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Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Tariq Toukan , Maxim Mikityanskiy , Saeed Mahameed Subject: [net-next V2 13/15] net/mlx5e: RX, Avoid indirect call in representor CQE handling Date: Thu, 16 Jul 2020 17:04:08 -0700 Message-Id: <20200717000410.55600-14-saeedm@mellanox.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200717000410.55600-1-saeedm@mellanox.com> References: <20200717000410.55600-1-saeedm@mellanox.com> X-ClientProxiedBy: BYAPR05CA0008.namprd05.prod.outlook.com (2603:10b6:a03:c0::21) To VI1PR05MB5102.eurprd05.prod.outlook.com (2603:10a6:803:5e::23) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from smtp.office365.com (73.15.39.150) by BYAPR05CA0008.namprd05.prod.outlook.com (2603:10b6:a03:c0::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3195.9 via Frontend Transport; Fri, 17 Jul 2020 00:04:59 +0000 X-Mailer: git-send-email 2.26.2 X-Originating-IP: [73.15.39.150] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 07e72a5b-8266-46d5-5386-08d829e50ce2 X-MS-TrafficTypeDiagnostic: VI1PR0502MB3710: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3968; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: OzAOjH84QVa3QCPkkzYuWqUeVSAyOUbz5yhh1PzX7C9xG5A6pDJUwqz+n3BhTbzjJmUMc+PBK5hAJkcBOeHP1LBJenSbE3ZQr0XaoHiBT7vkMhhuthid9VGqu9sWMH0KR6pyCXM97FsBX6GEgNUwDoJ69Qld9KDTUnOvFvVZEGVRv3BFz0KexdlbQoQ1GQOnXj1afqMGnB6PsGU0P0Eqh6/SoWyfW6TojdDQLxzElffR8MuIIFejSGJOpPGPEinSvt16Ihzx01uLW049gCV6ccp7KzLFy/3ACouhCjXzvvnxsjilfl22AwLhC1BOoCFx09KCoA2Vqb6pcrbNHr6fQSVXKGAPp9tsDHbWsEfDCEZfpSUrybS8A4r4eJh5XJAo X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:VI1PR05MB5102.eurprd05.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(366004)(136003)(39860400002)(396003)(346002)(376002)(2616005)(316002)(6666004)(16526019)(956004)(2906002)(478600001)(8676002)(6506007)(186003)(26005)(36756003)(52116002)(5660300002)(6512007)(6486002)(83380400001)(4326008)(54906003)(1076003)(66946007)(66476007)(107886003)(86362001)(8936002)(66556008)(110136005)(54420400002);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: XOXCZNsalJsC/dQ4oKIvM+N1FdnhKKL9ab9wG8F7QbNYmpiz5z1BCyGGAlB9TDJRMBcXbfgsIDkLrtqFaaPOl1mmaCVonrkMl7ULVCPdpZkjMFYfRZ1q1niYZhZ3Ne9A+oUVJFuMPDwUlF2+nK3zOChpGEgDGg4N+KCmOY4qCYYSbKR3h2Il/saEEP1uL93ZAkvyQ/g0I7/IuiMyv+QzuREDzwopSkuZIN8MZe95m9cmKkO068U4ol40uVlQYnB9kLZg29rcGl+NdFJB9GEGTDR5Fmw/IwmTOv2FV7HUDvwbQQVfSfoT1W6DSSh2l0toIDOZQrcpk52tK8s43AEB/61y8QGxLXT3p+dQGWEPfSv7ZXSfwdlC4Viw+ToW//Ik0sRV1a+5HGCT4nPaf5cCODCt4imZY3iru0nleiOGX5KSRXw2Rj83KO2y/nwav74IANx5+DOC6FUgGerCa7iu+DQbF09yqbYMiew34du90lE= X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 07e72a5b-8266-46d5-5386-08d829e50ce2 X-MS-Exchange-CrossTenant-AuthSource: VI1PR05MB5102.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2020 00:05:01.7981 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 9oFUS4gULH7hJ9uL7RDsPyc7ykiMzRdJ8oeWi9l4x2/myt6TepL/B02SMWaEzFaGMSW7Q+djSYKCO7I0YbdpwQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0502MB3710 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Tariq Toukan Use INDIRECT_CALL_2() helper to avoid the cost of the indirect call when/if CONFIG_RETPOLINE=y. Signed-off-by: Tariq Toukan Reviewed-by: Maxim Mikityanskiy Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 8b24e44f860a8..74860f3827b1a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1266,7 +1266,10 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe) goto free_wqe; } - skb = rq->wqe.skb_from_cqe(rq, cqe, wi, cqe_bcnt); + skb = INDIRECT_CALL_2(rq->wqe.skb_from_cqe, + mlx5e_skb_from_cqe_linear, + mlx5e_skb_from_cqe_nonlinear, + rq, cqe, wi, cqe_bcnt); if (!skb) { /* probably for XDP */ if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) {