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IB/hfi1: Add functions to parse BTH/IB headers

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Improve code readablity by adding inline functions
to read specific BTH/IB fields without knowledge of
byte offsets.

Reviewed-by: Brian Welty <brian.welty@intel.com>
Reviewed-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Don Hiatt
2017-05-12 09:19:55 -07:00
committed by Doug Ledford
parent aa560df381
commit 7dafbab375
8 changed files with 101 additions and 15 deletions
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6
drivers/infiniband/hw/hfi1/verbs.c
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@@ -595,7 +595,7 @@ void hfi1_ib_rcv(struct hfi1_packet *packet)
inc_opstats(tlen, &rcd->opstats->stats[opcode]);
/* Get the destination QP number. */
qp_num = be32_to_cpu(packet->ohdr->bth[1]) & RVT_QPN_MASK;
qp_num = ib_bth_get_qpn(packet->ohdr);
lid = ib_get_dlid(hdr);
if (unlikely((lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) &&
(lid != be16_to_cpu(IB_LID_PERMISSIVE)))) {
@@ -863,7 +863,7 @@ int hfi1_verbs_send_dma(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
/* No vl15 here */
/* set PBC_DC_INFO bit (aka SC[4]) in pbc_flags */
pbc |= (!!(sc5 & 0x10)) << PBC_DC_INFO_SHIFT;
pbc |= (ib_is_sc5(sc5) << PBC_DC_INFO_SHIFT);
if (unlikely(hfi1_dbg_fault_opcode(qp, opcode, false)))
pbc = hfi1_fault_tx(qp, opcode, pbc);
@@ -999,7 +999,7 @@ int hfi1_verbs_send_pio(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
u8 opcode = get_opcode(&tx->phdr.hdr);
/* set PBC_DC_INFO bit (aka SC[4]) in pbc_flags */
pbc |= (!!(sc5 & 0x10)) << PBC_DC_INFO_SHIFT;
pbc |= (ib_is_sc5(sc5) << PBC_DC_INFO_SHIFT);
if (unlikely(hfi1_dbg_fault_opcode(qp, opcode, false)))
pbc = hfi1_fault_tx(qp, opcode, pbc);
pbc = create_pbc(ppd, pbc, qp->srate_mbps, vl, plen);