When compiling with MSVC the error below is hit: drivers\net\mlx5\mlx5_tx.h(1148): error C2065: 'rte_v128u32_t': undeclared identifier
Turns out that with MSVC the data type rte_v128u32_t is not used, but its size needs to be known. This patch defines a macro to store that size and replaces instances of sizeof(rte_v128u32_t) with that macro. A static assert is added to ensure the new macro never diverges from sizeof(rte_v128u32_t). Signed-off-by: Andre Muezerie <andre...@linux.microsoft.com> --- drivers/net/mlx5/mlx5_defs.h | 2 ++ drivers/net/mlx5/mlx5_rxtx.c | 11 ++++++++--- drivers/net/mlx5/mlx5_tx.h | 2 +- 3 files changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/net/mlx5/mlx5_defs.h b/drivers/net/mlx5/mlx5_defs.h index 9c454983be..c5e2c59309 100644 --- a/drivers/net/mlx5/mlx5_defs.h +++ b/drivers/net/mlx5/mlx5_defs.h @@ -196,4 +196,6 @@ #define MLX5_CNT_SVC_CYCLE_TIME_DEFAULT 500 +#define MLX5_SIZEOF_V128U32_T 16 + #endif /* RTE_PMD_MLX5_DEFS_H_ */ diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index 9c075f6a56..3f4942e225 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -28,11 +28,16 @@ #include "mlx5_tx.h" /* static asserts */ +#ifndef RTE_TOOLCHAIN_MSVC +static_assert(sizeof(rte_v128u32_t) == MLX5_SIZEOF_V128U32_T, + "MLX5_SIZEOF_V128U32_T must hold sizeof(rte_v128u32_t)"); +#endif + static_assert(MLX5_CQE_STATUS_HW_OWN < 0, "Must be negative value"); static_assert(MLX5_CQE_STATUS_SW_OWN < 0, "Must be negative value"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + - sizeof(rte_v128u32_t)), + MLX5_SIZEOF_V128U32_T), "invalid Ethernet Segment data size"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + @@ -41,7 +46,7 @@ static_assert(MLX5_ESEG_MIN_INLINE_SIZE == "invalid Ethernet Segment data size"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + - sizeof(rte_v128u32_t)), + MLX5_SIZEOF_V128U32_T), "invalid Ethernet Segment data size"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + @@ -50,7 +55,7 @@ static_assert(MLX5_ESEG_MIN_INLINE_SIZE == "invalid Ethernet Segment data size"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + - sizeof(rte_v128u32_t)), + MLX5_SIZEOF_V128U32_T), "invalid Ethernet Segment data size"); static_assert(MLX5_ESEG_MIN_INLINE_SIZE == (sizeof(uint16_t) + diff --git a/drivers/net/mlx5/mlx5_tx.h b/drivers/net/mlx5/mlx5_tx.h index 55568c41b1..5647f6a37d 100644 --- a/drivers/net/mlx5/mlx5_tx.h +++ b/drivers/net/mlx5/mlx5_tx.h @@ -1145,7 +1145,7 @@ mlx5_tx_eseg_data(struct mlx5_txq_data *__rte_restrict txq, } else { /* Fill the gap in the title WQEBB with inline data. */ rte_mov16(pdst, psrc); - psrc += sizeof(rte_v128u32_t); + psrc += MLX5_SIZEOF_V128U32_T; } pdst = (uint8_t *)(es + 2); MLX5_ASSERT(inlen >= MLX5_ESEG_MIN_INLINE_SIZE); -- 2.49.0.vfs.0.3