diff options
| author | Ira Weiny | 2015-11-17 03:59:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2015-12-21 22:45:29 +0100 |
| commit | db00a055613915f9309a58700517379018e3093f (patch) | |
| tree | 0a4585a1876f5f8f651d739324088ef2cf08432e /drivers/staging/rdma/hfi1/mad.c | |
| parent | staging/rdma/hfi1: remove RxCtxRHQS from hfi1stats (diff) | |
| download | kernel-qcow2-linux-db00a055613915f9309a58700517379018e3093f.tar.gz kernel-qcow2-linux-db00a055613915f9309a58700517379018e3093f.tar.xz kernel-qcow2-linux-db00a055613915f9309a58700517379018e3093f.zip | |
staging/rdma/hfi1: Remove rcv bubbles code
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>
Diffstat (limited to 'drivers/staging/rdma/hfi1/mad.c')
| -rw-r--r-- | drivers/staging/rdma/hfi1/mad.c | 64 |
1 files changed, 2 insertions, 62 deletions
diff --git a/drivers/staging/rdma/hfi1/mad.c b/drivers/staging/rdma/hfi1/mad.c index a1225651005c..4bc003f036c0 100644 --- a/drivers/staging/rdma/hfi1/mad.c +++ b/drivers/staging/rdma/hfi1/mad.c @@ -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; - - 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; + u64 sum_vl_xmit_wait = 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, |