-/* Copyright (c) 2011 Nicira Networks
+/* Copyright (c) 2011, 2012, 2013, 2014 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <config.h>
#include "lacp.h"
-#include <assert.h>
#include <stdlib.h>
+#include "connectivity.h"
#include "dynamic-string.h"
#include "hash.h"
#include "hmap.h"
#include "ofpbuf.h"
#include "packets.h"
#include "poll-loop.h"
+#include "seq.h"
+#include "shash.h"
#include "timer.h"
#include "timeval.h"
#include "unixctl.h"
VLOG_DEFINE_THIS_MODULE(lacp);
+/* Masks for lacp_info state member. */
+#define LACP_STATE_ACT 0x01 /* Activity. Active or passive? */
+#define LACP_STATE_TIME 0x02 /* Timeout. Short or long timeout? */
+#define LACP_STATE_AGG 0x04 /* Aggregation. Is the link is bondable? */
+#define LACP_STATE_SYNC 0x08 /* Synchronization. Is the link in up to date? */
+#define LACP_STATE_COL 0x10 /* Collecting. Is the link receiving frames? */
+#define LACP_STATE_DIST 0x20 /* Distributing. Is the link sending frames? */
+#define LACP_STATE_DEF 0x40 /* Defaulted. Using default partner info? */
+#define LACP_STATE_EXP 0x80 /* Expired. Using expired partner info? */
+
+#define LACP_FAST_TIME_TX 1000 /* Fast transmission rate. */
+#define LACP_SLOW_TIME_TX 30000 /* Slow transmission rate. */
+#define LACP_RX_MULTIPLIER 3 /* Multiply by TX rate to get RX rate. */
+
+#define LACP_INFO_LEN 15
+OVS_PACKED(
+struct lacp_info {
+ ovs_be16 sys_priority; /* System priority. */
+ uint8_t sys_id[ETH_ADDR_LEN]; /* System ID. */
+ ovs_be16 key; /* Operational key. */
+ ovs_be16 port_priority; /* Port priority. */
+ ovs_be16 port_id; /* Port ID. */
+ uint8_t state; /* State mask. See LACP_STATE macros. */
+});
+BUILD_ASSERT_DECL(LACP_INFO_LEN == sizeof(struct lacp_info));
+
+#define LACP_PDU_LEN 110
+OVS_PACKED(
+struct lacp_pdu {
+ uint8_t subtype; /* Always 1. */
+ uint8_t version; /* Always 1. */
+
+ uint8_t actor_type; /* Always 1. */
+ uint8_t actor_len; /* Always 20. */
+ struct lacp_info actor; /* LACP actor information. */
+ uint8_t z1[3]; /* Reserved. Always 0. */
+
+ uint8_t partner_type; /* Always 2. */
+ uint8_t partner_len; /* Always 20. */
+ struct lacp_info partner; /* LACP partner information. */
+ uint8_t z2[3]; /* Reserved. Always 0. */
+
+ uint8_t collector_type; /* Always 3. */
+ uint8_t collector_len; /* Always 16. */
+ ovs_be16 collector_delay; /* Maximum collector delay. Set to UINT16_MAX. */
+ uint8_t z3[64]; /* Combination of several fields. Always 0. */
+});
+BUILD_ASSERT_DECL(LACP_PDU_LEN == sizeof(struct lacp_pdu));
+\f
+/* Implementation. */
+
enum slave_status {
LACP_CURRENT, /* Current State. Partner up to date. */
LACP_EXPIRED, /* Expired State. Partner out of date. */
struct hmap slaves; /* Slaves this LACP object controls. */
struct slave *key_slave; /* Slave whose ID will be the aggregation key. */
- enum lacp_time lacp_time; /* Fast, Slow or Custom LACP time. */
- long long int custom_time; /* LACP_TIME_CUSTOM transmission rate. */
- bool strict; /* True if in strict mode. */
+ bool fast; /* True if using fast probe interval. */
bool negotiated; /* True if LACP negotiations were successful. */
bool update; /* True if lacp_update() needs to be called. */
- bool force_agg; /* Forces LACP_STATE_AGG bit on all slaves. */
+ bool fallback_ab; /* True if fallback to active-backup on LACP failure. */
+
+ struct ovs_refcount ref_cnt;
};
struct slave {
struct lacp *lacp; /* LACP object containing this slave. */
uint16_t port_id; /* Port ID. */
uint16_t port_priority; /* Port Priority. */
+ uint16_t key; /* Aggregation Key. 0 if default. */
char *name; /* Name of this slave. */
enum slave_status status; /* Slave status. */
struct timer rx; /* Expected message receive timer. */
};
-static struct list all_lacps = LIST_INITIALIZER(&all_lacps);
+static struct ovs_mutex mutex;
+static struct list all_lacps__ = LIST_INITIALIZER(&all_lacps__);
+static struct list *const all_lacps OVS_GUARDED_BY(mutex) = &all_lacps__;
-static void lacp_update_attached(struct lacp *);
+static void lacp_update_attached(struct lacp *) OVS_REQUIRES(mutex);
-static void slave_destroy(struct slave *);
-static void slave_set_defaulted(struct slave *);
-static void slave_set_expired(struct slave *);
-static void slave_get_actor(struct slave *, struct lacp_info *actor);
-static void slave_get_priority(struct slave *, struct lacp_info *priority);
-static bool slave_may_tx(const struct slave *);
-static struct slave *slave_lookup(const struct lacp *, const void *slave);
-static bool info_tx_equal(struct lacp_info *, struct lacp_info *);
+static void slave_destroy(struct slave *) OVS_REQUIRES(mutex);
+static void slave_set_defaulted(struct slave *) OVS_REQUIRES(mutex);
+static void slave_set_expired(struct slave *) OVS_REQUIRES(mutex);
+static void slave_get_actor(struct slave *, struct lacp_info *actor)
+ OVS_REQUIRES(mutex);
+static void slave_get_priority(struct slave *, struct lacp_info *priority)
+ OVS_REQUIRES(mutex);
+static bool slave_may_tx(const struct slave *)
+ OVS_REQUIRES(mutex);
+static struct slave *slave_lookup(const struct lacp *, const void *slave)
+ OVS_REQUIRES(mutex);
+static bool info_tx_equal(struct lacp_info *, struct lacp_info *)
+ OVS_REQUIRES(mutex);
-static void lacp_unixctl_show(struct unixctl_conn *, const char *args,
- void *aux);
+static unixctl_cb_func lacp_unixctl_show;
/* Populates 'pdu' with a LACP PDU comprised of 'actor' and 'partner'. */
-void
+static void
compose_lacp_pdu(const struct lacp_info *actor,
const struct lacp_info *partner, struct lacp_pdu *pdu)
{
* returns NULL if 'b' is malformed, or does not represent a LACP PDU format
* supported by OVS. Otherwise, it returns a pointer to the lacp_pdu contained
* within 'b'. */
-const struct lacp_pdu *
+static const struct lacp_pdu *
parse_lacp_packet(const struct ofpbuf *b)
{
const struct lacp_pdu *pdu;
- pdu = ofpbuf_at(b, (uint8_t *)b->l3 - (uint8_t *)b->data, LACP_PDU_LEN);
+ pdu = ofpbuf_at(b, (uint8_t *)ofpbuf_l3(b) - (uint8_t *)ofpbuf_data(b),
+ LACP_PDU_LEN);
if (pdu && pdu->subtype == 1
&& pdu->actor_type == 1 && pdu->actor_len == 20
void
lacp_init(void)
{
- unixctl_command_register("lacp/show", lacp_unixctl_show, NULL);
+ unixctl_command_register("lacp/show", "[port]", 0, 1,
+ lacp_unixctl_show, NULL);
}
/* Creates a LACP object. */
struct lacp *
-lacp_create(void)
+lacp_create(void) OVS_EXCLUDED(mutex)
{
+ static struct ovsthread_once once = OVSTHREAD_ONCE_INITIALIZER;
struct lacp *lacp;
+ if (ovsthread_once_start(&once)) {
+ ovs_mutex_init_recursive(&mutex);
+ ovsthread_once_done(&once);
+ }
+
lacp = xzalloc(sizeof *lacp);
hmap_init(&lacp->slaves);
- list_push_back(&all_lacps, &lacp->node);
+ ovs_refcount_init(&lacp->ref_cnt);
+
+ ovs_mutex_lock(&mutex);
+ list_push_back(all_lacps, &lacp->node);
+ ovs_mutex_unlock(&mutex);
+ return lacp;
+}
+
+struct lacp *
+lacp_ref(const struct lacp *lacp_)
+{
+ struct lacp *lacp = CONST_CAST(struct lacp *, lacp_);
+ if (lacp) {
+ ovs_refcount_ref(&lacp->ref_cnt);
+ }
return lacp;
}
/* Destroys 'lacp' and its slaves. Does nothing if 'lacp' is NULL. */
void
-lacp_destroy(struct lacp *lacp)
+lacp_unref(struct lacp *lacp) OVS_EXCLUDED(mutex)
{
- if (lacp) {
+ if (lacp && ovs_refcount_unref(&lacp->ref_cnt) == 1) {
struct slave *slave, *next;
+ ovs_mutex_lock(&mutex);
HMAP_FOR_EACH_SAFE (slave, next, node, &lacp->slaves) {
slave_destroy(slave);
}
list_remove(&lacp->node);
free(lacp->name);
free(lacp);
+ ovs_mutex_unlock(&mutex);
}
}
/* Configures 'lacp' with settings from 's'. */
void
lacp_configure(struct lacp *lacp, const struct lacp_settings *s)
+ OVS_EXCLUDED(mutex)
{
+ ovs_assert(!eth_addr_is_zero(s->id));
+
+ ovs_mutex_lock(&mutex);
if (!lacp->name || strcmp(s->name, lacp->name)) {
free(lacp->name);
lacp->name = xstrdup(s->name);
}
if (!eth_addr_equals(lacp->sys_id, s->id)
- || lacp->sys_priority != s->priority
- || lacp->strict != s->strict) {
+ || lacp->sys_priority != s->priority) {
memcpy(lacp->sys_id, s->id, ETH_ADDR_LEN);
lacp->sys_priority = s->priority;
- lacp->strict = s->strict;
lacp->update = true;
}
lacp->active = s->active;
- lacp->lacp_time = s->lacp_time;
- lacp->force_agg = s->force_agg;
- lacp->custom_time = MAX(TIME_UPDATE_INTERVAL, s->custom_time);
+ lacp->fast = s->fast;
+
+ if (lacp->fallback_ab != s->fallback_ab_cfg) {
+ lacp->fallback_ab = s->fallback_ab_cfg;
+ lacp->update = true;
+ }
+
+ ovs_mutex_unlock(&mutex);
}
/* Returns true if 'lacp' is configured in active mode, false if 'lacp' is
* configured for passive mode. */
bool
-lacp_is_active(const struct lacp *lacp)
+lacp_is_active(const struct lacp *lacp) OVS_EXCLUDED(mutex)
{
- return lacp->active;
+ bool ret;
+ ovs_mutex_lock(&mutex);
+ ret = lacp->active;
+ ovs_mutex_unlock(&mutex);
+ return ret;
}
-/* Processes 'pdu', a parsed LACP packet received on 'slave_'. This function
- * should be called on all packets received on 'slave_' with Ethernet Type
- * ETH_TYPE_LACP and parsable by parse_lacp_packet(). */
+/* Processes 'packet' which was received on 'slave_'. This function should be
+ * called on all packets received on 'slave_' with Ethernet Type ETH_TYPE_LACP.
+ */
void
-lacp_process_pdu(struct lacp *lacp, const void *slave_,
- const struct lacp_pdu *pdu)
+lacp_process_packet(struct lacp *lacp, const void *slave_,
+ const struct ofpbuf *packet)
+ OVS_EXCLUDED(mutex)
{
- struct slave *slave = slave_lookup(lacp, slave_);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ const struct lacp_pdu *pdu;
long long int tx_rate;
+ struct slave *slave;
+
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
+ if (!slave) {
+ goto out;
+ }
- switch (lacp->lacp_time) {
- case LACP_TIME_FAST:
- tx_rate = LACP_FAST_TIME_TX;
- break;
- case LACP_TIME_SLOW:
- tx_rate = LACP_SLOW_TIME_TX;
- break;
- case LACP_TIME_CUSTOM:
- tx_rate = lacp->custom_time;
- break;
- default: NOT_REACHED();
+ pdu = parse_lacp_packet(packet);
+ if (!pdu) {
+ VLOG_WARN_RL(&rl, "%s: received an unparsable LACP PDU.", lacp->name);
+ goto out;
}
slave->status = LACP_CURRENT;
+ tx_rate = lacp->fast ? LACP_FAST_TIME_TX : LACP_SLOW_TIME_TX;
timer_set_duration(&slave->rx, LACP_RX_MULTIPLIER * tx_rate);
slave->ntt_actor = pdu->partner;
lacp->update = true;
slave->partner = pdu->actor;
}
+
+out:
+ ovs_mutex_unlock(&mutex);
}
-/* Returns true if 'lacp' has successfully negotiated with its partner. False
- * if 'lacp' is NULL. */
-bool
-lacp_negotiated(const struct lacp *lacp)
+/* Returns the lacp_status of the given 'lacp' object (which may be NULL). */
+enum lacp_status
+lacp_status(const struct lacp *lacp) OVS_EXCLUDED(mutex)
{
- return lacp ? lacp->negotiated : false;
+ if (lacp) {
+ enum lacp_status ret;
+
+ ovs_mutex_lock(&mutex);
+ ret = lacp->negotiated ? LACP_NEGOTIATED : LACP_CONFIGURED;
+ ovs_mutex_unlock(&mutex);
+ return ret;
+ } else {
+ /* Don't take 'mutex'. It might not even be initialized, since we
+ * don't know that any lacp object has been created. */
+ return LACP_DISABLED;
+ }
}
/* Registers 'slave_' as subordinate to 'lacp'. This should be called at least
void
lacp_slave_register(struct lacp *lacp, void *slave_,
const struct lacp_slave_settings *s)
+ OVS_EXCLUDED(mutex)
{
- struct slave *slave = slave_lookup(lacp, slave_);
+ struct slave *slave;
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
if (!slave) {
slave = xzalloc(sizeof *slave);
slave->lacp = lacp;
slave->name = xstrdup(s->name);
}
- if (slave->port_id != s->id || slave->port_priority != s->priority) {
+ if (slave->port_id != s->id
+ || slave->port_priority != s->priority
+ || slave->key != s->key) {
slave->port_id = s->id;
slave->port_priority = s->priority;
+ slave->key = s->key;
lacp->update = true;
slave_set_expired(slave);
}
}
+ ovs_mutex_unlock(&mutex);
}
/* Unregisters 'slave_' with 'lacp'. */
void
lacp_slave_unregister(struct lacp *lacp, const void *slave_)
+ OVS_EXCLUDED(mutex)
{
- struct slave *slave = slave_lookup(lacp, slave_);
+ struct slave *slave;
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
if (slave) {
slave_destroy(slave);
lacp->update = true;
}
+ ovs_mutex_unlock(&mutex);
}
/* This function should be called whenever the carrier status of 'slave_' has
- * changed. */
+ * changed. If 'lacp' is null, this function has no effect.*/
void
lacp_slave_carrier_changed(const struct lacp *lacp, const void *slave_)
+ OVS_EXCLUDED(mutex)
{
- struct slave *slave = slave_lookup(lacp, slave_);
+ struct slave *slave;
+ if (!lacp) {
+ return;
+ }
+
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
+ if (!slave) {
+ goto out;
+ }
if (slave->status == LACP_CURRENT || slave->lacp->active) {
slave_set_expired(slave);
}
+
+out:
+ ovs_mutex_unlock(&mutex);
+}
+
+static bool
+slave_may_enable__(struct slave *slave) OVS_REQUIRES(mutex)
+{
+ /* The slave may be enabled if it's attached to an aggregator and its
+ * partner is synchronized.*/
+ return slave->attached && (slave->partner.state & LACP_STATE_SYNC
+ || (slave->lacp && slave->lacp->fallback_ab
+ && slave->status == LACP_DEFAULTED));
}
/* This function should be called before enabling 'slave_' to send or receive
* convenience, returns true if 'lacp' is NULL. */
bool
lacp_slave_may_enable(const struct lacp *lacp, const void *slave_)
+ OVS_EXCLUDED(mutex)
{
if (lacp) {
- struct slave *slave = slave_lookup(lacp, slave_);
-
- /* The slave may be enabled if it's attached to an aggregator and its
- * partner is synchronized. The only exception is defaulted slaves.
- * They are not required to have synchronized partners because they
- * have no partners at all. They will only be attached if negotiations
- * failed on all slaves in the bond. */
- return slave->attached && (slave->partner.state & LACP_STATE_SYNC
- || slave->status == LACP_DEFAULTED);
+ struct slave *slave;
+ bool ret;
+
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
+ ret = slave ? slave_may_enable__(slave) : false;
+ ovs_mutex_unlock(&mutex);
+ return ret;
} else {
return true;
}
}
-/* Returns the port ID used for 'slave_' in LACP communications. */
-uint16_t
-lacp_slave_get_port_id(const struct lacp *lacp, const void *slave_)
-{
- struct slave *slave = slave_lookup(lacp, slave_);
- return slave->port_id;
-}
-
/* Returns true if partner information on 'slave_' is up to date. 'slave_'
* not being current, generally indicates a connectivity problem, or a
* misconfigured (or broken) partner. */
bool
lacp_slave_is_current(const struct lacp *lacp, const void *slave_)
+ OVS_EXCLUDED(mutex)
{
- return slave_lookup(lacp, slave_)->status == LACP_CURRENT;
+ struct slave *slave;
+ bool ret;
+
+ ovs_mutex_lock(&mutex);
+ slave = slave_lookup(lacp, slave_);
+ ret = slave ? slave->status != LACP_DEFAULTED : false;
+ ovs_mutex_unlock(&mutex);
+ return ret;
}
/* This function should be called periodically to update 'lacp'. */
void
-lacp_run(struct lacp *lacp, lacp_send_pdu *send_pdu)
+lacp_run(struct lacp *lacp, lacp_send_pdu *send_pdu) OVS_EXCLUDED(mutex)
{
struct slave *slave;
+ ovs_mutex_lock(&mutex);
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
if (timer_expired(&slave->rx)) {
+ enum slave_status old_status = slave->status;
+
if (slave->status == LACP_CURRENT) {
slave_set_expired(slave);
} else if (slave->status == LACP_EXPIRED) {
slave_set_defaulted(slave);
}
+ if (slave->status != old_status) {
+ seq_change(connectivity_seq_get());
+ }
}
}
}
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
- struct lacp_pdu pdu;
struct lacp_info actor;
if (!slave_may_tx(slave)) {
if (timer_expired(&slave->tx)
|| !info_tx_equal(&actor, &slave->ntt_actor)) {
long long int duration;
+ struct lacp_pdu pdu;
slave->ntt_actor = actor;
compose_lacp_pdu(&actor, &slave->partner, &pdu);
- send_pdu(slave->aux, &pdu);
+ send_pdu(slave->aux, &pdu, sizeof pdu);
- if (lacp->lacp_time == LACP_TIME_CUSTOM) {
- duration = lacp->custom_time;
- } else {
- duration = (slave->partner.state & LACP_STATE_TIME
- ? LACP_FAST_TIME_TX
- : LACP_SLOW_TIME_TX);
- }
+ duration = (slave->partner.state & LACP_STATE_TIME
+ ? LACP_FAST_TIME_TX
+ : LACP_SLOW_TIME_TX);
timer_set_duration(&slave->tx, duration);
+ seq_change(connectivity_seq_get());
}
}
+ ovs_mutex_unlock(&mutex);
}
/* Causes poll_block() to wake up when lacp_run() needs to be called again. */
void
-lacp_wait(struct lacp *lacp)
+lacp_wait(struct lacp *lacp) OVS_EXCLUDED(mutex)
{
struct slave *slave;
+ ovs_mutex_lock(&mutex);
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
if (slave_may_tx(slave)) {
timer_wait(&slave->tx);
timer_wait(&slave->rx);
}
}
+ ovs_mutex_unlock(&mutex);
}
\f
/* Static Helpers. */
/* Updates the attached status of all slaves controlled by 'lacp' and sets its
* negotiated parameter to true if any slaves are attachable. */
static void
-lacp_update_attached(struct lacp *lacp)
+lacp_update_attached(struct lacp *lacp) OVS_REQUIRES(mutex)
{
struct slave *lead, *slave;
struct lacp_info lead_pri;
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
struct lacp_info pri;
- slave->attached = true;
+ slave->attached = false;
/* XXX: In the future allow users to configure the expected system ID.
* For now just special case loopback. */
if (eth_addr_equals(slave->partner.sys_id, slave->lacp->sys_id)) {
VLOG_WARN_RL(&rl, "slave %s: Loopback detected. Slave is "
"connected to its own bond", slave->name);
- slave->attached = false;
continue;
}
if (slave->status == LACP_DEFAULTED) {
+ if (lacp->fallback_ab) {
+ slave->attached = true;
+ }
continue;
}
+ slave->attached = true;
slave_get_priority(slave, &pri);
if (!lead || memcmp(&pri, &lead_pri, sizeof pri) < 0) {
if (lead) {
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
- if (slave->status == LACP_DEFAULTED
+ if ((lacp->fallback_ab && slave->status == LACP_DEFAULTED)
|| lead->partner.key != slave->partner.key
|| !eth_addr_equals(lead->partner.sys_id,
slave->partner.sys_id)) {
slave->attached = false;
}
}
- } else if (lacp->strict) {
- HMAP_FOR_EACH (slave, node, &lacp->slaves) {
- slave->attached = false;
- }
}
}
static void
-slave_destroy(struct slave *slave)
+slave_destroy(struct slave *slave) OVS_REQUIRES(mutex)
{
if (slave) {
struct lacp *lacp = slave->lacp;
}
static void
-slave_set_defaulted(struct slave *slave)
+slave_set_defaulted(struct slave *slave) OVS_REQUIRES(mutex)
{
memset(&slave->partner, 0, sizeof slave->partner);
}
static void
-slave_set_expired(struct slave *slave)
+slave_set_expired(struct slave *slave) OVS_REQUIRES(mutex)
{
- struct lacp *lacp = slave->lacp;
-
slave->status = LACP_EXPIRED;
slave->partner.state |= LACP_STATE_TIME;
slave->partner.state &= ~LACP_STATE_SYNC;
- /* The spec says we should wait LACP_RX_MULTIPLIER * LACP_FAST_TIME_TX.
- * This doesn't make sense when using custom times which can be much
- * smaller than LACP_FAST_TIME. */
- timer_set_duration(&slave->rx, (lacp->lacp_time == LACP_TIME_CUSTOM
- ? lacp->custom_time
- : LACP_RX_MULTIPLIER * LACP_FAST_TIME_TX));
+ timer_set_duration(&slave->rx, LACP_RX_MULTIPLIER * LACP_FAST_TIME_TX);
}
static void
slave_get_actor(struct slave *slave, struct lacp_info *actor)
+ OVS_REQUIRES(mutex)
{
struct lacp *lacp = slave->lacp;
+ uint16_t key;
uint8_t state = 0;
if (lacp->active) {
state |= LACP_STATE_ACT;
}
- if (lacp->lacp_time != LACP_TIME_SLOW) {
+ if (lacp->fast) {
state |= LACP_STATE_TIME;
}
state |= LACP_STATE_EXP;
}
- if (lacp->force_agg || hmap_count(&lacp->slaves) > 1) {
+ if (hmap_count(&lacp->slaves) > 1) {
state |= LACP_STATE_AGG;
}
state |= LACP_STATE_COL | LACP_STATE_DIST;
}
+ key = lacp->key_slave->key;
+ if (!key) {
+ key = lacp->key_slave->port_id;
+ }
+
actor->state = state;
- actor->key = htons(lacp->key_slave->port_id);
+ actor->key = htons(key);
actor->port_priority = htons(slave->port_priority);
actor->port_id = htons(slave->port_id);
actor->sys_priority = htons(lacp->sys_priority);
* link. */
static void
slave_get_priority(struct slave *slave, struct lacp_info *priority)
+ OVS_REQUIRES(mutex)
{
uint16_t partner_priority, actor_priority;
}
static bool
-slave_may_tx(const struct slave *slave)
+slave_may_tx(const struct slave *slave) OVS_REQUIRES(mutex)
{
return slave->lacp->active || slave->status != LACP_DEFAULTED;
}
static struct slave *
-slave_lookup(const struct lacp *lacp, const void *slave_)
+slave_lookup(const struct lacp *lacp, const void *slave_) OVS_REQUIRES(mutex)
{
struct slave *slave;
}
\f
static struct lacp *
-lacp_find(const char *name)
+lacp_find(const char *name) OVS_REQUIRES(mutex)
{
struct lacp *lacp;
- LIST_FOR_EACH (lacp, node, &all_lacps) {
+ LIST_FOR_EACH (lacp, node, all_lacps) {
if (!strcmp(lacp->name, name)) {
return lacp;
}
ds_put_lacp_state(struct ds *ds, uint8_t state)
{
if (state & LACP_STATE_ACT) {
- ds_put_cstr(ds, "activity ");
+ ds_put_cstr(ds, " activity");
}
if (state & LACP_STATE_TIME) {
- ds_put_cstr(ds, "timeout ");
+ ds_put_cstr(ds, " timeout");
}
if (state & LACP_STATE_AGG) {
- ds_put_cstr(ds, "aggregation ");
+ ds_put_cstr(ds, " aggregation");
}
if (state & LACP_STATE_SYNC) {
- ds_put_cstr(ds, "synchronized ");
+ ds_put_cstr(ds, " synchronized");
}
if (state & LACP_STATE_COL) {
- ds_put_cstr(ds, "collecting ");
+ ds_put_cstr(ds, " collecting");
}
if (state & LACP_STATE_DIST) {
- ds_put_cstr(ds, "distributing ");
+ ds_put_cstr(ds, " distributing");
}
if (state & LACP_STATE_DEF) {
- ds_put_cstr(ds, "defaulted ");
+ ds_put_cstr(ds, " defaulted");
}
if (state & LACP_STATE_EXP) {
- ds_put_cstr(ds, "expired ");
+ ds_put_cstr(ds, " expired");
}
}
static void
-lacp_unixctl_show(struct unixctl_conn *conn,
- const char *args, void *aux OVS_UNUSED)
+lacp_print_details(struct ds *ds, struct lacp *lacp) OVS_REQUIRES(mutex)
{
- struct ds ds = DS_EMPTY_INITIALIZER;
- struct lacp *lacp;
- struct slave *slave;
+ struct shash slave_shash = SHASH_INITIALIZER(&slave_shash);
+ const struct shash_node **sorted_slaves = NULL;
- lacp = lacp_find(args);
- if (!lacp) {
- unixctl_command_reply(conn, 501, "no such lacp object");
- return;
- }
-
- ds_put_format(&ds, "lacp: %s\n", lacp->name);
+ struct slave *slave;
+ int i;
- ds_put_format(&ds, "\tstatus: %s", lacp->active ? "active" : "passive");
- if (lacp->strict) {
- ds_put_cstr(&ds, " strict");
- }
+ ds_put_format(ds, "---- %s ----\n", lacp->name);
+ ds_put_format(ds, "\tstatus: %s", lacp->active ? "active" : "passive");
if (lacp->negotiated) {
- ds_put_cstr(&ds, " negotiated");
+ ds_put_cstr(ds, " negotiated");
}
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\n");
- ds_put_format(&ds, "\tsys_id: " ETH_ADDR_FMT "\n", ETH_ADDR_ARGS(lacp->sys_id));
- ds_put_format(&ds, "\tsys_priority: %u\n", lacp->sys_priority);
- ds_put_cstr(&ds, "\taggregation key: ");
+ ds_put_format(ds, "\tsys_id: " ETH_ADDR_FMT "\n", ETH_ADDR_ARGS(lacp->sys_id));
+ ds_put_format(ds, "\tsys_priority: %u\n", lacp->sys_priority);
+ ds_put_cstr(ds, "\taggregation key: ");
if (lacp->key_slave) {
- ds_put_format(&ds, "%u", lacp->key_slave->port_id);
+ ds_put_format(ds, "%u", lacp->key_slave->key
+ ? lacp->key_slave->key
+ : lacp->key_slave->port_id);
} else {
- ds_put_cstr(&ds, "none");
+ ds_put_cstr(ds, "none");
}
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\n");
- ds_put_cstr(&ds, "\tlacp_time: ");
- switch (lacp->lacp_time) {
- case LACP_TIME_FAST:
- ds_put_cstr(&ds, "fast\n");
- break;
- case LACP_TIME_SLOW:
- ds_put_cstr(&ds, "slow\n");
- break;
- case LACP_TIME_CUSTOM:
- ds_put_format(&ds, "custom (%lld)\n", lacp->custom_time);
- break;
- default:
- ds_put_cstr(&ds, "unknown\n");
+ ds_put_cstr(ds, "\tlacp_time: ");
+ if (lacp->fast) {
+ ds_put_cstr(ds, "fast\n");
+ } else {
+ ds_put_cstr(ds, "slow\n");
}
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
+ shash_add(&slave_shash, slave->name, slave);
+ }
+ sorted_slaves = shash_sort(&slave_shash);
+
+ for (i = 0; i < shash_count(&slave_shash); i++) {
char *status;
struct lacp_info actor;
+ slave = sorted_slaves[i]->data;
slave_get_actor(slave, &actor);
switch (slave->status) {
case LACP_CURRENT:
status = "defaulted";
break;
default:
- NOT_REACHED();
+ OVS_NOT_REACHED();
}
- ds_put_format(&ds, "\nslave: %s: %s %s\n", slave->name, status,
+ ds_put_format(ds, "\nslave: %s: %s %s\n", slave->name, status,
slave->attached ? "attached" : "detached");
- ds_put_format(&ds, "\tport_id: %u\n", slave->port_id);
- ds_put_format(&ds, "\tport_priority: %u\n", slave->port_priority);
+ ds_put_format(ds, "\tport_id: %u\n", slave->port_id);
+ ds_put_format(ds, "\tport_priority: %u\n", slave->port_priority);
+ ds_put_format(ds, "\tmay_enable: %s\n", (slave_may_enable__(slave)
+ ? "true" : "false"));
- ds_put_format(&ds, "\n\tactor sys_id: " ETH_ADDR_FMT "\n",
+ ds_put_format(ds, "\n\tactor sys_id: " ETH_ADDR_FMT "\n",
ETH_ADDR_ARGS(actor.sys_id));
- ds_put_format(&ds, "\tactor sys_priority: %u\n",
+ ds_put_format(ds, "\tactor sys_priority: %u\n",
ntohs(actor.sys_priority));
- ds_put_format(&ds, "\tactor port_id: %u\n",
+ ds_put_format(ds, "\tactor port_id: %u\n",
ntohs(actor.port_id));
- ds_put_format(&ds, "\tactor port_priority: %u\n",
+ ds_put_format(ds, "\tactor port_priority: %u\n",
ntohs(actor.port_priority));
- ds_put_format(&ds, "\tactor key: %u\n",
+ ds_put_format(ds, "\tactor key: %u\n",
ntohs(actor.key));
- ds_put_cstr(&ds, "\tactor state: ");
- ds_put_lacp_state(&ds, actor.state);
- ds_put_cstr(&ds, "\n\n");
+ ds_put_cstr(ds, "\tactor state:");
+ ds_put_lacp_state(ds, actor.state);
+ ds_put_cstr(ds, "\n\n");
- ds_put_format(&ds, "\tpartner sys_id: " ETH_ADDR_FMT "\n",
+ ds_put_format(ds, "\tpartner sys_id: " ETH_ADDR_FMT "\n",
ETH_ADDR_ARGS(slave->partner.sys_id));
- ds_put_format(&ds, "\tpartner sys_priority: %u\n",
+ ds_put_format(ds, "\tpartner sys_priority: %u\n",
ntohs(slave->partner.sys_priority));
- ds_put_format(&ds, "\tpartner port_id: %u\n",
+ ds_put_format(ds, "\tpartner port_id: %u\n",
ntohs(slave->partner.port_id));
- ds_put_format(&ds, "\tpartner port_priority: %u\n",
+ ds_put_format(ds, "\tpartner port_priority: %u\n",
ntohs(slave->partner.port_priority));
- ds_put_format(&ds, "\tpartner key: %u\n",
+ ds_put_format(ds, "\tpartner key: %u\n",
ntohs(slave->partner.key));
- ds_put_cstr(&ds, "\tpartner state: ");
- ds_put_lacp_state(&ds, slave->partner.state);
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\tpartner state:");
+ ds_put_lacp_state(ds, slave->partner.state);
+ ds_put_cstr(ds, "\n");
+ }
+
+ shash_destroy(&slave_shash);
+ free(sorted_slaves);
+}
+
+static void
+lacp_unixctl_show(struct unixctl_conn *conn, int argc, const char *argv[],
+ void *aux OVS_UNUSED) OVS_EXCLUDED(mutex)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ struct lacp *lacp;
+
+ ovs_mutex_lock(&mutex);
+ if (argc > 1) {
+ lacp = lacp_find(argv[1]);
+ if (!lacp) {
+ unixctl_command_reply_error(conn, "no such lacp object");
+ goto out;
+ }
+ lacp_print_details(&ds, lacp);
+ } else {
+ LIST_FOR_EACH (lacp, node, all_lacps) {
+ lacp_print_details(&ds, lacp);
+ }
}
- unixctl_command_reply(conn, 200, ds_cstr(&ds));
+ unixctl_command_reply(conn, ds_cstr(&ds));
ds_destroy(&ds);
+
+out:
+ ovs_mutex_unlock(&mutex);
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff