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Thu, 14 May 2026 04:10:57 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Boris Pismenny , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , "Mark Bloch" , Alexei Starovoitov , "Daniel Borkmann" , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Shahar Shitrit , William Tu , Kuniyuki Iwashima , Dragos Tatulea , Sabrina Dubroca , Kees Cook , , , , , Gal Pressman Subject: [PATCH net-next 1/2] net/mlx5e: Reduce branches in napi poll Date: Thu, 14 May 2026 14:10:37 +0300 Message-ID: <20260514111038.338251-2-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260514111038.338251-1-tariqt@nvidia.com> References: <20260514111038.338251-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF000023D6:EE_|DS0PR12MB7827:EE_ X-MS-Office365-Filtering-Correlation-Id: fe1f7f8f-34d5-4051-994c-08deb1a98345 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|36860700016|376014|7416014|18002099003|22082099003|56012099003|11063799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(82310400026)(1800799024)(36860700016)(376014)(7416014)(18002099003)(22082099003)(56012099003)(11063799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 1iKc/WrgS24OcGznZFVlWx1Zd+qxELtpLvWxpZDeLFIFFhsJGGwwFso+FwUr8QKKCTzZopgW40F5hHNEr9+R6ciFU9maFfOE14x+KZhvYjERA5reC2XY+qnIg1oeKPLH5SjoMQgmAsIJ/5DUnDMYDK47g6xeoQRukrlyGlAr4zvRj2fy/ZEHS0r0rRUPHpfauP9a5lVg57U3ImCpHxTfpb6DUEaCJYhCS0U/1ibu0H96TcFnXQND6MfLZ05wVcaD0l7Atk7lCw32yeCbxRFYkxZE8thoA8g+7GRZNYpwFFrLNSt8NypcXhcK38Y+6+1WuyTl6rcRb3D02SDjebRkLTAnnPQqC38KtEniPSxK1yBDmbLqJ79PKw4p6LZbOrZLikItUKACyjgSqKmoDFxChmtWUctmAB3oTRiDwh3nEiA/rNpMPDep+aw1+nZ71Xca X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 May 2026 11:11:14.2812 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: fe1f7f8f-34d5-4051-994c-08deb1a98345 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF000023D6.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7827 Content-Type: text/plain; charset="utf-8" Reduce the number of branches in napi poll, based on the following list of dependencies: 1. xsk_open=3Dt only if c->xdp and c->async_icosq. 2. c->xdpsq only if c->xdp. 3. c->xdp implies c->async_icosq. 4. ktls_rx_was_enabled implies c->async_icosq. Signed-off-by: Tariq Toukan Reviewed-by: Dragos Tatulea --- .../net/ethernet/mellanox/mlx5/core/en_txrx.c | 30 +++++++++---------- 1 file changed, 15 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/en_txrx.c index b31f689fe271..8df5bc5d0537 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -166,14 +166,13 @@ int mlx5e_napi_poll(struct napi_struct *napi, int bud= get) if (unlikely(!budget)) goto out; =20 - if (c->xdpsq) - busy |=3D mlx5e_poll_xdpsq_cq(&c->xdpsq->cq); - - if (c->xdp) + if (c->xdp) { + if (c->xdpsq) + busy |=3D mlx5e_poll_xdpsq_cq(&c->xdpsq->cq); busy |=3D mlx5e_poll_xdpsq_cq(&c->rq_xdpsq.cq); - - if (xsk_open) - work_done =3D mlx5e_poll_rx_cq(&xskrq->cq, budget); + if (xsk_open) + work_done +=3D mlx5e_poll_rx_cq(&xskrq->cq, budget); + } =20 if (likely(budget - work_done)) work_done +=3D mlx5e_poll_rx_cq(&rq->cq, budget - work_done); @@ -192,18 +191,19 @@ int mlx5e_napi_poll(struct napi_struct *napi, int bud= get) /* Keep after async ICOSQ CQ poll */ if (unlikely(mlx5e_ktls_rx_pending_resync_list(c, budget))) busy |=3D mlx5e_ktls_rx_handle_resync_list(c, budget); + + if (xsk_open) { + busy |=3D mlx5e_poll_xdpsq_cq(&xsksq->cq); + busy_xsk |=3D mlx5e_napi_xsk_post(xsksq, xskrq); + + busy |=3D busy_xsk; + } } =20 busy |=3D INDIRECT_CALL_2(rq->post_wqes, mlx5e_post_rx_mpwqes, mlx5e_post_rx_wqes, rq); - if (xsk_open) { - busy |=3D mlx5e_poll_xdpsq_cq(&xsksq->cq); - busy_xsk |=3D mlx5e_napi_xsk_post(xsksq, xskrq); - } - - busy |=3D busy_xsk; =20 if (busy) { if (likely(mlx5e_channel_no_affinity_change(c))) { @@ -247,9 +247,9 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budge= t) mlx5e_cq_arm(&xsksq->cq); mlx5e_cq_arm(&xskrq->cq); } + if (c->xdpsq) + mlx5e_cq_arm(&c->xdpsq->cq); } - if (c->xdpsq) - mlx5e_cq_arm(&c->xdpsq->cq); =20 if (unlikely(aff_change && busy_xsk)) { mlx5e_trigger_irq(&c->icosq); --=20 2.44.0 From nobody Fri Jun 12 14:17:41 2026 Received: from SA9PR02CU001.outbound.protection.outlook.com (mail-southcentralusazon11013030.outbound.protection.outlook.com [40.93.196.30]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D76143BF69C; 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Miller" CC: Boris Pismenny , Saeed Mahameed , Leon Romanovsky , Tariq Toukan , "Mark Bloch" , Alexei Starovoitov , "Daniel Borkmann" , Jesper Dangaard Brouer , John Fastabend , Stanislav Fomichev , Shahar Shitrit , William Tu , Kuniyuki Iwashima , Dragos Tatulea , Sabrina Dubroca , Kees Cook , , , , , Gal Pressman Subject: [PATCH net-next 2/2] net/mlx5e: Let kTLS RX get async ICOSQ param in napi poll Date: Thu, 14 May 2026 14:10:38 +0300 Message-ID: <20260514111038.338251-3-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260514111038.338251-1-tariqt@nvidia.com> References: <20260514111038.338251-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001D0:EE_|DS0PR12MB7656:EE_ X-MS-Office365-Filtering-Correlation-Id: 71baa17a-dc11-4eec-b2e3-08deb1a98a5d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|7416014|376014|82310400026|1800799024|22082099003|18002099003|56012099003|11063799003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(36860700016)(7416014)(376014)(82310400026)(1800799024)(22082099003)(18002099003)(56012099003)(11063799003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: l/PIydQMP7sDXLAtXCKb902rU9yRmsDjmJ1t9jNWnId4FWTVTmct0ulWryHRYxT/rILnTmqdwBYFmPc2iuayxjAzVEeaK9StDePT9K1HF7+4KBT2Dc1ZRelqwvq2dY+KDoGuO1tChKX2y+EvjuOHUdeWFl9cp479h7LwToSzc496yO3Mz+xi2Nx8gHBhlCAlGtPHD05OKmY9piRCkFMzqL7wXku4XOeTBXmepkGR0LX/ZARCeN3ybheCeM4P/lhApWYgqvVQ0Isy8JVAPOK9k5McPQDgCqS1RZuQsahvBQWAEX5sw8oMoZdmWXKTYQf/mHfRfkWj//EigSyAQDGPQEZARg/592gKXss1hTp/SGlH5CcMu1NLj7OUJ2UwZDEy0wQhmDIha/3/86JOOWfLRCqH1OyL3rv2JCUR/6sSwX1qTOp+4IRU3Fv/KKAEP6bu X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 May 2026 11:11:26.1840 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 71baa17a-dc11-4eec-b2e3-08deb1a98a5d X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001D0.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB7656 Content-Type: text/plain; charset="utf-8" Do not pass channel just to extract the async ICOSQ. It's already extracted, pass it. Re-order the checks in mlx5e_ktls_rx_pending_resync_list to optimize the common flow. Signed-off-by: Tariq Toukan Reviewed-by: Dragos Tatulea --- .../ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c | 5 +---- .../ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h | 12 ++++++------ drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c | 5 +++-- 3 files changed, 10 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c b/d= rivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c index ac8168ebb38c..bca45679e201 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c @@ -744,17 +744,14 @@ void mlx5e_ktls_del_rx(struct net_device *netdev, str= uct tls_context *tls_ctx) mlx5e_ktls_priv_rx_put(priv_rx); } =20 -bool mlx5e_ktls_rx_handle_resync_list(struct mlx5e_channel *c, int budget) +bool mlx5e_ktls_rx_handle_resync_list(struct mlx5e_icosq *sq, int budget) { struct mlx5e_ktls_offload_context_rx *priv_rx, *tmp; struct mlx5e_ktls_resync_resp *ktls_resync; struct mlx5_wqe_ctrl_seg *db_cseg; - struct mlx5e_icosq *sq; LIST_HEAD(local_list); int i, j; =20 - sq =3D c->async_icosq; - if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state))) return false; =20 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h b= /drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h index 4022c7e78a2e..93bd383a23d8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h @@ -45,13 +45,13 @@ mlx5e_ktls_tx_try_handle_resync_dump_comp(struct mlx5e_= txqsq *sq, return false; } =20 -bool mlx5e_ktls_rx_handle_resync_list(struct mlx5e_channel *c, int budget); +bool mlx5e_ktls_rx_handle_resync_list(struct mlx5e_icosq *sq, int budget); =20 static inline bool -mlx5e_ktls_rx_pending_resync_list(struct mlx5e_channel *c, int budget) +mlx5e_ktls_rx_pending_resync_list(struct mlx5e_icosq *sq, int budget) { - return budget && test_bit(MLX5E_SQ_STATE_PENDING_TLS_RX_RESYNC, - &c->async_icosq->state); + return test_bit(MLX5E_SQ_STATE_PENDING_TLS_RX_RESYNC, &sq->state) && + budget; } =20 static inline void @@ -70,13 +70,13 @@ mlx5e_ktls_tx_try_handle_resync_dump_comp(struct mlx5e_= txqsq *sq, } =20 static inline bool -mlx5e_ktls_rx_handle_resync_list(struct mlx5e_channel *c, int budget) +mlx5e_ktls_rx_handle_resync_list(struct mlx5e_icosq *sq, int budget) { return false; } =20 static inline bool -mlx5e_ktls_rx_pending_resync_list(struct mlx5e_channel *c, int budget) +mlx5e_ktls_rx_pending_resync_list(struct mlx5e_icosq *sq, int budget) { return false; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/ne= t/ethernet/mellanox/mlx5/core/en_txrx.c index 8df5bc5d0537..143890af516a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -189,8 +189,9 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budge= t) &aicosq->state); =20 /* Keep after async ICOSQ CQ poll */ - if (unlikely(mlx5e_ktls_rx_pending_resync_list(c, budget))) - busy |=3D mlx5e_ktls_rx_handle_resync_list(c, budget); + if (unlikely(mlx5e_ktls_rx_pending_resync_list(aicosq, budget))) + busy |=3D mlx5e_ktls_rx_handle_resync_list(aicosq, + budget); =20 if (xsk_open) { busy |=3D mlx5e_poll_xdpsq_cq(&xsksq->cq); --=20 2.44.0