scsi: qla2xxx: Make it explicit that ELS pass-through IOCBs use little endian

According to the firmware documentation the firmware expects all ELS
pass-through IOCB parameters in little endian format. Make this explicit.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

2 files changed, 8 insertions, 7 deletions

diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index df079a8c2b33..732bb871c433 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -761,13 +761,13 @@ struct els_entry_24xx {
 #define ECF_CLR_PASSTHRU_PEND   BIT_12
 #define ECF_INCL_FRAME_HDR      BIT_11
 
-        uint32_t rx_byte_count;
-        uint32_t tx_byte_count;
+        __le32   rx_byte_count;
+        __le32   tx_byte_count;
 
         __le64   tx_address __packed;   /* Data segment 0 address. */
-        uint32_t tx_len;                /* Data segment 0 length. */
+        __le32   tx_len;                /* Data segment 0 length. */
         __le64   rx_address __packed;   /* Data segment 1 address. */
-        uint32_t rx_len;                /* Data segment 1 length. */
+        __le32   rx_len;                /* Data segment 1 length. */
 };
 
 struct els_sts_entry_24xx {
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 6b120254f414..c7b91827c1e7 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2704,12 +2704,12 @@ qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
 
         if (elsio->u.els_logo.els_cmd == ELS_DCMD_PLOGI) {
                 els_iocb->tx_byte_count = els_iocb->tx_len =
-                        sizeof(struct els_plogi_payload);
+                        cpu_to_le32(sizeof(struct els_plogi_payload));
                 put_unaligned_le64(elsio->u.els_plogi.els_plogi_pyld_dma,
                                    &els_iocb->tx_address);
                 els_iocb->rx_dsd_count = 1;
                 els_iocb->rx_byte_count = els_iocb->rx_len =
-                        sizeof(struct els_plogi_payload);
+                        cpu_to_le32(sizeof(struct els_plogi_payload));
                 put_unaligned_le64(elsio->u.els_plogi.els_resp_pyld_dma,
                                    &els_iocb->rx_address);
 
@@ -2718,7 +2718,8 @@ qla24xx_els_logo_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
                 ql_dump_buffer(ql_log_info, vha, 0x0109,
                     (uint8_t *)els_iocb, 0x70);
         } else {
-                els_iocb->tx_byte_count = sizeof(struct els_logo_payload);
+                els_iocb->tx_byte_count =
+                        cpu_to_le32(sizeof(struct els_logo_payload));
                 put_unaligned_le64(elsio->u.els_logo.els_logo_pyld_dma,
                                    &els_iocb->tx_address);
                 els_iocb->tx_len = cpu_to_le32(sizeof(struct els_logo_payload));