diff options
| -rw-r--r-- | drivers/infiniband/hw/hfi1/rc.c | 3 | ||||
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_rc.c | 3 | ||||
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 24 |
3 files changed, 25 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index ddc02237e5f6..9db260fe782a 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -2377,8 +2377,7 @@ send_last: * Update the next expected PSN. We add 1 later * below, so only add the remainder here. */ - if (len > pmtu) - qp->r_psn += (len - 1) / pmtu; + qp->r_psn += rvt_div_mtu(qp, len - 1); } else { e->rdma_sge.mr = NULL; e->rdma_sge.vaddr = NULL; diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index e23ee6ce435a..031433cb7206 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -2079,8 +2079,7 @@ send_last: * Update the next expected PSN. We add 1 later * below, so only add the remainder here. */ - if (len > pmtu) - qp->r_psn += (len - 1) / pmtu; + qp->r_psn += rvt_div_mtu(qp, len - 1); } else { e->rdma_sge.mr = NULL; e->rdma_sge.vaddr = NULL; diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index 04facda681e0..f3dbd157ae5c 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -582,7 +582,29 @@ static inline void rvt_qp_swqe_complete( } } -extern const int ib_rvt_state_ops[]; +/** + * @qp - the qp pair + * @len - the length + * + * Perform a shift based mtu round up divide + */ +static inline u32 rvt_div_round_up_mtu(struct rvt_qp *qp, u32 len) +{ + return (len + qp->pmtu - 1) >> qp->log_pmtu; +} + +/** + * @qp - the qp pair + * @len - the length + * + * Perform a shift based mtu divide + */ +static inline u32 rvt_div_mtu(struct rvt_qp *qp, u32 len) +{ + return len >> qp->log_pmtu; +} + +extern const int ib_rvt_state_ops[]; struct rvt_dev_info; int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err); |