flow_offload: Introduce flow_match_l2tpv3

Allow to offload L2TPv3 filters by adding flow_rule_match_l2tpv3.
Drivers can extract L2TPv3 specific fields from now on.

Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 2a9a9e4..e343f9f 100644 (file)
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -80,6 +80,10 @@ struct flow_match_pppoe {
        struct flow_dissector_key_pppoe *key, *mask;
 };
 
+struct flow_match_l2tpv3 {
+       struct flow_dissector_key_l2tpv3 *key, *mask;
+};
+
 struct flow_rule;
 
 void flow_rule_match_meta(const struct flow_rule *rule,
@@ -128,6 +132,8 @@ void flow_rule_match_ct(const struct flow_rule *rule,
                        struct flow_match_ct *out);
 void flow_rule_match_pppoe(const struct flow_rule *rule,
                           struct flow_match_pppoe *out);
+void flow_rule_match_l2tpv3(const struct flow_rule *rule,
+                           struct flow_match_l2tpv3 *out);
 
 enum flow_action_id {
        FLOW_ACTION_ACCEPT              = 0,

diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index 8cfb635..abe423f 100644 (file)
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -237,6 +237,13 @@ void flow_rule_match_pppoe(const struct flow_rule *rule,
 }
 EXPORT_SYMBOL(flow_rule_match_pppoe);
 
+void flow_rule_match_l2tpv3(const struct flow_rule *rule,
+                           struct flow_match_l2tpv3 *out)
+{
+       FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_L2TPV3, out);
+}
+EXPORT_SYMBOL(flow_rule_match_l2tpv3);
+
 struct flow_block_cb *flow_block_cb_alloc(flow_setup_cb_t *cb,
                                          void *cb_ident, void *cb_priv,
                                          void (*release)(void *cb_priv))