#include "ofproto-dpif-sflow.h"
#include "ofproto-dpif-upcall.h"
#include "ofproto-dpif-xlate.h"
-#include "ovs-router.h"
#include "poll-loop.h"
+#include "ovs-router.h"
#include "seq.h"
#include "simap.h"
#include "smap.h"
static void bundle_del_port(struct ofport_dpif *);
static void bundle_run(struct ofbundle *);
static void bundle_wait(struct ofbundle *);
+static void bundle_flush_macs(struct ofbundle *, bool);
+static void bundle_move(struct ofbundle *, struct ofbundle *);
static void stp_run(struct ofproto_dpif *ofproto);
static void stp_wait(struct ofproto_dpif *ofproto);
/* Maximum number of MPLS label stack entries that the datapath supports
* in a match */
size_t max_mpls_depth;
+
+ /* Version string of the datapath stored in OVSDB. */
+ char *dp_version_string;
+
+ /* True if the datapath supports tnl_push and pop actions. */
+ bool enable_tnl_push_pop;
+ struct atomic_count tnl_count;
};
/* All existing ofproto_backer instances, indexed by ofproto->up.type. */
/* All existing ofproto_dpif instances, indexed by ->up.name. */
static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
-static void ofproto_dpif_unixctl_init(void);
+static bool ofproto_use_tnl_push_pop = true;
+static void ofproto_unixctl_init(void);
static inline struct ofproto_dpif *
ofproto_dpif_cast(const struct ofproto *ofproto)
return 0;
}
- dpif_run(backer->dpif);
+
+ if (dpif_run(backer->dpif)) {
+ backer->need_revalidate = REV_RECONFIGURE;
+ }
+
udpif_run(backer->udpif);
/* If vswitchd started with other_config:flow_restore_wait set as "true",
iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
if (tnl_port_reconfigure(iter, iter->up.netdev,
- iter->odp_port)) {
+ iter->odp_port,
+ ovs_native_tunneling_is_on(ofproto), dp_port)) {
backer->need_revalidate = REV_RECONFIGURE;
}
}
xlate_txn_start();
xlate_ofproto_set(ofproto, ofproto->up.name,
- ofproto->backer->dpif, ofproto->miss_rule,
- ofproto->no_packet_in_rule, ofproto->ml,
+ ofproto->backer->dpif, ofproto->ml,
ofproto->stp, ofproto->rstp, ofproto->ms,
ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
- ofproto->netflow, ofproto->up.frag_handling,
+ ofproto->netflow,
ofproto->up.forward_bpdu,
connmgr_has_in_band(ofproto->up.connmgr),
ofproto->backer->enable_recirc,
shash_find_and_delete(&all_dpif_backers, backer->type);
recirc_id_pool_destroy(backer->rid_pool);
free(backer->type);
+ free(backer->dp_version_string);
dpif_close(backer->dpif);
free(backer);
}
backer->masked_set_action = check_masked_set_action(backer);
backer->rid_pool = recirc_id_pool_create();
+ backer->enable_tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
+ atomic_count_init(&backer->tnl_count, 0);
+
error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
if (error) {
VLOG_ERR("failed to listen on datapath of type %s: %s",
* as the kernel module checks that the 'pid' in userspace action
* is non-zero. */
backer->variable_length_userdata = check_variable_length_userdata(backer);
+ backer->dp_version_string = dpif_get_dp_version(backer->dpif);
return error;
}
+bool
+ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
+{
+ return ofproto_use_tnl_push_pop && ofproto->backer->enable_tnl_push_pop &&
+ atomic_count_get(&ofproto->backer->tnl_count);
+}
+
/* Tests whether 'backer''s datapath supports recirculation. Only newer
* datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
* features on older datapaths that don't support this feature.
ofproto->mbridge = mbridge_create();
ofproto->has_bonded_bundles = false;
ofproto->lacp_enabled = false;
+ ofproto_tunnel_init();
ovs_mutex_init_adaptive(&ofproto->stats_mutex);
ovs_mutex_init(&ofproto->vsp_mutex);
guarded_list_init(&ofproto->pins);
- ofproto_dpif_unixctl_init();
- ovs_router_unixctl_register();
+ ofproto_unixctl_init();
hmap_init(&ofproto->vlandev_map);
hmap_init(&ofproto->realdev_vid_map);
hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
- CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) {
+ CLS_FOR_EACH (rule, up.cr, &table->cls) {
ofproto_rule_delete(&ofproto->up, &rule->up);
}
}
}
}
}
-
return 0;
}
port->odp_port = dpif_port.port_no;
if (netdev_get_tunnel_config(netdev)) {
- tnl_port_add(port, port->up.netdev, port->odp_port);
+ atomic_count_inc(&ofproto->backer->tnl_count);
+ tnl_port_add(port, port->up.netdev, port->odp_port,
+ ovs_native_tunneling_is_on(ofproto), namebuf);
port->is_tunnel = true;
if (ofproto->ipfix) {
dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
}
+ if (port->is_tunnel) {
+ atomic_count_dec(&ofproto->backer->tnl_count);
+ }
+
if (port->is_tunnel && ofproto->ipfix) {
dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
}
port_modified(struct ofport *port_)
{
struct ofport_dpif *port = ofport_dpif_cast(port_);
+ char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
+ struct netdev *netdev = port->up.netdev;
if (port->bundle && port->bundle->bond) {
- bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev);
+ bond_slave_set_netdev(port->bundle->bond, port, netdev);
}
if (port->cfm) {
- cfm_set_netdev(port->cfm, port->up.netdev);
+ cfm_set_netdev(port->cfm, netdev);
}
if (port->bfd) {
- bfd_set_netdev(port->bfd, port->up.netdev);
+ bfd_set_netdev(port->bfd, netdev);
}
ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
port->up.pp.hw_addr);
- if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev,
- port->odp_port)) {
- ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate =
- REV_RECONFIGURE;
+ netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
+
+ if (port->is_tunnel) {
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
+
+ if (tnl_port_reconfigure(port, netdev, port->odp_port,
+ ovs_native_tunneling_is_on(ofproto), namebuf)) {
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
+ }
}
ofport_update_peer(port);
netdev_get_name(ofport->up.netdev),
rstp_state_name(ofport->rstp_state),
rstp_state_name(state));
+
if (rstp_learn_in_state(ofport->rstp_state)
- != rstp_learn_in_state(state)) {
- /* xxx Learning action flows should also be flushed. */
- ovs_rwlock_wrlock(&ofproto->ml->rwlock);
- mac_learning_flush(ofproto->ml);
- ovs_rwlock_unlock(&ofproto->ml->rwlock);
+ != rstp_learn_in_state(state)) {
+ /* XXX: Learning action flows should also be flushed. */
+ if (ofport->bundle) {
+ if (!rstp_shift_root_learned_address(ofproto->rstp)
+ || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
+ bundle_flush_macs(ofport->bundle, false);
+ }
+ }
}
fwd_change = rstp_forward_in_state(ofport->rstp_state)
!= rstp_forward_in_state(state);
while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
update_rstp_port_state(ofport);
}
+ rp = NULL;
+ ofport = NULL;
/* FIXME: This check should be done on-event (i.e., when setting
* p->fdb_flush) and not periodically.
*/
- if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) {
- ovs_rwlock_wrlock(&ofproto->ml->rwlock);
- /* FIXME: RSTP should be able to flush the entries pertaining to a
- * single port, not the whole table.
- */
- mac_learning_flush(ofproto->ml);
- ovs_rwlock_unlock(&ofproto->ml->rwlock);
+ while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
+ if (!rstp_shift_root_learned_address(ofproto->rstp)
+ || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
+ bundle_flush_macs(ofport->bundle, false);
+ }
+ }
+
+ if (rstp_shift_root_learned_address(ofproto->rstp)) {
+ bundle_move(((struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp))->bundle,
+ ((struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp))->bundle);
+ rstp_reset_root_changed(ofproto->rstp);
}
}
}
}
rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
- s->admin_edge_port, s->auto_edge, s->mcheck, ofport);
+ s->admin_edge_port, s->auto_edge,
+ s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
+ ofport);
update_rstp_port_state(ofport);
/* Synchronize operational status. */
rstp_port_set_mac_operational(rp, ofport->may_enable);
}
s->enabled = true;
- rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, &s->tx_count,
+ rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
+ &s->designated_bridge_id, &s->designated_port_id,
+ &s->designated_path_cost, &s->tx_count,
&s->rx_count, &s->error_count, &s->uptime);
}
ovs_rwlock_unlock(&ml->rwlock);
}
+static void
+bundle_move(struct ofbundle *old, struct ofbundle *new)
+{
+ struct ofproto_dpif *ofproto = old->ofproto;
+ struct mac_learning *ml = ofproto->ml;
+ struct mac_entry *mac, *next_mac;
+
+ ovs_assert(new->ofproto == old->ofproto);
+
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
+ ovs_rwlock_wrlock(&ml->rwlock);
+ LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
+ if (mac->port.p == old) {
+ mac->port.p = new;
+ }
+ }
+ ovs_rwlock_unlock(&ml->rwlock);
+}
+
static struct ofbundle *
bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
{
LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
|| port->is_layer3
- || !stp_forward_in_state(port->stp_state)) {
+ || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
+ || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
bundle->floodable = false;
break;
}
list_push_back(&bundle->ports, &port->bundle_node);
if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
|| port->is_layer3
- || !stp_forward_in_state(port->stp_state)) {
+ || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
+ || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
bundle->floodable = false;
}
}
return error;
}
+static int
+port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
+{
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ if (ofport->bundle && ofport->bundle->lacp) {
+ if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
+ return 0;
+ }
+ }
+ return -1;
+}
+
struct port_dump_state {
uint32_t bucket;
uint32_t offset;
execute.actions = ofpbuf_data(xout.odp_actions);
execute.actions_len = ofpbuf_size(xout.odp_actions);
+
execute.packet = packet;
execute.md = pkt_metadata_from_flow(flow);
execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
}
-/* Returns 'rule''s actions. The caller owns a reference on the returned
- * actions and must eventually release it (with rule_actions_unref()) to avoid
- * a memory leak. */
+/* Returns 'rule''s actions. The returned actions are RCU-protected, and can
+ * be read until the calling thread quiesces. */
const struct rule_actions *
rule_dpif_get_actions(const struct rule_dpif *rule)
{
/* Lookup 'flow' in table 0 of 'ofproto''s classifier.
* If 'wc' is non-null, sets the fields that were relevant as part of
- * the lookup. Returns the table_id where a match or miss occurred.
- *
- * The return value will be zero unless there was a miss and
+ * the lookup. Returns the table id where a match or miss occurred via
+ * 'table_id'. This will be zero unless there was a miss and
* OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
- * where misses occur.
+ * where misses occur, or TBL_INTERNAL if the rule has a non-zero
+ * recirculation ID, and a match was found in the internal table, or if
+ * there was no match and one of the special rules (drop_frags_rule,
+ * miss_rule, or no_packet_in_rule) was returned.
*
- * The rule is returned in '*rule', which is valid at least until the next
- * RCU quiescent period. If the '*rule' needs to stay around longer,
+ * The return value is the found rule, which is valid at least until the next
+ * RCU quiescent period. If the rule needs to stay around longer,
* a non-zero 'take_ref' must be passed in to cause a reference to be taken
* on it before this returns. */
-uint8_t
+struct rule_dpif *
rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow,
- struct flow_wildcards *wc, struct rule_dpif **rule,
- bool take_ref, const struct dpif_flow_stats *stats)
+ struct flow_wildcards *wc, bool take_ref,
+ const struct dpif_flow_stats *stats, uint8_t *table_id)
{
- enum rule_dpif_lookup_verdict verdict;
- enum ofputil_port_config config = 0;
- uint8_t table_id;
+ *table_id = 0;
if (ofproto_dpif_get_enable_recirc(ofproto)) {
/* Always exactly match recirc_id since datapath supports
if (wc) {
wc->masks.recirc_id = UINT32_MAX;
}
-
- /* Start looking up from internal table for post recirculation flows
- * or packets. We can also simply send all, including normal flows
- * or packets to the internal table. They will not match any post
- * recirculation rules except the 'catch all' rule that resubmit
- * them to table 0.
- *
- * As an optimization, we send normal flows and packets to table 0
- * directly, saving one table lookup. */
- table_id = flow->recirc_id ? TBL_INTERNAL : 0;
- } else {
- table_id = 0;
- }
-
- verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true,
- &table_id, rule, take_ref, stats);
-
- switch (verdict) {
- case RULE_DPIF_LOOKUP_VERDICT_MATCH:
- return table_id;
- case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: {
- struct ofport_dpif *port;
-
- port = get_ofp_port(ofproto, flow->in_port.ofp_port);
- if (!port) {
- VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
- flow->in_port.ofp_port);
- }
- config = port ? port->up.pp.config : 0;
- break;
- }
- case RULE_DPIF_LOOKUP_VERDICT_DROP:
- config = OFPUTIL_PC_NO_PACKET_IN;
- break;
- case RULE_DPIF_LOOKUP_VERDICT_DEFAULT:
- if (!connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
- config = OFPUTIL_PC_NO_PACKET_IN;
+ if (flow->recirc_id) {
+ /* Start looking up from internal table for post recirculation
+ * flows or packets. */
+ *table_id = TBL_INTERNAL;
}
- break;
- default:
- OVS_NOT_REACHED();
}
- choose_miss_rule(config, ofproto->miss_rule,
- ofproto->no_packet_in_rule, rule, take_ref);
- return table_id;
+ return rule_dpif_lookup_from_table(ofproto, flow, wc, take_ref, stats,
+ table_id, flow->in_port.ofp_port, true,
+ true);
}
-/* The returned rule is valid at least until the next RCU quiescent period.
- * If the '*rule' needs to stay around longer, a non-zero 'take_ref' must be
- * passed in to cause a reference to be taken on it before this returns. */
+/* The returned rule (if any) is valid at least until the next RCU quiescent
+ * period. If the rule needs to stay around longer, a non-zero 'take_ref'
+ * must be passed in to cause a reference to be taken on it. */
static struct rule_dpif *
rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id,
const struct flow *flow, struct flow_wildcards *wc,
struct classifier *cls = &ofproto->up.tables[table_id].cls;
const struct cls_rule *cls_rule;
struct rule_dpif *rule;
- struct flow ofpc_normal_flow;
-
- if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
- /* We always unwildcard dl_type and nw_frag (for IP), so they
- * need not be unwildcarded here. */
-
- if (flow->nw_frag & FLOW_NW_FRAG_ANY) {
- if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
- /* We must pretend that transport ports are unavailable. */
- ofpc_normal_flow = *flow;
- ofpc_normal_flow.tp_src = htons(0);
- ofpc_normal_flow.tp_dst = htons(0);
- flow = &ofpc_normal_flow;
- } else {
- /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
- * Use the drop_frags_rule (which cannot disappear). */
- cls_rule = &ofproto->drop_frags_rule->up.cr;
- rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
- if (take_ref) {
- rule_dpif_ref(rule);
- }
- return rule;
- }
- }
- }
do {
cls_rule = classifier_lookup(cls, flow, wc);
}
/* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
- * Stores the rule that was found in '*rule', or NULL if none was found.
+ * Returns the rule that was found, which may be one of the special rules
+ * according to packet miss hadling. If 'may_packet_in' is false, returning of
+ * the miss_rule (which issues packet ins for the controller) is avoided.
* Updates 'wc', if nonnull, to reflect the fields that were used during the
* lookup.
*
* If 'honor_table_miss' is false, then only one table lookup occurs, in
* '*table_id'.
*
- * Returns:
- *
- * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found.
- *
- * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either:
- * + 'honor_table_miss' is false
- * + a table miss configuration specified that the packet should be
- * sent to the controller in this case.
- *
- * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss'
- * is true and a table miss configuration specified that the packet
- * should be dropped in this case.
- *
- * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found,
- * 'honor_table_miss' is true and a table miss configuration has
- * not been specified in this case.
- *
* The rule is returned in '*rule', which is valid at least until the next
* RCU quiescent period. If the '*rule' needs to stay around longer,
* a non-zero 'take_ref' must be passed in to cause a reference to be taken
- * on it before this returns. */
-enum rule_dpif_lookup_verdict
-rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
- const struct flow *flow,
- struct flow_wildcards *wc,
- bool honor_table_miss,
- uint8_t *table_id, struct rule_dpif **rule,
- bool take_ref, const struct dpif_flow_stats *stats)
-{
+ * on it before this returns.
+ *
+ * 'in_port' allows the lookup to take place as if the in port had the value
+ * 'in_port'. This is needed for resubmit action support. */
+struct rule_dpif *
+rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, struct flow *flow,
+ struct flow_wildcards *wc, bool take_ref,
+ const struct dpif_flow_stats *stats,
+ uint8_t *table_id, ofp_port_t in_port,
+ bool may_packet_in, bool honor_table_miss)
+{
+ ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
+ ofp_port_t old_in_port = flow->in_port.ofp_port;
+ enum ofputil_table_miss miss_config;
+ struct rule_dpif *rule;
uint8_t next_id;
+ /* We always unwildcard nw_frag (for IP), so they
+ * need not be unwildcarded here. */
+ if (flow->nw_frag & FLOW_NW_FRAG_ANY
+ && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
+ if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
+ /* We must pretend that transport ports are unavailable. */
+ flow->tp_src = htons(0);
+ flow->tp_dst = htons(0);
+ } else {
+ /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
+ * Use the drop_frags_rule (which cannot disappear). */
+ rule = ofproto->drop_frags_rule;
+ if (take_ref) {
+ rule_dpif_ref(rule);
+ }
+ if (stats) {
+ struct oftable *tbl = &ofproto->up.tables[*table_id];
+ unsigned long orig;
+
+ atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
+ }
+ return rule;
+ }
+ }
+
+ /* Look up a flow with 'in_port' as the input port. Then restore the
+ * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
+ * have surprising behavior). */
+ flow->in_port.ofp_port = in_port;
+
+ /* Our current implementation depends on n_tables == N_TABLES, and
+ * TBL_INTERNAL being the last table. */
+ BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
+
+ miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
+
for (next_id = *table_id;
next_id < ofproto->up.n_tables;
next_id++, next_id += (next_id == TBL_INTERNAL))
{
*table_id = next_id;
- *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc,
- take_ref);
+ rule = rule_dpif_lookup_in_table(ofproto, next_id, flow, wc, take_ref);
if (stats) {
struct oftable *tbl = &ofproto->up.tables[next_id];
unsigned long orig;
- atomic_add_relaxed(*rule ? &tbl->n_matched : &tbl->n_missed,
+ atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
stats->n_packets, &orig);
}
- if (*rule) {
- return RULE_DPIF_LOOKUP_VERDICT_MATCH;
- } else if (!honor_table_miss) {
- return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
- } else {
- switch (ofproto_table_get_miss_config(&ofproto->up, *table_id)) {
- case OFPUTIL_TABLE_MISS_CONTINUE:
- break;
-
- case OFPUTIL_TABLE_MISS_CONTROLLER:
- return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
-
- case OFPUTIL_TABLE_MISS_DROP:
- return RULE_DPIF_LOOKUP_VERDICT_DROP;
-
- case OFPUTIL_TABLE_MISS_DEFAULT:
- return RULE_DPIF_LOOKUP_VERDICT_DEFAULT;
+ if (rule) {
+ goto out; /* Match. */
+ }
+ if (honor_table_miss) {
+ miss_config = ofproto_table_get_miss_config(&ofproto->up,
+ *table_id);
+ if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
+ continue;
}
}
+ break;
+ }
+ /* Miss. */
+ rule = ofproto->no_packet_in_rule;
+ if (may_packet_in) {
+ if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
+ || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
+ struct ofport_dpif *port;
+
+ port = get_ofp_port(ofproto, old_in_port);
+ if (!port) {
+ VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
+ old_in_port);
+ } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
+ rule = ofproto->miss_rule;
+ }
+ } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
+ connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
+ rule = ofproto->miss_rule;
+ }
}
-
- return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
-}
-
-/* Given a port configuration (specified as zero if there's no port), chooses
- * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a
- * flow table miss.
- *
- * The rule is returned in '*rule', which is valid at least until the next
- * RCU quiescent period. If the '*rule' needs to stay around longer,
- * a reference must be taken on it (rule_dpif_ref()).
- */
-void
-choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule,
- struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule,
- bool take_ref)
-{
- *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule;
if (take_ref) {
- rule_dpif_ref(*rule);
+ rule_dpif_ref(rule);
}
+out:
+ /* Restore port numbers, as they may have been modified above. */
+ flow->tp_src = old_tp_src;
+ flow->tp_dst = old_tp_dst;
+ /* Restore the old in port. */
+ flow->in_port.ofp_port = old_in_port;
+
+ return rule;
}
static void
return error;
}
\f
+/* Return the version string of the datapath that backs up
+ * this 'ofproto'.
+ */
+static const char *
+get_datapath_version(const struct ofproto *ofproto_)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+ return ofproto->backer->dp_version_string;
+}
+
static bool
set_frag_handling(struct ofproto *ofproto_,
enum ofp_config_flags frag_handling)
ds_put_char(result, '\n');
}
+static void trace_report(struct xlate_in *xin, const char *s, int recurse);
+
static void
trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
{
struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
struct ds *result = trace->result;
+ if (!recurse) {
+ if (rule == xin->ofproto->miss_rule) {
+ trace_report(xin, "No match, flow generates \"packet in\"s.",
+ recurse);
+ } else if (rule == xin->ofproto->no_packet_in_rule) {
+ trace_report(xin, "No match, packets dropped because "
+ "OFPPC_NO_PACKET_IN is set on in_port.", recurse);
+ } else if (rule == xin->ofproto->drop_frags_rule) {
+ trace_report(xin, "Packets dropped because they are IP "
+ "fragments and the fragment handling mode is "
+ "\"drop\".", recurse);
+ }
+ }
+
ds_put_char(result, '\n');
- trace_format_flow(result, recurse + 1, "Resubmitted flow", trace);
- trace_format_regs(result, recurse + 1, "Resubmitted regs", trace);
- trace_format_odp(result, recurse + 1, "Resubmitted odp", trace);
- trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace);
- trace_format_rule(result, recurse + 1, rule);
+ if (recurse) {
+ trace_format_flow(result, recurse, "Resubmitted flow", trace);
+ trace_format_regs(result, recurse, "Resubmitted regs", trace);
+ trace_format_odp(result, recurse, "Resubmitted odp", trace);
+ trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
+ }
+ trace_format_rule(result, recurse, rule);
}
static void
/* Do the same checks as handle_packet_out() in ofproto.c.
*
- * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't
+ * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
* strictly correct because these actions aren't in any table, but it's OK
* because it 'table_id' is used only to check goto_table instructions, but
* packet-outs take a list of actions and therefore it can't include
const struct ofpact ofpacts[], size_t ofpacts_len,
struct ds *ds)
{
- struct rule_dpif *rule;
struct trace_ctx trace;
ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
ds_put_char(ds, '\n');
flow_wildcards_init_catchall(&trace.wc);
- if (ofpacts) {
- rule = NULL;
- } else {
- rule_dpif_lookup(ofproto, flow, &trace.wc, &rule, false, NULL);
-
- trace_format_rule(ds, 0, rule);
- if (rule == ofproto->miss_rule) {
- ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n");
- } else if (rule == ofproto->no_packet_in_rule) {
- ds_put_cstr(ds, "\nNo match, packets dropped because "
- "OFPPC_NO_PACKET_IN is set on in_port.\n");
- } else if (rule == ofproto->drop_frags_rule) {
- ds_put_cstr(ds, "\nPackets dropped because they are IP fragments "
- "and the fragment handling mode is \"drop\".\n");
- }
- }
- if (rule || ofpacts) {
- trace.result = ds;
- trace.key = flow; /* Original flow key, used for megaflow. */
- trace.flow = *flow; /* May be modified by actions. */
- xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, rule,
- ntohs(flow->tcp_flags), packet);
- if (ofpacts) {
- trace.xin.ofpacts = ofpacts;
- trace.xin.ofpacts_len = ofpacts_len;
- }
- trace.xin.resubmit_hook = trace_resubmit;
- trace.xin.report_hook = trace_report;
+ trace.result = ds;
+ trace.key = flow; /* Original flow key, used for megaflow. */
+ trace.flow = *flow; /* May be modified by actions. */
+ xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
+ ntohs(flow->tcp_flags), packet);
+ trace.xin.ofpacts = ofpacts;
+ trace.xin.ofpacts_len = ofpacts_len;
+ trace.xin.resubmit_hook = trace_resubmit;
+ trace.xin.report_hook = trace_report;
- xlate_actions(&trace.xin, &trace.xout);
+ xlate_actions(&trace.xin, &trace.xout);
- ds_put_char(ds, '\n');
- trace_format_flow(ds, 0, "Final flow", &trace);
- trace_format_megaflow(ds, 0, "Megaflow", &trace);
+ ds_put_char(ds, '\n');
+ trace_format_flow(ds, 0, "Final flow", &trace);
+ trace_format_megaflow(ds, 0, "Megaflow", &trace);
- ds_put_cstr(ds, "Datapath actions: ");
- format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
- ofpbuf_size(trace.xout.odp_actions));
+ ds_put_cstr(ds, "Datapath actions: ");
+ format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
+ ofpbuf_size(trace.xout.odp_actions));
- if (trace.xout.slow) {
- enum slow_path_reason slow;
+ if (trace.xout.slow) {
+ enum slow_path_reason slow;
- ds_put_cstr(ds, "\nThis flow is handled by the userspace "
- "slow path because it:");
+ ds_put_cstr(ds, "\nThis flow is handled by the userspace "
+ "slow path because it:");
- slow = trace.xout.slow;
- while (slow) {
- enum slow_path_reason bit = rightmost_1bit(slow);
+ slow = trace.xout.slow;
+ while (slow) {
+ enum slow_path_reason bit = rightmost_1bit(slow);
- ds_put_format(ds, "\n\t- %s.",
- slow_path_reason_to_explanation(bit));
+ ds_put_format(ds, "\n\t- %s.",
+ slow_path_reason_to_explanation(bit));
- slow &= ~bit;
- }
+ slow &= ~bit;
}
-
- xlate_out_uninit(&trace.xout);
}
+
+ xlate_out_uninit(&trace.xout);
}
/* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
}
static void
-ofproto_dpif_unixctl_init(void)
+ofproto_revalidate_all_backers(void)
+{
+ const struct shash_node **backers;
+ int i;
+
+ backers = shash_sort(&all_dpif_backers);
+ for (i = 0; i < shash_count(&all_dpif_backers); i++) {
+ struct dpif_backer *backer = backers[i]->data;
+ backer->need_revalidate = REV_RECONFIGURE;
+ }
+ free(backers);
+}
+
+static void
+disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
+ const char *argv[], void *aux OVS_UNUSED)
+{
+ if (!strcasecmp(argv[1], "off")) {
+ ofproto_use_tnl_push_pop = false;
+ unixctl_command_reply(conn, "Tunnel push-pop off");
+ ofproto_revalidate_all_backers();
+ } else if (!strcasecmp(argv[1], "on")) {
+ ofproto_use_tnl_push_pop = true;
+ unixctl_command_reply(conn, "Tunnel push-pop on");
+ ofproto_revalidate_all_backers();
+ }
+}
+
+static void
+ofproto_unixctl_init(void)
{
static bool registered;
if (registered) {
NULL);
unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
ofproto_unixctl_dpif_dump_flows, NULL);
+
+ unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
+ disable_tnl_push_pop, NULL);
}
/* Returns true if 'table' is the table used for internal rules,
fm.command = OFPFC_ADD;
fm.idle_timeout = idle_timeout;
fm.hard_timeout = 0;
+ fm.importance = 0;
fm.buffer_id = 0;
fm.out_port = 0;
fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
port_poll,
port_poll_wait,
port_is_lacp_current,
+ port_get_lacp_stats,
NULL, /* rule_choose_table */
rule_alloc,
rule_construct,
group_dealloc, /* group_dealloc */
group_modify, /* group_modify */
group_get_stats, /* group_get_stats */
+ get_datapath_version, /* get_datapath_version */
};
projects / cascardo / ovs.git / blobdiff