#include <unistd.h>
#include "csum.h"
+#include "dpif.h"
#include "dpif-provider.h"
+#include "dummy.h"
#include "flow.h"
#include "hmap.h"
#include "list.h"
/* Datapath based on the network device interface from netdev.h. */
struct dp_netdev {
+ const struct dpif_class *class;
char *name;
int open_cnt;
bool destroyed;
int port_no; /* Index into dp_netdev's 'ports'. */
struct list node; /* Element in dp_netdev's 'port_list'. */
struct netdev *netdev;
- bool internal; /* Internal port (as ODP_PORT_INTERNAL)? */
+ bool internal; /* Internal port? */
};
/* A flow in dp_netdev's 'flow_table'. */
struct dp_netdev_port **portp);
static void dp_netdev_free(struct dp_netdev *);
static void dp_netdev_flow_flush(struct dp_netdev *);
-static int do_add_port(struct dp_netdev *, const char *devname, uint16_t flags,
- uint16_t port_no);
+static int do_add_port(struct dp_netdev *, const char *devname,
+ const char *type, uint16_t port_no);
static int do_del_port(struct dp_netdev *, uint16_t port_no);
+static int dpif_netdev_open(const struct dpif_class *, const char *name,
+ bool create, struct dpif **);
static int dp_netdev_output_control(struct dp_netdev *, const struct ofpbuf *,
int queue_no, int port_no, uint32_t arg);
static int dp_netdev_execute_actions(struct dp_netdev *,
struct ofpbuf *, struct flow *,
const union odp_action *, int n);
+static struct dpif_class dpif_dummy_class;
+
static struct dpif_netdev *
dpif_netdev_cast(const struct dpif *dpif)
{
- dpif_assert_class(dpif, &dpif_netdev_class);
+ assert(dpif->dpif_class->open == dpif_netdev_open);
return CONTAINER_OF(dpif, struct dpif_netdev, dpif);
}
dp->open_cnt++;
dpif = xmalloc(sizeof *dpif);
- dpif_init(&dpif->dpif, &dpif_netdev_class, dp->name,
- netflow_id >> 8, netflow_id);
+ dpif_init(&dpif->dpif, dp->class, dp->name, netflow_id >> 8, netflow_id);
dpif->dp = dp;
dpif->listen_mask = 0;
dpif->dp_serial = dp->serial;
}
static int
-create_dp_netdev(const char *name, struct dp_netdev **dpp)
+create_dp_netdev(const char *name, const struct dpif_class *class,
+ struct dp_netdev **dpp)
{
struct dp_netdev *dp;
int error;
int i;
dp = xzalloc(sizeof *dp);
+ dp->class = class;
dp->name = xstrdup(name);
dp->open_cnt = 0;
dp->drop_frags = false;
}
hmap_init(&dp->flow_table);
list_init(&dp->port_list);
- error = do_add_port(dp, name, ODP_PORT_INTERNAL, ODPP_LOCAL);
+ error = do_add_port(dp, name, "internal", ODPP_LOCAL);
if (error) {
dp_netdev_free(dp);
return error;
}
static int
-dpif_netdev_open(const struct dpif_class *class OVS_UNUSED, const char *name,
+dpif_netdev_open(const struct dpif_class *class, const char *name,
bool create, struct dpif **dpifp)
{
struct dp_netdev *dp;
if (!create) {
return ENODEV;
} else {
- int error = create_dp_netdev(name, &dp);
+ int error = create_dp_netdev(name, class, &dp);
if (error) {
return error;
}
assert(dp != NULL);
}
} else {
- if (create) {
+ if (dp->class != class) {
+ return EINVAL;
+ } else if (create) {
return EEXIST;
}
}
}
static int
-do_add_port(struct dp_netdev *dp, const char *devname, uint16_t flags,
+do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
uint16_t port_no)
{
- bool internal = (flags & ODP_PORT_INTERNAL) != 0;
struct dp_netdev_port *port;
struct netdev_options netdev_options;
struct netdev *netdev;
+ bool internal;
int mtu;
int error;
/* XXX reject devices already in some dp_netdev. */
+ if (type[0] == '\0' || !strcmp(type, "system")) {
+ internal = false;
+ } else if (!strcmp(type, "internal")) {
+ internal = true;
+ } else {
+ VLOG_WARN("%s: unsupported port type %s", devname, type);
+ return EINVAL;
+ }
/* Open and validate network device. */
memset(&netdev_options, 0, sizeof netdev_options);
netdev_options.name = devname;
netdev_options.ethertype = NETDEV_ETH_TYPE_ANY;
- if (internal) {
+ if (dp->class == &dpif_dummy_class) {
+ netdev_options.type = "dummy";
+ } else if (internal) {
netdev_options.type = "tap";
}
}
static int
-dpif_netdev_port_add(struct dpif *dpif, const char *devname, uint16_t flags,
+dpif_netdev_port_add(struct dpif *dpif, struct netdev *netdev,
uint16_t *port_nop)
{
struct dp_netdev *dp = get_dp_netdev(dpif);
for (port_no = 0; port_no < MAX_PORTS; port_no++) {
if (!dp->ports[port_no]) {
*port_nop = port_no;
- return do_add_port(dp, devname, flags, port_no);
+ return do_add_port(dp, netdev_get_name(netdev),
+ netdev_get_type(netdev), port_no);
}
}
return EFBIG;
ovs_strlcpy(odp_port->devname, netdev_get_name(port->netdev),
sizeof odp_port->devname);
odp_port->port = port->port_no;
- odp_port->flags = port->internal ? ODP_PORT_INTERNAL : 0;
+ strcpy(odp_port->type, port->internal ? "internal" : "system");
}
static int
dpif_netdev_recv,
dpif_netdev_recv_wait,
};
+
+void
+dpif_dummy_register(void)
+{
+ if (!dpif_dummy_class.type) {
+ dpif_dummy_class = dpif_netdev_class;
+ dpif_dummy_class.type = "dummy";
+ dp_register_provider(&dpif_dummy_class);
+ }
+}