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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
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 v1 net-next 10/15] net/mlx5: Add 128B CQE for NVMEoTCP offload
Date: Mon,  7 Dec 2020 23:06:44 +0200	[thread overview]
Message-ID: <20201207210649.19194-11-borisp@mellanox.com> (raw)
In-Reply-To: <20201207210649.19194-1-borisp@mellanox.com>

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

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

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 | 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;
-- 
2.24.1


  parent reply	other threads:[~2020-12-07 21:07 UTC|newest]

Thread overview: 53+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-07 21:06 [PATCH v1 net-next 00/15] nvme-tcp receive offloads Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 01/15] iov_iter: Skip copy in memcpy_to_page if src==dst Boris Pismenny
2020-12-08  0:39   ` David Ahern
2020-12-08 14:30     ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 02/15] net: Introduce direct data placement tcp offload Boris Pismenny
2020-12-08  0:42   ` David Ahern
2020-12-08 14:36     ` Boris Pismenny
2020-12-09  0:38       ` David Ahern
2020-12-09  8:15         ` Boris Pismenny
2020-12-10  4:26           ` David Ahern
2020-12-11  2:01             ` Jakub Kicinski
2020-12-11  2:43               ` David Ahern
2020-12-11 18:45                 ` Jakub Kicinski
2020-12-11 18:58                   ` Eric Dumazet
2020-12-11 19:59                   ` David Ahern
2020-12-11 23:05                     ` Jonathan Lemon
2020-12-13 18:34                   ` Boris Pismenny
2020-12-13 18:21             ` Boris Pismenny
2020-12-15  5:19               ` David Ahern
2020-12-17 19:06                 ` Boris Pismenny
2020-12-18  0:44                   ` David Ahern
2020-12-09  0:57   ` David Ahern
2020-12-09  1:11     ` David Ahern
2020-12-09  8:28       ` Boris Pismenny
2020-12-09  8:25     ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 03/15] net: Introduce crc offload for tcp ddp ulp Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 04/15] net/tls: expose get_netdev_for_sock Boris Pismenny
2020-12-09  1:06   ` David Ahern
2020-12-09  7:41     ` Boris Pismenny
2020-12-10  3:39       ` David Ahern
2020-12-11 18:43         ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 05/15] nvme-tcp: Add DDP offload control path Boris Pismenny
2020-12-10 17:15   ` Shai Malin
2020-12-14  6:38     ` Boris Pismenny
2020-12-15 13:33       ` Shai Malin
2020-12-17 18:51         ` Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 06/15] nvme-tcp: Add DDP data-path Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 07/15] nvme-tcp : Recalculate crc in the end of the capsule Boris Pismenny
2020-12-15 14:07   ` Shai Malin
2020-12-07 21:06 ` [PATCH v1 net-next 08/15] nvme-tcp: Deal with netdevice DOWN events Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 09/15] net/mlx5: Header file changes for nvme-tcp offload Boris Pismenny
2020-12-07 21:06 ` Boris Pismenny [this message]
2020-12-07 21:06 ` [PATCH v1 net-next 11/15] net/mlx5e: TCP flow steering for nvme-tcp Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 12/15] net/mlx5e: NVMEoTCP DDP offload control path Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 13/15] net/mlx5e: NVMEoTCP, data-path for DDP offload Boris Pismenny
2020-12-18  0:57   ` David Ahern
2020-12-07 21:06 ` [PATCH v1 net-next 14/15] net/mlx5e: NVMEoTCP statistics Boris Pismenny
2020-12-07 21:06 ` [PATCH v1 net-next 15/15] net/mlx5e: NVMEoTCP workaround CRC after resync Boris Pismenny
2021-01-14  1:27 ` [PATCH v1 net-next 00/15] nvme-tcp receive offloads Sagi Grimberg
2021-01-14  4:47   ` David Ahern
2021-01-14 19:21     ` Boris Pismenny
2021-01-14 19:17   ` Boris Pismenny
2021-01-14 21:07     ` Sagi Grimberg

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