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b=kxE15vawP21eIesh+/kd7kJTBZ70UCXIppWuBBV0T6cTfOq65uCIGlZrpdY8Y4otJijL+EGJ+65+3z0eOoAPE2xot0F6ykxwln4HtgLuIX/cbNMLxHLZTPfkIuGGJiQVUIL/8UYSkqkJLBV7dbdaJT5T55iqV3nFsiSjUm7kvQWrGpViMEfD4u/JhFXoVjOoim3htSGD9r9RXPy9qr4aXSadfXgG70/kgFUnG61m6OTeiTzNoauTGumXCKiv0X6x+IvPjAmFfLINhxtYN/XabavG/HXJK6lFit3oXWWaDDThK4131GhAjoqsOipEPrSUiSCa1oOVpBHARGeQ6DQqHw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from PAXPR04MB8510.eurprd04.prod.outlook.com (2603:10a6:102:211::7) by GV1PR04MB10242.eurprd04.prod.outlook.com (2603:10a6:150:1a8::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7982.16; Thu, 19 Sep 2024 08:56:21 +0000 Received: from PAXPR04MB8510.eurprd04.prod.outlook.com ([fe80::a7c2:e2fa:8e04:40db]) by PAXPR04MB8510.eurprd04.prod.outlook.com ([fe80::a7c2:e2fa:8e04:40db%6]) with mapi id 15.20.7918.024; Thu, 19 Sep 2024 08:56:21 +0000 From: Wei Fang To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, claudiu.manoil@nxp.com, vladimir.oltean@nxp.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, stable@vger.kernel.org, imx@lists.linux.dev Subject: [PATCH net 1/3] net: enetc: remove xdp_drops statistic from enetc_xdp_drop() Date: Thu, 19 Sep 2024 16:41:02 +0800 Message-Id: <20240919084104.661180-2-wei.fang@nxp.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240919084104.661180-1-wei.fang@nxp.com> References: <20240919084104.661180-1-wei.fang@nxp.com> X-ClientProxiedBy: SI1PR02CA0005.apcprd02.prod.outlook.com (2603:1096:4:1f7::13) To PAXPR04MB8510.eurprd04.prod.outlook.com (2603:10a6:102:211::7) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXPR04MB8510:EE_|GV1PR04MB10242:EE_ X-MS-Office365-Filtering-Correlation-Id: 031a7fc0-2afb-4da6-a75f-08dcd888eea6 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|52116014|366016|1800799024|7416014|38350700014|921020; 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However, enetc_xdp_drop() is also used in XDP_TX and XDP_REDIRECT actions. If frame loss occurs in these two actions, the frames loss count should not be included in xdp_drops, because there are already xdp_tx_drops and xdp_redirect_failures to count the frame loss of these two actions, so it's better to remove xdp_drops statistic from enetc_xdp_drop() and increase xdp_drops in XDP_DROP action. Fixes: 7ed2bc80074e ("net: enetc: add support for XDP_TX") Signed-off-by: Wei Fang --- drivers/net/ethernet/freescale/enetc/enetc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index 032d8eadd003..56e59721ec7d 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -1521,7 +1521,6 @@ static void enetc_xdp_drop(struct enetc_bdr *rx_ring, int rx_ring_first, &rx_ring->rx_swbd[rx_ring_first]); enetc_bdr_idx_inc(rx_ring, &rx_ring_first); } - rx_ring->stats.xdp_drops++; } static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, @@ -1586,6 +1585,7 @@ static int enetc_clean_rx_ring_xdp(struct enetc_bdr *rx_ring, fallthrough; case XDP_DROP: enetc_xdp_drop(rx_ring, orig_i, i); + rx_ring->stats.xdp_drops++; break; case XDP_PASS: rxbd = orig_rxbd;