interface.c File Reference

Loopback Interfaces. More...

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Macros
#define	LOOPBACK_MAX_INSTANCE   (16 * 1024)

Functions
const u8 *	ethernet_ip4_mcast_dst_addr (void)
const u8 *	ethernet_ip6_mcast_dst_addr (void)
u8 *	ethernet_build_rewrite (vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
	build a rewrite string to use for sending packets of type 'link_type' to 'dst_address' More...
void	ethernet_update_adjacency (vnet_main_t *vnm, u32 sw_if_index, u32 ai)
static clib_error_t *	ethernet_mac_change (vnet_hw_interface_t *hi, char *mac_address)
	VNET_HW_INTERFACE_CLASS (ethernet_hw_interface_class)
uword	unformat_ethernet_interface (unformat_input_t *input, va_list *args)
clib_error_t *	ethernet_register_interface (vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u8 *address, u32 *hw_if_index_return, ethernet_flag_change_function_t flag_change)
void	ethernet_delete_interface (vnet_main_t *vnm, u32 hw_if_index)
u32	ethernet_set_flags (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
static uword	simulated_ethernet_interface_tx (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	Echo packets back to ethernet/l2-input. More...
static u8 *	format_simulated_ethernet_name (u8 *s, va_list *args)
static clib_error_t *	simulated_ethernet_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
	VNET_DEVICE_CLASS (ethernet_simulated_device_class)
	VLIB_DEVICE_TX_FUNCTION_MULTIARCH (ethernet_simulated_device_class, simulated_ethernet_interface_tx)
static u32	loopback_instance_alloc (u8 is_specified, u32 want)
static int	loopback_instance_free (u32 instance)
int	vnet_create_loopback_interface (u32 *sw_if_indexp, u8 *mac_address, u8 is_specified, u32 user_instance)
static clib_error_t *	create_simulated_ethernet_interfaces (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
ethernet_interface_t *	ethernet_get_interface (ethernet_main_t *em, u32 hw_if_index)
int	vnet_delete_loopback_interface (u32 sw_if_index)
int	vnet_delete_sub_interface (u32 sw_if_index)
static clib_error_t *	delete_simulated_ethernet_interfaces (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	delete_sub_interface (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)

Variables
static vlib_cli_command_t	create_simulated_ethernet_interface_command
	(constructor) VLIB_CLI_COMMAND (create_simulated_ethernet_interface_command) More...
static vlib_cli_command_t	create_loopback_interface_command
	(constructor) VLIB_CLI_COMMAND (create_loopback_interface_command) More...
static vlib_cli_command_t	delete_simulated_ethernet_interface_command
	(constructor) VLIB_CLI_COMMAND (delete_simulated_ethernet_interface_command) More...
static vlib_cli_command_t	delete_loopback_interface_command
	(constructor) VLIB_CLI_COMMAND (delete_loopback_interface_command) More...
static vlib_cli_command_t	delete_sub_interface_command
	(constructor) VLIB_CLI_COMMAND (delete_sub_interface_command) More...

Detailed Description

Loopback Interfaces.

This file contains code to manage loopback interfaces.

Definition in file interface.c.

Macro Definition Documentation

#define LOOPBACK_MAX_INSTANCE   (16 * 1024)

Definition at line 607 of file interface.c.

Function Documentation

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

static

Definition at line 756 of file interface.c.

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

static

Definition at line 887 of file interface.c.

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

static

Definition at line 916 of file interface.c.

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u8* ethernet_build_rewrite	(	vnet_main_t *	vnm,
		u32	sw_if_index,
		vnet_link_t	link_type,
		const void *	dst_address
	)

build a rewrite string to use for sending packets of type 'link_type' to 'dst_address'

Definition at line 79 of file interface.c.

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void ethernet_delete_interface	(	vnet_main_t *	vnm,
		u32	hw_if_index
	)

Definition at line 321 of file interface.c.

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ethernet_interface_t* ethernet_get_interface	(	ethernet_main_t *	em,
		u32	hw_if_index
	)

Definition at line 828 of file interface.c.

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const u8* ethernet_ip4_mcast_dst_addr

(

void

)

Definition at line 55 of file interface.c.

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const u8* ethernet_ip6_mcast_dst_addr

(

void

)

Definition at line 65 of file interface.c.

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static clib_error_t* ethernet_mac_change ( vnet_hw_interface_t *  hi, char *  mac_address  )

static

Definition at line 221 of file interface.c.

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clib_error_t* ethernet_register_interface	(	vnet_main_t *	vnm,
		u32	dev_class_index,
		u32	dev_instance,
		u8 *	address,
		u32 *	hw_if_index_return,
		ethernet_flag_change_function_t	flag_change
	)

Definition at line 275 of file interface.c.

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u32 ethernet_set_flags	(	vnet_main_t *	vnm,
		u32	hw_if_index,
		u32	flags
	)

Definition at line 367 of file interface.c.

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void ethernet_update_adjacency	(	vnet_main_t *	vnm,
		u32	sw_if_index,
		u32	ai
	)

Definition at line 194 of file interface.c.

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

static

Definition at line 576 of file interface.c.

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static u32 loopback_instance_alloc ( u8  is_specified, u32  want  )

static

Definition at line 610 of file interface.c.

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static int loopback_instance_free ( u32  instance )

static

Definition at line 657 of file interface.c.

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static clib_error_t* simulated_ethernet_admin_up_down ( vnet_main_t *  vnm, u32  hw_if_index, u32  flags  )

static

Definition at line 583 of file interface.c.

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

static

Echo packets back to ethernet/l2-input.

This node is "special." We know, for example, that all of the vnet_buffer (bX)->sw_if_index[VLIB_TX] values [had better!] match.

Please do not copy the code first and ask questions later.

"These are not the droids we're looking. You can go about your business. Move along..."

Definition at line 397 of file interface.c.

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uword unformat_ethernet_interface	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 254 of file interface.c.

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VLIB_DEVICE_TX_FUNCTION_MULTIARCH	(	ethernet_simulated_device_class	,
		simulated_ethernet_interface_tx
	)

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int vnet_create_loopback_interface	(	u32 *	sw_if_indexp,
		u8 *	mac_address,
		u8	is_specified,
		u32	user_instance
	)

Definition at line 677 of file interface.c.

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int vnet_delete_loopback_interface

(

u32

sw_if_index

)

Definition at line 838 of file interface.c.

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int vnet_delete_sub_interface

(

u32

sw_if_index

)

Definition at line 858 of file interface.c.

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VNET_DEVICE_CLASS

(

ethernet_simulated_device_class

)

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VNET_HW_INTERFACE_CLASS

(

ethernet_hw_interface_class

)

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Variable Documentation

vlib_cli_command_t create_loopback_interface_command

static

Initial value:

= {
  .path = "create loopback interface",
  .short_help = "create loopback interface [mac <mac-addr>] [instance <instance>]",
  .function = create_simulated_ethernet_interfaces,
}

(constructor) VLIB_CLI_COMMAND (create_loopback_interface_command)

Definition at line 820 of file interface.c.

vlib_cli_command_t create_simulated_ethernet_interface_command

static

Initial value:

= {
  .path = "loopback create-interface",
  .short_help = "loopback create-interface [mac <mac-addr>] [instance <instance>]",
  .function = create_simulated_ethernet_interfaces,
}

(constructor) VLIB_CLI_COMMAND (create_simulated_ethernet_interface_command)

Definition at line 801 of file interface.c.

vlib_cli_command_t delete_loopback_interface_command

static

Initial value:

= {
  .path = "delete loopback interface",
  .short_help = "delete loopback interface intfc <interface>",
  .function = delete_simulated_ethernet_interfaces,
}

(constructor) VLIB_CLI_COMMAND (delete_loopback_interface_command)

Definition at line 972 of file interface.c.

vlib_cli_command_t delete_simulated_ethernet_interface_command

static

Initial value:

= {
  .path = "loopback delete-interface",
  .short_help = "loopback delete-interface intfc <interface>",
  .function = delete_simulated_ethernet_interfaces,
}

(constructor) VLIB_CLI_COMMAND (delete_simulated_ethernet_interface_command)

Definition at line 954 of file interface.c.

vlib_cli_command_t delete_sub_interface_command

static

Initial value:

= {
  .path = "delete sub-interface",
  .short_help = "delete sub-interface <interface>",
  .function = delete_sub_interface,
}

(constructor) VLIB_CLI_COMMAND (delete_sub_interface_command)

Definition at line 987 of file interface.c.