From: Yeounsu Moon <yyyynoom@gmail.com>
To: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: Yeounsu Moon <yyyynoom@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net-next] net: dlink: count dropped packets on skb allocation failure
Date: Wed, 10 Sep 2025 14:48:37 +0900 [thread overview]
Message-ID: <20250910054836.6599-2-yyyynoom@gmail.com> (raw)
Track dropped packet statistics when skb allocation fails
in the receive path.
Tested-on: D-Link DGE-550T Rev-A3
Signed-off-by: Yeounsu Moon <yyyynoom@gmail.com>
---
drivers/net/ethernet/dlink/dl2k.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index 6bbf6e5584e5..47d9eef2e725 100644
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -1009,6 +1009,7 @@ receive_packet (struct net_device *dev)
skb = netdev_alloc_skb_ip_align(dev, np->rx_buf_sz);
if (skb == NULL) {
np->rx_ring[entry].fraginfo = 0;
+ dev->stats.rx_dropped++;
printk (KERN_INFO
"%s: receive_packet: "
"Unable to re-allocate Rx skbuff.#%d\n",
--
2.51.0
next reply other threads:[~2025-09-10 5:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-10 5:48 Yeounsu Moon [this message]
2025-09-11 17:02 ` [PATCH net-next] net: dlink: count dropped packets on skb allocation failure Simon Horman
2025-09-12 9:27 ` Yeounsu Moon
2025-09-12 0:08 ` Jakub Kicinski
2025-09-12 10:03 ` Yeounsu Moon
2025-09-12 14:35 ` Jakub Kicinski
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