net/mlx5: make vectorized Tx threshold configurable

[dpdk.git] / drivers / net / mlx5 / mlx5_defs.h

diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h
index b52f7dc..bfe6655 100644 (file)
--- a/drivers/net/mlx5/mlx5_defs.h
+++ b/drivers/net/mlx5/mlx5_defs.h
@@ -60,8 +60,13 @@
 /* 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(n) \
@@ -87,17 +92,31 @@
 #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 4U
+#define MLX5_MPRQ_STRIDE_NUM_N 6U
 
 /* Two-byte shift is disabled for Multi-Packet RQ. */
 #define MLX5_MPRQ_TWO_BYTE_SHIFT 0
@@ -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_ */