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authorPaul Blakey <paulb@mellanox.com>2019-07-09 10:30:49 +0300
committerDavid S. Miller <davem@davemloft.net>2019-07-09 12:11:59 -0700
commit75a56758d6390ea6db523ad26ce378f34b907b0c (patch)
treece8e01e2dda0e1cbe553e983cbcf468fb5427c11 /include
parentnet/sched: Introduce action ct (diff)
downloadlinux-dev-75a56758d6390ea6db523ad26ce378f34b907b0c.tar.xz
linux-dev-75a56758d6390ea6db523ad26ce378f34b907b0c.zip
net/flow_dissector: add connection tracking dissection
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/skbuff.h10
-rw-r--r--include/net/flow_dissector.h15
2 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 9d7a2c28ea35..d8af86d995d6 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -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,
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 02478e48fae4..90bd210be060 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -208,6 +208,20 @@ struct flow_dissector_key_meta {
int ingress_ifindex;
};
+/**
+ * struct flow_dissector_key_ct:
+ * @ct_state: conntrack state after converting with map
+ * @ct_mark: conttrack mark
+ * @ct_zone: conntrack zone
+ * @ct_labels: conntrack labels
+ */
+struct flow_dissector_key_ct {
+ u16 ct_state;
+ u16 ct_zone;
+ u32 ct_mark;
+ u32 ct_labels[4];
+};
+
enum flow_dissector_key_id {
FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */
FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */
@@ -234,6 +248,7 @@ enum flow_dissector_key_id {
FLOW_DISSECTOR_KEY_ENC_IP, /* struct flow_dissector_key_ip */
FLOW_DISSECTOR_KEY_ENC_OPTS, /* struct flow_dissector_key_enc_opts */
FLOW_DISSECTOR_KEY_META, /* struct flow_dissector_key_meta */
+ FLOW_DISSECTOR_KEY_CT, /* struct flow_dissector_key_ct */
FLOW_DISSECTOR_KEY_MAX,
};