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Miller" , Eric Dumazet , Paolo Abeni , , Saeed Mahameed , Gal Pressman , Tariq Toukan Subject: [PATCH net-next V3 4/6] net/mlx5e: kTLS, Take stats out of OOO handler Date: Wed, 27 Jul 2022 12:43:44 +0300 Message-ID: <20220727094346.10540-5-tariqt@nvidia.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20220727094346.10540-1-tariqt@nvidia.com> References: <20220727094346.10540-1-tariqt@nvidia.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3f944a5b-71b0-4e4d-c6b0-08da6fb493e5 X-MS-TrafficTypeDiagnostic: MN2PR12MB4469:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:12.22.5.235;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(346002)(396003)(39860400002)(376002)(136003)(46966006)(36840700001)(40470700004)(356005)(5660300002)(186003)(82740400003)(82310400005)(4326008)(86362001)(336012)(8936002)(1076003)(81166007)(36756003)(426003)(70586007)(6666004)(7696005)(26005)(36860700001)(47076005)(41300700001)(316002)(107886003)(2616005)(110136005)(83380400001)(478600001)(70206006)(40460700003)(8676002)(2906002)(54906003)(40480700001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 27 Jul 2022 09:44:19.0577 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3f944a5b-71b0-4e4d-c6b0-08da6fb493e5 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.235];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT036.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4469 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Let the caller of mlx5e_ktls_tx_handle_ooo() take care of updating the stats, according to the returned value. As the switch/case blocks are already there, this change saves unnecessary branches in the handler. Signed-off-by: Tariq Toukan Reviewed-by: Gal Pressman Signed-off-by: Saeed Mahameed --- .../mellanox/mlx5/core/en_accel/ktls_tx.c | 27 ++++++++----------- 1 file changed, 11 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c index 73ba2501e441..82281b1d7555 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c @@ -381,26 +381,17 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, int datalen, u32 seq) { - struct mlx5e_sq_stats *stats = sq->stats; enum mlx5e_ktls_sync_retval ret; struct tx_sync_info info = {}; - int i = 0; + int i; ret = tx_sync_info_get(priv_tx, seq, datalen, &info); - if (unlikely(ret != MLX5E_KTLS_SYNC_DONE)) { - if (ret == MLX5E_KTLS_SYNC_SKIP_NO_DATA) { - stats->tls_skip_no_sync_data++; - return MLX5E_KTLS_SYNC_SKIP_NO_DATA; - } - /* We might get here if a retransmission reaches the driver - * after the relevant record is acked. + if (unlikely(ret != MLX5E_KTLS_SYNC_DONE)) + /* We might get here with ret == FAIL if a retransmission + * reaches the driver after the relevant record is acked. * It should be safe to drop the packet in this case */ - stats->tls_drop_no_sync_data++; - goto err_out; - } - - stats->tls_ooo++; + return ret; tx_post_resync_params(sq, priv_tx, info.rcd_sn); @@ -412,7 +403,7 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx, return MLX5E_KTLS_SYNC_DONE; } - for (; i < info.nr_frags; i++) { + for (i = 0; i < info.nr_frags; i++) { unsigned int orig_fsz, frag_offset = 0, n = 0; skb_frag_t *f = &info.frags[i]; @@ -482,15 +473,19 @@ bool mlx5e_ktls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq, enum mlx5e_ktls_sync_retval ret = mlx5e_ktls_tx_handle_ooo(priv_tx, sq, datalen, seq); + stats->tls_ooo++; + switch (ret) { case MLX5E_KTLS_SYNC_DONE: break; case MLX5E_KTLS_SYNC_SKIP_NO_DATA: + stats->tls_skip_no_sync_data++; if (likely(!skb->decrypted)) goto out; WARN_ON_ONCE(1); - fallthrough; + goto err_out; case MLX5E_KTLS_SYNC_FAIL: + stats->tls_drop_no_sync_data++; goto err_out; } } -- 2.21.0