[PATCH 5.15 419/917] gve: Track RX buffer allocation failures

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From: Catherine Sullivan <csully@xxxxxxxxxx>

[ Upstream commit 1b4d1c9bab091ac6e20a3ff80c30c5cefe192bf4 ]

The rx_buf_alloc_fail counter wasn't getting updated.

Fixes: 433e274b8f7b0 ("gve: Add stats for gve.")
Signed-off-by: Catherine Sullivan <csully@xxxxxxxxxx>
Signed-off-by: Jeroen de Borst <jeroendb@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/ethernet/google/gve/gve_rx.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c
index 94941d4e47449..16169f291ad9f 100644
--- a/drivers/net/ethernet/google/gve/gve_rx.c
+++ b/drivers/net/ethernet/google/gve/gve_rx.c
@@ -514,8 +514,13 @@ 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++;
-- 
2.33.0






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