size_t actions_len; /* Length of 'actions' in bytes. */
bool needs_help;
bool probe; /* Suppress error messages. */
+ unsigned int mtu; /* Maximum transmission unit to fragment.
+ 0 if not a fragmented packet */
/* Input, but possibly modified as a side effect of execution. */
struct dp_packet *packet; /* Packet to execute. */
struct nlattr *key; /* Flow key. */
size_t key_len; /* Length of 'key' in bytes. */
ovs_u128 ufid; /* Unique flow identifier for 'key'. */
+ struct nlattr *mru; /* Maximum receive unit. */
/* DPIF_UC_ACTION only. */
struct nlattr *userdata; /* Argument to OVS_ACTION_ATTR_USERSPACE. */