diff options
| author |   Joachim Fenkes <fenkes@de.ibm.com> | 2007-09-11 15:33:40 +0200 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-10-09 19:59:10 -0700 |
| commit | b708fba3c2942a175c3cb04a7bb4c89f907b497b (patch) | |
| tree | 8e87c303b56f691199debfa690de0c3870251047 /drivers/infiniband/hw/ehca/ehca_qp.c | |
| parent | IB/ehca: ehca_gen_warn() should always print (diff) | |
| download | linux-dev-b708fba3c2942a175c3cb04a7bb4c89f907b497b.tar.xz linux-dev-b708fba3c2942a175c3cb04a7bb4c89f907b497b.zip | |
IB/ehca: Add check for max #SGE to create_qp()
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_qp.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_qp.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 88d7dd946033..f95403cb523d 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -513,7 +513,7 @@ static struct ehca_qp *internal_create_qp( } else if (init_attr->cap.max_send_wr > 255) { ehca_err(pd->device, "Invalid Number of " - "ax_send_wr=%x for UD QP_TYPE=%x", + "max_send_wr=%x for UD QP_TYPE=%x", init_attr->cap.max_send_wr, qp_type); return ERR_PTR(-EINVAL); } @@ -524,6 +524,18 @@ static struct ehca_qp *internal_create_qp( return ERR_PTR(-EINVAL); break; } + } else { + int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI + || qp_type == IB_QPT_GSI) ? 250 : 252; + + if (init_attr->cap.max_send_sge > max_sge + || init_attr->cap.max_recv_sge > max_sge) { + ehca_err(pd->device, "Invalid number of SGEs requested " + "send_sge=%x recv_sge=%x max_sge=%x", + init_attr->cap.max_send_sge, + init_attr->cap.max_recv_sge, max_sge); + return ERR_PTR(-EINVAL); + } } if (pd->uobject && udata) |