#include "pinsched.h"
#include "pktbuf.h"
#include "poll-loop.h"
+#include "private.h"
#include "rconn.h"
#include "shash.h"
#include "sset.h"
const struct flow *, bool clone);
struct ofproto {
+ char *name; /* Datapath name. */
+ struct hmap_node hmap_node; /* In global 'all_ofprotos' hmap. */
+
/* Settings. */
uint64_t datapath_id; /* Datapath ID. */
uint64_t fallback_dpid; /* Datapath ID if no better choice found. */
};
/* Map from dpif name to struct ofproto, for use by unixctl commands. */
-static struct shash all_ofprotos = SHASH_INITIALIZER(&all_ofprotos);
+static struct hmap all_ofprotos = HMAP_INITIALIZER(&all_ofprotos);
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
ofproto_unixctl_init();
/* Connect to datapath and start listening for messages. */
- error = dpif_open(datapath, datapath_type, &dpif);
+ error = dpif_create_and_open(datapath, datapath_type, &dpif);
if (error) {
VLOG_ERR("failed to open datapath %s: %s", datapath, strerror(error));
return error;
/* Initialize settings. */
p = xzalloc(sizeof *p);
+ p->name = xstrdup(dpif_name(dpif));
+ hmap_insert(&all_ofprotos, &p->hmap_node, hash_string(p->name, 0));
p->fallback_dpid = pick_fallback_dpid();
p->datapath_id = p->fallback_dpid;
p->mfr_desc = xstrdup(DEFAULT_MFR_DESC);
p->datapath_id = pick_datapath_id(p);
VLOG_INFO("using datapath ID %016"PRIx64, p->datapath_id);
- shash_add_once(&all_ofprotos, dpif_name(p->dpif), p);
-
/* Initialize OpenFlow connections. */
p->connmgr = connmgr_create(p, datapath, local_name);
/* Clears the CFM configuration from 'port_no' on 'ofproto'. */
void
-ofproto_iface_clear_cfm(struct ofproto *ofproto, uint32_t port_no)
+ofproto_port_clear_cfm(struct ofproto *ofproto, uint32_t port_no)
{
struct ofport *ofport = get_port(ofproto, port_no);
if (ofport && ofport->cfm){
*
* This function has no effect if 'ofproto' does not have a port 'port_no'. */
void
-ofproto_iface_set_cfm(struct ofproto *ofproto, uint32_t port_no,
- const struct cfm *cfm,
- const uint16_t *remote_mps, size_t n_remote_mps)
+ofproto_port_set_cfm(struct ofproto *ofproto, uint32_t port_no,
+ const struct cfm *cfm,
+ const uint16_t *remote_mps, size_t n_remote_mps)
{
struct ofport *ofport;
ofport = get_port(ofproto, port_no);
if (!ofport) {
VLOG_WARN("%s: cannot configure CFM on nonexistent port %"PRIu32,
- dpif_name(ofproto->dpif), port_no);
+ ofproto->name, port_no);
return;
}
if (!cfm_configure(ofport->cfm)) {
VLOG_WARN("%s: CFM configuration on port %"PRIu32" (%s) failed",
- dpif_name(ofproto->dpif), port_no,
+ ofproto->name, port_no,
netdev_get_name(ofport->netdev));
cfm_destroy(ofport->cfm);
ofport->cfm = NULL;
* 'port_no' or if that port does not have CFM configured. The caller must not
* modify or destroy the returned object. */
const struct cfm *
-ofproto_iface_get_cfm(struct ofproto *ofproto, uint32_t port_no)
+ofproto_port_get_cfm(struct ofproto *ofproto, uint32_t port_no)
{
struct ofport *ofport = get_port(ofproto, port_no);
return ofport ? ofport->cfm : NULL;
connmgr_get_snoops(ofproto->connmgr, snoops);
}
-void
-ofproto_destroy(struct ofproto *p)
+static void
+ofproto_destroy__(struct ofproto *p, bool delete)
{
struct ofport *ofport, *next_ofport;
return;
}
- shash_find_and_delete(&all_ofprotos, dpif_name(p->dpif));
+ hmap_remove(&all_ofprotos, &p->hmap_node);
ofproto_flush_flows__(p);
connmgr_destroy(p->connmgr);
classifier_destroy(&p->cls);
hmap_destroy(&p->facets);
+ if (delete) {
+ int error = dpif_delete(p->dpif);
+ if (error && error != ENOENT) {
+ VLOG_ERR("bridge %s: failed to destroy (%s)",
+ p->name, strerror(error));
+ }
+ }
dpif_close(p->dpif);
+
netdev_monitor_destroy(p->netdev_monitor);
HMAP_FOR_EACH_SAFE (ofport, next_ofport, hmap_node, &p->ports) {
hmap_remove(&p->ports, &ofport->hmap_node);
hmap_destroy(&p->ports);
+ free(p->name);
free(p);
}
+void
+ofproto_destroy(struct ofproto *p)
+{
+ ofproto_destroy__(p, false);
+}
+
+void
+ofproto_destroy_and_delete(struct ofproto *p)
+{
+ ofproto_destroy__(p, true);
+}
+
int
ofproto_run(struct ofproto *p)
{
* spin from here on out. */
static struct vlog_rate_limit rl2 = VLOG_RATE_LIMIT_INIT(1, 5);
VLOG_ERR_RL(&rl2, "%s: datapath was destroyed externally",
- dpif_name(p->dpif));
+ p->name);
return ENODEV;
}
break;
shash_destroy(info);
}
-/* Deletes port number 'odp_port' from the datapath for 'ofproto'.
+/* Makes a deep copy of 'old' into 'port'. */
+void
+ofproto_port_clone(struct ofproto_port *port, const struct ofproto_port *old)
+{
+ port->name = xstrdup(old->name);
+ port->type = xstrdup(old->type);
+ port->ofp_port = old->ofp_port;
+}
+
+/* Frees memory allocated to members of 'ofproto_port'.
+ *
+ * Do not call this function on an ofproto_port obtained from
+ * ofproto_port_dump_next(): that function retains ownership of the data in the
+ * ofproto_port. */
+void
+ofproto_port_destroy(struct ofproto_port *ofproto_port)
+{
+ free(ofproto_port->name);
+ free(ofproto_port->type);
+}
+
+/* Converts a dpif_port into an ofproto_port.
+ *
+ * This only makes a shallow copy, so make sure that the dpif_port doesn't get
+ * freed while the ofproto_port is still in use. You can choose to free the
+ * ofproto_port instead of the dpif_port. */
+static void
+ofproto_port_from_dpif_port(struct ofproto_port *ofproto_port,
+ struct dpif_port *dpif_port)
+{
+ ofproto_port->name = dpif_port->name;
+ ofproto_port->type = dpif_port->type;
+ ofproto_port->ofp_port = odp_port_to_ofp_port(dpif_port->port_no);
+}
+
+/* Initializes 'dump' to begin dumping the ports in an ofproto.
+ *
+ * This function provides no status indication. An error status for the entire
+ * dump operation is provided when it is completed by calling
+ * ofproto_port_dump_done().
+ */
+void
+ofproto_port_dump_start(struct ofproto_port_dump *dump,
+ const struct ofproto *ofproto)
+{
+ struct dpif_port_dump *dpif_dump;
+
+ dump->state = dpif_dump = xmalloc(sizeof *dpif_dump);
+ dpif_port_dump_start(dpif_dump, ofproto->dpif);
+}
+
+/* Attempts to retrieve another port from 'dump', which must have been created
+ * with ofproto_port_dump_start(). On success, stores a new ofproto_port into
+ * 'port' and returns true. On failure, returns false.
+ *
+ * Failure might indicate an actual error or merely that the last port has been
+ * dumped. An error status for the entire dump operation is provided when it
+ * is completed by calling ofproto_port_dump_done().
+ *
+ * The ofproto owns the data stored in 'port'. It will remain valid until at
+ * least the next time 'dump' is passed to ofproto_port_dump_next() or
+ * ofproto_port_dump_done(). */
+bool
+ofproto_port_dump_next(struct ofproto_port_dump *dump,
+ struct ofproto_port *port)
+{
+ struct dpif_port_dump *dpif_dump = dump->state;
+ struct dpif_port dpif_port;
+ bool ok;
+
+ ok = dpif_port_dump_next(dpif_dump, &dpif_port);
+ if (ok) {
+ ofproto_port_from_dpif_port(port, &dpif_port);
+ }
+ return ok;
+}
+
+/* Completes port table dump operation 'dump', which must have been created
+ * with ofproto_port_dump_start(). Returns 0 if the dump operation was
+ * error-free, otherwise a positive errno value describing the problem. */
+int
+ofproto_port_dump_done(struct ofproto_port_dump *dump)
+{
+ struct dpif_port_dump *dpif_dump = dump->state;
+ int error = dpif_port_dump_done(dpif_dump);
+ free(dpif_dump);
+ return error;
+}
+
+/* Attempts to add 'netdev' as a port on 'ofproto'. If successful, returns 0
+ * and sets '*ofp_portp' to the new port's port OpenFlow number (if 'ofp_portp'
+ * is non-null). On failure, returns a positive errno value and sets
+ * '*ofp_portp' to OFPP_NONE (if 'ofp_portp' is non-null). */
+int
+ofproto_port_add(struct ofproto *ofproto, struct netdev *netdev,
+ uint16_t *ofp_portp)
+{
+ uint16_t odp_port;
+ int error;
+
+ error = dpif_port_add(ofproto->dpif, netdev, &odp_port);
+ if (ofp_portp) {
+ *ofp_portp = error ? OFPP_NONE : odp_port_to_ofp_port(odp_port);
+ }
+ return error;
+}
+
+/* Looks up a port named 'devname' in 'ofproto'. On success, returns 0 and
+ * initializes '*port' appropriately; on failure, returns a positive errno
+ * value.
+ *
+ * The caller owns the data in 'port' and must free it with
+ * ofproto_port_destroy() when it is no longer needed. */
+int
+ofproto_port_query_by_name(const struct ofproto *ofproto, const char *devname,
+ struct ofproto_port *port)
+{
+ struct dpif_port dpif_port;
+ int error;
+
+ error = dpif_port_query_by_name(ofproto->dpif, devname, &dpif_port);
+ if (!error) {
+ ofproto_port_from_dpif_port(port, &dpif_port);
+ }
+ return error;
+}
+
+/* Deletes port number 'ofp_port' from the datapath for 'ofproto'.
*
* This is almost the same as calling dpif_port_del() directly on the
* datapath, but it also makes 'ofproto' close its open netdev for the port
*
* Returns 0 if successful, otherwise a positive errno. */
int
-ofproto_port_del(struct ofproto *ofproto, uint16_t odp_port)
+ofproto_port_del(struct ofproto *ofproto, uint16_t ofp_port)
{
+ uint32_t odp_port = ofp_port_to_odp_port(ofp_port);
struct ofport *ofport = get_port(ofproto, odp_port);
const char *name = ofport ? netdev_get_name(ofport->netdev) : "<unknown>";
int error;
error = dpif_port_del(ofproto->dpif, odp_port);
if (error) {
VLOG_ERR("%s: failed to remove port %"PRIu16" (%s) interface (%s)",
- dpif_name(ofproto->dpif), odp_port, name, strerror(error));
+ ofproto->name, odp_port, name, strerror(error));
} else if (ofport) {
/* 'name' is the netdev's name and update_port() is going to close the
* netdev. Just in case update_port() refers to 'name' after it
if (error) {
VLOG_WARN_RL(&rl, "%s: failed to send packet on port %"PRIu32" (%s)",
- dpif_name(ofproto->dpif), port_no, strerror(error));
+ ofproto->name, port_no, strerror(error));
}
return error;
}
}
}
+/* Obtains the NetFlow engine type and engine ID for 'ofproto' into
+ * '*engine_type' and '*engine_id', respectively. */
+void
+ofproto_get_netflow_ids(const struct ofproto *ofproto,
+ uint8_t *engine_type, uint8_t *engine_id)
+{
+ dpif_get_netflow_ids(ofproto->dpif, engine_type, engine_id);
+}
+
static void
query_aggregate_stats(struct ofproto *ofproto, struct cls_rule *target,
ovs_be16 out_port, uint8_t table_id,
ds_put_format(&s, " %d:%d", i * BUCKET_WIDTH, buckets[i]);
}
}
- VLOG_INFO("%s: %s (msec:count)",
- dpif_name(ofproto->dpif), ds_cstr(&s));
+ VLOG_INFO("%s: %s (msec:count)", ofproto->name, ds_cstr(&s));
ds_destroy(&s);
}
return eth_addr_to_uint64(ea);
}
\f
+static struct ofproto *
+ofproto_lookup(const char *name)
+{
+ struct ofproto *ofproto;
+
+ HMAP_FOR_EACH_WITH_HASH (ofproto, hmap_node, hash_string(name, 0),
+ &all_ofprotos) {
+ if (!strcmp(ofproto->name, name)) {
+ return ofproto;
+ }
+ }
+ return NULL;
+}
+
static void
ofproto_unixctl_list(struct unixctl_conn *conn, const char *arg OVS_UNUSED,
void *aux OVS_UNUSED)
{
- const struct shash_node *node;
+ struct ofproto *ofproto;
struct ds results;
ds_init(&results);
- SHASH_FOR_EACH (node, &all_ofprotos) {
- ds_put_format(&results, "%s\n", node->name);
+ HMAP_FOR_EACH (ofproto, hmap_node, &all_ofprotos) {
+ ds_put_format(&results, "%s\n", ofproto->name);
}
unixctl_command_reply(conn, 200, ds_cstr(&results));
ds_destroy(&results);
goto exit;
}
- ofproto = shash_find_data(&all_ofprotos, dpname);
+ ofproto = ofproto_lookup(dpname);
if (!ofproto) {
unixctl_command_reply(conn, 501, "Unknown ofproto (use ofproto/list "
"for help)");
projects / openvswitch / blobdiff