diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_defs.h')
-rw-r--r-- | drivers/net/mlx5/mlx5_defs.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h new file mode 100644 index 00000000..09207d9c --- /dev/null +++ b/drivers/net/mlx5/mlx5_defs.h @@ -0,0 +1,98 @@ +/*- + * 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_ + +#include "mlx5_autoconf.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 + +/* Maximum number of special flows. */ +#define MLX5_MAX_SPECIAL_FLOWS 4 + +/* 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 256 + +/* 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 + +/* Alarm timeout. */ +#define MLX5_ALARM_TIMEOUT_US 100000 + +/* + * Extended flow priorities necessary to support flow director are available + * since MLNX_OFED 3.2. Considering this version adds support for VLAN + * offloads as well, their availability means flow director can be used. + */ +#ifdef HAVE_EXP_DEVICE_ATTR_VLAN_OFFLOADS +#define MLX5_FDIR_SUPPORT 1 +#endif + +#endif /* RTE_PMD_MLX5_DEFS_H_ */ |