#define SUBFACET_DESTROY_MAX_BATCH 50
-static struct subfacet *subfacet_create(struct facet *, struct flow_miss *);
+static struct subfacet *subfacet_create(struct facet *, struct flow_miss *,
+ uint32_t key_hash);
static struct subfacet *subfacet_find(struct dpif_backer *,
const struct nlattr *key, size_t key_len,
uint32_t key_hash);
struct bfd *bfd; /* BFD, if any. */
bool may_enable; /* May be enabled in bonds. */
bool is_tunnel; /* This port is a tunnel. */
+ bool is_layer3; /* This is a layer 3 port. */
long long int carrier_seq; /* Carrier status changes. */
struct ofport_dpif *peer; /* Peer if patch port. */
struct timer next_expiration;
struct ovs_rwlock odp_to_ofport_lock;
- struct hmap odp_to_ofport_map OVS_GUARDED; /* ODP port to ofport map. */
+ struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto,
ofp_port_t ofp_port);
static void ofproto_trace(struct ofproto_dpif *, const struct flow *,
- const struct ofpbuf *packet, struct ds *);
+ const struct ofpbuf *packet,
+ const struct ofpact[], size_t ofpacts_len,
+ struct ds *);
/* Upcalls. */
static void handle_upcalls(struct dpif_backer *);
ovs_mutex_init(&ofproto->stats_mutex);
ovs_mutex_init(&ofproto->vsp_mutex);
- classifier_init(&ofproto->facets);
+ classifier_init(&ofproto->facets, NULL);
ofproto->consistency_rl = LLONG_MIN;
guarded_list_init(&ofproto->pins);
port->realdev_ofp_port = 0;
port->vlandev_vid = 0;
port->carrier_seq = netdev_get_carrier_resets(netdev);
+ port->is_layer3 = netdev_vport_is_layer3(netdev);
if (netdev_vport_is_patch(netdev)) {
/* By bailing out here, we don't submit the port to the sFlow module
s->state = stp_port_get_state(sp);
s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
s->role = stp_port_get_role(sp);
+
+ return 0;
+}
+
+static int
+get_stp_port_stats(struct ofport *ofport_,
+ struct ofproto_port_stp_stats *s)
+{
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ struct stp_port *sp = ofport->stp_port;
+
+ if (!ofproto->stp || !sp) {
+ s->enabled = false;
+ return 0;
+ }
+
+ s->enabled = true;
stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
return 0;
bundle->floodable = true;
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->floodable = false;
break;
port->bundle = bundle;
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->floodable = false;
}
{
enum subfacet_path want_path;
struct subfacet *subfacet;
+ uint32_t key_hash;
+ /* Update facet stats. */
facet->packet_count += miss->stats.n_packets;
facet->prev_packet_count += miss->stats.n_packets;
facet->byte_count += miss->stats.n_bytes;
facet->prev_byte_count += miss->stats.n_bytes;
- want_path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH;
+ /* Look for an existing subfacet. If we find one, update its used time. */
+ key_hash = odp_flow_key_hash(miss->key, miss->key_len);
+ if (!list_is_empty(&facet->subfacets)) {
+ subfacet = subfacet_find(miss->ofproto->backer,
+ miss->key, miss->key_len, key_hash);
+ if (subfacet) {
+ if (subfacet->facet == facet) {
+ subfacet->used = MAX(subfacet->used, miss->stats.used);
+ } else {
+ /* This shouldn't happen. */
+ VLOG_ERR_RL(&rl, "subfacet with wrong facet");
+ subfacet_destroy(subfacet);
+ subfacet = NULL;
+ }
+ }
+ } else {
+ subfacet = NULL;
+ }
/* Don't install the flow if it's the result of the "userspace"
* action for an already installed facet. This can occur when a
return;
}
- subfacet = subfacet_create(facet, miss);
+ /* Create a subfacet, if we don't already have one. */
+ if (!subfacet) {
+ subfacet = subfacet_create(facet, miss, key_hash);
+ }
+
+ /* Install the subfacet, if it's not already installed. */
+ want_path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH;
if (subfacet->path != want_path) {
struct flow_miss_op *op = &ops[(*n_ops)++];
struct dpif_flow_put *put = &op->dpif_op.u.flow_put;
xlate_in_init(&xin, ofproto, &facet->flow, new_rule, 0, NULL);
xlate_actions(&xin, &xout);
flow_wildcards_or(&xout.wc, &xout.wc, &wc);
+ /* Make sure non -packet fields are not masked. If not cleared,
+ * the memcmp() below may fail, causing an otherwise valid facet
+ * to be removed. */
+ flow_wildcards_clear_non_packet_fields(&xout.wc);
/* A facet's slow path reason should only change under dramatic
* circumstances. Rather than try to update everything, it's simpler to
in_port = get_ofp_port(ofproto, flow->in_port.ofp_port);
if (in_port && in_port->is_tunnel) {
netdev_vport_inc_rx(in_port->up.netdev, stats);
+ if (in_port->bfd) {
+ bfd_account_rx(in_port->bfd, stats);
+ }
}
xlate_in_init(&xin, ofproto, flow, NULL, stats->tcp_flags, NULL);
return NULL;
}
-/* Searches 'facet' (within 'ofproto') for a subfacet with the specified
- * 'key_fitness', 'key', and 'key_len' members in 'miss'. Returns the
- * existing subfacet if there is one, otherwise creates and returns a
- * new subfacet. */
+/* Creates and returns a new subfacet within 'facet' for the flow in 'miss'.
+ * 'key_hash' must be a hash over miss->key. The caller must have already
+ * ensured that no subfacet subfacet already exists. */
static struct subfacet *
-subfacet_create(struct facet *facet, struct flow_miss *miss)
+subfacet_create(struct facet *facet, struct flow_miss *miss, uint32_t key_hash)
{
struct dpif_backer *backer = miss->ofproto->backer;
const struct nlattr *key = miss->key;
size_t key_len = miss->key_len;
- uint32_t key_hash;
struct subfacet *subfacet;
- key_hash = odp_flow_key_hash(key, key_len);
-
- if (list_is_empty(&facet->subfacets)) {
- subfacet = &facet->one_subfacet;
- } else {
- subfacet = subfacet_find(backer, key, key_len, key_hash);
- if (subfacet) {
- if (subfacet->facet == facet) {
- return subfacet;
- }
-
- /* This shouldn't happen. */
- VLOG_ERR_RL(&rl, "subfacet with wrong facet");
- subfacet_destroy(subfacet);
- }
-
- subfacet = xmalloc(sizeof *subfacet);
- }
+ subfacet = (list_is_empty(&facet->subfacets)
+ ? &facet->one_subfacet
+ : xmalloc(sizeof *subfacet));
COVERAGE_INC(subfacet_create);
hmap_insert(&backer->subfacets, &subfacet->hmap_node, key_hash);
ds_put_char_multiple(result, '\t', level);
ds_put_format(result, "%s:", title);
for (i = 0; i < FLOW_N_REGS; i++) {
- ds_put_format(result, " reg%zu=0x%"PRIx32, i, trace->flow.regs[i]);
+ ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
}
ds_put_char(result, '\n');
}
struct ds result;
ds_init(&result);
- ofproto_trace(ofproto, &flow, packet, &result);
+ ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
unixctl_command_reply(conn, ds_cstr(&result));
ds_destroy(&result);
ofpbuf_delete(packet);
}
}
+static void
+ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
+ const char *argv[], void *aux OVS_UNUSED)
+{
+ enum ofputil_protocol usable_protocols;
+ struct ofproto_dpif *ofproto;
+ bool enforce_consistency;
+ struct ofpbuf ofpacts;
+ struct ofpbuf *packet;
+ struct ds result;
+ struct flow flow;
+ uint16_t in_port;
+
+ /* Three kinds of error return values! */
+ enum ofperr retval;
+ const char *error;
+ char *rw_error;
+
+ packet = NULL;
+ ds_init(&result);
+ ofpbuf_init(&ofpacts, 0);
+
+ /* Parse actions. */
+ rw_error = parse_ofpacts(argv[--argc], &ofpacts, &usable_protocols);
+ if (rw_error) {
+ unixctl_command_reply_error(conn, rw_error);
+ free(rw_error);
+ goto exit;
+ }
+
+ /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
+ * consistency between the flow and the actions. With -consistent, we
+ * enforce consistency even for a flow supported in OpenFlow 1.0. */
+ if (!strcmp(argv[1], "-consistent")) {
+ enforce_consistency = true;
+ argv++;
+ argc--;
+ } else {
+ enforce_consistency = false;
+ }
+
+ error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
+ if (error) {
+ unixctl_command_reply_error(conn, error);
+ goto exit;
+ }
+
+ /* 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
+ * 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
+ * instructions.
+ *
+ * We skip the "meter" check here because meter is an instruction, not an
+ * action, and thus cannot appear in ofpacts. */
+ in_port = ofp_to_u16(flow.in_port.ofp_port);
+ if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
+ unixctl_command_reply_error(conn, "invalid in_port");
+ goto exit;
+ }
+ if (enforce_consistency) {
+ retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size, &flow,
+ u16_to_ofp(ofproto->up.max_ports),
+ 0, 0, usable_protocols);
+ } else {
+ retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow,
+ u16_to_ofp(ofproto->up.max_ports), 0, 0,
+ &usable_protocols);
+ }
+
+ if (retval) {
+ ds_clear(&result);
+ ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
+ unixctl_command_reply_error(conn, ds_cstr(&result));
+ goto exit;
+ }
+
+ ofproto_trace(ofproto, &flow, packet, ofpacts.data, ofpacts.size, &result);
+ unixctl_command_reply(conn, ds_cstr(&result));
+
+exit:
+ ds_destroy(&result);
+ ofpbuf_delete(packet);
+ ofpbuf_uninit(&ofpacts);
+}
+
+/* Implements a "trace" through 'ofproto''s flow table, appending a textual
+ * description of the results to 'ds'.
+ *
+ * The trace follows a packet with the specified 'flow' through the flow
+ * table. 'packet' may be nonnull to trace an actual packet, with consequent
+ * side effects (if it is nonnull then its flow must be 'flow').
+ *
+ * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
+ * trace, otherwise the actions are determined by a flow table lookup. */
static void
ofproto_trace(struct ofproto_dpif *ofproto, const struct flow *flow,
- const struct ofpbuf *packet, struct ds *ds)
+ const struct ofpbuf *packet,
+ const struct ofpact ofpacts[], size_t ofpacts_len,
+ struct ds *ds)
{
struct rule_dpif *rule;
struct flow_wildcards wc;
+ ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
ds_put_cstr(ds, "Flow: ");
flow_format(ds, flow);
ds_put_char(ds, '\n');
flow_wildcards_init_catchall(&wc);
- rule_dpif_lookup(ofproto, flow, &wc, &rule);
+ if (ofpacts) {
+ rule = NULL;
+ } else {
+ rule_dpif_lookup(ofproto, flow, &wc, &rule);
- 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");
+ 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) {
+ if (rule || ofpacts) {
uint64_t odp_actions_stub[1024 / 8];
struct ofpbuf odp_actions;
struct trace_ctx trace;
ofpbuf_use_stub(&odp_actions,
odp_actions_stub, sizeof odp_actions_stub);
xlate_in_init(&trace.xin, ofproto, flow, rule, 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;
ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
dpif_name(backer->dpif), n_hit, n_missed);
- ds_put_format(ds, "\tflows: cur: %zu, avg: %u, max: %u,"
+ ds_put_format(ds, "\tflows: cur: %"PRIuSIZE", avg: %u, max: %u,"
" life span: %lldms\n", hmap_count(&backer->subfacets),
backer->avg_n_subfacet, backer->max_n_subfacet,
backer->avg_subfacet_life);
CLS_CURSOR_FOR_EACH (facet, cr, &cursor) {
cls_rule_format(&facet->cr, &ds);
ds_put_cstr(&ds, ", ");
- ds_put_format(&ds, "n_subfacets:%zu, ", list_size(&facet->subfacets));
+ ds_put_format(&ds, "n_subfacets:%"PRIuSIZE", ", list_size(&facet->subfacets));
ds_put_format(&ds, "used:%.3fs, ", (now - facet->used) / 1000.0);
ds_put_cstr(&ds, "Datapath actions: ");
if (facet->xout.slow) {
unixctl_command_register(
"ofproto/trace",
- "[dp_name]|bridge odp_flow|br_flow [-generate|packet]",
+ "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
1, 3, ofproto_unixctl_trace, NULL);
+ unixctl_command_register(
+ "ofproto/trace-packet-out",
+ "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
+ 2, 6, ofproto_unixctl_trace_actions, NULL);
unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
ofproto_unixctl_fdb_flush, NULL);
unixctl_command_register("fdb/show", "bridge", 1, 1,
get_stp_status,
set_stp_port,
get_stp_port_status,
+ get_stp_port_stats,
set_queues,
bundle_set,
bundle_remove,
git://git.onelab.eu / sliver-openvswitch.git / blobdiff