/* Copyright (c) 2008, 2009 Nicira Networks
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * In addition, as a special exception, Nicira Networks gives permission
- * to link the code of its release of vswitchd with the OpenSSL project's
- * "OpenSSL" library (or with modified versions of it that use the same
- * license as the "OpenSSL" library), and distribute the linked
- * executables. You must obey the GNU General Public License in all
- * respects for all of the code used other than "OpenSSL". If you modify
- * this file, you may extend this exception to your version of the file,
- * but you are not obligated to do so. If you do not wish to do so,
- * delete this exception statement from your version.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
#include <config.h>
#include <strings.h>
#include <sys/stat.h>
#include <sys/socket.h>
+#include <sys/types.h>
#include <unistd.h>
#include "bitmap.h"
#include "cfg.h"
#include "odp-util.h"
#include "ofp-print.h"
#include "ofpbuf.h"
+#include "ofproto/ofproto.h"
#include "packets.h"
#include "poll-loop.h"
#include "port-array.h"
#include "proc-net-compat.h"
#include "process.h"
-#include "secchan/ofproto.h"
#include "socket-util.h"
#include "stp.h"
#include "svec.h"
struct ofproto *ofproto; /* OpenFlow switch. */
/* Kernel datapath information. */
- struct dpif dpif; /* Kernel datapath. */
+ struct dpif *dpif; /* Datapath. */
struct port_array ifaces; /* Indexed by kernel datapath port number. */
/* Bridge ports. */
const char *devname);
static uint64_t dpid_from_hash(const void *, size_t nbytes);
+static void bridge_unixctl_fdb_show(struct unixctl_conn *, const char *args);
+
static void bond_init(void);
static void bond_run(struct bridge *);
static void bond_wait(struct bridge *);
for (j = 0; j < port->n_ifaces; j++) {
struct iface *iface = port->ifaces[j];
if (iface->dp_ifidx < 0) {
- VLOG_ERR("%s interface not in dp%u, ignoring",
- iface->name, dpif_id(&br->dpif));
+ VLOG_ERR("%s interface not in datapath %s, ignoring",
+ iface->name, dpif_name(br->dpif));
} else {
if (iface->dp_ifidx != ODPP_LOCAL) {
svec_add(svec, iface->name);
void
bridge_init(void)
{
- int retval;
- int i;
+ struct svec dpif_names;
+ size_t i;
- bond_init();
+ unixctl_command_register("fdb/show", bridge_unixctl_fdb_show);
- for (i = 0; i < DP_MAX; i++) {
- struct dpif dpif;
- char devname[16];
+ dp_enumerate(&dpif_names);
+ for (i = 0; i < dpif_names.n; i++) {
+ const char *dpif_name = dpif_names.names[i];
+ struct dpif *dpif;
+ int retval;
- sprintf(devname, "dp%d", i);
- retval = dpif_open(devname, &dpif);
+ retval = dpif_open(dpif_name, &dpif);
if (!retval) {
- char dpif_name[IF_NAMESIZE];
- if (dpif_get_name(&dpif, dpif_name, sizeof dpif_name)
- || !cfg_has("bridge.%s.port", dpif_name)) {
- dpif_delete(&dpif);
+ struct svec all_names;
+ size_t j;
+
+ svec_init(&all_names);
+ dpif_get_all_names(dpif, &all_names);
+ for (j = 0; j < all_names.n; j++) {
+ if (cfg_has("bridge.%s.port", all_names.names[j])) {
+ goto found;
+ }
}
- dpif_close(&dpif);
- } else if (retval != ENODEV) {
- VLOG_ERR("failed to delete datapath dp%d: %s",
- i, strerror(retval));
+ dpif_delete(dpif);
+ found:
+ svec_destroy(&all_names);
+ dpif_close(dpif);
}
}
+ bond_init();
bridge_reconfigure();
}
static char *private_key_file;
static char *certificate_file;
static char *cacert_file;
+ struct stat s;
if (config_string_change("ssl.private-key", &private_key_file)) {
vconn_ssl_set_private_key_file(private_key_file);
vconn_ssl_set_certificate_file(certificate_file);
}
- if (config_string_change("ssl.ca-cert", &cacert_file)) {
+ /* We assume that even if the filename hasn't changed, if the CA cert
+ * file has been removed, that we want to move back into
+ * boot-strapping mode. This opens a small security hole, because
+ * the old certificate will still be trusted until vSwitch is
+ * restarted. We may want to address this in vconn's SSL library. */
+ if (config_string_change("ssl.ca-cert", &cacert_file)
+ || (cacert_file && stat(cacert_file, &s) && errno == ENOENT)) {
vconn_ssl_set_ca_cert_file(cacert_file,
cfg_get_bool(0, "ssl.bootstrap-ca-cert"));
}
}
#endif
+static bool
+check_iface_dp_ifidx(struct bridge *br, struct iface *iface,
+ void *local_ifacep_)
+{
+ struct iface **local_ifacep = local_ifacep_;
+
+ if (iface->dp_ifidx >= 0) {
+ if (iface->dp_ifidx == ODPP_LOCAL) {
+ *local_ifacep = iface;
+ }
+ VLOG_DBG("%s has interface %s on port %d",
+ dpif_name(br->dpif),
+ iface->name, iface->dp_ifidx);
+ return true;
+ } else {
+ VLOG_ERR("%s interface not in %s, dropping",
+ iface->name, dpif_name(br->dpif));
+ return false;
+ }
+}
+
+/* Calls 'cb' for each interfaces in 'br', passing along the 'aux' argument.
+ * Deletes from 'br' all the interfaces for which 'cb' returns false, and then
+ * deletes from 'br' any ports that no longer have any interfaces. */
+static void
+iterate_and_prune_ifaces(struct bridge *br,
+ bool (*cb)(struct bridge *, struct iface *,
+ void *aux),
+ void *aux)
+{
+ size_t i, j;
+
+ for (i = 0; i < br->n_ports; ) {
+ struct port *port = br->ports[i];
+ for (j = 0; j < port->n_ifaces; ) {
+ struct iface *iface = port->ifaces[j];
+ if (cb(br, iface, aux)) {
+ j++;
+ } else {
+ iface_destroy(iface);
+ }
+ }
+
+ if (port->n_ifaces) {
+ i++;
+ } else {
+ VLOG_ERR("%s port has no interfaces, dropping", port->name);
+ port_destroy(port);
+ }
+ }
+}
+
void
bridge_reconfigure(void)
{
- struct svec old_br, new_br, raw_new_br;
+ struct svec old_br, new_br;
struct bridge *br, *next;
- size_t i, j;
+ size_t i;
COVERAGE_INC(bridge_reconfigure);
- /* Collect old bridges. */
+ /* Collect old and new bridges. */
svec_init(&old_br);
+ svec_init(&new_br);
LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
svec_add(&old_br, br->name);
}
-
- /* Collect new bridges. */
- svec_init(&raw_new_br);
- cfg_get_subsections(&raw_new_br, "bridge");
- svec_init(&new_br);
- for (i = 0; i < raw_new_br.n; i++) {
- const char *name = raw_new_br.names[i];
- if ((!strncmp(name, "dp", 2) && isdigit(name[2])) ||
- (!strncmp(name, "nl:", 3) && isdigit(name[3]))) {
- VLOG_ERR("%s is not a valid bridge name (bridges may not be "
- "named \"dp\" or \"nl:\" followed by a digit)", name);
- } else {
- svec_add(&new_br, name);
- }
- }
- svec_destroy(&raw_new_br);
+ cfg_get_subsections(&new_br, "bridge");
/* Get rid of deleted bridges and add new bridges. */
svec_sort(&old_br);
size_t n_dpif_ports;
struct svec want_ifaces;
- dpif_port_list(&br->dpif, &dpif_ports, &n_dpif_ports);
+ dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
bridge_get_all_ifaces(br, &want_ifaces);
for (i = 0; i < n_dpif_ports; i++) {
const struct odp_port *p = &dpif_ports[i];
if (!svec_contains(&want_ifaces, p->devname)
&& strcmp(p->devname, br->name)) {
- int retval = dpif_port_del(&br->dpif, p->port);
+ int retval = dpif_port_del(br->dpif, p->port);
if (retval) {
- VLOG_ERR("failed to remove %s interface from dp%u: %s",
- p->devname, dpif_id(&br->dpif), strerror(retval));
+ VLOG_ERR("failed to remove %s interface from %s: %s",
+ p->devname, dpif_name(br->dpif),
+ strerror(retval));
}
}
}
struct odp_port *dpif_ports;
size_t n_dpif_ports;
struct svec cur_ifaces, want_ifaces, add_ifaces;
- int next_port_no;
- dpif_port_list(&br->dpif, &dpif_ports, &n_dpif_ports);
+ dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
svec_init(&cur_ifaces);
for (i = 0; i < n_dpif_ports; i++) {
svec_add(&cur_ifaces, dpif_ports[i].devname);
bridge_get_all_ifaces(br, &want_ifaces);
svec_diff(&want_ifaces, &cur_ifaces, &add_ifaces, NULL, NULL);
- next_port_no = 1;
for (i = 0; i < add_ifaces.n; i++) {
const char *if_name = add_ifaces.names[i];
- for (;;) {
- int internal = cfg_get_bool(0, "iface.%s.internal", if_name);
- int error = dpif_port_add(&br->dpif, if_name, next_port_no++,
- internal ? ODP_PORT_INTERNAL : 0);
- if (error != EEXIST) {
- if (next_port_no >= 256) {
- VLOG_ERR("ran out of valid port numbers on dp%u",
- dpif_id(&br->dpif));
- goto out;
- }
- if (error) {
- VLOG_ERR("failed to add %s interface to dp%u: %s",
- if_name, dpif_id(&br->dpif), strerror(error));
- }
- break;
- }
+ int internal = cfg_get_bool(0, "iface.%s.internal", if_name);
+ int flags = internal ? ODP_PORT_INTERNAL : 0;
+ int error = dpif_port_add(br->dpif, if_name, flags, NULL);
+ if (error == EXFULL) {
+ VLOG_ERR("ran out of valid port numbers on %s",
+ dpif_name(br->dpif));
+ break;
+ } else if (error) {
+ VLOG_ERR("failed to add %s interface to %s: %s",
+ if_name, dpif_name(br->dpif), strerror(error));
}
}
- out:
svec_destroy(&cur_ifaces);
svec_destroy(&want_ifaces);
svec_destroy(&add_ifaces);
uint64_t dpid;
struct iface *local_iface = NULL;
const char *devname;
- uint8_t engine_type = br->dpif.minor;
- uint8_t engine_id = br->dpif.minor;
+ uint8_t engine_type, engine_id;
bool add_id_to_iface = false;
struct svec nf_hosts;
bridge_fetch_dp_ifaces(br);
- for (i = 0; i < br->n_ports; ) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; ) {
- struct iface *iface = port->ifaces[j];
- if (iface->dp_ifidx < 0) {
- VLOG_ERR("%s interface not in dp%u, dropping",
- iface->name, dpif_id(&br->dpif));
- iface_destroy(iface);
- } else {
- if (iface->dp_ifidx == ODPP_LOCAL) {
- local_iface = iface;
- }
- VLOG_DBG("dp%u has interface %s on port %d",
- dpif_id(&br->dpif), iface->name, iface->dp_ifidx);
- j++;
- }
- }
- if (!port->n_ifaces) {
- VLOG_ERR("%s port has no interfaces, dropping", port->name);
- port_destroy(port);
- continue;
- }
- i++;
- }
+ local_iface = NULL;
+ iterate_and_prune_ifaces(br, check_iface_dp_ifidx, &local_iface);
/* Pick local port hardware address, datapath ID. */
bridge_pick_local_hw_addr(br, ea, &devname);
ofproto_set_datapath_id(br->ofproto, dpid);
/* Set NetFlow configuration on this bridge. */
+ dpif_get_netflow_ids(br->dpif, &engine_type, &engine_id);
if (cfg_has("netflow.%s.engine-type", br->name)) {
engine_type = cfg_get_int(0, "netflow.%s.engine-type",
br->name);
static uint64_t
dpid_from_hash(const void *data, size_t n)
{
- uint8_t hash[SHA1HashSize];
+ uint8_t hash[SHA1_DIGEST_SIZE];
BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
- SHA1Bytes(data, n, hash);
+ sha1_bytes(data, n, hash);
eth_addr_mark_random(hash);
return eth_addr_to_uint64(hash);
}
}
}
\f
+/* Bridge unixctl user interface functions. */
+static void
+bridge_unixctl_fdb_show(struct unixctl_conn *conn, const char *args)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ const struct bridge *br;
+
+ br = bridge_lookup(args);
+ if (!br) {
+ unixctl_command_reply(conn, 501, "no such bridge");
+ return;
+ }
+
+ ds_put_cstr(&ds, " port VLAN MAC Age\n");
+ if (br->ml) {
+ const struct mac_entry *e;
+ LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
+ if (e->port < 0 || e->port >= br->n_ports) {
+ continue;
+ }
+ ds_put_format(&ds, "%5d %4d "ETH_ADDR_FMT" %3d\n",
+ br->ports[e->port]->ifaces[0]->dp_ifidx,
+ e->vlan, ETH_ADDR_ARGS(e->mac), mac_entry_age(e));
+ }
+ }
+ unixctl_command_reply(conn, 200, ds_cstr(&ds));
+ ds_destroy(&ds);
+}
+\f
/* Bridge reconfiguration functions. */
static struct bridge *
br = xcalloc(1, sizeof *br);
error = dpif_create(name, &br->dpif);
- if (error == EEXIST) {
+ if (error == EEXIST || error == EBUSY) {
error = dpif_open(name, &br->dpif);
if (error) {
VLOG_ERR("datapath %s already exists but cannot be opened: %s",
free(br);
return NULL;
}
- dpif_flow_flush(&br->dpif);
+ dpif_flow_flush(br->dpif);
} else if (error) {
VLOG_ERR("failed to create datapath %s: %s", name, strerror(error));
free(br);
error = ofproto_create(name, &bridge_ofhooks, br, &br->ofproto);
if (error) {
VLOG_ERR("failed to create switch %s: %s", name, strerror(error));
- dpif_delete(&br->dpif);
- dpif_close(&br->dpif);
+ dpif_delete(br->dpif);
+ dpif_close(br->dpif);
free(br);
return NULL;
}
list_push_back(&all_bridges, &br->node);
- VLOG_INFO("created bridge %s on dp%u", br->name, dpif_id(&br->dpif));
+ VLOG_INFO("created bridge %s on %s", br->name, dpif_name(br->dpif));
return br;
}
port_destroy(br->ports[br->n_ports - 1]);
}
list_remove(&br->node);
- error = dpif_delete(&br->dpif);
+ error = dpif_delete(br->dpif);
if (error && error != ENOENT) {
- VLOG_ERR("failed to delete dp%u: %s",
- dpif_id(&br->dpif), strerror(error));
+ VLOG_ERR("failed to delete %s: %s",
+ dpif_name(br->dpif), strerror(error));
}
- dpif_close(&br->dpif);
+ dpif_close(br->dpif);
ofproto_destroy(br->ofproto);
free(br->controller);
mac_learning_destroy(br->ml);
return controller && controller[0] ? controller : NULL;
}
+static bool
+check_duplicate_ifaces(struct bridge *br, struct iface *iface, void *ifaces_)
+{
+ struct svec *ifaces = ifaces_;
+ if (!svec_contains(ifaces, iface->name)) {
+ svec_add(ifaces, iface->name);
+ svec_sort(ifaces);
+ return true;
+ } else {
+ VLOG_ERR("bridge %s: %s interface is on multiple ports, "
+ "removing from %s",
+ br->name, iface->name, iface->port->name);
+ return false;
+ }
+}
+
static void
bridge_reconfigure_one(struct bridge *br)
{
struct svec old_ports, new_ports, ifaces;
struct svec listeners, old_listeners;
struct svec snoops, old_snoops;
- size_t i, j;
+ size_t i;
/* Collect old ports. */
svec_init(&old_ports);
svec_init(&new_ports);
cfg_get_all_keys(&new_ports, "bridge.%s.port", br->name);
svec_sort(&new_ports);
- if (bridge_get_controller(br) && !svec_contains(&new_ports, br->name)) {
- svec_add(&new_ports, br->name);
- svec_sort(&new_ports);
+ if (bridge_get_controller(br)) {
+ char local_name[IF_NAMESIZE];
+ int error;
+
+ error = dpif_port_get_name(br->dpif, ODPP_LOCAL,
+ local_name, sizeof local_name);
+ if (!error && !svec_contains(&new_ports, local_name)) {
+ svec_add(&new_ports, local_name);
+ svec_sort(&new_ports);
+ }
}
if (!svec_is_unique(&new_ports)) {
VLOG_WARN("bridge %s: %s specified twice as bridge port",
/* Check and delete duplicate interfaces. */
svec_init(&ifaces);
- for (i = 0; i < br->n_ports; ) {
- struct port *port = br->ports[i];
- for (j = 0; j < port->n_ifaces; ) {
- struct iface *iface = port->ifaces[j];
- if (svec_contains(&ifaces, iface->name)) {
- VLOG_ERR("bridge %s: %s interface is on multiple ports, "
- "removing from %s",
- br->name, iface->name, port->name);
- iface_destroy(iface);
- } else {
- svec_add(&ifaces, iface->name);
- svec_sort(&ifaces);
- j++;
- }
- }
- if (!port->n_ifaces) {
- VLOG_ERR("%s port has no interfaces, dropping", port->name);
- port_destroy(port);
- } else {
- i++;
- }
- }
+ iterate_and_prune_ifaces(br, check_duplicate_ifaces, &ifaces);
svec_destroy(&ifaces);
/* Delete all flows if we're switching from connected to standalone or vice
int rate_limit, burst_limit;
if (!strcmp(controller, "discover")) {
+ bool update_resolv_conf = true;
+
+ if (cfg_has("%s.update-resolv.conf", pfx)) {
+ update_resolv_conf = cfg_get_bool(0, "%s.update-resolv.conf",
+ pfx);
+ }
ofproto_set_discovery(br->ofproto, true,
cfg_get_string(0, "%s.accept-regex", pfx),
- cfg_get_bool(0, "%s.update-resolv.conf",
- pfx));
+ update_resolv_conf);
} else {
+ char local_name[IF_NAMESIZE];
struct netdev *netdev;
bool in_band;
int error;
ofproto_set_discovery(br->ofproto, false, NULL, NULL);
ofproto_set_in_band(br->ofproto, in_band);
- error = netdev_open(br->name, NETDEV_ETH_TYPE_NONE, &netdev);
+ error = dpif_port_get_name(br->dpif, ODPP_LOCAL,
+ local_name, sizeof local_name);
+ if (!error) {
+ error = netdev_open(local_name, NETDEV_ETH_TYPE_NONE, &netdev);
+ }
if (!error) {
if (cfg_is_valid(CFG_IP | CFG_REQUIRED, "%s.ip", pfx)) {
struct in_addr ip, mask, gateway;
}
if (gateway.s_addr) {
- if (!netdev_add_router(gateway)) {
+ if (!netdev_add_router(netdev, gateway)) {
VLOG_INFO("bridge %s: configured gateway "IP_FMT,
br->name, IP_ARGS(&gateway.s_addr));
}
|| !strcmp(fail_mode, "open")));
probe = cfg_get_int(0, "%s.inactivity-probe", pfx);
- ofproto_set_probe_interval(br->ofproto,
- probe ? probe : cfg_get_int(0, "mgmt.inactivity-probe"));
+ if (probe < 5) {
+ probe = cfg_get_int(0, "mgmt.inactivity-probe");
+ if (probe < 5) {
+ probe = 15;
+ }
+ }
+ ofproto_set_probe_interval(br->ofproto, probe);
max_backoff = cfg_get_int(0, "%s.max-backoff", pfx);
if (!max_backoff) {
}
port_array_clear(&br->ifaces);
- dpif_port_list(&br->dpif, &dpif_ports, &n_dpif_ports);
+ dpif_port_list(br->dpif, &dpif_ports, &n_dpif_ports);
for (i = 0; i < n_dpif_ports; i++) {
struct odp_port *p = &dpif_ports[i];
struct iface *iface = iface_lookup(br, p->devname);
if (iface) {
if (iface->dp_ifidx >= 0) {
- VLOG_WARN("dp%u reported interface %s twice",
- dpif_id(&br->dpif), p->devname);
+ VLOG_WARN("%s reported interface %s twice",
+ dpif_name(br->dpif), p->devname);
} else if (iface_from_dp_ifidx(br, p->port)) {
- VLOG_WARN("dp%u reported interface %"PRIu16" twice",
- dpif_id(&br->dpif), p->port);
+ VLOG_WARN("%s reported interface %"PRIu16" twice",
+ dpif_name(br->dpif), p->port);
} else {
port_array_set(&br->ifaces, p->port, iface);
iface->dp_ifidx = p->port;
iface->delay_expires = LLONG_MAX;
VLOG_INFO_RL(&rl, "interface %s: will not be %s",
iface->name, carrier ? "disabled" : "enabled");
+ } else if (carrier && port->updelay && port->active_iface < 0) {
+ iface->delay_expires = time_msec();
+ VLOG_INFO_RL(&rl, "interface %s: skipping %d ms updelay since no "
+ "other interface is up", iface->name, port->updelay);
} else {
int delay = carrier ? port->updelay : port->downdelay;
iface->delay_expires = time_msec() + delay;
iface->enabled = enable;
if (!iface->enabled) {
- VLOG_WARN("interface %s: enabled", iface->name);
+ VLOG_WARN("interface %s: disabled", iface->name);
ofproto_revalidate(br->ofproto, iface->tag);
if (iface->port_ifidx == port->active_iface) {
ofproto_revalidate(br->ofproto,
}
bond_send_learning_packets(port);
} else {
- VLOG_WARN("interface %s: disabled", iface->name);
+ VLOG_WARN("interface %s: enabled", iface->name);
if (port->active_iface < 0) {
ofproto_revalidate(br->ofproto, port->no_ifaces_tag);
bond_choose_active_iface(port);
return;
}
- if (sscanf(hash_s, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
- &mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) == 6) {
+ if (sscanf(hash_s, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
+ == ETH_ADDR_SCAN_COUNT) {
hash = bond_hash(mac);
} else if (strspn(hash_s, "0123456789") == strlen(hash_s)) {
hash = atoi(hash_s) & BOND_MASK;
git://git.onelab.eu / sliver-openvswitch.git / blobdiff