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-rw-r--r--hicn-plugin/src/host_stack/route.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/hicn-plugin/src/host_stack/route.c b/hicn-plugin/src/host_stack/route.c
deleted file mode 100644
index 5b42bea26..000000000
--- a/hicn-plugin/src/host_stack/route.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (c) 2020 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 "host_stack.h"
-#include "route.h"
-
-#include <vnet/fib/fib_entry.h>
-#include <vnet/fib/fib_table.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/dpo/dpo.h>
-#include <vnet/dpo/load_balance.h>
-#include <vlib/global_funcs.h>
-#include <vnet/dpo/drop_dpo.h>
-
-#define FIB_SOURCE_HICN_HS 0x04 //Right after the FIB_SOURCE_INTERFACE priority
-#define HICN_HS_FIB_TABLE 0
-
-fib_source_t hicn_hs_fib_src;
-
-void
-hicn_hs_route_init ()
-{
- hicn_hs_fib_src = fib_source_allocate ("hicn_hs", FIB_SOURCE_HICN_HS, FIB_SOURCE_BH_API);
-}
-
-always_inline int
-hicn_route_get_dpo (const fib_prefix_t * prefix,
- const dpo_id_t ** hicn_dpo, u32 * fib_index)
-{
- //fib_prefix_t fib_pfx;
- const dpo_id_t *load_balance_dpo_id;
- const dpo_id_t *former_dpo_id;
- int found = 0, ret = HICN_HS_ERROR_ROUTE_NOT_FOUND;
- fib_node_index_t fib_entry_index;
-
- /* Check if the route already exist in the fib */
- /*
- * ASSUMPTION: we use table 0 which is the default table and it is
- * already existing and locked
- */
- *fib_index = fib_table_find_or_create_and_lock (prefix->fp_proto,
- HICN_HS_FIB_TABLE,
- hicn_hs_fib_src);
- fib_entry_index = fib_table_lookup_exact_match (*fib_index, prefix);
-
- if (fib_entry_index != FIB_NODE_INDEX_INVALID)
- {
- /* Route already existing. We need to update the dpo. */
- load_balance_dpo_id =
- fib_entry_contribute_ip_forwarding (fib_entry_index);
-
- /* The dpo is not a load balance dpo as expected */
- if (load_balance_dpo_id->dpoi_type != DPO_LOAD_BALANCE)
- ret = HICN_HS_ERROR_ROUTE_NO_LB_DPO;
- else
- {
- /* former_dpo_id is a load_balance dpo */
- load_balance_t *lb =
- load_balance_get (load_balance_dpo_id->dpoi_index);
-
- /* FIB entry exists but there is no hicn_hs dpo. */
- ret = HICN_HS_ERROR_ROUTE_DPO_NO_HICN;
- for (int i = 0; i < lb->lb_n_buckets && !found; i++)
- {
- former_dpo_id = load_balance_get_bucket_i (lb, i);
-
- if (dpo_is_hicn_hs (former_dpo_id))
- {
- *hicn_dpo = former_dpo_id;
- ret = HICN_HS_ERROR_NONE;
- found = 1;
- }
- }
- }
- }
- /*
- * Remove the lock from the table. We keep one lock per route, not
- * per dpo
- */
- fib_table_unlock (*fib_index, prefix->fp_proto, hicn_hs_fib_src);
-
- return ret;
-}
-
-/* Add a new route for a name prefix */
-always_inline
-int hicn_hs_route_add_flags (const fib_prefix_t * prefix, const dpo_id_t *dpo, fib_entry_flag_t flags)
-{
- CLIB_UNUSED(vlib_main_t *vm) = vlib_get_main ();
- int ret = HICN_HS_ERROR_NONE;
- u32 fib_index;
- const dpo_id_t *_dpo;
-
- ret = hicn_route_get_dpo (prefix, &_dpo, &fib_index);
-
- if (ret == HICN_HS_ERROR_ROUTE_NOT_FOUND)
- {
- /* Here is where we create the "via" like route */
- /*
- * For the moment we use the global one the prefix you want
- * to match Neale suggested -- FIB_SOURCE_HICN the client
- * that is adding them -- no easy explanation at this timeā€¦
- */
- fib_node_index_t new_fib_node_index =
- fib_table_entry_special_dpo_add (fib_index,
- prefix,
- hicn_hs_fib_src,
- flags,
- dpo);
-
- /* We added a route, therefore add one lock to the table */
- fib_table_lock (fib_index, prefix->fp_proto, hicn_hs_fib_src);
-
- ret =
- (new_fib_node_index !=
- FIB_NODE_INDEX_INVALID) ? HICN_HS_ERROR_NONE :
- HICN_HS_ERROR_ROUTE_NO_INSERT;
- }
-
- return ret;
-}
-
-int
-hicn_hs_route_add (const fib_prefix_t * prefix, const dpo_id_t *dpo)
-{
- return hicn_hs_route_add_flags(prefix, dpo, (FIB_ENTRY_FLAG_EXCLUSIVE |
- FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT));
-}
-
-clib_error_t *
-hicn_hs_set_local_prefix(const fib_prefix_t * prefix)
-{
- clib_error_t * ret = 0;
- int rv;
- const dpo_id_t *drop_dpo = drop_dpo_get(prefix->fp_proto == FIB_PROTOCOL_IP4 ? DPO_PROTO_IP4 : DPO_PROTO_IP6);
- rv = hicn_hs_route_add_flags(prefix, drop_dpo, (FIB_ENTRY_FLAG_EXCLUSIVE | FIB_ENTRY_FLAG_LOCAL | FIB_ENTRY_FLAG_LOOSE_URPF_EXEMPT));
-
- if (rv)
- ret = clib_error_return (0, "Error: %s", hicn_hs_error_strings[rv]);
-
- return ret;
-}
-
-int
-hicn_route_del (fib_prefix_t * prefix)
-{
- const dpo_id_t *hicn_dpo_id;
- int ret = HICN_HS_ERROR_NONE;
- u32 fib_index;
-
- /* Remove the fib entry only if the dpo is of type hicn */
- ret = hicn_route_get_dpo (prefix, &hicn_dpo_id, &fib_index);
-
- if (ret == HICN_HS_ERROR_NONE)
- {
- fib_table_entry_special_remove (HICN_HS_FIB_TABLE, prefix, hicn_hs_fib_src);
-
- /*
- * Remove the lock from the table. We keep one lock per route
- */
- fib_table_unlock (fib_index, prefix->fp_proto, hicn_hs_fib_src);
- }
-
- // Remember to remove the lock from the table when removing the entry
- return ret;
-} \ No newline at end of file