Future patches will need to add netdevs to the dummy datapath which
can't actually send or receive packets.
Signed-off-by: Ethan Jackson <et...@nicira.com>
---
lib/dpif-netdev.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 682dfc9..d042ef9 100644
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -181,11 +181,17 @@ dpif_netdev_enumerate(struct sset *all_dps)
return 0;
}
+static bool
+dpif_netdev_class_is_dummy(const struct dpif_class *class)
+{
+ return class != &dpif_netdev_class;
+}
+
static const char *
dpif_netdev_port_open_type(const struct dpif_class *class, const char *type)
{
return strcmp(type, "internal") ? type
- : class != &dpif_netdev_class ? "dummy"
+ : dpif_netdev_class_is_dummy(class) ? "dummy"
: "tap";
}
@@ -386,7 +392,8 @@ do_add_port(struct dp_netdev *dp, const char *devname,
const char *type,
/* XXX reject non-Ethernet devices */
error = netdev_listen(netdev);
- if (error) {
+ if (error
+ && (!dpif_netdev_class_is_dummy(dp->class) || error != EOPNOTSUPP)) {
VLOG_ERR("%s: cannot receive packets on this network device (%s)",
devname, strerror(errno));
netdev_close(netdev);
--
1.7.9.5
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