linux-kernel - [PATCH] gve: Fix RX_BUFFERS_POSTED stat to report per-queue fill

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Message-ID: <20250527130830.1812903-1-alok.a.tiwari@oracle.com>
Date: Tue, 27 May 2025 06:08:16 -0700
From: Alok Tiwari <alok.a.tiwari@...cle.com>
To: ziweixiao@...gle.com, joshwash@...gle.com, willemb@...gle.com,
        pkaligineedi@...gle.com, pabeni@...hat.com, kuba@...nel.org,
        jeroendb@...gle.com, hramamurthy@...gle.com, andrew+netdev@...n.ch,
        davem@...emloft.net, edumazet@...gle.com, netdev@...r.kernel.org
Cc: alok.a.tiwari@...cle.com, linux-kernel@...r.kernel.org,
        darren.kenny@...cle.com
Subject: [PATCH] gve: Fix RX_BUFFERS_POSTED stat to report per-queue fill_cnt

Previously, the RX_BUFFERS_POSTED stat incorrectly reported the
fill_cnt from RX queue 0 for all queues, resulting in inaccurate
per-queue statistics.
Fix this by correctly indexing priv->rx[idx].fill_cnt for each RX queue.

Fixes: 24aeb56f2d38 ("gve: Add Gvnic stats AQ command and ethtool show/set-priv-flags.")
Signed-off-by: Alok Tiwari <alok.a.tiwari@...cle.com>
---
 drivers/net/ethernet/google/gve/gve_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index c3791cf23c87..d561d45021a5 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -2153,7 +2153,7 @@ void gve_handle_report_stats(struct gve_priv *priv)
 			};
 			stats[stats_idx++] = (struct stats) {
 				.stat_name = cpu_to_be32(RX_BUFFERS_POSTED),
-				.value = cpu_to_be64(priv->rx[0].fill_cnt),
+				.value = cpu_to_be64(priv->rx[idx].fill_cnt),
 				.queue_id = cpu_to_be32(idx),
 			};
 		}
-- 
2.47.1