/** Delegate fifo-tuning-logic to application */
int (*fifo_tuning_callback) (session_t * s, svm_fifo_t * f,
session_ft_action_t act, u32 bytes);
/** Delegate fifo-tuning-logic to application */
int (*fifo_tuning_callback) (session_t * s, svm_fifo_t * f,
session_ft_action_t act, u32 bytes);