diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/rc.c')
-rw-r--r-- | drivers/infiniband/hw/hfi1/rc.c | 51 |
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 14cc212a21c7..da58046a02ea 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -226,12 +226,10 @@ normal: bth2 = mask_psn(qp->s_ack_psn); } qp->s_rdma_ack_cnt++; - qp->s_hdrwords = hwords; ps->s_txreq->sde = priv->s_sde; ps->s_txreq->s_cur_size = len; + ps->s_txreq->hdr_dwords = hwords; hfi1_make_ruc_header(qp, ohdr, bth0, bth2, middle, ps); - /* pbc */ - ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2; return 1; bail: @@ -385,7 +383,6 @@ int hfi1_make_rc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) : IB_WC_SUCCESS); if (local_ops) atomic_dec(&qp->local_ops_pending); - qp->s_hdrwords = 0; goto done_free_tx; } @@ -688,7 +685,7 @@ no_flow_control: bth2 |= IB_BTH_REQ_ACK; } qp->s_len -= len; - qp->s_hdrwords = hwords; + ps->s_txreq->hdr_dwords = hwords; ps->s_txreq->sde = priv->s_sde; ps->s_txreq->ss = ss; ps->s_txreq->s_cur_size = len; @@ -699,8 +696,6 @@ no_flow_control: bth2, middle, ps); - /* pbc */ - ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2; return 1; done_free_tx: @@ -714,7 +709,6 @@ bail: bail_no_tx: ps->s_txreq = NULL; qp->s_flags &= ~RVT_S_BUSY; - qp->s_hdrwords = 0; return 0; } @@ -734,14 +728,16 @@ static inline void hfi1_make_bth_aeth(struct rvt_qp *qp, ohdr->bth[2] = cpu_to_be32(mask_psn(qp->r_ack_psn)); } -static inline void hfi1_queue_rc_ack(struct rvt_qp *qp, bool is_fecn) +static inline void hfi1_queue_rc_ack(struct hfi1_packet *packet, bool is_fecn) { - struct hfi1_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); + struct rvt_qp *qp = packet->qp; + struct hfi1_ibport *ibp; unsigned long flags; spin_lock_irqsave(&qp->s_lock, flags); if (!(ib_rvt_state_ops[qp->state] & RVT_PROCESS_RECV_OK)) goto unlock; + ibp = rcd_to_iport(packet->rcd); this_cpu_inc(*ibp->rvp.rc_qacks); qp->s_flags |= RVT_S_ACK_PENDING | RVT_S_RESP_PENDING; qp->s_nak_state = qp->r_nak_state; @@ -755,13 +751,14 @@ unlock: spin_unlock_irqrestore(&qp->s_lock, flags); } -static inline void hfi1_make_rc_ack_9B(struct rvt_qp *qp, +static inline void hfi1_make_rc_ack_9B(struct hfi1_packet *packet, struct hfi1_opa_header *opa_hdr, u8 sc5, bool is_fecn, u64 *pbc_flags, u32 *hwords, u32 *nwords) { - struct hfi1_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); + struct rvt_qp *qp = packet->qp; + struct hfi1_ibport *ibp = rcd_to_iport(packet->rcd); struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); struct ib_header *hdr = &opa_hdr->ibh; struct ib_other_headers *ohdr; @@ -802,19 +799,20 @@ static inline void hfi1_make_rc_ack_9B(struct rvt_qp *qp, hfi1_make_bth_aeth(qp, ohdr, bth0, bth1); } -static inline void hfi1_make_rc_ack_16B(struct rvt_qp *qp, +static inline void hfi1_make_rc_ack_16B(struct hfi1_packet *packet, struct hfi1_opa_header *opa_hdr, u8 sc5, bool is_fecn, u64 *pbc_flags, u32 *hwords, u32 *nwords) { - struct hfi1_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); + struct rvt_qp *qp = packet->qp; + struct hfi1_ibport *ibp = rcd_to_iport(packet->rcd); struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); struct hfi1_16b_header *hdr = &opa_hdr->opah; struct ib_other_headers *ohdr; u32 bth0, bth1 = 0; u16 len, pkey; - u8 becn = !!is_fecn; + bool becn = is_fecn; u8 l4 = OPA_16B_L4_IB_LOCAL; u8 extra_bytes; @@ -854,7 +852,7 @@ static inline void hfi1_make_rc_ack_16B(struct rvt_qp *qp, hfi1_make_bth_aeth(qp, ohdr, bth0, bth1); } -typedef void (*hfi1_make_rc_ack)(struct rvt_qp *qp, +typedef void (*hfi1_make_rc_ack)(struct hfi1_packet *packet, struct hfi1_opa_header *opa_hdr, u8 sc5, bool is_fecn, u64 *pbc_flags, u32 *hwords, @@ -874,9 +872,10 @@ static const hfi1_make_rc_ack hfi1_make_rc_ack_tbl[2] = { * Note that RDMA reads and atomics are handled in the * send side QP state and send engine. */ -void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, - struct rvt_qp *qp, bool is_fecn) +void hfi1_send_rc_ack(struct hfi1_packet *packet, bool is_fecn) { + struct hfi1_ctxtdata *rcd = packet->rcd; + struct rvt_qp *qp = packet->qp; struct hfi1_ibport *ibp = rcd_to_iport(rcd); struct hfi1_qp_priv *priv = qp->priv; struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); @@ -893,13 +892,13 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, /* Don't send ACK or NAK if a RDMA read or atomic is pending. */ if (qp->s_flags & RVT_S_RESP_PENDING) { - hfi1_queue_rc_ack(qp, is_fecn); + hfi1_queue_rc_ack(packet, is_fecn); return; } /* Ensure s_rdma_ack_cnt changes are committed */ if (qp->s_rdma_ack_cnt) { - hfi1_queue_rc_ack(qp, is_fecn); + hfi1_queue_rc_ack(packet, is_fecn); return; } @@ -908,7 +907,7 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, return; /* Make the appropriate header */ - hfi1_make_rc_ack_tbl[priv->hdr_type](qp, &opa_hdr, sc5, is_fecn, + hfi1_make_rc_ack_tbl[priv->hdr_type](packet, &opa_hdr, sc5, is_fecn, &pbc_flags, &hwords, &nwords); plen = 2 /* PBC */ + hwords + nwords; @@ -922,7 +921,7 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, * so that when enough buffer space becomes available, * the ACK is sent ahead of other outgoing packets. */ - hfi1_queue_rc_ack(qp, is_fecn); + hfi1_queue_rc_ack(packet, is_fecn); return; } trace_ack_output_ibhdr(dd_from_ibdev(qp->ibqp.device), @@ -1540,7 +1539,7 @@ static void rc_rcv_resp(struct hfi1_packet *packet) void *data = packet->payload; u32 tlen = packet->tlen; struct rvt_qp *qp = packet->qp; - struct hfi1_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); + struct hfi1_ibport *ibp; struct ib_other_headers *ohdr = packet->ohdr; struct rvt_swqe *wqe; enum ib_wc_status status; @@ -1697,6 +1696,7 @@ ack_op_err: goto ack_err; ack_seq_err: + ibp = rcd_to_iport(rcd); rdma_seq_err(qp, ibp, psn, rcd); goto ack_done; @@ -2037,7 +2037,6 @@ void hfi1_rc_rcv(struct hfi1_packet *packet) struct rvt_qp *qp = packet->qp; struct hfi1_ibport *ibp = rcd_to_iport(rcd); struct ib_other_headers *ohdr = packet->ohdr; - u32 bth0 = be32_to_cpu(ohdr->bth[0]); u32 opcode = packet->opcode; u32 hdrsize = packet->hlen; u32 psn = ib_bth_get_psn(packet->ohdr); @@ -2235,7 +2234,7 @@ send_last: wc.port_num = 0; /* Signal completion event if the solicited bit is set. */ rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.recv_cq), &wc, - (bth0 & IB_BTH_SOLICITED) != 0); + ib_bth_is_solicited(ohdr)); break; case OP(RDMA_WRITE_ONLY): @@ -2479,7 +2478,7 @@ nack_acc: qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR; qp->r_ack_psn = qp->r_psn; send_ack: - hfi1_send_rc_ack(rcd, qp, is_fecn); + hfi1_send_rc_ack(packet, is_fecn); } void hfi1_rc_hdrerr( |