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/* From iscsi_iser.h */
struct iser_hdr {
u8 flags;
u8 rsvd[3];
__be32 write_stag; /* write rkey */
__be64 write_va;
__be32 read_stag; /* read rkey */
__be64 read_va;
} __packed;
/*Constant PDU lengths calculations */
#define ISER_HEADERS_LEN (sizeof(struct iser_hdr) + sizeof(struct iscsi_hdr))
#define ISER_RECV_DATA_SEG_LEN 8192
#define ISER_RX_PAYLOAD_SIZE (ISER_HEADERS_LEN + ISER_RECV_DATA_SEG_LEN)
#define ISER_RX_LOGIN_SIZE (ISER_HEADERS_LEN + ISCSI_DEF_MAX_RECV_SEG_LEN)
/* QP settings */
/* Maximal bounds on received asynchronous PDUs */
#define ISERT_MAX_TX_MISC_PDUS 4 /* NOOP_IN(2) , ASYNC_EVENT(2) */
#define ISERT_MAX_RX_MISC_PDUS 6 /* NOOP_OUT(2), TEXT(1), *
* SCSI_TMFUNC(2), LOGOUT(1) */
#define ISCSI_DEF_XMIT_CMDS_MAX 128 /* from libiscsi.h, must be power of 2 */
#define ISERT_QP_MAX_RECV_DTOS (ISCSI_DEF_XMIT_CMDS_MAX)
#define ISERT_MIN_POSTED_RX (ISCSI_DEF_XMIT_CMDS_MAX >> 2)
#define ISERT_INFLIGHT_DATAOUTS 8
#define ISERT_QP_MAX_REQ_DTOS (ISCSI_DEF_XMIT_CMDS_MAX * \
(1 + ISERT_INFLIGHT_DATAOUTS) + \
ISERT_MAX_TX_MISC_PDUS + \
ISERT_MAX_RX_MISC_PDUS)
#define ISER_RX_PAD_SIZE (ISER_RECV_DATA_SEG_LEN + 4096 - \
(ISER_RX_PAYLOAD_SIZE + sizeof(u64) + sizeof(struct ib_sge)))
#define ISER_VER 0x10
#define ISER_WSV 0x08
#define ISER_RSV 0x04
#define ISCSI_CTRL 0x10
#define ISER_HELLO 0x20
#define ISER_HELLORPLY 0x30
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