Introduce SW acceleration for IPIP tunnels in the netfilter flowtable infrastructure.
Hi Pablo,
do you have any update on v5?
Regards, Lorenzo
Changes in v5:
- Rely on __ipv4_addr_hash() to compute the hash used as encap ID
- Remove unnecessary pskb_may_pull() in nf_flow_tuple_encap()
- Add nf_flow_ip4_ecanp_pop utility routine
- Link to v4: https://lore.kernel.org/r/20250718-nf-flowtable-ipip-v4-0-f8bb1c18b986@kerne...
Changes in v4:
- Use the hash value of the saddr, daddr and protocol of outer IP header as encapsulation id.
- Link to v3: https://lore.kernel.org/r/20250703-nf-flowtable-ipip-v3-0-880afd319b9f@kerne...
Changes in v3:
- Add outer IP header sanity checks
- target nf-next tree instead of net-next
- Link to v2: https://lore.kernel.org/r/20250627-nf-flowtable-ipip-v2-0-c713003ce75b@kerne...
Changes in v2:
- Introduce IPIP flowtable selftest
- Link to v1: https://lore.kernel.org/r/20250623-nf-flowtable-ipip-v1-1-2853596e3941@kerne...
Lorenzo Bianconi (2): net: netfilter: Add IPIP flowtable SW acceleration selftests: netfilter: nft_flowtable.sh: Add IPIP flowtable selftest
include/linux/netdevice.h | 1 + net/ipv4/ipip.c | 28 +++++++++++ net/netfilter/nf_flow_table_ip.c | 56 +++++++++++++++++++++- net/netfilter/nft_flow_offload.c | 1 + .../selftests/net/netfilter/nft_flowtable.sh | 40 ++++++++++++++++ 5 files changed, 124 insertions(+), 2 deletions(-)
base-commit: dd500e4aecf25e48e874ca7628697969df679493 change-id: 20250623-nf-flowtable-ipip-1b3d7b08d067
Best regards,
Lorenzo Bianconi lorenzo@kernel.org