ofproto-dpif-upcall: Increase upcall stub size.

The existing upcall stub size is not large enough even for the
smallest miss upcalls.

Signed-off-by: Ethan Jackson <ethan@nicira.com>
Reported-by: Guolin Yang <gyang@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/ofproto/ofproto-dpif-upcall.h b/ofproto/ofproto-dpif-upcall.h
index f74206031..f597672b9 100644
--- a/ofproto/ofproto-dpif-upcall.h
+++ b/ofproto/ofproto-dpif-upcall.h
@@ -66,7 +66,7 @@ struct upcall {
     /* Raw upcall plus data for keeping track of the memory backing it. */
     struct dpif_upcall dpif_upcall; /* As returned by dpif_recv() */
     struct ofpbuf upcall_buf;       /* Owns some data in 'dpif_upcall'. */
-    uint64_t upcall_stub[256 / 8];  /* Buffer to reduce need for malloc(). */
+    uint64_t upcall_stub[512 / 8];  /* Buffer to reduce need for malloc(). */
 };
 
 struct upcall *upcall_next(struct udpif *);