bfd: Implement Bidirectional Forwarding Detection.

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

diff --git a/ofproto/ofproto-provider.h b/ofproto/ofproto-provider.h
index 2f429e0..b9d6f0d 100644 (file)
--- a/ofproto/ofproto-provider.h
+++ b/ofproto/ofproto-provider.h
@@ -33,6 +33,7 @@
 struct match;
 struct ofpact;
 struct ofputil_flow_mod;
+struct bfd_cfg;
 
 /* An OpenFlow switch.
  *
@@ -1144,6 +1145,21 @@ struct ofproto_class {
     bool (*get_cfm_status)(const struct ofport *ofport,
                            struct ofproto_cfm_status *status);
 
+    /* Configures BFD on 'ofport'.
+     *
+     * If 'cfg' is NULL, or 'cfg' does not contain the key value pair
+     * "enable=true", removes BFD from 'ofport'.  Otherwise, configures BFD
+     * according to 'cfg'.
+     *
+     * EOPNOTSUPP as a return value indicates that this ofproto_class does not
+     * support BFD, as does a null pointer. */
+    int (*set_bfd)(struct ofport *ofport, const struct smap *cfg);
+
+    /* Populates 'smap' with the status of BFD on 'ofport'.  Returns 0 on
+     * success, or a positive errno.  EOPNOTSUPP as a return value indicates
+     * that this ofproto_class does not support BFD, as does a null pointer. */
+    int (*get_bfd_status)(struct ofport *ofport, struct smap *smap);
+
     /* Configures spanning tree protocol (STP) on 'ofproto' using the
      * settings defined in 's'.
      *