[PATCH] net/i40e: support GTP in tunnel parameters parsing

[Bruce Richardson]

On Wed, Jul 09, 2025 at 04:32:14PM +0800, Yijun Geng wrote:
> i40e I40E_TX_OFFLOAD_MASK indicates that all tunnel types are supported,
> but gtp type is not considered in i40e_parse_tunneling_params(),
> tunneling parameter: L4TUNLEN is not set. During TX checksum offloading,
> the incorrect L3 header offset was used when calculating the inner IP
> checksum,  resulting in modifying the length field of the GTP header.
> 
> Signed-off-by: Yijun Geng <1204565380 at qq.com>
> ---
>  drivers/net/intel/i40e/i40e_rxtx.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/intel/i40e/i40e_rxtx.c b/drivers/net/intel/i40e/i40e_rxtx.c
> index aba3c11ee5..d59d81474e 100644
> --- a/drivers/net/intel/i40e/i40e_rxtx.c
> +++ b/drivers/net/intel/i40e/i40e_rxtx.c
> @@ -274,6 +274,7 @@ i40e_parse_tunneling_params(uint64_t ol_flags,
>  		break;
>  	case RTE_MBUF_F_TX_TUNNEL_VXLAN:
>  	case RTE_MBUF_F_TX_TUNNEL_GENEVE:
> +	case RTE_MBUF_F_TX_TUNNEL_GTP:
>  		*cd_tunneling |= I40E_TXD_CTX_UDP_TUNNELING;
>  		break;
>  	case RTE_MBUF_F_TX_TUNNEL_GRE:
> -- 

Seems ok to me.

Acked-by: Bruce Richardson <bruce.richardson at intel.com>