static struct iface *iface_lookup(const struct bridge *, const char *name);
static struct iface *iface_from_dp_ifidx(const struct bridge *,
uint16_t dp_ifidx);
+static bool iface_is_internal(const struct bridge *, const char *name);
+static void iface_set_mac(struct iface *);
/* Hooks into ofproto processing. */
static struct ofhooks bridge_ofhooks;
bool internal;
int error;
- /* It's an internal interface if it's marked that way, or if
- * it's a bonded interface for which we're faking up a network
- * device. */
- internal = cfg_get_bool(0, "iface.%s.internal", if_name);
- if (cfg_get_bool(0, "bonding.%s.fake-iface", if_name)) {
- struct port *port = port_lookup(br, if_name);
- if (port && port->n_ifaces > 1) {
- internal = true;
- }
- }
-
/* Add to datapath. */
+ internal = iface_is_internal(br, if_name);
error = dpif_port_add(&br->dpif, if_name, next_port_no++,
internal ? ODP_PORT_INTERNAL : 0);
if (error != EEXIST) {
VLOG_ERR("bridge %s: problem setting netflow collectors",
br->name);
}
+ svec_destroy(&nf_hosts);
/* Update the controller and related settings. It would be more
* straightforward to call this from bridge_reconfigure_one(), but we
LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
for (i = 0; i < br->n_ports; i++) {
struct port *port = br->ports[i];
+
port_update_vlan_compat(port);
+
+ for (j = 0; j < port->n_ifaces; j++) {
+ struct iface *iface = port->ifaces[j];
+ if (iface->dp_ifidx != ODPP_LOCAL
+ && iface_is_internal(br, iface->name)) {
+ iface_set_mac(iface);
+ }
+ }
}
}
LIST_FOR_EACH (br, struct bridge, node, &all_bridges) {
}
iface->tag = tag_create_random();
}
+ port_update_bond_compat(port);
}
static void
if (dst_is_duplicate(dsts, dst - dsts, dst)) {
continue;
}
- if (dst->dp_ifidx == flow->in_port
- && dst->vlan == vlan) {
+ if (port == in_port && dst->vlan == vlan) {
/* Don't send out input port on same VLAN. */
continue;
}
ofpbuf_init(&packet, 128);
error = n_packets = n_errors = 0;
LIST_FOR_EACH (e, struct mac_entry, lru_node, &br->ml->lrus) {
- static const char s[] = "Open vSwitch Bond Failover";
union ofp_action actions[2], *a;
- struct eth_header *eth;
- struct llc_snap_header *llc_snap;
uint16_t dp_ifidx;
tag_type tags = 0;
flow_t flow;
continue;
}
- /* Compose packet to send. */
- ofpbuf_clear(&packet);
- eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
- llc_snap = ofpbuf_put_zeros(&packet, LLC_SNAP_HEADER_LEN);
- ofpbuf_put(&packet, s, sizeof s); /* Includes null byte. */
- ofpbuf_put(&packet, e->mac, ETH_ADDR_LEN);
-
- memcpy(eth->eth_dst, eth_addr_broadcast, ETH_ADDR_LEN);
- memcpy(eth->eth_src, e->mac, ETH_ADDR_LEN);
- eth->eth_type = htons(packet.size - ETH_HEADER_LEN);
-
- llc_snap->llc.llc_dsap = LLC_DSAP_SNAP;
- llc_snap->llc.llc_ssap = LLC_SSAP_SNAP;
- llc_snap->llc.llc_cntl = LLC_CNTL_SNAP;
- memcpy(llc_snap->snap.snap_org, "\x00\x23\x20", 3);
- llc_snap->snap.snap_type = htons(0xf177); /* Random number. */
-
/* Compose actions. */
memset(actions, 0, sizeof actions);
a = actions;
/* Send packet. */
n_packets++;
+ compose_benign_packet(&packet, "Open vSwitch Bond Failover", 0xf177,
+ e->mac);
flow_extract(&packet, ODPP_NONE, &flow);
retval = ofproto_send_packet(br->ofproto, &flow, actions, a - actions,
&packet);
struct iface *iface = port->ifaces[i];
struct compat_bond_slave *slave = &bond.slaves[i];
slave->name = iface->name;
- slave->up = ((iface->enabled && iface->delay_expires == LLONG_MAX) ||
- (!iface->enabled && iface->delay_expires != LLONG_MAX));
+
+ /* We need to make the same determination as the Linux bonding
+ * code to determine whether a slave should be consider "up".
+ * The Linux function bond_miimon_inspect() supports four
+ * BOND_LINK_* states:
+ *
+ * - BOND_LINK_UP: carrier detected, updelay has passed.
+ * - BOND_LINK_FAIL: carrier lost, downdelay in progress.
+ * - BOND_LINK_DOWN: carrier lost, downdelay has passed.
+ * - BOND_LINK_BACK: carrier detected, updelay in progress.
+ *
+ * The function bond_info_show_slave() only considers BOND_LINK_UP
+ * to be "up" and anything else to be "down".
+ */
+ slave->up = iface->enabled && iface->delay_expires == LLONG_MAX;
if (slave->up) {
bond.up = true;
}
memcpy(slave->mac, iface->mac, ETH_ADDR_LEN);
}
+ if (cfg_get_bool(0, "bonding.%s.fake-iface", port->name)) {
+ struct netdev *bond_netdev;
+
+ if (!netdev_open(port->name, NETDEV_ETH_TYPE_NONE, &bond_netdev)) {
+ if (bond.up) {
+ netdev_turn_flags_on(bond_netdev, NETDEV_UP, true);
+ } else {
+ netdev_turn_flags_off(bond_netdev, NETDEV_UP, true);
+ }
+ netdev_close(bond_netdev);
+ }
+ }
+
proc_net_compat_update_bond(port->name, &bond);
free(bond.slaves);
}
{
return port_array_get(&br->ifaces, dp_ifidx);
}
+
+/* Returns true if 'iface' is the name of an "internal" interface on bridge
+ * 'br', that is, an interface that is entirely simulated within the datapath.
+ * The local port (ODPP_LOCAL) is always an internal interface. Other local
+ * interfaces are created by setting "iface.<iface>.internal = true".
+ *
+ * In addition, we have a kluge-y feature that creates an internal port with
+ * the name of a bonded port if "bonding.<bondname>.fake-iface = true" is set.
+ * This feature needs to go away in the long term. Until then, this is one
+ * reason why this function takes a name instead of a struct iface: the fake
+ * interfaces created this way do not have a struct iface. */
+static bool
+iface_is_internal(const struct bridge *br, const char *iface)
+{
+ if (!strcmp(iface, br->name)
+ || cfg_get_bool(0, "iface.%s.internal", iface)) {
+ return true;
+ }
+
+ if (cfg_get_bool(0, "bonding.%s.fake-iface", iface)) {
+ struct port *port = port_lookup(br, iface);
+ if (port && port->n_ifaces > 1) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/* Set Ethernet address of 'iface', if one is specified in the configuration
+ * file. */
+static void
+iface_set_mac(struct iface *iface)
+{
+ uint64_t mac = cfg_get_mac(0, "iface.%s.mac", iface->name);
+ if (mac) {
+ static uint8_t ea[ETH_ADDR_LEN];
+
+ eth_addr_from_uint64(mac, ea);
+ if (eth_addr_is_multicast(ea)) {
+ VLOG_ERR("interface %s: cannot set MAC to multicast address",
+ iface->name);
+ } else if (iface->dp_ifidx == ODPP_LOCAL) {
+ VLOG_ERR("ignoring iface.%s.mac; use bridge.%s.mac instead",
+ iface->name, iface->name);
+ } else {
+ int error = netdev_nodev_set_etheraddr(iface->name, ea);
+ if (error) {
+ VLOG_ERR("interface %s: setting MAC failed (%s)",
+ iface->name, strerror(error));
+ }
+ }
+ }
+}
\f
/* Port mirroring. */