flow_offload: Introduce flow_match_pppoe

Allow to offload PPPoE filters by adding flow_rule_match_pppoe.
Drivers can extract PPPoE specific fields from now on.

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

diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index a8d8512..2a9a9e4 100644 (file)
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -76,6 +76,10 @@ struct flow_match_ct {
        struct flow_dissector_key_ct *key, *mask;
 };
 
+struct flow_match_pppoe {
+       struct flow_dissector_key_pppoe *key, *mask;
+};
+
 struct flow_rule;
 
 void flow_rule_match_meta(const struct flow_rule *rule,
@@ -122,6 +126,8 @@ void flow_rule_match_enc_opts(const struct flow_rule *rule,
                              struct flow_match_enc_opts *out);
 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);
 
 enum flow_action_id {
        FLOW_ACTION_ACCEPT              = 0,

diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index 0d3075d..8cfb635 100644 (file)
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -230,6 +230,13 @@ void flow_rule_match_ct(const struct flow_rule *rule,
 }
 EXPORT_SYMBOL(flow_rule_match_ct);
 
+void flow_rule_match_pppoe(const struct flow_rule *rule,
+                          struct flow_match_pppoe *out)
+{
+       FLOW_DISSECTOR_MATCH(rule, FLOW_DISSECTOR_KEY_PPPOE, out);
+}
+EXPORT_SYMBOL(flow_rule_match_pppoe);
+
 struct flow_block_cb *flow_block_cb_alloc(flow_setup_cb_t *cb,
                                          void *cb_ident, void *cb_priv,
                                          void (*release)(void *cb_priv))