[PATCH net-next v5 0/3] net: flower: add cfm support

[Zahari Doychev <zahari.doychev@linux.com>]

From: Zahari Doychev <zdoychev@maxlinear.com>

The first patch adds cfm support to the flow dissector.
The second adds the flower classifier support.
The third adds a selftest for the flower cfm functionality.

iproute2 changes will come in follow up patches.

---
v4->v5
 - fix coding style in flow dissector
 - use strict validation for flower cfm attributes
 - selftest: remove unused ip address configuration
 - selftest: make cfm packet generation code more readable
 - selftest: use the same pref for each filter
 - selftest: check if all filters match

v3->v4
 - use correct size in memchr_inv()
 - remove md level range check and use NLA_POLICY_MAX

v2->v3
 - split the flow dissector and flower changes in separate patches
 - use bit field macros
 - copy separately each cfm key field

v1->v2:
 - add missing comments
 - improve cfm packet dissection
 - move defines to header file
 - fix code formatting
 - remove unneeded attribute defines

rfc->v1:
 - add selftest to the makefile TEST_PROGS.

Zahari Doychev (3):
  net: flow_dissector: add support for cfm packets
  net: flower: add support for matching cfm fields
  selftests: net: add tc flower cfm test

 include/net/flow_dissector.h                  |  21 ++
 include/uapi/linux/pkt_cls.h                  |   9 +
 net/core/flow_dissector.c                     |  30 +++
 net/sched/cls_flower.c                        | 195 +++++++++++++----
 .../testing/selftests/net/forwarding/Makefile |   1 +
 .../selftests/net/forwarding/tc_flower_cfm.sh | 206 ++++++++++++++++++
 6 files changed, 416 insertions(+), 46 deletions(-)
 create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_cfm.sh

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2.40.1