spinlock_t lock_new_credits_offered; int new_credits_offered;
/* dynamic connection parameters defined in [MS-SMBD] 3.1.1.1 */ enum keep_alive_status keep_alive_requested; int protocol;
atomic_t send_credits;
atomic_t receive_credits;
u16 receive_credit_target;
/* Memory registrations */ /* Maximum number of RDMA read/write outstanding on this connection */ bool legacy_iwarp;
u8 initiator_depth;
u8 responder_resources; /* Maximum number of pages in a single RDMA write/read on this connection */ int max_frmr_depth; /* *Ifpayloadislessthanorequaltothethreshold, *useRDMAsend/recvtosendupperlayerI/O. *Ifpayloadismorethanthethreshold, *useRDMAread/writethroughmemoryregistrationforI/O.
*/ int rdma_readwrite_threshold; enum ib_mr_type mr_type; struct list_head mr_list;
spinlock_t mr_list_lock; /* The number of available MRs ready for memory registration */
atomic_t mr_ready_count;
atomic_t mr_used_count;
wait_queue_head_t wait_mr; struct work_struct mr_recovery_work; /* Used by transport to wait until all MRs are returned */
wait_queue_head_t wait_for_mr_cleanup;
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