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-rw-r--r--src/vnet/feature/feature.h61
1 files changed, 55 insertions, 6 deletions
diff --git a/src/vnet/feature/feature.h b/src/vnet/feature/feature.h
index eb9b7b06243..5c202dda274 100644
--- a/src/vnet/feature/feature.h
+++ b/src/vnet/feature/feature.h
@@ -60,6 +60,21 @@ typedef struct _vnet_feature_registration
vnet_feature_enable_disable_function_t *enable_disable_cb;
} vnet_feature_registration_t;
+/** constraint registration object */
+typedef struct _vnet_feature_constraint_registration
+{
+ /** next constraint set in list of all registrations*/
+ struct _vnet_feature_constraint_registration *next, *next_in_arc;
+ /** Feature arc name */
+ char *arc_name;
+
+ /** Feature arc index, assigned by init function */
+ u8 feature_arc_index;
+
+ /** Node names, to run in the specified order */
+ char **node_names;
+} vnet_feature_constraint_registration_t;
+
typedef struct vnet_feature_config_main_t_
{
vnet_config_main_t config_main;
@@ -75,6 +90,8 @@ typedef struct
/** feature path configuration lists */
vnet_feature_registration_t *next_feature;
vnet_feature_registration_t **next_feature_by_arc;
+ vnet_feature_constraint_registration_t *next_constraint;
+ vnet_feature_constraint_registration_t **next_constraint_by_arc;
uword **next_feature_by_name;
/** feature config main objects */
@@ -139,6 +156,28 @@ static void __vnet_rm_feature_registration_##x (void) \
VLIB_REMOVE_FROM_LINKED_LIST (fm->next_feature, r, next); \
} \
__VA_ARGS__ vnet_feature_registration_t vnet_feat_##x
+
+#define VNET_FEATURE_ARC_ORDER(x,...) \
+ __VA_ARGS__ vnet_feature_constraint_registration_t \
+vnet_feature_constraint_##x; \
+static void __vnet_add_constraint_registration_##x (void) \
+ __attribute__((__constructor__)) ; \
+static void __vnet_add_constraint_registration_##x (void) \
+{ \
+ vnet_feature_main_t * fm = &feature_main; \
+ vnet_feature_constraint_##x.next = fm->next_constraint; \
+ fm->next_constraint = & vnet_feature_constraint_##x; \
+} \
+static void __vnet_rm_constraint_registration_##x (void) \
+ __attribute__((__destructor__)) ; \
+static void __vnet_rm_constraint_registration_##x (void) \
+{ \
+ vnet_feature_main_t * fm = &feature_main; \
+ vnet_feature_constraint_registration_t *r = &vnet_feature_constraint_##x; \
+ VLIB_REMOVE_FROM_LINKED_LIST (fm->next_constraint, r, next); \
+} \
+__VA_ARGS__ vnet_feature_constraint_registration_t vnet_feature_constraint_##x
+
#else
#define VNET_FEATURE_ARC_INIT(x,...) \
extern vnet_feature_arc_registration_t __clib_unused vnet_feat_arc_##x; \
@@ -146,6 +185,14 @@ static vnet_feature_arc_registration_t __clib_unused __clib_unused_vnet_feat_arc
#define VNET_FEATURE_INIT(x,...) \
extern vnet_feature_registration_t __clib_unused vnet_feat_##x; \
static vnet_feature_registration_t __clib_unused __clib_unused_vnet_feat_##x
+
+#define VNET_FEATURE_ARC_ORDER(x,...) \
+extern vnet_feature_constraint_registration_t \
+__clib_unused vnet_feature_constraint_##x; \
+static vnet_feature_constraint_registration_t __clib_unused \
+__clib_unused_vnet_feature_constraint_##x
+
+
#endif
void
@@ -385,12 +432,14 @@ vnet_feature_start_device_input_x4 (u32 sw_if_index,
#define VNET_FEATURES(...) (char*[]) { __VA_ARGS__, 0}
-clib_error_t *vnet_feature_arc_init (vlib_main_t * vm,
- vnet_config_main_t * vcm,
- char **feature_start_nodes,
- int num_feature_start_nodes,
- vnet_feature_registration_t *
- first_reg, char ***feature_nodes);
+clib_error_t *vnet_feature_arc_init
+ (vlib_main_t * vm,
+ vnet_config_main_t * vcm,
+ char **feature_start_nodes,
+ int num_feature_start_nodes,
+ vnet_feature_registration_t * first_reg,
+ vnet_feature_constraint_registration_t * first_const_set,
+ char ***in_feature_nodes);
void vnet_interface_features_show (vlib_main_t * vm, u32 sw_if_index,
int verbose);