Messages in this thread Patch in this message | | | From | Asbjørn Sloth Tønnesen <> | Subject | [PATCH net-next 5/6] flow_offload: add flow_rule_match_no_control_flags() | Date | Mon, 8 Apr 2024 13:09:23 +0000 |
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This helper can by used by drivers, that doesn't look into FLOW_DISSECTOR_KEY_CONTROL at all.
This is aimed at drivers, which doesn't call flow_rule_match_control() directly, and therefore doesn't support any control flags.
Only compile-tested.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> --- include/net/flow_offload.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h index 415d225204a1f..b427b93d151a9 100644 --- a/include/net/flow_offload.h +++ b/include/net/flow_offload.h @@ -484,6 +484,26 @@ static inline bool flow_rule_no_control_flags(const u32 flags, return flow_rule_no_unsupp_control_flags(0, flags, extack); } +/** + * flow_rule_match_no_control_flags() - match and check for any control flags + * @rule: The flow_rule under evaluation. + * @extack: The netlink extended ACK for reporting errors. + * + * Returns true if no control flags are set, false otherwise. + */ +static inline bool flow_rule_match_no_control_flags(struct flow_rule *rule, + struct netlink_ext_ack *extack) +{ + struct flow_match_control match; + + if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) + return true; + + flow_rule_match_control(rule, &match); + + return flow_rule_no_control_flags(match.mask->flags, extack); +} + struct flow_stats { u64 pkts; u64 bytes; -- 2.43.0
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