1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h
new file mode 100644
index 000000000000..d13aabdeb4b2
--- /dev/null
+++ b/include/linux/dsa/8021q.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
+ */
+
+#ifndef _NET_DSA_8021Q_H
+#define _NET_DSA_8021Q_H
+
+#include <net/dsa.h>
+#include <linux/types.h>
+
+/* VBID is limited to three bits only and zero is reserved.
+ * Only 7 bridges can be enumerated.
+ */
+#define DSA_TAG_8021Q_MAX_NUM_BRIDGES	7
+
+int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
+
+void dsa_tag_8021q_unregister(struct dsa_switch *ds);
+
+int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
+			      struct dsa_bridge bridge, bool *tx_fwd_offload,
+			      struct netlink_ext_ack *extack);
+
+void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
+				struct dsa_bridge bridge);
+
+u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num);
+
+u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp);
+
+int dsa_8021q_rx_switch_id(u16 vid);
+
+int dsa_8021q_rx_source_port(u16 vid);
+
+bool vid_is_dsa_8021q(u16 vid);
+
+#endif /* _NET_DSA_8021Q_H */