scsi: qla2xxx: edif: Increase ELS payload

Currently, firmware limits ELS payload to FC frame size/2112.  This patch
adjusts memory buffer size to be able to handle max ELS payload.

Link: https://lore.kernel.org/r/20211026115412.27691-11-njavali@marvell.com
Fixes: 84318a9f01ce ("scsi: qla2xxx: edif: Add send, receive, and accept for auth_els")
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c
index af739d2..e6ff24b 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_edif.c
+++ b/drivers/scsi/qla2xxx/qla_edif.c
@@ -2370,7 +2370,7 @@ void qla24xx_auth_els(scsi_qla_host_t *vha, void **pkt, struct rsp_que **rsp)
                return;
        }
 
-       if (totlen > MAX_PAYLOAD) {
+       if (totlen > ELS_MAX_PAYLOAD) {
                ql_dbg(ql_dbg_edif, vha, 0x0910d,
                    "%s WARNING: verbose ELS frame received (totlen=%x)\n",
                    __func__, totlen);

diff --git a/drivers/scsi/qla2xxx/qla_edif.h b/drivers/scsi/qla2xxx/qla_edif.h
index 920b1ea..2517005 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_edif.h
+++ b/drivers/scsi/qla2xxx/qla_edif.h
@@ -93,7 +93,6 @@ struct sa_update_28xx {
 };
 
 #define        NUM_ENTRIES     256
-#define        MAX_PAYLOAD     1024
 #define        PUR_GET         1
 
 struct dinfo {
@@ -127,6 +126,8 @@ struct enode {
        } u;
 };
 
+#define RX_ELS_SIZE (roundup(sizeof(struct enode) + ELS_MAX_PAYLOAD, SMP_CACHE_BYTES))
+
 #define EDIF_SESSION_DOWN(_s) \
        (qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \
         _s->disc_state == DSC_DELETED || \

diff --git a/drivers/scsi/qla2xxx/qla_edif_bsg.h b/drivers/scsi/qla2xxx/qla_edif_bsg.h
index 58b718d..53026d8 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_edif_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_edif_bsg.h
@@ -8,7 +8,7 @@
 #define __QLA_EDIF_BSG_H
 
 /* BSG Vendor specific commands */
-#define        ELS_MAX_PAYLOAD         1024
+#define        ELS_MAX_PAYLOAD         2112
 #ifndef        WWN_SIZE
 #define WWN_SIZE               8
 #endif

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ba589dd..3a3370f 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -4486,6 +4486,10 @@ qla2x00_init_rings(scsi_qla_host_t *vha)
                    (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
        }
 
+       /* ELS pass through payload is limit by frame size. */
+       if (ha->flags.edif_enabled)
+               mid_init_cb->init_cb.frame_payload_size = cpu_to_le16(ELS_MAX_PAYLOAD);
+
        rval = qla2x00_init_firmware(vha, ha->init_cb_size);
 next_check:
        if (rval) {

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 33427a8..e8e9311 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4352,7 +4352,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 
        /* allocate the purex dma pool */
        ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
-           MAX_PAYLOAD, 8, 0);
+           ELS_MAX_PAYLOAD, 8, 0);
 
        if (!ha->purex_dma_pool) {
                ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,