diff options
| author | Ralph Campbell <ralph.campbell@qlogic.com> | 2008-10-27 15:31:25 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-10-27 15:31:25 -0700 |
| commit | a8b56f296d7d977fea2512e353a131f8da490aa5 (patch) | |
| tree | b40928bd5bb7f77df0671bf8842c6cd69dc6d069 /drivers/infiniband/hw/ipath/ipath_ruc.c | |
| parent | 332edc2f7fa58b818dfed1cede60272eecc27c0a (diff) | |
| download | linux-stable-a8b56f296d7d977fea2512e353a131f8da490aa5.tar.gz linux-stable-a8b56f296d7d977fea2512e353a131f8da490aa5.tar.bz2 linux-stable-a8b56f296d7d977fea2512e353a131f8da490aa5.zip | |
IB/ipath: Fix RDMA write with immediate copy of last packet
When the last packet of a RDMA write with immediate is received, the
next receive work queue entry ID should be used to generate a completion
entry. The code was incorrectly resetting part of the state used to copy
the last packet.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_ruc.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_ruc.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index fc0f6d9e6030..2296832f94da 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -156,7 +156,7 @@ bail: /** * ipath_get_rwqe - copy the next RWQE into the QP's RWQE * @qp: the QP - * @wr_id_only: update wr_id only, not SGEs + * @wr_id_only: update qp->r_wr_id only, not qp->r_sge * * Return 0 if no RWQE is available, otherwise return 1. * @@ -173,8 +173,6 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) u32 tail; int ret; - qp->r_sge.sg_list = qp->r_sg_list; - if (qp->ibqp.srq) { srq = to_isrq(qp->ibqp.srq); handler = srq->ibsrq.event_handler; @@ -206,8 +204,10 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only) wqe = get_rwqe_ptr(rq, tail); if (++tail >= rq->size) tail = 0; - } while (!wr_id_only && !ipath_init_sge(qp, wqe, &qp->r_len, - &qp->r_sge)); + if (wr_id_only) + break; + qp->r_sge.sg_list = qp->r_sg_list; + } while (!ipath_init_sge(qp, wqe, &qp->r_len, &qp->r_sge)); qp->r_wr_id = wqe->wr_id; wq->tail = tail; |