcs.h:1019
ioam_export_main_t::vlib_time_0
f64 vlib_time_0
Definition: ioam_export.h:71
vl_api_ioam_export_ip6_enable_disable_t::is_disable
bool is_disable
Definition: ioam_export.api:30
unformat
uword unformat(unformat_input_t *i, const char *fmt,...)
Definition: unformat.c:978
setup_message_id_table
static void setup_message_id_table(api_main_t *am)
Definition: bfd_api.c:451
ioam_export_main_t::unix_time_0
u32 unix_time_0
Definition: ioam_export.h:70
vlib_node_t::index
u32 index
Definition: node.h:269
ip6_hop_by_hop.h
export_node
vlib_node_registration_t export_node
(constructor) VLIB_REGISTER_NODE (export_node)
Definition: node.c:153
vl_api_ioam_export_ip6_enable_disable_t::collector_address
vl_api_ip4_address_t collector_address
Definition: ioam_export.api:33
vnet_get_main
vnet_main_t * vnet_get_main(void)
Definition: pnat_test_stubs.h:56
REPLY_MACRO
#define REPLY_MACRO(t)
Definition: api_helper_macros.h:30
unformat_check_input
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:163
ioam_export_main_t::msg_id_base
u16 msg_id_base
Definition: ioam_export.h:50
ioam_export_ip6_enable_disable
int ioam_export_ip6_enable_disable(ioam_export_main_t *em, u8 is_disable, ip4_address_t *collector_address, ip4_address_t *src_address)
Definition: ioam_export.c:44
ioam_export_thread_buffer_init
static int ioam_export_thread_buffer_init(ioam_export_main_t *em, vlib_main_t *vm)
Definition: ioam_export.h:172
VLIB_CLI_COMMAND
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:163
src
vl_api_address_t src
Definition: gre.api:54
ip4_address_t
Definition: ip4_packet.h:50
vlib_node_registration_t
struct _vlib_node_registration vlib_node_registration_t
vlib_cli_output
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:716
ioam_export_main_t::export_process_node_index
u32 export_process_node_index
Definition: ioam_export.h:80
plugin.h
vlib_get_node_by_name
vlib_node_t * vlib_get_node_by_name(vlib_main_t *vm, u8 *name)
Definition: node.c:45
format_fns.h
ioam_export_reset_next_node
static void ioam_export_reset_next_node(ioam_export_main_t *em)
Definition: ioam_export.h:101
u32
unsigned int u32
Definition: types.h:88
VLIB_INIT_FUNCTION
#define VLIB_INIT_FUNCTION(x)
Definition: init.h:172
api_helper_macros.h
ioam_export_main_t
Definition: ioam_export.h:47
ioam_export_main_t::my_hbh_slot
uword my_hbh_slot
Definition: ioam_export.h:79
ioam_export_main_t::vlib_main
vlib_main_t * vlib_main
Definition: ioam_export.h:74
vlib_main_t
Definition: main.h:102
vlib_node_t
Definition: node.h:247
set_ioam_export_ipfix_command_fn
static clib_error_t * set_ioam_export_ipfix_command_fn(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: ioam_export.c:96
ioam_export_main_t::vnet_main
vnet_main_t * vnet_main
Definition: ioam_export.h:75
u8
unsigned char u8
Definition: types.h:56
clib_error_t
Definition: clib_error.h:21
vlib_init_function_t
clib_error_t *() vlib_init_function_t(struct vlib_main_t *vm)
Definition: init.h:51
ioam_export_main
ioam_export_main_t ioam_export_main
Definition: ioam_export.c:37
ioam_export_header_create
static int ioam_export_header_create(ioam_export_main_t *em, ip4_address_t *collector_address, ip4_address_t *src_address)
Definition: ioam_export.h:233
ioam_export_header_cleanup
static void ioam_export_header_cleanup(ioam_export_main_t *em, ip4_address_t *collector_address, ip4_address_t *src_address)
Definition: ioam_export.h:224
rv
int __clib_unused rv
Definition: application.c:491
unformat_ip4_address
unformat_function_t unformat_ip4_address
Definition: format.h:68
ioam_export_thread_buffer_free
static void ioam_export_thread_buffer_free(ioam_export_main_t *em)
Definition: ioam_export.h:150
vlib_time_now
static f64 vlib_time_now(vlib_main_t *vm)
Definition: main.h:325
vl_api_ioam_export_ip6_enable_disable_t::src_address
vl_api_ip4_address_t src_address
Definition: ioam_export.api:34
ip6_hbh_set_next_override
void ip6_hbh_set_next_override(uword next)
Definition: ip6_forward.c:2723
vnet.h
ioam_export_main_t::src_address
ip4_address_t src_address
Definition: ioam_export.h:60
ioam_export_init
static clib_error_t * ioam_export_init(vlib_main_t *vm)
Definition: ioam_export.c:150
src_address
vl_api_address_union_t src_address
Definition: ip_types.api:122
vlib_cli_command_t
Definition: cli.h:92
ioam_export_main_t::ipfix_collector
ip4_address_t ipfix_collector
Definition: ioam_export.h:59
ioam_export_main_t::set_id
u16 set_id
Definition: ioam_export.h:51
set_ipfix_command
static vlib_cli_command_t set_ipfix_command
(constructor) VLIB_CLI_COMMAND (set_ipfix_command)
Definition: ioam_export.c:141
UNFORMAT_END_OF_INPUT
#define UNFORMAT_END_OF_INPUT
Definition: format.h:137