From patchwork Mon Dec 7 21:06:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Pismenny X-Patchwork-Id: 1412206 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4CqbVw27f7z9sVn for ; Tue, 8 Dec 2020 08:07:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727470AbgLGVHv (ORCPT ); Mon, 7 Dec 2020 16:07:51 -0500 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:45833 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727070AbgLGVHt (ORCPT ); Mon, 7 Dec 2020 16:07:49 -0500 Received: from Internal Mail-Server by MTLPINE1 (envelope-from borisp@mellanox.com) with SMTP; 7 Dec 2020 23:06:53 +0200 Received: from gen-l-vrt-133.mtl.labs.mlnx. (gen-l-vrt-133.mtl.labs.mlnx [10.237.11.160]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 0B7L6qII029788; Mon, 7 Dec 2020 23:06:53 +0200 From: Boris Pismenny To: kuba@kernel.org, davem@davemloft.net, saeedm@nvidia.com, hch@lst.de, sagi@grimberg.me, axboe@fb.com, kbusch@kernel.org, viro@zeniv.linux.org.uk, edumazet@google.com Cc: boris.pismenny@gmail.com, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, benishay@nvidia.com, ogerlitz@nvidia.com, yorayz@nvidia.com, Or Gerlitz , Yoray Zack Subject: [PATCH v1 net-next 10/15] net/mlx5: Add 128B CQE for NVMEoTCP offload Date: Mon, 7 Dec 2020 23:06:44 +0200 Message-Id: <20201207210649.19194-11-borisp@mellanox.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20201207210649.19194-1-borisp@mellanox.com> References: <20201207210649.19194-1-borisp@mellanox.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ben Ben-ishay Add the NVMEoTCP offload definition and access functions for 128B cookies. Signed-off-by: Ben Ben-ishay Signed-off-by: Boris Pismenny Signed-off-by: Or Gerlitz Signed-off-by: Yoray Zack --- include/linux/mlx5/device.h | 35 ++++++++++++++++++++++++++++++++++- 1 file changed, 34 insertions(+), 1 deletion(-) diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 4433ff213d32..ea4d158e8329 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -791,7 +791,7 @@ struct mlx5_err_cqe { struct mlx5_cqe64 { u8 tls_outer_l3_tunneled; - u8 rsvd0; + u8 nvmetcp; __be16 wqe_id; u8 lro_tcppsh_abort_dupack; u8 lro_min_ttl; @@ -824,6 +824,19 @@ struct mlx5_cqe64 { u8 op_own; }; +struct mlx5e_cqe128 { + __be16 cclen; + __be16 hlen; + union { + __be32 resync_tcp_sn; + __be32 ccoff; + }; + __be16 ccid; + __be16 rsvd8; + u8 rsvd12[52]; + struct mlx5_cqe64 cqe64; +}; + struct mlx5_mini_cqe8 { union { __be32 rx_hash_result; @@ -854,6 +867,26 @@ enum { #define MLX5_MINI_CQE_ARRAY_SIZE 8 +static inline bool cqe_is_nvmeotcp_resync(struct mlx5_cqe64 *cqe) +{ + return ((cqe->nvmetcp >> 6) & 0x1); +} + +static inline bool cqe_is_nvmeotcp_crcvalid(struct mlx5_cqe64 *cqe) +{ + return ((cqe->nvmetcp >> 5) & 0x1); +} + +static inline bool cqe_is_nvmeotcp_zc(struct mlx5_cqe64 *cqe) +{ + return ((cqe->nvmetcp >> 4) & 0x1); +} + +static inline bool cqe_is_nvmeotcp_zc_or_resync(struct mlx5_cqe64 *cqe) +{ + return ((cqe->nvmetcp >> 4) & 0x5); +} + static inline u8 mlx5_get_cqe_format(struct mlx5_cqe64 *cqe) { return (cqe->op_own >> 2) & 0x3;