X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fmlx5%2Fmlx5_defs.h;h=69b6960e94d76250a7f88ab244498d08cbbfcd34;hb=f6d9ab4e769f0f95ecac1b418106e9f8137ca60c;hp=72e80af261f3296c8f38cc51e36d18699a4fecc6;hpb=974f1e7ef146ffa112ab1a2afaf5db0360bc159f;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index 72e80af261..69b6960e94 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -60,14 +60,20 @@ /* Maximum Packet headers size (L2+L3+L4) for TSO. */ #define MLX5_MAX_TSO_HEADER 192 -/* Default minimum number of Tx queues for vectorized Tx. */ -#define MLX5_VPMD_MIN_TXQS 4 +/* 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 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 @@ -85,14 +91,41 @@ /* 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) +/* 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 -/* 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. +/* 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_UAR_OFFSET (1ULL << 32) +#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_ */