Hi Santosh,

On 01/07/2019 14.00, santosh.shilim...@oracle.com wrote:
>>
> Look for command timeout in CX3 sources. 60 second is upper bound in
> CX3. Its not standard in specs(at least not that I know) though
> and may vary from vendor to vendor.
> 

I am not seeing it. Can you point me to the right place?

% grep -ni timeout drivers/net/ethernet/mellanox/mlx4/*.[ch]
drivers/net/ethernet/mellanox/mlx4/cmd.c:116:   GO_BIT_TIMEOUT_MSECS    = 10000
[...]
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h:101:#define 
MLX4_EN_WATCHDOG_TIMEOUT       (15 * HZ)
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h:155:#define 
MLX4_EN_TX_POLL_TIMEOUT        (HZ / 4)
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h:171:#define 
MLX4_EN_LOOPBACK_TIMEOUT       100
[...]
drivers/net/ethernet/mellanox/mlx4/reset.c:61:#define MLX4_SEM_TIMEOUT_JIFFIES  
(10 * HZ)
drivers/net/ethernet/mellanox/mlx4/reset.c:62:#define 
MLX4_RESET_TIMEOUT_JIFFIES        (2 * HZ)


% grep -i timeout drivers/infiniband/hw/mlx4/*.[ch] 
drivers/infiniband/hw/mlx4/cm.c:42:#define CM_CLEANUP_CACHE_TIMEOUT  (30 * HZ)
[...]
drivers/infiniband/hw/mlx4/mcg.c:46:#define MAD_TIMEOUT_MS      2000
[...]
drivers/infiniband/hw/mlx4/qp.c:4358:           while 
(wait_for_completion_timeout(&sdrain->done, HZ / 10) <= 0)

Thanks,

  Gerd

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