Option to forward BPDU (Ethernet control class) frames

[sliver-openvswitch.git] / ofproto / ofproto-provider.h

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 985f112..037dbae 100644 (file)
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -41,6 +41,8 @@ struct ofproto {
     unsigned flow_eviction_threshold; /* Threshold at which to begin flow
                                        * table eviction. Only affects the
                                        * ofproto-dpif implementation */
+    bool forward_bpdu;          /* Option to allow forwarding of BPDU frames
+                                 * when NORMAL action is invoked. */
     char *mfr_desc;             /* Manufacturer. */
     char *hw_desc;              /* Hardware. */
     char *sw_desc;              /* Software version. */
@@ -67,6 +69,15 @@ struct ofproto {
 struct ofproto *ofproto_lookup(const char *name);
 struct ofport *ofproto_get_port(const struct ofproto *, uint16_t ofp_port);
 
+/* Assigns CLS to each classifier table, in turn, in OFPROTO.
+ *
+ * All parameters are evaluated multiple times. */
+#define OFPROTO_FOR_EACH_TABLE(CLS, OFPROTO)                \
+    for ((CLS) = (OFPROTO)->tables;                         \
+         (CLS) < &(OFPROTO)->tables[(OFPROTO)->n_tables];   \
+         (CLS)++)
+
+
 /* An OpenFlow port within a "struct ofproto".
  *
  * With few exceptions, ofproto implementations may look at these fields but
@@ -598,8 +609,7 @@ struct ofproto_class {
      * If multiple tables are candidates for inserting the flow, the function
      * should choose one arbitrarily (but deterministically).
      *
-     * This function will never be called for an ofproto that has only one
-     * table, so it may be NULL in that case. */
+     * If this function is NULL then table 0 is always chosen. */
     int (*rule_choose_table)(const struct ofproto *ofproto,
                              const struct cls_rule *cls_rule,
                              uint8_t *table_idp);
@@ -918,6 +928,10 @@ struct ofproto_class {
     /* Returns true if 'aux' is a registered bundle that is currently in use as
      * the output for a mirror. */
     bool (*is_mirror_output_bundle)(struct ofproto *ofproto, void *aux);
+
+    /* When the configuration option of forward_bpdu changes, this function
+     * will be invoked. */
+    void (*forward_bpdu_changed)(struct ofproto *ofproto);
 };
 
 extern const struct ofproto_class ofproto_dpif_class;