control.c File Reference

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Data Structures
struct	map_request_args_t
struct	map_records_arg_t
struct	fwd_entry_mt_arg_t
struct	remove_mapping_args_t
struct	lisp_cp_lookup_trace_t
struct	lisp_cp_input_trace_t

Macros
#define	foreach_lisp_cp_lookup_error
#define	foreach_lisp_cp_output_error
#define	send_encapsulated_map_request(lcm, seid, deid, smr)   _send_encapsulated_map_request(lcm, seid, deid, smr, 0)
#define	resend_encapsulated_map_request(lcm, seid, deid, smr)   _send_encapsulated_map_request(lcm, seid, deid, smr, 1)
#define	foreach_lisp_cp_input_error

Enumerations
enum	lisp_cp_input_next_t { LISP_CP_INPUT_NEXT_DROP, LISP_CP_INPUT_N_NEXT }
enum	lisp_cp_lookup_error_t { LISP_CP_LOOKUP_N_ERROR }
enum	lisp_cp_lookup_next_t { LISP_CP_LOOKUP_NEXT_DROP, LISP_CP_LOOKUP_N_NEXT }
enum	lisp_cp_output_error_t { LISP_CP_OUTPUT_N_ERROR }
enum	lisp_cp_input_error_t { LISP_CP_INPUT_N_ERROR }

Functions
u8 *	format_lisp_cp_input_trace (u8 *s, va_list *args)
u8	vnet_lisp_get_map_request_mode (void)
static u16	auth_data_len_by_key_id (lisp_key_type_t key_id)
static const EVP_MD *	get_encrypt_fcn (lisp_key_type_t key_id)
static int	queue_map_request (gid_address_t *seid, gid_address_t *deid, u8 smr_invoked, u8 is_resend)
ip_interface_address_t *	ip_interface_get_first_interface_address (ip_lookup_main_t *lm, u32 sw_if_index, u8 loop)
void *	ip_interface_get_first_address (ip_lookup_main_t *lm, u32 sw_if_index, u8 version)
int	ip_interface_get_first_ip_address (lisp_cp_main_t *lcm, u32 sw_if_index, u8 version, ip_address_t *result)
void	ip_address_to_fib_prefix (const ip_address_t *addr, fib_prefix_t *prefix)
	convert from a LISP address to a FIB prefix More...
void	ip_prefix_to_fib_prefix (const ip_prefix_t *ip_prefix, fib_prefix_t *fib_prefix)
	convert from a LISP to a FIB prefix More...
u32	ip_fib_get_egress_iface_for_dst (lisp_cp_main_t *lcm, ip_address_t *dst)
	Find the sw_if_index of the interface that would be used to egress towards dst. More...
int	ip_fib_get_first_egress_ip_for_dst (lisp_cp_main_t *lcm, ip_address_t *dst, ip_address_t *result)
	Find first IP of the interface that would be used to egress towards dst. More...
static int	dp_add_del_iface (lisp_cp_main_t *lcm, u32 vni, u8 is_l2, u8 is_add)
static void	dp_del_fwd_entry (lisp_cp_main_t *lcm, u32 src_map_index, u32 dst_map_index)
static u32	get_locator_pairs (lisp_cp_main_t *lcm, mapping_t *lcl_map, mapping_t *rmt_map, locator_pair_t **locator_pairs)
	Finds first remote locator with best (lowest) priority that has a local peer locator with an underlying route to it. More...
static void	gid_address_sd_to_flat (gid_address_t *dst, gid_address_t *src, fid_address_t *fid)
u8	vnet_lisp_map_register_state_get (void)
u8	vnet_lisp_rloc_probe_state_get (void)
static void	dp_add_fwd_entry (lisp_cp_main_t *lcm, u32 src_map_index, u32 dst_map_index)
static void *	dp_add_fwd_entry_thread_fn (void *arg)
static int	dp_add_fwd_entry_from_mt (u32 si, u32 di)
lisp_adjacency_t *	vnet_lisp_adjacencies_get_by_vni (u32 vni)
	Returns vector of adjacencies. More...
static lisp_msmr_t *	get_map_server (ip_address_t *a)
static lisp_msmr_t *	get_map_resolver (ip_address_t *a)
int	vnet_lisp_add_del_map_server (ip_address_t *addr, u8 is_add)
int	vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t *a, u32 *map_index_result)
	Add/remove mapping to/from map-cache. More...
int	vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t *a, u32 *map_index_result)
	Add/update/delete mapping to/in/from map-cache. More...
int	vnet_lisp_eid_table_map (u32 vni, u32 dp_id, u8 is_l2, u8 is_add)
static u8	compare_locators (lisp_cp_main_t *lcm, u32 *old_ls_indexes, locator_t *new_locators)
static void	remove_mapping_if_needed (u32 mi, void *arg)
	Callback invoked when a sub-prefix is found. More...
static void	remove_overlapping_sub_prefixes (lisp_cp_main_t *lcm, gid_address_t *eid, u8 is_negative)
	This function searches map cache and looks for IP prefixes that are subset of the provided one. More...
static void	mapping_delete_timer (lisp_cp_main_t *lcm, u32 mi)
static int	is_local_ip (lisp_cp_main_t *lcm, ip_address_t *addr)
int	vnet_lisp_add_del_mapping (gid_address_t *eid, locator_t *rlocs, u8 action, u8 authoritative, u32 ttl, u8 is_add, u8 is_static, u32 *res_map_index)
	Adds/removes/updates mapping. More...
int	vnet_lisp_clear_all_remote_adjacencies (void)
int	vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t *a)
	Adds adjacency or removes forwarding entry associated to remote mapping. More...
int	vnet_lisp_set_map_request_mode (u8 mode)
int	vnet_lisp_pitr_set_locator_set (u8 *locator_set_name, u8 is_add)
int	vnet_lisp_use_petr (ip_address_t *ip, u8 is_add)
	Configure Proxy-ETR. More...
static void	clean_locator_to_locator_set (lisp_cp_main_t *lcm, u32 lsi)
static uword *	get_locator_set_index (vnet_lisp_add_del_locator_set_args_t *a, uword *p)
static int	is_locator_in_locator_set (lisp_cp_main_t *lcm, locator_set_t *ls, locator_t *loc)
static void	remove_locator_from_locator_set (locator_set_t *ls, u32 *locit, u32 ls_index, u32 loc_id)
int	vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t *a, locator_set_t *ls, u32 *ls_result)
int	vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t *a, u32 *ls_result)
int	vnet_lisp_rloc_probe_enable_disable (u8 is_enable)
int	vnet_lisp_map_register_enable_disable (u8 is_enable)
clib_error_t *	vnet_lisp_enable_disable (u8 is_enable)
u8	vnet_lisp_enable_disable_status (void)
int	vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t *a)
int	vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t *a)
u8 *	format_lisp_cp_lookup_trace (u8 *s, va_list *args)
int	get_mr_and_local_iface_ip (lisp_cp_main_t *lcm, ip_address_t *mr_ip, ip_address_t *sloc)
static gid_address_t *	build_itr_rloc_list (lisp_cp_main_t *lcm, locator_set_t *loc_set)
static vlib_buffer_t *	build_map_request (lisp_cp_main_t *lcm, gid_address_t *deid, ip_address_t *sloc, ip_address_t *rloc, gid_address_t *itr_rlocs, u64 *nonce_res, u32 *bi_res)
static vlib_buffer_t *	build_encapsulated_map_request (lisp_cp_main_t *lcm, gid_address_t *seid, gid_address_t *deid, locator_set_t *loc_set, ip_address_t *mr_ip, ip_address_t *sloc, u8 is_smr_invoked, u64 *nonce_res, u32 *bi_res)
static void	reset_pending_mr_counters (pending_map_request_t *r)
static int	elect_map_resolver (lisp_cp_main_t *lcm)
static void	free_map_register_records (mapping_t *maps)
static void	add_locators (lisp_cp_main_t *lcm, mapping_t *m, u32 locator_set_index, ip_address_t *probed_loc)
static mapping_t *	build_map_register_record_list (lisp_cp_main_t *lcm)
static int	update_map_register_auth_data (map_register_hdr_t *map_reg_hdr, lisp_key_type_t key_id, u8 *key, u16 auth_data_len, u32 msg_len)
static vlib_buffer_t *	build_map_register (lisp_cp_main_t *lcm, ip_address_t *sloc, ip_address_t *ms_ip, u64 *nonce_res, u8 want_map_notif, mapping_t *records, lisp_key_type_t key_id, u8 *key, u32 *bi_res)
static int	get_egress_map_resolver_ip (lisp_cp_main_t *lcm, ip_address_t *ip)
static uword	lisp_cp_output (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static int	send_rloc_probe (lisp_cp_main_t *lcm, gid_address_t *deid, u32 local_locator_set_index, ip_address_t *sloc, ip_address_t *rloc)
static int	send_rloc_probes (lisp_cp_main_t *lcm)
static int	send_map_register (lisp_cp_main_t *lcm, u8 want_map_notif)
static void	get_src_and_dst_ip (void *hdr, ip_address_t *src, ip_address_t *dst)
static u32	lisp_get_vni_from_buffer_ip (lisp_cp_main_t *lcm, vlib_buffer_t *b, u8 version)
static u32	lisp_get_vni_from_buffer_eth (lisp_cp_main_t *lcm, vlib_buffer_t *b)
void	get_src_and_dst_eids_from_buffer (lisp_cp_main_t *lcm, vlib_buffer_t *b, gid_address_t *src, gid_address_t *dst, u16 type)
static uword	lisp_cp_lookup_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, int overlay)
static uword	lisp_cp_lookup_ip4 (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	lisp_cp_lookup_ip6 (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	lisp_cp_lookup_l2 (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	lisp_cp_lookup_nsh (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static void	remove_expired_mapping (lisp_cp_main_t *lcm, u32 mi)
static void	mapping_start_expiration_timer (lisp_cp_main_t *lcm, u32 mi, f64 expiration_time)
static void	map_records_arg_free (map_records_arg_t *a)
void *	process_map_reply (map_records_arg_t *a)
static int	is_auth_data_valid (map_notify_hdr_t *h, u32 msg_len, lisp_key_type_t key_id, u8 *key)
static void	process_map_notify (map_records_arg_t *a)
static mapping_t *	get_mapping (lisp_cp_main_t *lcm, gid_address_t *e)
static int	map_record_integrity_check (lisp_cp_main_t *lcm, mapping_t *maps, u32 key_id, u8 **key_out)
	When map-notify is received it is necessary that all EIDs in the record list share common key. More...
static int	parse_map_records (vlib_buffer_t *b, map_records_arg_t *a, u8 count)
static map_records_arg_t *	parse_map_notify (vlib_buffer_t *b)
static vlib_buffer_t *	build_map_reply (lisp_cp_main_t *lcm, ip_address_t *sloc, ip_address_t *dst, u64 nonce, u8 probe_bit, mapping_t *records, u16 dst_port, u32 *bi_res)
static int	send_map_reply (lisp_cp_main_t *lcm, u32 mi, ip_address_t *dst, u8 probe_bit, u64 nonce, u16 dst_port, ip_address_t *probed_loc)
static void	find_ip_header (vlib_buffer_t *b, u8 **ip_hdr)
void	process_map_request (vlib_main_t *vm, vlib_node_runtime_t *node, lisp_cp_main_t *lcm, vlib_buffer_t *b)
static map_records_arg_t *	parse_map_reply (vlib_buffer_t *b)
static void	queue_map_reply_for_processing (map_records_arg_t *a)
static void	queue_map_notify_for_processing (map_records_arg_t *a)
static uword	lisp_cp_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
clib_error_t *	lisp_cp_init (vlib_main_t *vm)
static int	lisp_stats_api_fill (lisp_cp_main_t *lcm, lisp_gpe_main_t *lgm, lisp_api_stats_t *stat, lisp_stats_key_t *key, u32 stats_index)
lisp_api_stats_t *	vnet_lisp_get_stats (void)
static void *	send_map_request_thread_fn (void *arg)
static void	update_pending_request (pending_map_request_t *r, f64 dt)
	Take an action with a pending map request depending on expiration time and re-try counters. More...
static void	remove_dead_pending_map_requests (lisp_cp_main_t *lcm)
static void	update_rloc_probing (lisp_cp_main_t *lcm, f64 dt)
static void	update_map_register (lisp_cp_main_t *lcm, f64 dt)
static uword	send_map_resolver_service (vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
vnet_api_error_t	vnet_lisp_stats_enable_disable (u8 enable)
u8	vnet_lisp_stats_enable_disable_state (void)

Variables
lisp_cp_main_t	lisp_control_main
static char *	lisp_cp_lookup_error_strings []
static char *	lisp_cp_output_error_strings []
vlib_node_registration_t	lisp_cp_output_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_output_node) More...
vlib_node_registration_t	lisp_cp_lookup_ip4_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node) More...
vlib_node_registration_t	lisp_cp_lookup_ip6_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node) More...
vlib_node_registration_t	lisp_cp_lookup_l2_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_l2_node) More...
vlib_node_registration_t	lisp_cp_lookup_nsh_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_nsh_node) More...
static char *	lisp_cp_input_error_strings []
vlib_node_registration_t	lisp_cp_input_node
	(constructor) VLIB_REGISTER_NODE (lisp_cp_input_node) More...
static vlib_node_registration_t	lisp_retry_service_node
	(constructor) VLIB_REGISTER_NODE (lisp_retry_service_node) More...

Macro Definition Documentation

#define foreach_lisp_cp_input_error

Value:

_(DROP, "drop")                                                   \
_(RLOC_PROBE_REQ_RECEIVED, "rloc-probe requests received")        \
_(RLOC_PROBE_REP_RECEIVED, "rloc-probe replies received")         \
_(MAP_NOTIFIES_RECEIVED, "map-notifies received")                 \
_(MAP_REPLIES_RECEIVED, "map-replies received")

Definition at line 2919 of file control.c.

#define foreach_lisp_cp_lookup_error

Value:

_(DROP, "drop")                                \
_(MAP_REQUESTS_SENT, "map-request sent")

Definition at line 1873 of file control.c.

#define foreach_lisp_cp_output_error

Value:

_(MAP_REGISTERS_SENT, "map-registers sent")           \
_(RLOC_PROBES_SENT, "rloc-probes sent")

Definition at line 2258 of file control.c.

#define resend_encapsulated_map_request	(		lcm,
			seid,
			deid,
			smr
	)		_send_encapsulated_map_request(lcm, seid, deid, smr, 1)

Definition at line 2462 of file control.c.

#define send_encapsulated_map_request	(		lcm,
			seid,
			deid,
			smr
	)		_send_encapsulated_map_request(lcm, seid, deid, smr, 0)

Definition at line 2459 of file control.c.

Enumeration Type Documentation

enum lisp_cp_input_error_t

Enumerator
LISP_CP_INPUT_N_ERROR

Definition at line 2932 of file control.c.

enum lisp_cp_input_next_t

Enumerator
LISP_CP_INPUT_NEXT_DROP
LISP_CP_INPUT_N_NEXT

Definition at line 33 of file control.c.

enum lisp_cp_lookup_error_t

Enumerator
LISP_CP_LOOKUP_N_ERROR

Definition at line 1883 of file control.c.

enum lisp_cp_lookup_next_t

Enumerator
LISP_CP_LOOKUP_NEXT_DROP
LISP_CP_LOOKUP_N_NEXT

Definition at line 1891 of file control.c.

enum lisp_cp_output_error_t

Enumerator
LISP_CP_OUTPUT_N_ERROR

Definition at line 2268 of file control.c.

Function Documentation

static void add_locators ( lisp_cp_main_t *  lcm, mapping_t *  m, u32  locator_set_index, ip_address_t *  probed_loc  )

static

Definition at line 2118 of file control.c.

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static u16 auth_data_len_by_key_id ( lisp_key_type_t  key_id )

static

Definition at line 62 of file control.c.

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static vlib_buffer_t* build_encapsulated_map_request ( lisp_cp_main_t *  lcm, gid_address_t *  seid, gid_address_t *  deid, locator_set_t *  loc_set, ip_address_t *  mr_ip, ip_address_t *  sloc, u8  is_smr_invoked, u64 *  nonce_res, u32 *  bi_res  )

static

Definition at line 2030 of file control.c.

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static gid_address_t* build_itr_rloc_list ( lisp_cp_main_t *  lcm, locator_set_t *  loc_set  )

static

Definition at line 1948 of file control.c.

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static vlib_buffer_t* build_map_register ( lisp_cp_main_t *  lcm, ip_address_t *  sloc, ip_address_t *  ms_ip, u64 *  nonce_res, u8  want_map_notif, mapping_t *  records, lisp_key_type_t  key_id, u8 *  key, u32 *  bi_res  )

static

Definition at line 2200 of file control.c.

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static mapping_t* build_map_register_record_list ( lisp_cp_main_t *  lcm )

static

Definition at line 2163 of file control.c.

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static vlib_buffer_t* build_map_reply ( lisp_cp_main_t *  lcm, ip_address_t *  sloc, ip_address_t *  dst, u64  nonce, u8  probe_bit, mapping_t *  records, u16  dst_port, u32 *  bi_res  )

static

Definition at line 3249 of file control.c.

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static vlib_buffer_t* build_map_request ( lisp_cp_main_t *  lcm, gid_address_t *  deid, ip_address_t *  sloc, ip_address_t *  rloc, gid_address_t *  itr_rlocs, u64 *  nonce_res, u32 *  bi_res  )

static

Definition at line 1997 of file control.c.

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static void clean_locator_to_locator_set ( lisp_cp_main_t *  lcm, u32  lsi  )

static

Definition at line 1397 of file control.c.

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static u8 compare_locators ( lisp_cp_main_t *  lcm, u32 *  old_ls_indexes, locator_t *  new_locators  )

static

Definition at line 889 of file control.c.

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static int dp_add_del_iface ( lisp_cp_main_t *  lcm, u32  vni, u8  is_l2, u8  is_add  )

static

Definition at line 222 of file control.c.

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static void dp_add_fwd_entry ( lisp_cp_main_t *  lcm, u32  src_map_index, u32  dst_map_index  )

static

Definition at line 434 of file control.c.

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static int dp_add_fwd_entry_from_mt ( u32  si, u32  di  )

static

Definition at line 576 of file control.c.

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static void* dp_add_fwd_entry_thread_fn ( void *  arg )

static

Definition at line 567 of file control.c.

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static void dp_del_fwd_entry ( lisp_cp_main_t *  lcm, u32  src_map_index, u32  dst_map_index  )

static

Definition at line 266 of file control.c.

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static int elect_map_resolver ( lisp_cp_main_t *  lcm )

static

Definition at line 2092 of file control.c.

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static void find_ip_header ( vlib_buffer_t *  b, u8 **  ip_hdr  )

static

Definition at line 3325 of file control.c.

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

Definition at line 2947 of file control.c.

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

Definition at line 1904 of file control.c.

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static void free_map_register_records ( mapping_t *  maps )

static

Definition at line 2109 of file control.c.

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static int get_egress_map_resolver_ip ( lisp_cp_main_t *  lcm, ip_address_t *  ip  )

static

Definition at line 2238 of file control.c.

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static const EVP_MD* get_encrypt_fcn ( lisp_key_type_t  key_id )

static

Definition at line 78 of file control.c.

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static u32 get_locator_pairs ( lisp_cp_main_t *  lcm, mapping_t *  lcl_map, mapping_t *  rmt_map, locator_pair_t **  locator_pairs  )

static

Finds first remote locator with best (lowest) priority that has a local peer locator with an underlying route to it.

Definition at line 303 of file control.c.

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static uword* get_locator_set_index ( vnet_lisp_add_del_locator_set_args_t *  a, uword *  p  )

inlinestatic

Definition at line 1436 of file control.c.

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static lisp_msmr_t* get_map_resolver ( ip_address_t *  a )

static

Definition at line 636 of file control.c.

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static lisp_msmr_t* get_map_server ( ip_address_t *  a )

static

Definition at line 620 of file control.c.

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static mapping_t* get_mapping ( lisp_cp_main_t *  lcm, gid_address_t *  e  )

static

Definition at line 3119 of file control.c.

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int get_mr_and_local_iface_ip	(	lisp_cp_main_t *	lcm,
		ip_address_t *	mr_ip,
		ip_address_t *	sloc
	)

Definition at line 1917 of file control.c.

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void get_src_and_dst_eids_from_buffer	(	lisp_cp_main_t *	lcm,
		vlib_buffer_t *	b,
		gid_address_t *	src,
		gid_address_t *	dst,
		u16	type
	)

Definition at line 2666 of file control.c.

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static void get_src_and_dst_ip ( void *  hdr, ip_address_t *  src, ip_address_t *  dst  )

static

Definition at line 2599 of file control.c.

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static void gid_address_sd_to_flat ( gid_address_t *  dst, gid_address_t *  src, fid_address_t *  fid  )

static

Definition at line 396 of file control.c.

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void ip_address_to_fib_prefix	(	const ip_address_t *	addr,
		fib_prefix_t *	prefix
	)

convert from a LISP address to a FIB prefix

Definition at line 144 of file control.c.

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u32 ip_fib_get_egress_iface_for_dst	(	lisp_cp_main_t *	lcm,
		ip_address_t *	dst
	)

Find the sw_if_index of the interface that would be used to egress towards dst.

Definition at line 177 of file control.c.

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int ip_fib_get_first_egress_ip_for_dst	(	lisp_cp_main_t *	lcm,
		ip_address_t *	dst,
		ip_address_t *	result
	)

Find first IP of the interface that would be used to egress towards dst.

Returns 1 if the address is found 0 otherwise.

Definition at line 194 of file control.c.

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void* ip_interface_get_first_address	(	ip_lookup_main_t *	lm,
		u32	sw_if_index,
		u8	version
	)

Definition at line 113 of file control.c.

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ip_interface_address_t* ip_interface_get_first_interface_address	(	ip_lookup_main_t *	lm,
		u32	sw_if_index,
		u8	loop
	)

Definition at line 98 of file control.c.

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int ip_interface_get_first_ip_address	(	lisp_cp_main_t *	lcm,
		u32	sw_if_index,
		u8	version,
		ip_address_t *	result
	)

Definition at line 125 of file control.c.

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void ip_prefix_to_fib_prefix	(	const ip_prefix_t *	ip_prefix,
		fib_prefix_t *	fib_prefix
	)

convert from a LISP to a FIB prefix

Definition at line 165 of file control.c.

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static int is_auth_data_valid ( map_notify_hdr_t *  h, u32  msg_len, lisp_key_type_t  key_id, u8 *  key  )

static

Definition at line 3068 of file control.c.

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static int is_local_ip ( lisp_cp_main_t *  lcm, ip_address_t *  addr  )

static

Definition at line 1008 of file control.c.

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static int is_locator_in_locator_set ( lisp_cp_main_t *  lcm, locator_set_t *  ls, locator_t *  loc  )

inlinestatic

Definition at line 1457 of file control.c.

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clib_error_t* lisp_cp_init

(

vlib_main_t *

vm

)

Definition at line 3579 of file control.c.

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static uword lisp_cp_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 3478 of file control.c.

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static uword lisp_cp_lookup_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame, int  overlay  )

static

Definition at line 2720 of file control.c.

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static uword lisp_cp_lookup_ip4 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 2814 of file control.c.

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static uword lisp_cp_lookup_ip6 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 2821 of file control.c.

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static uword lisp_cp_lookup_l2 ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 2828 of file control.c.

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static uword lisp_cp_lookup_nsh ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 2835 of file control.c.

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static uword lisp_cp_output ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 2277 of file control.c.

static u32 lisp_get_vni_from_buffer_eth ( lisp_cp_main_t *  lcm, vlib_buffer_t *  b  )

inlinestatic

Definition at line 2641 of file control.c.

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static u32 lisp_get_vni_from_buffer_ip ( lisp_cp_main_t *  lcm, vlib_buffer_t *  b, u8  version  )

static

Definition at line 2618 of file control.c.

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static int lisp_stats_api_fill ( lisp_cp_main_t *  lcm, lisp_gpe_main_t *  lgm, lisp_api_stats_t *  stat, lisp_stats_key_t *  key, u32  stats_index  )

static

Definition at line 3615 of file control.c.

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static int map_record_integrity_check ( lisp_cp_main_t *  lcm, mapping_t *  maps, u32  key_id, u8 **  key_out  )

static

When map-notify is received it is necessary that all EIDs in the record list share common key.

The key is then used to verify authentication data in map-notify message.

Definition at line 3139 of file control.c.

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static void map_records_arg_free ( map_records_arg_t *  a )

static

Definition at line 2993 of file control.c.

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static void mapping_delete_timer ( lisp_cp_main_t *  lcm, u32  mi  )

static

Definition at line 1002 of file control.c.

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static void mapping_start_expiration_timer ( lisp_cp_main_t *  lcm, u32  mi, f64  expiration_time  )

static

Definition at line 2978 of file control.c.

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static map_records_arg_t* parse_map_notify ( vlib_buffer_t *  b )

static

Definition at line 3197 of file control.c.

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static int parse_map_records ( vlib_buffer_t *  b, map_records_arg_t *  a, u8  count  )

static

Definition at line 3168 of file control.c.

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static map_records_arg_t* parse_map_reply ( vlib_buffer_t *  b )

static

Definition at line 3423 of file control.c.

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static void process_map_notify ( map_records_arg_t *  a )

static

Definition at line 3101 of file control.c.

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void* process_map_reply

(

map_records_arg_t *

a

)

Definition at line 3006 of file control.c.

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void process_map_request	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		lisp_cp_main_t *	lcm,
		vlib_buffer_t *	b
	)

Definition at line 3340 of file control.c.

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static void queue_map_notify_for_processing ( map_records_arg_t *  a )

static

Definition at line 3472 of file control.c.

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static void queue_map_reply_for_processing ( map_records_arg_t *  a )

static

Definition at line 3466 of file control.c.

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static int queue_map_request ( gid_address_t *  seid, gid_address_t *  deid, u8  smr_invoked, u8  is_resend  )

static

Definition at line 3679 of file control.c.

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static void remove_dead_pending_map_requests ( lisp_cp_main_t *  lcm )

static

Definition at line 3749 of file control.c.

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static void remove_expired_mapping ( lisp_cp_main_t *  lcm, u32  mi  )

static

Definition at line 2959 of file control.c.

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static void remove_locator_from_locator_set ( locator_set_t *  ls, u32 *  locit, u32  ls_index, u32  loc_id  )

inlinestatic

Definition at line 1481 of file control.c.

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static void remove_mapping_if_needed ( u32  mi, void *  arg  )

static

Callback invoked when a sub-prefix is found.

Definition at line 922 of file control.c.

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static void remove_overlapping_sub_prefixes ( lisp_cp_main_t *  lcm, gid_address_t *  eid, u8  is_negative  )

static

This function searches map cache and looks for IP prefixes that are subset of the provided one.

If such prefix is found depending on 'is_negative' it does follows:

1) if is_negative is true and found prefix points to positive mapping, then the mapping is removed 2) if is_negative is false and found prefix points to negative mapping, then the mapping is removed

Definition at line 962 of file control.c.

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static void reset_pending_mr_counters ( pending_map_request_t *  r )

static

Definition at line 2085 of file control.c.

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static int send_map_register ( lisp_cp_main_t *  lcm, u8  want_map_notif  )

static

Definition at line 2389 of file control.c.

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static int send_map_reply ( lisp_cp_main_t *  lcm, u32  mi, ip_address_t *  dst, u8  probe_bit, u64  nonce, u16  dst_port, ip_address_t *  probed_loc  )

static

Definition at line 3278 of file control.c.

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static void* send_map_request_thread_fn ( void *  arg )

static

Definition at line 3665 of file control.c.

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

static

Definition at line 3815 of file control.c.

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static int send_rloc_probe ( lisp_cp_main_t *  lcm, gid_address_t *  deid, u32  local_locator_set_index, ip_address_t *  sloc, ip_address_t *  rloc  )

static

Definition at line 2304 of file control.c.

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static int send_rloc_probes ( lisp_cp_main_t *  lcm )

static

Definition at line 2342 of file control.c.

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static void update_map_register ( lisp_cp_main_t *  lcm, f64  dt  )

static

Definition at line 3792 of file control.c.

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static int update_map_register_auth_data ( map_register_hdr_t *  map_reg_hdr, lisp_key_type_t  key_id, u8 *  key, u16  auth_data_len, u32  msg_len  )

static

Definition at line 2184 of file control.c.

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static void update_pending_request ( pending_map_request_t *  r, f64  dt  )

static

Take an action with a pending map request depending on expiration time and re-try counters.

Definition at line 3699 of file control.c.

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static void update_rloc_probing ( lisp_cp_main_t *  lcm, f64  dt  )

static

Definition at line 3776 of file control.c.

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int vnet_lisp_add_del_adjacency

(

vnet_lisp_add_del_adjacency_args_t *

a

)

Adds adjacency or removes forwarding entry associated to remote mapping.

Note that adjacencies are not stored, they only result in forwarding entries being created.

Definition at line 1219 of file control.c.

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int vnet_lisp_add_del_local_mapping	(	vnet_lisp_add_del_mapping_args_t *	a,
		u32 *	map_index_result
	)

Add/update/delete mapping to/in/from map-cache.

Definition at line 798 of file control.c.

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int vnet_lisp_add_del_locator	(	vnet_lisp_add_del_locator_set_args_t *	a,
		locator_set_t *	ls,
		u32 *	ls_result
	)

Definition at line 1497 of file control.c.

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int vnet_lisp_add_del_locator_set	(	vnet_lisp_add_del_locator_set_args_t *	a,
		u32 *	ls_result
	)

Definition at line 1587 of file control.c.

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int vnet_lisp_add_del_map_resolver

(

vnet_lisp_add_del_map_resolver_args_t *

a

)

Definition at line 1794 of file control.c.

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int vnet_lisp_add_del_map_server	(	ip_address_t *	addr,
		u8	is_add
	)

Definition at line 652 of file control.c.

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int vnet_lisp_add_del_mapping	(	gid_address_t *	eid,
		locator_t *	rlocs,
		u8	action,
		u8	authoritative,
		u32	ttl,
		u8	is_add,
		u8	is_static,
		u32 *	res_map_index
	)

Adds/removes/updates mapping.

Does not program forwarding.

Parameters

eid	end-host identifier
rlocs	vector of remote locators
action	action for negative map-reply
is_add	add mapping if non-zero, delete otherwise
res_map_index	the map-index that was created/updated/removed. It is set to ~0 if no action is taken.
is_static	used for distinguishing between statically learned remote mappings and mappings obtained from MR

Returns

return code

Definition at line 1035 of file control.c.

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int vnet_lisp_add_del_mreq_itr_rlocs

(

vnet_lisp_add_del_mreq_itr_rloc_args_t *

a

)

Definition at line 1842 of file control.c.

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lisp_adjacency_t* vnet_lisp_adjacencies_get_by_vni

(

u32

vni

)

Returns vector of adjacencies.

The caller must free the vector returned by this function.

Parameters

vni	virtual network identifier

Returns

vector of adjacencies

Definition at line 598 of file control.c.

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int vnet_lisp_clear_all_remote_adjacencies

(

void

)

Definition at line 1168 of file control.c.

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int vnet_lisp_eid_table_map	(	u32	vni,
		u32	dp_id,
		u8	is_l2,
		u8	is_add
	)

Definition at line 832 of file control.c.

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clib_error_t* vnet_lisp_enable_disable

(

u8

is_enable

)

Definition at line 1745 of file control.c.

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u8 vnet_lisp_enable_disable_status

(

void

)

Definition at line 1787 of file control.c.

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u8 vnet_lisp_get_map_request_mode

(

void

)

Definition at line 55 of file control.c.

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lisp_api_stats_t* vnet_lisp_get_stats

(

void

)

Definition at line 3645 of file control.c.

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int vnet_lisp_map_cache_add_del	(	vnet_lisp_add_del_mapping_args_t *	a,
		u32 *	map_index_result
	)

Add/remove mapping to/from map-cache.

Overwriting not allowed.

Definition at line 697 of file control.c.

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int vnet_lisp_map_register_enable_disable

(

u8

is_enable

)

Definition at line 1736 of file control.c.

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u8 vnet_lisp_map_register_state_get

(

void

)

Definition at line 420 of file control.c.

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int vnet_lisp_pitr_set_locator_set	(	u8 *	locator_set_name,
		u8	is_add
	)

Definition at line 1286 of file control.c.

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int vnet_lisp_rloc_probe_enable_disable

(

u8

is_enable

)

Definition at line 1727 of file control.c.

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u8 vnet_lisp_rloc_probe_state_get

(

void

)

Definition at line 427 of file control.c.

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int vnet_lisp_set_map_request_mode

(

u8

mode

)

Definition at line 1265 of file control.c.

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vnet_api_error_t vnet_lisp_stats_enable_disable

(

u8

enable

)

Definition at line 3862 of file control.c.

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u8 vnet_lisp_stats_enable_disable_state

(

void

)

Definition at line 3878 of file control.c.

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int vnet_lisp_use_petr	(	ip_address_t *	ip,
		u8	is_add
	)

Configure Proxy-ETR.

Parameters

ip	PETR's IP address
is_add	Flag that indicates if this is an addition or removal

return 0 on success

Definition at line 1338 of file control.c.

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Variable Documentation

lisp_cp_main_t lisp_control_main

Definition at line 29 of file control.c.

char* lisp_cp_input_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_lisp_cp_input_error

}

Definition at line 2926 of file control.c.

vlib_node_registration_t lisp_cp_input_node

Initial value:

= {
  .function = lisp_cp_input,
  .name = "lisp-cp-input",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_input_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_INPUT_N_ERROR,
  .error_strings = lisp_cp_input_error_strings,

  .n_next_nodes = LISP_CP_INPUT_N_NEXT,

  .next_nodes = {
      [LISP_CP_INPUT_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_input_node)

Definition at line 3560 of file control.c.

char* lisp_cp_lookup_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_lisp_cp_lookup_error

}

Definition at line 1877 of file control.c.

vlib_node_registration_t lisp_cp_lookup_ip4_node

Initial value:

= {
  .function = lisp_cp_lookup_ip4,
  .name = "lisp-cp-lookup-ip4",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_lookup_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_LOOKUP_N_ERROR,
  .error_strings = lisp_cp_lookup_error_strings,

  .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,

  .next_nodes = {
      [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node)

Definition at line 2843 of file control.c.

vlib_node_registration_t lisp_cp_lookup_ip6_node

Initial value:

= {
  .function = lisp_cp_lookup_ip6,
  .name = "lisp-cp-lookup-ip6",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_lookup_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_LOOKUP_N_ERROR,
  .error_strings = lisp_cp_lookup_error_strings,

  .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,

  .next_nodes = {
      [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node)

Definition at line 2862 of file control.c.

vlib_node_registration_t lisp_cp_lookup_l2_node

Initial value:

= {
  .function = lisp_cp_lookup_l2,
  .name = "lisp-cp-lookup-l2",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_lookup_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_LOOKUP_N_ERROR,
  .error_strings = lisp_cp_lookup_error_strings,

  .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,

  .next_nodes = {
      [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_l2_node)

Definition at line 2881 of file control.c.

vlib_node_registration_t lisp_cp_lookup_nsh_node

Initial value:

= {
  .function = lisp_cp_lookup_nsh,
  .name = "lisp-cp-lookup-nsh",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_lookup_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_LOOKUP_N_ERROR,
  .error_strings = lisp_cp_lookup_error_strings,

  .n_next_nodes = LISP_CP_LOOKUP_N_NEXT,

  .next_nodes = {
      [LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_nsh_node)

Definition at line 2900 of file control.c.

char* lisp_cp_output_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_lisp_cp_output_error

}

Definition at line 2262 of file control.c.

vlib_node_registration_t lisp_cp_output_node

Initial value:

= {
  .function = lisp_cp_output,
  .name = "lisp-cp-output",
  .vector_size = sizeof (u32),
  .format_trace = format_lisp_cp_input_trace,
  .type = VLIB_NODE_TYPE_INTERNAL,

  .n_errors = LISP_CP_OUTPUT_N_ERROR,
  .error_strings = lisp_cp_output_error_strings,

  .n_next_nodes = LISP_CP_INPUT_N_NEXT,

  .next_nodes = {
      [LISP_CP_INPUT_NEXT_DROP] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (lisp_cp_output_node)

Definition at line 2285 of file control.c.

vlib_node_registration_t lisp_retry_service_node

static

Initial value:

= {
    .function = send_map_resolver_service,
    .type = VLIB_NODE_TYPE_PROCESS,
    .name = "lisp-retry-service",
    .process_log2_n_stack_bytes = 16,
}

(constructor) VLIB_REGISTER_NODE (lisp_retry_service_node)

Definition at line 3889 of file control.c.