Acked-by: Pascal Mazon <pascal.ma...@6wind.com>
On 20/09/2017 15:03, Thomas Monjalon wrote:
> The flow API is supported in TAP PMD if flower is supported in Linux.
> Some commands are combined to suggest a convenient check of its support
> by the running kernel.
>
> Signed-off-by: Thomas Monjalon <tho...@monjalon.net>
> ---
> doc/guides/nics/tap.rst | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/doc/guides/nics/tap.rst b/doc/guides/nics/tap.rst
> index f3ee95d28..04086b110 100644
> --- a/doc/guides/nics/tap.rst
> +++ b/doc/guides/nics/tap.rst
> @@ -113,7 +113,14 @@ Flow API support
> ----------------
>
> The tap PMD supports major flow API pattern items and actions, when running
> on
> -linux kernels above 4.2 ("Flower" classifier required). Supported items:
> +linux kernels above 4.2 ("Flower" classifier required).
> +The kernel support can be checked with this command::
> +
> + zcat /proc/config.gz | ( grep 'CLS_FLOWER=' || echo 'not supported' ) |
> + tee -a /dev/stderr | grep -q '=m' &&
> + lsmod | ( grep cls_flower || echo 'try modprobe cls_flower' )
> +
> +Supported items:
>
> - eth: src and dst (with variable masks), and eth_type (0xffff mask).
> - vlan: vid, pcp, tpid, but not eid. (requires kernel 4.9)