[dpdk-dev] [PATCH v2] drivers: advertise kmod dependencies in pmdinfo

[Adrien Mazarguil]

Hi Olivier,

Neither mlx4 nor mlx5 depend on igb/uio/vfio modules, please see below.

On Tue, Nov 22, 2016 at 10:50:57AM +0100, Olivier Matz wrote:
> Add a new macro RTE_PMD_REGISTER_KMOD_DEP() that allows a driver to
> declare the list of kernel modules required to run properly.
> 
> Today, most PCI drivers require uio/vfio.
> 
> Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
> Acked-by: Fiona Trahe <fiona.trahe at intel.com>
> ---
[...]
> diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
> index da61a85..a0065bf 100644
> --- a/drivers/net/mlx4/mlx4.c
> +++ b/drivers/net/mlx4/mlx4.c
> @@ -5937,3 +5937,4 @@ rte_mlx4_pmd_init(void)
>  
>  RTE_PMD_EXPORT_NAME(net_mlx4, __COUNTER__);
>  RTE_PMD_REGISTER_PCI_TABLE(net_mlx4, mlx4_pci_id_map);
> +RTE_PMD_REGISTER_KMOD_DEP(net_mlx4, "* igb_uio | uio_pci_generic | vfio");

RTE_PMD_REGISTER_KMOD_DEP(net_mlx4, "* ib_uverbs & mlx4_en & mlx4_core & mlx4_ib");

> diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
> index 90cc35e..b0343f3 100644
> --- a/drivers/net/mlx5/mlx5.c
> +++ b/drivers/net/mlx5/mlx5.c
> @@ -759,3 +759,4 @@ rte_mlx5_pmd_init(void)
> 
>  RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
>  RTE_PMD_REGISTER_PCI_TABLE(net_mlx5, mlx5_pci_id_map);
> +RTE_PMD_REGISTER_KMOD_DEP(net_mlx5, "* igb_uio | uio_pci_generic | vfio");

RTE_PMD_REGISTER_KMOD_DEP(net_mlx5, "* ib_uverbs & mlx5_core & mlx5_ib");

-- 
Adrien Mazarguil
6WIND