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Diffstat (limited to 'drivers/scsi/iscsi_tcp.h')
-rw-r--r--drivers/scsi/iscsi_tcp.h13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h
index f1c54115110..eb3784f949f 100644
--- a/drivers/scsi/iscsi_tcp.h
+++ b/drivers/scsi/iscsi_tcp.h
@@ -41,7 +41,6 @@
#define XMSTATE_IMM_HDR_INIT 0x1000
#define XMSTATE_SOL_HDR_INIT 0x2000
-#define ISCSI_PAD_LEN 4
#define ISCSI_SG_TABLESIZE SG_ALL
#define ISCSI_TCP_MAX_CMD_LEN 16
@@ -130,14 +129,14 @@ struct iscsi_buf {
struct iscsi_data_task {
struct iscsi_data hdr; /* PDU */
- char hdrext[sizeof(__u32)]; /* Header-Digest */
+ char hdrext[ISCSI_DIGEST_SIZE];/* Header-Digest */
struct iscsi_buf digestbuf; /* digest buffer */
uint32_t digest; /* data digest */
};
struct iscsi_tcp_mgmt_task {
struct iscsi_hdr hdr;
- char hdrext[sizeof(__u32)]; /* Header-Digest */
+ char hdrext[ISCSI_DIGEST_SIZE]; /* Header-Digest */
int xmstate; /* mgmt xmit progress */
struct iscsi_buf headbuf; /* header buffer */
struct iscsi_buf sendbuf; /* in progress buffer */
@@ -159,9 +158,11 @@ struct iscsi_r2t_info {
};
struct iscsi_tcp_cmd_task {
- struct iscsi_cmd hdr;
- char hdrext[4*sizeof(__u16)+ /* AHS */
- sizeof(__u32)]; /* HeaderDigest */
+ struct iscsi_hdr_buff {
+ struct iscsi_cmd cmd_hdr;
+ char hdrextbuf[ISCSI_MAX_AHS_SIZE +
+ ISCSI_DIGEST_SIZE];
+ } hdr;
char pad[ISCSI_PAD_LEN];
int pad_count; /* padded bytes */
struct iscsi_buf headbuf; /* header buf (xmit) */