[PATCH] IB/ipath: fixes to performance get counters for IB compliance

[linux-2.6-omap-h63xx.git] / drivers / infiniband / hw / ipath / ipath_verbs.c

diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 059701d6a19d9857c27d56f3992cb834f66288bd..ab4d5331e81edc1ae7244fd041f1fd1748995f25 100644 (file)
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -981,6 +981,7 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev);
  */
 static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd)
 {
+       struct ipath_layer_counters cntrs;
        struct ipath_ibdev *idev;
        struct ib_device *dev;
        int ret;
@@ -1031,6 +1032,25 @@ static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd)
        idev->pma_counter_select[5] = IB_PMA_PORT_XMIT_WAIT;
        idev->link_width_enabled = 3;   /* 1x or 4x */
 
+       /* Snapshot current HW counters to "clear" them. */
+       ipath_layer_get_counters(dd, &cntrs);
+       idev->z_symbol_error_counter = cntrs.symbol_error_counter;
+       idev->z_link_error_recovery_counter =
+               cntrs.link_error_recovery_counter;
+       idev->z_link_downed_counter = cntrs.link_downed_counter;
+       idev->z_port_rcv_errors = cntrs.port_rcv_errors;
+       idev->z_port_rcv_remphys_errors =
+               cntrs.port_rcv_remphys_errors;
+       idev->z_port_xmit_discards = cntrs.port_xmit_discards;
+       idev->z_port_xmit_data = cntrs.port_xmit_data;
+       idev->z_port_rcv_data = cntrs.port_rcv_data;
+       idev->z_port_xmit_packets = cntrs.port_xmit_packets;
+       idev->z_port_rcv_packets = cntrs.port_rcv_packets;
+       idev->z_local_link_integrity_errors =
+               cntrs.local_link_integrity_errors;
+       idev->z_excessive_buffer_overrun_errors =
+               cntrs.excessive_buffer_overrun_errors;
+
        /*
         * The system image GUID is supposed to be the same for all
         * IB HCAs in a single system but since there can be other