Re: [dpdk-dev] [PATCH 1/2 v2] build: add option to override max ethports

[Bruce Richardson <bruce.richardson@intel.com>]

On Thu, Jan 31, 2019 at 06:53:25PM -0500, Chas Williams wrote:
> Allow users and packagers to override the default RTE_MAX_ETHPORTS.
> This adds a new meson option, max_ethports which defaults to the
> current value.
> 

Actually in this v2, you have changed it to 64 from 32. :-) Otherwise all
fine, but perhaps this can be fixed on apply if no v3.

> Signed-off-by: Chas Williams <3chas3@gmail.com>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
>  config/meson.build  | 1 +
>  config/rte_config.h | 1 -
>  meson_options.txt   | 2 ++
>  3 files changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/config/meson.build b/config/meson.build
> index db32499b3..e59507065 100644
> --- a/config/meson.build
> +++ b/config/meson.build
> @@ -103,6 +103,7 @@ endforeach
>  # set other values pulled from the build options
>  dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
>  dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
> +dpdk_conf.set('RTE_MAX_ETHPORTS', get_option('max_ethports'))
>  dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
>  dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
>  # values which have defaults which may be overridden
> diff --git a/config/rte_config.h b/config/rte_config.h
> index d3732e953..7606f5d7b 100644
> --- a/config/rte_config.h
> +++ b/config/rte_config.h
> @@ -51,7 +51,6 @@
>  #define RTE_PKTMBUF_HEADROOM 128
>  
>  /* ether defines */
> -#define RTE_MAX_ETHPORTS 32
>  #define RTE_MAX_QUEUES_PER_PORT 1024
>  #define RTE_ETHDEV_QUEUE_STAT_CNTRS 16
>  #define RTE_ETHDEV_RXTX_CALLBACKS 1
> diff --git a/meson_options.txt b/meson_options.txt
> index 574054597..499573ed4 100644
> --- a/meson_options.txt
> +++ b/meson_options.txt
> @@ -18,6 +18,8 @@ option('lib_musdk_dir', type: 'string', value: '',
>  	description: 'path to the MUSDK library installation directory')
>  option('machine', type: 'string', value: 'native',
>  	description: 'set the target machine type')
> +option('max_ethports', type: 'string', value: '64',
> +	description: 'maximum number of Ethernet devices in EAL')
>  option('max_lcores', type: 'string', value: '128',
>  	description: 'maximum number of cores/threads supported by EAL')
>  option('max_numa_nodes', type: 'string', value: '4',
> -- 
> 2.17.2
>