}) ip6_udp_lisp_gpe_header_t;
/* *INDENT-ON* */
-/** LISP-GPE tunnel structure */
-typedef struct
-{
- /** tunnel src and dst addresses */
- locator_pair_t *locator_pairs;
-
- /** locator-pairs with best priority become sub-tunnels */
- u32 *sub_tunnels;
-
- /** decap next index */
- u32 decap_next_index;
-
- /* TODO remove */
- ip_address_t src, dst;
-
- /** FIB indices */
- u32 encap_fib_index; /* tunnel partner lookup here */
- u32 decap_fib_index; /* inner IP lookup here */
-
- /** index of the source address lookup FIB */
- u32 src_fib_index;
-
- /** vnet intfc hw/sw_if_index */
- u32 hw_if_index;
- u32 sw_if_index;
-
- /** L2 path-list */
- fib_node_index_t l2_path_list;
-
- /** action for 'negative' tunnels */
- u8 action;
-
- /** LISP header fields in HOST byte order */
- u8 flags;
- u8 ver_res;
- u8 res;
- u8 next_protocol;
- u32 vni;
-} lisp_gpe_tunnel_t;
-
-/**
- * @brief A path on which to forward lisp traffic
- */
-typedef struct lisp_fwd_path_t_
-{
- /**
- * The adjacency constructed for the locator pair
- */
- index_t lisp_adj;
-
- /**
- * Priority. Only the paths with the best priority will be installed in FIB
- */
- u8 priority;
-
- /**
- * [UE]CMP weigt for the path
- */
- u8 weight;
-
-} lisp_fwd_path_t;
-
-/**
- * @brief A Forwarding entry can be 'normal' or 'negative'
- * Negative implies we deliberately want to add a FIB entry for an EID
- * that results in 'spcial' behaviour determined by an 'action'.
- * @normal' means send it down some tunnels.
- */
-typedef enum lisp_fwd_entry_type_t_
-{
- LISP_FWD_ENTRY_TYPE_NORMAL,
- LISP_FWD_ENTRY_TYPE_NEGATIVE,
-} lisp_fwd_entry_type_t;
-
-typedef enum
-{
- NO_ACTION,
- FORWARD_NATIVE,
- SEND_MAP_REQUEST,
- DROP
-} negative_fwd_actions_e;
-
-/**
- * LISP-GPE fwd entry key
- */
-typedef struct lisp_gpe_fwd_entry_key_t_
-{
- dp_address_t rmt;
- dp_address_t lcl;
- u32 vni;
-} lisp_gpe_fwd_entry_key_t;
-
-/**
- * @brief A LISP Forwarding Entry
- *
- * A forwarding entry is from a locai EID to a remote EID over a set of rloc pairs
- */
-typedef struct lisp_fwd_entry_t_
-{
- /**
- * The Entry's key: {lEID,r-EID,vni}
- */
- lisp_gpe_fwd_entry_key_t *key;
-
- /**
- * The VRF (in the case of L3) or Bridge-Domain (for L2) index
- */
- union
- {
- u32 eid_table_id;
- u32 eid_bd_index;
- };
-
- /**
- * The forwarding entry type
- */
- lisp_fwd_entry_type_t type;
-
- union
- {
- /**
- * @brief When the type is 'normal'
- * The RLOC pair that form the route's paths. i.e. where to send
- * packets for this route.
- */
- lisp_fwd_path_t *paths;
-
- /**
- * @brief When the type is negative. The action to take.
- */
- negative_fwd_actions_e action;
- };
-
- /**
- * The FIB index for the overlay, i.e. the FIB in which the EIDs
- * are present
- */
- u32 eid_fib_index;
-
- /**
- * The SRC-FIB index for created for anding source-route entries
- */
- u32 src_fib_index;
-} lisp_fwd_entry_t;
-
-
#define foreach_lisp_gpe_ip_input_next \
_(DROP, "error-drop") \
_(IP4_INPUT, "ip4-input") \
/** LISP-GPE global state*/
typedef struct lisp_gpe_main
{
- /** pool of encap tunnel instances */
- lisp_gpe_tunnel_t *tunnels;
+ /**
+ * @brief DB of all forwarding entries. The Key is:{l-EID,r-EID,vni}
+ * where the EID encodes L2 or L3
+ */
+ uword *lisp_gpe_fwd_entries;
+
+ /**
+ * @brief A Pool of all LISP forwarding entries
+ */
+ struct lisp_gpe_fwd_entry_t_ *lisp_fwd_entry_pool;
/** Free vlib hw_if_indices */
u32 *free_tunnel_hw_if_indices;
tunnel_lookup_t l2_ifaces;
/** Load-balance for a miss in the table */
- index_t l2_lb_miss;
- index_t l2_lb_cp_lkup;
+ dpo_id_t l2_lb_cp_lkup;
/** convenience */
vlib_main_t *vlib_main;
u8 *format_lisp_gpe_header_with_length (u8 * s, va_list * args);
-/** Arguments to add an L2/L3 LISP-GPE interface*/
-typedef struct
-{
- u8 is_add;
- union
- {
- /** vrf */
- u32 table_id;
-
- /** bridge domain */
- u16 bd_id;
-
- /** generic access */
- u32 dp_table;
- };
- u8 is_l2;
-
- /** virtual network identifier in host byte order */
- u32 vni;
-} vnet_lisp_gpe_add_del_iface_args_t;
-
/** Read LISP-GPE status */
u8 vnet_lisp_gpe_enable_disable_status (void);
+u32
+lisp_gpe_l3_iface_find_or_create (lisp_gpe_main_t * lgm,
+ u32 overlay_table_id, u32 vni);
+
/** Add/del LISP-GPE interface. */
-int
-vnet_lisp_gpe_add_del_iface (vnet_lisp_gpe_add_del_iface_args_t * a,
- u32 * hw_if_indexp);
+extern void lisp_gpe_del_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern u32 lisp_gpe_add_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern void lisp_gpe_del_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern u32 lisp_gpe_add_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+
typedef struct
{
clib_error_t
* vnet_lisp_gpe_enable_disable (vnet_lisp_gpe_enable_disable_args_t * a);
+typedef enum
+{
+ NO_ACTION,
+ FORWARD_NATIVE,
+ SEND_MAP_REQUEST,
+ DROP
+} negative_fwd_actions_e;
+
/** */
typedef struct
{
};
} vnet_lisp_gpe_add_del_fwd_entry_args_t;
-int
-vnet_lisp_gpe_add_del_fwd_entry (vnet_lisp_gpe_add_del_fwd_entry_args_t * a,
- u32 * hw_if_indexp);
-
-extern void
-ip_src_fib_add_route (u32 src_fib_index,
- const ip_prefix_t * src_prefix,
- const lisp_fwd_path_t * paths);
-extern void
-ip_src_dst_fib_del_route (u32 src_fib_index,
- const ip_prefix_t * src_prefix,
- u32 dst_table_id, const ip_prefix_t * dst_prefix);
-extern void
-ip_src_fib_add_route_w_dpo (u32 src_fib_index,
- const ip_prefix_t * src_prefix,
- const dpo_id_t * src_dpo);
-extern u32
-ip_dst_fib_add_route (u32 dst_table_id, const ip_prefix_t * dst_prefix);
-
-extern fib_route_path_t *lisp_gpe_mk_paths_for_sub_tunnels (lisp_gpe_tunnel_t
- * t);
-
#define foreach_lgpe_ip4_lookup_next \
_(DROP, "error-drop") \
_(LISP_CP_LOOKUP, "lisp-cp-lookup")
u8 *format_vnet_lisp_gpe_status (u8 * s, va_list * args);
-#define L2_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
-#define L2_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)
-
-u32
-lisp_l2_fib_lookup (lisp_gpe_main_t * lgm, u16 bd_index, u8 src_mac[8],
- u8 dst_mac[8]);
-
#endif /* included_vnet_lisp_gpe_h */
/*
Code Review / vpp.git / blobdiff