1 /* SPDX-License-Identifier: GPL-2.0
2 * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
5 #ifndef _NET_DSA_8021Q_H
6 #define _NET_DSA_8021Q_H
8 #include <linux/refcount.h>
9 #include <linux/types.h>
15 struct dsa_8021q_context;
17 struct dsa_8021q_crosschip_link {
18 struct list_head list;
20 struct dsa_8021q_context *other_ctx;
25 struct dsa_8021q_ops {
26 int (*vlan_add)(struct dsa_switch *ds, int port, u16 vid, u16 flags);
27 int (*vlan_del)(struct dsa_switch *ds, int port, u16 vid);
30 struct dsa_8021q_context {
31 const struct dsa_8021q_ops *ops;
32 struct dsa_switch *ds;
33 struct list_head crosschip_links;
34 /* EtherType of RX VID, used for filtering on master interface */
38 #define DSA_8021Q_N_SUBVLAN 8
40 int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled);
42 int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
43 struct dsa_8021q_context *other_ctx,
46 int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
47 struct dsa_8021q_context *other_ctx,
50 struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
53 void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
56 u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
58 u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
60 u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan);
62 int dsa_8021q_rx_switch_id(u16 vid);
64 int dsa_8021q_rx_source_port(u16 vid);
66 u16 dsa_8021q_rx_subvlan(u16 vid);
68 bool vid_is_dsa_8021q_rxvlan(u16 vid);
70 bool vid_is_dsa_8021q_txvlan(u16 vid);
72 bool vid_is_dsa_8021q(u16 vid);
74 #endif /* _NET_DSA_8021Q_H */