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staging/rdma/hfi1: Remove rcv bubbles code

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Rcv bubbles were improperly calculated for HFIs, fix that here.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Arthur Kepner <arthur.kepner@intel.com>
Signed-off-by: Ira Weiny <iweiny@gmail.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ira Weiny 2015-11-16 21:59:26 -05:00 committed by Greg Kroah-Hartman
parent 3d305dbdb2
commit db00a05561
1 changed files with 1 additions and 61 deletions
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62
drivers/staging/rdma/hfi1/mad.c
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@ -2271,34 +2271,8 @@ static void a0_portstatus(struct hfi1_pportdata *ppd,
{
if (!is_bx(ppd->dd)) {
unsigned long vl;
int vfi = 0;
u64 max_vl_xmit_wait = 0, tmp;
u32 vl_all_mask = VL_MASK_ALL;
u64 rcv_data, rcv_bubble;
rcv_data = be64_to_cpu(rsp->port_rcv_data);
rcv_bubble = be64_to_cpu(rsp->port_rcv_bubble);
/* In the measured time period, calculate the total number
* of flits that were received. Subtract out one false
* rcv_bubble increment for every 32 received flits but
* don't let the number go negative.
*/
if (rcv_bubble >= (rcv_data>>5)) {
rcv_bubble -= (rcv_data>>5);
rsp->port_rcv_bubble = cpu_to_be64(rcv_bubble);
}
for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
8 * sizeof(vl_select_mask)) {
rcv_data = be64_to_cpu(rsp->vls[vfi].port_vl_rcv_data);
rcv_bubble =
be64_to_cpu(rsp->vls[vfi].port_vl_rcv_bubble);
if (rcv_bubble >= (rcv_data>>5)) {
rcv_bubble -= (rcv_data>>5);
rsp->vls[vfi].port_vl_rcv_bubble =
cpu_to_be64(rcv_bubble);
}
vfi++;
}
for_each_set_bit(vl, (unsigned long *)&(vl_all_mask),
8 * sizeof(vl_all_mask)) {
@ -2363,8 +2337,6 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
CNTR_INVALID_VL));
rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS,
CNTR_INVALID_VL));
rsp->port_rcv_bubble =
cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL));
rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS,
CNTR_INVALID_VL));
rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS,
@ -2434,9 +2406,6 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
tmp = read_dev_cntr(dd, C_DC_RX_FLIT_VL, idx_from_vl(vl));
rsp->vls[vfi].port_vl_rcv_data = cpu_to_be64(tmp);
rsp->vls[vfi].port_vl_rcv_bubble =
cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BBL_VL,
idx_from_vl(vl)));
rsp->vls[vfi].port_vl_rcv_pkts =
cpu_to_be64(read_dev_cntr(dd, C_DC_RX_PKT_VL,
@ -2519,32 +2488,8 @@ static void a0_datacounters(struct hfi1_devdata *dd, struct _port_dctrs *rsp,
if (!is_bx(dd)) {
unsigned long vl;
int vfi = 0;
u64 rcv_data, rcv_bubble, sum_vl_xmit_wait = 0;
u64 sum_vl_xmit_wait = 0;
rcv_data = be64_to_cpu(rsp->port_rcv_data);
rcv_bubble = be64_to_cpu(rsp->port_rcv_bubble);
/* In the measured time period, calculate the total number
* of flits that were received. Subtract out one false
* rcv_bubble increment for every 32 received flits but
* don't let the number go negative.
*/
if (rcv_bubble >= (rcv_data>>5)) {
rcv_bubble -= (rcv_data>>5);
rsp->port_rcv_bubble = cpu_to_be64(rcv_bubble);
}
for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
8 * sizeof(vl_select_mask)) {
rcv_data = be64_to_cpu(rsp->vls[vfi].port_vl_rcv_data);
rcv_bubble =
be64_to_cpu(rsp->vls[vfi].port_vl_rcv_bubble);
if (rcv_bubble >= (rcv_data>>5)) {
rcv_bubble -= (rcv_data>>5);
rsp->vls[vfi].port_vl_rcv_bubble =
cpu_to_be64(rcv_bubble);
}
vfi++;
}
vfi = 0;
for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
8 * sizeof(vl_select_mask)) {
u64 tmp = sum_vl_xmit_wait +
@ -2635,8 +2580,6 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
CNTR_INVALID_VL));
rsp->port_rcv_data = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_FLITS,
CNTR_INVALID_VL));
rsp->port_rcv_bubble =
cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BBL, CNTR_INVALID_VL));
rsp->port_xmit_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_XMIT_PKTS,
CNTR_INVALID_VL));
rsp->port_rcv_pkts = cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_PKTS,
@ -2675,9 +2618,6 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp,
rsp->vls[vfi].port_vl_rcv_data =
cpu_to_be64(read_dev_cntr(dd, C_DC_RX_FLIT_VL,
idx_from_vl(vl)));
rsp->vls[vfi].port_vl_rcv_bubble =
cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BBL_VL,
idx_from_vl(vl)));
rsp->vls[vfi].port_vl_xmit_pkts =
cpu_to_be64(read_port_cntr(ppd, C_TX_PKT_VL,