IB/hfi1: Add VL XmitDiscards counters to the opapmaquery

Add per VL XmitDiscards counters to the opapmaquery
status and error response.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jakub Pawlak <jakub.pawlak@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c
index 223dd46cf2aad295e761a1e23ebab3c63e3723e4..349a138cd2dcb356a6bdd4a20f8a6e3f07bfffc3 100644 (file)
--- a/drivers/infiniband/hw/hfi1/mad.c
+++ b/drivers/infiniband/hw/hfi1/mad.c
@@ -2487,6 +2487,9 @@ static int pma_get_opa_portstatus(struct opa_pma_mad *pmp,
                        cpu_to_be64(read_dev_cntr(dd, C_DC_RCV_BCN_VL,
                                                  idx_from_vl(vl)));
 
+               rsp->vls[vfi].port_vl_xmit_discards =
+                       cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD_VL,
+                                                  idx_from_vl(vl)));
                vlinfo++;
                vfi++;
        }
@@ -2878,7 +2881,9 @@ static int pma_get_opa_porterrors(struct opa_pma_mad *pmp,
        for_each_set_bit(vl, (unsigned long *)&(vl_select_mask),
                         8 * sizeof(req->vl_select_mask)) {
                memset(vlinfo, 0, sizeof(*vlinfo));
-               /* vlinfo->vls[vfi].port_vl_xmit_discards ??? */
+               rsp->vls[vfi].port_vl_xmit_discards =
+                       cpu_to_be64(read_port_cntr(ppd, C_SW_XMIT_DSCD_VL,
+                                                  idx_from_vl(vl)));
                vlinfo += 1;
                vfi++;
        }
@@ -3211,7 +3216,9 @@ static int pma_set_opa_portstatus(struct opa_pma_mad *pmp,
                /* if (counter_select & CS_PORT_MARK_FECN)
                 *     write_csr(dd, DCC_PRF_PORT_VL_MARK_FECN_CNT + offset, 0);
                 */
-               /* port_vl_xmit_discards ??? */
+               if (counter_select & C_SW_XMIT_DSCD_VL)
+                       write_port_cntr(ppd, C_SW_XMIT_DSCD_VL,
+                                       idx_from_vl(vl), 0);
        }
 
        if (resp_len)