X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=vswitchd%2Fbridge.c;h=f1c306d48dcc365f04b6d0a57535b1e30899cac7;hb=9b02078077b62e4277e84c7f39382ce09986cf6b;hp=d150857927ef5228d6201708e86918d9f6c39e84;hpb=6f629657feeb5cfa05c17557870b5c32bdc3aec8;p=sliver-openvswitch.git diff --git a/vswitchd/bridge.c b/vswitchd/bridge.c index d15085792..f1c306d48 100644 --- a/vswitchd/bridge.c +++ b/vswitchd/bridge.c @@ -148,7 +148,9 @@ 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 void bridge_configure_netflow(struct bridge *); +static void bridge_configure_forward_bpdu(struct bridge *); static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); static void bridge_configure_remotes(struct bridge *, const struct sockaddr_in *managers, @@ -195,7 +197,9 @@ static void iface_set_mac(struct iface *); static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); static void iface_configure_cfm(struct iface *); -static bool iface_refresh_cfm_stats(struct iface *iface); +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_get_carrier(const struct iface *); static bool iface_is_synthetic(const struct iface *); @@ -214,6 +218,7 @@ bridge_init(const char *remote) { /* Create connection to database. */ idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); + ovsdb_idl_set_lock(idl, "ovs_vswitchd"); ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); @@ -237,6 +242,9 @@ bridge_init(const char *remote) ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); + ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault); + ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids); + ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current); ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); @@ -401,7 +409,7 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) port_configure(port); - HMAP_FOR_EACH (iface, ofp_port_node, &br->ifaces) { + LIST_FOR_EACH (iface, port_elem, &port->ifaces) { iface_configure_cfm(iface); iface_configure_qos(iface, port->cfg->qos); iface_set_mac(iface); @@ -409,6 +417,8 @@ bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) } bridge_configure_mirrors(br); bridge_configure_datapath_id(br); + bridge_configure_flow_eviction_threshold(br); + bridge_configure_forward_bpdu(br); bridge_configure_remotes(br, managers, n_managers); bridge_configure_netflow(br); bridge_configure_sflow(br, &sflow_bridge_number); @@ -533,6 +543,7 @@ port_configure(struct port *port) ofproto_bundle_register(port->bridge->ofproto, port, &s); /* Clean up. */ + free(s.slaves); free(s.trunks); free(s.lacp_slaves); free(s.bond_stable_ids); @@ -840,29 +851,36 @@ bridge_add_ofproto_ports(struct bridge *br) struct ofproto_port ofproto_port; LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { - struct shash args; int error; - /* Open the netdev or reconfigure it. */ - shash_init(&args); - shash_from_ovs_idl_map(iface->cfg->key_options, - iface->cfg->value_options, - iface->cfg->n_options, &args); + /* Open the netdev. */ if (!iface->netdev) { - struct netdev_options options; - options.name = iface->name; - options.type = iface->type; - options.args = &args; - options.ethertype = NETDEV_ETH_TYPE_NONE; - error = netdev_open(&options, &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)); + } } else { - error = netdev_set_config(iface->netdev, &args); + error = 0; } - shash_destroy(&args); - if (error) { - VLOG_WARN("could not %s network device %s (%s)", - iface->netdev ? "reconfigure" : "open", - iface->name, strerror(error)); + + /* Configure the netdev. */ + if (iface->netdev) { + struct shash args; + + 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 (error) { + VLOG_WARN("could not configure network device %s (%s)", + iface->name, strerror(error)); + netdev_close(iface->netdev); + iface->netdev = NULL; + } } /* Add the port, if necessary. */ @@ -880,7 +898,13 @@ bridge_add_ofproto_ports(struct bridge *br) } } - /* Delete the iface if */ + /* Populate stats columns in new Interface rows. */ + if (iface->netdev && !iface->cfg->mtu) { + iface_refresh_stats(iface); + iface_refresh_status(iface); + } + + /* 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); @@ -906,15 +930,10 @@ bridge_add_ofproto_ports(struct bridge *br) if (port_is_bond_fake_iface(port)) { if (ofproto_port_query_by_name(br->ofproto, port->name, &ofproto_port)) { - struct netdev_options options; struct netdev *netdev; int error; - options.name = port->name; - options.type = "internal"; - options.args = NULL; - options.ethertype = NETDEV_ETH_TYPE_NONE; - error = netdev_open(&options, &netdev); + error = netdev_open(port->name, "internal", &netdev); if (!error) { ofproto_port_add(br->ofproto, netdev, NULL); netdev_close(netdev); @@ -952,12 +971,43 @@ bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) &ovsrec_bridge_col_other_config, key); } +/* Set Flow eviction threshold */ +static void +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"); + if (threshold_str) { + threshold = strtoul(threshold_str, NULL, 10); + } else { + threshold = OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT; + } + ofproto_set_flow_eviction_threshold(br->ofproto, threshold); +} + +/* Set forward BPDU option. */ +static void +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"); + if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) { + forward_bpdu = true; + } + ofproto_set_forward_bpdu(br->ofproto, forward_bpdu); +} + static void bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], struct iface **hw_addr_iface) { const char *hwaddr; struct port *port; + bool found_addr = false; int error; *hw_addr_iface = NULL; @@ -977,7 +1027,6 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], /* Otherwise choose the minimum non-local MAC address among all of the * interfaces. */ - memset(ea, 0xff, ETH_ADDR_LEN); HMAP_FOR_EACH (port, hmap_node, &br->ports) { uint8_t iface_ea[ETH_ADDR_LEN]; struct iface *candidate; @@ -1022,9 +1071,6 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], /* Grab MAC. */ error = netdev_get_etheraddr(iface->netdev, iface_ea); if (error) { - static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); - VLOG_ERR_RL(&rl, "failed to obtain Ethernet address of %s: %s", - iface->name, strerror(error)); continue; } } @@ -1034,20 +1080,21 @@ bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], !eth_addr_is_local(iface_ea) && !eth_addr_is_reserved(iface_ea) && !eth_addr_is_zero(iface_ea) && - eth_addr_compare_3way(iface_ea, ea) < 0) + (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) { memcpy(ea, iface_ea, ETH_ADDR_LEN); *hw_addr_iface = iface; + found_addr = true; } } - if (eth_addr_is_multicast(ea)) { + if (found_addr) { + VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, + br->name, ETH_ADDR_ARGS(ea)); + } else { 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)); - } else { - VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, - br->name, ETH_ADDR_ARGS(ea)); } } @@ -1201,7 +1248,7 @@ iface_refresh_status(struct iface *iface) iface_get_carrier(iface) ? "up" : "down"); error = netdev_get_mtu(iface->netdev, &mtu); - if (!error && mtu != INT_MAX) { + if (!error) { mtu_64 = mtu; ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); } @@ -1212,27 +1259,31 @@ iface_refresh_status(struct iface *iface) /* Writes 'iface''s CFM statistics to the database. Returns true if anything * changed, false otherwise. */ -static bool +static void iface_refresh_cfm_stats(struct iface *iface) { const struct ovsrec_interface *cfg = iface->cfg; - bool changed = false; - int fault; + int fault, error; + const uint64_t *rmps; + size_t n_rmps; fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, iface->ofp_port); - - if (fault < 0) { - return false; - } - - if (cfg->n_cfm_fault != 1 || cfg->cfm_fault[0] != fault) { + if (fault >= 0) { bool fault_bool = fault; ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); - changed = true; + } else { + ovsrec_interface_set_cfm_fault(cfg, NULL, 0); } - return changed; + error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto, + iface->ofp_port, &rmps, &n_rmps); + if (error >= 0) { + ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps, + n_rmps); + } else { + ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); + } } static bool @@ -1252,30 +1303,25 @@ iface_refresh_lacp_stats(struct iface *iface) static void iface_refresh_stats(struct iface *iface) { - struct iface_stat { - char *name; - int offset; - }; - static const struct iface_stat iface_stats[] = { - { "rx_packets", offsetof(struct netdev_stats, rx_packets) }, - { "tx_packets", offsetof(struct netdev_stats, tx_packets) }, - { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) }, - { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) }, - { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) }, - { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) }, - { "rx_errors", offsetof(struct netdev_stats, rx_errors) }, - { "tx_errors", offsetof(struct netdev_stats, tx_errors) }, - { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) }, - { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) }, - { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) }, - { "collisions", offsetof(struct netdev_stats, collisions) }, - }; - enum { N_STATS = ARRAY_SIZE(iface_stats) }; - const struct iface_stat *s; - - char *keys[N_STATS]; - int64_t values[N_STATS]; - int n; +#define IFACE_STATS \ + IFACE_STAT(rx_packets, "rx_packets") \ + IFACE_STAT(tx_packets, "tx_packets") \ + IFACE_STAT(rx_bytes, "rx_bytes") \ + IFACE_STAT(tx_bytes, "tx_bytes") \ + IFACE_STAT(rx_dropped, "rx_dropped") \ + IFACE_STAT(tx_dropped, "tx_dropped") \ + IFACE_STAT(rx_errors, "rx_errors") \ + IFACE_STAT(tx_errors, "tx_errors") \ + IFACE_STAT(rx_frame_errors, "rx_frame_err") \ + IFACE_STAT(rx_over_errors, "rx_over_err") \ + IFACE_STAT(rx_crc_errors, "rx_crc_err") \ + IFACE_STAT(collisions, "collisions") + +#define IFACE_STAT(MEMBER, NAME) NAME, + static char *keys[] = { IFACE_STATS }; +#undef IFACE_STAT + int64_t values[ARRAY_SIZE(keys)]; + int i; struct netdev_stats stats; @@ -1287,17 +1333,32 @@ iface_refresh_stats(struct iface *iface) * all-1s, and we will deal with that correctly below. */ netdev_get_stats(iface->netdev, &stats); - n = 0; - for (s = iface_stats; s < &iface_stats[N_STATS]; s++) { - uint64_t value = *(uint64_t *) (((char *) &stats) + s->offset); - if (value != UINT64_MAX) { - keys[n] = s->name; - values[n] = value; - n++; - } + /* Copy statistics into values[] array. */ + i = 0; +#define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; + IFACE_STATS; +#undef IFACE_STAT + assert(i == ARRAY_SIZE(keys)); + + ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys)); +#undef IFACE_STATS +} + +static bool +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->header_, + &ovsrec_open_vswitch_col_other_config, + "enable-statistics"); + if (enable) { + return !strcmp(enable, "true"); } - ovsrec_interface_set_statistics(iface->cfg, keys, values, n); + /* Disable by default. */ + return false; } static void @@ -1307,7 +1368,9 @@ refresh_system_stats(const struct ovsrec_open_vswitch *cfg) struct shash stats; shash_init(&stats); - get_system_stats(&stats); + if (enable_system_stats(cfg)) { + get_system_stats(&stats); + } ovsdb_datum_from_shash(&datum, &stats); ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, @@ -1330,13 +1393,20 @@ nx_role_to_str(enum nx_role role) } static void -bridge_refresh_controller_status(const struct bridge *br) +refresh_controller_status(void) { + struct bridge *br; struct shash info; const struct ovsrec_controller *cfg; - ofproto_get_ofproto_controller_info(br->ofproto, &info); + shash_init(&info); + /* Accumulate status for controllers on all bridges. */ + HMAP_FOR_EACH (br, node, &all_bridges) { + ofproto_get_ofproto_controller_info(br->ofproto, &info); + } + + /* Update each controller in the database with current status. */ OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { struct ofproto_controller_info *cinfo = shash_find_data(&info, cfg->target); @@ -1357,6 +1427,31 @@ bridge_refresh_controller_status(const struct bridge *br) ofproto_free_ofproto_controller_info(&info); } +static void +refresh_cfm_stats(void) +{ + static struct ovsdb_idl_txn *txn = NULL; + + if (!txn) { + struct bridge *br; + + txn = ovsdb_idl_txn_create(idl); + + HMAP_FOR_EACH (br, node, &all_bridges) { + struct iface *iface; + + HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { + iface_refresh_cfm_stats(iface); + } + } + } + + if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) { + ovsdb_idl_txn_destroy(txn); + txn = NULL; + } +} + void bridge_run(void) { @@ -1366,6 +1461,24 @@ bridge_run(void) 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; + + 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; + } + cfg = ovsrec_open_vswitch_first(idl); + /* Let each bridge do the work that it needs to do. */ datapath_destroyed = false; HMAP_FOR_EACH (br, node, &all_bridges) { @@ -1378,10 +1491,6 @@ bridge_run(void) } } - /* (Re)configure if necessary. */ - database_changed = ovsdb_idl_run(idl); - cfg = ovsrec_open_vswitch_first(idl); - /* Re-configure SSL. We do this on every trip through the main loop, * instead of just when the database changes, because the contents of the * key and certificate files can change without the database changing. @@ -1430,9 +1539,9 @@ bridge_run(void) iface_refresh_status(iface); } } - bridge_refresh_controller_status(br); } refresh_system_stats(cfg); + refresh_controller_status(); ovsdb_idl_txn_commit(txn); ovsdb_idl_txn_destroy(txn); /* XXX */ } @@ -1452,7 +1561,9 @@ bridge_run(void) struct iface *iface; LIST_FOR_EACH (iface, port_elem, &port->ifaces) { - changed = iface_refresh_cfm_stats(iface) || changed; + /* XXX: Eventually we need to remove the lacp_current flag + * from the database so that we can completely get rid of + * this rate limiter code. */ changed = iface_refresh_lacp_stats(iface) || changed; } } @@ -1465,21 +1576,25 @@ bridge_run(void) ovsdb_idl_txn_commit(txn); ovsdb_idl_txn_destroy(txn); } + + refresh_cfm_stats(); } void bridge_wait(void) { - struct bridge *br; - - HMAP_FOR_EACH (br, node, &all_bridges) { - ofproto_wait(br->ofproto); - } ovsdb_idl_wait(idl); - poll_timer_wait_until(stats_timer); + if (!hmap_is_empty(&all_bridges)) { + struct bridge *br; + + HMAP_FOR_EACH (br, node, &all_bridges) { + ofproto_wait(br->ofproto); + } + poll_timer_wait_until(stats_timer); - if (db_limiter > time_msec()) { - poll_timer_wait_until(db_limiter); + if (db_limiter > time_msec()) { + poll_timer_wait_until(db_limiter); + } } } @@ -2196,6 +2311,11 @@ port_configure_bond(struct port *port, struct bond_settings *s, port->name, port->cfg->bond_mode, bond_mode_to_string(s->balance)); } + if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { + VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " + "please use another bond type or disable flood_vlans", + port->name); + } miimon_interval = atoi(get_port_other_config(port->cfg, "bond-miimon-interval", "0")); @@ -2449,6 +2569,7 @@ iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) } else { struct iface_delete_queues_cbdata cbdata; struct shash details; + bool queue_zero; size_t i; /* Configure top-level Qos for 'iface'. */ @@ -2464,16 +2585,28 @@ iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); /* Configure queues for 'iface'. */ + queue_zero = false; for (i = 0; i < qos->n_queues; i++) { const struct ovsrec_queue *queue = qos->value_queues[i]; unsigned int queue_id = qos->key_queues[i]; + if (queue_id == 0) { + queue_zero = true; + } + shash_from_ovs_idl_map(queue->key_other_config, queue->value_other_config, queue->n_other_config, &details); netdev_set_queue(iface->netdev, queue_id, &details); shash_destroy(&details); } + if (!queue_zero) { + static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); + VLOG_WARN_RL(&rl, "interface %s: QoS configured without a default " + "queue (queue 0). Packets not directed to a " + "correctly configured queue may be dropped.", + iface->name); + } } netdev_set_policing(iface->netdev, @@ -2485,25 +2618,25 @@ static void iface_configure_cfm(struct iface *iface) { const struct ovsrec_interface *cfg = iface->cfg; + const char *extended_str; struct cfm_settings s; - uint16_t remote_mpid; - if (!cfg->n_cfm_mpid || !cfg->n_cfm_remote_mpid) { + if (!cfg->n_cfm_mpid) { ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); return; } s.mpid = *cfg->cfm_mpid; - remote_mpid = *cfg->cfm_remote_mpid; - s.remote_mpids = &remote_mpid; - s.n_remote_mpids = 1; - s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval", "0")); if (s.interval <= 0) { s.interval = 1000; } + extended_str = get_interface_other_config(iface->cfg, "cfm_extended", + "false"); + s.extended = !strcasecmp("true", extended_str); + ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); } @@ -2693,7 +2826,6 @@ mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) &s.srcs, &s.n_srcs); mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, &s.dsts, &s.n_dsts); - } /* Get VLAN selection. */