/** Start nodes */
char **start_nodes;
int n_start_nodes;
+ /** End of the arc (optional, for consistency-checking) */
+ char *last_in_arc;
/* Feature arc index, assigned by init function */
u8 feature_arc_index;
u8 *arc_index_ptr;
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;
/** 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 */
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; \
#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
void *feature_config,
u32 n_feature_config_bytes);
+static_always_inline u32
+vnet_get_feature_count (u8 arc, u32 sw_if_index)
+{
+ vnet_feature_main_t *fm = &feature_main;
+ return (fm->feature_count_by_sw_if_index[arc][sw_if_index]);
+}
+
static inline vnet_feature_config_main_t *
vnet_get_feature_arc_config_main (u8 arc_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,
+ char *last_in_arc,
+ 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);