#include "netlink.h"
#include "nx-match.h"
#include "odp-util.h"
+#include "odp-execute.h"
#include "ofp-util.h"
#include "ofpbuf.h"
#include "ofp-actions.h"
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;
+};
+
+struct xlate_out {
+ 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;
- /* Flow at the last commit. */
- struct flow base_flow;
-
- /* Tunnel IP destination address as received. This is stored separately
- * as the base_flow.tunnel is cleared on init to reflect the datapath
- * behavior. Used to make sure not to send tunneled output to ourselves,
- * which might lead to an infinite loop. This could happen easily
- * if a tunnel is marked as 'ip_remote=flow', and the flow does not
- * actually set the tun_dst field. */
- ovs_be32 orig_tunnel_ip_dst;
-
- /* stack for the push and pop actions.
- * Each stack element is of the type "union mf_subvalue". */
- struct ofpbuf stack;
- union mf_subvalue init_stack[1024 / sizeof(union mf_subvalue)];
+ 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. */
+ /* Tunnel IP destination address as received. This is stored separately
+ * as the base_flow.tunnel is cleared on init to reflect the datapath
+ * behavior. Used to make sure not to send tunneled output to ourselves,
+ * which might lead to an infinite loop. This could happen easily
+ * if a tunnel is marked as 'ip_remote=flow', and the flow does not
+ * actually set the tun_dst field. */
+ ovs_be32 orig_tunnel_ip_dst;
+
+ /* Stack for the push and pop actions. Each stack element is of 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. */
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 *);
-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_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 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);
/* A subfacet (see "struct subfacet" below) has three possible installation
* states:
uint64_t dp_byte_count; /* Last known byte count in the datapath. */
enum subfacet_path path; /* Installed in datapath? */
-
- /* 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
- * no longer part of the bridge, we can't determine the datapath port
- * number needed to delete the flow from the datapath. */
- uint32_t odp_in_port;
};
#define SUBFACET_DESTROY_MAX_BATCH 50
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 int subfacet_install(struct subfacet *,
struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */
uint8_t tcp_flags; /* TCP flags seen for this 'rule'. */
- 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. */
-
- /* Datapath actions. */
- struct ofpbuf odp_actions;
- uint64_t odp_actions_stub[256 / 8];
+ struct xlate_out xout;
/* Initial values of the packet that may be needed later. */
struct initial_vals initial_vals;
- enum slow_path_reason slow; /* 0 if fast path may be used. */
-
/* Storage for a single subfacet, to reduce malloc() time and space
* overhead. (A facet always has at least one subfacet and in the common
* case has exactly one subfacet. However, 'one_subfacet' may not
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);
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. */
static struct ofport_dpif *
odp_port_to_ofport(const struct dpif_backer *, uint32_t odp_port);
-static void dpif_stats_update_hit_count(struct ofproto_dpif *ofproto,
- uint64_t delta);
struct avg_subfacet_rates {
double add_rate; /* Moving average of new flows created per minute. */
double del_rate; /* Moving average of flows deleted per minute. */
/* 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;
const struct ofproto_dpif *);
static double avg_subfacet_count(const struct ofproto_dpif *ofproto);
static void update_moving_averages(struct ofproto_dpif *ofproto);
-static void dpif_stats_update_hit_count(struct ofproto_dpif *ofproto,
- uint64_t delta);
static void update_max_subfacet_count(struct ofproto_dpif *ofproto);
/* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only
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_SAFE (facet, next, hmap_node, &ofproto->facets) {
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;
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;
}
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;
facet = CONTAINER_OF(hmap_random_node(&ofproto->facets),
struct facet, hmap_node);
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) {
{
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 *
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
struct initial_vals initial_vals;
struct list packets;
enum dpif_upcall_type upcall_type;
- uint32_t odp_in_port;
};
struct flow_miss_op {
struct dpif_op dpif_op;
- 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? */
};
/* Sends an OFPT_PACKET_IN message for 'packet' of type OFPR_NO_MATCH to each
eth_pop_vlan(packet);
}
- op->garbage = 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;
{
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.
{
struct rule_dpif *rule = rule_dpif_lookup(miss->ofproto, &miss->flow);
long long int now = time_msec();
- struct action_xlate_ctx ctx;
struct ofpbuf *packet;
+ struct xlate_in xin;
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);
handle_flow_miss_common(rule, packet, &miss->flow);
- ofpbuf_use_stub(&odp_actions, op->stub, sizeof op->stub);
-
dpif_flow_stats_extract(&miss->flow, packet, now, &stats);
rule_credit_stats(rule, &stats);
- action_xlate_ctx_init(&ctx, miss->ofproto, &miss->flow,
- &miss->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, miss->ofproto, &miss->flow, &miss->initial_vals,
+ rule, stats.tcp_flags, packet);
+ xin.resubmit_stats = &stats;
+ xlate_actions(&xin, &op->xout);
- if (odp_actions.size) {
+ if (op->xout.odp_actions.size) {
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);
+ 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);
+ xlate_out_uninit(&op->xout);
}
}
}
struct ofpbuf *packet;
subfacet = subfacet_create(facet, miss, now);
- want_path = subfacet->facet->slow ? SF_SLOW_PATH : SF_FAST_PATH;
+ want_path = subfacet->facet->xout.slow ? SF_SLOW_PATH : SF_FAST_PATH;
LIST_FOR_EACH (packet, list_node, &miss->packets) {
struct flow_miss_op *op = &ops[*n_ops];
handle_flow_miss_common(facet->rule, packet, &miss->flow);
if (want_path != SF_FAST_PATH) {
- struct action_xlate_ctx ctx;
+ struct xlate_in xin;
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- &facet->initial_vals, facet->rule, 0,
- packet);
- xlate_actions_for_side_effects(&ctx, facet->rule->up.ofpacts,
- facet->rule->up.ofpacts_len);
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals,
+ facet->rule, 0, packet);
+ xlate_actions_for_side_effects(&xin);
}
dpif_flow_stats_extract(&facet->flow, packet, now, &stats);
subfacet_update_stats(subfacet, &stats);
- if (facet->odp_actions.size) {
+ if (facet->xout.odp_actions.size) {
struct dpif_execute *execute = &op->dpif_op.u.execute;
init_flow_miss_execute_op(miss, packet, op);
- execute->actions = facet->odp_actions.data,
- execute->actions_len = facet->odp_actions.size;
+ execute->actions = facet->xout.odp_actions.data,
+ execute->actions_len = facet->xout.odp_actions.size;
(*n_ops)++;
}
}
subfacet->path = want_path;
- op->garbage = NULL;
+ op->xout_garbage = false;
op->dpif_op.type = DPIF_OP_FLOW_PUT;
put->flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
put->key = miss->key;
put->key_len = miss->key_len;
if (want_path == SF_FAST_PATH) {
- put->actions = facet->odp_actions.data;
- put->actions_len = facet->odp_actions.size;
+ put->actions = facet->xout.odp_actions.data;
+ put->actions_len = facet->xout.odp_actions.size;
} else {
- compose_slow_path(ofproto, &facet->flow, facet->slow,
- op->stub, sizeof op->stub,
+ compose_slow_path(ofproto, &facet->flow, facet->xout.slow,
+ op->slow_stub, sizeof op->slow_stub,
&put->actions, &put->actions_len);
}
put->stats = NULL;
* 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 alltogether. */
+ * skip facet creation, avoiding the problem altogether. */
if (miss->key_fitness == ODP_FIT_TOO_LITTLE
|| !flow_miss_should_make_facet(ofproto, miss, hash)) {
handle_flow_miss_without_facet(miss, ops, n_ops);
if (error == ENODEV) {
struct drop_key *drop_key;
- /* Received packet on port for which we couldn't associate
- * an ofproto. This can happen if a port is removed while
- * traffic is being received. Print a rate-limited message
+ /* Received packet on datapath port for which we couldn't
+ * associate an ofproto. This can happen if a port is removed
+ * while traffic is being received. Print a rate-limited message
* in case it happens frequently. Install a drop flow so
* that future packets of the flow are inexpensively dropped
* in the kernel. */
- VLOG_INFO_RL(&rl, "received packet on unassociated port %"PRIu32,
- flow.in_port);
+ VLOG_INFO_RL(&rl, "received packet on unassociated datapath port "
+ "%"PRIu32, odp_in_port);
drop_key = drop_key_lookup(backer, upcall->key, upcall->key_len);
if (!drop_key) {
miss->key = upcall->key;
miss->key_len = upcall->key_len;
miss->upcall_type = upcall->type;
- miss->odp_in_port = odp_in_port;
list_init(&miss->packets);
n_misses++;
/* Free memory. */
for (i = 0; i < n_ops; i++) {
- free(flow_miss_ops[i].garbage);
+ 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 ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
+ 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;
}
+ ofproto->n_hit += diff.n_packets;
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);
while (dpif_flow_dump_next(&dump, &key, &key_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) {
case SF_FAST_PATH:
- /* Update ofproto_dpif's hit count. */
- if (stats->n_packets > subfacet->dp_packet_count) {
- uint64_t delta = stats->n_packets - subfacet->dp_packet_count;
- dpif_stats_update_hit_count(ofproto, delta);
- }
-
update_subfacet_stats(subfacet, stats);
break;
&ofproto->subfacets) {
long long int cutoff;
- cutoff = (subfacet->facet->slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP
- | SLOW_STP)
+ cutoff = (subfacet->facet->xout.slow & (SLOW_CFM | SLOW_BFD | SLOW_LACP
+ | SLOW_STP)
? special_cutoff
: normal_cutoff);
if (subfacet->used < cutoff) {
facet_create(const struct flow_miss *miss, uint32_t hash)
{
struct ofproto_dpif *ofproto = miss->ofproto;
- struct action_xlate_ctx ctx;
+ struct xlate_in xin;
struct facet *facet;
facet = xzalloc(sizeof *facet);
netflow_flow_init(&facet->nf_flow);
netflow_flow_update_time(ofproto->netflow, &facet->nf_flow, facet->used);
- ofpbuf_use_stub(&facet->odp_actions, &facet->odp_actions_stub,
- sizeof facet->odp_actions_stub);
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, &facet->initial_vals,
- facet->rule, 0, NULL);
- ctx.may_learn = true;
- xlate_actions(&ctx, facet->rule->up.ofpacts, facet->rule->up.ofpacts_len,
- &facet->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;
- facet->slow = ctx.slow;
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals,
+ facet->rule, 0, NULL);
+ xin.may_learn = true;
+ xlate_actions(&xin, &facet->xout);
+ facet->nf_flow.output_iface = facet->xout.nf_output_iface;
return facet;
}
facet_free(struct facet *facet)
{
if (facet) {
- ofpbuf_uninit(&facet->odp_actions);
+ xlate_out_uninit(&facet->xout);
free(facet);
}
}
static void
facet_learn(struct facet *facet)
{
- struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
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, &facet->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
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, facet->odp_actions.data,
- facet->odp_actions.size) {
+ 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;
if (facet
&& (ofproto->backer->need_revalidate
|| tag_set_intersects(&ofproto->backer->revalidate_set,
- facet->tags))
+ facet->xout.tags))
&& !facet_revalidate(facet)) {
- facet = facet_find(ofproto, flow, hash);
+ return NULL;
}
return 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 action_xlate_ctx ctx;
struct rule_dpif *rule;
bool ok;
}
/* Check the datapath actions for consistency. */
- ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, &facet->initial_vals,
- rule, 0, NULL);
- xlate_actions(&ctx, rule->up.ofpacts, rule->up.ofpacts_len, &odp_actions);
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals, rule,
+ 0, NULL);
+ xlate_actions(&xin, &xout);
- ok = ofpbuf_equal(&facet->odp_actions, &odp_actions)
- && facet->slow == ctx.slow;
+ 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;
flow_format(&s, &facet->flow);
ds_put_cstr(&s, ": inconsistency in facet");
- if (!ofpbuf_equal(&facet->odp_actions, &odp_actions)) {
+ if (!ofpbuf_equal(&facet->xout.odp_actions, &xout.odp_actions)) {
ds_put_cstr(&s, " (actions were: ");
- format_odp_actions(&s, facet->odp_actions.data,
- facet->odp_actions.size);
+ format_odp_actions(&s, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size);
ds_put_cstr(&s, ") (correct actions: ");
- format_odp_actions(&s, odp_actions.data, odp_actions.size);
+ format_odp_actions(&s, xout.odp_actions.data,
+ xout.odp_actions.size);
ds_put_cstr(&s, ")");
}
- if (facet->slow != ctx.slow) {
- ds_put_format(&s, " slow path incorrect. should be %d", ctx.slow);
+ if (facet->xout.slow != xout.slow) {
+ ds_put_format(&s, " slow path incorrect. should be %d", xout.slow);
}
ds_destroy(&s);
}
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
return ok;
}
facet_revalidate(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 action_xlate_ctx ctx;
struct rule_dpif *new_rule;
struct subfacet *subfacet;
+ struct xlate_out xout;
+ struct xlate_in xin;
COVERAGE_INC(facet_revalidate);
* 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. */
- ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub);
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, &facet->initial_vals,
- new_rule, 0, NULL);
- xlate_actions(&ctx, new_rule->up.ofpacts, new_rule->up.ofpacts_len,
- &odp_actions);
+ xlate_in_init(&xin, ofproto, &facet->flow, &facet->initial_vals, new_rule,
+ 0, NULL);
+ xlate_actions(&xin, &xout);
/* 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. */
- if (facet->slow != ctx.slow) {
+ if (facet->xout.slow != xout.slow) {
facet_remove(facet);
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
return false;
}
- if (!ofpbuf_equal(&facet->odp_actions, &odp_actions)) {
+ 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;
- subfacet_install(subfacet, &odp_actions, &stats);
+ subfacet_install(subfacet, &xout.odp_actions, &stats);
subfacet_update_stats(subfacet, &stats);
}
}
facet_flush_stats(facet);
- ofpbuf_clear(&facet->odp_actions);
- ofpbuf_put(&facet->odp_actions, odp_actions.data, odp_actions.size);
+ 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->slow = ctx.slow;
- 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;
+ 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->prev_used = facet->used;
}
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
return true;
}
-/* 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);
- }
-}
-
static void
facet_reset_counters(struct facet *facet)
{
}
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;
+ 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);
- flow_push_stats(facet, &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);
}
}
struct facet *facet;
HMAP_FOR_EACH (facet, hmap_node, &ofproto->facets) {
- facet_push_stats(facet);
+ 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 action_xlate_ctx ctx;
-
- ofproto_rule_update_used(&rule->up, stats->used);
-
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- &facet->initial_vals, rule, 0, NULL);
- ctx.resubmit_stats = stats;
- xlate_actions_for_side_effects(&ctx, rule->up.ofpacts,
- rule->up.ofpacts_len);
-}
\f
/* Subfacets. */
subfacet->dp_packet_count = 0;
subfacet->dp_byte_count = 0;
subfacet->path = SF_NOT_INSTALLED;
- subfacet->odp_in_port = miss->odp_in_port;
ofproto->subfacet_add_count++;
return subfacet;
{
struct facet *facet = subfacet->facet;
struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto);
- enum subfacet_path path = facet->slow ? SF_SLOW_PATH : SF_FAST_PATH;
+ 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;
}
if (path == SF_SLOW_PATH) {
- compose_slow_path(ofproto, &facet->flow, facet->slow,
+ compose_slow_path(ofproto, &facet->flow, facet->xout.slow,
slow_path_stub, sizeof slow_path_stub,
&actions, &actions_len);
}
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
{
struct cls_rule *cls_rule;
struct classifier *cls;
+ bool frag;
if (table_id >= N_TABLES) {
return NULL;
}
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);
+ } else if (frag && ofproto->up.frag_handling == OFPC_FRAG_DROP) {
+ cls_rule = &ofproto->drop_frags_rule->up.cr;
} else {
cls_rule = classifier_lookup(cls, flow);
}
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;
- 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
struct dpif_flow_stats stats;
struct odputil_keybuf keybuf;
struct ofpact_output output;
- struct action_xlate_ctx ctx;
+ struct xlate_out xout;
+ struct xlate_in xin;
struct flow flow;
int error;
output.port = ofport->up.ofp_port;
output.max_len = 0;
- action_xlate_ctx_init(&ctx, ofproto, &flow, NULL, NULL, 0, packet);
- ctx.resubmit_stats = &stats;
- xlate_actions(&ctx, &output.ofpact, sizeof output, &odp_actions);
+ xlate_in_init(&xin, ofproto, &flow, NULL, NULL, 0, packet);
+ xin.ofpacts_len = sizeof output;
+ xin.ofpacts = &output.ofpact;
+ xin.resubmit_stats = &stats;
+ xlate_actions(&xin, &xout);
error = dpif_execute(ofproto->backer->dpif,
key.data, key.size,
- odp_actions.data, odp_actions.size,
+ xout.odp_actions.data, xout.odp_actions.size,
packet);
- ofpbuf_uninit(&odp_actions);
+ xlate_out_uninit(&xout);
if (error) {
VLOG_WARN_RL(&rl, "%s: failed to send packet on port %s (%s)",
\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);
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->ofproto, &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;
+ 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);
if (odp_port == OVSP_NONE) {
xlate_report(ctx, "Tunneling decided against output");
goto out; /* restore flow_nw_tos */
}
- if (ctx->flow.tunnel.ip_dst == ctx->orig_tunnel_ip_dst) {
+ if (ctx->xin->flow.tunnel.ip_dst == ctx->orig_tunnel_ip_dst) {
xlate_report(ctx, "Not tunneling to our own address");
goto out; /* restore flow_nw_tos */
}
- if (ctx->resubmit_stats) {
- netdev_vport_inc_tx(ofport->up.netdev, ctx->resubmit_stats);
+ 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);
+ 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->flow.skb_mark &= ~IPSEC_MARK;
+ 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);
+ 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, 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;
+ struct flow key;
- ovs_assert(!ctx->slow || ctx->slow == SLOW_CONTROLLER);
- 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);
-
- if (packet->l2 && packet->l3) {
- struct eth_header *eh;
- uint16_t mpls_depth;
+ packet = ofpbuf_clone(ctx->xin->packet);
- 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);
-
- if (ctx->flow.vlan_tci & htons(VLAN_CFI)) {
- eth_push_vlan(packet, ctx->flow.vlan_tci);
- }
+ key.skb_priority = 0;
+ key.skb_mark = 0;
+ memset(&key.tunnel, 0, sizeof key.tunnel);
- mpls_depth = eth_mpls_depth(packet);
+ commit_odp_actions(&ctx->xin->flow, &ctx->base_flow,
+ &ctx->xout->odp_actions);
- if (mpls_depth < ctx->flow.mpls_depth) {
- push_mpls(packet, ctx->flow.dl_type, ctx->flow.mpls_lse);
- } else if (mpls_depth > ctx->flow.mpls_depth) {
- pop_mpls(packet, ctx->flow.dl_type);
- } else if (mpls_depth) {
- set_mpls_lse(packet, ctx->flow.mpls_lse);
- }
-
- if (packet->l4) {
- if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
- packet_set_ipv4(packet, ctx->flow.nw_src, ctx->flow.nw_dst,
- ctx->flow.nw_tos, ctx->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);
- }
- }
- }
- }
+ odp_execute_actions(NULL, packet, &key, ctx->xout->odp_actions.data,
+ ctx->xout->odp_actions.size, NULL, NULL);
pin.packet = packet->data;
pin.packet_len = packet->size;
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)
{
ovs_assert(eth_type_mpls(eth_type));
if (ctx->base_flow.mpls_depth) {
- ctx->flow.mpls_lse &= ~htonl(MPLS_BOS_MASK);
- ctx->flow.mpls_depth++;
+ 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;
+ 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));
+ 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;
+ 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--;
+ 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);
- 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) {
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, 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);
int error;
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);
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->flow.tunnel.ip_tos & IP_ECN_MASK) == IP_ECN_CE) {
+ && (ctx->xin->flow.tunnel.ip_tos & IP_ECN_MASK) == IP_ECN_CE) {
if ((ctx->base_flow.nw_tos & IP_ECN_MASK) == IP_ECN_NOT_ECT) {
VLOG_WARN_RL(&rl, "dropping tunnel packet marked ECN CE"
" but is not ECN capable");
return false;
} else {
/* Set the ECN CE value in the tunneled packet. */
- ctx->flow.nw_tos |= IP_ECN_CE;
+ 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);
+ 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);
+ 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);
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,
+ nxm_execute_stack_push(ofpact_get_STACK_PUSH(a), &ctx->xin->flow,
&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);
break;
case OFPACT_BUNDLE:
break;
case OFPACT_LEARN:
- ctx->has_learn = true;
- if (ctx->may_learn) {
+ ctx->xout->has_learn = true;
+ if (ctx->xin->may_learn) {
xlate_learn_action(ctx, ofpact_get_LEARN(a));
}
break;
break;
case OFPACT_FIN_TIMEOUT:
- ctx->has_fin_timeout = true;
+ 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->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;
+ }
+}
+
+static void
+xlate_out_uninit(struct xlate_out *xout)
+{
+ 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;
+
+ 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
* time that action processing starts. 'flow' represents any
* kernel does. If we wish to maintain the original values an action
* needs to be generated. */
- ctx->ofproto = ofproto;
- ctx->flow = *flow;
- ctx->base_flow = ctx->flow;
- memset(&ctx->base_flow.tunnel, 0, sizeof ctx->base_flow.tunnel);
- ctx->orig_tunnel_ip_dst = flow->tunnel.ip_dst;
- ctx->rule = rule;
- ctx->packet = packet;
- ctx->may_learn = packet != NULL;
- ctx->tcp_flags = tcp_flags;
- ctx->resubmit_hook = NULL;
- ctx->report_hook = NULL;
- ctx->resubmit_stats = NULL;
-
- if (initial_vals) {
- ctx->base_flow.vlan_tci = initial_vals->vlan_tci;
+ ctx.xin = xin;
+ ctx.xout = xout;
+
+ ctx.ofproto = xin->ofproto;
+ ctx.rule = xin->rule;
+
+ ctx.base_flow = ctx.xin->flow;
+ ctx.base_flow.vlan_tci = xin->initial_vals.vlan_tci;
+ memset(&ctx.base_flow.tunnel, 0, sizeof ctx.base_flow.tunnel);
+ ctx.orig_tunnel_ip_dst = ctx.xin->flow.tunnel.ip_dst;
+
+ 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_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();
}
-}
-/* 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;
-
- enum slow_path_reason special;
- struct ofport_dpif *in_port;
- struct flow orig_flow;
-
- COVERAGE_INC(ofproto_dpif_xlate);
+ ofpbuf_use_stub(&ctx.stack, ctx.init_stack, sizeof ctx.init_stack);
- 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) {
+ 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.ofproto, &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.vlan_tci = ctx.base_flow.vlan_tci;
- add_sflow_action(ctx);
- add_ipfix_action(ctx);
- sample_actions_len = ctx->odp_actions->size;
+ 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)) {
- ctx->odp_actions->size = sample_actions_len;
+ 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_must_output_local(ctx->ofproto->up.connmgr, &ctx->flow,
+ 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->odp_actions->data,
- ctx->odp_actions->size)) {
- compose_output_action(ctx, OFPP_LOCAL);
+ 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);
}
/* 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);
}
}
\f
}
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,
+ 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;
}
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
* 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;
}
static void
-xlate_normal(struct action_xlate_ctx *ctx)
+xlate_normal(struct xlate_ctx *ctx)
{
struct ofport_dpif *in_port;
struct ofbundle *in_bundle;
uint16_t vlan;
uint16_t vid;
- ctx->has_normal = true;
+ ctx->xout->has_normal = true;
- 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, 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,
dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
initial_vals.vlan_tci = flow->vlan_tci;
- action_xlate_ctx_init(&ctx, ofproto, flow, &initial_vals, NULL,
- packet_get_tcp_flags(packet, flow), packet);
- ctx.resubmit_stats = &stats;
+ 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_install(subfacet, &facet->odp_actions, &stats);
+ subfacet_install(subfacet, &facet->xout.odp_actions, &stats);
subfacet_update_stats(subfacet, &stats);
}
}
}
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);
} 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) {
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);
+ format_odp_actions(ds, trace.xout.odp_actions.data,
+ trace.xout.odp_actions.size);
- if (trace.ctx.slow) {
+ if (trace.xout.slow) {
ds_put_cstr(ds, "\nThis flow is handled by the userspace "
"slow path because it:");
- switch (trace.ctx.slow) {
+ switch (trace.xout.slow) {
case SLOW_CFM:
ds_put_cstr(ds, "\n\t- Consists of CFM packets.");
break;
NOT_REACHED();
}
}
+
+ xlate_out_uninit(&trace.xout);
}
}
}
ds_put_cstr(&ds, ", actions:");
- if (facet->slow) {
+ 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->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, facet->odp_actions.data,
- facet->odp_actions.size);
+ format_odp_actions(&ds, facet->xout.odp_actions.data,
+ facet->xout.odp_actions.size);
}
ds_put_char(&ds, '\n');
}
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 *
}
}
-static void
-dpif_stats_update_hit_count(struct ofproto_dpif *ofproto, uint64_t delta)
-{
- ofproto->n_hit += delta;
-}
-
const struct ofproto_class ofproto_dpif_class = {
init,
enumerate_types,