Test Environment: ARM architecture, OpenEuler operating system CPU: HUAWEI Kunpeng 920 5220, BIOS Vendor ID: HiSilicon Network Card: Mellanox Technologies MT27800 Family [ConnectX-5] DPDK program sending self-encapsulated packets with MAC, IP, and UDP headers continuously prints the following errors and ceases packet transmission
mlx5_common: Failed to modify SQ using DevX mlx5_net: Cannot change the Tx SQ state to RESET Remote I/O error Signed-off-by: Wenbo Liu <liuwenbo...@gmail.com> --- drivers/net/mlx5/mlx5_tx.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/mlx5/mlx5_tx.c b/drivers/net/mlx5/mlx5_tx.c index 4286876..5cf9873 100644 --- a/drivers/net/mlx5/mlx5_tx.c +++ b/drivers/net/mlx5/mlx5_tx.c @@ -186,6 +186,7 @@ volatile struct mlx5_cqe *last_cqe = NULL; bool ring_doorbell = false; int ret; + int offset = 0; do { volatile struct mlx5_cqe *cqe; @@ -205,8 +206,11 @@ * here, before we might perform SQ reset. */ rte_wmb(); +#if (RTE_CACHE_LINE_SIZE == 128) + offset = 64; +#endif ret = mlx5_tx_error_cqe_handle - (txq, (volatile struct mlx5_error_cqe *)cqe); + (txq, (volatile struct mlx5_err_cqe *)(((char *)cqe) + offset)); if (unlikely(ret < 0)) { /* * Some error occurred on queue error -- 1.8.3.1