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net/flow_dissector: add connection tracking dissection

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Retreives connection tracking zone, mark, label, and state from
a SKB.

Signed-off-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Blakey
2019-07-09 10:30:49 +03:00
committed by David S. Miller
parent b57dc7c13e
commit 75a56758d6
3 changed files with 69 additions and 0 deletions
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10
include/linux/skbuff.h
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@@ -1325,6 +1325,16 @@ void skb_flow_dissect_meta(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
void *target_container);
/* Gets a skb connection tracking info, ctinfo map should be a
* a map of mapsize to translate enum ip_conntrack_info states
* to user states.
*/
void
skb_flow_dissect_ct(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
void *target_container,
u16 *ctinfo_map,
size_t mapsize);
void
skb_flow_dissect_tunnel_info(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,