emx: Increase spare TX descriprors to 33 incorporate TSO segment

diff --git a/sys/dev/netif/emx/if_emx.h b/sys/dev/netif/emx/if_emx.h
index a250210..b94013e 100644 (file)
--- a/sys/dev/netif/emx/if_emx.h
+++ b/sys/dev/netif/emx/if_emx.h
@@ -91,8 +91,8 @@
 /* One for TX csum offloading desc, the other 2 are reserved */
 #define EMX_TX_RESERVED                        3
 
-/* Large enough for 16K jumbo frame */
-#define EMX_TX_SPARE                   8
+/* Large enough for 64K TSO segment */
+#define EMX_TX_SPARE                   33
 
 #define EMX_TX_OACTIVE_MAX             64