rt_timeout_delta
__le32 rt_timeout_delta /* The time remaining, in clock ticks, until the next retransmit timeout. A value of -1 indicates that the retransmit timer was not running when the connection was offloaded. */;
__le32 rt_timeout_delta /* The time remaining, in clock ticks, until the next retransmit timeout. A value of -1 indicates that the retransmit timer was not running when the connection was offloaded. */;