diff options
Diffstat (limited to 'drivers/scsi/iscsi_tcp.h')
| -rw-r--r-- | drivers/scsi/iscsi_tcp.h | 44 |
1 files changed, 18 insertions, 26 deletions
diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h index 6a4ee704e46e..32736831790e 100644 --- a/drivers/scsi/iscsi_tcp.h +++ b/drivers/scsi/iscsi_tcp.h @@ -31,26 +31,25 @@ #define IN_PROGRESS_DDIGEST_RECV 0x3 /* xmit state machine */ -#define XMSTATE_IDLE 0x0 -#define XMSTATE_R_HDR 0x1 -#define XMSTATE_W_HDR 0x2 -#define XMSTATE_IMM_HDR 0x4 -#define XMSTATE_IMM_DATA 0x8 -#define XMSTATE_UNS_INIT 0x10 -#define XMSTATE_UNS_HDR 0x20 -#define XMSTATE_UNS_DATA 0x40 -#define XMSTATE_SOL_HDR 0x80 -#define XMSTATE_SOL_DATA 0x100 -#define XMSTATE_W_PAD 0x200 -#define XMSTATE_DATA_DIGEST 0x400 - -#define ISCSI_CONN_RCVBUF_MIN 262144 -#define ISCSI_CONN_SNDBUF_MIN 262144 +#define XMSTATE_IDLE 0x0 +#define XMSTATE_R_HDR 0x1 +#define XMSTATE_W_HDR 0x2 +#define XMSTATE_IMM_HDR 0x4 +#define XMSTATE_IMM_DATA 0x8 +#define XMSTATE_UNS_INIT 0x10 +#define XMSTATE_UNS_HDR 0x20 +#define XMSTATE_UNS_DATA 0x40 +#define XMSTATE_SOL_HDR 0x80 +#define XMSTATE_SOL_DATA 0x100 +#define XMSTATE_W_PAD 0x200 +#define XMSTATE_W_RESEND_PAD 0x400 +#define XMSTATE_W_RESEND_DATA_DIGEST 0x800 + #define ISCSI_PAD_LEN 4 -#define ISCSI_R2T_MAX 16 #define ISCSI_SG_TABLESIZE SG_ALL #define ISCSI_TCP_MAX_CMD_LEN 16 +struct crypto_hash; struct socket; /* Socket connection recieve helper */ @@ -84,9 +83,6 @@ struct iscsi_tcp_conn { /* iSCSI connection-wide sequencing */ int hdr_size; /* PDU header size */ - struct crypto_tfm *rx_tfm; /* CRC32C (Rx) */ - struct crypto_tfm *data_rx_tfm; /* CRC32C (Rx) for data */ - /* control data */ struct iscsi_tcp_recv in; /* TCP receive context */ int in_progress; /* connection state machine */ @@ -96,9 +92,9 @@ struct iscsi_tcp_conn { void (*old_state_change)(struct sock *); void (*old_write_space)(struct sock *); - /* xmit */ - struct crypto_tfm *tx_tfm; /* CRC32C (Tx) */ - struct crypto_tfm *data_tx_tfm; /* CRC32C (Tx) for data */ + /* data and header digests */ + struct hash_desc tx_hash; /* CRC32C (Tx) */ + struct hash_desc rx_hash; /* CRC32C (Rx) */ /* MIB custom statistics */ uint32_t sendpage_failures_cnt; @@ -157,19 +153,15 @@ struct iscsi_tcp_cmd_task { struct scatterlist *bad_sg; /* assert statement */ int sg_count; /* SG's to process */ uint32_t exp_r2tsn; - int r2t_data_count; /* R2T Data-Out bytes */ int data_offset; struct iscsi_r2t_info *r2t; /* in progress R2T */ struct iscsi_queue r2tpool; struct kfifo *r2tqueue; struct iscsi_r2t_info **r2ts; - uint32_t datadigest; /* for recover digest */ int digest_count; uint32_t immdigest; /* for imm data */ struct iscsi_buf immbuf; /* for imm data digest */ - struct iscsi_data_task *dtask; /* data task in progress*/ struct iscsi_data_task unsol_dtask; /* unsol data task */ - int digest_offset; /* for partial buff digest */ }; #endif /* ISCSI_H */ |