lcp_interface.c File Reference

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Data Structures
struct	lcp_itf_pair_names_t_
struct	lcp_itf_pair_sweep_ctx_t_

Macros
#define	LCP_ITF_PAIR_DBG(...)   vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);
#define	LCP_ITF_PAIR_INFO(...)   vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);

Typedefs
typedef struct lcp_itf_pair_names_t_	lcp_itf_pair_names_t
typedef struct lcp_itf_pair_sweep_ctx_t_	lcp_itf_pair_sweep_ctx_t

Functions
u32	lcp_itf_num_pairs (void)
u8 *	format_lcp_itf_pair (u8 *s, va_list *args)
static walk_rc_t	lcp_itf_pair_walk_show_cb (index_t api, void *ctx)
void	lcp_itf_pair_show (u32 phy_sw_if_index)
lcp_itf_pair_t *	lcp_itf_pair_get (u32 index)
	Get an interface-pair object from its VPP index. More...
index_t	lcp_itf_pair_find_by_vif (u32 vif_index)
	Find a interface-pair object from the host interface. More...
int	lcp_itf_pair_add_sub (u32 vif, u8 *host_if_name, u32 sub_sw_if_index, u32 phy_sw_if_index, u8 *ns)
static void	lcp_itf_unset_adjs (lcp_itf_pair_t *lip)
static void	lcp_itf_set_adjs (lcp_itf_pair_t *lip)
int __clib_weak	lcp_nl_drain_messages (void)
int	lcp_itf_pair_add (u32 host_sw_if_index, u32 phy_sw_if_index, u8 *host_name, u32 host_index, lip_host_type_t host_type, u8 *ns)
	Create an interface-pair. More...
static clib_error_t *	lcp_netlink_add_link_vlan (int parent, u32 vlan, const char *name)
static clib_error_t *	lcp_netlink_del_link (const char *name)
int	lcp_itf_pair_del (u32 phy_sw_if_index)
static void	lcp_itf_pair_delete_by_index (index_t lipi)
int	lcp_itf_pair_delete (u32 phy_sw_if_index)
	Delete a LCP_ITF_PAIR. More...
void	lcp_itf_pair_walk (lcp_itf_pair_walk_cb_t cb, void *ctx)
	Walk/visit each of the interface pairs. More...
static clib_error_t *	lcp_itf_pair_config (vlib_main_t *vm, unformat_input_t *input)
static int	lcp_validate_if_name (u8 *name)
static int	lcp_itf_get_ns_fd (char *ns_name)
static void	lcp_itf_set_vif_link_state (u32 vif_index, u8 up, u8 *ns)
int	lcp_itf_pair_create (u32 phy_sw_if_index, u8 *host_if_name, lip_host_type_t host_if_type, u8 *ns, u32 *host_sw_if_indexp)
	Create an interface-pair from PHY sw_if_index and tap name. More...
static walk_rc_t	lcp_itf_pair_walk_mark (index_t lipi, void *ctx)
int	lcp_itf_pair_replace_begin (void)
	Begin and End the replace process. More...
static walk_rc_t	lcp_itf_pair_walk_sweep (index_t lipi, void *arg)
int	lcp_itf_pair_replace_end (void)
static uword	lcp_itf_pair_process (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
static clib_error_t *	lcp_itf_phy_add (vnet_main_t *vnm, u32 sw_if_index, u32 is_create)
	VNET_SW_INTERFACE_ADD_DEL_FUNCTION (lcp_itf_phy_add)
static clib_error_t *	lcp_itf_pair_link_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
	VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (lcp_itf_pair_link_up_down)
static clib_error_t *	lcp_itf_pair_init (vlib_main_t *vm)

Variables
static vlib_log_class_t	lcp_itf_pair_logger
lcp_itf_pair_t *	lcp_itf_pair_pool
	Pool of LIP objects. More...
static uword *	lip_db_by_vif
	DBs of interface-pair objects: More...
index_t *	lip_db_by_phy
	Retreive the pair in the DP. More...
u32 *	lip_db_by_host
const char *	lcp_itf_l3_feat_names [N_LCP_ITF_HOST][N_AF]
const fib_route_path_flags_t	lcp_itf_route_path_flags [N_LCP_ITF_HOST]
static lcp_itf_pair_names_t *	lipn_names
static vlib_node_registration_t	lcp_itf_pair_process_node
	(constructor) VLIB_REGISTER_NODE (lcp_itf_pair_process_node) More...

Macro Definition Documentation

LCP_ITF_PAIR_DBG

#define LCP_ITF_PAIR_DBG

(

...

)

vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);

Definition at line 63 of file lcp_interface.c.

LCP_ITF_PAIR_INFO

#define LCP_ITF_PAIR_INFO

(

...

)

vlib_log_notice (lcp_itf_pair_logger, __VA_ARGS__);

Definition at line 66 of file lcp_interface.c.

Typedef Documentation

lcp_itf_pair_names_t

typedef struct lcp_itf_pair_names_t_ lcp_itf_pair_names_t

lcp_itf_pair_sweep_ctx_t

typedef struct lcp_itf_pair_sweep_ctx_t_ lcp_itf_pair_sweep_ctx_t

Function Documentation

format_lcp_itf_pair()

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

Definition at line 70 of file lcp_interface.c.

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lcp_itf_get_ns_fd()

static int lcp_itf_get_ns_fd ( char *  ns_name )

static

Definition at line 601 of file lcp_interface.c.

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lcp_itf_num_pairs()

u32 lcp_itf_num_pairs

(

void

)

Definition at line 48 of file lcp_interface.c.

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lcp_itf_pair_add()

int lcp_itf_pair_add	(	u32	host_sw_if_index,
		u32	phy_sw_if_index,
		u8 *	host_name,
		u32	host_index,
		lip_host_type_t	host_type,
		u8 *	ns
	)

Create an interface-pair.

Returns

error code

Definition at line 226 of file lcp_interface.c.

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lcp_itf_pair_add_sub()

int lcp_itf_pair_add_sub	(	u32	vif,
		u8 *	host_if_name,
		u32	sub_sw_if_index,
		u32	phy_sw_if_index,
		u8 *	ns
	)

Definition at line 160 of file lcp_interface.c.

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lcp_itf_pair_config()

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

static

Definition at line 497 of file lcp_interface.c.

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lcp_itf_pair_create()

int lcp_itf_pair_create	(	u32	phy_sw_if_index,
		u8 *	host_if_name,
		lip_host_type_t	host_if_type,
		u8 *	ns,
		u32 *	host_sw_if_indexp
	)

Create an interface-pair from PHY sw_if_index and tap name.

Returns

error code

Definition at line 642 of file lcp_interface.c.

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lcp_itf_pair_del()

int lcp_itf_pair_del

(

u32

phy_sw_if_index

)

Definition at line 380 of file lcp_interface.c.

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lcp_itf_pair_delete()

int lcp_itf_pair_delete

(

u32

phy_sw_if_index

)

Delete a LCP_ITF_PAIR.

Definition at line 460 of file lcp_interface.c.

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lcp_itf_pair_delete_by_index()

static void lcp_itf_pair_delete_by_index ( index_t  lipi )

static

Definition at line 435 of file lcp_interface.c.

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lcp_itf_pair_find_by_vif()

index_t lcp_itf_pair_find_by_vif

(

u32

vif_index

)

Find a interface-pair object from the host interface.

Parameters

host_sw_if_index

host interface

Returns

VPP's object index

Definition at line 147 of file lcp_interface.c.

lcp_itf_pair_get()

lcp_itf_pair_t* lcp_itf_pair_get

(

u32

index

)

Get an interface-pair object from its VPP index.

Definition at line 141 of file lcp_interface.c.

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lcp_itf_pair_init()

static clib_error_t* lcp_itf_pair_init ( vlib_main_t *  vm )

static

Definition at line 991 of file lcp_interface.c.

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lcp_itf_pair_link_up_down()

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

static

Definition at line 954 of file lcp_interface.c.

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lcp_itf_pair_process()

static uword lcp_itf_pair_process ( vlib_main_t *  vm, vlib_node_runtime_t *  rt, vlib_frame_t *  f  )

static

Definition at line 890 of file lcp_interface.c.

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lcp_itf_pair_replace_begin()

int lcp_itf_pair_replace_begin

(

void

)

Begin and End the replace process.

Definition at line 846 of file lcp_interface.c.

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lcp_itf_pair_replace_end()

int lcp_itf_pair_replace_end

(

void

)

Definition at line 873 of file lcp_interface.c.

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lcp_itf_pair_show()

void lcp_itf_pair_show

(

u32

phy_sw_if_index

)

Definition at line 117 of file lcp_interface.c.

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lcp_itf_pair_walk()

void lcp_itf_pair_walk	(	lcp_itf_pair_walk_cb_t	cb,
		void *	ctx
	)

Walk/visit each of the interface pairs.

Definition at line 475 of file lcp_interface.c.

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lcp_itf_pair_walk_mark()

static walk_rc_t lcp_itf_pair_walk_mark ( index_t  lipi, void *  ctx  )

static

Definition at line 834 of file lcp_interface.c.

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lcp_itf_pair_walk_show_cb()

static walk_rc_t lcp_itf_pair_walk_show_cb ( index_t  api, void *  ctx  )

static

Definition at line 101 of file lcp_interface.c.

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lcp_itf_pair_walk_sweep()

static walk_rc_t lcp_itf_pair_walk_sweep ( index_t  lipi, void *  arg  )

static

Definition at line 859 of file lcp_interface.c.

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lcp_itf_phy_add()

static clib_error_t* lcp_itf_phy_add ( vnet_main_t *  vnm, u32  sw_if_index, u32  is_create  )

static

Definition at line 925 of file lcp_interface.c.

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lcp_itf_set_adjs()

static void lcp_itf_set_adjs ( lcp_itf_pair_t *  lip )

static

Definition at line 195 of file lcp_interface.c.

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lcp_itf_set_vif_link_state()

static void lcp_itf_set_vif_link_state ( u32  vif_index, u8  up, u8 *  ns  )

static

Definition at line 612 of file lcp_interface.c.

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lcp_itf_unset_adjs()

static void lcp_itf_unset_adjs ( lcp_itf_pair_t *  lip )

static

Definition at line 188 of file lcp_interface.c.

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lcp_netlink_add_link_vlan()

static clib_error_t* lcp_netlink_add_link_vlan ( int  parent, u32  vlan, const char *  name  )

static

Definition at line 330 of file lcp_interface.c.

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lcp_netlink_del_link()

static clib_error_t* lcp_netlink_del_link ( const char *  name )

static

Definition at line 357 of file lcp_interface.c.

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lcp_nl_drain_messages()

int __clib_weak lcp_nl_drain_messages

(

void

)

Definition at line 220 of file lcp_interface.c.

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lcp_validate_if_name()

static int lcp_validate_if_name ( u8 *  name )

static

Definition at line 568 of file lcp_interface.c.

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VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION()

VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION

(

lcp_itf_pair_link_up_down

)

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VNET_SW_INTERFACE_ADD_DEL_FUNCTION()

VNET_SW_INTERFACE_ADD_DEL_FUNCTION

(

lcp_itf_phy_add

)

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Variable Documentation

lcp_itf_l3_feat_names

const char* lcp_itf_l3_feat_names[N_LCP_ITF_HOST][N_AF]

Initial value:

= {
  [LCP_ITF_HOST_TAP] = {
    [AF_IP4] = "linux-cp-xc-ip4",
    [AF_IP6] = "linux-cp-xc-ip6",
  },
  [LCP_ITF_HOST_TUN] = {
    [AF_IP4] = "linux-cp-xc-l3-ip4",
    [AF_IP6] = "linux-cp-xc-l3-ip6",
  },
}

Definition at line 171 of file lcp_interface.c.

lcp_itf_pair_logger

vlib_log_class_t lcp_itf_pair_logger

static

Definition at line 40 of file lcp_interface.c.

lcp_itf_pair_pool

lcp_itf_pair_t* lcp_itf_pair_pool

Pool of LIP objects.

Definition at line 45 of file lcp_interface.c.

lcp_itf_pair_process_node

vlib_node_registration_t lcp_itf_pair_process_node

static

Initial value:

= {
  .function = lcp_itf_pair_process,
  .name = "linux-cp-itf-process",
  .type = VLIB_NODE_TYPE_PROCESS,
}

(constructor) VLIB_REGISTER_NODE (lcp_itf_pair_process_node)

Definition at line 918 of file lcp_interface.c.

lcp_itf_route_path_flags

const fib_route_path_flags_t lcp_itf_route_path_flags[N_LCP_ITF_HOST]

Initial value:

= {
  [LCP_ITF_HOST_TAP] = FIB_ROUTE_PATH_DVR,
  [LCP_ITF_HOST_TUN] = FIB_ROUTE_PATH_FLAG_NONE,
}

Definition at line 182 of file lcp_interface.c.

lip_db_by_host

u32* lip_db_by_host

Definition at line 61 of file lcp_interface.c.

lip_db_by_phy

index_t* lip_db_by_phy

Retreive the pair in the DP.

Definition at line 60 of file lcp_interface.c.

lip_db_by_vif

uword* lip_db_by_vif

static

DBs of interface-pair objects:

• key'd by VIF (linux ID)
• key'd by VPP's physical interface
• number of shared uses of VPP's tap/host interface

Definition at line 59 of file lcp_interface.c.

lipn_names

lcp_itf_pair_names_t* lipn_names

static

Definition at line 494 of file lcp_interface.c.