diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_rc.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_rc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 5b5276a270b..108df667d2e 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -1189,6 +1189,7 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev, wqe = get_swqe_ptr(qp, qp->s_last); if (unlikely(wqe->wr.opcode != IB_WR_RDMA_READ)) goto ack_op_err; + qp->r_flags &= ~IPATH_R_RDMAR_SEQ; /* * If this is a response to a resent RDMA read, we * have to be careful to copy the data to the right @@ -1202,6 +1203,9 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev, /* no AETH, no ACK */ if (unlikely(ipath_cmp24(psn, qp->s_last_psn + 1))) { dev->n_rdma_seq++; + if (qp->r_flags & IPATH_R_RDMAR_SEQ) + goto ack_done; + qp->r_flags |= IPATH_R_RDMAR_SEQ; ipath_restart_rc(qp, qp->s_last_psn + 1); goto ack_done; } @@ -1263,6 +1267,9 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev, /* ACKs READ req. */ if (unlikely(ipath_cmp24(psn, qp->s_last_psn + 1))) { dev->n_rdma_seq++; + if (qp->r_flags & IPATH_R_RDMAR_SEQ) + goto ack_done; + qp->r_flags |= IPATH_R_RDMAR_SEQ; ipath_restart_rc(qp, qp->s_last_psn + 1); goto ack_done; } |