mlx4dv_set_context_attr - Set context attributes

context RDMA device context to work on. attr_type The type of the provided attribute. attr Pointer to the attribute to be set. ## attr_type enum mlx4dv_set_ctx_attr_type { /* Attribute type uint8_t */ MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ = 0, MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS = 1, }; MLX4DV_SET_CTX_ATTR_LOG_WQS_RANGE_SZ Change the LOG WQs Range size for RSS MLX4DV_SET_CTX_ATTR_BUF_ALLOCATORS Provide an external buffer allocator struct mlx4dv_ctx_allocators { void *(*alloc)(size_t size, void *priv_data); void (*free)(void *ptr, void *priv_data); void *data; }; alloc Function used for buffer allocation instead of libmlx4 internal method free Function used to free buffers allocated by alloc function data Metadata that can be used by alloc and free functions

mlx4dv_set_context_attr gives the ability to set vendor specific attributes on the RDMA context.

mlx4dv_set_context_attr - Set context attributes

Returns 0 on success, or the value of errno on failure (which indicates the failure reason). #AUTHOR Majd Dibbiny majd@mellanox.commlx4dv_set_context_attr(3)

#include <infiniband/mlx4dv.h> int mlx4dv_set_context_attr(struct ibv_context *context, enum mlx4dv_set_ctx_attr_type attr_type, void *attr);