netdev - [PATCH iwl-next v3 0/6] ice: Add PFCP filter support

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Date: Fri, 21 Jul 2023 09:15:26 +0200
From: Marcin Szycik <marcin.szycik@...ux.intel.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org,
	wojciech.drewek@...el.com,
	michal.swiatkowski@...ux.intel.com,
	aleksander.lobakin@...el.com,
	davem@...emloft.net,
	kuba@...nel.org,
	jiri@...nulli.us,
	pabeni@...hat.com,
	jesse.brandeburg@...el.com,
	simon.horman@...igine.com,
	idosch@...dia.com,
	andy@...nel.org,
	Marcin Szycik <marcin.szycik@...ux.intel.com>
Subject: [PATCH iwl-next v3 0/6] ice: Add PFCP filter support

Add support for creating PFCP filters in switchdev mode. Add pfcp module
that allows to create a PFCP-type netdev. The netdev then can be passed to
tc when creating a filter to indicate that PFCP filter should be created.

To add a PFCP filter, a special netdev must be created and passed to tc
command:

ip link add pfcp0 type pfcp
tc filter add dev eth0 ingress prio 1 flower pfcp_opts \
1:123/ff:fffffffffffffff0 skip_hw action mirred egress redirect dev pfcp0

Changes in iproute2 [1] are required to use pfcp_opts in tc.

ICE COMMS package is required as it contains PFCP profiles.

Part of this patchset modifies IP_TUNNEL_*_OPTs, which were previously
stored in a __be16. All possible values have already been used, making it
impossible to add new ones.

[1] https://lore.kernel.org/netdev/20230614091758.11180-1-marcin.szycik@linux.intel.com

v2: Fixed minor issues, typos
v3: Rebase

Alexander Lobakin (2):
  ip_tunnel: use a separate struct to store tunnel params in the kernel
  ip_tunnel: convert __be16 tunnel flags to bitmaps

Marcin Szycik (2):
  ice: refactor ICE_TC_FLWR_FIELD_ENC_OPTS
  ice: Add support for PFCP hardware offload in switchdev

Michal Swiatkowski (1):
  pfcp: always set pfcp metadata

Wojciech Drewek (1):
  pfcp: add PFCP module

 drivers/net/Kconfig                           |  13 +
 drivers/net/Makefile                          |   1 +
 drivers/net/bareudp.c                         |  19 +-
 drivers/net/ethernet/intel/ice/ice_ddp.c      |   9 +
 .../net/ethernet/intel/ice/ice_flex_type.h    |   4 +-
 .../ethernet/intel/ice/ice_protocol_type.h    |  12 +
 drivers/net/ethernet/intel/ice/ice_switch.c   |  85 +++++
 drivers/net/ethernet/intel/ice/ice_switch.h   |   2 +
 drivers/net/ethernet/intel/ice/ice_tc_lib.c   |  68 +++-
 drivers/net/ethernet/intel/ice/ice_tc_lib.h   |   7 +-
 .../ethernet/mellanox/mlx5/core/en/tc_tun.h   |   2 +-
 .../mellanox/mlx5/core/en/tc_tun_encap.c      |   6 +-
 .../mellanox/mlx5/core/en/tc_tun_geneve.c     |  12 +-
 .../mellanox/mlx5/core/en/tc_tun_gre.c        |   9 +-
 .../mellanox/mlx5/core/en/tc_tun_vxlan.c      |   9 +-
 .../net/ethernet/mellanox/mlx5/core/en_tc.c   |  15 +-
 .../ethernet/mellanox/mlxsw/spectrum_ipip.c   |  62 ++--
 .../ethernet/mellanox/mlxsw/spectrum_ipip.h   |   2 +-
 .../ethernet/mellanox/mlxsw/spectrum_span.c   |  10 +-
 .../ethernet/netronome/nfp/flower/action.c    |  12 +-
 drivers/net/geneve.c                          |  46 ++-
 drivers/net/pfcp.c                            | 303 ++++++++++++++++++
 drivers/net/vxlan/vxlan_core.c                |  14 +-
 include/linux/netdevice.h                     |   7 +-
 include/net/dst_metadata.h                    |  10 +-
 include/net/flow_dissector.h                  |   2 +-
 include/net/gre.h                             |  59 ++--
 include/net/ip6_tunnel.h                      |   4 +-
 include/net/ip_tunnels.h                      | 108 ++++++-
 include/net/pfcp.h                            |  83 +++++
 include/net/udp_tunnel.h                      |   4 +-
 include/uapi/linux/if_tunnel.h                |  36 +++
 include/uapi/linux/pkt_cls.h                  |  14 +
 net/bridge/br_vlan_tunnel.c                   |   9 +-
 net/core/filter.c                             |  20 +-
 net/core/flow_dissector.c                     |  12 +-
 net/ipv4/fou_bpf.c                            |   2 +-
 net/ipv4/gre_demux.c                          |   2 +-
 net/ipv4/ip_gre.c                             | 148 +++++----
 net/ipv4/ip_tunnel.c                          |  92 ++++--
 net/ipv4/ip_tunnel_core.c                     |  83 +++--
 net/ipv4/ip_vti.c                             |  43 ++-
 net/ipv4/ipip.c                               |  33 +-
 net/ipv4/ipmr.c                               |   2 +-
 net/ipv4/udp_tunnel_core.c                    |   5 +-
 net/ipv6/addrconf.c                           |   3 +-
 net/ipv6/ip6_gre.c                            |  87 ++---
 net/ipv6/ip6_tunnel.c                         |  14 +-
 net/ipv6/sit.c                                |  47 ++-
 net/netfilter/ipvs/ip_vs_core.c               |   6 +-
 net/netfilter/ipvs/ip_vs_xmit.c               |  20 +-
 net/netfilter/nft_tunnel.c                    |  45 +--
 net/openvswitch/flow_netlink.c                |  55 ++--
 net/psample/psample.c                         |  26 +-
 net/sched/act_tunnel_key.c                    |  39 +--
 net/sched/cls_flower.c                        | 134 +++++++-
 56 files changed, 1505 insertions(+), 471 deletions(-)
 create mode 100644 drivers/net/pfcp.c
 create mode 100644 include/net/pfcp.h

-- 
2.41.0