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Message-ID: <20240713021911.1631517-4-ast@fiberby.net>
Date: Sat, 13 Jul 2024 02:19:00 +0000
From: Asbjørn Sloth Tønnesen <ast@...erby.net>
To: netdev@...r.kernel.org
Cc: Asbjørn Sloth Tønnesen <ast@...erby.net>,
	Davide Caratti <dcaratti@...hat.com>,
	Ilya Maximets <i.maximets@....org>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	David Ahern <dsahern@...nel.org>,
	Simon Horman <horms@...nel.org>,
	Ratheesh Kannoth <rkannoth@...vell.com>,
	Florian Westphal <fw@...len.de>,
	Alexander Lobakin <aleksander.lobakin@...el.com>,
	Donald Hunter <donald.hunter@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH net-next v4 03/13] net/sched: flower: define new tunnel flags

Define new TCA_FLOWER_KEY_FLAGS_* flags for use in struct
flow_dissector_key_control, covering the same flags as
currently exposed through TCA_FLOWER_KEY_ENC_FLAGS.

Put the new flags under FLOW_DIS_F_*. The idea is that we can
later, move the existing flags under FLOW_DIS_F_* as well.

The ynl flag names have been taken from the RFC iproute2 patch.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>
---
 Documentation/netlink/specs/tc.yaml | 4 ++++
 include/net/flow_dissector.h        | 7 ++++++-
 include/uapi/linux/pkt_cls.h        | 4 ++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/netlink/specs/tc.yaml b/Documentation/netlink/specs/tc.yaml
index fbbc928647fa3..aa574e3827abc 100644
--- a/Documentation/netlink/specs/tc.yaml
+++ b/Documentation/netlink/specs/tc.yaml
@@ -47,6 +47,10 @@ definitions:
     entries:
       - frag
       - firstfrag
+      - tuncsum
+      - tundf
+      - tunoam
+      - tuncrit
   -
     name: tc-stats
     type: struct
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index c3fce070b9129..460ea65b9e592 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -17,7 +17,8 @@ struct sk_buff;
  * struct flow_dissector_key_control:
  * @thoff:     Transport header offset
  * @addr_type: Type of key. One of FLOW_DISSECTOR_KEY_*
- * @flags:     Key flags. Any of FLOW_DIS_(IS_FRAGMENT|FIRST_FRAGENCAPSULATION)
+ * @flags:     Key flags.
+ *             Any of FLOW_DIS_(IS_FRAGMENT|FIRST_FRAG|ENCAPSULATION|F_*)
  */
 struct flow_dissector_key_control {
 	u16	thoff;
@@ -31,6 +32,10 @@ struct flow_dissector_key_control {
 enum flow_dissector_ctrl_flags {
 	FLOW_DIS_IS_FRAGMENT		= TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT,
 	FLOW_DIS_FIRST_FRAG		= TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST,
+	FLOW_DIS_F_TUNNEL_CSUM		= TCA_FLOWER_KEY_FLAGS_TUNNEL_CSUM,
+	FLOW_DIS_F_TUNNEL_DONT_FRAGMENT	= TCA_FLOWER_KEY_FLAGS_TUNNEL_DONT_FRAGMENT,
+	FLOW_DIS_F_TUNNEL_OAM		= TCA_FLOWER_KEY_FLAGS_TUNNEL_OAM,
+	FLOW_DIS_F_TUNNEL_CRIT_OPT	= TCA_FLOWER_KEY_FLAGS_TUNNEL_CRIT_OPT,
 
 	/* These flags are internal to the kernel */
 	FLOW_DIS_ENCAPSULATION		= (TCA_FLOWER_KEY_FLAGS_MAX << 1),
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index 12db276f0c11e..3dc4388e944cb 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -677,6 +677,10 @@ enum {
 enum {
 	TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
 	TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
+	TCA_FLOWER_KEY_FLAGS_TUNNEL_CSUM = (1 << 2),
+	TCA_FLOWER_KEY_FLAGS_TUNNEL_DONT_FRAGMENT = (1 << 3),
+	TCA_FLOWER_KEY_FLAGS_TUNNEL_OAM = (1 << 4),
+	TCA_FLOWER_KEY_FLAGS_TUNNEL_CRIT_OPT = (1 << 5),
 	__TCA_FLOWER_KEY_FLAGS_MAX,
 };
 
-- 
2.45.2


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