95e16ef325
Use the maximum size of the indirection table when the number of requested RX queues is not a power of two, this help to improve RSS balancing. A message informs users that balancing is not optimal in such cases. Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com> Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright 2015 6WIND S.A.
|
|
* Copyright 2015 Mellanox.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of 6WIND S.A. nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef RTE_PMD_MLX5_DEFS_H_
|
|
#define RTE_PMD_MLX5_DEFS_H_
|
|
|
|
/* Reported driver name. */
|
|
#define MLX5_DRIVER_NAME "librte_pmd_mlx5"
|
|
|
|
/* Maximum number of simultaneous MAC addresses. */
|
|
#define MLX5_MAX_MAC_ADDRESSES 128
|
|
|
|
/* Maximum number of simultaneous VLAN filters. */
|
|
#define MLX5_MAX_VLAN_IDS 128
|
|
|
|
/* Request send completion once in every 64 sends, might be less. */
|
|
#define MLX5_PMD_TX_PER_COMP_REQ 64
|
|
|
|
/* RSS Indirection table size. */
|
|
#define RSS_INDIRECTION_TABLE_SIZE 128
|
|
|
|
/* Maximum number of Scatter/Gather Elements per Work Request. */
|
|
#ifndef MLX5_PMD_SGE_WR_N
|
|
#define MLX5_PMD_SGE_WR_N 4
|
|
#endif
|
|
|
|
/* Maximum size for inline data. */
|
|
#ifndef MLX5_PMD_MAX_INLINE
|
|
#define MLX5_PMD_MAX_INLINE 0
|
|
#endif
|
|
|
|
/*
|
|
* Maximum number of cached Memory Pools (MPs) per TX queue. Each RTE MP
|
|
* from which buffers are to be transmitted will have to be mapped by this
|
|
* driver to their own Memory Region (MR). This is a slow operation.
|
|
*
|
|
* This value is always 1 for RX queues.
|
|
*/
|
|
#ifndef MLX5_PMD_TX_MP_CACHE
|
|
#define MLX5_PMD_TX_MP_CACHE 8
|
|
#endif
|
|
|
|
/*
|
|
* If defined, only use software counters. The PMD will never ask the hardware
|
|
* for these, and many of them won't be available.
|
|
*/
|
|
#ifndef MLX5_PMD_SOFT_COUNTERS
|
|
#define MLX5_PMD_SOFT_COUNTERS 1
|
|
#endif
|
|
|
|
#endif /* RTE_PMD_MLX5_DEFS_H_ */
|