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IB/hfi1: Add functions to parse 9B headers

Sfoglia il codice sorgente 
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>
This commit is contained in:
Don Hiatt
2017-04-09 10:16:22 -07:00
committato da Doug Ledford
parent aad559c21d
commit cb42705792
9 ha cambiato i file con 102 aggiunte e 47 eliminazioni
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13
drivers/infiniband/hw/hfi1/driver.c
Vedi File

@@ -285,7 +285,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd,
{
struct ib_header *rhdr = packet->hdr;
u32 rte = rhf_rcv_type_err(packet->rhf);
int lnh = be16_to_cpu(rhdr->lrh[0]) & 3;
int lnh = ib_get_lnh(rhdr);
struct hfi1_ibport *ibp = rcd_to_iport(rcd);
struct hfi1_devdata *dd = ppd->dd;
struct rvt_dev_info *rdi = &dd->verbs_dev.rdi;
@@ -297,7 +297,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd,
/* For TIDERR and RC QPs preemptively schedule a NAK */
struct ib_other_headers *ohdr = NULL;
u32 tlen = rhf_pkt_len(packet->rhf); /* in bytes */
u16 lid = be16_to_cpu(rhdr->lrh[1]);
u16 lid = ib_get_dlid(rhdr);
u32 qp_num;
u32 rcv_flags = 0;
@@ -416,7 +416,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd,
svc_type = IB_CC_SVCTYPE_UD;
break;
case IB_QPT_UC:
rlid = be16_to_cpu(rhdr->lrh[3]);
rlid = ib_get_slid(rhdr);
rqpn = qp->remote_qpn;
svc_type = IB_CC_SVCTYPE_UC;
break;
@@ -462,7 +462,7 @@ void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt,
struct ib_other_headers *ohdr = pkt->ohdr;
struct ib_grh *grh = NULL;
u32 rqpn = 0, bth1;
u16 rlid, dlid = be16_to_cpu(hdr->lrh[1]);
u16 rlid, dlid = ib_get_dlid(hdr);
u8 sc, svc_type;
bool is_mcast = false;
@@ -473,7 +473,7 @@ void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt,
case IB_QPT_SMI:
case IB_QPT_GSI:
case IB_QPT_UD:
rlid = be16_to_cpu(hdr->lrh[3]);
rlid = ib_get_slid(hdr);
rqpn = be32_to_cpu(ohdr->u.ud.deth[1]) & RVT_QPN_MASK;
svc_type = IB_CC_SVCTYPE_UD;
is_mcast = (dlid > be16_to_cpu(IB_MULTICAST_LID_BASE)) &&
@@ -623,8 +623,7 @@ static void __prescan_rxq(struct hfi1_packet *packet)
packet->hdr = hfi1_get_msgheader(dd, rhf_addr);
hdr = packet->hdr;
lnh = be16_to_cpu(hdr->lrh[0]) & 3;
lnh = ib_get_lnh(hdr);
if (lnh == HFI1_LRH_BTH) {
packet->ohdr = &hdr->u.oth;