#include <arpa/inet.h>
#include <ctype.h>
#include <inttypes.h>
+#include <sys/socket.h>
#include <net/if.h>
#include <openflow/openflow.h>
#include <signal.h>
#include "dynamic-string.h"
#include "flow.h"
#include "hash.h"
+#include "hmap.h"
#include "jsonrpc.h"
#include "list.h"
#include "mac-learning.h"
#include "ofpbuf.h"
#include "ofproto/netflow.h"
#include "ofproto/ofproto.h"
+#include "ovsdb-data.h"
#include "packets.h"
#include "poll-loop.h"
-#include "port-array.h"
#include "proc-net-compat.h"
#include "process.h"
#include "sha1.h"
#include "socket-util.h"
#include "stream-ssl.h"
#include "svec.h"
+#include "system-stats.h"
#include "timeval.h"
#include "util.h"
#include "unixctl.h"
#include "vconn.h"
#include "vswitchd/vswitch-idl.h"
#include "xenserver.h"
+#include "vlog.h"
#include "xtoxll.h"
#include "sflow_api.h"
-#define THIS_MODULE VLM_bridge
-#include "vlog.h"
+VLOG_DEFINE_THIS_MODULE(bridge)
struct dst {
uint16_t vlan;
long long delay_expires; /* Time after which 'enabled' may change. */
/* These members are valid only after bridge_reconfigure() causes them to
- * be initialized.*/
+ * 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? */
-
- /* This member is only valid *during* bridge_reconfigure(). */
+ const char *type; /* Usually same as cfg->type. */
const struct ovsrec_interface *cfg;
};
struct bridge *bridge;
size_t idx;
char *name;
+ 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 bridge *bridge;
size_t port_idx;
int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
- unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1. */
+ 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.
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 bond_next_fake_iface_update; /* Next update to fake bond stats. */
+ 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. */
/* Port mirroring info. */
mirror_mask_t src_mirrors; /* Mirrors triggered when packet received. */
mirror_mask_t dst_mirrors; /* Mirrors triggered when packet sent. */
bool is_mirror_output_port; /* Does port mirroring send frames here? */
-
- /* This member is only valid *during* bridge_reconfigure(). */
- const struct ovsrec_port *cfg;
};
#define DP_MAX_PORTS 255
struct list node; /* Node in global list of bridges. */
char *name; /* User-specified arbitrary name. */
struct mac_learning *ml; /* MAC learning table. */
- bool sent_config_request; /* Successfully sent config request? */
uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
+ const struct ovsrec_bridge *cfg;
/* OpenFlow switch processing. */
struct ofproto *ofproto; /* OpenFlow switch. */
- /* Description strings. */
- char *mfr_desc; /* Manufacturer. */
- char *hw_desc; /* Hardware. */
- char *sw_desc; /* Software version. */
- char *serial_desc; /* Serial number. */
- char *dp_desc; /* Datapath description. */
-
/* Kernel datapath information. */
struct dpif *dpif; /* Datapath. */
- struct port_array ifaces; /* Indexed by kernel datapath port number. */
+ struct hmap ifaces; /* Contains "struct iface"s. */
/* Bridge ports. */
struct port **ports;
size_t n_ports, allocated_ports;
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;
/* Flow tracking. */
bool flush;
- /* Flow statistics gathering. */
- time_t next_stats_request;
-
/* Port mirroring. */
struct mirror *mirrors[MAX_MIRRORS];
-
- /* This member is only valid *during* bridge_reconfigure(). */
- const struct ovsrec_bridge *cfg;
};
/* List of all bridges. */
static struct list all_bridges = LIST_INITIALIZER(&all_bridges);
-/* Maximum number of datapaths. */
-enum { DP_MAX = 256 };
+/* OVSDB IDL used to obtain configuration. */
+static struct ovsdb_idl *idl;
+
+/* Each time this timer expires, the bridge fetches systems and interface
+ * statistics and pushes them into the database. */
+#define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
+static long long int stats_timer = 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 unixctl_cb_func bridge_unixctl_dump_flows;
+static unixctl_cb_func bridge_unixctl_reconnect;
static int bridge_run_one(struct bridge *);
-static size_t bridge_get_controllers(const struct ovsrec_open_vswitch *ovs_cfg,
- const struct bridge *br,
+static size_t bridge_get_controllers(const struct bridge *br,
struct ovsrec_controller ***controllersp);
-static void bridge_reconfigure_one(const struct ovsrec_open_vswitch *,
- struct bridge *);
-static void bridge_reconfigure_remotes(const struct ovsrec_open_vswitch *,
- struct bridge *,
+static void bridge_reconfigure_one(struct bridge *);
+static void bridge_reconfigure_remotes(struct bridge *,
const struct sockaddr_in *managers,
size_t n_managers);
static void bridge_get_all_ifaces(const struct bridge *, struct shash *ifaces);
static void port_update_vlan_compat(struct port *);
static void port_update_bonding(struct port *);
-static struct mirror *mirror_create(struct bridge *, const char *name);
+static void mirror_create(struct bridge *, struct ovsrec_mirror *);
static void mirror_destroy(struct mirror *);
static void mirror_reconfigure(struct bridge *);
static void mirror_reconfigure_one(struct mirror *, struct ovsrec_mirror *);
static bool vlan_is_mirrored(const struct mirror *, int vlan);
-static struct iface *iface_create(struct port *port,
+static struct iface *iface_create(struct port *port,
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_from_dp_ifidx(const struct bridge *,
uint16_t dp_ifidx);
-static bool iface_is_internal(const struct bridge *, const char *name);
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 shash_from_ovs_idl_map(char **keys, char **values, size_t n,
+ struct shash *);
/* Hooks into ofproto processing. */
static struct ofhooks bridge_ofhooks;
\f
/* Public functions. */
-/* Adds the name of each interface used by a bridge, including local and
- * internal ports, to 'svec'. */
+/* Initializes the bridge module, configuring it to obtain its configuration
+ * from an OVSDB server accessed over 'remote', which should be a string in a
+ * form acceptable to ovsdb_idl_create(). */
void
-bridge_get_ifaces(struct svec *svec)
+bridge_init(const char *remote)
{
- struct bridge *br, *next;
- size_t i, j;
+ /* Create connection to database. */
+ idl = ovsdb_idl_create(remote, &ovsrec_idl_class);
- LIST_FOR_EACH_SAFE (br, next, struct bridge, node, &all_bridges) {
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
+ ovsdb_idl_set_write_only(idl, &ovsrec_open_vswitch_col_cur_cfg);
+ ovsdb_idl_set_write_only(idl, &ovsrec_open_vswitch_col_statistics);
+ ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
- for (j = 0; j < port->n_ifaces; j++) {
- struct iface *iface = port->ifaces[j];
- if (iface->dp_ifidx < 0) {
- VLOG_ERR("%s interface not in datapath %s, ignoring",
- iface->name, dpif_name(br->dpif));
- } else {
- if (iface->dp_ifidx != ODPP_LOCAL) {
- svec_add(svec, iface->name);
- }
- }
- }
- }
- }
+ 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_set_write_only(idl, &ovsrec_interface_col_ofport);
+ ovsdb_idl_set_write_only(idl, &ovsrec_interface_col_statistics);
+ ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
+
+ /* Register unixctl commands. */
+ unixctl_command_register("fdb/show", bridge_unixctl_fdb_show, NULL);
+ unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows,
+ NULL);
+ unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect,
+ NULL);
+ bond_init();
}
-void
-bridge_init(const struct ovsrec_open_vswitch *cfg)
+/* 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;
size_t i;
- unixctl_command_register("fdb/show", bridge_unixctl_fdb_show, NULL);
+ /* Only do this once per ovs-vswitchd run. */
+ if (already_configured_once) {
+ return;
+ }
+ already_configured_once = true;
+
+ stats_timer = time_msec() + STATS_INTERVAL;
+ /* Get all the configured bridges' names from 'cfg' into 'bridge_names'. */
svec_init(&bridge_names);
for (i = 0; i < cfg->n_bridges; i++) {
svec_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);
dp_enumerate_types(&dpif_types);
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++) {
goto found;
}
}
+
+ /* 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);
-
- unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows,
- NULL);
-
- bond_init();
- bridge_reconfigure(cfg);
}
-#ifdef HAVE_OPENSSL
+/* 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.
+ *
+ * The value strings in '*options' are taken directly from if_cfg, not copied,
+ * so the caller should not modify or free them. */
static void
-bridge_configure_ssl(const struct ovsrec_ssl *ssl)
+iface_get_options(const struct ovsrec_interface *if_cfg, struct shash *options)
{
- /* XXX SSL should be configurable on a per-bridge basis. */
- if (ssl) {
- stream_ssl_set_private_key_file(ssl->private_key);
- stream_ssl_set_certificate_file(ssl->certificate);
- stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
+ 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);
+ }
}
}
-#endif
-/* Attempt to create the network device 'iface_name' through the netdev
+/* Returns the type of network device that 'iface' should have. (This is
+ * ordinarily the same type as the interface, but the network devices for
+ * "internal" ports have type "system".) */
+static const char *
+iface_get_netdev_type(const struct iface *iface)
+{
+ return !strcmp(iface->type, "internal") ? "system" : iface->type;
+}
+
+/* Attempt to create the network device for 'iface' through the netdev
* library. */
static int
-set_up_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface,
- bool create)
+create_iface_netdev(struct iface *iface)
{
- struct shash_node *node;
+ struct netdev_options netdev_options;
struct shash options;
- int error = 0;
- size_t i;
-
- shash_init(&options);
- for (i = 0; i < iface_cfg->n_options; i++) {
- shash_add(&options, iface_cfg->key_options[i],
- xstrdup(iface_cfg->value_options[i]));
- }
-
- if (create) {
- struct netdev_options netdev_options;
-
- memset(&netdev_options, 0, sizeof netdev_options);
- netdev_options.name = iface_cfg->name;
- if (!strcmp(iface_cfg->type, "internal")) {
- /* An "internal" config type maps to a netdev "system" type. */
- netdev_options.type = "system";
- } else {
- netdev_options.type = iface_cfg->type;
- }
- netdev_options.args = &options;
- netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
- netdev_options.may_create = true;
- if (iface_is_internal(iface->port->bridge, iface_cfg->name)) {
- netdev_options.may_open = true;
- }
+ int error;
- error = netdev_open(&netdev_options, &iface->netdev);
+ memset(&netdev_options, 0, sizeof netdev_options);
+ netdev_options.name = iface->cfg->name;
+ netdev_options.type = iface_get_netdev_type(iface);
+ netdev_options.args = &options;
+ netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
- if (iface->netdev) {
- netdev_get_carrier(iface->netdev, &iface->enabled);
- }
- } else if (iface->netdev) {
- const char *netdev_type = netdev_get_type(iface->netdev);
- const char *iface_type = iface_cfg->type && strlen(iface_cfg->type)
- ? iface_cfg->type : NULL;
+ iface_get_options(iface->cfg, &options);
- /* An "internal" config type maps to a netdev "system" type. */
- if (iface_type && !strcmp(iface_type, "internal")) {
- iface_type = "system";
- }
+ error = netdev_open(&netdev_options, &iface->netdev);
- if (!iface_type || !strcmp(netdev_type, iface_type)) {
- error = netdev_reconfigure(iface->netdev, &options);
- } else {
- VLOG_WARN("%s: attempting change device type from %s to %s",
- iface_cfg->name, netdev_type, iface_type);
- error = EINVAL;
- }
+ if (iface->netdev) {
+ iface->enabled = netdev_get_carrier(iface->netdev);
}
- SHASH_FOR_EACH (node, &options) {
- free(node->data);
- }
shash_destroy(&options);
return error;
}
static int
-reconfigure_iface(const struct ovsrec_interface *iface_cfg, struct iface *iface)
+reconfigure_iface_netdev(struct iface *iface)
{
- return set_up_iface(iface_cfg, iface, false);
-}
+ const char *netdev_type, *iface_type;
+ struct shash options;
+ int error;
-static bool
-check_iface_netdev(struct bridge *br OVS_UNUSED, struct iface *iface,
- void *aux OVS_UNUSED)
-{
- if (!iface->netdev) {
- int error = set_up_iface(iface->cfg, iface, true);
- if (error) {
- VLOG_WARN("could not open netdev on %s, dropping: %s", iface->name,
- strerror(error));
- return false;
- }
+ /* Skip reconfiguration if the device has the wrong type. This shouldn't
+ * happen, but... */
+ iface_type = iface_get_netdev_type(iface);
+ netdev_type = netdev_get_type(iface->netdev);
+ if (iface_type && strcmp(netdev_type, iface_type)) {
+ VLOG_WARN("%s: attempting change device type from %s to %s",
+ iface->cfg->name, netdev_type, iface_type);
+ return EINVAL;
}
- return true;
+ /* Reconfigure device. */
+ iface_get_options(iface->cfg, &options);
+ error = netdev_reconfigure(iface->netdev, &options);
+ shash_destroy(&options);
+
+ return error;
}
+/* Callback for iterate_and_prune_ifaces(). */
static bool
-check_iface_dp_ifidx(struct bridge *br, struct iface *iface,
- void *aux OVS_UNUSED)
+check_iface(struct bridge *br, struct iface *iface, void *aux OVS_UNUSED)
{
- if (iface->dp_ifidx >= 0) {
- VLOG_DBG("%s has interface %s on port %d",
- dpif_name(br->dpif),
- iface->name, iface->dp_ifidx);
- return true;
- } else {
+ 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 MAC address of internal interfaces other than the local
* interface. */
- if (iface->dp_ifidx != ODPP_LOCAL
- && iface_is_internal(br, iface->name)) {
+ if (iface->dp_ifidx != ODPP_LOCAL && !strcmp(iface->type, "internal")) {
iface_set_mac(iface);
}
if (cb(br, iface, aux)) {
j++;
} else {
+ iface_set_ofport(iface->cfg, -1);
iface_destroy(iface);
}
}
*n_managersp = n_managers;
}
-void
+static void
bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
{
- struct ovsdb_idl_txn *txn;
struct shash old_br, new_br;
struct shash_node *node;
struct bridge *br, *next;
COVERAGE_INC(bridge_reconfigure);
- txn = ovsdb_idl_txn_create(ovs_cfg->header_.table->idl);
-
collect_managers(ovs_cfg, &managers, &n_managers);
/* Collect old and new bridges. */
shash_init(&old_br);
shash_init(&new_br);
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
shash_add(&old_br, br->name, br);
}
for (i = 0; i < ovs_cfg->n_bridges; i++) {
}
/* Get rid of deleted bridges and add new bridges. */
- LIST_FOR_EACH_SAFE (br, next, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH_SAFE (br, next, node, &all_bridges) {
struct ovsrec_bridge *br_cfg = shash_find_data(&new_br, br->name);
if (br_cfg) {
br->cfg = br_cfg;
shash_destroy(&old_br);
shash_destroy(&new_br);
-#ifdef HAVE_OPENSSL
- /* Configure SSL. */
- bridge_configure_ssl(ovs_cfg->ssl);
-#endif
-
/* Reconfigure all bridges. */
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
- bridge_reconfigure_one(ovs_cfg, br);
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ bridge_reconfigure_one(br);
}
/* Add and delete ports on all datapaths.
* The kernel will reject any attempt to add a given port to a datapath if
* that port already belongs to a different datapath, so we must do all
* port deletions before any port additions. */
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
struct odp_port *dpif_ports;
size_t n_dpif_ports;
struct shash want_ifaces;
shash_destroy(&want_ifaces);
free(dpif_ports);
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
struct odp_port *dpif_ports;
size_t n_dpif_ports;
struct shash cur_ifaces, want_ifaces;
- struct shash_node *node;
/* 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;
- if (!shash_find(&cur_ifaces, name)) {
- shash_add(&cur_ifaces, name, NULL);
- }
+ shash_add_once(&cur_ifaces, name, &dpif_ports[i]);
}
- free(dpif_ports);
/* Get the set of interfaces we want on this datapath. */
bridge_get_all_ifaces(br, &want_ifaces);
+ hmap_clear(&br->ifaces);
SHASH_FOR_EACH (node, &want_ifaces) {
const char *if_name = node->name;
struct iface *iface = node->data;
-
- if (shash_find(&cur_ifaces, if_name)) {
- /* Already exists, just reconfigure it. */
+ bool internal = !iface || !strcmp(iface->type, "internal");
+ struct odp_port *dpif_port = shash_find_data(&cur_ifaces, if_name);
+ int error;
+
+ /* 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). */
+ if (internal
+ ? dpif_port && !(dpif_port->flags & ODP_PORT_INTERNAL)
+ : (iface->netdev
+ && strcmp(iface->type, netdev_get_type(iface->netdev))))
+ {
+ if (dpif_port) {
+ error = ofproto_port_del(br->ofproto, dpif_port->port);
+ if (error) {
+ continue;
+ }
+ dpif_port = NULL;
+ }
if (iface) {
- reconfigure_iface(iface->cfg, iface);
+ netdev_close(iface->netdev);
+ iface->netdev = NULL;
}
- } else {
- /* Need to add to datapath. */
- bool internal;
- int error;
+ }
+
+ /* If it's not an internal port, open (possibly create) the
+ * netdev. */
+ if (!internal) {
+ if (!iface->netdev) {
+ error = create_iface_netdev(iface);
+ if (error) {
+ VLOG_WARN("could not create iface %s: %s", iface->name,
+ strerror(error));
+ continue;
+ }
+ } else {
+ reconfigure_iface_netdev(iface);
+ }
+ }
- /* Add to datapath. */
- internal = iface_is_internal(br, if_name);
+ /* If it's not part of the datapath, add it. */
+ if (!dpif_port) {
error = dpif_port_add(br->dpif, if_name,
internal ? ODP_PORT_INTERNAL : 0, NULL);
if (error == EFBIG) {
} else if (error) {
VLOG_ERR("failed to add %s interface to %s: %s",
if_name, dpif_name(br->dpif), strerror(error));
+ continue;
+ }
+ }
+
+ /* If it's an internal port, open the netdev. */
+ if (internal) {
+ if (iface && !iface->netdev) {
+ error = create_iface_netdev(iface);
+ if (error) {
+ VLOG_WARN("could not create iface %s: %s", iface->name,
+ strerror(error));
+ continue;
+ }
}
+ } else {
+ assert(iface->netdev != NULL);
}
}
+ free(dpif_ports);
shash_destroy(&cur_ifaces);
shash_destroy(&want_ifaces);
}
sflow_bridge_number = 0;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
uint8_t ea[8];
uint64_t dpid;
struct iface *local_iface;
bridge_fetch_dp_ifaces(br);
- iterate_and_prune_ifaces(br, check_iface_netdev, NULL);
- iterate_and_prune_ifaces(br, check_iface_dp_ifidx, NULL);
+ iterate_and_prune_ifaces(br, check_iface, NULL);
/* Pick local port hardware address, datapath ID. */
bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
ofproto_set_datapath_id(br->ofproto, dpid);
- dpid_string = xasprintf("%012"PRIx64, dpid);
+ dpid_string = xasprintf("%016"PRIx64, dpid);
ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
free(dpid_string);
opts.collectors.n = nf_cfg->n_targets;
opts.collectors.names = nf_cfg->targets;
if (ofproto_set_netflow(br->ofproto, &opts)) {
- VLOG_ERR("bridge %s: problem setting netflow collectors",
+ VLOG_ERR("bridge %s: problem setting netflow collectors",
br->name);
}
} else {
struct ovsrec_controller **controllers;
struct ofproto_sflow_options oso;
size_t n_controllers;
- size_t i;
memset(&oso, 0, sizeof oso);
oso.agent_device = sflow_cfg->agent;
oso.control_ip = NULL;
- n_controllers = bridge_get_controllers(ovs_cfg, br, &controllers);
+ n_controllers = bridge_get_controllers(br, &controllers);
for (i = 0; i < n_controllers; i++) {
if (controllers[i]->local_ip) {
oso.control_ip = controllers[i]->local_ip;
* yet; when a controller is configured, resetting the datapath ID will
* immediately disconnect from the controller, so it's better to set
* the datapath ID before the controller. */
- bridge_reconfigure_remotes(ovs_cfg, br, managers, n_managers);
+ bridge_reconfigure_remotes(br, managers, n_managers);
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
for (i = 0; i < br->n_ports; i++) {
struct port *port = br->ports[i];
+ int j;
port_update_vlan_compat(port);
port_update_bonding(port);
+
+ for (j = 0; j < port->n_ifaces; j++) {
+ iface_update_qos(port->ifaces[j], port->cfg->qos);
+ }
}
}
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
iterate_and_prune_ifaces(br, set_iface_properties, NULL);
}
- ovsrec_open_vswitch_set_cur_cfg(ovs_cfg, ovs_cfg->next_cfg);
-
- ovsdb_idl_txn_commit(txn);
- ovsdb_idl_txn_destroy(txn); /* XXX */
-
free(managers);
}
static const char *
-get_ovsrec_key_value(const char *key, char **keys, char **values, size_t n)
+get_ovsrec_key_value(const struct ovsdb_idl_row *row,
+ const struct ovsdb_idl_column *column,
+ const char *key)
{
- size_t i;
-
- for (i = 0; i < n; i++) {
- if (!strcmp(keys[i], key)) {
- return values[i];
- }
- }
- return NULL;
+ const struct ovsdb_datum *datum;
+ union ovsdb_atom atom;
+ unsigned int idx;
+
+ datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING);
+ atom.string = (char *) key;
+ idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING);
+ return idx == UINT_MAX ? NULL : datum->values[idx].string;
}
static const char *
bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key)
{
- return get_ovsrec_key_value(key,
- br_cfg->key_other_config,
- br_cfg->value_other_config,
- br_cfg->n_other_config);
+ return get_ovsrec_key_value(&br_cfg->header_,
+ &ovsrec_bridge_col_other_config, key);
}
static void
return eth_addr_to_uint64(hash);
}
-int
+static void
+iface_refresh_stats(struct iface *iface)
+{
+ struct iface_stat {
+ char *name;
+ int offset;
+ };
+ static const struct iface_stat iface_stats[] = {
+ { "rx_packets", offsetof(struct netdev_stats, rx_packets) },
+ { "tx_packets", offsetof(struct netdev_stats, tx_packets) },
+ { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) },
+ { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) },
+ { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) },
+ { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) },
+ { "rx_errors", offsetof(struct netdev_stats, rx_errors) },
+ { "tx_errors", offsetof(struct netdev_stats, tx_errors) },
+ { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) },
+ { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) },
+ { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) },
+ { "collisions", offsetof(struct netdev_stats, collisions) },
+ };
+ enum { N_STATS = ARRAY_SIZE(iface_stats) };
+ const struct iface_stat *s;
+
+ char *keys[N_STATS];
+ int64_t values[N_STATS];
+ int n;
+
+ struct netdev_stats stats;
+
+ /* 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);
+
+ n = 0;
+ for (s = iface_stats; s < &iface_stats[N_STATS]; s++) {
+ uint64_t value = *(uint64_t *) (((char *) &stats) + s->offset);
+ if (value != UINT64_MAX) {
+ keys[n] = s->name;
+ values[n] = value;
+ n++;
+ }
+ }
+
+ ovsrec_interface_set_statistics(iface->cfg, keys, values, n);
+}
+
+static void
+refresh_system_stats(const struct ovsrec_open_vswitch *cfg)
+{
+ struct ovsdb_datum datum;
+ struct shash stats;
+
+ shash_init(&stats);
+ get_system_stats(&stats);
+
+ ovsdb_datum_from_shash(&datum, &stats);
+ ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
+ &datum);
+}
+
+void
bridge_run(void)
{
- struct bridge *br, *next;
- int retval;
+ const struct ovsrec_open_vswitch *cfg;
+
+ bool datapath_destroyed;
+ bool database_changed;
+ struct bridge *br;
- retval = 0;
- LIST_FOR_EACH_SAFE (br, next, struct bridge, node, &all_bridges) {
+ /* Let each bridge do the work that it needs to do. */
+ datapath_destroyed = false;
+ LIST_FOR_EACH (br, node, &all_bridges) {
int error = bridge_run_one(br);
if (error) {
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, "
"forcing reconfiguration", br->name);
- if (!retval) {
- retval = error;
+ datapath_destroyed = true;
+ }
+ }
+
+ /* (Re)configure if necessary. */
+ database_changed = ovsdb_idl_run(idl);
+ cfg = ovsrec_open_vswitch_first(idl);
+ if (database_changed || datapath_destroyed) {
+ if (cfg) {
+ struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
+
+ bridge_configure_once(cfg);
+ bridge_reconfigure(cfg);
+
+ ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
+ ovsdb_idl_txn_commit(txn);
+ ovsdb_idl_txn_destroy(txn); /* XXX */
+ } else {
+ /* We still need to reconfigure to avoid dangling pointers to
+ * now-destroyed ovsrec structures inside bridge data. */
+ static const struct ovsrec_open_vswitch null_cfg;
+
+ bridge_reconfigure(&null_cfg);
+ }
+ }
+
+#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) {
+ struct ovsdb_idl_txn *txn;
+
+ txn = ovsdb_idl_txn_create(idl);
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ size_t i;
+
+ for (i = 0; i < br->n_ports; i++) {
+ struct port *port = br->ports[i];
+ size_t j;
+
+ for (j = 0; j < port->n_ifaces; j++) {
+ struct iface *iface = port->ifaces[j];
+ iface_refresh_stats(iface);
+ }
+ }
}
+ refresh_system_stats(cfg);
+ ovsdb_idl_txn_commit(txn);
+ ovsdb_idl_txn_destroy(txn); /* XXX */
}
+
+ stats_timer = time_msec() + STATS_INTERVAL;
}
- return retval;
}
void
{
struct bridge *br;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
ofproto_wait(br->ofproto);
- if (ofproto_has_controller(br->ofproto)) {
+ if (ofproto_has_primary_controller(br->ofproto)) {
continue;
}
mac_learning_wait(br->ml);
bond_wait(br);
}
+ ovsdb_idl_wait(idl);
+ poll_timer_wait_until(stats_timer);
}
/* Forces 'br' to revalidate all of its flows. This is appropriate when 'br''s
}
ds_put_cstr(&ds, " port VLAN MAC Age\n");
- LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
+ LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
if (e->port < 0 || e->port >= br->n_ports) {
continue;
}
br->name = xstrdup(br_cfg->name);
br->cfg = br_cfg;
br->ml = mac_learning_create();
- br->sent_config_request = false;
eth_addr_nicira_random(br->default_ea);
- port_array_init(&br->ifaces);
+ hmap_init(&br->ifaces);
+ shash_init(&br->port_by_name);
shash_init(&br->iface_by_name);
br->flush = false;
dpif_close(br->dpif);
ofproto_destroy(br->ofproto);
mac_learning_destroy(br->ml);
- port_array_destroy(&br->ifaces);
+ hmap_destroy(&br->ifaces);
+ shash_destroy(&br->port_by_name);
shash_destroy(&br->iface_by_name);
free(br->ports);
free(br->name);
{
struct bridge *br;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
if (!strcmp(br->name, name)) {
return br;
}
return NULL;
}
-bool
-bridge_exists(const char *name)
-{
- return bridge_lookup(name) ? true : false;
-}
-
-uint64_t
-bridge_get_datapathid(const char *name)
-{
- struct bridge *br = bridge_lookup(name);
- return br ? ofproto_get_datapath_id(br->ofproto) : 0;
-}
-
/* Handle requests for a listing of all flows known by the OpenFlow
* stack, including those normally hidden. */
static void
{
struct bridge *br;
struct ds results;
-
+
br = bridge_lookup(args);
if (!br) {
unixctl_command_reply(conn, 501, "Unknown bridge");
ds_destroy(&results);
}
+/* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
+ * connections and reconnect. If BRIDGE is not specified, then all bridges
+ * drop their controller connections and reconnect. */
+static void
+bridge_unixctl_reconnect(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
+{
+ struct bridge *br;
+ if (args[0] != '\0') {
+ br = bridge_lookup(args);
+ if (!br) {
+ unixctl_command_reply(conn, 501, "Unknown bridge");
+ return;
+ }
+ ofproto_reconnect_controllers(br->ofproto);
+ } else {
+ LIST_FOR_EACH (br, node, &all_bridges) {
+ ofproto_reconnect_controllers(br->ofproto);
+ }
+ }
+ unixctl_command_reply(conn, 200, NULL);
+}
+
static int
bridge_run_one(struct bridge *br)
{
}
static size_t
-bridge_get_controllers(const struct ovsrec_open_vswitch *ovs_cfg,
- const struct bridge *br,
+bridge_get_controllers(const struct bridge *br,
struct ovsrec_controller ***controllersp)
{
struct ovsrec_controller **controllers;
size_t n_controllers;
- if (br->cfg->n_controller) {
- controllers = br->cfg->controller;
- n_controllers = br->cfg->n_controller;
- } else {
- controllers = ovs_cfg->controller;
- n_controllers = ovs_cfg->n_controller;
- }
+ controllers = br->cfg->controller;
+ n_controllers = br->cfg->n_controller;
if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
controllers = NULL;
}
static void
-bridge_update_desc(struct bridge *br OVS_UNUSED)
-{
-#if 0
- bool changed = false;
- const char *desc;
-
- desc = cfg_get_string(0, "bridge.%s.mfr-desc", br->name);
- if (desc != br->mfr_desc) {
- free(br->mfr_desc);
- if (desc) {
- br->mfr_desc = xstrdup(desc);
- } else {
- br->mfr_desc = xstrdup(DEFAULT_MFR_DESC);
- }
- changed = true;
- }
-
- desc = cfg_get_string(0, "bridge.%s.hw-desc", br->name);
- if (desc != br->hw_desc) {
- free(br->hw_desc);
- if (desc) {
- br->hw_desc = xstrdup(desc);
- } else {
- br->hw_desc = xstrdup(DEFAULT_HW_DESC);
- }
- changed = true;
- }
-
- desc = cfg_get_string(0, "bridge.%s.sw-desc", br->name);
- if (desc != br->sw_desc) {
- free(br->sw_desc);
- if (desc) {
- br->sw_desc = xstrdup(desc);
- } else {
- br->sw_desc = xstrdup(DEFAULT_SW_DESC);
- }
- changed = true;
- }
-
- desc = cfg_get_string(0, "bridge.%s.serial-desc", br->name);
- if (desc != br->serial_desc) {
- free(br->serial_desc);
- if (desc) {
- br->serial_desc = xstrdup(desc);
- } else {
- br->serial_desc = xstrdup(DEFAULT_SERIAL_DESC);
- }
- changed = true;
- }
-
- desc = cfg_get_string(0, "bridge.%s.dp-desc", br->name);
- if (desc != br->dp_desc) {
- free(br->dp_desc);
- if (desc) {
- br->dp_desc = xstrdup(desc);
- } else {
- br->dp_desc = xstrdup(DEFAULT_DP_DESC);
- }
- changed = true;
- }
-
- if (changed) {
- ofproto_set_desc(br->ofproto, br->mfr_desc, br->hw_desc,
- br->sw_desc, br->serial_desc, br->dp_desc);
- }
-#endif
-}
-
-static void
-bridge_reconfigure_one(const struct ovsrec_open_vswitch *ovs_cfg,
- struct bridge *br)
+bridge_reconfigure_one(struct bridge *br)
{
struct shash old_ports, new_ports;
- struct svec listeners, old_listeners;
struct svec snoops, old_snoops;
struct shash_node *node;
+ enum ofproto_fail_mode fail_mode;
size_t i;
/* Collect old ports. */
* user didn't specify one.
*
* XXX perhaps we should synthesize a port ourselves in this case. */
- if (bridge_get_controllers(ovs_cfg, br, NULL)) {
+ if (bridge_get_controllers(br, NULL)) {
char local_name[IF_NAMESIZE];
int error;
shash_destroy(&old_ports);
shash_destroy(&new_ports);
+ /* Set the fail-mode */
+ fail_mode = !br->cfg->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?) */
-#if 0
- /* Configure OpenFlow management listeners. */
- svec_init(&listeners);
- cfg_get_all_strings(&listeners, "bridge.%s.openflow.listeners", br->name);
- if (!listeners.n) {
- svec_add_nocopy(&listeners, xasprintf("punix:%s/%s.mgmt",
- ovs_rundir, br->name));
- } else if (listeners.n == 1 && !strcmp(listeners.names[0], "none")) {
- svec_clear(&listeners);
- }
- svec_sort_unique(&listeners);
-
- svec_init(&old_listeners);
- ofproto_get_listeners(br->ofproto, &old_listeners);
- svec_sort_unique(&old_listeners);
-
- if (!svec_equal(&listeners, &old_listeners)) {
- ofproto_set_listeners(br->ofproto, &listeners);
- }
- svec_destroy(&listeners);
- svec_destroy(&old_listeners);
-
/* Configure OpenFlow controller connection snooping. */
svec_init(&snoops);
- cfg_get_all_strings(&snoops, "bridge.%s.openflow.snoops", br->name);
- if (!snoops.n) {
- svec_add_nocopy(&snoops, xasprintf("punix:%s/%s.snoop",
- ovs_rundir, br->name));
- } else if (snoops.n == 1 && !strcmp(snoops.names[0], "none")) {
- svec_clear(&snoops);
- }
- svec_sort_unique(&snoops);
-
- svec_init(&old_snoops);
- ofproto_get_snoops(br->ofproto, &old_snoops);
- svec_sort_unique(&old_snoops);
-
- if (!svec_equal(&snoops, &old_snoops)) {
- ofproto_set_snoops(br->ofproto, &snoops);
- }
- svec_destroy(&snoops);
- svec_destroy(&old_snoops);
-#else
- /* Default listener. */
- svec_init(&listeners);
- svec_add_nocopy(&listeners, xasprintf("punix:%s/%s.mgmt",
- ovs_rundir, br->name));
- svec_init(&old_listeners);
- ofproto_get_listeners(br->ofproto, &old_listeners);
- if (!svec_equal(&listeners, &old_listeners)) {
- ofproto_set_listeners(br->ofproto, &listeners);
- }
- svec_destroy(&listeners);
- svec_destroy(&old_listeners);
-
- /* Default snoop. */
- svec_init(&snoops);
svec_add_nocopy(&snoops, xasprintf("punix:%s/%s.snoop",
ovs_rundir, br->name));
svec_init(&old_snoops);
}
svec_destroy(&snoops);
svec_destroy(&old_snoops);
-#endif
mirror_reconfigure(br);
+}
+
+/* Initializes 'oc' appropriately as a management service controller for
+ * 'br'.
+ *
+ * The caller must free oc->target when it is no longer needed. */
+static void
+bridge_ofproto_controller_for_mgmt(const struct bridge *br,
+ struct ofproto_controller *oc)
+{
+ oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir, br->name);
+ 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;
+}
+
+/* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
+static void
+bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
+ struct ofproto_controller *oc)
+{
+ oc->target = c->target;
+ oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
+ 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);
+}
+
+/* Configures the IP stack for 'br''s local interface properly according to the
+ * configuration in 'c'. */
+static void
+bridge_configure_local_iface_netdev(struct bridge *br,
+ struct ovsrec_controller *c)
+{
+ struct netdev *netdev;
+ struct in_addr mask, gateway;
- bridge_update_desc(br);
+ 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);
+ if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
+ return;
+ }
+
+ /* Bring up the local interface. */
+ netdev = local_iface->netdev;
+ netdev_turn_flags_on(netdev, NETDEV_UP, true);
+
+ /* Configure the IP address and netmask. */
+ if (!c->local_netmask
+ || !inet_aton(c->local_netmask, &mask)
+ || !mask.s_addr) {
+ mask.s_addr = guess_netmask(ip.s_addr);
+ }
+ if (!netdev_set_in4(netdev, ip, mask)) {
+ VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
+ br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
+ }
+
+ /* Configure the default gateway. */
+ if (c->local_gateway
+ && inet_aton(c->local_gateway, &gateway)
+ && gateway.s_addr) {
+ if (!netdev_add_router(netdev, gateway)) {
+ VLOG_INFO("bridge %s: configured gateway "IP_FMT,
+ br->name, IP_ARGS(&gateway.s_addr));
+ }
+ }
}
static void
-bridge_reconfigure_remotes(const struct ovsrec_open_vswitch *ovs_cfg,
- struct bridge *br,
+bridge_reconfigure_remotes(struct bridge *br,
const struct sockaddr_in *managers,
size_t n_managers)
{
struct ovsrec_controller **controllers;
size_t n_controllers;
+ bool had_primary;
+ const char *disable_ib_str;
+ bool disable_in_band = false;
- ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
+ struct ofproto_controller *ocs;
+ size_t n_ocs;
+ size_t i;
- n_controllers = bridge_get_controllers(ovs_cfg, br, &controllers);
- if (ofproto_has_controller(br->ofproto) != (n_controllers != 0)) {
- ofproto_flush_flows(br->ofproto);
+
+ /* Check if we should disable in-band control on this bridge. */
+ disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band");
+ if (disable_ib_str && !strcmp(disable_ib_str, "true")) {
+ disable_in_band = true;
}
- if (!n_controllers) {
- union ofp_action action;
- flow_t flow;
+ if (disable_in_band) {
+ ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
+ } else {
+ ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
+ }
+ had_primary = ofproto_has_primary_controller(br->ofproto);
- /* Clear out controllers. */
- ofproto_set_controllers(br->ofproto, NULL, 0);
+ n_controllers = bridge_get_controllers(br, &controllers);
- /* Set up a flow that matches every packet and directs them to
- * OFPP_NORMAL (which goes to us). */
- memset(&action, 0, sizeof action);
- action.type = htons(OFPAT_OUTPUT);
- action.output.len = htons(sizeof action);
- action.output.port = htons(OFPP_NORMAL);
- memset(&flow, 0, sizeof flow);
- ofproto_add_flow(br->ofproto, &flow, OVSFW_ALL, 0, &action, 1, 0);
- } else {
- struct ofproto_controller *ocs;
- size_t i;
+ ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
+ n_ocs = 0;
- ocs = xmalloc(n_controllers * sizeof *ocs);
- for (i = 0; i < n_controllers; i++) {
- struct ovsrec_controller *c = controllers[i];
- struct ofproto_controller *oc = &ocs[i];
+ bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
+ for (i = 0; i < n_controllers; i++) {
+ struct ovsrec_controller *c = controllers[i];
- if (strcmp(c->target, "discover")) {
- struct iface *local_iface;
- struct in_addr ip;
+ if (!strncmp(c->target, "punix:", 6)
+ || !strncmp(c->target, "unix:", 5)) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+
+ /* 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);
+ continue;
+ }
- local_iface = bridge_get_local_iface(br);
- if (local_iface && c->local_ip
- && inet_aton(c->local_ip, &ip)) {
- struct netdev *netdev = local_iface->netdev;
- struct in_addr mask, gateway;
+ bridge_configure_local_iface_netdev(br, c);
+ bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
+ if (disable_in_band) {
+ ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
+ }
+ n_ocs++;
+ }
- if (!c->local_netmask
- || !inet_aton(c->local_netmask, &mask)) {
- mask.s_addr = 0;
- }
- if (!c->local_gateway
- || !inet_aton(c->local_gateway, &gateway)) {
- gateway.s_addr = 0;
- }
+ ofproto_set_controllers(br->ofproto, ocs, n_ocs);
+ free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
+ free(ocs);
- netdev_turn_flags_on(netdev, NETDEV_UP, true);
- if (!mask.s_addr) {
- mask.s_addr = guess_netmask(ip.s_addr);
- }
- if (!netdev_set_in4(netdev, ip, mask)) {
- VLOG_INFO("bridge %s: configured IP address "IP_FMT", "
- "netmask "IP_FMT,
- br->name, IP_ARGS(&ip.s_addr),
- IP_ARGS(&mask.s_addr));
- }
+ if (had_primary != ofproto_has_primary_controller(br->ofproto)) {
+ ofproto_flush_flows(br->ofproto);
+ }
- if (gateway.s_addr) {
- if (!netdev_add_router(netdev, gateway)) {
- VLOG_INFO("bridge %s: configured gateway "IP_FMT,
- br->name, IP_ARGS(&gateway.s_addr));
- }
- }
- }
- }
+ /* 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 flow flow;
- oc->target = c->target;
- oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
- oc->probe_interval = (c->inactivity_probe
- ? *c->inactivity_probe / 1000 : 5);
- oc->fail = (!c->fail_mode
- || !strcmp(c->fail_mode, "standalone")
- || !strcmp(c->fail_mode, "open")
- ? OFPROTO_FAIL_STANDALONE
- : OFPROTO_FAIL_SECURE);
- 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);
- }
- ofproto_set_controllers(br->ofproto, ocs, n_controllers);
- free(ocs);
+ memset(&action, 0, sizeof action);
+ action.type = htons(OFPAT_OUTPUT);
+ action.output.len = htons(sizeof action);
+ action.output.port = htons(OFPP_NORMAL);
+ memset(&flow, 0, sizeof flow);
+ ofproto_add_flow(br->ofproto, &flow, OVSFW_ALL, 0, &action, 1, 0);
}
}
iface->dp_ifidx = -1;
}
}
- port_array_clear(&br->ifaces);
+ hmap_clear(&br->ifaces);
dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
for (i = 0; i < n_dpif_ports; i++) {
VLOG_WARN("%s reported interface %"PRIu16" twice",
dpif_name(br->dpif), p->port);
} else {
- port_array_set(&br->ifaces, p->port, iface);
iface->dp_ifidx = p->port;
+ hmap_insert(&br->ifaces, &iface->dp_ifidx_node,
+ hash_int(iface->dp_ifidx, 0));
}
- if (iface->cfg) {
- int64_t ofport = (iface->dp_ifidx >= 0
- ? odp_port_to_ofp_port(iface->dp_ifidx)
- : -1);
- ovsrec_interface_set_ofport(iface->cfg, &ofport, 1);
- }
+ iface_set_ofport(iface->cfg,
+ (iface->dp_ifidx >= 0
+ ? odp_port_to_ofp_port(iface->dp_ifidx)
+ : -1));
}
}
free(dpif_ports);
struct netdev_stats slave_stats;
if (!netdev_get_stats(port->ifaces[i]->netdev, &slave_stats)) {
- bond_stats.rx_packets += slave_stats.rx_packets;
- bond_stats.rx_bytes += slave_stats.rx_bytes;
- bond_stats.tx_packets += slave_stats.tx_packets;
- bond_stats.tx_bytes += slave_stats.tx_bytes;
+ /* 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;
}
}
struct port *port = br->ports[i];
if (port->n_ifaces >= 2) {
+ char *devname;
+
+ /* 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) {
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(iface->delay_expires - time_msec());
+ poll_timer_wait_until(iface->delay_expires);
}
}
if (port->bond_fake_iface) {
- poll_timer_wait(port->bond_next_fake_iface_update - time_msec());
+ poll_timer_wait_until(port->bond_next_fake_iface_update);
}
}
}
static bool
-set_dst(struct dst *p, const flow_t *flow,
+set_dst(struct dst *p, const struct flow *flow,
const struct port *in_port, const struct port *out_port,
tag_type *tags)
{
static bool
port_trunks_vlan(const struct port *port, uint16_t vlan)
{
- return port->vlan < 0 && bitmap_is_set(port->trunks, vlan);
+ return (port->vlan < 0
+ && (!port->trunks || bitmap_is_set(port->trunks, vlan)));
}
static bool
return vlan == port->vlan || port_trunks_vlan(port, vlan);
}
+static bool
+port_is_floodable(const struct port *port)
+{
+ int i;
+
+ for (i = 0; i < port->n_ifaces; i++) {
+ if (!ofproto_port_is_floodable(port->bridge->ofproto,
+ port->ifaces[i]->dp_ifidx)) {
+ return false;
+ }
+ }
+ return true;
+}
+
static size_t
-compose_dsts(const struct bridge *br, const flow_t *flow, uint16_t vlan,
+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)
{
/* 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];
- if (port != in_port && port_includes_vlan(port, vlan)
+ 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;
}
static void
-compose_actions(struct bridge *br, const flow_t *flow, uint16_t vlan,
+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,
uint16_t *nf_output_iface)
if (p->vlan == OFP_VLAN_NONE) {
odp_actions_add(actions, ODPAT_STRIP_VLAN);
} else {
- a = odp_actions_add(actions, ODPAT_SET_VLAN_VID);
- a->vlan_vid.vlan_vid = htons(p->vlan);
+ a = odp_actions_add(actions, ODPAT_SET_DL_TCI);
+ a->dl_tci.tci = htons(p->vlan & VLAN_VID_MASK);
+ a->dl_tci.tci |= htons(flow->dl_vlan_pcp << VLAN_PCP_SHIFT);
}
cur_vlan = p->vlan;
}
* 802.1Q header and implicitly tagged ports. A value of 0 indicates that
* the packet is untagged and -1 indicates it has an invalid header and
* should be dropped. */
-static int flow_get_vlan(struct bridge *br, const flow_t *flow,
+static int flow_get_vlan(struct bridge *br, const struct flow *flow,
struct port *in_port, bool have_packet)
{
/* Note that dl_vlan of 0 and of OFP_VLAN_NONE both mean that the packet
return vlan;
}
+/* A VM broadcasts a gratuitous ARP to indicate that it has resumed after
+ * migration. Older Citrix-patched Linux DomU used gratuitous ARP replies to
+ * indicate this; newer upstream kernels use gratuitous ARP requests. */
+static bool
+is_gratuitous_arp(const struct flow *flow)
+{
+ return (flow->dl_type == htons(ETH_TYPE_ARP)
+ && eth_addr_is_broadcast(flow->dl_dst)
+ && (flow->nw_proto == ARP_OP_REPLY
+ || (flow->nw_proto == ARP_OP_REQUEST
+ && flow->nw_src == flow->nw_dst)));
+}
+
static void
-update_learning_table(struct bridge *br, const flow_t *flow, int vlan,
+update_learning_table(struct bridge *br, const struct flow *flow, int vlan,
struct port *in_port)
{
- tag_type rev_tag = mac_learning_learn(br->ml, flow->dl_src,
- vlan, in_port->port_idx);
+ 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) {
/* The log messages here could actually be useful in debugging,
* so keep the rate limit relatively high. */
}
}
-static bool
-is_bcast_arp_reply(const flow_t *flow)
-{
- return (flow->dl_type == htons(ETH_TYPE_ARP)
- && flow->nw_proto == ARP_OP_REPLY
- && eth_addr_is_broadcast(flow->dl_dst));
-}
-
/* Determines whether packets in 'flow' within 'br' should be forwarded or
* dropped. Returns true if they may be forwarded, false if they should be
* dropped.
* so in one special case.
*/
static bool
-is_admissible(struct bridge *br, const flow_t *flow, bool have_packet,
+is_admissible(struct bridge *br, const struct flow *flow, bool have_packet,
tag_type *tags, int *vlanp, struct port **in_portp)
{
struct iface *in_iface;
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_WARN_RL(&rl, "bridge %s: received packet on unknown "
- "interface %"PRIu16, br->name, flow->in_port);
+ "interface %"PRIu16, br->name, flow->in_port);
}
*in_portp = NULL;
/* 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 (eth_addr_is_multicast(flow->dl_dst)) {
*tags |= in_port->active_iface_tag;
/* 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. Broadcast ARP replies are an exception
- * to this rule: the host has moved to another switch. */
- src_idx = mac_learning_lookup(br->ml, flow->dl_src, vlan);
+ * 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_bcast_arp_reply(flow)) {
+ (!is_gratuitous_arp(flow) || is_grat_arp_locked)) {
return false;
}
}
* returns true. Otherwise, the actions should only be applied to 'packet', or
* not at all, if 'packet' was NULL. */
static bool
-process_flow(struct bridge *br, const flow_t *flow,
+process_flow(struct bridge *br, const struct flow *flow,
const struct ofpbuf *packet, struct odp_actions *actions,
tag_type *tags, uint16_t *nf_output_iface)
{
}
/* Determine output port. */
- out_port_idx = mac_learning_lookup_tag(br->ml, flow->dl_dst, vlan, tags);
+ 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];
} else if (!packet && !eth_addr_is_multicast(flow->dl_dst)) {
return true;
}
-/* Careful: 'opp' is in host byte order and opp->port_no is an OFP port
- * number. */
-static void
-bridge_port_changed_ofhook_cb(enum ofp_port_reason reason,
- const struct ofp_phy_port *opp,
- void *br_)
-{
- struct bridge *br = br_;
- struct iface *iface;
- struct port *port;
-
- iface = iface_from_dp_ifidx(br, ofp_port_to_odp_port(opp->port_no));
- if (!iface) {
- return;
- }
- port = iface->port;
-
- if (reason == OFPPR_DELETE) {
- VLOG_WARN("bridge %s: interface %s deleted unexpectedly",
- br->name, iface->name);
- iface_destroy(iface);
- if (!port->n_ifaces) {
- VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
- br->name, port->name);
- port_destroy(port);
- }
-
- bridge_flush(br);
- } else {
- if (port->n_ifaces > 1) {
- bool up = !(opp->state & OFPPS_LINK_DOWN);
- bond_link_status_update(iface, up);
- port_update_bond_compat(port);
- }
- }
-}
-
static bool
-bridge_normal_ofhook_cb(const flow_t *flow, const struct ofpbuf *packet,
+bridge_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet,
struct odp_actions *actions, tag_type *tags,
uint16_t *nf_output_iface, void *br_)
{
struct bridge *br = br_;
COVERAGE_INC(bridge_process_flow);
+
return process_flow(br, flow, packet, actions, tags, nf_output_iface);
}
static void
-bridge_account_flow_ofhook_cb(const flow_t *flow,
+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_)
struct bridge *br = br_;
const union odp_action *a;
struct port *in_port;
- tag_type tags = 0;
+ tag_type dummy = 0;
int vlan;
- /* Feed information from the active flows back into the learning table
- * to ensure that table is always in sync with what is actually flowing
- * through the datapath. */
- if (is_admissible(br, flow, false, &tags, &vlan, &in_port)) {
+ /* Feed information from the active flows back into the learning table to
+ * ensure that table is always in sync with what is actually flowing
+ * 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);
}
static struct ofhooks bridge_ofhooks = {
- bridge_port_changed_ofhook_cb,
bridge_normal_ofhook_cb,
bridge_account_flow_ofhook_cb,
bridge_account_checkpoint_ofhook_cb,
* 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. */
- size_t i;
bool order_swapped;
for (i = 0; i < from->n_hashes; i++) {
ofpbuf_init(&packet, 128);
error = n_packets = n_errors = 0;
- LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
+ LIST_FOR_EACH (e, lru_node, &br->ml->lrus) {
union ofp_action actions[2], *a;
uint16_t dp_ifidx;
tag_type tags = 0;
- flow_t flow;
+ struct flow flow;
int retval;
if (e->port == port->port_idx
ds_put_cstr(&ds, "bridge\tbond\tslaves\n");
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
size_t i;
for (i = 0; i < br->n_ports; i++) {
{
const struct bridge *br;
- LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
+ LIST_FOR_EACH (br, node, &all_bridges) {
size_t i;
for (i = 0; i < br->n_ports; i++) {
hash, be->tx_bytes / 1024);
/* MACs. */
- LIST_FOR_EACH (me, struct mac_entry, lru_node,
- &port->bridge->ml->lrus) {
+ LIST_FOR_EACH (me, lru_node, &port->bridge->ml->lrus) {
uint16_t dp_ifidx;
tag_type tags = 0;
if (bond_hash(me->mac) == hash
sizeof *br->ports);
}
br->ports[br->n_ports++] = port;
+ shash_add_assert(&br->port_by_name, port->name, port);
VLOG_INFO("created port %s on bridge %s", port->name, br->name);
bridge_flush(br);
get_port_other_config(const struct ovsrec_port *port, const char *key,
const char *default_value)
{
- const char *value = get_ovsrec_key_value(key,
- port->key_other_config,
- port->value_other_config,
- port->n_other_config);
+ const char *value;
+
+ value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config,
+ key);
return value ? value : default_value;
}
if (port->updelay < 0) {
port->updelay = 0;
}
- port->updelay = cfg->bond_downdelay;
+ port->downdelay = cfg->bond_downdelay;
if (port->downdelay < 0) {
port->downdelay = 0;
}
if (!shash_add_once(&new_ifaces, if_cfg->name, NULL)) {
VLOG_WARN("port %s: %s specified twice as port interface",
port->name, if_cfg->name);
+ iface_set_ofport(if_cfg, -1);
continue;
}
}
iface->cfg = if_cfg;
} else {
- iface_create(port, if_cfg);
+ iface = iface_create(port, if_cfg);
}
+
+ /* Determine interface type. The local port always has type
+ * "internal". Other ports take their type from the database and
+ * default to "system" if none is specified. */
+ iface->type = (!strcmp(if_cfg->name, port->bridge->name) ? "internal"
+ : if_cfg->type[0] ? if_cfg->type
+ : "system");
}
shash_destroy(&new_ifaces);
/* Get trunked VLANs. */
trunks = NULL;
- if (vlan < 0) {
+ if (vlan < 0 && cfg->n_trunks) {
size_t n_errors;
- size_t i;
trunks = bitmap_allocate(4096);
n_errors = 0;
port->name, cfg->n_trunks);
}
if (n_errors == cfg->n_trunks) {
- if (n_errors) {
- VLOG_ERR("port %s: no valid trunks, trunking all VLANs",
- port->name);
- }
- bitmap_set_multiple(trunks, 0, 4096, 1);
- }
- } else {
- if (cfg->n_trunks) {
- VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
+ 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
}
bitmap_free(port->trunks);
port->trunks = trunks;
-
- shash_destroy(&new_ifaces);
}
static void
iface_destroy(port->ifaces[port->n_ifaces - 1]);
}
+ 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;
+ VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name);
+
+ netdev_monitor_destroy(port->monitor);
free(port->ifaces);
bitmap_free(port->trunks);
free(port->name);
static struct port *
port_lookup(const struct bridge *br, const char *name)
{
- size_t i;
-
- for (i = 0; i < br->n_ports; i++) {
- struct port *port = br->ports[i];
- if (!strcmp(port->name, name)) {
- return port;
- }
- }
- return NULL;
+ return shash_find_data(&br->port_by_name, name);
}
static struct iface *
static void
port_update_bonding(struct port *port)
{
+ if (port->monitor) {
+ netdev_monitor_destroy(port->monitor);
+ port->monitor = NULL;
+ }
if (port->n_ifaces < 2) {
/* Not a bonded port. */
if (port->bond_hash) {
port->bond_fake_iface = false;
}
} else {
- if (!port->bond_hash) {
- size_t i;
+ size_t i;
+ 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];
}
port->bond_compat_is_stale = true;
port->bond_fake_iface = port->cfg->bond_fake_iface;
+
+ port->monitor = netdev_monitor_create();
+ for (i = 0; i < port->n_ifaces; i++) {
+ netdev_monitor_add(port->monitor, port->ifaces[i]->netdev);
+ }
}
}
/* 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
+ * 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
+ * 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;
struct bridge *br = port->bridge;
struct iface *iface;
char *name = if_cfg->name;
- int error;
iface = xzalloc(sizeof *iface);
iface->port = port;
iface->netdev = NULL;
iface->cfg = if_cfg;
- /* Attempt to create the network interface in case it doesn't exist yet. */
- if (!iface_is_internal(br, iface->name)) {
- error = set_up_iface(if_cfg, iface, true);
- if (error) {
- VLOG_WARN("could not create iface %s: %s", iface->name,
- strerror(error));
-
- free(iface->name);
- free(iface);
- return NULL;
- }
- }
-
shash_add_assert(&br->iface_by_name, iface->name, iface);
if (port->n_ifaces >= port->allocated_ifaces) {
shash_find_and_delete_assert(&br->iface_by_name, iface->name);
if (iface->dp_ifidx >= 0) {
- port_array_set(&br->ifaces, iface->dp_ifidx, NULL);
+ hmap_remove(&br->ifaces, &iface->dp_ifidx_node);
}
del = port->ifaces[iface->port_ifidx] = port->ifaces[--port->n_ifaces];
static struct iface *
iface_from_dp_ifidx(const struct bridge *br, uint16_t dp_ifidx)
-{
- return port_array_get(&br->ifaces, dp_ifidx);
-}
-
-/* Returns true if 'iface' is the name of an "internal" interface on bridge
- * 'br', that is, an interface that is entirely simulated within the datapath.
- * The local port (ODPP_LOCAL) is always an internal interface. Other local
- * interfaces are created by setting "iface.<iface>.internal = true".
- *
- * In addition, we have a kluge-y feature that creates an internal port with
- * the name of a bonded port if "bonding.<bondname>.fake-iface = true" is set.
- * This feature needs to go away in the long term. Until then, this is one
- * reason why this function takes a name instead of a struct iface: the fake
- * interfaces created this way do not have a struct iface. */
-static bool
-iface_is_internal(const struct bridge *br, const char *if_name)
{
struct iface *iface;
- struct port *port;
- if (!strcmp(if_name, br->name)) {
- return true;
- }
-
- iface = iface_lookup(br, if_name);
- if (iface && !strcmp(iface->cfg->type, "internal")) {
- return true;
- }
-
- port = port_lookup(br, if_name);
- if (port && port->n_ifaces > 1 && port->cfg->bond_fake_iface) {
- return true;
+ HMAP_FOR_EACH_IN_BUCKET (iface, dp_ifidx_node,
+ hash_int(dp_ifidx, 0), &br->ifaces) {
+ if (iface->dp_ifidx == dp_ifidx) {
+ return iface;
+ }
}
- return false;
+ return NULL;
}
/* Set Ethernet address of 'iface', if one is specified in the configuration
}
}
}
+
+/* Sets the ofport column of 'if_cfg' to 'ofport'. */
+static void
+iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
+{
+ if (if_cfg) {
+ ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
+ }
+}
+
+/* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'.
+ *
+ * The value strings in '*shash' are taken directly from values[], not copied,
+ * so the caller should not modify or free them. */
+static void
+shash_from_ovs_idl_map(char **keys, char **values, size_t n,
+ struct shash *shash)
+{
+ size_t i;
+
+ shash_init(shash);
+ for (i = 0; i < n; i++) {
+ shash_add(shash, keys[i], values[i]);
+ }
+}
+
+struct iface_delete_queues_cbdata {
+ struct netdev *netdev;
+ const struct ovsdb_datum *queues;
+};
+
+static bool
+queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
+{
+ union ovsdb_atom atom;
+
+ atom.integer = target;
+ return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
+}
+
+static void
+iface_delete_queues(unsigned int queue_id,
+ const struct shash *details OVS_UNUSED, void *cbdata_)
+{
+ struct iface_delete_queues_cbdata *cbdata = cbdata_;
+
+ if (!queue_ids_include(cbdata->queues, queue_id)) {
+ netdev_delete_queue(cbdata->netdev, queue_id);
+ }
+}
+
+static void
+iface_update_qos(struct iface *iface, const struct ovsrec_qos *qos)
+{
+ if (!qos || qos->type[0] == '\0') {
+ netdev_set_qos(iface->netdev, NULL, NULL);
+ } else {
+ struct iface_delete_queues_cbdata cbdata;
+ struct shash details;
+ size_t i;
+
+ /* Configure top-level Qos for 'iface'. */
+ shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config,
+ qos->n_other_config, &details);
+ netdev_set_qos(iface->netdev, qos->type, &details);
+ shash_destroy(&details);
+
+ /* Deconfigure queues that were deleted. */
+ cbdata.netdev = iface->netdev;
+ cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
+ OVSDB_TYPE_UUID);
+ netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
+
+ /* Configure queues for 'iface'. */
+ for (i = 0; i < qos->n_queues; i++) {
+ const struct ovsrec_queue *queue = qos->value_queues[i];
+ unsigned int queue_id = qos->key_queues[i];
+
+ shash_from_ovs_idl_map(queue->key_other_config,
+ queue->value_other_config,
+ queue->n_other_config, &details);
+ netdev_set_queue(iface->netdev, queue_id, &details);
+ shash_destroy(&details);
+ }
+ }
+}
\f
/* Port mirroring. */
+static struct mirror *
+mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
+{
+ int i;
+
+ for (i = 0; i < MAX_MIRRORS; i++) {
+ struct mirror *m = br->mirrors[i];
+ if (m && uuid_equals(uuid, &m->uuid)) {
+ return m;
+ }
+ }
+ return NULL;
+}
+
static void
mirror_reconfigure(struct bridge *br)
{
- struct shash old_mirrors, new_mirrors;
- struct shash_node *node;
unsigned long *rspan_vlans;
int i;
- /* Collect old mirrors. */
- shash_init(&old_mirrors);
+ /* Get rid of deleted mirrors. */
for (i = 0; i < MAX_MIRRORS; i++) {
- if (br->mirrors[i]) {
- shash_add(&old_mirrors, br->mirrors[i]->name, br->mirrors[i]);
+ struct mirror *m = br->mirrors[i];
+ if (m) {
+ const struct ovsdb_datum *mc;
+ union ovsdb_atom atom;
+
+ mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
+ atom.uuid = br->mirrors[i]->uuid;
+ if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
+ mirror_destroy(m);
+ }
}
}
- /* Collect new mirrors. */
- shash_init(&new_mirrors);
+ /* Add new mirrors and reconfigure existing ones. */
for (i = 0; i < br->cfg->n_mirrors; i++) {
struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
- if (!shash_add_once(&new_mirrors, cfg->name, cfg)) {
- VLOG_WARN("bridge %s: %s specified twice as mirror",
- br->name, cfg->name);
- }
- }
-
- /* Get rid of deleted mirrors and add new mirrors. */
- SHASH_FOR_EACH (node, &old_mirrors) {
- if (!shash_find(&new_mirrors, node->name)) {
- mirror_destroy(node->data);
- }
- }
- SHASH_FOR_EACH (node, &new_mirrors) {
- struct mirror *mirror = shash_find_data(&old_mirrors, node->name);
- if (!mirror) {
- mirror = mirror_create(br, node->name);
- if (!mirror) {
- break;
- }
+ struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
+ if (m) {
+ mirror_reconfigure_one(m, cfg);
+ } else {
+ mirror_create(br, cfg);
}
- mirror_reconfigure_one(mirror, node->data);
}
- shash_destroy(&old_mirrors);
- shash_destroy(&new_mirrors);
/* Update port reserved status. */
for (i = 0; i < br->n_ports; i++) {
}
}
-static struct mirror *
-mirror_create(struct bridge *br, const char *name)
+static void
+mirror_create(struct bridge *br, struct ovsrec_mirror *cfg)
{
struct mirror *m;
size_t i;
for (i = 0; ; i++) {
if (i >= MAX_MIRRORS) {
VLOG_WARN("bridge %s: maximum of %d port mirrors reached, "
- "cannot create %s", br->name, MAX_MIRRORS, name);
- return NULL;
+ "cannot create %s", br->name, MAX_MIRRORS, cfg->name);
+ return;
}
if (!br->mirrors[i]) {
break;
}
}
- VLOG_INFO("created port mirror %s on bridge %s", name, br->name);
+ VLOG_INFO("created port mirror %s on bridge %s", cfg->name, br->name);
bridge_flush(br);
br->mirrors[i] = m = xzalloc(sizeof *m);
m->bridge = br;
m->idx = i;
- m->name = xstrdup(name);
+ m->name = xstrdup(cfg->name);
shash_init(&m->src_ports);
shash_init(&m->dst_ports);
m->vlans = NULL;
m->out_vlan = -1;
m->out_port = NULL;
- return m;
+ mirror_reconfigure_one(m, cfg);
}
static void
free(m->vlans);
m->bridge->mirrors[m->idx] = NULL;
+ free(m->name);
free(m);
bridge_flush(br);
int *vlans;
size_t i;
+ /* Set name. */
+ if (strcmp(cfg->name, m->name)) {
+ free(m->name);
+ m->name = xstrdup(cfg->name);
+ }
+
/* Get output port. */
if (cfg->output_port) {
out_port = port_lookup(m->bridge, cfg->output_port->name);