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 <[email protected]>
---
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