diff options
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_qp.c | 7 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 10 | ||||
| -rw-r--r-- | drivers/staging/rdma/hfi1/qp.c | 3 |
3 files changed, 14 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c index 6ffa0221da9f..575b737d9ef3 100644 --- a/drivers/infiniband/hw/qib/qib_qp.c +++ b/drivers/infiniband/hw/qib/qib_qp.c @@ -484,12 +484,13 @@ void qib_get_credit(struct rvt_qp *qp, u32 aeth) * the ring but after the wqe has been * setup. * - * Returns 0 on success, -EINVAL on failure + * Returns 1 to force direct progress, 0 otherwise, -EINVAL on failure */ int qib_check_send_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe) { struct rvt_ah *ah; + int ret = 0; switch (qp->ibqp.qp_type) { case IB_QPT_RC: @@ -503,11 +504,13 @@ int qib_check_send_wqe(struct rvt_qp *qp, ah = ibah_to_rvtah(wqe->ud_wr.ah); if (wqe->length > (1 << ah->log_pmtu)) return -EINVAL; + /* progress hint */ + ret = 1; break; default: break; } - return 0; + return ret; } #ifdef CONFIG_DEBUG_FS diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index dbf124db1fd1..ef82abf2d89e 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1430,7 +1430,9 @@ static inline u32 qp_get_savail(struct rvt_qp *qp) * @qp: the QP to post on * @wr: the work request to send */ -static int rvt_post_one_wr(struct rvt_qp *qp, struct ib_send_wr *wr) +static int rvt_post_one_wr(struct rvt_qp *qp, + struct ib_send_wr *wr, + int *call_send) { struct rvt_swqe *wqe; u32 next; @@ -1532,8 +1534,10 @@ static int rvt_post_one_wr(struct rvt_qp *qp, struct ib_send_wr *wr) /* general part of wqe valid - allow for driver checks */ if (rdi->driver_f.check_send_wqe) { ret = rdi->driver_f.check_send_wqe(qp, wqe); - if (ret) + if (ret < 0) goto bail_inval_free; + if (ret) + *call_send = ret; } log_pmtu = qp->log_pmtu; @@ -1606,7 +1610,7 @@ int rvt_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, call_send = qp->s_head == ACCESS_ONCE(qp->s_last) && !wr->next; for (; wr; wr = wr->next) { - err = rvt_post_one_wr(qp, wr); + err = rvt_post_one_wr(qp, wr, &call_send); if (unlikely(err)) { *bad_wr = wr; goto bail; diff --git a/drivers/staging/rdma/hfi1/qp.c b/drivers/staging/rdma/hfi1/qp.c index c7b83d66b59b..2d157054576a 100644 --- a/drivers/staging/rdma/hfi1/qp.c +++ b/drivers/staging/rdma/hfi1/qp.c @@ -73,6 +73,7 @@ static int iowait_sleep( struct sdma_txreq *stx, unsigned seq); static void iowait_wakeup(struct iowait *wait, int reason); +static void qp_pio_drain(struct rvt_qp *qp); static inline unsigned mk_qpn(struct rvt_qpn_table *qpt, struct rvt_qpn_map *map, unsigned off) @@ -272,7 +273,7 @@ int hfi1_check_send_wqe(struct rvt_qp *qp, default: break; } - return 0; + return wqe->length <= piothreshold; } /** |