diff options
| author | Mike Marciniszyn <mike.marciniszyn@intel.com> | 2019-06-14 19:32:38 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-06-18 04:15:40 +0300 |
| commit | 9755f72496664eec70bc804104118b5797b6bf63 (patch) | |
| tree | baff4bacef69a8f11a25ccb77b9d09501a02b5d5 /drivers/infiniband/hw/hfi1 | |
| parent | 3230f4a8d44e4a0bb7afea814b280b5129521f52 (diff) | |
| download | linux-9755f72496664eec70bc804104118b5797b6bf63.tar.xz | |
IB/hfi1: Create inline to get extended headers
This paves the way for another patch that reacts to a
flush sdma completion for RC.
Fixes: 81cd3891f021 ("IB/hfi1: Add support for 16B Management Packets")
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@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')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 31 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hfi1/rc.c | 21 |
2 files changed, 32 insertions, 20 deletions
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index b458c218842b..fa45350a9a1d 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -539,6 +539,37 @@ static inline void hfi1_16B_set_qpn(struct opa_16b_mgmt *mgmt, mgmt->src_qpn = cpu_to_be32(src_qp & OPA_16B_MGMT_QPN_MASK); } +/** + * hfi1_get_rc_ohdr - get extended header + * @opah - the opaheader + */ +static inline struct ib_other_headers * +hfi1_get_rc_ohdr(struct hfi1_opa_header *opah) +{ + struct ib_other_headers *ohdr; + struct ib_header *hdr = NULL; + struct hfi1_16b_header *hdr_16b = NULL; + + /* Find out where the BTH is */ + if (opah->hdr_type == HFI1_PKT_TYPE_9B) { + hdr = &opah->ibh; + if (ib_get_lnh(hdr) == HFI1_LRH_BTH) + ohdr = &hdr->u.oth; + else + ohdr = &hdr->u.l.oth; + } else { + u8 l4; + + hdr_16b = &opah->opah; + l4 = hfi1_16B_get_l4(hdr_16b); + if (l4 == OPA_16B_L4_IB_LOCAL) + ohdr = &hdr_16b->u.oth; + else + ohdr = &hdr_16b->u.l.oth; + } + return ohdr; +} + struct rvt_sge_state; /* diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index a922edcf23d6..707a4c52d20e 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -1709,8 +1709,6 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah) struct ib_other_headers *ohdr; struct hfi1_qp_priv *priv = qp->priv; struct rvt_swqe *wqe; - struct ib_header *hdr = NULL; - struct hfi1_16b_header *hdr_16b = NULL; u32 opcode, head, tail; u32 psn; struct tid_rdma_request *req; @@ -1719,24 +1717,7 @@ void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah) if (!(ib_rvt_state_ops[qp->state] & RVT_SEND_OR_FLUSH_OR_RECV_OK)) return; - /* Find out where the BTH is */ - if (priv->hdr_type == HFI1_PKT_TYPE_9B) { - hdr = &opah->ibh; - if (ib_get_lnh(hdr) == HFI1_LRH_BTH) - ohdr = &hdr->u.oth; - else - ohdr = &hdr->u.l.oth; - } else { - u8 l4; - - hdr_16b = &opah->opah; - l4 = hfi1_16B_get_l4(hdr_16b); - if (l4 == OPA_16B_L4_IB_LOCAL) - ohdr = &hdr_16b->u.oth; - else - ohdr = &hdr_16b->u.l.oth; - } - + ohdr = hfi1_get_rc_ohdr(opah); opcode = ib_bth_get_opcode(ohdr); if ((opcode >= OP(RDMA_READ_RESPONSE_FIRST) && opcode <= OP(ATOMIC_ACKNOWLEDGE)) || |