* If dp_netdev_input is not called from a pmd thread, a mutex is used.
*/
-#define EM_FLOW_HASH_SHIFT 10
+#define EM_FLOW_HASH_SHIFT 13
#define EM_FLOW_HASH_ENTRIES (1u << EM_FLOW_HASH_SHIFT)
#define EM_FLOW_HASH_MASK (EM_FLOW_HASH_ENTRIES - 1)
#define EM_FLOW_HASH_SEGS 2
/* A port in a netdev-based datapath. */
struct dp_netdev_port {
- struct cmap_node node; /* Node in dp_netdev's 'ports'. */
odp_port_t port_no;
struct netdev *netdev;
+ struct cmap_node node; /* Node in dp_netdev's 'ports'. */
struct netdev_saved_flags *sf;
struct netdev_rxq **rxq;
struct ovs_refcount ref_cnt;
* requires synchronization, as noted in more detail below.
*/
struct dp_netdev_flow {
- bool dead;
-
+ const struct flow flow; /* Unmasked flow that created this entry. */
/* Hash table index by unmasked flow. */
const struct cmap_node node; /* In owning dp_netdev_pmd_thread's */
/* 'flow_table'. */
const ovs_u128 ufid; /* Unique flow identifier. */
- const struct flow flow; /* Unmasked flow that created this entry. */
- const int pmd_id; /* The 'core_id' of pmd thread owning this */
+ const unsigned pmd_id; /* The 'core_id' of pmd thread owning this */
/* flow. */
/* Number of references.
* reference. */
struct ovs_refcount ref_cnt;
+ bool dead;
+
/* Statistics. */
struct dp_netdev_flow_stats stats;
/* Actions. */
OVSRCU_TYPE(struct dp_netdev_actions *) actions;
+ /* While processing a group of input packets, the datapath uses the next
+ * member to store a pointer to the output batch for the flow. It is
+ * reset after the batch has been sent out (See dp_netdev_queue_batches(),
+ * packet_batch_init() and packet_batch_execute()). */
+ struct packet_batch *batch;
+
/* Packet classification. */
struct dpcls_rule cr; /* In owning dp_netdev's 'cls'. */
/* 'cr' must be the last member. */
struct dp_netdev_actions {
/* These members are immutable: they do not change during the struct's
* lifetime. */
- struct nlattr *actions; /* Sequence of OVS_ACTION_ATTR_* attributes. */
unsigned int size; /* Size of 'actions', in bytes. */
+ struct nlattr actions[]; /* Sequence of OVS_ACTION_ATTR_* attributes. */
};
struct dp_netdev_actions *dp_netdev_actions_create(const struct nlattr *,
pthread_t thread;
int index; /* Idx of this pmd thread among pmd*/
/* threads on same numa node. */
- int core_id; /* CPU core id of this pmd thread. */
+ unsigned core_id; /* CPU core id of this pmd thread. */
int numa_id; /* numa node id of this pmd thread. */
+ int tx_qid; /* Queue id used by this pmd thread to
+ * send packets on all netdevs */
/* Only a pmd thread can write on its own 'cycles' and 'stats'.
* The main thread keeps 'stats_zero' and 'cycles_zero' as base
void dp_netdev_pmd_reload_done(struct dp_netdev_pmd_thread *pmd);
static void dp_netdev_configure_pmd(struct dp_netdev_pmd_thread *pmd,
struct dp_netdev *dp, int index,
- int core_id, int numa_id);
+ unsigned core_id, int numa_id);
static void dp_netdev_destroy_pmd(struct dp_netdev_pmd_thread *pmd);
static void dp_netdev_set_nonpmd(struct dp_netdev *dp);
static struct dp_netdev_pmd_thread *dp_netdev_get_pmd(struct dp_netdev *dp,
- int core_id);
+ unsigned core_id);
static struct dp_netdev_pmd_thread *
dp_netdev_pmd_get_next(struct dp_netdev *dp, struct cmap_position *pos);
static void dp_netdev_destroy_all_pmds(struct dp_netdev *dp);
flow_cache->sweep_idx = (flow_cache->sweep_idx + 1) & EM_FLOW_HASH_MASK;
}
+/* Returns true if 'dpif' is a netdev or dummy dpif, false otherwise. */
+bool
+dpif_is_netdev(const struct dpif *dpif)
+{
+ return dpif->dpif_class->open == dpif_netdev_open;
+}
+
static struct dpif_netdev *
dpif_netdev_cast(const struct dpif *dpif)
{
- ovs_assert(dpif->dpif_class->open == dpif_netdev_open);
+ ovs_assert(dpif_is_netdev(dpif));
return CONTAINER_OF(dpif, struct dpif_netdev, dpif);
}
if (pmd->numa_id != OVS_NUMA_UNSPEC) {
ds_put_format(reply, " numa_id %d", pmd->numa_id);
}
- if (pmd->core_id != OVS_CORE_UNSPEC) {
- ds_put_format(reply, " core_id %d", pmd->core_id);
+ if (pmd->core_id != OVS_CORE_UNSPEC && pmd->core_id != NON_PMD_CORE_ID) {
+ ds_put_format(reply, " core_id %u", pmd->core_id);
}
ds_put_cstr(reply, ":\n");
ovs_mutex_init_recursive(&dp->non_pmd_mutex);
ovsthread_key_create(&dp->per_pmd_key, NULL);
- /* Reserves the core NON_PMD_CORE_ID for all non-pmd threads. */
- ovs_numa_try_pin_core_specific(NON_PMD_CORE_ID);
dp_netdev_set_nonpmd(dp);
dp->n_dpdk_rxqs = NR_QUEUE;
return ENOENT;
}
/* There can only be ovs_numa_get_n_cores() pmd threads,
- * so creates a txq for each. */
- error = netdev_set_multiq(netdev, n_cores, dp->n_dpdk_rxqs);
+ * so creates a txq for each, and one extra for the non
+ * pmd threads. */
+ error = netdev_set_multiq(netdev, n_cores + 1, dp->n_dpdk_rxqs);
if (error && (error != EOPNOTSUPP)) {
VLOG_ERR("%s, cannot set multiq", devname);
return errno;
if (ufidp) {
CMAP_FOR_EACH_WITH_HASH (netdev_flow, node, dp_netdev_flow_hash(ufidp),
&pmd->flow_table) {
- if (ovs_u128_equal(&netdev_flow->ufid, ufidp)) {
+ if (ovs_u128_equals(&netdev_flow->ufid, ufidp)) {
return netdev_flow;
}
}
struct flow_wildcards wc;
struct dp_netdev_actions *actions;
size_t offset;
+ struct odp_flow_key_parms odp_parms = {
+ .flow = &netdev_flow->flow,
+ .mask = &wc.masks,
+ .recirc = true,
+ .max_mpls_depth = SIZE_MAX,
+ };
miniflow_expand(&netdev_flow->cr.mask->mf, &wc.masks);
/* Key */
offset = key_buf->size;
flow->key = ofpbuf_tail(key_buf);
- odp_flow_key_from_flow(key_buf, &netdev_flow->flow, &wc.masks,
- netdev_flow->flow.in_port.odp_port, true);
+ odp_parms.odp_in_port = netdev_flow->flow.in_port.odp_port;
+ odp_flow_key_from_flow(&odp_parms, key_buf);
flow->key_len = key_buf->size - offset;
/* Mask */
offset = mask_buf->size;
flow->mask = ofpbuf_tail(mask_buf);
- odp_flow_key_from_mask(mask_buf, &wc.masks, &netdev_flow->flow,
- odp_to_u32(wc.masks.in_port.odp_port),
- SIZE_MAX, true);
+ odp_parms.odp_in_port = wc.masks.in_port.odp_port;
+ odp_parms.key_buf = key_buf;
+ odp_flow_key_from_mask(&odp_parms, mask_buf);
flow->mask_len = mask_buf->size - offset;
/* Actions */
if (mask_key_len) {
enum odp_key_fitness fitness;
- fitness = odp_flow_key_to_mask(mask_key, mask_key_len, mask, flow);
+ fitness = odp_flow_key_to_mask(mask_key, mask_key_len, key, key_len,
+ mask, flow);
if (fitness) {
/* This should not happen: it indicates that
* odp_flow_key_from_mask() and odp_flow_key_to_mask()
struct dp_netdev *dp = get_dp_netdev(dpif);
struct dp_netdev_flow *netdev_flow;
struct dp_netdev_pmd_thread *pmd;
- int pmd_id = get->pmd_id == PMD_ID_NULL ? NON_PMD_CORE_ID : get->pmd_id;
+ unsigned pmd_id = get->pmd_id == PMD_ID_NULL
+ ? NON_PMD_CORE_ID : get->pmd_id;
int error = 0;
pmd = dp_netdev_get_pmd(dp, pmd_id);
flow = xmalloc(sizeof *flow - sizeof flow->cr.flow.mf + mask.len);
memset(&flow->stats, 0, sizeof flow->stats);
flow->dead = false;
- *CONST_CAST(int *, &flow->pmd_id) = pmd->core_id;
+ flow->batch = NULL;
+ *CONST_CAST(unsigned *, &flow->pmd_id) = pmd->core_id;
*CONST_CAST(struct flow *, &flow->flow) = match->flow;
*CONST_CAST(ovs_u128 *, &flow->ufid) = *ufid;
ovs_refcount_init(&flow->ref_cnt);
struct dp_netdev_pmd_thread *pmd;
struct match match;
ovs_u128 ufid;
- int pmd_id = put->pmd_id == PMD_ID_NULL ? NON_PMD_CORE_ID : put->pmd_id;
+ unsigned pmd_id = put->pmd_id == PMD_ID_NULL
+ ? NON_PMD_CORE_ID : put->pmd_id;
int error;
error = dpif_netdev_flow_from_nlattrs(put->key, put->key_len, &match.flow);
struct dp_netdev *dp = get_dp_netdev(dpif);
struct dp_netdev_flow *netdev_flow;
struct dp_netdev_pmd_thread *pmd;
- int pmd_id = del->pmd_id == PMD_ID_NULL ? NON_PMD_CORE_ID : del->pmd_id;
+ unsigned pmd_id = del->pmd_id == PMD_ID_NULL
+ ? NON_PMD_CORE_ID : del->pmd_id;
int error = 0;
pmd = dp_netdev_get_pmd(dp, pmd_id);
}
/* Sets the new rx queue config. */
- err = netdev_set_multiq(port->netdev, ovs_numa_get_n_cores(),
+ err = netdev_set_multiq(port->netdev,
+ ovs_numa_get_n_cores() + 1,
n_rxqs);
if (err && (err != EOPNOTSUPP)) {
VLOG_ERR("Failed to set dpdk interface %s rx_queue to:"
}
\f
-/* Creates and returns a new 'struct dp_netdev_actions', with a reference count
- * of 1, whose actions are a copy of from the 'ofpacts_len' bytes of
- * 'ofpacts'. */
+/* Creates and returns a new 'struct dp_netdev_actions', whose actions are
+ * a copy of the 'ofpacts_len' bytes of 'ofpacts'. */
struct dp_netdev_actions *
dp_netdev_actions_create(const struct nlattr *actions, size_t size)
{
struct dp_netdev_actions *netdev_actions;
- netdev_actions = xmalloc(sizeof *netdev_actions);
- netdev_actions->actions = xmemdup(actions, size);
+ netdev_actions = xmalloc(sizeof *netdev_actions + size);
+ memcpy(netdev_actions->actions, actions, size);
netdev_actions->size = size;
return netdev_actions;
static void
dp_netdev_actions_free(struct dp_netdev_actions *actions)
{
- free(actions->actions);
free(actions);
}
\f
struct dp_netdev_port *port,
struct netdev_rxq *rxq)
{
- struct dp_packet *packets[NETDEV_MAX_RX_BATCH];
+ struct dp_packet *packets[NETDEV_MAX_BURST];
int error, cnt;
cycles_count_start(pmd);
/* XXX: initialize md in netdev implementation. */
for (i = 0; i < cnt; i++) {
- packets[i]->md = PKT_METADATA_INITIALIZER(port->port_no);
+ pkt_metadata_init(&packets[i]->md, port->port_no);
}
cycles_count_start(pmd);
dp_netdev_input(pmd, packets, cnt);
emc_cache_init(&pmd->flow_cache);
poll_cnt = pmd_load_queues(pmd, &poll_list, poll_cnt);
+ /* List port/core affinity */
+ for (i = 0; i < poll_cnt; i++) {
+ VLOG_INFO("Core %d processing port \'%s\'\n", pmd->core_id, netdev_get_name(poll_list[i].port->netdev));
+ }
+
/* Signal here to make sure the pmd finishes
* reloading the updated configuration. */
dp_netdev_pmd_reload_done(pmd);
*
* Caller must unrefs the returned reference. */
static struct dp_netdev_pmd_thread *
-dp_netdev_get_pmd(struct dp_netdev *dp, int core_id)
+dp_netdev_get_pmd(struct dp_netdev *dp, unsigned core_id)
{
struct dp_netdev_pmd_thread *pmd;
const struct cmap_node *pnode;
return next;
}
+static int
+core_id_to_qid(unsigned core_id)
+{
+ if (core_id != NON_PMD_CORE_ID) {
+ return core_id;
+ } else {
+ return ovs_numa_get_n_cores();
+ }
+}
+
/* Configures the 'pmd' based on the input argument. */
static void
dp_netdev_configure_pmd(struct dp_netdev_pmd_thread *pmd, struct dp_netdev *dp,
- int index, int core_id, int numa_id)
+ int index, unsigned core_id, int numa_id)
{
pmd->dp = dp;
pmd->index = index;
pmd->core_id = core_id;
+ pmd->tx_qid = core_id_to_qid(core_id);
pmd->numa_id = numa_id;
ovs_refcount_init(&pmd->ref_cnt);
can_have = dp->pmd_cmask ? n_unpinned : MIN(n_unpinned, NR_PMD_THREADS);
for (i = 0; i < can_have; i++) {
struct dp_netdev_pmd_thread *pmd = xzalloc(sizeof *pmd);
- int core_id = ovs_numa_get_unpinned_core_on_numa(numa_id);
+ unsigned core_id = ovs_numa_get_unpinned_core_on_numa(numa_id);
dp_netdev_configure_pmd(pmd, dp, i, core_id, numa_id);
/* Each thread will distribute all devices rx-queues among
static void
dp_netdev_flow_used(struct dp_netdev_flow *netdev_flow, int cnt, int size,
- uint16_t tcp_flags)
+ uint16_t tcp_flags, long long now)
{
- long long now = time_msec();
uint16_t flags;
atomic_store_relaxed(&netdev_flow->stats.used, now);
struct ds ds = DS_EMPTY_INITIALIZER;
char *packet_str;
struct ofpbuf key;
+ struct odp_flow_key_parms odp_parms = {
+ .flow = flow,
+ .mask = &wc->masks,
+ .odp_in_port = flow->in_port.odp_port,
+ .recirc = true,
+ };
ofpbuf_init(&key, 0);
- odp_flow_key_from_flow(&key, flow, &wc->masks, flow->in_port.odp_port,
- true);
+ odp_flow_key_from_flow(&odp_parms, &key);
packet_str = ofp_packet_to_string(dp_packet_data(packet_),
dp_packet_size(packet_));
}
static inline uint32_t
-dpif_netdev_packet_get_dp_hash(struct dp_packet *packet,
- const struct miniflow *mf)
+dpif_netdev_packet_get_rss_hash(struct dp_packet *packet,
+ const struct miniflow *mf)
{
- uint32_t hash;
+ uint32_t hash, recirc_depth;
- hash = dp_packet_get_dp_hash(packet);
+ hash = dp_packet_get_rss_hash(packet);
if (OVS_UNLIKELY(!hash)) {
hash = miniflow_hash_5tuple(mf, 0);
- dp_packet_set_dp_hash(packet, hash);
+ dp_packet_set_rss_hash(packet, hash);
+ }
+
+ /* The RSS hash must account for the recirculation depth to avoid
+ * collisions in the exact match cache */
+ recirc_depth = *recirc_depth_get_unsafe();
+ if (OVS_UNLIKELY(recirc_depth)) {
+ hash = hash_finish(hash, recirc_depth);
+ dp_packet_set_rss_hash(packet, hash);
}
return hash;
}
struct dp_netdev_flow *flow;
- struct dp_packet *packets[NETDEV_MAX_RX_BATCH];
+ struct dp_packet *packets[NETDEV_MAX_BURST];
};
static inline void
static inline void
packet_batch_init(struct packet_batch *batch, struct dp_netdev_flow *flow)
{
- batch->flow = flow;
+ flow->batch = batch;
+ batch->flow = flow;
batch->packet_count = 0;
batch->byte_count = 0;
batch->tcp_flags = 0;
static inline void
packet_batch_execute(struct packet_batch *batch,
struct dp_netdev_pmd_thread *pmd,
- enum dp_stat_type hit_type)
+ long long now)
{
struct dp_netdev_actions *actions;
struct dp_netdev_flow *flow = batch->flow;
- dp_netdev_flow_used(batch->flow, batch->packet_count, batch->byte_count,
- batch->tcp_flags);
+ dp_netdev_flow_used(flow, batch->packet_count, batch->byte_count,
+ batch->tcp_flags, now);
actions = dp_netdev_flow_get_actions(flow);
dp_netdev_execute_actions(pmd, batch->packets, batch->packet_count, true,
actions->actions, actions->size);
-
- dp_netdev_count_packet(pmd, hit_type, batch->packet_count);
}
-static inline bool
+static inline void
dp_netdev_queue_batches(struct dp_packet *pkt,
struct dp_netdev_flow *flow, const struct miniflow *mf,
- struct packet_batch *batches, size_t *n_batches,
- size_t max_batches)
-{
- struct packet_batch *batch = NULL;
- int j;
-
- if (OVS_UNLIKELY(!flow)) {
- return false;
- }
- /* XXX: This O(n^2) algortihm makes sense if we're operating under the
- * assumption that the number of distinct flows (and therefore the
- * number of distinct batches) is quite small. If this turns out not
- * to be the case, it may make sense to pre sort based on the
- * netdev_flow pointer. That done we can get the appropriate batching
- * in O(n * log(n)) instead. */
- for (j = *n_batches - 1; j >= 0; j--) {
- if (batches[j].flow == flow) {
- batch = &batches[j];
- packet_batch_update(batch, pkt, mf);
- return true;
- }
- }
- if (OVS_UNLIKELY(*n_batches >= max_batches)) {
- return false;
+ struct packet_batch *batches, size_t *n_batches)
+{
+ struct packet_batch *batch = flow->batch;
+
+ if (OVS_LIKELY(batch)) {
+ packet_batch_update(batch, pkt, mf);
+ return;
}
batch = &batches[(*n_batches)++];
packet_batch_init(batch, flow);
packet_batch_update(batch, pkt, mf);
- return true;
}
static inline void
}
/* Try to process all ('cnt') the 'packets' using only the exact match cache
- * 'flow_cache'. If a flow is not found for a packet 'packets[i]', or if there
- * is no matching batch for a packet's flow, the miniflow is copied into 'keys'
- * and the packet pointer is moved at the beginning of the 'packets' array.
+ * 'flow_cache'. If a flow is not found for a packet 'packets[i]', the
+ * miniflow is copied into 'keys' and the packet pointer is moved at the
+ * beginning of the 'packets' array.
*
* The function returns the number of packets that needs to be processed in the
* 'packets' array (they have been moved to the beginning of the vector).
*/
static inline size_t
emc_processing(struct dp_netdev_pmd_thread *pmd, struct dp_packet **packets,
- size_t cnt, struct netdev_flow_key *keys)
+ size_t cnt, struct netdev_flow_key *keys,
+ struct packet_batch batches[], size_t *n_batches)
{
- struct netdev_flow_key key;
- struct packet_batch batches[4];
struct emc_cache *flow_cache = &pmd->flow_cache;
- size_t n_batches, i;
- size_t notfound_cnt = 0;
+ struct netdev_flow_key key;
+ size_t i, notfound_cnt = 0;
- n_batches = 0;
miniflow_initialize(&key.mf, key.buf);
for (i = 0; i < cnt; i++) {
struct dp_netdev_flow *flow;
continue;
}
+ if (i != cnt - 1) {
+ /* Prefetch next packet data */
+ OVS_PREFETCH(dp_packet_data(packets[i+1]));
+ }
+
miniflow_extract(packets[i], &key.mf);
key.len = 0; /* Not computed yet. */
- key.hash = dpif_netdev_packet_get_dp_hash(packets[i], &key.mf);
+ key.hash = dpif_netdev_packet_get_rss_hash(packets[i], &key.mf);
flow = emc_lookup(flow_cache, &key);
- if (OVS_UNLIKELY(!dp_netdev_queue_batches(packets[i], flow, &key.mf,
- batches, &n_batches,
- ARRAY_SIZE(batches)))) {
+ if (OVS_LIKELY(flow)) {
+ dp_netdev_queue_batches(packets[i], flow, &key.mf, batches,
+ n_batches);
+ } else {
if (i != notfound_cnt) {
dp_packet_swap(&packets[i], &packets[notfound_cnt]);
}
}
}
- for (i = 0; i < n_batches; i++) {
- packet_batch_execute(&batches[i], pmd, DP_STAT_EXACT_HIT);
- }
+ dp_netdev_count_packet(pmd, DP_STAT_EXACT_HIT, cnt - notfound_cnt);
return notfound_cnt;
}
static inline void
fast_path_processing(struct dp_netdev_pmd_thread *pmd,
struct dp_packet **packets, size_t cnt,
- struct netdev_flow_key *keys)
+ struct netdev_flow_key *keys,
+ struct packet_batch batches[], size_t *n_batches)
{
#if !defined(__CHECKER__) && !defined(_WIN32)
const size_t PKT_ARRAY_SIZE = cnt;
#else
/* Sparse or MSVC doesn't like variable length array. */
- enum { PKT_ARRAY_SIZE = NETDEV_MAX_RX_BATCH };
+ enum { PKT_ARRAY_SIZE = NETDEV_MAX_BURST };
#endif
- struct packet_batch batches[PKT_ARRAY_SIZE];
struct dpcls_rule *rules[PKT_ARRAY_SIZE];
struct dp_netdev *dp = pmd->dp;
struct emc_cache *flow_cache = &pmd->flow_cache;
- size_t n_batches, i;
+ int miss_cnt = 0, lost_cnt = 0;
bool any_miss;
+ size_t i;
for (i = 0; i < cnt; i++) {
/* Key length is needed in all the cases, hash computed on demand. */
if (OVS_UNLIKELY(any_miss) && !fat_rwlock_tryrdlock(&dp->upcall_rwlock)) {
uint64_t actions_stub[512 / 8], slow_stub[512 / 8];
struct ofpbuf actions, put_actions;
- int miss_cnt = 0, lost_cnt = 0;
ovs_u128 ufid;
ofpbuf_use_stub(&actions, actions_stub, sizeof actions_stub);
ofpbuf_uninit(&actions);
ofpbuf_uninit(&put_actions);
fat_rwlock_unlock(&dp->upcall_rwlock);
- dp_netdev_count_packet(pmd, DP_STAT_MISS, miss_cnt);
dp_netdev_count_packet(pmd, DP_STAT_LOST, lost_cnt);
} else if (OVS_UNLIKELY(any_miss)) {
- int dropped_cnt = 0;
-
for (i = 0; i < cnt; i++) {
if (OVS_UNLIKELY(!rules[i])) {
dp_packet_delete(packets[i]);
- dropped_cnt++;
+ lost_cnt++;
+ miss_cnt++;
}
}
-
- dp_netdev_count_packet(pmd, DP_STAT_MISS, dropped_cnt);
- dp_netdev_count_packet(pmd, DP_STAT_LOST, dropped_cnt);
}
- n_batches = 0;
for (i = 0; i < cnt; i++) {
struct dp_packet *packet = packets[i];
struct dp_netdev_flow *flow;
flow = dp_netdev_flow_cast(rules[i]);
emc_insert(flow_cache, &keys[i], flow);
- dp_netdev_queue_batches(packet, flow, &keys[i].mf, batches,
- &n_batches, ARRAY_SIZE(batches));
+ dp_netdev_queue_batches(packet, flow, &keys[i].mf, batches, n_batches);
}
- for (i = 0; i < n_batches; i++) {
- packet_batch_execute(&batches[i], pmd, DP_STAT_MASKED_HIT);
- }
+ dp_netdev_count_packet(pmd, DP_STAT_MASKED_HIT, cnt - miss_cnt);
+ dp_netdev_count_packet(pmd, DP_STAT_MISS, miss_cnt);
+ dp_netdev_count_packet(pmd, DP_STAT_LOST, lost_cnt);
}
static void
const size_t PKT_ARRAY_SIZE = cnt;
#else
/* Sparse or MSVC doesn't like variable length array. */
- enum { PKT_ARRAY_SIZE = NETDEV_MAX_RX_BATCH };
+ enum { PKT_ARRAY_SIZE = NETDEV_MAX_BURST };
#endif
struct netdev_flow_key keys[PKT_ARRAY_SIZE];
- size_t newcnt;
+ struct packet_batch batches[PKT_ARRAY_SIZE];
+ long long now = time_msec();
+ size_t newcnt, n_batches, i;
- newcnt = emc_processing(pmd, packets, cnt, keys);
+ n_batches = 0;
+ newcnt = emc_processing(pmd, packets, cnt, keys, batches, &n_batches);
if (OVS_UNLIKELY(newcnt)) {
- fast_path_processing(pmd, packets, newcnt, keys);
+ fast_path_processing(pmd, packets, newcnt, keys, batches, &n_batches);
+ }
+
+ for (i = 0; i < n_batches; i++) {
+ batches[i].flow->batch = NULL;
+ }
+
+ for (i = 0; i < n_batches; i++) {
+ packet_batch_execute(&batches[i], pmd, now);
}
}
}
static void
-dp_netdev_drop_packets(struct dp_packet ** packets, int cnt, bool may_steal)
+dp_netdev_drop_packets(struct dp_packet **packets, int cnt, bool may_steal)
{
if (may_steal) {
int i;
}
static void
-dp_netdev_clone_pkt_batch(struct dp_packet **tnl_pkt,
- struct dp_packet **packets, int cnt)
+dp_netdev_clone_pkt_batch(struct dp_packet **dst_pkts,
+ struct dp_packet **src_pkts, int cnt)
{
int i;
for (i = 0; i < cnt; i++) {
- tnl_pkt[i] = dp_packet_clone(packets[i]);
+ dst_pkts[i] = dp_packet_clone(src_pkts[i]);
}
}
{
struct dp_netdev_execute_aux *aux = aux_;
uint32_t *depth = recirc_depth_get();
- struct dp_netdev_pmd_thread *pmd= aux->pmd;
- struct dp_netdev *dp= pmd->dp;
+ struct dp_netdev_pmd_thread *pmd = aux->pmd;
+ struct dp_netdev *dp = pmd->dp;
int type = nl_attr_type(a);
struct dp_netdev_port *p;
int i;
case OVS_ACTION_ATTR_OUTPUT:
p = dp_netdev_lookup_port(dp, u32_to_odp(nl_attr_get_u32(a)));
if (OVS_LIKELY(p)) {
- netdev_send(p->netdev, pmd->core_id, packets, cnt, may_steal);
+ netdev_send(p->netdev, pmd->tx_qid, packets, cnt, may_steal);
return;
}
break;
case OVS_ACTION_ATTR_TUNNEL_PUSH:
if (*depth < MAX_RECIRC_DEPTH) {
- struct dp_packet *tnl_pkt[NETDEV_MAX_RX_BATCH];
+ struct dp_packet *tnl_pkt[NETDEV_MAX_BURST];
int err;
if (!may_steal) {
p = dp_netdev_lookup_port(dp, portno);
if (p) {
- struct dp_packet *tnl_pkt[NETDEV_MAX_RX_BATCH];
+ struct dp_packet *tnl_pkt[NETDEV_MAX_BURST];
int err;
if (!may_steal) {
case OVS_ACTION_ATTR_RECIRC:
if (*depth < MAX_RECIRC_DEPTH) {
+ struct dp_packet *recirc_pkts[NETDEV_MAX_BURST];
- (*depth)++;
- for (i = 0; i < cnt; i++) {
- struct dp_packet *recirc_pkt;
-
- recirc_pkt = (may_steal) ? packets[i]
- : dp_packet_clone(packets[i]);
-
- recirc_pkt->md.recirc_id = nl_attr_get_u32(a);
-
- /* Hash is private to each packet */
- recirc_pkt->md.dp_hash = dp_packet_get_dp_hash(packets[i]);
+ if (!may_steal) {
+ dp_netdev_clone_pkt_batch(recirc_pkts, packets, cnt);
+ packets = recirc_pkts;
+ }
- dp_netdev_input(pmd, &recirc_pkt, 1);
+ for (i = 0; i < cnt; i++) {
+ packets[i]->md.recirc_id = nl_attr_get_u32(a);
}
+
+ (*depth)++;
+ dp_netdev_input(pmd, packets, cnt);
(*depth)--;
return;
dp_register_provider(class);
}
+static void
+dpif_dummy_override(const char *type)
+{
+ if (!dp_unregister_provider(type)) {
+ dpif_dummy_register__(type);
+ }
+}
+
void
-dpif_dummy_register(bool override)
+dpif_dummy_register(enum dummy_level level)
{
- if (override) {
+ if (level == DUMMY_OVERRIDE_ALL) {
struct sset types;
const char *type;
sset_init(&types);
dp_enumerate_types(&types);
SSET_FOR_EACH (type, &types) {
- if (!dp_unregister_provider(type)) {
- dpif_dummy_register__(type);
- }
+ dpif_dummy_override(type);
}
sset_destroy(&types);
+ } else if (level == DUMMY_OVERRIDE_SYSTEM) {
+ dpif_dummy_override("system");
}
dpif_dummy_register__("dummy");
#if !defined(__CHECKER__) && !defined(_WIN32)
const int N_MAPS = DIV_ROUND_UP(cnt, MAP_BITS);
#else
- enum { N_MAPS = DIV_ROUND_UP(NETDEV_MAX_RX_BATCH, MAP_BITS) };
+ enum { N_MAPS = DIV_ROUND_UP(NETDEV_MAX_BURST, MAP_BITS) };
#endif
map_type maps[N_MAPS];
struct dpcls_subtable *subtable;
}
/* Compute hashes for the remaining keys. */
- ULONG_FOR_EACH_1(i, map) {
+ ULLONG_FOR_EACH_1(i, map) {
hashes[i] = netdev_flow_key_hash_in_mask(&mkeys[i],
&subtable->mask);
}
/* Lookup. */
map = cmap_find_batch(&subtable->rules, map, hashes, nodes);
/* Check results. */
- ULONG_FOR_EACH_1(i, map) {
+ ULLONG_FOR_EACH_1(i, map) {
struct dpcls_rule *rule;
CMAP_NODE_FOR_EACH (rule, cmap_node, nodes[i]) {
goto next;
}
}
- ULONG_SET0(map, i); /* Did not match. */
+ ULLONG_SET0(map, i); /* Did not match. */
next:
; /* Keep Sparse happy. */
}
projects / cascardo / ovs.git / blobdiff