flowprobe.c File Reference

Per-packet IPFIX flow record generator plugin. More...

Include dependency graph for flowprobe.c:

Go to the source code of this file.

Macros
#define	REPLY_MSG_ID_BASE   fm->msg_id_base
#define	vl_print(handle, ...)   vlib_cli_output (handle, __VA_ARGS__)
#define	FINISH
#define	flowprobe_template_ip4_field_count()   4
#define	flowprobe_template_ip6_field_count()   4
#define	flowprobe_template_l2_field_count()   3
#define	flowprobe_template_common_field_count()   5
#define	flowprobe_template_l4_field_count()   3
#define	vec_neg_search(v, E)

Functions
uword	flowprobe_walker_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
	VNET_FEATURE_INIT (flow_perpacket_ip4, static)
	VNET_FEATURE_INIT (flow_perpacket_ip6, static)
	VNET_FEATURE_INIT (flow_perpacket_l2, static)
static ipfix_field_specifier_t *	flowprobe_template_ip4_fields (ipfix_field_specifier_t *f)
static ipfix_field_specifier_t *	flowprobe_template_ip6_fields (ipfix_field_specifier_t *f)
static ipfix_field_specifier_t *	flowprobe_template_l2_fields (ipfix_field_specifier_t *f)
static ipfix_field_specifier_t *	flowprobe_template_common_fields (ipfix_field_specifier_t *f)
static ipfix_field_specifier_t *	flowprobe_template_l4_fields (ipfix_field_specifier_t *f)
static u8 *	flowprobe_template_rewrite_inline (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, flowprobe_variant_t which)
	Create an IPFIX template packet rewrite string. More...
static u8 *	flowprobe_template_rewrite_ip6 (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, ipfix_report_element_t *elts, u32 n_elts, u32 *stream_index)
static u8 *	flowprobe_template_rewrite_ip4 (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, ipfix_report_element_t *elts, u32 n_elts, u32 *stream_index)
static u8 *	flowprobe_template_rewrite_l2 (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, ipfix_report_element_t *elts, u32 n_elts, u32 *stream_index)
static u8 *	flowprobe_template_rewrite_l2_ip4 (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, ipfix_report_element_t *elts, u32 n_elts, u32 *stream_index)
static u8 *	flowprobe_template_rewrite_l2_ip6 (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, ipfix_report_element_t *elts, u32 n_elts, u32 *stream_index)
vlib_frame_t *	flowprobe_data_callback_ip4 (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
	Flush accumulated data. More...
vlib_frame_t *	flowprobe_data_callback_ip6 (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
vlib_frame_t *	flowprobe_data_callback_l2 (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
static int	flowprobe_template_add_del (u32 domain_id, u16 src_port, flowprobe_record_t flags, vnet_flow_data_callback_t *flow_data_callback, vnet_flow_rewrite_callback_t *rewrite_callback, bool is_add, u16 *template_id)
static void	flowprobe_expired_timer_callback (u32 *expired_timers)
static clib_error_t *	flowprobe_create_state_tables (u32 active_timer)
static int	validate_feature_on_interface (flowprobe_main_t *fm, u32 sw_if_index, u8 which)
static int	flowprobe_tx_interface_add_del_feature (flowprobe_main_t *fm, u32 sw_if_index, u8 which, int is_add)
	configure / deconfigure the IPFIX flow-per-packet More...
void	vl_api_flowprobe_tx_interface_add_del_t_handler (vl_api_flowprobe_tx_interface_add_del_t *mp)
	API message handler. More...
static void *	vl_api_flowprobe_tx_interface_add_del_t_print (vl_api_flowprobe_tx_interface_add_del_t *mp, void *handle)
	API message custom-dump function. More...
static int	flowprobe_params (flowprobe_main_t *fm, u8 record_l2, u8 record_l3, u8 record_l4, u32 active_timer, u32 passive_timer)
void	vl_api_flowprobe_params_t_handler (vl_api_flowprobe_params_t *mp)
	VLIB_PLUGIN_REGISTER ()
u8 *	format_flowprobe_entry (u8 *s, va_list *args)
static clib_error_t *	flowprobe_show_table_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cm)
static clib_error_t *	flowprobe_show_stats_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cm)
static clib_error_t *	flowprobe_tx_interface_add_del_feature_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	flowprobe_params_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static uword	timer_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
static clib_error_t *	flowprobe_init (vlib_main_t *vm)
	Set up the API message handling tables. More...

Variables
flowprobe_main_t	flowprobe_main
static vlib_node_registration_t	flowprobe_timer_node
	(constructor) VLIB_REGISTER_NODE (flowprobe_timer_node) More...
static vlib_cli_command_t	flowprobe_enable_disable_command
	(constructor) VLIB_CLI_COMMAND (flowprobe_enable_disable_command) More...
static vlib_cli_command_t	flowprobe_params_command
	(constructor) VLIB_CLI_COMMAND (flowprobe_params_command) More...
static vlib_cli_command_t	flowprobe_show_table_command
	(constructor) VLIB_CLI_COMMAND (flowprobe_show_table_command) More...
static vlib_cli_command_t	flowprobe_show_stats_command
	(constructor) VLIB_CLI_COMMAND (flowprobe_show_stats_command) More...

Detailed Description

Per-packet IPFIX flow record generator plugin.

This file implements vpp plugin registration mechanics, debug CLI, and binary API handling.

Definition in file flowprobe.c.

Macro Definition Documentation

FINISH

#define FINISH

Value:

vec_add1 (s, 0);                            \
    vl_print (handle, (char *)s);               \
    vec_free (s);                               \
    return handle;

Definition at line 72 of file flowprobe.c.

flowprobe_template_common_field_count

#define flowprobe_template_common_field_count

(

)

5

flowprobe_template_ip4_field_count

#define flowprobe_template_ip4_field_count

(

)

4

flowprobe_template_ip6_field_count

#define flowprobe_template_ip6_field_count

(

)

4

flowprobe_template_l2_field_count

#define flowprobe_template_l2_field_count

(

)

3

flowprobe_template_l4_field_count

#define flowprobe_template_l4_field_count

(

)

3

REPLY_MSG_ID_BASE

#define REPLY_MSG_ID_BASE   fm->msg_id_base

Definition at line 43 of file flowprobe.c.

vec_neg_search

#define vec_neg_search	(		v,
			E
	)

Value:

({              \
  word _v(i) = 0;         \
  while (_v(i) < vec_len(v) && v[_v(i)] == E)        \
  {             \
    _v(i)++;            \
  }             \
  if (_v(i) == vec_len(v))        \
    _v(i) = ~0;                 \
  _v(i);            \
})

Definition at line 676 of file flowprobe.c.

vl_print

#define vl_print	(		handle,
			...
	)		vlib_cli_output (handle, __VA_ARGS__)

Definition at line 71 of file flowprobe.c.

Function Documentation

flowprobe_create_state_tables()

static clib_error_t* flowprobe_create_state_tables ( u32  active_timer )

static

Definition at line 454 of file flowprobe.c.

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flowprobe_data_callback_ip4()

vlib_frame_t* flowprobe_data_callback_ip4	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Flush accumulated data.

Parameters

frm	flow_report_main_t *
fr	flow_report_t *
f	vlib_frame_t *

Notes: This function must simply return the incoming frame, or no template packets will be sent.

Definition at line 392 of file flowprobe.c.

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flowprobe_data_callback_ip6()

vlib_frame_t* flowprobe_data_callback_ip6	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Definition at line 401 of file flowprobe.c.

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flowprobe_data_callback_l2()

vlib_frame_t* flowprobe_data_callback_l2	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Definition at line 410 of file flowprobe.c.

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flowprobe_expired_timer_callback()

static void flowprobe_expired_timer_callback ( u32 *  expired_timers )

static

Definition at line 438 of file flowprobe.c.

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flowprobe_init()

static clib_error_t* flowprobe_init ( vlib_main_t *  vm )

static

Set up the API message handling tables.

Parameters

vm	vlib_main_t * vlib main data structure pointer

Returns

0 to indicate all is well, or a clib_error_t

Definition at line 1023 of file flowprobe.c.

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flowprobe_params()

static int flowprobe_params ( flowprobe_main_t *  fm, u8  record_l2, u8  record_l3, u8  record_l4, u32  active_timer, u32  passive_timer  )

static

Definition at line 689 of file flowprobe.c.

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flowprobe_params_command_fn()

static clib_error_t* flowprobe_params_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 874 of file flowprobe.c.

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flowprobe_show_stats_fn()

static clib_error_t* flowprobe_show_stats_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cm  )

static

Definition at line 787 of file flowprobe.c.

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flowprobe_show_table_fn()

static clib_error_t* flowprobe_show_table_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cm  )

static

Definition at line 762 of file flowprobe.c.

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flowprobe_template_add_del()

static int flowprobe_template_add_del ( u32  domain_id, u16  src_port, flowprobe_record_t  flags, vnet_flow_data_callback_t *  flow_data_callback, vnet_flow_rewrite_callback_t *  rewrite_callback, bool  is_add, u16 *  template_id  )

static

Definition at line 419 of file flowprobe.c.

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flowprobe_template_common_fields()

static ipfix_field_specifier_t* flowprobe_template_common_fields ( ipfix_field_specifier_t *  f )

inlinestatic

Definition at line 144 of file flowprobe.c.

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flowprobe_template_ip4_fields()

static ipfix_field_specifier_t* flowprobe_template_ip4_fields ( ipfix_field_specifier_t *  f )

inlinestatic

Definition at line 79 of file flowprobe.c.

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flowprobe_template_ip6_fields()

static ipfix_field_specifier_t* flowprobe_template_ip6_fields ( ipfix_field_specifier_t *  f )

inlinestatic

Definition at line 102 of file flowprobe.c.

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flowprobe_template_l2_fields()

static ipfix_field_specifier_t* flowprobe_template_l2_fields ( ipfix_field_specifier_t *  f )

inlinestatic

Definition at line 125 of file flowprobe.c.

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flowprobe_template_l4_fields()

static ipfix_field_specifier_t* flowprobe_template_l4_fields ( ipfix_field_specifier_t *  f )

inlinestatic

Definition at line 176 of file flowprobe.c.

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flowprobe_template_rewrite_inline()

static u8* flowprobe_template_rewrite_inline ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, flowprobe_variant_t  which  )

inlinestatic

Create an IPFIX template packet rewrite string.

Parameters

frm	flow_report_main_t *
fr	flow_report_t *
collector_address	ip4_address_t * the IPFIX collector address
src_address	ip4_address_t * the source address we should use
collector_port	u16 the collector port we should use, host byte order

Returns

u8 * vector containing the indicated IPFIX template packet

Definition at line 205 of file flowprobe.c.

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flowprobe_template_rewrite_ip4()

static u8* flowprobe_template_rewrite_ip4 ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, ipfix_report_element_t *  elts, u32  n_elts, u32 *  stream_index  )

static

Definition at line 326 of file flowprobe.c.

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flowprobe_template_rewrite_ip6()

static u8* flowprobe_template_rewrite_ip6 ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, ipfix_report_element_t *  elts, u32  n_elts, u32 *  stream_index  )

static

Definition at line 312 of file flowprobe.c.

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flowprobe_template_rewrite_l2()

static u8* flowprobe_template_rewrite_l2 ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, ipfix_report_element_t *  elts, u32  n_elts, u32 *  stream_index  )

static

Definition at line 340 of file flowprobe.c.

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flowprobe_template_rewrite_l2_ip4()

static u8* flowprobe_template_rewrite_l2_ip4 ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, ipfix_report_element_t *  elts, u32  n_elts, u32 *  stream_index  )

static

Definition at line 354 of file flowprobe.c.

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flowprobe_template_rewrite_l2_ip6()

static u8* flowprobe_template_rewrite_l2_ip6 ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, ipfix_report_element_t *  elts, u32  n_elts, u32 *  stream_index  )

static

Definition at line 368 of file flowprobe.c.

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flowprobe_tx_interface_add_del_feature()

static int flowprobe_tx_interface_add_del_feature ( flowprobe_main_t *  fm, u32  sw_if_index, u8  which, int  is_add  )

static

configure / deconfigure the IPFIX flow-per-packet

Parameters

fm	flowprobe_main_t * fm
sw_if_index	u32 the desired interface
is_add	int 1 to enable the feature, 0 to disable it

Returns

0 if successful, non-zero otherwise

Definition at line 527 of file flowprobe.c.

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flowprobe_tx_interface_add_del_feature_command_fn()

static clib_error_t* flowprobe_tx_interface_add_del_feature_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 806 of file flowprobe.c.

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flowprobe_walker_process()

uword flowprobe_walker_process	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	rt,
		vlib_frame_t *	f
	)

format_flowprobe_entry()

u8* format_flowprobe_entry	(	u8 *	s,
		va_list *	args
	)

Definition at line 744 of file flowprobe.c.

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timer_process()

static uword timer_process ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 960 of file flowprobe.c.

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validate_feature_on_interface()

static int validate_feature_on_interface ( flowprobe_main_t *  fm, u32  sw_if_index, u8  which  )

static

Definition at line 505 of file flowprobe.c.

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vl_api_flowprobe_params_t_handler()

void vl_api_flowprobe_params_t_handler

(

vl_api_flowprobe_params_t *

mp

)

Definition at line 719 of file flowprobe.c.

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vl_api_flowprobe_tx_interface_add_del_t_handler()

void vl_api_flowprobe_tx_interface_add_del_t_handler

(

vl_api_flowprobe_tx_interface_add_del_t *

mp

)

API message handler.

Parameters

mp	vl_api_flowprobe_tx_interface_add_del_t * mp the api message

Definition at line 626 of file flowprobe.c.

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vl_api_flowprobe_tx_interface_add_del_t_print()

static void* vl_api_flowprobe_tx_interface_add_del_t_print ( vl_api_flowprobe_tx_interface_add_del_t *  mp, void *  handle  )

static

API message custom-dump function.

Parameters

mp	vl_api_flowprobe_tx_interface_add_del_t * mp the api message
handle	void * print function handle

Returns

u8 * output string

Definition at line 665 of file flowprobe.c.

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VLIB_PLUGIN_REGISTER()

VLIB_PLUGIN_REGISTER

(

)

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VNET_FEATURE_INIT() [1/3]

VNET_FEATURE_INIT	(	flow_perpacket_ip4	,
		static
	)

VNET_FEATURE_INIT() [2/3]

VNET_FEATURE_INIT	(	flow_perpacket_ip6	,
		static
	)

VNET_FEATURE_INIT() [3/3]

VNET_FEATURE_INIT	(	flow_perpacket_l2	,
		static
	)

Variable Documentation

flowprobe_enable_disable_command

vlib_cli_command_t flowprobe_enable_disable_command

static

Initial value:

= {
    .path = "flowprobe feature add-del",
    .short_help =
    "flowprobe feature add-del <interface-name> <l2|ip4|ip6> disable",
    .function = flowprobe_tx_interface_add_del_feature_command_fn,
}

(constructor) VLIB_CLI_COMMAND (flowprobe_enable_disable_command)

Definition at line 931 of file flowprobe.c.

flowprobe_main

flowprobe_main_t flowprobe_main

Definition at line 38 of file flowprobe.c.

flowprobe_params_command

vlib_cli_command_t flowprobe_params_command

static

Initial value:

= {
    .path = "flowprobe params",
    .short_help =
    "flowprobe params record <[l2] [l3] [l4]> [active <timer> passive <timer>]",
    .function = flowprobe_params_command_fn,
}

(constructor) VLIB_CLI_COMMAND (flowprobe_params_command)

Definition at line 937 of file flowprobe.c.

flowprobe_show_stats_command

vlib_cli_command_t flowprobe_show_stats_command

static

Initial value:

= {
    .path = "show flowprobe statistics",
    .short_help = "show flowprobe statistics",
    .function = flowprobe_show_stats_fn,
}

(constructor) VLIB_CLI_COMMAND (flowprobe_show_stats_command)

Definition at line 948 of file flowprobe.c.

flowprobe_show_table_command

vlib_cli_command_t flowprobe_show_table_command

static

Initial value:

= {
    .path = "show flowprobe table",
    .short_help = "show flowprobe table",
    .function = flowprobe_show_table_fn,
}

(constructor) VLIB_CLI_COMMAND (flowprobe_show_table_command)

Definition at line 943 of file flowprobe.c.

flowprobe_timer_node

static vlib_node_registration_t flowprobe_timer_node

static

Initial value:

= {
  .function = timer_process,
  .name = "flowprobe-timer-process",
  .type = VLIB_NODE_TYPE_PROCESS,
}

(constructor) VLIB_REGISTER_NODE (flowprobe_timer_node)

Definition at line 39 of file flowprobe.c.