[dpdk-dev] config files maintenance
Zhang, Helin
helin.zhang at intel.com
Fri Jul 31 17:29:11 CEST 2015
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com]
> Sent: Friday, July 31, 2015 8:08 AM
> To: Zhang, Helin; Ananyev, Konstantin; Richardson, Bruce
> Cc: dev at dpdk.org
> Subject: config files maintenance
>
> Hi,
>
> Currently most of the build options are duplicated in 2 config files.
> They should be merged in a common file to avoid this kind of differences:
>
> --- config/common_bsdapp
> +++ config/common_linuxapp
> -CONFIG_RTE_IXGBE_INC_VECTOR=n
> +CONFIG_RTE_IXGBE_INC_VECTOR=y
> -CONFIG_RTE_IXGBE_RX_OLFLAGS_DISABLE=n
> +CONFIG_RTE_IXGBE_RX_OLFLAGS_ENABLE=y
> -CONFIG_RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC=n
> +CONFIG_RTE_LIBRTE_I40E_RX_ALLOW_BULK_ALLOC=y
>
> Can we enable ixgbe SSE on BSD?
> CONFIG_RTE_IXGBE_RX_OLFLAGS_DISABLE must be renamed to
> CONFIG_RTE_IXGBE_RX_OLFLAGS_ENABLE, or can we remove this option?
> Can we remove i40e bulk alloc option?
As the receiving functions are different for bulk_alloc or not, we need this flag.
> Why IEEE1588 is disabled? Can we remove this option?
I think the reason was it wanted to show the best performance by default,
as more processing are needed for ieee1588 in fast path.
I agree with you that we may need to re-think it.
Thanks,
Helin
>
> Please help to fix it for the release 2.1.
>
> After fixing the config, we have to think about simplifying it in 2.2.
> It would be easier to have some kind of config overlays:
> config_base
> config_bsd
> config_linux
> config_osv
> config_gcc
> config_icc
> config_clang
> config_i686
> config_x86_64
> config_x86_x32
> config_ppc_64
> config_tile-tilegx
> Then the defconfig files would include the above files.
> Or better, we could allow some paramaters to make config:
> make config ARCH= OS= CC=
>
> Thoughts?
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