#include "fat-rwlock.h"
#include "flow.h"
#include "cmap.h"
+#include "coverage.h"
#include "latch.h"
#include "list.h"
#include "match.h"
#include "sset.h"
#include "timeval.h"
#include "tnl-arp-cache.h"
+#include "tnl-ports.h"
#include "unixctl.h"
#include "util.h"
#include "openvswitch/vlog.h"
upcall_callback *upcall_cb; /* Callback function for executing upcalls. */
void *upcall_aux;
+ /* Callback function for notifying the purging of dp flows (during
+ * reseting pmd deletion). */
+ dp_purge_callback *dp_purge_cb;
+ void *dp_purge_aux;
+
/* Stores all 'struct dp_netdev_pmd_thread's. */
struct cmap poll_threads;
{
int i;
- BUILD_ASSERT(sizeof(struct miniflow) == 2 * sizeof(uint64_t));
-
flow_cache->sweep_idx = 0;
for (i = 0; i < ARRAY_SIZE(flow_cache->entries); i++) {
flow_cache->entries[i].flow = NULL;
flow_cache->entries[i].key.hash = 0;
flow_cache->entries[i].key.len = sizeof(struct miniflow);
- flow_cache->entries[i].key.mf.tnl_map = 0;
- flow_cache->entries[i].key.mf.pkt_map = 0;
+ flowmap_init(&flow_cache->entries[i].key.mf.map);
}
}
* miniflow_extract(), if the map is different the miniflow is different.
* Therefore we can be faster by comparing the map and the miniflow in a
* single memcmp().
- * - These functions can be inlined by the compiler.
- *
- * The following assertions make sure that what we're doing with miniflow is
- * safe.
- */
-BUILD_ASSERT_DECL(sizeof(struct miniflow) == 2 * sizeof(uint64_t));
+ * - These functions can be inlined by the compiler. */
/* Given the number of bits set in miniflow's maps, returns the size of the
* 'netdev_flow_key.mf' */
netdev_flow_mask_init(struct netdev_flow_key *mask,
const struct match *match)
{
- const uint64_t *mask_u64 = (const uint64_t *) &match->wc.masks;
uint64_t *dst = miniflow_values(&mask->mf);
- struct miniflow maps;
- uint64_t map;
+ struct flowmap fmap;
uint32_t hash = 0;
- int n;
+ size_t idx;
/* Only check masks that make sense for the flow. */
- flow_wc_map(&match->flow, &maps);
- memset(&mask->mf, 0, sizeof mask->mf); /* Clear maps. */
+ flow_wc_map(&match->flow, &fmap);
+ flowmap_init(&mask->mf.map);
- map = maps.tnl_map;
- while (map) {
- uint64_t rm1bit = rightmost_1bit(map);
- int i = raw_ctz(map);
+ FLOWMAP_FOR_EACH_INDEX(idx, fmap) {
+ uint64_t mask_u64 = flow_u64_value(&match->wc.masks, idx);
- if (mask_u64[i]) {
- mask->mf.tnl_map |= rm1bit;
- *dst++ = mask_u64[i];
- hash = hash_add64(hash, mask_u64[i]);
+ if (mask_u64) {
+ flowmap_set(&mask->mf.map, idx, 1);
+ *dst++ = mask_u64;
+ hash = hash_add64(hash, mask_u64);
}
- map -= rm1bit;
}
- mask_u64 += FLOW_TNL_U64S;
- map = maps.pkt_map;
- while (map) {
- uint64_t rm1bit = rightmost_1bit(map);
- int i = raw_ctz(map);
- if (mask_u64[i]) {
- mask->mf.pkt_map |= rm1bit;
- *dst++ = mask_u64[i];
- hash = hash_add64(hash, mask_u64[i]);
- }
- map -= rm1bit;
- }
+ map_t map;
- hash = hash_add64(hash, mask->mf.tnl_map);
- hash = hash_add64(hash, mask->mf.pkt_map);
+ FLOWMAP_FOR_EACH_MAP (map, mask->mf.map) {
+ hash = hash_add64(hash, map);
+ }
- n = dst - miniflow_get_values(&mask->mf);
+ size_t n = dst - miniflow_get_values(&mask->mf);
mask->hash = hash_finish(hash, n * 8);
mask->len = netdev_flow_key_size(n);
dst->len = mask->len;
dst->mf = mask->mf; /* Copy maps. */
- FLOW_FOR_EACH_IN_MAPS(value, flow, mask->mf) {
+ FLOW_FOR_EACH_IN_MAPS(value, flow, mask->mf.map) {
*dst_u64 = value & *mask_u64++;
hash = hash_add64(hash, *dst_u64++);
}
(dst_u64 - miniflow_get_values(&dst->mf)) * 8);
}
-/* Iterate through netdev_flow_key TNL u64 values specified by 'MAPS'. */
-#define NETDEV_FLOW_KEY_FOR_EACH_IN_TNL_MAP(VALUE, KEY, MAPS) \
- MINIFLOW_FOR_EACH_IN_TNL_MAP(VALUE, &(KEY)->mf, MAPS)
-
-/* Iterate through netdev_flow_key PKT u64 values specified by 'MAPS'. */
-#define NETDEV_FLOW_KEY_FOR_EACH_IN_PKT_MAP(VALUE, KEY, MAPS) \
- MINIFLOW_FOR_EACH_IN_PKT_MAP(VALUE, &(KEY)->mf, MAPS)
+/* Iterate through netdev_flow_key TNL u64 values specified by 'FLOWMAP'. */
+#define NETDEV_FLOW_KEY_FOR_EACH_IN_FLOWMAP(VALUE, KEY, FLOWMAP) \
+ MINIFLOW_FOR_EACH_IN_FLOWMAP(VALUE, &(KEY)->mf, FLOWMAP)
/* Returns a hash value for the bits of 'key' where there are 1-bits in
* 'mask'. */
{
const uint64_t *p = miniflow_get_values(&mask->mf);
uint32_t hash = 0;
- uint64_t key_u64;
+ uint64_t value;
- NETDEV_FLOW_KEY_FOR_EACH_IN_TNL_MAP(key_u64, key, mask->mf) {
- hash = hash_add64(hash, key_u64 & *p++);
- }
- NETDEV_FLOW_KEY_FOR_EACH_IN_PKT_MAP(key_u64, key, mask->mf) {
- hash = hash_add64(hash, key_u64 & *p++);
+ NETDEV_FLOW_KEY_FOR_EACH_IN_FLOWMAP(value, key, mask->mf.map) {
+ hash = hash_add64(hash, value & *p++);
}
return hash_finish(hash, (p - miniflow_get_values(&mask->mf)) * 8);
return EINVAL;
}
+ /* Userspace datapath doesn't support conntrack. */
+ if (flow->ct_state || flow->ct_zone) {
+ return EINVAL;
+ }
+
return 0;
}
netdev_flow_mask_init(&mask, match);
/* Make sure wc does not have metadata. */
- ovs_assert(!(mask.mf.pkt_map
- & (MINIFLOW_PKT_MAP(metadata) | MINIFLOW_PKT_MAP(regs))));
+ ovs_assert(!FLOWMAP_HAS_FIELD(&mask.mf.map, metadata)
+ && !FLOWMAP_HAS_FIELD(&mask.mf.map, regs));
/* Do not allocate extra space. */
flow = xmalloc(sizeof *flow - sizeof flow->cr.flow.mf + mask.len);
dp_netdev_pmd_unref(non_pmd);
tnl_arp_cache_run();
+ tnl_port_map_run();
new_tnl_seq = seq_read(tnl_conf_seq);
if (dp->last_tnl_conf_seq != new_tnl_seq) {
lc = 0;
emc_cache_slow_sweep(&pmd->flow_cache);
+ coverage_try_clear();
ovsrcu_quiesce();
atomic_read_relaxed(&pmd->change_seq, &seq);
/* Stops the pmd thread, removes it from the 'dp->poll_threads',
* and unrefs the struct. */
static void
-dp_netdev_del_pmd(struct dp_netdev_pmd_thread *pmd)
+dp_netdev_del_pmd(struct dp_netdev *dp, struct dp_netdev_pmd_thread *pmd)
{
/* Uninit the 'flow_cache' since there is
* no actual thread uninit it for NON_PMD_CORE_ID. */
ovs_numa_unpin_core(pmd->core_id);
xpthread_join(pmd->thread, NULL);
}
+ /* Purges the 'pmd''s flows after stopping the thread, but before
+ * destroying the flows, so that the flow stats can be collected. */
+ if (dp->dp_purge_cb) {
+ dp->dp_purge_cb(dp->dp_purge_aux, pmd->core_id);
+ }
cmap_remove(&pmd->dp->poll_threads, &pmd->node, hash_int(pmd->core_id, 0));
dp_netdev_pmd_unref(pmd);
}
struct dp_netdev_pmd_thread *pmd;
CMAP_FOR_EACH (pmd, node, &dp->poll_threads) {
- dp_netdev_del_pmd(pmd);
+ dp_netdev_del_pmd(dp, pmd);
}
}
CMAP_FOR_EACH (pmd, node, &dp->poll_threads) {
if (pmd->numa_id == numa_id) {
- dp_netdev_del_pmd(pmd);
+ dp_netdev_del_pmd(dp, pmd);
}
}
}
{
uint32_t hash, recirc_depth;
- hash = dp_packet_get_rss_hash(packet);
- if (OVS_UNLIKELY(!hash)) {
+ if (OVS_LIKELY(dp_packet_rss_valid(packet))) {
+ hash = dp_packet_get_rss_hash(packet);
+ } else {
hash = miniflow_hash_5tuple(mf, 0);
dp_packet_set_rss_hash(packet, hash);
}
continue;
}
+ /* The Netlink encoding of datapath flow keys cannot express
+ * wildcarding the presence of a VLAN tag. Instead, a missing VLAN
+ * tag is interpreted as exact match on the fact that there is no
+ * VLAN. Unless we refactor a lot of code that translates between
+ * Netlink and struct flow representations, we have to do the same
+ * here. */
+ if (!match.wc.masks.vlan_tci) {
+ match.wc.masks.vlan_tci = htons(0xffff);
+ }
+
/* We can't allow the packet batching in the next loop to execute
* the actions. Otherwise, if there are any slow path actions,
* we'll send the packet up twice. */
struct dp_netdev_pmd_thread *pmd;
};
+static void
+dpif_netdev_register_dp_purge_cb(struct dpif *dpif, dp_purge_callback *cb,
+ void *aux)
+{
+ struct dp_netdev *dp = get_dp_netdev(dpif);
+ dp->dp_purge_aux = aux;
+ dp->dp_purge_cb = cb;
+}
+
static void
dpif_netdev_register_upcall_cb(struct dpif *dpif, upcall_callback *cb,
void *aux)
VLOG_WARN("Packet dropped. Max recirculation depth exceeded.");
break;
+ case OVS_ACTION_ATTR_CT:
+ /* If a flow with this action is slow-pathed, datapath assistance is
+ * required to implement it. However, we don't support this action
+ * in the userspace datapath. */
+ VLOG_WARN("Cannot execute conntrack action in userspace.");
+ break;
+
case OVS_ACTION_ATTR_PUSH_VLAN:
case OVS_ACTION_ATTR_POP_VLAN:
case OVS_ACTION_ATTR_PUSH_MPLS:
NULL, /* recv */
NULL, /* recv_wait */
NULL, /* recv_purge */
+ dpif_netdev_register_dp_purge_cb,
dpif_netdev_register_upcall_cb,
dpif_netdev_enable_upcall,
dpif_netdev_disable_upcall,
{
const uint64_t *keyp = miniflow_get_values(&rule->flow.mf);
const uint64_t *maskp = miniflow_get_values(&rule->mask->mf);
- uint64_t target_u64;
+ uint64_t value;
- NETDEV_FLOW_KEY_FOR_EACH_IN_TNL_MAP(target_u64, target, rule->flow.mf) {
- if (OVS_UNLIKELY((target_u64 & *maskp++) != *keyp++)) {
- return false;
- }
- }
- NETDEV_FLOW_KEY_FOR_EACH_IN_PKT_MAP(target_u64, target, rule->flow.mf) {
- if (OVS_UNLIKELY((target_u64 & *maskp++) != *keyp++)) {
+ NETDEV_FLOW_KEY_FOR_EACH_IN_FLOWMAP(value, target, rule->flow.mf.map) {
+ if (OVS_UNLIKELY((value & *maskp++) != *keyp++)) {
return false;
}
}
projects / cascardo / ovs.git / blobdiff