On 7/7/20 8:48 PM, Huazhong Tan wrote:
> Add NETIF_F_SOFTWARE_GSO to the the list of GSO features with
s/NETIF_F_SOFTWARE_GSO/NETIF_F_GSO_UDP_L4/
> a software fallback. This allows UDP GSO to be used even if
> the hardware does not support it, and for virtual device such
> as VxLAN device, this UDP segmentation will be postponed to
> physical device.
Is GSO stack or hardware USO able to perform this segmentation,
with vxlan (or other) added encapsulation ?
What about code in net/core/tso.c (in net-next tree) ?
>
> Signed-off-by: Huazhong Tan <tanhuazh...@huawei.com>
> ---
> include/linux/netdev_features.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
> index 2cc3cf8..c7eef16 100644
> --- a/include/linux/netdev_features.h
> +++ b/include/linux/netdev_features.h
> @@ -207,7 +207,7 @@ static inline int find_next_netdev_feature(u64 feature,
> unsigned long start)
> NETIF_F_FSO)
>
> /* List of features with software fallbacks. */
> -#define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO | \
> +#define NETIF_F_GSO_SOFTWARE (NETIF_F_ALL_TSO | NETIF_F_GSO_UDP_L4 | \
> NETIF_F_GSO_SCTP)
>
> /*
>
