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 11/21] net/mlx5: Add 128B CQE for NVMEoTCP offload
Date: Thu, 14 Jan 2021 17:10:23 +0200 [thread overview]
Message-ID: <20210114151033.13020-12-borisp@mellanox.com> (raw)
In-Reply-To: <20210114151033.13020-1-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 4433ff213d32..f4912d6c42f8 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
next prev parent reply other threads:[~2021-01-14 15:12 UTC|newest]
Thread overview: 34+ 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 ` [PATCH v2 net-next 01/21] iov_iter: Introduce new procedures for copy to iter/pages 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 15:57 ` Eric Dumazet
2021-01-14 20:19 ` Boris Pismenny
2021-01-14 20:43 ` Eric Dumazet
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 ` [PATCH v2 net-next 04/21] net: SKB copy(+hash) iterators for DDP offloads 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 ` [PATCH v2 net-next 06/21] nvme-tcp: Add DDP offload control path Boris Pismenny
2021-01-19 3:47 ` David Ahern
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
2021-01-19 4:18 ` David Ahern
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 ` [PATCH v2 net-next 09/21] nvme-tcp: Deal with netdevice DOWN events 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 [this message]
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 ` [PATCH v2 net-next 13/21] net/mlx5e: NVMEoTCP offload initialization Boris Pismenny
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 ` [PATCH v2 net-next 16/21] net/mlx5e: NVMEoTCP queue init/teardown 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 ` [PATCH v2 net-next 18/21] net/mlx5e: NVMEoTCP ddp setup and resync Boris Pismenny
2021-01-14 15:10 ` [PATCH v2 net-next 19/21] net/mlx5e: NVMEoTCP, data-path for DDP offload Boris Pismenny
2021-01-16 4:57 ` David Ahern
2021-01-17 8:42 ` Boris Pismenny
2021-01-19 4:36 ` David Ahern
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 ` [PATCH v2 net-next 21/21] Documentation: add TCP DDP offload documentation Boris Pismenny
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