X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_defs.h;h=d7440fd38ad48676614aa7cc83de83cdc5d49784;hb=a06ce95464d75a5c721f03c540d583ab42232f0f;hp=5bbbec2c2caaf602c0b179dbd9ce9a59f601b92c;hpb=f9aaa6ac444615586729e6f25b04a6689e9d1a44;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index 5bbbec2c2c..d7440fd38a 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -28,7 +28,7 @@ * 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 +#define MLX5_TX_COMP_THRESH 32u /* * Request TX completion every time the total number of WQEBBs used for inlining @@ -37,6 +37,13 @@ */ #define MLX5_TX_COMP_THRESH_INLINE_DIV (1 << 3) +/* + * Maximal amount of normal completion CQEs + * processed in one call of tx_burst() routine. + */ +#define MLX5_TX_COMP_MAX_CQE 2u + + /* Size of per-queue MR cache array for linear search. */ #define MLX5_MR_CACHE_N 8 @@ -58,10 +65,25 @@ #define MLX5_MAX_XSTATS 32 /* 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 +#define MLX5_MAX_TSO_HEADER (128u + 34u) + +/* Inline data size required by NICs. */ +#define MLX5_INLINE_HSIZE_NONE 0 +#define MLX5_INLINE_HSIZE_L2 (sizeof(struct rte_ether_hdr) + \ + sizeof(struct rte_vlan_hdr)) +#define MLX5_INLINE_HSIZE_L3 (MLX5_INLINE_HSIZE_L2 + \ + sizeof(struct rte_ipv6_hdr)) +#define MLX5_INLINE_HSIZE_L4 (MLX5_INLINE_HSIZE_L3 + \ + sizeof(struct rte_tcp_hdr)) +#define MLX5_INLINE_HSIZE_INNER_L2 (MLX5_INLINE_HSIZE_L3 + \ + sizeof(struct rte_udp_hdr) + \ + sizeof(struct rte_vxlan_hdr) + \ + sizeof(struct rte_ether_hdr) + \ + sizeof(struct rte_vlan_hdr)) +#define MLX5_INLINE_HSIZE_INNER_L3 (MLX5_INLINE_HSIZE_INNER_L2 + \ + sizeof(struct rte_ipv6_hdr)) +#define MLX5_INLINE_HSIZE_INNER_L4 (MLX5_INLINE_HSIZE_INNER_L3 + \ + sizeof(struct rte_tcp_hdr)) /* Threshold of buffer replenishment for vectorized Rx. */ #define MLX5_VPMD_RXQ_RPLNSH_THRESH(n) \ @@ -70,13 +92,6 @@ /* 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 @@ -86,15 +101,19 @@ /* 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) - -/* 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. +/* 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_OFFSET (1ULL << 32) +#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 @@ -112,6 +131,11 @@ #define MLX5_MPRQ_MIN_RXQS 12 /* Cache size of mempool for Multi-Packet RQ. */ -#define MLX5_MPRQ_MP_CACHE_SZ 32 +#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_ */