X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_defs.h;h=bfe6655800c6e01414857bb620686ea7b8236bb2;hb=942d13e6e7d1511dd89b4352ab648e57ef934189;hp=beabb70378db34b18fc8e55829f4184223475063;hpb=a4193ae3bc4fcaf6a81b472563466946771a5f8e;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index beabb70378..bfe6655800 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -1,72 +1,47 @@ -/*- - * 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 Technologies, Ltd */ #ifndef RTE_PMD_MLX5_DEFS_H_ #define RTE_PMD_MLX5_DEFS_H_ +#include + #include "mlx5_autoconf.h" /* Reported driver name. */ #define MLX5_DRIVER_NAME "net_mlx5" +/* Maximum number of simultaneous unicast MAC addresses. */ +#define MLX5_MAX_UC_MAC_ADDRESSES 128 +/* Maximum number of simultaneous Multicast MAC addresses. */ +#define MLX5_MAX_MC_MAC_ADDRESSES 128 /* Maximum number of simultaneous MAC addresses. */ -#define MLX5_MAX_MAC_ADDRESSES 128 +#define MLX5_MAX_MAC_ADDRESSES \ + (MLX5_MAX_UC_MAC_ADDRESSES + MLX5_MAX_MC_MAC_ADDRESSES) /* 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 -/* RSS Indirection table size. */ -#define RSS_INDIRECTION_TABLE_SIZE 256 - /* - * 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. + * 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. */ -#ifndef MLX5_PMD_TX_MP_CACHE -#define MLX5_PMD_TX_MP_CACHE 8 -#endif +#define MLX5_TX_COMP_THRESH_INLINE_DIV (1 << 3) + +/* Size of per-queue MR cache array for linear search. */ +#define MLX5_MR_CACHE_N 8 + +/* Size of MR cache table for binary search. */ +#define MLX5_MR_BTREE_CACHE_N 256 /* * If defined, only use software counters. The PMD will never ask the hardware @@ -82,4 +57,85 @@ /* 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 192 + +/* Default maximum number of Tx queues for vectorized Tx. */ +#if defined(RTE_ARCH_ARM64) +#define MLX5_VPMD_MAX_TXQS 8 +#else +#define MLX5_VPMD_MAX_TXQS 4 +#endif +#define MLX5_VPMD_MAX_TXQS_BLUEFIELD 16 + +/* Threshold of buffer replenishment for vectorized Rx. */ +#define MLX5_VPMD_RXQ_RPLNSH_THRESH(n) \ + (RTE_MIN(MLX5_VPMD_RX_MAX_BURST, (unsigned int)(n) >> 2)) + +/* Maximum size of burst for vectorized Rx. */ +#define MLX5_VPMD_RX_MAX_BURST 64U + +/* + * 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)) + +/* Timeout in seconds to get a valid link status. */ +#define MLX5_LINK_STATUS_TIMEOUT 10 + +/* Reserved address space for UAR mapping. */ +#define MLX5_UAR_SIZE (1ULL << (sizeof(uintptr_t) * 4)) + +/* 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 << (sizeof(uintptr_t) * 4)) + +/* Maximum number of UAR pages used by a port, + * These are the size and mask for an array of mutexes used to synchronize + * the access to port's UARs on platforms that do not support 64 bit writes. + * In such systems it is possible to issue the 64 bits DoorBells through two + * consecutive writes, each write 32 bits. The access to a UAR page (which can + * be accessible by all threads in the process) must be synchronized + * (for example, using a semaphore). Such a synchronization is not required + * when ringing DoorBells on different UAR pages. + * A port with 512 Tx queues uses 8, 4kBytes, UAR pages which are shared + * among the ports. + */ +#define MLX5_UAR_PAGE_NUM_MAX 64 +#define MLX5_UAR_PAGE_NUM_MASK ((MLX5_UAR_PAGE_NUM_MAX) - 1) + +/* Log 2 of the default number of strides per WQE for Multi-Packet RQ. */ +#define MLX5_MPRQ_STRIDE_NUM_N 6U + +/* Two-byte shift is disabled for Multi-Packet RQ. */ +#define MLX5_MPRQ_TWO_BYTE_SHIFT 0 + +/* + * Minimum size of packet to be memcpy'd instead of being attached as an + * external buffer. + */ +#define MLX5_MPRQ_MEMCPY_DEFAULT_LEN 128 + +/* Minimum number Rx queues to enable Multi-Packet RQ. */ +#define MLX5_MPRQ_MIN_RXQS 12 + +/* Cache size of mempool for Multi-Packet RQ. */ +#define MLX5_MPRQ_MP_CACHE_SZ 32U + +/* Definition of static_assert found in /usr/include/assert.h */ +#ifndef HAVE_STATIC_ASSERT +#define static_assert _Static_assert +#endif + #endif /* RTE_PMD_MLX5_DEFS_H_ */