diff options
| author | Selvin Xavier | 2017-06-29 21:28:18 +0200 |
|---|---|---|
| committer | Doug Ledford | 2017-07-20 17:20:50 +0200 |
| commit | 499e456981d376ef614e257d5dcb280581db9ac6 (patch) | |
| tree | cc23bc5c9e008a67b134f591f7930836a069c4b9 /drivers/infiniband/hw/bnxt_re/ib_verbs.c | |
| parent | RDMA/bnxt_re: Fix return value of poll routine (diff) | |
| download | kernel-qcow2-linux-499e456981d376ef614e257d5dcb280581db9ac6.tar.gz kernel-qcow2-linux-499e456981d376ef614e257d5dcb280581db9ac6.tar.xz kernel-qcow2-linux-499e456981d376ef614e257d5dcb280581db9ac6.zip | |
RDMA/bnxt_re: Report MISSED_EVENTS in req_notify_cq
While invoking the req_notify_cq hook, ULPs can request
whether the CQs have any CQEs pending. If CQEs are pending,
drivers can indicate it by returning 1 for req_notify_cq.
The stack will poll CQ again till CQ is empty.
This patch peeks the CQ for any valid entries and return accordingly.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/ib_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index b92a06d17186..d5aa5a1a7e00 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -3027,6 +3027,11 @@ int bnxt_re_req_notify_cq(struct ib_cq *ib_cq, else if (ib_cqn_flags & IB_CQ_SOLICITED) type = DBR_DBR_TYPE_CQ_ARMSE; + /* Poll to see if there are missed events */ + if ((ib_cqn_flags & IB_CQ_REPORT_MISSED_EVENTS) && + !(bnxt_qplib_is_cq_empty(&cq->qplib_cq))) + return 1; + bnxt_qplib_req_notify_cq(&cq->qplib_cq, type); return 0; |