The driver now exposes sufficient limits so we can
avoid having mlx4 specific work-around.
Signed-off-by: Sagi Grimberg <sa...@mellanox.com>
Reviewed-by: Steve Wise <sw...@opengridcomputing.com>
---
drivers/infiniband/ulp/isert/ib_isert.c | 13 +++----------
1 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c
b/drivers/infiniband/ulp/isert/ib_isert.c
index 96336a9..eb985f9 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -141,16 +141,9 @@ isert_create_qp(struct isert_conn *isert_conn,
attr.recv_cq = comp->cq;
attr.cap.max_send_wr = ISERT_QP_MAX_REQ_DTOS;
attr.cap.max_recv_wr = ISERT_QP_MAX_RECV_DTOS + 1;
- /*
- * FIXME: Use devattr.max_sge - 2 for max_send_sge as
- * work-around for RDMA_READs with ConnectX-2.
- *
- * Also, still make sure to have at least two SGEs for
- * outgoing control PDU responses.
- */
- attr.cap.max_send_sge = max(2, device->ib_device->max_sge - 2);
- isert_conn->max_sge = attr.cap.max_send_sge;
-
+ attr.cap.max_send_sge = device->ib_device->max_sge;
+ isert_conn->max_sge = min(device->ib_device->max_sge,
+ device->ib_device->max_sge_rd);
attr.cap.max_recv_sge = 1;
attr.sq_sig_type = IB_SIGNAL_REQ_WR;
attr.qp_type = IB_QPT_RC;
--
1.7.1
--
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