gve: Track RX buffer allocation failures

The rx_buf_alloc_fail counter wasn't getting updated.

Fixes: 433e274b8f7b0 ("gve: Add stats for gve.")
Signed-off-by: Catherine Sullivan <csully@google.com>
Signed-off-by: Jeroen de Borst <jeroendb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 98ba981cd53461363033327af4ac89268de4d3c8..95bc4d8a181125ba2a39f15ddfa48914bea7fc62 100644 (file)
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -532,8 +532,13 @@ static bool gve_rx_refill_buffers(struct gve_priv *priv, struct gve_rx_ring *rx)
 
                                gve_rx_free_buffer(dev, page_info, data_slot);
                                page_info->page = NULL;
-                               if (gve_rx_alloc_buffer(priv, dev, page_info, data_slot))
+                               if (gve_rx_alloc_buffer(priv, dev, page_info,
+                                                       data_slot)) {
+                                       u64_stats_update_begin(&rx->statss);
+                                       rx->rx_buf_alloc_fail++;
+                                       u64_stats_update_end(&rx->statss);
                                        break;
+                               }
                        }
                }
                fill_cnt++;