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(gen-l-vrt-133.mtl.labs.mlnx [10.237.11.160]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id 111A5C04029353; Mon, 1 Feb 2021 12:05:13 +0200 From: Boris Pismenny To: dsahern@gmail.com, 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, smalin@marvell.com Subject: [PATCH v3 net-next 11/21] net/mlx5: Add 128B CQE for NVMEoTCP offload Date: Mon, 1 Feb 2021 12:04:59 +0200 Message-Id: <20210201100509.27351-12-borisp@mellanox.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20210201100509.27351-1-borisp@mellanox.com> References: <20210201100509.27351-1-borisp@mellanox.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210201_050520_267304_BF27EEBD X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yoray Zack , yorayz@nvidia.com, boris.pismenny@gmail.com, benishay@nvidia.com, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, Or Gerlitz , ogerlitz@nvidia.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Ben Ben-ishay Add the NVMEoTCP offload definition and access functions for 128B CQEs. 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 | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index ab04959188b9..f6548c255290 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 +867,27 @@ 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); +} + +/* check if cqe is zc or crc or resync */ +static inline bool cqe_is_nvmeotcp(struct mlx5_cqe64 *cqe) +{ + return ((cqe->nvmetcp >> 4) & 0x7); +} + static inline u8 mlx5_get_cqe_format(struct mlx5_cqe64 *cqe) { return (cqe->op_own >> 2) & 0x3; -- 2.24.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme