diff options
| author | Don Hiatt <don.hiatt@intel.com> | 2017-04-09 20:16:22 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-04-28 20:48:01 +0300 |
| commit | cb42705792d809b108c76f1c97665382dc89531e (patch) | |
| tree | f571cf2e235885075dbb898d1caded18e47cab92 /drivers/infiniband/hw/hfi1/ud.c | |
| parent | aad559c21d7b536444701cb798100d33ff027f70 (diff) | |
| download | linux-cb42705792d809b108c76f1c97665382dc89531e.tar.xz | |
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/ud.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/ud.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c index fd105cf20885..8b3403a1f199 100644 --- a/drivers/infiniband/hw/hfi1/ud.c +++ b/drivers/infiniband/hw/hfi1/ud.c @@ -688,18 +688,16 @@ void hfi1_ud_rcv(struct hfi1_packet *packet) qkey = be32_to_cpu(ohdr->u.ud.deth[0]); src_qp = be32_to_cpu(ohdr->u.ud.deth[1]) & RVT_QPN_MASK; - dlid = be16_to_cpu(hdr->lrh[1]); + dlid = ib_get_dlid(hdr); bth1 = be32_to_cpu(ohdr->bth[1]); - slid = be16_to_cpu(hdr->lrh[3]); - pkey = (u16)be32_to_cpu(ohdr->bth[0]); - sl = (be16_to_cpu(hdr->lrh[0]) >> 4) & 0xf; - extra_bytes = (be32_to_cpu(ohdr->bth[0]) >> 20) & 3; + slid = ib_get_slid(hdr); + pkey = ib_bth_get_pkey(ohdr); + opcode = ib_bth_get_opcode(ohdr); + sl = ib_get_sl(hdr); + extra_bytes = ib_bth_get_pad(ohdr); extra_bytes += (SIZE_OF_CRC << 2); sl_from_sc = ibp->sc_to_sl[sc5]; - opcode = be32_to_cpu(ohdr->bth[0]) >> 24; - opcode &= 0xff; - process_ecn(qp, packet, (opcode != IB_OPCODE_CNP)); /* * Get the number of bytes the message was padded by |