#include "timeval.h"
#include "unixctl.h"
#include "util.h"
+#include "vlog.h"
#include "vswitchd/vswitch-idl.h"
-#include "vlog.h"
-#define THIS_MODULE VLM_brcompatd
+VLOG_DEFINE_THIS_MODULE(brcompatd)
/* xxx Just hangs if datapath is rmmod/insmod. Learn to reconnect? */
return retval;
}
ofpbuf_init(&request, 0);
- nl_msg_put_genlmsghdr(&request, sock, 0, brc_family,
+ nl_msg_put_genlmsghdr(&request, 0, brc_family,
NLM_F_REQUEST, BRC_GENL_C_QUERY_MC, 1);
retval = nl_sock_transact(sock, &request, &reply);
ofpbuf_uninit(&request);
do_get_bridge_parts(br, ports, vlan, false);
}
-#if 0
-/* Go through the configuration file and remove any ports that no longer
- * exist associated with a bridge. */
-static void
-prune_ports(void)
-{
- int i, j;
- struct svec bridges, delete;
-
- if (cfg_lock(NULL, 0)) {
- /* Couldn't lock config file. */
- return;
- }
-
- svec_init(&bridges);
- svec_init(&delete);
- cfg_get_subsections(&bridges, "bridge");
- for (i=0; i<bridges.n; i++) {
- const char *br_name = bridges.names[i];
- struct svec ifaces;
-
- /* Check that each bridge interface exists. */
- svec_init(&ifaces);
- get_bridge_ifaces(br_name, &ifaces, -1);
- for (j = 0; j < ifaces.n; j++) {
- const char *iface_name = ifaces.names[j];
-
- /* The local port and internal ports are created and destroyed by
- * ovs-vswitchd itself, so don't bother checking for them at all.
- * In practice, they might not exist if ovs-vswitchd hasn't
- * finished reloading since the configuration file was updated. */
- if (!strcmp(iface_name, br_name)
- || cfg_get_bool(0, "iface.%s.internal", iface_name)) {
- continue;
- }
-
- if (!netdev_exists(iface_name)) {
- VLOG_INFO_RL(&rl, "removing dead interface %s from %s",
- iface_name, br_name);
- svec_add(&delete, iface_name);
- }
- }
- svec_destroy(&ifaces);
- }
- svec_destroy(&bridges);
-
- if (delete.n) {
- size_t i;
-
- for (i = 0; i < delete.n; i++) {
- cfg_del_match("bridge.*.port=%s", delete.names[i]);
- cfg_del_match("bonding.*.slave=%s", delete.names[i]);
- }
- reload_config();
- cfg_unlock();
- } else {
- cfg_unlock();
- }
- svec_destroy(&delete);
-}
-#endif
-
static struct ovsdb_idl_txn *
txn_from_openvswitch(const struct ovsrec_open_vswitch *ovs)
{
txn = ovsdb_idl_txn_create(idl);
+ ovsdb_idl_txn_add_comment(txn, "ovs-brcompatd: addbr %s", br_name);
+
iface = ovsrec_interface_insert(txn_from_openvswitch(ovs));
ovsrec_interface_set_name(iface, br_name);
free(ports);
}
+/* Deletes 'port' from 'br'.
+ *
+ * After calling this function, 'port' must not be referenced again. */
static void
-del_port(const struct ovsrec_bridge *br, const char *port_name)
+del_port(const struct ovsrec_bridge *br, const struct ovsrec_port *port)
{
- size_t i, j;
- struct ovsrec_port *port_rec = NULL;
+ struct ovsrec_port **ports;
+ size_t i, n;
+
+ /* Remove 'port' from the bridge's list of ports. */
+ ports = xmalloc(sizeof *br->ports * br->n_ports);
+ for (i = n = 0; i < br->n_ports; i++) {
+ if (br->ports[i] != port) {
+ ports[n++] = br->ports[i];
+ }
+ }
+ ovsrec_bridge_set_ports(br, ports, n);
+ free(ports);
+
+ /* Delete all of the port's interfaces. */
+ for (i = 0; i < port->n_interfaces; i++) {
+ ovsrec_interface_delete(port->interfaces[i]);
+ }
+
+ /* Delete the port itself. */
+ ovsrec_port_delete(port);
+}
+
+/* Delete 'iface' from 'port' (which must be within 'br'). If 'iface' was
+ * 'port''s only interface, delete 'port' from 'br' also.
+ *
+ * After calling this function, 'iface' must not be referenced again. */
+static void
+del_interface(const struct ovsrec_bridge *br,
+ const struct ovsrec_port *port,
+ const struct ovsrec_interface *iface)
+{
+ if (port->n_interfaces == 1) {
+ del_port(br, port);
+ } else {
+ struct ovsrec_interface **ifaces;
+ size_t i, n;
+
+ ifaces = xmalloc(sizeof *port->interfaces * port->n_interfaces);
+ for (i = n = 0; i < port->n_interfaces; i++) {
+ if (port->interfaces[i] != iface) {
+ ifaces[n++] = port->interfaces[i];
+ }
+ }
+ ovsrec_port_set_interfaces(port, ifaces, n);
+ free(ifaces);
+ ovsrec_interface_delete(iface);
+ }
+}
+
+/* Find and return a port within 'br' named 'port_name'. */
+static const struct ovsrec_port *
+find_port(const struct ovsrec_bridge *br, const char *port_name)
+{
+ size_t i;
for (i = 0; i < br->n_ports; i++) {
struct ovsrec_port *port = br->ports[i];
if (!strcmp(port_name, port->name)) {
- port_rec = port;
- }
- for (j = 0; j < port->n_interfaces; j++) {
- struct ovsrec_interface *iface = port->interfaces[j];
- if (!strcmp(port_name, iface->name)) {
- ovsrec_interface_delete(iface);
- }
+ return port;
}
}
+ return NULL;
+}
- /* xxx Probably can move this into the "for" loop. */
- if (port_rec) {
- struct ovsrec_port **ports;
- size_t n;
+/* Find and return an interface within 'br' named 'iface_name'. */
+static const struct ovsrec_interface *
+find_interface(const struct ovsrec_bridge *br, const char *iface_name,
+ struct ovsrec_port **portp)
+{
+ size_t i;
- ports = xmalloc(sizeof *br->ports * br->n_ports);
- for (i = n = 0; i < br->n_ports; i++) {
- if (br->ports[i] != port_rec) {
- ports[n++] = br->ports[i];
+ for (i = 0; i < br->n_ports; i++) {
+ struct ovsrec_port *port = br->ports[i];
+ size_t j;
+
+ for (j = 0; j < port->n_interfaces; j++) {
+ struct ovsrec_interface *iface = port->interfaces[j];
+ if (!strcmp(iface->name, iface_name)) {
+ *portp = port;
+ return iface;
}
}
- ovsrec_bridge_set_ports(br, ports, n);
- free(ports);
-
- ovsrec_port_delete(port_rec);
}
+
+ *portp = NULL;
+ return NULL;
}
static int
txn = ovsdb_idl_txn_create(idl);
- del_port(br, br_name);
+ ovsdb_idl_txn_add_comment(txn, "ovs-brcompatd: delbr %s", br_name);
+ /* Delete everything that the bridge points to, then delete the bridge
+ * itself. */
+ while (br->n_ports > 0) {
+ del_port(br, br->ports[0]);
+ }
+ for (i = 0; i < br->n_mirrors; i++) {
+ ovsrec_mirror_delete(br->mirrors[i]);
+ }
+ if (br->netflow) {
+ ovsrec_netflow_delete(br->netflow);
+ }
+ if (br->sflow) {
+ ovsrec_sflow_delete(br->sflow);
+ }
+ for (i = 0; i < br->n_controller; i++) {
+ ovsrec_controller_delete(br->controller[i]);
+ }
+
+ /* Remove 'br' from the vswitch's list of bridges. */
bridges = xmalloc(sizeof *ovs->bridges * ovs->n_bridges);
for (i = n = 0; i < ovs->n_bridges; i++) {
if (ovs->bridges[i] != br) {
compose_reply(uint32_t seq, int error)
{
struct ofpbuf *reply = ofpbuf_new(4096);
- nl_msg_put_genlmsghdr(reply, brc_sock, 32, brc_family, NLM_F_REQUEST,
+ nl_msg_put_genlmsghdr(reply, 32, brc_family, NLM_F_REQUEST,
BRC_GENL_C_DP_RESULT, 1);
((struct nlmsghdr *) reply->data)->nlmsg_seq = seq;
nl_msg_put_u32(reply, BRC_GENL_A_ERR_CODE, error);
} else {
do {
struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl);
+
if (add) {
+ ovsdb_idl_txn_add_comment(txn, "ovs-brcompatd: add-if %s",
+ port_name);
add_port(ovs, br, port_name);
} else {
- del_port(br, port_name);
+ const struct ovsrec_port *port = find_port(br, port_name);
+ if (port) {
+ ovsdb_idl_txn_add_comment(txn,
+ "ovs-brcompatd: del-if %s",
+ port_name);
+ del_port(br, port);
+ }
}
+
error = commit_txn(txn, true);
VLOG_INFO_RL(&rl, "%s %s %s: %s",
cmd_name, br_name, port_name, strerror(error));
if (!netdev_exists(port_name)) {
/* Network device is really gone. */
struct ovsdb_idl_txn *txn;
+ const struct ovsrec_interface *iface;
+ struct ovsrec_port *port;
struct ovsrec_bridge *br;
VLOG_INFO("network device %s destroyed, "
}
txn = ovsdb_idl_txn_create(idl);
- del_port(br, port_name);
+
+ iface = find_interface(br, port_name, &port);
+ if (iface) {
+ del_interface(br, port, iface);
+ ovsdb_idl_txn_add_comment(txn,
+ "ovs-brcompatd: destroy port %s",
+ port_name);
+ }
+
commit_txn(txn, false);
} else {
/* A network device by that name exists even though the kernel
proctitle_init(argc, argv);
set_program_name(argv[0]);
- time_init();
- vlog_init();
vlog_set_levels(VLM_ANY_MODULE, VLF_CONSOLE, VLL_WARN);
vlog_set_levels(VLM_reconnect, VLF_ANY_FACILITY, VLL_WARN);
*/
if (ovs && prune_timeout) {
rtnl_recv_update(idl, ovs);
-#if 0
- prune_ports();
-#endif
-
nl_sock_wait(rtnl_sock, POLLIN);
poll_timer_wait(prune_timeout);
}