Introduce xdp frags support to veth driver in order to allow increasing the mtu over the page boundary if the attached xdp program declares to support xdp fragments. Enable NETIF_F_ALL_TSO when the device is running in xdp mode. This series has been tested running xdp_router_ipv4 sample available in the kernel tree redirecting tcp traffic from veth pair into the mvneta driver. Changes since v3: - introduce a check on max_mtu for xdp mode in veth_xdp_set() Changes since v2: - move rcu_access_pointer() check in veth_skb_is_eligible_for_gro Changes since v1: - always consider skb paged are non-writable - fix tpt issue with sctp - always use napi if we are running in xdp mode in veth_xmit Lorenzo Bianconi (3): net: veth: account total xdp_frame len running ndo_xdp_xmit veth: rework veth_xdp_rcv_skb in order to accept non-linear skb veth: allow jumbo frames in xdp mode drivers/net/veth.c | 206 ++++++++++++++++++++++++++++++--------------- include/net/xdp.h | 14 +++ net/core/xdp.c | 1 + 3 files changed, 152 insertions(+), 69 deletions(-) -- 2.35.1
