diff options
Diffstat (limited to 'drivers/infiniband/ulp/isert')
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.h | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index b7df38ee8ae0..49f5f053c7b2 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -119,7 +119,7 @@ isert_create_qp(struct isert_conn *isert_conn, { struct isert_device *device = isert_conn->device; struct ib_qp_init_attr attr; - int ret; + int ret, factor; memset(&attr, 0, sizeof(struct ib_qp_init_attr)); attr.event_handler = isert_qp_event_callback; @@ -128,7 +128,9 @@ isert_create_qp(struct isert_conn *isert_conn, attr.recv_cq = comp->cq; attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS + 1; attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1; - attr.cap.max_rdma_ctxs = ISCSI_DEF_XMIT_CMDS_MAX; + factor = rdma_rw_mr_factor(device->ib_device, cma_id->port_num, + ISCSI_ISER_MAX_SG_TABLESIZE); + attr.cap.max_rdma_ctxs = ISCSI_DEF_XMIT_CMDS_MAX * factor; attr.cap.max_send_sge = device->ib_device->attrs.max_send_sge; attr.cap.max_recv_sge = 1; attr.sq_sig_type = IB_SIGNAL_REQ_WR; diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 3b296bac4f60..c9ccf1d87833 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -63,7 +63,8 @@ (ISER_RX_PAYLOAD_SIZE + sizeof(u64) + sizeof(struct ib_sge) + \ sizeof(struct ib_cqe) + sizeof(bool))) -#define ISCSI_ISER_SG_TABLESIZE 256 +/* Maximum support is 16MB I/O size */ +#define ISCSI_ISER_MAX_SG_TABLESIZE 4096 enum isert_desc_type { ISCSI_TX_CONTROL, |