On 2/4/25 21:49, Eric Woudstra wrote: > Loosely based on wenxu's patches: > > "nf_flow_table_offload: offload the vlan/PPPoE encap in the flowtable". > > Fixed double vlan and pppoe packets, almost entirely rewriting the patch. > > After this patch, it is possible to transmit packets in the fastpath with > outgoing encaps, without using vlan- and/or pppoe-devices. > > This makes it possible to use more different kinds of network setups. > For example, when bridge tagging is used to egress vlan tagged > packets using the forward fastpath. Another example is passing 802.1q > tagged packets through a bridge using the bridge fastpath. > > This also makes the software fastpath process more similar to the > hardware offloaded fastpath process, where encaps are also pushed. > > After applying this patch, always info->outdev = info->hw_outdev, > so the netfilter code can be further cleaned up by removing: > * hw_outdev from struct nft_forward_info > * out.hw_ifindex from struct nf_flow_route > * out.hw_ifidx from struct flow_offload_tuple > > Signed-off-by: Eric Woudstra <ericwouds@xxxxxxxxx> > --- > net/netfilter/nf_flow_table_ip.c | 96 +++++++++++++++++++++++++++++++- > net/netfilter/nft_flow_offload.c | 6 +- > 2 files changed, 96 insertions(+), 6 deletions(-) > Too bad the existing vlan push helpers can't be used. :) Reviewed-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>
