DHCP: Support jumbo frames

Also important as we now need to store the frame header in the
initial buffer.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/if.h b/src/if.h
index 2f147f1d..e24a77a3 100644
--- a/src/if.h
+++ b/src/if.h
@@ -90,6 +90,10 @@ typedef unsigned long		ioctl_request_t;
 #  define ARPHRD_INFINIBAND		32
 #endif
 
+/* Maximum frame length.
+ * Support jumbo frames and some extra. */
+#define	FRAMELEN_MAX			10240
+
 /* Work out if we have a private address or not
  * 10/8
  * 172.16/12