[dpdk-dev] [PATCH] kni: fix build for ndo_fdb_add in Linux 5.1

[Rami Rosen]

On Mon, Apr 08, 2019 at 03:22:26PM +0100, Ferruh Yigit wrote:
> Build error seen with Linux kernel 5.1 and
> when CONFIG_RTE_KNI_KMOD_ETHTOOL is enabled.
>
> Build error:
> .../dpdk/build/build/kernel/linux/kni/igb_main.c:2352:18:
>   error: initialization of ... from incompatible pointer type ...
>   [-Werror=incompatible-pointer-types]
>     .ndo_fdb_add  = igb_ndo_fdb_add,
>                       ^~~~~~~~~~~~~~~
>
> ndo_fdb_add() is changed in Linux kernel version 5.1 and now requires
> a new parameter, 'struct netlink_ext_ack *extack':
> Linux Commit 87b0984ebfab ("net: Add extack argument to ndo_fdb_add()")
>
> ndo_fdb_add() parameter updated with compile time Linux kernel version
> check.
>
> Cc: stable at dpdk.org
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
> ---
Tested-by: Bruce Richardson <bruce.richardson at intel.com>

Thanks.
Checked build with CONFIG_RTE_KNI_KMOD_ETHTOOL=y
after applying the patch, build was done against the bleeding edge of
net-next of today (kernel 5.1-rc4).
Build of the kni kernel module completed successfully.

Reviewed-by: Rami Rosen <ramirose at gmail.com>