/* OFOPERATION_MODIFY: The old actions, if the actions are changing. */
struct ofpact *ofpacts;
size_t ofpacts_len;
+ uint32_t meter_id;
/* OFOPERATION_DELETE. */
enum ofp_flow_removed_reason reason; /* Reason flow was removed. */
static enum ofperr add_flow(struct ofproto *, struct ofconn *,
const struct ofputil_flow_mod *,
const struct ofp_header *);
-static void delete_flow__(struct rule *, struct ofopgroup *);
+static void delete_flow__(struct rule *, struct ofopgroup *,
+ enum ofp_flow_removed_reason);
static bool handle_openflow(struct ofconn *, const struct ofpbuf *);
static enum ofperr handle_flow_mod__(struct ofproto *, struct ofconn *,
const struct ofputil_flow_mod *,
static size_t allocated_ofproto_classes;
unsigned flow_eviction_threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
+enum ofproto_flow_miss_model flow_miss_model = OFPROTO_HANDLE_MISS_AUTO;
/* Map from datapath name to struct ofproto, for use by unixctl commands. */
static struct hmap all_ofprotos = HMAP_INITIALIZER(&all_ofprotos);
/* The "max_ports" member should have been set by ->construct(ofproto).
* Port 0 is not a valid OpenFlow port, so mark that as unavailable. */
- ofproto->ofp_port_ids = bitmap_allocate(ofproto->max_ports);
+ ofproto->ofp_port_ids = bitmap_allocate(ofp_to_u16(ofproto->max_ports));
bitmap_set1(ofproto->ofp_port_ids, 0);
/* Check that hidden tables, if any, are at the end. */
ofproto->datapath_id = pick_datapath_id(ofproto);
init_ports(ofproto);
+ /* Initialize meters table. */
+ if (ofproto->ofproto_class->meter_get_features) {
+ ofproto->ofproto_class->meter_get_features(ofproto,
+ &ofproto->meter_features);
+ } else {
+ memset(&ofproto->meter_features, 0, sizeof ofproto->meter_features);
+ }
+ ofproto->meters = xzalloc((ofproto->meter_features.max_meters + 1)
+ * sizeof(struct meter *));
+
*ofprotop = ofproto;
return 0;
}
* Reserved ports numbered OFPP_MAX and higher are special and not subject to
* the 'max_ports' restriction. */
void
-ofproto_init_max_ports(struct ofproto *ofproto, uint16_t max_ports)
+ofproto_init_max_ports(struct ofproto *ofproto, ofp_port_t max_ports)
{
- ovs_assert(max_ports <= OFPP_MAX);
+ ovs_assert(ofp_to_u16(max_ports) <= ofp_to_u16(OFPP_MAX));
ofproto->max_ports = max_ports;
}
threshold);
}
+/* Sets the path for handling flow misses. */
+void
+ofproto_set_flow_miss_model(unsigned model)
+{
+ flow_miss_model = model;
+}
+
/* If forward_bpdu is true, the NORMAL action will forward frames with
* reserved (e.g. STP) destination Ethernet addresses. if forward_bpdu is false,
* the NORMAL action will drop these frames. */
*
* Returns 0 if successful, otherwise a positive errno value.*/
int
-ofproto_port_set_stp(struct ofproto *ofproto, uint16_t ofp_port,
+ofproto_port_set_stp(struct ofproto *ofproto, ofp_port_t ofp_port,
const struct ofproto_port_stp_settings *s)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
*
* Returns 0 if successful, otherwise a positive errno value.*/
int
-ofproto_port_get_stp_status(struct ofproto *ofproto, uint16_t ofp_port,
+ofproto_port_get_stp_status(struct ofproto *ofproto, ofp_port_t ofp_port,
struct ofproto_port_stp_status *s)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
*
* Returns 0 if successful, otherwise a positive errno value. */
int
-ofproto_port_set_queues(struct ofproto *ofproto, uint16_t ofp_port,
+ofproto_port_set_queues(struct ofproto *ofproto, ofp_port_t ofp_port,
const struct ofproto_port_queue *queues,
size_t n_queues)
{
/* Clears the CFM configuration from 'ofp_port' on 'ofproto'. */
void
-ofproto_port_clear_cfm(struct ofproto *ofproto, uint16_t ofp_port)
+ofproto_port_clear_cfm(struct ofproto *ofproto, ofp_port_t ofp_port)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
if (ofport && ofproto->ofproto_class->set_cfm) {
*
* This function has no effect if 'ofproto' does not have a port 'ofp_port'. */
void
-ofproto_port_set_cfm(struct ofproto *ofproto, uint16_t ofp_port,
+ofproto_port_set_cfm(struct ofproto *ofproto, ofp_port_t ofp_port,
const struct cfm_settings *s)
{
struct ofport *ofport;
/* 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,
+ofproto_port_set_bfd(struct ofproto *ofproto, ofp_port_t ofp_port,
const struct smap *cfg)
{
struct ofport *ofport;
* 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,
+ofproto_port_get_bfd_status(struct ofproto *ofproto, ofp_port_t ofp_port,
struct smap *status)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
* 0 if LACP partner information is not current (generally indicating a
* connectivity problem), or -1 if LACP is not enabled on 'ofp_port'. */
int
-ofproto_port_is_lacp_current(struct ofproto *ofproto, uint16_t ofp_port)
+ofproto_port_is_lacp_current(struct ofproto *ofproto, ofp_port_t ofp_port)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
return (ofport && ofproto->ofproto_class->port_is_lacp_current
* 'ofp_portp' is non-null). */
int
ofproto_port_add(struct ofproto *ofproto, struct netdev *netdev,
- uint16_t *ofp_portp)
+ ofp_port_t *ofp_portp)
{
- uint16_t ofp_port = ofp_portp ? *ofp_portp : OFPP_NONE;
+ ofp_port_t ofp_port = ofp_portp ? *ofp_portp : OFPP_NONE;
int error;
error = ofproto->ofproto_class->port_add(ofproto, netdev);
if (!error) {
const char *netdev_name = netdev_get_name(netdev);
- simap_put(&ofproto->ofp_requests, netdev_name, ofp_port);
+ simap_put(&ofproto->ofp_requests, netdev_name,
+ ofp_to_u16(ofp_port));
update_port(ofproto, netdev_name);
}
if (ofp_portp) {
/* Deletes port number 'ofp_port' from the datapath for 'ofproto'.
* Returns 0 if successful, otherwise a positive errno. */
int
-ofproto_port_del(struct ofproto *ofproto, uint16_t ofp_port)
+ofproto_port_del(struct ofproto *ofproto, ofp_port_t ofp_port)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
const char *name = ofport ? netdev_get_name(ofport->netdev) : "<unknown>";
sset_destroy(&devnames);
}
-static uint16_t
+static ofp_port_t
alloc_ofp_port(struct ofproto *ofproto, const char *netdev_name)
{
- uint16_t ofp_port;
- uint16_t end_port_no = ofproto->alloc_port_no;
+ uint16_t max_ports = ofp_to_u16(ofproto->max_ports);
+ uint16_t port_idx;
+
+ port_idx = simap_get(&ofproto->ofp_requests, netdev_name);
+ if (!port_idx) {
+ port_idx = UINT16_MAX;
+ }
- ofp_port = simap_get(&ofproto->ofp_requests, netdev_name);
- ofp_port = ofp_port ? ofp_port : OFPP_NONE;
+ if (port_idx >= max_ports
+ || bitmap_is_set(ofproto->ofp_port_ids, port_idx)) {
+ uint16_t end_port_no = ofp_to_u16(ofproto->alloc_port_no);
+ uint16_t alloc_port_no = end_port_no;
- if (ofp_port >= ofproto->max_ports
- || bitmap_is_set(ofproto->ofp_port_ids, ofp_port)) {
/* Search for a free OpenFlow port number. We try not to
* immediately reuse them to prevent problems due to old
* flows. */
for (;;) {
- if (++ofproto->alloc_port_no >= ofproto->max_ports) {
- ofproto->alloc_port_no = 0;
+ if (++alloc_port_no >= max_ports) {
+ alloc_port_no = 0;
}
- if (!bitmap_is_set(ofproto->ofp_port_ids,
- ofproto->alloc_port_no)) {
- ofp_port = ofproto->alloc_port_no;
+ if (!bitmap_is_set(ofproto->ofp_port_ids, alloc_port_no)) {
+ port_idx = alloc_port_no;
+ ofproto->alloc_port_no = u16_to_ofp(alloc_port_no);
break;
}
- if (ofproto->alloc_port_no == end_port_no) {
+ if (alloc_port_no == end_port_no) {
return OFPP_NONE;
}
}
}
- bitmap_set1(ofproto->ofp_port_ids, ofp_port);
- return ofp_port;
+ bitmap_set1(ofproto->ofp_port_ids, port_idx);
+ return u16_to_ofp(port_idx);
}
static void
-dealloc_ofp_port(const struct ofproto *ofproto, uint16_t ofp_port)
+dealloc_ofp_port(const struct ofproto *ofproto, ofp_port_t ofp_port)
{
- if (ofp_port < ofproto->max_ports) {
- bitmap_set0(ofproto->ofp_port_ids, ofp_port);
+ if (ofp_to_u16(ofp_port) < ofp_to_u16(ofproto->max_ports)) {
+ bitmap_set0(ofproto->ofp_port_ids, ofp_to_u16(ofp_port));
}
}
ofport->created = time_msec();
/* Add port to 'p'. */
- hmap_insert(&p->ports, &ofport->hmap_node, hash_int(ofport->ofp_port, 0));
+ hmap_insert(&p->ports, &ofport->hmap_node,
+ hash_ofp_port(ofport->ofp_port));
shash_add(&p->port_by_name, netdev_name, ofport);
update_mtu(p, ofport);
}
void
-ofproto_port_unregister(struct ofproto *ofproto, uint16_t ofp_port)
+ofproto_port_unregister(struct ofproto *ofproto, ofp_port_t ofp_port)
{
struct ofport *port = ofproto_get_port(ofproto, ofp_port);
if (port) {
}
struct ofport *
-ofproto_get_port(const struct ofproto *ofproto, uint16_t ofp_port)
+ofproto_get_port(const struct ofproto *ofproto, ofp_port_t ofp_port)
{
struct ofport *port;
- HMAP_FOR_EACH_IN_BUCKET (port, hmap_node,
- hash_int(ofp_port, 0), &ofproto->ports) {
+ HMAP_FOR_EACH_IN_BUCKET (port, hmap_node, hash_ofp_port(ofp_port),
+ &ofproto->ports) {
if (port->ofp_port == ofp_port) {
return port;
}
netdev = (!ofproto_port_query_by_name(ofproto, name, &ofproto_port)
? ofport_open(ofproto, &ofproto_port, &pp)
: NULL);
+
if (netdev) {
port = ofproto_get_port(ofproto, ofproto_port.ofp_port);
if (port && !strcmp(netdev_get_name(port->netdev), name)) {
node = shash_find(&init_ofp_ports, name);
if (node) {
const struct iface_hint *iface_hint = node->data;
- simap_put(&p->ofp_requests, name, iface_hint->ofp_port);
+ simap_put(&p->ofp_requests, name,
+ ofp_to_u16(iface_hint->ofp_port));
}
netdev = ofport_open(p, &ofproto_port, &pp);
/* Returns true if 'rule' has an OpenFlow OFPAT_OUTPUT or OFPAT_ENQUEUE action
* that outputs to 'port' (output to OFPP_FLOOD and OFPP_ALL doesn't count). */
bool
-ofproto_rule_has_out_port(const struct rule *rule, uint16_t port)
+ofproto_rule_has_out_port(const struct rule *rule, ofp_port_t port)
{
return (port == OFPP_ANY
|| ofpacts_output_to_port(rule->ofpacts, rule->ofpacts_len, port));
/* Returns true if a rule related to 'op' has an OpenFlow OFPAT_OUTPUT or
* OFPAT_ENQUEUE action that outputs to 'out_port'. */
bool
-ofoperation_has_out_port(const struct ofoperation *op, uint16_t out_port)
+ofoperation_has_out_port(const struct ofoperation *op, ofp_port_t out_port)
{
if (ofproto_rule_has_out_port(op->rule, out_port)) {
return true;
*
* Takes ownership of 'packet'. */
static int
-rule_execute(struct rule *rule, uint16_t in_port, struct ofpbuf *packet)
+rule_execute(struct rule *rule, ofp_port_t in_port, struct ofpbuf *packet)
{
struct flow flow;
+ union flow_in_port in_port_;
ovs_assert(ofpbuf_headroom(packet) >= sizeof(struct ofp10_packet_in));
- flow_extract(packet, 0, 0, NULL, in_port, &flow);
+ in_port_.ofp_port = in_port;
+ flow_extract(packet, 0, 0, NULL, &in_port_, &flow);
return rule->ofproto->ofproto_class->rule_execute(rule, &flow, packet);
}
}
}
+/* Finds the OFPACT_METER action, if any, in the 'ofpacts_len' bytes of
+ * 'ofpacts'. If found, returns its meter ID; if not, returns 0.
+ *
+ * This function relies on the order of 'ofpacts' being correct (as checked by
+ * ofpacts_verify()). */
+static uint32_t
+find_meter(const struct ofpact ofpacts[], size_t ofpacts_len)
+{
+ const struct ofpact *a;
+
+ OFPACT_FOR_EACH (a, ofpacts, ofpacts_len) {
+ enum ovs_instruction_type inst;
+
+ inst = ovs_instruction_type_from_ofpact_type(a->type);
+ if (a->type == OFPACT_METER) {
+ return ofpact_get_METER(a)->meter_id;
+ } else if (inst > OVSINST_OFPIT13_METER) {
+ break;
+ }
+ }
+
+ return 0;
+}
+
+/* Checks that the 'ofpacts_len' bytes of actions in 'ofpacts' are
+ * appropriate for a packet with the prerequisites satisfied by 'flow'.
+ * 'flow' may be temporarily modified, but is restored at return.
+ */
+static enum ofperr
+ofproto_check_ofpacts(struct ofproto *ofproto,
+ const struct ofpact ofpacts[], size_t ofpacts_len,
+ struct flow *flow)
+{
+ enum ofperr error;
+ uint32_t mid;
+
+ error = ofpacts_check(ofpacts, ofpacts_len, flow, ofproto->max_ports);
+ if (error) {
+ return error;
+ }
+
+ mid = find_meter(ofpacts, ofpacts_len);
+ if (mid && ofproto_get_provider_meter_id(ofproto, mid) == UINT32_MAX) {
+ return OFPERR_OFPMMFC_INVALID_METER;
+ }
+ return 0;
+}
+
static enum ofperr
handle_packet_out(struct ofconn *ofconn, const struct ofp_header *oh)
{
uint64_t ofpacts_stub[1024 / 8];
struct ofpbuf ofpacts;
struct flow flow;
+ union flow_in_port in_port_;
enum ofperr error;
COVERAGE_INC(ofproto_packet_out);
if (error) {
goto exit_free_ofpacts;
}
- if (po.in_port >= p->max_ports && po.in_port < OFPP_MAX) {
+ if (ofp_to_u16(po.in_port) >= ofp_to_u16(p->max_ports)
+ && ofp_to_u16(po.in_port) < ofp_to_u16(OFPP_MAX)) {
error = OFPERR_OFPBRC_BAD_PORT;
goto exit_free_ofpacts;
}
}
/* Verify actions against packet, then send packet if successful. */
- flow_extract(payload, 0, 0, NULL, po.in_port, &flow);
- error = ofpacts_check(po.ofpacts, po.ofpacts_len, &flow, p->max_ports);
+ in_port_.ofp_port = po.in_port;
+ flow_extract(payload, 0, 0, NULL, &in_port_, &flow);
+ error = ofproto_check_ofpacts(p, po.ofpacts, po.ofpacts_len, &flow);
if (!error) {
error = p->ofproto_class->packet_out(p, payload, &flow,
po.ofpacts, po.ofpacts_len);
struct ofproto *p = ofconn_get_ofproto(ofconn);
struct ofport *port;
struct list replies;
- uint16_t port_no;
+ ofp_port_t port_no;
enum ofperr error;
error = ofputil_decode_port_stats_request(request, &port_no);
collect_rules_loose(struct ofproto *ofproto, uint8_t table_id,
const struct match *match,
ovs_be64 cookie, ovs_be64 cookie_mask,
- uint16_t out_port, struct list *rules)
+ ofp_port_t out_port, struct list *rules)
{
struct oftable *table;
struct cls_rule cr;
collect_rules_strict(struct ofproto *ofproto, uint8_t table_id,
const struct match *match, unsigned int priority,
ovs_be64 cookie, ovs_be64 cookie_mask,
- uint16_t out_port, struct list *rules)
+ ofp_port_t out_port, struct list *rules)
{
struct oftable *table;
struct cls_rule cr;
* 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,
+ofproto_port_get_cfm_status(const struct ofproto *ofproto, ofp_port_t ofp_port,
struct ofproto_cfm_status *status)
{
struct ofport *ofport = ofproto_get_port(ofproto, ofp_port);
and OFPFF13_NO_BYT_COUNTS */
rule->ofpacts = xmemdup(fm->ofpacts, fm->ofpacts_len);
rule->ofpacts_len = fm->ofpacts_len;
+ rule->meter_id = find_meter(rule->ofpacts, rule->ofpacts_len);
+ list_init(&rule->meter_list_node);
rule->evictable = true;
rule->eviction_group = NULL;
list_init(&rule->expirable);
op->group->n_running--;
ofoperation_destroy(rule->pending);
} else if (evict) {
- delete_flow__(evict, group);
+ delete_flow__(evict, group, OFPRR_EVICTION);
}
ofopgroup_submit(group);
}
static enum ofperr
modify_flows__(struct ofproto *ofproto, struct ofconn *ofconn,
const struct ofputil_flow_mod *fm,
- const struct ofp_header *request, struct list *rules)
+ const struct ofp_header *request,
+ struct list *rules)
{
struct ofopgroup *group;
struct rule *rule;
if (actions_changed) {
op->ofpacts = rule->ofpacts;
op->ofpacts_len = rule->ofpacts_len;
+ op->meter_id = rule->meter_id;
rule->ofpacts = xmemdup(fm->ofpacts, fm->ofpacts_len);
rule->ofpacts_len = fm->ofpacts_len;
+ rule->meter_id = find_meter(rule->ofpacts, rule->ofpacts_len);
rule->ofproto->ofproto_class->rule_modify_actions(rule);
} else {
ofoperation_complete(op, 0);
/* OFPFC_DELETE implementation. */
static void
-delete_flow__(struct rule *rule, struct ofopgroup *group)
+delete_flow__(struct rule *rule, struct ofopgroup *group,
+ enum ofp_flow_removed_reason reason)
{
struct ofproto *ofproto = rule->ofproto;
- ofproto_rule_send_removed(rule, OFPRR_DELETE);
+ ofproto_rule_send_removed(rule, reason);
- ofoperation_create(group, rule, OFOPERATION_DELETE, OFPRR_DELETE);
+ ofoperation_create(group, rule, OFOPERATION_DELETE, reason);
oftable_remove_rule(rule);
ofproto->ofproto_class->rule_destruct(rule);
}
* Returns 0 on success, otherwise an OpenFlow error code. */
static enum ofperr
delete_flows__(struct ofproto *ofproto, struct ofconn *ofconn,
- const struct ofp_header *request, struct list *rules)
+ const struct ofp_header *request, struct list *rules,
+ enum ofp_flow_removed_reason reason)
{
struct rule *rule, *next;
struct ofopgroup *group;
group = ofopgroup_create(ofproto, ofconn, request, UINT32_MAX);
LIST_FOR_EACH_SAFE (rule, next, ofproto_node, rules) {
- delete_flow__(rule, group);
+ delete_flow__(rule, group, reason);
}
ofopgroup_submit(group);
fm->out_port, &rules);
return (error ? error
: !list_is_empty(&rules) ? delete_flows__(ofproto, ofconn, request,
- &rules)
+ &rules, OFPRR_DELETE)
: 0);
}
fm->out_port, &rules);
return (error ? error
: list_is_singleton(&rules) ? delete_flows__(ofproto, ofconn,
- request, &rules)
+ request, &rules,
+ OFPRR_DELETE)
: 0);
}
error = ofputil_decode_flow_mod(&fm, oh, ofconn_get_protocol(ofconn),
&ofpacts);
if (!error) {
- error = ofpacts_check(fm.ofpacts, fm.ofpacts_len,
- &fm.match.flow, ofproto->max_ports);
+ error = ofproto_check_ofpacts(ofproto, fm.ofpacts, fm.ofpacts_len,
+ &fm.match.flow);
}
+
if (!error) {
error = handle_flow_mod__(ofproto, ofconn, &fm, oh);
}
return 0;
}
+/* Meters implementation.
+ *
+ * Meter table entry, indexed by the OpenFlow meter_id.
+ * These are always dynamically allocated to allocate enough space for
+ * the bands.
+ * 'created' is used to compute the duration for meter stats.
+ * 'list rules' is needed so that we can delete the dependent rules when the
+ * meter table entry is deleted.
+ * 'provider_meter_id' is for the provider's private use.
+ */
+struct meter {
+ long long int created; /* Time created. */
+ struct list rules; /* List of "struct rule_dpif"s. */
+ ofproto_meter_id provider_meter_id;
+ uint16_t flags; /* Meter flags. */
+ uint16_t n_bands; /* Number of meter bands. */
+ struct ofputil_meter_band *bands;
+};
+
+/*
+ * This is used in instruction validation at flow set-up time,
+ * as flows may not use non-existing meters.
+ * This is also used by ofproto-providers to translate OpenFlow meter_ids
+ * in METER instructions to the corresponding provider meter IDs.
+ * Return value of UINT32_MAX signifies an invalid meter.
+ */
+uint32_t
+ofproto_get_provider_meter_id(const struct ofproto * ofproto,
+ uint32_t of_meter_id)
+{
+ if (of_meter_id && of_meter_id <= ofproto->meter_features.max_meters) {
+ const struct meter *meter = ofproto->meters[of_meter_id];
+ if (meter) {
+ return meter->provider_meter_id.uint32;
+ }
+ }
+ return UINT32_MAX;
+}
+
+static void
+meter_update(struct meter *meter, const struct ofputil_meter_config *config)
+{
+ free(meter->bands);
+
+ meter->flags = config->flags;
+ meter->n_bands = config->n_bands;
+ meter->bands = xmemdup(config->bands,
+ config->n_bands * sizeof *meter->bands);
+}
+
+static struct meter *
+meter_create(const struct ofputil_meter_config *config,
+ ofproto_meter_id provider_meter_id)
+{
+ struct meter *meter;
+
+ meter = xzalloc(sizeof *meter);
+ meter->provider_meter_id = provider_meter_id;
+ meter->created = time_msec();
+ list_init(&meter->rules);
+
+ meter_update(meter, config);
+
+ return meter;
+}
+
+static enum ofperr
+handle_add_meter(struct ofproto *ofproto, struct ofputil_meter_mod *mm)
+{
+ ofproto_meter_id provider_meter_id = { UINT32_MAX };
+ struct meter **meterp = &ofproto->meters[mm->meter.meter_id];
+ enum ofperr error;
+
+ if (*meterp) {
+ return OFPERR_OFPMMFC_METER_EXISTS;
+ }
+
+ error = ofproto->ofproto_class->meter_set(ofproto, &provider_meter_id,
+ &mm->meter);
+ if (!error) {
+ ovs_assert(provider_meter_id.uint32 != UINT32_MAX);
+ *meterp = meter_create(&mm->meter, provider_meter_id);
+ }
+ return 0;
+}
+
+static enum ofperr
+handle_modify_meter(struct ofproto *ofproto, struct ofputil_meter_mod *mm)
+{
+ struct meter *meter = ofproto->meters[mm->meter.meter_id];
+ enum ofperr error;
+
+ if (!meter) {
+ return OFPERR_OFPMMFC_UNKNOWN_METER;
+ }
+
+ error = ofproto->ofproto_class->meter_set(ofproto,
+ &meter->provider_meter_id,
+ &mm->meter);
+ ovs_assert(meter->provider_meter_id.uint32 != UINT32_MAX);
+ if (!error) {
+ meter_update(meter, &mm->meter);
+ }
+ return error;
+}
+
+static enum ofperr
+handle_delete_meter(struct ofconn *ofconn, const struct ofp_header *oh,
+ struct ofputil_meter_mod *mm)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ uint32_t meter_id = mm->meter.meter_id;
+ uint32_t first, last;
+ struct list rules;
+
+ if (meter_id == OFPM13_ALL) {
+ first = 1;
+ last = ofproto->meter_features.max_meters;
+ } else {
+ if (!meter_id || meter_id > ofproto->meter_features.max_meters) {
+ return 0;
+ }
+ first = last = meter_id;
+ }
+
+ /* First delete the rules that use this meter. If any of those rules are
+ * currently being modified, postpone the whole operation until later. */
+ list_init(&rules);
+ for (meter_id = first; meter_id <= last; ++meter_id) {
+ struct meter *meter = ofproto->meters[meter_id];
+ if (meter && !list_is_empty(&meter->rules)) {
+ struct rule *rule;
+
+ LIST_FOR_EACH (rule, meter_list_node, &meter->rules) {
+ if (rule->pending) {
+ return OFPROTO_POSTPONE;
+ }
+ list_push_back(&rules, &rule->ofproto_node);
+ }
+ }
+ }
+ if (!list_is_empty(&rules)) {
+ delete_flows__(ofproto, ofconn, oh, &rules, OFPRR_METER_DELETE);
+ }
+
+ /* Delete the meters. */
+ for (meter_id = first; meter_id <= last; ++meter_id) {
+ struct meter *meter = ofproto->meters[meter_id];
+ if (meter) {
+ ofproto->meters[meter_id] = NULL;
+ ofproto->ofproto_class->meter_del(ofproto,
+ meter->provider_meter_id);
+ free(meter->bands);
+ free(meter);
+ }
+ }
+
+ return 0;
+}
+
+static enum ofperr
+handle_meter_mod(struct ofconn *ofconn, const struct ofp_header *oh)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct ofputil_meter_mod mm;
+ uint64_t bands_stub[256 / 8];
+ struct ofpbuf bands;
+ uint32_t meter_id;
+ enum ofperr error;
+
+ error = reject_slave_controller(ofconn);
+ if (error) {
+ return error;
+ }
+
+ ofpbuf_use_stub(&bands, bands_stub, sizeof bands_stub);
+
+ error = ofputil_decode_meter_mod(oh, &mm, &bands);
+ if (error) {
+ goto exit_free_bands;
+ }
+
+ meter_id = mm.meter.meter_id;
+
+ if (mm.command != OFPMC13_DELETE) {
+ /* Fails also when meters are not implemented by the provider. */
+ if (!meter_id || meter_id > ofproto->meter_features.max_meters) {
+ error = OFPERR_OFPMMFC_INVALID_METER;
+ goto exit_free_bands;
+ }
+ if (mm.meter.n_bands > ofproto->meter_features.max_bands) {
+ error = OFPERR_OFPMMFC_OUT_OF_BANDS;
+ goto exit_free_bands;
+ }
+ }
+
+ switch (mm.command) {
+ case OFPMC13_ADD:
+ error = handle_add_meter(ofproto, &mm);
+ break;
+
+ case OFPMC13_MODIFY:
+ error = handle_modify_meter(ofproto, &mm);
+ break;
+
+ case OFPMC13_DELETE:
+ error = handle_delete_meter(ofconn, oh, &mm);
+ break;
+
+ default:
+ error = OFPERR_OFPMMFC_BAD_COMMAND;
+ break;
+ }
+
+exit_free_bands:
+ ofpbuf_uninit(&bands);
+ return error;
+}
+
+static enum ofperr
+handle_meter_features_request(struct ofconn *ofconn,
+ const struct ofp_header *request)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct ofputil_meter_features features;
+ struct ofpbuf *b;
+
+ if (ofproto->ofproto_class->meter_get_features) {
+ ofproto->ofproto_class->meter_get_features(ofproto, &features);
+ } else {
+ memset(&features, 0, sizeof features);
+ }
+ b = ofputil_encode_meter_features_reply(&features, request);
+
+ ofconn_send_reply(ofconn, b);
+ return 0;
+}
+
+static enum ofperr
+handle_meter_request(struct ofconn *ofconn, const struct ofp_header *request,
+ enum ofptype type)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct list replies;
+ uint64_t bands_stub[256 / 8];
+ struct ofpbuf bands;
+ uint32_t meter_id, first, last;
+
+ ofputil_decode_meter_request(request, &meter_id);
+
+ if (meter_id == OFPM13_ALL) {
+ first = 1;
+ last = ofproto->meter_features.max_meters;
+ } else {
+ if (!meter_id || meter_id > ofproto->meter_features.max_meters ||
+ !ofproto->meters[meter_id]) {
+ return OFPERR_OFPMMFC_UNKNOWN_METER;
+ }
+ first = last = meter_id;
+ }
+
+ ofpbuf_use_stub(&bands, bands_stub, sizeof bands_stub);
+ ofpmp_init(&replies, request);
+
+ for (meter_id = first; meter_id <= last; ++meter_id) {
+ struct meter *meter = ofproto->meters[meter_id];
+ if (!meter) {
+ continue; /* Skip non-existing meters. */
+ }
+ if (type == OFPTYPE_METER_REQUEST) {
+ struct ofputil_meter_stats stats;
+
+ stats.meter_id = meter_id;
+
+ /* Provider sets the packet and byte counts, we do the rest. */
+ stats.flow_count = list_size(&meter->rules);
+ calc_duration(meter->created, time_msec(),
+ &stats.duration_sec, &stats.duration_nsec);
+ stats.n_bands = meter->n_bands;
+ ofpbuf_clear(&bands);
+ stats.bands
+ = ofpbuf_put_uninit(&bands,
+ meter->n_bands * sizeof *stats.bands);
+
+ if (!ofproto->ofproto_class->meter_get(ofproto,
+ meter->provider_meter_id,
+ &stats)) {
+ ofputil_append_meter_stats(&replies, &stats);
+ }
+ } else { /* type == OFPTYPE_METER_CONFIG_REQUEST */
+ struct ofputil_meter_config config;
+
+ config.meter_id = meter_id;
+ config.flags = meter->flags;
+ config.n_bands = meter->n_bands;
+ config.bands = meter->bands;
+ ofputil_append_meter_config(&replies, &config);
+ }
+ }
+
+ ofconn_send_replies(ofconn, &replies);
+ ofpbuf_uninit(&bands);
+ return 0;
+}
+
static enum ofperr
handle_openflow__(struct ofconn *ofconn, const struct ofpbuf *msg)
{
case OFPTYPE_FLOW_MOD:
return handle_flow_mod(ofconn, oh);
+ case OFPTYPE_METER_MOD:
+ return handle_meter_mod(ofconn, oh);
+
case OFPTYPE_BARRIER_REQUEST:
return handle_barrier_request(ofconn, oh);
case OFPTYPE_FLOW_MONITOR_STATS_REQUEST:
return handle_flow_monitor_request(ofconn, oh);
+ case OFPTYPE_METER_REQUEST:
+ case OFPTYPE_METER_CONFIG_REQUEST:
+ return handle_meter_request(ofconn, oh, type);
+
+ case OFPTYPE_METER_FEATURES_REQUEST:
+ return handle_meter_features_request(ofconn, oh);
+
/* FIXME: Change the following once they are implemented: */
case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
case OFPTYPE_GET_ASYNC_REQUEST:
- case OFPTYPE_METER_MOD:
case OFPTYPE_GROUP_REQUEST:
case OFPTYPE_GROUP_DESC_REQUEST:
case OFPTYPE_GROUP_FEATURES_REQUEST:
- case OFPTYPE_METER_REQUEST:
- case OFPTYPE_METER_CONFIG_REQUEST:
- case OFPTYPE_METER_FEATURES_REQUEST:
case OFPTYPE_TABLE_FEATURES_REQUEST:
return OFPERR_OFPBRC_BAD_TYPE;
LIST_FOR_EACH (op, group_node, &group->ops) {
if (op->type != OFOPERATION_DELETE) {
struct ofpbuf *packet;
- uint16_t in_port;
+ ofp_port_t in_port;
error = ofconn_pktbuf_retrieve(group->ofconn, group->buffer_id,
&packet, &in_port);
struct oftable *table = &ofproto->tables[rule->table_id];
classifier_remove(&table->cls, &rule->cr);
+ if (rule->meter_id) {
+ list_remove(&rule->meter_list_node);
+ }
cookies_remove(ofproto, rule);
eviction_group_remove_rule(rule);
if (!list_is_empty(&rule->expirable)) {
list_remove(&rule->expirable);
}
+ if (!list_is_empty(&rule->meter_list_node)) {
+ list_remove(&rule->meter_list_node);
+ }
}
/* Inserts 'rule' into its oftable. Removes any existing rule from 'rule''s
list_insert(&ofproto->expirable, &rule->expirable);
}
cookies_insert(ofproto, rule);
-
+ if (rule->meter_id) {
+ struct meter *meter = ofproto->meters[rule->meter_id];
+ list_insert(&meter->rules, &rule->meter_list_node);
+ }
victim = rule_from_cls_rule(classifier_replace(&table->cls, &rule->cr));
if (victim) {
+ if (victim->meter_id) {
+ list_remove(&victim->meter_list_node);
+ }
cookies_remove(ofproto, victim);
if (!list_is_empty(&victim->expirable)) {
* device as a VLAN splinter for VLAN ID 'vid'. If 'realdev_ofp_port' is zero,
* then the VLAN device is un-enslaved. */
int
-ofproto_port_set_realdev(struct ofproto *ofproto, uint16_t vlandev_ofp_port,
- uint16_t realdev_ofp_port, int vid)
+ofproto_port_set_realdev(struct ofproto *ofproto, ofp_port_t vlandev_ofp_port,
+ ofp_port_t realdev_ofp_port, int vid)
{
struct ofport *ofport;
int error;
git://git.onelab.eu / sliver-openvswitch.git / blobdiff