diff options
Diffstat (limited to 'vnet/vnet/fib/fib_entry_src_mpls.c')
| -rw-r--r-- | vnet/vnet/fib/fib_entry_src_mpls.c | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/vnet/vnet/fib/fib_entry_src_mpls.c b/vnet/vnet/fib/fib_entry_src_mpls.c deleted file mode 100644 index 14c7310fbf3..00000000000 --- a/vnet/vnet/fib/fib_entry_src_mpls.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <vnet/mpls/mpls_types.h> -#include <vnet/dpo/drop_dpo.h> - -#include <vnet/fib/fib_table.h> -#include <vnet/fib/fib_entry.h> -#include <vnet/fib/fib_entry_src.h> -#include <vnet/fib/mpls_fib.h> - -/** - * Source initialisation Function - */ -static void -fib_entry_src_mpls_init (fib_entry_src_t *src) -{ - mpls_eos_bit_t eos; - - src->fes_flags = FIB_ENTRY_SRC_FLAG_NONE; - src->mpls.fesm_label = MPLS_LABEL_INVALID; - - FOR_EACH_MPLS_EOS_BIT(eos) - { - src->mpls.fesm_lfes[eos] = FIB_NODE_INDEX_INVALID; - } -} - -/** - * Source deinitialisation Function - */ -static void -fib_entry_src_mpls_deinit (fib_entry_src_t *src) -{ -} - -static void -fib_entry_src_mpls_remove (fib_entry_src_t *src) -{ - src->fes_pl = FIB_NODE_INDEX_INVALID; - src->mpls.fesm_label = MPLS_LABEL_INVALID; -} - -static void -fib_entry_src_mpls_add (fib_entry_src_t *src, - const fib_entry_t *entry, - fib_entry_flag_t flags, - fib_protocol_t proto, - const dpo_id_t *dpo) -{ - src->fes_pl = - fib_path_list_create_special(proto, - FIB_PATH_LIST_FLAG_DROP, - drop_dpo_get(fib_proto_to_dpo(proto))); -} - -static void -fib_entry_src_mpls_set_data (fib_entry_src_t *src, - const fib_entry_t *entry, - const void *data) -{ - fib_protocol_t payload_proto; - fib_node_index_t fei; - mpls_label_t label; - mpls_eos_bit_t eos; - - /* - * post MPLS table alloc and the possible rea-alloc of fib entrys - * the entry pointer will no longer be valid. so save its index - */ - payload_proto = entry->fe_prefix.fp_proto; - fei = fib_entry_get_index(entry); - label = *(mpls_label_t*)data; - - if (MPLS_LABEL_INVALID == label) - { - /* - * removing the local label - */ - FOR_EACH_MPLS_EOS_BIT(eos) - { - fib_table_entry_delete_index(src->mpls.fesm_lfes[eos], - FIB_SOURCE_SPECIAL); - } - fib_table_unlock(MPLS_FIB_DEFAULT_TABLE_ID, FIB_PROTOCOL_MPLS); - src->mpls.fesm_label = label; - } - else - { - fib_prefix_t prefix = { - .fp_proto = FIB_PROTOCOL_MPLS, - .fp_label = label, - }; - fib_node_index_t fib_index; - dpo_id_t dpo = DPO_INVALID; - - /* - * adding a new local label. make sure the MPLS fib exists. - */ - if (MPLS_LABEL_INVALID == src->mpls.fesm_label) - { - fib_index = - fib_table_find_or_create_and_lock(FIB_PROTOCOL_MPLS, - MPLS_FIB_DEFAULT_TABLE_ID); - } - else - { - fib_index = mpls_fib_index_from_table_id(MPLS_FIB_DEFAULT_TABLE_ID); - - /* - * if this is a change in label, reomve the old one first - */ - if (src->mpls.fesm_label != label) - { - FOR_EACH_MPLS_EOS_BIT(eos) - { - ASSERT(FIB_NODE_INDEX_INVALID != src->mpls.fesm_lfes[eos]); - fib_table_entry_delete_index(src->mpls.fesm_lfes[eos], - FIB_SOURCE_SPECIAL); - } - } - } - - src->mpls.fesm_label = label; - - FOR_EACH_MPLS_EOS_BIT(eos) - { - prefix.fp_eos = eos; - prefix.fp_payload_proto = fib_proto_to_dpo(payload_proto); - - fib_entry_contribute_forwarding(fei, - (eos ? - FIB_FORW_CHAIN_TYPE_MPLS_EOS : - FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS), - &dpo); - src->mpls.fesm_lfes[eos] = - fib_table_entry_special_dpo_add(fib_index, - &prefix, - FIB_SOURCE_SPECIAL, - FIB_ENTRY_FLAG_EXCLUSIVE, - &dpo); - dpo_reset(&dpo); - } - } -} - -static const void * -fib_entry_src_mpls_get_data (fib_entry_src_t *src, - const fib_entry_t *entry) -{ - return (&(src->mpls.fesm_label)); -} - -static u8* -fib_entry_src_mpls_format (fib_entry_src_t *src, - u8* s) -{ - return (format(s, "MPLS local-label:%d", src->mpls.fesm_label)); -} - -const static fib_entry_src_vft_t mpls_src_vft = { - .fesv_init = fib_entry_src_mpls_init, - .fesv_deinit = fib_entry_src_mpls_deinit, - .fesv_add = fib_entry_src_mpls_add, - .fesv_remove = fib_entry_src_mpls_remove, - .fesv_format = fib_entry_src_mpls_format, - .fesv_set_data = fib_entry_src_mpls_set_data, - .fesv_get_data = fib_entry_src_mpls_get_data, - /* - * .fesv_fwd_update = fib_entry_src_mpls_fwd_update, - * When the forwarding for the IP entry is updated, any MPLS chains - * it has created are also updated. Since the MPLS entry will have already - * installed that chain/load-balance there is no need to update the netry - * FIXME: later: propagate any walk to the children of the MPLS entry. for SR - */ -}; - -void -fib_entry_src_mpls_register (void) -{ - fib_entry_src_register(FIB_SOURCE_MPLS, &mpls_src_vft); -} - - |