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path: root/drivers/net/sfc/sfc_port.c
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Diffstat (limited to 'drivers/net/sfc/sfc_port.c')
-rw-r--r--drivers/net/sfc/sfc_port.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c
index ee96bcde..87affc95 100644
--- a/drivers/net/sfc/sfc_port.c
+++ b/drivers/net/sfc/sfc_port.c
@@ -242,6 +242,18 @@ sfc_port_start(struct sfc_adapter *sa)
}
}
+ if ((port->mac_stats_update_period_ms != 0) &&
+ port->mac_stats_periodic_dma_supported) {
+ /*
+ * Request an explicit MAC stats upload immediately to
+ * preclude bogus figures readback if the user decides
+ * to read stats before periodic DMA is really started
+ */
+ rc = efx_mac_stats_upload(sa->nic, &port->mac_stats_dma_mem);
+ if (rc != 0)
+ goto fail_mac_stats_upload;
+ }
+
sfc_log_init(sa, "disable MAC drain");
rc = efx_mac_drain(sa->nic, B_FALSE);
if (rc != 0)
@@ -262,6 +274,7 @@ fail_mac_drain:
(void)efx_mac_stats_periodic(sa->nic, &port->mac_stats_dma_mem,
0, B_FALSE);
+fail_mac_stats_upload:
fail_mac_stats_periodic:
fail_mcast_address_list_set:
fail_mac_filter_set: