[dpdk-dev] [PATCH] app/pdump: check for ports

Pattan, Reshma reshma.pattan at intel.com
Mon Feb 26 12:02:26 CET 2018



> -----Original Message-----
> From: Varghese, Vipin
> Sent: Monday, February 26, 2018 4:30 PM
> To: dev at dpdk.org; Pattan, Reshma <reshma.pattan at intel.com>
> Cc: Mcnamara, John <john.mcnamara at intel.com>; Varghese, Vipin
> <vipin.varghese at intel.com>
> Subject: [PATCH] app/pdump: check for ports
> 
> In case of application build with shared library mode unless option '-d' is
> passed, poll mode driver for devices is not initialized. Notifying the user just
> after rte_eal_init is pro active way of intimating the user.
> 
> Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
> ---
>  app/pdump/main.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/app/pdump/main.c b/app/pdump/main.c index f6865bd..4242a19
> 100644
> --- a/app/pdump/main.c
> +++ b/app/pdump/main.c
> @@ -863,6 +863,9 @@ struct parse_val {
>  	if (diag < 0)
>  		rte_panic("Cannot init EAL\n");
> 
> +	if (rte_eth_dev_count() == 0)
> +		rte_exit(EXIT_FAILURE, "Failed to fetch ports for PDUMP!\n");
> +

Good one, can you just change the failure log to rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); 
As, I see most of the other examples and apps do use the similar check and log as above. :-)

Thanks,
Reshma



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