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fib: Add some path-list flags to its key

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Type: fix
Ticket: 1729

The flags that are permanently set on a path-list should form part of
its key in the path-list DB. Otherwise, if shared, they will not behave
as expected.

Change-Id: I0aa7c7c5d270c97b08014e4a47ddbdcee2358706
Signed-off-by: Neale Ranns <nranns@cisco.com>
This commit is contained in:
Neale Ranns
2019-07-29 12:45:27 +00:00
parent 5ca2a8ae19
commit 513582c96a
2 changed files with 11 additions and 1 deletions
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5
src/vnet/fib/fib_path_list.c
View File

@ -181,7 +181,10 @@ fib_path_list_hash (fib_path_list_t *path_list)
ASSERT(path_list);
new_path_list_hash = old_path_list_hash = vec_len(path_list->fpl_paths);
new_path_list_hash =
old_path_list_hash =
(vec_len(path_list->fpl_paths) << 16 |
(path_list->fpl_flags & FIB_PATH_LIST_KEY_FLAGS));
vec_foreach (path_index, path_list->fpl_paths)
{

7
src/vnet/fib/fib_path_list.h
View File

@ -104,6 +104,13 @@ typedef enum fib_path_list_flags_t_ {
_item <= FIB_PATH_LIST_ATTRIBUTE_LAST; \
_item++)
/**
* The flags on a path-list that contribute to its key in the DB.
* So path-lists with these flags different are not conisdered the
* same.
*/
#define FIB_PATH_LIST_KEY_FLAGS (FIB_PATH_LIST_FLAG_NO_URPF)
extern fib_node_index_t fib_path_list_create(fib_path_list_flags_t flags,
const fib_route_path_t *paths);
extern fib_node_index_t fib_path_list_create_special(dpo_proto_t nh_proto,