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Miller" , netdev@vger.kernel.org Subject: [PATCH] stating: octeon: Drop on uncorrectable alignment or FCS error Date: Fri, 9 Oct 2020 11:46:05 +0200 Message-Id: <20201009094605.1525-2-alexander.sverdlin@nokia.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20201009094605.1525-1-alexander.sverdlin@nokia.com> References: <20201009094605.1525-1-alexander.sverdlin@nokia.com> X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email MIME-Version: 1.0 X-MS-Office365-Filtering-Correlation-Id: 979a7b88-4376-442e-ae8b-08d86c383372 X-MS-TrafficTypeDiagnostic: PR1PR07MB5097: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:7219; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: kAJ6imAmiFYhpdlVFNJ89QemEjqLSeaEbr1BRETf2SUB4zcyq4KXTZtX8WYebSxwBQmb7VqcYt/wFOI7CfZqpYjm1uU3wJA9a+YMxu6384djyg89VpYaYn4EtjevHb5SMTaYNfhOs5eLPVLP+a5EqhmgsoihcAYVe8hFWqB+NGwY0Vwpp05ec61adKu0keHPr4bj4QH/GcNGBkgeFOuHkp+LCULkPVfXhzFeM1J2PJqNjXvagxTmzf+So8KydvheV1XqL4mNRMsbCcyxmZ0gLGTDwaqNvLmJW0NtrYCzutQ9zb8PVn9HeABAo4GciGAlJvmQVrkRC3PaUFBPEgta6FGKo+rZW32BPpsXkJk5nPfjewnYYiGdj/HFEjkpBJU3XKtTSZxOB2tQwt8gVsEzzNqRCcM3QmdmPL8I1Zy9pVQCD1LqmJbw0r1ZJevDEKNS X-Forefront-Antispam-Report: CIP:131.228.2.17;CTRY:FI;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:fihe3nok0735.emea.nsn-net.net;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(39860400002)(346002)(136003)(376002)(396003)(46966005)(70586007)(6666004)(8676002)(70206006)(5660300002)(47076004)(316002)(6916009)(83380400001)(336012)(54906003)(356005)(2616005)(81166007)(36756003)(86362001)(1076003)(478600001)(2906002)(82310400003)(82740400003)(34070700002)(4326008)(186003)(26005)(8936002);DIR:OUT;SFP:1102; X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Oct 2020 09:46:30.9087 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 979a7b88-4376-442e-ae8b-08d86c383372 X-MS-Exchange-CrossTenant-Id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5d471751-9675-428d-917b-70f44f9630b0;Ip=[131.228.2.17];Helo=[fihe3nok0735.emea.nsn-net.net] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR03FT049.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR1PR07MB5097 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Alexander Sverdlin Currently in case of alignment or FCS error if the packet cannot be corrected it's still not dropped. Report the error properly and drop the packet while making the code around a little bit more readable. Signed-off-by: Alexander Sverdlin Fixes: 80ff0fd3ab ("Staging: Add octeon-ethernet driver files.") Change-Id: Ie1fadcc57cb5e221cf3e83c169b53a5533b8edff --- drivers/staging/octeon/ethernet-rx.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c index 2c16230..b22f7be 100644 --- a/drivers/staging/octeon/ethernet-rx.c +++ b/drivers/staging/octeon/ethernet-rx.c @@ -69,14 +69,16 @@ static inline int cvm_oct_check_rcv_error(struct cvmx_wqe *work) else port = work->word1.cn38xx.ipprt; - if ((work->word2.snoip.err_code == 10) && (work->word1.len <= 64)) { + if ((work->word2.snoip.err_code == 10) && (work->word1.len <= 64)) /* * Ignore length errors on min size packets. Some * equipment incorrectly pads packets to 64+4FCS * instead of 60+4FCS. Note these packets still get * counted as frame errors. */ - } else if (work->word2.snoip.err_code == 5 || + return 0; + + if (work->word2.snoip.err_code == 5 || work->word2.snoip.err_code == 7) { /* * We received a packet with either an alignment error @@ -125,14 +127,12 @@ static inline int cvm_oct_check_rcv_error(struct cvmx_wqe *work) return 1; } } - } else { - printk_ratelimited("Port %d receive error code %d, packet dropped\n", - port, work->word2.snoip.err_code); - cvm_oct_free_work(work); - return 1; } - return 0; + printk_ratelimited("Port %d receive error code %d, packet dropped\n", + port, work->word2.snoip.err_code); + cvm_oct_free_work(work); + return 1; } static void copy_segments_to_skb(struct cvmx_wqe *work, struct sk_buff *skb)