/* ofport. */
static void ofport_destroy__(struct ofport *) OVS_EXCLUDED(ofproto_mutex);
-static void ofport_destroy(struct ofport *);
+static void ofport_destroy(struct ofport *, bool del);
-static void update_port(struct ofproto *, const char *devname);
+static int update_port(struct ofproto *, const char *devname);
static int init_ports(struct ofproto *);
static void reinit_ports(struct ofproto *);
unsigned ofproto_max_idle = OFPROTO_MAX_IDLE_DEFAULT;
size_t n_handlers, n_revalidators;
-size_t n_dpdk_rxqs;
char *pmd_cpu_mask;
/* Map from datapath name to struct ofproto, for use by unixctl commands. */
: EOPNOTSUPP);
}
-void
-ofproto_set_n_dpdk_rxqs(int n_rxqs)
-{
- n_dpdk_rxqs = MAX(n_rxqs, 0);
-}
-
void
ofproto_set_cpu_mask(const char *cmask)
{
}
void
-ofproto_destroy(struct ofproto *p)
+ofproto_destroy(struct ofproto *p, bool del)
OVS_EXCLUDED(ofproto_mutex)
{
struct ofport *ofport, *next_ofport;
ofproto_flush__(p);
HMAP_FOR_EACH_SAFE (ofport, next_ofport, hmap_node, &p->ports) {
- ofport_destroy(ofport);
+ ofport_destroy(ofport, del);
}
HMAP_FOR_EACH_SAFE (usage, next_usage, hmap_node, &p->ofport_usage) {
simap_put(&ofproto->ofp_requests, netdev_name,
ofp_to_u16(ofp_port));
- update_port(ofproto, netdev_name);
+ error = update_port(ofproto, netdev_name);
}
if (ofp_portp) {
*ofp_portp = OFPP_NONE;
/* Adds an ofport to 'p' initialized based on the given 'netdev' and 'opp'.
* The caller must ensure that 'p' does not have a conflicting ofport (that is,
* one with the same name or port number). */
-static void
+static int
ofport_install(struct ofproto *p,
struct netdev *netdev, const struct ofputil_phy_port *pp)
{
goto error;
}
connmgr_send_port_status(p->connmgr, NULL, pp, OFPPR_ADD);
- return;
+ return 0;
error:
VLOG_WARN_RL(&rl, "%s: could not add port %s (%s)",
} else {
netdev_close(netdev);
}
+ return error;
}
/* Removes 'ofport' from 'p' and destroys it. */
{
connmgr_send_port_status(ofport->ofproto->connmgr, NULL, &ofport->pp,
OFPPR_DELETE);
- ofport_destroy(ofport);
+ ofport_destroy(ofport, true);
}
/* If 'ofproto' contains an ofport named 'name', removes it from 'ofproto' and
}
static void
-ofport_destroy(struct ofport *port)
+ofport_destroy(struct ofport *port, bool del)
{
if (port) {
dealloc_ofp_port(port->ofproto, port->ofp_port);
- port->ofproto->ofproto_class->port_destruct(port);
+ port->ofproto->ofproto_class->port_destruct(port, del);
ofport_destroy__(port);
}
}
return error;
}
-static void
+static int
update_port(struct ofproto *ofproto, const char *name)
{
struct ofproto_port ofproto_port;
struct ofputil_phy_port pp;
struct netdev *netdev;
struct ofport *port;
+ int error = 0;
COVERAGE_INC(ofproto_update_port);
ofport_remove(port);
}
ofport_remove_with_name(ofproto, name);
- ofport_install(ofproto, netdev, &pp);
+ error = ofport_install(ofproto, netdev, &pp);
}
} else {
/* Any port named 'name' is gone now. */
ofport_remove_with_name(ofproto, name);
}
ofproto_port_destroy(&ofproto_port);
+
+ return error;
}
static int
return error;
}
+static enum ofperr
+handle_nxt_resume(struct ofconn *ofconn, const struct ofp_header *oh)
+{
+ struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
+ struct ofputil_packet_in_private pin;
+ enum ofperr error;
+
+ error = ofputil_decode_packet_in_private(oh, false, &pin, NULL, NULL);
+ if (error) {
+ return error;
+ }
+
+ error = (ofproto->ofproto_class->nxt_resume
+ ? ofproto->ofproto_class->nxt_resume(ofproto, &pin)
+ : OFPERR_NXR_NOT_SUPPORTED);
+
+ ofputil_packet_in_private_destroy(&pin);
+
+ return error;
+}
+
static void
update_port_config(struct ofconn *ofconn, struct ofport *port,
enum ofputil_port_config config,
const struct ofp_header *request)
{
struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
- struct ofputil_table_features *features;
- struct ovs_list replies;
- struct ofpbuf msg;
- size_t i;
-
- ofpbuf_use_const(&msg, request, ntohs(request->length));
+ struct ofpbuf msg = ofpbuf_const_initializer(request,
+ ntohs(request->length));
ofpraw_pull_assert(&msg);
if (msg.size || ofpmp_more(request)) {
return OFPERR_OFPTFFC_EPERM;
}
+ struct ofputil_table_features *features;
query_tables(ofproto, &features, NULL);
+ struct ovs_list replies;
ofpmp_init(&replies, request);
- for (i = 0; i < ofproto->n_tables; i++) {
+ for (size_t i = 0; i < ofproto->n_tables; i++) {
if (!(ofproto->tables[i].flags & OFTABLE_HIDDEN)) {
ofputil_append_table_features_reply(&features[i], &replies);
}
return 0;
}
+/* Returns the vacancy of 'oftable', a number that ranges from 0 (if the table
+ * is full) to 100 (if the table is empty).
+ *
+ * A table without a limit on flows is considered to be empty. */
+static uint8_t
+oftable_vacancy(const struct oftable *t)
+{
+ return (!t->max_flows ? 100
+ : t->n_flows >= t->max_flows ? 0
+ : (t->max_flows - t->n_flows) * 100.0 / t->max_flows);
+}
+
static void
query_table_desc__(struct ofputil_table_desc *td,
struct ofproto *ofproto, uint8_t table_id)
{
- unsigned int count = ofproto->tables[table_id].n_flows;
- unsigned int max_flows = ofproto->tables[table_id].max_flows;
+ const struct oftable *t = &ofproto->tables[table_id];
td->table_id = table_id;
- td->eviction = (ofproto->tables[table_id].eviction & EVICTION_OPENFLOW
+ td->eviction = (t->eviction & EVICTION_OPENFLOW
? OFPUTIL_TABLE_EVICTION_ON
: OFPUTIL_TABLE_EVICTION_OFF);
td->eviction_flags = OFPROTO_EVICTION_FLAGS;
- td->vacancy = (ofproto->tables[table_id].vacancy_enabled
+ td->vacancy = (t->vacancy_event
? OFPUTIL_TABLE_VACANCY_ON
: OFPUTIL_TABLE_VACANCY_OFF);
- td->table_vacancy.vacancy_down = ofproto->tables[table_id].vacancy_down;
- td->table_vacancy.vacancy_up = ofproto->tables[table_id].vacancy_up;
- td->table_vacancy.vacancy = max_flows ? (count * 100) / max_flows : 0;
+ td->table_vacancy.vacancy_down = t->vacancy_down;
+ td->table_vacancy.vacancy_up = t->vacancy_up;
+ td->table_vacancy.vacancy = oftable_vacancy(t);
}
/* This function queries the database for dumping table-desc. */
return 0;
}
+/* This function determines and sends the vacancy event, based on the value
+ * of current vacancy and threshold vacancy. If the current vacancy is less
+ * than or equal to vacancy_down, vacancy up events must be enabled, and when
+ * the current vacancy is greater or equal to vacancy_up, vacancy down events
+ * must be enabled. */
+static void
+send_table_status(struct ofproto *ofproto, uint8_t table_id)
+{
+ struct oftable *t = &ofproto->tables[table_id];
+ if (!t->vacancy_event) {
+ return;
+ }
+
+ uint8_t vacancy = oftable_vacancy(t);
+ enum ofp14_table_reason event;
+ if (vacancy < t->vacancy_down) {
+ event = OFPTR_VACANCY_DOWN;
+ } else if (vacancy > t->vacancy_up) {
+ event = OFPTR_VACANCY_UP;
+ } else {
+ return;
+ }
+
+ if (event == t->vacancy_event) {
+ struct ofputil_table_desc td;
+ query_table_desc__(&td, ofproto, table_id);
+ connmgr_send_table_status(ofproto->connmgr, &td, event);
+
+ t->vacancy_event = (event == OFPTR_VACANCY_DOWN
+ ? OFPTR_VACANCY_UP
+ : OFPTR_VACANCY_DOWN);
+ }
+}
+
static void
append_port_stat(struct ofport *port, struct ovs_list *replies)
{
ofmonitor_report(ofproto->connmgr, new_rule, NXFME_ADDED, 0,
req ? req->ofconn : NULL,
req ? req->request->xid : 0, NULL);
+
+ /* Send Vacancy Events for OF1.4+. */
+ send_table_status(ofproto, new_rule->table_id);
}
send_buffered_packet(req, fm->buffer_id, new_rule);
ofmonitor_report(ofproto->connmgr, rule, NXFME_DELETED, reason,
req ? req->ofconn : NULL,
req ? req->request->xid : 0, NULL);
+
+ /* Send Vacancy Event for OF1.4+. */
+ send_table_status(ofproto, rule->table_id);
+
ofproto_rule_remove__(ofproto, rule);
learned_cookies_dec(ofproto, rule_get_actions(rule),
&dead_cookies);
uint32_t format;
format = ntohl(msg->format);
- if (format != NXPIF_OPENFLOW10 && format != NXPIF_NXM) {
+ if (!ofputil_packet_in_format_is_valid(format)) {
return OFPERR_OFPBRC_EPERM;
}
OVS_EXCLUDED(ofproto_mutex)
{
struct ofproto *ofproto = ofconn_get_ofproto(ofconn);
- struct ofmonitor **monitors;
- size_t n_monitors, allocated_monitors;
- struct rule_collection rules;
- struct ovs_list replies;
- enum ofperr error;
- struct ofpbuf b;
- size_t i;
- ofpbuf_use_const(&b, oh, ntohs(oh->length));
- monitors = NULL;
- n_monitors = allocated_monitors = 0;
+ struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length));
+
+ struct ofmonitor **monitors = NULL;
+ size_t allocated_monitors = 0;
+ size_t n_monitors = 0;
+
+ enum ofperr error;
ovs_mutex_lock(&ofproto_mutex);
for (;;) {
monitors[n_monitors++] = m;
}
+ struct rule_collection rules;
rule_collection_init(&rules);
- for (i = 0; i < n_monitors; i++) {
+ for (size_t i = 0; i < n_monitors; i++) {
ofproto_collect_ofmonitor_initial_rules(monitors[i], &rules);
}
+ struct ovs_list replies;
ofpmp_init(&replies, oh);
ofmonitor_compose_refresh_updates(&rules, &replies);
ovs_mutex_unlock(&ofproto_mutex);
return 0;
error:
- for (i = 0; i < n_monitors; i++) {
+ for (size_t i = 0; i < n_monitors; i++) {
ofmonitor_destroy(monitors[i]);
}
free(monitors);
if (tm->vacancy != OFPUTIL_TABLE_VACANCY_DEFAULT) {
ovs_mutex_lock(&ofproto_mutex);
- oftable->vacancy_enabled = (tm->vacancy == OFPUTIL_TABLE_VACANCY_ON
- ? OFPTC14_VACANCY_EVENTS
- : 0);
oftable->vacancy_down = tm->table_vacancy.vacancy_down;
oftable->vacancy_up = tm->table_vacancy.vacancy_up;
+ if (tm->vacancy == OFPUTIL_TABLE_VACANCY_OFF) {
+ oftable->vacancy_event = 0;
+ } else if (!oftable->vacancy_event) {
+ uint8_t vacancy = oftable_vacancy(oftable);
+ oftable->vacancy_event = (vacancy < oftable->vacancy_up
+ ? OFPTR_VACANCY_UP
+ : OFPTR_VACANCY_DOWN);
+ }
ovs_mutex_unlock(&ofproto_mutex);
}
}
case OFPTYPE_GET_ASYNC_REQUEST:
return handle_nxt_get_async_request(ofconn, oh);
+ case OFPTYPE_NXT_RESUME:
+ return handle_nxt_resume(ofconn, oh);
+
/* Statistics requests. */
case OFPTYPE_DESC_STATS_REQUEST:
return handle_desc_stats_request(ofconn, oh);
case OFPTYPE_TABLE_DESC_REPLY:
case OFPTYPE_ROLE_STATUS:
case OFPTYPE_REQUESTFORWARD:
+ case OFPTYPE_TABLE_STATUS:
case OFPTYPE_NXT_TLV_TABLE_REPLY:
default:
if (ofpmsg_is_stat_request(oh)) {
projects / cascardo / ovs.git / blobdiff