-
-static void
-port_update_bond_compat(struct port *port)
-{
- struct compat_bond_hash compat_hashes[BOND_MASK + 1];
- struct compat_bond bond;
- size_t i;
-
- if (port->n_ifaces < 2 || port->bond_mode != BM_SLB) {
- proc_net_compat_update_bond(port->name, NULL);
- return;
- }
-
- bond.up = false;
- bond.updelay = port->updelay;
- bond.downdelay = port->downdelay;
-
- bond.n_hashes = 0;
- bond.hashes = compat_hashes;
- if (port->bond_hash) {
- const struct bond_entry *e;
- for (e = port->bond_hash; e <= &port->bond_hash[BOND_MASK]; e++) {
- if (e->iface_idx >= 0 && e->iface_idx < port->n_ifaces) {
- struct compat_bond_hash *cbh = &bond.hashes[bond.n_hashes++];
- cbh->hash = e - port->bond_hash;
- cbh->netdev_name = port->ifaces[e->iface_idx]->name;
- }
- }
- }
-
- bond.n_slaves = port->n_ifaces;
- bond.slaves = xmalloc(port->n_ifaces * sizeof *bond.slaves);
- for (i = 0; i < port->n_ifaces; i++) {
- struct iface *iface = port->ifaces[i];
- struct compat_bond_slave *slave = &bond.slaves[i];
- slave->name = iface->name;
-
- /* 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;
- }
- netdev_get_etheraddr(iface->netdev, slave->mac);
- }
-
- if (port->bond_fake_iface) {
- struct netdev *bond_netdev;
-
- if (!netdev_open_default(port->name, &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);
-}
-
-static void
-port_update_vlan_compat(struct port *port)
-{
- struct bridge *br = port->bridge;
- char *vlandev_name = NULL;
-
- if (port->vlan > 0) {
- /* Figure out the name that the VLAN device should actually have, if it
- * existed. This takes some work because the VLAN device would not
- * have port->name in its name; rather, it would have the trunk port's
- * name, and 'port' would be attached to a bridge that also had the
- * VLAN device one of its ports. So we need to find a trunk port that
- * includes port->vlan.
- *
- * There might be more than one candidate. This doesn't happen on
- * XenServer, so if it happens we just pick the first choice in
- * alphabetical order instead of creating multiple VLAN devices. */
- size_t i;
- for (i = 0; i < br->n_ports; i++) {
- struct port *p = br->ports[i];
- if (port_trunks_vlan(p, port->vlan)
- && p->n_ifaces
- && (!vlandev_name || strcmp(p->name, vlandev_name) <= 0))
- {
- uint8_t ea[ETH_ADDR_LEN];
- netdev_get_etheraddr(p->ifaces[0]->netdev, ea);
- if (!eth_addr_is_multicast(ea) &&
- !eth_addr_is_reserved(ea) &&
- !eth_addr_is_zero(ea)) {
- vlandev_name = p->name;
- }
- }
- }
- }
- proc_net_compat_update_vlan(port->name, vlandev_name, port->vlan);
-}