flow_dissector: Add flag to stop parsing at L3
Add an input flag to flow dissector on rather dissection should be
stopped when an L3 packet is encountered. This would be useful if a
caller just wanted to get IP addresses of the outermost header (e.g.
to do an L3 hash).
Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 3410227..bb81e3b 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -125,6 +125,7 @@
};
#define FLOW_DISSECTOR_F_PARSE_1ST_FRAG BIT(0)
+#define FLOW_DISSECTOR_F_STOP_AT_L3 BIT(1)
struct flow_dissector_key {
enum flow_dissector_key_id key_id;