/* 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.
*
- * 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.
+ * 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:
*
- * 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. */
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;
-
- bond_init();
+ struct svec dpif_names;
+ size_t i;
- 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"));
}
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;
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;
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));
+ VLOG_ERR("%s interface not in %s, dropping",
+ iface->name, dpif_name(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);
+ VLOG_DBG("%s has interface %s on port %d",
+ dpif_name(br->dpif),
+ iface->name, iface->dp_ifidx);
j++;
}
}
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);
}
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);
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",
cfg_get_bool(0, "%s.update-resolv.conf",
pfx));
} 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;
|| !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;
goto done;
}
- /* Drop multicast and broadcast packets on inactive bonded interfaces, to
+ /* Multicast (and broadcast) packets on bonds need special attention, to
* avoid receiving duplicates. */
if (in_port->n_ifaces > 1 && eth_addr_is_multicast(flow->dl_dst)) {
*tags |= in_port->active_iface_tag;
if (in_port->active_iface != in_iface->port_ifidx) {
+ /* Drop all multicast packets on inactive slaves. */
goto done;
+ } else {
+ /* Drop all multicast packets for which we have learned a different
+ * input port, because we probably sent the packet on one slaves
+ * and got it back on the active slave. Broadcast ARP replies are
+ * an exception to this rule: the host has moved to another
+ * switch. */
+ int src_idx = mac_learning_lookup(br->ml, flow->dl_src, vlan);
+ if (src_idx != -1 && src_idx != in_port->port_idx) {
+ if (packet) {
+ if (!is_bcast_arp_reply(flow, packet)) {
+ goto done;
+ }
+ } else {
+ /* No way to know whether it's an ARP reply, because the
+ * flow entry doesn't include enough information and we
+ * don't have a packet. Punt. */
+ return false;
+ }
+ }
}
}
out_port = FLOOD_PORT;
if (br->ml) {
int out_port_idx;
- bool may_learn;
-
- if (!packet) {
- /* Don't try to learn from revalidation. */
- may_learn = false;
- } else if (in_port->n_ifaces > 1) {
- /* If the packet arrived on a bonded port, don't learn from it
- * unless we haven't learned any port at all for that address
- * (because we probably sent the packet on one bonded interface and
- * got it back on the other). Broadcast ARP replies are an
- * exception to this rule: the host has moved to another switch. */
- int src_idx = mac_learning_lookup(br->ml, flow->dl_src, vlan);
- may_learn = (src_idx < 0
- || src_idx == in_port->port_idx
- || is_bcast_arp_reply(flow, packet));
- } else {
- may_learn = true;
- }
- /* Learn source MAC. */
- if (may_learn) {
+ /* Learn source MAC (but don't try to learn from revalidation). */
+ if (packet) {
tag_type rev_tag = mac_learning_learn(br->ml, flow->dl_src,
vlan, in_port->port_idx);
if (rev_tag) {
git://git.onelab.eu / sliver-openvswitch.git / blobdiff