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From: Boris Pismenny <borisp@mellanox.com>
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, dsahern@gmail.com,
	smalin@marvell.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 <ogerlitz@mellanox.com>,
	Yoray Zack <yorayz@mellanox.com>
Subject: [PATCH v2 net-next 14/21] net/mlx5e: KLM UMR helper macros
Date: Thu, 14 Jan 2021 17:10:26 +0200	[thread overview]
Message-ID: <20210114151033.13020-15-borisp@mellanox.com> (raw)
In-Reply-To: <20210114151033.13020-1-borisp@mellanox.com>

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

Add helper macros for posting KLM UMR WQE.

Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Yoray Zack <yorayz@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index ff100c290b59..26259d68b98a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -152,6 +152,24 @@ struct page_pool;
 #define MLX5E_UMR_WQEBBS \
 	(DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB))
 
+#define KLM_ALIGNMENT 4
+#define MLX5E_KLM_UMR_WQE_SZ(sgl_len)\
+	(sizeof(struct mlx5e_umr_wqe) +\
+	(sizeof(struct mlx5_klm) * (sgl_len)))
+
+#define MLX5E_KLM_UMR_WQEBBS(sgl_len)\
+	(DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_BB))
+
+#define MLX5E_KLM_UMR_DS_CNT(sgl_len)\
+	DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_DS)
+
+#define MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size)\
+	(((wqe_size) - sizeof(struct mlx5e_umr_wqe)) / sizeof(struct mlx5_klm))
+
+#define MLX5E_KLM_ENTRIES_PER_WQE(wqe_size)\
+	(MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) -\
+			(MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) % KLM_ALIGNMENT))
+
 #define MLX5E_MSG_LEVEL			NETIF_MSG_LINK
 
 #define mlx5e_dbg(mlevel, priv, format, ...)                    \
-- 
2.24.1


WARNING: multiple messages have this Message-ID (diff)
From: Boris Pismenny <borisp@mellanox.com>
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, dsahern@gmail.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 v2 net-next 14/21] net/mlx5e: KLM UMR helper macros
Date: Thu, 14 Jan 2021 17:10:26 +0200	[thread overview]
Message-ID: <20210114151033.13020-15-borisp@mellanox.com> (raw)
In-Reply-To: <20210114151033.13020-1-borisp@mellanox.com>

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

Add helper macros for posting KLM UMR WQE.

Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: Ben Ben-Ishay <benishay@nvidia.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Yoray Zack <yorayz@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index ff100c290b59..26259d68b98a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -152,6 +152,24 @@ struct page_pool;
 #define MLX5E_UMR_WQEBBS \
 	(DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB))
 
+#define KLM_ALIGNMENT 4
+#define MLX5E_KLM_UMR_WQE_SZ(sgl_len)\
+	(sizeof(struct mlx5e_umr_wqe) +\
+	(sizeof(struct mlx5_klm) * (sgl_len)))
+
+#define MLX5E_KLM_UMR_WQEBBS(sgl_len)\
+	(DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_BB))
+
+#define MLX5E_KLM_UMR_DS_CNT(sgl_len)\
+	DIV_ROUND_UP(MLX5E_KLM_UMR_WQE_SZ(sgl_len), MLX5_SEND_WQE_DS)
+
+#define MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size)\
+	(((wqe_size) - sizeof(struct mlx5e_umr_wqe)) / sizeof(struct mlx5_klm))
+
+#define MLX5E_KLM_ENTRIES_PER_WQE(wqe_size)\
+	(MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) -\
+			(MLX5E_MAX_KLM_ENTRIES_PER_WQE(wqe_size) % KLM_ALIGNMENT))
+
 #define MLX5E_MSG_LEVEL			NETIF_MSG_LINK
 
 #define mlx5e_dbg(mlevel, priv, format, ...)                    \
-- 
2.24.1


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  parent reply	other threads:[~2021-01-14 15:12 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-14 15:10 [PATCH v2 net-next 00/21] nvme-tcp receive offloads Boris Pismenny
2021-01-14 15:10 ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 01/21] iov_iter: Introduce new procedures for copy to iter/pages Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 02/21] net: Introduce direct data placement tcp offload Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:57   ` Eric Dumazet
2021-01-14 15:57     ` Eric Dumazet
2021-01-14 20:19     ` Boris Pismenny
2021-01-14 20:19       ` Boris Pismenny
2021-01-14 20:43       ` Eric Dumazet
2021-01-14 20:43         ` Eric Dumazet
2021-01-31 10:40         ` Boris Pismenny
2021-01-31 10:40           ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 03/21] net: Introduce crc offload for tcp ddp ulp Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 04/21] net: SKB copy(+hash) iterators for DDP offloads Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 05/21] net/tls: expose get_netdev_for_sock Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 06/21] nvme-tcp: Add DDP offload control path Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-19  3:47   ` David Ahern
2021-01-19  3:47     ` David Ahern
2021-01-31  7:51     ` Boris Pismenny
2021-01-31  7:51       ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 07/21] nvme-tcp: Add DDP data-path Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-19  4:18   ` David Ahern
2021-01-19  4:18     ` David Ahern
2021-01-31  8:44     ` Boris Pismenny
2021-01-31  8:44       ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 08/21] nvme-tcp : Recalculate crc in the end of the capsule Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 09/21] nvme-tcp: Deal with netdevice DOWN events Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 10/21] net/mlx5: Header file changes for nvme-tcp offload Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 11/21] net/mlx5: Add 128B CQE for NVMEoTCP offload Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 12/21] net/mlx5e: TCP flow steering for nvme-tcp Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 13/21] net/mlx5e: NVMEoTCP offload initialization Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` Boris Pismenny [this message]
2021-01-14 15:10   ` [PATCH v2 net-next 14/21] net/mlx5e: KLM UMR helper macros Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 15/21] net/mlx5e: NVMEoTCP use KLM UMRs Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 16/21] net/mlx5e: NVMEoTCP queue init/teardown Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 17/21] net/mlx5e: NVMEoTCP async ddp invalidation Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 18/21] net/mlx5e: NVMEoTCP ddp setup and resync Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 19/21] net/mlx5e: NVMEoTCP, data-path for DDP offload Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-16  4:57   ` David Ahern
2021-01-16  4:57     ` David Ahern
2021-01-17  8:42     ` Boris Pismenny
2021-01-17  8:42       ` Boris Pismenny
2021-01-19  4:36       ` David Ahern
2021-01-19  4:36         ` David Ahern
2021-01-31  9:27         ` Boris Pismenny
2021-01-31  9:27           ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 20/21] net/mlx5e: NVMEoTCP statistics Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 21/21] Documentation: add TCP DDP offload documentation Boris Pismenny
2021-01-14 15:10   ` Boris Pismenny

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