-/* Copyright (c) 2008, 2009, 2010 Nicira Networks
+/* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include <sys/types.h>
#include <unistd.h>
#include "bitmap.h"
+#include "bond.h"
#include "cfm.h"
#include "classifier.h"
#include "coverage.h"
+#include "daemon.h"
#include "dirs.h"
#include "dpif.h"
#include "dynamic-string.h"
#include "hash.h"
#include "hmap.h"
#include "jsonrpc.h"
+#include "lacp.h"
#include "list.h"
#include "mac-learning.h"
#include "netdev.h"
+#include "netlink.h"
#include "odp-util.h"
#include "ofp-print.h"
#include "ofpbuf.h"
#include "ovsdb-data.h"
#include "packets.h"
#include "poll-loop.h"
-#include "proc-net-compat.h"
#include "process.h"
#include "sha1.h"
#include "shash.h"
#include "socket-util.h"
#include "stream-ssl.h"
+#include "sset.h"
#include "svec.h"
#include "system-stats.h"
#include "timeval.h"
#include "xenserver.h"
#include "vlog.h"
#include "sflow_api.h"
+#include "vlan-bitmap.h"
VLOG_DEFINE_THIS_MODULE(bridge);
COVERAGE_DEFINE(bridge_reconfigure);
struct dst {
+ struct iface *iface;
uint16_t vlan;
- uint16_t dp_ifidx;
};
+struct dst_set {
+ struct dst builtin[32];
+ struct dst *dsts;
+ size_t n, allocated;
+};
+
+static void dst_set_init(struct dst_set *);
+static void dst_set_add(struct dst_set *, const struct dst *);
+static void dst_set_free(struct dst_set *);
+
struct iface {
/* These members are always valid. */
+ struct list port_elem; /* Element in struct port's "ifaces" list. */
struct port *port; /* Containing port. */
- size_t port_ifidx; /* Index within containing port. */
char *name; /* Host network device name. */
tag_type tag; /* Tag associated with this interface. */
- long long delay_expires; /* Time after which 'enabled' may change. */
/* These members are valid only after bridge_reconfigure() causes them to
* be initialized. */
struct hmap_node dp_ifidx_node; /* In struct bridge's "ifaces" hmap. */
int dp_ifidx; /* Index within kernel datapath. */
struct netdev *netdev; /* Network device. */
- bool enabled; /* May be chosen for flows? */
const char *type; /* Usually same as cfg->type. */
- struct cfm *cfm; /* Connectivity Fault Management */
const struct ovsrec_interface *cfg;
};
-#define BOND_MASK 0xff
-struct bond_entry {
- int iface_idx; /* Index of assigned iface, or -1 if none. */
- uint64_t tx_bytes; /* Count of bytes recently transmitted. */
- tag_type iface_tag; /* Tag associated with iface_idx. */
-};
-
#define MAX_MIRRORS 32
typedef uint32_t mirror_mask_t;
#define MIRROR_MASK_C(X) UINT32_C(X)
struct uuid uuid; /* UUID of this "mirror" record in database. */
/* Selection criteria. */
- struct shash src_ports; /* Name is port name; data is always NULL. */
- struct shash dst_ports; /* Name is port name; data is always NULL. */
+ struct sset src_ports; /* Source port names. */
+ struct sset dst_ports; /* Destination port names. */
int *vlans;
size_t n_vlans;
#define FLOOD_PORT ((struct port *) 1) /* The 'flood' output port. */
struct port {
struct bridge *bridge;
- size_t port_idx;
+ struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
+ char *name;
+
int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
* NULL if all VLANs are trunked. */
const struct ovsrec_port *cfg;
- char *name;
/* An ordinary bridge port has 1 interface.
* A bridge port for bonding has at least 2 interfaces. */
- struct iface **ifaces;
- size_t n_ifaces, allocated_ifaces;
+ struct list ifaces; /* List of "struct iface"s. */
+
+ struct lacp *lacp; /* NULL if LACP is not enabled. */
/* Bonding info. */
- struct bond_entry *bond_hash; /* An array of (BOND_MASK + 1) elements. */
- int active_iface; /* Ifidx on which bcasts accepted, or -1. */
- tag_type active_iface_tag; /* Tag for bcast flows. */
- tag_type no_ifaces_tag; /* Tag for flows when all ifaces disabled. */
- int updelay, downdelay; /* Delay before iface goes up/down, in ms. */
- bool bond_compat_is_stale; /* Need to call port_update_bond_compat()? */
- bool bond_fake_iface; /* Fake a bond interface for legacy compat? */
- long long int bond_next_fake_iface_update; /* Time of next update. */
- int bond_rebalance_interval; /* Interval between rebalances, in ms. */
- long long int bond_next_rebalance; /* Next rebalancing time. */
- struct netdev_monitor *monitor; /* Tracks carrier up/down status. */
+ struct bond *bond;
/* Port mirroring info. */
mirror_mask_t src_mirrors; /* Mirrors triggered when packet received. */
bool is_mirror_output_port; /* Does port mirroring send frames here? */
};
-#define DP_MAX_PORTS 255
struct bridge {
struct list node; /* Node in global list of bridges. */
char *name; /* User-specified arbitrary name. */
struct mac_learning *ml; /* MAC learning table. */
+ uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
const struct ovsrec_bridge *cfg;
/* Kernel datapath information. */
struct dpif *dpif; /* Datapath. */
- struct hmap ifaces; /* Contains "struct iface"s. */
+ struct hmap ifaces; /* "struct iface"s indexed by dp_ifidx. */
/* Bridge ports. */
- struct port **ports;
- size_t n_ports, allocated_ports;
+ struct hmap ports; /* "struct port"s indexed by name. */
struct shash iface_by_name; /* "struct iface"s indexed by name. */
- struct shash port_by_name; /* "struct port"s indexed by name. */
/* Bonding. */
bool has_bonded_ports;
/* Port mirroring. */
struct mirror *mirrors[MAX_MIRRORS];
+
+ /* Synthetic local port if necessary. */
+ struct ovsrec_port synth_local_port;
+ struct ovsrec_interface synth_local_iface;
+ struct ovsrec_interface *synth_local_ifacep;
};
/* List of all bridges. */
#define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
static long long int stats_timer = LLONG_MIN;
+/* Stores the time after which rate limited statistics may be written to the
+ * database. Only updated when changes to the database require rate limiting.
+ */
+#define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */
+static long long int db_limiter = LLONG_MIN;
+
static struct bridge *bridge_create(const struct ovsrec_bridge *br_cfg);
static void bridge_destroy(struct bridge *);
static struct bridge *bridge_lookup(const char *name);
static uint64_t bridge_pick_datapath_id(struct bridge *,
const uint8_t bridge_ea[ETH_ADDR_LEN],
struct iface *hw_addr_iface);
-static struct iface *bridge_get_local_iface(struct bridge *);
static uint64_t dpid_from_hash(const void *, size_t nbytes);
static unixctl_cb_func bridge_unixctl_fdb_show;
+static unixctl_cb_func cfm_unixctl_show;
+static unixctl_cb_func qos_unixctl_show;
-static void bond_init(void);
-static void bond_run(struct bridge *);
-static void bond_wait(struct bridge *);
-static void bond_rebalance_port(struct port *);
-static void bond_send_learning_packets(struct port *);
-static void bond_enable_slave(struct iface *iface, bool enable);
-
+static void port_run(struct port *);
+static void port_wait(struct port *);
static struct port *port_create(struct bridge *, const char *name);
static void port_reconfigure(struct port *, const struct ovsrec_port *);
static void port_del_ifaces(struct port *, const struct ovsrec_port *);
static void port_destroy(struct port *);
static struct port *port_lookup(const struct bridge *, const char *name);
-static struct iface *port_lookup_iface(const struct port *, const char *name);
+static struct iface *port_get_an_iface(const struct port *);
static struct port *port_from_dp_ifidx(const struct bridge *,
uint16_t dp_ifidx);
-static void port_update_bond_compat(struct port *);
-static void port_update_vlan_compat(struct port *);
-static void port_update_bonding(struct port *);
+static void port_reconfigure_lacp(struct port *);
+static void port_reconfigure_bond(struct port *);
+static void port_send_learning_packets(struct port *);
static void mirror_create(struct bridge *, struct ovsrec_mirror *);
static void mirror_destroy(struct mirror *);
const struct ovsrec_interface *if_cfg);
static void iface_destroy(struct iface *);
static struct iface *iface_lookup(const struct bridge *, const char *name);
+static struct iface *iface_find(const char *name);
static struct iface *iface_from_dp_ifidx(const struct bridge *,
uint16_t dp_ifidx);
static void iface_set_mac(struct iface *);
static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
static void iface_update_qos(struct iface *, const struct ovsrec_qos *);
static void iface_update_cfm(struct iface *);
-static void iface_refresh_cfm_stats(struct iface *iface);
-static void iface_send_packet(struct iface *, struct ofpbuf *packet);
+static bool iface_refresh_cfm_stats(struct iface *iface);
+static bool iface_get_carrier(const struct iface *);
+static bool iface_is_synthetic(const struct iface *);
static void shash_from_ovs_idl_map(char **keys, char **values, size_t n,
struct shash *);
+static void shash_to_ovs_idl_map(struct shash *,
+ char ***keys, char ***values, size_t *n);
/* Hooks into ofproto processing. */
static struct ofhooks bridge_ofhooks;
ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
+ ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
+ ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
+ ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
+ ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
+ ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
+
+ ovsdb_idl_omit_alert(idl, &ovsrec_maintenance_point_col_fault);
+
+ ovsdb_idl_omit_alert(idl, &ovsrec_monitor_col_fault);
+
+ ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
+
+ ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
+ ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
+ ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
+ ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
+ ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
+
+ ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
+
/* Register unixctl commands. */
unixctl_command_register("fdb/show", bridge_unixctl_fdb_show, NULL);
+ unixctl_command_register("cfm/show", cfm_unixctl_show, NULL);
+ unixctl_command_register("qos/show", qos_unixctl_show, NULL);
unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows,
NULL);
unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect,
NULL);
+ lacp_init();
bond_init();
}
+void
+bridge_exit(void)
+{
+ struct bridge *br, *next_br;
+
+ LIST_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
+ bridge_destroy(br);
+ }
+ ovsdb_idl_destroy(idl);
+}
+
/* Performs configuration that is only necessary once at ovs-vswitchd startup,
* but for which the ovs-vswitchd configuration 'cfg' is required. */
static void
bridge_configure_once(const struct ovsrec_open_vswitch *cfg)
{
static bool already_configured_once;
- struct svec bridge_names;
- struct svec dpif_names, dpif_types;
+ struct sset bridge_names;
+ struct sset dpif_names, dpif_types;
+ const char *type;
size_t i;
/* Only do this once per ovs-vswitchd run. */
stats_timer = time_msec() + STATS_INTERVAL;
/* Get all the configured bridges' names from 'cfg' into 'bridge_names'. */
- svec_init(&bridge_names);
+ sset_init(&bridge_names);
for (i = 0; i < cfg->n_bridges; i++) {
- svec_add(&bridge_names, cfg->bridges[i]->name);
+ sset_add(&bridge_names, cfg->bridges[i]->name);
}
- svec_sort(&bridge_names);
/* Iterate over all system dpifs and delete any of them that do not appear
* in 'cfg'. */
- svec_init(&dpif_names);
- svec_init(&dpif_types);
+ sset_init(&dpif_names);
+ sset_init(&dpif_types);
dp_enumerate_types(&dpif_types);
- for (i = 0; i < dpif_types.n; i++) {
- struct dpif *dpif;
- int retval;
- size_t j;
-
- dp_enumerate_names(dpif_types.names[i], &dpif_names);
-
- /* For each dpif... */
- for (j = 0; j < dpif_names.n; j++) {
- retval = dpif_open(dpif_names.names[j], dpif_types.names[i], &dpif);
- if (!retval) {
- struct svec all_names;
- size_t k;
-
- /* ...check whether any of its names is in 'bridge_names'. */
- svec_init(&all_names);
- dpif_get_all_names(dpif, &all_names);
- for (k = 0; k < all_names.n; k++) {
- if (svec_contains(&bridge_names, all_names.names[k])) {
- goto found;
- }
- }
+ SSET_FOR_EACH (type, &dpif_types) {
+ const char *name;
- /* No. Delete the dpif. */
- dpif_delete(dpif);
-
- found:
- svec_destroy(&all_names);
- dpif_close(dpif);
- }
- }
- }
- svec_destroy(&bridge_names);
- svec_destroy(&dpif_names);
- svec_destroy(&dpif_types);
-}
-
-/* Initializes 'options' and fills it with the options for 'if_cfg'. Merges
- * keys from "options" and "other_config", preferring "options" keys over
- * "other_config" keys. */
-static void
-iface_get_options(const struct ovsrec_interface *if_cfg, struct shash *options)
-{
- size_t i;
-
- shash_from_ovs_idl_map(if_cfg->key_options, if_cfg->value_options,
- if_cfg->n_options, options);
-
- for (i = 0; i < if_cfg->n_other_config; i++) {
- char *key = if_cfg->key_other_config[i];
- char *value = if_cfg->value_other_config[i];
-
- if (!shash_find_data(options, key)) {
- shash_add(options, key, value);
- } else {
- VLOG_WARN("%s: ignoring \"other_config\" key %s that conflicts "
- "with \"options\" key %s", if_cfg->name, key, key);
- }
- }
-}
-
-/* Callback for iterate_and_prune_ifaces(). */
-static bool
-check_iface(struct bridge *br, struct iface *iface, void *aux OVS_UNUSED)
-{
- if (!iface->netdev) {
- /* We already reported a related error, don't bother duplicating it. */
- return false;
- }
-
- if (iface->dp_ifidx < 0) {
- VLOG_ERR("%s interface not in %s, dropping",
- iface->name, dpif_name(br->dpif));
- return false;
- }
-
- VLOG_DBG("%s has interface %s on port %d", dpif_name(br->dpif),
- iface->name, iface->dp_ifidx);
- return true;
-}
-
-/* Callback for iterate_and_prune_ifaces(). */
-static bool
-set_iface_properties(struct bridge *br OVS_UNUSED, struct iface *iface,
- void *aux OVS_UNUSED)
-{
- /* Set policing attributes. */
- netdev_set_policing(iface->netdev,
- iface->cfg->ingress_policing_rate,
- iface->cfg->ingress_policing_burst);
-
- /* Set MAC address of internal interfaces other than the local
- * interface. */
- if (iface->dp_ifidx != ODPP_LOCAL && !strcmp(iface->type, "internal")) {
- iface_set_mac(iface);
- }
+ dp_enumerate_names(type, &dpif_names);
- return true;
-}
+ /* Delete each dpif whose name is not in 'bridge_names'. */
+ SSET_FOR_EACH (name, &dpif_names) {
+ if (!sset_contains(&bridge_names, name)) {
+ struct dpif *dpif;
+ int retval;
-/* Calls 'cb' for each interfaces in 'br', passing along the 'aux' argument.
- * Deletes from 'br' all the interfaces for which 'cb' returns false, and then
- * deletes from 'br' any ports that no longer have any interfaces. */
-static void
-iterate_and_prune_ifaces(struct bridge *br,
- bool (*cb)(struct bridge *, struct iface *,
- void *aux),
- void *aux)
-{
- size_t i, j;
-
- for (i = 0; i < br->n_ports; ) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; ) {
- struct iface *iface = port->ifaces[j];
- if (cb(br, iface, aux)) {
- j++;
- } else {
- iface_set_ofport(iface->cfg, -1);
- iface_destroy(iface);
+ retval = dpif_open(name, type, &dpif);
+ if (!retval) {
+ dpif_delete(dpif);
+ dpif_close(dpif);
+ }
}
}
-
- if (port->n_ifaces) {
- i++;
- } else {
- VLOG_ERR("%s port has no interfaces, dropping", port->name);
- port_destroy(port);
- }
}
+ sset_destroy(&bridge_names);
+ sset_destroy(&dpif_names);
+ sset_destroy(&dpif_types);
}
/* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
{
struct sockaddr_in *managers = NULL;
size_t n_managers = 0;
- struct shash targets;
+ struct sset targets;
size_t i;
- /* Collect all of the potential targets, as the union of the "managers"
- * column and the "targets" columns of the rows pointed to by
- * "manager_options", excluding any that are out-of-band. */
- shash_init(&targets);
- for (i = 0; i < ovs_cfg->n_managers; i++) {
- shash_add_once(&targets, ovs_cfg->managers[i], NULL);
- }
+ /* Collect all of the potential targets from the "targets" columns of the
+ * rows pointed to by "manager_options", excluding any that are
+ * out-of-band. */
+ sset_init(&targets);
for (i = 0; i < ovs_cfg->n_manager_options; i++) {
struct ovsrec_manager *m = ovs_cfg->manager_options[i];
if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
- shash_find_and_delete(&targets, m->target);
+ sset_find_and_delete(&targets, m->target);
} else {
- shash_add_once(&targets, m->target, NULL);
+ sset_add(&targets, m->target);
}
}
/* Now extract the targets' IP addresses. */
- if (!shash_is_empty(&targets)) {
- struct shash_node *node;
+ if (!sset_is_empty(&targets)) {
+ const char *target;
- managers = xmalloc(shash_count(&targets) * sizeof *managers);
- SHASH_FOR_EACH (node, &targets) {
- const char *target = node->name;
+ managers = xmalloc(sset_count(&targets) * sizeof *managers);
+ SSET_FOR_EACH (target, &targets) {
struct sockaddr_in *sin = &managers[n_managers];
if ((!strncmp(target, "tcp:", 4)
}
}
}
- shash_destroy(&targets);
+ sset_destroy(&targets);
*managersp = managers;
*n_managersp = n_managers;
* that port already belongs to a different datapath, so we must do all
* port deletions before any port additions. */
LIST_FOR_EACH (br, node, &all_bridges) {
- struct odp_port *dpif_ports;
- size_t n_dpif_ports;
+ struct dpif_port_dump dump;
struct shash want_ifaces;
+ struct dpif_port dpif_port;
- dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
bridge_get_all_ifaces(br, &want_ifaces);
- for (i = 0; i < n_dpif_ports; i++) {
- const struct odp_port *p = &dpif_ports[i];
- if (!shash_find(&want_ifaces, p->devname)
- && strcmp(p->devname, br->name)) {
- int retval = dpif_port_del(br->dpif, p->port);
+ DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) {
+ if (!shash_find(&want_ifaces, dpif_port.name)
+ && strcmp(dpif_port.name, br->name)) {
+ int retval = dpif_port_del(br->dpif, dpif_port.port_no);
if (retval) {
- VLOG_ERR("failed to remove %s interface from %s: %s",
- p->devname, dpif_name(br->dpif),
- strerror(retval));
+ VLOG_WARN("bridge %s: failed to remove %s interface (%s)",
+ br->name, dpif_port.name, strerror(retval));
}
}
}
shash_destroy(&want_ifaces);
- free(dpif_ports);
}
LIST_FOR_EACH (br, node, &all_bridges) {
- struct odp_port *dpif_ports;
- size_t n_dpif_ports;
struct shash cur_ifaces, want_ifaces;
+ struct dpif_port_dump dump;
+ struct dpif_port dpif_port;
/* Get the set of interfaces currently in this datapath. */
- dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
shash_init(&cur_ifaces);
- for (i = 0; i < n_dpif_ports; i++) {
- const char *name = dpif_ports[i].devname;
- shash_add_once(&cur_ifaces, name, &dpif_ports[i]);
+ DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) {
+ struct dpif_port *port_info = xmalloc(sizeof *port_info);
+ dpif_port_clone(port_info, &dpif_port);
+ shash_add(&cur_ifaces, dpif_port.name, port_info);
}
/* Get the set of interfaces we want on this datapath. */
SHASH_FOR_EACH (node, &want_ifaces) {
const char *if_name = node->name;
struct iface *iface = node->data;
- struct odp_port *dpif_port = shash_find_data(&cur_ifaces, if_name);
- const char *type = iface ? iface->type : "internal";
+ struct dpif_port *dpif_port;
+ const char *type;
int error;
+ type = iface ? iface->type : "internal";
+ dpif_port = shash_find_data(&cur_ifaces, if_name);
+
/* If we have a port or a netdev already, and it's not the type we
* want, then delete the port (if any) and close the netdev (if
* any). */
|| (iface && iface->netdev
&& strcmp(type, netdev_get_type(iface->netdev)))) {
if (dpif_port) {
- error = ofproto_port_del(br->ofproto, dpif_port->port);
+ error = ofproto_port_del(br->ofproto, dpif_port->port_no);
if (error) {
continue;
}
dpif_port = NULL;
}
if (iface) {
+ if (iface->port->bond) {
+ /* The bond has a pointer to the netdev, so remove it
+ * from the bond before closing the netdev. The slave
+ * will get added back to the bond later, after a new
+ * netdev is available. */
+ bond_slave_unregister(iface->port->bond, iface);
+ }
netdev_close(iface->netdev);
iface->netdev = NULL;
}
shash_init(&args);
if (iface) {
- iface_get_options(iface->cfg, &args);
+ shash_from_ovs_idl_map(iface->cfg->key_options,
+ iface->cfg->value_options,
+ iface->cfg->n_options, &args);
}
error = netdev_open(&options, &netdev);
shash_destroy(&args);
if (error) {
netdev_close(netdev);
if (error == EFBIG) {
- VLOG_ERR("ran out of valid port numbers on %s",
- dpif_name(br->dpif));
+ VLOG_ERR("bridge %s: out of valid port numbers",
+ br->name);
break;
} else {
- VLOG_ERR("failed to add %s interface to %s: %s",
- if_name, dpif_name(br->dpif),
- strerror(error));
+ VLOG_WARN("bridge %s: failed to add %s interface "
+ "(%s)",
+ br->name, if_name, strerror(error));
continue;
}
}
/* Update 'iface'. */
if (iface) {
iface->netdev = netdev;
- iface->enabled = netdev_get_carrier(iface->netdev);
}
} else if (iface && iface->netdev) {
struct shash args;
shash_init(&args);
- iface_get_options(iface->cfg, &args);
- netdev_reconfigure(iface->netdev, &args);
+ shash_from_ovs_idl_map(iface->cfg->key_options,
+ iface->cfg->value_options,
+ iface->cfg->n_options, &args);
+ netdev_set_config(iface->netdev, &args);
shash_destroy(&args);
}
}
- free(dpif_ports);
- shash_destroy(&cur_ifaces);
shash_destroy(&want_ifaces);
+
+ SHASH_FOR_EACH (node, &cur_ifaces) {
+ struct dpif_port *port_info = node->data;
+ dpif_port_destroy(port_info);
+ free(port_info);
+ }
+ shash_destroy(&cur_ifaces);
}
sflow_bridge_number = 0;
LIST_FOR_EACH (br, node, &all_bridges) {
- uint8_t ea[8];
+ uint8_t ea[ETH_ADDR_LEN];
uint64_t dpid;
struct iface *local_iface;
+ struct port *port, *next_port;
struct iface *hw_addr_iface;
char *dpid_string;
bridge_fetch_dp_ifaces(br);
- iterate_and_prune_ifaces(br, check_iface, NULL);
+ /* Delete interfaces that cannot be opened.
+ *
+ * Following this loop, every remaining "struct iface" has nonnull
+ * 'netdev' and correct 'dp_ifidx'. */
+ HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
+ struct iface *iface, *next_iface;
+
+ LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) {
+ if (iface->netdev && iface->dp_ifidx >= 0) {
+ VLOG_DBG("bridge %s: interface %s is on port %d",
+ br->name, iface->name, iface->dp_ifidx);
+ } else {
+ if (iface->netdev) {
+ VLOG_ERR("bridge %s: missing %s interface, dropping",
+ br->name, iface->name);
+ } else {
+ /* We already reported a related error, don't bother
+ * duplicating it. */
+ }
+
+ iface_set_ofport(iface->cfg, -1);
+ iface_destroy(iface);
+ }
+ }
+
+ if (list_is_empty(&port->ifaces)) {
+ VLOG_WARN("%s port has no interfaces, dropping", port->name);
+ port_destroy(port);
+ }
+ }
/* Pick local port hardware address, datapath ID. */
bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
- local_iface = bridge_get_local_iface(br);
+ local_iface = iface_from_dp_ifidx(br, ODPP_LOCAL);
if (local_iface) {
int error = netdev_set_etheraddr(local_iface->netdev, ea);
if (error) {
br->name, strerror(error));
}
}
+ memcpy(br->ea, ea, ETH_ADDR_LEN);
dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
ofproto_set_datapath_id(br->ofproto, dpid);
"with another vswitch, choose an engine id less "
"than 128", br->name);
}
- if (br->n_ports > 508) {
+ if (hmap_count(&br->ports) > 508) {
VLOG_WARN("bridge %s: netflow port mangling will conflict "
"with another port when more than 508 ports are "
"used", br->name);
}
}
- opts.collectors.n = nf_cfg->n_targets;
- opts.collectors.names = nf_cfg->targets;
+ sset_init(&opts.collectors);
+ sset_add_array(&opts.collectors,
+ nf_cfg->targets, nf_cfg->n_targets);
if (ofproto_set_netflow(br->ofproto, &opts)) {
VLOG_ERR("bridge %s: problem setting netflow collectors",
br->name);
}
+ sset_destroy(&opts.collectors);
} else {
ofproto_set_netflow(br->ofproto, NULL);
}
memset(&oso, 0, sizeof oso);
- oso.targets.n = sflow_cfg->n_targets;
- oso.targets.names = sflow_cfg->targets;
+ sset_init(&oso.targets);
+ sset_add_array(&oso.targets,
+ sflow_cfg->targets, sflow_cfg->n_targets);
oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
if (sflow_cfg->sampling) {
}
ofproto_set_sflow(br->ofproto, &oso);
- /* Do not destroy oso.targets because it is owned by sflow_cfg. */
+ sset_destroy(&oso.targets);
} else {
ofproto_set_sflow(br->ofproto, NULL);
}
bridge_reconfigure_remotes(br, managers, n_managers);
}
LIST_FOR_EACH (br, node, &all_bridges) {
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- int j;
+ struct port *port;
- port_update_vlan_compat(port);
- port_update_bonding(port);
+ br->has_bonded_ports = false;
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ struct iface *iface;
- for (j = 0; j < port->n_ifaces; j++) {
- iface_update_qos(port->ifaces[j], port->cfg->qos);
+ port_reconfigure_lacp(port);
+ port_reconfigure_bond(port);
+
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
+ iface_update_qos(iface, port->cfg->qos);
+ netdev_set_policing(iface->netdev,
+ iface->cfg->ingress_policing_rate,
+ iface->cfg->ingress_policing_burst);
+ iface_set_mac(iface);
}
}
}
- LIST_FOR_EACH (br, node, &all_bridges) {
- iterate_and_prune_ifaces(br, set_iface_properties, NULL);
- }
+ /* Some reconfiguration operations require the bridge to have been run at
+ * least once. */
LIST_FOR_EACH (br, node, &all_bridges) {
struct iface *iface;
+
+ bridge_run_one(br);
+
HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
iface_update_cfm(iface);
}
}
free(managers);
+
+ /* ovs-vswitchd has completed initialization, so allow the process that
+ * forked us to exit successfully. */
+ daemonize_complete();
}
static const char *
struct iface **hw_addr_iface)
{
const char *hwaddr;
- size_t i, j;
+ struct port *port;
int error;
*hw_addr_iface = NULL;
/* Otherwise choose the minimum non-local MAC address among all of the
* interfaces. */
- memset(ea, 0xff, sizeof ea);
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
+ memset(ea, 0xff, ETH_ADDR_LEN);
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
uint8_t iface_ea[ETH_ADDR_LEN];
+ struct iface *candidate;
struct iface *iface;
/* Mirror output ports don't participate. */
}
/* Choose the MAC address to represent the port. */
+ iface = NULL;
if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
/* Find the interface with this Ethernet address (if any) so that
* we can provide the correct devname to the caller. */
- iface = NULL;
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *candidate = port->ifaces[j];
+ LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
uint8_t candidate_ea[ETH_ADDR_LEN];
if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
&& eth_addr_equals(iface_ea, candidate_ea)) {
* scripts always add slaves to a bond in alphabetical order, so
* for compatibility we choose the interface with the name that is
* first in alphabetical order. */
- iface = port->ifaces[0];
- for (j = 1; j < port->n_ifaces; j++) {
- struct iface *candidate = port->ifaces[j];
- if (strcmp(candidate->name, iface->name) < 0) {
+ LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
+ if (!iface || strcmp(candidate->name, iface->name) < 0) {
iface = candidate;
}
}
!eth_addr_is_local(iface_ea) &&
!eth_addr_is_reserved(iface_ea) &&
!eth_addr_is_zero(iface_ea) &&
- memcmp(iface_ea, ea, ETH_ADDR_LEN) < 0)
+ eth_addr_compare_3way(iface_ea, ea) < 0)
{
memcpy(ea, iface_ea, ETH_ADDR_LEN);
*hw_addr_iface = iface;
}
static void
+iface_refresh_status(struct iface *iface)
+{
+ struct shash sh;
+
+ enum netdev_flags flags;
+ uint32_t current;
+ int64_t bps;
+ int mtu;
+ int64_t mtu_64;
+ int error;
+
+ if (iface_is_synthetic(iface)) {
+ return;
+ }
+
+ shash_init(&sh);
+
+ if (!netdev_get_status(iface->netdev, &sh)) {
+ size_t n;
+ char **keys, **values;
+
+ shash_to_ovs_idl_map(&sh, &keys, &values, &n);
+ ovsrec_interface_set_status(iface->cfg, keys, values, n);
+
+ free(keys);
+ free(values);
+ } else {
+ ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0);
+ }
+
+ shash_destroy_free_data(&sh);
+
+ error = netdev_get_flags(iface->netdev, &flags);
+ if (!error) {
+ ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down");
+ }
+ else {
+ ovsrec_interface_set_admin_state(iface->cfg, NULL);
+ }
+
+ error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
+ if (!error) {
+ ovsrec_interface_set_duplex(iface->cfg,
+ netdev_features_is_full_duplex(current)
+ ? "full" : "half");
+ /* warning: uint64_t -> int64_t conversion */
+ bps = netdev_features_to_bps(current);
+ ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
+ }
+ else {
+ ovsrec_interface_set_duplex(iface->cfg, NULL);
+ ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
+ }
+
+
+ ovsrec_interface_set_link_state(iface->cfg,
+ iface_get_carrier(iface) ? "up" : "down");
+
+ error = netdev_get_mtu(iface->netdev, &mtu);
+ if (!error && mtu != INT_MAX) {
+ mtu_64 = mtu;
+ ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
+ }
+ else {
+ ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
+ }
+}
+
+/* Writes 'iface''s CFM statistics to the database. Returns true if anything
+ * changed, false otherwise. */
+static bool
iface_refresh_cfm_stats(struct iface *iface)
{
- size_t i;
- struct cfm *cfm;
const struct ovsrec_monitor *mon;
+ const struct cfm *cfm;
+ bool changed = false;
+ size_t i;
mon = iface->cfg->monitor;
- cfm = iface->cfm;
+ cfm = ofproto_iface_get_cfm(iface->port->bridge->ofproto, iface->dp_ifidx);
if (!cfm || !mon) {
- return;
+ return false;
}
for (i = 0; i < mon->n_remote_mps; i++) {
mp = mon->remote_mps[i];
rmp = cfm_get_remote_mp(cfm, mp->mpid);
- ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1);
- }
-
- if (hmap_is_empty(&cfm->x_remote_mps)) {
- ovsrec_monitor_set_unexpected_remote_mpids(mon, NULL, 0);
- } else {
- size_t length;
- struct remote_mp *rmp;
- int64_t *x_remote_mps;
-
- length = hmap_count(&cfm->x_remote_mps);
- x_remote_mps = xzalloc(length * sizeof *x_remote_mps);
-
- i = 0;
- HMAP_FOR_EACH (rmp, node, &cfm->x_remote_mps) {
- x_remote_mps[i++] = rmp->mpid;
+ if (mp->n_fault != 1 || mp->fault[0] != rmp->fault) {
+ ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1);
+ changed = true;
}
-
- ovsrec_monitor_set_unexpected_remote_mpids(mon, x_remote_mps, length);
- free(x_remote_mps);
}
- if (hmap_is_empty(&cfm->x_remote_maids)) {
- ovsrec_monitor_set_unexpected_remote_maids(mon, NULL, 0);
- } else {
- size_t length;
- char **x_remote_maids;
- struct remote_maid *rmaid;
-
- length = hmap_count(&cfm->x_remote_maids);
- x_remote_maids = xzalloc(length * sizeof *x_remote_maids);
+ if (mon->n_fault != 1 || mon->fault[0] != cfm->fault) {
+ ovsrec_monitor_set_fault(mon, &cfm->fault, 1);
+ changed = true;
+ }
- i = 0;
- HMAP_FOR_EACH (rmaid, node, &cfm->x_remote_maids) {
- size_t j;
+ return changed;
+}
- x_remote_maids[i] = xzalloc(CCM_MAID_LEN * 2 + 1);
+static bool
+iface_refresh_lacp_stats(struct iface *iface)
+{
+ bool *db_current = iface->cfg->lacp_current;
+ bool changed = false;
- for (j = 0; j < CCM_MAID_LEN; j++) {
- snprintf(&x_remote_maids[i][j * 2], 3, "%02hhx",
- rmaid->maid[j]);
- }
- i++;
- }
- ovsrec_monitor_set_unexpected_remote_maids(mon, x_remote_maids, length);
+ if (iface->port->lacp) {
+ bool current = lacp_slave_is_current(iface->port->lacp, iface);
- for (i = 0; i < length; i++) {
- free(x_remote_maids[i]);
+ if (!db_current || *db_current != current) {
+ changed = true;
+ ovsrec_interface_set_lacp_current(iface->cfg, ¤t, 1);
}
- free(x_remote_maids);
+ } else if (db_current) {
+ changed = true;
+ ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
}
- ovsrec_monitor_set_fault(mon, &cfm->fault, 1);
+ return changed;
}
static void
struct netdev_stats stats;
+ if (iface_is_synthetic(iface)) {
+ return;
+ }
+
/* Intentionally ignore return value, since errors will set 'stats' to
* all-1s, and we will deal with that correctly below. */
netdev_get_stats(iface->netdev, &stats);
&datum);
}
+static inline const char *
+nx_role_to_str(enum nx_role role)
+{
+ switch (role) {
+ case NX_ROLE_OTHER:
+ return "other";
+ case NX_ROLE_MASTER:
+ return "master";
+ case NX_ROLE_SLAVE:
+ return "slave";
+ default:
+ return "*** INVALID ROLE ***";
+ }
+}
+
+static void
+bridge_refresh_controller_status(const struct bridge *br)
+{
+ struct shash info;
+ const struct ovsrec_controller *cfg;
+
+ ofproto_get_ofproto_controller_info(br->ofproto, &info);
+
+ OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
+ struct ofproto_controller_info *cinfo =
+ shash_find_data(&info, cfg->target);
+
+ if (cinfo) {
+ ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
+ ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
+ ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys,
+ (char **) cinfo->pairs.values,
+ cinfo->pairs.n);
+ } else {
+ ovsrec_controller_set_is_connected(cfg, false);
+ ovsrec_controller_set_role(cfg, NULL);
+ ovsrec_controller_set_status(cfg, NULL, NULL, 0);
+ }
+ }
+
+ ofproto_free_ofproto_controller_info(&info);
+}
+
void
bridge_run(void)
{
/* (Re)configure if necessary. */
database_changed = ovsdb_idl_run(idl);
cfg = ovsrec_open_vswitch_first(idl);
+#ifdef HAVE_OPENSSL
+ /* Re-configure SSL. We do this on every trip through the main loop,
+ * instead of just when the database changes, because the contents of the
+ * key and certificate files can change without the database changing.
+ *
+ * We do this before bridge_reconfigure() because that function might
+ * initiate SSL connections and thus requires SSL to be configured. */
+ if (cfg && cfg->ssl) {
+ const struct ovsrec_ssl *ssl = cfg->ssl;
+
+ stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
+ stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
+ }
+#endif
if (database_changed || datapath_destroyed) {
if (cfg) {
struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
}
}
-#ifdef HAVE_OPENSSL
- /* Re-configure SSL. We do this on every trip through the main loop,
- * instead of just when the database changes, because the contents of the
- * key and certificate files can change without the database changing. */
- if (cfg && cfg->ssl) {
- const struct ovsrec_ssl *ssl = cfg->ssl;
-
- stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
- stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
- }
-#endif
-
/* Refresh system and interface stats if necessary. */
if (time_msec() >= stats_timer) {
if (cfg) {
txn = ovsdb_idl_txn_create(idl);
LIST_FOR_EACH (br, node, &all_bridges) {
- size_t i;
+ struct port *port;
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- size_t j;
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ struct iface *iface;
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
iface_refresh_stats(iface);
- iface_refresh_cfm_stats(iface);
+ iface_refresh_status(iface);
}
}
+ bridge_refresh_controller_status(br);
}
refresh_system_stats(cfg);
ovsdb_idl_txn_commit(txn);
stats_timer = time_msec() + STATS_INTERVAL;
}
+
+ if (time_msec() >= db_limiter) {
+ struct ovsdb_idl_txn *txn;
+ bool changed = false;
+
+ txn = ovsdb_idl_txn_create(idl);
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ struct port *port;
+
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ struct iface *iface;
+
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
+ changed = iface_refresh_cfm_stats(iface) || changed;
+ changed = iface_refresh_lacp_stats(iface) || changed;
+ }
+ }
+ }
+
+ if (changed) {
+ db_limiter = time_msec() + DB_LIMIT_INTERVAL;
+ }
+
+ ovsdb_idl_txn_commit(txn);
+ ovsdb_idl_txn_destroy(txn);
+ }
}
void
bridge_wait(void)
{
struct bridge *br;
- struct iface *iface;
LIST_FOR_EACH (br, node, &all_bridges) {
- ofproto_wait(br->ofproto);
- if (ofproto_has_primary_controller(br->ofproto)) {
- continue;
- }
+ struct port *port;
+ ofproto_wait(br->ofproto);
mac_learning_wait(br->ml);
- bond_wait(br);
-
- HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
- if (iface->cfm) {
- cfm_wait(iface->cfm);
- }
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ port_wait(port);
}
}
ovsdb_idl_wait(idl);
poll_timer_wait_until(stats_timer);
+
+ if (db_limiter > time_msec()) {
+ poll_timer_wait_until(db_limiter);
+ }
}
/* Forces 'br' to revalidate all of its flows. This is appropriate when 'br''s
{
COVERAGE_INC(bridge_flush);
br->flush = true;
- mac_learning_flush(br->ml);
-}
-
-/* Returns the 'br' interface for the ODPP_LOCAL port, or null if 'br' has no
- * such interface. */
-static struct iface *
-bridge_get_local_iface(struct bridge *br)
-{
- size_t i, j;
-
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
- if (iface->dp_ifidx == ODPP_LOCAL) {
- return iface;
- }
- }
- }
-
- return NULL;
}
\f
/* Bridge unixctl user interface functions. */
ds_put_cstr(&ds, " port VLAN MAC Age\n");
LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
- if (e->port < 0 || e->port >= br->n_ports) {
- continue;
- }
+ struct port *port = e->port.p;
ds_put_format(&ds, "%5d %4d "ETH_ADDR_FMT" %3d\n",
- br->ports[e->port]->ifaces[0]->dp_ifidx,
+ port_get_an_iface(port)->dp_ifidx,
e->vlan, ETH_ADDR_ARGS(e->mac), mac_entry_age(e));
}
unixctl_command_reply(conn, 200, ds_cstr(&ds));
ds_destroy(&ds);
}
\f
-/* Bridge reconfiguration functions. */
-static struct bridge *
-bridge_create(const struct ovsrec_bridge *br_cfg)
+/* CFM unixctl user interface functions. */
+static void
+cfm_unixctl_show(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
{
- struct bridge *br;
- int error;
-
- assert(!bridge_lookup(br_cfg->name));
- br = xzalloc(sizeof *br);
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ struct iface *iface;
+ const struct cfm *cfm;
- error = dpif_create_and_open(br_cfg->name, br_cfg->datapath_type,
- &br->dpif);
- if (error) {
- free(br);
- return NULL;
+ iface = iface_find(args);
+ if (!iface) {
+ unixctl_command_reply(conn, 501, "no such interface");
+ return;
}
- dpif_flow_flush(br->dpif);
- error = ofproto_create(br_cfg->name, br_cfg->datapath_type, &bridge_ofhooks,
- br, &br->ofproto);
- if (error) {
- VLOG_ERR("failed to create switch %s: %s", br_cfg->name,
- strerror(error));
- dpif_delete(br->dpif);
- dpif_close(br->dpif);
- free(br);
- return NULL;
- }
+ cfm = ofproto_iface_get_cfm(iface->port->bridge->ofproto, iface->dp_ifidx);
- br->name = xstrdup(br_cfg->name);
- br->cfg = br_cfg;
- br->ml = mac_learning_create();
- eth_addr_nicira_random(br->default_ea);
+ if (!cfm) {
+ unixctl_command_reply(conn, 501, "CFM not enabled");
+ return;
+ }
- hmap_init(&br->ifaces);
+ cfm_dump_ds(cfm, &ds);
+ unixctl_command_reply(conn, 200, ds_cstr(&ds));
+ ds_destroy(&ds);
+}
+\f
+/* QoS unixctl user interface functions. */
- shash_init(&br->port_by_name);
+struct qos_unixctl_show_cbdata {
+ struct ds *ds;
+ struct iface *iface;
+};
+
+static void
+qos_unixctl_show_cb(unsigned int queue_id,
+ const struct shash *details,
+ void *aux)
+{
+ struct qos_unixctl_show_cbdata *data = aux;
+ struct ds *ds = data->ds;
+ struct iface *iface = data->iface;
+ struct netdev_queue_stats stats;
+ struct shash_node *node;
+ int error;
+
+ ds_put_cstr(ds, "\n");
+ if (queue_id) {
+ ds_put_format(ds, "Queue %u:\n", queue_id);
+ } else {
+ ds_put_cstr(ds, "Default:\n");
+ }
+
+ SHASH_FOR_EACH (node, details) {
+ ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data);
+ }
+
+ error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
+ if (!error) {
+ if (stats.tx_packets != UINT64_MAX) {
+ ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
+ }
+
+ if (stats.tx_bytes != UINT64_MAX) {
+ ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
+ }
+
+ if (stats.tx_errors != UINT64_MAX) {
+ ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
+ }
+ } else {
+ ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
+ queue_id, strerror(error));
+ }
+}
+
+static void
+qos_unixctl_show(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ struct shash sh = SHASH_INITIALIZER(&sh);
+ struct iface *iface;
+ const char *type;
+ struct shash_node *node;
+ struct qos_unixctl_show_cbdata data;
+ int error;
+
+ iface = iface_find(args);
+ if (!iface) {
+ unixctl_command_reply(conn, 501, "no such interface");
+ return;
+ }
+
+ netdev_get_qos(iface->netdev, &type, &sh);
+
+ if (*type != '\0') {
+ ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
+
+ SHASH_FOR_EACH (node, &sh) {
+ ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data);
+ }
+
+ data.ds = &ds;
+ data.iface = iface;
+ error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
+
+ if (error) {
+ ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
+ }
+ unixctl_command_reply(conn, 200, ds_cstr(&ds));
+ } else {
+ ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
+ unixctl_command_reply(conn, 501, ds_cstr(&ds));
+ }
+
+ shash_destroy_free_data(&sh);
+ ds_destroy(&ds);
+}
+\f
+/* Bridge reconfiguration functions. */
+static struct bridge *
+bridge_create(const struct ovsrec_bridge *br_cfg)
+{
+ struct bridge *br;
+ int error;
+
+ assert(!bridge_lookup(br_cfg->name));
+ br = xzalloc(sizeof *br);
+
+ error = dpif_create_and_open(br_cfg->name, br_cfg->datapath_type,
+ &br->dpif);
+ if (error) {
+ free(br);
+ return NULL;
+ }
+
+ error = ofproto_create(br_cfg->name, br_cfg->datapath_type, &bridge_ofhooks,
+ br, &br->ofproto);
+ if (error) {
+ VLOG_ERR("failed to create switch %s: %s", br_cfg->name,
+ strerror(error));
+ dpif_delete(br->dpif);
+ dpif_close(br->dpif);
+ free(br);
+ return NULL;
+ }
+
+ br->name = xstrdup(br_cfg->name);
+ br->cfg = br_cfg;
+ br->ml = mac_learning_create();
+ eth_addr_nicira_random(br->default_ea);
+
+ hmap_init(&br->ports);
+ hmap_init(&br->ifaces);
shash_init(&br->iface_by_name);
br->flush = false;
list_push_back(&all_bridges, &br->node);
- VLOG_INFO("created bridge %s on %s", br->name, dpif_name(br->dpif));
+ VLOG_INFO("bridge %s: created", br->name);
return br;
}
bridge_destroy(struct bridge *br)
{
if (br) {
+ struct port *port, *next;
int error;
+ int i;
- while (br->n_ports > 0) {
- port_destroy(br->ports[br->n_ports - 1]);
+ HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
+ port_destroy(port);
+ }
+ for (i = 0; i < MAX_MIRRORS; i++) {
+ mirror_destroy(br->mirrors[i]);
}
list_remove(&br->node);
+ ofproto_destroy(br->ofproto);
error = dpif_delete(br->dpif);
if (error && error != ENOENT) {
- VLOG_ERR("failed to delete %s: %s",
- dpif_name(br->dpif), strerror(error));
+ VLOG_ERR("bridge %s: failed to destroy (%s)",
+ br->name, strerror(error));
}
dpif_close(br->dpif);
- ofproto_destroy(br->ofproto);
mac_learning_destroy(br->ml);
hmap_destroy(&br->ifaces);
- shash_destroy(&br->port_by_name);
+ hmap_destroy(&br->ports);
shash_destroy(&br->iface_by_name);
- free(br->ports);
+ free(br->synth_local_iface.type);
free(br->name);
free(br);
}
static int
bridge_run_one(struct bridge *br)
{
+ struct port *port;
int error;
- struct iface *iface;
error = ofproto_run1(br->ofproto);
if (error) {
}
mac_learning_run(br->ml, ofproto_get_revalidate_set(br->ofproto));
- bond_run(br);
+
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ port_run(port);
+ }
error = ofproto_run2(br->ofproto, br->flush);
br->flush = false;
- HMAP_FOR_EACH (iface, dp_ifidx_node, &br->ifaces) {
- struct ofpbuf *packet;
-
- if (!iface->cfm) {
- continue;
- }
-
- packet = cfm_run(iface->cfm);
- if (packet) {
- iface_send_packet(iface, packet);
- ofpbuf_uninit(packet);
- free(packet);
- }
- }
-
return error;
}
static void
bridge_reconfigure_one(struct bridge *br)
{
- struct shash old_ports, new_ports;
- struct svec snoops, old_snoops;
- struct shash_node *node;
enum ofproto_fail_mode fail_mode;
+ struct port *port, *next;
+ struct shash_node *node;
+ struct shash new_ports;
size_t i;
- /* Collect old ports. */
- shash_init(&old_ports);
- for (i = 0; i < br->n_ports; i++) {
- shash_add(&old_ports, br->ports[i]->name, br->ports[i]);
- }
-
/* Collect new ports. */
shash_init(&new_ports);
for (i = 0; i < br->cfg->n_ports; i++) {
br->name, name);
}
}
+ if (!shash_find(&new_ports, br->name)) {
+ struct dpif_port dpif_port;
+ char *type;
- /* If we have a controller, then we need a local port. Complain if the
- * user didn't specify one.
- *
- * XXX perhaps we should synthesize a port ourselves in this case. */
- if (bridge_get_controllers(br, NULL)) {
- char local_name[IF_NAMESIZE];
- int error;
+ VLOG_WARN("bridge %s: no port named %s, synthesizing one",
+ br->name, br->name);
- error = dpif_port_get_name(br->dpif, ODPP_LOCAL,
- local_name, sizeof local_name);
- if (!error && !shash_find(&new_ports, local_name)) {
- VLOG_WARN("bridge %s: controller specified but no local port "
- "(port named %s) defined",
- br->name, local_name);
- }
+ dpif_port_query_by_number(br->dpif, ODPP_LOCAL, &dpif_port);
+ type = xstrdup(dpif_port.type ? dpif_port.type : "internal");
+ dpif_port_destroy(&dpif_port);
+
+ br->synth_local_port.interfaces = &br->synth_local_ifacep;
+ br->synth_local_port.n_interfaces = 1;
+ br->synth_local_port.name = br->name;
+
+ br->synth_local_iface.name = br->name;
+ free(br->synth_local_iface.type);
+ br->synth_local_iface.type = type;
+
+ br->synth_local_ifacep = &br->synth_local_iface;
+
+ shash_add(&new_ports, br->name, &br->synth_local_port);
}
/* Get rid of deleted ports.
* Get rid of deleted interfaces on ports that still exist. */
- SHASH_FOR_EACH (node, &old_ports) {
- struct port *port = node->data;
+ HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
const struct ovsrec_port *port_cfg;
- port_cfg = shash_find_data(&new_ports, node->name);
+ port_cfg = shash_find_data(&new_ports, port->name);
if (!port_cfg) {
port_destroy(port);
} else {
* Add new interfaces to existing ports.
* Reconfigure existing ports. */
SHASH_FOR_EACH (node, &new_ports) {
- struct port *port = shash_find_data(&old_ports, node->name);
+ struct port *port = port_lookup(br, node->name);
if (!port) {
port = port_create(br, node->name);
}
port_reconfigure(port, node->data);
- if (!port->n_ifaces) {
+ if (list_is_empty(&port->ifaces)) {
VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
br->name, port->name);
port_destroy(port);
}
}
- shash_destroy(&old_ports);
shash_destroy(&new_ports);
/* Set the fail-mode */
|| !strcmp(br->cfg->fail_mode, "standalone")
? OFPROTO_FAIL_STANDALONE
: OFPROTO_FAIL_SECURE;
- if (ofproto_get_fail_mode(br->ofproto) != fail_mode
- && !ofproto_has_primary_controller(br->ofproto)) {
- ofproto_flush_flows(br->ofproto);
- }
ofproto_set_fail_mode(br->ofproto, fail_mode);
- /* Delete all flows if we're switching from connected to standalone or vice
- * versa. (XXX Should we delete all flows if we are switching from one
- * controller to another?) */
-
/* Configure OpenFlow controller connection snooping. */
- svec_init(&snoops);
- svec_add_nocopy(&snoops, xasprintf("punix:%s/%s.snoop",
- ovs_rundir(), br->name));
- svec_init(&old_snoops);
- ofproto_get_snoops(br->ofproto, &old_snoops);
- if (!svec_equal(&snoops, &old_snoops)) {
+ if (!ofproto_has_snoops(br->ofproto)) {
+ struct sset snoops;
+
+ sset_init(&snoops);
+ sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
+ ovs_rundir(), br->name));
ofproto_set_snoops(br->ofproto, &snoops);
+ sset_destroy(&snoops);
}
- svec_destroy(&snoops);
- svec_destroy(&old_snoops);
mirror_reconfigure(br);
}
oc->max_backoff = 0;
oc->probe_interval = 60;
oc->band = OFPROTO_OUT_OF_BAND;
- oc->accept_re = NULL;
- oc->update_resolv_conf = false;
oc->rate_limit = 0;
oc->burst_limit = 0;
}
oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
- oc->accept_re = c->discover_accept_regex;
- oc->update_resolv_conf = c->discover_update_resolv_conf;
oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
oc->burst_limit = (c->controller_burst_limit
? *c->controller_burst_limit : 0);
struct iface *local_iface;
struct in_addr ip;
- /* Controller discovery does its own TCP/IP configuration later. */
- if (strcmp(c->target, "discover")) {
- return;
- }
-
/* If there's no local interface or no IP address, give up. */
- local_iface = bridge_get_local_iface(br);
+ local_iface = iface_from_dp_ifidx(br, ODPP_LOCAL);
if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
return;
}
struct ovsrec_controller **controllers;
size_t n_controllers;
- bool had_primary;
struct ofproto_controller *ocs;
size_t n_ocs;
} else {
ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
}
- had_primary = ofproto_has_primary_controller(br->ofproto);
n_controllers = bridge_get_controllers(br, &controllers);
/* Prevent remote ovsdb-server users from accessing arbitrary Unix
* domain sockets and overwriting arbitrary local files. */
- VLOG_ERR_RL(&rl, "%s: not adding Unix domain socket controller "
- "\"%s\" due to possibility for remote exploit",
- dpif_name(br->dpif), c->target);
+ VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket "
+ "controller \"%s\" due to possibility for remote "
+ "exploit", br->name, c->target);
continue;
}
ofproto_set_controllers(br->ofproto, ocs, n_ocs);
free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
free(ocs);
-
- if (had_primary != ofproto_has_primary_controller(br->ofproto)) {
- ofproto_flush_flows(br->ofproto);
- }
-
- /* If there are no controllers and the bridge is in standalone
- * mode, set up a flow that matches every packet and directs
- * them to OFPP_NORMAL (which goes to us). Otherwise, the
- * switch is in secure mode and we won't pass any traffic until
- * a controller has been defined and it tells us to do so. */
- if (!n_controllers
- && ofproto_get_fail_mode(br->ofproto) == OFPROTO_FAIL_STANDALONE) {
- union ofp_action action;
- struct cls_rule rule;
-
- memset(&action, 0, sizeof action);
- action.type = htons(OFPAT_OUTPUT);
- action.output.len = htons(sizeof action);
- action.output.port = htons(OFPP_NORMAL);
- cls_rule_init_catchall(&rule, 0);
- ofproto_add_flow(br->ofproto, &rule, &action, 1);
- }
}
static void
bridge_get_all_ifaces(const struct bridge *br, struct shash *ifaces)
{
- size_t i, j;
+ struct port *port;
shash_init(ifaces);
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ struct iface *iface;
+
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
shash_add_once(ifaces, iface->name, iface);
}
- if (port->n_ifaces > 1 && port->cfg->bond_fake_iface) {
+ if (!list_is_short(&port->ifaces) && port->cfg->bond_fake_iface) {
shash_add_once(ifaces, port->name, NULL);
}
}
static void
bridge_fetch_dp_ifaces(struct bridge *br)
{
- struct odp_port *dpif_ports;
- size_t n_dpif_ports;
- size_t i, j;
+ struct dpif_port_dump dump;
+ struct dpif_port dpif_port;
+ struct port *port;
/* Reset all interface numbers. */
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ struct iface *iface;
+
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
iface->dp_ifidx = -1;
}
}
hmap_clear(&br->ifaces);
- dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
- for (i = 0; i < n_dpif_ports; i++) {
- struct odp_port *p = &dpif_ports[i];
- struct iface *iface = iface_lookup(br, p->devname);
+ DPIF_PORT_FOR_EACH (&dpif_port, &dump, br->dpif) {
+ struct iface *iface = iface_lookup(br, dpif_port.name);
if (iface) {
if (iface->dp_ifidx >= 0) {
- VLOG_WARN("%s reported interface %s twice",
- dpif_name(br->dpif), p->devname);
- } else if (iface_from_dp_ifidx(br, p->port)) {
- VLOG_WARN("%s reported interface %"PRIu16" twice",
- dpif_name(br->dpif), p->port);
+ VLOG_WARN("bridge %s: interface %s reported twice",
+ br->name, dpif_port.name);
+ } else if (iface_from_dp_ifidx(br, dpif_port.port_no)) {
+ VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
+ br->name, dpif_port.port_no);
} else {
- iface->dp_ifidx = p->port;
+ iface->dp_ifidx = dpif_port.port_no;
hmap_insert(&br->ifaces, &iface->dp_ifidx_node,
hash_int(iface->dp_ifidx, 0));
}
: -1));
}
}
- free(dpif_ports);
}
\f
/* Bridge packet processing functions. */
-static int
-bond_hash(const uint8_t mac[ETH_ADDR_LEN])
-{
- return hash_bytes(mac, ETH_ADDR_LEN, 0) & BOND_MASK;
-}
-
-static struct bond_entry *
-lookup_bond_entry(const struct port *port, const uint8_t mac[ETH_ADDR_LEN])
-{
- return &port->bond_hash[bond_hash(mac)];
-}
-
-static int
-bond_choose_iface(const struct port *port)
-{
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
- size_t i, best_down_slave = -1;
- long long next_delay_expiration = LLONG_MAX;
-
- for (i = 0; i < port->n_ifaces; i++) {
- struct iface *iface = port->ifaces[i];
-
- if (iface->enabled) {
- return i;
- } else if (iface->delay_expires < next_delay_expiration) {
- best_down_slave = i;
- next_delay_expiration = iface->delay_expires;
- }
- }
-
- if (best_down_slave != -1) {
- struct iface *iface = port->ifaces[best_down_slave];
-
- VLOG_INFO_RL(&rl, "interface %s: skipping remaining %lli ms updelay "
- "since no other interface is up", iface->name,
- iface->delay_expires - time_msec());
- bond_enable_slave(iface, true);
- }
-
- return best_down_slave;
-}
-
static bool
-choose_output_iface(const struct port *port, const uint8_t *dl_src,
- uint16_t *dp_ifidx, tag_type *tags)
-{
- struct iface *iface;
-
- assert(port->n_ifaces);
- if (port->n_ifaces == 1) {
- iface = port->ifaces[0];
- } else {
- struct bond_entry *e = lookup_bond_entry(port, dl_src);
- if (e->iface_idx < 0 || e->iface_idx >= port->n_ifaces
- || !port->ifaces[e->iface_idx]->enabled) {
- /* XXX select interface properly. The current interface selection
- * is only good for testing the rebalancing code. */
- e->iface_idx = bond_choose_iface(port);
- if (e->iface_idx < 0) {
- *tags |= port->no_ifaces_tag;
- return false;
- }
- e->iface_tag = tag_create_random();
- ((struct port *) port)->bond_compat_is_stale = true;
- }
- *tags |= e->iface_tag;
- iface = port->ifaces[e->iface_idx];
- }
- *dp_ifidx = iface->dp_ifidx;
- *tags |= iface->tag; /* Currently only used for bonding. */
- return true;
-}
-
-static void
-bond_link_status_update(struct iface *iface, bool carrier)
+set_dst(struct dst *dst, const struct flow *flow,
+ const struct port *in_port, const struct port *out_port,
+ tag_type *tags)
{
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
- struct port *port = iface->port;
-
- if ((carrier == iface->enabled) == (iface->delay_expires == LLONG_MAX)) {
- /* Nothing to do. */
- return;
- }
- VLOG_INFO_RL(&rl, "interface %s: carrier %s",
- iface->name, carrier ? "detected" : "dropped");
- if (carrier == iface->enabled) {
- iface->delay_expires = LLONG_MAX;
- VLOG_INFO_RL(&rl, "interface %s: will not be %s",
- iface->name, carrier ? "disabled" : "enabled");
- } else if (carrier && port->active_iface < 0) {
- bond_enable_slave(iface, true);
- if (port->updelay) {
- VLOG_INFO_RL(&rl, "interface %s: skipping %d ms updelay since no "
- "other interface is up", iface->name, port->updelay);
- }
- } else {
- int delay = carrier ? port->updelay : port->downdelay;
- iface->delay_expires = time_msec() + delay;
- if (delay) {
- VLOG_INFO_RL(&rl,
- "interface %s: will be %s if it stays %s for %d ms",
- iface->name,
- carrier ? "enabled" : "disabled",
- carrier ? "up" : "down",
- delay);
- }
- }
-}
+ dst->vlan = (out_port->vlan >= 0 ? OFP_VLAN_NONE
+ : in_port->vlan >= 0 ? in_port->vlan
+ : flow->vlan_tci == 0 ? OFP_VLAN_NONE
+ : vlan_tci_to_vid(flow->vlan_tci));
-static void
-bond_choose_active_iface(struct port *port)
-{
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(5, 20);
+ dst->iface = (!out_port->bond
+ ? port_get_an_iface(out_port)
+ : bond_choose_output_slave(out_port->bond, flow,
+ dst->vlan, tags));
- port->active_iface = bond_choose_iface(port);
- port->active_iface_tag = tag_create_random();
- if (port->active_iface >= 0) {
- VLOG_INFO_RL(&rl, "port %s: active interface is now %s",
- port->name, port->ifaces[port->active_iface]->name);
- } else {
- VLOG_WARN_RL(&rl, "port %s: all ports disabled, no active interface",
- port->name);
- }
+ return dst->iface != NULL;
}
-static void
-bond_enable_slave(struct iface *iface, bool enable)
+static int
+mirror_mask_ffs(mirror_mask_t mask)
{
- struct port *port = iface->port;
- struct bridge *br = port->bridge;
-
- /* This acts as a recursion check. If the act of disabling a slave
- * causes a different slave to be enabled, the flag will allow us to
- * skip redundant work when we reenter this function. It must be
- * cleared on exit to keep things safe with multiple bonds. */
- static bool moving_active_iface = false;
-
- iface->delay_expires = LLONG_MAX;
- if (enable == iface->enabled) {
- return;
- }
-
- iface->enabled = enable;
- if (!iface->enabled) {
- VLOG_WARN("interface %s: disabled", iface->name);
- ofproto_revalidate(br->ofproto, iface->tag);
- if (iface->port_ifidx == port->active_iface) {
- ofproto_revalidate(br->ofproto,
- port->active_iface_tag);
-
- /* Disabling a slave can lead to another slave being immediately
- * enabled if there will be no active slaves but one is waiting
- * on an updelay. In this case we do not need to run most of the
- * code for the newly enabled slave since there was no period
- * without an active slave and it is redundant with the disabling
- * path. */
- moving_active_iface = true;
- bond_choose_active_iface(port);
- }
- bond_send_learning_packets(port);
- } else {
- VLOG_WARN("interface %s: enabled", iface->name);
- if (port->active_iface < 0 && !moving_active_iface) {
- ofproto_revalidate(br->ofproto, port->no_ifaces_tag);
- bond_choose_active_iface(port);
- bond_send_learning_packets(port);
- }
- iface->tag = tag_create_random();
- }
-
- moving_active_iface = false;
- port->bond_compat_is_stale = true;
+ BUILD_ASSERT_DECL(sizeof(unsigned int) >= sizeof(mask));
+ return ffs(mask);
}
-/* Attempts to make the sum of the bond slaves' statistics appear on the fake
- * bond interface. */
static void
-bond_update_fake_iface_stats(struct port *port)
+dst_set_init(struct dst_set *set)
{
- struct netdev_stats bond_stats;
- struct netdev *bond_dev;
- size_t i;
-
- memset(&bond_stats, 0, sizeof bond_stats);
-
- for (i = 0; i < port->n_ifaces; i++) {
- struct netdev_stats slave_stats;
-
- if (!netdev_get_stats(port->ifaces[i]->netdev, &slave_stats)) {
- /* XXX: We swap the stats here because they are swapped back when
- * reported by the internal device. The reason for this is
- * internal devices normally represent packets going into the system
- * but when used as fake bond device they represent packets leaving
- * the system. We really should do this in the internal device
- * itself because changing it here reverses the counts from the
- * perspective of the switch. However, the internal device doesn't
- * know what type of device it represents so we have to do it here
- * for now. */
- bond_stats.tx_packets += slave_stats.rx_packets;
- bond_stats.tx_bytes += slave_stats.rx_bytes;
- bond_stats.rx_packets += slave_stats.tx_packets;
- bond_stats.rx_bytes += slave_stats.tx_bytes;
- }
- }
-
- if (!netdev_open_default(port->name, &bond_dev)) {
- netdev_set_stats(bond_dev, &bond_stats);
- netdev_close(bond_dev);
- }
+ set->dsts = set->builtin;
+ set->n = 0;
+ set->allocated = ARRAY_SIZE(set->builtin);
}
static void
-bond_run(struct bridge *br)
+dst_set_add(struct dst_set *set, const struct dst *dst)
{
- size_t i, j;
-
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
+ if (set->n >= set->allocated) {
+ size_t new_allocated;
+ struct dst *new_dsts;
- if (port->n_ifaces >= 2) {
- char *devname;
+ new_allocated = set->allocated * 2;
+ new_dsts = xmalloc(new_allocated * sizeof *new_dsts);
+ memcpy(new_dsts, set->dsts, set->n * sizeof *new_dsts);
- /* Track carrier going up and down on interfaces. */
- while (!netdev_monitor_poll(port->monitor, &devname)) {
- struct iface *iface;
-
- iface = port_lookup_iface(port, devname);
- if (iface) {
- bool carrier = netdev_get_carrier(iface->netdev);
-
- bond_link_status_update(iface, carrier);
- port_update_bond_compat(port);
- }
- free(devname);
- }
-
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
- if (time_msec() >= iface->delay_expires) {
- bond_enable_slave(iface, !iface->enabled);
- }
- }
-
- if (port->bond_fake_iface
- && time_msec() >= port->bond_next_fake_iface_update) {
- bond_update_fake_iface_stats(port);
- port->bond_next_fake_iface_update = time_msec() + 1000;
- }
- }
-
- if (port->bond_compat_is_stale) {
- port->bond_compat_is_stale = false;
- port_update_bond_compat(port);
- }
- }
-}
+ dst_set_free(set);
-static void
-bond_wait(struct bridge *br)
-{
- size_t i, j;
-
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- if (port->n_ifaces < 2) {
- continue;
- }
- netdev_monitor_poll_wait(port->monitor);
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
- if (iface->delay_expires != LLONG_MAX) {
- poll_timer_wait_until(iface->delay_expires);
- }
- }
- if (port->bond_fake_iface) {
- poll_timer_wait_until(port->bond_next_fake_iface_update);
- }
+ set->dsts = new_dsts;
+ set->allocated = new_allocated;
}
+ set->dsts[set->n++] = *dst;
}
-static bool
-set_dst(struct dst *p, const struct flow *flow,
- const struct port *in_port, const struct port *out_port,
- tag_type *tags)
-{
- p->vlan = (out_port->vlan >= 0 ? OFP_VLAN_NONE
- : in_port->vlan >= 0 ? in_port->vlan
- : flow->vlan_tci == 0 ? OFP_VLAN_NONE
- : vlan_tci_to_vid(flow->vlan_tci));
- return choose_output_iface(out_port, flow->dl_src, &p->dp_ifidx, tags);
-}
-
-static void
-swap_dst(struct dst *p, struct dst *q)
-{
- struct dst tmp = *p;
- *p = *q;
- *q = tmp;
-}
-
-/* Moves all the dsts with vlan == 'vlan' to the front of the 'n_dsts' in
- * 'dsts'. (This may help performance by reducing the number of VLAN changes
- * that we push to the datapath. We could in fact fully sort the array by
- * vlan, but in most cases there are at most two different vlan tags so that's
- * possibly overkill.) */
static void
-partition_dsts(struct dst *dsts, size_t n_dsts, int vlan)
+dst_set_free(struct dst_set *set)
{
- struct dst *first = dsts;
- struct dst *last = dsts + n_dsts;
-
- while (first != last) {
- /* Invariants:
- * - All dsts < first have vlan == 'vlan'.
- * - All dsts >= last have vlan != 'vlan'.
- * - first < last. */
- while (first->vlan == vlan) {
- if (++first == last) {
- return;
- }
- }
-
- /* Same invariants, plus one additional:
- * - first->vlan != vlan.
- */
- while (last[-1].vlan != vlan) {
- if (--last == first) {
- return;
- }
- }
-
- /* Same invariants, plus one additional:
- * - last[-1].vlan == vlan.*/
- swap_dst(first++, --last);
+ if (set->dsts != set->builtin) {
+ free(set->dsts);
}
}
-static int
-mirror_mask_ffs(mirror_mask_t mask)
-{
- BUILD_ASSERT_DECL(sizeof(unsigned int) >= sizeof(mask));
- return ffs(mask);
-}
-
static bool
-dst_is_duplicate(const struct dst *dsts, size_t n_dsts,
- const struct dst *test)
+dst_is_duplicate(const struct dst_set *set, const struct dst *test)
{
size_t i;
- for (i = 0; i < n_dsts; i++) {
- if (dsts[i].vlan == test->vlan && dsts[i].dp_ifidx == test->dp_ifidx) {
+ for (i = 0; i < set->n; i++) {
+ if (set->dsts[i].vlan == test->vlan
+ && set->dsts[i].iface == test->iface) {
return true;
}
}
static bool
port_trunks_vlan(const struct port *port, uint16_t vlan)
{
- return (port->vlan < 0
- && (!port->trunks || bitmap_is_set(port->trunks, vlan)));
+ return (port->vlan < 0 || vlan_bitmap_contains(port->trunks, vlan));
}
static bool
static bool
port_is_floodable(const struct port *port)
{
- int i;
+ struct iface *iface;
- for (i = 0; i < port->n_ifaces; i++) {
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
if (!ofproto_port_is_floodable(port->bridge->ofproto,
- port->ifaces[i]->dp_ifidx)) {
+ iface->dp_ifidx)) {
return false;
}
}
return true;
}
-static size_t
+/* Returns an arbitrary interface within 'port'. */
+static struct iface *
+port_get_an_iface(const struct port *port)
+{
+ return CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
+}
+
+static void
compose_dsts(const struct bridge *br, const struct flow *flow, uint16_t vlan,
const struct port *in_port, const struct port *out_port,
- struct dst dsts[], tag_type *tags, uint16_t *nf_output_iface)
+ struct dst_set *set, tag_type *tags, uint16_t *nf_output_iface)
{
- mirror_mask_t mirrors = in_port->src_mirrors;
- int flow_vlan;
- struct dst *dst = dsts;
- size_t i;
-
- flow_vlan = vlan_tci_to_vid(flow->vlan_tci);
- if (flow_vlan == 0) {
- flow_vlan = OFP_VLAN_NONE;
- }
+ struct dst dst;
if (out_port == FLOOD_PORT) {
- /* XXX use ODP_FLOOD if no vlans or bonding. */
- /* XXX even better, define each VLAN as a datapath port group */
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
+ struct port *port;
+
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
if (port != in_port
&& port_is_floodable(port)
&& port_includes_vlan(port, vlan)
&& !port->is_mirror_output_port
- && set_dst(dst, flow, in_port, port, tags)) {
- mirrors |= port->dst_mirrors;
- dst++;
+ && set_dst(&dst, flow, in_port, port, tags)) {
+ dst_set_add(set, &dst);
}
}
*nf_output_iface = NF_OUT_FLOOD;
- } else if (out_port && set_dst(dst, flow, in_port, out_port, tags)) {
- *nf_output_iface = dst->dp_ifidx;
- mirrors |= out_port->dst_mirrors;
- dst++;
+ } else if (out_port && set_dst(&dst, flow, in_port, out_port, tags)) {
+ dst_set_add(set, &dst);
+ *nf_output_iface = dst.iface->dp_ifidx;
+ }
+}
+
+static void
+compose_mirror_dsts(const struct bridge *br, const struct flow *flow,
+ uint16_t vlan, const struct port *in_port,
+ struct dst_set *set, tag_type *tags)
+{
+ mirror_mask_t mirrors;
+ int flow_vlan;
+ size_t i;
+
+ mirrors = in_port->src_mirrors;
+ for (i = 0; i < set->n; i++) {
+ mirrors |= set->dsts[i].iface->port->dst_mirrors;
+ }
+
+ if (!mirrors) {
+ return;
+ }
+
+ flow_vlan = vlan_tci_to_vid(flow->vlan_tci);
+ if (flow_vlan == 0) {
+ flow_vlan = OFP_VLAN_NONE;
}
while (mirrors) {
struct mirror *m = br->mirrors[mirror_mask_ffs(mirrors) - 1];
if (!m->n_vlans || vlan_is_mirrored(m, vlan)) {
+ struct dst dst;
+
if (m->out_port) {
- if (set_dst(dst, flow, in_port, m->out_port, tags)
- && !dst_is_duplicate(dsts, dst - dsts, dst)) {
- dst++;
+ if (set_dst(&dst, flow, in_port, m->out_port, tags)
+ && !dst_is_duplicate(set, &dst)) {
+ dst_set_add(set, &dst);
}
} else {
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
+ struct port *port;
+
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
if (port_includes_vlan(port, m->out_vlan)
- && set_dst(dst, flow, in_port, port, tags))
+ && set_dst(&dst, flow, in_port, port, tags))
{
-
if (port->vlan < 0) {
- dst->vlan = m->out_vlan;
+ dst.vlan = m->out_vlan;
}
- if (dst_is_duplicate(dsts, dst - dsts, dst)) {
+ if (dst_is_duplicate(set, &dst)) {
continue;
}
* tagging tags place. This is necessary because
* dst->vlan is the final vlan, after removing implicit
* tags. */
- if (port == in_port && dst->vlan == flow_vlan) {
+ if (port == in_port && dst.vlan == flow_vlan) {
/* Don't send out input port on same VLAN. */
continue;
}
- dst++;
+ dst_set_add(set, &dst);
}
}
}
}
mirrors &= mirrors - 1;
}
-
- partition_dsts(dsts, dst - dsts, flow_vlan);
- return dst - dsts;
-}
-
-static void OVS_UNUSED
-print_dsts(const struct dst *dsts, size_t n)
-{
- for (; n--; dsts++) {
- printf(">p%"PRIu16, dsts->dp_ifidx);
- if (dsts->vlan != OFP_VLAN_NONE) {
- printf("v%"PRIu16, dsts->vlan);
- }
- }
}
static void
compose_actions(struct bridge *br, const struct flow *flow, uint16_t vlan,
const struct port *in_port, const struct port *out_port,
- tag_type *tags, struct odp_actions *actions,
+ tag_type *tags, struct ofpbuf *actions,
uint16_t *nf_output_iface)
{
- struct dst dsts[DP_MAX_PORTS * (MAX_MIRRORS + 1)];
- size_t n_dsts;
- const struct dst *p;
- uint16_t cur_vlan;
-
- n_dsts = compose_dsts(br, flow, vlan, in_port, out_port, dsts, tags,
- nf_output_iface);
-
- cur_vlan = vlan_tci_to_vid(flow->vlan_tci);
- if (cur_vlan == 0) {
- cur_vlan = OFP_VLAN_NONE;
- }
- for (p = dsts; p < &dsts[n_dsts]; p++) {
- union odp_action *a;
- if (p->vlan != cur_vlan) {
- if (p->vlan == OFP_VLAN_NONE) {
- odp_actions_add(actions, ODPAT_STRIP_VLAN);
+ uint16_t initial_vlan, cur_vlan;
+ const struct dst *dst;
+ struct dst_set set;
+
+ dst_set_init(&set);
+ compose_dsts(br, flow, vlan, in_port, out_port, &set, tags,
+ nf_output_iface);
+ compose_mirror_dsts(br, flow, vlan, in_port, &set, tags);
+
+ /* Output all the packets we can without having to change the VLAN. */
+ initial_vlan = vlan_tci_to_vid(flow->vlan_tci);
+ if (initial_vlan == 0) {
+ initial_vlan = OFP_VLAN_NONE;
+ }
+ for (dst = set.dsts; dst < &set.dsts[set.n]; dst++) {
+ if (dst->vlan != initial_vlan) {
+ continue;
+ }
+ nl_msg_put_u32(actions, ODP_ACTION_ATTR_OUTPUT, dst->iface->dp_ifidx);
+ }
+
+ /* Then output the rest. */
+ cur_vlan = initial_vlan;
+ for (dst = set.dsts; dst < &set.dsts[set.n]; dst++) {
+ if (dst->vlan == initial_vlan) {
+ continue;
+ }
+ if (dst->vlan != cur_vlan) {
+ if (dst->vlan == OFP_VLAN_NONE) {
+ nl_msg_put_flag(actions, ODP_ACTION_ATTR_STRIP_VLAN);
} else {
- a = odp_actions_add(actions, ODPAT_SET_DL_TCI);
- a->dl_tci.tci = htons(p->vlan & VLAN_VID_MASK);
- a->dl_tci.tci |= flow->vlan_tci & htons(VLAN_PCP_MASK);
+ ovs_be16 tci;
+ tci = htons(dst->vlan & VLAN_VID_MASK);
+ tci |= flow->vlan_tci & htons(VLAN_PCP_MASK);
+ nl_msg_put_be16(actions, ODP_ACTION_ATTR_SET_DL_TCI, tci);
}
- cur_vlan = p->vlan;
+ cur_vlan = dst->vlan;
}
- a = odp_actions_add(actions, ODPAT_OUTPUT);
- a->output.port = p->dp_ifidx;
+ nl_msg_put_u32(actions, ODP_ACTION_ATTR_OUTPUT, dst->iface->dp_ifidx);
}
+
+ dst_set_free(&set);
}
/* Returns the effective vlan of a packet, taking into account both the
int vlan = vlan_tci_to_vid(flow->vlan_tci);
if (in_port->vlan >= 0) {
if (vlan) {
- /* XXX support double tagging? */
if (have_packet) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: dropping VLAN %d tagged "
update_learning_table(struct bridge *br, const struct flow *flow, int vlan,
struct port *in_port)
{
- enum grat_arp_lock_type lock_type;
- tag_type rev_tag;
-
- /* We don't want to learn from gratuitous ARP packets that are reflected
- * back over bond slaves so we lock the learning table. */
- lock_type = !is_gratuitous_arp(flow) ? GRAT_ARP_LOCK_NONE :
- (in_port->n_ifaces == 1) ? GRAT_ARP_LOCK_SET :
- GRAT_ARP_LOCK_CHECK;
-
- rev_tag = mac_learning_learn(br->ml, flow->dl_src, vlan, in_port->port_idx,
- lock_type);
- if (rev_tag) {
+ struct mac_entry *mac;
+
+ if (!mac_learning_may_learn(br->ml, flow->dl_src, vlan)) {
+ return;
+ }
+
+ mac = mac_learning_insert(br->ml, flow->dl_src, vlan);
+ if (is_gratuitous_arp(flow)) {
+ /* We don't want to learn from gratuitous ARP packets that are
+ * reflected back over bond slaves so we lock the learning table. */
+ if (!in_port->bond) {
+ mac_entry_set_grat_arp_lock(mac);
+ } else if (mac_entry_is_grat_arp_locked(mac)) {
+ return;
+ }
+ }
+
+ if (mac_entry_is_new(mac) || mac->port.p != in_port) {
/* The log messages here could actually be useful in debugging,
* so keep the rate limit relatively high. */
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(30,
- 300);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(30, 300);
VLOG_DBG_RL(&rl, "bridge %s: learned that "ETH_ADDR_FMT" is "
"on port %s in VLAN %d",
br->name, ETH_ADDR_ARGS(flow->dl_src),
in_port->name, vlan);
- ofproto_revalidate(br->ofproto, rev_tag);
+
+ mac->port.p = in_port;
+ ofproto_revalidate(br->ofproto, mac_learning_changed(br->ml, mac));
}
}
return false;
}
- /* Packets received on bonds need special attention to avoid duplicates. */
- if (in_port->n_ifaces > 1) {
- int src_idx;
- bool is_grat_arp_locked;
+ if (in_port->bond) {
+ struct mac_entry *mac;
- if (eth_addr_is_multicast(flow->dl_dst)) {
- *tags |= in_port->active_iface_tag;
- if (in_port->active_iface != in_iface->port_ifidx) {
- /* Drop all multicast packets on inactive slaves. */
- return false;
- }
- }
+ switch (bond_check_admissibility(in_port->bond, in_iface,
+ flow->dl_dst, tags)) {
+ case BV_ACCEPT:
+ break;
+
+ case BV_DROP:
+ return false;
- /* Drop all packets for which we have learned a different input
- * port, because we probably sent the packet on one slave and got
- * it back on the other. Gratuitous ARP packets are an exception
- * to this rule: the host has moved to another switch. The exception
- * to the exception is if we locked the learning table to avoid
- * reflections on bond slaves. If this is the case, just drop the
- * packet now. */
- src_idx = mac_learning_lookup(br->ml, flow->dl_src, vlan,
- &is_grat_arp_locked);
- if (src_idx != -1 && src_idx != in_port->port_idx &&
- (!is_gratuitous_arp(flow) || is_grat_arp_locked)) {
+ case BV_DROP_IF_MOVED:
+ mac = mac_learning_lookup(br->ml, flow->dl_src, vlan, NULL);
+ if (mac && mac->port.p != in_port &&
+ (!is_gratuitous_arp(flow)
+ || mac_entry_is_grat_arp_locked(mac))) {
return false;
+ }
+ break;
}
}
* not at all, if 'packet' was NULL. */
static bool
process_flow(struct bridge *br, const struct flow *flow,
- const struct ofpbuf *packet, struct odp_actions *actions,
+ const struct ofpbuf *packet, struct ofpbuf *actions,
tag_type *tags, uint16_t *nf_output_iface)
{
struct port *in_port;
struct port *out_port;
+ struct mac_entry *mac;
int vlan;
- int out_port_idx;
/* Check whether we should drop packets in this flow. */
if (!is_admissible(br, flow, packet != NULL, tags, &vlan, &in_port)) {
}
/* Determine output port. */
- out_port_idx = mac_learning_lookup_tag(br->ml, flow->dl_dst, vlan, tags,
- NULL);
- if (out_port_idx >= 0 && out_port_idx < br->n_ports) {
- out_port = br->ports[out_port_idx];
+ mac = mac_learning_lookup(br->ml, flow->dl_dst, vlan, tags);
+ if (mac) {
+ out_port = mac->port.p;
} else if (!packet && !eth_addr_is_multicast(flow->dl_dst)) {
/* If we are revalidating but don't have a learning entry then
* eject the flow. Installing a flow that floods packets opens
static bool
bridge_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet,
- struct odp_actions *actions, tag_type *tags,
+ struct ofpbuf *actions, tag_type *tags,
uint16_t *nf_output_iface, void *br_)
{
- struct iface *iface;
struct bridge *br = br_;
COVERAGE_INC(bridge_process_flow);
+ return process_flow(br, flow, packet, actions, tags, nf_output_iface);
+}
+
+static bool
+bridge_special_ofhook_cb(const struct flow *flow,
+ const struct ofpbuf *packet, void *br_)
+{
+ struct iface *iface;
+ struct bridge *br = br_;
iface = iface_from_dp_ifidx(br, flow->in_port);
- if (cfm_should_process_flow(flow)) {
- if (packet && iface->cfm) {
- cfm_process_heartbeat(iface->cfm, packet);
+ if (flow->dl_type == htons(ETH_TYPE_LACP)) {
+ if (iface && iface->port->lacp && packet) {
+ const struct lacp_pdu *pdu = parse_lacp_packet(packet);
+ if (pdu) {
+ lacp_process_pdu(iface->port->lacp, iface, pdu);
+ }
}
return false;
}
- return process_flow(br, flow, packet, actions, tags, nf_output_iface);
+ return true;
}
static void
bridge_account_flow_ofhook_cb(const struct flow *flow, tag_type tags,
- const union odp_action *actions,
- size_t n_actions, unsigned long long int n_bytes,
- void *br_)
+ const struct nlattr *actions,
+ size_t actions_len,
+ uint64_t n_bytes, void *br_)
{
struct bridge *br = br_;
- const union odp_action *a;
+ const struct nlattr *a;
struct port *in_port;
tag_type dummy = 0;
+ unsigned int left;
int vlan;
/* Feed information from the active flows back into the learning table to
* through the datapath.
*
* We test that 'tags' is nonzero to ensure that only flows that include an
- * OFPP_NORMAL action are used for learning. This works because
- * bridge_normal_ofhook_cb() always sets a nonzero tag value. */
- if (tags && is_admissible(br, flow, false, &dummy, &vlan, &in_port)) {
- update_learning_table(br, flow, vlan, in_port);
- }
-
- /* Account for bond slave utilization. */
- if (!br->has_bonded_ports) {
- return;
- }
- for (a = actions; a < &actions[n_actions]; a++) {
- if (a->type == ODPAT_OUTPUT) {
- struct port *out_port = port_from_dp_ifidx(br, a->output.port);
- if (out_port && out_port->n_ifaces >= 2) {
- struct bond_entry *e = lookup_bond_entry(out_port,
- flow->dl_src);
- e->tx_bytes += n_bytes;
- }
- }
- }
-}
-
-static void
-bridge_account_checkpoint_ofhook_cb(void *br_)
-{
- struct bridge *br = br_;
- long long int now;
- size_t i;
-
- if (!br->has_bonded_ports) {
- return;
- }
-
- now = time_msec();
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- if (port->n_ifaces > 1 && now >= port->bond_next_rebalance) {
- port->bond_next_rebalance = now + port->bond_rebalance_interval;
- bond_rebalance_port(port);
- }
- }
-}
-
-static struct ofhooks bridge_ofhooks = {
- bridge_normal_ofhook_cb,
- bridge_account_flow_ofhook_cb,
- bridge_account_checkpoint_ofhook_cb,
-};
-\f
-/* Bonding functions. */
-
-/* Statistics for a single interface on a bonded port, used for load-based
- * bond rebalancing. */
-struct slave_balance {
- struct iface *iface; /* The interface. */
- uint64_t tx_bytes; /* Sum of hashes[*]->tx_bytes. */
-
- /* All the "bond_entry"s that are assigned to this interface, in order of
- * increasing tx_bytes. */
- struct bond_entry **hashes;
- size_t n_hashes;
-};
-
-/* Sorts pointers to pointers to bond_entries in ascending order by the
- * interface to which they are assigned, and within a single interface in
- * ascending order of bytes transmitted. */
-static int
-compare_bond_entries(const void *a_, const void *b_)
-{
- const struct bond_entry *const *ap = a_;
- const struct bond_entry *const *bp = b_;
- const struct bond_entry *a = *ap;
- const struct bond_entry *b = *bp;
- if (a->iface_idx != b->iface_idx) {
- return a->iface_idx > b->iface_idx ? 1 : -1;
- } else if (a->tx_bytes != b->tx_bytes) {
- return a->tx_bytes > b->tx_bytes ? 1 : -1;
- } else {
- return 0;
- }
-}
-
-/* Sorts slave_balances so that enabled ports come first, and otherwise in
- * *descending* order by number of bytes transmitted. */
-static int
-compare_slave_balance(const void *a_, const void *b_)
-{
- const struct slave_balance *a = a_;
- const struct slave_balance *b = b_;
- if (a->iface->enabled != b->iface->enabled) {
- return a->iface->enabled ? -1 : 1;
- } else if (a->tx_bytes != b->tx_bytes) {
- return a->tx_bytes > b->tx_bytes ? -1 : 1;
- } else {
- return 0;
- }
-}
-
-static void
-swap_bals(struct slave_balance *a, struct slave_balance *b)
-{
- struct slave_balance tmp = *a;
- *a = *b;
- *b = tmp;
-}
-
-/* Restores the 'n_bals' slave_balance structures in 'bals' to sorted order
- * given that 'p' (and only 'p') might be in the wrong location.
- *
- * This function invalidates 'p', since it might now be in a different memory
- * location. */
-static void
-resort_bals(struct slave_balance *p,
- struct slave_balance bals[], size_t n_bals)
-{
- if (n_bals > 1) {
- for (; p > bals && p->tx_bytes > p[-1].tx_bytes; p--) {
- swap_bals(p, p - 1);
- }
- for (; p < &bals[n_bals - 1] && p->tx_bytes < p[1].tx_bytes; p++) {
- swap_bals(p, p + 1);
- }
- }
-}
-
-static void
-log_bals(const struct slave_balance *bals, size_t n_bals, struct port *port)
-{
- if (VLOG_IS_DBG_ENABLED()) {
- struct ds ds = DS_EMPTY_INITIALIZER;
- const struct slave_balance *b;
-
- for (b = bals; b < bals + n_bals; b++) {
- size_t i;
-
- if (b > bals) {
- ds_put_char(&ds, ',');
- }
- ds_put_format(&ds, " %s %"PRIu64"kB",
- b->iface->name, b->tx_bytes / 1024);
-
- if (!b->iface->enabled) {
- ds_put_cstr(&ds, " (disabled)");
- }
- if (b->n_hashes > 0) {
- ds_put_cstr(&ds, " (");
- for (i = 0; i < b->n_hashes; i++) {
- const struct bond_entry *e = b->hashes[i];
- if (i > 0) {
- ds_put_cstr(&ds, " + ");
- }
- ds_put_format(&ds, "h%td: %"PRIu64"kB",
- e - port->bond_hash, e->tx_bytes / 1024);
- }
- ds_put_cstr(&ds, ")");
- }
- }
- VLOG_DBG("bond %s:%s", port->name, ds_cstr(&ds));
- ds_destroy(&ds);
- }
-}
-
-/* Shifts 'hash' from 'from' to 'to' within 'port'. */
-static void
-bond_shift_load(struct slave_balance *from, struct slave_balance *to,
- int hash_idx)
-{
- struct bond_entry *hash = from->hashes[hash_idx];
- struct port *port = from->iface->port;
- uint64_t delta = hash->tx_bytes;
-
- VLOG_INFO("bond %s: shift %"PRIu64"kB of load (with hash %td) "
- "from %s to %s (now carrying %"PRIu64"kB and "
- "%"PRIu64"kB load, respectively)",
- port->name, delta / 1024, hash - port->bond_hash,
- from->iface->name, to->iface->name,
- (from->tx_bytes - delta) / 1024,
- (to->tx_bytes + delta) / 1024);
-
- /* Delete element from from->hashes.
- *
- * We don't bother to add the element to to->hashes because not only would
- * it require more work, the only purpose it would be to allow that hash to
- * be migrated to another slave in this rebalancing run, and there is no
- * point in doing that. */
- if (hash_idx == 0) {
- from->hashes++;
- } else {
- memmove(from->hashes + hash_idx, from->hashes + hash_idx + 1,
- (from->n_hashes - (hash_idx + 1)) * sizeof *from->hashes);
- }
- from->n_hashes--;
-
- /* Shift load away from 'from' to 'to'. */
- from->tx_bytes -= delta;
- to->tx_bytes += delta;
-
- /* Arrange for flows to be revalidated. */
- ofproto_revalidate(port->bridge->ofproto, hash->iface_tag);
- hash->iface_idx = to->iface->port_ifidx;
- hash->iface_tag = tag_create_random();
-}
-
-static void
-bond_rebalance_port(struct port *port)
-{
- struct slave_balance bals[DP_MAX_PORTS];
- size_t n_bals;
- struct bond_entry *hashes[BOND_MASK + 1];
- struct slave_balance *b, *from, *to;
- struct bond_entry *e;
- size_t i;
-
- /* Sets up 'bals' to describe each of the port's interfaces, sorted in
- * descending order of tx_bytes, so that bals[0] represents the most
- * heavily loaded slave and bals[n_bals - 1] represents the least heavily
- * loaded slave.
- *
- * The code is a bit tricky: to avoid dynamically allocating a 'hashes'
- * array for each slave_balance structure, we sort our local array of
- * hashes in order by slave, so that all of the hashes for a given slave
- * become contiguous in memory, and then we point each 'hashes' members of
- * a slave_balance structure to the start of a contiguous group. */
- n_bals = port->n_ifaces;
- for (b = bals; b < &bals[n_bals]; b++) {
- b->iface = port->ifaces[b - bals];
- b->tx_bytes = 0;
- b->hashes = NULL;
- b->n_hashes = 0;
- }
- for (i = 0; i <= BOND_MASK; i++) {
- hashes[i] = &port->bond_hash[i];
- }
- qsort(hashes, BOND_MASK + 1, sizeof *hashes, compare_bond_entries);
- for (i = 0; i <= BOND_MASK; i++) {
- e = hashes[i];
- if (e->iface_idx >= 0 && e->iface_idx < port->n_ifaces) {
- b = &bals[e->iface_idx];
- b->tx_bytes += e->tx_bytes;
- if (!b->hashes) {
- b->hashes = &hashes[i];
- }
- b->n_hashes++;
- }
- }
- qsort(bals, n_bals, sizeof *bals, compare_slave_balance);
- log_bals(bals, n_bals, port);
-
- /* Discard slaves that aren't enabled (which were sorted to the back of the
- * array earlier). */
- while (!bals[n_bals - 1].iface->enabled) {
- n_bals--;
- if (!n_bals) {
- return;
- }
- }
-
- /* Shift load from the most-loaded slaves to the least-loaded slaves. */
- to = &bals[n_bals - 1];
- for (from = bals; from < to; ) {
- uint64_t overload = from->tx_bytes - to->tx_bytes;
- if (overload < to->tx_bytes >> 5 || overload < 100000) {
- /* The extra load on 'from' (and all less-loaded slaves), compared
- * to that of 'to' (the least-loaded slave), is less than ~3%, or
- * it is less than ~1Mbps. No point in rebalancing. */
- break;
- } else if (from->n_hashes == 1) {
- /* 'from' only carries a single MAC hash, so we can't shift any
- * load away from it, even though we want to. */
- from++;
- } else {
- /* 'from' is carrying significantly more load than 'to', and that
- * load is split across at least two different hashes. Pick a hash
- * to migrate to 'to' (the least-loaded slave), given that doing so
- * must decrease the ratio of the load on the two slaves by at
- * least 0.1.
- *
- * The sort order we use means that we prefer to shift away the
- * smallest hashes instead of the biggest ones. There is little
- * reason behind this decision; we could use the opposite sort
- * order to shift away big hashes ahead of small ones. */
- bool order_swapped;
-
- for (i = 0; i < from->n_hashes; i++) {
- double old_ratio, new_ratio;
- uint64_t delta = from->hashes[i]->tx_bytes;
-
- if (delta == 0 || from->tx_bytes - delta == 0) {
- /* Pointless move. */
- continue;
- }
-
- order_swapped = from->tx_bytes - delta < to->tx_bytes + delta;
-
- if (to->tx_bytes == 0) {
- /* Nothing on the new slave, move it. */
- break;
- }
-
- old_ratio = (double)from->tx_bytes / to->tx_bytes;
- new_ratio = (double)(from->tx_bytes - delta) /
- (to->tx_bytes + delta);
-
- if (new_ratio == 0) {
- /* Should already be covered but check to prevent division
- * by zero. */
- continue;
- }
-
- if (new_ratio < 1) {
- new_ratio = 1 / new_ratio;
- }
-
- if (old_ratio - new_ratio > 0.1) {
- /* Would decrease the ratio, move it. */
- break;
- }
- }
- if (i < from->n_hashes) {
- bond_shift_load(from, to, i);
- port->bond_compat_is_stale = true;
-
- /* If the result of the migration changed the relative order of
- * 'from' and 'to' swap them back to maintain invariants. */
- if (order_swapped) {
- swap_bals(from, to);
- }
-
- /* Re-sort 'bals'. Note that this may make 'from' and 'to'
- * point to different slave_balance structures. It is only
- * valid to do these two operations in a row at all because we
- * know that 'from' will not move past 'to' and vice versa. */
- resort_bals(from, bals, n_bals);
- resort_bals(to, bals, n_bals);
- } else {
- from++;
- }
- }
- }
-
- /* Implement exponentially weighted moving average. A weight of 1/2 causes
- * historical data to decay to <1% in 7 rebalancing runs. */
- for (e = &port->bond_hash[0]; e <= &port->bond_hash[BOND_MASK]; e++) {
- e->tx_bytes /= 2;
- }
-}
-
-static void
-bond_send_learning_packets(struct port *port)
-{
- struct bridge *br = port->bridge;
- struct mac_entry *e;
- struct ofpbuf packet;
- int error, n_packets, n_errors;
-
- if (!port->n_ifaces || port->active_iface < 0) {
- return;
- }
-
- ofpbuf_init(&packet, 128);
- error = n_packets = n_errors = 0;
- LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
- union ofp_action actions[2], *a;
- uint16_t dp_ifidx;
- tag_type tags = 0;
- struct flow flow;
- int retval;
-
- if (e->port == port->port_idx
- || !choose_output_iface(port, e->mac, &dp_ifidx, &tags)) {
- continue;
- }
-
- /* Compose actions. */
- memset(actions, 0, sizeof actions);
- a = actions;
- if (e->vlan) {
- a->vlan_vid.type = htons(OFPAT_SET_VLAN_VID);
- a->vlan_vid.len = htons(sizeof *a);
- a->vlan_vid.vlan_vid = htons(e->vlan);
- a++;
- }
- a->output.type = htons(OFPAT_OUTPUT);
- a->output.len = htons(sizeof *a);
- a->output.port = htons(odp_port_to_ofp_port(dp_ifidx));
- a++;
-
- /* Send packet. */
- n_packets++;
- compose_benign_packet(&packet, "Open vSwitch Bond Failover", 0xf177,
- e->mac);
- flow_extract(&packet, 0, ODPP_NONE, &flow);
- retval = ofproto_send_packet(br->ofproto, &flow, actions, a - actions,
- &packet);
- if (retval) {
- error = retval;
- n_errors++;
- }
- }
- ofpbuf_uninit(&packet);
-
- if (n_errors) {
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
- VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
- "packets, last error was: %s",
- port->name, n_errors, n_packets, strerror(error));
- } else {
- VLOG_DBG("bond %s: sent %d gratuitous learning packets",
- port->name, n_packets);
- }
-}
-\f
-/* Bonding unixctl user interface functions. */
-
-static void
-bond_unixctl_list(struct unixctl_conn *conn,
- const char *args OVS_UNUSED, void *aux OVS_UNUSED)
-{
- struct ds ds = DS_EMPTY_INITIALIZER;
- const struct bridge *br;
-
- ds_put_cstr(&ds, "bridge\tbond\tslaves\n");
-
- LIST_FOR_EACH (br, node, &all_bridges) {
- size_t i;
-
- for (i = 0; i < br->n_ports; i++) {
- const struct port *port = br->ports[i];
- if (port->n_ifaces > 1) {
- size_t j;
-
- ds_put_format(&ds, "%s\t%s\t", br->name, port->name);
- for (j = 0; j < port->n_ifaces; j++) {
- const struct iface *iface = port->ifaces[j];
- if (j) {
- ds_put_cstr(&ds, ", ");
- }
- ds_put_cstr(&ds, iface->name);
- }
- ds_put_char(&ds, '\n');
- }
- }
- }
- unixctl_command_reply(conn, 200, ds_cstr(&ds));
- ds_destroy(&ds);
-}
-
-static struct port *
-bond_find(const char *name)
-{
- const struct bridge *br;
-
- LIST_FOR_EACH (br, node, &all_bridges) {
- size_t i;
-
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- if (!strcmp(port->name, name) && port->n_ifaces > 1) {
- return port;
- }
- }
- }
- return NULL;
-}
-
-static void
-bond_unixctl_show(struct unixctl_conn *conn,
- const char *args, void *aux OVS_UNUSED)
-{
- struct ds ds = DS_EMPTY_INITIALIZER;
- const struct port *port;
- size_t j;
-
- port = bond_find(args);
- if (!port) {
- unixctl_command_reply(conn, 501, "no such bond");
- return;
- }
-
- ds_put_format(&ds, "updelay: %d ms\n", port->updelay);
- ds_put_format(&ds, "downdelay: %d ms\n", port->downdelay);
- ds_put_format(&ds, "next rebalance: %lld ms\n",
- port->bond_next_rebalance - time_msec());
- for (j = 0; j < port->n_ifaces; j++) {
- const struct iface *iface = port->ifaces[j];
- struct bond_entry *be;
-
- /* Basic info. */
- ds_put_format(&ds, "slave %s: %s\n",
- iface->name, iface->enabled ? "enabled" : "disabled");
- if (j == port->active_iface) {
- ds_put_cstr(&ds, "\tactive slave\n");
- }
- if (iface->delay_expires != LLONG_MAX) {
- ds_put_format(&ds, "\t%s expires in %lld ms\n",
- iface->enabled ? "downdelay" : "updelay",
- iface->delay_expires - time_msec());
- }
-
- /* Hashes. */
- for (be = port->bond_hash; be <= &port->bond_hash[BOND_MASK]; be++) {
- int hash = be - port->bond_hash;
- struct mac_entry *me;
-
- if (be->iface_idx != j) {
- continue;
- }
-
- ds_put_format(&ds, "\thash %d: %"PRIu64" kB load\n",
- hash, be->tx_bytes / 1024);
-
- /* MACs. */
- LIST_FOR_EACH (me, lru_node, &port->bridge->ml->lrus) {
- uint16_t dp_ifidx;
- tag_type tags = 0;
- if (bond_hash(me->mac) == hash
- && me->port != port->port_idx
- && choose_output_iface(port, me->mac, &dp_ifidx, &tags)
- && dp_ifidx == iface->dp_ifidx)
- {
- ds_put_format(&ds, "\t\t"ETH_ADDR_FMT"\n",
- ETH_ADDR_ARGS(me->mac));
- }
- }
- }
- }
- unixctl_command_reply(conn, 200, ds_cstr(&ds));
- ds_destroy(&ds);
-}
-
-static void
-bond_unixctl_migrate(struct unixctl_conn *conn, const char *args_,
- void *aux OVS_UNUSED)
-{
- char *args = (char *) args_;
- char *save_ptr = NULL;
- char *bond_s, *hash_s, *slave_s;
- struct port *port;
- struct iface *iface;
- struct bond_entry *entry;
- int hash;
-
- bond_s = strtok_r(args, " ", &save_ptr);
- hash_s = strtok_r(NULL, " ", &save_ptr);
- slave_s = strtok_r(NULL, " ", &save_ptr);
- if (!slave_s) {
- unixctl_command_reply(conn, 501,
- "usage: bond/migrate BOND HASH SLAVE");
- return;
- }
-
- port = bond_find(bond_s);
- if (!port) {
- unixctl_command_reply(conn, 501, "no such bond");
- return;
- }
-
- if (strspn(hash_s, "0123456789") == strlen(hash_s)) {
- hash = atoi(hash_s) & BOND_MASK;
- } else {
- unixctl_command_reply(conn, 501, "bad hash");
- return;
+ * OFPP_NORMAL action are used for learning. This works because
+ * bridge_normal_ofhook_cb() always sets a nonzero tag value. */
+ if (tags && is_admissible(br, flow, false, &dummy, &vlan, &in_port)) {
+ update_learning_table(br, flow, vlan, in_port);
}
- iface = port_lookup_iface(port, slave_s);
- if (!iface) {
- unixctl_command_reply(conn, 501, "no such slave");
+ /* Account for bond slave utilization. */
+ if (!br->has_bonded_ports) {
return;
}
-
- if (!iface->enabled) {
- unixctl_command_reply(conn, 501, "cannot migrate to disabled slave");
- return;
+ NL_ATTR_FOR_EACH_UNSAFE (a, left, actions, actions_len) {
+ if (nl_attr_type(a) == ODP_ACTION_ATTR_OUTPUT) {
+ struct port *out_port = port_from_dp_ifidx(br, nl_attr_get_u32(a));
+ if (out_port && out_port->bond) {
+ uint16_t vlan = (flow->vlan_tci
+ ? vlan_tci_to_vid(flow->vlan_tci)
+ : OFP_VLAN_NONE);
+ bond_account(out_port->bond, flow, vlan, n_bytes);
+ }
+ }
}
-
- entry = &port->bond_hash[hash];
- ofproto_revalidate(port->bridge->ofproto, entry->iface_tag);
- entry->iface_idx = iface->port_ifidx;
- entry->iface_tag = tag_create_random();
- port->bond_compat_is_stale = true;
- unixctl_command_reply(conn, 200, "migrated");
}
static void
-bond_unixctl_set_active_slave(struct unixctl_conn *conn, const char *args_,
- void *aux OVS_UNUSED)
+bridge_account_checkpoint_ofhook_cb(void *br_)
{
- char *args = (char *) args_;
- char *save_ptr = NULL;
- char *bond_s, *slave_s;
+ struct bridge *br = br_;
struct port *port;
- struct iface *iface;
-
- bond_s = strtok_r(args, " ", &save_ptr);
- slave_s = strtok_r(NULL, " ", &save_ptr);
- if (!slave_s) {
- unixctl_command_reply(conn, 501,
- "usage: bond/set-active-slave BOND SLAVE");
- return;
- }
-
- port = bond_find(bond_s);
- if (!port) {
- unixctl_command_reply(conn, 501, "no such bond");
- return;
- }
-
- iface = port_lookup_iface(port, slave_s);
- if (!iface) {
- unixctl_command_reply(conn, 501, "no such slave");
- return;
- }
-
- if (!iface->enabled) {
- unixctl_command_reply(conn, 501, "cannot make disabled slave active");
- return;
- }
- if (port->active_iface != iface->port_ifidx) {
- ofproto_revalidate(port->bridge->ofproto, port->active_iface_tag);
- port->active_iface = iface->port_ifidx;
- port->active_iface_tag = tag_create_random();
- VLOG_INFO("port %s: active interface is now %s",
- port->name, iface->name);
- bond_send_learning_packets(port);
- unixctl_command_reply(conn, 200, "done");
- } else {
- unixctl_command_reply(conn, 200, "no change");
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ if (port->bond) {
+ bond_rebalance(port->bond,
+ ofproto_get_revalidate_set(br->ofproto));
+ }
}
}
-static void
-enable_slave(struct unixctl_conn *conn, const char *args_, bool enable)
+static uint16_t
+bridge_autopath_ofhook_cb(const struct flow *flow, uint32_t ofp_port,
+ tag_type *tags, void *br_)
{
- char *args = (char *) args_;
- char *save_ptr = NULL;
- char *bond_s, *slave_s;
- struct port *port;
- struct iface *iface;
-
- bond_s = strtok_r(args, " ", &save_ptr);
- slave_s = strtok_r(NULL, " ", &save_ptr);
- if (!slave_s) {
- unixctl_command_reply(conn, 501,
- "usage: bond/enable/disable-slave BOND SLAVE");
- return;
- }
+ struct bridge *br = br_;
+ uint16_t odp_port = ofp_port_to_odp_port(ofp_port);
+ struct port *port = port_from_dp_ifidx(br, odp_port);
+ uint16_t ret;
- port = bond_find(bond_s);
if (!port) {
- unixctl_command_reply(conn, 501, "no such bond");
- return;
- }
+ ret = ODPP_NONE;
+ } else if (list_is_short(&port->ifaces)) {
+ ret = odp_port;
+ } else {
+ struct iface *iface;
- iface = port_lookup_iface(port, slave_s);
- if (!iface) {
- unixctl_command_reply(conn, 501, "no such slave");
- return;
+ /* Autopath does not support VLAN hashing. */
+ iface = bond_choose_output_slave(port->bond, flow,
+ OFP_VLAN_NONE, tags);
+ ret = iface ? iface->dp_ifidx : ODPP_NONE;
}
- bond_enable_slave(iface, enable);
- unixctl_command_reply(conn, 501, enable ? "enabled" : "disabled");
+ return odp_port_to_ofp_port(ret);
}
-static void
-bond_unixctl_enable_slave(struct unixctl_conn *conn, const char *args,
- void *aux OVS_UNUSED)
-{
- enable_slave(conn, args, true);
-}
+static struct ofhooks bridge_ofhooks = {
+ bridge_normal_ofhook_cb,
+ bridge_special_ofhook_cb,
+ bridge_account_flow_ofhook_cb,
+ bridge_account_checkpoint_ofhook_cb,
+ bridge_autopath_ofhook_cb,
+};
+\f
+/* Port functions. */
static void
-bond_unixctl_disable_slave(struct unixctl_conn *conn, const char *args,
- void *aux OVS_UNUSED)
+lacp_send_pdu_cb(void *iface_, const struct lacp_pdu *pdu)
{
- enable_slave(conn, args, false);
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
+ struct iface *iface = iface_;
+ uint8_t ea[ETH_ADDR_LEN];
+ int error;
+
+ error = netdev_get_etheraddr(iface->netdev, ea);
+ if (!error) {
+ struct lacp_pdu *packet_pdu;
+ struct ofpbuf packet;
+
+ ofpbuf_init(&packet, 0);
+ packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
+ sizeof *packet_pdu);
+ *packet_pdu = *pdu;
+ error = netdev_send(iface->netdev, &packet);
+ if (error) {
+ VLOG_WARN_RL(&rl, "port %s: sending LACP PDU on iface %s failed "
+ "(%s)", iface->port->name, iface->name,
+ strerror(error));
+ }
+ ofpbuf_uninit(&packet);
+ } else {
+ VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
+ "%s (%s)", iface->port->name, iface->name,
+ strerror(error));
+ }
}
static void
-bond_unixctl_hash(struct unixctl_conn *conn, const char *args,
- void *aux OVS_UNUSED)
+port_run(struct port *port)
{
- uint8_t mac[ETH_ADDR_LEN];
- uint8_t hash;
- char *hash_cstr;
+ if (port->lacp) {
+ lacp_run(port->lacp, lacp_send_pdu_cb);
+ }
+
+ if (port->bond) {
+ struct iface *iface;
- if (sscanf(args, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
- == ETH_ADDR_SCAN_COUNT) {
- hash = bond_hash(mac);
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
+ bool may_enable = lacp_slave_may_enable(port->lacp, iface);
+ bond_slave_set_lacp_may_enable(port->bond, iface, may_enable);
+ }
- hash_cstr = xasprintf("%u", hash);
- unixctl_command_reply(conn, 200, hash_cstr);
- free(hash_cstr);
- } else {
- unixctl_command_reply(conn, 501, "invalid mac");
+ bond_run(port->bond,
+ ofproto_get_revalidate_set(port->bridge->ofproto),
+ lacp_negotiated(port->lacp));
+ if (bond_should_send_learning_packets(port->bond)) {
+ port_send_learning_packets(port);
+ }
}
}
static void
-bond_init(void)
+port_wait(struct port *port)
{
- unixctl_command_register("bond/list", bond_unixctl_list, NULL);
- unixctl_command_register("bond/show", bond_unixctl_show, NULL);
- unixctl_command_register("bond/migrate", bond_unixctl_migrate, NULL);
- unixctl_command_register("bond/set-active-slave",
- bond_unixctl_set_active_slave, NULL);
- unixctl_command_register("bond/enable-slave", bond_unixctl_enable_slave,
- NULL);
- unixctl_command_register("bond/disable-slave", bond_unixctl_disable_slave,
- NULL);
- unixctl_command_register("bond/hash", bond_unixctl_hash, NULL);
+ if (port->lacp) {
+ lacp_wait(port->lacp);
+ }
+
+ if (port->bond) {
+ bond_wait(port->bond);
+ }
}
-\f
-/* Port functions. */
static struct port *
port_create(struct bridge *br, const char *name)
port = xzalloc(sizeof *port);
port->bridge = br;
- port->port_idx = br->n_ports;
port->vlan = -1;
port->trunks = NULL;
port->name = xstrdup(name);
- port->active_iface = -1;
+ list_init(&port->ifaces);
- if (br->n_ports >= br->allocated_ports) {
- br->ports = x2nrealloc(br->ports, &br->allocated_ports,
- sizeof *br->ports);
- }
- br->ports[br->n_ports++] = port;
- shash_add_assert(&br->port_by_name, port->name, port);
+ hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
VLOG_INFO("created port %s on bridge %s", port->name, br->name);
bridge_flush(br);
return value ? value : default_value;
}
+static const char *
+get_interface_other_config(const struct ovsrec_interface *iface,
+ const char *key, const char *default_value)
+{
+ const char *value;
+
+ value = get_ovsrec_key_value(&iface->header_,
+ &ovsrec_interface_col_other_config, key);
+ return value ? value : default_value;
+}
+
static void
port_del_ifaces(struct port *port, const struct ovsrec_port *cfg)
{
- struct shash new_ifaces;
+ struct iface *iface, *next;
+ struct sset new_ifaces;
size_t i;
/* Collect list of new interfaces. */
- shash_init(&new_ifaces);
+ sset_init(&new_ifaces);
for (i = 0; i < cfg->n_interfaces; i++) {
const char *name = cfg->interfaces[i]->name;
- shash_add_once(&new_ifaces, name, NULL);
+ sset_add(&new_ifaces, name);
}
/* Get rid of deleted interfaces. */
- for (i = 0; i < port->n_ifaces; ) {
- if (!shash_find(&new_ifaces, cfg->interfaces[i]->name)) {
- iface_destroy(port->ifaces[i]);
- } else {
- i++;
+ LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
+ if (!sset_contains(&new_ifaces, iface->name)) {
+ iface_destroy(iface);
}
}
- shash_destroy(&new_ifaces);
+ sset_destroy(&new_ifaces);
+}
+
+/* Expires all MAC learning entries associated with 'port' and forces ofproto
+ * to revalidate every flow. */
+static void
+port_flush_macs(struct port *port)
+{
+ struct bridge *br = port->bridge;
+ struct mac_learning *ml = br->ml;
+ struct mac_entry *mac, *next_mac;
+
+ bridge_flush(br);
+ LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
+ if (mac->port.p == port) {
+ mac_learning_expire(ml, mac);
+ }
+ }
}
static void
port_reconfigure(struct port *port, const struct ovsrec_port *cfg)
{
- struct shash new_ifaces;
- long long int next_rebalance;
+ struct sset new_ifaces;
+ bool need_flush = false;
unsigned long *trunks;
int vlan;
size_t i;
port->cfg = cfg;
- /* Update settings. */
- port->updelay = cfg->bond_updelay;
- if (port->updelay < 0) {
- port->updelay = 0;
- }
- port->downdelay = cfg->bond_downdelay;
- if (port->downdelay < 0) {
- port->downdelay = 0;
- }
- port->bond_rebalance_interval = atoi(
- get_port_other_config(cfg, "bond-rebalance-interval", "10000"));
- if (port->bond_rebalance_interval < 1000) {
- port->bond_rebalance_interval = 1000;
- }
- next_rebalance = time_msec() + port->bond_rebalance_interval;
- if (port->bond_next_rebalance > next_rebalance) {
- port->bond_next_rebalance = next_rebalance;
- }
/* Add new interfaces and update 'cfg' member of existing ones. */
- shash_init(&new_ifaces);
+ sset_init(&new_ifaces);
for (i = 0; i < cfg->n_interfaces; i++) {
const struct ovsrec_interface *if_cfg = cfg->interfaces[i];
struct iface *iface;
- if (!shash_add_once(&new_ifaces, if_cfg->name, NULL)) {
+ if (!sset_add(&new_ifaces, if_cfg->name)) {
VLOG_WARN("port %s: %s specified twice as port interface",
port->name, if_cfg->name);
iface_set_ofport(if_cfg, -1);
: if_cfg->type[0] ? if_cfg->type
: "system");
}
- shash_destroy(&new_ifaces);
+ sset_destroy(&new_ifaces);
/* Get VLAN tag. */
vlan = -1;
if (cfg->tag) {
- if (port->n_ifaces < 2) {
+ if (list_is_short(&port->ifaces)) {
vlan = *cfg->tag;
if (vlan >= 0 && vlan <= 4095) {
VLOG_DBG("port %s: assigning VLAN tag %d", port->name, vlan);
}
if (port->vlan != vlan) {
port->vlan = vlan;
- bridge_flush(port->bridge);
+ need_flush = true;
}
/* Get trunked VLANs. */
trunks = NULL;
if (vlan < 0 && cfg->n_trunks) {
- size_t n_errors;
-
- trunks = bitmap_allocate(4096);
- n_errors = 0;
- for (i = 0; i < cfg->n_trunks; i++) {
- int trunk = cfg->trunks[i];
- if (trunk >= 0) {
- bitmap_set1(trunks, trunk);
- } else {
- n_errors++;
- }
- }
- if (n_errors) {
- VLOG_ERR("port %s: invalid values for %zu trunk VLANs",
- port->name, cfg->n_trunks);
- }
- if (n_errors == cfg->n_trunks) {
+ trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
+ if (!trunks) {
VLOG_ERR("port %s: no valid trunks, trunking all VLANs",
port->name);
- bitmap_free(trunks);
- trunks = NULL;
}
} else if (vlan >= 0 && cfg->n_trunks) {
VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
port->name);
}
- if (trunks == NULL
- ? port->trunks != NULL
- : port->trunks == NULL || !bitmap_equal(trunks, port->trunks, 4096)) {
- bridge_flush(port->bridge);
+ if (!vlan_bitmap_equal(trunks, port->trunks)) {
+ need_flush = true;
}
bitmap_free(port->trunks);
port->trunks = trunks;
+
+ if (need_flush) {
+ port_flush_macs(port);
+ }
}
static void
{
if (port) {
struct bridge *br = port->bridge;
- struct port *del;
+ struct iface *iface, *next;
int i;
- proc_net_compat_update_vlan(port->name, NULL, 0);
- proc_net_compat_update_bond(port->name, NULL);
-
for (i = 0; i < MAX_MIRRORS; i++) {
struct mirror *m = br->mirrors[i];
if (m && m->out_port == port) {
}
}
- while (port->n_ifaces > 0) {
- iface_destroy(port->ifaces[port->n_ifaces - 1]);
+ LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
+ iface_destroy(iface);
}
- shash_find_and_delete_assert(&br->port_by_name, port->name);
-
- del = br->ports[port->port_idx] = br->ports[--br->n_ports];
- del->port_idx = port->port_idx;
+ hmap_remove(&br->ports, &port->hmap_node);
VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name);
- netdev_monitor_destroy(port->monitor);
- free(port->ifaces);
+ bond_destroy(port->bond);
+ lacp_destroy(port->lacp);
+ port_flush_macs(port);
+
bitmap_free(port->trunks);
free(port->name);
free(port);
- bridge_flush(br);
}
}
static struct port *
port_lookup(const struct bridge *br, const char *name)
{
- return shash_find_data(&br->port_by_name, name);
+ struct port *port;
+
+ HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
+ &br->ports) {
+ if (!strcmp(port->name, name)) {
+ return port;
+ }
+ }
+ return NULL;
}
-static struct iface *
-port_lookup_iface(const struct port *port, const char *name)
+static bool
+enable_lacp(struct port *port, bool *activep)
{
- struct iface *iface = iface_lookup(port->bridge, name);
- return iface && iface->port == port ? iface : NULL;
+ if (!port->cfg->lacp) {
+ /* XXX when LACP implementation has been sufficiently tested, enable by
+ * default and make active on bonded ports. */
+ return false;
+ } else if (!strcmp(port->cfg->lacp, "off")) {
+ return false;
+ } else if (!strcmp(port->cfg->lacp, "active")) {
+ *activep = true;
+ return true;
+ } else if (!strcmp(port->cfg->lacp, "passive")) {
+ *activep = false;
+ return true;
+ } else {
+ VLOG_WARN("port %s: unknown LACP mode %s",
+ port->name, port->cfg->lacp);
+ return false;
+ }
}
static void
-port_update_bonding(struct port *port)
+iface_reconfigure_lacp(struct iface *iface)
{
- if (port->monitor) {
- netdev_monitor_destroy(port->monitor);
- port->monitor = NULL;
+ struct lacp_slave_settings s;
+ int priority, portid;
+
+ portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0"));
+ priority = atoi(get_interface_other_config(iface->cfg,
+ "lacp-port-priority", "0"));
+
+ if (portid <= 0 || portid > UINT16_MAX) {
+ portid = iface->dp_ifidx;
}
- if (port->n_ifaces < 2) {
- /* Not a bonded port. */
- if (port->bond_hash) {
- free(port->bond_hash);
- port->bond_hash = NULL;
- port->bond_compat_is_stale = true;
- port->bond_fake_iface = false;
- }
+
+ if (priority <= 0 || priority > UINT16_MAX) {
+ priority = UINT16_MAX;
+ }
+
+ s.name = iface->name;
+ s.id = portid;
+ s.priority = priority;
+ lacp_slave_register(iface->port->lacp, iface, &s);
+}
+
+static void
+port_reconfigure_lacp(struct port *port)
+{
+ static struct lacp_settings s;
+ struct iface *iface;
+ uint8_t sysid[ETH_ADDR_LEN];
+ const char *sysid_str;
+ const char *lacp_time;
+ long long int custom_time;
+ int priority;
+
+ if (!enable_lacp(port, &s.active)) {
+ lacp_destroy(port->lacp);
+ port->lacp = NULL;
+ return;
+ }
+
+ sysid_str = get_port_other_config(port->cfg, "lacp-system-id", NULL);
+ if (sysid_str && eth_addr_from_string(sysid_str, sysid)) {
+ memcpy(s.id, sysid, ETH_ADDR_LEN);
} else {
- size_t i;
+ memcpy(s.id, port->bridge->ea, ETH_ADDR_LEN);
+ }
+
+ s.name = port->name;
+
+ /* Prefer bondable links if unspecified. */
+ priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority",
+ "0"));
+ s.priority = (priority > 0 && priority <= UINT16_MAX
+ ? priority
+ : UINT16_MAX - !list_is_short(&port->ifaces));
+
+ s.strict = !strcmp(get_port_other_config(port->cfg, "lacp-strict",
+ "false"),
+ "true");
+
+ lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow");
+ custom_time = atoi(lacp_time);
+ if (!strcmp(lacp_time, "fast")) {
+ s.lacp_time = LACP_TIME_FAST;
+ } else if (!strcmp(lacp_time, "slow")) {
+ s.lacp_time = LACP_TIME_SLOW;
+ } else if (custom_time > 0) {
+ s.lacp_time = LACP_TIME_CUSTOM;
+ s.custom_time = custom_time;
+ } else {
+ s.lacp_time = LACP_TIME_SLOW;
+ }
- if (!port->bond_hash) {
- port->bond_hash = xcalloc(BOND_MASK + 1, sizeof *port->bond_hash);
- for (i = 0; i <= BOND_MASK; i++) {
- struct bond_entry *e = &port->bond_hash[i];
- e->iface_idx = -1;
- e->tx_bytes = 0;
- }
- port->no_ifaces_tag = tag_create_random();
- bond_choose_active_iface(port);
- port->bond_next_rebalance
- = time_msec() + port->bond_rebalance_interval;
+ if (!port->lacp) {
+ port->lacp = lacp_create();
+ }
- if (port->cfg->bond_fake_iface) {
- port->bond_next_fake_iface_update = time_msec();
- }
- }
- port->bond_compat_is_stale = true;
- port->bond_fake_iface = port->cfg->bond_fake_iface;
+ lacp_configure(port->lacp, &s);
- port->monitor = netdev_monitor_create();
- for (i = 0; i < port->n_ifaces; i++) {
- netdev_monitor_add(port->monitor, port->ifaces[i]->netdev);
- }
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
+ iface_reconfigure_lacp(iface);
}
}
static void
-port_update_bond_compat(struct port *port)
+port_reconfigure_bond(struct port *port)
{
- struct compat_bond_hash compat_hashes[BOND_MASK + 1];
- struct compat_bond bond;
- size_t i;
+ struct bond_settings s;
+ const char *detect_s;
+ struct iface *iface;
- if (port->n_ifaces < 2) {
- proc_net_compat_update_bond(port->name, NULL);
+ if (list_is_short(&port->ifaces)) {
+ /* Not a bonded port. */
+ bond_destroy(port->bond);
+ port->bond = NULL;
return;
}
- bond.up = false;
- bond.updelay = port->updelay;
- bond.downdelay = port->downdelay;
+ port->bridge->has_bonded_ports = true;
- bond.n_hashes = 0;
- bond.hashes = compat_hashes;
- if (port->bond_hash) {
- const struct bond_entry *e;
- for (e = port->bond_hash; e <= &port->bond_hash[BOND_MASK]; e++) {
- if (e->iface_idx >= 0 && e->iface_idx < port->n_ifaces) {
- struct compat_bond_hash *cbh = &bond.hashes[bond.n_hashes++];
- cbh->hash = e - port->bond_hash;
- cbh->netdev_name = port->ifaces[e->iface_idx]->name;
- }
- }
+ s.name = port->name;
+ s.balance = BM_SLB;
+ if (port->cfg->bond_mode
+ && !bond_mode_from_string(&s.balance, port->cfg->bond_mode)) {
+ VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
+ port->name, port->cfg->bond_mode,
+ bond_mode_to_string(s.balance));
}
- bond.n_slaves = port->n_ifaces;
- bond.slaves = xmalloc(port->n_ifaces * sizeof *bond.slaves);
- for (i = 0; i < port->n_ifaces; i++) {
- struct iface *iface = port->ifaces[i];
- struct compat_bond_slave *slave = &bond.slaves[i];
- slave->name = iface->name;
+ s.detect = BLSM_CARRIER;
+ detect_s = get_port_other_config(port->cfg, "bond-detect-mode", NULL);
+ if (detect_s && !bond_detect_mode_from_string(&s.detect, detect_s)) {
+ VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
+ "defaulting to %s",
+ port->name, detect_s, bond_detect_mode_to_string(s.detect));
+ }
- /* We need to make the same determination as the Linux bonding
- * code to determine whether a slave should be consider "up".
- * The Linux function bond_miimon_inspect() supports four
- * BOND_LINK_* states:
- *
- * - BOND_LINK_UP: carrier detected, updelay has passed.
- * - BOND_LINK_FAIL: carrier lost, downdelay in progress.
- * - BOND_LINK_DOWN: carrier lost, downdelay has passed.
- * - BOND_LINK_BACK: carrier detected, updelay in progress.
- *
- * The function bond_info_show_slave() only considers BOND_LINK_UP
- * to be "up" and anything else to be "down".
- */
- slave->up = iface->enabled && iface->delay_expires == LLONG_MAX;
- if (slave->up) {
- bond.up = true;
- }
- netdev_get_etheraddr(iface->netdev, slave->mac);
+ s.miimon_interval = atoi(
+ get_port_other_config(port->cfg, "bond-miimon-interval", "200"));
+ if (s.miimon_interval < 100) {
+ s.miimon_interval = 100;
+ }
+
+ s.up_delay = MAX(0, port->cfg->bond_updelay);
+ s.down_delay = MAX(0, port->cfg->bond_downdelay);
+ s.rebalance_interval = atoi(
+ get_port_other_config(port->cfg, "bond-rebalance-interval", "10000"));
+ if (s.rebalance_interval < 1000) {
+ s.rebalance_interval = 1000;
}
- if (port->bond_fake_iface) {
- struct netdev *bond_netdev;
+ s.fake_iface = port->cfg->bond_fake_iface;
- if (!netdev_open_default(port->name, &bond_netdev)) {
- if (bond.up) {
- netdev_turn_flags_on(bond_netdev, NETDEV_UP, true);
- } else {
- netdev_turn_flags_off(bond_netdev, NETDEV_UP, true);
- }
- netdev_close(bond_netdev);
+ if (!port->bond) {
+ port->bond = bond_create(&s);
+ } else {
+ if (bond_reconfigure(port->bond, &s)) {
+ bridge_flush(port->bridge);
}
}
- proc_net_compat_update_bond(port->name, &bond);
- free(bond.slaves);
+ LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
+ uint16_t stable_id = (port->lacp
+ ? lacp_slave_get_port_id(port->lacp, iface)
+ : iface->dp_ifidx);
+ bond_slave_register(iface->port->bond, iface, stable_id,
+ iface->netdev);
+ }
}
static void
-port_update_vlan_compat(struct port *port)
+port_send_learning_packets(struct port *port)
{
struct bridge *br = port->bridge;
- char *vlandev_name = NULL;
-
- if (port->vlan > 0) {
- /* Figure out the name that the VLAN device should actually have, if it
- * existed. This takes some work because the VLAN device would not
- * have port->name in its name; rather, it would have the trunk port's
- * name, and 'port' would be attached to a bridge that also had the
- * VLAN device one of its ports. So we need to find a trunk port that
- * includes port->vlan.
- *
- * There might be more than one candidate. This doesn't happen on
- * XenServer, so if it happens we just pick the first choice in
- * alphabetical order instead of creating multiple VLAN devices. */
- size_t i;
- for (i = 0; i < br->n_ports; i++) {
- struct port *p = br->ports[i];
- if (port_trunks_vlan(p, port->vlan)
- && p->n_ifaces
- && (!vlandev_name || strcmp(p->name, vlandev_name) <= 0))
- {
- uint8_t ea[ETH_ADDR_LEN];
- netdev_get_etheraddr(p->ifaces[0]->netdev, ea);
- if (!eth_addr_is_multicast(ea) &&
- !eth_addr_is_reserved(ea) &&
- !eth_addr_is_zero(ea)) {
- vlandev_name = p->name;
- }
+ int error, n_packets, n_errors;
+ struct mac_entry *e;
+
+ error = n_packets = n_errors = 0;
+ LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
+ if (e->port.p != port) {
+ int ret = bond_send_learning_packet(port->bond, e->mac, e->vlan);
+ if (ret) {
+ error = ret;
+ n_errors++;
}
+ n_packets++;
}
}
- proc_net_compat_update_vlan(port->name, vlandev_name, port->vlan);
-}
-\f
-/* Interface functions. */
-
-static void
-iface_send_packet(struct iface *iface, struct ofpbuf *packet)
-{
- struct flow flow;
- union ofp_action action;
- memset(&action, 0, sizeof action);
- action.output.type = htons(OFPAT_OUTPUT);
- action.output.len = htons(sizeof action);
- action.output.port = htons(odp_port_to_ofp_port(iface->dp_ifidx));
-
- flow_extract(packet, 0, ODPP_NONE, &flow);
-
- if (ofproto_send_packet(iface->port->bridge->ofproto, &flow, &action, 1,
- packet)) {
+ if (n_errors) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
- VLOG_WARN_RL(&rl, "interface %s: Failed to send packet.", iface->name);
+ VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
+ "packets, last error was: %s",
+ port->name, n_errors, n_packets, strerror(error));
+ } else {
+ VLOG_DBG("bond %s: sent %d gratuitous learning packets",
+ port->name, n_packets);
}
}
+\f
+/* Interface functions. */
static struct iface *
iface_create(struct port *port, const struct ovsrec_interface *if_cfg)
iface = xzalloc(sizeof *iface);
iface->port = port;
- iface->port_ifidx = port->n_ifaces;
iface->name = xstrdup(name);
iface->dp_ifidx = -1;
iface->tag = tag_create_random();
- iface->delay_expires = LLONG_MAX;
iface->netdev = NULL;
iface->cfg = if_cfg;
shash_add_assert(&br->iface_by_name, iface->name, iface);
- if (port->n_ifaces >= port->allocated_ifaces) {
- port->ifaces = x2nrealloc(port->ifaces, &port->allocated_ifaces,
- sizeof *port->ifaces);
- }
- port->ifaces[port->n_ifaces++] = iface;
- if (port->n_ifaces > 1) {
- br->has_bonded_ports = true;
- }
+ list_push_back(&port->ifaces, &iface->port_elem);
VLOG_DBG("attached network device %s to port %s", iface->name, port->name);
if (iface) {
struct port *port = iface->port;
struct bridge *br = port->bridge;
- bool del_active = port->active_iface == iface->port_ifidx;
- struct iface *del;
+
+ if (port->bond) {
+ bond_slave_unregister(port->bond, iface);
+ }
+
+ if (port->lacp) {
+ lacp_slave_unregister(port->lacp, iface);
+ }
shash_find_and_delete_assert(&br->iface_by_name, iface->name);
hmap_remove(&br->ifaces, &iface->dp_ifidx_node);
}
- del = port->ifaces[iface->port_ifidx] = port->ifaces[--port->n_ifaces];
- del->port_ifidx = iface->port_ifidx;
+ list_remove(&iface->port_elem);
netdev_close(iface->netdev);
- if (del_active) {
- ofproto_revalidate(port->bridge->ofproto, port->active_iface_tag);
- bond_choose_active_iface(port);
- bond_send_learning_packets(port);
- }
-
- cfm_destroy(iface->cfm);
-
free(iface->name);
free(iface);
return shash_find_data(&br->iface_by_name, name);
}
+static struct iface *
+iface_find(const char *name)
+{
+ const struct bridge *br;
+
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ struct iface *iface = iface_lookup(br, name);
+
+ if (iface) {
+ return iface;
+ }
+ }
+ return NULL;
+}
+
static struct iface *
iface_from_dp_ifidx(const struct bridge *br, uint16_t dp_ifidx)
{
{
uint8_t ea[ETH_ADDR_LEN];
- if (iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
- if (eth_addr_is_multicast(ea)) {
+ if (!strcmp(iface->type, "internal")
+ && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
+ if (iface->dp_ifidx == ODPP_LOCAL) {
+ VLOG_ERR("interface %s: ignoring mac in Interface record "
+ "(use Bridge record to set local port's mac)",
+ iface->name);
+ } else if (eth_addr_is_multicast(ea)) {
VLOG_ERR("interface %s: cannot set MAC to multicast address",
iface->name);
- } else if (iface->dp_ifidx == ODPP_LOCAL) {
- VLOG_ERR("ignoring iface.%s.mac; use bridge.%s.mac instead",
- iface->name, iface->name);
} else {
int error = netdev_set_etheraddr(iface->netdev, ea);
if (error) {
static void
iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
{
- if (if_cfg) {
+ if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
}
}
}
}
+/* Creates 'keys' and 'values' arrays from 'shash'.
+ *
+ * Sets 'keys' and 'values' to heap allocated arrays representing the key-value
+ * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They
+ * are populated with with strings taken directly from 'shash' and thus have
+ * the same ownership of the key-value pairs in shash.
+ */
+static void
+shash_to_ovs_idl_map(struct shash *shash,
+ char ***keys, char ***values, size_t *n)
+{
+ size_t i, count;
+ char **k, **v;
+ struct shash_node *sn;
+
+ count = shash_count(shash);
+
+ k = xmalloc(count * sizeof *k);
+ v = xmalloc(count * sizeof *v);
+
+ i = 0;
+ SHASH_FOR_EACH(sn, shash) {
+ k[i] = sn->name;
+ v[i] = sn->data;
+ i++;
+ }
+
+ *n = count;
+ *keys = k;
+ *values = v;
+}
+
struct iface_delete_queues_cbdata {
struct netdev *netdev;
const struct ovsdb_datum *queues;
iface_update_cfm(struct iface *iface)
{
size_t i;
- struct cfm *cfm;
+ struct cfm cfm;
uint16_t *remote_mps;
struct ovsrec_monitor *mon;
- uint8_t ea[ETH_ADDR_LEN], maid[CCM_MAID_LEN];
+ uint8_t maid[CCM_MAID_LEN];
mon = iface->cfg->monitor;
if (!mon) {
- return;
- }
-
- if (netdev_get_etheraddr(iface->netdev, ea)) {
- VLOG_WARN("interface %s: Failed to get ethernet address. "
- "Skipping Monitor.", iface->name);
+ ofproto_iface_clear_cfm(iface->port->bridge->ofproto, iface->dp_ifidx);
return;
}
return;
}
- if (!iface->cfm) {
- iface->cfm = cfm_create();
- }
-
- cfm = iface->cfm;
- cfm->mpid = mon->mpid;
- cfm->interval = mon->interval ? *mon->interval : 1000;
+ cfm.mpid = mon->mpid;
+ cfm.interval = mon->interval ? *mon->interval : 1000;
- memcpy(cfm->eth_src, ea, sizeof cfm->eth_src);
- memcpy(cfm->maid, maid, sizeof cfm->maid);
+ memcpy(cfm.maid, maid, sizeof cfm.maid);
remote_mps = xzalloc(mon->n_remote_mps * sizeof *remote_mps);
for(i = 0; i < mon->n_remote_mps; i++) {
remote_mps[i] = mon->remote_mps[i]->mpid;
}
- cfm_update_remote_mps(cfm, remote_mps, mon->n_remote_mps);
+
+ ofproto_iface_set_cfm(iface->port->bridge->ofproto, iface->dp_ifidx,
+ &cfm, remote_mps, mon->n_remote_mps);
free(remote_mps);
+}
- if (!cfm_configure(iface->cfm)) {
- cfm_destroy(iface->cfm);
- iface->cfm = NULL;
- }
+/* Read carrier or miimon status directly from 'iface''s netdev, according to
+ * how 'iface''s port is configured.
+ *
+ * Returns true if 'iface' is up, false otherwise. */
+static bool
+iface_get_carrier(const struct iface *iface)
+{
+ /* XXX */
+ return netdev_get_carrier(iface->netdev);
+}
+
+/* Returns true if 'iface' is synthetic, that is, if we constructed it locally
+ * instead of obtaining it from the database. */
+static bool
+iface_is_synthetic(const struct iface *iface)
+{
+ return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
}
\f
/* Port mirroring. */
mirror_reconfigure(struct bridge *br)
{
unsigned long *rspan_vlans;
+ struct port *port;
int i;
/* Get rid of deleted mirrors. */
}
/* Update port reserved status. */
- for (i = 0; i < br->n_ports; i++) {
- br->ports[i]->is_mirror_output_port = false;
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ port->is_mirror_output_port = false;
}
for (i = 0; i < MAX_MIRRORS; i++) {
struct mirror *m = br->mirrors[i];
/* Update flooded vlans (for RSPAN). */
rspan_vlans = NULL;
if (br->cfg->n_flood_vlans) {
- rspan_vlans = bitmap_allocate(4096);
-
- for (i = 0; i < br->cfg->n_flood_vlans; i++) {
- int64_t vlan = br->cfg->flood_vlans[i];
- if (vlan >= 0 && vlan < 4096) {
- bitmap_set1(rspan_vlans, vlan);
- VLOG_INFO("bridge %s: disabling learning on vlan %"PRId64,
- br->name, vlan);
- } else {
- VLOG_ERR("bridge %s: invalid value %"PRId64 "for flood VLAN",
- br->name, vlan);
- }
- }
+ rspan_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
+ br->cfg->n_flood_vlans);
}
if (mac_learning_set_flood_vlans(br->ml, rspan_vlans)) {
bridge_flush(br);
+ mac_learning_flush(br->ml);
}
+ free(rspan_vlans);
}
static void
VLOG_INFO("created port mirror %s on bridge %s", cfg->name, br->name);
bridge_flush(br);
+ mac_learning_flush(br->ml);
br->mirrors[i] = m = xzalloc(sizeof *m);
+ m->uuid = cfg->header_.uuid;
m->bridge = br;
m->idx = i;
m->name = xstrdup(cfg->name);
- shash_init(&m->src_ports);
- shash_init(&m->dst_ports);
+ sset_init(&m->src_ports);
+ sset_init(&m->dst_ports);
m->vlans = NULL;
m->n_vlans = 0;
m->out_vlan = -1;
{
if (m) {
struct bridge *br = m->bridge;
- size_t i;
+ struct port *port;
- for (i = 0; i < br->n_ports; i++) {
- br->ports[i]->src_mirrors &= ~(MIRROR_MASK_C(1) << m->idx);
- br->ports[i]->dst_mirrors &= ~(MIRROR_MASK_C(1) << m->idx);
+ HMAP_FOR_EACH (port, hmap_node, &br->ports) {
+ port->src_mirrors &= ~(MIRROR_MASK_C(1) << m->idx);
+ port->dst_mirrors &= ~(MIRROR_MASK_C(1) << m->idx);
}
- shash_destroy(&m->src_ports);
- shash_destroy(&m->dst_ports);
+ sset_destroy(&m->src_ports);
+ sset_destroy(&m->dst_ports);
free(m->vlans);
m->bridge->mirrors[m->idx] = NULL;
free(m);
bridge_flush(br);
+ mac_learning_flush(br->ml);
}
}
static void
mirror_collect_ports(struct mirror *m, struct ovsrec_port **ports, int n_ports,
- struct shash *names)
+ struct sset *names)
{
size_t i;
for (i = 0; i < n_ports; i++) {
const char *name = ports[i]->name;
if (port_lookup(m->bridge, name)) {
- shash_add_once(names, name, NULL);
+ sset_add(names, name);
} else {
VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
"port %s", m->bridge->name, m->name, name);
return false;
}
-static bool
-port_trunks_any_mirrored_vlan(const struct mirror *m, const struct port *p)
-{
- size_t i;
-
- for (i = 0; i < m->n_vlans; i++) {
- if (port_trunks_vlan(p, m->vlans[i])) {
- return true;
- }
- }
- return false;
-}
-
static void
mirror_reconfigure_one(struct mirror *m, struct ovsrec_mirror *cfg)
{
- struct shash src_ports, dst_ports;
+ struct sset src_ports, dst_ports;
mirror_mask_t mirror_bit;
struct port *out_port;
+ struct port *port;
int out_vlan;
size_t n_vlans;
int *vlans;
- size_t i;
/* Set name. */
if (strcmp(cfg->name, m->name)) {
return;
}
- shash_init(&src_ports);
- shash_init(&dst_ports);
+ sset_init(&src_ports);
+ sset_init(&dst_ports);
if (cfg->select_all) {
- for (i = 0; i < m->bridge->n_ports; i++) {
- const char *name = m->bridge->ports[i]->name;
- shash_add_once(&src_ports, name, NULL);
- shash_add_once(&dst_ports, name, NULL);
+ HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
+ sset_add(&src_ports, port->name);
+ sset_add(&dst_ports, port->name);
}
vlans = NULL;
n_vlans = 0;
}
/* Update mirror data. */
- if (!shash_equal_keys(&m->src_ports, &src_ports)
- || !shash_equal_keys(&m->dst_ports, &dst_ports)
+ if (!sset_equals(&m->src_ports, &src_ports)
+ || !sset_equals(&m->dst_ports, &dst_ports)
|| m->n_vlans != n_vlans
|| memcmp(m->vlans, vlans, sizeof *vlans * n_vlans)
|| m->out_port != out_port
|| m->out_vlan != out_vlan) {
bridge_flush(m->bridge);
+ mac_learning_flush(m->bridge->ml);
}
- shash_swap(&m->src_ports, &src_ports);
- shash_swap(&m->dst_ports, &dst_ports);
+ sset_swap(&m->src_ports, &src_ports);
+ sset_swap(&m->dst_ports, &dst_ports);
free(m->vlans);
m->vlans = vlans;
m->n_vlans = n_vlans;
/* Update ports. */
mirror_bit = MIRROR_MASK_C(1) << m->idx;
- for (i = 0; i < m->bridge->n_ports; i++) {
- struct port *port = m->bridge->ports[i];
-
- if (shash_find(&m->src_ports, port->name)
- || (m->n_vlans
- && (!port->vlan
- ? port_trunks_any_mirrored_vlan(m, port)
- : vlan_is_mirrored(m, port->vlan)))) {
+ HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
+ if (sset_contains(&m->src_ports, port->name)) {
port->src_mirrors |= mirror_bit;
} else {
port->src_mirrors &= ~mirror_bit;
}
- if (shash_find(&m->dst_ports, port->name)) {
+ if (sset_contains(&m->dst_ports, port->name)) {
port->dst_mirrors |= mirror_bit;
} else {
port->dst_mirrors &= ~mirror_bit;
}
/* Clean up. */
- shash_destroy(&src_ports);
- shash_destroy(&dst_ports);
+ sset_destroy(&src_ports);
+ sset_destroy(&dst_ports);
}