const struct ofputil_flow_mod *,
const struct ofp_header *);
static void delete_flow__(struct rule *, struct ofopgroup *);
-static bool handle_openflow(struct ofconn *, struct ofpbuf *);
+static bool handle_openflow(struct ofconn *, const struct ofpbuf *);
static enum ofperr handle_flow_mod__(struct ofproto *, struct ofconn *,
const struct ofputil_flow_mod *,
const struct ofp_header *);
+static void calc_duration(long long int start, long long int now,
+ uint32_t *sec, uint32_t *nsec);
/* ofproto. */
static uint64_t pick_datapath_id(const struct ofproto *);
static size_t n_ofproto_classes;
static size_t allocated_ofproto_classes;
+unsigned flow_eviction_threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
+
/* Map from datapath name to struct ofproto, for use by unixctl commands. */
static struct hmap all_ofprotos = HMAP_INITIALIZER(&all_ofprotos);
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+/* The default value of true waits for flow restore. */
+static bool flow_restore_wait = true;
+
/* Must be called to initialize the ofproto library.
*
* The caller may pass in 'iface_hints', which contains an shash of
hmap_insert(&all_ofprotos, &ofproto->hmap_node,
hash_string(ofproto->name, 0));
ofproto->datapath_id = 0;
- ofproto_set_flow_eviction_threshold(ofproto,
- OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT);
ofproto->forward_bpdu = false;
ofproto->fallback_dpid = pick_fallback_dpid();
ofproto->mfr_desc = NULL;
ofproto->max_ports = OFPP_MAX;
ofproto->tables = NULL;
ofproto->n_tables = 0;
+ list_init(&ofproto->expirable);
ofproto->connmgr = connmgr_create(ofproto, datapath_name, datapath_name);
ofproto->state = S_OPENFLOW;
list_init(&ofproto->pending);
/* Sets the number of flows at which eviction from the kernel flow table
* will occur. */
void
-ofproto_set_flow_eviction_threshold(struct ofproto *ofproto, unsigned threshold)
+ofproto_set_flow_eviction_threshold(unsigned threshold)
{
- if (threshold < OFPROTO_FLOW_EVICTION_THRESHOLD_MIN) {
- ofproto->flow_eviction_threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_MIN;
- } else {
- ofproto->flow_eviction_threshold = threshold;
- }
+ flow_eviction_threshold = MAX(OFPROTO_FLOW_EVICTION_THRESHOLD_MIN,
+ threshold);
}
/* If forward_bpdu is true, the NORMAL action will forward frames with
return oso ? EOPNOTSUPP : 0;
}
}
+
+int
+ofproto_set_ipfix(struct ofproto *ofproto,
+ const struct ofproto_ipfix_bridge_exporter_options *bo,
+ const struct ofproto_ipfix_flow_exporter_options *fo,
+ size_t n_fo)
+{
+ if (ofproto->ofproto_class->set_ipfix) {
+ return ofproto->ofproto_class->set_ipfix(ofproto, bo, fo, n_fo);
+ } else {
+ return (bo || fo) ? EOPNOTSUPP : 0;
+ }
+}
+
+void
+ofproto_set_flow_restore_wait(bool flow_restore_wait_db)
+{
+ flow_restore_wait = flow_restore_wait_db;
+}
+
+bool
+ofproto_get_flow_restore_wait(void)
+{
+ return flow_restore_wait;
+}
+
\f
/* Spanning Tree Protocol (STP) configuration. */
}
}
+/* Configures BFD on 'ofp_port' in 'ofproto'. This function has no effect if
+ * 'ofproto' does not have a port 'ofp_port'. */
+void
+ofproto_port_set_bfd(struct ofproto *ofproto, uint16_t ofp_port,
+ const struct smap *cfg)
+{
+ struct ofport *ofport;
+ int error;
+
+ ofport = ofproto_get_port(ofproto, ofp_port);
+ if (!ofport) {
+ VLOG_WARN("%s: cannot configure bfd on nonexistent port %"PRIu16,
+ ofproto->name, ofp_port);
+ return;
+ }
+
+ error = (ofproto->ofproto_class->set_bfd
+ ? ofproto->ofproto_class->set_bfd(ofport, cfg)
+ : EOPNOTSUPP);
+ if (error) {
+ VLOG_WARN("%s: bfd configuration on port %"PRIu16" (%s) failed (%s)",
+ ofproto->name, ofp_port, netdev_get_name(ofport->netdev),
+ strerror(error));
+ }
+}
+
+/* Populates 'status' with key value pairs indicating the status of the BFD
+ * session on 'ofp_port'. This information is intended to be populated in the
+ * OVS database. Has no effect if 'ofp_port' is not na OpenFlow port in
+ * 'ofproto'. */
+int
+ofproto_port_get_bfd_status(struct ofproto *ofproto, uint16_t ofp_port,
+ struct smap *status)
+{
+ struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
+ return (ofport && ofproto->ofproto_class->get_bfd_status
+ ? ofproto->ofproto_class->get_bfd_status(ofport, status)
+ : EOPNOTSUPP);
+}
+
/* Checks the status of LACP negotiation for 'ofp_port' within ofproto.
* Returns 1 if LACP partner information for 'ofp_port' is up-to-date,
* 0 if LACP partner information is not current (generally indicating a
static void
dealloc_ofp_port(const struct ofproto *ofproto, uint16_t ofp_port)
{
- bitmap_set0(ofproto->ofp_port_ids, ofp_port);
+ if (ofp_port < ofproto->max_ports) {
+ bitmap_set0(ofproto->ofp_port_ids, ofp_port);
+ }
}
/* Opens and returns a netdev for 'ofproto_port' in 'ofproto', or a null
ofport->change_seq = netdev_change_seq(netdev);
ofport->pp = *pp;
ofport->ofp_port = pp->port_no;
+ ofport->created = time_msec();
/* Add port to 'p'. */
hmap_insert(&p->ports, &ofport->hmap_node, hash_int(ofport->ofp_port, 0));
uint16_t flags = ntohs(osc->flags);
if (ofconn_get_type(ofconn) != OFCONN_PRIMARY
- || ofconn_get_role(ofconn) != NX_ROLE_SLAVE) {
+ || ofconn_get_role(ofconn) != OFPCR12_ROLE_SLAVE) {
enum ofp_config_flags cur = ofproto->frag_handling;
enum ofp_config_flags next = flags & OFPC_FRAG_MASK;
reject_slave_controller(struct ofconn *ofconn)
{
if (ofconn_get_type(ofconn) == OFCONN_PRIMARY
- && ofconn_get_role(ofconn) == NX_ROLE_SLAVE) {
+ && ofconn_get_role(ofconn) == OFPCR12_ROLE_SLAVE) {
return OFPERR_OFPBRC_EPERM;
} else {
return 0;
toggle = (config ^ port->pp.config) & mask;
if (toggle & OFPUTIL_PC_PORT_DOWN) {
if (config & OFPUTIL_PC_PORT_DOWN) {
- netdev_turn_flags_off(port->netdev, NETDEV_UP, true);
+ netdev_turn_flags_off(port->netdev, NETDEV_UP, NULL);
} else {
- netdev_turn_flags_on(port->netdev, NETDEV_UP, true);
+ netdev_turn_flags_on(port->netdev, NETDEV_UP, NULL);
}
toggle &= ~OFPUTIL_PC_PORT_DOWN;
}
{
struct ofputil_port_stats ops = { .port_no = port->pp.port_no };
+ calc_duration(port->created, time_msec(),
+ &ops.duration_sec, &ops.duration_nsec);
+
/* Intentionally ignore return value, since errors will set
* 'stats' to all-1s, which is correct for OpenFlow, and
* netdev_get_stats() will log errors. */
}
static void
-calc_flow_duration__(long long int start, long long int now,
- uint32_t *sec, uint32_t *nsec)
+calc_duration(long long int start, long long int now,
+ uint32_t *sec, uint32_t *nsec)
{
long long int msecs = now - start;
*sec = msecs / 1000;
fs.priority = rule->cr.priority;
fs.cookie = rule->flow_cookie;
fs.table_id = rule->table_id;
- calc_flow_duration__(rule->created, now, &fs.duration_sec,
- &fs.duration_nsec);
+ calc_duration(rule->created, now, &fs.duration_sec, &fs.duration_nsec);
fs.idle_timeout = rule->idle_timeout;
fs.hard_timeout = rule->hard_timeout;
fs.idle_age = age_secs(now - rule->used);
ofproto->ofproto_class->get_netflow_ids(ofproto, engine_type, engine_id);
}
-/* Checks the fault status of CFM for 'ofp_port' within 'ofproto'. Returns a
- * bitmask of 'cfm_fault_reason's to indicate a CFM fault (generally
- * indicating a connectivity problem). Returns zero if CFM is not faulted,
- * and -1 if CFM is not enabled on 'ofp_port'. */
-int
-ofproto_port_get_cfm_fault(const struct ofproto *ofproto, uint16_t ofp_port)
-{
- struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
- return (ofport && ofproto->ofproto_class->get_cfm_fault
- ? ofproto->ofproto_class->get_cfm_fault(ofport)
- : -1);
-}
-
-/* Checks the operational status reported by the remote CFM endpoint of
- * 'ofp_port' Returns 1 if operationally up, 0 if operationally down, and -1
- * if CFM is not enabled on 'ofp_port' or does not support operational status.
- */
-int
-ofproto_port_get_cfm_opup(const struct ofproto *ofproto, uint16_t ofp_port)
-{
- struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
- return (ofport && ofproto->ofproto_class->get_cfm_opup
- ? ofproto->ofproto_class->get_cfm_opup(ofport)
- : -1);
-}
-
-/* Gets the MPIDs of the remote maintenance points broadcasting to 'ofp_port'
- * within 'ofproto'. Populates 'rmps' with an array of MPIDs owned by
- * 'ofproto', and 'n_rmps' with the number of MPIDs in 'rmps'. Returns a
- * number less than 0 if CFM is not enabled on 'ofp_port'. */
-int
-ofproto_port_get_cfm_remote_mpids(const struct ofproto *ofproto,
- uint16_t ofp_port, const uint64_t **rmps,
- size_t *n_rmps)
+/* Checks the status of CFM configured on 'ofp_port' within 'ofproto'. Returns
+ * true if the port's CFM status was successfully stored into '*status'.
+ * Returns false if the port did not have CFM configured, in which case
+ * '*status' is indeterminate.
+ *
+ * The caller must provide and owns '*status', but it does not own and must not
+ * modify or free the array returned in 'status->rmps'. */
+bool
+ofproto_port_get_cfm_status(const struct ofproto *ofproto, uint16_t ofp_port,
+ struct ofproto_cfm_status *status)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
-
- *rmps = NULL;
- *n_rmps = 0;
- return (ofport && ofproto->ofproto_class->get_cfm_remote_mpids
- ? ofproto->ofproto_class->get_cfm_remote_mpids(ofport, rmps,
- n_rmps)
- : -1);
-}
-
-/* Checks the health of the CFM for 'ofp_port' within 'ofproto'. Returns an
- * integer value between 0 and 100 to indicate the health of the port as a
- * percentage which is the average of cfm health of all the remote_mpids or
- * returns -1 if CFM is not enabled on 'ofport'. */
-int
-ofproto_port_get_cfm_health(const struct ofproto *ofproto, uint16_t ofp_port)
-{
- struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
- return (ofport && ofproto->ofproto_class->get_cfm_health
- ? ofproto->ofproto_class->get_cfm_health(ofport)
- : -1);
+ return (ofport
+ && ofproto->ofproto_class->get_cfm_status
+ && ofproto->ofproto_class->get_cfm_status(ofport, status));
}
static enum ofperr
struct oftable *table;
struct ofopgroup *group;
struct rule *victim;
- struct cls_rule cr;
struct rule *rule;
+ uint8_t table_id;
int error;
error = check_table_id(ofproto, fm->table_id);
/* Pick table. */
if (fm->table_id == 0xff) {
- uint8_t table_id;
if (ofproto->ofproto_class->rule_choose_table) {
error = ofproto->ofproto_class->rule_choose_table(ofproto,
&fm->match,
return error;
}
ovs_assert(table_id < ofproto->n_tables);
- table = &ofproto->tables[table_id];
} else {
- table = &ofproto->tables[0];
+ table_id = 0;
}
} else if (fm->table_id < ofproto->n_tables) {
- table = &ofproto->tables[fm->table_id];
+ table_id = fm->table_id;
} else {
return OFPERR_OFPBRC_BAD_TABLE_ID;
}
+ table = &ofproto->tables[table_id];
+
if (table->flags & OFTABLE_READONLY) {
return OFPERR_OFPBRC_EPERM;
}
cls_rule_init(&rule->cr, &fm->match, fm->priority);
/* Serialize against pending deletion. */
- if (is_flow_deletion_pending(ofproto, &cr, table - ofproto->tables)) {
+ if (is_flow_deletion_pending(ofproto, &rule->cr, table_id)) {
cls_rule_destroy(&rule->cr);
ofproto->ofproto_class->rule_dealloc(rule);
return OFPROTO_POSTPONE;
rule->ofpacts_len = fm->ofpacts_len;
rule->evictable = true;
rule->eviction_group = NULL;
+ list_init(&rule->expirable);
rule->monitor_flags = 0;
rule->add_seqno = 0;
rule->modify_seqno = 0;
new_cookie = (fm->new_cookie != htonll(UINT64_MAX)
? fm->new_cookie
: rule->flow_cookie);
- if (!actions_changed && new_cookie == rule->flow_cookie) {
- /* No change at all. */
- continue;
- }
op = ofoperation_create(group, rule, OFOPERATION_MODIFY, 0);
rule->flow_cookie = new_cookie;
fr.cookie = rule->flow_cookie;
fr.reason = reason;
fr.table_id = rule->table_id;
- calc_flow_duration__(rule->created, time_msec(),
- &fr.duration_sec, &fr.duration_nsec);
+ calc_duration(rule->created, time_msec(),
+ &fr.duration_sec, &fr.duration_nsec);
fr.idle_timeout = rule->idle_timeout;
fr.hard_timeout = rule->hard_timeout;
rule->ofproto->ofproto_class->rule_get_stats(rule, &fr.packet_count,
static enum ofperr
handle_role_request(struct ofconn *ofconn, const struct ofp_header *oh)
{
- struct ofputil_role_request rr;
+ struct ofputil_role_request request;
+ struct ofputil_role_request reply;
struct ofpbuf *buf;
- uint32_t role;
enum ofperr error;
- error = ofputil_decode_role_message(oh, &rr);
+ error = ofputil_decode_role_message(oh, &request);
if (error) {
return error;
}
- if (rr.request_current_role_only) {
- role = ofconn_get_role(ofconn); /* NX_ROLE_* */
- goto reply;
- }
-
- role = rr.role;
-
- if (ofconn_get_role(ofconn) != role
- && ofconn_has_pending_opgroups(ofconn)) {
- return OFPROTO_POSTPONE;
- }
+ if (request.role != OFPCR12_ROLE_NOCHANGE) {
+ if (ofconn_get_role(ofconn) != request.role
+ && ofconn_has_pending_opgroups(ofconn)) {
+ return OFPROTO_POSTPONE;
+ }
- if (rr.have_generation_id) {
- if (!ofconn_set_master_election_id(ofconn, rr.generation_id)) {
- return OFPERR_OFPRRFC_STALE;
+ if (request.have_generation_id
+ && !ofconn_set_master_election_id(ofconn, request.generation_id)) {
+ return OFPERR_OFPRRFC_STALE;
}
- }
- ofconn_set_role(ofconn, role);
+ ofconn_set_role(ofconn, request.role);
+ }
-reply:
- buf = ofputil_encode_role_reply(oh, role);
+ reply.role = ofconn_get_role(ofconn);
+ reply.have_generation_id = ofconn_get_master_election_id(
+ ofconn, &reply.generation_id);
+ buf = ofputil_encode_role_reply(oh, &reply);
ofconn_send_reply(ofconn, buf);
return 0;
}
static bool
-handle_openflow(struct ofconn *ofconn, struct ofpbuf *ofp_msg)
+handle_openflow(struct ofconn *ofconn, const struct ofpbuf *ofp_msg)
{
int error = handle_openflow__(ofconn, ofp_msg);
if (error && error != OFPROTO_POSTPONE) {
LIST_FOR_EACH_SAFE (op, next_op, group_node, &group->ops) {
struct rule *rule = op->rule;
- if (!op->error && !ofproto_rule_is_hidden(rule)) {
+ /* We generally want to report the change to active OpenFlow flow
+ monitors (e.g. NXST_FLOW_MONITOR). There are three exceptions:
+
+ - The operation failed.
+
+ - The affected rule is not visible to controllers.
+
+ - The operation's only effect was to update rule->modified. */
+ if (!(op->error
+ || ofproto_rule_is_hidden(rule)
+ || (op->type == OFOPERATION_MODIFY
+ && op->ofpacts
+ && rule->flow_cookie == op->flow_cookie))) {
/* Check that we can just cast from ofoperation_type to
* nx_flow_update_event. */
BUILD_ASSERT_DECL((enum nx_flow_update_event) OFOPERATION_ADD
classifier_remove(&table->cls, &rule->cr);
eviction_group_remove_rule(rule);
+ if (!list_is_empty(&rule->expirable)) {
+ list_remove(&rule->expirable);
+ }
}
/* Inserts 'rule' into its oftable. Removes any existing rule from 'rule''s
struct ofproto *ofproto = rule->ofproto;
struct oftable *table = &ofproto->tables[rule->table_id];
struct rule *victim;
+ bool may_expire = rule->hard_timeout || rule->idle_timeout;
+
+ if (may_expire) {
+ list_insert(&ofproto->expirable, &rule->expirable);
+ }
victim = rule_from_cls_rule(classifier_replace(&table->cls, &rule->cr));
if (victim) {
+ if (!list_is_empty(&victim->expirable)) {
+ list_remove(&victim->expirable);
+ }
eviction_group_remove_rule(victim);
}
eviction_group_add_rule(rule);
projects / cascardo / ovs.git / blobdiff