X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_defs.h;h=c3334ca300901f3eecf4c40b28d50a939f5b9ce5;hb=8fd92a66c60a7310cf5ab91996b9b09447512a61;hp=e91d2454afbab6a4f2dd693f92b21f84665ac005;hpb=ec1fed226a9887cef7b78069aa607292d3bf6a61;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index e91d2454af..c3334ca300 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -1,39 +1,13 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2015 6WIND S.A. + * Copyright 2015 Mellanox. */ #ifndef RTE_PMD_MLX5_DEFS_H_ #define RTE_PMD_MLX5_DEFS_H_ +#include + #include "mlx5_autoconf.h" /* Reported driver name. */ @@ -45,15 +19,19 @@ /* Maximum number of simultaneous VLAN filters. */ #define MLX5_MAX_VLAN_IDS 128 -/* Maximum number of special flows. */ -#define MLX5_MAX_SPECIAL_FLOWS 4 - /* * Request TX completion every time descriptors reach this threshold since * the previous request. Must be a power of two for performance reasons. */ #define MLX5_TX_COMP_THRESH 32 +/* + * Request TX completion every time the total number of WQEBBs used for inlining + * packets exceeds the size of WQ divided by this divisor. Better to be power of + * two for performance. + */ +#define MLX5_TX_COMP_THRESH_INLINE_DIV (1 << 3) + /* * 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 @@ -79,4 +57,42 @@ /* Maximum number of extended statistics counters. */ #define MLX5_MAX_XSTATS 32 +/* Maximum Packet headers size (L2+L3+L4) for TSO. */ +#define MLX5_MAX_TSO_HEADER 128 + +/* Default minimum number of Tx queues for vectorized Tx. */ +#define MLX5_VPMD_MIN_TXQS 4 + +/* Threshold of buffer replenishment for vectorized Rx. */ +#define MLX5_VPMD_RXQ_RPLNSH_THRESH 64U + +/* Maximum size of burst for vectorized Rx. */ +#define MLX5_VPMD_RX_MAX_BURST MLX5_VPMD_RXQ_RPLNSH_THRESH + +/* + * Maximum size of burst for vectorized Tx. This is related to the maximum size + * of Enhanced MPW (eMPW) WQE as vectorized Tx is supported with eMPW. + * Careful when changing, large value can cause WQE DS to overlap. + */ +#define MLX5_VPMD_TX_MAX_BURST 32U + +/* Number of packets vectorized Rx can simultaneously process in a loop. */ +#define MLX5_VPMD_DESCS_PER_LOOP 4 + +/* Supported RSS */ +#define MLX5_RSS_HF_MASK (~(ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP)) + +/* Maximum number of attempts to query link status before giving up. */ +#define MLX5_MAX_LINK_QUERY_ATTEMPTS 5 + +/* Reserved address space for UAR mapping. */ +#define MLX5_UAR_SIZE (1ULL << 32) + +/* Offset of reserved UAR address space to hugepage memory. Offset is used here + * to minimize possibility of address next to hugepage being used by other code + * in either primary or secondary process, failing to map TX UAR would make TX + * packets invisible to HW. + */ +#define MLX5_UAR_OFFSET (1ULL << 32) + #endif /* RTE_PMD_MLX5_DEFS_H_ */