X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=vswitchd%2Fbridge.c;h=13eb80bdd144ad575e3511850be48ddc4f64067e;hb=e0edde6fee279cdbbf3c179f5f50adaf0c7c7f1e;hp=1682280fa1df1a1d7f77213eff366f8d3aa90dcd;hpb=2c2ea5a88a12ea3bfb003a37f7ec2c2446539a7c;p=sliver-openvswitch.git diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c index 1682280fa..13eb80bdd 100644 --- a/vswitchd/bridge.c +++ b/vswitchd/bridge.c @@ -1,4 +1,4 @@ -/* 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. @@ -50,7 +50,7 @@ #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" @@ -60,13 +60,25 @@ VLOG_DEFINE_THIS_MODULE(bridge); 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. */ @@ -86,8 +98,8 @@ struct mirror { }; 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; @@ -113,6 +125,10 @@ struct bridge { 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. */ @@ -128,6 +144,9 @@ static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); /* 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. */ @@ -139,9 +158,19 @@ static long long int stats_timer = LLONG_MIN; #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); @@ -151,8 +180,6 @@ static size_t bridge_get_controllers(const struct bridge *br, 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 *); @@ -171,11 +198,9 @@ static void bridge_pick_local_hw_addr(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); @@ -184,7 +209,6 @@ static bool port_is_bond_fake_iface(const struct port *); 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); @@ -203,11 +227,13 @@ static bool mirror_configure(struct mirror *); 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 *); @@ -219,10 +245,6 @@ static void iface_refresh_cfm_stats(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 *, @@ -256,6 +278,7 @@ bridge_init(const char *remote) { /* 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); @@ -287,6 +310,7 @@ bridge_init(const char *remote) 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); @@ -398,19 +422,19 @@ static void 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) { @@ -418,39 +442,79 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) } 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); @@ -484,20 +548,27 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) } 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); @@ -506,7 +577,7 @@ bridge_del_ofprotos(void) 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); } @@ -514,17 +585,44 @@ bridge_del_ofprotos(void) } 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 @@ -589,7 +687,7 @@ port_configure(struct port *port) 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. */ @@ -780,7 +878,8 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port, 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; @@ -813,7 +912,8 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port, 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; @@ -842,7 +942,8 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port, 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 { @@ -859,7 +960,9 @@ port_configure_stp(const struct ofproto *ofproto, struct port *port, } } - 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 { @@ -880,7 +983,9 @@ bridge_configure_stp(struct bridge *br) 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]; @@ -895,28 +1000,36 @@ bridge_configure_stp(struct bridge *br) 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 { @@ -1020,75 +1133,109 @@ add_del_bridges(const struct ovsrec_open_vswitch *cfg) 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; @@ -1098,159 +1245,172 @@ bridge_refresh_ofp_port(struct bridge *br) } } - /* 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 */ @@ -1260,7 +1420,10 @@ bridge_configure_flow_eviction_threshold(struct bridge *br) 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 { @@ -1276,7 +1439,9 @@ bridge_configure_forward_bpdu(struct bridge *br) 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; } @@ -1290,7 +1455,9 @@ bridge_configure_mac_idle_time(struct bridge *br) 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); @@ -1311,7 +1478,7 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], *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 " @@ -1401,10 +1568,11 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], 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); @@ -1435,7 +1603,8 @@ bridge_pick_datapath_id(struct bridge *br, 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; } @@ -1513,7 +1682,8 @@ iface_refresh_status(struct iface *iface) 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); @@ -1551,6 +1721,7 @@ iface_refresh_cfm_stats(struct iface *iface) int fault, error; const uint64_t *rmps; size_t n_rmps; + int health; if (iface_is_synthetic(iface)) { return; @@ -1586,6 +1757,15 @@ iface_refresh_cfm_stats(struct iface *iface) } 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 @@ -1628,7 +1808,8 @@ iface_refresh_stats(struct iface *iface) #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 } @@ -1731,10 +1912,9 @@ enable_system_stats(const struct ovsrec_open_vswitch *cfg) 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"); } @@ -1853,27 +2033,31 @@ bridge_run_fast(void) 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); @@ -1895,36 +2079,51 @@ bridge_run(void) 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) { @@ -2011,6 +2210,11 @@ void bridge_wait(void) { ovsdb_idl_wait(idl); + + if (reconfiguring) { + poll_immediate_wake(); + } + if (!hmap_is_empty(&all_bridges)) { struct bridge *br; @@ -2141,6 +2345,9 @@ bridge_create(const struct ovsrec_bridge *br_cfg) 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)); } @@ -2150,6 +2357,8 @@ bridge_destroy(struct bridge *br) 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); @@ -2157,12 +2366,23 @@ bridge_destroy(struct bridge *br) 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); @@ -2248,17 +2468,33 @@ bridge_get_controllers(const struct bridge *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++) { @@ -2300,21 +2536,25 @@ bridge_add_del_ports(struct bridge *br, } } - /* 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); } @@ -2340,6 +2580,8 @@ static void 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; @@ -2350,6 +2592,16 @@ bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, ? *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 @@ -2434,13 +2686,17 @@ bridge_configure_remotes(struct bridge *br, 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); @@ -2589,36 +2845,9 @@ port_create(struct bridge *br, const struct ovsrec_port *cfg) 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) @@ -2631,7 +2860,7 @@ 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); } @@ -2647,51 +2876,6 @@ port_del_ifaces(struct port *port) 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) { @@ -2708,9 +2892,6 @@ 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); } @@ -2756,7 +2937,6 @@ static struct lacp_settings * 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)) { @@ -2765,7 +2945,8 @@ port_configure_lacp(struct port *port, struct lacp_settings *s) 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) { @@ -2783,29 +2964,16 @@ port_configure_lacp(struct port *port, struct lacp_settings *s) } /* 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; } @@ -2814,11 +2982,16 @@ iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *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; @@ -2871,13 +3044,16 @@ port_configure_bond(struct port *port, struct bond_settings *s, 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")) { @@ -2888,9 +3064,13 @@ port_configure_bond(struct port *port, struct bond_settings *s, 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; } @@ -2901,8 +3081,10 @@ port_configure_bond(struct port *port, struct bond_settings *s, 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; } @@ -2922,28 +3104,17 @@ port_is_synthetic(const struct port *port) /* 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 @@ -3001,6 +3172,21 @@ iface_find(const char *name) 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) { @@ -3235,11 +3421,15 @@ iface_configure_cfm(struct iface *iface) } 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; } @@ -3253,11 +3443,14 @@ iface_configure_cfm(struct iface *iface) } } - 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); @@ -3270,6 +3463,7 @@ iface_is_synthetic(const struct iface *iface) { return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); } + /* Port mirroring. */ @@ -3498,7 +3692,9 @@ vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg) { 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"); } @@ -3643,7 +3839,8 @@ configure_splinter_port(struct port *port) 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;