/* Link status. */
long long delay_expires; /* Time after which 'enabled' may change. */
- bool up; /* Last link status read from netdev. */
bool enabled; /* May be chosen for flows? */
bool lacp_may_enable; /* LACP considers this interface bondable. */
tag_type tag; /* Tag associated with this slave. */
uint64_t tx_bytes; /* Sum across 'tx_bytes' of entries. */
/* BM_STABLE specific bonding info. */
- uint16_t stb_id; /* ID used for 'stb_slaves' ordering. */
+ uint32_t stb_id; /* ID used for 'stb_slaves' ordering. */
};
/* A bond, that is, a set of network devices grouped to improve performance or
int updelay, downdelay; /* Delay before slave goes up/down, in ms. */
bool lacp_negotiated; /* LACP negotiations were successful. */
bool bond_revalidate; /* True if flows need revalidation. */
+ uint32_t basis; /* Basis for flow hash function. */
/* SLB specific bonding info. */
struct bond_entry *hash; /* An array of (BOND_MASK + 1) elements. */
tag_type stb_tag; /* Tag associated with this bond. */
/* Monitoring. */
- enum bond_detect_mode detect; /* Link status mode, one of BLSM_*. */
struct netdev_monitor *monitor; /* detect == BLSM_CARRIER only. */
- long long int miimon_interval; /* Miimon status refresh interval. */
- long long int miimon_next_update; /* Time of next miimon update. */
/* Legacy compatibility. */
long long int next_fake_iface_update; /* LLONG_MAX if disabled. */
static void bond_entry_reset(struct bond *);
static struct bond_slave *bond_slave_lookup(struct bond *, const void *slave_);
-static bool bond_is_link_up(struct bond *, struct netdev *);
static void bond_enable_slave(struct bond_slave *, bool enable,
struct tag_set *);
static void bond_link_status_update(struct bond_slave *, struct tag_set *);
static void bond_choose_active_slave(struct bond *, struct tag_set *);
static bool bond_is_tcp_hash(const struct bond *);
static unsigned int bond_hash_src(const uint8_t mac[ETH_ADDR_LEN],
- uint16_t vlan);
-static unsigned int bond_hash_tcp(const struct flow *, uint16_t vlan);
+ uint16_t vlan, uint32_t basis);
+static unsigned int bond_hash_tcp(const struct flow *, uint16_t vlan,
+ uint32_t basis);
static struct bond_entry *lookup_bond_entry(const struct bond *,
const struct flow *,
uint16_t vlan);
NOT_REACHED();
}
-/* Attempts to parse 's' as the name of a bond link status detection mode. If
- * successful, stores the mode in '*detect' and returns true. Otherwise
- * returns false without modifying '*detect'. */
-bool
-bond_detect_mode_from_string(enum bond_detect_mode *detect, const char *s)
-{
- if (!strcmp(s, bond_detect_mode_to_string(BLSM_CARRIER))) {
- *detect = BLSM_CARRIER;
- } else if (!strcmp(s, bond_detect_mode_to_string(BLSM_MIIMON))) {
- *detect = BLSM_MIIMON;
- } else {
- return false;
- }
- return true;
-}
-
-/* Returns a string representing 'detect'. */
-const char *
-bond_detect_mode_to_string(enum bond_detect_mode detect)
-{
- switch (detect) {
- case BLSM_CARRIER:
- return "carrier";
- case BLSM_MIIMON:
- return "miimon";
- }
- NOT_REACHED();
-}
\f
/* Creates and returns a new bond whose configuration is initially taken from
* 's'.
hmap_init(&bond->slaves);
bond->no_slaves_tag = tag_create_random();
bond->stb_tag = tag_create_random();
- bond->miimon_next_update = LLONG_MAX;
bond->next_fake_iface_update = LLONG_MAX;
+ bond->monitor = netdev_monitor_create();
bond_reconfigure(bond, s);
hmap_insert(&all_bonds, &bond->hmap_node, hash_string(bond->name, 0));
}
- bond->detect = s->detect;
- bond->miimon_interval = s->miimon_interval;
bond->updelay = s->up_delay;
bond->downdelay = s->down_delay;
bond->rebalance_interval = s->rebalance_interval;
revalidate = true;
}
- if (bond->detect == BLSM_CARRIER) {
- struct bond_slave *slave;
-
- if (!bond->monitor) {
- bond->monitor = netdev_monitor_create();
- }
-
- HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
- netdev_monitor_add(bond->monitor, slave->netdev);
- }
- } else {
- netdev_monitor_destroy(bond->monitor);
- bond->monitor = NULL;
-
- if (bond->miimon_next_update == LLONG_MAX) {
- bond->miimon_next_update = time_msec() + bond->miimon_interval;
- }
+ if (bond->basis != s->basis) {
+ bond->basis = s->basis;
+ revalidate = true;
}
if (s->fake_iface) {
struct netdev *netdev)
{
if (slave->netdev != netdev) {
- if (bond->monitor) {
- if (slave->netdev) {
- netdev_monitor_remove(bond->monitor, slave->netdev);
- }
- netdev_monitor_add(bond->monitor, netdev);
+ if (slave->netdev) {
+ netdev_monitor_remove(bond->monitor, slave->netdev);
}
+ netdev_monitor_add(bond->monitor, netdev);
slave->netdev = netdev;
}
}
* 'slave_' or destroying 'bond'.
*/
void
-bond_slave_register(struct bond *bond, void *slave_, uint16_t stb_id,
+bond_slave_register(struct bond *bond, void *slave_, uint32_t stb_id,
struct netdev *netdev)
{
struct bond_slave *slave = bond_slave_lookup(bond, slave_);
slave->bond = bond;
slave->aux = slave_;
slave->delay_expires = LLONG_MAX;
- slave->up = bond_is_link_up(bond, netdev);
slave->name = xstrdup(netdev_get_name(netdev));
bond->bond_revalidate = true;
slave->enabled = false;
- bond_enable_slave(slave, slave->up, NULL);
+ bond_enable_slave(slave, netdev_get_carrier(netdev), NULL);
}
if (slave->stb_id != stb_id) {
return;
}
- if (bond->monitor) {
- netdev_monitor_remove(bond->monitor, slave->netdev);
- }
-
+ netdev_monitor_remove(bond->monitor, slave->netdev);
bond_enable_slave(slave, false, NULL);
del_active = bond->active_slave == slave;
bond->lacp_negotiated = lacp_negotiated;
- /* Update link status. */
- if (bond->detect == BLSM_CARRIER
- || time_msec() >= bond->miimon_next_update)
- {
- HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
- slave->up = bond_is_link_up(bond, slave->netdev);
- }
- bond->miimon_next_update = time_msec() + bond->miimon_interval;
+ if (bond->monitor) {
+ netdev_monitor_flush(bond->monitor);
}
/* Enable slaves based on link status and LACP feedback. */
{
struct bond_slave *slave;
- if (bond->detect == BLSM_CARRIER) {
- netdev_monitor_poll_wait(bond->monitor);
- } else {
- poll_timer_wait_until(bond->miimon_next_update);
- }
+ netdev_monitor_poll_wait(bond->monitor);
HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
if (slave->delay_expires != LLONG_MAX) {
bond_is_tcp_hash(bond) ? "balance-tcp" : "balance-slb");
}
- ds_put_format(&ds, "bond-detect-mode: %s\n",
- bond->monitor ? "carrier" : "miimon");
-
- if (!bond->monitor) {
- ds_put_format(&ds, "bond-miimon-interval: %lld\n",
- bond->miimon_interval);
- }
+ ds_put_format(&ds, "bond-hash-basis: %"PRIu32"\n", bond->basis);
ds_put_format(&ds, "updelay: %d ms\n", bond->updelay);
ds_put_format(&ds, "downdelay: %d ms\n", bond->downdelay);
HMAP_FOR_EACH (slave, hmap_node, &bond->slaves) {
struct bond_entry *be;
- struct flow flow;
/* Basic info. */
ds_put_format(&ds, "\nslave %s: %s\n",
}
/* Hashes. */
- memset(&flow, 0, sizeof flow);
for (be = bond->hash; be <= &bond->hash[BOND_MASK]; be++) {
int hash = be - bond->hash;
uint8_t hash;
char *hash_cstr;
unsigned int vlan;
- char *mac_s, *vlan_s;
+ uint32_t basis;
+ char *mac_s, *vlan_s, *basis_s;
char *save_ptr = NULL;
mac_s = strtok_r(args, " ", &save_ptr);
vlan_s = strtok_r(NULL, " ", &save_ptr);
+ basis_s = strtok_r(NULL, " ", &save_ptr);
if (vlan_s) {
if (sscanf(vlan_s, "%u", &vlan) != 1) {
vlan = OFP_VLAN_NONE;
}
+ if (basis_s) {
+ if (sscanf(basis_s, "%"PRIu32, &basis) != 1) {
+ unixctl_command_reply(conn, 501, "invalid basis");
+ return;
+ }
+ } else {
+ basis = 0;
+ }
+
if (sscanf(mac_s, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
== ETH_ADDR_SCAN_COUNT) {
- hash = bond_hash_src(mac, vlan) & BOND_MASK;
+ hash = bond_hash_src(mac, vlan, basis) & BOND_MASK;
hash_cstr = xasprintf("%u", hash);
unixctl_command_reply(conn, 200, hash_cstr);
return NULL;
}
-static bool
-bond_is_link_up(struct bond *bond, struct netdev *netdev)
-{
- return (bond->detect == BLSM_CARRIER
- ? netdev_get_carrier(netdev)
- : netdev_get_miimon(netdev));
-}
-
static void
bond_enable_slave(struct bond_slave *slave, bool enable, struct tag_set *tags)
{
struct bond *bond = slave->bond;
bool up;
- up = slave->up && slave->lacp_may_enable;
+ up = netdev_get_carrier(slave->netdev) && slave->lacp_may_enable;
if ((up == slave->enabled) != (slave->delay_expires == LLONG_MAX)) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
VLOG_INFO_RL(&rl, "interface %s: link state %s",
}
static unsigned int
-bond_hash_src(const uint8_t mac[ETH_ADDR_LEN], uint16_t vlan)
+bond_hash_src(const uint8_t mac[ETH_ADDR_LEN], uint16_t vlan, uint32_t basis)
{
- return hash_bytes(mac, ETH_ADDR_LEN, vlan);
+ return hash_3words(hash_bytes(mac, ETH_ADDR_LEN, 0), vlan, basis);
}
static unsigned int
-bond_hash_tcp(const struct flow *flow, uint16_t vlan)
+bond_hash_tcp(const struct flow *flow, uint16_t vlan, uint32_t basis)
{
struct flow hash_flow = *flow;
- hash_flow.vlan_tci = vlan;
+ hash_flow.vlan_tci = htons(vlan);
/* The symmetric quality of this hash function is not required, but
* flow_hash_symmetric_l4 already exists, and is sufficient for our
* purposes, so we use it out of convenience. */
- return flow_hash_symmetric_l4(&hash_flow, 0);
+ return flow_hash_symmetric_l4(&hash_flow, basis);
}
static unsigned int
assert(bond->balance != BM_AB);
return (bond_is_tcp_hash(bond)
- ? bond_hash_tcp(flow, vlan)
- : bond_hash_src(flow->dl_src, vlan));
+ ? bond_hash_tcp(flow, vlan, bond->basis)
+ : bond_hash_src(flow->dl_src, vlan, bond->basis));
}
static struct bond_entry *