X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_defs.h;h=f2a1679511d009df2358f928e4cb92f81fa19671;hb=refs%2Ftags%2Fupstream%2F18.08;hp=c3334ca300901f3eecf4c40b28d50a939f5b9ce5;hpb=ca33590b6af032bff57d9cc70455660466a654b2;p=deb_dpdk.git diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index c3334ca3..f2a16795 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause * Copyright 2015 6WIND S.A. - * Copyright 2015 Mellanox. + * Copyright 2015 Mellanox Technologies, Ltd */ #ifndef RTE_PMD_MLX5_DEFS_H_ @@ -13,8 +13,13 @@ /* 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 @@ -32,16 +37,11 @@ */ #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 - * 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 +/* 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 @@ -58,16 +58,17 @@ #define MLX5_MAX_XSTATS 32 /* Maximum Packet headers size (L2+L3+L4) for TSO. */ -#define MLX5_MAX_TSO_HEADER 128 +#define MLX5_MAX_TSO_HEADER 192 /* 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 +#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 MLX5_VPMD_RXQ_RPLNSH_THRESH +#define MLX5_VPMD_RX_MAX_BURST 64U /* * Maximum size of burst for vectorized Tx. This is related to the maximum size @@ -82,17 +83,54 @@ /* 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 +/* 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 << 32) +#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 << 32) +#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_ */