RE: [PATCH 2/2] examples/l3fwd: make RX and TX queue size configurable

[Ruifeng Wang <Ruifeng.Wang@arm.com>]

> -----Original Message-----
> From: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> Sent: Wednesday, February 2, 2022 2:04 PM
> To: dev@dpdk.org; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>; lijuan.tu@intel.com;
> juraj.linkes@pantheon.tech; ohilyard@iol.unh.edu;
> david.marchand@redhat.com; thomas@monjalon.net; jerinj@marvell.com
> Cc: Kathleen Capella <Kathleen.Capella@arm.com>; nd <nd@arm.com>
> Subject: [PATCH 2/2] examples/l3fwd: make RX and TX queue size
> configurable
> 
> Make RX and TX queue sizes configurable from the command line.
> This helps DTS write better test cases.
> 
> Signed-off-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> ---
>  examples/l3fwd/main.c | 56
> ++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 55 insertions(+), 1 deletion(-)
> 

<snip>
> 
> +static void
> +parse_rx_queue_size(const char *rx_queue_size_arg) {
> +	char *end = NULL;
> +	uint32_t rx_queue_size;
> +
> +	/* parse decimal string */
> +	rx_queue_size = strtoul(rx_queue_size_arg, &end, 10);
> +	if ((rx_queue_size_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
> +		return;
> +
> +	if (rx_queue_size == 0)
> +		return;
> +
> +	nb_rxd = rx_queue_size;
> +}
> +
> +static void
> +parse_tx_queue_size(const char *tx_queue_size_arg) {
> +	char *end = NULL;
> +	uint32_t tx_queue_size;
> +
> +	/* parse decimal string */
> +	tx_queue_size = strtoul(tx_queue_size_arg, &end, 10);
> +	if ((tx_queue_size_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
> +		return;
> +
> +	if (tx_queue_size == 0)
> +		return;
> +
> +	nb_rxd = tx_queue_size;

Typo. I assume here is 'nb_txd'.

> +}
> +
>  static void
>  parse_eventq_sched(const char *optarg)
>  {
> @@ -581,6 +621,8 @@ static const char short_options[] =
>  	;
> 
<snip>