Re: [dpdk-dev] [PATCH v1 1/2] lib/mbuf: add GTP tunnel type flag

[Olivier Matz <olivier.matz@6wind.com>]

Hi,

On Fri, Sep 20, 2019 at 08:36:23AM +0000, Ting Xu wrote:
> Add GTP tunnel type flag in mbuf for future use in GTP
> checksum offload.
> 
> Signed-off-by: Ting Xu <ting.xu@intel.com>
> ---
>  lib/librte_mbuf/rte_mbuf.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
> index 98225ec80..0a5d67d9a 100644
> --- a/lib/librte_mbuf/rte_mbuf.h
> +++ b/lib/librte_mbuf/rte_mbuf.h
> @@ -251,6 +251,8 @@ extern "C" {
>  /** TX packet with MPLS-in-UDP RFC 7510 header. */
>  #define PKT_TX_TUNNEL_MPLSINUDP (0x5ULL << 45)
>  #define PKT_TX_TUNNEL_VXLAN_GPE (0x6ULL << 45)
> +#define PKT_TX_TUNNEL_GTP       (0x7ULL << 45)
> +
>  /**
>   * Generic IP encapsulated tunnel type, used for TSO and checksum offload.
>   * It can be used for tunnels which are not standards or listed above.

Some updates are missing, for instance in rte_get_tx_ol_flag_name().
Please look what was done for other flags.

Please, can you describe in more details what is expected in the packet
header?

Thanks,
Olivier