-/* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks
+/* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "util.h"
#include "unixctl.h"
#include "vlandev.h"
-#include "vswitch-idl.h"
+#include "lib/vswitch-idl.h"
#include "xenserver.h"
#include "vlog.h"
#include "sflow_api.h"
COVERAGE_DEFINE(bridge_reconfigure);
+/* Configuration of an uninstantiated iface. */
+struct if_cfg {
+ struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */
+ const struct ovsrec_interface *cfg; /* Interface record. */
+ const struct ovsrec_port *parent; /* Parent port record. */
+};
+
+/* OpenFlow port slated for removal from ofproto. */
+struct ofpp_garbage {
+ struct list list_node; /* Node in bridge's ofpp_garbage. */
+ uint16_t ofp_port; /* Port to be deleted. */
+};
+
struct iface {
/* These members are always valid. */
struct list port_elem; /* Element in struct port's "ifaces" list. */
struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
struct port *port; /* Containing port. */
char *name; /* Host network device name. */
- tag_type tag; /* Tag associated with this interface. */
/* These members are valid only after bridge_reconfigure() causes them to
* be initialized. */
};
struct port {
- struct bridge *bridge;
struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
+ struct bridge *bridge;
char *name;
const struct ovsrec_port *cfg;
struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
struct hmap iface_by_name; /* "struct iface"s indexed by name. */
+ struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */
+ struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation.
+ Indexed on 'cfg->name'. */
+
/* Port mirroring. */
struct hmap mirrors; /* "struct mirror" indexed by UUID. */
/* OVSDB IDL used to obtain configuration. */
static struct ovsdb_idl *idl;
+/* Most recently processed IDL sequence number. */
+static unsigned int idl_seqno;
+
/* 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. */
#define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */
static long long int db_limiter = LLONG_MIN;
+/* In some datapaths, creating and destroying OpenFlow ports can be extremely
+ * expensive. This can cause bridge_reconfigure() to take a long time during
+ * which no other work can be done. To deal with this problem, we limit port
+ * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
+ * call to bridge_reconfigure(). If there is more work to do after the limit
+ * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
+ * This allows the rest of the code to catch up on important things like
+ * forwarding packets. */
+#define OFP_PORT_ACTION_WINDOW 10
+static bool reconfiguring = false;
+
static void add_del_bridges(const struct ovsrec_open_vswitch *);
-static void bridge_del_ofprotos(void);
-static bool bridge_add_ofprotos(struct bridge *);
+static void bridge_update_ofprotos(void);
static void bridge_create(const struct ovsrec_bridge *);
static void bridge_destroy(struct bridge *);
static struct bridge *bridge_lookup(const char *name);
struct ovsrec_controller ***controllersp);
static void bridge_add_del_ports(struct bridge *,
const unsigned long int *splinter_vlans);
-static void bridge_add_ofproto_ports(struct bridge *);
-static void bridge_del_ofproto_ports(struct bridge *);
static void bridge_refresh_ofp_port(struct bridge *);
static void bridge_configure_datapath_id(struct bridge *);
static void bridge_configure_flow_eviction_threshold(struct bridge *);
static uint64_t bridge_pick_datapath_id(struct bridge *,
const uint8_t bridge_ea[ETH_ADDR_LEN],
struct iface *hw_addr_iface);
-static const char *bridge_get_other_config(const struct ovsrec_bridge *,
- const char *key);
-static const char *get_port_other_config(const struct ovsrec_port *,
- const char *key,
- const char *default_value);
+static void bridge_queue_if_cfg(struct bridge *,
+ const struct ovsrec_interface *,
+ const struct ovsrec_port *);
static uint64_t dpid_from_hash(const void *, size_t nbytes);
static bool bridge_has_bond_fake_iface(const struct bridge *,
const char *name);
static unixctl_cb_func qos_unixctl_show;
static struct port *port_create(struct bridge *, const struct ovsrec_port *);
-static void port_add_ifaces(struct port *);
static void port_del_ifaces(struct port *);
static void port_destroy(struct port *);
static struct port *port_lookup(const struct bridge *, const char *name);
static void mirror_refresh_stats(struct mirror *);
static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
-static struct iface *iface_create(struct port *port,
- const struct ovsrec_interface *if_cfg);
+static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
+static const char *iface_get_type(const struct ovsrec_interface *,
+ const struct ovsrec_bridge *);
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 if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
static struct iface *iface_from_ofp_port(const struct bridge *,
uint16_t ofp_port);
static void iface_set_mac(struct iface *);
static void iface_refresh_stats(struct iface *);
static void iface_refresh_status(struct iface *);
static bool iface_is_synthetic(const struct iface *);
-static const char *get_interface_other_config(const struct ovsrec_interface *,
- const char *key,
- const char *default_value);
-
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 *,
{
/* Create connection to database. */
idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
+ idl_seqno = ovsdb_idl_get_seqno(idl);
ovsdb_idl_set_lock(idl, "ovs_vswitchd");
ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
+ ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
{
unsigned long int *splinter_vlans;
- struct sockaddr_in *managers;
- struct bridge *br, *next;
- int sflow_bridge_number;
- size_t n_managers;
+ struct bridge *br;
COVERAGE_INC(bridge_reconfigure);
- /* Create and destroy "struct bridge"s, "struct port"s, and "struct
- * iface"s according to 'ovs_cfg', with only very minimal configuration
- * otherwise.
+ assert(!reconfiguring);
+ reconfiguring = true;
+
+ /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
+ * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
+ * configuration otherwise.
*
- * This is mostly an update to bridge data structures. Very little is
- * pushed down to ofproto or lower layers. */
+ * This is mostly an update to bridge data structures. Nothing is pushed
+ * down to ofproto or lower layers. */
add_del_bridges(ovs_cfg);
splinter_vlans = collect_splinter_vlans(ovs_cfg);
HMAP_FOR_EACH (br, node, &all_bridges) {
}
free(splinter_vlans);
- /* Delete all datapaths and datapath ports that are no longer configured.
- *
- * 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. A datapath always has a
- * "local port" so we must delete not-configured datapaths too. */
- bridge_del_ofprotos();
+ /* Delete datapaths that are no longer configured, and create ones which
+ * don't exist but should. */
+ bridge_update_ofprotos();
+
+ /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
HMAP_FOR_EACH (br, node, &all_bridges) {
- if (br->ofproto) {
- bridge_del_ofproto_ports(br);
+ bridge_refresh_ofp_port(br);
+ }
+
+ /* Clear database records for "if_cfg"s which haven't been instantiated. */
+ HMAP_FOR_EACH (br, node, &all_bridges) {
+ struct if_cfg *if_cfg;
+
+ HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
+ iface_clear_db_record(if_cfg->cfg);
}
}
+}
- /* Create datapaths and datapath ports that are missing.
- *
- * After this is done, we have our final set of bridges, ports, and
- * interfaces. Every "struct bridge" has an ofproto, every "struct port"
- * has at least one iface, every "struct iface" has a valid ofp_port and
- * netdev. */
- HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
- if (!br->ofproto) {
- if (bridge_add_ofprotos(br)) {
- bridge_del_ofproto_ports(br);
- } else {
- bridge_destroy(br);
+static bool
+bridge_reconfigure_ofp(void)
+{
+ long long int deadline;
+ struct bridge *br;
+
+ time_refresh();
+ deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
+
+ /* 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. */
+ HMAP_FOR_EACH (br, node, &all_bridges) {
+ struct ofpp_garbage *garbage, *next;
+
+ LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
+ ofproto_port_del(br->ofproto, garbage->ofp_port);
+ list_remove(&garbage->list_node);
+ free(garbage);
+
+ time_refresh();
+ if (time_msec() >= deadline) {
+ return false;
}
}
}
+
HMAP_FOR_EACH (br, node, &all_bridges) {
- bridge_refresh_ofp_port(br);
- bridge_add_ofproto_ports(br);
+ struct if_cfg *if_cfg, *next;
+
+ HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
+ iface_create(br, if_cfg, -1);
+ time_refresh();
+ if (time_msec() >= deadline) {
+ return false;
+ }
+ }
}
+ return true;
+}
+
+static bool
+bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
+{
+ struct sockaddr_in *managers;
+ int sflow_bridge_number;
+ size_t n_managers;
+ struct bridge *br;
+ bool done;
+
+ assert(reconfiguring);
+ done = bridge_reconfigure_ofp();
+
/* Complete the configuration. */
sflow_bridge_number = 0;
collect_in_band_managers(ovs_cfg, &managers, &n_managers);
}
free(managers);
- /* ovs-vswitchd has completed initialization, so allow the process that
- * forked us to exit successfully. */
- daemonize_complete();
+ if (done) {
+ /* ovs-vswitchd has completed initialization, so allow the process that
+ * forked us to exit successfully. */
+ daemonize_complete();
+ reconfiguring = false;
+ }
+
+ return done;
}
-/* Iterate over all ofprotos and delete any of them that do not have a
- * configured bridge or that are the wrong type. */
+/* Delete ofprotos which aren't configured or have the wrong type. Create
+ * ofprotos which don't exist but need to. */
static void
-bridge_del_ofprotos(void)
+bridge_update_ofprotos(void)
{
+ struct bridge *br, *next;
struct sset names;
struct sset types;
const char *type;
+ /* Delete ofprotos with no bridge or with the wrong type. */
sset_init(&names);
sset_init(&types);
ofproto_enumerate_types(&types);
ofproto_enumerate_names(type, &names);
SSET_FOR_EACH (name, &names) {
- struct bridge *br = bridge_lookup(name);
+ br = bridge_lookup(name);
if (!br || strcmp(type, br->type)) {
ofproto_delete(name, type);
}
}
sset_destroy(&names);
sset_destroy(&types);
-}
-static bool
-bridge_add_ofprotos(struct bridge *br)
-{
- int error = ofproto_create(br->name, br->type, &br->ofproto);
- if (error) {
- VLOG_ERR("failed to create bridge %s: %s", br->name, strerror(error));
- return false;
+ /* Add ofprotos for bridges which don't have one yet. */
+ HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
+ struct bridge *br2;
+ int error;
+
+ if (br->ofproto) {
+ continue;
+ }
+
+ /* Remove ports from any datapath with the same name as 'br'. If we
+ * don't do this, creating 'br''s ofproto will fail because a port with
+ * the same name as its local port already exists. */
+ HMAP_FOR_EACH (br2, node, &all_bridges) {
+ struct ofproto_port ofproto_port;
+
+ if (!br2->ofproto) {
+ continue;
+ }
+
+ if (!ofproto_port_query_by_name(br2->ofproto, br->name,
+ &ofproto_port)) {
+ error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
+ if (error) {
+ VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
+ strerror(error));
+ }
+ ofproto_port_destroy(&ofproto_port);
+ }
+ }
+
+ error = ofproto_create(br->name, br->type, &br->ofproto);
+ if (error) {
+ VLOG_ERR("failed to create bridge %s: %s", br->name,
+ strerror(error));
+ bridge_destroy(br);
+ }
}
- return true;
}
static void
s.vlan_mode = PORT_VLAN_TRUNK;
}
}
- s.use_priority_tags = !strcmp("true", get_port_other_config(
+ s.use_priority_tags = !strcmp("true", ovsrec_port_get_other_config_value(
cfg, "priority-tags", ""));
/* Get LACP settings. */
const char *config_str;
struct iface *iface;
- config_str = get_port_other_config(port->cfg, "stp-enable", NULL);
+ config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-enable",
+ NULL);
if (config_str && !strcmp(config_str, "false")) {
port_s->enable = false;
return;
return;
}
- config_str = get_port_other_config(port->cfg, "stp-port-num", NULL);
+ config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-port-num",
+ NULL);
if (config_str) {
unsigned long int port_num = strtoul(config_str, NULL, 0);
int port_idx = port_num - 1;
port_s->port_num = (*port_num_counter)++;
}
- config_str = get_port_other_config(port->cfg, "stp-path-cost", NULL);
+ config_str = ovsrec_port_get_other_config_value(port->cfg, "stp-path-cost",
+ NULL);
if (config_str) {
port_s->path_cost = strtoul(config_str, NULL, 10);
} else {
}
}
- config_str = get_port_other_config(port->cfg, "stp-port-priority", NULL);
+ config_str = ovsrec_port_get_other_config_value(port->cfg,
+ "stp-port-priority",
+ NULL);
if (config_str) {
port_s->priority = strtoul(config_str, NULL, 0);
} else {
int port_num_counter;
unsigned long *port_num_bitmap;
- config_str = bridge_get_other_config(br->cfg, "stp-system-id");
+ config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "stp-system-id",
+ NULL);
if (config_str) {
uint8_t ea[ETH_ADDR_LEN];
br_s.system_id = eth_addr_to_uint64(br->ea);
}
- config_str = bridge_get_other_config(br->cfg, "stp-priority");
+ config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "stp-priority",
+ NULL);
if (config_str) {
br_s.priority = strtoul(config_str, NULL, 0);
} else {
br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
}
- config_str = bridge_get_other_config(br->cfg, "stp-hello-time");
+ config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "stp-hello-time",
+ NULL);
if (config_str) {
br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
} else {
br_s.hello_time = STP_DEFAULT_HELLO_TIME;
}
- config_str = bridge_get_other_config(br->cfg, "stp-max-age");
+ config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "stp-max-age",
+ NULL);
if (config_str) {
br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
} else {
br_s.max_age = STP_DEFAULT_MAX_AGE;
}
- config_str = bridge_get_other_config(br->cfg, "stp-forward-delay");
+ config_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "stp-forward-delay",
+ NULL);
if (config_str) {
br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
} else {
shash_destroy(&new_br);
}
-/* Delete each ofproto port on 'br' that doesn't have a corresponding "struct
- * iface".
- *
- * 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. */
static void
-bridge_del_ofproto_ports(struct bridge *br)
+iface_set_ofp_port(struct iface *iface, int ofp_port)
{
- struct ofproto_port_dump dump;
- struct ofproto_port ofproto_port;
+ struct bridge *br = iface->port->bridge;
- OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
- const char *name = ofproto_port.name;
- struct iface *iface;
- const char *type;
- int error;
+ assert(iface->ofp_port < 0 && ofp_port >= 0);
+ iface->ofp_port = ofp_port;
+ hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
+ iface_set_ofport(iface->cfg, ofp_port);
+}
- /* Ignore the local port. We can't change it anyhow. */
- if (!strcmp(name, br->name)) {
- continue;
- }
+/* Configures 'netdev' based on the "options" column in 'iface_cfg'.
+ * Returns 0 if successful, otherwise a positive errno value. */
+static int
+iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
+ struct netdev *netdev)
+{
+ struct shash args;
+ int error;
- /* Get the type that 'ofproto_port' should have (ordinarily the
- * type of its corresponding iface) or NULL if it should be
- * deleted. */
- iface = iface_lookup(br, name);
- type = (iface ? iface->type
- : bridge_has_bond_fake_iface(br, name) ? "internal"
- : NULL);
+ shash_init(&args);
+ shash_from_ovs_idl_map(iface_cfg->key_options,
+ iface_cfg->value_options,
+ iface_cfg->n_options, &args);
+ error = netdev_set_config(netdev, &args);
+ shash_destroy(&args);
- /* If it's the wrong type then delete the ofproto port. */
- if (type
- && !strcmp(ofproto_port.type, type)
- && (!iface || !iface->netdev
- || !strcmp(netdev_get_type(iface->netdev), type))) {
- continue;
- }
- error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port);
- if (error) {
- VLOG_WARN("bridge %s: failed to remove %s interface (%s)",
- br->name, name, strerror(error));
- }
- if (iface) {
- netdev_close(iface->netdev);
- iface->netdev = NULL;
- }
+ if (error) {
+ VLOG_WARN("could not configure network device %s (%s)",
+ iface_cfg->name, strerror(error));
}
+ return error;
}
-static void
-iface_set_ofp_port(struct iface *iface, int ofp_port)
+/* This function determines whether 'ofproto_port', which is attached to
+ * br->ofproto's datapath, is one that we want in 'br'.
+ *
+ * If it is, it returns true, after creating an iface (if necessary),
+ * configuring the iface's netdev according to the iface's options, and setting
+ * iface's ofp_port member to 'ofproto_port->ofp_port'.
+ *
+ * If, on the other hand, 'port' should be removed, it returns false. The
+ * caller should later detach the port from br->ofproto. */
+static bool
+bridge_refresh_one_ofp_port(struct bridge *br,
+ const struct ofproto_port *ofproto_port)
{
- struct bridge *br = iface->port->bridge;
+ const char *name = ofproto_port->name;
+ const char *type = ofproto_port->type;
+ uint16_t ofp_port = ofproto_port->ofp_port;
- assert(iface->ofp_port < 0 && ofp_port >= 0);
- iface->ofp_port = ofp_port;
- hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
- iface_set_ofport(iface->cfg, ofp_port);
+ struct iface *iface = iface_lookup(br, name);
+ if (iface) {
+ /* Check that the name-to-number mapping is one-to-one. */
+ if (iface->ofp_port >= 0) {
+ VLOG_WARN("bridge %s: interface %s reported twice",
+ br->name, name);
+ return false;
+ } else if (iface_from_ofp_port(br, ofp_port)) {
+ VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
+ br->name, ofp_port);
+ return false;
+ }
+
+ /* There's a configured interface named 'name'. */
+ if (strcmp(type, iface->type)
+ || iface_set_netdev_config(iface->cfg, iface->netdev)) {
+ /* It's the wrong type, or it's the right type but can't be
+ * configured as the user requested, so we must destroy it. */
+ return false;
+ } else {
+ /* It's the right type and configured correctly. keep it. */
+ iface_set_ofp_port(iface, ofp_port);
+ return true;
+ }
+ } else if (bridge_has_bond_fake_iface(br, name)
+ && !strcmp(type, "internal")) {
+ /* It's a bond fake iface. Keep it. */
+ return true;
+ } else {
+ /* There's no configured interface named 'name', but there might be an
+ * interface of that name queued to be created.
+ *
+ * If there is, and it has the correct type, then try to configure it
+ * and add it. If that's successful, we'll keep it. Otherwise, we'll
+ * delete it and later try to re-add it. */
+ struct if_cfg *if_cfg = if_cfg_lookup(br, name);
+ return (if_cfg
+ && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
+ && iface_create(br, if_cfg, ofp_port));
+ }
}
+/* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
+ * consistent with the ofp_ports in "br->ofproto". */
static void
bridge_refresh_ofp_port(struct bridge *br)
{
struct ofproto_port_dump dump;
struct ofproto_port ofproto_port;
- struct port *port;
+ struct port *port, *port_next;
- /* Clear all the "ofp_port"es. */
+ /* Clear each "struct iface"s ofp_port so we can get its correct value. */
hmap_clear(&br->ifaces);
HMAP_FOR_EACH (port, hmap_node, &br->ports) {
struct iface *iface;
}
}
- /* Obtain the correct "ofp_port"s from ofproto. */
+ /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
+ * already exist in the datapath and promote them to full fledged "struct
+ * iface"s. Mark ports in the datapath which don't belong as garbage. */
OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
- struct iface *iface = iface_lookup(br, ofproto_port.name);
- if (iface) {
- if (iface->ofp_port >= 0) {
- VLOG_WARN("bridge %s: interface %s reported twice",
- br->name, ofproto_port.name);
- } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) {
- VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
- br->name, ofproto_port.ofp_port);
- } else {
- iface_set_ofp_port(iface, ofproto_port.ofp_port);
+ if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
+ struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
+ garbage->ofp_port = ofproto_port.ofp_port;
+ list_push_front(&br->ofpp_garbage, &garbage->list_node);
+ }
+ }
+
+ /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
+ * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
+ * later they can be added to ofproto. */
+ HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
+ struct iface *iface, *iface_next;
+
+ LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
+ if (iface->ofp_port < 0) {
+ bridge_queue_if_cfg(br, iface->cfg, port->cfg);
+ iface_destroy(iface);
}
}
+
+ if (list_is_empty(&port->ifaces)) {
+ port_destroy(port);
+ }
}
}
-/* Add an ofproto port for any "struct iface" that doesn't have one.
- * Delete any "struct iface" for which this fails.
- * Delete any "struct port" that thereby ends up with no ifaces. */
-static void
-bridge_add_ofproto_ports(struct bridge *br)
+/* Opens a network device for 'iface_cfg' and configures it. If '*ofp_portp'
+ * is negative, adds the network device to br->ofproto and stores the OpenFlow
+ * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
+ * untouched.
+ *
+ * If successful, returns 0 and stores the network device in '*netdevp'. On
+ * failure, returns a positive errno value and stores NULL in '*netdevp'. */
+static int
+iface_do_create(const struct bridge *br,
+ const struct ovsrec_interface *iface_cfg,
+ const struct ovsrec_port *port_cfg,
+ int *ofp_portp, struct netdev **netdevp)
{
- struct port *port, *next_port;
+ struct netdev *netdev;
+ int error;
- HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
- struct iface *iface, *next_iface;
- struct ofproto_port ofproto_port;
+ error = netdev_open(iface_cfg->name,
+ iface_get_type(iface_cfg, br->cfg), &netdev);
+ if (error) {
+ VLOG_WARN("could not open network device %s (%s)",
+ iface_cfg->name, strerror(error));
+ goto error;
+ }
- LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) {
- int error;
+ error = iface_set_netdev_config(iface_cfg, netdev);
+ if (error) {
+ goto error;
+ }
- /* Open the netdev. */
- if (!iface->netdev) {
- error = netdev_open(iface->name, iface->type, &iface->netdev);
- if (error) {
- VLOG_WARN("could not open network device %s (%s)",
- iface->name, strerror(error));
- }
+ if (*ofp_portp < 0) {
+ uint16_t ofp_port;
- if (iface->netdev
- && port->cfg->vlan_mode
- && !strcmp(port->cfg->vlan_mode, "splinter")) {
- netdev_turn_flags_on(iface->netdev, NETDEV_UP, true);
- }
- } else {
- error = 0;
- }
+ error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
+ if (error) {
+ goto error;
+ }
+ *ofp_portp = ofp_port;
- /* Configure the netdev. */
- if (iface->netdev) {
- struct shash args;
+ VLOG_INFO("bridge %s: added interface %s on port %d",
+ br->name, iface_cfg->name, *ofp_portp);
+ } else {
+ VLOG_DBG("bridge %s: interface %s is on port %d",
+ br->name, iface_cfg->name, *ofp_portp);
+ }
- shash_init(&args);
- shash_from_ovs_idl_map(iface->cfg->key_options,
- iface->cfg->value_options,
- iface->cfg->n_options, &args);
- error = netdev_set_config(iface->netdev, &args);
- shash_destroy(&args);
+ if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) {
+ netdev_turn_flags_on(netdev, NETDEV_UP, true);
+ }
- if (error) {
- VLOG_WARN("could not configure network device %s (%s)",
- iface->name, strerror(error));
- netdev_close(iface->netdev);
- iface->netdev = NULL;
- }
- }
+ *netdevp = netdev;
+ return 0;
- /* Add the port, if necessary. */
- if (iface->netdev && iface->ofp_port < 0) {
- uint16_t ofp_port;
- int error;
+error:
+ *netdevp = NULL;
+ netdev_close(netdev);
+ return error;
+}
- error = ofproto_port_add(br->ofproto, iface->netdev,
- &ofp_port);
- if (!error) {
- iface_set_ofp_port(iface, ofp_port);
- } else {
- netdev_close(iface->netdev);
- iface->netdev = NULL;
- }
- }
+/* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
+ * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
+ * automatically allocated for the iface. Takes ownership of and
+ * deallocates 'if_cfg'.
+ *
+ * Return true if an iface is successfully created, false otherwise. */
+static bool
+iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
+{
+ const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
+ const struct ovsrec_port *port_cfg = if_cfg->parent;
- /* Populate stats columns in new Interface rows. */
- if (iface->netdev && !iface->cfg->mtu) {
- iface_refresh_stats(iface);
- iface_refresh_status(iface);
- }
+ struct netdev *netdev;
+ struct iface *iface;
+ struct port *port;
+ int error;
- /* Delete the iface if we failed. */
- if (iface->netdev && iface->ofp_port >= 0) {
- VLOG_DBG("bridge %s: interface %s is on port %d",
- br->name, iface->name, iface->ofp_port);
- } 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_clear_db_record(iface->cfg);
- iface_destroy(iface);
- }
- }
- if (list_is_empty(&port->ifaces)) {
- VLOG_WARN("%s port has no interfaces, dropping", port->name);
- port_destroy(port);
- continue;
- }
+ /* Get rid of 'if_cfg' itself. We already copied out the interesting
+ * bits. */
+ hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
+ free(if_cfg);
- /* Add bond fake iface if necessary. */
- if (port_is_bond_fake_iface(port)) {
- if (ofproto_port_query_by_name(br->ofproto, port->name,
- &ofproto_port)) {
- struct netdev *netdev;
- int error;
+ /* Do the bits that can fail up front. */
+ assert(!iface_lookup(br, iface_cfg->name));
+ error = iface_do_create(br, iface_cfg, port_cfg, &ofp_port, &netdev);
+ if (error) {
+ iface_clear_db_record(iface_cfg);
+ return false;
+ }
- error = netdev_open(port->name, "internal", &netdev);
- if (!error) {
- ofproto_port_add(br->ofproto, netdev, NULL);
- netdev_close(netdev);
- } else {
- VLOG_WARN("could not open network device %s (%s)",
- port->name, strerror(error));
- }
- } else {
- /* Already exists, nothing to do. */
- ofproto_port_destroy(&ofproto_port);
- }
- }
+ /* Get or create the port structure. */
+ port = port_lookup(br, port_cfg->name);
+ if (!port) {
+ port = port_create(br, port_cfg);
}
-}
-static const char *
-get_ovsrec_key_value(char **keys, char **values, size_t n, const char *key)
-{
- size_t i;
+ /* Create the iface structure. */
+ iface = xzalloc(sizeof *iface);
+ list_push_back(&port->ifaces, &iface->port_elem);
+ hmap_insert(&br->iface_by_name, &iface->name_node,
+ hash_string(iface_cfg->name, 0));
+ iface->port = port;
+ iface->name = xstrdup(iface_cfg->name);
+ iface->ofp_port = -1;
+ iface->netdev = netdev;
+ iface->type = iface_get_type(iface_cfg, br->cfg);
+ iface->cfg = iface_cfg;
- for (i = 0; i < n; i++) {
- if (!strcmp(keys[i], key)) {
- return values[i];
+ iface_set_ofp_port(iface, ofp_port);
+
+ /* Populate initial status in database. */
+ iface_refresh_stats(iface);
+ iface_refresh_status(iface);
+
+ /* Add bond fake iface if necessary. */
+ if (port_is_bond_fake_iface(port)) {
+ struct ofproto_port ofproto_port;
+
+ if (ofproto_port_query_by_name(br->ofproto, port->name,
+ &ofproto_port)) {
+ struct netdev *netdev;
+ int error;
+
+ error = netdev_open(port->name, "internal", &netdev);
+ if (!error) {
+ ofproto_port_add(br->ofproto, netdev, NULL);
+ netdev_close(netdev);
+ } else {
+ VLOG_WARN("could not open network device %s (%s)",
+ port->name, strerror(error));
+ }
+ } else {
+ /* Already exists, nothing to do. */
+ ofproto_port_destroy(&ofproto_port);
}
}
- return NULL;
-}
-static const char *
-bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key)
-{
- return get_ovsrec_key_value(br_cfg->key_other_config,
- br_cfg->value_other_config,
- br_cfg->n_other_config, key);
+ return true;
}
/* Set Flow eviction threshold */
const char *threshold_str;
unsigned threshold;
- threshold_str = bridge_get_other_config(br->cfg, "flow-eviction-threshold");
+ threshold_str =
+ ovsrec_bridge_get_other_config_value(br->cfg,
+ "flow-eviction-threshold",
+ NULL);
if (threshold_str) {
threshold = strtoul(threshold_str, NULL, 10);
} else {
const char *forward_bpdu_str;
bool forward_bpdu = false;
- forward_bpdu_str = bridge_get_other_config(br->cfg, "forward-bpdu");
+ forward_bpdu_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "forward-bpdu",
+ NULL);
if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) {
forward_bpdu = true;
}
const char *idle_time_str;
int idle_time;
- idle_time_str = bridge_get_other_config(br->cfg, "mac-aging-time");
+ idle_time_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "mac-aging-time",
+ NULL);
idle_time = (idle_time_str && atoi(idle_time_str)
? atoi(idle_time_str)
: MAC_ENTRY_DEFAULT_IDLE_TIME);
*hw_addr_iface = NULL;
/* Did the user request a particular MAC? */
- hwaddr = bridge_get_other_config(br->cfg, "hwaddr");
+ hwaddr = ovsrec_bridge_get_other_config_value(br->cfg, "hwaddr", NULL);
if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
if (eth_addr_is_multicast(ea)) {
VLOG_ERR("bridge %s: cannot set MAC address to multicast "
VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
br->name, ETH_ADDR_ARGS(ea));
} else {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
memcpy(ea, br->default_ea, ETH_ADDR_LEN);
*hw_addr_iface = NULL;
- VLOG_WARN("bridge %s: using default bridge Ethernet "
- "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
+ VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
+ "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
}
hmapx_destroy(&mirror_output_ports);
const char *datapath_id;
uint64_t dpid;
- datapath_id = bridge_get_other_config(br->cfg, "datapath-id");
+ datapath_id = ovsrec_bridge_get_other_config_value(br->cfg, "datapath-id",
+ NULL);
if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
return dpid;
}
error = netdev_get_flags(iface->netdev, &flags);
if (!error) {
- ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down");
+ ovsrec_interface_set_admin_state(iface->cfg,
+ flags & NETDEV_UP ? "up" : "down");
}
else {
ovsrec_interface_set_admin_state(iface->cfg, NULL);
int fault, error;
const uint64_t *rmps;
size_t n_rmps;
+ int health;
if (iface_is_synthetic(iface)) {
return;
} else {
ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
}
+
+ health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
+ iface->ofp_port);
+ if (health >= 0) {
+ int64_t cfm_health = health;
+ ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
+ } else {
+ ovsrec_interface_set_cfm_health(cfg, NULL, 0);
+ }
}
static void
#undef IFACE_STAT
assert(i == ARRAY_SIZE(keys));
- ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys));
+ ovsrec_interface_set_statistics(iface->cfg, keys, values,
+ ARRAY_SIZE(keys));
#undef IFACE_STATS
}
const char *enable;
/* Use other-config:enable-system-stats by preference. */
- enable = get_ovsrec_key_value(cfg->key_other_config,
- cfg->value_other_config,
- cfg->n_other_config,
- "enable-statistics");
+ enable = ovsrec_open_vswitch_get_other_config_value(cfg,
+ "enable-statistics",
+ NULL);
if (enable) {
return !strcmp(enable, "true");
}
void
bridge_run(void)
{
+ static const struct ovsrec_open_vswitch null_cfg;
const struct ovsrec_open_vswitch *cfg;
+ struct ovsdb_idl_txn *reconf_txn = NULL;
bool vlan_splinters_changed;
- bool database_changed;
struct bridge *br;
/* (Re)configure if necessary. */
- database_changed = ovsdb_idl_run(idl);
- if (ovsdb_idl_is_lock_contended(idl)) {
- static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
- struct bridge *br, *next_br;
+ if (!reconfiguring) {
+ ovsdb_idl_run(idl);
- VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
- "disabling this process until it goes away");
+ if (ovsdb_idl_is_lock_contended(idl)) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
+ struct bridge *br, *next_br;
- HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
- bridge_destroy(br);
+ VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
+ "disabling this process until it goes away");
+
+ HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
+ bridge_destroy(br);
+ }
+ return;
+ } else if (!ovsdb_idl_has_lock(idl)) {
+ return;
}
- return;
- } else if (!ovsdb_idl_has_lock(idl)) {
- return;
}
cfg = ovsrec_open_vswitch_first(idl);
stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
}
- /* If VLAN splinters are in use, then we need to reconfigure if VLAN usage
- * has changed. */
- vlan_splinters_changed = false;
- if (vlan_splinters_enabled_anywhere) {
- HMAP_FOR_EACH (br, node, &all_bridges) {
- if (ofproto_has_vlan_usage_changed(br->ofproto)) {
- vlan_splinters_changed = true;
- break;
+ if (!reconfiguring) {
+ /* If VLAN splinters are in use, then we need to reconfigure if VLAN
+ * usage has changed. */
+ vlan_splinters_changed = false;
+ if (vlan_splinters_enabled_anywhere) {
+ HMAP_FOR_EACH (br, node, &all_bridges) {
+ if (ofproto_has_vlan_usage_changed(br->ofproto)) {
+ vlan_splinters_changed = true;
+ break;
+ }
+ }
+ }
+
+ if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
+ idl_seqno = ovsdb_idl_get_seqno(idl);
+ if (cfg) {
+ reconf_txn = ovsdb_idl_txn_create(idl);
+ bridge_reconfigure(cfg);
+ } else {
+ /* We still need to reconfigure to avoid dangling pointers to
+ * now-destroyed ovsrec structures inside bridge data. */
+ bridge_reconfigure(&null_cfg);
}
}
}
- if (database_changed || vlan_splinters_changed) {
+ if (reconfiguring) {
if (cfg) {
- struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
-
- bridge_reconfigure(cfg);
-
- ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
- ovsdb_idl_txn_commit(txn);
- ovsdb_idl_txn_destroy(txn); /* XXX */
+ if (!reconf_txn) {
+ reconf_txn = ovsdb_idl_txn_create(idl);
+ }
+ if (bridge_reconfigure_continue(cfg)) {
+ ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
+ }
} 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);
+ bridge_reconfigure_continue(&null_cfg);
}
}
+ if (reconf_txn) {
+ ovsdb_idl_txn_commit(reconf_txn);
+ ovsdb_idl_txn_destroy(reconf_txn);
+ reconf_txn = NULL;
+ }
+
/* Refresh system and interface stats if necessary. */
if (time_msec() >= stats_timer) {
if (cfg) {
bridge_wait(void)
{
ovsdb_idl_wait(idl);
+
+ if (reconfiguring) {
+ poll_immediate_wake();
+ }
+
if (!hmap_is_empty(&all_bridges)) {
struct bridge *br;
hmap_init(&br->iface_by_name);
hmap_init(&br->mirrors);
+ hmap_init(&br->if_cfg_todo);
+ list_init(&br->ofpp_garbage);
+
hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
}
if (br) {
struct mirror *mirror, *next_mirror;
struct port *port, *next_port;
+ struct if_cfg *if_cfg, *next_if_cfg;
+ struct ofpp_garbage *garbage, *next_garbage;
HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
port_destroy(port);
HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
mirror_destroy(mirror);
}
+ HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
+ hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
+ free(if_cfg);
+ }
+ LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
+ &br->ofpp_garbage) {
+ list_remove(&garbage->list_node);
+ free(garbage);
+ }
+
hmap_remove(&all_bridges, &br->node);
ofproto_destroy(br->ofproto);
hmap_destroy(&br->ifaces);
hmap_destroy(&br->ports);
hmap_destroy(&br->iface_by_name);
hmap_destroy(&br->mirrors);
+ hmap_destroy(&br->if_cfg_todo);
free(br->name);
free(br->type);
free(br);
return n_controllers;
}
-/* Adds and deletes "struct port"s and "struct iface"s under 'br' to match
- * those configured in 'br->cfg'. */
+static void
+bridge_queue_if_cfg(struct bridge *br,
+ const struct ovsrec_interface *cfg,
+ const struct ovsrec_port *parent)
+{
+ struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
+
+ if_cfg->cfg = cfg;
+ if_cfg->parent = parent;
+ hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
+ hash_string(if_cfg->cfg->name, 0));
+}
+
+/* Deletes "struct port"s and "struct iface"s under 'br' which aren't
+ * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
+ * 'br' needs to complete its configuration. */
static void
bridge_add_del_ports(struct bridge *br,
const unsigned long int *splinter_vlans)
{
+ struct shash_node *port_node;
struct port *port, *next;
- struct shash_node *node;
struct shash new_ports;
size_t i;
+ assert(hmap_is_empty(&br->if_cfg_todo));
+
/* Collect new ports. */
shash_init(&new_ports);
for (i = 0; i < br->cfg->n_ports; i++) {
}
}
- /* Create new ports.
- * Add new interfaces to existing ports. */
- SHASH_FOR_EACH (node, &new_ports) {
- struct port *port = port_lookup(br, node->name);
- if (!port) {
- struct ovsrec_port *cfg = node->data;
- port = port_create(br, cfg);
- }
- port_add_ifaces(port);
- if (list_is_empty(&port->ifaces)) {
- VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
- br->name, port->name);
- port_destroy(port);
+ /* Update iface->cfg and iface->type in interfaces that still exist.
+ * Add new interfaces to creation queue. */
+ SHASH_FOR_EACH (port_node, &new_ports) {
+ const struct ovsrec_port *port = port_node->data;
+ size_t i;
+
+ for (i = 0; i < port->n_interfaces; i++) {
+ const struct ovsrec_interface *cfg = port->interfaces[i];
+ struct iface *iface = iface_lookup(br, cfg->name);
+
+ if (iface) {
+ iface->cfg = cfg;
+ iface->type = iface_get_type(cfg, br->cfg);
+ } else {
+ bridge_queue_if_cfg(br, cfg, port);
+ }
}
}
+
shash_destroy(&new_ports);
}
bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
struct ofproto_controller *oc)
{
+ const char *config_str;
+
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;
? *c->controller_burst_limit : 0);
oc->enable_async_msgs = (!c->enable_async_messages
|| *c->enable_async_messages);
+ config_str = ovsrec_controller_get_other_config_value(c, "dscp", NULL);
+
+ oc->dscp = DSCP_DEFAULT;
+ if (config_str) {
+ int dscp = atoi(config_str);
+
+ if (dscp >= 0 && dscp <= 63) {
+ oc->dscp = dscp;
+ }
+ }
}
/* Configures the IP stack for 'br''s local interface properly according to the
size_t i;
/* Check if we should disable in-band control on this bridge. */
- disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band");
+ disable_ib_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "disable-in-band",
+ NULL);
if (disable_ib_str && !strcmp(disable_ib_str, "true")) {
disable_in_band = true;
}
/* Set OpenFlow queue ID for in-band control. */
- queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue");
+ queue_id_str = ovsrec_bridge_get_other_config_value(br->cfg,
+ "in-band-queue",
+ NULL);
queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1;
ofproto_set_in_band_queue(br->ofproto, queue_id);
list_init(&port->ifaces);
hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
-
- VLOG_INFO("created port %s on bridge %s", port->name, br->name);
-
return port;
}
-static const char *
-get_port_other_config(const struct ovsrec_port *port, const char *key,
- const char *default_value)
-{
- const char *value;
-
- value = get_ovsrec_key_value(port->key_other_config,
- port->value_other_config,
- port->n_other_config, key);
- 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->key_other_config,
- iface->value_other_config,
- iface->n_other_config, key);
- return value ? value : default_value;
-}
-
/* Deletes interfaces from 'port' that are no longer configured for it. */
static void
port_del_ifaces(struct port *port)
sset_init(&new_ifaces);
for (i = 0; i < port->cfg->n_interfaces; i++) {
const char *name = port->cfg->interfaces[i]->name;
- const char *type = port->cfg->interfaces[i]->name;
+ const char *type = port->cfg->interfaces[i]->type;
if (strcmp(type, "null")) {
sset_add(&new_ifaces, name);
}
sset_destroy(&new_ifaces);
}
-/* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of
- * existing ones. */
-static void
-port_add_ifaces(struct port *port)
-{
- struct shash new_ifaces;
- struct shash_node *node;
- size_t i;
-
- /* Collect new ifaces. */
- shash_init(&new_ifaces);
- for (i = 0; i < port->cfg->n_interfaces; i++) {
- const struct ovsrec_interface *cfg = port->cfg->interfaces[i];
- if (strcmp(cfg->type, "null")
- && !shash_add_once(&new_ifaces, cfg->name, cfg)) {
- VLOG_WARN("port %s: %s specified twice as port interface",
- port->name, cfg->name);
- iface_clear_db_record(cfg);
- }
- }
-
- /* Create new interfaces.
- * Update interface types and 'cfg' members. */
- SHASH_FOR_EACH (node, &new_ifaces) {
- const struct ovsrec_interface *cfg = node->data;
- const char *iface_name = node->name;
- struct iface *iface;
-
- iface = iface_lookup(port->bridge, iface_name);
- if (!iface) {
- iface = iface_create(port, cfg);
- } else {
- iface->cfg = 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(iface_name, port->bridge->name) ? "internal"
- : cfg->type[0] ? cfg->type
- : "system");
- }
- shash_destroy(&new_ifaces);
-}
-
static void
port_destroy(struct port *port)
{
}
hmap_remove(&br->ports, &port->hmap_node);
-
- VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name);
-
free(port->name);
free(port);
}
port_configure_lacp(struct port *port, struct lacp_settings *s)
{
const char *lacp_time, *system_id;
- long long int custom_time;
int priority;
if (!enable_lacp(port, &s->active)) {
s->name = port->name;
- system_id = get_port_other_config(port->cfg, "lacp-system-id", NULL);
+ system_id = ovsrec_port_get_other_config_value(port->cfg, "lacp-system-id",
+ NULL);
if (system_id) {
if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
}
/* Prefer bondable links if unspecified. */
- priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority",
- "0"));
+ priority = atoi(ovsrec_port_get_other_config_value(port->cfg,
+ "lacp-system-priority",
+ "0"));
s->priority = (priority > 0 && priority <= UINT16_MAX
? priority
: UINT16_MAX - !list_is_short(&port->ifaces));
- s->heartbeat = !strcmp(get_port_other_config(port->cfg,
- "lacp-heartbeat",
- "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;
- }
-
+ lacp_time = ovsrec_port_get_other_config_value(port->cfg, "lacp-time",
+ "slow");
+ s->fast = !strcasecmp(lacp_time, "fast");
return s;
}
{
int priority, portid, key;
- portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0"));
- priority = atoi(get_interface_other_config(iface->cfg,
- "lacp-port-priority", "0"));
- key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key",
- "0"));
+ portid = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+ "lacp-port-id",
+ "0"));
+ priority =
+ atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+ "lacp-port-priority",
+ "0"));
+ key = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+ "lacp-aggregation-key",
+ "0"));
if (portid <= 0 || portid > UINT16_MAX) {
portid = iface->ofp_port;
port->name);
}
- miimon_interval = atoi(get_port_other_config(port->cfg,
- "bond-miimon-interval", "0"));
+ miimon_interval =
+ atoi(ovsrec_port_get_other_config_value(port->cfg,
+ "bond-miimon-interval", "0"));
if (miimon_interval <= 0) {
miimon_interval = 200;
}
- detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier");
+ detect_s = ovsrec_port_get_other_config_value(port->cfg,
+ "bond-detect-mode",
+ "carrier");
if (!strcmp(detect_s, "carrier")) {
miimon_interval = 0;
} else if (strcmp(detect_s, "miimon")) {
s->up_delay = MAX(0, port->cfg->bond_updelay);
s->down_delay = MAX(0, port->cfg->bond_downdelay);
- s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0"));
+ s->basis = atoi(ovsrec_port_get_other_config_value(port->cfg,
+ "bond-hash-basis",
+ "0"));
s->rebalance_interval = atoi(
- get_port_other_config(port->cfg, "bond-rebalance-interval", "10000"));
+ ovsrec_port_get_other_config_value(port->cfg,
+ "bond-rebalance-interval",
+ "10000"));
if (s->rebalance_interval && s->rebalance_interval < 1000) {
s->rebalance_interval = 1000;
}
LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
long long stable_id;
- stable_id = atoll(get_interface_other_config(iface->cfg,
- "bond-stable-id", "0"));
+ stable_id =
+ atoll(ovsrec_interface_get_other_config_value(iface->cfg,
+ "bond-stable-id",
+ "0"));
if (stable_id <= 0 || stable_id >= UINT32_MAX) {
stable_id = iface->ofp_port;
}
\f
/* Interface functions. */
-static struct iface *
-iface_create(struct port *port, const struct ovsrec_interface *if_cfg)
+/* Returns the correct network device type for interface 'iface' in bridge
+ * 'br'. */
+static const char *
+iface_get_type(const struct ovsrec_interface *iface,
+ const struct ovsrec_bridge *br)
{
- struct bridge *br = port->bridge;
- struct iface *iface;
- char *name = if_cfg->name;
-
- iface = xzalloc(sizeof *iface);
- iface->port = port;
- iface->name = xstrdup(name);
- iface->ofp_port = -1;
- iface->tag = tag_create_random();
- iface->netdev = NULL;
- iface->cfg = if_cfg;
-
- hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0));
-
- list_push_back(&port->ifaces, &iface->port_elem);
-
- VLOG_DBG("attached network device %s to port %s", iface->name, port->name);
-
- return iface;
+ /* The local port always has type "internal". Other ports take their type
+ * from the database and default to "system" if none is specified. */
+ return (!strcmp(iface->name, br->name) ? "internal"
+ : iface->type[0] ? iface->type
+ : "system");
}
static void
return NULL;
}
+static struct if_cfg *
+if_cfg_lookup(const struct bridge *br, const char *name)
+{
+ struct if_cfg *if_cfg;
+
+ HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
+ &br->if_cfg_todo) {
+ if (!strcmp(if_cfg->cfg->name, name)) {
+ return if_cfg;
+ }
+ }
+
+ return NULL;
+}
+
static struct iface *
iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
{
}
s.mpid = *cfg->cfm_mpid;
- s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval",
- "0"));
- cfm_ccm_vlan = get_interface_other_config(iface->cfg, "cfm_ccm_vlan", "0");
- s.ccm_pcp = atoi(get_interface_other_config(iface->cfg, "cfm_ccm_pcp",
- "0"));
+ s.interval = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+ "cfm_interval",
+ "0"));
+ cfm_ccm_vlan = ovsrec_interface_get_other_config_value(iface->cfg,
+ "cfm_ccm_vlan",
+ "0");
+ s.ccm_pcp = atoi(ovsrec_interface_get_other_config_value(iface->cfg,
+ "cfm_ccm_pcp",
+ "0"));
if (s.interval <= 0) {
s.interval = 1000;
}
}
}
- extended_str = get_interface_other_config(iface->cfg, "cfm_extended",
- "false");
+ extended_str = ovsrec_interface_get_other_config_value(iface->cfg,
+ "cfm_extended",
+ "false");
s.extended = !strcasecmp("true", extended_str);
- opstate_str = get_interface_other_config(iface->cfg, "cfm_opstate", "up");
+ opstate_str = ovsrec_interface_get_other_config_value(iface->cfg,
+ "cfm_opstate",
+ "up");
s.opup = !strcasecmp("up", opstate_str);
ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
{
return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
}
+
\f
/* Port mirroring. */
{
const char *value;
- value = get_interface_other_config(iface_cfg, "enable-vlan-splinters", "");
+ value = ovsrec_interface_get_other_config_value(iface_cfg,
+ "enable-vlan-splinters",
+ "");
return !strcmp(value, "true");
}
vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
port_elem);
- realdev_name = get_port_other_config(port->cfg, "realdev", NULL);
+ realdev_name = ovsrec_port_get_other_config_value(port->cfg,
+ "realdev", NULL);
realdev = iface_lookup(port->bridge, realdev_name);
realdev_ofp_port = realdev ? realdev->ofp_port : 0;
git://git.onelab.eu / sliver-openvswitch.git / blobdiff