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Vector Packet Processing
control.c File Reference
+ Include dependency graph for control.c:

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Data Structures

struct  map_request_args_t
 
struct  fwd_entry_mt_arg_t
 
struct  lisp_add_l2_arp_ndp_args_t
 
struct  remove_mapping_args_t
 
struct  lisp_cp_lookup_trace_t
 
struct  lisp_cp_input_trace_t
 

Macros

#define MAX_VALUE_U24   0xffffff
 
#define TIME_UNTIL_REFETCH_OR_DELETE   20
 
#define MAPPING_TIMEOUT   (((m->ttl) * 60) - TIME_UNTIL_REFETCH_OR_DELETE)
 
#define foreach_lisp_cp_lookup_error
 
#define foreach_msmr
 
#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_NEXT_ARP_NDP_REPLY_TX, 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

u8format_lisp_cp_input_trace (u8 *s, va_list *args)
 
static void * send_map_request_thread_fn (void *arg)
 
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_tip_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 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_tvnet_lisp_adjacencies_get_by_vni (u32 vni)
 Returns vector of adjacencies. More...
 
static lisp_msmr_tget_map_server (ip_address_t *a)
 
static lisp_msmr_tget_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...
 
static void add_l2_arp_bd (BVT(clib_bihash_kv)*kvp, void *arg)
 
u32vnet_lisp_l2_arp_bds_get (void)
 
static void add_ndp_bd (BVT(clib_bihash_kv)*kvp, void *arg)
 
u32vnet_lisp_ndp_bds_get (void)
 
static void add_l2_arp_entry (BVT(clib_bihash_kv)*kvp, void *arg)
 
lisp_api_l2_arp_entry_tvnet_lisp_l2_arp_entries_get_by_bd (u32 bd)
 
static void add_ndp_entry (BVT(clib_bihash_kv)*kvp, void *arg)
 
lisp_api_ndp_entry_tvnet_lisp_ndp_entries_get_by_bd (u32 bd)
 
int vnet_lisp_add_del_l2_arp_ndp_entry (gid_address_t *key, u8 *mac, u8 is_add)
 
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_mapping (vnet_lisp_add_del_mapping_args_t *a, locator_t *rlocs, u32 *res_map_index, u8 *is_updated)
 Adds/updates mapping. More...
 
int vnet_lisp_del_mapping (gid_address_t *eid, u32 *res_map_index)
 Removes a 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_nsh_set_locator_set (u8 *locator_set_name, u8 is_add)
 
int vnet_lisp_pitr_set_locator_set (u8 *locator_set_name, u8 is_add)
 
int vnet_lisp_map_register_fallback_threshold_set (u32 value)
 
u32 vnet_lisp_map_register_fallback_threshold_get (void)
 
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 uwordget_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 update_adjacencies_by_map_index (lisp_cp_main_t *lcm, u8 is_local, u32 mapping_index, u8 remove_only)
 
static void update_fwd_entries_by_locator_set (lisp_cp_main_t *lcm, u8 is_local, u32 ls_index, u8 remove_only)
 
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_tvnet_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_map_register_set_ttl (u32 ttl)
 
u32 vnet_lisp_map_register_get_ttl (void)
 
int vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t *a)
 
u8format_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_tbuild_itr_rloc_list (lisp_cp_main_t *lcm, locator_set_t *loc_set)
 
static vlib_buffer_tbuild_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_tbuild_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 foreach_msmr 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_tbuild_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_tbuild_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 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_bd_from_buffer_eth (vlib_buffer_t *b)
 
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 process_expired_mapping (lisp_cp_main_t *lcm, u32 mi)
 
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_tget_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_tmap_record_args_get ()
 
static map_records_arg_tparse_map_notify (vlib_buffer_t *b)
 
static vlib_buffer_tbuild_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)
 
map_records_arg_tparse_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_tlisp_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_tvnet_lisp_get_stats (void)
 
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 int update_pending_map_register (pending_map_register_t *r, f64 dt, u8 *del_all)
 
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)
 
u32 vnet_lisp_set_transport_protocol (u8 protocol)
 
lisp_transport_protocol_t vnet_lisp_get_transport_protocol (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")
DROP
Definition: error.def:41

Definition at line 3543 of file control.c.

#define foreach_lisp_cp_lookup_error
Value:
_(DROP, "drop") \
_(MAP_REQUESTS_SENT, "map-request sent") \
_(ARP_REPLY_TX, "ARP replies sent") \
_(NDP_NEIGHBOR_ADVERTISEMENT_TX, \
"neighbor advertisement sent")
DROP
Definition: error.def:41

Definition at line 2307 of file control.c.

#define foreach_lisp_cp_output_error
Value:
_(MAP_REGISTERS_SENT, "map-registers sent") \
_(MAP_REQUESTS_SENT, "map-requests sent") \
_(RLOC_PROBES_SENT, "rloc-probes sent")

Definition at line 2704 of file control.c.

#define foreach_msmr
Value:
_(server) \
_(resolver)

Definition at line 2530 of file control.c.

#define MAPPING_TIMEOUT   (((m->ttl) * 60) - TIME_UNTIL_REFETCH_OR_DELETE)

Definition at line 35 of file control.c.

#define MAX_VALUE_U24   0xffffff

Definition at line 31 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 2914 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 2911 of file control.c.

#define TIME_UNTIL_REFETCH_OR_DELETE   20

Definition at line 34 of file control.c.

Enumeration Type Documentation

Enumerator
LISP_CP_INPUT_N_ERROR 

Definition at line 3556 of file control.c.

Enumerator
LISP_CP_INPUT_NEXT_DROP 
LISP_CP_INPUT_N_NEXT 

Definition at line 42 of file control.c.

Enumerator
LISP_CP_LOOKUP_N_ERROR 

Definition at line 2320 of file control.c.

Enumerator
LISP_CP_LOOKUP_NEXT_DROP 
LISP_CP_LOOKUP_NEXT_ARP_NDP_REPLY_TX 
LISP_CP_LOOKUP_N_NEXT 

Definition at line 2328 of file control.c.

Enumerator
LISP_CP_OUTPUT_N_ERROR 

Definition at line 2714 of file control.c.

Function Documentation

static void add_l2_arp_bd ( BVT(clib_bihash_kv)*  kvp,
void *  arg 
)
static

Definition at line 908 of file control.c.

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static void add_l2_arp_entry ( BVT(clib_bihash_kv)*  kvp,
void *  arg 
)
static

Definition at line 960 of file control.c.

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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 2562 of file control.c.

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static void add_ndp_bd ( BVT(clib_bihash_kv)*  kvp,
void *  arg 
)
static

Definition at line 931 of file control.c.

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static void add_ndp_entry ( BVT(clib_bihash_kv)*  kvp,
void *  arg 
)
static

Definition at line 995 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 64 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 2468 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 2386 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 2644 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 2607 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 3977 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 2435 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 1741 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 1126 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 224 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 436 of file control.c.

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static int dp_add_fwd_entry_from_mt ( u32  si,
u32  di 
)
static

Definition at line 595 of file control.c.

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static void* dp_add_fwd_entry_thread_fn ( void *  arg)
static

Definition at line 586 of file control.c.

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static void dp_del_fwd_entry ( lisp_cp_main_t lcm,
u32  dst_map_index 
)
static

Definition at line 268 of file control.c.

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

Definition at line 4053 of file control.c.

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u8 * format_lisp_cp_input_trace ( u8 s,
va_list *  args 
)

Definition at line 3571 of file control.c.

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u8* format_lisp_cp_lookup_trace ( u8 s,
va_list *  args 
)

Definition at line 2342 of file control.c.

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static foreach_msmr void free_map_register_records ( mapping_t maps)
static

Definition at line 2553 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 80 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 305 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 1780 of file control.c.

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static lisp_msmr_t* get_map_resolver ( ip_address_t *  a)
static

Definition at line 655 of file control.c.

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static lisp_msmr_t* get_map_server ( ip_address_t *  a)
static

Definition at line 639 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 3825 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 2355 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 3143 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 3069 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 398 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 146 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 179 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 196 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 115 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 100 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 127 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 167 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 3770 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 1245 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 1801 of file control.c.

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clib_error_t* lisp_cp_init ( vlib_main_t vm)

Definition at line 4315 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 4214 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 3256 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 3434 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 3441 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 3448 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 3455 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 2723 of file control.c.

static u32 lisp_get_bd_from_buffer_eth ( vlib_buffer_t b)
inlinestatic

Definition at line 3111 of file control.c.

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static u32 lisp_get_vni_from_buffer_eth ( lisp_cp_main_t lcm,
vlib_buffer_t b 
)
inlinestatic

Definition at line 3127 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 3088 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 4363 of file control.c.

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static map_records_arg_t* map_record_args_get ( )
static

Definition at line 3906 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 3845 of file control.c.

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static void map_records_arg_free ( map_records_arg_t a)
static

Definition at line 3683 of file control.c.

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static void mapping_delete_timer ( lisp_cp_main_t lcm,
u32  mi 
)
static

Definition at line 1239 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 3601 of file control.c.

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static map_records_arg_t* parse_map_notify ( vlib_buffer_t b)
static

Definition at line 3924 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 3874 of file control.c.

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map_records_arg_t* parse_map_reply ( vlib_buffer_t b)

Definition at line 4151 of file control.c.

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static void process_expired_mapping ( lisp_cp_main_t lcm,
u32  mi 
)
static

Definition at line 3616 of file control.c.

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static void process_map_notify ( map_records_arg_t a)
static

Definition at line 3803 of file control.c.

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void* process_map_reply ( map_records_arg_t a)

Definition at line 3696 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 4068 of file control.c.

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static void queue_map_notify_for_processing ( map_records_arg_t a)
static

Definition at line 4208 of file control.c.

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static void queue_map_reply_for_processing ( map_records_arg_t a)
static

Definition at line 4202 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 4427 of file control.c.

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static void remove_dead_pending_map_requests ( lisp_cp_main_t lcm)
static

Definition at line 4497 of file control.c.

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static void remove_expired_mapping ( lisp_cp_main_t lcm,
u32  mi 
)
static

Definition at line 3583 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 1877 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 1159 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 1199 of file control.c.

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static void reset_pending_mr_counters ( pending_map_request_t r)
static

Definition at line 2524 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 2834 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 4006 of file control.c.

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static void * send_map_request_thread_fn ( void *  arg)
static

Definition at line 4413 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 4646 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 2750 of file control.c.

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static int send_rloc_probes ( lisp_cp_main_t lcm)
static

Definition at line 2787 of file control.c.

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static void update_adjacencies_by_map_index ( lisp_cp_main_t lcm,
u8  is_local,
u32  mapping_index,
u8  remove_only 
)
static

Definition at line 1825 of file control.c.

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static void update_fwd_entries_by_locator_set ( lisp_cp_main_t lcm,
u8  is_local,
u32  ls_index,
u8  remove_only 
)
static

Definition at line 1857 of file control.c.

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static void update_map_register ( lisp_cp_main_t lcm,
f64  dt 
)
static

Definition at line 4589 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 2628 of file control.c.

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static int update_pending_map_register ( pending_map_register_t r,
f64  dt,
u8 del_all 
)
static

Definition at line 4540 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 4447 of file control.c.

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static void update_rloc_probing ( lisp_cp_main_t lcm,
f64  dt 
)
static

Definition at line 4524 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 1477 of file control.c.

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int vnet_lisp_add_del_l2_arp_ndp_entry ( gid_address_t key,
u8 mac,
u8  is_add 
)

Definition at line 1030 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 874 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 1893 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 1997 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 2213 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 671 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 2276 of file control.c.

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int vnet_lisp_add_mapping ( vnet_lisp_add_del_mapping_args_t a,
locator_t rlocs,
u32 res_map_index,
u8 is_updated 
)

Adds/updates mapping.

Does not program forwarding.

Parameters
aparameters of the new mapping
rlocsvector of remote locators
res_map_indexindex of the newly created mapping
locators_changedindicator if locators were updated in the mapping
Returns
return code

Definition at line 1268 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
vnivirtual network identifier
Returns
vector of adjacencies

Definition at line 617 of file control.c.

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int vnet_lisp_clear_all_remote_adjacencies ( void  )

Definition at line 1426 of file control.c.

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int vnet_lisp_del_mapping ( gid_address_t eid,
u32 res_map_index 
)

Removes a mapping.

Does not program forwarding.

Parameters
eidend-host indetifier
res_map_indexindex of the removed mapping
Returns
return code

Definition at line 1377 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 1069 of file control.c.

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clib_error_t* vnet_lisp_enable_disable ( u8  is_enable)

Definition at line 2155 of file control.c.

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u8 vnet_lisp_enable_disable_status ( void  )

Definition at line 2206 of file control.c.

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u8 vnet_lisp_get_map_request_mode ( void  )

Definition at line 57 of file control.c.

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lisp_api_stats_t* vnet_lisp_get_stats ( void  )

Definition at line 4393 of file control.c.

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lisp_transport_protocol_t vnet_lisp_get_transport_protocol ( void  )

Definition at line 4742 of file control.c.

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u32* vnet_lisp_l2_arp_bds_get ( void  )

Definition at line 920 of file control.c.

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lisp_api_l2_arp_entry_t* vnet_lisp_l2_arp_entries_get_by_bd ( u32  bd)

Definition at line 980 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 722 of file control.c.

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int vnet_lisp_map_register_enable_disable ( u8  is_enable)

Definition at line 2146 of file control.c.

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u32 vnet_lisp_map_register_fallback_threshold_get ( void  )

Definition at line 1667 of file control.c.

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int vnet_lisp_map_register_fallback_threshold_set ( u32  value)

Definition at line 1654 of file control.c.

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u32 vnet_lisp_map_register_get_ttl ( void  )

Definition at line 2269 of file control.c.

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int vnet_lisp_map_register_set_ttl ( u32  ttl)

Definition at line 2261 of file control.c.

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u8 vnet_lisp_map_register_state_get ( void  )

Definition at line 422 of file control.c.

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u32* vnet_lisp_ndp_bds_get ( void  )

Definition at line 943 of file control.c.

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lisp_api_ndp_entry_t* vnet_lisp_ndp_entries_get_by_bd ( u32  bd)

Definition at line 1015 of file control.c.

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int vnet_lisp_nsh_set_locator_set ( u8 locator_set_name,
u8  is_add 
)

Definition at line 1559 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 1610 of file control.c.

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int vnet_lisp_rloc_probe_enable_disable ( u8  is_enable)

Definition at line 2137 of file control.c.

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u8 vnet_lisp_rloc_probe_state_get ( void  )

Definition at line 429 of file control.c.

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int vnet_lisp_set_map_request_mode ( u8  mode)

Definition at line 1538 of file control.c.

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u32 vnet_lisp_set_transport_protocol ( u8  protocol)

Definition at line 4729 of file control.c.

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vnet_api_error_t vnet_lisp_stats_enable_disable ( u8  enable)

Definition at line 4693 of file control.c.

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u8 vnet_lisp_stats_enable_disable_state ( void  )

Definition at line 4709 of file control.c.

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int vnet_lisp_use_petr ( ip_address_t *  ip,
u8  is_add 
)

Configure Proxy-ETR.

Parameters
ipPETR's IP address
is_addFlag that indicates if this is an addition or removal

return 0 on success

Definition at line 1682 of file control.c.

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Variable Documentation

lisp_cp_main_t lisp_control_main

Definition at line 37 of file control.c.

char* lisp_cp_input_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_lisp_cp_input_error
Definition: control.c:3543

Definition at line 3550 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,
.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",
},
}
static uword lisp_cp_input(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:4214
static char * lisp_cp_input_error_strings[]
Definition: control.c:3550
u8 * format_lisp_cp_input_trace(u8 *s, va_list *args)
Definition: control.c:3571
unsigned int u32
Definition: types.h:88

(constructor) VLIB_REGISTER_NODE (lisp_cp_input_node)

Definition at line 4296 of file control.c.

char* lisp_cp_lookup_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_lisp_cp_lookup_error
Definition: control.c:2307

Definition at line 2314 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,
.error_strings = lisp_cp_lookup_error_strings,
.n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
.next_nodes = {
[LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
[LISP_CP_LOOKUP_NEXT_ARP_NDP_REPLY_TX] = "interface-output",
},
}
static uword lisp_cp_lookup_ip4(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:3434
unsigned int u32
Definition: types.h:88
static char * lisp_cp_lookup_error_strings[]
Definition: control.c:2314
u8 * format_lisp_cp_lookup_trace(u8 *s, va_list *args)
Definition: control.c:2342

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip4_node)

Definition at line 3463 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,
.error_strings = lisp_cp_lookup_error_strings,
.n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
.next_nodes = {
[LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
[LISP_CP_LOOKUP_NEXT_ARP_NDP_REPLY_TX] = "interface-output",
},
}
unsigned int u32
Definition: types.h:88
static char * lisp_cp_lookup_error_strings[]
Definition: control.c:2314
static uword lisp_cp_lookup_ip6(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:3441
u8 * format_lisp_cp_lookup_trace(u8 *s, va_list *args)
Definition: control.c:2342

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_ip6_node)

Definition at line 3483 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,
.error_strings = lisp_cp_lookup_error_strings,
.n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
.next_nodes = {
[LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
[LISP_CP_LOOKUP_NEXT_ARP_NDP_REPLY_TX] = "interface-output",
},
}
static uword lisp_cp_lookup_l2(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:3448
unsigned int u32
Definition: types.h:88
static char * lisp_cp_lookup_error_strings[]
Definition: control.c:2314
u8 * format_lisp_cp_lookup_trace(u8 *s, va_list *args)
Definition: control.c:2342

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_l2_node)

Definition at line 3503 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,
.error_strings = lisp_cp_lookup_error_strings,
.n_next_nodes = LISP_CP_LOOKUP_N_NEXT,
.next_nodes = {
[LISP_CP_LOOKUP_NEXT_DROP] = "error-drop",
[LISP_CP_LOOKUP_NEXT_ARP_NDP_REPLY_TX] = "interface-output",
},
}
static uword lisp_cp_lookup_nsh(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:3455
unsigned int u32
Definition: types.h:88
static char * lisp_cp_lookup_error_strings[]
Definition: control.c:2314
u8 * format_lisp_cp_lookup_trace(u8 *s, va_list *args)
Definition: control.c:2342

(constructor) VLIB_REGISTER_NODE (lisp_cp_lookup_nsh_node)

Definition at line 3523 of file control.c.

char* lisp_cp_output_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_lisp_cp_output_error
Definition: control.c:2704

Definition at line 2708 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,
.error_strings = lisp_cp_output_error_strings,
.n_next_nodes = LISP_CP_INPUT_N_NEXT,
.next_nodes = {
[LISP_CP_INPUT_NEXT_DROP] = "error-drop",
},
}
static uword lisp_cp_output(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
Definition: control.c:2723
static char * lisp_cp_output_error_strings[]
Definition: control.c:2708
u8 * format_lisp_cp_input_trace(u8 *s, va_list *args)
Definition: control.c:3571
unsigned int u32
Definition: types.h:88

(constructor) VLIB_REGISTER_NODE (lisp_cp_output_node)

Definition at line 2731 of file control.c.

vlib_node_registration_t lisp_retry_service_node
static
Initial value:
= {
.name = "lisp-retry-service",
.process_log2_n_stack_bytes = 16,
}
static uword send_map_resolver_service(vlib_main_t *vm, vlib_node_runtime_t *rt, vlib_frame_t *f)
Definition: control.c:4646

(constructor) VLIB_REGISTER_NODE (lisp_retry_service_node)

Definition at line 4720 of file control.c.