summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/hfi1/rc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/hfi1/rc.c')
-rw-r--r--drivers/infiniband/hw/hfi1/rc.c42
1 files changed, 15 insertions, 27 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index 1080778..baa67bf 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -765,7 +765,7 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, struct rvt_qp *qp,
ohdr->u.aeth = rvt_compute_aeth(qp);
sc5 = ibp->sl_to_sc[rdma_ah_get_sl(&qp->remote_ah_attr)];
/* set PBC_DC_INFO bit (aka SC[4]) in pbc_flags */
- pbc_flags |= ((!!(sc5 & 0x10)) << PBC_DC_INFO_SHIFT);
+ pbc_flags |= (ib_is_sc5(sc5) << PBC_DC_INFO_SHIFT);
lrh0 |= (sc5 & 0xf) << 12 | (rdma_ah_get_sl(&qp->remote_ah_attr)
& 0xf) << 4;
hdr.lrh[0] = cpu_to_be16(lrh0);
@@ -798,7 +798,8 @@ void hfi1_send_rc_ack(struct hfi1_ctxtdata *rcd, struct rvt_qp *qp,
goto queue_ack;
}
- trace_ack_output_ibhdr(dd_from_ibdev(qp->ibqp.device), &hdr);
+ trace_ack_output_ibhdr(dd_from_ibdev(qp->ibqp.device),
+ &hdr, ib_is_sc5(sc5));
/* write the pbc and data */
ppd->dd->pio_inline_send(ppd->dd, pbuf, pbc, &hdr, hwords);
@@ -1009,7 +1010,7 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr)
return;
}
- psn = be32_to_cpu(ohdr->bth[2]);
+ psn = ib_bth_get_psn(ohdr);
reset_sending_psn(qp, psn);
/*
@@ -1915,17 +1916,16 @@ void process_becn(struct hfi1_pportdata *ppd, u8 sl, u16 rlid, u32 lqpn,
void hfi1_rc_rcv(struct hfi1_packet *packet)
{
struct hfi1_ctxtdata *rcd = packet->rcd;
- struct ib_header *hdr = packet->hdr;
- u32 rcv_flags = packet->rcv_flags;
void *data = packet->ebuf;
u32 tlen = packet->tlen;
struct rvt_qp *qp = packet->qp;
struct hfi1_ibport *ibp = rcd_to_iport(rcd);
struct ib_other_headers *ohdr = packet->ohdr;
- u32 bth0, opcode;
+ u32 bth0;
+ u32 opcode = packet->opcode;
u32 hdrsize = packet->hlen;
u32 psn;
- u32 pad;
+ u32 pad = packet->pad;
struct ib_wc wc;
u32 pmtu = qp->pmtu;
int diff;
@@ -1937,14 +1937,13 @@ void hfi1_rc_rcv(struct hfi1_packet *packet)
u32 rkey;
lockdep_assert_held(&qp->r_lock);
+
bth0 = be32_to_cpu(ohdr->bth[0]);
- if (hfi1_ruc_check_hdr(ibp, hdr, rcv_flags & HFI1_HAS_GRH, qp, bth0))
+ if (hfi1_ruc_check_hdr(ibp, packet))
return;
is_fecn = process_ecn(qp, packet, false);
-
- psn = be32_to_cpu(ohdr->bth[2]);
- opcode = ib_bth_get_opcode(ohdr);
+ psn = ib_bth_get_psn(ohdr);
/*
* Process responses (ACKs) before anything else. Note that the
@@ -2074,8 +2073,6 @@ no_immediate_data:
wc.wc_flags = 0;
wc.ex.imm_data = 0;
send_last:
- /* Get the number of bytes the message was padded by. */
- pad = ib_bth_get_pad(ohdr);
/* Check for invalid length. */
/* LAST len should be >= 1 */
if (unlikely(tlen < (hdrsize + pad + 4)))
@@ -2368,28 +2365,19 @@ send_ack:
void hfi1_rc_hdrerr(
struct hfi1_ctxtdata *rcd,
- struct ib_header *hdr,
- u32 rcv_flags,
+ struct hfi1_packet *packet,
struct rvt_qp *qp)
{
- int has_grh = rcv_flags & HFI1_HAS_GRH;
- struct ib_other_headers *ohdr;
struct hfi1_ibport *ibp = rcd_to_iport(rcd);
int diff;
u32 opcode;
- u32 psn, bth0;
-
- /* Check for GRH */
- ohdr = &hdr->u.oth;
- if (has_grh)
- ohdr = &hdr->u.l.oth;
+ u32 psn;
- bth0 = be32_to_cpu(ohdr->bth[0]);
- if (hfi1_ruc_check_hdr(ibp, hdr, has_grh, qp, bth0))
+ if (hfi1_ruc_check_hdr(ibp, packet))
return;
- psn = be32_to_cpu(ohdr->bth[2]);
- opcode = ib_bth_get_opcode(ohdr);
+ psn = ib_bth_get_psn(packet->ohdr);
+ opcode = ib_bth_get_opcode(packet->ohdr);
/* Only deal with RDMA Writes for now */
if (opcode < IB_OPCODE_RC_RDMA_READ_RESPONSE_FIRST) {
OpenPOWER on IntegriCloud