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1/* SPDX-License-Identifier: GPL-2.0
2 * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
3 */
4
5#ifndef _NET_DSA_8021Q_H
6#define _NET_DSA_8021Q_H
7
8#include <net/dsa.h>
9#include <linux/types.h>
10
11/* VBID is limited to three bits only and zero is reserved.
12 * Only 7 bridges can be enumerated.
13 */
14#define DSA_TAG_8021Q_MAX_NUM_BRIDGES 7
15
16int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
17
18void dsa_tag_8021q_unregister(struct dsa_switch *ds);
19
20int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
21 struct dsa_bridge bridge, bool *tx_fwd_offload,
22 struct netlink_ext_ack *extack);
23
24void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
25 struct dsa_bridge bridge);
26
27u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num);
28
29u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp);
30
31int dsa_8021q_rx_switch_id(u16 vid);
32
33int dsa_8021q_rx_source_port(u16 vid);
34
35bool vid_is_dsa_8021q(u16 vid);
36
37#endif /* _NET_DSA_8021Q_H */