#include <vnet/lisp-cp/gid_dictionary.h>
#include <vnet/lisp-cp/lisp_types.h>
+#define NUMBER_OF_RETRIES 1
+#define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */
+#define PENDING_MREQ_QUEUE_LEN 5
+
typedef struct
{
gid_address_t src;
gid_address_t dst;
+ u32 retries_num;
+ f64 time_to_expire;
+ u8 is_smr_invoked;
+ u64 *nonces;
+ u8 to_be_removed;
} pending_map_request_t;
typedef struct
{
gid_address_t seid;
gid_address_t deid;
- locator_pair_t * locator_pairs;
+ locator_pair_t *locator_pairs;
} fwd_entry_t;
typedef enum
IP6_MISS_PACKET
} miss_packet_type_t;
+typedef struct
+{
+ u8 is_down;
+ f64 last_update;
+ ip_address_t address;
+} map_resolver_t;
+
typedef struct
{
/* headers */
gid_dictionary_t mapping_index_by_gid;
/* pool of mappings */
- mapping_t * mapping_pool;
+ mapping_t *mapping_pool;
/* pool of locators */
- locator_t * locator_pool;
+ locator_t *locator_pool;
/* pool of locator-sets */
- locator_set_t * locator_set_pool;
+ locator_set_t *locator_set_pool;
/* vector of locator-set vectors composed of and indexed by locator index */
- u32 ** locator_to_locator_sets;
+ u32 **locator_to_locator_sets;
/* hash map of locators by name */
- uword * locator_set_index_by_name;
+ uword *locator_set_index_by_name;
/* vector of eid index vectors supported and indexed by locator-set index */
- u32 ** locator_set_to_eids;
+ u32 **locator_set_to_eids;
/* vectors of indexes for local locator-sets and mappings */
- u32 * local_mappings_indexes;
- u32 * local_locator_set_indexes;
+ u32 *local_mappings_indexes;
+ u32 *local_locator_set_indexes;
/* hash map of forwarding entries by mapping index */
- u32 * fwd_entry_by_mapping_index;
+ u32 *fwd_entry_by_mapping_index;
/* forwarding entries pool */
- fwd_entry_t * fwd_entry_pool;
+ fwd_entry_t *fwd_entry_pool;
/* hash map keyed by nonce of pending map-requests */
- uword * pending_map_requests_by_nonce;
+ uword *pending_map_requests_by_nonce;
/* pool of pending map requests */
- pending_map_request_t * pending_map_requests_pool;
+ pending_map_request_t *pending_map_requests_pool;
+ volatile u32 *pending_map_request_lock;
+
+ /* vector of map-resolvers */
+ map_resolver_t *map_resolvers;
- /* vector of map-resolver addresses */
- ip_address_t * map_resolvers;
+ /* map resolver address currently being used for sending requests.
+ * This has to be an actual address and not an index to map_resolvers vector
+ * since the vector may be modified during request resend/retry procedure
+ * and break things :-) */
+ ip_address_t active_map_resolver;
+
+ u8 do_map_resolver_election;
/* map-request locator set index */
u32 mreq_itr_rlocs;
/* vni to vrf hash tables */
- uword * table_id_by_vni;
- uword * vni_by_table_id;
+ uword *table_id_by_vni;
+ uword *vni_by_table_id;
/* vni to bd-index hash tables */
- uword * bd_id_by_vni;
- uword * vni_by_bd_id;
+ uword *bd_id_by_vni;
+ uword *vni_by_bd_id;
/* track l2 and l3 interfaces that have been created for vni */
- uword * dp_intf_by_vni;
- uword * l2_dp_intf_by_vni;
+ uword *dp_intf_by_vni;
+ uword *l2_dp_intf_by_vni;
/* Proxy ETR map index */
u32 pitr_map_index;
u8 lisp_pitr;
/* commodity */
- ip4_main_t * im4;
- ip6_main_t * im6;
- vlib_main_t * vlib_main;
- vnet_main_t * vnet_main;
+ ip4_main_t *im4;
+ ip6_main_t *im6;
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
} lisp_cp_main_t;
/* lisp-gpe control plane */
extern vlib_node_registration_t lisp_cp_input_node;
extern vlib_node_registration_t lisp_cp_lookup_node;
-clib_error_t *
-lisp_cp_init ();
+clib_error_t *lisp_cp_init ();
always_inline lisp_cp_main_t *
-vnet_lisp_cp_get_main() {
+vnet_lisp_cp_get_main ()
+{
return &lisp_control_main;
}
u8 is_add;
union
{
- u8 * name;
+ u8 *name;
u32 index;
};
- locator_t * locators;
+ locator_t *locators;
u8 local;
} vnet_lisp_add_del_locator_set_args_t;
u32 * ls_index);
int
vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a,
- locator_set_t * ls, u32 * ls_index);
+ locator_set_t * ls, u32 * ls_index);
typedef struct
{
u8 authoritative;
u8 local;
+ u8 is_static;
} vnet_lisp_add_del_mapping_args_t;
int
-vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t *a,
- u32 * map_index);
+vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a,
+ u32 * map_index);
int
vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a,
- u32 * map_index_result);
+ u32 * map_index_result);
int
vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action,
- u8 authoritative, u32 ttl, u8 is_add,
- u32 * res_map_index);
+ u8 authoritative, u32 ttl, u8 is_add, u8 is_static,
+ u32 * res_map_index);
typedef struct
{
u8 is_add;
} vnet_lisp_add_del_adjacency_args_t;
-int
-vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
+int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a);
typedef struct
{
int
vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
-clib_error_t *
-vnet_lisp_enable_disable (u8 is_enabled);
-u8
-vnet_lisp_enable_disable_status (void);
+clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
+u8 vnet_lisp_enable_disable_status (void);
-int
-vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
+int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add);
typedef struct
{
u8 is_add;
- u8 * locator_set_name;
+ u8 *locator_set_name;
} vnet_lisp_add_del_mreq_itr_rloc_args_t;
int
vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
-int
-vnet_lisp_clear_all_remote_adjacencies (void);
+int vnet_lisp_clear_all_remote_adjacencies (void);
-int
-vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
+int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
+
+static inline void
+lisp_pending_map_request_lock (lisp_cp_main_t * lcm)
+{
+ if (lcm->pending_map_request_lock)
+ while (__sync_lock_test_and_set (lcm->pending_map_request_lock, 1))
+ /* sweet dreams */ ;
+}
+
+static inline void
+lisp_pending_map_request_unlock (lisp_cp_main_t * lcm)
+{
+ if (lcm->pending_map_request_lock)
+ *lcm->pending_map_request_lock = 0;
+}
#endif /* VNET_CONTROL_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff