COVERAGE_DEFINE(facet_revalidate);
COVERAGE_DEFINE(facet_unexpected);
COVERAGE_DEFINE(facet_suppress);
+COVERAGE_DEFINE(subfacet_install_fail);
/* Maximum depth of flow table recursion (due to resubmit actions) in a
* flow translation. */
}
static struct rule_dpif *rule_dpif_lookup(struct ofproto_dpif *,
- const struct flow *);
+ const struct flow *,
+ struct flow_wildcards *wc);
static struct rule_dpif *rule_dpif_lookup__(struct ofproto_dpif *,
const struct flow *,
+ struct flow_wildcards *wc,
uint8_t table);
static struct rule_dpif *rule_dpif_miss_rule(struct ofproto_dpif *ofproto,
const struct flow *flow);
+static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes);
static void rule_credit_stats(struct rule_dpif *,
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 *);
static bool ofbundle_includes_vlan(const struct ofbundle *, uint16_t vlan);
-struct action_xlate_ctx {
-/* action_xlate_ctx_init() initializes these members. */
+struct xlate_ctx;
- /* The ofproto. */
+/* 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;
+
+ /* If received on a tunnel, the IP TOS value of the tunnel. */
+ uint8_t tunnel_ip_tos;
+};
+
+struct xlate_out {
+ /* Wildcards relevant in translation. Any fields that were used to
+ * calculate the action must be set for caching and kernel
+ * wildcarding to work. For example, if the flow lookup involved
+ * performing the "normal" action on IPv4 and ARP packets, 'wc'
+ * would have the 'in_port' (always set), 'dl_type' (flow match),
+ * 'vlan_tci' (normal action), and 'dl_dst' (normal action) fields
+ * set. */
+ struct flow_wildcards wc;
+
+ tag_type tags; /* Tags associated with actions. */
+ enum slow_path_reason slow; /* 0 if fast path may be used. */
+ bool has_learn; /* Actions include NXAST_LEARN? */
+ bool has_normal; /* Actions output to OFPP_NORMAL? */
+ bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
+ uint16_t nf_output_iface; /* Output interface index for NetFlow. */
+ mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
+
+ uint64_t odp_actions_stub[256 / 8];
+ struct ofpbuf odp_actions;
+};
+
+struct xlate_in {
struct ofproto_dpif *ofproto;
/* Flow to which the OpenFlow actions apply. xlate_actions() will modify
* this flow when actions change header fields. */
struct flow flow;
- /* 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)];
+ struct initial_vals initial_vals;
/* The packet corresponding to 'flow', or a null pointer if we are
* revalidating without a packet to refer to. */
* not if we are just revalidating. */
bool may_learn;
- /* The rule that we are currently translating, or NULL. */
+ /* The rule initiating translation or NULL. */
struct rule_dpif *rule;
+ /* The actions to translate. If 'rule' is not NULL, these may be NULL. */
+ const struct ofpact *ofpacts;
+ size_t ofpacts_len;
+
/* Union of the set of TCP flags seen so far in this flow. (Used only by
* NXAST_FIN_TIMEOUT. Set to zero to avoid updating updating rules'
* timeouts.) */
* resubmit or OFPP_TABLE action didn't find a matching rule.
*
* This is normally null so the client has to set it manually after
- * calling action_xlate_ctx_init(). */
- void (*resubmit_hook)(struct action_xlate_ctx *, struct rule_dpif *rule);
+ * calling xlate_in_init(). */
+ void (*resubmit_hook)(struct xlate_ctx *, struct rule_dpif *rule);
/* If nonnull, flow translation calls this function to report some
* significant decision, e.g. to explain why OFPP_NORMAL translation
* dropped a packet. */
- void (*report_hook)(struct action_xlate_ctx *, const char *s);
+ void (*report_hook)(struct xlate_ctx *, const char *s);
/* If nonnull, flow translation credits the specified statistics to each
* rule reached through a resubmit or OFPP_TABLE action.
*
* This is normally null so the client has to set it manually after
- * calling action_xlate_ctx_init(). */
+ * calling xlate_in_init(). */
const struct dpif_flow_stats *resubmit_stats;
+};
-/* xlate_actions() initializes and uses these members. The client might want
- * to look at them after it returns. */
+/* Context used by xlate_actions() and its callees. */
+struct xlate_ctx {
+ struct xlate_in *xin;
+ struct xlate_out *xout;
- struct ofpbuf *odp_actions; /* Datapath actions. */
- tag_type tags; /* Tags associated with actions. */
- enum slow_path_reason slow; /* 0 if fast path may be used. */
- bool has_learn; /* Actions include NXAST_LEARN? */
- bool has_normal; /* Actions output to OFPP_NORMAL? */
- bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
- uint16_t nf_output_iface; /* Output interface index for NetFlow. */
- mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
+ struct ofproto_dpif *ofproto;
+
+ /* Flow at the last commit. */
+ struct flow base_flow;
-/* xlate_actions() initializes and uses these members, but the client has no
- * reason to look at them. */
+ /* Stack for the push and pop actions. Each stack element is of type
+ * "union mf_subvalue". */
+ union mf_subvalue init_stack[1024 / sizeof(union mf_subvalue)];
+ struct ofpbuf stack;
+
+ /* The rule that we are currently translating, or NULL. */
+ struct rule_dpif *rule;
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. */
bool exit; /* No further actions should be processed. */
};
-/* 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 xlate_in_init(struct xlate_in *, struct ofproto_dpif *,
+ const struct flow *, const struct initial_vals *,
+ struct rule_dpif *, uint8_t tcp_flags,
+ const struct ofpbuf *);
- /* If received on a tunnel, the IP TOS value of the tunnel. */
- uint8_t tunnel_ip_tos;
-};
+static void xlate_out_uninit(struct xlate_out *);
+
+static void xlate_actions(struct xlate_in *, struct xlate_out *);
+
+static void xlate_actions_for_side_effects(struct xlate_in *);
-static void action_xlate_ctx_init(struct action_xlate_ctx *,
- struct ofproto_dpif *, const struct flow *,
- 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,
- struct ofpbuf *odp_actions);
-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,
+static void xlate_table_action(struct xlate_ctx *, uint16_t in_port,
uint8_t table_id, bool may_packet_in);
static size_t put_userspace_action(const struct ofproto_dpif *,
const struct nlattr **actionsp,
size_t *actions_lenp);
-static void xlate_report(struct action_xlate_ctx *ctx, const char *s);
+static void xlate_report(struct xlate_ctx *ctx, const char *s);
+
+static void xlate_out_copy(struct xlate_out *dst, const struct xlate_out *src);
/* A subfacet (see "struct subfacet" below) has three possible installation
* states:
SF_SLOW_PATH, /* Send-to-userspace action is installed. */
};
-static const char *subfacet_path_to_string(enum subfacet_path);
-
/* A dpif flow and actions associated with a facet.
*
* See also the large comment on struct facet. */
uint64_t dp_packet_count; /* Last known packet count in the datapath. */
uint64_t dp_byte_count; /* Last known byte count in the datapath. */
- /* Datapath actions.
- *
- * These should be essentially identical for every subfacet in a facet, but
- * may differ in trivial ways due to VLAN splinters. */
- size_t actions_len; /* Number of bytes in actions[]. */
- struct nlattr *actions; /* Datapath actions. */
-
- enum slow_path_reason slow; /* 0 if fast path may be used. */
enum subfacet_path path; /* Installed in datapath? */
- /* 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
* flow definition only has the OpenFlow port number and the port is
struct subfacet **, int n);
static void subfacet_reset_dp_stats(struct subfacet *,
struct dpif_flow_stats *);
-static void subfacet_update_time(struct subfacet *, long long int used);
static void subfacet_update_stats(struct subfacet *,
const struct dpif_flow_stats *);
-static void subfacet_make_actions(struct subfacet *,
- const struct ofpbuf *packet,
- struct ofpbuf *odp_actions);
static int subfacet_install(struct subfacet *,
- const struct nlattr *actions, size_t actions_len,
- struct dpif_flow_stats *, enum slow_path_reason);
+ const struct ofpbuf *odp_actions,
+ struct dpif_flow_stats *);
static void subfacet_uninstall(struct subfacet *);
-static enum subfacet_path subfacet_want_path(enum slow_path_reason);
-
-/* An exact-match instantiation of an OpenFlow flow.
+/* A unique, non-overlapping instantiation of an OpenFlow flow.
*
* A facet associates a "struct flow", which represents the Open vSwitch
- * userspace idea of an exact-match flow, with one or more subfacets. Each
- * subfacet tracks the datapath's idea of the exact-match flow equivalent to
- * the facet. When the kernel module (or other dpif implementation) and Open
- * vSwitch userspace agree on the definition of a flow key, there is exactly
- * one subfacet per facet. If the dpif implementation supports more-specific
- * flow matching than userspace, however, a facet can have more than one
- * subfacet, each of which corresponds to some distinction in flow that
- * userspace simply doesn't understand.
+ * userspace idea of an exact-match flow, with one or more subfacets.
+ * While the facet is created based on an exact-match flow, it is stored
+ * within the ofproto based on the wildcards that could be expressed
+ * based on the flow table and other configuration. (See the 'wc'
+ * description in "struct xlate_out" for more details.)
+ *
+ * Each subfacet tracks the datapath's idea of the flow equivalent to
+ * the facet. When the kernel module (or other dpif implementation) and
+ * Open vSwitch userspace agree on the definition of a flow key, there
+ * is exactly one subfacet per facet. If the dpif implementation
+ * supports more-specific flow matching than userspace, however, a facet
+ * can have more than one subfacet. Examples include the dpif
+ * implementation not supporting the same wildcards as userspace or some
+ * distinction in flow that userspace simply doesn't understand.
*
- * Flow expiration works in terms of subfacets, so a facet must have at least
- * one subfacet or it will never expire, leaking memory. */
+ * Flow expiration works in terms of subfacets, so a facet must have at
+ * least one subfacet or it will never expire, leaking memory. */
struct facet {
/* Owners. */
struct hmap_node hmap_node; /* In owning ofproto's 'facets' hmap. */
long long int used; /* Time last used; time created if not used. */
/* Key. */
- struct flow flow;
+ struct flow flow; /* Flow of the creating subfacet. */
+ struct cls_rule cr; /* In 'ofproto_dpif's facets classifier. */
/* These statistics:
*
struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */
uint8_t tcp_flags; /* TCP flags seen for this 'rule'. */
- /* Properties of datapath actions.
- *
- * Every subfacet has its own actions because actions can differ slightly
- * between splintered and non-splintered subfacets due to the VLAN tag
- * being initially different (present vs. absent). All of them have these
- * properties in common so we just store one copy of them here. */
- bool has_learn; /* Actions include NXAST_LEARN? */
- bool has_normal; /* Actions output to OFPP_NORMAL? */
- bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
- tag_type tags; /* Tags that would require revalidation. */
- mirror_mask_t mirrors; /* Bitmap of dependent mirrors. */
+ struct xlate_out xout;
+
+ /* Initial values of the packet that may be needed later. */
+ struct initial_vals initial_vals;
/* Storage for a single subfacet, to reduce malloc() time and space
* overhead. (A facet always has at least one subfacet and in the common
long long int learn_rl; /* Rate limiter for facet_learn(). */
};
-static struct facet *facet_create(struct rule_dpif *,
- const struct flow *, uint32_t hash);
+static struct facet *facet_create(const struct flow_miss *, struct rule_dpif *,
+ struct xlate_out *,
+ struct dpif_flow_stats *);
static void facet_remove(struct facet *);
static void facet_free(struct facet *);
-static struct facet *facet_find(struct ofproto_dpif *,
- const struct flow *, uint32_t hash);
+static struct facet *facet_find(struct ofproto_dpif *, const struct flow *);
static struct facet *facet_lookup_valid(struct ofproto_dpif *,
- const struct flow *, uint32_t hash);
-static void facet_revalidate(struct facet *);
+ const struct flow *);
+static bool facet_revalidate(struct facet *);
static bool facet_check_consistency(struct facet *);
static void facet_flush_stats(struct facet *);
-static void facet_update_time(struct facet *, long long int used);
static void facet_reset_counters(struct facet *);
-static void facet_push_stats(struct facet *);
+static void facet_push_stats(struct facet *, bool may_learn);
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 ofport_dpif {
int vid;
};
-static uint32_t vsp_realdev_to_vlandev(const struct ofproto_dpif *,
- uint32_t realdev, ovs_be16 vlan_tci);
+static uint16_t vsp_realdev_to_vlandev(const struct ofproto_dpif *,
+ uint16_t realdev_ofp_port,
+ ovs_be16 vlan_tci);
static bool vsp_adjust_flow(const struct ofproto_dpif *, struct flow *);
static void vsp_remove(struct ofport_dpif *);
static void vsp_add(struct ofport_dpif *, uint16_t realdev_ofp_port, int vid);
struct tag_set revalidate_set; /* Revalidate only matching facets. */
struct hmap drop_keys; /* Set of dropped odp keys. */
+ bool recv_set_enable; /* Enables or disables receiving packets. */
};
/* All existing ofproto_backer instances, indexed by ofproto->up.type. */
/* Special OpenFlow rules. */
struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
-
- /* Statistics. */
- uint64_t n_matches;
+ struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
/* Bridging. */
struct netflow *netflow;
bool has_bonded_bundles;
/* Facets. */
- struct hmap facets;
+ struct classifier facets; /* Contains 'struct facet's. */
struct hmap subfacets;
struct governor *governor;
long long int consistency_rl;
const struct initial_vals *, struct ds *);
/* Packet processing. */
-static void update_learning_table(struct ofproto_dpif *,
- const struct flow *, int vlan,
+static void update_learning_table(struct ofproto_dpif *, const struct flow *,
+ struct flow_wildcards *, int vlan,
struct ofbundle *);
/* Upcalls. */
#define FLOW_MISS_MAX_BATCH 50
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,
+static void add_mirror_actions(struct xlate_ctx *ctx,
const struct flow *flow);
/* Global variables. */
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
push_all_stats();
}
+ /* If vswitchd started with other_config:flow_restore_wait set as "true",
+ * and the configuration has now changed to "false", enable receiving
+ * packets from the datapath. */
+ if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
+ backer->recv_set_enable = true;
+
+ error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
+ if (error) {
+ VLOG_ERR("Failed to enable receiving packets in dpif.");
+ return error;
+ }
+ dpif_flow_flush(backer->dpif);
+ backer->need_revalidate = REV_RECONFIGURE;
+ }
+
if (backer->need_revalidate
|| !tag_set_is_empty(&backer->revalidate_set)) {
struct tag_set revalidate_set = backer->revalidate_set;
HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
struct facet *facet, *next;
+ struct cls_cursor cursor;
if (ofproto->backer != backer) {
continue;
}
- HMAP_FOR_EACH_SAFE (facet, next, hmap_node, &ofproto->facets) {
+ cls_cursor_init(&cursor, &ofproto->facets, NULL);
+ CLS_CURSOR_FOR_EACH_SAFE (facet, next, cr, &cursor) {
if (need_revalidate
- || tag_set_intersects(&revalidate_set, facet->tags)) {
+ || tag_set_intersects(&revalidate_set, facet->xout.tags)) {
facet_revalidate(facet);
run_fast_rl();
}
}
}
- if (timer_expired(&backer->next_expiration)) {
+ if (!backer->recv_set_enable) {
+ /* Wake up before a max of 1000ms. */
+ timer_set_duration(&backer->next_expiration, 1000);
+ } else if (timer_expired(&backer->next_expiration)) {
int delay = expire(backer);
timer_set_duration(&backer->next_expiration, delay);
}
{
unsigned int work;
+ /* If recv_set_enable is false, we should not handle upcalls. */
+ if (!backer->recv_set_enable) {
+ 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.
*
backer->need_revalidate = 0;
simap_init(&backer->tnl_backers);
tag_set_init(&backer->revalidate_set);
+ backer->recv_set_enable = !ofproto_get_flow_restore_wait();
*backerp = backer;
- dpif_flow_flush(backer->dpif);
+ if (backer->recv_set_enable) {
+ dpif_flow_flush(backer->dpif);
+ }
/* Loop through the ports already on the datapath and remove any
* that we don't need anymore. */
shash_add(&all_dpif_backers, type, backer);
- error = dpif_recv_set(backer->dpif, true);
+ error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
if (error) {
VLOG_ERR("failed to listen on datapath of type %s: %s",
type, strerror(error));
max_ports = dpif_get_max_ports(ofproto->backer->dpif);
ofproto_init_max_ports(ofproto_, MIN(max_ports, OFPP_MAX));
- ofproto->n_matches = 0;
-
ofproto->netflow = NULL;
ofproto->sflow = NULL;
ofproto->ipfix = NULL;
}
ofproto->has_bonded_bundles = false;
- hmap_init(&ofproto->facets);
+ classifier_init(&ofproto->facets);
hmap_init(&ofproto->subfacets);
ofproto->governor = NULL;
ofproto->consistency_rl = LLONG_MIN;
return error;
}
- *rulep = rule_dpif_lookup__(ofproto, &fm.match.flow, TBL_INTERNAL);
+ *rulep = rule_dpif_lookup__(ofproto, &fm.match.flow, NULL, TBL_INTERNAL);
ovs_assert(*rulep != NULL);
return 0;
ofpbuf_clear(&ofpacts);
error = add_internal_flow(ofproto, id++, &ofpacts,
&ofproto->no_packet_in_rule);
+ if (error) {
+ return error;
+ }
+
+ error = add_internal_flow(ofproto, id++, &ofpacts,
+ &ofproto->drop_frags_rule);
return error;
}
hmap_destroy(&ofproto->bundles);
mac_learning_destroy(ofproto->ml);
- hmap_destroy(&ofproto->facets);
+ classifier_destroy(&ofproto->facets);
hmap_destroy(&ofproto->subfacets);
governor_destroy(ofproto->governor);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct ofport_dpif *ofport;
+ /* Do not perform any periodic activity required by 'ofproto' while
+ * waiting for flow restore to complete. */
+ if (ofproto_get_flow_restore_wait()) {
+ return 0;
+ }
+
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
port_run_fast(ofport);
}
complete_operations(ofproto);
}
+ /* Do not perform any periodic activity below required by 'ofproto' while
+ * waiting for flow restore to complete. */
+ if (ofproto_get_flow_restore_wait()) {
+ return 0;
+ }
+
error = run_fast(ofproto_);
if (error) {
return error;
/* Check the consistency of a random facet, to aid debugging. */
if (time_msec() >= ofproto->consistency_rl
- && !hmap_is_empty(&ofproto->facets)
+ && !classifier_is_empty(&ofproto->facets)
&& !ofproto->backer->need_revalidate) {
+ struct cls_table *table;
+ struct cls_rule *cr;
struct facet *facet;
ofproto->consistency_rl = time_msec() + 250;
- facet = CONTAINER_OF(hmap_random_node(&ofproto->facets),
- struct facet, hmap_node);
+ table = CONTAINER_OF(hmap_random_node(&ofproto->facets.tables),
+ struct cls_table, hmap_node);
+ cr = CONTAINER_OF(hmap_random_node(&table->rules), struct cls_rule,
+ hmap_node);
+ facet = CONTAINER_OF(cr, struct facet, cr);
+
if (!tag_set_intersects(&ofproto->backer->revalidate_set,
- facet->tags)) {
+ facet->xout.tags)) {
if (!facet_check_consistency(facet)) {
ofproto->backer->need_revalidate = REV_INCONSISTENCY;
}
poll_immediate_wake();
}
+ if (ofproto_get_flow_restore_wait()) {
+ return;
+ }
+
dpif_wait(ofproto->backer->dpif);
dpif_recv_wait(ofproto->backer->dpif);
if (ofproto->sflow) {
{
const struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- simap_increase(usage, "facets", hmap_count(&ofproto->facets));
+ simap_increase(usage, "facets", classifier_count(&ofproto->facets));
simap_increase(usage, "subfacets", hmap_count(&ofproto->subfacets));
}
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct dpif_dp_stats s;
+ uint64_t n_miss, n_no_pkt_in, n_bytes, n_dropped_frags;
+ uint64_t n_lookup;
strcpy(ots->name, "classifier");
dpif_get_dp_stats(ofproto->backer->dpif, &s);
+ rule_get_stats(&ofproto->miss_rule->up, &n_miss, &n_bytes);
+ rule_get_stats(&ofproto->no_packet_in_rule->up, &n_no_pkt_in, &n_bytes);
+ rule_get_stats(&ofproto->drop_frags_rule->up, &n_dropped_frags, &n_bytes);
- ots->lookup_count = htonll(s.n_hit + s.n_missed);
- ots->matched_count = htonll(s.n_hit + ofproto->n_matches);
+ n_lookup = s.n_hit + s.n_missed - n_dropped_frags;
+ ots->lookup_count = htonll(n_lookup);
+ ots->matched_count = htonll(n_lookup - n_miss - n_no_pkt_in);
}
static struct ofport *
port->carrier_seq = netdev_get_carrier_resets(netdev);
if (netdev_vport_is_patch(netdev)) {
- /* XXX By bailing out here, we don't do required sFlow work. */
+ /* 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;
}
if (port->bundle && port->bundle->bond) {
bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev);
}
+
+ if (port->cfm) {
+ cfm_set_netdev(port->cfm, port->up.netdev);
+ }
}
static void
ofproto = ofproto_dpif_cast(ofport->up.ofproto);
ofproto->backer->need_revalidate = REV_RECONFIGURE;
- ofport->cfm = cfm_create(netdev_get_name(ofport->up.netdev));
+ ofport->cfm = cfm_create(ofport->up.netdev);
}
if (cfm_configure(ofport->cfm, s)) {
}
}
-/* Returns true if STP should process 'flow'. */
+/* Returns true if STP should process 'flow'. Sets fields in 'wc' that
+ * were used to make the determination.*/
static bool
-stp_should_process_flow(const struct flow *flow)
+stp_should_process_flow(const struct flow *flow, struct flow_wildcards *wc)
{
+ memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
return eth_addr_equals(flow->dl_dst, eth_addr_stp);
}
struct flow_miss_op {
struct dpif_op dpif_op;
- void *garbage; /* Pointer to pass to free(), NULL if none. */
- uint64_t stub[1024 / 8]; /* Temporary buffer. */
+
+ uint64_t slow_stub[128 / 8]; /* Buffer for compose_slow_path() */
+ struct xlate_out xout;
+ bool xout_garbage; /* 'xout' needs to be uninitialized? */
+
+ struct ofpbuf mask; /* Flow mask for "put" ops. */
+ struct odputil_keybuf maskbuf;
+
+ /* If this is a "put" op, then a pointer to the subfacet that should
+ * be marked as uninstalled if the operation fails. */
+ struct subfacet *subfacet;
};
/* Sends an OFPT_PACKET_IN message for 'packet' of type OFPR_NO_MATCH to each
}
static enum slow_path_reason
-process_special(struct ofproto_dpif *ofproto, const struct flow *flow,
+process_special(struct xlate_ctx *ctx, const struct flow *flow,
const struct ofport_dpif *ofport, const struct ofpbuf *packet)
{
+ struct ofproto_dpif *ofproto = ctx->ofproto;
+ struct flow_wildcards *wc = &ctx->xout->wc;
+
if (!ofport) {
return 0;
- } else if (ofport->cfm && cfm_should_process_flow(ofport->cfm, flow)) {
+ } else if (ofport->cfm && cfm_should_process_flow(ofport->cfm, flow, wc)) {
if (packet) {
cfm_process_heartbeat(ofport->cfm, packet);
}
lacp_process_packet(ofport->bundle->lacp, ofport, packet);
}
return SLOW_LACP;
- } else if (ofproto->stp && stp_should_process_flow(flow)) {
+ } else if (ofproto->stp && stp_should_process_flow(flow, wc)) {
if (packet) {
stp_process_packet(ofport, packet);
}
eth_pop_vlan(packet);
}
- op->garbage = NULL;
+ op->subfacet = NULL;
+ op->xout_garbage = false;
op->dpif_op.type = DPIF_OP_EXECUTE;
op->dpif_op.u.execute.key = miss->key;
op->dpif_op.u.execute.key_len = miss->key_len;
op->dpif_op.u.execute.packet = packet;
+ ofpbuf_use_stack(&op->mask, &op->maskbuf, sizeof op->maskbuf);
}
/* Helper for handle_flow_miss_without_facet() and
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
- ofproto->n_matches++;
-
if (rule->up.cr.priority == FAIL_OPEN_PRIORITY) {
/*
* Extra-special case for fail-open mode.
}
/* Figures out whether a flow that missed in 'ofproto', whose details are in
- * 'miss', is likely to be worth tracking in detail in userspace and (usually)
- * installing a datapath flow. The answer is usually "yes" (a return value of
- * true). However, for short flows the cost of bookkeeping is much higher than
- * the benefits, so when the datapath holds a large number of flows we impose
- * some heuristics to decide which flows are likely to be worth tracking. */
+ * 'miss' masked by 'wc', is likely to be worth tracking in detail in userspace
+ * and (usually) installing a datapath flow. The answer is usually "yes" (a
+ * return value of true). However, for short flows the cost of bookkeeping is
+ * much higher than the benefits, so when the datapath holds a large number of
+ * flows we impose some heuristics to decide which flows are likely to be worth
+ * tracking. */
static bool
-flow_miss_should_make_facet(struct ofproto_dpif *ofproto,
- struct flow_miss *miss, uint32_t hash)
+flow_miss_should_make_facet(struct flow_miss *miss, struct flow_wildcards *wc)
{
+ struct ofproto_dpif *ofproto = miss->ofproto;
+ uint32_t hash;
+
if (!ofproto->governor) {
size_t n_subfacets;
ofproto->governor = governor_create(ofproto->up.name);
}
+ hash = flow_hash_in_wildcards(&miss->flow, wc, 0);
return governor_should_install_flow(ofproto->governor, hash,
list_size(&miss->packets));
}
-/* Handles 'miss', which matches 'rule', without creating a facet or subfacet
- * or creating any datapath flow. May add an "execute" operation to 'ops' and
- * increment '*n_ops'. */
+/* Handles 'miss' without creating a facet or subfacet or creating any datapath
+ * flow. 'miss->flow' must have matched 'rule' and been xlated into 'xout'.
+ * May add an "execute" operation to 'ops' and increment '*n_ops'. */
static void
-handle_flow_miss_without_facet(struct flow_miss *miss,
- struct rule_dpif *rule,
+handle_flow_miss_without_facet(struct rule_dpif *rule, struct xlate_out *xout,
+ struct flow_miss *miss,
struct flow_miss_op *ops, size_t *n_ops)
{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
- long long int now = time_msec();
- struct action_xlate_ctx ctx;
struct ofpbuf *packet;
LIST_FOR_EACH (packet, list_node, &miss->packets) {
- struct flow_miss_op *op = &ops[*n_ops];
- struct dpif_flow_stats stats;
- struct ofpbuf odp_actions;
COVERAGE_INC(facet_suppress);
- ofpbuf_use_stub(&odp_actions, op->stub, sizeof op->stub);
+ handle_flow_miss_common(rule, packet, &miss->flow);
- dpif_flow_stats_extract(&miss->flow, packet, now, &stats);
- rule_credit_stats(rule, &stats);
+ if (xout->slow) {
+ struct xlate_in xin;
- 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);
+ xlate_in_init(&xin, miss->ofproto, &miss->flow,
+ &miss->initial_vals, rule, 0, packet);
+ xlate_actions_for_side_effects(&xin);
+ }
- if (odp_actions.size) {
+ if (xout->odp_actions.size) {
+ struct flow_miss_op *op = &ops[*n_ops];
struct dpif_execute *execute = &op->dpif_op.u.execute;
init_flow_miss_execute_op(miss, packet, op);
- execute->actions = odp_actions.data;
- execute->actions_len = odp_actions.size;
- op->garbage = ofpbuf_get_uninit_pointer(&odp_actions);
+ xlate_out_copy(&op->xout, xout);
+ execute->actions = op->xout.odp_actions.data;
+ execute->actions_len = op->xout.odp_actions.size;
+ op->xout_garbage = true;
(*n_ops)++;
- } else {
- ofpbuf_uninit(&odp_actions);
}
}
}
* here, then the new subfacet or its packets could look (occasionally) as
* though it was used some time after the facet was used. That can make a
* one-packet flow look like it has a nonzero duration, which looks odd in
- * e.g. NetFlow statistics. */
+ * e.g. NetFlow statistics.
+ *
+ * If non-null, 'stats' will be folded into 'facet'. */
static void
handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet,
- long long int now,
+ long long int now, struct dpif_flow_stats *stats,
struct flow_miss_op *ops, size_t *n_ops)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
struct ofpbuf *packet;
subfacet = subfacet_create(facet, miss, now);
+ want_path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH;
+ if (stats) {
+ subfacet_update_stats(subfacet, stats);
+ }
LIST_FOR_EACH (packet, list_node, &miss->packets) {
struct flow_miss_op *op = &ops[*n_ops];
- struct dpif_flow_stats stats;
- struct ofpbuf odp_actions;
handle_flow_miss_common(facet->rule, packet, &miss->flow);
- ofpbuf_use_stub(&odp_actions, op->stub, sizeof op->stub);
- if (!subfacet->actions || subfacet->slow) {
- subfacet_make_actions(subfacet, packet, &odp_actions);
- }
+ if (want_path != SF_FAST_PATH) {
+ struct xlate_in xin;
- dpif_flow_stats_extract(&facet->flow, packet, now, &stats);
- subfacet_update_stats(subfacet, &stats);
+ xlate_in_init(&xin, ofproto, &miss->flow, &miss->initial_vals,
+ facet->rule, 0, packet);
+ xlate_actions_for_side_effects(&xin);
+ }
- if (subfacet->actions_len) {
+ if (facet->xout.odp_actions.size) {
struct dpif_execute *execute = &op->dpif_op.u.execute;
init_flow_miss_execute_op(miss, packet, op);
- if (!subfacet->slow) {
- execute->actions = subfacet->actions;
- execute->actions_len = subfacet->actions_len;
- ofpbuf_uninit(&odp_actions);
- } else {
- execute->actions = odp_actions.data;
- execute->actions_len = odp_actions.size;
- op->garbage = ofpbuf_get_uninit_pointer(&odp_actions);
- }
-
+ execute->actions = facet->xout.odp_actions.data,
+ execute->actions_len = facet->xout.odp_actions.size;
(*n_ops)++;
- } else {
- ofpbuf_uninit(&odp_actions);
}
}
- want_path = subfacet_want_path(subfacet->slow);
if (miss->upcall_type == DPIF_UC_MISS || subfacet->path != want_path) {
struct flow_miss_op *op = &ops[(*n_ops)++];
struct dpif_flow_put *put = &op->dpif_op.u.flow_put;
subfacet->path = want_path;
- op->garbage = NULL;
+ ofpbuf_use_stack(&op->mask, &op->maskbuf, sizeof op->maskbuf);
+ odp_flow_key_from_mask(&op->mask, &facet->xout.wc.masks,
+ &miss->flow, UINT32_MAX);
+
+ op->xout_garbage = false;
op->dpif_op.type = DPIF_OP_FLOW_PUT;
+ op->subfacet = subfacet;
put->flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
put->key = miss->key;
put->key_len = miss->key_len;
+ put->mask = op->mask.data;
+ put->mask_len = op->mask.size;
+
if (want_path == SF_FAST_PATH) {
- put->actions = subfacet->actions;
- put->actions_len = subfacet->actions_len;
+ put->actions = facet->xout.odp_actions.data;
+ put->actions_len = facet->xout.odp_actions.size;
} else {
- compose_slow_path(ofproto, &facet->flow, subfacet->slow,
- op->stub, sizeof op->stub,
+ compose_slow_path(ofproto, &miss->flow, facet->xout.slow,
+ op->slow_stub, sizeof op->slow_stub,
&put->actions, &put->actions_len);
}
put->stats = NULL;
size_t *n_ops)
{
struct ofproto_dpif *ofproto = miss->ofproto;
+ struct dpif_flow_stats stats__;
+ struct dpif_flow_stats *stats = &stats__;
+ struct ofpbuf *packet;
struct facet *facet;
long long int now;
- uint32_t hash;
- /* The caller must ensure that miss->hmap_node.hash contains
- * flow_hash(miss->flow, 0). */
- hash = miss->hmap_node.hash;
+ now = time_msec();
+ memset(stats, 0, sizeof *stats);
+ stats->used = now;
+ LIST_FOR_EACH (packet, list_node, &miss->packets) {
+ stats->tcp_flags |= packet_get_tcp_flags(packet, &miss->flow);
+ stats->n_bytes += packet->size;
+ stats->n_packets++;
+ }
- facet = facet_lookup_valid(ofproto, &miss->flow, hash);
+ facet = facet_lookup_valid(ofproto, &miss->flow);
if (!facet) {
- struct rule_dpif *rule = rule_dpif_lookup(ofproto, &miss->flow);
-
- if (!flow_miss_should_make_facet(ofproto, miss, hash)) {
- handle_flow_miss_without_facet(miss, rule, ops, n_ops);
+ struct flow_wildcards wc;
+ struct rule_dpif *rule;
+ struct xlate_out xout;
+ struct xlate_in xin;
+
+ flow_wildcards_init_catchall(&wc);
+ rule = rule_dpif_lookup(ofproto, &miss->flow, &wc);
+ rule_credit_stats(rule, stats);
+
+ xlate_in_init(&xin, ofproto, &miss->flow, &miss->initial_vals, rule,
+ stats->tcp_flags, NULL);
+ xin.resubmit_stats = stats;
+ xin.may_learn = true;
+ xlate_actions(&xin, &xout);
+ flow_wildcards_or(&xout.wc, &xout.wc, &wc);
+
+ /* There does not exist a bijection between 'struct flow' and datapath
+ * flow keys with fitness ODP_FIT_TO_LITTLE. This breaks a fundamental
+ * assumption used throughout the facet and subfacet handling code.
+ * Since we have to handle these misses in userspace anyway, we simply
+ * skip facet creation, avoiding the problem altogether. */
+ if (miss->key_fitness == ODP_FIT_TOO_LITTLE
+ || !flow_miss_should_make_facet(miss, &xout.wc)) {
+ handle_flow_miss_without_facet(rule, &xout, miss, ops, n_ops);
return;
}
- facet = facet_create(rule, &miss->flow, hash);
- now = facet->used;
- } else {
- now = time_msec();
+ facet = facet_create(miss, rule, &xout, stats);
+ stats = NULL;
}
- handle_flow_miss_with_facet(miss, facet, now, ops, n_ops);
+ handle_flow_miss_with_facet(miss, facet, now, stats, ops, n_ops);
}
static struct drop_key *
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);
+ drop_key->key, drop_key->key_len,
+ NULL, 0, NULL, 0, NULL);
}
continue;
}
}
dpif_operate(backer->dpif, dpif_ops, n_ops);
- /* Free memory. */
for (i = 0; i < n_ops; i++) {
- free(flow_miss_ops[i].garbage);
+ if (dpif_ops[i]->error != 0
+ && flow_miss_ops[i].dpif_op.type == DPIF_OP_FLOW_PUT
+ && flow_miss_ops[i].subfacet) {
+ struct subfacet *subfacet = flow_miss_ops[i].subfacet;
+
+ COVERAGE_INC(subfacet_install_fail);
+
+ subfacet->path = SF_NOT_INSTALLED;
+ }
+
+ /* Free memory. */
+ if (flow_miss_ops[i].xout_garbage) {
+ xlate_out_uninit(&flow_miss_ops[i].xout);
+ }
}
hmap_destroy(&todo);
}
const struct dpif_flow_stats *stats)
{
struct facet *facet = subfacet->facet;
+ struct dpif_flow_stats diff;
+
+ diff.tcp_flags = stats->tcp_flags;
+ diff.used = stats->used;
if (stats->n_packets >= subfacet->dp_packet_count) {
- uint64_t extra = stats->n_packets - subfacet->dp_packet_count;
- facet->packet_count += extra;
+ diff.n_packets = stats->n_packets - subfacet->dp_packet_count;
} else {
VLOG_WARN_RL(&rl, "unexpected packet count from the datapath");
+ diff.n_packets = 0;
}
if (stats->n_bytes >= subfacet->dp_byte_count) {
- facet->byte_count += stats->n_bytes - subfacet->dp_byte_count;
+ diff.n_bytes = stats->n_bytes - subfacet->dp_byte_count;
} else {
VLOG_WARN_RL(&rl, "unexpected byte count from datapath");
+ diff.n_bytes = 0;
}
subfacet->dp_packet_count = stats->n_packets;
subfacet->dp_byte_count = stats->n_bytes;
+ subfacet_update_stats(subfacet, &diff);
- facet->tcp_flags |= stats->tcp_flags;
-
- subfacet_update_time(subfacet, stats->used);
if (facet->accounted_bytes < facet->byte_count) {
facet_learn(facet);
facet_account(facet);
{
const struct dpif_flow_stats *stats;
struct dpif_flow_dump dump;
- const struct nlattr *key;
struct ofproto_dpif *ofproto;
- size_t key_len;
+ const struct nlattr *key, *mask;
+ size_t key_len, mask_len;
dpif_flow_dump_start(&dump, backer->dpif);
- while (dpif_flow_dump_next(&dump, &key, &key_len, NULL, NULL, &stats)) {
+ while (dpif_flow_dump_next(&dump, &key, &key_len,
+ &mask, &mask_len, NULL, NULL, &stats)) {
struct flow flow;
struct subfacet *subfacet;
- struct ofport_dpif *ofport;
uint32_t key_hash;
if (ofproto_receive(backer, NULL, key, key_len, &flow, NULL, &ofproto,
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);
- }
-
key_hash = odp_flow_key_hash(key, key_len);
subfacet = subfacet_find(ofproto, key, key_len, key_hash);
switch (subfacet ? subfacet->path : SF_NOT_INSTALLED) {
&ofproto->subfacets) {
long long int cutoff;
- cutoff = (subfacet->slow & (SLOW_CFM | SLOW_LACP | SLOW_STP)
+ cutoff = (subfacet->facet->xout.slow & (SLOW_CFM | SLOW_LACP
+ | SLOW_STP)
? special_cutoff
: normal_cutoff);
if (subfacet->used < cutoff) {
\f
/* Facets. */
-/* Creates and returns a new facet owned by 'rule', given a 'flow'.
+/* Creates and returns a new facet based on 'miss'.
*
* The caller must already have determined that no facet with an identical
- * 'flow' exists in 'ofproto' and that 'flow' is the best match for 'rule' in
- * the ofproto's classifier table.
+ * 'miss->flow' exists in 'miss->ofproto'.
*
- * 'hash' must be the return value of flow_hash(flow, 0).
+ * 'rule' and 'xout' must have been created based on 'miss'.
+ *
+ * 'facet'' statistics are initialized based on 'stats'.
*
* The facet will initially have no subfacets. The caller should create (at
* least) one subfacet with subfacet_create(). */
static struct facet *
-facet_create(struct rule_dpif *rule, const struct flow *flow, uint32_t hash)
+facet_create(const struct flow_miss *miss, struct rule_dpif *rule,
+ struct xlate_out *xout, struct dpif_flow_stats *stats)
{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
+ struct ofproto_dpif *ofproto = miss->ofproto;
struct facet *facet;
+ struct match match;
facet = xzalloc(sizeof *facet);
- facet->used = time_msec();
- hmap_insert(&ofproto->facets, &facet->hmap_node, hash);
- list_push_back(&rule->facets, &facet->list_node);
+ facet->packet_count = facet->prev_packet_count = stats->n_packets;
+ facet->byte_count = facet->prev_byte_count = stats->n_bytes;
+ facet->tcp_flags = stats->tcp_flags;
+ facet->used = stats->used;
+ facet->flow = miss->flow;
+ facet->initial_vals = miss->initial_vals;
+ facet->learn_rl = time_msec() + 500;
facet->rule = rule;
- facet->flow = *flow;
+
+ list_push_back(&facet->rule->facets, &facet->list_node);
list_init(&facet->subfacets);
netflow_flow_init(&facet->nf_flow);
netflow_flow_update_time(ofproto->netflow, &facet->nf_flow, facet->used);
- facet->learn_rl = time_msec() + 500;
+ xlate_out_copy(&facet->xout, xout);
+
+ match_init(&match, &facet->flow, &facet->xout.wc);
+ cls_rule_init(&facet->cr, &match, OFP_DEFAULT_PRIORITY);
+ classifier_insert(&ofproto->facets, &facet->cr);
+
+ facet->nf_flow.output_iface = facet->xout.nf_output_iface;
return facet;
}
static void
facet_free(struct facet *facet)
{
- free(facet);
+ if (facet) {
+ xlate_out_uninit(&facet->xout);
+ free(facet);
+ }
}
/* Executes, within 'ofproto', the 'n_actions' actions in 'actions' on
return !error;
}
-/* Remove 'facet' from 'ofproto' and free up the associated memory:
+/* Remove 'facet' from its ofproto and free up the associated memory:
*
* - If 'facet' was installed in the datapath, uninstalls it and updates its
* rule's statistics, via subfacet_uninstall().
&facet->subfacets) {
subfacet_destroy__(subfacet);
}
- hmap_remove(&ofproto->facets, &facet->hmap_node);
+ classifier_remove(&ofproto->facets, &facet->cr);
+ cls_rule_destroy(&facet->cr);
list_remove(&facet->list_node);
facet_free(facet);
}
static void
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) {
+ if (!facet->xout.has_fin_timeout && now < facet->learn_rl) {
return;
}
facet->learn_rl = now + 500;
- if (!facet->has_learn
- && !facet->has_normal
- && (!facet->has_fin_timeout
+ if (!facet->xout.has_learn
+ && !facet->xout.has_normal
+ && (!facet->xout.has_fin_timeout
|| !(facet->tcp_flags & (TCP_FIN | TCP_RST)))) {
return;
}
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- &subfacet->initial_vals,
- facet->rule, facet->tcp_flags, NULL);
- ctx.may_learn = true;
- xlate_actions_for_side_effects(&ctx, facet->rule->up.ofpacts,
- facet->rule->up.ofpacts_len);
+ facet_push_stats(facet, true);
}
static void
facet_account(struct facet *facet)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- struct subfacet *subfacet = facet_get_subfacet(facet);
const struct nlattr *a;
unsigned int left;
ovs_be16 vlan_tci;
uint64_t n_bytes;
- if (!facet->has_normal || !ofproto->has_bonded_bundles) {
+ if (!facet->xout.has_normal || !ofproto->has_bonded_bundles) {
return;
}
n_bytes = facet->byte_count - facet->accounted_bytes;
* We use the actions from an arbitrary subfacet because they should all
* be equally valid for our purpose. */
vlan_tci = facet->flow.vlan_tci;
- NL_ATTR_FOR_EACH_UNSAFE (a, left,
- subfacet->actions, subfacet->actions_len) {
+ NL_ATTR_FOR_EACH_UNSAFE (a, left, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size) {
const struct ovs_action_push_vlan *vlan;
struct ofport_dpif *port;
ovs_assert(!subfacet->dp_packet_count);
}
- facet_push_stats(facet);
+ facet_push_stats(facet, false);
if (facet->accounted_bytes < facet->byte_count) {
facet_account(facet);
facet->accounted_bytes = facet->byte_count;
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->tcp_flags = 0;
}
-/* Searches 'ofproto''s table of facets for one exactly equal to 'flow'.
- * Returns it if found, otherwise a null pointer.
- *
- * 'hash' must be the return value of flow_hash(flow, 0).
+/* Searches 'ofproto''s table of facets for one which would be responsible for
+ * 'flow'. Returns it if found, otherwise a null pointer.
*
* The returned facet might need revalidation; use facet_lookup_valid()
* instead if that is important. */
static struct facet *
-facet_find(struct ofproto_dpif *ofproto,
- const struct flow *flow, uint32_t hash)
+facet_find(struct ofproto_dpif *ofproto, const struct flow *flow)
{
- struct facet *facet;
-
- HMAP_FOR_EACH_WITH_HASH (facet, hmap_node, hash, &ofproto->facets) {
- if (flow_equal(flow, &facet->flow)) {
- return facet;
- }
- }
-
- return NULL;
+ struct cls_rule *cr = classifier_lookup(&ofproto->facets, flow, NULL);
+ return cr ? CONTAINER_OF(cr, struct facet, cr) : NULL;
}
-/* Searches 'ofproto''s table of facets for one exactly equal to 'flow'.
- * Returns it if found, otherwise a null pointer.
- *
- * 'hash' must be the return value of flow_hash(flow, 0).
+/* Searches 'ofproto''s table of facets for one capable that covers
+ * 'flow'. Returns it if found, otherwise a null pointer.
*
* The returned facet is guaranteed to be valid. */
static struct facet *
-facet_lookup_valid(struct ofproto_dpif *ofproto, const struct flow *flow,
- uint32_t hash)
+facet_lookup_valid(struct ofproto_dpif *ofproto, const struct flow *flow)
{
struct facet *facet;
- facet = facet_find(ofproto, flow, hash);
+ facet = facet_find(ofproto, flow);
if (facet
&& (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);
+ facet->xout.tags))
+ && !facet_revalidate(facet)) {
+ return NULL;
}
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)
-{
- switch (path) {
- case SF_NOT_INSTALLED:
- return "not installed";
- case SF_FAST_PATH:
- return "in fast path";
- case SF_SLOW_PATH:
- return "in slow path";
- default:
- return "<error>";
- }
-}
-
-/* Returns the path in which a subfacet should be installed if its 'slow'
- * member has the specified value. */
-static enum subfacet_path
-subfacet_want_path(enum slow_path_reason slow)
-{
- return slow ? SF_SLOW_PATH : SF_FAST_PATH;
-}
-
-/* Returns true if 'subfacet' needs to have its datapath flow updated,
- * supposing that its actions have been recalculated as 'want_actions' and that
- * 'slow' is nonzero iff 'subfacet' should be in the slow path. */
-static bool
-subfacet_should_install(struct subfacet *subfacet, enum slow_path_reason slow,
- const struct ofpbuf *want_actions)
-{
- enum subfacet_path want_path = subfacet_want_path(slow);
- return (want_path != subfacet->path
- || (want_path == SF_FAST_PATH
- && (subfacet->actions_len != want_actions->size
- || memcmp(subfacet->actions, want_actions->data,
- subfacet->actions_len))));
-}
-
static bool
facet_check_consistency(struct facet *facet)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- uint64_t odp_actions_stub[1024 / 8];
- struct ofpbuf odp_actions;
+ struct xlate_out xout;
+ struct xlate_in xin;
struct rule_dpif *rule;
- struct subfacet *subfacet;
- bool may_log = false;
bool ok;
/* Check the rule for consistency. */
- rule = rule_dpif_lookup(ofproto, &facet->flow);
- ok = rule == facet->rule;
- if (!ok) {
- may_log = !VLOG_DROP_WARN(&rl);
- if (may_log) {
- struct ds s;
-
- ds_init(&s);
+ rule = rule_dpif_lookup(ofproto, &facet->flow, NULL);
+ if (rule != facet->rule) {
+ if (!VLOG_DROP_WARN(&rl)) {
+ struct ds s = DS_EMPTY_INITIALIZER;
+
flow_format(&s, &facet->flow);
ds_put_format(&s, ": facet associated with wrong rule (was "
"table=%"PRIu8",", facet->rule->up.table_id);
ds_put_format(&s, ") (should have been table=%"PRIu8",",
rule->up.table_id);
cls_rule_format(&rule->up.cr, &s);
- ds_put_char(&s, ')');
+ ds_put_cstr(&s, ")\n");
- VLOG_WARN("%s", ds_cstr(&s));
ds_destroy(&s);
}
+ return false;
}
/* Check the datapath actions for consistency. */
- 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 action_xlate_ctx ctx;
- struct ds s;
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals, rule,
+ 0, NULL);
+ xlate_actions(&xin, &xout);
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- &subfacet->initial_vals, rule, 0, NULL);
- xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len,
- &odp_actions);
-
- if (subfacet->path == SF_NOT_INSTALLED) {
- /* This only happens if the datapath reported an error when we
- * tried to install the flow. Don't flag another error here. */
- continue;
- }
+ ok = ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)
+ && facet->xout.slow == xout.slow;
+ if (!ok && !VLOG_DROP_WARN(&rl)) {
+ struct ds s = DS_EMPTY_INITIALIZER;
- want_path = subfacet_want_path(subfacet->slow);
- if (want_path == SF_SLOW_PATH && subfacet->path == SF_SLOW_PATH) {
- /* The actions for slow-path flows may legitimately vary from one
- * packet to the next. We're done. */
- continue;
- }
+ flow_format(&s, &facet->flow);
+ ds_put_cstr(&s, ": inconsistency in facet");
- if (!subfacet_should_install(subfacet, subfacet->slow, &odp_actions)) {
- continue;
+ if (!ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)) {
+ ds_put_cstr(&s, " (actions were: ");
+ format_odp_actions(&s, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size);
+ ds_put_cstr(&s, ") (correct actions: ");
+ format_odp_actions(&s, xout.odp_actions.data,
+ xout.odp_actions.size);
+ ds_put_cstr(&s, ")");
}
- /* Inconsistency! */
- if (ok) {
- may_log = !VLOG_DROP_WARN(&rl);
- ok = false;
- }
- if (!may_log) {
- /* Rate-limited, skip reporting. */
- continue;
+ if (facet->xout.slow != xout.slow) {
+ ds_put_format(&s, " slow path incorrect. should be %d", xout.slow);
}
- ds_init(&s);
- odp_flow_key_format(subfacet->key, subfacet->key_len, &s);
-
- ds_put_cstr(&s, ": inconsistency in subfacet");
- if (want_path != subfacet->path) {
- enum odp_key_fitness fitness = subfacet->key_fitness;
-
- ds_put_format(&s, " (%s, fitness=%s)",
- subfacet_path_to_string(subfacet->path),
- odp_key_fitness_to_string(fitness));
- ds_put_format(&s, " (should have been %s)",
- subfacet_path_to_string(want_path));
- } else if (want_path == SF_FAST_PATH) {
- ds_put_cstr(&s, " (actions were: ");
- format_odp_actions(&s, subfacet->actions,
- subfacet->actions_len);
- ds_put_cstr(&s, ") (correct actions: ");
- format_odp_actions(&s, odp_actions.data, odp_actions.size);
- ds_put_char(&s, ')');
- } else {
- ds_put_cstr(&s, " (actions: ");
- format_odp_actions(&s, subfacet->actions,
- subfacet->actions_len);
- ds_put_char(&s, ')');
- }
- VLOG_WARN("%s", ds_cstr(&s));
ds_destroy(&s);
}
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
return ok;
}
* 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
+ * ofproto_receive(), 'facet' is removed.
+ *
+ * Returns true if 'facet' is still valid. False if 'facet' was removed. */
+static bool
facet_revalidate(struct facet *facet)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- struct actions {
- struct nlattr *odp_actions;
- size_t actions_len;
- };
- struct actions *new_actions;
-
- struct action_xlate_ctx ctx;
- uint64_t odp_actions_stub[1024 / 8];
- struct ofpbuf odp_actions;
-
struct rule_dpif *new_rule;
struct subfacet *subfacet;
- int i;
+ struct flow_wildcards wc;
+ struct xlate_out xout;
+ struct xlate_in xin;
COVERAGE_INC(facet_revalidate);
&recv_ofproto, NULL, NULL);
if (error
|| recv_ofproto != ofproto
- || memcmp(&recv_flow, &facet->flow, sizeof recv_flow)) {
+ || facet != facet_find(ofproto, &recv_flow)) {
facet_remove(facet);
- return;
+ return false;
}
}
- new_rule = rule_dpif_lookup(ofproto, &facet->flow);
+ flow_wildcards_init_catchall(&wc);
+ new_rule = rule_dpif_lookup(ofproto, &facet->flow, &wc);
/* Calculate new datapath actions.
*
* We do not modify any 'facet' state yet, because we might need to, e.g.,
* emit a NetFlow expiration and, if so, we need to have the old state
* around to properly compose it. */
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals, new_rule,
+ 0, NULL);
+ xlate_actions(&xin, &xout);
+ flow_wildcards_or(&xout.wc, &xout.wc, &wc);
+
+ /* A facet's slow path reason should only change under dramatic
+ * circumstances. Rather than try to update everything, it's simpler to
+ * remove the facet and start over.
+ *
+ * More importantly, if a facet's wildcards change, it will be relatively
+ * difficult to figure out if its subfacets still belong to it, and if not
+ * which facet they may belong to. Again, to avoid the complexity, we
+ * simply give up instead. */
+ if (facet->xout.slow != xout.slow
+ || memcmp(&facet->xout.wc, &xout.wc, sizeof xout.wc)) {
+ facet_remove(facet);
+ xlate_out_uninit(&xout);
+ return false;
+ }
- /* If the datapath actions changed or the installability changed,
- * then we need to talk to the datapath. */
- i = 0;
- new_actions = NULL;
- memset(&ctx, 0, sizeof ctx);
- ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
- enum slow_path_reason slow;
-
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- &subfacet->initial_vals, new_rule, 0, NULL);
- xlate_actions(&ctx, new_rule->up.ofpacts, new_rule->up.ofpacts_len,
- &odp_actions);
-
- slow = (subfacet->slow & SLOW_MATCH) | ctx.slow;
- if (subfacet_should_install(subfacet, slow, &odp_actions)) {
- struct dpif_flow_stats stats;
-
- subfacet_install(subfacet,
- odp_actions.data, odp_actions.size, &stats, slow);
- subfacet_update_stats(subfacet, &stats);
+ if (!ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)) {
+ LIST_FOR_EACH(subfacet, list_node, &facet->subfacets) {
+ if (subfacet->path == SF_FAST_PATH) {
+ struct dpif_flow_stats stats;
- if (!new_actions) {
- new_actions = xcalloc(list_size(&facet->subfacets),
- sizeof *new_actions);
+ subfacet_install(subfacet, &xout.odp_actions, &stats);
+ subfacet_update_stats(subfacet, &stats);
}
- new_actions[i].odp_actions = xmemdup(odp_actions.data,
- odp_actions.size);
- new_actions[i].actions_len = odp_actions.size;
}
- i++;
- }
- ofpbuf_uninit(&odp_actions);
-
- if (new_actions) {
facet_flush_stats(facet);
+
+ ofpbuf_clear(&facet->xout.odp_actions);
+ ofpbuf_put(&facet->xout.odp_actions, xout.odp_actions.data,
+ xout.odp_actions.size);
}
/* Update 'facet' now that we've taken care of all the old state. */
- facet->tags = ctx.tags;
- facet->nf_flow.output_iface = ctx.nf_output_iface;
- facet->has_learn = ctx.has_learn;
- facet->has_normal = ctx.has_normal;
- facet->has_fin_timeout = ctx.has_fin_timeout;
- facet->mirrors = ctx.mirrors;
-
- i = 0;
- LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
- subfacet->slow = (subfacet->slow & SLOW_MATCH) | ctx.slow;
-
- if (new_actions && new_actions[i].odp_actions) {
- free(subfacet->actions);
- subfacet->actions = new_actions[i].odp_actions;
- subfacet->actions_len = new_actions[i].actions_len;
- }
- i++;
- }
- free(new_actions);
+ facet->xout.tags = xout.tags;
+ facet->xout.slow = xout.slow;
+ facet->xout.has_learn = xout.has_learn;
+ facet->xout.has_normal = xout.has_normal;
+ facet->xout.has_fin_timeout = xout.has_fin_timeout;
+ facet->xout.nf_output_iface = xout.nf_output_iface;
+ facet->xout.mirrors = xout.mirrors;
+ facet->nf_flow.output_iface = facet->xout.nf_output_iface;
if (facet->rule != new_rule) {
COVERAGE_INC(facet_changed_rule);
facet->used = new_rule->up.created;
facet->prev_used = facet->used;
}
-}
-/* Updates 'facet''s used time. Caller is responsible for calling
- * facet_push_stats() to update the flows which 'facet' resubmits into. */
-static void
-facet_update_time(struct facet *facet, long long int used)
-{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- if (used > facet->used) {
- facet->used = used;
- ofproto_rule_update_used(&facet->rule->up, used);
- netflow_flow_update_time(ofproto->netflow, &facet->nf_flow, used);
- }
+ xlate_out_uninit(&xout);
+ return true;
}
static void
}
static void
-facet_push_stats(struct facet *facet)
+facet_push_stats(struct facet *facet, bool may_learn)
{
struct dpif_flow_stats stats;
stats.n_packets = facet->packet_count - facet->prev_packet_count;
stats.n_bytes = facet->byte_count - facet->prev_byte_count;
stats.used = facet->used;
- stats.tcp_flags = 0;
+ stats.tcp_flags = facet->tcp_flags;
+
+ if (may_learn || stats.n_packets || facet->used > facet->prev_used) {
+ struct ofproto_dpif *ofproto =
+ ofproto_dpif_cast(facet->rule->up.ofproto);
+
+ struct ofport_dpif *in_port;
+ struct xlate_in xin;
- if (stats.n_packets || stats.n_bytes || facet->used > facet->prev_used) {
facet->prev_packet_count = facet->packet_count;
facet->prev_byte_count = facet->byte_count;
facet->prev_used = facet->used;
- flow_push_stats(facet, &stats);
+ in_port = get_ofp_port(ofproto, facet->flow.in_port);
+ if (in_port && in_port->tnl_port) {
+ netdev_vport_inc_rx(in_port->up.netdev, &stats);
+ }
+
+ rule_credit_stats(facet->rule, &stats);
+ netflow_flow_update_time(ofproto->netflow, &facet->nf_flow,
+ facet->used);
+ netflow_flow_update_flags(&facet->nf_flow, facet->tcp_flags);
+ update_mirror_stats(ofproto, facet->xout.mirrors, stats.n_packets,
+ stats.n_bytes);
- update_mirror_stats(ofproto_dpif_cast(facet->rule->up.ofproto),
- facet->mirrors, stats.n_packets, stats.n_bytes);
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals,
+ facet->rule, stats.tcp_flags, NULL);
+ xin.resubmit_stats = &stats;
+ xin.may_learn = may_learn;
+ xlate_actions_for_side_effects(&xin);
}
}
}
HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ struct cls_cursor cursor;
struct facet *facet;
- HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
- facet_push_stats(facet);
+ cls_cursor_init(&cursor, &ofproto->facets, NULL);
+ CLS_CURSOR_FOR_EACH (facet, cr, &cursor) {
+ facet_push_stats(facet, false);
if (run_fast) {
run_fast_rl();
}
rule->byte_count += stats->n_bytes;
ofproto_rule_update_used(&rule->up, stats->used);
}
-
-/* Pushes flow statistics to the rules which 'facet->flow' resubmits
- * into given 'facet->rule''s actions and mirrors. */
-static void
-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, &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);
-}
\f
/* Subfacets. */
/* Searches 'facet' (within 'ofproto') for a subfacet with the specified
* 'key_fitness', 'key', and 'key_len' members in 'miss'. Returns the
* existing subfacet if there is one, otherwise creates and returns a
- * new subfacet.
- *
- * If the returned subfacet is new, then subfacet->actions will be NULL, in
- * which case the caller must populate the actions with
- * subfacet_make_actions(). */
+ * new subfacet. */
static struct subfacet *
subfacet_create(struct facet *facet, struct flow_miss *miss,
long long int now)
subfacet->created = now;
subfacet->dp_packet_count = 0;
subfacet->dp_byte_count = 0;
- subfacet->actions_len = 0;
- subfacet->actions = NULL;
- subfacet->slow = (subfacet->key_fitness == ODP_FIT_TOO_LITTLE
- ? SLOW_MATCH
- : 0);
subfacet->path = SF_NOT_INSTALLED;
- subfacet->initial_vals = miss->initial_vals;
subfacet->odp_in_port = miss->odp_in_port;
ofproto->subfacet_add_count++;
hmap_remove(&ofproto->subfacets, &subfacet->hmap_node);
list_remove(&subfacet->list_node);
free(subfacet->key);
- free(subfacet->actions);
if (subfacet != &facet->one_subfacet) {
free(subfacet);
}
}
}
-/* Composes the datapath actions for 'subfacet' based on its rule's actions.
- * Translates the actions into 'odp_actions', which the caller must have
- * initialized and is responsible for uninitializing. */
-static void
-subfacet_make_actions(struct subfacet *subfacet, const struct ofpbuf *packet,
- struct ofpbuf *odp_actions)
-{
- struct facet *facet = subfacet->facet;
- struct rule_dpif *rule = facet->rule;
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
-
- struct action_xlate_ctx ctx;
-
- 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;
- facet->has_normal = ctx.has_normal;
- facet->has_fin_timeout = ctx.has_fin_timeout;
- facet->nf_flow.output_iface = ctx.nf_output_iface;
- facet->mirrors = ctx.mirrors;
-
- subfacet->slow = (subfacet->slow & SLOW_MATCH) | ctx.slow;
- if (subfacet->actions_len != odp_actions->size
- || memcmp(subfacet->actions, odp_actions->data, odp_actions->size)) {
- free(subfacet->actions);
- subfacet->actions_len = odp_actions->size;
- subfacet->actions = xmemdup(odp_actions->data, odp_actions->size);
- }
-}
-
/* Updates 'subfacet''s datapath flow, setting its actions to 'actions_len'
* bytes of actions in 'actions'. If 'stats' is non-null, statistics counters
* in the datapath will be zeroed and 'stats' will be updated with traffic new
*
* Returns 0 if successful, otherwise a positive errno value. */
static int
-subfacet_install(struct subfacet *subfacet,
- const struct nlattr *actions, size_t actions_len,
- struct dpif_flow_stats *stats,
- enum slow_path_reason slow)
+subfacet_install(struct subfacet *subfacet, const struct ofpbuf *odp_actions,
+ struct dpif_flow_stats *stats)
{
struct facet *facet = subfacet->facet;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- enum subfacet_path path = subfacet_want_path(slow);
+ enum subfacet_path path = facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH;
+ const struct nlattr *actions = odp_actions->data;
+ size_t actions_len = odp_actions->size;
+ struct odputil_keybuf maskbuf;
+ struct ofpbuf mask;
+
uint64_t slow_path_stub[128 / 8];
enum dpif_flow_put_flags flags;
int ret;
}
if (path == SF_SLOW_PATH) {
- compose_slow_path(ofproto, &facet->flow, slow,
+ compose_slow_path(ofproto, &facet->flow, facet->xout.slow,
slow_path_stub, sizeof slow_path_stub,
&actions, &actions_len);
}
+ ofpbuf_use_stack(&mask, &maskbuf, sizeof maskbuf);
+ odp_flow_key_from_mask(&mask, &facet->xout.wc.masks,
+ &facet->flow, UINT32_MAX);
+
ret = dpif_flow_put(ofproto->backer->dpif, flags, subfacet->key,
- subfacet->key_len, actions, actions_len, stats);
+ subfacet->key_len, mask.data, mask.size,
+ actions, actions_len, stats);
if (stats) {
subfacet_reset_dp_stats(subfacet, stats);
}
- if (!ret) {
+ if (ret) {
+ COVERAGE_INC(subfacet_install_fail);
+ } else {
subfacet->path = path;
}
return ret;
}
-static int
-subfacet_reinstall(struct subfacet *subfacet, struct dpif_flow_stats *stats)
-{
- return subfacet_install(subfacet, subfacet->actions, subfacet->actions_len,
- stats, subfacet->slow);
-}
-
/* If 'subfacet' is installed in the datapath, uninstalls it. */
static void
subfacet_uninstall(struct subfacet *subfacet)
subfacet->dp_byte_count = 0;
}
-/* Updates 'subfacet''s used time. The caller is responsible for calling
- * facet_push_stats() to update the flows which 'subfacet' resubmits into. */
-static void
-subfacet_update_time(struct subfacet *subfacet, long long int used)
-{
- if (used > subfacet->used) {
- subfacet->used = used;
- facet_update_time(subfacet->facet, used);
- }
-}
-
/* Folds the statistics from 'stats' into the counters in 'subfacet'.
*
* Because of the meaning of a subfacet's counters, it only makes sense to do
if (stats->n_packets || stats->used > subfacet->used) {
struct facet *facet = subfacet->facet;
- subfacet_update_time(subfacet, stats->used);
+ subfacet->used = MAX(subfacet->used, stats->used);
+ facet->used = MAX(facet->used, stats->used);
facet->packet_count += stats->n_packets;
facet->byte_count += stats->n_bytes;
facet->tcp_flags |= stats->tcp_flags;
- netflow_flow_update_flags(&facet->nf_flow, stats->tcp_flags);
}
}
\f
/* Rules. */
+/* Lookup 'flow' in 'ofproto''s classifier. If 'wc' is non-null, sets
+ * the fields that were relevant as part of the lookup. */
static struct rule_dpif *
-rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow)
+rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow,
+ struct flow_wildcards *wc)
{
struct rule_dpif *rule;
- rule = rule_dpif_lookup__(ofproto, flow, 0);
+ rule = rule_dpif_lookup__(ofproto, flow, wc, 0);
if (rule) {
return rule;
}
static struct rule_dpif *
rule_dpif_lookup__(struct ofproto_dpif *ofproto, const struct flow *flow,
- uint8_t table_id)
+ struct flow_wildcards *wc, uint8_t table_id)
{
struct cls_rule *cls_rule;
struct classifier *cls;
+ bool frag;
if (table_id >= N_TABLES) {
return NULL;
}
+ if (wc) {
+ memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type);
+ wc->masks.nw_frag |= FLOW_NW_FRAG_MASK;
+ }
+
cls = &ofproto->up.tables[table_id].cls;
- if (flow->nw_frag & FLOW_NW_FRAG_ANY
- && ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
- /* For OFPC_NORMAL frag_handling, we must pretend that transport ports
- * are unavailable. */
+ frag = (flow->nw_frag & FLOW_NW_FRAG_ANY) != 0;
+ if (frag && ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
+ /* We must pretend that transport ports are unavailable. */
struct flow ofpc_normal_flow = *flow;
ofpc_normal_flow.tp_src = htons(0);
ofpc_normal_flow.tp_dst = htons(0);
- cls_rule = classifier_lookup(cls, &ofpc_normal_flow);
+ cls_rule = classifier_lookup(cls, &ofpc_normal_flow, wc);
+ } else if (frag && ofproto->up.frag_handling == OFPC_FRAG_DROP) {
+ cls_rule = &ofproto->drop_frags_rule->up.cr;
+ if (wc) {
+ flow_wildcards_init_exact(wc);
+ }
} else {
- cls_rule = classifier_lookup(cls, flow);
+ cls_rule = classifier_lookup(cls, flow, wc);
}
return rule_dpif_cast(rule_from_cls_rule(cls_rule));
}
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
* 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 void
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;
+ struct xlate_out xout;
+ struct xlate_in xin;
dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
rule_credit_stats(rule, &stats);
initial_vals.vlan_tci = flow->vlan_tci;
initial_vals.tunnel_ip_tos = flow->tunnel.ip_tos;
- ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- 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);
+ xlate_in_init(&xin, ofproto, flow, &initial_vals, rule, stats.tcp_flags,
+ packet);
+ xin.resubmit_stats = &stats;
+ xlate_actions(&xin, &xout);
- execute_odp_actions(ofproto, flow, odp_actions.data,
- odp_actions.size, packet);
+ execute_odp_actions(ofproto, flow, xout.odp_actions.data,
+ xout.odp_actions.size, packet);
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
}
static enum ofperr
flow.in_port = peer->up.ofp_port;
peer_ofproto = ofproto_dpif_cast(peer->up.ofproto);
- rule = rule_dpif_lookup(peer_ofproto, &flow);
+ rule = rule_dpif_lookup(peer_ofproto, &flow, NULL);
rule_dpif_execute(rule, &flow, packet);
return 0;
ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
if (ofport->tnl_port) {
+ struct flow_wildcards wc;
struct dpif_flow_stats stats;
- odp_port = tnl_port_send(ofport->tnl_port, &flow);
+ odp_port = tnl_port_send(ofport->tnl_port, &flow, &wc);
if (odp_port == OVSP_NONE) {
return ENODEV;
}
\f
/* OpenFlow to datapath action translation. */
-static bool may_receive(const struct ofport_dpif *, struct action_xlate_ctx *);
+static bool may_receive(const struct ofport_dpif *, struct 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 *);
+ struct xlate_ctx *);
+static void xlate_normal(struct xlate_ctx *);
/* Composes an ODP action for a "slow path" action for 'flow' within 'ofproto'.
* The action will state 'slow' as the reason that the action is in the slow
* 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)
+add_sflow_action(struct xlate_ctx *ctx)
{
ctx->user_cookie_offset = compose_sflow_action(ctx->ofproto,
- ctx->odp_actions,
- &ctx->flow, OVSP_NONE);
+ &ctx->xout->odp_actions,
+ &ctx->xin->flow, OVSP_NONE);
ctx->sflow_odp_port = 0;
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)
+add_ipfix_action(struct xlate_ctx *ctx)
{
- compose_ipfix_action(ctx->ofproto, ctx->odp_actions, &ctx->flow);
+ compose_ipfix_action(ctx->ofproto, &ctx->xout->odp_actions,
+ &ctx->xin->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. */
static void
-fix_sflow_action(struct action_xlate_ctx *ctx)
+fix_sflow_action(struct xlate_ctx *ctx)
{
const struct flow *base = &ctx->base_flow;
union user_action_cookie *cookie;
return;
}
- cookie = ofpbuf_at(ctx->odp_actions, ctx->user_cookie_offset,
+ cookie = ofpbuf_at(&ctx->xout->odp_actions, ctx->user_cookie_offset,
sizeof cookie->sflow);
ovs_assert(cookie->type == USER_ACTION_COOKIE_SFLOW);
}
static void
-compose_output_action__(struct action_xlate_ctx *ctx, uint16_t ofp_port,
+compose_output_action__(struct xlate_ctx *ctx, uint16_t ofp_port,
bool check_stp)
{
const struct ofport_dpif *ofport = get_ofp_port(ctx->ofproto, ofp_port);
+ struct flow_wildcards *wc = &ctx->xout->wc;
ovs_be16 flow_vlan_tci;
uint32_t flow_skb_mark;
uint8_t flow_nw_tos;
if (netdev_vport_is_patch(ofport->up.netdev)) {
struct ofport_dpif *peer = ofport_get_peer(ofport);
- struct flow old_flow = ctx->flow;
+ struct flow old_flow = ctx->xin->flow;
const struct ofproto_dpif *peer_ofproto;
enum slow_path_reason special;
struct ofport_dpif *in_port;
}
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);
+ ctx->xin->flow.in_port = peer->up.ofp_port;
+ ctx->xin->flow.metadata = htonll(0);
+ memset(&ctx->xin->flow.tunnel, 0, sizeof ctx->xin->flow.tunnel);
+ memset(ctx->xin->flow.regs, 0, sizeof ctx->xin->flow.regs);
+
+ in_port = get_ofp_port(ctx->ofproto, ctx->xin->flow.in_port);
+ special = process_special(ctx, &ctx->xin->flow, in_port,
+ ctx->xin->packet);
if (special) {
- ctx->slow |= special;
+ ctx->xout->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);
+ xlate_table_action(ctx, ctx->xin->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);
+ size_t old_size = ctx->xout->odp_actions.size;
+ xlate_table_action(ctx, ctx->xin->flow.in_port, 0, true);
ctx->base_flow = old_base_flow;
- ctx->odp_actions->size = old_size;
+ ctx->xout->odp_actions.size = old_size;
}
}
- ctx->flow = old_flow;
+ ctx->xin->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);
+ if (ctx->xin->resubmit_stats) {
+ netdev_vport_inc_tx(ofport->up.netdev, ctx->xin->resubmit_stats);
+ netdev_vport_inc_rx(peer->up.netdev, ctx->xin->resubmit_stats);
}
return;
}
- flow_vlan_tci = ctx->flow.vlan_tci;
- flow_skb_mark = ctx->flow.skb_mark;
- flow_nw_tos = ctx->flow.nw_tos;
+ flow_vlan_tci = ctx->xin->flow.vlan_tci;
+ flow_skb_mark = ctx->xin->flow.skb_mark;
+ flow_nw_tos = ctx->xin->flow.nw_tos;
- pdscp = get_priority(ofport, ctx->flow.skb_priority);
+ pdscp = get_priority(ofport, ctx->xin->flow.skb_priority);
if (pdscp) {
- ctx->flow.nw_tos &= ~IP_DSCP_MASK;
- ctx->flow.nw_tos |= pdscp->dscp;
+ wc->masks.nw_tos |= IP_ECN_MASK;
+ ctx->xin->flow.nw_tos &= ~IP_DSCP_MASK;
+ ctx->xin->flow.nw_tos |= pdscp->dscp;
}
if (ofport->tnl_port) {
* 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);
+ struct flow_tnl flow_tnl = ctx->xin->flow.tunnel;
+ odp_port = tnl_port_send(ofport->tnl_port, &ctx->xin->flow,
+ &ctx->xout->wc);
if (odp_port == OVSP_NONE) {
xlate_report(ctx, "Tunneling decided against output");
goto out; /* restore flow_nw_tos */
}
- if (ctx->resubmit_stats) {
- netdev_vport_inc_tx(ofport->up.netdev, ctx->resubmit_stats);
+ if (ctx->xin->resubmit_stats) {
+ netdev_vport_inc_tx(ofport->up.netdev, ctx->xin->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 */
+ commit_odp_tunnel_action(&ctx->xin->flow, &ctx->base_flow,
+ &ctx->xout->odp_actions);
+ ctx->xin->flow.tunnel = flow_tnl; /* Restore tunnel metadata */
} else {
+ uint16_t vlandev_port;
+
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);
+ if (!hmap_is_empty(&ctx->ofproto->realdev_vid_map)) {
+ wc->masks.vlan_tci |= htons(VLAN_VID_MASK | VLAN_CFI);
}
- ctx->flow.skb_mark &= ~IPSEC_MARK;
+ vlandev_port = vsp_realdev_to_vlandev(ctx->ofproto, ofp_port,
+ ctx->xin->flow.vlan_tci);
+ if (vlandev_port == ofp_port) {
+ out_port = odp_port;
+ } else {
+ out_port = ofp_port_to_odp_port(ctx->ofproto, vlandev_port);
+ ctx->xin->flow.vlan_tci = htons(0);
+ }
+ ctx->xin->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);
+ commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
+ &ctx->xout->odp_actions, &ctx->xout->wc);
+ nl_msg_put_u32(&ctx->xout->odp_actions, OVS_ACTION_ATTR_OUTPUT, out_port);
ctx->sflow_odp_port = odp_port;
ctx->sflow_n_outputs++;
- ctx->nf_output_iface = ofp_port;
+ ctx->xout->nf_output_iface = ofp_port;
/* Restore flow */
- ctx->flow.vlan_tci = flow_vlan_tci;
- ctx->flow.skb_mark = flow_skb_mark;
+ ctx->xin->flow.vlan_tci = flow_vlan_tci;
+ ctx->xin->flow.skb_mark = flow_skb_mark;
out:
- ctx->flow.nw_tos = flow_nw_tos;
+ ctx->xin->flow.nw_tos = flow_nw_tos;
}
static void
-compose_output_action(struct action_xlate_ctx *ctx, uint16_t ofp_port)
+compose_output_action(struct xlate_ctx *ctx, uint16_t ofp_port)
{
compose_output_action__(ctx, ofp_port, true);
}
static void
-tag_the_flow(struct action_xlate_ctx *ctx, struct rule_dpif *rule)
+tag_the_flow(struct 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));
+ ctx->xout->tags |= (rule && rule->tag
+ ? rule->tag
+ : rule_calculate_tag(&ctx->xin->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,
+ctx_rule_hooks(struct xlate_ctx *ctx, struct rule_dpif *rule,
bool may_packet_in)
{
- if (ctx->resubmit_hook) {
- ctx->resubmit_hook(ctx, rule);
+ if (ctx->xin->resubmit_hook) {
+ ctx->xin->resubmit_hook(ctx, rule);
}
if (rule == NULL && may_packet_in) {
/* XXX
* 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);
+ rule = rule_dpif_miss_rule(ctx->ofproto, &ctx->xin->flow);
}
- if (rule && ctx->resubmit_stats) {
- rule_credit_stats(rule, ctx->resubmit_stats);
+ if (rule && ctx->xin->resubmit_stats) {
+ rule_credit_stats(rule, ctx->xin->resubmit_stats);
}
return rule;
}
static void
-xlate_table_action(struct action_xlate_ctx *ctx,
+xlate_table_action(struct xlate_ctx *ctx,
uint16_t in_port, uint8_t table_id, bool may_packet_in)
{
if (ctx->recurse < MAX_RESUBMIT_RECURSION) {
struct rule_dpif *rule;
- uint16_t old_in_port = ctx->flow.in_port;
+ uint16_t old_in_port = ctx->xin->flow.in_port;
uint8_t old_table_id = ctx->table_id;
ctx->table_id = table_id;
/* Look up a flow with 'in_port' as the input port. */
- ctx->flow.in_port = in_port;
- rule = rule_dpif_lookup__(ctx->ofproto, &ctx->flow, table_id);
+ ctx->xin->flow.in_port = in_port;
+ rule = rule_dpif_lookup__(ctx->ofproto, &ctx->xin->flow,
+ &ctx->xout->wc, 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;
+ ctx->xin->flow.in_port = old_in_port;
rule = ctx_rule_hooks(ctx, rule, may_packet_in);
}
static void
-xlate_ofpact_resubmit(struct action_xlate_ctx *ctx,
+xlate_ofpact_resubmit(struct xlate_ctx *ctx,
const struct ofpact_resubmit *resubmit)
{
uint16_t in_port;
in_port = resubmit->in_port;
if (in_port == OFPP_IN_PORT) {
- in_port = ctx->flow.in_port;
+ in_port = ctx->xin->flow.in_port;
}
table_id = resubmit->table_id;
}
static void
-flood_packets(struct action_xlate_ctx *ctx, bool all)
+flood_packets(struct xlate_ctx *ctx, bool all)
{
struct ofport_dpif *ofport;
HMAP_FOR_EACH (ofport, up.hmap_node, &ctx->ofproto->up.ports) {
uint16_t ofp_port = ofport->up.ofp_port;
- if (ofp_port == ctx->flow.in_port) {
+ if (ofp_port == ctx->xin->flow.in_port) {
continue;
}
}
}
- ctx->nf_output_iface = NF_OUT_FLOOD;
+ ctx->xout->nf_output_iface = NF_OUT_FLOOD;
}
static void
-execute_controller_action(struct action_xlate_ctx *ctx, int len,
+execute_controller_action(struct xlate_ctx *ctx, int len,
enum ofp_packet_in_reason reason,
uint16_t controller_id)
{
struct ofputil_packet_in pin;
struct ofpbuf *packet;
- ctx->slow |= SLOW_CONTROLLER;
- if (!ctx->packet) {
+ ovs_assert(!ctx->xout->slow || ctx->xout->slow == SLOW_CONTROLLER);
+ ctx->xout->slow = SLOW_CONTROLLER;
+ if (!ctx->xin->packet) {
return;
}
- packet = ofpbuf_clone(ctx->packet);
+ packet = ofpbuf_clone(ctx->xin->packet);
if (packet->l2 && packet->l3) {
struct eth_header *eh;
eth_pop_vlan(packet);
eh = packet->l2;
- memcpy(eh->eth_src, ctx->flow.dl_src, sizeof eh->eth_src);
- memcpy(eh->eth_dst, ctx->flow.dl_dst, sizeof eh->eth_dst);
+ memcpy(eh->eth_src, ctx->xin->flow.dl_src, sizeof eh->eth_src);
+ memcpy(eh->eth_dst, ctx->xin->flow.dl_dst, sizeof eh->eth_dst);
- if (ctx->flow.vlan_tci & htons(VLAN_CFI)) {
- eth_push_vlan(packet, ctx->flow.vlan_tci);
+ if (ctx->xin->flow.vlan_tci & htons(VLAN_CFI)) {
+ eth_push_vlan(packet, ctx->xin->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);
+ if (mpls_depth < ctx->xin->flow.mpls_depth) {
+ push_mpls(packet, ctx->xin->flow.dl_type, ctx->xin->flow.mpls_lse);
+ } else if (mpls_depth > ctx->xin->flow.mpls_depth) {
+ pop_mpls(packet, ctx->xin->flow.dl_type);
} else if (mpls_depth) {
- set_mpls_lse(packet, ctx->flow.mpls_lse);
+ set_mpls_lse(packet, ctx->xin->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,
- ctx->flow.nw_tos, ctx->flow.nw_ttl);
+ if (ctx->xin->flow.dl_type == htons(ETH_TYPE_IP)) {
+ packet_set_ipv4(packet, ctx->xin->flow.nw_src,
+ ctx->xin->flow.nw_dst, ctx->xin->flow.nw_tos,
+ ctx->xin->flow.nw_ttl);
}
if (packet->l7) {
- if (ctx->flow.nw_proto == IPPROTO_TCP) {
- packet_set_tcp_port(packet, ctx->flow.tp_src,
- ctx->flow.tp_dst);
- } else if (ctx->flow.nw_proto == IPPROTO_UDP) {
- packet_set_udp_port(packet, ctx->flow.tp_src,
- ctx->flow.tp_dst);
+ if (ctx->xin->flow.nw_proto == IPPROTO_TCP) {
+ packet_set_tcp_port(packet, ctx->xin->flow.tp_src,
+ ctx->xin->flow.tp_dst);
+ } else if (ctx->xin->flow.nw_proto == IPPROTO_UDP) {
+ packet_set_udp_port(packet, ctx->xin->flow.tp_src,
+ ctx->xin->flow.tp_dst);
}
}
}
pin.cookie = ctx->rule ? ctx->rule->up.flow_cookie : 0;
pin.send_len = len;
- flow_get_metadata(&ctx->flow, &pin.fmd);
+ flow_get_metadata(&ctx->xin->flow, &pin.fmd);
connmgr_send_packet_in(ctx->ofproto->up.connmgr, &pin);
ofpbuf_delete(packet);
}
static void
-execute_mpls_push_action(struct action_xlate_ctx *ctx, ovs_be16 eth_type)
+execute_mpls_push_action(struct xlate_ctx *ctx, ovs_be16 eth_type)
{
+ struct flow_wildcards *wc = &ctx->xout->wc;
ovs_assert(eth_type_mpls(eth_type));
+ memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
+ memset(&wc->masks.mpls_depth, 0xff, sizeof wc->masks.mpls_depth);
+
if (ctx->base_flow.mpls_depth) {
- ctx->flow.mpls_lse &= ~htonl(MPLS_BOS_MASK);
- ctx->flow.mpls_depth++;
+ ctx->xin->flow.mpls_lse &= ~htonl(MPLS_BOS_MASK);
+ ctx->xin->flow.mpls_depth++;
} else {
ovs_be32 label;
uint8_t tc, ttl;
- if (ctx->flow.dl_type == htons(ETH_TYPE_IPV6)) {
+ if (ctx->xin->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;
+ wc->masks.nw_tos |= IP_DSCP_MASK;
+ wc->masks.nw_ttl = 0xff;
+ tc = (ctx->xin->flow.nw_tos & IP_DSCP_MASK) >> 2;
+ ttl = ctx->xin->flow.nw_ttl ? ctx->xin->flow.nw_ttl : 0x40;
+ ctx->xin->flow.mpls_lse = set_mpls_lse_values(ttl, tc, 1, label);
+ ctx->xin->flow.mpls_depth = 1;
}
- ctx->flow.dl_type = eth_type;
+ ctx->xin->flow.dl_type = eth_type;
}
static void
-execute_mpls_pop_action(struct action_xlate_ctx *ctx, ovs_be16 eth_type)
+execute_mpls_pop_action(struct xlate_ctx *ctx, ovs_be16 eth_type)
{
- ovs_assert(eth_type_mpls(ctx->flow.dl_type));
+ struct flow_wildcards *wc = &ctx->xout->wc;
+
+ ovs_assert(eth_type_mpls(ctx->xin->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;
+ memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
+ memset(&wc->masks.mpls_depth, 0xff, sizeof wc->masks.mpls_depth);
+
+ if (ctx->xin->flow.mpls_depth) {
+ ctx->xin->flow.mpls_depth--;
+ ctx->xin->flow.mpls_lse = htonl(0);
+ if (!ctx->xin->flow.mpls_depth) {
+ ctx->xin->flow.dl_type = eth_type;
}
}
}
static bool
-compose_dec_ttl(struct action_xlate_ctx *ctx, struct ofpact_cnt_ids *ids)
+compose_dec_ttl(struct xlate_ctx *ctx, struct ofpact_cnt_ids *ids)
{
- if (ctx->flow.dl_type != htons(ETH_TYPE_IP) &&
- ctx->flow.dl_type != htons(ETH_TYPE_IPV6)) {
+ if (ctx->xin->flow.dl_type != htons(ETH_TYPE_IP) &&
+ ctx->xin->flow.dl_type != htons(ETH_TYPE_IPV6)) {
return false;
}
- if (ctx->flow.nw_ttl > 1) {
- ctx->flow.nw_ttl--;
+ ctx->xout->wc.masks.nw_ttl = 0xff;
+ if (ctx->xin->flow.nw_ttl > 1) {
+ ctx->xin->flow.nw_ttl--;
return false;
} else {
size_t i;
}
static bool
-execute_set_mpls_ttl_action(struct action_xlate_ctx *ctx, uint8_t ttl)
+execute_set_mpls_ttl_action(struct xlate_ctx *ctx, uint8_t ttl)
{
- if (!eth_type_mpls(ctx->flow.dl_type)) {
+ if (!eth_type_mpls(ctx->xin->flow.dl_type)) {
return true;
}
- set_mpls_lse_ttl(&ctx->flow.mpls_lse, ttl);
+ set_mpls_lse_ttl(&ctx->xin->flow.mpls_lse, ttl);
return false;
}
static bool
-execute_dec_mpls_ttl_action(struct action_xlate_ctx *ctx)
+execute_dec_mpls_ttl_action(struct xlate_ctx *ctx)
{
- uint8_t ttl = mpls_lse_to_ttl(ctx->flow.mpls_lse);
+ uint8_t ttl = mpls_lse_to_ttl(ctx->xin->flow.mpls_lse);
+ struct flow_wildcards *wc = &ctx->xout->wc;
+
+ memset(&wc->masks.mpls_lse, 0xff, sizeof wc->masks.mpls_lse);
- if (!eth_type_mpls(ctx->flow.dl_type)) {
+ if (!eth_type_mpls(ctx->xin->flow.dl_type)) {
return false;
}
if (ttl > 1) {
ttl--;
- set_mpls_lse_ttl(&ctx->flow.mpls_lse, ttl);
+ set_mpls_lse_ttl(&ctx->xin->flow.mpls_lse, ttl);
return false;
} else {
execute_controller_action(ctx, UINT16_MAX, OFPR_INVALID_TTL, 0);
}
static void
-xlate_output_action(struct action_xlate_ctx *ctx,
+xlate_output_action(struct xlate_ctx *ctx,
uint16_t port, uint16_t max_len, bool may_packet_in)
{
- uint16_t prev_nf_output_iface = ctx->nf_output_iface;
+ uint16_t prev_nf_output_iface = ctx->xout->nf_output_iface;
- ctx->nf_output_iface = NF_OUT_DROP;
+ ctx->xout->nf_output_iface = NF_OUT_DROP;
switch (port) {
case OFPP_IN_PORT:
- compose_output_action(ctx, ctx->flow.in_port);
+ compose_output_action(ctx, ctx->xin->flow.in_port);
break;
case OFPP_TABLE:
- xlate_table_action(ctx, ctx->flow.in_port, 0, may_packet_in);
+ xlate_table_action(ctx, ctx->xin->flow.in_port, 0, may_packet_in);
break;
case OFPP_NORMAL:
xlate_normal(ctx);
break;
case OFPP_LOCAL:
default:
- if (port != ctx->flow.in_port) {
+ if (port != ctx->xin->flow.in_port) {
compose_output_action(ctx, port);
} else {
xlate_report(ctx, "skipping output to input port");
}
if (prev_nf_output_iface == NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_FLOOD;
- } else if (ctx->nf_output_iface == NF_OUT_DROP) {
- ctx->nf_output_iface = prev_nf_output_iface;
+ ctx->xout->nf_output_iface = NF_OUT_FLOOD;
+ } else if (ctx->xout->nf_output_iface == NF_OUT_DROP) {
+ ctx->xout->nf_output_iface = prev_nf_output_iface;
} else if (prev_nf_output_iface != NF_OUT_DROP &&
- ctx->nf_output_iface != NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_MULTI;
+ ctx->xout->nf_output_iface != NF_OUT_FLOOD) {
+ ctx->xout->nf_output_iface = NF_OUT_MULTI;
}
}
static void
-xlate_output_reg_action(struct action_xlate_ctx *ctx,
+xlate_output_reg_action(struct xlate_ctx *ctx,
const struct ofpact_output_reg *or)
{
- uint64_t port = mf_get_subfield(&or->src, &ctx->flow);
+ uint64_t port = mf_get_subfield(&or->src, &ctx->xin->flow);
if (port <= UINT16_MAX) {
+ union mf_subvalue value;
+
+ memset(&value, 0xff, sizeof value);
+ mf_write_subfield_flow(&or->src, &value, &ctx->xout->wc.masks);
xlate_output_action(ctx, port, or->max_len, false);
}
}
static void
-xlate_enqueue_action(struct action_xlate_ctx *ctx,
+xlate_enqueue_action(struct xlate_ctx *ctx,
const struct ofpact_enqueue *enqueue)
{
uint16_t ofp_port = enqueue->port;
/* Check output port. */
if (ofp_port == OFPP_IN_PORT) {
- ofp_port = ctx->flow.in_port;
- } else if (ofp_port == ctx->flow.in_port) {
+ ofp_port = ctx->xin->flow.in_port;
+ } else if (ofp_port == ctx->xin->flow.in_port) {
return;
}
/* Add datapath actions. */
- flow_priority = ctx->flow.skb_priority;
- ctx->flow.skb_priority = priority;
+ flow_priority = ctx->xin->flow.skb_priority;
+ ctx->xin->flow.skb_priority = priority;
compose_output_action(ctx, ofp_port);
- ctx->flow.skb_priority = flow_priority;
+ ctx->xin->flow.skb_priority = flow_priority;
/* Update NetFlow output port. */
- if (ctx->nf_output_iface == NF_OUT_DROP) {
- ctx->nf_output_iface = ofp_port;
- } else if (ctx->nf_output_iface != NF_OUT_FLOOD) {
- ctx->nf_output_iface = NF_OUT_MULTI;
+ if (ctx->xout->nf_output_iface == NF_OUT_DROP) {
+ ctx->xout->nf_output_iface = ofp_port;
+ } else if (ctx->xout->nf_output_iface != NF_OUT_FLOOD) {
+ ctx->xout->nf_output_iface = NF_OUT_MULTI;
}
}
static void
-xlate_set_queue_action(struct action_xlate_ctx *ctx, uint32_t queue_id)
+xlate_set_queue_action(struct xlate_ctx *ctx, uint32_t queue_id)
{
uint32_t skb_priority;
if (!dpif_queue_to_priority(ctx->ofproto->backer->dpif,
queue_id, &skb_priority)) {
- ctx->flow.skb_priority = skb_priority;
+ ctx->xin->flow.skb_priority = skb_priority;
} else {
/* Couldn't translate queue to a priority. Nothing to do. A warning
* has already been logged. */
}
static void
-xlate_bundle_action(struct action_xlate_ctx *ctx,
+xlate_bundle_action(struct xlate_ctx *ctx,
const struct ofpact_bundle *bundle)
{
uint16_t port;
- port = bundle_execute(bundle, &ctx->flow, slave_enabled_cb, ctx->ofproto);
+ port = bundle_execute(bundle, &ctx->xin->flow, &ctx->xout->wc,
+ slave_enabled_cb, ctx->ofproto);
if (bundle->dst.field) {
- nxm_reg_load(&bundle->dst, port, &ctx->flow);
+ nxm_reg_load(&bundle->dst, port, &ctx->xin->flow);
} else {
xlate_output_action(ctx, port, 0, false);
}
}
static void
-xlate_learn_action(struct action_xlate_ctx *ctx,
+xlate_learn_action(struct xlate_ctx *ctx,
const struct ofpact_learn *learn)
{
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 1);
struct ofpbuf ofpacts;
int error;
+ ctx->xout->has_learn = true;
+
+ learn_mask(learn, &ctx->xout->wc);
+
+ if (!ctx->xin->may_learn) {
+ return;
+ }
+
ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
- learn_execute(learn, &ctx->flow, &fm, &ofpacts);
+ learn_execute(learn, &ctx->xin->flow, &fm, &ofpacts);
error = ofproto_flow_mod(&ctx->ofproto->up, &fm);
if (error && !VLOG_DROP_WARN(&rl)) {
}
static void
-xlate_fin_timeout(struct action_xlate_ctx *ctx,
+xlate_fin_timeout(struct xlate_ctx *ctx,
const struct ofpact_fin_timeout *oft)
{
- if (ctx->tcp_flags & (TCP_FIN | TCP_RST) && ctx->rule) {
+ if (ctx->xin->tcp_flags & (TCP_FIN | TCP_RST) && ctx->rule) {
struct rule_dpif *rule = ctx->rule;
reduce_timeout(oft->fin_idle_timeout, &rule->up.idle_timeout);
}
static void
-xlate_sample_action(struct action_xlate_ctx *ctx,
+xlate_sample_action(struct xlate_ctx *ctx,
const struct ofpact_sample *os)
{
union user_action_cookie cookie;
* the same percentage. */
uint32_t probability = (os->probability << 16) | os->probability;
- commit_odp_actions(&ctx->flow, &ctx->base_flow, ctx->odp_actions);
+ commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
+ &ctx->xout->odp_actions, &ctx->xout->wc);
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,
+ compose_sample_action(ctx->ofproto, &ctx->xout->odp_actions, &ctx->xin->flow,
probability, &cookie, sizeof cookie.flow_sample);
}
static bool
-may_receive(const struct ofport_dpif *port, struct action_xlate_ctx *ctx)
+may_receive(const struct ofport_dpif *port, struct xlate_ctx *ctx)
{
- if (port->up.pp.config & (eth_addr_equals(ctx->flow.dl_dst, eth_addr_stp)
+ if (port->up.pp.config & (eth_addr_equals(ctx->xin->flow.dl_dst,
+ eth_addr_stp)
? OFPUTIL_PC_NO_RECV_STP
: OFPUTIL_PC_NO_RECV)) {
return false;
}
static bool
-tunnel_ecn_ok(struct action_xlate_ctx *ctx)
+tunnel_ecn_ok(struct xlate_ctx *ctx)
{
if (is_ip_any(&ctx->base_flow)
&& (ctx->base_flow.tunnel.ip_tos & IP_ECN_MASK) == IP_ECN_CE) {
return false;
} else {
/* Set the ECN CE value in the tunneled packet. */
- ctx->flow.nw_tos |= IP_ECN_CE;
+ ctx->xin->flow.nw_tos |= IP_ECN_CE;
}
}
static void
do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
- struct action_xlate_ctx *ctx)
+ struct xlate_ctx *ctx)
{
bool was_evictable = true;
const struct ofpact *a;
break;
case OFPACT_SET_VLAN_VID:
- ctx->flow.vlan_tci &= ~htons(VLAN_VID_MASK);
- ctx->flow.vlan_tci |= (htons(ofpact_get_SET_VLAN_VID(a)->vlan_vid)
- | htons(VLAN_CFI));
+ ctx->xin->flow.vlan_tci &= ~htons(VLAN_VID_MASK);
+ ctx->xin->flow.vlan_tci |=
+ (htons(ofpact_get_SET_VLAN_VID(a)->vlan_vid)
+ | htons(VLAN_CFI));
break;
case OFPACT_SET_VLAN_PCP:
- ctx->flow.vlan_tci &= ~htons(VLAN_PCP_MASK);
- ctx->flow.vlan_tci |= htons((ofpact_get_SET_VLAN_PCP(a)->vlan_pcp
- << VLAN_PCP_SHIFT)
- | VLAN_CFI);
+ ctx->xin->flow.vlan_tci &= ~htons(VLAN_PCP_MASK);
+ ctx->xin->flow.vlan_tci |=
+ htons((ofpact_get_SET_VLAN_PCP(a)->vlan_pcp << VLAN_PCP_SHIFT)
+ | VLAN_CFI);
break;
case OFPACT_STRIP_VLAN:
- ctx->flow.vlan_tci = htons(0);
+ ctx->xin->flow.vlan_tci = htons(0);
break;
case OFPACT_PUSH_VLAN:
/* XXX 802.1AD(QinQ) */
- ctx->flow.vlan_tci = htons(VLAN_CFI);
+ ctx->xin->flow.vlan_tci = htons(VLAN_CFI);
break;
case OFPACT_SET_ETH_SRC:
- memcpy(ctx->flow.dl_src, ofpact_get_SET_ETH_SRC(a)->mac,
+ memcpy(ctx->xin->flow.dl_src, ofpact_get_SET_ETH_SRC(a)->mac,
ETH_ADDR_LEN);
break;
case OFPACT_SET_ETH_DST:
- memcpy(ctx->flow.dl_dst, ofpact_get_SET_ETH_DST(a)->mac,
+ memcpy(ctx->xin->flow.dl_dst, ofpact_get_SET_ETH_DST(a)->mac,
ETH_ADDR_LEN);
break;
case OFPACT_SET_IPV4_SRC:
- if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
- ctx->flow.nw_src = ofpact_get_SET_IPV4_SRC(a)->ipv4;
+ if (ctx->xin->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->xin->flow.nw_src = ofpact_get_SET_IPV4_SRC(a)->ipv4;
}
break;
case OFPACT_SET_IPV4_DST:
- if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
- ctx->flow.nw_dst = ofpact_get_SET_IPV4_DST(a)->ipv4;
+ if (ctx->xin->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->xin->flow.nw_dst = ofpact_get_SET_IPV4_DST(a)->ipv4;
}
break;
case OFPACT_SET_IPV4_DSCP:
/* OpenFlow 1.0 only supports IPv4. */
- if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
- ctx->flow.nw_tos &= ~IP_DSCP_MASK;
- ctx->flow.nw_tos |= ofpact_get_SET_IPV4_DSCP(a)->dscp;
+ if (ctx->xin->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->xin->flow.nw_tos &= ~IP_DSCP_MASK;
+ ctx->xin->flow.nw_tos |= ofpact_get_SET_IPV4_DSCP(a)->dscp;
}
break;
case OFPACT_SET_L4_SRC_PORT:
- if (is_ip_any(&ctx->flow)) {
- ctx->flow.tp_src = htons(ofpact_get_SET_L4_SRC_PORT(a)->port);
+ memset(&ctx->xout->wc.masks.nw_proto, 0xff,
+ sizeof ctx->xout->wc.masks.nw_proto);
+ if (is_ip_any(&ctx->xin->flow)) {
+ ctx->xin->flow.tp_src =
+ htons(ofpact_get_SET_L4_SRC_PORT(a)->port);
}
break;
case OFPACT_SET_L4_DST_PORT:
- if (is_ip_any(&ctx->flow)) {
- ctx->flow.tp_dst = htons(ofpact_get_SET_L4_DST_PORT(a)->port);
+ memset(&ctx->xout->wc.masks.nw_proto, 0xff,
+ sizeof ctx->xout->wc.masks.nw_proto);
+ if (is_ip_any(&ctx->xin->flow)) {
+ ctx->xin->flow.tp_dst =
+ htons(ofpact_get_SET_L4_DST_PORT(a)->port);
}
break;
break;
case OFPACT_SET_TUNNEL:
- ctx->flow.tunnel.tun_id = htonll(ofpact_get_SET_TUNNEL(a)->tun_id);
+ ctx->xin->flow.tunnel.tun_id =
+ htonll(ofpact_get_SET_TUNNEL(a)->tun_id);
break;
case OFPACT_SET_QUEUE:
break;
case OFPACT_POP_QUEUE:
- ctx->flow.skb_priority = ctx->orig_skb_priority;
+ ctx->xin->flow.skb_priority = ctx->orig_skb_priority;
break;
case OFPACT_REG_MOVE:
- nxm_execute_reg_move(ofpact_get_REG_MOVE(a), &ctx->flow);
+ nxm_execute_reg_move(ofpact_get_REG_MOVE(a), &ctx->xin->flow,
+ &ctx->xout->wc);
break;
case OFPACT_REG_LOAD:
- nxm_execute_reg_load(ofpact_get_REG_LOAD(a), &ctx->flow);
+ nxm_execute_reg_load(ofpact_get_REG_LOAD(a), &ctx->xin->flow);
break;
case OFPACT_STACK_PUSH:
- nxm_execute_stack_push(ofpact_get_STACK_PUSH(a), &ctx->flow,
- &ctx->stack);
+ nxm_execute_stack_push(ofpact_get_STACK_PUSH(a), &ctx->xin->flow,
+ &ctx->xout->wc, &ctx->stack);
break;
case OFPACT_STACK_POP:
- nxm_execute_stack_pop(ofpact_get_STACK_POP(a), &ctx->flow,
+ nxm_execute_stack_pop(ofpact_get_STACK_POP(a), &ctx->xin->flow,
&ctx->stack);
break;
break;
case OFPACT_SET_MPLS_TTL:
- if (execute_set_mpls_ttl_action(ctx, ofpact_get_SET_MPLS_TTL(a)->ttl)) {
+ if (execute_set_mpls_ttl_action(ctx,
+ ofpact_get_SET_MPLS_TTL(a)->ttl)) {
goto out;
}
break;
break;
case OFPACT_MULTIPATH:
- multipath_execute(ofpact_get_MULTIPATH(a), &ctx->flow);
+ multipath_execute(ofpact_get_MULTIPATH(a), &ctx->xin->flow,
+ &ctx->xout->wc);
break;
case OFPACT_BUNDLE:
break;
case OFPACT_LEARN:
- ctx->has_learn = true;
- if (ctx->may_learn) {
- xlate_learn_action(ctx, ofpact_get_LEARN(a));
- }
+ xlate_learn_action(ctx, ofpact_get_LEARN(a));
break;
case OFPACT_EXIT:
break;
case OFPACT_FIN_TIMEOUT:
- ctx->has_fin_timeout = true;
+ memset(&ctx->xout->wc.masks.nw_proto, 0xff,
+ sizeof ctx->xout->wc.masks.nw_proto);
+ ctx->xout->has_fin_timeout = true;
xlate_fin_timeout(ctx, ofpact_get_FIN_TIMEOUT(a));
break;
case OFPACT_WRITE_METADATA:
metadata = ofpact_get_WRITE_METADATA(a);
- ctx->flow.metadata &= ~metadata->mask;
- ctx->flow.metadata |= metadata->metadata & metadata->mask;
+ ctx->xin->flow.metadata &= ~metadata->mask;
+ ctx->xin->flow.metadata |= metadata->metadata & metadata->mask;
break;
case OFPACT_GOTO_TABLE: {
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);
+ rule = rule_dpif_lookup__(ctx->ofproto, &ctx->xin->flow,
+ &ctx->xout->wc, ctx->table_id);
tag_the_flow(ctx, rule);
}
static void
-action_xlate_ctx_init(struct action_xlate_ctx *ctx,
- struct ofproto_dpif *ofproto, const struct flow *flow,
- const struct initial_vals *initial_vals,
- struct rule_dpif *rule,
- uint8_t tcp_flags, const struct ofpbuf *packet)
+xlate_in_init(struct xlate_in *xin, struct ofproto_dpif *ofproto,
+ const struct flow *flow,
+ const struct initial_vals *initial_vals,
+ struct rule_dpif *rule, uint8_t tcp_flags,
+ const struct ofpbuf *packet)
+{
+ xin->ofproto = ofproto;
+ xin->flow = *flow;
+ xin->packet = packet;
+ xin->may_learn = packet != NULL;
+ xin->rule = rule;
+ xin->ofpacts = NULL;
+ xin->ofpacts_len = 0;
+ xin->tcp_flags = tcp_flags;
+ xin->resubmit_hook = NULL;
+ xin->report_hook = NULL;
+ xin->resubmit_stats = NULL;
+
+ if (initial_vals) {
+ xin->initial_vals = *initial_vals;
+ } else {
+ xin->initial_vals.vlan_tci = xin->flow.vlan_tci;
+ xin->initial_vals.tunnel_ip_tos = xin->flow.tunnel.ip_tos;
+ }
+}
+
+static void
+xlate_out_uninit(struct xlate_out *xout)
{
- ovs_be64 initial_tun_id = flow->tunnel.tun_id;
+ if (xout) {
+ ofpbuf_uninit(&xout->odp_actions);
+ }
+}
+
+/* Translates the 'ofpacts_len' bytes of "struct ofpacts" starting at 'ofpacts'
+ * into datapath actions in 'odp_actions', using 'ctx'. */
+static void
+xlate_actions(struct xlate_in *xin, struct xlate_out *xout)
+{
+ /* Normally false. Set to true if we ever hit MAX_RESUBMIT_RECURSION, so
+ * that in the future we always keep a copy of the original flow for
+ * tracing purposes. */
+ static bool hit_resubmit_limit;
+ struct flow_wildcards *wc = &xout->wc;
+
+ enum slow_path_reason special;
+ const struct ofpact *ofpacts;
+ struct ofport_dpif *in_port;
+ struct flow orig_flow;
+ struct xlate_ctx ctx;
+ size_t ofpacts_len;
+
+ COVERAGE_INC(ofproto_dpif_xlate);
/* Flow initialization rules:
* - 'base_flow' must match the kernel's view of the packet at 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_vals->vlan_tci;
- ctx->base_flow.tunnel.ip_tos = initial_vals->tunnel_ip_tos;
- ctx->flow.tunnel.tun_id = initial_tun_id;
- ctx->rule = rule;
- ctx->packet = packet;
- ctx->may_learn = packet != NULL;
- ctx->tcp_flags = tcp_flags;
- ctx->resubmit_hook = NULL;
- ctx->report_hook = NULL;
- ctx->resubmit_stats = NULL;
-}
+ ctx.xin = xin;
+ ctx.xout = xout;
-/* Translates the 'ofpacts_len' bytes of "struct ofpacts" starting at 'ofpacts'
- * into datapath actions in 'odp_actions', using 'ctx'. */
-static void
-xlate_actions(struct action_xlate_ctx *ctx,
- const struct ofpact *ofpacts, size_t ofpacts_len,
- struct ofpbuf *odp_actions)
-{
- /* Normally false. Set to true if we ever hit MAX_RESUBMIT_RECURSION, so
- * that in the future we always keep a copy of the original flow for
- * tracing purposes. */
- static bool hit_resubmit_limit;
+ ctx.ofproto = xin->ofproto;
+ ctx.rule = xin->rule;
- enum slow_path_reason special;
- struct ofport_dpif *in_port;
- struct flow orig_flow;
+ ctx.base_flow = ctx.xin->flow;
+ memset(&ctx.base_flow.tunnel, 0, sizeof ctx.base_flow.tunnel);
+ ctx.base_flow.vlan_tci = xin->initial_vals.vlan_tci;
+ ctx.base_flow.tunnel.ip_tos = xin->initial_vals.tunnel_ip_tos;
- COVERAGE_INC(ofproto_dpif_xlate);
+ flow_wildcards_init_catchall(&ctx.xout->wc);
+ memset(&wc->masks.in_port, 0xff, sizeof wc->masks.in_port);
+ memset(&wc->masks.skb_priority, 0xff, sizeof wc->masks.skb_priority);
+ memset(&wc->masks.dl_type, 0xff, sizeof wc->masks.dl_type);
+ wc->masks.nw_frag |= FLOW_NW_FRAG_MASK;
+
+ if (tnl_port_should_receive(&ctx.xin->flow)) {
+ memset(&wc->masks.tunnel, 0xff, sizeof wc->masks.tunnel);
+ }
+
+ /* Disable most wildcarding for NetFlow. */
+ if (xin->ofproto->netflow) {
+ netflow_mask_wc(wc);
+ }
+
+ ctx.xout->tags = 0;
+ ctx.xout->slow = 0;
+ ctx.xout->has_learn = false;
+ ctx.xout->has_normal = false;
+ ctx.xout->has_fin_timeout = false;
+ ctx.xout->nf_output_iface = NF_OUT_DROP;
+ ctx.xout->mirrors = 0;
- ofpbuf_clear(odp_actions);
- ofpbuf_reserve(odp_actions, NL_A_U32_SIZE);
-
- ctx->odp_actions = odp_actions;
- ctx->tags = 0;
- ctx->slow = 0;
- ctx->has_learn = false;
- ctx->has_normal = false;
- ctx->has_fin_timeout = false;
- ctx->nf_output_iface = NF_OUT_DROP;
- ctx->mirrors = 0;
- ctx->recurse = 0;
- ctx->max_resubmit_trigger = false;
- ctx->orig_skb_priority = ctx->flow.skb_priority;
- 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) {
+ ofpbuf_use_stub(&ctx.xout->odp_actions, ctx.xout->odp_actions_stub,
+ sizeof ctx.xout->odp_actions_stub);
+ ofpbuf_reserve(&ctx.xout->odp_actions, NL_A_U32_SIZE);
+
+ ctx.recurse = 0;
+ ctx.max_resubmit_trigger = false;
+ ctx.orig_skb_priority = ctx.xin->flow.skb_priority;
+ ctx.table_id = 0;
+ ctx.exit = false;
+
+ if (xin->ofpacts) {
+ ofpacts = xin->ofpacts;
+ ofpacts_len = xin->ofpacts_len;
+ } else if (xin->rule) {
+ ofpacts = xin->rule->up.ofpacts;
+ ofpacts_len = xin->rule->up.ofpacts_len;
+ } else {
+ NOT_REACHED();
+ }
+
+ 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. */
- orig_flow = ctx->flow;
+ orig_flow = ctx.xin->flow;
}
- if (ctx->flow.nw_frag & FLOW_NW_FRAG_ANY) {
- switch (ctx->ofproto->up.frag_handling) {
+ if (ctx.xin->flow.nw_frag & FLOW_NW_FRAG_ANY) {
+ switch (ctx.ofproto->up.frag_handling) {
case OFPC_FRAG_NORMAL:
/* We must pretend that transport ports are unavailable. */
- ctx->flow.tp_src = ctx->base_flow.tp_src = htons(0);
- ctx->flow.tp_dst = ctx->base_flow.tp_dst = htons(0);
+ ctx.xin->flow.tp_src = ctx.base_flow.tp_src = htons(0);
+ ctx.xin->flow.tp_dst = ctx.base_flow.tp_dst = htons(0);
break;
case OFPC_FRAG_DROP:
}
}
- in_port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
- special = process_special(ctx->ofproto, &ctx->flow, in_port, ctx->packet);
+ in_port = get_ofp_port(ctx.ofproto, ctx.xin->flow.in_port);
+ special = process_special(&ctx, &ctx.xin->flow, in_port,
+ ctx.xin->packet);
if (special) {
- ctx->slow |= special;
+ ctx.xout->slow = special;
} else {
static struct vlog_rate_limit trace_rl = VLOG_RATE_LIMIT_INIT(1, 1);
struct initial_vals initial_vals;
+ size_t sample_actions_len;
uint32_t local_odp_port;
- initial_vals.vlan_tci = ctx->base_flow.vlan_tci;
- initial_vals.tunnel_ip_tos = ctx->base_flow.tunnel.ip_tos;
+ initial_vals.vlan_tci = ctx.base_flow.vlan_tci;
+ initial_vals.tunnel_ip_tos = ctx.base_flow.tunnel.ip_tos;
- add_sflow_action(ctx);
- add_ipfix_action(ctx);
+ add_sflow_action(&ctx);
+ add_ipfix_action(&ctx);
+ sample_actions_len = ctx.xout->odp_actions.size;
- if (tunnel_ecn_ok(ctx) && (!in_port || may_receive(in_port, ctx))) {
- do_xlate_actions(ofpacts, ofpacts_len, ctx);
+ 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)) {
- ofpbuf_clear(ctx->odp_actions);
- add_sflow_action(ctx);
- add_ipfix_action(ctx);
+ ctx.xout->odp_actions.size = sample_actions_len;
}
}
- if (ctx->max_resubmit_trigger && !ctx->resubmit_hook) {
+ if (ctx.max_resubmit_trigger && !ctx.xin->resubmit_hook) {
if (!hit_resubmit_limit) {
/* We didn't record the original flow. Make sure we do from
* now on. */
} else if (!VLOG_DROP_ERR(&trace_rl)) {
struct ds ds = DS_EMPTY_INITIALIZER;
- ofproto_trace(ctx->ofproto, &orig_flow, ctx->packet,
+ ofproto_trace(ctx.ofproto, &orig_flow, ctx.xin->packet,
&initial_vals, &ds);
VLOG_ERR("Trace triggered by excessive resubmit "
"recursion:\n%s", ds_cstr(&ds));
}
}
- local_odp_port = ofp_port_to_odp_port(ctx->ofproto, OFPP_LOCAL);
- if (!connmgr_may_set_up_flow(ctx->ofproto->up.connmgr, &ctx->flow,
- local_odp_port,
- ctx->odp_actions->data,
- ctx->odp_actions->size)) {
- ctx->slow |= SLOW_IN_BAND;
- if (ctx->packet
- && connmgr_msg_in_hook(ctx->ofproto->up.connmgr, &ctx->flow,
- ctx->packet)) {
- compose_output_action(ctx, OFPP_LOCAL);
- }
+ local_odp_port = ofp_port_to_odp_port(ctx.ofproto, OFPP_LOCAL);
+ if (!connmgr_must_output_local(ctx.ofproto->up.connmgr, &ctx.xin->flow,
+ local_odp_port,
+ ctx.xout->odp_actions.data,
+ ctx.xout->odp_actions.size)) {
+ compose_output_action(&ctx, OFPP_LOCAL);
}
- if (ctx->ofproto->has_mirrors) {
- add_mirror_actions(ctx, &orig_flow);
+ if (ctx.ofproto->has_mirrors) {
+ add_mirror_actions(&ctx, &orig_flow);
}
- fix_sflow_action(ctx);
+ fix_sflow_action(&ctx);
}
- ofpbuf_uninit(&ctx->stack);
+ ofpbuf_uninit(&ctx.stack);
+
+ /* Clear the metadata and register wildcard masks, because we won't
+ * use non-header fields as part of the cache. */
+ memset(&ctx.xout->wc.masks.metadata, 0,
+ sizeof ctx.xout->wc.masks.metadata);
+ memset(&ctx.xout->wc.masks.regs, 0, sizeof ctx.xout->wc.masks.regs);
}
/* Translates the 'ofpacts_len' bytes of "struct ofpact"s starting at 'ofpacts'
* into datapath actions, using 'ctx', and discards the datapath actions. */
static void
-xlate_actions_for_side_effects(struct action_xlate_ctx *ctx,
- const struct ofpact *ofpacts,
- size_t ofpacts_len)
+xlate_actions_for_side_effects(struct xlate_in *xin)
{
- uint64_t odp_actions_stub[1024 / 8];
- struct ofpbuf odp_actions;
+ struct xlate_out xout;
- ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- xlate_actions(ctx, ofpacts, ofpacts_len, &odp_actions);
- ofpbuf_uninit(&odp_actions);
+ xlate_actions(xin, &xout);
+ xlate_out_uninit(&xout);
}
static void
-xlate_report(struct action_xlate_ctx *ctx, const char *s)
+xlate_report(struct xlate_ctx *ctx, const char *s)
{
- if (ctx->report_hook) {
- ctx->report_hook(ctx, s);
+ if (ctx->xin->report_hook) {
+ ctx->xin->report_hook(ctx, s);
}
}
+
+static void
+xlate_out_copy(struct xlate_out *dst, const struct xlate_out *src)
+{
+ dst->wc = src->wc;
+ dst->tags = src->tags;
+ dst->slow = src->slow;
+ dst->has_learn = src->has_learn;
+ dst->has_normal = src->has_normal;
+ dst->has_fin_timeout = src->has_fin_timeout;
+ dst->nf_output_iface = src->nf_output_iface;
+ dst->mirrors = src->mirrors;
+
+ ofpbuf_use_stub(&dst->odp_actions, dst->odp_actions_stub,
+ sizeof dst->odp_actions_stub);
+ ofpbuf_put(&dst->odp_actions, src->odp_actions.data,
+ src->odp_actions.size);
+}
\f
/* OFPP_NORMAL implementation. */
}
static void
-output_normal(struct action_xlate_ctx *ctx, const struct ofbundle *out_bundle,
+output_normal(struct xlate_ctx *ctx, const struct ofbundle *out_bundle,
uint16_t vlan)
{
struct ofport_dpif *port;
if (!out_bundle->bond) {
port = ofbundle_get_a_port(out_bundle);
} else {
- port = bond_choose_output_slave(out_bundle->bond, &ctx->flow,
- vid, &ctx->tags);
+ port = bond_choose_output_slave(out_bundle->bond, &ctx->xin->flow,
+ &ctx->xout->wc, vid, &ctx->xout->tags);
if (!port) {
/* No slaves enabled, so drop packet. */
return;
}
}
- old_tci = ctx->flow.vlan_tci;
+ old_tci = ctx->xin->flow.vlan_tci;
tci = htons(vid);
if (tci || out_bundle->use_priority_tags) {
- tci |= ctx->flow.vlan_tci & htons(VLAN_PCP_MASK);
+ tci |= ctx->xin->flow.vlan_tci & htons(VLAN_PCP_MASK);
if (tci) {
tci |= htons(VLAN_CFI);
}
}
- ctx->flow.vlan_tci = tci;
+ ctx->xin->flow.vlan_tci = tci;
compose_output_action(ctx, port->up.ofp_port);
- ctx->flow.vlan_tci = old_tci;
+ ctx->xin->flow.vlan_tci = old_tci;
}
static int
}
static void
-add_mirror_actions(struct action_xlate_ctx *ctx, const struct flow *orig_flow)
+add_mirror_actions(struct xlate_ctx *ctx, const struct flow *orig_flow)
{
struct ofproto_dpif *ofproto = ctx->ofproto;
mirror_mask_t mirrors;
size_t left;
in_bundle = lookup_input_bundle(ctx->ofproto, orig_flow->in_port,
- ctx->packet != NULL, NULL);
+ ctx->xin->packet != NULL, NULL);
if (!in_bundle) {
return;
}
/* Drop frames on bundles reserved for mirroring. */
if (in_bundle->mirror_out) {
- if (ctx->packet != NULL) {
+ if (ctx->xin->packet != NULL) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: dropping packet received on port "
"%s, which is reserved exclusively for mirroring",
/* Check VLAN. */
vid = vlan_tci_to_vid(orig_flow->vlan_tci);
- if (!input_vid_is_valid(vid, in_bundle, ctx->packet != NULL)) {
+ if (!input_vid_is_valid(vid, in_bundle, ctx->xin->packet != NULL)) {
return;
}
vlan = input_vid_to_vlan(in_bundle, vid);
/* Look at the output ports to check for destination selections. */
- NL_ATTR_FOR_EACH (a, left, ctx->odp_actions->data,
- ctx->odp_actions->size) {
+ NL_ATTR_FOR_EACH (a, left, ctx->xout->odp_actions.data,
+ ctx->xout->odp_actions.size) {
enum ovs_action_attr type = nl_attr_type(a);
struct ofport_dpif *ofport;
}
/* Restore the original packet before adding the mirror actions. */
- ctx->flow = *orig_flow;
+ ctx->xin->flow = *orig_flow;
while (mirrors) {
struct ofmirror *m;
m = ofproto->mirrors[mirror_mask_ffs(mirrors) - 1];
+ if (m->vlans) {
+ ctx->xout->wc.masks.vlan_tci |= htons(VLAN_CFI | VLAN_VID_MASK);
+ }
+
if (!vlan_is_mirrored(m, vlan)) {
mirrors = zero_rightmost_1bit(mirrors);
continue;
}
mirrors &= ~m->dup_mirrors;
- ctx->mirrors |= m->dup_mirrors;
+ ctx->xout->mirrors |= m->dup_mirrors;
if (m->out) {
output_normal(ctx, m->out, vlan);
} else if (vlan != m->out_vlan
* migration. Older Citrix-patched Linux DomU used gratuitous ARP replies to
* indicate this; newer upstream kernels use gratuitous ARP requests. */
static bool
-is_gratuitous_arp(const struct flow *flow)
+is_gratuitous_arp(const struct flow *flow, struct flow_wildcards *wc)
{
- return (flow->dl_type == htons(ETH_TYPE_ARP)
- && eth_addr_is_broadcast(flow->dl_dst)
- && (flow->nw_proto == ARP_OP_REPLY
- || (flow->nw_proto == ARP_OP_REQUEST
- && flow->nw_src == flow->nw_dst)));
+ if (flow->dl_type != htons(ETH_TYPE_ARP)) {
+ return false;
+ }
+
+ memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
+ if (!eth_addr_is_broadcast(flow->dl_dst)) {
+ return false;
+ }
+
+ memset(&wc->masks.nw_proto, 0xff, sizeof wc->masks.nw_proto);
+ if (flow->nw_proto == ARP_OP_REPLY) {
+ return true;
+ } else if (flow->nw_proto == ARP_OP_REQUEST) {
+ memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
+ memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
+
+ return flow->nw_src == flow->nw_dst;
+ } else {
+ return false;
+ }
}
static void
update_learning_table(struct ofproto_dpif *ofproto,
- const struct flow *flow, int vlan,
- struct ofbundle *in_bundle)
+ const struct flow *flow, struct flow_wildcards *wc,
+ int vlan, struct ofbundle *in_bundle)
{
struct mac_entry *mac;
}
mac = mac_learning_insert(ofproto->ml, flow->dl_src, vlan);
- if (is_gratuitous_arp(flow)) {
+ if (is_gratuitous_arp(flow, wc)) {
/* We don't want to learn from gratuitous ARP packets that are
* reflected back over bond slaves so we lock the learning table. */
if (!in_bundle->bond) {
* so in one special case.
*/
static bool
-is_admissible(struct action_xlate_ctx *ctx, struct ofport_dpif *in_port,
+is_admissible(struct xlate_ctx *ctx, struct ofport_dpif *in_port,
uint16_t vlan)
{
struct ofproto_dpif *ofproto = ctx->ofproto;
- struct flow *flow = &ctx->flow;
+ struct flow *flow = &ctx->xin->flow;
struct ofbundle *in_bundle = in_port->bundle;
/* Drop frames for reserved multicast addresses
struct mac_entry *mac;
switch (bond_check_admissibility(in_bundle->bond, in_port,
- flow->dl_dst, &ctx->tags)) {
+ flow->dl_dst, &ctx->xout->tags)) {
case BV_ACCEPT:
break;
case BV_DROP_IF_MOVED:
mac = mac_learning_lookup(ofproto->ml, flow->dl_src, vlan, NULL);
if (mac && mac->port.p != in_bundle &&
- (!is_gratuitous_arp(flow)
+ (!is_gratuitous_arp(flow, &ctx->xout->wc)
|| mac_entry_is_grat_arp_locked(mac))) {
xlate_report(ctx, "SLB bond thinks this packet looped back, "
"dropping");
}
static void
-xlate_normal(struct action_xlate_ctx *ctx)
+xlate_normal(struct xlate_ctx *ctx)
{
+ struct flow_wildcards *wc = &ctx->xout->wc;
struct ofport_dpif *in_port;
struct ofbundle *in_bundle;
struct mac_entry *mac;
uint16_t vlan;
uint16_t vid;
- ctx->has_normal = true;
+ ctx->xout->has_normal = true;
+
+ /* Check the dl_type, since we may check for gratuituous ARP. */
+ memset(&wc->masks.dl_src, 0xff, sizeof wc->masks.dl_src);
+ memset(&wc->masks.dl_dst, 0xff, sizeof wc->masks.dl_dst);
+ wc->masks.vlan_tci |= htons(VLAN_VID_MASK | VLAN_CFI);
- in_bundle = lookup_input_bundle(ctx->ofproto, ctx->flow.in_port,
- ctx->packet != NULL, &in_port);
+ in_bundle = lookup_input_bundle(ctx->ofproto, ctx->xin->flow.in_port,
+ ctx->xin->packet != NULL, &in_port);
if (!in_bundle) {
xlate_report(ctx, "no input bundle, dropping");
return;
}
/* Drop malformed frames. */
- if (ctx->flow.dl_type == htons(ETH_TYPE_VLAN) &&
- !(ctx->flow.vlan_tci & htons(VLAN_CFI))) {
- if (ctx->packet != NULL) {
+ if (ctx->xin->flow.dl_type == htons(ETH_TYPE_VLAN) &&
+ !(ctx->xin->flow.vlan_tci & htons(VLAN_CFI))) {
+ if (ctx->xin->packet != NULL) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: dropping packet with partial "
"VLAN tag received on port %s",
/* Drop frames on bundles reserved for mirroring. */
if (in_bundle->mirror_out) {
- if (ctx->packet != NULL) {
+ if (ctx->xin->packet != NULL) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: dropping packet received on port "
"%s, which is reserved exclusively for mirroring",
}
/* Check VLAN. */
- vid = vlan_tci_to_vid(ctx->flow.vlan_tci);
- if (!input_vid_is_valid(vid, in_bundle, ctx->packet != NULL)) {
+ vid = vlan_tci_to_vid(ctx->xin->flow.vlan_tci);
+ if (!input_vid_is_valid(vid, in_bundle, ctx->xin->packet != NULL)) {
xlate_report(ctx, "disallowed VLAN VID for this input port, dropping");
return;
}
}
/* Learn source MAC. */
- if (ctx->may_learn) {
- update_learning_table(ctx->ofproto, &ctx->flow, vlan, in_bundle);
+ if (ctx->xin->may_learn) {
+ update_learning_table(ctx->ofproto, &ctx->xin->flow, wc,
+ vlan, in_bundle);
}
/* Determine output bundle. */
- mac = mac_learning_lookup(ctx->ofproto->ml, ctx->flow.dl_dst, vlan,
- &ctx->tags);
+ mac = mac_learning_lookup(ctx->ofproto->ml, ctx->xin->flow.dl_dst, vlan,
+ &ctx->xout->tags);
if (mac) {
if (mac->port.p != in_bundle) {
xlate_report(ctx, "forwarding to learned port");
output_normal(ctx, bundle, vlan);
}
}
- ctx->nf_output_iface = NF_OUT_FLOOD;
+ ctx->xout->nf_output_iface = NF_OUT_FLOOD;
}
}
\f
struct initial_vals initial_vals;
struct odputil_keybuf keybuf;
struct dpif_flow_stats stats;
-
+ struct xlate_out xout;
+ struct xlate_in xin;
struct ofpbuf key;
- struct action_xlate_ctx ctx;
- uint64_t odp_actions_stub[1024 / 8];
- struct ofpbuf odp_actions;
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, flow,
initial_vals.vlan_tci = flow->vlan_tci;
initial_vals.tunnel_ip_tos = 0;
- action_xlate_ctx_init(&ctx, ofproto, flow, &initial_vals, NULL,
- packet_get_tcp_flags(packet, flow), packet);
- ctx.resubmit_stats = &stats;
+ xlate_in_init(&xin, ofproto, flow, &initial_vals, NULL, stats.tcp_flags,
+ packet);
+ xin.resubmit_stats = &stats;
+ xin.ofpacts_len = ofpacts_len;
+ xin.ofpacts = ofpacts;
- ofpbuf_use_stub(&odp_actions,
- odp_actions_stub, sizeof odp_actions_stub);
- xlate_actions(&ctx, ofpacts, ofpacts_len, &odp_actions);
+ xlate_actions(&xin, &xout);
dpif_execute(ofproto->backer->dpif, key.data, key.size,
- odp_actions.data, odp_actions.size, packet);
- ofpbuf_uninit(&odp_actions);
+ xout.odp_actions.data, xout.odp_actions.size, packet);
+ xlate_out_uninit(&xout);
return 0;
}
if (subfacet->path == SF_FAST_PATH) {
struct dpif_flow_stats stats;
- subfacet_reinstall(subfacet, &stats);
+ subfacet_install(subfacet, &facet->xout.odp_actions,
+ &stats);
subfacet_update_stats(subfacet, &stats);
}
}
static void
send_netflow_active_timeouts(struct ofproto_dpif *ofproto)
{
+ struct cls_cursor cursor;
struct facet *facet;
- HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
+ cls_cursor_init(&cursor, &ofproto->facets, NULL);
+ CLS_CURSOR_FOR_EACH (facet, cr, &cursor) {
send_active_timeout(ofproto, facet);
}
}
}
struct trace_ctx {
- struct action_xlate_ctx ctx;
+ struct xlate_out xout;
+ struct xlate_in xin;
struct flow flow;
struct ds *result;
};
static void
trace_format_flow(struct ds *result, int level, const char *title,
- struct trace_ctx *trace)
+ struct trace_ctx *trace)
{
ds_put_char_multiple(result, '\t', level);
ds_put_format(result, "%s: ", title);
- if (flow_equal(&trace->ctx.flow, &trace->flow)) {
+ if (flow_equal(&trace->xin.flow, &trace->flow)) {
ds_put_cstr(result, "unchanged");
} else {
- flow_format(result, &trace->ctx.flow);
- trace->flow = trace->ctx.flow;
+ flow_format(result, &trace->xin.flow);
+ trace->flow = trace->xin.flow;
}
ds_put_char(result, '\n');
}
trace_format_odp(struct ds *result, int level, const char *title,
struct trace_ctx *trace)
{
- struct ofpbuf *odp_actions = trace->ctx.odp_actions;
+ struct ofpbuf *odp_actions = &trace->xout.odp_actions;
ds_put_char_multiple(result, '\t', level);
ds_put_format(result, "%s: ", title);
}
static void
-trace_resubmit(struct action_xlate_ctx *ctx, struct rule_dpif *rule)
+trace_resubmit(struct xlate_ctx *ctx, struct rule_dpif *rule)
{
- struct trace_ctx *trace = CONTAINER_OF(ctx, struct trace_ctx, ctx);
+ struct trace_ctx *trace = CONTAINER_OF(ctx->xin, struct trace_ctx, xin);
struct ds *result = trace->result;
ds_put_char(result, '\n');
}
static void
-trace_report(struct action_xlate_ctx *ctx, const char *s)
+trace_report(struct xlate_ctx *ctx, const char *s)
{
- struct trace_ctx *trace = CONTAINER_OF(ctx, struct trace_ctx, ctx);
+ struct trace_ctx *trace = CONTAINER_OF(ctx->xin, struct trace_ctx, xin);
struct ds *result = trace->result;
ds_put_char_multiple(result, '\t', ctx->recurse);
/* Convert string to datapath key. */
ofpbuf_init(&odp_key, 0);
- error = odp_flow_key_from_string(flow_s, NULL, &odp_key);
+ error = odp_flow_from_string(flow_s, NULL, &odp_key, NULL);
if (error) {
unixctl_command_reply_error(conn, "Bad flow syntax");
goto exit;
flow_format(ds, flow);
ds_put_char(ds, '\n');
- rule = rule_dpif_lookup(ofproto, flow);
+ rule = rule_dpif_lookup(ofproto, flow, NULL);
trace_format_rule(ds, 0, 0, rule);
if (rule == ofproto->miss_rule) {
} else if (rule == ofproto->no_packet_in_rule) {
ds_put_cstr(ds, "\nNo match, packets dropped because "
"OFPPC_NO_PACKET_IN is set on in_port.\n");
+ } else if (rule == ofproto->drop_frags_rule) {
+ ds_put_cstr(ds, "\nPackets dropped because they are IP fragments "
+ "and the fragment handling mode is \"drop\".\n");
}
if (rule) {
uint64_t odp_actions_stub[1024 / 8];
struct ofpbuf odp_actions;
-
struct trace_ctx trace;
+ struct match match;
uint8_t tcp_flags;
tcp_flags = packet ? packet_get_tcp_flags(packet, flow) : 0;
trace.flow = *flow;
ofpbuf_use_stub(&odp_actions,
odp_actions_stub, sizeof odp_actions_stub);
- 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;
- xlate_actions(&trace.ctx, rule->up.ofpacts, rule->up.ofpacts_len,
- &odp_actions);
+ xlate_in_init(&trace.xin, ofproto, flow, initial_vals, rule, tcp_flags,
+ packet);
+ trace.xin.resubmit_hook = trace_resubmit;
+ trace.xin.report_hook = trace_report;
+
+ xlate_actions(&trace.xin, &trace.xout);
ds_put_char(ds, '\n');
trace_format_flow(ds, 0, "Final flow", &trace);
- ds_put_cstr(ds, "Datapath actions: ");
- format_odp_actions(ds, odp_actions.data, odp_actions.size);
- ofpbuf_uninit(&odp_actions);
- if (trace.ctx.slow) {
- enum slow_path_reason slow;
+ match_init(&match, flow, &trace.xout.wc);
+ ds_put_cstr(ds, "Relevant fields: ");
+ match_format(&match, ds, OFP_DEFAULT_PRIORITY);
+ ds_put_char(ds, '\n');
+
+ ds_put_cstr(ds, "Datapath actions: ");
+ format_odp_actions(ds, trace.xout.odp_actions.data,
+ trace.xout.odp_actions.size);
+ if (trace.xout.slow) {
ds_put_cstr(ds, "\nThis flow is handled by the userspace "
"slow path because it:");
- for (slow = trace.ctx.slow; slow; ) {
- enum slow_path_reason bit = rightmost_1bit(slow);
-
- switch (bit) {
- case SLOW_CFM:
- ds_put_cstr(ds, "\n\t- Consists of CFM packets.");
- break;
- case SLOW_LACP:
- ds_put_cstr(ds, "\n\t- Consists of LACP packets.");
- break;
- case SLOW_STP:
- ds_put_cstr(ds, "\n\t- Consists of STP packets.");
- break;
- case SLOW_IN_BAND:
- ds_put_cstr(ds, "\n\t- Needs in-band special case "
- "processing.");
- if (!packet) {
- ds_put_cstr(ds, "\n\t (The datapath actions are "
- "incomplete--for complete actions, "
- "please supply a packet.)");
- }
- break;
- case SLOW_CONTROLLER:
- ds_put_cstr(ds, "\n\t- Sends \"packet-in\" messages "
- "to the OpenFlow controller.");
- break;
- case SLOW_MATCH:
- ds_put_cstr(ds, "\n\t- Needs more specific matching "
- "than the datapath supports.");
- break;
- }
-
- slow &= ~bit;
- }
-
- if (slow & ~SLOW_MATCH) {
- ds_put_cstr(ds, "\nThe datapath actions above do not reflect "
- "the special slow-path processing.");
+ switch (trace.xout.slow) {
+ case SLOW_CFM:
+ ds_put_cstr(ds, "\n\t- Consists of CFM packets.");
+ break;
+ case SLOW_LACP:
+ ds_put_cstr(ds, "\n\t- Consists of LACP packets.");
+ break;
+ case SLOW_STP:
+ ds_put_cstr(ds, "\n\t- Consists of STP packets.");
+ break;
+ case SLOW_CONTROLLER:
+ ds_put_cstr(ds, "\n\t- Sends \"packet-in\" messages "
+ "to the OpenFlow controller.");
+ break;
+ case __SLOW_MAX:
+ NOT_REACHED();
}
}
+
+ xlate_out_uninit(&trace.xout);
}
}
static void
ofproto_dpif_self_check__(struct ofproto_dpif *ofproto, struct ds *reply)
{
+ struct cls_cursor cursor;
struct facet *facet;
int errors;
errors = 0;
- HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
+ cls_cursor_init(&cursor, &ofproto->facets, NULL);
+ CLS_CURSOR_FOR_EACH (facet, cr, &cursor) {
if (!facet_check_consistency(facet)) {
errors++;
}
ds_destroy(&ds);
}
+/* Dump the megaflow (facet) cache. This is useful to check the
+ * correctness of flow wildcarding, since the same mechanism is used for
+ * both xlate caching and kernel wildcarding.
+ *
+ * It's important to note that in the output the flow description uses
+ * OpenFlow (OFP) ports, but the actions use datapath (ODP) ports.
+ *
+ * This command is only needed for advanced debugging, so it's not
+ * documented in the man page. */
+static void
+ofproto_unixctl_dpif_dump_megaflows(struct unixctl_conn *conn,
+ int argc OVS_UNUSED, const char *argv[],
+ void *aux OVS_UNUSED)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ const struct ofproto_dpif *ofproto;
+ long long int now = time_msec();
+ struct cls_cursor cursor;
+ struct facet *facet;
+
+ ofproto = ofproto_dpif_lookup(argv[1]);
+ if (!ofproto) {
+ unixctl_command_reply_error(conn, "no such bridge");
+ return;
+ }
+
+ cls_cursor_init(&cursor, &ofproto->facets, NULL);
+ CLS_CURSOR_FOR_EACH (facet, cr, &cursor) {
+ cls_rule_format(&facet->cr, &ds);
+ ds_put_cstr(&ds, ", ");
+ ds_put_format(&ds, "n_subfacets:%zu, ", list_size(&facet->subfacets));
+ ds_put_format(&ds, "used:%.3fs, ", (now - facet->used) / 1000.0);
+ ds_put_cstr(&ds, "Datapath actions: ");
+ if (facet->xout.slow) {
+ uint64_t slow_path_stub[128 / 8];
+ const struct nlattr *actions;
+ size_t actions_len;
+
+ compose_slow_path(ofproto, &facet->flow, facet->xout.slow,
+ slow_path_stub, sizeof slow_path_stub,
+ &actions, &actions_len);
+ format_odp_actions(&ds, actions, actions_len);
+ } else {
+ format_odp_actions(&ds, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size);
+ }
+ ds_put_cstr(&ds, "\n");
+ }
+
+ ds_chomp(&ds, '\n');
+ unixctl_command_reply(conn, ds_cstr(&ds));
+ ds_destroy(&ds);
+}
+
static void
ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
int argc OVS_UNUSED, const char *argv[],
update_stats(ofproto->backer);
HMAP_FOR_EACH (subfacet, hmap_node, &ofproto->subfacets) {
+ struct facet *facet = subfacet->facet;
+
odp_flow_key_format(subfacet->key, subfacet->key_len, &ds);
ds_put_format(&ds, ", packets:%"PRIu64", bytes:%"PRIu64", used:",
}
ds_put_cstr(&ds, ", actions:");
- if (subfacet->slow) {
+ if (facet->xout.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,
+ compose_slow_path(ofproto, &facet->flow, facet->xout.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);
+ format_odp_actions(&ds, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size);
}
ds_put_char(&ds, '\n');
}
ofproto_unixctl_dpif_dump_flows, NULL);
unixctl_command_register("dpif/del-flows", "bridge", 1, 1,
ofproto_unixctl_dpif_del_flows, NULL);
+ unixctl_command_register("dpif/dump-megaflows", "bridge", 1, 1,
+ ofproto_unixctl_dpif_dump_megaflows, NULL);
}
\f
/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
return hash_2words(realdev_ofp_port, vid);
}
-/* Returns the ODP port number of the Linux VLAN device that corresponds to
- * 'vlan_tci' on the network device with port number 'realdev_odp_port' in
- * 'ofproto'. For example, given 'realdev_odp_port' of eth0 and 'vlan_tci' 9,
- * it would return the port number of eth0.9.
+/* Returns the OFP port number of the Linux VLAN device that corresponds to
+ * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
+ * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
+ * 'vlan_tci' 9, it would return the port number of eth0.9.
*
- * Unless VLAN splinters are enabled for port 'realdev_odp_port', this
- * function just returns its 'realdev_odp_port' argument. */
-static uint32_t
+ * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
+ * function just returns its 'realdev_ofp_port' argument. */
+static uint16_t
vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
- uint32_t realdev_odp_port, ovs_be16 vlan_tci)
+ uint16_t realdev_ofp_port, ovs_be16 vlan_tci)
{
if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
- uint16_t realdev_ofp_port;
int vid = vlan_tci_to_vid(vlan_tci);
const struct vlan_splinter *vsp;
- realdev_ofp_port = odp_port_to_ofp_port(ofproto, realdev_odp_port);
HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
hash_realdev_vid(realdev_ofp_port, vid),
&ofproto->realdev_vid_map) {
if (vsp->realdev_ofp_port == realdev_ofp_port
&& vsp->vid == vid) {
- return ofp_port_to_odp_port(ofproto, vsp->vlandev_ofp_port);
+ return vsp->vlandev_ofp_port;
}
}
}
- return realdev_odp_port;
+ return realdev_ofp_port;
}
static struct vlan_splinter *
projects / cascardo / ovs.git / blobdiff