Commit b736a469 authored by Dasaratharaman Chandramouli's avatar Dasaratharaman Chandramouli Committed by Doug Ledford
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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: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: default avatarDon Hiatt <don.hiatt@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 89c057ca
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+1 −3
Original line number Diff line number Diff line
@@ -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;
+1 −6
Original line number Diff line number Diff line
@@ -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)
+2 −5
Original line number Diff line number Diff line
@@ -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;