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net/sched: flower: define new tunnel flags

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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@fiberby.net>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20240713021911.1631517-4-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Asbjørn Sloth Tønnesen 2024-07-13 02:19:00 +00:00 committed by Jakub Kicinski
parent 49ba9fc1c7
commit bfda5a6313
3 changed files with 14 additions and 1 deletions
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4
Documentation/netlink/specs/tc.yaml
View File

@ -47,6 +47,10 @@ definitions:
entries:
- frag
- firstfrag
- tuncsum
- tundf
- tunoam
- tuncrit
-
name: tc-stats
type: struct

7
include/net/flow_dissector.h
View File

@ -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),

4
include/uapi/linux/pkt_cls.h
View File

@ -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,
};