diff options
| author | Hariprasad S <hariprasad@chelsio.com> | 2016-02-12 16:10:35 +0530 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-02-29 17:10:15 -0500 |
| commit | ee30f7d507c0f3b3499bbe84d14849a6b5ac9484 (patch) | |
| tree | d0d4adc552a8076624ae66cec4ce504b443a3eb0 /drivers/infiniband/hw/cxgb4/mem.c | |
| parent | ac8e4c69a02103d17247a3fae8daa10ae3497c2d (diff) | |
iw_cxgb4: Max fastreg depth depends on DSGL support
The max depth of a fastreg mr depends on whether the device supports
DSGL or not. So compute it dynamically based on the device support and
the module use_dsgl option.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/mem.c')
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/mem.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 7849890c4781..9274c909cd19 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -617,12 +617,14 @@ struct ib_mr *c4iw_alloc_mr(struct ib_pd *pd, int ret = 0; int length = roundup(max_num_sg * sizeof(u64), 32); + php = to_c4iw_pd(pd); + rhp = php->rhp; + if (mr_type != IB_MR_TYPE_MEM_REG || - max_num_sg > t4_max_fr_depth(use_dsgl)) + max_num_sg > t4_max_fr_depth(&rhp->rdev.lldi.ulptx_memwrite_dsgl && + use_dsgl)) return ERR_PTR(-EINVAL); - php = to_c4iw_pd(pd); - rhp = php->rhp; mhp = kzalloc(sizeof(*mhp), GFP_KERNEL); if (!mhp) { ret = -ENOMEM; |