datapath: Remove tunnel path MTU discovery support.

[sliver-openvswitch.git] / include / openvswitch / tunnel.h

diff --git a/include/openvswitch/tunnel.h b/include/openvswitch/tunnel.h
index 8a53ef8..d9f92d5 100644 (file)
--- a/include/openvswitch/tunnel.h
+++ b/include/openvswitch/tunnel.h
@@ -67,11 +67,11 @@ enum {
 #define TNL_F_CSUM             (1 << 0) /* Checksum packets. */
 #define TNL_F_TOS_INHERIT      (1 << 1) /* Inherit ToS from inner packet. */
 #define TNL_F_TTL_INHERIT      (1 << 2) /* Inherit TTL from inner packet. */
-#define TNL_F_DF_INHERIT       (1 << 3) /* Inherit DF bit from inner packet. */
+/* Bit 3 was previously used for Don't Fragment inheritance. " */
 #define TNL_F_DF_DEFAULT       (1 << 4) /* Set DF bit if inherit off or
                                          * not IP. */
+/* Bit 5 was previously used for path MTU discovery. " */
 /* Bit 6 is reserved since it was previously used for Tunnel header caching. */
-#define TNL_F_PMTUD            (1 << 5) /* Enable path MTU discovery. */
 #define TNL_F_IPSEC            (1 << 7) /* Traffic is IPsec encrypted. */
 
 #endif /* openvswitch/tunnel.h */