#include <errno.h>
-#include "autopath.h"
+#include "bfd.h"
#include "bond.h"
#include "bundle.h"
#include "byte-order.h"
#include "mac-learning.h"
#include "meta-flow.h"
#include "multipath.h"
+#include "netdev-vport.h"
#include "netdev.h"
#include "netlink.h"
#include "nx-match.h"
#include "ofp-parse.h"
#include "ofp-print.h"
#include "ofproto-dpif-governor.h"
+#include "ofproto-dpif-ipfix.h"
#include "ofproto-dpif-sflow.h"
#include "poll-loop.h"
#include "simap.h"
#include "smap.h"
#include "timer.h"
+#include "tunnel.h"
#include "unaligned.h"
#include "unixctl.h"
#include "vlan-bitmap.h"
struct ofport_dpif;
struct ofproto_dpif;
struct flow_miss;
+struct facet;
struct rule_dpif {
struct rule up;
static void rule_credit_stats(struct rule_dpif *,
const struct dpif_flow_stats *);
-static void flow_push_stats(struct rule_dpif *, const struct flow *,
- const struct dpif_flow_stats *);
+static void flow_push_stats(struct facet *, const struct dpif_flow_stats *);
static tag_type rule_calculate_tag(const struct flow *,
const struct minimask *, uint32_t basis);
static void rule_invalidate(const struct rule_dpif *);
* this flow when actions change header fields. */
struct flow flow;
+ /* Flow at the last commit. */
+ struct flow base_flow;
+
+ /* Tunnel IP destination address as received. This is stored separately
+ * as the base_flow.tunnel is cleared on init to reflect the datapath
+ * behavior. Used to make sure not to send tunneled output to ourselves,
+ * which might lead to an infinite loop. This could happen easily
+ * if a tunnel is marked as 'ip_remote=flow', and the flow does not
+ * actually set the tun_dst field. */
+ ovs_be32 orig_tunnel_ip_dst;
+
+ /* stack for the push and pop actions.
+ * Each stack element is of the type "union mf_subvalue". */
+ struct ofpbuf stack;
+ union mf_subvalue init_stack[1024 / sizeof(union mf_subvalue)];
+
/* The packet corresponding to 'flow', or a null pointer if we are
* revalidating without a packet to refer to. */
const struct ofpbuf *packet;
int recurse; /* Recursion level, via xlate_table_action. */
bool max_resubmit_trigger; /* Recursed too deeply during translation. */
- struct flow base_flow; /* Flow at the last commit. */
uint32_t orig_skb_priority; /* Priority when packet arrived. */
uint8_t table_id; /* OpenFlow table ID where flow was found. */
uint32_t sflow_n_outputs; /* Number of output ports. */
uint32_t sflow_odp_port; /* Output port for composing sFlow action. */
uint16_t user_cookie_offset;/* Used for user_action_cookie fixup. */
bool exit; /* No further actions should be processed. */
- struct flow orig_flow; /* Copy of original flow. */
+};
+
+/* Initial values of fields of the packet that may be changed during
+ * flow processing and needed later. */
+struct initial_vals {
+ /* This is the value of vlan_tci in the packet as actually received from
+ * dpif. This is the same as the facet's flow.vlan_tci unless the packet
+ * was received via a VLAN splinter. In that case, this value is 0
+ * (because the packet as actually received from the dpif had no 802.1Q
+ * tag) but the facet's flow.vlan_tci is set to the VLAN that the splinter
+ * represents.
+ *
+ * This member should be removed when the VLAN splinters feature is no
+ * longer needed. */
+ ovs_be16 vlan_tci;
};
static void action_xlate_ctx_init(struct action_xlate_ctx *,
struct ofproto_dpif *, const struct flow *,
- ovs_be16 initial_tci, struct rule_dpif *,
+ const struct initial_vals *initial_vals,
+ struct rule_dpif *,
uint8_t tcp_flags, const struct ofpbuf *);
static void xlate_actions(struct action_xlate_ctx *,
const struct ofpact *ofpacts, size_t ofpacts_len,
static void xlate_actions_for_side_effects(struct action_xlate_ctx *,
const struct ofpact *ofpacts,
size_t ofpacts_len);
+static void xlate_table_action(struct action_xlate_ctx *, uint16_t in_port,
+ uint8_t table_id, bool may_packet_in);
static size_t put_userspace_action(const struct ofproto_dpif *,
struct ofpbuf *odp_actions,
const struct flow *,
- const union user_action_cookie *);
+ const union user_action_cookie *,
+ const size_t);
static void compose_slow_path(const struct ofproto_dpif *, const struct flow *,
enum slow_path_reason,
struct list list_node; /* In struct facet's 'facets' list. */
struct facet *facet; /* Owning facet. */
- /* Key.
- *
- * To save memory in the common case, 'key' is NULL if 'key_fitness' is
- * ODP_FIT_PERFECT, that is, odp_flow_key_from_flow() can accurately
- * regenerate the ODP flow key from ->facet->flow. */
enum odp_key_fitness key_fitness;
struct nlattr *key;
int key_len;
long long int used; /* Time last used; time created if not used. */
+ long long int created; /* Time created. */
uint64_t dp_packet_count; /* Last known packet count in the datapath. */
uint64_t dp_byte_count; /* Last known byte count in the datapath. */
enum slow_path_reason slow; /* 0 if fast path may be used. */
enum subfacet_path path; /* Installed in datapath? */
- /* This value is normally the same as ->facet->flow.vlan_tci. Only VLAN
- * splinters can cause it to differ. This value should be removed when
- * the VLAN splinters feature is no longer needed. */
- ovs_be16 initial_tci; /* Initial VLAN TCI value. */
+ /* Initial values of the packet that may be needed later. */
+ struct initial_vals initial_vals;
/* Datapath port the packet arrived on. This is needed to remove
* flows for ports that are no longer part of the bridge. Since the
long long int now);
static struct subfacet *subfacet_find(struct ofproto_dpif *,
const struct nlattr *key, size_t key_len,
- uint32_t key_hash,
- const struct flow *flow);
+ uint32_t key_hash);
static void subfacet_destroy(struct subfacet *);
static void subfacet_destroy__(struct subfacet *);
static void subfacet_destroy_batch(struct ofproto_dpif *,
struct subfacet **, int n);
-static void subfacet_get_key(struct subfacet *, struct odputil_keybuf *,
- struct ofpbuf *key);
static void subfacet_reset_dp_stats(struct subfacet *,
struct dpif_flow_stats *);
static void subfacet_update_time(struct subfacet *, long long int used);
/* Storage for a single subfacet, to reduce malloc() time and space
* overhead. (A facet always has at least one subfacet and in the common
- * case has exactly one subfacet.) */
+ * case has exactly one subfacet. However, 'one_subfacet' may not
+ * always be valid, since it could have been removed after newer
+ * subfacets were pushed onto the 'subfacets' list.) */
struct subfacet one_subfacet;
+
+ long long int learn_rl; /* Rate limiter for facet_learn(). */
};
static struct facet *facet_create(struct rule_dpif *,
static void facet_push_stats(struct facet *);
static void facet_learn(struct facet *);
static void facet_account(struct facet *);
+static void push_all_stats(void);
+
+static struct subfacet *facet_get_subfacet(struct facet *);
static bool facet_is_controller_flow(struct facet *);
struct ofbundle *bundle; /* Bundle that contains this port, if any. */
struct list bundle_node; /* In struct ofbundle's "ports" list. */
struct cfm *cfm; /* Connectivity Fault Management, if any. */
+ struct bfd *bfd; /* BFD, if any. */
tag_type tag; /* Tag associated with this port. */
- uint32_t bond_stable_id; /* stable_id to use as bond slave, or 0. */
bool may_enable; /* May be enabled in bonds. */
long long int carrier_seq; /* Carrier status changes. */
+ struct tnl_port *tnl_port; /* Tunnel handle, or null. */
/* Spanning tree. */
struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
static struct ofport_dpif *
ofport_dpif_cast(const struct ofport *ofport)
{
- ovs_assert(ofport->ofproto->ofproto_class == &ofproto_dpif_class);
return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
}
static void port_wait(struct ofport_dpif *);
static int set_cfm(struct ofport *, const struct cfm_settings *);
static void ofport_clear_priorities(struct ofport_dpif *);
+static void run_fast_rl(void);
struct dpif_completion {
struct list list_node;
COVERAGE_DEFINE(rev_flow_table);
COVERAGE_DEFINE(rev_inconsistency);
+/* Drop keys are odp flow keys which have drop flows installed in the kernel.
+ * These are datapath flows which have no associated ofproto, if they did we
+ * would use facets. */
+struct drop_key {
+ struct hmap_node hmap_node;
+ struct nlattr *key;
+ size_t key_len;
+};
+
/* All datapaths of a given type share a single dpif backer instance. */
struct dpif_backer {
char *type;
struct dpif *dpif;
struct timer next_expiration;
struct hmap odp_to_ofport_map; /* ODP port to ofport mapping. */
+
+ struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
+
+ /* Facet revalidation flags applying to facets which use this backer. */
+ enum revalidate_reason need_revalidate; /* Revalidate every facet. */
+ struct tag_set revalidate_set; /* Revalidate only matching facets. */
+
+ struct hmap drop_keys; /* Set of dropped odp keys. */
};
/* All existing ofproto_backer instances, indexed by ofproto->up.type. */
static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
+static void drop_key_clear(struct dpif_backer *);
static struct ofport_dpif *
odp_port_to_ofport(const struct dpif_backer *, uint32_t odp_port);
+static void dpif_stats_update_hit_count(struct ofproto_dpif *ofproto,
+ uint64_t delta);
+struct avg_subfacet_rates {
+ double add_rate; /* Moving average of new flows created per minute. */
+ double del_rate; /* Moving average of flows deleted per minute. */
+};
+static void show_dp_rates(struct ds *ds, const char *heading,
+ const struct avg_subfacet_rates *rates);
+static void exp_mavg(double *avg, int base, double new);
+
struct ofproto_dpif {
struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
struct ofproto up;
/* Bridging. */
struct netflow *netflow;
struct dpif_sflow *sflow;
+ struct dpif_ipfix *ipfix;
struct hmap bundles; /* Contains "struct ofbundle"s. */
struct mac_learning *ml;
struct ofmirror *mirrors[MAX_MIRRORS];
struct hmap facets;
struct hmap subfacets;
struct governor *governor;
+ long long int consistency_rl;
/* Revalidation. */
struct table_dpif tables[N_TABLES];
- enum revalidate_reason need_revalidate;
- struct tag_set revalidate_set;
/* Support for debugging async flow mods. */
struct list completions;
struct hmap vlandev_map; /* vlandev -> (realdev,vid). */
/* Ports. */
- struct sset ports; /* Set of port names. */
+ struct sset ports; /* Set of standard port names. */
+ struct sset ghost_ports; /* Ports with no datapath port. */
struct sset port_poll_set; /* Queued names for port_poll() reply. */
int port_poll_errno; /* Last errno for port_poll() reply. */
+
+ /* Per ofproto's dpif stats. */
+ uint64_t n_hit;
+ uint64_t n_missed;
+
+ /* Subfacet statistics.
+ *
+ * These keep track of the total number of subfacets added and deleted and
+ * flow life span. They are useful for computing the flow rates stats
+ * exposed via "ovs-appctl dpif/show". The goal is to learn about
+ * traffic patterns in ways that we can use later to improve Open vSwitch
+ * performance in new situations. */
+ long long int created; /* Time when it is created. */
+ unsigned int max_n_subfacet; /* Maximum number of flows */
+
+ /* The average number of subfacets... */
+ struct avg_subfacet_rates hourly; /* ...over the last hour. */
+ struct avg_subfacet_rates daily; /* ...over the last day. */
+ long long int last_minute; /* Last time 'hourly' was updated. */
+
+ /* Number of subfacets added or deleted since 'last_minute'. */
+ unsigned int subfacet_add_count;
+ unsigned int subfacet_del_count;
+
+ /* Number of subfacets added or deleted from 'created' to 'last_minute.' */
+ unsigned long long int total_subfacet_add_count;
+ unsigned long long int total_subfacet_del_count;
+
+ /* Sum of the number of milliseconds that each subfacet existed,
+ * over the subfacets that have been added and then later deleted. */
+ unsigned long long int total_subfacet_life_span;
+
+ /* Incremented by the number of currently existing subfacets, each
+ * time we pull statistics from the kernel. */
+ unsigned long long int total_subfacet_count;
+
+ /* Number of times we pull statistics from the kernel. */
+ unsigned long long int n_update_stats;
};
+static unsigned long long int avg_subfacet_life_span(
+ const struct ofproto_dpif *);
+static double avg_subfacet_count(const struct ofproto_dpif *ofproto);
+static void update_moving_averages(struct ofproto_dpif *ofproto);
+static void dpif_stats_update_hit_count(struct ofproto_dpif *ofproto,
+ uint64_t delta);
+static void update_max_subfacet_count(struct ofproto_dpif *ofproto);
/* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only
* for debugging the asynchronous flow_mod implementation.) */
static struct ofport_dpif *get_odp_port(const struct ofproto_dpif *,
uint32_t odp_port);
static void ofproto_trace(struct ofproto_dpif *, const struct flow *,
- const struct ofpbuf *, ovs_be16 initial_tci,
- struct ds *);
+ const struct ofpbuf *,
+ const struct initial_vals *, struct ds *);
/* Packet processing. */
static void update_learning_table(struct ofproto_dpif *,
static size_t compose_sflow_action(const struct ofproto_dpif *,
struct ofpbuf *odp_actions,
const struct flow *, uint32_t odp_port);
+static void compose_ipfix_action(const struct ofproto_dpif *,
+ struct ofpbuf *odp_actions,
+ const struct flow *);
static void add_mirror_actions(struct action_xlate_ctx *ctx,
const struct flow *flow);
/* Global variables. */
static int
type_run(const char *type)
{
+ static long long int push_timer = LLONG_MIN;
struct dpif_backer *backer;
char *devname;
int error;
dpif_run(backer->dpif);
+ /* The most natural place to push facet statistics is when they're pulled
+ * from the datapath. However, when there are many flows in the datapath,
+ * this expensive operation can occur so frequently, that it reduces our
+ * ability to quickly set up flows. To reduce the cost, we push statistics
+ * here instead. */
+ if (time_msec() > push_timer) {
+ push_timer = time_msec() + 2000;
+ push_all_stats();
+ }
+
+ if (backer->need_revalidate
+ || !tag_set_is_empty(&backer->revalidate_set)) {
+ struct tag_set revalidate_set = backer->revalidate_set;
+ bool need_revalidate = backer->need_revalidate;
+ struct ofproto_dpif *ofproto;
+ struct simap_node *node;
+ struct simap tmp_backers;
+
+ /* Handle tunnel garbage collection. */
+ simap_init(&tmp_backers);
+ simap_swap(&backer->tnl_backers, &tmp_backers);
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ struct ofport_dpif *iter;
+
+ if (backer != ofproto->backer) {
+ continue;
+ }
+
+ HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
+ const char *dp_port;
+
+ if (!iter->tnl_port) {
+ continue;
+ }
+
+ dp_port = netdev_vport_get_dpif_port(iter->up.netdev);
+ node = simap_find(&tmp_backers, dp_port);
+ if (node) {
+ simap_put(&backer->tnl_backers, dp_port, node->data);
+ simap_delete(&tmp_backers, node);
+ node = simap_find(&backer->tnl_backers, dp_port);
+ } else {
+ node = simap_find(&backer->tnl_backers, dp_port);
+ if (!node) {
+ uint32_t odp_port = UINT32_MAX;
+
+ if (!dpif_port_add(backer->dpif, iter->up.netdev,
+ &odp_port)) {
+ simap_put(&backer->tnl_backers, dp_port, odp_port);
+ node = simap_find(&backer->tnl_backers, dp_port);
+ }
+ }
+ }
+
+ iter->odp_port = node ? node->data : OVSP_NONE;
+ if (tnl_port_reconfigure(&iter->up, iter->odp_port,
+ &iter->tnl_port)) {
+ backer->need_revalidate = REV_RECONFIGURE;
+ }
+ }
+ }
+
+ SIMAP_FOR_EACH (node, &tmp_backers) {
+ dpif_port_del(backer->dpif, node->data);
+ }
+ simap_destroy(&tmp_backers);
+
+ switch (backer->need_revalidate) {
+ case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
+ case REV_STP: COVERAGE_INC(rev_stp); break;
+ case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
+ case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
+ case REV_INCONSISTENCY: COVERAGE_INC(rev_inconsistency); break;
+ }
+
+ if (backer->need_revalidate) {
+ /* Clear the drop_keys in case we should now be accepting some
+ * formerly dropped flows. */
+ drop_key_clear(backer);
+ }
+
+ /* Clear the revalidation flags. */
+ tag_set_init(&backer->revalidate_set);
+ backer->need_revalidate = 0;
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ struct facet *facet, *next;
+
+ if (ofproto->backer != backer) {
+ continue;
+ }
+
+ HMAP_FOR_EACH_SAFE (facet, next, hmap_node, &ofproto->facets) {
+ if (need_revalidate
+ || tag_set_intersects(&revalidate_set, facet->tags)) {
+ facet_revalidate(facet);
+ run_fast_rl();
+ }
+ }
+ }
+ }
+
if (timer_expired(&backer->next_expiration)) {
int delay = expire(backer);
timer_set_duration(&backer->next_expiration, delay);
goto next;
}
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
+ &all_ofproto_dpifs) {
+ if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
+ goto next;
+ }
+ }
+
ofproto = lookup_ofproto_dpif_by_port_name(devname);
if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
/* The port was removed. If we know the datapath,
}
static int
-type_run_fast(const char *type)
+dpif_backer_run_fast(struct dpif_backer *backer, int max_batch)
{
- struct dpif_backer *backer;
unsigned int work;
- backer = shash_find_data(&all_dpif_backers, type);
- if (!backer) {
- /* This is not necessarily a problem, since backers are only
- * created on demand. */
- return 0;
- }
-
/* Handle one or more batches of upcalls, until there's nothing left to do
* or until we do a fixed total amount of work.
*
* optimizations can make major improvements on some benchmarks and
* presumably for real traffic as well. */
work = 0;
- while (work < FLOW_MISS_MAX_BATCH) {
- int retval = handle_upcalls(backer, FLOW_MISS_MAX_BATCH - work);
+ while (work < max_batch) {
+ int retval = handle_upcalls(backer, max_batch - work);
if (retval <= 0) {
return -retval;
}
return 0;
}
+static int
+type_run_fast(const char *type)
+{
+ struct dpif_backer *backer;
+
+ backer = shash_find_data(&all_dpif_backers, type);
+ if (!backer) {
+ /* This is not necessarily a problem, since backers are only
+ * created on demand. */
+ return 0;
+ }
+
+ return dpif_backer_run_fast(backer, FLOW_MISS_MAX_BATCH);
+}
+
+static void
+run_fast_rl(void)
+{
+ static long long int port_rl = LLONG_MIN;
+ static unsigned int backer_rl = 0;
+
+ if (time_msec() >= port_rl) {
+ struct ofproto_dpif *ofproto;
+ struct ofport_dpif *ofport;
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+
+ HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
+ port_run_fast(ofport);
+ }
+ }
+ port_rl = time_msec() + 200;
+ }
+
+ /* XXX: We have to be careful not to do too much work in this function. If
+ * we call dpif_backer_run_fast() too often, or with too large a batch,
+ * performance improves signifcantly, but at a cost. It's possible for the
+ * number of flows in the datapath to increase without bound, and for poll
+ * loops to take 10s of seconds. The correct solution to this problem,
+ * long term, is to separate flow miss handling into it's own thread so it
+ * isn't affected by revalidations, and expirations. Until then, this is
+ * the best we can do. */
+ if (++backer_rl >= 10) {
+ struct shash_node *node;
+
+ backer_rl = 0;
+ SHASH_FOR_EACH (node, &all_dpif_backers) {
+ dpif_backer_run_fast(node->data, 1);
+ }
+ }
+}
+
static void
type_wait(const char *type)
{
return;
}
+ drop_key_clear(backer);
+ hmap_destroy(&backer->drop_keys);
+
+ simap_destroy(&backer->tnl_backers);
hmap_destroy(&backer->odp_to_ofport_map);
node = shash_find(&all_dpif_backers, backer->type);
free(backer->type);
if (error) {
VLOG_ERR("failed to open datapath of type %s: %s", type,
strerror(error));
+ free(backer);
return error;
}
backer->type = xstrdup(type);
backer->refcount = 1;
hmap_init(&backer->odp_to_ofport_map);
+ hmap_init(&backer->drop_keys);
timer_set_duration(&backer->next_expiration, 1000);
+ backer->need_revalidate = 0;
+ simap_init(&backer->tnl_backers);
+ tag_set_init(&backer->revalidate_set);
*backerp = backer;
dpif_flow_flush(backer->dpif);
ofproto->netflow = NULL;
ofproto->sflow = NULL;
+ ofproto->ipfix = NULL;
ofproto->stp = NULL;
hmap_init(&ofproto->bundles);
ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
hmap_init(&ofproto->facets);
hmap_init(&ofproto->subfacets);
ofproto->governor = NULL;
+ ofproto->consistency_rl = LLONG_MIN;
for (i = 0; i < N_TABLES; i++) {
struct table_dpif *table = &ofproto->tables[i];
table->other_table = NULL;
table->basis = random_uint32();
}
- ofproto->need_revalidate = 0;
- tag_set_init(&ofproto->revalidate_set);
list_init(&ofproto->completions);
hmap_init(&ofproto->realdev_vid_map);
sset_init(&ofproto->ports);
+ sset_init(&ofproto->ghost_ports);
sset_init(&ofproto->port_poll_set);
ofproto->port_poll_errno = 0;
error = add_internal_flows(ofproto);
ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
+ ofproto->n_hit = 0;
+ ofproto->n_missed = 0;
+
+ ofproto->max_n_subfacet = 0;
+ ofproto->created = time_msec();
+ ofproto->last_minute = ofproto->created;
+ memset(&ofproto->hourly, 0, sizeof ofproto->hourly);
+ memset(&ofproto->daily, 0, sizeof ofproto->daily);
+ ofproto->subfacet_add_count = 0;
+ ofproto->subfacet_del_count = 0;
+ ofproto->total_subfacet_add_count = 0;
+ ofproto->total_subfacet_del_count = 0;
+ ofproto->total_subfacet_life_span = 0;
+ ofproto->total_subfacet_count = 0;
+ ofproto->n_update_stats = 0;
+
return error;
}
hmap_destroy(&ofproto->realdev_vid_map);
sset_destroy(&ofproto->ports);
+ sset_destroy(&ofproto->ghost_ports);
sset_destroy(&ofproto->port_poll_set);
close_dpif_backer(ofproto->backer);
}
stp_run(ofproto);
- mac_learning_run(ofproto->ml, &ofproto->revalidate_set);
-
- /* Now revalidate if there's anything to do. */
- if (ofproto->need_revalidate
- || !tag_set_is_empty(&ofproto->revalidate_set)) {
- struct tag_set revalidate_set = ofproto->revalidate_set;
- bool revalidate_all = ofproto->need_revalidate;
- struct facet *facet;
-
- switch (ofproto->need_revalidate) {
- case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
- case REV_STP: COVERAGE_INC(rev_stp); break;
- case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
- case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
- case REV_INCONSISTENCY: COVERAGE_INC(rev_inconsistency); break;
- }
-
- /* Clear the revalidation flags. */
- tag_set_init(&ofproto->revalidate_set);
- ofproto->need_revalidate = 0;
-
- HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
- if (revalidate_all
- || tag_set_intersects(&revalidate_set, facet->tags)) {
- facet_revalidate(facet);
- }
- }
- }
+ mac_learning_run(ofproto->ml, &ofproto->backer->revalidate_set);
/* Check the consistency of a random facet, to aid debugging. */
- if (!hmap_is_empty(&ofproto->facets) && !ofproto->need_revalidate) {
+ if (time_msec() >= ofproto->consistency_rl
+ && !hmap_is_empty(&ofproto->facets)
+ && !ofproto->backer->need_revalidate) {
struct facet *facet;
+ ofproto->consistency_rl = time_msec() + 250;
+
facet = CONTAINER_OF(hmap_random_node(&ofproto->facets),
struct facet, hmap_node);
- if (!tag_set_intersects(&ofproto->revalidate_set, facet->tags)) {
+ if (!tag_set_intersects(&ofproto->backer->revalidate_set,
+ facet->tags)) {
if (!facet_check_consistency(facet)) {
- ofproto->need_revalidate = REV_INCONSISTENCY;
+ ofproto->backer->need_revalidate = REV_INCONSISTENCY;
}
}
}
if (ofproto->sflow) {
dpif_sflow_wait(ofproto->sflow);
}
- if (!tag_set_is_empty(&ofproto->revalidate_set)) {
+ if (!tag_set_is_empty(&ofproto->backer->revalidate_set)) {
poll_immediate_wake();
}
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
}
mac_learning_wait(ofproto->ml);
stp_wait(ofproto);
- if (ofproto->need_revalidate) {
+ if (ofproto->backer->need_revalidate) {
/* Shouldn't happen, but if it does just go around again. */
VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
poll_immediate_wake();
{
struct ofport_dpif *port = ofport_dpif_cast(port_);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
+ const struct netdev *netdev = port->up.netdev;
struct dpif_port dpif_port;
int error;
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
port->bundle = NULL;
port->cfm = NULL;
+ port->bfd = NULL;
port->tag = tag_create_random();
port->may_enable = true;
port->stp_port = NULL;
port->stp_state = STP_DISABLED;
+ port->tnl_port = NULL;
hmap_init(&port->priorities);
port->realdev_ofp_port = 0;
port->vlandev_vid = 0;
- port->carrier_seq = netdev_get_carrier_resets(port->up.netdev);
+ port->carrier_seq = netdev_get_carrier_resets(netdev);
+
+ if (netdev_vport_is_patch(netdev)) {
+ /* By bailing out here, we don't submit the port to the sFlow module
+ * to be considered for counter polling export. This is correct
+ * because the patch port represents an interface that sFlow considers
+ * to be "internal" to the switch as a whole, and therefore not an
+ * candidate for counter polling. */
+ port->odp_port = OVSP_NONE;
+ return 0;
+ }
error = dpif_port_query_by_name(ofproto->backer->dpif,
- netdev_get_name(port->up.netdev),
+ netdev_vport_get_dpif_port(netdev),
&dpif_port);
if (error) {
return error;
port->odp_port = dpif_port.port_no;
- /* Sanity-check that a mapping doesn't already exist. This
- * shouldn't happen. */
- if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
- VLOG_ERR("port %s already has an OpenFlow port number\n",
- dpif_port.name);
- return EBUSY;
- }
+ if (netdev_get_tunnel_config(netdev)) {
+ port->tnl_port = tnl_port_add(&port->up, port->odp_port);
+ } else {
+ /* Sanity-check that a mapping doesn't already exist. This
+ * shouldn't happen for non-tunnel ports. */
+ if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
+ VLOG_ERR("port %s already has an OpenFlow port number",
+ dpif_port.name);
+ dpif_port_destroy(&dpif_port);
+ return EBUSY;
+ }
- hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
- hash_int(port->odp_port, 0));
+ hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
+ hash_int(port->odp_port, 0));
+ }
+ dpif_port_destroy(&dpif_port);
if (ofproto->sflow) {
dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
{
struct ofport_dpif *port = ofport_dpif_cast(port_);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
+ const char *dp_port_name = netdev_vport_get_dpif_port(port->up.netdev);
const char *devname = netdev_get_name(port->up.netdev);
- if (dpif_port_exists(ofproto->backer->dpif, devname)) {
+ if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
/* The underlying device is still there, so delete it. This
* happens when the ofproto is being destroyed, since the caller
* assumes that removal of attached ports will happen as part of
* destruction. */
- dpif_port_del(ofproto->backer->dpif, port->odp_port);
+ if (!port->tnl_port) {
+ dpif_port_del(ofproto->backer->dpif, port->odp_port);
+ }
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
+ if (port->odp_port != OVSP_NONE && !port->tnl_port) {
+ hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
+ }
+
+ tnl_port_del(port->tnl_port);
sset_find_and_delete(&ofproto->ports, devname);
- hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ sset_find_and_delete(&ofproto->ghost_ports, devname);
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
bundle_remove(port_);
set_cfm(port_, NULL);
if (ofproto->sflow) {
if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
OFPUTIL_PC_NO_PACKET_IN)) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
bundle_update(port->bundle);
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
}
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
dpif_sflow_set_options(ds, sflow_options);
} else {
if (ds) {
dpif_sflow_destroy(ds);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
ofproto->sflow = NULL;
}
}
return 0;
}
+static int
+set_ipfix(
+ struct ofproto *ofproto_,
+ const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
+ const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
+ size_t n_flow_exporters_options)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ struct dpif_ipfix *di = ofproto->ipfix;
+
+ if (bridge_exporter_options || flow_exporters_options) {
+ if (!di) {
+ di = ofproto->ipfix = dpif_ipfix_create();
+ }
+ dpif_ipfix_set_options(
+ di, bridge_exporter_options, flow_exporters_options,
+ n_flow_exporters_options);
+ } else {
+ if (di) {
+ dpif_ipfix_destroy(di);
+ ofproto->ipfix = NULL;
+ }
+ }
+ return 0;
+}
+
static int
set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
{
struct ofproto_dpif *ofproto;
ofproto = ofproto_dpif_cast(ofport->up.ofproto);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
ofport->cfm = cfm_create(netdev_get_name(ofport->up.netdev));
}
return error;
}
-static int
-get_cfm_fault(const struct ofport *ofport_)
+static bool
+get_cfm_status(const struct ofport *ofport_,
+ struct ofproto_cfm_status *status)
{
struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
- return ofport->cfm ? cfm_get_fault(ofport->cfm) : -1;
+ if (ofport->cfm) {
+ status->faults = cfm_get_fault(ofport->cfm);
+ status->remote_opstate = cfm_get_opup(ofport->cfm);
+ status->health = cfm_get_health(ofport->cfm);
+ cfm_get_remote_mpids(ofport->cfm, &status->rmps, &status->n_rmps);
+ return true;
+ } else {
+ return false;
+ }
}
static int
-get_cfm_opup(const struct ofport *ofport_)
+set_bfd(struct ofport *ofport_, const struct smap *cfg)
{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ struct bfd *old;
+
+ old = ofport->bfd;
+ ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev), cfg);
+ if (ofport->bfd != old) {
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
+ }
- return ofport->cfm ? cfm_get_opup(ofport->cfm) : -1;
+ return 0;
}
static int
-get_cfm_remote_mpids(const struct ofport *ofport_, const uint64_t **rmps,
- size_t *n_rmps)
+get_bfd_status(struct ofport *ofport_, struct smap *smap)
{
struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
- if (ofport->cfm) {
- cfm_get_remote_mpids(ofport->cfm, rmps, n_rmps);
+ if (ofport->bfd) {
+ bfd_get_status(ofport->bfd, smap);
return 0;
} else {
- return -1;
+ return ENOENT;
}
}
-
-static int
-get_cfm_health(const struct ofport *ofport_)
-{
- struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
-
- return ofport->cfm ? cfm_get_health(ofport->cfm) : -1;
-}
\f
/* Spanning Tree. */
/* Only revalidate flows if the configuration changed. */
if (!s != !ofproto->stp) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
if (s) {
if (stp_learn_in_state(ofport->stp_state)
!= stp_learn_in_state(state)) {
/* xxx Learning action flows should also be flushed. */
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml,
+ &ofproto->backer->revalidate_set);
}
fwd_change = stp_forward_in_state(ofport->stp_state)
!= stp_forward_in_state(state);
- ofproto->need_revalidate = REV_STP;
+ ofproto->backer->need_revalidate = REV_STP;
ofport->stp_state = state;
ofport->stp_state_entered = time_msec();
}
if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
}
}
}
pdscp = xmalloc(sizeof *pdscp);
pdscp->priority = priority;
pdscp->dscp = dscp;
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
if (pdscp->dscp != dscp) {
pdscp->dscp = dscp;
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
hmap_insert(&new, &pdscp->hmap_node, hash_int(pdscp->priority, 0));
if (!hmap_is_empty(&ofport->priorities)) {
ofport_clear_priorities(ofport);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
hmap_swap(&new, &ofport->priorities);
struct mac_learning *ml = ofproto->ml;
struct mac_entry *mac, *next_mac;
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
if (mac->port.p == bundle) {
if (all_ofprotos) {
e = mac_learning_lookup(o->ml, mac->mac, mac->vlan,
NULL);
if (e) {
- tag_set_add(&o->revalidate_set, e->tag);
mac_learning_expire(o->ml, e);
}
}
{
struct ofbundle *bundle = port->bundle;
- bundle->ofproto->need_revalidate = REV_RECONFIGURE;
+ bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
list_remove(&port->bundle_node);
port->bundle = NULL;
static bool
bundle_add_port(struct ofbundle *bundle, uint32_t ofp_port,
- struct lacp_slave_settings *lacp,
- uint32_t bond_stable_id)
+ struct lacp_slave_settings *lacp)
{
struct ofport_dpif *port;
}
if (port->bundle != bundle) {
- bundle->ofproto->need_revalidate = REV_RECONFIGURE;
+ bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
if (port->bundle) {
bundle_del_port(port);
}
}
}
if (lacp) {
- port->bundle->ofproto->need_revalidate = REV_RECONFIGURE;
+ bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
lacp_slave_register(bundle->lacp, port, lacp);
}
- port->bond_stable_id = bond_stable_id;
-
return true;
}
mirror_destroy(m);
} else if (hmapx_find_and_delete(&m->srcs, bundle)
|| hmapx_find_and_delete(&m->dsts, bundle)) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
}
}
/* LACP. */
if (s->lacp) {
if (!bundle->lacp) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
bundle->lacp = lacp_create();
}
lacp_configure(bundle->lacp, s->lacp);
ok = true;
for (i = 0; i < s->n_slaves; i++) {
if (!bundle_add_port(bundle, s->slaves[i],
- s->lacp ? &s->lacp_slaves[i] : NULL,
- s->bond_stable_ids ? s->bond_stable_ids[i] : 0)) {
+ s->lacp ? &s->lacp_slaves[i] : NULL)) {
ok = false;
}
}
bundle->ofproto->has_bonded_bundles = true;
if (bundle->bond) {
if (bond_reconfigure(bundle->bond, s->bond)) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
} else {
bundle->bond = bond_create(s->bond);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
- bond_slave_register(bundle->bond, port, port->bond_stable_id,
- port->up.netdev);
+ bond_slave_register(bundle->bond, port, port->up.netdev);
}
} else {
bond_destroy(bundle->bond);
bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
}
- bond_run(bundle->bond, &bundle->ofproto->revalidate_set,
+ bond_run(bundle->bond, &bundle->ofproto->backer->revalidate_set,
lacp_status(bundle->lacp));
if (bond_should_send_learning_packets(bundle->bond)) {
bundle_send_learning_packets(bundle);
}
}
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
ofproto->has_mirrors = true;
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml,
+ &ofproto->backer->revalidate_set);
mirror_update_dups(ofproto);
return 0;
}
ofproto = mirror->ofproto;
- ofproto->need_revalidate = REV_RECONFIGURE;
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ 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) {
return 0;
}
+ push_all_stats();
+
*packets = mirror->packet_count;
*bytes = mirror->byte_count;
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
}
return 0;
}
forward_bpdu_changed(struct ofproto *ofproto_)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
}
static void
ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
}
+static struct ofport_dpif *
+ofport_get_peer(const struct ofport_dpif *ofport_dpif)
+{
+ const struct ofproto_dpif *ofproto;
+ const char *peer;
+
+ peer = netdev_vport_patch_peer(ofport_dpif->up.netdev);
+ if (!peer) {
+ return NULL;
+ }
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ struct ofport *ofport;
+
+ ofport = shash_find_data(&ofproto->up.port_by_name, peer);
+ if (ofport && ofport->ofproto->ofproto_class == &ofproto_dpif_class) {
+ return ofport_dpif_cast(ofport);
+ }
+ }
+ return NULL;
+}
+
static void
port_run_fast(struct ofport_dpif *ofport)
{
send_packet(ofport, &packet);
ofpbuf_uninit(&packet);
}
+
+ if (ofport->bfd && bfd_should_send_packet(ofport->bfd)) {
+ struct ofpbuf packet;
+
+ ofpbuf_init(&packet, 0);
+ bfd_put_packet(ofport->bfd, &packet, ofport->up.pp.hw_addr);
+ send_packet(ofport, &packet);
+ ofpbuf_uninit(&packet);
+ }
}
static void
ofport->carrier_seq = carrier_seq;
port_run_fast(ofport);
+
+ if (ofport->tnl_port
+ && tnl_port_reconfigure(&ofport->up, ofport->odp_port,
+ &ofport->tnl_port)) {
+ ofproto_dpif_cast(ofport->up.ofproto)->backer->need_revalidate = true;
+ }
+
if (ofport->cfm) {
int cfm_opup = cfm_get_opup(ofport->cfm);
}
}
+ if (ofport->bfd) {
+ bfd_run(ofport->bfd);
+ enable = enable && bfd_forwarding(ofport->bfd);
+ }
+
if (ofport->bundle) {
enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
if (carrier_changed) {
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
if (ofproto->has_bundle_action) {
- ofproto->need_revalidate = REV_PORT_TOGGLED;
+ ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
}
}
if (ofport->cfm) {
cfm_wait(ofport->cfm);
}
+
+ if (ofport->bfd) {
+ bfd_wait(ofport->bfd);
+ }
}
static int
struct dpif_port dpif_port;
int error;
+ if (sset_contains(&ofproto->ghost_ports, devname)) {
+ const char *type = netdev_get_type_from_name(devname);
+
+ /* We may be called before ofproto->up.port_by_name is populated with
+ * the appropriate ofport. For this reason, we must get the name and
+ * type from the netdev layer directly. */
+ if (type) {
+ const struct ofport *ofport;
+
+ ofport = shash_find_data(&ofproto->up.port_by_name, devname);
+ ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
+ ofproto_port->name = xstrdup(devname);
+ ofproto_port->type = xstrdup(type);
+ return 0;
+ }
+ return ENODEV;
+ }
+
if (!sset_contains(&ofproto->ports, devname)) {
return ENODEV;
}
port_add(struct ofproto *ofproto_, struct netdev *netdev)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- uint32_t odp_port = UINT32_MAX;
- int error;
+ const char *dp_port_name = netdev_vport_get_dpif_port(netdev);
+ const char *devname = netdev_get_name(netdev);
- error = dpif_port_add(ofproto->backer->dpif, netdev, &odp_port);
- if (!error) {
- sset_add(&ofproto->ports, netdev_get_name(netdev));
+ if (netdev_vport_is_patch(netdev)) {
+ sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
+ return 0;
}
- return error;
+
+ if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
+ uint32_t port_no = UINT32_MAX;
+ int error;
+
+ error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
+ if (error) {
+ return error;
+ }
+ if (netdev_get_tunnel_config(netdev)) {
+ simap_put(&ofproto->backer->tnl_backers, dp_port_name, port_no);
+ }
+ }
+
+ if (netdev_get_tunnel_config(netdev)) {
+ sset_add(&ofproto->ghost_ports, devname);
+ } else {
+ sset_add(&ofproto->ports, devname);
+ }
+ return 0;
}
static int
port_del(struct ofproto *ofproto_, uint16_t ofp_port)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- uint32_t odp_port = ofp_port_to_odp_port(ofproto, ofp_port);
+ struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
int error = 0;
- if (odp_port != OFPP_NONE) {
- error = dpif_port_del(ofproto->backer->dpif, odp_port);
+ if (!ofport) {
+ return 0;
}
- if (!error) {
- struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
- if (ofport) {
+
+ sset_find_and_delete(&ofproto->ghost_ports,
+ netdev_get_name(ofport->up.netdev));
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
+ if (!ofport->tnl_port) {
+ error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
+ if (!error) {
/* The caller is going to close ofport->up.netdev. If this is a
* bonded port, then the bond is using that netdev, so remove it
* from the bond. The client will need to reconfigure everything
struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
int error;
+ push_all_stats();
+
error = netdev_get_stats(ofport->up.netdev, stats);
if (!error && ofport_->ofp_port == OFPP_LOCAL) {
return error;
}
-/* Account packets for LOCAL port. */
-static void
-ofproto_update_local_port_stats(const struct ofproto *ofproto_,
- size_t tx_size, size_t rx_size)
-{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
-
- if (rx_size) {
- ofproto->stats.rx_packets++;
- ofproto->stats.rx_bytes += rx_size;
- }
- if (tx_size) {
- ofproto->stats.tx_packets++;
- ofproto->stats.tx_bytes += tx_size;
- }
-}
-
struct port_dump_state {
uint32_t bucket;
uint32_t offset;
+ bool ghost;
+
+ struct ofproto_port port;
+ bool has_port;
};
static int
port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
{
- struct port_dump_state *state;
-
- *statep = state = xmalloc(sizeof *state);
- state->bucket = 0;
- state->offset = 0;
+ *statep = xzalloc(sizeof(struct port_dump_state));
return 0;
}
static int
-port_dump_next(const struct ofproto *ofproto_ OVS_UNUSED, void *state_,
+port_dump_next(const struct ofproto *ofproto_, void *state_,
struct ofproto_port *port)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct port_dump_state *state = state_;
+ const struct sset *sset;
struct sset_node *node;
- while ((node = sset_at_position(&ofproto->ports, &state->bucket,
- &state->offset))) {
+ if (state->has_port) {
+ ofproto_port_destroy(&state->port);
+ state->has_port = false;
+ }
+ sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
+ while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
int error;
- error = port_query_by_name(ofproto_, node->name, port);
- if (error != ENODEV) {
+ error = port_query_by_name(ofproto_, node->name, &state->port);
+ if (!error) {
+ *port = state->port;
+ state->has_port = true;
+ return 0;
+ } else if (error != ENODEV) {
return error;
}
}
+ if (!state->ghost) {
+ state->ghost = true;
+ state->bucket = 0;
+ state->offset = 0;
+ return port_dump_next(ofproto_, state_, port);
+ }
+
return EOF;
}
{
struct port_dump_state *state = state_;
+ if (state->has_port) {
+ ofproto_port_destroy(&state->port);
+ }
free(state);
return 0;
}
enum odp_key_fitness key_fitness;
const struct nlattr *key;
size_t key_len;
- ovs_be16 initial_tci;
+ struct initial_vals initial_vals;
struct list packets;
enum dpif_upcall_type upcall_type;
uint32_t odp_in_port;
struct flow_miss_op {
struct dpif_op dpif_op;
- struct subfacet *subfacet; /* Subfacet */
void *garbage; /* Pointer to pass to free(), NULL if none. */
uint64_t stub[1024 / 8]; /* Temporary buffer. */
};
static enum slow_path_reason
process_special(struct ofproto_dpif *ofproto, const struct flow *flow,
- const struct ofpbuf *packet)
+ const struct ofport_dpif *ofport, const struct ofpbuf *packet)
{
- struct ofport_dpif *ofport = get_ofp_port(ofproto, flow->in_port);
-
if (!ofport) {
return 0;
- }
-
- if (ofport->cfm && cfm_should_process_flow(ofport->cfm, flow)) {
+ } else if (ofport->cfm && cfm_should_process_flow(ofport->cfm, flow)) {
if (packet) {
cfm_process_heartbeat(ofport->cfm, packet);
}
return SLOW_CFM;
+ } else if (ofport->bfd && bfd_should_process_flow(flow)) {
+ if (packet) {
+ bfd_process_packet(ofport->bfd, flow, packet);
+ }
+ return SLOW_BFD;
} else if (ofport->bundle && ofport->bundle->lacp
&& flow->dl_type == htons(ETH_TYPE_LACP)) {
if (packet) {
stp_process_packet(ofport, packet);
}
return SLOW_STP;
+ } else {
+ return 0;
}
- return 0;
}
static struct flow_miss *
-flow_miss_find(struct hmap *todo, const struct flow *flow, uint32_t hash)
+flow_miss_find(struct hmap *todo, const struct ofproto_dpif *ofproto,
+ const struct flow *flow, uint32_t hash)
{
struct flow_miss *miss;
HMAP_FOR_EACH_WITH_HASH (miss, hmap_node, hash, todo) {
- if (flow_equal(&miss->flow, flow)) {
+ if (miss->ofproto == ofproto && flow_equal(&miss->flow, flow)) {
return miss;
}
}
init_flow_miss_execute_op(struct flow_miss *miss, struct ofpbuf *packet,
struct flow_miss_op *op)
{
- if (miss->flow.vlan_tci != miss->initial_tci) {
+ if (miss->flow.vlan_tci != miss->initial_vals.vlan_tci) {
/* This packet was received on a VLAN splinter port. We
* added a VLAN to the packet to make the packet resemble
* the flow, but the actions were composed assuming that
eth_pop_vlan(packet);
}
- op->subfacet = NULL;
op->garbage = NULL;
op->dpif_op.type = DPIF_OP_EXECUTE;
op->dpif_op.u.execute.key = miss->key;
dpif_flow_stats_extract(&miss->flow, packet, now, &stats);
rule_credit_stats(rule, &stats);
- action_xlate_ctx_init(&ctx, ofproto, &miss->flow, miss->initial_tci,
- rule, 0, packet);
+ action_xlate_ctx_init(&ctx, ofproto, &miss->flow,
+ &miss->initial_vals, rule, 0, packet);
ctx.resubmit_stats = &stats;
xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len,
&odp_actions);
struct dpif_execute *execute = &op->dpif_op.u.execute;
init_flow_miss_execute_op(miss, packet, op);
- op->subfacet = subfacet;
if (!subfacet->slow) {
execute->actions = subfacet->actions;
execute->actions_len = subfacet->actions_len;
struct flow_miss_op *op = &ops[(*n_ops)++];
struct dpif_flow_put *put = &op->dpif_op.u.flow_put;
- op->subfacet = subfacet;
+ subfacet->path = want_path;
+
op->garbage = NULL;
op->dpif_op.type = DPIF_OP_FLOW_PUT;
put->flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
handle_flow_miss_with_facet(miss, facet, now, ops, n_ops);
}
-/* Given a datpath, packet, and flow metadata ('backer', 'packet', and 'key'
- * respectively), populates 'flow' with the result of odp_flow_key_to_flow().
- * Optionally, if nonnull, populates 'fitnessp' with the fitness of 'flow' as
- * returned by odp_flow_key_to_flow(). Also, optionally populates 'ofproto'
+static struct drop_key *
+drop_key_lookup(const struct dpif_backer *backer, const struct nlattr *key,
+ size_t key_len)
+{
+ struct drop_key *drop_key;
+
+ HMAP_FOR_EACH_WITH_HASH (drop_key, hmap_node, hash_bytes(key, key_len, 0),
+ &backer->drop_keys) {
+ if (drop_key->key_len == key_len
+ && !memcmp(drop_key->key, key, key_len)) {
+ return drop_key;
+ }
+ }
+ return NULL;
+}
+
+static void
+drop_key_clear(struct dpif_backer *backer)
+{
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 15);
+ struct drop_key *drop_key, *next;
+
+ HMAP_FOR_EACH_SAFE (drop_key, next, hmap_node, &backer->drop_keys) {
+ int error;
+
+ error = dpif_flow_del(backer->dpif, drop_key->key, drop_key->key_len,
+ NULL);
+ 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));
+ ds_destroy(&ds);
+ }
+
+ hmap_remove(&backer->drop_keys, &drop_key->hmap_node);
+ free(drop_key->key);
+ free(drop_key);
+ }
+}
+
+/* Given a datpath, packet, and flow metadata ('backer', 'packet', and 'key'
+ * respectively), populates 'flow' with the result of odp_flow_key_to_flow().
+ * Optionally, if nonnull, populates 'fitnessp' with the fitness of 'flow' as
+ * returned by odp_flow_key_to_flow(). Also, optionally populates 'ofproto'
* with the ofproto_dpif, and 'odp_in_port' with the datapath in_port, that
* 'packet' ingressed.
*
* flow->vlan_tci correctly for the VLAN of the VLAN splinter port, and pushes
* a VLAN header onto 'packet' (if it is nonnull).
*
- * Optionally, if nonnull, sets '*initial_tci' to the VLAN TCI with which the
- * packet was really received, that is, the actual VLAN TCI extracted by
- * odp_flow_key_to_flow(). (This differs from the value returned in
- * flow->vlan_tci only for packets received on VLAN splinters.)
+ * Optionally, if 'initial_vals' is nonnull, sets 'initial_vals->vlan_tci'
+ * to the VLAN TCI with which the packet was really received, that is, the
+ * actual VLAN TCI extracted by odp_flow_key_to_flow(). (This differs from
+ * the value returned in flow->vlan_tci only for packets received on
+ * VLAN splinters.)
+ *
+ * Similarly, this function also includes some logic to help with tunnels. It
+ * may modify 'flow' as necessary to make the tunneling implementation
+ * transparent to the upcall processing logic.
*
* Returns 0 if successful, ENODEV if the parsed flow has no associated ofport,
* or some other positive errno if there are other problems. */
const struct nlattr *key, size_t key_len,
struct flow *flow, enum odp_key_fitness *fitnessp,
struct ofproto_dpif **ofproto, uint32_t *odp_in_port,
- ovs_be16 *initial_tci)
+ struct initial_vals *initial_vals)
{
const struct ofport_dpif *port;
enum odp_key_fitness fitness;
- int error;
+ int error = ENODEV;
fitness = odp_flow_key_to_flow(key, key_len, flow);
if (fitness == ODP_FIT_ERROR) {
goto exit;
}
- if (initial_tci) {
- *initial_tci = flow->vlan_tci;
+ if (initial_vals) {
+ initial_vals->vlan_tci = flow->vlan_tci;
}
if (odp_in_port) {
*odp_in_port = flow->in_port;
}
- port = odp_port_to_ofport(backer, flow->in_port);
+ port = (tnl_port_should_receive(flow)
+ ? ofport_dpif_cast(tnl_port_receive(flow))
+ : odp_port_to_ofport(backer, flow->in_port));
+ flow->in_port = port ? port->up.ofp_port : OFPP_NONE;
if (!port) {
- flow->in_port = OFPP_NONE;
- error = ofproto ? ENODEV : 0;
goto exit;
}
- if (ofproto) {
- *ofproto = ofproto_dpif_cast(port->up.ofproto);
- }
+ /* XXX: Since the tunnel module is not scoped per backer, for a tunnel port
+ * it's theoretically possible that we'll receive an ofport belonging to an
+ * entirely different datapath. In practice, this can't happen because no
+ * platforms has two separate datapaths which each support tunneling. */
+ ovs_assert(ofproto_dpif_cast(port->up.ofproto)->backer == backer);
- flow->in_port = port->up.ofp_port;
if (vsp_adjust_flow(ofproto_dpif_cast(port->up.ofproto), flow)) {
if (packet) {
- /* Make the packet resemble the flow, so that it gets sent to an
- * OpenFlow controller properly, so that it looks correct for
- * sFlow, and so that flow_extract() will get the correct vlan_tci
- * if it is called on 'packet'.
+ /* Make the packet resemble the flow, so that it gets sent to
+ * an OpenFlow controller properly, so that it looks correct
+ * for sFlow, and so that flow_extract() will get the correct
+ * vlan_tci if it is called on 'packet'.
*
* The allocated space inside 'packet' probably also contains
- * 'key', that is, both 'packet' and 'key' are probably part of a
- * struct dpif_upcall (see the large comment on that structure
- * definition), so pushing data on 'packet' is in general not a
- * good idea since it could overwrite 'key' or free it as a side
- * effect. However, it's OK in this special case because we know
- * that 'packet' is inside a Netlink attribute: pushing 4 bytes
- * will just overwrite the 4-byte "struct nlattr", which is fine
- * since we don't need that header anymore. */
+ * 'key', that is, both 'packet' and 'key' are probably part of
+ * a struct dpif_upcall (see the large comment on that
+ * structure definition), so pushing data on 'packet' is in
+ * general not a good idea since it could overwrite 'key' or
+ * free it as a side effect. However, it's OK in this special
+ * case because we know that 'packet' is inside a Netlink
+ * attribute: pushing 4 bytes will just overwrite the 4-byte
+ * "struct nlattr", which is fine since we don't need that
+ * header anymore. */
eth_push_vlan(packet, flow->vlan_tci);
}
-
- /* Let the caller know that we can't reproduce 'key' from 'flow'. */
- if (fitness == ODP_FIT_PERFECT) {
- fitness = ODP_FIT_TOO_MUCH;
- }
+ /* We can't reproduce 'key' from 'flow'. */
+ fitness = fitness == ODP_FIT_PERFECT ? ODP_FIT_TOO_MUCH : fitness;
}
error = 0;
+ if (ofproto) {
+ *ofproto = ofproto_dpif_cast(port->up.ofproto);
+ }
+
exit:
if (fitnessp) {
*fitnessp = fitness;
error = ofproto_receive(backer, upcall->packet, upcall->key,
upcall->key_len, &flow, &miss->key_fitness,
- &ofproto, &odp_in_port, &miss->initial_tci);
+ &ofproto, &odp_in_port, &miss->initial_vals);
if (error == ENODEV) {
+ struct drop_key *drop_key;
+
/* Received packet on port for which we couldn't associate
* an ofproto. This can happen if a port is removed while
* traffic is being received. Print a rate-limited message
- * in case it happens frequently. */
+ * in case it happens frequently. Install a drop flow so
+ * that future packets of the flow are inexpensively dropped
+ * in the kernel. */
VLOG_INFO_RL(&rl, "received packet on unassociated port %"PRIu32,
flow.in_port);
+
+ drop_key = drop_key_lookup(backer, upcall->key, upcall->key_len);
+ if (!drop_key) {
+ drop_key = xmalloc(sizeof *drop_key);
+ drop_key->key = xmemdup(upcall->key, upcall->key_len);
+ drop_key->key_len = upcall->key_len;
+
+ hmap_insert(&backer->drop_keys, &drop_key->hmap_node,
+ hash_bytes(drop_key->key, drop_key->key_len, 0));
+ dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_MODIFY,
+ drop_key->key, drop_key->key_len, NULL, 0, NULL);
+ }
+ continue;
}
if (error) {
continue;
}
+
+ ofproto->n_missed++;
flow_extract(upcall->packet, flow.skb_priority, flow.skb_mark,
&flow.tunnel, flow.in_port, &miss->flow);
/* Add other packets to a to-do list. */
hash = flow_hash(&miss->flow, 0);
- existing_miss = flow_miss_find(&todo, &miss->flow, hash);
+ existing_miss = flow_miss_find(&todo, ofproto, &miss->flow, hash);
if (!existing_miss) {
hmap_insert(&todo, &miss->hmap_node, hash);
miss->ofproto = ofproto;
}
dpif_operate(backer->dpif, dpif_ops, n_ops);
- /* Free memory and update facets. */
+ /* Free memory. */
for (i = 0; i < n_ops; i++) {
- struct flow_miss_op *op = &flow_miss_ops[i];
-
- switch (op->dpif_op.type) {
- case DPIF_OP_EXECUTE:
- break;
-
- case DPIF_OP_FLOW_PUT:
- if (!op->dpif_op.error) {
- op->subfacet->path = subfacet_want_path(op->subfacet->slow);
- }
- break;
-
- case DPIF_OP_FLOW_DEL:
- NOT_REACHED();
- }
-
- free(op->garbage);
+ free(flow_miss_ops[i].garbage);
}
hmap_destroy(&todo);
}
-static enum { SFLOW_UPCALL, MISS_UPCALL, BAD_UPCALL }
+static enum { SFLOW_UPCALL, MISS_UPCALL, BAD_UPCALL, FLOW_SAMPLE_UPCALL,
+ IPFIX_UPCALL }
classify_upcall(const struct dpif_upcall *upcall)
{
+ size_t userdata_len;
union user_action_cookie cookie;
/* First look at the upcall type. */
}
/* "action" upcalls need a closer look. */
- memcpy(&cookie, &upcall->userdata, sizeof(cookie));
- switch (cookie.type) {
- case USER_ACTION_COOKIE_SFLOW:
+ if (!upcall->userdata) {
+ VLOG_WARN_RL(&rl, "action upcall missing cookie");
+ return BAD_UPCALL;
+ }
+ userdata_len = nl_attr_get_size(upcall->userdata);
+ if (userdata_len < sizeof cookie.type
+ || userdata_len > sizeof cookie) {
+ VLOG_WARN_RL(&rl, "action upcall cookie has unexpected size %zu",
+ userdata_len);
+ return BAD_UPCALL;
+ }
+ memset(&cookie, 0, sizeof cookie);
+ memcpy(&cookie, nl_attr_get(upcall->userdata), userdata_len);
+ if (userdata_len == sizeof cookie.sflow
+ && cookie.type == USER_ACTION_COOKIE_SFLOW) {
return SFLOW_UPCALL;
-
- case USER_ACTION_COOKIE_SLOW_PATH:
+ } else if (userdata_len == sizeof cookie.slow_path
+ && cookie.type == USER_ACTION_COOKIE_SLOW_PATH) {
return MISS_UPCALL;
-
- case USER_ACTION_COOKIE_UNSPEC:
- default:
- VLOG_WARN_RL(&rl, "invalid user cookie : 0x%"PRIx64, upcall->userdata);
+ } else if (userdata_len == sizeof cookie.flow_sample
+ && cookie.type == USER_ACTION_COOKIE_FLOW_SAMPLE) {
+ return FLOW_SAMPLE_UPCALL;
+ } else if (userdata_len == sizeof cookie.ipfix
+ && cookie.type == USER_ACTION_COOKIE_IPFIX) {
+ return IPFIX_UPCALL;
+ } else {
+ VLOG_WARN_RL(&rl, "invalid user cookie of type %"PRIu16
+ " and size %zu", cookie.type, userdata_len);
return BAD_UPCALL;
}
}
return;
}
- memcpy(&cookie, &upcall->userdata, sizeof(cookie));
+ memset(&cookie, 0, sizeof cookie);
+ memcpy(&cookie, nl_attr_get(upcall->userdata), sizeof cookie.sflow);
dpif_sflow_received(ofproto->sflow, upcall->packet, &flow,
odp_in_port, &cookie);
}
+static void
+handle_flow_sample_upcall(struct dpif_backer *backer,
+ const struct dpif_upcall *upcall)
+{
+ struct ofproto_dpif *ofproto;
+ union user_action_cookie cookie;
+ struct flow flow;
+
+ if (ofproto_receive(backer, upcall->packet, upcall->key, upcall->key_len,
+ &flow, NULL, &ofproto, NULL, NULL)
+ || !ofproto->ipfix) {
+ return;
+ }
+
+ memset(&cookie, 0, sizeof cookie);
+ memcpy(&cookie, nl_attr_get(upcall->userdata), sizeof cookie.flow_sample);
+
+ /* The flow reflects exactly the contents of the packet. Sample
+ * the packet using it. */
+ dpif_ipfix_flow_sample(ofproto->ipfix, upcall->packet, &flow,
+ cookie.flow_sample.collector_set_id,
+ cookie.flow_sample.probability,
+ cookie.flow_sample.obs_domain_id,
+ cookie.flow_sample.obs_point_id);
+}
+
+static void
+handle_ipfix_upcall(struct dpif_backer *backer,
+ const struct dpif_upcall *upcall)
+{
+ struct ofproto_dpif *ofproto;
+ struct flow flow;
+
+ if (ofproto_receive(backer, upcall->packet, upcall->key, upcall->key_len,
+ &flow, NULL, &ofproto, NULL, NULL)
+ || !ofproto->ipfix) {
+ return;
+ }
+
+ /* The flow reflects exactly the contents of the packet. Sample
+ * the packet using it. */
+ dpif_ipfix_bridge_sample(ofproto->ipfix, upcall->packet, &flow);
+}
+
static int
handle_upcalls(struct dpif_backer *backer, unsigned int max_batch)
{
ofpbuf_uninit(buf);
break;
+ case FLOW_SAMPLE_UPCALL:
+ handle_flow_sample_upcall(backer, upcall);
+ ofpbuf_uninit(buf);
+ break;
+
+ case IPFIX_UPCALL:
+ handle_ipfix_upcall(backer, upcall);
+ ofpbuf_uninit(buf);
+ break;
+
case BAD_UPCALL:
ofpbuf_uninit(buf);
break;
struct ofproto_dpif *ofproto;
int max_idle = INT32_MAX;
+ /* Periodically clear out the drop keys in an effort to keep them
+ * relatively few. */
+ drop_key_clear(backer);
+
/* Update stats for each flow in the backer. */
update_stats(backer);
HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
- struct rule_dpif *rule, *next_rule;
- struct oftable *table;
+ struct rule *rule, *next_rule;
int dp_max_idle;
if (ofproto->backer != backer) {
continue;
}
+ /* Keep track of the max number of flows per ofproto_dpif. */
+ update_max_subfacet_count(ofproto);
+
/* Expire subfacets that have been idle too long. */
dp_max_idle = subfacet_max_idle(ofproto);
expire_subfacets(ofproto, dp_max_idle);
/* Expire OpenFlow flows whose idle_timeout or hard_timeout
* has passed. */
- OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
- struct cls_cursor cursor;
-
- cls_cursor_init(&cursor, &table->cls, NULL);
- CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) {
- rule_expire(rule);
- }
+ LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
+ &ofproto->up.expirable) {
+ rule_expire(rule_dpif_cast(rule));
}
/* All outstanding data in existing flows has been accounted, so it's a
HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
if (bundle->bond) {
- bond_rebalance(bundle->bond, &ofproto->revalidate_set);
+ bond_rebalance(bundle->bond, &backer->revalidate_set);
}
}
}
facet_account(facet);
facet->accounted_bytes = facet->byte_count;
}
- facet_push_stats(facet);
}
/* 'key' with length 'key_len' bytes is a flow in 'dpif' that we know nothing
* avoided by calling update_stats() whenever rules are created or
* deleted. However, the performance impact of making so many calls to the
* datapath do not justify the benefit of having perfectly accurate statistics.
+ *
+ * In addition, this function maintains per ofproto flow hit counts. The patch
+ * port is not treated specially. e.g. A packet ingress from br0 patched into
+ * br1 will increase the hit count of br0 by 1, however, does not affect
+ * the hit or miss counts of br1.
*/
static void
update_stats(struct dpif_backer *backer)
const struct dpif_flow_stats *stats;
struct dpif_flow_dump dump;
const struct nlattr *key;
+ struct ofproto_dpif *ofproto;
size_t key_len;
dpif_flow_dump_start(&dump, backer->dpif);
while (dpif_flow_dump_next(&dump, &key, &key_len, NULL, NULL, &stats)) {
struct flow flow;
struct subfacet *subfacet;
- enum odp_key_fitness fitness;
- struct ofproto_dpif *ofproto;
- struct ofport_dpif *port;
+ struct ofport_dpif *ofport;
uint32_t key_hash;
- fitness = odp_flow_key_to_flow(key, key_len, &flow);
- if (fitness == ODP_FIT_ERROR) {
+ if (ofproto_receive(backer, NULL, key, key_len, &flow, NULL, &ofproto,
+ NULL, NULL)) {
continue;
}
- port = odp_port_to_ofport(backer, flow.in_port);
- if (!port) {
- /* This flow is for a port for which we couldn't associate an
- * ofproto. This can happen if a port is removed while
- * traffic is being received. Ignore this flow, since it
- * will get timed out. */
- continue;
+ ofproto->total_subfacet_count += hmap_count(&ofproto->subfacets);
+ ofproto->n_update_stats++;
+
+ ofport = get_ofp_port(ofproto, flow.in_port);
+ if (ofport && ofport->tnl_port) {
+ netdev_vport_inc_rx(ofport->up.netdev, stats);
}
- ofproto = ofproto_dpif_cast(port->up.ofproto);
- flow.in_port = port->up.ofp_port;
key_hash = odp_flow_key_hash(key, key_len);
-
- subfacet = subfacet_find(ofproto, key, key_len, key_hash, &flow);
+ subfacet = subfacet_find(ofproto, key, key_len, key_hash);
switch (subfacet ? subfacet->path : SF_NOT_INSTALLED) {
case SF_FAST_PATH:
+ /* Update ofproto_dpif's hit count. */
+ if (stats->n_packets > subfacet->dp_packet_count) {
+ uint64_t delta = stats->n_packets - subfacet->dp_packet_count;
+ dpif_stats_update_hit_count(ofproto, delta);
+ }
+
update_subfacet_stats(subfacet, stats);
break;
delete_unexpected_flow(ofproto, key, key_len);
break;
}
+ run_fast_rl();
}
dpif_flow_dump_done(&dump);
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ update_moving_averages(ofproto);
+ }
+
}
/* Calculates and returns the number of milliseconds of idle time after which
&ofproto->subfacets) {
long long int cutoff;
- cutoff = (subfacet->slow & (SLOW_CFM | SLOW_LACP | SLOW_STP)
+ cutoff = (subfacet->slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP | SLOW_STP)
? special_cutoff
: normal_cutoff);
if (subfacet->used < cutoff) {
netflow_flow_init(&facet->nf_flow);
netflow_flow_update_time(ofproto->netflow, &facet->nf_flow, facet->used);
+ facet->learn_rl = time_msec() + 500;
+
return facet;
}
}
/* Executes, within 'ofproto', the 'n_actions' actions in 'actions' on
- * 'packet', which arrived on 'in_port'.
- *
- * Takes ownership of 'packet'. */
+ * 'packet', which arrived on 'in_port'. */
static bool
execute_odp_actions(struct ofproto_dpif *ofproto, const struct flow *flow,
const struct nlattr *odp_actions, size_t actions_len,
error = dpif_execute(ofproto->backer->dpif, key.data, key.size,
odp_actions, actions_len, packet);
-
- ofpbuf_delete(packet);
return !error;
}
facet_learn(struct facet *facet)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
+ struct subfacet *subfacet= CONTAINER_OF(list_front(&facet->subfacets),
+ struct subfacet, list_node);
+ long long int now = time_msec();
struct action_xlate_ctx ctx;
+ if (!facet->has_fin_timeout && now < facet->learn_rl) {
+ return;
+ }
+
+ facet->learn_rl = now + 500;
+
if (!facet->has_learn
&& !facet->has_normal
&& (!facet->has_fin_timeout
}
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- facet->flow.vlan_tci,
+ &subfacet->initial_vals,
facet->rule, facet->tcp_flags, NULL);
ctx.may_learn = true;
xlate_actions_for_side_effects(&ctx, facet->rule->up.ofpacts,
facet_account(struct facet *facet)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- struct subfacet *subfacet;
+ struct subfacet *subfacet = facet_get_subfacet(facet);
const struct nlattr *a;
unsigned int left;
ovs_be16 vlan_tci;
*
* We use the actions from an arbitrary subfacet because they should all
* be equally valid for our purpose. */
- subfacet = CONTAINER_OF(list_front(&facet->subfacets),
- struct subfacet, list_node);
vlan_tci = facet->flow.vlan_tci;
NL_ATTR_FOR_EACH_UNSAFE (a, left,
subfacet->actions, subfacet->actions_len) {
netflow_expire(ofproto->netflow, &facet->nf_flow, &expired);
}
- facet->rule->packet_count += facet->packet_count;
- facet->rule->byte_count += facet->byte_count;
-
/* Reset counters to prevent double counting if 'facet' ever gets
* reinstalled. */
facet_reset_counters(facet);
facet = facet_find(ofproto, flow, hash);
if (facet
- && (ofproto->need_revalidate
- || tag_set_intersects(&ofproto->revalidate_set, facet->tags))) {
+ && (ofproto->backer->need_revalidate
+ || tag_set_intersects(&ofproto->backer->revalidate_set,
+ facet->tags))) {
facet_revalidate(facet);
+
+ /* facet_revalidate() may have destroyed 'facet'. */
+ facet = facet_find(ofproto, flow, hash);
}
return facet;
}
+/* Return a subfacet from 'facet'. A facet consists of one or more
+ * subfacets, and this function returns one of them. */
+static struct subfacet *facet_get_subfacet(struct facet *facet)
+{
+ return CONTAINER_OF(list_front(&facet->subfacets), struct subfacet,
+ list_node);
+}
+
static const char *
subfacet_path_to_string(enum subfacet_path path)
{
ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
enum subfacet_path want_path;
- struct odputil_keybuf keybuf;
struct action_xlate_ctx ctx;
- struct ofpbuf key;
struct ds s;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- subfacet->initial_tci, rule, 0, NULL);
+ &subfacet->initial_vals, rule, 0, NULL);
xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len,
&odp_actions);
}
ds_init(&s);
- subfacet_get_key(subfacet, &keybuf, &key);
- odp_flow_key_format(key.data, key.size, &s);
+ odp_flow_key_format(subfacet->key, subfacet->key_len, &s);
ds_put_cstr(&s, ": inconsistency in subfacet");
if (want_path != subfacet->path) {
* 'facet' to the new rule and recompiles its actions.
*
* - If the rule found is the same as 'facet''s current rule, leaves 'facet'
- * where it is and recompiles its actions anyway. */
+ * where it is and recompiles its actions anyway.
+ *
+ * - If any of 'facet''s subfacets correspond to a new flow according to
+ * ofproto_receive(), 'facet' is removed. */
static void
facet_revalidate(struct facet *facet)
{
COVERAGE_INC(facet_revalidate);
+ /* Check that child subfacets still correspond to this facet. Tunnel
+ * configuration changes could cause a subfacet's OpenFlow in_port to
+ * change. */
+ LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
+ struct ofproto_dpif *recv_ofproto;
+ struct flow recv_flow;
+ int error;
+
+ error = ofproto_receive(ofproto->backer, NULL, subfacet->key,
+ subfacet->key_len, &recv_flow, NULL,
+ &recv_ofproto, NULL, NULL);
+ if (error
+ || recv_ofproto != ofproto
+ || memcmp(&recv_flow, &facet->flow, sizeof recv_flow)) {
+ facet_remove(facet);
+ return;
+ }
+ }
+
new_rule = rule_dpif_lookup(ofproto, &facet->flow);
/* Calculate new datapath actions.
enum slow_path_reason slow;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- subfacet->initial_tci, new_rule, 0, NULL);
+ &subfacet->initial_vals, new_rule, 0, NULL);
xlate_actions(&ctx, new_rule->up.ofpacts, new_rule->up.ofpacts_len,
&odp_actions);
facet->prev_byte_count = facet->byte_count;
facet->prev_used = facet->used;
- flow_push_stats(facet->rule, &facet->flow, &stats);
+ rule_credit_stats(facet->rule, &stats);
+ flow_push_stats(facet, &stats);
update_mirror_stats(ofproto_dpif_cast(facet->rule->up.ofproto),
facet->mirrors, stats.n_packets, stats.n_bytes);
}
}
+static void
+push_all_stats__(bool run_fast)
+{
+ static long long int rl = LLONG_MIN;
+ struct ofproto_dpif *ofproto;
+
+ if (time_msec() < rl) {
+ return;
+ }
+
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ struct facet *facet;
+
+ HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
+ facet_push_stats(facet);
+ if (run_fast) {
+ run_fast_rl();
+ }
+ }
+ }
+
+ rl = time_msec() + 100;
+}
+
+static void
+push_all_stats(void)
+{
+ push_all_stats__(true);
+}
+
static void
rule_credit_stats(struct rule_dpif *rule, const struct dpif_flow_stats *stats)
{
ofproto_rule_update_used(&rule->up, stats->used);
}
-/* Pushes flow statistics to the rules which 'flow' resubmits into given
- * 'rule''s actions and mirrors. */
+/* Pushes flow statistics to the rules which 'facet->flow' resubmits
+ * into given 'facet->rule''s actions and mirrors. */
static void
-flow_push_stats(struct rule_dpif *rule,
- const struct flow *flow, const struct dpif_flow_stats *stats)
+flow_push_stats(struct facet *facet, const struct dpif_flow_stats *stats)
{
+ struct rule_dpif *rule = facet->rule;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
+ struct subfacet *subfacet = facet_get_subfacet(facet);
struct action_xlate_ctx ctx;
ofproto_rule_update_used(&rule->up, stats->used);
- action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci, rule,
- 0, NULL);
+ action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
+ &subfacet->initial_vals, rule, 0, NULL);
ctx.resubmit_stats = stats;
xlate_actions_for_side_effects(&ctx, rule->up.ofpacts,
rule->up.ofpacts_len);
static struct subfacet *
subfacet_find(struct ofproto_dpif *ofproto,
- const struct nlattr *key, size_t key_len, uint32_t key_hash,
- const struct flow *flow)
+ const struct nlattr *key, size_t key_len, uint32_t key_hash)
{
struct subfacet *subfacet;
HMAP_FOR_EACH_WITH_HASH (subfacet, hmap_node, key_hash,
&ofproto->subfacets) {
- if (subfacet->key
- ? (subfacet->key_len == key_len
- && !memcmp(key, subfacet->key, key_len))
- : flow_equal(flow, &subfacet->facet->flow)) {
+ if (subfacet->key_len == key_len
+ && !memcmp(key, subfacet->key, key_len)) {
return subfacet;
}
}
if (list_is_empty(&facet->subfacets)) {
subfacet = &facet->one_subfacet;
} else {
- subfacet = subfacet_find(ofproto, key, key_len, key_hash,
- &facet->flow);
+ subfacet = subfacet_find(ofproto, key, key_len, key_hash);
if (subfacet) {
if (subfacet->facet == facet) {
return subfacet;
list_push_back(&facet->subfacets, &subfacet->list_node);
subfacet->facet = facet;
subfacet->key_fitness = key_fitness;
- if (key_fitness != ODP_FIT_PERFECT) {
- subfacet->key = xmemdup(key, key_len);
- subfacet->key_len = key_len;
- } else {
- subfacet->key = NULL;
- subfacet->key_len = 0;
- }
+ subfacet->key = xmemdup(key, key_len);
+ subfacet->key_len = key_len;
subfacet->used = now;
+ subfacet->created = now;
subfacet->dp_packet_count = 0;
subfacet->dp_byte_count = 0;
subfacet->actions_len = 0;
? SLOW_MATCH
: 0);
subfacet->path = SF_NOT_INSTALLED;
- subfacet->initial_tci = miss->initial_tci;
+ subfacet->initial_vals = miss->initial_vals;
subfacet->odp_in_port = miss->odp_in_port;
+ ofproto->subfacet_add_count++;
return subfacet;
}
struct facet *facet = subfacet->facet;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
+ /* Update ofproto stats before uninstall the subfacet. */
+ ofproto->subfacet_del_count++;
+ ofproto->total_subfacet_life_span += (time_msec() - subfacet->created);
+
subfacet_uninstall(subfacet);
hmap_remove(&ofproto->subfacets, &subfacet->hmap_node);
list_remove(&subfacet->list_node);
subfacet_destroy_batch(struct ofproto_dpif *ofproto,
struct subfacet **subfacets, int n)
{
- struct odputil_keybuf keybufs[SUBFACET_DESTROY_MAX_BATCH];
struct dpif_op ops[SUBFACET_DESTROY_MAX_BATCH];
struct dpif_op *opsp[SUBFACET_DESTROY_MAX_BATCH];
- struct ofpbuf keys[SUBFACET_DESTROY_MAX_BATCH];
struct dpif_flow_stats stats[SUBFACET_DESTROY_MAX_BATCH];
int i;
for (i = 0; i < n; i++) {
ops[i].type = DPIF_OP_FLOW_DEL;
- subfacet_get_key(subfacets[i], &keybufs[i], &keys[i]);
- ops[i].u.flow_del.key = keys[i].data;
- ops[i].u.flow_del.key_len = keys[i].size;
+ ops[i].u.flow_del.key = subfacets[i]->key;
+ ops[i].u.flow_del.key_len = subfacets[i]->key_len;
ops[i].u.flow_del.stats = &stats[i];
opsp[i] = &ops[i];
}
subfacet_reset_dp_stats(subfacets[i], &stats[i]);
subfacets[i]->path = SF_NOT_INSTALLED;
subfacet_destroy(subfacets[i]);
- }
-}
-
-/* Initializes 'key' with the sequence of OVS_KEY_ATTR_* Netlink attributes
- * that can be used to refer to 'subfacet'. The caller must provide 'keybuf'
- * for use as temporary storage. */
-static void
-subfacet_get_key(struct subfacet *subfacet, struct odputil_keybuf *keybuf,
- struct ofpbuf *key)
-{
-
- if (!subfacet->key) {
- struct flow *flow = &subfacet->facet->flow;
-
- ofpbuf_use_stack(key, keybuf, sizeof *keybuf);
- odp_flow_key_from_flow(key, flow, subfacet->odp_in_port);
- } else {
- ofpbuf_use_const(key, subfacet->key, subfacet->key_len);
+ run_fast_rl();
}
}
struct action_xlate_ctx ctx;
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, subfacet->initial_tci,
- rule, 0, packet);
+ action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
+ &subfacet->initial_vals, rule, 0, packet);
xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len, odp_actions);
facet->tags = ctx.tags;
facet->has_learn = ctx.has_learn;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
enum subfacet_path path = subfacet_want_path(slow);
uint64_t slow_path_stub[128 / 8];
- struct odputil_keybuf keybuf;
enum dpif_flow_put_flags flags;
- struct ofpbuf key;
int ret;
flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
&actions, &actions_len);
}
- subfacet_get_key(subfacet, &keybuf, &key);
- ret = dpif_flow_put(ofproto->backer->dpif, flags, key.data, key.size,
- actions, actions_len, stats);
+ ret = dpif_flow_put(ofproto->backer->dpif, flags, subfacet->key,
+ subfacet->key_len, actions, actions_len, stats);
if (stats) {
subfacet_reset_dp_stats(subfacet, stats);
if (subfacet->path != SF_NOT_INSTALLED) {
struct rule_dpif *rule = subfacet->facet->rule;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
- struct odputil_keybuf keybuf;
struct dpif_flow_stats stats;
- struct ofpbuf key;
int error;
- subfacet_get_key(subfacet, &keybuf, &key);
- error = dpif_flow_del(ofproto->backer->dpif,
- key.data, key.size, &stats);
+ error = dpif_flow_del(ofproto->backer->dpif, subfacet->key,
+ subfacet->key_len, &stats);
subfacet_reset_dp_stats(subfacet, &stats);
if (!error) {
subfacet_update_stats(subfacet, &stats);
facet->packet_count += stats->n_packets;
facet->byte_count += stats->n_bytes;
facet->tcp_flags |= stats->tcp_flags;
- facet_push_stats(facet);
netflow_flow_update_flags(&facet->nf_flow, stats->tcp_flags);
}
}
rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes)
{
struct rule_dpif *rule = rule_dpif_cast(rule_);
- struct facet *facet;
+
+ /* push_all_stats() can handle flow misses which, when using the learn
+ * action, can cause rules to be added and deleted. This can corrupt our
+ * caller's datastructures which assume that rule_get_stats() doesn't have
+ * an impact on the flow table. To be safe, we disable miss handling. */
+ push_all_stats__(false);
/* Start from historical data for 'rule' itself that are no longer tracked
* in facets. This counts, for example, facets that have expired. */
*packets = rule->packet_count;
*bytes = rule->byte_count;
-
- /* Add any statistics that are tracked by facets. This includes
- * statistical data recently updated by ofproto_update_stats() as well as
- * stats for packets that were executed "by hand" via dpif_execute(). */
- LIST_FOR_EACH (facet, list_node, &rule->facets) {
- *packets += facet->packet_count;
- *bytes += facet->byte_count;
- }
}
-static enum ofperr
-rule_execute(struct rule *rule_, const struct flow *flow,
- struct ofpbuf *packet)
+static void
+rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
+ struct ofpbuf *packet)
{
- struct rule_dpif *rule = rule_dpif_cast(rule_);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
-
+ struct initial_vals initial_vals;
struct dpif_flow_stats stats;
-
struct action_xlate_ctx ctx;
uint64_t odp_actions_stub[1024 / 8];
struct ofpbuf odp_actions;
dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
rule_credit_stats(rule, &stats);
+ initial_vals.vlan_tci = flow->vlan_tci;
ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci,
+ action_xlate_ctx_init(&ctx, ofproto, flow, &initial_vals,
rule, stats.tcp_flags, packet);
ctx.resubmit_stats = &stats;
xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len, &odp_actions);
odp_actions.size, packet);
ofpbuf_uninit(&odp_actions);
+}
+static enum ofperr
+rule_execute(struct rule *rule, const struct flow *flow,
+ struct ofpbuf *packet)
+{
+ rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
+ ofpbuf_delete(packet);
return 0;
}
static int
send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet)
{
- const struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ uint64_t odp_actions_stub[1024 / 8];
struct ofpbuf key, odp_actions;
+ struct dpif_flow_stats stats;
struct odputil_keybuf keybuf;
- uint32_t odp_port;
+ struct ofpact_output output;
+ struct action_xlate_ctx ctx;
struct flow flow;
int error;
- flow_extract(packet, 0, 0, NULL, OFPP_LOCAL, &flow);
- odp_port = vsp_realdev_to_vlandev(ofproto, ofport->odp_port,
- flow.vlan_tci);
- if (odp_port != ofport->odp_port) {
- eth_pop_vlan(packet);
- flow.vlan_tci = htons(0);
- }
-
+ ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
- odp_flow_key_from_flow(&key, &flow,
- ofp_port_to_odp_port(ofproto, flow.in_port));
- ofpbuf_init(&odp_actions, 32);
- compose_sflow_action(ofproto, &odp_actions, &flow, odp_port);
+ /* Use OFPP_NONE as the in_port to avoid special packet processing. */
+ flow_extract(packet, 0, 0, NULL, OFPP_NONE, &flow);
+ odp_flow_key_from_flow(&key, &flow, ofp_port_to_odp_port(ofproto,
+ OFPP_LOCAL));
+ dpif_flow_stats_extract(&flow, packet, time_msec(), &stats);
+
+ ofpact_init(&output.ofpact, OFPACT_OUTPUT, sizeof output);
+ output.port = ofport->up.ofp_port;
+ output.max_len = 0;
+
+ action_xlate_ctx_init(&ctx, ofproto, &flow, NULL, NULL, 0, packet);
+ ctx.resubmit_stats = &stats;
+ xlate_actions(&ctx, &output.ofpact, sizeof output, &odp_actions);
- nl_msg_put_u32(&odp_actions, OVS_ACTION_ATTR_OUTPUT, odp_port);
error = dpif_execute(ofproto->backer->dpif,
key.data, key.size,
odp_actions.data, odp_actions.size,
ofpbuf_uninit(&odp_actions);
if (error) {
- VLOG_WARN_RL(&rl, "%s: failed to send packet on port %"PRIu32" (%s)",
- ofproto->up.name, odp_port, strerror(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));
}
- ofproto_update_local_port_stats(ofport->up.ofproto, packet->size, 0);
+
+ ofproto->stats.tx_packets++;
+ ofproto->stats.tx_bytes += packet->size;
return error;
}
\f
/* OpenFlow to datapath action translation. */
+static bool may_receive(const struct ofport_dpif *, struct action_xlate_ctx *);
static void do_xlate_actions(const struct ofpact *, size_t ofpacts_len,
struct action_xlate_ctx *);
static void xlate_normal(struct action_xlate_ctx *);
cookie.slow_path.reason = slow;
ofpbuf_use_stack(&buf, stub, stub_size);
- if (slow & (SLOW_CFM | SLOW_LACP | SLOW_STP)) {
+ if (slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP | SLOW_STP)) {
uint32_t pid = dpif_port_get_pid(ofproto->backer->dpif, UINT32_MAX);
- odp_put_userspace_action(pid, &cookie, &buf);
+ odp_put_userspace_action(pid, &cookie, sizeof cookie.slow_path, &buf);
} else {
- put_userspace_action(ofproto, &buf, flow, &cookie);
+ put_userspace_action(ofproto, &buf, flow, &cookie,
+ sizeof cookie.slow_path);
}
*actionsp = buf.data;
*actions_lenp = buf.size;
put_userspace_action(const struct ofproto_dpif *ofproto,
struct ofpbuf *odp_actions,
const struct flow *flow,
- const union user_action_cookie *cookie)
+ const union user_action_cookie *cookie,
+ const size_t cookie_size)
{
uint32_t pid;
pid = dpif_port_get_pid(ofproto->backer->dpif,
ofp_port_to_odp_port(ofproto, flow->in_port));
- return odp_put_userspace_action(pid, cookie, odp_actions);
+ return odp_put_userspace_action(pid, cookie, cookie_size, odp_actions);
+}
+
+/* Compose SAMPLE action for sFlow or IPFIX. The given probability is
+ * the number of packets out of UINT32_MAX to sample. The given
+ * cookie is passed back in the callback for each sampled packet.
+ */
+static size_t
+compose_sample_action(const struct ofproto_dpif *ofproto,
+ struct ofpbuf *odp_actions,
+ const struct flow *flow,
+ const uint32_t probability,
+ const union user_action_cookie *cookie,
+ const size_t cookie_size)
+{
+ size_t sample_offset, actions_offset;
+ int cookie_offset;
+
+ sample_offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SAMPLE);
+
+ nl_msg_put_u32(odp_actions, OVS_SAMPLE_ATTR_PROBABILITY, probability);
+
+ actions_offset = nl_msg_start_nested(odp_actions, OVS_SAMPLE_ATTR_ACTIONS);
+ cookie_offset = put_userspace_action(ofproto, odp_actions, flow, cookie,
+ cookie_size);
+
+ nl_msg_end_nested(odp_actions, actions_offset);
+ nl_msg_end_nested(odp_actions, sample_offset);
+ return cookie_offset;
}
static void
}
}
-/* Compose SAMPLE action for sFlow. */
+/* Compose SAMPLE action for sFlow bridge sampling. */
static size_t
compose_sflow_action(const struct ofproto_dpif *ofproto,
struct ofpbuf *odp_actions,
{
uint32_t probability;
union user_action_cookie cookie;
- size_t sample_offset, actions_offset;
- int cookie_offset;
if (!ofproto->sflow || flow->in_port == OFPP_NONE) {
return 0;
}
- sample_offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SAMPLE);
-
- /* Number of packets out of UINT_MAX to sample. */
probability = dpif_sflow_get_probability(ofproto->sflow);
- nl_msg_put_u32(odp_actions, OVS_SAMPLE_ATTR_PROBABILITY, probability);
-
- actions_offset = nl_msg_start_nested(odp_actions, OVS_SAMPLE_ATTR_ACTIONS);
compose_sflow_cookie(ofproto, htons(0), odp_port,
odp_port == OVSP_NONE ? 0 : 1, &cookie);
- cookie_offset = put_userspace_action(ofproto, odp_actions, flow, &cookie);
- nl_msg_end_nested(odp_actions, actions_offset);
- nl_msg_end_nested(odp_actions, sample_offset);
- return cookie_offset;
+ return compose_sample_action(ofproto, odp_actions, flow, probability,
+ &cookie, sizeof cookie.sflow);
+}
+
+static void
+compose_flow_sample_cookie(uint16_t probability, uint32_t collector_set_id,
+ uint32_t obs_domain_id, uint32_t obs_point_id,
+ union user_action_cookie *cookie)
+{
+ cookie->type = USER_ACTION_COOKIE_FLOW_SAMPLE;
+ cookie->flow_sample.probability = probability;
+ cookie->flow_sample.collector_set_id = collector_set_id;
+ cookie->flow_sample.obs_domain_id = obs_domain_id;
+ cookie->flow_sample.obs_point_id = obs_point_id;
+}
+
+static void
+compose_ipfix_cookie(union user_action_cookie *cookie)
+{
+ cookie->type = USER_ACTION_COOKIE_IPFIX;
+}
+
+/* Compose SAMPLE action for IPFIX bridge sampling. */
+static void
+compose_ipfix_action(const struct ofproto_dpif *ofproto,
+ struct ofpbuf *odp_actions,
+ const struct flow *flow)
+{
+ uint32_t probability;
+ union user_action_cookie cookie;
+
+ if (!ofproto->ipfix || flow->in_port == OFPP_NONE) {
+ return;
+ }
+
+ probability = dpif_ipfix_get_bridge_exporter_probability(ofproto->ipfix);
+ compose_ipfix_cookie(&cookie);
+
+ compose_sample_action(ofproto, odp_actions, flow, probability,
+ &cookie, sizeof cookie.ipfix);
}
-/* SAMPLE action must be first action in any given list of actions.
- * At this point we do not have all information required to build it. So try to
- * build sample action as complete as possible. */
+/* SAMPLE action for sFlow must be first action in any given list of
+ * actions. At this point we do not have all information required to
+ * build it. So try to build sample action as complete as possible. */
static void
add_sflow_action(struct action_xlate_ctx *ctx)
{
ctx->sflow_n_outputs = 0;
}
+/* SAMPLE action for IPFIX must be 1st or 2nd action in any given list
+ * of actions, eventually after the SAMPLE action for sFlow. */
+static void
+add_ipfix_action(struct action_xlate_ctx *ctx)
+{
+ compose_ipfix_action(ctx->ofproto, ctx->odp_actions, &ctx->flow);
+}
+
/* Fix SAMPLE action according to data collected while composing ODP actions.
* We need to fix SAMPLE actions OVS_SAMPLE_ATTR_ACTIONS attribute, i.e. nested
* USERSPACE action's user-cookie which is required for sflow. */
}
cookie = ofpbuf_at(ctx->odp_actions, ctx->user_cookie_offset,
- sizeof(*cookie));
+ sizeof cookie->sflow);
ovs_assert(cookie->type == USER_ACTION_COOKIE_SFLOW);
compose_sflow_cookie(ctx->ofproto, base->vlan_tci,
bool check_stp)
{
const struct ofport_dpif *ofport = get_ofp_port(ctx->ofproto, ofp_port);
- uint32_t odp_port = ofp_port_to_odp_port(ctx->ofproto, ofp_port);
- ovs_be16 flow_vlan_tci = ctx->flow.vlan_tci;
- uint8_t flow_nw_tos = ctx->flow.nw_tos;
+ ovs_be16 flow_vlan_tci;
+ uint32_t flow_skb_mark;
+ uint8_t flow_nw_tos;
struct priority_to_dscp *pdscp;
- uint32_t out_port;
+ uint32_t out_port, odp_port;
+
+ /* If 'struct flow' gets additional metadata, we'll need to zero it out
+ * before traversing a patch port. */
+ BUILD_ASSERT_DECL(FLOW_WC_SEQ == 20);
if (!ofport) {
xlate_report(ctx, "Nonexistent output port");
return;
}
+ if (netdev_vport_is_patch(ofport->up.netdev)) {
+ struct ofport_dpif *peer = ofport_get_peer(ofport);
+ struct flow old_flow = ctx->flow;
+ const struct ofproto_dpif *peer_ofproto;
+ enum slow_path_reason special;
+ struct ofport_dpif *in_port;
+
+ if (!peer) {
+ xlate_report(ctx, "Nonexistent patch port peer");
+ return;
+ }
+
+ peer_ofproto = ofproto_dpif_cast(peer->up.ofproto);
+ if (peer_ofproto->backer != ctx->ofproto->backer) {
+ xlate_report(ctx, "Patch port peer on a different datapath");
+ return;
+ }
+
+ ctx->ofproto = ofproto_dpif_cast(peer->up.ofproto);
+ ctx->flow.in_port = peer->up.ofp_port;
+ ctx->flow.metadata = htonll(0);
+ memset(&ctx->flow.tunnel, 0, sizeof ctx->flow.tunnel);
+ memset(ctx->flow.regs, 0, sizeof ctx->flow.regs);
+
+ in_port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
+ special = process_special(ctx->ofproto, &ctx->flow, in_port,
+ ctx->packet);
+ if (special) {
+ ctx->slow |= special;
+ } else if (!in_port || may_receive(in_port, ctx)) {
+ if (!in_port || stp_forward_in_state(in_port->stp_state)) {
+ xlate_table_action(ctx, ctx->flow.in_port, 0, true);
+ } else {
+ /* Forwarding is disabled by STP. Let OFPP_NORMAL and the
+ * learning action look at the packet, then drop it. */
+ struct flow old_base_flow = ctx->base_flow;
+ size_t old_size = ctx->odp_actions->size;
+ xlate_table_action(ctx, ctx->flow.in_port, 0, true);
+ ctx->base_flow = old_base_flow;
+ ctx->odp_actions->size = old_size;
+ }
+ }
+
+ ctx->flow = old_flow;
+ ctx->ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+
+ if (ctx->resubmit_stats) {
+ netdev_vport_inc_tx(ofport->up.netdev, ctx->resubmit_stats);
+ netdev_vport_inc_rx(peer->up.netdev, ctx->resubmit_stats);
+ }
+
+ return;
+ }
+
+ flow_vlan_tci = ctx->flow.vlan_tci;
+ flow_skb_mark = ctx->flow.skb_mark;
+ flow_nw_tos = ctx->flow.nw_tos;
+
pdscp = get_priority(ofport, ctx->flow.skb_priority);
if (pdscp) {
ctx->flow.nw_tos &= ~IP_DSCP_MASK;
ctx->flow.nw_tos |= pdscp->dscp;
}
- out_port = vsp_realdev_to_vlandev(ctx->ofproto, odp_port,
- ctx->flow.vlan_tci);
- if (out_port != odp_port) {
- ctx->flow.vlan_tci = htons(0);
+ if (ofport->tnl_port) {
+ /* Save tunnel metadata so that changes made due to
+ * the Logical (tunnel) Port are not visible for any further
+ * matches, while explicit set actions on tunnel metadata are.
+ */
+ struct flow_tnl flow_tnl = ctx->flow.tunnel;
+ odp_port = tnl_port_send(ofport->tnl_port, &ctx->flow);
+ if (odp_port == OVSP_NONE) {
+ xlate_report(ctx, "Tunneling decided against output");
+ goto out; /* restore flow_nw_tos */
+ }
+ if (ctx->flow.tunnel.ip_dst == ctx->orig_tunnel_ip_dst) {
+ xlate_report(ctx, "Not tunneling to our own address");
+ goto out; /* restore flow_nw_tos */
+ }
+ if (ctx->resubmit_stats) {
+ netdev_vport_inc_tx(ofport->up.netdev, ctx->resubmit_stats);
+ }
+ out_port = odp_port;
+ commit_odp_tunnel_action(&ctx->flow, &ctx->base_flow,
+ ctx->odp_actions);
+ ctx->flow.tunnel = flow_tnl; /* Restore tunnel metadata */
+ } else {
+ odp_port = ofport->odp_port;
+ out_port = vsp_realdev_to_vlandev(ctx->ofproto, odp_port,
+ ctx->flow.vlan_tci);
+ if (out_port != odp_port) {
+ ctx->flow.vlan_tci = htons(0);
+ }
+ ctx->flow.skb_mark &= ~IPSEC_MARK;
}
commit_odp_actions(&ctx->flow, &ctx->base_flow, ctx->odp_actions);
nl_msg_put_u32(ctx->odp_actions, OVS_ACTION_ATTR_OUTPUT, out_port);
ctx->sflow_odp_port = odp_port;
ctx->sflow_n_outputs++;
ctx->nf_output_iface = ofp_port;
+
+ /* Restore flow */
ctx->flow.vlan_tci = flow_vlan_tci;
+ ctx->flow.skb_mark = flow_skb_mark;
+ out:
ctx->flow.nw_tos = flow_nw_tos;
}
compose_output_action__(ctx, ofp_port, true);
}
+static void
+tag_the_flow(struct action_xlate_ctx *ctx, struct rule_dpif *rule)
+{
+ struct ofproto_dpif *ofproto = ctx->ofproto;
+ uint8_t table_id = ctx->table_id;
+
+ if (table_id > 0 && table_id < N_TABLES) {
+ struct table_dpif *table = &ofproto->tables[table_id];
+ if (table->other_table) {
+ ctx->tags |= (rule && rule->tag
+ ? rule->tag
+ : rule_calculate_tag(&ctx->flow,
+ &table->other_table->mask,
+ table->basis));
+ }
+ }
+}
+
+/* Common rule processing in one place to avoid duplicating code. */
+static struct rule_dpif *
+ctx_rule_hooks(struct action_xlate_ctx *ctx, struct rule_dpif *rule,
+ bool may_packet_in)
+{
+ if (ctx->resubmit_hook) {
+ ctx->resubmit_hook(ctx, rule);
+ }
+ if (rule == NULL && may_packet_in) {
+ /* XXX
+ * check if table configuration flags
+ * OFPTC_TABLE_MISS_CONTROLLER, default.
+ * OFPTC_TABLE_MISS_CONTINUE,
+ * OFPTC_TABLE_MISS_DROP
+ * When OF1.0, OFPTC_TABLE_MISS_CONTINUE is used. What to do?
+ */
+ rule = rule_dpif_miss_rule(ctx->ofproto, &ctx->flow);
+ }
+ if (rule && ctx->resubmit_stats) {
+ rule_credit_stats(rule, ctx->resubmit_stats);
+ }
+ return rule;
+}
+
static void
xlate_table_action(struct action_xlate_ctx *ctx,
uint16_t in_port, uint8_t table_id, bool may_packet_in)
{
if (ctx->recurse < MAX_RESUBMIT_RECURSION) {
- struct ofproto_dpif *ofproto = ctx->ofproto;
struct rule_dpif *rule;
- uint16_t old_in_port;
- uint8_t old_table_id;
+ uint16_t old_in_port = ctx->flow.in_port;
+ uint8_t old_table_id = ctx->table_id;
- old_table_id = ctx->table_id;
ctx->table_id = table_id;
/* Look up a flow with 'in_port' as the input port. */
- old_in_port = ctx->flow.in_port;
ctx->flow.in_port = in_port;
- rule = rule_dpif_lookup__(ofproto, &ctx->flow, table_id);
-
- /* Tag the flow. */
- if (table_id > 0 && table_id < N_TABLES) {
- struct table_dpif *table = &ofproto->tables[table_id];
- if (table->other_table) {
- ctx->tags |= (rule && rule->tag
- ? rule->tag
- : rule_calculate_tag(&ctx->flow,
- &table->other_table->mask,
- table->basis));
- }
- }
+ rule = rule_dpif_lookup__(ctx->ofproto, &ctx->flow, table_id);
+
+ tag_the_flow(ctx, rule);
/* Restore the original input port. Otherwise OFPP_NORMAL and
* OFPP_IN_PORT will have surprising behavior. */
ctx->flow.in_port = old_in_port;
- if (ctx->resubmit_hook) {
- ctx->resubmit_hook(ctx, rule);
- }
-
- if (rule == NULL && may_packet_in) {
- /* XXX
- * check if table configuration flags
- * OFPTC_TABLE_MISS_CONTROLLER, default.
- * OFPTC_TABLE_MISS_CONTINUE,
- * OFPTC_TABLE_MISS_DROP
- * When OF1.0, OFPTC_TABLE_MISS_CONTINUE is used. What to do?
- */
- rule = rule_dpif_miss_rule(ofproto, &ctx->flow);
- }
+ rule = ctx_rule_hooks(ctx, rule, may_packet_in);
if (rule) {
struct rule_dpif *old_rule = ctx->rule;
- if (ctx->resubmit_stats) {
- rule_credit_stats(rule, ctx->resubmit_stats);
- }
-
ctx->recurse++;
ctx->rule = rule;
do_xlate_actions(rule->up.ofpacts, rule->up.ofpacts_len, ctx);
if (packet->l2 && packet->l3) {
struct eth_header *eh;
+ uint16_t mpls_depth;
eth_pop_vlan(packet);
eh = packet->l2;
- /* If the Ethernet type is less than ETH_TYPE_MIN, it's likely an 802.2
- * LLC frame. Calculating the Ethernet type of these frames is more
- * trouble than seems appropriate for a simple assertion. */
- ovs_assert(ntohs(eh->eth_type) < ETH_TYPE_MIN
- || eh->eth_type == ctx->flow.dl_type);
-
memcpy(eh->eth_src, ctx->flow.dl_src, sizeof eh->eth_src);
memcpy(eh->eth_dst, ctx->flow.dl_dst, sizeof eh->eth_dst);
eth_push_vlan(packet, ctx->flow.vlan_tci);
}
+ mpls_depth = eth_mpls_depth(packet);
+
+ if (mpls_depth < ctx->flow.mpls_depth) {
+ push_mpls(packet, ctx->flow.dl_type, ctx->flow.mpls_lse);
+ } else if (mpls_depth > ctx->flow.mpls_depth) {
+ pop_mpls(packet, ctx->flow.dl_type);
+ } else if (mpls_depth) {
+ set_mpls_lse(packet, ctx->flow.mpls_lse);
+ }
+
if (packet->l4) {
if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
packet_set_ipv4(packet, ctx->flow.nw_src, ctx->flow.nw_dst,
ofpbuf_delete(packet);
}
+static void
+execute_mpls_push_action(struct action_xlate_ctx *ctx, ovs_be16 eth_type)
+{
+ ovs_assert(eth_type_mpls(eth_type));
+
+ if (ctx->base_flow.mpls_depth) {
+ ctx->flow.mpls_lse &= ~htonl(MPLS_BOS_MASK);
+ ctx->flow.mpls_depth++;
+ } else {
+ ovs_be32 label;
+ uint8_t tc, ttl;
+
+ if (ctx->flow.dl_type == htons(ETH_TYPE_IPV6)) {
+ label = htonl(0x2); /* IPV6 Explicit Null. */
+ } else {
+ label = htonl(0x0); /* IPV4 Explicit Null. */
+ }
+ tc = (ctx->flow.nw_tos & IP_DSCP_MASK) >> 2;
+ ttl = ctx->flow.nw_ttl ? ctx->flow.nw_ttl : 0x40;
+ ctx->flow.mpls_lse = set_mpls_lse_values(ttl, tc, 1, label);
+ ctx->flow.mpls_depth = 1;
+ }
+ ctx->flow.dl_type = eth_type;
+}
+
+static void
+execute_mpls_pop_action(struct action_xlate_ctx *ctx, ovs_be16 eth_type)
+{
+ ovs_assert(eth_type_mpls(ctx->flow.dl_type));
+ ovs_assert(!eth_type_mpls(eth_type));
+
+ if (ctx->flow.mpls_depth) {
+ ctx->flow.mpls_depth--;
+ ctx->flow.mpls_lse = htonl(0);
+ if (!ctx->flow.mpls_depth) {
+ ctx->flow.dl_type = eth_type;
+ }
+ }
+}
+
static bool
compose_dec_ttl(struct action_xlate_ctx *ctx, struct ofpact_cnt_ids *ids)
{
}
}
+static bool
+execute_set_mpls_ttl_action(struct action_xlate_ctx *ctx, uint8_t ttl)
+{
+ if (!eth_type_mpls(ctx->flow.dl_type)) {
+ return true;
+ }
+
+ set_mpls_lse_ttl(&ctx->flow.mpls_lse, ttl);
+ return false;
+}
+
+static bool
+execute_dec_mpls_ttl_action(struct action_xlate_ctx *ctx)
+{
+ uint8_t ttl = mpls_lse_to_ttl(ctx->flow.mpls_lse);
+
+ if (!eth_type_mpls(ctx->flow.dl_type)) {
+ return false;
+ }
+
+ if (ttl > 1) {
+ ttl--;
+ set_mpls_lse_ttl(&ctx->flow.mpls_lse, ttl);
+ return false;
+ } else {
+ execute_controller_action(ctx, UINT16_MAX, OFPR_INVALID_TTL, 0);
+
+ /* Stop processing for current table. */
+ return true;
+ }
+}
+
static void
xlate_output_action(struct action_xlate_ctx *ctx,
uint16_t port, uint16_t max_len, bool may_packet_in)
}
}
-struct xlate_reg_state {
- ovs_be16 vlan_tci;
- ovs_be64 tun_id;
-};
-
-static void
-xlate_autopath(struct action_xlate_ctx *ctx,
- const struct ofpact_autopath *ap)
-{
- uint16_t ofp_port = ap->port;
- struct ofport_dpif *port = get_ofp_port(ctx->ofproto, ofp_port);
-
- if (!port || !port->bundle) {
- ofp_port = OFPP_NONE;
- } else if (port->bundle->bond) {
- /* Autopath does not support VLAN hashing. */
- struct ofport_dpif *slave = bond_choose_output_slave(
- port->bundle->bond, &ctx->flow, 0, &ctx->tags);
- if (slave) {
- ofp_port = slave->up.ofp_port;
- }
- }
- nxm_reg_load(&ap->dst, ofp_port, &ctx->flow);
-}
-
static bool
slave_enabled_cb(uint16_t ofp_port, void *ofproto_)
{
}
}
+static void
+xlate_sample_action(struct action_xlate_ctx *ctx,
+ const struct ofpact_sample *os)
+{
+ union user_action_cookie cookie;
+ /* Scale the probability from 16-bit to 32-bit while representing
+ * the same percentage. */
+ uint32_t probability = (os->probability << 16) | os->probability;
+
+ commit_odp_actions(&ctx->flow, &ctx->base_flow, ctx->odp_actions);
+
+ compose_flow_sample_cookie(os->probability, os->collector_set_id,
+ os->obs_domain_id, os->obs_point_id, &cookie);
+ compose_sample_action(ctx->ofproto, ctx->odp_actions, &ctx->flow,
+ probability, &cookie, sizeof cookie.flow_sample);
+}
+
static bool
may_receive(const struct ofport_dpif *port, struct action_xlate_ctx *ctx)
{
return true;
}
+static bool
+tunnel_ecn_ok(struct action_xlate_ctx *ctx)
+{
+ if (is_ip_any(&ctx->base_flow)
+ && (ctx->flow.tunnel.ip_tos & IP_ECN_MASK) == IP_ECN_CE) {
+ if ((ctx->base_flow.nw_tos & IP_ECN_MASK) == IP_ECN_NOT_ECT) {
+ VLOG_WARN_RL(&rl, "dropping tunnel packet marked ECN CE"
+ " but is not ECN capable");
+ return false;
+ } else {
+ /* Set the ECN CE value in the tunneled packet. */
+ ctx->flow.nw_tos |= IP_ECN_CE;
+ }
+ }
+
+ return true;
+}
+
static void
do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
struct action_xlate_ctx *ctx)
{
- const struct ofport_dpif *port;
bool was_evictable = true;
const struct ofpact *a;
- port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
- if (port && !may_receive(port, ctx)) {
- /* Drop this flow. */
- return;
- }
-
if (ctx->rule) {
/* Don't let the rule we're working on get evicted underneath us. */
was_evictable = ctx->rule->up.evictable;
ctx->rule->up.evictable = false;
}
+
+ do_xlate_actions_again:
OFPACT_FOR_EACH (a, ofpacts, ofpacts_len) {
struct ofpact_controller *controller;
const struct ofpact_metadata *metadata;
break;
case OFPACT_SET_IPV4_SRC:
- ctx->flow.nw_src = ofpact_get_SET_IPV4_SRC(a)->ipv4;
+ if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->flow.nw_src = ofpact_get_SET_IPV4_SRC(a)->ipv4;
+ }
break;
case OFPACT_SET_IPV4_DST:
- ctx->flow.nw_dst = ofpact_get_SET_IPV4_DST(a)->ipv4;
+ if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->flow.nw_dst = ofpact_get_SET_IPV4_DST(a)->ipv4;
+ }
break;
case OFPACT_SET_IPV4_DSCP:
break;
case OFPACT_SET_L4_SRC_PORT:
- ctx->flow.tp_src = htons(ofpact_get_SET_L4_SRC_PORT(a)->port);
+ if (is_ip_any(&ctx->flow)) {
+ ctx->flow.tp_src = htons(ofpact_get_SET_L4_SRC_PORT(a)->port);
+ }
break;
case OFPACT_SET_L4_DST_PORT:
- ctx->flow.tp_dst = htons(ofpact_get_SET_L4_DST_PORT(a)->port);
+ if (is_ip_any(&ctx->flow)) {
+ ctx->flow.tp_dst = htons(ofpact_get_SET_L4_DST_PORT(a)->port);
+ }
break;
case OFPACT_RESUBMIT:
nxm_execute_reg_load(ofpact_get_REG_LOAD(a), &ctx->flow);
break;
+ case OFPACT_STACK_PUSH:
+ nxm_execute_stack_push(ofpact_get_STACK_PUSH(a), &ctx->flow,
+ &ctx->stack);
+ break;
+
+ case OFPACT_STACK_POP:
+ nxm_execute_stack_pop(ofpact_get_STACK_POP(a), &ctx->flow,
+ &ctx->stack);
+ break;
+
+ case OFPACT_PUSH_MPLS:
+ execute_mpls_push_action(ctx, ofpact_get_PUSH_MPLS(a)->ethertype);
+ break;
+
+ case OFPACT_POP_MPLS:
+ execute_mpls_pop_action(ctx, ofpact_get_POP_MPLS(a)->ethertype);
+ break;
+
+ case OFPACT_SET_MPLS_TTL:
+ if (execute_set_mpls_ttl_action(ctx, ofpact_get_SET_MPLS_TTL(a)->ttl)) {
+ goto out;
+ }
+ break;
+
+ case OFPACT_DEC_MPLS_TTL:
+ if (execute_dec_mpls_ttl_action(ctx)) {
+ goto out;
+ }
+ break;
+
case OFPACT_DEC_TTL:
if (compose_dec_ttl(ctx, ofpact_get_DEC_TTL(a))) {
goto out;
multipath_execute(ofpact_get_MULTIPATH(a), &ctx->flow);
break;
- case OFPACT_AUTOPATH:
- xlate_autopath(ctx, ofpact_get_AUTOPATH(a));
- break;
-
case OFPACT_BUNDLE:
ctx->ofproto->has_bundle_action = true;
xlate_bundle_action(ctx, ofpact_get_BUNDLE(a));
break;
case OFPACT_GOTO_TABLE: {
- /* XXX remove recursion */
- /* It is assumed that goto-table is last action */
+ /* It is assumed that goto-table is the last action. */
struct ofpact_goto_table *ogt = ofpact_get_GOTO_TABLE(a);
+ struct rule_dpif *rule;
+
ovs_assert(ctx->table_id < ogt->table_id);
- xlate_table_action(ctx, ctx->flow.in_port, ogt->table_id, true);
+
+ ctx->table_id = ogt->table_id;
+
+ /* Look up a flow from the new table. */
+ rule = rule_dpif_lookup__(ctx->ofproto, &ctx->flow, ctx->table_id);
+
+ tag_the_flow(ctx, rule);
+
+ rule = ctx_rule_hooks(ctx, rule, true);
+
+ if (rule) {
+ if (ctx->rule) {
+ ctx->rule->up.evictable = was_evictable;
+ }
+ ctx->rule = rule;
+ was_evictable = rule->up.evictable;
+ rule->up.evictable = false;
+
+ /* Tail recursion removal. */
+ ofpacts = rule->up.ofpacts;
+ ofpacts_len = rule->up.ofpacts_len;
+ goto do_xlate_actions_again;
+ }
break;
}
+
+ case OFPACT_SAMPLE:
+ xlate_sample_action(ctx, ofpact_get_SAMPLE(a));
+ break;
}
}
out:
- /* We've let OFPP_NORMAL and the learning action look at the packet,
- * so drop it now if forwarding is disabled. */
- if (port && !stp_forward_in_state(port->stp_state)) {
- ofpbuf_clear(ctx->odp_actions);
- add_sflow_action(ctx);
- }
if (ctx->rule) {
ctx->rule->up.evictable = was_evictable;
}
static void
action_xlate_ctx_init(struct action_xlate_ctx *ctx,
struct ofproto_dpif *ofproto, const struct flow *flow,
- ovs_be16 initial_tci, struct rule_dpif *rule,
+ const struct initial_vals *initial_vals,
+ struct rule_dpif *rule,
uint8_t tcp_flags, const struct ofpbuf *packet)
{
- ovs_be64 initial_tun_id = flow->tunnel.tun_id;
-
/* Flow initialization rules:
* - 'base_flow' must match the kernel's view of the packet at the
* time that action processing starts. 'flow' represents any
* to another device without any modifications this will cause us to
* insert a new tag since the original one was stripped off by the
* VLAN device.
- * - Tunnel 'flow' is largely cleared when transitioning between
- * the input and output stages since it does not make sense to output
- * a packet with the exact headers that it was received with (i.e.
- * the destination IP is us). The one exception is the tun_id, which
- * is preserved to allow use in later resubmit lookups and loads into
- * registers.
+ * - Tunnel metadata as received is retained in 'flow'. This allows
+ * tunnel metadata matching also in later tables.
+ * Since a kernel action for setting the tunnel metadata will only be
+ * generated with actual tunnel output, changing the tunnel metadata
+ * values in 'flow' (such as tun_id) will only have effect with a later
+ * tunnel output action.
* - Tunnel 'base_flow' is completely cleared since that is what the
* kernel does. If we wish to maintain the original values an action
* needs to be generated. */
ctx->ofproto = ofproto;
ctx->flow = *flow;
- memset(&ctx->flow.tunnel, 0, sizeof ctx->flow.tunnel);
ctx->base_flow = ctx->flow;
- ctx->base_flow.vlan_tci = initial_tci;
- ctx->flow.tunnel.tun_id = initial_tun_id;
+ memset(&ctx->base_flow.tunnel, 0, sizeof ctx->base_flow.tunnel);
+ ctx->orig_tunnel_ip_dst = flow->tunnel.ip_dst;
ctx->rule = rule;
ctx->packet = packet;
ctx->may_learn = packet != NULL;
ctx->resubmit_hook = NULL;
ctx->report_hook = NULL;
ctx->resubmit_stats = NULL;
+
+ if (initial_vals) {
+ ctx->base_flow.vlan_tci = initial_vals->vlan_tci;
+ }
}
/* Translates the 'ofpacts_len' bytes of "struct ofpacts" starting at 'ofpacts'
static bool hit_resubmit_limit;
enum slow_path_reason special;
+ struct ofport_dpif *in_port;
+ struct flow orig_flow;
COVERAGE_INC(ofproto_dpif_xlate);
ctx->table_id = 0;
ctx->exit = false;
+ ofpbuf_use_stub(&ctx->stack, ctx->init_stack, sizeof ctx->init_stack);
+
if (ctx->ofproto->has_mirrors || hit_resubmit_limit) {
/* Do this conditionally because the copy is expensive enough that it
- * shows up in profiles.
- *
- * We keep orig_flow in 'ctx' only because I couldn't make GCC 4.4
- * believe that I wasn't using it without initializing it if I kept it
- * in a local variable. */
- ctx->orig_flow = ctx->flow;
+ * shows up in profiles. */
+ orig_flow = ctx->flow;
}
if (ctx->flow.nw_frag & FLOW_NW_FRAG_ANY) {
}
}
- special = process_special(ctx->ofproto, &ctx->flow, ctx->packet);
+ in_port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
+ special = process_special(ctx->ofproto, &ctx->flow, in_port, ctx->packet);
if (special) {
ctx->slow |= special;
} else {
static struct vlog_rate_limit trace_rl = VLOG_RATE_LIMIT_INIT(1, 1);
- ovs_be16 initial_tci = ctx->base_flow.vlan_tci;
+ struct initial_vals initial_vals;
+ size_t sample_actions_len;
uint32_t local_odp_port;
+ initial_vals.vlan_tci = ctx->base_flow.vlan_tci;
+
add_sflow_action(ctx);
- do_xlate_actions(ofpacts, ofpacts_len, ctx);
+ add_ipfix_action(ctx);
+ sample_actions_len = ctx->odp_actions->size;
+
+ if (tunnel_ecn_ok(ctx) && (!in_port || may_receive(in_port, ctx))) {
+ do_xlate_actions(ofpacts, ofpacts_len, ctx);
+
+ /* We've let OFPP_NORMAL and the learning action look at the
+ * packet, so drop it now if forwarding is disabled. */
+ if (in_port && !stp_forward_in_state(in_port->stp_state)) {
+ ctx->odp_actions->size = sample_actions_len;
+ }
+ }
if (ctx->max_resubmit_trigger && !ctx->resubmit_hook) {
if (!hit_resubmit_limit) {
} else if (!VLOG_DROP_ERR(&trace_rl)) {
struct ds ds = DS_EMPTY_INITIALIZER;
- ofproto_trace(ctx->ofproto, &ctx->orig_flow, ctx->packet,
- initial_tci, &ds);
+ ofproto_trace(ctx->ofproto, &orig_flow, ctx->packet,
+ &initial_vals, &ds);
VLOG_ERR("Trace triggered by excessive resubmit "
"recursion:\n%s", ds_cstr(&ds));
ds_destroy(&ds);
}
}
if (ctx->ofproto->has_mirrors) {
- add_mirror_actions(ctx, &ctx->orig_flow);
+ add_mirror_actions(ctx, &orig_flow);
}
fix_sflow_action(ctx);
}
+
+ ofpbuf_uninit(&ctx->stack);
}
/* Translates the 'ofpacts_len' bytes of "struct ofpact"s starting at 'ofpacts'
in_bundle->name, vlan);
mac->port.p = in_bundle;
- tag_set_add(&ofproto->revalidate_set,
+ tag_set_add(&ofproto->backer->revalidate_set,
mac_learning_changed(ofproto->ml, mac));
}
}
if (table->catchall_table != catchall || table->other_table != other) {
table->catchall_table = catchall;
table->other_table = other;
- ofproto->need_revalidate = REV_FLOW_TABLE;
+ ofproto->backer->need_revalidate = REV_FLOW_TABLE;
}
}
table_update_taggable(ofproto, rule->up.table_id);
- if (!ofproto->need_revalidate) {
+ if (!ofproto->backer->need_revalidate) {
struct table_dpif *table = &ofproto->tables[rule->up.table_id];
if (table->other_table && rule->tag) {
- tag_set_add(&ofproto->revalidate_set, rule->tag);
+ tag_set_add(&ofproto->backer->revalidate_set, rule->tag);
} else {
- ofproto->need_revalidate = REV_FLOW_TABLE;
+ ofproto->backer->need_revalidate = REV_FLOW_TABLE;
}
}
}
enum ofp_config_flags frag_handling)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
-
if (frag_handling != OFPC_FRAG_REASM) {
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
return true;
} else {
return false;
const struct ofpact *ofpacts, size_t ofpacts_len)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ struct initial_vals initial_vals;
struct odputil_keybuf keybuf;
struct dpif_flow_stats stats;
dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
- action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci, NULL,
+ initial_vals.vlan_tci = flow->vlan_tci;
+ action_xlate_ctx_init(&ctx, ofproto, flow, &initial_vals, NULL,
packet_get_tcp_flags(packet, flow), packet);
ctx.resubmit_stats = &stats;
unixctl_command_reply_error(conn, "no such bridge");
return;
}
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
} else {
HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
- mac_learning_flush(ofproto->ml, &ofproto->revalidate_set);
+ mac_learning_flush(ofproto->ml, &ofproto->backer->revalidate_set);
}
}
struct ofproto_dpif *ofproto;
struct ofpbuf odp_key;
struct ofpbuf *packet;
- ovs_be16 initial_tci;
+ struct initial_vals initial_vals;
struct ds result;
struct flow flow;
char *s;
goto exit;
}
- /* XXX: Since we allow the user to specify an ofproto, it's
- * possible they will specify a different ofproto than the one the
- * port actually belongs too. Ideally we should simply remove the
- * ability to specify the ofproto. */
+ /* The user might have specified the wrong ofproto but within the
+ * same backer. That's OK, ofproto_receive() can find the right
+ * one for us. */
if (ofproto_receive(ofproto->backer, NULL, odp_key.data,
- odp_key.size, &flow, NULL, NULL, NULL,
- &initial_tci)) {
+ odp_key.size, &flow, NULL, &ofproto, NULL,
+ &initial_vals)) {
unixctl_command_reply_error(conn, "Invalid flow");
goto exit;
}
+ ds_put_format(&result, "Bridge: %s\n", ofproto->up.name);
} else {
char *error_s;
goto exit;
}
- initial_tci = flow.vlan_tci;
+ initial_vals.vlan_tci = flow.vlan_tci;
}
/* Generate a packet, if requested. */
flow_extract(packet, priority, mark, NULL, in_port, &flow);
flow.tunnel.tun_id = tun_id;
- initial_tci = flow.vlan_tci;
+ initial_vals.vlan_tci = flow.vlan_tci;
} else {
unixctl_command_reply_error(conn, "Bad command syntax");
goto exit;
}
- ofproto_trace(ofproto, &flow, packet, initial_tci, &result);
+ ofproto_trace(ofproto, &flow, packet, &initial_vals, &result);
unixctl_command_reply(conn, ds_cstr(&result));
exit:
static void
ofproto_trace(struct ofproto_dpif *ofproto, const struct flow *flow,
- const struct ofpbuf *packet, ovs_be16 initial_tci,
- struct ds *ds)
+ const struct ofpbuf *packet,
+ const struct initial_vals *initial_vals, struct ds *ds)
{
struct rule_dpif *rule;
trace.flow = *flow;
ofpbuf_use_stub(&odp_actions,
odp_actions_stub, sizeof odp_actions_stub);
- action_xlate_ctx_init(&trace.ctx, ofproto, flow, initial_tci,
+ action_xlate_ctx_init(&trace.ctx, ofproto, flow, initial_vals,
rule, tcp_flags, packet);
trace.ctx.resubmit_hook = trace_resubmit;
trace.ctx.report_hook = trace_report;
case SLOW_STP:
ds_put_cstr(ds, "\n\t- Consists of STP packets.");
break;
+ case SLOW_BFD:
+ ds_put_cstr(ds, "\n\t- Consists of BFD packets.");
+ break;
case SLOW_IN_BAND:
ds_put_cstr(ds, "\n\t- Needs in-band special case "
"processing.");
}
}
if (errors) {
- ofproto->need_revalidate = REV_INCONSISTENCY;
+ ofproto->backer->need_revalidate = REV_INCONSISTENCY;
}
if (errors) {
static void
show_dp_format(const struct ofproto_dpif *ofproto, struct ds *ds)
{
- struct dpif_dp_stats s;
const struct shash_node **ports;
int i;
+ struct avg_subfacet_rates lifetime;
+ unsigned long long int minutes;
+ const int min_ms = 60 * 1000; /* milliseconds in one minute. */
- dpif_get_dp_stats(ofproto->backer->dpif, &s);
+ minutes = (time_msec() - ofproto->created) / min_ms;
+
+ if (minutes > 0) {
+ lifetime.add_rate = (double)ofproto->total_subfacet_add_count
+ / minutes;
+ lifetime.del_rate = (double)ofproto->total_subfacet_del_count
+ / minutes;
+ }else {
+ lifetime.add_rate = 0.0;
+ lifetime.del_rate = 0.0;
+ }
ds_put_format(ds, "%s (%s):\n", ofproto->up.name,
dpif_name(ofproto->backer->dpif));
- /* xxx It would be better to show bridge-specific stats instead
- * xxx of dp ones. */
ds_put_format(ds,
- "\tlookups: hit:%"PRIu64" missed:%"PRIu64" lost:%"PRIu64"\n",
- s.n_hit, s.n_missed, s.n_lost);
- ds_put_format(ds, "\tflows: %zu\n",
- hmap_count(&ofproto->subfacets));
+ "\tlookups: hit:%"PRIu64" missed:%"PRIu64"\n",
+ ofproto->n_hit, ofproto->n_missed);
+ ds_put_format(ds, "\tflows: cur: %zu, avg: %5.3f, max: %d,"
+ " life span: %llu(ms)\n",
+ hmap_count(&ofproto->subfacets),
+ avg_subfacet_count(ofproto),
+ ofproto->max_n_subfacet,
+ avg_subfacet_life_span(ofproto));
+ if (minutes >= 60) {
+ show_dp_rates(ds, "\t\thourly avg:", &ofproto->hourly);
+ }
+ if (minutes >= 60 * 24) {
+ show_dp_rates(ds, "\t\tdaily avg:", &ofproto->daily);
+ }
+ show_dp_rates(ds, "\t\toverall avg:", &lifetime);
ports = shash_sort(&ofproto->up.port_by_name);
for (i = 0; i < shash_count(&ofproto->up.port_by_name); i++) {
struct ofport *ofport = node->data;
const char *name = netdev_get_name(ofport->netdev);
const char *type = netdev_get_type(ofport->netdev);
+ uint32_t odp_port;
+
+ ds_put_format(ds, "\t%s %u/", name, ofport->ofp_port);
+
+ odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
+ if (odp_port != OVSP_NONE) {
+ ds_put_format(ds, "%"PRIu32":", odp_port);
+ } else {
+ ds_put_cstr(ds, "none:");
+ }
- ds_put_format(ds, "\t%s %u/%u:", name, ofport->ofp_port,
- ofp_port_to_odp_port(ofproto, ofport->ofp_port));
if (strcmp(type, "system")) {
struct netdev *netdev;
int error;
return;
}
- HMAP_FOR_EACH (subfacet, hmap_node, &ofproto->subfacets) {
- struct odputil_keybuf keybuf;
- struct ofpbuf key;
+ update_stats(ofproto->backer);
- subfacet_get_key(subfacet, &keybuf, &key);
- odp_flow_key_format(key.data, key.size, &ds);
+ HMAP_FOR_EACH (subfacet, hmap_node, &ofproto->subfacets) {
+ odp_flow_key_format(subfacet->key, subfacet->key_len, &ds);
ds_put_format(&ds, ", packets:%"PRIu64", bytes:%"PRIu64", used:",
subfacet->dp_packet_count, subfacet->dp_byte_count);
}
ds_put_cstr(&ds, ", actions:");
- format_odp_actions(&ds, subfacet->actions, subfacet->actions_len);
+ if (subfacet->slow) {
+ uint64_t slow_path_stub[128 / 8];
+ const struct nlattr *actions;
+ size_t actions_len;
+
+ compose_slow_path(ofproto, &subfacet->facet->flow, subfacet->slow,
+ slow_path_stub, sizeof slow_path_stub,
+ &actions, &actions_len);
+ format_odp_actions(&ds, actions, actions_len);
+ } else {
+ format_odp_actions(&ds, subfacet->actions, subfacet->actions_len);
+ }
ds_put_char(&ds, '\n');
}
return 0;
}
- ofproto->need_revalidate = REV_RECONFIGURE;
+ ofproto->backer->need_revalidate = REV_RECONFIGURE;
if (ofport->realdev_ofp_port) {
vsp_remove(ofport);
return OFPP_NONE;
}
}
+static unsigned long long int
+avg_subfacet_life_span(const struct ofproto_dpif *ofproto)
+{
+ unsigned long long int dc;
+ unsigned long long int avg;
+
+ dc = ofproto->total_subfacet_del_count + ofproto->subfacet_del_count;
+ avg = dc ? ofproto->total_subfacet_life_span / dc : 0;
+
+ return avg;
+}
+
+static double
+avg_subfacet_count(const struct ofproto_dpif *ofproto)
+{
+ double avg_c = 0.0;
+
+ if (ofproto->n_update_stats) {
+ avg_c = (double)ofproto->total_subfacet_count
+ / ofproto->n_update_stats;
+ }
+
+ return avg_c;
+}
+
+static void
+show_dp_rates(struct ds *ds, const char *heading,
+ const struct avg_subfacet_rates *rates)
+{
+ ds_put_format(ds, "%s add rate: %5.3f/min, del rate: %5.3f/min\n",
+ heading, rates->add_rate, rates->del_rate);
+}
+
+static void
+update_max_subfacet_count(struct ofproto_dpif *ofproto)
+{
+ ofproto->max_n_subfacet = MAX(ofproto->max_n_subfacet,
+ hmap_count(&ofproto->subfacets));
+}
+
+/* Compute exponentially weighted moving average, adding 'new' as the newest,
+ * most heavily weighted element. 'base' designates the rate of decay: after
+ * 'base' further updates, 'new''s weight in the EWMA decays to about 1/e
+ * (about .37). */
+static void
+exp_mavg(double *avg, int base, double new)
+{
+ *avg = (*avg * (base - 1) + new) / base;
+}
+
+static void
+update_moving_averages(struct ofproto_dpif *ofproto)
+{
+ const int min_ms = 60 * 1000; /* milliseconds in one minute. */
+
+ /* Update hourly averages on the minute boundaries. */
+ if (time_msec() - ofproto->last_minute >= min_ms) {
+ exp_mavg(&ofproto->hourly.add_rate, 60, ofproto->subfacet_add_count);
+ exp_mavg(&ofproto->hourly.del_rate, 60, ofproto->subfacet_del_count);
+
+ /* Update daily averages on the hour boundaries. */
+ if ((ofproto->last_minute - ofproto->created) / min_ms % 60 == 59) {
+ exp_mavg(&ofproto->daily.add_rate, 24, ofproto->hourly.add_rate);
+ exp_mavg(&ofproto->daily.del_rate, 24, ofproto->hourly.del_rate);
+ }
+
+ ofproto->total_subfacet_add_count += ofproto->subfacet_add_count;
+ ofproto->total_subfacet_del_count += ofproto->subfacet_del_count;
+ ofproto->subfacet_add_count = 0;
+ ofproto->subfacet_del_count = 0;
+ ofproto->last_minute += min_ms;
+ }
+}
+
+static void
+dpif_stats_update_hit_count(struct ofproto_dpif *ofproto, uint64_t delta)
+{
+ ofproto->n_hit += delta;
+}
const struct ofproto_class ofproto_dpif_class = {
init,
set_netflow,
get_netflow_ids,
set_sflow,
+ set_ipfix,
set_cfm,
- get_cfm_fault,
- get_cfm_opup,
- get_cfm_remote_mpids,
- get_cfm_health,
+ get_cfm_status,
+ set_bfd,
+ get_bfd_status,
set_stp,
get_stp_status,
set_stp_port,