X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=ofproto%2Fofproto-dpif.c;h=fe0aae3b8a7e0a9ff2b100f6f9f4e40cee05a566;hb=0aeaabc8dbccef7593dc19e891a3f5bbef1991cd;hp=ac1a9633ef5595042ecc0b750f77607ee5783eda;hpb=dd30ff28ca73dfe20e0b0c0e7c58dba485ca0098;p=sliver-openvswitch.git diff --git a/ofproto/ofproto-dpif.c b/ofproto/ofproto-dpif.c index ac1a9633e..fe0aae3b8 100644 --- a/ofproto/ofproto-dpif.c +++ b/ofproto/ofproto-dpif.c @@ -49,6 +49,7 @@ #include "ofproto-dpif-sflow.h" #include "poll-loop.h" #include "simap.h" +#include "smap.h" #include "timer.h" #include "unaligned.h" #include "unixctl.h" @@ -110,14 +111,15 @@ static struct rule_dpif *rule_dpif_lookup(struct ofproto_dpif *, static struct rule_dpif *rule_dpif_lookup__(struct ofproto_dpif *, const struct flow *, uint8_t table); +static struct rule_dpif *rule_dpif_miss_rule(struct ofproto_dpif *ofproto, + const struct flow *flow); static void rule_credit_stats(struct rule_dpif *, const struct dpif_flow_stats *); static void flow_push_stats(struct rule_dpif *, const struct flow *, const struct dpif_flow_stats *); static tag_type rule_calculate_tag(const struct flow *, - const struct flow_wildcards *, - uint32_t basis); + const struct minimask *, uint32_t basis); static void rule_invalidate(const struct rule_dpif *); #define MAX_MIRRORS 32 @@ -276,7 +278,7 @@ struct action_xlate_ctx { 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. */ - uint16_t sflow_odp_port; /* Output port for composing sFlow action. */ + uint32_t sflow_odp_port; /* Output port for composing sFlow action. */ uint16_t user_cookie_offset;/* Used for user_action_cookie fixup. */ bool exit; /* No further actions should be processed. */ struct flow orig_flow; /* Copy of original flow. */ @@ -366,13 +368,20 @@ struct subfacet { ovs_be16 initial_tci; /* Initial VLAN TCI value. */ }; +#define SUBFACET_DESTROY_MAX_BATCH 50 + static struct subfacet *subfacet_create(struct facet *, enum odp_key_fitness, const struct nlattr *key, - size_t key_len, ovs_be16 initial_tci); + size_t key_len, ovs_be16 initial_tci, + long long int now); static struct subfacet *subfacet_find(struct ofproto_dpif *, - const struct nlattr *key, size_t key_len); + const struct nlattr *key, size_t key_len, + uint32_t key_hash, + const struct flow *flow); static void subfacet_destroy(struct subfacet *); static void subfacet_destroy__(struct subfacet *); +static void subfacet_destroy_batch(struct ofproto_dpif *, + struct subfacet **, int n); static void subfacet_get_key(struct subfacet *, struct odputil_keybuf *, struct ofpbuf *key); static void subfacet_reset_dp_stats(struct subfacet *, @@ -483,6 +492,7 @@ static void facet_account(struct facet *); static bool facet_is_controller_flow(struct facet *); struct ofport_dpif { + struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */ struct ofport up; uint32_t odp_port; @@ -541,6 +551,11 @@ 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); +static uint32_t ofp_port_to_odp_port(const struct ofproto_dpif *, + uint16_t ofp_port); +static uint16_t odp_port_to_ofp_port(const struct ofproto_dpif *, + uint32_t odp_port); + static struct ofport_dpif * ofport_dpif_cast(const struct ofport *ofport) { @@ -591,11 +606,25 @@ COVERAGE_DEFINE(rev_port_toggled); COVERAGE_DEFINE(rev_flow_table); COVERAGE_DEFINE(rev_inconsistency); +/* All datapaths of a given type share a single dpif backer instance. */ +struct dpif_backer { + char *type; + int refcount; + struct dpif *dpif; + struct timer next_expiration; + struct hmap odp_to_ofport_map; /* ODP port to ofport mapping. */ +}; + +/* All existing ofproto_backer instances, indexed by ofproto->up.type. */ +static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers); + +static struct ofport_dpif * +odp_port_to_ofport(const struct dpif_backer *, uint32_t odp_port); + struct ofproto_dpif { struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */ struct ofproto up; - struct dpif *dpif; - int max_ports; + struct dpif_backer *backer; /* Special OpenFlow rules. */ struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */ @@ -613,9 +642,6 @@ struct ofproto_dpif { bool has_mirrors; bool has_bonded_bundles; - /* Expiration. */ - struct timer next_expiration; - /* Facets. */ struct hmap facets; struct hmap subfacets; @@ -640,6 +666,11 @@ struct ofproto_dpif { /* VLAN splinters. */ struct hmap realdev_vid_map; /* (realdev,vid) -> vlandev. */ struct hmap vlandev_map; /* vlandev -> (realdev,vid). */ + + /* Ports. */ + struct sset ports; /* Set of port names. */ + struct sset port_poll_set; /* Queued names for port_poll() reply. */ + int port_poll_errno; /* Last errno for port_poll() reply. */ }; /* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only @@ -672,10 +703,10 @@ static void update_learning_table(struct ofproto_dpif *, struct ofbundle *); /* Upcalls. */ #define FLOW_MISS_MAX_BATCH 50 -static int handle_upcalls(struct ofproto_dpif *, unsigned int max_batch); +static int handle_upcalls(struct dpif_backer *, unsigned int max_batch); /* Flow expiration. */ -static int expire(struct ofproto_dpif *); +static int expire(struct dpif_backer *); /* NetFlow. */ static void send_netflow_active_timeouts(struct ofproto_dpif *); @@ -689,9 +720,30 @@ static void add_mirror_actions(struct action_xlate_ctx *ctx, const struct flow *flow); /* Global variables. */ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); + +/* Initial mappings of port to bridge mappings. */ +static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports); /* Factory functions. */ +static void +init(const struct shash *iface_hints) +{ + struct shash_node *node; + + /* Make a local copy, since we don't own 'iface_hints' elements. */ + SHASH_FOR_EACH(node, iface_hints) { + const struct iface_hint *orig_hint = node->data; + struct iface_hint *new_hint = xmalloc(sizeof *new_hint); + + new_hint->br_name = xstrdup(orig_hint->br_name); + new_hint->br_type = xstrdup(orig_hint->br_type); + new_hint->ofp_port = orig_hint->ofp_port; + + shash_add(&init_ofp_ports, node->name, new_hint); + } +} + static void enumerate_types(struct sset *types) { @@ -701,7 +753,17 @@ enumerate_types(struct sset *types) static int enumerate_names(const char *type, struct sset *names) { - return dp_enumerate_names(type, names); + struct ofproto_dpif *ofproto; + + sset_clear(names); + HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { + if (strcmp(type, ofproto->up.type)) { + continue; + } + sset_add(names, ofproto->up.name); + } + + return 0; } static int @@ -718,6 +780,138 @@ del(const char *type, const char *name) return error; } +static const char * +port_open_type(const char *datapath_type, const char *port_type) +{ + return dpif_port_open_type(datapath_type, port_type); +} + +/* Type functions. */ + +static int +type_run(const char *type) +{ + struct dpif_backer *backer; + char *devname; + int error; + + backer = shash_find_data(&all_dpif_backers, type); + if (!backer) { + /* This is not necessarily a problem, since backers are only + * created on demand. */ + return 0; + } + + dpif_run(backer->dpif); + + if (timer_expired(&backer->next_expiration)) { + int delay = expire(backer); + timer_set_duration(&backer->next_expiration, delay); + } + + /* Check for port changes in the dpif. */ + while ((error = dpif_port_poll(backer->dpif, &devname)) == 0) { + struct ofproto_dpif *ofproto = NULL; + struct dpif_port port; + + /* Don't report on the datapath's device. */ + if (!strcmp(devname, dpif_base_name(backer->dpif))) { + continue; + } + + HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, + &all_ofproto_dpifs) { + if (sset_contains(&ofproto->ports, devname)) { + break; + } + } + + if (dpif_port_query_by_name(backer->dpif, devname, &port)) { + /* The port was removed. If we know the datapath, + * report it through poll_set(). If we don't, it may be + * notifying us of a removal we initiated, so ignore it. + * If there's a pending ENOBUFS, let it stand, since + * everything will be reevaluated. */ + if (ofproto && ofproto->port_poll_errno != ENOBUFS) { + sset_add(&ofproto->port_poll_set, devname); + ofproto->port_poll_errno = 0; + } + dpif_port_destroy(&port); + } else if (!ofproto) { + /* The port was added, but we don't know with which + * ofproto we should associate it. Delete it. */ + dpif_port_del(backer->dpif, port.port_no); + } + + free(devname); + } + + if (error != EAGAIN) { + struct ofproto_dpif *ofproto; + + /* There was some sort of error, so propagate it to all + * ofprotos that use this backer. */ + HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, + &all_ofproto_dpifs) { + if (ofproto->backer == backer) { + sset_clear(&ofproto->port_poll_set); + ofproto->port_poll_errno = error; + } + } + } + + return 0; +} + +static int +type_run_fast(const char *type) +{ + struct dpif_backer *backer; + unsigned int work; + + backer = shash_find_data(&all_dpif_backers, type); + if (!backer) { + /* This is not necessarily a problem, since backers are only + * created on demand. */ + return 0; + } + + /* Handle one or more batches of upcalls, until there's nothing left to do + * or until we do a fixed total amount of work. + * + * We do work in batches because it can be much cheaper to set up a number + * of flows and fire off their patches all at once. We do multiple batches + * because in some cases handling a packet can cause another packet to be + * queued almost immediately as part of the return flow. Both + * optimizations can make major improvements on some benchmarks and + * presumably for real traffic as well. */ + work = 0; + while (work < FLOW_MISS_MAX_BATCH) { + int retval = handle_upcalls(backer, FLOW_MISS_MAX_BATCH - work); + if (retval <= 0) { + return -retval; + } + work += retval; + } + + return 0; +} + +static void +type_wait(const char *type) +{ + struct dpif_backer *backer; + + backer = shash_find_data(&all_dpif_backers, type); + if (!backer) { + /* This is not necessarily a problem, since backers are only + * created on demand. */ + return; + } + + timer_wait(&backer->next_expiration); +} + /* Basic life-cycle. */ static int add_internal_flows(struct ofproto_dpif *); @@ -736,33 +930,146 @@ dealloc(struct ofproto *ofproto_) free(ofproto); } -static int -construct(struct ofproto *ofproto_) +static void +close_dpif_backer(struct dpif_backer *backer) { - struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - const char *name = ofproto->up.name; + struct shash_node *node; + + assert(backer->refcount > 0); + + if (--backer->refcount) { + return; + } + + hmap_destroy(&backer->odp_to_ofport_map); + node = shash_find(&all_dpif_backers, backer->type); + free(backer->type); + shash_delete(&all_dpif_backers, node); + dpif_close(backer->dpif); + + free(backer); +} + +/* Datapath port slated for removal from datapath. */ +struct odp_garbage { + struct list list_node; + uint32_t odp_port; +}; + +static int +open_dpif_backer(const char *type, struct dpif_backer **backerp) +{ + struct dpif_backer *backer; + struct dpif_port_dump port_dump; + struct dpif_port port; + struct shash_node *node; + struct list garbage_list; + struct odp_garbage *garbage, *next; + struct sset names; + char *backer_name; + const char *name; int error; - int i; - error = dpif_create_and_open(name, ofproto->up.type, &ofproto->dpif); + backer = shash_find_data(&all_dpif_backers, type); + if (backer) { + backer->refcount++; + *backerp = backer; + return 0; + } + + backer_name = xasprintf("ovs-%s", type); + + /* Remove any existing datapaths, since we assume we're the only + * userspace controlling the datapath. */ + sset_init(&names); + dp_enumerate_names(type, &names); + SSET_FOR_EACH(name, &names) { + struct dpif *old_dpif; + + /* Don't remove our backer if it exists. */ + if (!strcmp(name, backer_name)) { + continue; + } + + if (dpif_open(name, type, &old_dpif)) { + VLOG_WARN("couldn't open old datapath %s to remove it", name); + } else { + dpif_delete(old_dpif); + dpif_close(old_dpif); + } + } + sset_destroy(&names); + + backer = xmalloc(sizeof *backer); + + error = dpif_create_and_open(backer_name, type, &backer->dpif); + free(backer_name); if (error) { - VLOG_ERR("failed to open datapath %s: %s", name, strerror(error)); + VLOG_ERR("failed to open datapath of type %s: %s", type, + strerror(error)); return error; } - ofproto->max_ports = dpif_get_max_ports(ofproto->dpif); - ofproto->n_matches = 0; + backer->type = xstrdup(type); + backer->refcount = 1; + hmap_init(&backer->odp_to_ofport_map); + timer_set_duration(&backer->next_expiration, 1000); + *backerp = backer; + + dpif_flow_flush(backer->dpif); + + /* Loop through the ports already on the datapath and remove any + * that we don't need anymore. */ + list_init(&garbage_list); + dpif_port_dump_start(&port_dump, backer->dpif); + while (dpif_port_dump_next(&port_dump, &port)) { + node = shash_find(&init_ofp_ports, port.name); + if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) { + garbage = xmalloc(sizeof *garbage); + garbage->odp_port = port.port_no; + list_push_front(&garbage_list, &garbage->list_node); + } + } + dpif_port_dump_done(&port_dump); + + LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) { + dpif_port_del(backer->dpif, garbage->odp_port); + list_remove(&garbage->list_node); + free(garbage); + } - dpif_flow_flush(ofproto->dpif); - dpif_recv_purge(ofproto->dpif); + shash_add(&all_dpif_backers, type, backer); - error = dpif_recv_set(ofproto->dpif, true); + error = dpif_recv_set(backer->dpif, true); if (error) { - VLOG_ERR("failed to listen on datapath %s: %s", name, strerror(error)); - dpif_close(ofproto->dpif); + VLOG_ERR("failed to listen on datapath of type %s: %s", + type, strerror(error)); + close_dpif_backer(backer); return error; } + return error; +} + +static int +construct(struct ofproto *ofproto_) +{ + struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); + struct shash_node *node, *next; + int max_ports; + int error; + int i; + + error = open_dpif_backer(ofproto->up.type, &ofproto->backer); + if (error) { + return 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->stp = NULL; @@ -773,8 +1080,6 @@ construct(struct ofproto *ofproto_) } ofproto->has_bonded_bundles = false; - timer_set_duration(&ofproto->next_expiration, 1000); - hmap_init(&ofproto->facets); hmap_init(&ofproto->subfacets); ofproto->governor = NULL; @@ -799,6 +1104,25 @@ construct(struct ofproto *ofproto_) hmap_init(&ofproto->vlandev_map); hmap_init(&ofproto->realdev_vid_map); + sset_init(&ofproto->ports); + sset_init(&ofproto->port_poll_set); + ofproto->port_poll_errno = 0; + + SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) { + const struct iface_hint *iface_hint = node->data; + + if (!strcmp(iface_hint->br_name, ofproto->up.name)) { + /* Check if the datapath already has this port. */ + if (dpif_port_exists(ofproto->backer->dpif, node->name)) { + sset_add(&ofproto->ports, node->name); + } + + free(iface_hint->br_name); + free(iface_hint->br_type); + shash_delete(&init_ofp_ports, node); + } + } + hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node, hash_string(ofproto->up.name, 0)); memset(&ofproto->stats, 0, sizeof ofproto->stats); @@ -817,8 +1141,9 @@ add_internal_flow(struct ofproto_dpif *ofproto, int id, struct ofputil_flow_mod fm; int error; - cls_rule_init_catchall(&fm.cr, 0); - cls_rule_set_reg(&fm.cr, 0, id); + match_init_catchall(&fm.match); + fm.priority = 0; + match_set_reg(&fm.match, 0, id); fm.new_cookie = htonll(0); fm.cookie = htonll(0); fm.cookie_mask = htonll(0); @@ -839,7 +1164,7 @@ add_internal_flow(struct ofproto_dpif *ofproto, int id, return error; } - *rulep = rule_dpif_lookup__(ofproto, &fm.cr.flow, TBL_INTERNAL); + *rulep = rule_dpif_lookup__(ofproto, &fm.match.flow, TBL_INTERNAL); assert(*rulep != NULL); return 0; @@ -922,7 +1247,10 @@ destruct(struct ofproto *ofproto_) hmap_destroy(&ofproto->vlandev_map); hmap_destroy(&ofproto->realdev_vid_map); - dpif_close(ofproto->dpif); + sset_destroy(&ofproto->ports); + sset_destroy(&ofproto->port_poll_set); + + close_dpif_backer(ofproto->backer); } static int @@ -930,29 +1258,11 @@ run_fast(struct ofproto *ofproto_) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); struct ofport_dpif *ofport; - unsigned int work; HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { port_run_fast(ofport); } - /* Handle one or more batches of upcalls, until there's nothing left to do - * or until we do a fixed total amount of work. - * - * We do work in batches because it can be much cheaper to set up a number - * of flows and fire off their patches all at once. We do multiple batches - * because in some cases handling a packet can cause another packet to be - * queued almost immediately as part of the return flow. Both - * optimizations can make major improvements on some benchmarks and - * presumably for real traffic as well. */ - work = 0; - while (work < FLOW_MISS_MAX_BATCH) { - int retval = handle_upcalls(ofproto, FLOW_MISS_MAX_BATCH - work); - if (retval <= 0) { - return -retval; - } - work += retval; - } return 0; } @@ -967,18 +1277,12 @@ run(struct ofproto *ofproto_) if (!clogged) { complete_operations(ofproto); } - dpif_run(ofproto->dpif); error = run_fast(ofproto_); if (error) { return error; } - if (timer_expired(&ofproto->next_expiration)) { - int delay = expire(ofproto); - timer_set_duration(&ofproto->next_expiration, delay); - } - if (ofproto->netflow) { if (netflow_run(ofproto->netflow)) { send_netflow_active_timeouts(ofproto); @@ -1070,8 +1374,8 @@ wait(struct ofproto *ofproto_) poll_immediate_wake(); } - dpif_wait(ofproto->dpif); - dpif_recv_wait(ofproto->dpif); + dpif_wait(ofproto->backer->dpif); + dpif_recv_wait(ofproto->backer->dpif); if (ofproto->sflow) { dpif_sflow_wait(ofproto->sflow); } @@ -1093,8 +1397,6 @@ wait(struct ofproto *ofproto_) /* Shouldn't happen, but if it does just go around again. */ VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()"); poll_immediate_wake(); - } else { - timer_wait(&ofproto->next_expiration); } if (ofproto->governor) { governor_wait(ofproto->governor); @@ -1114,23 +1416,27 @@ static void flush(struct ofproto *ofproto_) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - struct facet *facet, *next_facet; - - HMAP_FOR_EACH_SAFE (facet, next_facet, hmap_node, &ofproto->facets) { - /* Mark the facet as not installed so that facet_remove() doesn't - * bother trying to uninstall it. There is no point in uninstalling it - * individually since we are about to blow away all the facets with - * dpif_flow_flush(). */ - struct subfacet *subfacet; + struct subfacet *subfacet, *next_subfacet; + struct subfacet *batch[SUBFACET_DESTROY_MAX_BATCH]; + int n_batch; - LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) { - subfacet->path = SF_NOT_INSTALLED; - subfacet->dp_packet_count = 0; - subfacet->dp_byte_count = 0; + n_batch = 0; + HMAP_FOR_EACH_SAFE (subfacet, next_subfacet, hmap_node, + &ofproto->subfacets) { + if (subfacet->path != SF_NOT_INSTALLED) { + batch[n_batch++] = subfacet; + if (n_batch >= SUBFACET_DESTROY_MAX_BATCH) { + subfacet_destroy_batch(ofproto, batch, n_batch); + n_batch = 0; + } + } else { + subfacet_destroy(subfacet); } - facet_remove(facet); } - dpif_flow_flush(ofproto->dpif); + + if (n_batch > 0) { + subfacet_destroy_batch(ofproto, batch, n_batch); + } } static void @@ -1153,17 +1459,17 @@ get_features(struct ofproto *ofproto_ OVS_UNUSED, } static void -get_tables(struct ofproto *ofproto_, struct ofp10_table_stats *ots) +get_tables(struct ofproto *ofproto_, struct ofp12_table_stats *ots) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); struct dpif_dp_stats s; strcpy(ots->name, "classifier"); - dpif_get_dp_stats(ofproto->dpif, &s); - put_32aligned_be64(&ots->lookup_count, htonll(s.n_hit + s.n_missed)); - put_32aligned_be64(&ots->matched_count, - htonll(s.n_hit + ofproto->n_matches)); + dpif_get_dp_stats(ofproto->backer->dpif, &s); + + ots->lookup_count = htonll(s.n_hit + s.n_missed); + ots->matched_count = htonll(s.n_hit + ofproto->n_matches); } static struct ofport * @@ -1185,9 +1491,10 @@ port_construct(struct ofport *port_) { struct ofport_dpif *port = ofport_dpif_cast(port_); struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); + struct dpif_port dpif_port; + int error; ofproto->need_revalidate = REV_RECONFIGURE; - port->odp_port = ofp_port_to_odp_port(port->up.ofp_port); port->bundle = NULL; port->cfm = NULL; port->tag = tag_create_random(); @@ -1199,8 +1506,28 @@ port_construct(struct ofport *port_) port->vlandev_vid = 0; port->carrier_seq = netdev_get_carrier_resets(port->up.netdev); + error = dpif_port_query_by_name(ofproto->backer->dpif, + netdev_get_name(port->up.netdev), + &dpif_port); + if (error) { + return error; + } + + port->odp_port = dpif_port.port_no; + + /* Sanity-check that a mapping doesn't already exist. This + * shouldn't happen. */ + if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) { + VLOG_ERR("port %s already has an OpenFlow port number\n", + dpif_port.name); + return EBUSY; + } + + hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node, + hash_int(port->odp_port, 0)); + if (ofproto->sflow) { - dpif_sflow_add_port(ofproto->sflow, port_); + dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port); } return 0; @@ -1211,7 +1538,20 @@ port_destruct(struct ofport *port_) { struct ofport_dpif *port = ofport_dpif_cast(port_); struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto); + struct dpif_port dpif_port; + if (!dpif_port_query_by_number(ofproto->backer->dpif, + port->odp_port, &dpif_port)) { + /* The underlying device is still there, so delete it. This + * happens when the ofproto is being destroyed, since the caller + * assumes that removal of attached ports will happen as part of + * destruction. */ + dpif_port_del(ofproto->backer->dpif, port->odp_port); + dpif_port_destroy(&dpif_port); + } + + sset_find_and_delete(&ofproto->ports, netdev_get_name(port->up.netdev)); + hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node); ofproto->need_revalidate = REV_RECONFIGURE; bundle_remove(port_); set_cfm(port_, NULL); @@ -1262,9 +1602,9 @@ set_sflow(struct ofproto *ofproto_, if (!ds) { struct ofport_dpif *ofport; - ds = ofproto->sflow = dpif_sflow_create(ofproto->dpif); + ds = ofproto->sflow = dpif_sflow_create(); HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) { - dpif_sflow_add_port(ds, &ofport->up); + dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port); } ofproto->need_revalidate = REV_RECONFIGURE; } @@ -1639,7 +1979,7 @@ set_queues(struct ofport *ofport_, uint8_t dscp; dscp = (qdscp_list[i].dscp << 2) & IP_DSCP_MASK; - if (dpif_queue_to_priority(ofproto->dpif, qdscp_list[i].queue, + if (dpif_queue_to_priority(ofproto->backer->dpif, qdscp_list[i].queue, &priority)) { continue; } @@ -2436,16 +2776,17 @@ get_ofp_port(const struct ofproto_dpif *ofproto, uint16_t ofp_port) static struct ofport_dpif * get_odp_port(const struct ofproto_dpif *ofproto, uint32_t odp_port) { - return get_ofp_port(ofproto, odp_port_to_ofp_port(odp_port)); + return get_ofp_port(ofproto, odp_port_to_ofp_port(ofproto, odp_port)); } static void -ofproto_port_from_dpif_port(struct ofproto_port *ofproto_port, +ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto, + struct ofproto_port *ofproto_port, struct dpif_port *dpif_port) { ofproto_port->name = dpif_port->name; ofproto_port->type = dpif_port->type; - ofproto_port->ofp_port = odp_port_to_ofp_port(dpif_port->port_no); + ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no); } static void @@ -2516,23 +2857,27 @@ port_query_by_name(const struct ofproto *ofproto_, const char *devname, struct dpif_port dpif_port; int error; - error = dpif_port_query_by_name(ofproto->dpif, devname, &dpif_port); + if (!sset_contains(&ofproto->ports, devname)) { + return ENODEV; + } + error = dpif_port_query_by_name(ofproto->backer->dpif, + devname, &dpif_port); if (!error) { - ofproto_port_from_dpif_port(ofproto_port, &dpif_port); + ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port); } return error; } static int -port_add(struct ofproto *ofproto_, struct netdev *netdev, uint16_t *ofp_portp) +port_add(struct ofproto *ofproto_, struct netdev *netdev) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - uint16_t odp_port = UINT16_MAX; + uint32_t odp_port = UINT32_MAX; int error; - error = dpif_port_add(ofproto->dpif, netdev, &odp_port); + error = dpif_port_add(ofproto->backer->dpif, netdev, &odp_port); if (!error) { - *ofp_portp = odp_port_to_ofp_port(odp_port); + sset_add(&ofproto->ports, netdev_get_name(netdev)); } return error; } @@ -2541,9 +2886,12 @@ static int port_del(struct ofproto *ofproto_, uint16_t ofp_port) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - int error; + uint32_t odp_port = ofp_port_to_odp_port(ofproto, ofp_port); + int error = 0; - error = dpif_port_del(ofproto->dpif, ofp_port_to_odp_port(ofp_port)); + if (odp_port != OFPP_NONE) { + error = dpif_port_del(ofproto->backer->dpif, odp_port); + } if (!error) { struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); if (ofport) { @@ -2615,19 +2963,18 @@ ofproto_update_local_port_stats(const struct ofproto *ofproto_, } struct port_dump_state { - struct dpif_port_dump dump; - bool done; + uint32_t bucket; + uint32_t offset; }; static int -port_dump_start(const struct ofproto *ofproto_, void **statep) +port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep) { - struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); struct port_dump_state *state; *statep = state = xmalloc(sizeof *state); - dpif_port_dump_start(&state->dump, ofproto->dpif); - state->done = false; + state->bucket = 0; + state->offset = 0; return 0; } @@ -2635,17 +2982,21 @@ static int port_dump_next(const struct ofproto *ofproto_ OVS_UNUSED, void *state_, struct ofproto_port *port) { + struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); struct port_dump_state *state = state_; - struct dpif_port dpif_port; + struct sset_node *node; - if (dpif_port_dump_next(&state->dump, &dpif_port)) { - ofproto_port_from_dpif_port(port, &dpif_port); - return 0; - } else { - int error = dpif_port_dump_done(&state->dump); - state->done = true; - return error ? error : EOF; + while ((node = sset_at_position(&ofproto->ports, &state->bucket, + &state->offset))) { + int error; + + error = port_query_by_name(ofproto_, node->name, port); + if (error != ENODEV) { + return error; + } } + + return EOF; } static int @@ -2653,9 +3004,6 @@ port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_) { struct port_dump_state *state = state_; - if (!state->done) { - dpif_port_dump_done(&state->dump); - } free(state); return 0; } @@ -2664,14 +3012,26 @@ static int port_poll(const struct ofproto *ofproto_, char **devnamep) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - return dpif_port_poll(ofproto->dpif, devnamep); + + if (ofproto->port_poll_errno) { + int error = ofproto->port_poll_errno; + ofproto->port_poll_errno = 0; + return error; + } + + if (sset_is_empty(&ofproto->port_poll_set)) { + return EAGAIN; + } + + *devnamep = sset_pop(&ofproto->port_poll_set); + return 0; } static void port_poll_wait(const struct ofproto *ofproto_) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - dpif_port_poll_wait(ofproto->dpif); + dpif_port_poll_wait(ofproto->backer->dpif); } static int @@ -2696,6 +3056,7 @@ port_is_lacp_current(const struct ofport *ofport_) * It's possible to batch more than that, but the benefit might be minimal. */ struct flow_miss { struct hmap_node hmap_node; + struct ofproto_dpif *ofproto; struct flow flow; enum odp_key_fitness key_fitness; const struct nlattr *key; @@ -2733,9 +3094,6 @@ send_packet_in_miss(struct ofproto_dpif *ofproto, const struct ofpbuf *packet, flow_get_metadata(flow, &pin.fmd); - /* Registers aren't meaningful on a miss. */ - memset(pin.fmd.reg_masks, 0, sizeof pin.fmd.reg_masks); - connmgr_send_packet_in(ofproto->up.connmgr, &pin); } @@ -2869,6 +3227,7 @@ handle_flow_miss_without_facet(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; @@ -2881,7 +3240,7 @@ handle_flow_miss_without_facet(struct flow_miss *miss, ofpbuf_use_stub(&odp_actions, op->stub, sizeof op->stub); - dpif_flow_stats_extract(&miss->flow, packet, &stats); + dpif_flow_stats_extract(&miss->flow, packet, now, &stats); rule_credit_stats(rule, &stats); action_xlate_ctx_init(&ctx, ofproto, &miss->flow, miss->initial_tci, @@ -2906,9 +3265,17 @@ handle_flow_miss_without_facet(struct flow_miss *miss, } /* Handles 'miss', which matches 'facet'. May add any required datapath - * operations to 'ops', incrementing '*n_ops' for each new op. */ + * operations to 'ops', incrementing '*n_ops' for each new op. + * + * All of the packets in 'miss' are considered to have arrived at time 'now'. + * This is really important only for new facets: if we just called time_msec() + * 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. */ static void handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet, + long long int now, struct flow_miss_op *ops, size_t *n_ops) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto); @@ -2918,7 +3285,7 @@ handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet, subfacet = subfacet_create(facet, miss->key_fitness, miss->key, miss->key_len, - miss->initial_tci); + miss->initial_tci, now); LIST_FOR_EACH (packet, list_node, &miss->packets) { struct flow_miss_op *op = &ops[*n_ops]; @@ -2932,7 +3299,7 @@ handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet, subfacet_make_actions(subfacet, packet, &odp_actions); } - dpif_flow_stats_extract(&facet->flow, packet, &stats); + dpif_flow_stats_extract(&facet->flow, packet, now, &stats); subfacet_update_stats(subfacet, &stats); if (subfacet->actions_len) { @@ -2979,13 +3346,15 @@ handle_flow_miss_with_facet(struct flow_miss *miss, struct facet *facet, } } -/* Handles flow miss 'miss' on 'ofproto'. May add any required datapath - * operations to 'ops', incrementing '*n_ops' for each new op. */ +/* Handles flow miss 'miss'. May add any required datapath operations + * to 'ops', incrementing '*n_ops' for each new op. */ static void -handle_flow_miss(struct ofproto_dpif *ofproto, struct flow_miss *miss, - struct flow_miss_op *ops, size_t *n_ops) +handle_flow_miss(struct flow_miss *miss, struct flow_miss_op *ops, + size_t *n_ops) { + struct ofproto_dpif *ofproto = miss->ofproto; struct facet *facet; + long long int now; uint32_t hash; /* The caller must ensure that miss->hmap_node.hash contains @@ -3002,35 +3371,33 @@ handle_flow_miss(struct ofproto_dpif *ofproto, struct flow_miss *miss, } facet = facet_create(rule, &miss->flow, hash); + now = facet->used; + } else { + now = time_msec(); } - handle_flow_miss_with_facet(miss, facet, ops, n_ops); + handle_flow_miss_with_facet(miss, facet, now, ops, n_ops); } -/* Like odp_flow_key_to_flow(), this function converts the 'key_len' bytes of - * OVS_KEY_ATTR_* attributes in 'key' to a flow structure in 'flow' and returns - * an ODP_FIT_* value that indicates how well 'key' fits our expectations for - * what a flow key should contain. - * - * This function also includes some logic to help make VLAN splinters - * transparent to the rest of the upcall processing logic. In particular, if - * the extracted in_port is a VLAN splinter port, it replaces flow->in_port by - * the "real" port, sets flow->vlan_tci correctly for the VLAN of the VLAN - * splinter port, and pushes a VLAN header onto 'packet' (if it is nonnull). +/* This function does post-processing on data returned from + * odp_flow_key_to_flow() to help make VLAN splinters transparent to the + * rest of the upcall processing logic. In particular, if the extracted + * in_port is a VLAN splinter port, it replaces flow->in_port by the "real" + * port, sets flow->vlan_tci correctly for the VLAN of the VLAN splinter + * port, and pushes a VLAN header onto 'packet' (if it is nonnull). The + * caller must have called odp_flow_key_to_flow() and supply 'fitness' and + * 'flow' from its output. The 'flow' argument must have had the "in_port" + * member converted to the OpenFlow number. * * Sets '*initial_tci' to the VLAN TCI with which the packet was really * received, that is, the actual VLAN TCI extracted by odp_flow_key_to_flow(). * (This differs from the value returned in flow->vlan_tci only for packets - * received on VLAN splinters.) - */ + * received on VLAN splinters.) */ static enum odp_key_fitness -ofproto_dpif_extract_flow_key(const struct ofproto_dpif *ofproto, - const struct nlattr *key, size_t key_len, - struct flow *flow, ovs_be16 *initial_tci, - struct ofpbuf *packet) +ofproto_dpif_vsp_adjust(const struct ofproto_dpif *ofproto, + enum odp_key_fitness fitness, + struct flow *flow, ovs_be16 *initial_tci, + struct ofpbuf *packet) { - enum odp_key_fitness fitness; - - fitness = odp_flow_key_to_flow(key, key_len, flow); if (fitness == ODP_FIT_ERROR) { return fitness; } @@ -3065,7 +3432,7 @@ ofproto_dpif_extract_flow_key(const struct ofproto_dpif *ofproto, } static void -handle_miss_upcalls(struct ofproto_dpif *ofproto, struct dpif_upcall *upcalls, +handle_miss_upcalls(struct dpif_backer *backer, struct dpif_upcall *upcalls, size_t n_upcalls) { struct dpif_upcall *upcall; @@ -3092,24 +3459,42 @@ handle_miss_upcalls(struct ofproto_dpif *ofproto, struct dpif_upcall *upcalls, for (upcall = upcalls; upcall < &upcalls[n_upcalls]; upcall++) { struct flow_miss *miss = &misses[n_misses]; struct flow_miss *existing_miss; + enum odp_key_fitness fitness; + struct ofproto_dpif *ofproto; + struct ofport_dpif *port; + struct flow flow; uint32_t hash; + fitness = odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow); + port = odp_port_to_ofport(backer, flow.in_port); + if (!port) { + /* Received packet on port for which we couldn't associate + * an ofproto. This can happen if a port is removed while + * traffic is being received. Print a rate-limited message + * in case it happens frequently. */ + VLOG_INFO_RL(&rl, "received packet on unassociated port %"PRIu32, + flow.in_port); + continue; + } + ofproto = ofproto_dpif_cast(port->up.ofproto); + flow.in_port = port->up.ofp_port; + /* Obtain metadata and check userspace/kernel agreement on flow match, * then set 'flow''s header pointers. */ - miss->key_fitness = ofproto_dpif_extract_flow_key( - ofproto, upcall->key, upcall->key_len, - &miss->flow, &miss->initial_tci, upcall->packet); + miss->key_fitness = ofproto_dpif_vsp_adjust(ofproto, fitness, + &flow, &miss->initial_tci, upcall->packet); if (miss->key_fitness == ODP_FIT_ERROR) { continue; } - flow_extract(upcall->packet, miss->flow.skb_priority, - miss->flow.tun_id, miss->flow.in_port, &miss->flow); + flow_extract(upcall->packet, flow.skb_priority, + &flow.tunnel, flow.in_port, &miss->flow); /* Add other packets to a to-do list. */ hash = flow_hash(&miss->flow, 0); existing_miss = flow_miss_find(&todo, &miss->flow, hash); if (!existing_miss) { hmap_insert(&todo, &miss->hmap_node, hash); + miss->ofproto = ofproto; miss->key = upcall->key; miss->key_len = upcall->key_len; miss->upcall_type = upcall->type; @@ -3126,7 +3511,7 @@ handle_miss_upcalls(struct ofproto_dpif *ofproto, struct dpif_upcall *upcalls, * operations to batch. */ n_ops = 0; HMAP_FOR_EACH (miss, hmap_node, &todo) { - handle_flow_miss(ofproto, miss, flow_miss_ops, &n_ops); + handle_flow_miss(miss, flow_miss_ops, &n_ops); } assert(n_ops <= ARRAY_SIZE(flow_miss_ops)); @@ -3134,7 +3519,7 @@ handle_miss_upcalls(struct ofproto_dpif *ofproto, struct dpif_upcall *upcalls, for (i = 0; i < n_ops; i++) { dpif_ops[i] = &flow_miss_ops[i].dpif_op; } - dpif_operate(ofproto->dpif, dpif_ops, n_ops); + dpif_operate(backer->dpif, dpif_ops, n_ops); /* Free memory and update facets. */ for (i = 0; i < n_ops; i++) { @@ -3195,27 +3580,44 @@ classify_upcall(const struct dpif_upcall *upcall) } static void -handle_sflow_upcall(struct ofproto_dpif *ofproto, +handle_sflow_upcall(struct dpif_backer *backer, const struct dpif_upcall *upcall) { + struct ofproto_dpif *ofproto; union user_action_cookie cookie; enum odp_key_fitness fitness; + struct ofport_dpif *port; ovs_be16 initial_tci; struct flow flow; + uint32_t odp_in_port; + + fitness = odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow); - fitness = ofproto_dpif_extract_flow_key(ofproto, upcall->key, - upcall->key_len, &flow, - &initial_tci, upcall->packet); + port = odp_port_to_ofport(backer, flow.in_port); + if (!port) { + return; + } + + ofproto = ofproto_dpif_cast(port->up.ofproto); + if (!ofproto->sflow) { + return; + } + + odp_in_port = flow.in_port; + flow.in_port = port->up.ofp_port; + fitness = ofproto_dpif_vsp_adjust(ofproto, fitness, &flow, + &initial_tci, upcall->packet); if (fitness == ODP_FIT_ERROR) { return; } memcpy(&cookie, &upcall->userdata, sizeof(cookie)); - dpif_sflow_received(ofproto->sflow, upcall->packet, &flow, &cookie); + dpif_sflow_received(ofproto->sflow, upcall->packet, &flow, + odp_in_port, &cookie); } static int -handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch) +handle_upcalls(struct dpif_backer *backer, unsigned int max_batch) { struct dpif_upcall misses[FLOW_MISS_MAX_BATCH]; struct ofpbuf miss_bufs[FLOW_MISS_MAX_BATCH]; @@ -3234,7 +3636,7 @@ handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch) ofpbuf_use_stub(buf, miss_buf_stubs[n_misses], sizeof miss_buf_stubs[n_misses]); - error = dpif_recv(ofproto->dpif, upcall, buf); + error = dpif_recv(backer->dpif, upcall, buf); if (error) { ofpbuf_uninit(buf); break; @@ -3247,9 +3649,7 @@ handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch) break; case SFLOW_UPCALL: - if (ofproto->sflow) { - handle_sflow_upcall(ofproto, upcall); - } + handle_sflow_upcall(backer, upcall); ofpbuf_uninit(buf); break; @@ -3260,7 +3660,7 @@ handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch) } /* Handle deferred MISS_UPCALL processing. */ - handle_miss_upcalls(ofproto, misses, n_misses); + handle_miss_upcalls(backer, misses, n_misses); for (i = 0; i < n_misses; i++) { ofpbuf_uninit(&miss_bufs[i]); } @@ -3271,7 +3671,7 @@ handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch) /* Flow expiration. */ static int subfacet_max_idle(const struct ofproto_dpif *); -static void update_stats(struct ofproto_dpif *); +static void update_stats(struct dpif_backer *); static void rule_expire(struct rule_dpif *); static void expire_subfacets(struct ofproto_dpif *, int dp_max_idle); @@ -3282,42 +3682,54 @@ static void expire_subfacets(struct ofproto_dpif *, int dp_max_idle); * * Returns the number of milliseconds after which it should be called again. */ static int -expire(struct ofproto_dpif *ofproto) +expire(struct dpif_backer *backer) { - struct rule_dpif *rule, *next_rule; - struct oftable *table; - int dp_max_idle; + struct ofproto_dpif *ofproto; + int max_idle = INT32_MAX; - /* Update stats for each flow in the datapath. */ - update_stats(ofproto); + /* Update stats for each flow in the backer. */ + update_stats(backer); - /* Expire subfacets that have been idle too long. */ - dp_max_idle = subfacet_max_idle(ofproto); - expire_subfacets(ofproto, dp_max_idle); + HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { + struct rule_dpif *rule, *next_rule; + struct oftable *table; + int dp_max_idle; - /* Expire OpenFlow flows whose idle_timeout or hard_timeout has passed. */ - OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { - struct cls_cursor cursor; + if (ofproto->backer != backer) { + continue; + } - cls_cursor_init(&cursor, &table->cls, NULL); - CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { - rule_expire(rule); + /* Expire subfacets that have been idle too long. */ + dp_max_idle = subfacet_max_idle(ofproto); + expire_subfacets(ofproto, dp_max_idle); + + max_idle = MIN(max_idle, dp_max_idle); + + /* Expire OpenFlow flows whose idle_timeout or hard_timeout + * has passed. */ + OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) { + struct cls_cursor cursor; + + cls_cursor_init(&cursor, &table->cls, NULL); + CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) { + rule_expire(rule); + } } - } - /* All outstanding data in existing flows has been accounted, so it's a - * good time to do bond rebalancing. */ - if (ofproto->has_bonded_bundles) { - struct ofbundle *bundle; + /* All outstanding data in existing flows has been accounted, so it's a + * good time to do bond rebalancing. */ + if (ofproto->has_bonded_bundles) { + struct ofbundle *bundle; - HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { - if (bundle->bond) { - bond_rebalance(bundle->bond, &ofproto->revalidate_set); + HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) { + if (bundle->bond) { + bond_rebalance(bundle->bond, &ofproto->revalidate_set); + } } } } - return MIN(dp_max_idle, 1000); + return MIN(max_idle, 1000); } /* Updates flow table statistics given that the datapath just reported 'stats' @@ -3358,7 +3770,7 @@ update_subfacet_stats(struct subfacet *subfacet, /* 'key' with length 'key_len' bytes is a flow in 'dpif' that we know nothing * about, or a flow that shouldn't be installed but was anyway. Delete it. */ static void -delete_unexpected_flow(struct dpif *dpif, +delete_unexpected_flow(struct ofproto_dpif *ofproto, const struct nlattr *key, size_t key_len) { if (!VLOG_DROP_WARN(&rl)) { @@ -3366,12 +3778,12 @@ delete_unexpected_flow(struct dpif *dpif, ds_init(&s); odp_flow_key_format(key, key_len, &s); - VLOG_WARN("unexpected flow from datapath %s", ds_cstr(&s)); + VLOG_WARN("unexpected flow on %s: %s", ofproto->up.name, ds_cstr(&s)); ds_destroy(&s); } COVERAGE_INC(facet_unexpected); - dpif_flow_del(dpif, key, key_len, NULL); + dpif_flow_del(ofproto->backer->dpif, key, key_len, NULL); } /* Update 'packet_count', 'byte_count', and 'used' members of installed facets. @@ -3386,18 +3798,44 @@ delete_unexpected_flow(struct dpif *dpif, * datapath do not justify the benefit of having perfectly accurate statistics. */ static void -update_stats(struct ofproto_dpif *p) +update_stats(struct dpif_backer *backer) { const struct dpif_flow_stats *stats; struct dpif_flow_dump dump; const struct nlattr *key; size_t key_len; - dpif_flow_dump_start(&dump, p->dpif); + dpif_flow_dump_start(&dump, backer->dpif); while (dpif_flow_dump_next(&dump, &key, &key_len, NULL, NULL, &stats)) { + struct flow flow; struct subfacet *subfacet; + enum odp_key_fitness fitness; + struct ofproto_dpif *ofproto; + struct ofport_dpif *port; + uint32_t key_hash; + + fitness = odp_flow_key_to_flow(key, key_len, &flow); + if (fitness == ODP_FIT_ERROR) { + continue; + } + + port = odp_port_to_ofport(backer, flow.in_port); + if (!port) { + /* This flow is for a port for which we couldn't associate an + * ofproto. This can happen if a port is removed while + * traffic is being received. Print a rate-limited message + * in case it happens frequently. */ + VLOG_INFO_RL(&rl, + "stats update for flow with unassociated port %"PRIu32, + flow.in_port); + continue; + } + + ofproto = ofproto_dpif_cast(port->up.ofproto); + flow.in_port = port->up.ofp_port; + key_hash = odp_flow_key_hash(key, key_len); - subfacet = subfacet_find(p, key, key_len); + subfacet = subfacet_find(ofproto, key, key_len, key_hash, &flow); switch (subfacet ? subfacet->path : SF_NOT_INSTALLED) { case SF_FAST_PATH: update_subfacet_stats(subfacet, stats); @@ -3409,7 +3847,7 @@ update_stats(struct ofproto_dpif *p) case SF_NOT_INSTALLED: default: - delete_unexpected_flow(p->dpif, key, key_len); + delete_unexpected_flow(ofproto, key, key_len); break; } } @@ -3490,47 +3928,18 @@ subfacet_max_idle(const struct ofproto_dpif *ofproto) ds_init(&s); ds_put_cstr(&s, "keep"); for (i = 0; i < N_BUCKETS; i++) { - if (i == bucket) { - ds_put_cstr(&s, ", drop"); - } - if (buckets[i]) { - ds_put_format(&s, " %d:%d", i * BUCKET_WIDTH, buckets[i]); - } - } - VLOG_INFO("%s: %s (msec:count)", ofproto->up.name, ds_cstr(&s)); - ds_destroy(&s); - } - - return bucket * BUCKET_WIDTH; -} - -enum { EXPIRE_MAX_BATCH = 50 }; - -static void -expire_batch(struct ofproto_dpif *ofproto, struct subfacet **subfacets, int n) -{ - struct odputil_keybuf keybufs[EXPIRE_MAX_BATCH]; - struct dpif_op ops[EXPIRE_MAX_BATCH]; - struct dpif_op *opsp[EXPIRE_MAX_BATCH]; - struct ofpbuf keys[EXPIRE_MAX_BATCH]; - struct dpif_flow_stats stats[EXPIRE_MAX_BATCH]; - int i; - - for (i = 0; i < n; i++) { - ops[i].type = DPIF_OP_FLOW_DEL; - subfacet_get_key(subfacets[i], &keybufs[i], &keys[i]); - ops[i].u.flow_del.key = keys[i].data; - ops[i].u.flow_del.key_len = keys[i].size; - ops[i].u.flow_del.stats = &stats[i]; - opsp[i] = &ops[i]; + if (i == bucket) { + ds_put_cstr(&s, ", drop"); + } + if (buckets[i]) { + ds_put_format(&s, " %d:%d", i * BUCKET_WIDTH, buckets[i]); + } + } + VLOG_INFO("%s: %s (msec:count)", ofproto->up.name, ds_cstr(&s)); + ds_destroy(&s); } - dpif_operate(ofproto->dpif, opsp, n); - for (i = 0; i < n; i++) { - subfacet_reset_dp_stats(subfacets[i], &stats[i]); - subfacets[i]->path = SF_NOT_INSTALLED; - subfacet_destroy(subfacets[i]); - } + return bucket * BUCKET_WIDTH; } static void @@ -3544,7 +3953,7 @@ expire_subfacets(struct ofproto_dpif *ofproto, int dp_max_idle) long long int special_cutoff = time_msec() - 10000; struct subfacet *subfacet, *next_subfacet; - struct subfacet *batch[EXPIRE_MAX_BATCH]; + struct subfacet *batch[SUBFACET_DESTROY_MAX_BATCH]; int n_batch; n_batch = 0; @@ -3558,8 +3967,8 @@ expire_subfacets(struct ofproto_dpif *ofproto, int dp_max_idle) if (subfacet->used < cutoff) { if (subfacet->path != SF_NOT_INSTALLED) { batch[n_batch++] = subfacet; - if (n_batch >= EXPIRE_MAX_BATCH) { - expire_batch(ofproto, batch, n_batch); + if (n_batch >= SUBFACET_DESTROY_MAX_BATCH) { + subfacet_destroy_batch(ofproto, batch, n_batch); n_batch = 0; } } else { @@ -3569,7 +3978,7 @@ expire_subfacets(struct ofproto_dpif *ofproto, int dp_max_idle) } if (n_batch > 0) { - expire_batch(ofproto, batch, n_batch); + subfacet_destroy_batch(ofproto, batch, n_batch); } } @@ -3662,9 +4071,10 @@ execute_odp_actions(struct ofproto_dpif *ofproto, const struct flow *flow, int error; ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); - odp_flow_key_from_flow(&key, flow); + odp_flow_key_from_flow(&key, flow, + ofp_port_to_odp_port(ofproto, flow->in_port)); - error = dpif_execute(ofproto->dpif, key.data, key.size, + error = dpif_execute(ofproto->backer->dpif, key.data, key.size, odp_actions, actions_len, packet); ofpbuf_delete(packet); @@ -4222,9 +4632,9 @@ flow_push_stats(struct rule_dpif *rule, /* Subfacets. */ static struct subfacet * -subfacet_find__(struct ofproto_dpif *ofproto, - const struct nlattr *key, size_t key_len, uint32_t key_hash, - const struct flow *flow) +subfacet_find(struct ofproto_dpif *ofproto, + const struct nlattr *key, size_t key_len, uint32_t key_hash, + const struct flow *flow) { struct subfacet *subfacet; @@ -4250,7 +4660,8 @@ subfacet_find__(struct ofproto_dpif *ofproto, * subfacet_make_actions(). */ static struct subfacet * subfacet_create(struct facet *facet, enum odp_key_fitness key_fitness, - const struct nlattr *key, size_t key_len, ovs_be16 initial_tci) + const struct nlattr *key, size_t key_len, + ovs_be16 initial_tci, long long int now) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(facet->rule->up.ofproto); uint32_t key_hash = odp_flow_key_hash(key, key_len); @@ -4258,17 +4669,9 @@ subfacet_create(struct facet *facet, enum odp_key_fitness key_fitness, if (list_is_empty(&facet->subfacets)) { subfacet = &facet->one_subfacet; - - /* This subfacet should conceptually be created, and have its first - * packet pass through, at the same time that its facet was created. - * If we called time_msec() here, then the subfacet 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. */ - subfacet->used = facet->used; } else { - subfacet = subfacet_find__(ofproto, key, key_len, key_hash, - &facet->flow); + subfacet = subfacet_find(ofproto, key, key_len, key_hash, + &facet->flow); if (subfacet) { if (subfacet->facet == facet) { return subfacet; @@ -4280,7 +4683,6 @@ subfacet_create(struct facet *facet, enum odp_key_fitness key_fitness, } subfacet = xmalloc(sizeof *subfacet); - subfacet->used = time_msec(); } hmap_insert(&ofproto->subfacets, &subfacet->hmap_node, key_hash); @@ -4294,6 +4696,7 @@ subfacet_create(struct facet *facet, enum odp_key_fitness key_fitness, subfacet->key = NULL; subfacet->key_len = 0; } + subfacet->used = now; subfacet->dp_packet_count = 0; subfacet->dp_byte_count = 0; subfacet->actions_len = 0; @@ -4307,24 +4710,6 @@ subfacet_create(struct facet *facet, enum odp_key_fitness key_fitness, return subfacet; } -/* Searches 'ofproto' for a subfacet with the given 'key', 'key_len', and - * 'flow'. Returns the subfacet if one exists, otherwise NULL. */ -static struct subfacet * -subfacet_find(struct ofproto_dpif *ofproto, - const struct nlattr *key, size_t key_len) -{ - uint32_t key_hash = odp_flow_key_hash(key, key_len); - enum odp_key_fitness fitness; - struct flow flow; - - fitness = odp_flow_key_to_flow(key, key_len, &flow); - if (fitness == ODP_FIT_ERROR) { - return NULL; - } - - return subfacet_find__(ofproto, key, key_len, key_hash, &flow); -} - /* Uninstalls 'subfacet' from the datapath, if it is installed, removes it from * its facet within 'ofproto', and frees it. */ static void @@ -4358,6 +4743,34 @@ subfacet_destroy(struct subfacet *subfacet) } } +static void +subfacet_destroy_batch(struct ofproto_dpif *ofproto, + struct subfacet **subfacets, int n) +{ + struct odputil_keybuf keybufs[SUBFACET_DESTROY_MAX_BATCH]; + struct dpif_op ops[SUBFACET_DESTROY_MAX_BATCH]; + struct dpif_op *opsp[SUBFACET_DESTROY_MAX_BATCH]; + struct ofpbuf keys[SUBFACET_DESTROY_MAX_BATCH]; + struct dpif_flow_stats stats[SUBFACET_DESTROY_MAX_BATCH]; + int i; + + for (i = 0; i < n; i++) { + ops[i].type = DPIF_OP_FLOW_DEL; + subfacet_get_key(subfacets[i], &keybufs[i], &keys[i]); + ops[i].u.flow_del.key = keys[i].data; + ops[i].u.flow_del.key_len = keys[i].size; + ops[i].u.flow_del.stats = &stats[i]; + opsp[i] = &ops[i]; + } + + dpif_operate(ofproto->backer->dpif, opsp, n); + for (i = 0; i < n; i++) { + subfacet_reset_dp_stats(subfacets[i], &stats[i]); + subfacets[i]->path = SF_NOT_INSTALLED; + subfacet_destroy(subfacets[i]); + } +} + /* Initializes 'key' with the sequence of OVS_KEY_ATTR_* Netlink attributes * that can be used to refer to 'subfacet'. The caller must provide 'keybuf' * for use as temporary storage. */ @@ -4365,9 +4778,15 @@ static void subfacet_get_key(struct subfacet *subfacet, struct odputil_keybuf *keybuf, struct ofpbuf *key) { + if (!subfacet->key) { + struct ofproto_dpif *ofproto; + struct flow *flow = &subfacet->facet->flow; + ofpbuf_use_stack(key, keybuf, sizeof *keybuf); - odp_flow_key_from_flow(key, &subfacet->facet->flow); + ofproto = ofproto_dpif_cast(subfacet->facet->rule->up.ofproto); + odp_flow_key_from_flow(key, flow, + ofp_port_to_odp_port(ofproto, flow->in_port)); } else { ofpbuf_use_const(key, subfacet->key, subfacet->key_len); } @@ -4438,7 +4857,7 @@ subfacet_install(struct subfacet *subfacet, } subfacet_get_key(subfacet, &keybuf, &key); - ret = dpif_flow_put(ofproto->dpif, flags, key.data, key.size, + ret = dpif_flow_put(ofproto->backer->dpif, flags, key.data, key.size, actions, actions_len, stats); if (stats) { @@ -4471,7 +4890,8 @@ subfacet_uninstall(struct subfacet *subfacet) int error; subfacet_get_key(subfacet, &keybuf, &key); - error = dpif_flow_del(ofproto->dpif, key.data, key.size, &stats); + error = dpif_flow_del(ofproto->backer->dpif, + key.data, key.size, &stats); subfacet_reset_dp_stats(subfacet, &stats); if (!error) { subfacet_update_stats(subfacet, &stats); @@ -4541,7 +4961,6 @@ subfacet_update_stats(struct subfacet *subfacet, static struct rule_dpif * rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow) { - struct ofport_dpif *port; struct rule_dpif *rule; rule = rule_dpif_lookup__(ofproto, flow, 0); @@ -4549,16 +4968,7 @@ rule_dpif_lookup(struct ofproto_dpif *ofproto, const struct flow *flow) return rule; } - port = get_ofp_port(ofproto, flow->in_port); - if (!port) { - VLOG_WARN_RL(&rl, "packet-in on unknown port %"PRIu16, flow->in_port); - return ofproto->miss_rule; - } - - if (port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN) { - return ofproto->no_packet_in_rule; - } - return ofproto->miss_rule; + return rule_dpif_miss_rule(ofproto, flow); } static struct rule_dpif * @@ -4587,6 +4997,23 @@ rule_dpif_lookup__(struct ofproto_dpif *ofproto, const struct flow *flow, return rule_dpif_cast(rule_from_cls_rule(cls_rule)); } +static struct rule_dpif * +rule_dpif_miss_rule(struct ofproto_dpif *ofproto, const struct flow *flow) +{ + struct ofport_dpif *port; + + port = get_ofp_port(ofproto, flow->in_port); + if (!port) { + VLOG_WARN_RL(&rl, "packet-in on unknown port %"PRIu16, flow->in_port); + return ofproto->miss_rule; + } + + if (port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN) { + return ofproto->no_packet_in_rule; + } + return ofproto->miss_rule; +} + static void complete_operation(struct rule_dpif *rule) { @@ -4623,13 +5050,6 @@ rule_construct(struct rule *rule_) struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); struct rule_dpif *victim; uint8_t table_id; - enum ofperr error; - - error = ofpacts_check(rule->up.ofpacts, rule->up.ofpacts_len, - &rule->up.cr.flow, ofproto->max_ports); - if (error) { - return error; - } rule->packet_count = 0; rule->byte_count = 0; @@ -4656,10 +5076,17 @@ rule_construct(struct rule *rule_) } table_id = rule->up.table_id; - rule->tag = (victim ? victim->tag - : table_id == 0 ? 0 - : rule_calculate_tag(&rule->up.cr.flow, &rule->up.cr.wc, - ofproto->tables[table_id].basis)); + if (victim) { + rule->tag = victim->tag; + } else if (table_id == 0) { + rule->tag = 0; + } else { + struct flow flow; + + miniflow_expand(&rule->up.cr.match.flow, &flow); + rule->tag = rule_calculate_tag(&flow, &rule->up.cr.match.mask, + ofproto->tables[table_id].basis); + } complete_operation(rule); return 0; @@ -4711,7 +5138,7 @@ rule_execute(struct rule *rule_, const struct flow *flow, uint64_t odp_actions_stub[1024 / 8]; struct ofpbuf odp_actions; - dpif_flow_stats_extract(flow, packet, &stats); + dpif_flow_stats_extract(flow, packet, time_msec(), &stats); rule_credit_stats(rule, &stats); ofpbuf_use_stub(&odp_actions, odp_actions_stub, sizeof odp_actions_stub); @@ -4732,15 +5159,6 @@ static void rule_modify_actions(struct rule *rule_) { struct rule_dpif *rule = rule_dpif_cast(rule_); - struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto); - enum ofperr error; - - error = ofpacts_check(rule->up.ofpacts, rule->up.ofpacts_len, - &rule->up.cr.flow, ofproto->max_ports); - if (error) { - ofoperation_complete(rule->up.pending, error); - return; - } complete_operation(rule); } @@ -4754,11 +5172,11 @@ send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) const struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto); struct ofpbuf key, odp_actions; struct odputil_keybuf keybuf; - uint16_t odp_port; + uint32_t odp_port; struct flow flow; int error; - flow_extract(packet, 0, 0, 0, &flow); + flow_extract(packet, 0, NULL, 0, &flow); odp_port = vsp_realdev_to_vlandev(ofproto, ofport->odp_port, flow.vlan_tci); if (odp_port != ofport->odp_port) { @@ -4767,13 +5185,14 @@ send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet) } ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); - odp_flow_key_from_flow(&key, &flow); + odp_flow_key_from_flow(&key, &flow, + ofp_port_to_odp_port(ofproto, flow.in_port)); ofpbuf_init(&odp_actions, 32); compose_sflow_action(ofproto, &odp_actions, &flow, odp_port); nl_msg_put_u32(&odp_actions, OVS_ACTION_ATTR_OUTPUT, odp_port); - error = dpif_execute(ofproto->dpif, + error = dpif_execute(ofproto->backer->dpif, key.data, key.size, odp_actions.data, odp_actions.size, packet); @@ -4818,7 +5237,7 @@ compose_slow_path(const struct ofproto_dpif *ofproto, const struct flow *flow, ofpbuf_use_stack(&buf, stub, stub_size); if (slow & (SLOW_CFM | SLOW_LACP | SLOW_STP)) { - uint32_t pid = dpif_port_get_pid(ofproto->dpif, UINT16_MAX); + uint32_t pid = dpif_port_get_pid(ofproto->backer->dpif, UINT16_MAX); odp_put_userspace_action(pid, &cookie, &buf); } else { put_userspace_action(ofproto, &buf, flow, &cookie); @@ -4835,8 +5254,8 @@ put_userspace_action(const struct ofproto_dpif *ofproto, { uint32_t pid; - pid = dpif_port_get_pid(ofproto->dpif, - ofp_port_to_odp_port(flow->in_port)); + pid = dpif_port_get_pid(ofproto->backer->dpif, + ofp_port_to_odp_port(ofproto, flow->in_port)); return odp_put_userspace_action(pid, cookie, odp_actions); } @@ -4944,7 +5363,7 @@ compose_output_action__(struct action_xlate_ctx *ctx, uint16_t ofp_port, bool check_stp) { const struct ofport_dpif *ofport = get_ofp_port(ctx->ofproto, ofp_port); - uint16_t odp_port = ofp_port_to_odp_port(ofp_port); + uint32_t odp_port = ofp_port_to_odp_port(ctx->ofproto, ofp_port); ovs_be16 flow_vlan_tci = ctx->flow.vlan_tci; uint8_t flow_nw_tos = ctx->flow.nw_tos; uint16_t out_port; @@ -4952,8 +5371,11 @@ compose_output_action__(struct action_xlate_ctx *ctx, uint16_t ofp_port, if (ofport) { struct priority_to_dscp *pdscp; - if (ofport->up.pp.config & OFPUTIL_PC_NO_FWD - || (check_stp && !stp_forward_in_state(ofport->stp_state))) { + if (ofport->up.pp.config & OFPUTIL_PC_NO_FWD) { + xlate_report(ctx, "OFPPC_NO_FWD set, skipping output"); + return; + } else if (check_stp && !stp_forward_in_state(ofport->stp_state)) { + xlate_report(ctx, "STP not in forwarding state, skipping output"); return; } @@ -4991,7 +5413,7 @@ compose_output_action(struct action_xlate_ctx *ctx, uint16_t ofp_port) static void xlate_table_action(struct action_xlate_ctx *ctx, - uint16_t in_port, uint8_t table_id) + uint16_t in_port, uint8_t table_id, bool may_packet_in) { if (ctx->recurse < MAX_RESUBMIT_RECURSION) { struct ofproto_dpif *ofproto = ctx->ofproto; @@ -5014,7 +5436,7 @@ xlate_table_action(struct action_xlate_ctx *ctx, ctx->tags |= (rule && rule->tag ? rule->tag : rule_calculate_tag(&ctx->flow, - &table->other_table->wc, + &table->other_table->mask, table->basis)); } } @@ -5027,6 +5449,17 @@ xlate_table_action(struct action_xlate_ctx *ctx, ctx->resubmit_hook(ctx, rule); } + if (rule == NULL && may_packet_in) { + /* TODO:XXX + * check if table configuration flags + * OFPTC_TABLE_MISS_CONTROLLER, default. + * OFPTC_TABLE_MISS_CONTINUE, + * OFPTC_TABLE_MISS_DROP + * When OF1.0, OFPTC_TABLE_MISS_CONTINUE is used. What to do? + */ + rule = rule_dpif_miss_rule(ofproto, &ctx->flow); + } + if (rule) { struct rule_dpif *old_rule = ctx->rule; @@ -5068,7 +5501,7 @@ xlate_ofpact_resubmit(struct action_xlate_ctx *ctx, table_id = ctx->table_id; } - xlate_table_action(ctx, in_port, table_id); + xlate_table_action(ctx, in_port, table_id, false); } static void @@ -5185,7 +5618,7 @@ compose_dec_ttl(struct action_xlate_ctx *ctx, struct ofpact_cnt_ids *ids) static void xlate_output_action(struct action_xlate_ctx *ctx, - uint16_t port, uint16_t max_len) + uint16_t port, uint16_t max_len, bool may_packet_in) { uint16_t prev_nf_output_iface = ctx->nf_output_iface; @@ -5196,7 +5629,7 @@ xlate_output_action(struct action_xlate_ctx *ctx, compose_output_action(ctx, ctx->flow.in_port); break; case OFPP_TABLE: - xlate_table_action(ctx, ctx->flow.in_port, 0); + xlate_table_action(ctx, ctx->flow.in_port, 0, may_packet_in); break; case OFPP_NORMAL: xlate_normal(ctx); @@ -5216,6 +5649,8 @@ xlate_output_action(struct action_xlate_ctx *ctx, default: if (port != ctx->flow.in_port) { compose_output_action(ctx, port); + } else { + xlate_report(ctx, "skipping output to input port"); } break; } @@ -5236,7 +5671,7 @@ xlate_output_reg_action(struct action_xlate_ctx *ctx, { uint64_t port = mf_get_subfield(&or->src, &ctx->flow); if (port <= UINT16_MAX) { - xlate_output_action(ctx, port, or->max_len); + xlate_output_action(ctx, port, or->max_len, false); } } @@ -5250,10 +5685,11 @@ xlate_enqueue_action(struct action_xlate_ctx *ctx, int error; /* Translate queue to priority. */ - error = dpif_queue_to_priority(ctx->ofproto->dpif, queue_id, &priority); + error = dpif_queue_to_priority(ctx->ofproto->backer->dpif, + queue_id, &priority); if (error) { /* Fall back to ordinary output action. */ - xlate_output_action(ctx, enqueue->port, 0); + xlate_output_action(ctx, enqueue->port, 0, false); return; } @@ -5283,7 +5719,8 @@ xlate_set_queue_action(struct action_xlate_ctx *ctx, uint32_t queue_id) { uint32_t skb_priority; - if (!dpif_queue_to_priority(ctx->ofproto->dpif, queue_id, &skb_priority)) { + if (!dpif_queue_to_priority(ctx->ofproto->backer->dpif, + queue_id, &skb_priority)) { ctx->flow.skb_priority = skb_priority; } else { /* Couldn't translate queue to a priority. Nothing to do. A warning @@ -5348,7 +5785,7 @@ xlate_bundle_action(struct action_xlate_ctx *ctx, if (bundle->dst.field) { nxm_reg_load(&bundle->dst, port, &ctx->flow); } else { - xlate_output_action(ctx, port, 0); + xlate_output_action(ctx, port, 0, false); } } @@ -5438,6 +5875,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len, } OFPACT_FOR_EACH (a, ofpacts, ofpacts_len) { struct ofpact_controller *controller; + const struct ofpact_metadata *metadata; if (ctx->exit) { break; @@ -5446,7 +5884,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len, switch (a->type) { case OFPACT_OUTPUT: xlate_output_action(ctx, ofpact_get_OUTPUT(a)->port, - ofpact_get_OUTPUT(a)->max_len); + ofpact_get_OUTPUT(a)->max_len, true); break; case OFPACT_CONTROLLER: @@ -5477,6 +5915,11 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len, ctx->flow.vlan_tci = htons(0); break; + case OFPACT_PUSH_VLAN: + /* TODO:XXX 802.1AD(QinQ) */ + ctx->flow.vlan_tci = htons(VLAN_CFI); + break; + case OFPACT_SET_ETH_SRC: memcpy(ctx->flow.dl_src, ofpact_get_SET_ETH_SRC(a)->mac, ETH_ADDR_LEN); @@ -5516,7 +5959,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len, break; case OFPACT_SET_TUNNEL: - ctx->flow.tun_id = htonll(ofpact_get_SET_TUNNEL(a)->tun_id); + ctx->flow.tunnel.tun_id = htonll(ofpact_get_SET_TUNNEL(a)->tun_id); break; case OFPACT_SET_QUEUE: @@ -5577,6 +6020,29 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len, ctx->has_fin_timeout = true; xlate_fin_timeout(ctx, ofpact_get_FIN_TIMEOUT(a)); break; + + case OFPACT_CLEAR_ACTIONS: + /* TODO:XXX + * Nothing to do because writa-actions is not supported for now. + * When writa-actions is supported, clear-actions also must + * be supported at the same time. + */ + break; + + case OFPACT_WRITE_METADATA: + metadata = ofpact_get_WRITE_METADATA(a); + ctx->flow.metadata &= ~metadata->mask; + ctx->flow.metadata |= metadata->metadata & metadata->mask; + break; + + case OFPACT_GOTO_TABLE: { + /* TODO:XXX remove recursion */ + /* It is assumed that goto-table is last action */ + struct ofpact_goto_table *ogt = ofpact_get_GOTO_TABLE(a); + assert(ctx->table_id < ogt->table_id); + xlate_table_action(ctx, ctx->flow.in_port, ogt->table_id, true); + break; + } } } @@ -5601,7 +6067,7 @@ action_xlate_ctx_init(struct action_xlate_ctx *ctx, ctx->ofproto = ofproto; ctx->flow = *flow; ctx->base_flow = ctx->flow; - ctx->base_flow.tun_id = 0; + memset(&ctx->base_flow.tunnel, 0, sizeof ctx->base_flow.tunnel); ctx->base_flow.vlan_tci = initial_tci; ctx->rule = rule; ctx->packet = packet; @@ -5991,7 +6457,7 @@ add_mirror_actions(struct action_xlate_ctx *ctx, const struct flow *orig_flow) m = ofproto->mirrors[mirror_mask_ffs(mirrors) - 1]; if (!vlan_is_mirrored(m, vlan)) { - mirrors &= mirrors - 1; + mirrors = zero_rightmost_1bit(mirrors); continue; } @@ -6021,7 +6487,7 @@ update_mirror_stats(struct ofproto_dpif *ofproto, mirror_mask_t mirrors, return; } - for (; mirrors; mirrors &= mirrors - 1) { + for (; mirrors; mirrors = zero_rightmost_1bit(mirrors)) { struct ofmirror *m; m = ofproto->mirrors[mirror_mask_ffs(mirrors) - 1]; @@ -6304,18 +6770,17 @@ xlate_normal(struct action_xlate_ctx *ctx) * a few more, but not all of the facets or even all of the facets that * resubmit to the table modified by MAC learning). */ -/* Calculates the tag to use for 'flow' and wildcards 'wc' when it is inserted +/* Calculates the tag to use for 'flow' and mask 'mask' when it is inserted * into an OpenFlow table with the given 'basis'. */ static tag_type -rule_calculate_tag(const struct flow *flow, const struct flow_wildcards *wc, +rule_calculate_tag(const struct flow *flow, const struct minimask *mask, uint32_t secret) { - if (flow_wildcards_is_catchall(wc)) { + if (minimask_is_catchall(mask)) { return 0; } else { - struct flow tag_flow = *flow; - flow_zero_wildcards(&tag_flow, wc); - return tag_create_deterministic(flow_hash(&tag_flow, secret)); + uint32_t hash = flow_hash_in_minimask(flow, mask, secret); + return tag_create_deterministic(hash); } } @@ -6417,40 +6882,33 @@ packet_out(struct ofproto *ofproto_, struct ofpbuf *packet, const struct ofpact *ofpacts, size_t ofpacts_len) { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - enum ofperr error; - - if (flow->in_port >= ofproto->max_ports && flow->in_port < OFPP_MAX) { - return OFPERR_NXBRC_BAD_IN_PORT; - } + struct odputil_keybuf keybuf; + struct dpif_flow_stats stats; - error = ofpacts_check(ofpacts, ofpacts_len, flow, ofproto->max_ports); - if (!error) { - struct odputil_keybuf keybuf; - struct dpif_flow_stats stats; + struct ofpbuf key; - struct ofpbuf key; + struct action_xlate_ctx ctx; + uint64_t odp_actions_stub[1024 / 8]; + struct ofpbuf odp_actions; - 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, + ofp_port_to_odp_port(ofproto, flow->in_port)); - ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); - odp_flow_key_from_flow(&key, flow); + dpif_flow_stats_extract(flow, packet, time_msec(), &stats); - dpif_flow_stats_extract(flow, packet, &stats); + action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci, NULL, + packet_get_tcp_flags(packet, flow), packet); + ctx.resubmit_stats = &stats; - action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci, NULL, - packet_get_tcp_flags(packet, flow), packet); - ctx.resubmit_stats = &stats; + ofpbuf_use_stub(&odp_actions, + odp_actions_stub, sizeof odp_actions_stub); + xlate_actions(&ctx, ofpacts, ofpacts_len, &odp_actions); + dpif_execute(ofproto->backer->dpif, key.data, key.size, + odp_actions.data, odp_actions.size, packet); + ofpbuf_uninit(&odp_actions); - ofpbuf_use_stub(&odp_actions, - odp_actions_stub, sizeof odp_actions_stub); - xlate_actions(&ctx, ofpacts, ofpacts_len, &odp_actions); - dpif_execute(ofproto->dpif, key.data, key.size, - odp_actions.data, odp_actions.size, packet); - ofpbuf_uninit(&odp_actions); - } - return error; + return 0; } /* NetFlow. */ @@ -6479,7 +6937,7 @@ get_netflow_ids(const struct ofproto *ofproto_, { struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_); - dpif_get_netflow_ids(ofproto->dpif, engine_type, engine_id); + dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id); } static void @@ -6710,6 +7168,7 @@ ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], * you just say "syntax error" or do you present both error messages? * Both choices seem lousy. */ if (strchr(flow_s, '(')) { + enum odp_key_fitness fitness; int error; /* Convert string to datapath key. */ @@ -6720,10 +7179,12 @@ ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], goto exit; } + fitness = odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow); + flow.in_port = odp_port_to_ofp_port(ofproto, flow.in_port); + /* Convert odp_key to flow. */ - error = ofproto_dpif_extract_flow_key(ofproto, odp_key.data, - odp_key.size, &flow, - &initial_tci, NULL); + error = ofproto_dpif_vsp_adjust(ofproto, fitness, &flow, + &initial_tci, NULL); if (error == ODP_FIT_ERROR) { unixctl_command_reply_error(conn, "Invalid flow"); goto exit; @@ -6753,7 +7214,7 @@ ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], const char *tun_id_s = argv[3]; const char *in_port_s = argv[4]; const char *packet_s = argv[5]; - uint16_t in_port = ofp_port_to_odp_port(atoi(in_port_s)); + uint32_t in_port = atoi(in_port_s); ovs_be64 tun_id = htonll(strtoull(tun_id_s, NULL, 0)); uint32_t priority = atoi(priority_s); const char *msg; @@ -6769,7 +7230,8 @@ ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[], ds_put_cstr(&result, s); free(s); - flow_extract(packet, priority, tun_id, in_port, &flow); + flow_extract(packet, priority, NULL, in_port, &flow); + flow.tunnel.tun_id = tun_id; initial_tci = flow.vlan_tci; } else { unixctl_command_reply_error(conn, "Bad command syntax"); @@ -6946,6 +7408,212 @@ ofproto_dpif_self_check(struct unixctl_conn *conn, ds_destroy(&reply); } +/* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list + * of the 'ofproto_shash' nodes. It is the responsibility of the caller + * to destroy 'ofproto_shash' and free the returned value. */ +static const struct shash_node ** +get_ofprotos(struct shash *ofproto_shash) +{ + const struct ofproto_dpif *ofproto; + + HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) { + char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name); + shash_add_nocopy(ofproto_shash, name, ofproto); + } + + return shash_sort(ofproto_shash); +} + +static void +ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED, + const char *argv[] OVS_UNUSED, + void *aux OVS_UNUSED) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + struct shash ofproto_shash; + const struct shash_node **sorted_ofprotos; + int i; + + shash_init(&ofproto_shash); + sorted_ofprotos = get_ofprotos(&ofproto_shash); + for (i = 0; i < shash_count(&ofproto_shash); i++) { + const struct shash_node *node = sorted_ofprotos[i]; + ds_put_format(&ds, "%s\n", node->name); + } + + shash_destroy(&ofproto_shash); + free(sorted_ofprotos); + + unixctl_command_reply(conn, ds_cstr(&ds)); + ds_destroy(&ds); +} + +static void +show_dp_format(const struct ofproto_dpif *ofproto, struct ds *ds) +{ + struct dpif_dp_stats s; + const struct shash_node **ports; + int i; + + dpif_get_dp_stats(ofproto->backer->dpif, &s); + + ds_put_format(ds, "%s (%s):\n", ofproto->up.name, + dpif_name(ofproto->backer->dpif)); + /* xxx It would be better to show bridge-specific stats instead + * xxx of dp ones. */ + ds_put_format(ds, + "\tlookups: hit:%"PRIu64" missed:%"PRIu64" lost:%"PRIu64"\n", + s.n_hit, s.n_missed, s.n_lost); + ds_put_format(ds, "\tflows: %zu\n", + hmap_count(&ofproto->subfacets)); + + ports = shash_sort(&ofproto->up.port_by_name); + for (i = 0; i < shash_count(&ofproto->up.port_by_name); i++) { + const struct shash_node *node = ports[i]; + struct ofport *ofport = node->data; + const char *name = netdev_get_name(ofport->netdev); + const char *type = netdev_get_type(ofport->netdev); + + ds_put_format(ds, "\t%s %u/%u:", name, ofport->ofp_port, + ofp_port_to_odp_port(ofproto, ofport->ofp_port)); + if (strcmp(type, "system")) { + struct netdev *netdev; + int error; + + ds_put_format(ds, " (%s", type); + + error = netdev_open(name, type, &netdev); + if (!error) { + struct smap config; + + smap_init(&config); + error = netdev_get_config(netdev, &config); + if (!error) { + const struct smap_node **nodes; + size_t i; + + nodes = smap_sort(&config); + for (i = 0; i < smap_count(&config); i++) { + const struct smap_node *node = nodes[i]; + ds_put_format(ds, "%c %s=%s", i ? ',' : ':', + node->key, node->value); + } + free(nodes); + } + smap_destroy(&config); + + netdev_close(netdev); + } + ds_put_char(ds, ')'); + } + ds_put_char(ds, '\n'); + } + free(ports); +} + +static void +ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc, + const char *argv[], void *aux OVS_UNUSED) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + const struct ofproto_dpif *ofproto; + + if (argc > 1) { + int i; + for (i = 1; i < argc; i++) { + ofproto = ofproto_dpif_lookup(argv[i]); + if (!ofproto) { + ds_put_format(&ds, "Unknown bridge %s (use dpif/dump-dps " + "for help)", argv[i]); + unixctl_command_reply_error(conn, ds_cstr(&ds)); + return; + } + show_dp_format(ofproto, &ds); + } + } else { + struct shash ofproto_shash; + const struct shash_node **sorted_ofprotos; + int i; + + shash_init(&ofproto_shash); + sorted_ofprotos = get_ofprotos(&ofproto_shash); + for (i = 0; i < shash_count(&ofproto_shash); i++) { + const struct shash_node *node = sorted_ofprotos[i]; + show_dp_format(node->data, &ds); + } + + shash_destroy(&ofproto_shash); + free(sorted_ofprotos); + } + + 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[], + void *aux OVS_UNUSED) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + const struct ofproto_dpif *ofproto; + struct subfacet *subfacet; + + ofproto = ofproto_dpif_lookup(argv[1]); + if (!ofproto) { + unixctl_command_reply_error(conn, "no such bridge"); + return; + } + + HMAP_FOR_EACH (subfacet, hmap_node, &ofproto->subfacets) { + struct odputil_keybuf keybuf; + struct ofpbuf key; + + subfacet_get_key(subfacet, &keybuf, &key); + odp_flow_key_format(key.data, key.size, &ds); + + ds_put_format(&ds, ", packets:%"PRIu64", bytes:%"PRIu64", used:", + subfacet->dp_packet_count, subfacet->dp_byte_count); + if (subfacet->used) { + ds_put_format(&ds, "%.3fs", + (time_msec() - subfacet->used) / 1000.0); + } else { + ds_put_format(&ds, "never"); + } + if (subfacet->facet->tcp_flags) { + ds_put_cstr(&ds, ", flags:"); + packet_format_tcp_flags(&ds, subfacet->facet->tcp_flags); + } + + ds_put_cstr(&ds, ", actions:"); + format_odp_actions(&ds, subfacet->actions, subfacet->actions_len); + ds_put_char(&ds, '\n'); + } + + unixctl_command_reply(conn, ds_cstr(&ds)); + ds_destroy(&ds); +} + +static void +ofproto_unixctl_dpif_del_flows(struct unixctl_conn *conn, + int argc OVS_UNUSED, const char *argv[], + void *aux OVS_UNUSED) +{ + struct ds ds = DS_EMPTY_INITIALIZER; + struct ofproto_dpif *ofproto; + + ofproto = ofproto_dpif_lookup(argv[1]); + if (!ofproto) { + unixctl_command_reply_error(conn, "no such bridge"); + return; + } + + flush(&ofproto->up); + + unixctl_command_reply(conn, ds_cstr(&ds)); + ds_destroy(&ds); +} + static void ofproto_dpif_unixctl_init(void) { @@ -6969,6 +7637,14 @@ ofproto_dpif_unixctl_init(void) ofproto_dpif_unclog, NULL); unixctl_command_register("ofproto/self-check", "[bridge]", 0, 1, ofproto_dpif_self_check, NULL); + unixctl_command_register("dpif/dump-dps", "", 0, 0, + ofproto_unixctl_dpif_dump_dps, NULL); + unixctl_command_register("dpif/show", "[bridge]", 0, INT_MAX, + ofproto_unixctl_dpif_show, NULL); + unixctl_command_register("dpif/dump-flows", "bridge", 1, 1, + ofproto_unixctl_dpif_dump_flows, NULL); + unixctl_command_register("dpif/del-flows", "bridge", 1, 1, + ofproto_unixctl_dpif_del_flows, NULL); } /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) @@ -7028,16 +7704,17 @@ vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto, uint32_t realdev_odp_port, ovs_be16 vlan_tci) { if (!hmap_is_empty(&ofproto->realdev_vid_map)) { - uint16_t realdev_ofp_port = odp_port_to_ofp_port(realdev_odp_port); + 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(vsp->vlandev_ofp_port); + return ofp_port_to_odp_port(ofproto, vsp->vlandev_ofp_port); } } } @@ -7152,11 +7829,52 @@ vsp_add(struct ofport_dpif *port, uint16_t realdev_ofp_port, int vid) VLOG_ERR("duplicate vlan device record"); } } - + +static uint32_t +ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, uint16_t ofp_port) +{ + const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port); + return ofport ? ofport->odp_port : OVSP_NONE; +} + +static struct ofport_dpif * +odp_port_to_ofport(const struct dpif_backer *backer, uint32_t odp_port) +{ + struct ofport_dpif *port; + + HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, + hash_int(odp_port, 0), + &backer->odp_to_ofport_map) { + if (port->odp_port == odp_port) { + return port; + } + } + + return NULL; +} + +static uint16_t +odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, uint32_t odp_port) +{ + struct ofport_dpif *port; + + port = odp_port_to_ofport(ofproto->backer, odp_port); + if (port && ofproto == ofproto_dpif_cast(port->up.ofproto)) { + return port->up.ofp_port; + } else { + return OFPP_NONE; + } +} + const struct ofproto_class ofproto_dpif_class = { + init, enumerate_types, enumerate_names, del, + port_open_type, + type_run, + type_run_fast, + type_wait, alloc, construct, destruct,