/* Definitions for use within ofproto. */
#include "ofproto/ofproto.h"
+#include "cfm.h"
#include "classifier.h"
#include "list.h"
#include "shash.h"
#include "timeval.h"
+struct ofputil_flow_mod;
+
/* An OpenFlow switch.
*
* With few exceptions, ofproto implementations may look at these fields but
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. */
/* Flow table operation tracking. */
int state; /* Internal state. */
struct list pending; /* List of "struct ofopgroup"s. */
+ unsigned int n_pending; /* list_size(&pending). */
struct hmap deletions; /* All OFOPERATION_DELETE "ofoperation"s. */
};
struct ofp_phy_port opp;
uint16_t ofp_port; /* OpenFlow port number. */
unsigned int change_seq;
+ int mtu;
};
/* An OpenFlow flow within a "struct ofproto".
ovs_be64 flow_cookie; /* Controller-issued identifier. */
long long int created; /* Creation time. */
+ long long int modified; /* Time of last modification. */
uint16_t idle_timeout; /* In seconds from time of last use. */
- uint16_t hard_timeout; /* In seconds from time of creation. */
+ uint16_t hard_timeout; /* In seconds from last modification. */
uint8_t table_id; /* Index in ofproto's 'tables' array. */
bool send_flow_removed; /* Send a flow removed message? */
*
* - 'rule' is replacing an existing rule in its flow table that had the
* same matching criteria and priority. In this case,
- * ofoperation_get_victim(rule) returns the rule being replaced.
+ * ofoperation_get_victim(rule) returns the rule being replaced (the
+ * "victim" rule).
*
* ->rule_construct() should set the following in motion:
*
* - If the rule is valid, update the datapath flow table, adding the new
* rule or replacing the existing one.
*
+ * - If 'rule' is replacing an existing rule, uninitialize any derived
+ * state for the victim rule, as in step 5 in the "Life Cycle"
+ * described above.
+ *
* (On failure, the ofproto code will roll back the insertion from the flow
- * table, either removing 'rule' or replacing it by the flow that was
- * originally in its place.)
+ * table, either removing 'rule' or replacing it by the victim rule if
+ * there is one.)
*
* ->rule_construct() must act in one of the following ways:
*
* * Return an OpenFlow error code (as returned by ofp_mkerr()). (Do
* not call ofoperation_complete() in this case.)
*
- * In the former case, ->rule_destruct() will be called; in the latter
- * case, it will not. ->rule_dealloc() will be called in either case.
+ * Either way, ->rule_destruct() will not be called for 'rule', but
+ * ->rule_dealloc() will be.
*
* - If the operation is only partially complete, then it must return 0.
* Later, when the operation is complete, the ->run() or ->destruct()
* not support CFM. */
int (*get_cfm_fault)(const struct ofport *ofport);
+ /* Gets the MPIDs of the remote maintenance points broadcasting to
+ * 'ofport'. Populates 'rmps' with a provider owned array of MPIDs, and
+ * 'n_rmps' with the number of MPIDs in 'rmps'. Returns a number less than
+ * 0 if CFM is not enabled of 'ofport'.
+ *
+ * This function may be a null pointer if the ofproto implementation does
+ * not support CFM. */
+ int (*get_cfm_remote_mpids)(const struct ofport *ofport,
+ const uint64_t **rmps, size_t *n_rmps);
+
/* If 's' is nonnull, this function registers a "bundle" associated with
* client data pointer 'aux' in 'ofproto'. A bundle is the same concept as
* a Port in OVSDB, that is, it consists of one or more "slave" devices
/* 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;
int ofproto_class_register(const struct ofproto_class *);
int ofproto_class_unregister(const struct ofproto_class *);
+/* ofproto_flow_mod() returns this value if the flow_mod could not be processed
+ * because it overlaps with an ongoing flow table operation that has not yet
+ * completed. The caller should retry the operation later.
+ *
+ * ofproto.c also uses this value internally for additional (similar) purposes.
+ *
+ * This particular value is a good choice because it is negative (so it won't
+ * collide with any errno value or any value returned by ofp_mkerr()) and large
+ * (so it won't accidentally collide with EOF or a negative errno value). */
+enum { OFPROTO_POSTPONE = -100000 };
+
+int ofproto_flow_mod(struct ofproto *, const struct ofputil_flow_mod *);
void ofproto_add_flow(struct ofproto *, const struct cls_rule *,
const union ofp_action *, size_t n_actions);
bool ofproto_delete_flow(struct ofproto *, const struct cls_rule *);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff