punt.c File Reference

Local TCP/IP stack punt infrastructure. More...

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Functions
char *	vnet_punt_get_server_pathname (void)
static void	punt_client_l4_db_add (ip_address_family_t af, u16 port, u32 index)
static u32	punt_client_l4_db_remove (ip_address_family_t af, u16 port)
static void	punt_client_ip_proto_db_add (ip_address_family_t af, ip_protocol_t proto, u32 index)
static u32	punt_client_ip_proto_db_remove (ip_address_family_t af, ip_protocol_t proto)
static void	punt_client_exception_db_add (vlib_punt_reason_t reason, u32 pci)
static u32	punt_client_exception_db_remove (vlib_punt_reason_t reason)
static clib_error_t *	punt_socket_read_ready (clib_file_t *uf)
static clib_error_t *	punt_socket_register_l4 (vlib_main_t *vm, ip_address_family_t af, u8 protocol, u16 port, char *client_pathname)
static clib_error_t *	punt_socket_register_ip_proto (vlib_main_t *vm, ip_address_family_t af, ip_protocol_t proto, char *client_pathname)
static clib_error_t *	punt_socket_register_exception (vlib_main_t *vm, vlib_punt_reason_t reason, char *client_pathname)
static clib_error_t *	punt_socket_unregister_l4 (ip_address_family_t af, ip_protocol_t protocol, u16 port)
static clib_error_t *	punt_socket_unregister_ip_proto (ip_address_family_t af, ip_protocol_t proto)
static clib_error_t *	punt_socket_unregister_exception (vlib_punt_reason_t reason)
clib_error_t *	vnet_punt_socket_add (vlib_main_t *vm, u32 header_version, const punt_reg_t *pr, char *client_pathname)
clib_error_t *	vnet_punt_socket_del (vlib_main_t *vm, const punt_reg_t *pr)
static clib_error_t *	punt_l4_add_del (vlib_main_t *vm, ip_address_family_t af, ip_protocol_t protocol, u16 port, bool is_add)
	Request IP L4 traffic punt to the local TCP/IP stack. More...
static clib_error_t *	punt_exception_add_del (vlib_punt_reason_t reason, bool is_add)
	Request exception traffic punt. More...
clib_error_t *	vnet_punt_add_del (vlib_main_t *vm, const punt_reg_t *pr, bool is_add)
static clib_error_t *	punt_cli (vlib_main_t *vm, unformat_input_t *input__, vlib_cli_command_t *cmd)
static clib_error_t *	punt_socket_register_cmd (vlib_main_t *vm, unformat_input_t *input__, vlib_cli_command_t *cmd)
static clib_error_t *	punt_socket_deregister_cmd (vlib_main_t *vm, unformat_input_t *input__, vlib_cli_command_t *cmd)
void	punt_client_walk (punt_type_t pt, punt_client_walk_cb_t cb, void *ctx)
static u8 *	format_punt_client (u8 *s, va_list *args)
static walk_rc_t	punt_client_show_one (const punt_client_t *pc, void *ctx)
static clib_error_t *	punt_socket_show_cmd (vlib_main_t *vm, unformat_input_t *input__, vlib_cli_command_t *cmd)
clib_error_t *	ip_punt_init (vlib_main_t *vm)
u8 *	format_vnet_punt_reason_flags (u8 *s, va_list *args)
static clib_error_t *	punt_config (vlib_main_t *vm, unformat_input_t *input)

Variables
punt_main_t	punt_main
static vlib_cli_command_t	punt_command
	(constructor) VLIB_CLI_COMMAND (punt_command) More...
static vlib_cli_command_t	punt_socket_register_command
	(constructor) VLIB_CLI_COMMAND (punt_socket_register_command) More...
static vlib_cli_command_t	punt_socket_deregister_command
	(constructor) VLIB_CLI_COMMAND (punt_socket_deregister_command) More...
static vlib_cli_command_t	show_punt_socket_registration_command
	(constructor) VLIB_CLI_COMMAND (show_punt_socket_registration_command) More...

Detailed Description

Local TCP/IP stack punt infrastructure.

Provides a set of VPP nodes together with the relevant APIs and CLI commands in order to adjust and dispatch packets from the VPP data plane to the local TCP/IP stack

Definition in file punt.c.

Function Documentation

format_punt_client()

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

static

Definition at line 737 of file punt.c.

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format_vnet_punt_reason_flags()

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

Definition at line 849 of file punt.c.

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ip_punt_init()

clib_error_t* ip_punt_init

(

vlib_main_t *

vm

)

Definition at line 827 of file punt.c.

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punt_cli()

static clib_error_t* punt_cli ( vlib_main_t *  vm, unformat_input_t *  input__, vlib_cli_command_t *  cmd  )

static

Definition at line 452 of file punt.c.

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punt_client_exception_db_add()

static void punt_client_exception_db_add ( vlib_punt_reason_t  reason, u32  pci  )

static

Definition at line 106 of file punt.c.

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punt_client_exception_db_remove()

static u32 punt_client_exception_db_remove ( vlib_punt_reason_t  reason )

static

Definition at line 116 of file punt.c.

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punt_client_ip_proto_db_add()

static void punt_client_ip_proto_db_add ( ip_address_family_t  af, ip_protocol_t  proto, u32  index  )

static

Definition at line 76 of file punt.c.

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punt_client_ip_proto_db_remove()

static u32 punt_client_ip_proto_db_remove ( ip_address_family_t  af, ip_protocol_t  proto  )

static

Definition at line 88 of file punt.c.

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punt_client_l4_db_add()

static void punt_client_l4_db_add ( ip_address_family_t  af, u16  port, u32  index  )

static

Definition at line 48 of file punt.c.

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punt_client_l4_db_remove()

static u32 punt_client_l4_db_remove ( ip_address_family_t  af, u16  port  )

static

Definition at line 58 of file punt.c.

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punt_client_show_one()

static walk_rc_t punt_client_show_one ( const punt_client_t *  pc, void *  ctx  )

static

Definition at line 768 of file punt.c.

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punt_client_walk()

void punt_client_walk	(	punt_type_t	pt,
		punt_client_walk_cb_t	cb,
		void *	ctx
	)

Definition at line 691 of file punt.c.

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punt_config()

static clib_error_t* punt_config ( vlib_main_t *  vm, unformat_input_t *  input  )

static

Definition at line 864 of file punt.c.

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punt_exception_add_del()

static clib_error_t* punt_exception_add_del ( vlib_punt_reason_t  reason, bool  is_add  )

static

Request exception traffic punt.

Parameters

reason

Punting reason

Returns

0 on success, non-zero value otherwise

Definition at line 416 of file punt.c.

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punt_l4_add_del()

static clib_error_t* punt_l4_add_del ( vlib_main_t *  vm, ip_address_family_t  af, ip_protocol_t  protocol, u16  port, bool  is_add  )

static

Request IP L4 traffic punt to the local TCP/IP stack.

Note

• UDP is the only protocol supported in the current implementation

Parameters

vm	vlib_main_t corresponding to the current thread
af	IP address family.
protocol	8-bits L4 protocol value UDP is 17 TCP is 1
port	16-bits L4 (TCP/IP) port number when applicable (UDP only)

Returns

0 on success, non-zero value otherwise

Definition at line 368 of file punt.c.

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punt_socket_deregister_cmd()

static clib_error_t* punt_socket_deregister_cmd ( vlib_main_t *  vm, unformat_input_t *  input__, vlib_cli_command_t *  cmd  )

static

Definition at line 622 of file punt.c.

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punt_socket_read_ready()

static clib_error_t* punt_socket_read_ready ( clib_file_t *  uf )

static

Schedule the rx node

Definition at line 131 of file punt.c.

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punt_socket_register_cmd()

static clib_error_t* punt_socket_register_cmd ( vlib_main_t *  vm, unformat_input_t *  input__, vlib_cli_command_t *  cmd  )

static

Definition at line 545 of file punt.c.

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punt_socket_register_exception()

static clib_error_t* punt_socket_register_exception ( vlib_main_t *  vm, vlib_punt_reason_t  reason, char *  client_pathname  )

static

Definition at line 215 of file punt.c.

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punt_socket_register_ip_proto()

static clib_error_t* punt_socket_register_ip_proto ( vlib_main_t *  vm, ip_address_family_t  af, ip_protocol_t  proto, char *  client_pathname  )

static

Definition at line 185 of file punt.c.

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punt_socket_register_l4()

static clib_error_t* punt_socket_register_l4 ( vlib_main_t *  vm, ip_address_family_t  af, u8  protocol, u16  port, char *  client_pathname  )

static

Definition at line 144 of file punt.c.

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punt_socket_show_cmd()

static clib_error_t* punt_socket_show_cmd ( vlib_main_t *  vm, unformat_input_t *  input__, vlib_cli_command_t *  cmd  )

static

Definition at line 776 of file punt.c.

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punt_socket_unregister_exception()

static clib_error_t* punt_socket_unregister_exception ( vlib_punt_reason_t  reason )

static

Definition at line 276 of file punt.c.

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punt_socket_unregister_ip_proto()

static clib_error_t* punt_socket_unregister_ip_proto ( ip_address_family_t  af, ip_protocol_t  proto  )

static

Definition at line 258 of file punt.c.

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punt_socket_unregister_l4()

static clib_error_t* punt_socket_unregister_l4 ( ip_address_family_t  af, ip_protocol_t  protocol, u16  port  )

static

Definition at line 242 of file punt.c.

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vnet_punt_add_del()

clib_error_t* vnet_punt_add_del	(	vlib_main_t *	vm,
		const punt_reg_t *	pr,
		bool	is_add
	)

Definition at line 435 of file punt.c.

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vnet_punt_get_server_pathname()

char* vnet_punt_get_server_pathname

(

void

)

Definition at line 41 of file punt.c.

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vnet_punt_socket_add()

clib_error_t* vnet_punt_socket_add	(	vlib_main_t *	vm,
		u32	header_version,
		const punt_reg_t *	pr,
		char *	client_pathname
	)

Definition at line 289 of file punt.c.

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vnet_punt_socket_del()

clib_error_t* vnet_punt_socket_del	(	vlib_main_t *	vm,
		const punt_reg_t *	pr
	)

Definition at line 329 of file punt.c.

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Variable Documentation

punt_command

vlib_cli_command_t punt_command

static

Initial value:

= {
  .path = "set punt",
  .short_help = "set punt [IPV4|ip6|ipv6] [UDP|tcp] [del] [ALL|<port-num>]",
  .function = punt_cli,
}

(constructor) VLIB_CLI_COMMAND (punt_command)

Definition at line 537 of file punt.c.

punt_main

punt_main_t punt_main

Definition at line 38 of file punt.c.

punt_socket_deregister_command

vlib_cli_command_t punt_socket_deregister_command

static

Initial value:

=
{
  .path = "punt socket deregister",
  .function = punt_socket_deregister_cmd,
  .short_help = "punt socket deregister [IPV4|ipv6] [UDP|tcp] [ALL|<port-num>]",
  .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (punt_socket_deregister_command)

Definition at line 681 of file punt.c.

punt_socket_register_command

vlib_cli_command_t punt_socket_register_command

static

Initial value:

=
{
  .path = "punt socket register",
  .function = punt_socket_register_cmd,
  .short_help = "punt socket register [IPV4|ipv6] [UDP|tcp] [ALL|<port-num>] socket <socket>",
  .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (punt_socket_register_command)

Definition at line 612 of file punt.c.

show_punt_socket_registration_command

vlib_cli_command_t show_punt_socket_registration_command

static

Initial value:

=
{
  .path = "show punt socket registrations",
  .function = punt_socket_show_cmd,
  .short_help = "show punt socket registrations [l4|exception]",
  .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (show_punt_socket_registration_command)

Definition at line 817 of file punt.c.