Re: [dpdk-dev] [PATCH 03/11] app: check eth dev stop status

[Ferruh Yigit <ferruh.yigit@intel.com>]

On 10/14/2020 2:28 PM, Andrew Rybchenko wrote:
> From: Ivan Ilchenko <Ivan.Ilchenko@oktetlabs.ru>
> 
> rte_eth_dev_stop() return value was changed from void to int,
> so this patch modify usage of this function across app
> according to new return type.
> 
> Signed-off-by: Ivan Ilchenko <Ivan.Ilchenko@oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
> ---
>   app/test/test_pmd_perf.c      |  6 +++++-
>   app/test/test_pmd_ring.c      | 13 ++++++++++---
>   app/test/test_pmd_ring_perf.c |  3 ++-
>   3 files changed, 17 insertions(+), 5 deletions(-)
> 
> diff --git a/app/test/test_pmd_perf.c b/app/test/test_pmd_perf.c
> index d1240b76f9..85c932c6dc 100644
> --- a/app/test/test_pmd_perf.c
> +++ b/app/test/test_pmd_perf.c
> @@ -802,7 +802,11 @@ test_pmd_perf(void)
>   		if (socketid != rte_eth_dev_socket_id(portid))
>   			continue;
>   
> -		rte_eth_dev_stop(portid);
> +		ret = rte_eth_dev_stop(portid);
> +		if (ret != 0)
> +			rte_exit(EXIT_FAILURE,
> +				 "rte_eth_dev_stop: err=%s, port=%d\n",
> +				 rte_strerror(-ret), portid);

This is in tear down, not sure if the app should exit on the stopping port 
error, what do you think just log the error and continue?

>   	}
>   
>   	return 0;
> diff --git a/app/test/test_pmd_ring.c b/app/test/test_pmd_ring.c
> index 02873f26a1..b7af8f4b70 100644
> --- a/app/test/test_pmd_ring.c
> +++ b/app/test/test_pmd_ring.c
> @@ -412,8 +412,14 @@ test_pmd_ring_pair_create_attach(void)
>   		return TEST_FAILED;
>   	}
>   
> -	rte_eth_dev_stop(rxtx_portd);
> -	rte_eth_dev_stop(rxtx_porte);
> +	if (rte_eth_dev_stop(rxtx_portd) != 0) {
> +		printf("Error: failed to stop port %u\n", rxtx_portd);
> +		return TEST_FAILED;
> +	}
> +	if (rte_eth_dev_stop(rxtx_porte) != 0) {
> +		printf("Error: failed to stop port %u\n", rxtx_porte);
> +		return TEST_FAILED;
> +	}
>   
>   	return TEST_SUCCESS;
>   }
> @@ -522,7 +528,8 @@ test_command_line_ring_port(void)
>   				"test stats reset cmdl_port0 is failed");
>   		TEST_ASSERT((test_get_stats(cmdl_port0) < 0),
>   				"test get stats cmdl_port0 is failed");
> -		rte_eth_dev_stop(cmdl_port0);
> +		TEST_ASSERT((rte_eth_dev_stop(cmdl_port0) == 0),
> +				"test stop cmdl_port0 is failed");
>   	}
>   	return TEST_SUCCESS;
>   }
> diff --git a/app/test/test_pmd_ring_perf.c b/app/test/test_pmd_ring_perf.c
> index 3b2ff9cb4f..d249b7de5f 100644
> --- a/app/test/test_pmd_ring_perf.c
> +++ b/app/test/test_pmd_ring_perf.c
> @@ -155,7 +155,8 @@ test_ring_pmd_perf(void)
>   	test_bulk_enqueue_dequeue();
>   
>   	/* release port and ring resources */
> -	rte_eth_dev_stop(ring_ethdev_port);
> +	if (rte_eth_dev_stop(ring_ethdev_port) != 0)
> +		return -1;

Same here.