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From: Boris Pismenny <borisp@mellanox.com>
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
Cc: Yoray Zack <yorayz@mellanox.com>,
	yorayz@nvidia.com, boris.pismenny@gmail.com, benishay@nvidia.com,
	linux-nvme@lists.infradead.org, netdev@vger.kernel.org,
	Or Gerlitz <ogerlitz@mellanox.com>,
	ogerlitz@nvidia.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	[thread overview]
Message-ID: <20210201100509.27351-12-borisp@mellanox.com> (raw)
In-Reply-To: <20210201100509.27351-1-borisp@mellanox.com>

From: Ben Ben-ishay <benishay@nvidia.com>

Add the NVMEoTCP offload definition and access functions for 128B CQEs.

Signed-off-by: Ben Ben-ishay <benishay@nvidia.com>
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Yoray Zack <yorayz@mellanox.com>
---
 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


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  parent reply	other threads:[~2021-02-01 10:14 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-01 10:04 [PATCH v3 net-next 00/21] nvme-tcp receive offloads Boris Pismenny
2021-02-01 10:04 ` [PATCH v3 net-next 01/21] iov_iter: Introduce new procedures for copy to iter/pages Boris Pismenny
2021-02-01 17:35   ` Christoph Hellwig
2021-02-02 18:00     ` Or Gerlitz
2021-02-03 16:56       ` Christoph Hellwig
2021-02-03 19:34         ` Ira Weiny
2021-02-07 14:13           ` Boris Pismenny
2021-02-07 14:24         ` Boris Pismenny
2021-02-01 10:04 ` [PATCH v3 net-next 02/21] net: Introduce direct data placement tcp offload Boris Pismenny
2021-02-02 10:06   ` Tom Parkin
2021-02-01 10:04 ` [PATCH v3 net-next 03/21] net: Introduce crc offload for tcp ddp ulp Boris Pismenny
2021-02-01 10:04 ` [PATCH v3 net-next 04/21] net: SKB copy(+hash) iterators for DDP offloads Boris Pismenny
2021-02-01 10:04 ` [PATCH v3 net-next 05/21] net/tls: expose get_netdev_for_sock Boris Pismenny
2021-02-01 10:04 ` [PATCH v3 net-next 06/21] nvme-tcp: Add DDP offload control path Boris Pismenny
2021-02-01 17:37   ` Christoph Hellwig
2021-02-02 18:09     ` Or Gerlitz
2021-02-03  9:17   ` Sagi Grimberg
2021-02-01 10:04 ` [PATCH v3 net-next 07/21] nvme-tcp: Add DDP data-path Boris Pismenny
2021-02-01 17:37   ` Christoph Hellwig
2021-02-02 18:14     ` Or Gerlitz
2021-02-03  8:56       ` Sagi Grimberg
2021-02-03 10:02         ` Christoph Hellwig
2021-02-03 10:21           ` Sagi Grimberg
2021-02-03  8:51   ` Sagi Grimberg
2021-02-04 19:20     ` Or Gerlitz
2021-02-01 10:04 ` [PATCH v3 net-next 08/21] nvme-tcp : Recalculate crc in the end of the capsule Boris Pismenny
2021-02-03  9:06   ` Sagi Grimberg
2021-02-04 18:36     ` Or Gerlitz
2021-02-07 16:40     ` Or Gerlitz
2021-02-01 10:04 ` [PATCH v3 net-next 09/21] nvme-tcp: Deal with netdevice DOWN events Boris Pismenny
2021-02-03  9:09   ` Sagi Grimberg
2021-02-04 18:29     ` Or Gerlitz
2021-02-01 10:04 ` [PATCH v3 net-next 10/21] net/mlx5: Header file changes for nvme-tcp offload Boris Pismenny
2021-02-01 10:04 ` Boris Pismenny [this message]
2021-02-01 10:05 ` [PATCH v3 net-next 12/21] net/mlx5e: TCP flow steering for nvme-tcp Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 13/21] net/mlx5e: NVMEoTCP offload initialization Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 14/21] net/mlx5e: KLM UMR helper macros Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 15/21] net/mlx5e: NVMEoTCP use KLM UMRs Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 16/21] net/mlx5e: NVMEoTCP queue init/teardown Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 17/21] net/mlx5e: NVMEoTCP async ddp invalidation Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 18/21] net/mlx5e: NVMEoTCP ddp setup and resync Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 19/21] net/mlx5e: NVMEoTCP, data-path for DDP+CRC offload Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 20/21] net/mlx5e: NVMEoTCP statistics Boris Pismenny
2021-02-01 10:05 ` [PATCH v3 net-next 21/21] Documentation: add TCP DDP offload documentation Boris Pismenny

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