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Commit ef927a9c authored by Aviad Yehezkel's avatar Aviad Yehezkel Committed by Saeed Mahameed
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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: default avatarAviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 46f3ee4f

drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c

+6 −3
Original line number Diff line number Diff line
@@ -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)