For OPA devices additional work is required to create an AH.
This patch adds support to set the VL correctly.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
---
drivers/staging/rdma/hfi1/verbs.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/drivers/staging/rdma/hfi1/verbs.c b/drivers/staging/rdma/hfi1/verbs.c
index e007c52..6d69491 100644
--- a/drivers/staging/rdma/hfi1/verbs.c
+++ b/drivers/staging/rdma/hfi1/verbs.c
@@ -1629,6 +1629,29 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr)
return 0;
}
+static void hfi1_notify_new_ah(struct ib_device *ibdev,
+ struct ib_ah_attr *ah_attr,
+ struct rvt_ah *ah)
+{
+ struct hfi1_ibport *ibp;
+ struct hfi1_pportdata *ppd;
+ struct hfi1_devdata *dd;
+ u8 sc5;
+
+ /*
+ * Do not trust reading anything from rvt_ah at this point as it is not
+ * done being setup. We can however modify things which we need to set.
+ */
+
+ ibp = to_iport(ibdev, ah_attr->port_num);
+ ppd = ppd_from_ibp(ibp);
+ sc5 = ibp->sl_to_sc[ah->attr.sl];
+ dd = dd_from_ppd(ppd);
+ ah->vl = sc_to_vlt(dd, sc5);
+ if (ah->vl < num_vls || ah->vl == 15)
+ ah->log_pmtu = ilog2(dd->vld[ah->vl].mtu);
+}
+
struct ib_ah *hfi1_create_qp0_ah(struct hfi1_ibport *ibp, u16 dlid)
{
struct ib_ah_attr attr;
@@ -1919,6 +1942,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd)
dd->verbs_dev.rdi.driver_f.get_card_name = get_card_name;
dd->verbs_dev.rdi.driver_f.get_pci_dev = get_pci_dev;
dd->verbs_dev.rdi.driver_f.check_ah = hfi1_check_ah;
+ dd->verbs_dev.rdi.driver_f.notify_new_ah = hfi1_notify_new_ah;
dd->verbs_dev.rdi.dparms.props.max_ah = hfi1_max_ahs;
dd->verbs_dev.rdi.dparms.props.max_pd = hfi1_max_pds;
dd->verbs_dev.rdi.flags = (RVT_FLAG_MR_INIT_DRIVER |
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