241 struct smc_sock {				/* smc sock container */  struct
253 	struct smc_sock		*listen_smc;	/* listen parent */  argument
254 	struct work_struct	connect_work;	/* handle non-blocking connect*/
255 	struct work_struct	tcp_listen_work;/* handle tcp socket accepts */
256 	struct work_struct	smc_listen_work;/* prepare new accept socket */
257 	struct list_head	accept_q;	/* sockets to be accepted */
258 	spinlock_t		accept_q_lock;	/* protects accept_q */
259 	bool			limit_smc_hs;	/* put constraint on handshake */
260 	bool			use_fallback;	/* fallback to tcp */
261 	int			fallback_rsn;	/* reason for fallback */
262 	u32			peer_diagnosis; /* decline reason from peer */
286 static inline struct smc_sock *smc_sk(const struct sock *sk)  in smc_sk()  argument