mirror of https://gitee.com/openkylin/linux.git
RDMA/mlx5: Add support for RDMA TX flow table
Enable user application to add rules for RDMA TX steering table. Rules in this steering table will allow to steer transmitted RDMA traffic. Link: https://lore.kernel.org/r/20200324061425.1570190-3-leon@kernel.org Signed-off-by: Michael Guralnik <michaelgur@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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@ -35,6 +35,9 @@ mlx5_ib_ft_type_to_namespace(enum mlx5_ib_uapi_flow_table_type table_type,
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case MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX:
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*namespace = MLX5_FLOW_NAMESPACE_RDMA_RX;
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break;
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case MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_TX:
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*namespace = MLX5_FLOW_NAMESPACE_RDMA_TX;
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break;
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default:
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return -EINVAL;
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}
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@ -4045,6 +4045,11 @@ _get_flow_table(struct mlx5_ib_dev *dev,
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BIT(MLX5_CAP_FLOWTABLE_RDMA_RX(dev->mdev,
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log_max_ft_size));
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priority = fs_matcher->priority;
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} else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_TX) {
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max_table_size =
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BIT(MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev,
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log_max_ft_size));
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priority = fs_matcher->priority;
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}
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max_table_size = min_t(int, max_table_size, MLX5_FS_MAX_ENTRIES);
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@ -4061,6 +4066,8 @@ _get_flow_table(struct mlx5_ib_dev *dev,
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prio = &dev->flow_db->fdb;
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else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_RX)
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prio = &dev->flow_db->rdma_rx[priority];
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else if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_TX)
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prio = &dev->flow_db->rdma_tx[priority];
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if (!prio)
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return ERR_PTR(-EINVAL);
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@ -210,6 +210,7 @@ struct mlx5_ib_flow_db {
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struct mlx5_ib_flow_prio egress[MLX5_IB_NUM_EGRESS_FTS];
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struct mlx5_ib_flow_prio fdb;
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struct mlx5_ib_flow_prio rdma_rx[MLX5_IB_NUM_FLOW_FT];
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struct mlx5_ib_flow_prio rdma_tx[MLX5_IB_NUM_FLOW_FT];
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struct mlx5_flow_table *lag_demux_ft;
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/* Protect flow steering bypass flow tables
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* when add/del flow rules.
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@ -44,6 +44,7 @@ enum mlx5_ib_uapi_flow_table_type {
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MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX = 0x1,
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MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB = 0x2,
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MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX = 0x3,
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MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_TX = 0x4,
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};
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enum mlx5_ib_uapi_flow_action_packet_reformat_type {
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