vhost_net: basic polling support
This patch tries to poll for new added tx buffer or socket receive
queue for a while at the end of tx/rx processing. The maximum time
spent on polling were specified through a new kind of vring ioctl.
Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index af5af77..d36d8be 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -115,6 +115,7 @@
/* Ring endianness requested by userspace for cross-endian support. */
bool user_be;
#endif
+ u32 busyloop_timeout;
};
struct vhost_dev {
