*/
fib_path_list_flags_t fpl_flags;
- /**
- * The next-hop protocol for the paths in this path list.
- * Note that fixing the proto here means we don't support a mix of
- * v4 and v6 paths. ho hum.
- */
- fib_protocol_t fpl_nh_proto;
-
/**
* Vector of paths indicies for all configured paths.
* For shareable path-lists this list MUST not change.
* the RPF list calculated for this path list
*/
fib_node_index_t fpl_urpf;
+
+ /**
+ * Hash table of paths. valid only with INDEXED flag
+ */
+ uword *fpl_db;
} fib_path_list_t;
/*
s = format (s, " index:%u", fib_path_list_get_index(path_list));
s = format (s, " locks:%u", path_list->fpl_node.fn_locks);
- s = format (s, " proto:%U", format_fib_protocol, path_list->fpl_nh_proto);
if (FIB_PATH_LIST_FLAG_NONE != path_list->fpl_flags)
{
return (s);
}
-u8 *
-fib_path_list_adjs_format (fib_node_index_t path_list_index,
- u32 indent,
- u8 * s)
-{
- fib_path_list_t *path_list;
- u32 i;
-
- path_list = fib_path_list_get(path_list_index);
-
- vec_foreach_index (i, path_list->fpl_paths)
- {
- s = fib_path_adj_format(path_list->fpl_paths[i],
- indent, s);
- }
-
- return (s);
-}
-
-
u8 *
fib_path_list_format (fib_node_index_t path_list_index,
u8 * s)
return (path_list->fpl_flags & FIB_PATH_LIST_FLAG_LOOPED);
}
-static fib_path_cfg_flags_t
-fib_path_list_flags_2_path_flags (fib_path_list_flags_t plf)
-{
- fib_path_cfg_flags_t pf = FIB_PATH_CFG_FLAG_NONE;
-
- if (plf & FIB_PATH_LIST_FLAG_LOCAL)
- {
- pf |= FIB_PATH_CFG_FLAG_LOCAL;
- }
- if (plf & FIB_PATH_LIST_FLAG_DROP)
- {
- pf |= FIB_PATH_CFG_FLAG_DROP;
- }
- if (plf & FIB_PATH_LIST_FLAG_EXCLUSIVE)
- {
- pf |= FIB_PATH_CFG_FLAG_EXCLUSIVE;
- }
-
- return (pf);
-}
-
static fib_path_list_flags_t
fib_path_list_flags_fixup (fib_path_list_flags_t flags)
{
flags = fib_path_list_flags_fixup(flags);
path_list = fib_path_list_alloc(&path_list_index);
path_list->fpl_flags = flags;
- /*
- * we'll assume for now all paths are the same next-hop protocol
- */
- path_list->fpl_nh_proto = rpaths[0].frp_proto;
- vec_foreach_index(i, rpaths)
+ if (NULL != rpaths)
{
- vec_add1(path_list->fpl_paths,
- fib_path_create(path_list_index,
- path_list->fpl_nh_proto,
- fib_path_list_flags_2_path_flags(flags),
- &rpaths[i]));
+ vec_foreach_index(i, rpaths)
+ {
+ vec_add1(path_list->fpl_paths,
+ fib_path_create(path_list_index,
+ &rpaths[i]));
+ }
}
/*
return (path_list_index);
}
+static fib_path_cfg_flags_t
+fib_path_list_flags_2_path_flags (fib_path_list_flags_t plf)
+{
+ fib_path_cfg_flags_t pf = FIB_PATH_CFG_FLAG_NONE;
+
+ if (plf & FIB_PATH_LIST_FLAG_DROP)
+ {
+ pf |= FIB_PATH_CFG_FLAG_DROP;
+ }
+ if (plf & FIB_PATH_LIST_FLAG_EXCLUSIVE)
+ {
+ pf |= FIB_PATH_CFG_FLAG_EXCLUSIVE;
+ }
+ if (plf & FIB_PATH_LIST_FLAG_LOCAL)
+ {
+ pf |= FIB_PATH_CFG_FLAG_LOCAL;
+ }
+
+ return (pf);
+}
+
fib_node_index_t
fib_path_list_create_special (fib_protocol_t nh_proto,
fib_path_list_flags_t flags,
path_list = fib_path_list_alloc(&path_list_index);
path_list->fpl_flags = flags;
- path_list->fpl_nh_proto = nh_proto;
path_index =
fib_path_create_special(path_list_index,
- path_list->fpl_nh_proto,
+ nh_proto,
fib_path_list_flags_2_path_flags(flags),
dpo);
vec_add1(path_list->fpl_paths, path_index);
return (path_list_index);
}
+/*
+ * return the index info the path-lists's vector of paths, of the matching path.
+ * ~0 if not found
+ */
+u32
+fib_path_list_find_rpath (fib_node_index_t path_list_index,
+ const fib_route_path_t *rpath)
+{
+ fib_path_list_t *path_list;
+ u32 ii;
+
+ path_list = fib_path_list_get(path_list_index);
+
+ vec_foreach_index (ii, path_list->fpl_paths)
+ {
+ if (!fib_path_cmp_w_route_path(path_list->fpl_paths[ii], rpath))
+ {
+ return (ii);
+ }
+ }
+ return (~0);
+}
+
+
/*
* fib_path_list_copy_and_path_add
*
* The path-list returned could either have been newly created, or
* can be a shared path-list from the data-base.
*/
+fib_node_index_t
+fib_path_list_path_add (fib_node_index_t path_list_index,
+ const fib_route_path_t *rpaths)
+{
+ fib_node_index_t new_path_index, *orig_path_index;
+ fib_path_list_t *path_list;
+
+ /*
+ * alloc the new list before we retrieve the old one, lest
+ * the alloc result in a realloc
+ */
+ path_list = fib_path_list_get(path_list_index);
+
+ ASSERT(1 == vec_len(rpaths));
+ ASSERT(!(path_list->fpl_flags & FIB_PATH_LIST_FLAG_SHARED));
+
+ FIB_PATH_LIST_DBG(orig_path_list, "path-add");
+
+ new_path_index = fib_path_create(path_list_index,
+ rpaths);
+
+ vec_foreach (orig_path_index, path_list->fpl_paths)
+ {
+ /*
+ * don't add duplicate paths
+ */
+ if (0 == fib_path_cmp(new_path_index, *orig_path_index))
+ {
+ return (*orig_path_index);
+ }
+ }
+
+ /*
+ * Add the new path - no sort, no sharing, no key..
+ */
+ vec_add1(path_list->fpl_paths, new_path_index);
+
+ FIB_PATH_LIST_DBG(path_list, "path-added");
+
+ /*
+ * no shared path list requested. resolve and use the one
+ * just created.
+ */
+ fib_path_resolve(new_path_index);
+
+ return (new_path_index);
+}
+
fib_node_index_t
fib_path_list_copy_and_path_add (fib_node_index_t orig_path_list_index,
- fib_path_list_flags_t flags,
- const fib_route_path_t *rpaths)
+ fib_path_list_flags_t flags,
+ const fib_route_path_t *rpaths)
{
fib_node_index_t path_index, new_path_index, *orig_path_index;
fib_path_list_t *path_list, *orig_path_list;
+ fib_node_index_t exist_path_list_index;
fib_node_index_t path_list_index;
fib_node_index_t pi;
flags = fib_path_list_flags_fixup(flags);
path_list->fpl_flags = flags;
- path_list->fpl_nh_proto = orig_path_list->fpl_nh_proto;
+
vec_validate(path_list->fpl_paths, vec_len(orig_path_list->fpl_paths));
pi = 0;
new_path_index = fib_path_create(path_list_index,
- path_list->fpl_nh_proto,
- fib_path_list_flags_2_path_flags(flags),
rpaths);
vec_foreach (orig_path_index, orig_path_list->fpl_paths)
FIB_PATH_LIST_DBG(path_list, "path-added");
/*
- * If a shared path list is requested, consult the DB for a match
+ * check for a matching path-list in the DB.
+ * If we find one then we can return the existing one and destroy the
+ * new one just created.
*/
- if (path_list->fpl_flags & FIB_PATH_LIST_FLAG_SHARED)
+ exist_path_list_index = fib_path_list_db_find(path_list);
+ if (FIB_NODE_INDEX_INVALID != exist_path_list_index)
{
- fib_node_index_t exist_path_list_index;
- /*
- * check for a matching path-list in the DB.
- * If we find one then we can return the existing one and destroy the
- * new one just created.
- */
- exist_path_list_index = fib_path_list_db_find(path_list);
- if (FIB_NODE_INDEX_INVALID != exist_path_list_index)
- {
- fib_path_list_destroy(path_list);
+ fib_path_list_destroy(path_list);
- path_list_index = exist_path_list_index;
- }
- else
- {
- /*
- * if there was not a matching path-list, then this
- * new one will need inserting into the DB and resolving.
- */
- fib_path_list_db_insert(path_list_index);
-
- path_list = fib_path_list_resolve(path_list);
- }
+ path_list_index = exist_path_list_index;
}
else
{
- /*
- * no shared path list requested. resolve and use the one
- * just created.
- */
- path_list = fib_path_list_resolve(path_list);
+ /*
+ * if there was not a matching path-list, then this
+ * new one will need inserting into the DB and resolving.
+ */
+ fib_path_list_db_insert(path_list_index);
+
+ path_list = fib_path_list_resolve(path_list);
}
return (path_list_index);
}
+/*
+ * fib_path_list_path_remove
+ */
+fib_node_index_t
+fib_path_list_path_remove (fib_node_index_t path_list_index,
+ const fib_route_path_t *rpaths)
+{
+ fib_node_index_t match_path_index, tmp_path_index;
+ fib_path_list_t *path_list;
+ fib_node_index_t pi;
+
+ path_list = fib_path_list_get(path_list_index);
+
+ ASSERT(1 == vec_len(rpaths));
+ ASSERT(!(path_list->fpl_flags & FIB_PATH_LIST_FLAG_SHARED));
+
+ FIB_PATH_LIST_DBG(orig_path_list, "path-remove");
+
+ /*
+ * create a representation of the path to be removed, so it
+ * can be used as a comparison object during the copy.
+ */
+ tmp_path_index = fib_path_create(path_list_index,
+ rpaths);
+ match_path_index = FIB_NODE_INDEX_INVALID;
+
+ vec_foreach_index (pi, path_list->fpl_paths)
+ {
+ if (0 == fib_path_cmp(tmp_path_index,
+ path_list->fpl_paths[pi]))
+ {
+ /*
+ * match - remove it
+ */
+ match_path_index = path_list->fpl_paths[pi];
+ fib_path_destroy(match_path_index);
+ vec_del1(path_list->fpl_paths, pi);
+ }
+ }
+
+ /*
+ * done with the temporary now
+ */
+ fib_path_destroy(tmp_path_index);
+
+ return (match_path_index);
+}
+
/*
* fib_path_list_copy_and_path_remove
*
FIB_PATH_LIST_DBG(orig_path_list, "copy-remove");
path_list->fpl_flags = flags;
- path_list->fpl_nh_proto = orig_path_list->fpl_nh_proto;
/*
* allocate as many paths as we might need in one go, rather than
* using vec_add to do a few at a time.
* can be used as a comparison object during the copy.
*/
tmp_path_index = fib_path_create(path_list_index,
- path_list->fpl_nh_proto,
- fib_path_list_flags_2_path_flags(flags),
rpaths);
vec_foreach (orig_path_index, orig_path_list->fpl_paths)
Code Review / vpp.git / blobdiff