struct match match;
ofp_port_t out_ofport;
enum bond_op op;
- struct rule *pr_rule;
+ struct rule **pr_rule;
};
static void bond_entry_reset(struct bond *) OVS_REQ_WRLOCK(rwlock);
static void
add_pr_rule(struct bond *bond, const struct match *match,
- ofp_port_t out_ofport, struct rule *rule)
+ ofp_port_t out_ofport, struct rule **rule)
{
uint32_t hash = match_hash(match, 0);
struct bond_pr_rule_op *pr_op;
pr_op->op = DEL;
}
- if ((bond->hash == NULL) || (!bond->recirc_id)) {
- return;
- }
-
- for (i = 0; i < BOND_BUCKETS; i++) {
- struct bond_slave *slave = bond->hash[i].slave;
+ if (bond->hash && bond->recirc_id) {
+ for (i = 0; i < BOND_BUCKETS; i++) {
+ struct bond_slave *slave = bond->hash[i].slave;
- if (slave) {
- match_init_catchall(&match);
- match_set_recirc_id(&match, bond->recirc_id);
- /* recirc_id -> metadata to speed up look ups. */
- match_set_metadata(&match, htonll(bond->recirc_id));
- match_set_dp_hash_masked(&match, i, BOND_MASK);
+ if (slave) {
+ match_init_catchall(&match);
+ match_set_recirc_id(&match, bond->recirc_id);
+ match_set_dp_hash_masked(&match, i, BOND_MASK);
- add_pr_rule(bond, &match, slave->ofp_port,
- bond->hash[i].pr_rule);
+ add_pr_rule(bond, &match, slave->ofp_port,
+ &bond->hash[i].pr_rule);
+ }
}
}
HMAP_FOR_EACH_SAFE(pr_op, next_op, hmap_node, &bond->pr_rule_ops) {
int error;
- struct rule *rule;
switch (pr_op->op) {
case ADD:
ofpbuf_clear(&ofpacts);
error = ofproto_dpif_add_internal_flow(bond->ofproto,
&pr_op->match,
RECIRC_RULE_PRIORITY,
- &ofpacts, &rule);
+ &ofpacts, pr_op->pr_rule);
if (error) {
char *err_s = match_to_string(&pr_op->match,
RECIRC_RULE_PRIORITY);
VLOG_ERR("failed to add post recirculation flow %s", err_s);
free(err_s);
- pr_op->pr_rule = NULL;
- } else {
- pr_op->pr_rule = rule;
}
break;
}
hmap_remove(&bond->pr_rule_ops, &pr_op->hmap_node);
- pr_op->pr_rule = NULL;
+ *pr_op->pr_rule = NULL;
free(pr_op);
break;
}
}
/* Maintain bond stats using post recirculation rule byte counters.*/
-void
+static void
bond_recirculation_account(struct bond *bond)
{
int i;
bond_may_recirc(const struct bond *bond, uint32_t *recirc_id,
uint32_t *hash_bias)
{
- if (bond->balance == BM_TCP) {
+ if (bond->balance == BM_TCP && recirc_id) {
if (recirc_id) {
*recirc_id = bond->recirc_id;
}
* The caller should have called bond_account() for each active flow, or in case
* of recirculation is used, have called bond_recirculation_account(bond),
* to ensure that flow data is consistently accounted at this point.
- *
- * Return whether rebalancing took place.*/
-bool
+ */
+void
bond_rebalance(struct bond *bond)
{
struct bond_slave *slave;
struct bond_entry *e;
struct list bals;
bool rebalanced = false;
+ bool use_recirc;
ovs_rwlock_wrlock(&rwlock);
if (!bond_is_balanced(bond) || time_msec() < bond->next_rebalance) {
}
bond->next_rebalance = time_msec() + bond->rebalance_interval;
+ use_recirc = ofproto_dpif_get_enable_recirc(bond->ofproto) &&
+ bond_may_recirc(bond, NULL, NULL);
+
+ if (use_recirc) {
+ bond_recirculation_account(bond);
+ }
+
/* Add each bond_entry to its slave's 'entries' list.
* Compute each slave's tx_bytes as the sum of its entries' tx_bytes. */
HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
/* Re-sort 'bals'. */
reinsert_bal(&bals, from);
reinsert_bal(&bals, to);
- rebalanced = true;
+ rebalanced = true;
} else {
/* Can't usefully migrate anything away from 'from'.
* Don't reconsider it. */
* take 20 rebalancing runs to decay to 0 and get deleted entirely. */
for (e = &bond->hash[0]; e <= &bond->hash[BOND_MASK]; e++) {
e->tx_bytes /= 2;
- if (!e->tx_bytes) {
- e->slave = NULL;
- }
}
done:
+ if (use_recirc && rebalanced) {
+ bond_update_post_recirc_rules(bond,true);
+ }
ovs_rwlock_unlock(&rwlock);
- return rebalanced;
}
\f
/* Bonding unixctl user interface functions. */