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IB/hfi1: Use hdr2sc function to calculate 5-bit SC 

The interface is used to compute the 5-bit SC field from the
LRH and the RHF bits. Modify code to use the interface instead.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@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:
Dasaratharaman Chandramouli 2016-07-25 13:40:34 -07:00 committed by Doug Ledford
parent 89c057cae4
commit b736a469f9
3 changed files with 4 additions and 14 deletions
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4
drivers/infiniband/hw/hfi1/driver.c
View File

@ -392,9 +392,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd,
u16 rlid;
u8 svc_type, sl, sc5;
sc5 = (be16_to_cpu(rhdr->lrh[0]) >> 12) & 0xf;
if (rhf_dc_info(packet->rhf))
sc5 |= 0x10;
sc5 = hdr2sc(rhdr, packet->rhf);
sl = ibp->sc_to_sl[sc5];
lqpn = be32_to_cpu(bth[1]) & RVT_QPN_MASK;

7
drivers/infiniband/hw/hfi1/hfi.h
View File

@ -368,11 +368,6 @@ struct hfi1_packet {
u8 etype;
};
static inline bool has_sc4_bit(struct hfi1_packet *p)
{
return !!rhf_dc_info(p->rhf);
}
/*
* Private data for snoop/capture support.
*/
@ -1273,7 +1268,7 @@ void receive_interrupt_work(struct work_struct *work);
static inline int hdr2sc(struct hfi1_message_header *hdr, u64 rhf)
{
return ((be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf) |
((!!(rhf & RHF_DC_INFO_SMASK)) << 4);
((!!(rhf_dc_info(rhf))) << 4);
}
static inline u16 generate_jkey(kuid_t uid)

7
drivers/infiniband/hw/hfi1/verbs.c
View File

@ -1743,8 +1743,7 @@ void hfi1_cnp_rcv(struct hfi1_packet *packet)
struct rvt_qp *qp = packet->qp;
u32 lqpn, rqpn = 0;
u16 rlid = 0;
u8 sl, sc5, sc4_bit, svc_type;
bool sc4_set = has_sc4_bit(packet);
u8 sl, sc5, svc_type;
switch (packet->qp->ibqp.qp_type) {
case IB_QPT_UC:
@ -1767,9 +1766,7 @@ void hfi1_cnp_rcv(struct hfi1_packet *packet)
return;
}
sc4_bit = sc4_set << 4;
sc5 = (be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf;
sc5 |= sc4_bit;
sc5 = hdr2sc((struct hfi1_message_header *)hdr, packet->rhf);
sl = ibp->sc_to_sl[sc5];
lqpn = qp->ibqp.qp_num;