pipe.c File Reference

Pipe Interfaces. More...

Include dependency graph for pipe.c:

Go to the source code of this file.

Data Structures
struct	pipe_main_t_
	Various 'module' lavel variables. More...
struct	pipe_rx_trace_t_
struct	pipe_hw_walk_ctx_t_

Macros
#define	VNET_PIPE_TX_NEXT_ETHERNET_INPUT   VNET_INTERFACE_TX_N_NEXT
#define	foreach_pipe_rx_next   _ (DROP, "error-drop")
#define	PIPE_MAX_INSTANCE   (16 * 1024)

Typedefs
typedef struct pipe_main_t_	pipe_main_t
	Various 'module' lavel variables. More...
typedef enum pipe_rx_next_t_	pipe_rx_next_t
typedef struct pipe_rx_trace_t_	pipe_rx_trace_t
typedef struct pipe_hw_walk_ctx_t_	pipe_hw_walk_ctx_t

Enumerations
enum	pipe_rx_next_t_ { PIPE_RX_N_NEXT }

Functions
static u8 *	pipe_build_rewrite (vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
	VNET_HW_INTERFACE_CLASS (pipe_hw_interface_class)
pipe_t *	pipe_get (u32 sw_if_index)
	Get the pipe instnace based on one end. More...
uword	unformat_pipe_interface (unformat_input_t *input, va_list *args)
static uword	pipe_tx (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static u8 *	format_pipe_name (u8 *s, va_list *args)
static clib_error_t *	pipe_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
	VNET_DEVICE_CLASS (pipe_device_class)
static u8 *	format_pipe_rx_trace (u8 *s, va_list *va)
static_always_inline void	pipe_determine_next_node (ethernet_main_t *em, u32 is_l20, u32 type0, vlib_buffer_t *b0, pipe_rx_next_t *next0)
static_always_inline uword	pipe_rx (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static u32	pipe_instance_alloc (u8 is_specified, u32 want)
static int	pipe_instance_free (u32 instance)
static clib_error_t *	pipe_create_sub_interface (vnet_hw_interface_t *hi, u32 sub_id, u32 *sw_if_index)
int	vnet_create_pipe_interface (u8 is_specified, u32 user_instance, u32 *parent_sw_if_index, u32 pipe_sw_if_index[2])
	Create a new pipe interface. More...
static walk_rc_t	pipe_hw_walk (vnet_main_t *vnm, u32 hw_if_index, void *args)
void	pipe_walk (pipe_cb_fn_t fn, void *ctx)
	Walk all the of pipe interfaces. More...
static clib_error_t *	create_pipe_interfaces (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
int	vnet_delete_pipe_interface (u32 sw_if_index)
static clib_error_t *	delete_pipe_interfaces (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)

Variables
static const pipe_t	PIPE_INVALID
static pipe_main_t	pipe_main
vlib_node_registration_t	pipe_rx_node
	(constructor) VLIB_REGISTER_NODE (pipe_rx_node) More...
static vlib_cli_command_t	pipe_create_interface_command
	(constructor) VLIB_CLI_COMMAND (pipe_create_interface_command) More...
static vlib_cli_command_t	pipe_delete_interface_command
	(constructor) VLIB_CLI_COMMAND (pipe_delete_interface_command) More...

Detailed Description

Pipe Interfaces.

A pipe interface, like the UNIX pipe, is a pair of interfaces that are joined.

Definition in file pipe.c.

Macro Definition Documentation

#define foreach_pipe_rx_next   _ (DROP, "error-drop")

Definition at line 220 of file pipe.c.

#define PIPE_MAX_INSTANCE   (16 * 1024)

Definition at line 461 of file pipe.c.

#define VNET_PIPE_TX_NEXT_ETHERNET_INPUT   VNET_INTERFACE_TX_N_NEXT

Definition at line 123 of file pipe.c.

Typedef Documentation

typedef struct pipe_hw_walk_ctx_t_ pipe_hw_walk_ctx_t

typedef struct pipe_main_t_ pipe_main_t

Various 'module' lavel variables.

typedef enum pipe_rx_next_t_ pipe_rx_next_t

typedef struct pipe_rx_trace_t_ pipe_rx_trace_t

Enumeration Type Documentation

enum pipe_rx_next_t_

Enumerator
PIPE_RX_N_NEXT

Definition at line 223 of file pipe.c.

Function Documentation

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

static

Definition at line 671 of file pipe.c.

Here is the call graph for this function:

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

static

Definition at line 752 of file pipe.c.

Here is the call graph for this function:

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

static

Definition at line 184 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

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

static

Definition at line 237 of file pipe.c.

Here is the call graph for this function:

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

static

Definition at line 191 of file pipe.c.

Here is the call graph for this function:

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

static

Definition at line 58 of file pipe.c.

Here is the call graph for this function:

static clib_error_t* pipe_create_sub_interface ( vnet_hw_interface_t *  hi, u32  sub_id, u32 *  sw_if_index  )

static

Definition at line 524 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static_always_inline void pipe_determine_next_node	(	ethernet_main_t *	em,
		u32	is_l20,
		u32	type0,
		vlib_buffer_t *	b0,
		pipe_rx_next_t *	next0
	)

Definition at line 253 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

pipe_t* pipe_get

(

u32

sw_if_index

)

Get the pipe instnace based on one end.

Definition at line 95 of file pipe.c.

Here is the caller graph for this function:

static walk_rc_t pipe_hw_walk ( vnet_main_t *  vnm, u32  hw_if_index, void *  args  )

static

Definition at line 631 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static u32 pipe_instance_alloc ( u8  is_specified, u32  want  )

static

Definition at line 464 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static int pipe_instance_free ( u32  instance )

static

Definition at line 507 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

static_always_inline uword pipe_rx	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 297 of file pipe.c.

Here is the call graph for this function:

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

static

Definition at line 130 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

void pipe_walk	(	pipe_cb_fn_t	fn,
		void *	ctx
	)

Walk all the of pipe interfaces.

Definition at line 658 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

uword unformat_pipe_interface	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 103 of file pipe.c.

Here is the call graph for this function:

int vnet_create_pipe_interface	(	u8	is_specified,
		u32	user_instance,
		u32 *	parent_sw_if_index,
		u32	pipe_sw_if_index[2]
	)

Create a new pipe interface.

Parameters

is_specified	Has the user speficied a desired instance number
user_instance	The user's desired instnace
parent_sw_index	OUT the created parent interface
pipe_sw_if_index	OUT the ends of the pipe

Definition at line 540 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

int vnet_delete_pipe_interface

(

u32

sw_if_index

)

Definition at line 717 of file pipe.c.

Here is the call graph for this function:

Here is the caller graph for this function:

VNET_DEVICE_CLASS

(

pipe_device_class

)

Here is the caller graph for this function:

VNET_HW_INTERFACE_CLASS

(

pipe_hw_interface_class

)

Here is the caller graph for this function:

Variable Documentation

vlib_cli_command_t pipe_create_interface_command

static

Initial value:

= {
  .path = "pipe create",
  .short_help = "pipe create [instance <instance>]",
  .function = create_pipe_interfaces,
}

(constructor) VLIB_CLI_COMMAND (pipe_create_interface_command)

Definition at line 709 of file pipe.c.

vlib_cli_command_t pipe_delete_interface_command

static

Initial value:

= {
  .path = "pipe delete",
  .short_help = "pipe delete <interface>",
  .function = delete_pipe_interfaces,
}

(constructor) VLIB_CLI_COMMAND (pipe_delete_interface_command)

Definition at line 789 of file pipe.c.

const pipe_t PIPE_INVALID

static

Initial value:

= {
  .sw_if_index = ~0,
  .subint = {0},
}

Definition at line 27 of file pipe.c.

pipe_main_t pipe_main

static

Definition at line 49 of file pipe.c.

vlib_node_registration_t pipe_rx_node

Initial value:

= {
  .function = pipe_rx,
  .name = "pipe-rx",
  
  .vector_size = sizeof (u32),
  .format_trace = format_pipe_rx_trace,

  .sibling_of = "ethernet-input",
}

(constructor) VLIB_REGISTER_NODE (pipe_rx_node)

Definition at line 447 of file pipe.c.