-static size_t
-bridge_get_controllers(const struct ovsrec_open_vswitch *ovs_cfg,
- 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;
- }
-
- if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
- controllers = NULL;
- n_controllers = 0;
- }
-
- if (controllersp) {
- *controllersp = controllers;
- }
- return n_controllers;
-}
-
-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)
-{
- struct shash old_ports, new_ports;
- struct svec listeners, old_listeners;
- struct svec snoops, old_snoops;
- struct shash_node *node;
- size_t i;
-
- /* Collect old ports. */
- shash_init(&old_ports);
- for (i = 0; i < br->n_ports; i++) {
- shash_add(&old_ports, br->ports[i]->name, br->ports[i]);
- }
-
- /* Collect new ports. */
- shash_init(&new_ports);
- for (i = 0; i < br->cfg->n_ports; i++) {
- const char *name = br->cfg->ports[i]->name;
- if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
- VLOG_WARN("bridge %s: %s specified twice as bridge port",
- br->name, name);
- }
- }
-
- /* If we have a controller, then we need a local port. Complain if the
- * user didn't specify one.
- *
- * XXX perhaps we should synthesize a port ourselves in this case. */
- if (bridge_get_controllers(ovs_cfg, br, NULL)) {
- char local_name[IF_NAMESIZE];
- int error;
-
- error = dpif_port_get_name(br->dpif, ODPP_LOCAL,
- local_name, sizeof local_name);
- if (!error && !shash_find(&new_ports, local_name)) {
- VLOG_WARN("bridge %s: controller specified but no local port "
- "(port named %s) defined",
- br->name, local_name);
- }
- }
-
- /* Get rid of deleted ports.
- * Get rid of deleted interfaces on ports that still exist. */
- SHASH_FOR_EACH (node, &old_ports) {
- struct port *port = node->data;
- const struct ovsrec_port *port_cfg;
-
- port_cfg = shash_find_data(&new_ports, node->name);
- if (!port_cfg) {
- port_destroy(port);
- } else {
- port_del_ifaces(port, port_cfg);
- }
- }
-
- /* Create new ports.
- * Add new interfaces to existing ports.
- * Reconfigure existing ports. */
- SHASH_FOR_EACH (node, &new_ports) {
- struct port *port = shash_find_data(&old_ports, node->name);
- if (!port) {
- port = port_create(br, node->name);
- }
-
- port_reconfigure(port, node->data);
- if (!port->n_ifaces) {
- VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
- br->name, port->name);
- port_destroy(port);
- }
- }
- shash_destroy(&old_ports);
- shash_destroy(&new_ports);
-
- /* 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);
- ofproto_get_snoops(br->ofproto, &old_snoops);
- if (!svec_equal(&snoops, &old_snoops)) {
- ofproto_set_snoops(br->ofproto, &snoops);
- }
- svec_destroy(&snoops);
- svec_destroy(&old_snoops);
-#endif
-
- mirror_reconfigure(br);
-
- bridge_update_desc(br);
-}
-
-static void
-bridge_reconfigure_remotes(const struct ovsrec_open_vswitch *ovs_cfg,
- struct bridge *br,
- const struct sockaddr_in *managers,
- size_t n_managers)
-{
- struct ovsrec_controller **controllers;
- size_t n_controllers;
-
- ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
-
- n_controllers = bridge_get_controllers(ovs_cfg, br, &controllers);
- if (ofproto_has_controller(br->ofproto) != (n_controllers != 0)) {
- ofproto_flush_flows(br->ofproto);
- }
-
- if (!n_controllers) {
- union ofp_action action;
- flow_t flow;
-
- /* Clear out controllers. */
- ofproto_set_controllers(br->ofproto, NULL, 0);
-
- /* 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 * sizeof *ocs);
- for (i = 0; i < n_controllers; i++) {
- struct ovsrec_controller *c = controllers[i];
- struct ofproto_controller *oc = &ocs[i];
-
- if (strcmp(c->target, "discover")) {
- struct iface *local_iface;
- struct in_addr ip;
-
- 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;
-
- 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;
- }
-
- 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 (gateway.s_addr) {
- if (!netdev_add_router(netdev, gateway)) {
- VLOG_INFO("bridge %s: configured gateway "IP_FMT,
- br->name, IP_ARGS(&gateway.s_addr));
- }