diff options
| author |   Don Hiatt <don.hiatt@intel.com> | 2017-08-04 13:53:51 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-22 14:22:36 -0400 |
| commit | 13c19222889daf91da36b7fb63b5d5d9ce89b377 (patch) | |
| tree | 6db5ba838a47d935ed25560b797700bd8b14a922 /drivers/infiniband/hw/qib/qib_verbs.c | |
| parent | IB/hf1: User context locking is inconsistent (diff) | |
| download | linux-dev-13c19222889daf91da36b7fb63b5d5d9ce89b377.tar.xz linux-dev-13c19222889daf91da36b7fb63b5d5d9ce89b377.zip | |
IB/rdmavt, hfi1, qib: Modify check_ah() to account for extended LIDs
rvt_check_ah() delegates lid verification to underlying
driver. Underlying driver uses different conditions to
check for dlid depending on whether the device supports
extended LIDs
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_verbs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c index ac42dce7e281..9d92aeb8d9a1 100644 --- a/drivers/infiniband/hw/qib/qib_verbs.c +++ b/drivers/infiniband/hw/qib/qib_verbs.c @@ -1341,6 +1341,15 @@ int qib_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr) if (rdma_ah_get_sl(ah_attr) > 15) return -EINVAL; + if (rdma_ah_get_dlid(ah_attr) == 0) + return -EINVAL; + if (rdma_ah_get_dlid(ah_attr) >= + be16_to_cpu(IB_MULTICAST_LID_BASE) && + rdma_ah_get_dlid(ah_attr) != + be16_to_cpu(IB_LID_PERMISSIVE) && + !(rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH)) + return -EINVAL; + return 0; } |