#include "ofp-print.h"
#include "ofproto-dpif-governor.h"
#include "ofproto-dpif-ipfix.h"
+#include "ofproto-dpif-mirror.h"
#include "ofproto-dpif-sflow.h"
#include "ofproto-dpif-xlate.h"
#include "poll-loop.h"
static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes);
static void rule_invalidate(const struct rule_dpif *);
-static void mirror_destroy(struct ofmirror *);
-static void update_mirror_stats(struct ofproto_dpif *ofproto,
- mirror_mask_t mirrors,
- uint64_t packets, uint64_t bytes);
-
static void bundle_remove(struct ofport *);
static void bundle_update(struct ofbundle *);
static void bundle_destroy(struct ofbundle *);
* for debugging the asynchronous flow_mod implementation.) */
static bool clogged;
+/* By default, flows in the datapath are wildcarded (megaflows). They
+ * may be disabled with the "ovs-appctl dpif/disable-megaflows" command. */
+static bool enable_megaflows = true;
+
/* All existing ofproto_dpif instances, indexed by ->up.name. */
static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
free(backer_name);
if (error) {
VLOG_ERR("failed to open datapath of type %s: %s", type,
- strerror(error));
+ ovs_strerror(error));
free(backer);
return error;
}
error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
if (error) {
VLOG_ERR("failed to listen on datapath of type %s: %s",
- type, strerror(error));
+ type, ovs_strerror(error));
close_dpif_backer(backer);
return error;
}
ofproto->stp = NULL;
hmap_init(&ofproto->bundles);
ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
- for (i = 0; i < MAX_MIRRORS; i++) {
- ofproto->mirrors[i] = NULL;
- }
+ ofproto->mbridge = mbridge_create();
ofproto->has_bonded_bundles = false;
classifier_init(&ofproto->facets);
ofproto_dpif_unixctl_init();
- ofproto->has_mirrors = false;
hmap_init(&ofproto->vlandev_map);
hmap_init(&ofproto->realdev_vid_map);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct rule_dpif *rule, *next_rule;
struct oftable *table;
- int i;
ofproto->backer->need_revalidate = REV_RECONFIGURE;
hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
}
}
- for (i = 0; i < MAX_MIRRORS; i++) {
- mirror_destroy(ofproto->mirrors[i]);
- }
+ mbridge_unref(ofproto->mbridge);
netflow_destroy(ofproto->netflow);
dpif_sflow_unref(ofproto->sflow);
complete_operations(ofproto);
}
+ if (mbridge_need_revalidate(ofproto->mbridge)) {
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
+ mac_learning_flush(ofproto->ml, NULL);
+ }
+
/* Do not perform any periodic activity below required by 'ofproto' while
* waiting for flow restore to complete. */
if (ofproto_get_flow_restore_wait()) {
return NULL;
}
-/* Looks up each of the 'n_auxes' pointers in 'auxes' as bundles and adds the
- * ones that are found to 'bundles'. */
-static void
-bundle_lookup_multiple(struct ofproto_dpif *ofproto,
- void **auxes, size_t n_auxes,
- struct hmapx *bundles)
-{
- size_t i;
-
- hmapx_init(bundles);
- for (i = 0; i < n_auxes; i++) {
- struct ofbundle *bundle = bundle_lookup(ofproto, auxes[i]);
- if (bundle) {
- hmapx_add(bundles, bundle);
- }
- }
-}
-
static void
bundle_update(struct ofbundle *bundle)
{
{
struct ofproto_dpif *ofproto;
struct ofport_dpif *port, *next_port;
- int i;
if (!bundle) {
return;
}
ofproto = bundle->ofproto;
- for (i = 0; i < MAX_MIRRORS; i++) {
- struct ofmirror *m = ofproto->mirrors[i];
- if (m) {
- if (m->out == bundle) {
- mirror_destroy(m);
- } else if (hmapx_find_and_delete(&m->srcs, bundle)
- || hmapx_find_and_delete(&m->dsts, bundle)) {
- ofproto->backer->need_revalidate = REV_RECONFIGURE;
- }
- }
- }
+ mbridge_unregister_bundle(ofproto->mbridge, bundle->aux);
LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
bundle_del_port(port);
bundle->bond = NULL;
bundle->floodable = true;
-
- bundle->src_mirrors = 0;
- bundle->dst_mirrors = 0;
- bundle->mirror_out = 0;
+ mbridge_register_bundle(ofproto->mbridge, bundle);
}
if (!bundle->name || strcmp(s->name, bundle->name)) {
} else {
VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
"%s (%s)", port->bundle->name,
- netdev_get_name(port->up.netdev), strerror(error));
+ netdev_get_name(port->up.netdev), ovs_strerror(error));
}
}
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
"packets, last error was: %s",
- bundle->name, n_errors, n_packets, strerror(error));
+ bundle->name, n_errors, n_packets, ovs_strerror(error));
} else {
VLOG_DBG("bond %s: sent %d gratuitous learning packets",
bundle->name, n_packets);
/* Mirrors. */
static int
-mirror_scan(struct ofproto_dpif *ofproto)
-{
- int idx;
-
- for (idx = 0; idx < MAX_MIRRORS; idx++) {
- if (!ofproto->mirrors[idx]) {
- return idx;
- }
- }
- return -1;
-}
-
-static struct ofmirror *
-mirror_lookup(struct ofproto_dpif *ofproto, void *aux)
-{
- int i;
-
- for (i = 0; i < MAX_MIRRORS; i++) {
- struct ofmirror *mirror = ofproto->mirrors[i];
- if (mirror && mirror->aux == aux) {
- return mirror;
- }
- }
-
- return NULL;
-}
-
-/* Update the 'dup_mirrors' member of each of the ofmirrors in 'ofproto'. */
-static void
-mirror_update_dups(struct ofproto_dpif *ofproto)
-{
- int i;
-
- for (i = 0; i < MAX_MIRRORS; i++) {
- struct ofmirror *m = ofproto->mirrors[i];
-
- if (m) {
- m->dup_mirrors = MIRROR_MASK_C(1) << i;
- }
- }
-
- for (i = 0; i < MAX_MIRRORS; i++) {
- struct ofmirror *m1 = ofproto->mirrors[i];
- int j;
-
- if (!m1) {
- continue;
- }
-
- for (j = i + 1; j < MAX_MIRRORS; j++) {
- struct ofmirror *m2 = ofproto->mirrors[j];
-
- if (m2 && m1->out == m2->out && m1->out_vlan == m2->out_vlan) {
- m1->dup_mirrors |= MIRROR_MASK_C(1) << j;
- m2->dup_mirrors |= m1->dup_mirrors;
- }
- }
- }
-}
-
-static int
-mirror_set(struct ofproto *ofproto_, void *aux,
- const struct ofproto_mirror_settings *s)
+mirror_set__(struct ofproto *ofproto_, void *aux,
+ const struct ofproto_mirror_settings *s)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- mirror_mask_t mirror_bit;
- struct ofbundle *bundle;
- struct ofmirror *mirror;
- struct ofbundle *out;
- struct hmapx srcs; /* Contains "struct ofbundle *"s. */
- struct hmapx dsts; /* Contains "struct ofbundle *"s. */
- int out_vlan;
+ struct ofbundle **srcs, **dsts;
+ int error;
+ size_t i;
- mirror = mirror_lookup(ofproto, aux);
if (!s) {
- mirror_destroy(mirror);
+ mirror_destroy(ofproto->mbridge, aux);
return 0;
}
- if (!mirror) {
- int idx;
- idx = mirror_scan(ofproto);
- if (idx < 0) {
- VLOG_WARN("bridge %s: maximum of %d port mirrors reached, "
- "cannot create %s",
- ofproto->up.name, MAX_MIRRORS, s->name);
- return EFBIG;
- }
-
- mirror = ofproto->mirrors[idx] = xzalloc(sizeof *mirror);
- mirror->ofproto = ofproto;
- mirror->idx = idx;
- mirror->aux = aux;
- mirror->out_vlan = -1;
- mirror->name = NULL;
- }
+ srcs = xmalloc(s->n_srcs * sizeof *srcs);
+ dsts = xmalloc(s->n_dsts * sizeof *dsts);
- if (!mirror->name || strcmp(s->name, mirror->name)) {
- free(mirror->name);
- mirror->name = xstrdup(s->name);
+ for (i = 0; i < s->n_srcs; i++) {
+ srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
}
- /* Get the new configuration. */
- if (s->out_bundle) {
- out = bundle_lookup(ofproto, s->out_bundle);
- if (!out) {
- mirror_destroy(mirror);
- return EINVAL;
- }
- out_vlan = -1;
- } else {
- out = NULL;
- out_vlan = s->out_vlan;
- }
- bundle_lookup_multiple(ofproto, s->srcs, s->n_srcs, &srcs);
- bundle_lookup_multiple(ofproto, s->dsts, s->n_dsts, &dsts);
-
- /* If the configuration has not changed, do nothing. */
- if (hmapx_equals(&srcs, &mirror->srcs)
- && hmapx_equals(&dsts, &mirror->dsts)
- && vlan_bitmap_equal(mirror->vlans, s->src_vlans)
- && mirror->out == out
- && mirror->out_vlan == out_vlan)
- {
- hmapx_destroy(&srcs);
- hmapx_destroy(&dsts);
- return 0;
+ for (i = 0; i < s->n_dsts; i++) {
+ dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
}
- hmapx_swap(&srcs, &mirror->srcs);
- hmapx_destroy(&srcs);
-
- hmapx_swap(&dsts, &mirror->dsts);
- hmapx_destroy(&dsts);
-
- free(mirror->vlans);
- mirror->vlans = vlan_bitmap_clone(s->src_vlans);
-
- mirror->out = out;
- mirror->out_vlan = out_vlan;
-
- /* Update bundles. */
- mirror_bit = MIRROR_MASK_C(1) << mirror->idx;
- HMAP_FOR_EACH (bundle, hmap_node, &mirror->ofproto->bundles) {
- if (hmapx_contains(&mirror->srcs, bundle)) {
- bundle->src_mirrors |= mirror_bit;
- } else {
- bundle->src_mirrors &= ~mirror_bit;
- }
-
- if (hmapx_contains(&mirror->dsts, bundle)) {
- bundle->dst_mirrors |= mirror_bit;
- } else {
- bundle->dst_mirrors &= ~mirror_bit;
- }
-
- if (mirror->out == bundle) {
- bundle->mirror_out |= mirror_bit;
- } else {
- bundle->mirror_out &= ~mirror_bit;
- }
- }
-
- ofproto->backer->need_revalidate = REV_RECONFIGURE;
- ofproto->has_mirrors = true;
- mac_learning_flush(ofproto->ml,
- &ofproto->backer->revalidate_set);
- mirror_update_dups(ofproto);
-
- return 0;
-}
-
-static void
-mirror_destroy(struct ofmirror *mirror)
-{
- struct ofproto_dpif *ofproto;
- mirror_mask_t mirror_bit;
- struct ofbundle *bundle;
- int i;
-
- if (!mirror) {
- return;
- }
-
- ofproto = mirror->ofproto;
- ofproto->backer->need_revalidate = REV_RECONFIGURE;
- mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
-
- mirror_bit = MIRROR_MASK_C(1) << mirror->idx;
- HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
- bundle->src_mirrors &= ~mirror_bit;
- bundle->dst_mirrors &= ~mirror_bit;
- bundle->mirror_out &= ~mirror_bit;
- }
-
- hmapx_destroy(&mirror->srcs);
- hmapx_destroy(&mirror->dsts);
- free(mirror->vlans);
-
- ofproto->mirrors[mirror->idx] = NULL;
- free(mirror->name);
- free(mirror);
-
- mirror_update_dups(ofproto);
-
- ofproto->has_mirrors = false;
- for (i = 0; i < MAX_MIRRORS; i++) {
- if (ofproto->mirrors[i]) {
- ofproto->has_mirrors = true;
- break;
- }
- }
+ error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
+ s->n_dsts, s->src_vlans,
+ bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
+ free(srcs);
+ free(dsts);
+ return error;
}
static int
-mirror_get_stats(struct ofproto *ofproto_, void *aux,
- uint64_t *packets, uint64_t *bytes)
+mirror_get_stats__(struct ofproto *ofproto, void *aux,
+ uint64_t *packets, uint64_t *bytes)
{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- struct ofmirror *mirror = mirror_lookup(ofproto, aux);
-
- if (!mirror) {
- *packets = *bytes = UINT64_MAX;
- return 0;
- }
-
push_all_stats();
-
- *packets = mirror->packet_count;
- *bytes = mirror->byte_count;
-
- return 0;
+ return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
+ bytes);
}
static int
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct ofbundle *bundle = bundle_lookup(ofproto, aux);
- return bundle && bundle->mirror_out != 0;
+ return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
}
static void
subfacet->path = want_path;
ofpbuf_use_stack(&op->mask, &op->maskbuf, sizeof op->maskbuf);
- odp_flow_key_from_mask(&op->mask, &facet->xout.wc.masks,
- &miss->flow, UINT32_MAX);
+ if (enable_megaflows) {
+ odp_flow_key_from_mask(&op->mask, &facet->xout.wc.masks,
+ &miss->flow, UINT32_MAX);
+ }
op->xout_garbage = false;
op->dpif_op.type = DPIF_OP_FLOW_PUT;
if (error && !VLOG_DROP_WARN(&rl)) {
struct ds ds = DS_EMPTY_INITIALIZER;
odp_flow_key_format(drop_key->key, drop_key->key_len, &ds);
- VLOG_WARN("Failed to delete drop key (%s) (%s)", strerror(error),
- ds_cstr(&ds));
+ VLOG_WARN("Failed to delete drop key (%s) (%s)",
+ ovs_strerror(error), ds_cstr(&ds));
ds_destroy(&ds);
}
netflow_flow_update_time(ofproto->netflow, &facet->nf_flow,
facet->used);
netflow_flow_update_flags(&facet->nf_flow, facet->tcp_flags);
- update_mirror_stats(ofproto, facet->xout.mirrors, stats.n_packets,
- stats.n_bytes);
+ mirror_update_stats(ofproto->mbridge, facet->xout.mirrors,
+ stats.n_packets, stats.n_bytes);
xlate_in_init(&xin, ofproto, &facet->flow, facet->rule,
stats.tcp_flags, NULL);
}
ofpbuf_use_stack(&mask, &maskbuf, sizeof maskbuf);
- odp_flow_key_from_mask(&mask, &facet->xout.wc.masks,
- &facet->flow, UINT32_MAX);
+ if (enable_megaflows) {
+ odp_flow_key_from_mask(&mask, &facet->xout.wc.masks,
+ &facet->flow, UINT32_MAX);
+ }
ret = dpif_flow_put(subfacet->backer->dpif, flags, subfacet->key,
subfacet->key_len, mask.data, mask.size,
if (error) {
VLOG_WARN_RL(&rl, "%s: failed to send packet on port %s (%s)",
ofproto->up.name, netdev_get_name(ofport->up.netdev),
- strerror(error));
+ ovs_strerror(error));
}
ofproto->stats.tx_packets++;
return odp_put_userspace_action(pid, cookie, cookie_size, odp_actions);
}
-
-static void
-update_mirror_stats(struct ofproto_dpif *ofproto, mirror_mask_t mirrors,
- uint64_t packets, uint64_t bytes)
-{
- if (!mirrors) {
- return;
- }
-
- for (; mirrors; mirrors = zero_rightmost_1bit(mirrors)) {
- struct ofmirror *m;
-
- m = ofproto->mirrors[mirror_mask_ffs(mirrors) - 1];
-
- if (!m) {
- /* In normal circumstances 'm' will not be NULL. However,
- * if mirrors are reconfigured, we can temporarily get out
- * of sync in facet_revalidate(). We could "correct" the
- * mirror list before reaching here, but doing that would
- * not properly account the traffic stats we've currently
- * accumulated for previous mirror configuration. */
- continue;
- }
-
- m->packet_count += packets;
- m->byte_count += bytes;
- }
-}
-
tag_type
calculate_flow_tag(struct ofproto_dpif *ofproto, const struct flow *flow,
uint8_t table_id, struct rule_dpif *rule)
ds_destroy(&ds);
}
+/* Disable using the megaflows.
+ *
+ * This command is only needed for advanced debugging, so it's not
+ * documented in the man page. */
+static void
+ofproto_unixctl_dpif_disable_megaflows(struct unixctl_conn *conn,
+ int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED,
+ void *aux OVS_UNUSED)
+{
+ struct ofproto_dpif *ofproto;
+
+ enable_megaflows = false;
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ flush(&ofproto->up);
+ }
+
+ unixctl_command_reply(conn, "megaflows disabled");
+}
+
+/* Re-enable using megaflows.
+ *
+ * This command is only needed for advanced debugging, so it's not
+ * documented in the man page. */
+static void
+ofproto_unixctl_dpif_enable_megaflows(struct unixctl_conn *conn,
+ int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED,
+ void *aux OVS_UNUSED)
+{
+ struct ofproto_dpif *ofproto;
+
+ enable_megaflows = true;
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ flush(&ofproto->up);
+ }
+
+ unixctl_command_reply(conn, "megaflows enabled");
+}
+
static void
ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
int argc OVS_UNUSED, const char *argv[],
ofproto_unixctl_dpif_del_flows, NULL);
unixctl_command_register("dpif/dump-megaflows", "bridge", 1, 1,
ofproto_unixctl_dpif_dump_megaflows, NULL);
+ unixctl_command_register("dpif/disable-megaflows", "", 0, 0,
+ ofproto_unixctl_dpif_disable_megaflows, NULL);
+ unixctl_command_register("dpif/enable-megaflows", "", 0, 0,
+ ofproto_unixctl_dpif_enable_megaflows, NULL);
}
\f
/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
set_queues,
bundle_set,
bundle_remove,
- mirror_set,
- mirror_get_stats,
+ mirror_set__,
+ mirror_get_stats__,
set_flood_vlans,
is_mirror_output_bundle,
forward_bpdu_changed,
git://git.onelab.eu / sliver-openvswitch.git / blobdiff