From: Wojciech Drewek <wojciech.drewek@intel.com>
Date: Thu, 8 Sep 2022 10:16:43 -0700
Subject: flow_offload: Introduce flow_match_l2tpv3
Patch-mainline: v6.1-rc1
Git-commit: 2c1befaced504a125d1ab7479684a9208879d350
References: jsc#PED-376
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/net/flow_offload.h | 6 ++++++
net/core/flow_offload.c | 7 +++++++
2 files changed, 13 insertions(+)
--- 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 flo
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,
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -237,6 +237,13 @@ void flow_rule_match_pppoe(const struct
}
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))