[PATCH nf-next 0/4] Add IPv4 over IPv6 flowtable SW acceleration

Lorenzo Bianconi lorenzo at kernel.org
Tue May 5 07:49:22 PDT 2026


Similar to IPIP and IP6I6 tunnels, introduce sw acceleration for IPv4 over
IPv6 tunnels in the netfilter flowtable infrastructure.

---
Lorenzo Bianconi (4):
      net: netfilter: Add ether_type to net_device_path_ctx
      net: netfilter: Add encap_proto to flow_offload_tunnel
      net: netfilter: Add IPv4 over IPv6 tunnel flowtable acceleration
      selftests: netfilter: nft_flowtable.sh: Add IPv4 over IPv6 flowtable selftest

 drivers/net/ethernet/airoha/airoha_ppe.c           |  14 ++-
 drivers/net/ethernet/mediatek/mtk_ppe_offload.c    |  13 ++-
 include/linux/netdevice.h                          |   5 +-
 include/net/netfilter/nf_flow_table.h              |   1 +
 net/core/dev.c                                     |   6 +-
 net/ipv4/ipip.c                                    |   1 +
 net/ipv6/ip6_tunnel.c                              |   6 +-
 net/netfilter/nf_flow_table_core.c                 |  14 ++-
 net/netfilter/nf_flow_table_ip.c                   | 129 ++++++++++++++++-----
 net/netfilter/nf_flow_table_path.c                 |  16 +--
 .../selftests/net/netfilter/nft_flowtable.sh       |  26 +++++
 11 files changed, 174 insertions(+), 57 deletions(-)
---
base-commit: c1e5127b577c6b88fa48e532616932ae978528d5
change-id: 20260505-b4-flowtable-sw-accel-ip6ip-7101034cd147

Best regards,
-- 
Lorenzo Bianconi <lorenzo at kernel.org>




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