cnat_translation.c File Reference

Include dependency graph for cnat_translation.c:

Go to the source code of this file.

Functions
static void	cnat_tracker_release (cnat_ep_trk_t *trk)
static void	cnat_tracker_track (index_t cti, const cnat_endpoint_tuple_t *path, cnat_ep_trk_t *trk)
void	cnat_add_translation_to_db (index_t cci, u16 port, ip_protocol_t proto, index_t cti)
	Add a translation to the bihash. More...
void	cnat_remove_translation_from_db (index_t cci, u16 port, ip_protocol_t proto)
	Remove a translation from the bihash. More...
static void	cnat_translation_stack (cnat_translation_t *ct)
int	cnat_translation_delete (u32 id)
	Delete a translation. More...
u32	cnat_translation_update (const cnat_endpoint_t *vip, ip_protocol_t proto, const cnat_endpoint_tuple_t *paths, u8 flags)
	create or update a translation More...
void	cnat_translation_walk (cnat_translation_walk_cb_t cb, void *ctx)
	Walk/visit each of the translations. More...
static u8 *	format_cnat_ep_trk (u8 *s, va_list *args)
u8 *	format_cnat_translation (u8 *s, va_list *args)
static clib_error_t *	cnat_translation_show (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
int	cnat_translation_purge (void)
	Purge all the trahslations. More...
static fib_node_t *	cnat_translation_get_node (fib_node_index_t index)
static cnat_translation_t *	cnat_translation_get_from_node (fib_node_t *node)
static void	cnat_translation_last_lock_gone (fib_node_t *node)
static fib_node_back_walk_rc_t	cnat_translation_back_walk_notify (fib_node_t *node, fib_node_back_walk_ctx_t *ctx)
static clib_error_t *	cnat_translation_cli_add_del (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
static clib_error_t *	cnat_translation_init (vlib_main_t *vm)

Variables
cnat_translation_t *	cnat_translation_pool
clib_bihash_8_8_t	cnat_translation_db
static fib_node_type_t	cnat_translation_fib_node_type
vlib_combined_counter_main_t	cnat_translation_counters
	Counters for each translation. More...
static vlib_cli_command_t	cnat_translation_show_cmd_node
	(constructor) VLIB_CLI_COMMAND (cnat_translation_show_cmd_node) More...
static const fib_node_vft_t	cnat_translation_vft
static vlib_cli_command_t	cnat_translation_cli_add_del_command
	(constructor) VLIB_CLI_COMMAND (cnat_translation_cli_add_del_command) More...

Function Documentation

cnat_add_translation_to_db()

void cnat_add_translation_to_db	(	index_t	cci,
		u16	port,
		ip_protocol_t	proto,
		index_t	cti
	)

Add a translation to the bihash.

Parameters

cci	the ID of the parent client
port	the translation port
proto	the translation proto
cti	the translation index to be used as value

Definition at line 66 of file cnat_translation.c.

Here is the caller graph for this function:

cnat_remove_translation_from_db()

void cnat_remove_translation_from_db	(	index_t	cci,
		u16	port,
		ip_protocol_t	proto
	)

Remove a translation from the bihash.

Parameters

cci	the ID of the parent client
port	the translation port
proto	the translation proto

Definition at line 82 of file cnat_translation.c.

Here is the caller graph for this function:

cnat_tracker_release()

static void cnat_tracker_release ( cnat_ep_trk_t *  trk )

static

Definition at line 37 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_tracker_track()

static void cnat_tracker_track ( index_t  cti, const cnat_endpoint_tuple_t *  path, cnat_ep_trk_t *  trk  )

static

Definition at line 43 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_translation_back_walk_notify()

static fib_node_back_walk_rc_t cnat_translation_back_walk_notify ( fib_node_t *  node, fib_node_back_walk_ctx_t *  ctx  )

static

Definition at line 337 of file cnat_translation.c.

Here is the call graph for this function:

cnat_translation_cli_add_del()

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

static

Definition at line 360 of file cnat_translation.c.

Here is the call graph for this function:

cnat_translation_delete()

int cnat_translation_delete

(

u32

id

)

Delete a translation.

Parameters

id	the ID as returned from the create

Definition at line 117 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_translation_get_from_node()

static cnat_translation_t* cnat_translation_get_from_node ( fib_node_t *  node )

static

Definition at line 321 of file cnat_translation.c.

Here is the caller graph for this function:

cnat_translation_get_node()

static fib_node_t* cnat_translation_get_node ( fib_node_index_t  index )

static

Definition at line 314 of file cnat_translation.c.

Here is the call graph for this function:

cnat_translation_init()

static clib_error_t* cnat_translation_init ( vlib_main_t *  vm )

static

Definition at line 411 of file cnat_translation.c.

Here is the call graph for this function:

cnat_translation_last_lock_gone()

static void cnat_translation_last_lock_gone ( fib_node_t *  node )

static

Definition at line 329 of file cnat_translation.c.

cnat_translation_purge()

int cnat_translation_purge

(

void

)

Purge all the trahslations.

Definition at line 283 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_translation_show()

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

static

Definition at line 247 of file cnat_translation.c.

Here is the call graph for this function:

cnat_translation_stack()

static void cnat_translation_stack ( cnat_translation_t *  ct )

static

Definition at line 96 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_translation_update()

u32 cnat_translation_update	(	const cnat_endpoint_t *	vip,
		ip_protocol_t	ip_proto,
		const cnat_endpoint_tuple_t *	backends,
		u8	flags
	)

create or update a translation

Parameters

vip	The Virtual Endpoint
ip_proto	The ip protocol to translate
backends	the backends to choose from

Returns

the ID of the translation. used to delete and gather stats

Definition at line 140 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

cnat_translation_walk()

void cnat_translation_walk	(	cnat_translation_walk_cb_t	cb,
		void *	ctx
	)

Walk/visit each of the translations.

Definition at line 194 of file cnat_translation.c.

Here is the caller graph for this function:

format_cnat_ep_trk()

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

static

Definition at line 208 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

format_cnat_translation()

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

Definition at line 223 of file cnat_translation.c.

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

cnat_translation_cli_add_del_command

vlib_cli_command_t cnat_translation_cli_add_del_command

static

Initial value:

=
{
  .path = "cnat translation",
  .short_help = "cnat translation [add|del] proto [TCP|UDP] [vip|real] [ip] [port] [to [ip] [port]->[ip] [port]]",
  .function = cnat_translation_cli_add_del,
}

(constructor) VLIB_CLI_COMMAND (cnat_translation_cli_add_del_command)

Definition at line 402 of file cnat_translation.c.

cnat_translation_counters

vlib_combined_counter_main_t cnat_translation_counters

Initial value:

= {
  .name = "cnat-translation",
  .stat_segment_name = "/net/cnat-translation",
}

Counters for each translation.

Definition at line 31 of file cnat_translation.c.

cnat_translation_db

clib_bihash_8_8_t cnat_translation_db

Definition at line 27 of file cnat_translation.c.

cnat_translation_fib_node_type

fib_node_type_t cnat_translation_fib_node_type

static

Definition at line 29 of file cnat_translation.c.

cnat_translation_pool

cnat_translation_t* cnat_translation_pool

Definition at line 26 of file cnat_translation.c.

cnat_translation_show_cmd_node

vlib_cli_command_t cnat_translation_show_cmd_node

static

Initial value:

= {
  .path = "show cnat translation",
  .function = cnat_translation_show,
  .short_help = "show cnat translation <VIP>",
  .is_mp_safe = 1,
}

(constructor) VLIB_CLI_COMMAND (cnat_translation_show_cmd_node)

Definition at line 305 of file cnat_translation.c.

cnat_translation_vft

const fib_node_vft_t cnat_translation_vft

static

Initial value:

= {
  .fnv_get = cnat_translation_get_node,
  .fnv_last_lock = cnat_translation_last_lock_gone,
  .fnv_back_walk = cnat_translation_back_walk_notify,
}

Definition at line 353 of file cnat_translation.c.