diff options
| author |   Don Hiatt <don.hiatt@intel.com> | 2017-04-09 10:16:22 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-04-28 13:48:01 -0400 |
| commit | cb42705792d809b108c76f1c97665382dc89531e (patch) | |
| tree | f571cf2e235885075dbb898d1caded18e47cab92 /drivers/infiniband/hw/hfi1/verbs.c | |
| parent | IB/hfi1: Rename hdr2sc to hfi1_9B_get_sc5 (diff) | |
| download | linux-dev-cb42705792d809b108c76f1c97665382dc89531e.tar.xz linux-dev-cb42705792d809b108c76f1c97665382dc89531e.zip | |
IB/hfi1: Add functions to parse 9B headers
These inline functions improve code readability by
enabling callers to read specific fields from the
header without knowledge of byte offsets.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index f3b063c4df24..57036e545bdb 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -572,7 +572,7 @@ void hfi1_ib_rcv(struct hfi1_packet *packet) u16 lid; /* Check for GRH */ - lnh = be16_to_cpu(hdr->lrh[0]) & 3; + lnh = ib_get_lnh(hdr); if (lnh == HFI1_LRH_BTH) { packet->ohdr = &hdr->u.oth; } else if (lnh == HFI1_LRH_GRH) { @@ -591,12 +591,12 @@ void hfi1_ib_rcv(struct hfi1_packet *packet) trace_input_ibhdr(rcd->dd, hdr); - opcode = (be32_to_cpu(packet->ohdr->bth[0]) >> 24); + opcode = ib_bth_get_opcode(packet->ohdr); inc_opstats(tlen, &rcd->opstats->stats[opcode]); /* Get the destination QP number. */ qp_num = be32_to_cpu(packet->ohdr->bth[1]) & RVT_QPN_MASK; - lid = be16_to_cpu(hdr->lrh[1]); + lid = ib_get_dlid(hdr); if (unlikely((lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) && (lid != be16_to_cpu(IB_LID_PERMISSIVE)))) { struct rvt_mcast *mcast; @@ -1231,7 +1231,7 @@ int hfi1_verbs_send(struct rvt_qp *qp, struct hfi1_pkt_state *ps) hdr = &ps->s_txreq->phdr.hdr; /* locate the pkey within the headers */ - lnh = be16_to_cpu(hdr->lrh[0]) & 3; + lnh = ib_get_lnh(hdr); if (lnh == HFI1_LRH_GRH) ohdr = &hdr->u.l.oth; else |