netdev - [PATCH net-next v7 0/3] net: flower: add cfm support

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Message-ID: <20230608105648.266575-1-zahari.doychev@linux.com>
Date: Thu,  8 Jun 2023 12:56:45 +0200
From: Zahari Doychev <zahari.doychev@...ux.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
	xiyou.wangcong@...il.com,
	jiri@...nulli.us,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	hmehrtens@...linear.com,
	aleksander.lobakin@...el.com,
	simon.horman@...igine.com,
	idosch@...sch.org,
	Zahari Doychev <zdoychev@...linear.com>
Subject: [PATCH net-next v7 0/3] net: flower: add cfm support

From: Zahari Doychev <zdoychev@...linear.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.

---
v6->v7
 - make fl_set_key_cfm_md_level() void

v5->v6
 - do not use NLA_POLICY_NESTED() for cfm_opt_policy attribute

v4->v5
 - fix coding style in flow dissector
 - use strict validation for flower cfm attributes
 - selftest: remove unneeded parameters and 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                        | 102 +++++++++
 .../testing/selftests/net/forwarding/Makefile |   1 +
 .../selftests/net/forwarding/tc_flower_cfm.sh | 206 ++++++++++++++++++
 6 files changed, 369 insertions(+)
 create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_cfm.sh

-- 
2.41.0