ping.c File Reference

IPv4 and IPv6 ICMP Ping. More...

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Data Structures
struct	icmp_echo_trace_t

Macros
#define	ERROR_OUT(e)   do { err = e; goto done; } while (0)
#define	MAX_PING_BURST   (10*VLIB_FRAME_SIZE)

Functions
u8 *	format_icmp_echo_trace (u8 *s, va_list *va)
static u8 *	format_ip46_ping_result (u8 *s, va_list *args)
static_always_inline uword	get_cli_process_id_by_icmp_id_mt (vlib_main_t *vm, u16 icmp_id)
static_always_inline void	set_cli_process_id_by_icmp_id_mt (vlib_main_t *vm, u16 icmp_id, uword cli_process_id)
static_always_inline void	clear_cli_process_id_by_icmp_id_mt (vlib_main_t *vm, u16 icmp_id)
static_always_inline int	ip46_get_icmp_id_and_seq (vlib_main_t *vm, vlib_buffer_t *b0, u16 *out_icmp_id, u16 *out_icmp_seq, int is_ip6)
static_always_inline void	ip46_post_icmp_reply_event (vlib_main_t *vm, uword cli_process_id, u32 bi0, int is_ip6)
static_always_inline void	ip46_echo_reply_maybe_trace_buffer (vlib_main_t *vm, vlib_node_runtime_t *node, uword cli_process_id, u16 id, u16 seq, vlib_buffer_t *b0, int is_ip6)
static_always_inline uword	ip46_icmp_echo_reply_inner_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int do_trace, int is_ip6)
static_always_inline uword	ip46_icmp_echo_reply_outer_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_ip6)
static uword	ip4_icmp_echo_reply_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	ip6_icmp_echo_reply_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	ip4_icmp_echo_request (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static u8 *	format_icmp_input_trace (u8 *s, va_list *va)
static_always_inline u8	get_icmp_echo_payload_byte (int offset)
static u16	init_icmp46_echo_request (vlib_main_t *vm, vlib_buffer_t *b0, int l4_header_offset, icmp46_echo_request_t *icmp46_echo, u16 seq_host, u16 id_host, u64 now, u16 data_len)
static u32	ip46_fib_index_from_table_id (u32 table_id, int is_ip6)
static fib_node_index_t	ip46_fib_table_lookup_host (u32 fib_index, ip46_address_t *pa46, int is_ip6)
static u32	ip46_get_resolving_interface (u32 fib_index, ip46_address_t *pa46, int is_ip6)
static u32	ip46_fib_table_get_index_for_sw_if_index (u32 sw_if_index, int is_ip6)
static int	ip46_fill_l3_header (ip46_address_t *pa46, vlib_buffer_t *b0, int is_ip6)
static bool	ip46_set_src_address (u32 sw_if_index, vlib_buffer_t *b0, int is_ip6)
static void	ip46_print_buffer_src_address (vlib_main_t *vm, vlib_buffer_t *b0, int is_ip6)
static u16	ip46_fill_icmp_request_at (vlib_main_t *vm, int l4_offset, u16 seq_host, u16 id_host, u16 data_len, vlib_buffer_t *b0, int is_ip6)
u16	ip4_icmp_compute_checksum (vlib_main_t *vm, vlib_buffer_t *p0, ip4_header_t *ip0)
static void	ip46_fix_len_and_csum (vlib_main_t *vm, int l4_offset, u16 data_len, vlib_buffer_t *b0, int is_ip6)
static u16	at_most_a_frame (u32 count)
static int	ip46_enqueue_packet (vlib_main_t *vm, vlib_buffer_t *b0, u32 burst, int is_ip6)
static send_ip46_ping_result_t	send_ip46_ping (vlib_main_t *vm, u32 table_id, ip46_address_t *pa46, u32 sw_if_index, u16 seq_host, u16 id_host, u16 data_len, u32 burst, u8 verbose, int is_ip6)
static send_ip46_ping_result_t	send_ip6_ping (vlib_main_t *vm, u32 table_id, ip6_address_t *pa6, u32 sw_if_index, u16 seq_host, u16 id_host, u16 data_len, u32 burst, u8 verbose)
static send_ip46_ping_result_t	send_ip4_ping (vlib_main_t *vm, u32 table_id, ip4_address_t *pa4, u32 sw_if_index, u16 seq_host, u16 id_host, u16 data_len, u32 burst, u8 verbose)
static void	print_ip46_icmp_reply (vlib_main_t *vm, u32 bi0, int is_ip6)
static void	run_ping_ip46_address (vlib_main_t *vm, u32 table_id, ip4_address_t *pa4, ip6_address_t *pa6, u32 sw_if_index, f64 ping_interval, u32 ping_repeat, u32 data_len, u32 ping_burst, u32 verbose)
static clib_error_t *	ping_ip_address (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	ping_cli_init (vlib_main_t *vm)
	VLIB_PLUGIN_REGISTER ()

Variables
ping_main_t	ping_main
static vlib_node_registration_t	ip6_icmp_echo_reply_node
	(constructor) VLIB_REGISTER_NODE (ip6_icmp_echo_reply_node) More...
static vlib_node_registration_t	ip4_icmp_echo_reply_node
	(constructor) VLIB_REGISTER_NODE (ip4_icmp_echo_reply_node) More...
static vlib_node_registration_t	ip4_icmp_echo_request_node
	(constructor) VLIB_REGISTER_NODE (ip4_icmp_echo_request_node) More...
static vlib_cli_command_t	ping_command
	(constructor) VLIB_CLI_COMMAND (ping_command) More...

Detailed Description

IPv4 and IPv6 ICMP Ping.

This file contains code to support IPv4 or IPv6 ICMP ECHO_REQUEST to network hosts.

Definition in file ping.c.

Macro Definition Documentation

ERROR_OUT

#define ERROR_OUT

(

e

)

do { err = e; goto done; } while (0)

Definition at line 947 of file ping.c.

MAX_PING_BURST

#define MAX_PING_BURST   (10*VLIB_FRAME_SIZE)

Function Documentation

at_most_a_frame()

static u16 at_most_a_frame ( u32  count )

static

Definition at line 867 of file ping.c.

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clear_cli_process_id_by_icmp_id_mt()

static_always_inline void clear_cli_process_id_by_icmp_id_mt	(	vlib_main_t *	vm,
		u16	icmp_id
	)

Definition at line 148 of file ping.c.

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format_icmp_echo_trace()

u8* format_icmp_echo_trace	(	u8 *	s,
		va_list *	va
	)

Definition at line 51 of file ping.c.

format_icmp_input_trace()

static u8* format_icmp_input_trace ( u8 *  s, va_list *  va  )

static

Definition at line 550 of file ping.c.

format_ip46_ping_result()

static u8* format_ip46_ping_result ( u8 *  s, va_list *  args  )

static

Definition at line 74 of file ping.c.

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get_cli_process_id_by_icmp_id_mt()

static_always_inline uword get_cli_process_id_by_icmp_id_mt	(	vlib_main_t *	vm,
		u16	icmp_id
	)

Definition at line 103 of file ping.c.

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get_icmp_echo_payload_byte()

static_always_inline u8 get_icmp_echo_payload_byte

(

int

offset

)

Definition at line 588 of file ping.c.

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init_icmp46_echo_request()

static u16 init_icmp46_echo_request ( vlib_main_t *  vm, vlib_buffer_t *  b0, int  l4_header_offset, icmp46_echo_request_t *  icmp46_echo, u16  seq_host, u16  id_host, u64  now, u16  data_len  )

static

Definition at line 595 of file ping.c.

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ip46_echo_reply_maybe_trace_buffer()

static_always_inline void ip46_echo_reply_maybe_trace_buffer	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		uword	cli_process_id,
		u16	id,
		u16	seq,
		vlib_buffer_t *	b0,
		int	is_ip6
	)

Definition at line 219 of file ping.c.

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ip46_enqueue_packet()

static int ip46_enqueue_packet ( vlib_main_t *  vm, vlib_buffer_t *  b0, u32  burst, int  is_ip6  )

static

Definition at line 873 of file ping.c.

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ip46_fib_index_from_table_id()

static u32 ip46_fib_index_from_table_id ( u32  table_id, int  is_ip6  )

static

Definition at line 653 of file ping.c.

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ip46_fib_table_get_index_for_sw_if_index()

static u32 ip46_fib_table_get_index_for_sw_if_index ( u32  sw_if_index, int  is_ip6  )

static

Definition at line 685 of file ping.c.

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ip46_fib_table_lookup_host()

static fib_node_index_t ip46_fib_table_lookup_host ( u32  fib_index, ip46_address_t *  pa46, int  is_ip6  )

static

Definition at line 662 of file ping.c.

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ip46_fill_icmp_request_at()

static u16 ip46_fill_icmp_request_at ( vlib_main_t *  vm, int  l4_offset, u16  seq_host, u16  id_host, u16  data_len, vlib_buffer_t *  b0, int  is_ip6  )

static

Definition at line 771 of file ping.c.

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ip46_fill_l3_header()

static int ip46_fill_l3_header ( ip46_address_t *  pa46, vlib_buffer_t *  b0, int  is_ip6  )

static

Definition at line 696 of file ping.c.

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ip46_fix_len_and_csum()

static void ip46_fix_len_and_csum ( vlib_main_t *  vm, int  l4_offset, u16  data_len, vlib_buffer_t *  b0, int  is_ip6  )

static

Definition at line 837 of file ping.c.

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ip46_get_icmp_id_and_seq()

static_always_inline int ip46_get_icmp_id_and_seq	(	vlib_main_t *	vm,
		vlib_buffer_t *	b0,
		u16 *	out_icmp_id,
		u16 *	out_icmp_seq,
		int	is_ip6
	)

Definition at line 166 of file ping.c.

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ip46_get_resolving_interface()

static u32 ip46_get_resolving_interface ( u32  fib_index, ip46_address_t *  pa46, int  is_ip6  )

static

Definition at line 671 of file ping.c.

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ip46_icmp_echo_reply_inner_node_fn()

static_always_inline uword ip46_icmp_echo_reply_inner_node_fn	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		int	do_trace,
		int	is_ip6
	)

Definition at line 236 of file ping.c.

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ip46_icmp_echo_reply_outer_node_fn()

static_always_inline uword ip46_icmp_echo_reply_outer_node_fn	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		int	is_ip6
	)

Definition at line 313 of file ping.c.

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ip46_post_icmp_reply_event()

static_always_inline void ip46_post_icmp_reply_event	(	vlib_main_t *	vm,
		uword	cli_process_id,
		u32	bi0,
		int	is_ip6
	)

Definition at line 198 of file ping.c.

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ip46_print_buffer_src_address()

static void ip46_print_buffer_src_address ( vlib_main_t *  vm, vlib_buffer_t *  b0, int  is_ip6  )

static

Definition at line 750 of file ping.c.

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ip46_set_src_address()

static bool ip46_set_src_address ( u32  sw_if_index, vlib_buffer_t *  b0, int  is_ip6  )

static

Definition at line 730 of file ping.c.

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ip4_icmp_compute_checksum()

u16 ip4_icmp_compute_checksum	(	vlib_main_t *	vm,
		vlib_buffer_t *	p0,
		ip4_header_t *	ip0
	)

Definition at line 792 of file ping.c.

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ip4_icmp_echo_reply_node_fn()

static uword ip4_icmp_echo_reply_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 326 of file ping.c.

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ip4_icmp_echo_request()

static uword ip4_icmp_echo_request ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 370 of file ping.c.

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ip6_icmp_echo_reply_node_fn()

static uword ip6_icmp_echo_reply_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 334 of file ping.c.

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ping_cli_init()

static clib_error_t* ping_cli_init ( vlib_main_t *  vm )

static

Definition at line 1449 of file ping.c.

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ping_ip_address()

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

static

Definition at line 1202 of file ping.c.

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print_ip46_icmp_reply()

static void print_ip46_icmp_reply ( vlib_main_t *  vm, u32  bi0, int  is_ip6  )

static

Definition at line 1043 of file ping.c.

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run_ping_ip46_address()

static void run_ping_ip46_address ( vlib_main_t *  vm, u32  table_id, ip4_address_t *  pa4, ip6_address_t *  pa6, u32  sw_if_index, f64  ping_interval, u32  ping_repeat, u32  data_len, u32  ping_burst, u32  verbose  )

static

Definition at line 1094 of file ping.c.

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send_ip46_ping()

static send_ip46_ping_result_t send_ip46_ping ( vlib_main_t *  vm, u32  table_id, ip46_address_t *  pa46, u32  sw_if_index, u16  seq_host, u16  id_host, u16  data_len, u32  burst, u8  verbose, int  is_ip6  )

static

Definition at line 950 of file ping.c.

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send_ip4_ping()

static send_ip46_ping_result_t send_ip4_ping ( vlib_main_t *  vm, u32  table_id, ip4_address_t *  pa4, u32  sw_if_index, u16  seq_host, u16  id_host, u16  data_len, u32  burst, u8  verbose  )

static

Definition at line 1031 of file ping.c.

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send_ip6_ping()

static send_ip46_ping_result_t send_ip6_ping ( vlib_main_t *  vm, u32  table_id, ip6_address_t *  pa6, u32  sw_if_index, u16  seq_host, u16  id_host, u16  data_len, u32  burst, u8  verbose  )

static

Definition at line 1019 of file ping.c.

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set_cli_process_id_by_icmp_id_mt()

static_always_inline void set_cli_process_id_by_icmp_id_mt	(	vlib_main_t *	vm,
		u16	icmp_id,
		uword	cli_process_id
	)

Definition at line 124 of file ping.c.

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VLIB_PLUGIN_REGISTER()

VLIB_PLUGIN_REGISTER

(

)

Variable Documentation

ip4_icmp_echo_reply_node

vlib_node_registration_t ip4_icmp_echo_reply_node

static

Initial value:

=
{
  .function = ip4_icmp_echo_reply_node_fn,
  .name = "ip4-icmp-echo-reply",
  .vector_size = sizeof (u32),
  .format_trace = format_icmp_echo_trace,
  .n_next_nodes = ICMP46_ECHO_REPLY_N_NEXT,
  .next_nodes = {
    [ICMP46_ECHO_REPLY_NEXT_DROP] = "ip4-drop",
    [ICMP46_ECHO_REPLY_NEXT_PUNT] = "ip4-punt",
  },
}

(constructor) VLIB_REGISTER_NODE (ip4_icmp_echo_reply_node)

Definition at line 355 of file ping.c.

ip4_icmp_echo_request_node

vlib_node_registration_t ip4_icmp_echo_request_node

static

Initial value:

= {
  .function = ip4_icmp_echo_request,
  .name = "ip4-icmp-echo-request",
 
  .vector_size = sizeof (u32),
 
  .format_trace = format_icmp_input_trace,
 
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "ip4-load-balance",
  },
}

(constructor) VLIB_REGISTER_NODE (ip4_icmp_echo_request_node)

Definition at line 563 of file ping.c.

ip6_icmp_echo_reply_node

vlib_node_registration_t ip6_icmp_echo_reply_node

static

Initial value:

=
{
  .function = ip6_icmp_echo_reply_node_fn,
  .name = "ip6-icmp-echo-reply",
  .vector_size = sizeof (u32),
  .format_trace = format_icmp_echo_trace,
  .n_next_nodes = ICMP46_ECHO_REPLY_N_NEXT,
  .next_nodes = {
    [ICMP46_ECHO_REPLY_NEXT_DROP] = "ip6-drop",
    [ICMP46_ECHO_REPLY_NEXT_PUNT] = "ip6-punt",
  },
}

(constructor) VLIB_REGISTER_NODE (ip6_icmp_echo_reply_node)

Definition at line 342 of file ping.c.

ping_command

vlib_cli_command_t ping_command

static

Initial value:

=
{
  .path = "ping",
  .function = ping_ip_address,
  .short_help = "ping {<ip-addr> | ipv4 <ip4-addr> | ipv6 <ip6-addr>}"
  " [ipv4 <ip4-addr> | ipv6 <ip6-addr>] [source <interface>]"
  " [size <pktsize:60>] [interval <sec:1>] [repeat <cnt:5>] [table-id <id:0>]"
  " [burst <count:1>] [verbose]",
  .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (ping_command)

Definition at line 1436 of file ping.c.

ping_main

ping_main_t ping_main

Definition at line 30 of file ping.c.