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Linux kernel mirror (for testing)
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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 <linux/refcount.h>
9#include <linux/types.h>
10#include <net/dsa.h>
11
12struct dsa_switch;
13struct dsa_port;
14struct sk_buff;
15struct net_device;
16
17struct dsa_tag_8021q_vlan {
18 struct list_head list;
19 int port;
20 u16 vid;
21 refcount_t refcount;
22};
23
24struct dsa_8021q_context {
25 struct dsa_switch *ds;
26 struct list_head vlans;
27 /* EtherType of RX VID, used for filtering on master interface */
28 __be16 proto;
29};
30
31int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
32
33void dsa_tag_8021q_unregister(struct dsa_switch *ds);
34
35int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
36 struct dsa_bridge bridge);
37
38void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
39 struct dsa_bridge bridge);
40
41struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
42 u16 tpid, u16 tci);
43
44void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
45 int *vbid);
46
47struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master,
48 int vbid);
49
50u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num);
51
52u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp);
53
54int dsa_8021q_rx_switch_id(u16 vid);
55
56int dsa_8021q_rx_source_port(u16 vid);
57
58bool vid_is_dsa_8021q(u16 vid);
59
60#endif /* _NET_DSA_8021Q_H */