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-rw-r--r--src/vnet/mpls/mpls_tunnel.c117
1 files changed, 19 insertions, 98 deletions
diff --git a/src/vnet/mpls/mpls_tunnel.c b/src/vnet/mpls/mpls_tunnel.c
index 457d48eb6bf..d6e85e70b44 100644
--- a/src/vnet/mpls/mpls_tunnel.c
+++ b/src/vnet/mpls/mpls_tunnel.c
@@ -99,14 +99,13 @@ typedef struct mpls_tunnel_collect_forwarding_ctx_t_
fib_forward_chain_type_t fct;
} mpls_tunnel_collect_forwarding_ctx_t;
-static int
+static fib_path_list_walk_rc_t
mpls_tunnel_collect_forwarding (fib_node_index_t pl_index,
fib_node_index_t path_index,
void *arg)
{
mpls_tunnel_collect_forwarding_ctx_t *ctx;
fib_path_ext_t *path_ext;
- int have_path_ext;
ctx = arg;
@@ -115,23 +114,16 @@ mpls_tunnel_collect_forwarding (fib_node_index_t pl_index,
*/
if (!fib_path_is_resolved(path_index))
{
- return (!0);
+ return (FIB_PATH_LIST_WALK_CONTINUE);
}
/*
* get the matching path-extension for the path being visited.
*/
- have_path_ext = 0;
- vec_foreach(path_ext, ctx->mt->mt_path_exts)
- {
- if (path_ext->fpe_path_index == path_index)
- {
- have_path_ext = 1;
- break;
- }
- }
+ path_ext = fib_path_ext_list_find_by_path_index(&ctx->mt->mt_path_exts,
+ path_index);
- if (have_path_ext)
+ if (NULL != path_ext)
{
/*
* found a matching extension. stack it to obtain the forwarding
@@ -149,7 +141,7 @@ mpls_tunnel_collect_forwarding (fib_node_index_t pl_index,
* There should be a path-extenios associated with each path
*/
- return (!0);
+ return (FIB_PATH_LIST_WALK_CONTINUE);
}
static void
@@ -648,58 +640,6 @@ vnet_mpls_tunnel_create (u8 l2_only,
return (mt->mt_sw_if_index);
}
-/*
- * mpls_tunnel_path_ext_add
- *
- * append a path extension to the entry's list
- */
-static void
-mpls_tunnel_path_ext_append (mpls_tunnel_t *mt,
- const fib_route_path_t *rpath)
-{
- if (NULL != rpath->frp_label_stack)
- {
- fib_path_ext_t *path_ext;
-
- vec_add2(mt->mt_path_exts, path_ext, 1);
-
- fib_path_ext_init(path_ext, mt->mt_path_list, rpath);
- }
-}
-
-/*
- * mpls_tunnel_path_ext_insert
- *
- * insert, sorted, a path extension to the entry's list.
- * It's not strictly necessary in sort the path extensions, since each
- * extension has the path index to which it resolves. However, by being
- * sorted the load-balance produced has a deterministic order, not an order
- * based on the sequence of extension additions. this is a considerable benefit.
- */
-static void
-mpls_tunnel_path_ext_insert (mpls_tunnel_t *mt,
- const fib_route_path_t *rpath)
-{
- if (0 == vec_len(mt->mt_path_exts))
- return (mpls_tunnel_path_ext_append(mt, rpath));
-
- if (NULL != rpath->frp_label_stack)
- {
- fib_path_ext_t path_ext;
- int i = 0;
-
- fib_path_ext_init(&path_ext, mt->mt_path_list, rpath);
-
- while (i < vec_len(mt->mt_path_exts) &&
- (fib_path_ext_cmp(&mt->mt_path_exts[i], rpath) < 0))
- {
- i++;
- }
-
- vec_insert_elts(mt->mt_path_exts, &path_ext, 1, i);
- }
-}
-
void
vnet_mpls_tunnel_path_add (u32 sw_if_index,
fib_route_path_t *rpaths)
@@ -727,7 +667,6 @@ vnet_mpls_tunnel_path_add (u32 sw_if_index,
else
{
fib_node_index_t old_pl_index;
- fib_path_ext_t *path_ext;
old_pl_index = mt->mt_path_list;
@@ -744,12 +683,12 @@ vnet_mpls_tunnel_path_add (u32 sw_if_index,
/*
* re-resolve all the path-extensions with the new path-list
*/
- vec_foreach(path_ext, mt->mt_path_exts)
- {
- fib_path_ext_resolve(path_ext, mt->mt_path_list);
- }
+ fib_path_ext_list_resolve(&mt->mt_path_exts, mt->mt_path_list);
}
- mpls_tunnel_path_ext_insert(mt, rpaths);
+ fib_path_ext_list_insert(&mt->mt_path_exts,
+ mt->mt_path_list,
+ FIB_PATH_EXT_MPLS,
+ rpaths);
mpls_tunnel_restack(mt);
}
@@ -778,7 +717,6 @@ vnet_mpls_tunnel_path_remove (u32 sw_if_index,
else
{
fib_node_index_t old_pl_index;
- fib_path_ext_t *path_ext;
old_pl_index = mt->mt_path_list;
@@ -805,27 +743,15 @@ vnet_mpls_tunnel_path_remove (u32 sw_if_index,
/*
* find the matching path extension and remove it
*/
- vec_foreach(path_ext, mt->mt_path_exts)
- {
- if (!fib_path_ext_cmp(path_ext, rpaths))
- {
- /*
- * delete the element moving the remaining elements down 1 position.
- * this preserves the sorted order.
- */
- vec_free(path_ext->fpe_label_stack);
- vec_delete(mt->mt_path_exts, 1,
- (path_ext - mt->mt_path_exts));
- break;
- }
- }
- /*
+ fib_path_ext_list_remove(&mt->mt_path_exts,
+ FIB_PATH_EXT_MPLS,
+ rpaths);
+
+ /*
* re-resolve all the path-extensions with the new path-list
*/
- vec_foreach(path_ext, mt->mt_path_exts)
- {
- fib_path_ext_resolve(path_ext, mt->mt_path_list);
- }
+ fib_path_ext_list_resolve(&mt->mt_path_exts,
+ mt->mt_path_list);
mpls_tunnel_restack(mt);
}
@@ -960,7 +886,6 @@ format_mpls_tunnel (u8 * s, va_list * args)
{
mpls_tunnel_t *mt = va_arg (*args, mpls_tunnel_t *);
mpls_tunnel_attribute_t attr;
- fib_path_ext_t *path_ext;
s = format(s, "mpls_tunnel%d: sw_if_index:%d hw_if_index:%d",
mt - mpls_tunnel_pool,
@@ -976,11 +901,7 @@ format_mpls_tunnel (u8 * s, va_list * args)
}
s = format(s, "\n via:\n");
s = fib_path_list_format(mt->mt_path_list, s);
- s = format(s, " Extensions:");
- vec_foreach(path_ext, mt->mt_path_exts)
- {
- s = format(s, "\n %U", format_fib_path_ext, path_ext);
- }
+ s = format(s, "%U", format_fib_path_ext_list, &mt->mt_path_exts);
s = format(s, "\n");
return (s);