X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Ffib%2Fip6_fib.h;h=dcd6c301bec98cd8805971df188d46eadc57d8c7;hb=89541992000433b743cbbe8cb396faab42bcf6ae;hp=af864a75975175783c2edbb503d10be8e9d670e8;hpb=0f438df9918911a976751f2391421cc8b4b6fdb7;p=vpp.git diff --git a/src/vnet/fib/ip6_fib.h b/src/vnet/fib/ip6_fib.h index af864a75975..dcd6c301bec 100644 --- a/src/vnet/fib/ip6_fib.h +++ b/src/vnet/fib/ip6_fib.h @@ -53,9 +53,6 @@ extern void ip6_fib_table_fwding_dpo_remove(u32 fib_index, u32 ip6_fib_table_fwding_lookup_with_if_index(ip6_main_t * im, u32 sw_if_index, const ip6_address_t * dst); -u32 ip6_fib_table_fwding_lookup(ip6_main_t * im, - u32 fib_index, - const ip6_address_t * dst); /** * @brief Walk all entries in a FIB table @@ -66,6 +63,55 @@ extern void ip6_fib_table_walk(u32 fib_index, fib_table_walk_fn_t fn, void *ctx); +always_inline u32 +ip6_fib_table_fwding_lookup (ip6_main_t * im, + u32 fib_index, + const ip6_address_t * dst) +{ + ip6_fib_table_instance_t *table; + int i, len; + int rv; + BVT(clib_bihash_kv) kv, value; + u64 fib; + + table = &ip6_main.ip6_table[IP6_FIB_TABLE_FWDING]; + len = vec_len (table->prefix_lengths_in_search_order); + + kv.key[0] = dst->as_u64[0]; + kv.key[1] = dst->as_u64[1]; + fib = ((u64)((fib_index))<<32); + + for (i = 0; i < len; i++) + { + int dst_address_length = table->prefix_lengths_in_search_order[i]; + ip6_address_t * mask = &ip6_main.fib_masks[dst_address_length]; + + ASSERT(dst_address_length >= 0 && dst_address_length <= 128); + //As lengths are decreasing, masks are increasingly specific. + kv.key[0] &= mask->as_u64[0]; + kv.key[1] &= mask->as_u64[1]; + kv.key[2] = fib | dst_address_length; + + rv = BV(clib_bihash_search_inline_2)(&table->ip6_hash, &kv, &value); + if (rv == 0) + return value.value; + } + + /* default route is always present */ + ASSERT(0); + return 0; +} + +/** + * @brief Walk all entries in a sub-tree of the FIB table + * N.B: This is NOT safe to deletes. If you need to delete walk the whole + * table and store elements in a vector, then delete the elements + */ +extern void ip6_fib_table_sub_tree_walk(u32 fib_index, + const fib_prefix_t *root, + fib_table_walk_fn_t fn, + void *ctx); + /** * @brief return the DPO that the LB stacks on. */ @@ -108,14 +154,17 @@ ip6_src_lookup_for_packet (ip6_main_t * im, * \returns A pointer to the retrieved or created fib. * */ -extern u32 ip6_fib_table_find_or_create_and_lock(u32 table_id); -extern u32 ip6_fib_table_create_and_lock(void); +extern u32 ip6_fib_table_find_or_create_and_lock(u32 table_id, + fib_source_t src); +extern u32 ip6_fib_table_create_and_lock(fib_source_t src); + +extern u8 *format_ip6_fib_table_memory(u8 * s, va_list * args); static inline ip6_fib_t * ip6_fib_get (fib_node_index_t index) { ASSERT(!pool_is_free_index(ip6_main.fibs, index)); - return (&pool_elt_at_index (ip6_main.fibs, index)->v6); + return (pool_elt_at_index (ip6_main.v6_fibs, index)); } static inline @@ -133,7 +182,5 @@ u32 ip6_fib_index_from_table_id (u32 table_id) extern u32 ip6_fib_table_get_index_for_sw_if_index(u32 sw_if_index); -extern flow_hash_config_t ip6_fib_table_get_flow_hash_config(u32 fib_index); - #endif