提交 ef927a9c 编写于 作者: A Aviad Yehezkel 提交者: Saeed Mahameed

net/mlx5e: Wait for FPGA command responses with a timeout

Generally, FPGA IPSec commands must always complete.
We want to wait for one minute for them to complete gracefully also
when killing a process.
Signed-off-by: NAviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com>
上级 46f3ee4f
......@@ -39,6 +39,7 @@
#include "fpga/core.h"
#define SBU_QP_QUEUE_SIZE 8
#define MLX5_FPGA_IPSEC_CMD_TIMEOUT_MSEC (60 * 1000)
enum mlx5_ipsec_response_syndrome {
MLX5_IPSEC_RESPONSE_SUCCESS = 0,
......@@ -217,12 +218,14 @@ void *mlx5_fpga_ipsec_sa_cmd_exec(struct mlx5_core_dev *mdev,
int mlx5_fpga_ipsec_sa_cmd_wait(void *ctx)
{
struct mlx5_ipsec_command_context *context = ctx;
unsigned long timeout =
msecs_to_jiffies(MLX5_FPGA_IPSEC_CMD_TIMEOUT_MSEC);
int res;
res = wait_for_completion_killable(&context->complete);
if (res) {
res = wait_for_completion_timeout(&context->complete, timeout);
if (!res) {
mlx5_fpga_warn(context->dev, "Failure waiting for IPSec command response\n");
return -EINTR;
return -ETIMEDOUT;
}
if (context->status == MLX5_FPGA_IPSEC_SACMD_COMPLETE)
......
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