1 /* SPDX-License-Identifier: GPL-2.0
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 #if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q)
42 int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled);
44 int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
45 struct dsa_8021q_context *other_ctx,
48 int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
49 struct dsa_8021q_context *other_ctx,
52 struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
55 u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
57 u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
59 u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan);
61 int dsa_8021q_rx_switch_id(u16 vid);
63 int dsa_8021q_rx_source_port(u16 vid);
65 u16 dsa_8021q_rx_subvlan(u16 vid);
67 bool vid_is_dsa_8021q_rxvlan(u16 vid);
69 bool vid_is_dsa_8021q_txvlan(u16 vid);
71 bool vid_is_dsa_8021q(u16 vid);
75 int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled)
80 int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
81 struct dsa_8021q_context *other_ctx,
87 int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
88 struct dsa_8021q_context *other_ctx,
94 struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
100 u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port)
105 u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port)
110 u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan)
115 int dsa_8021q_rx_switch_id(u16 vid)
120 int dsa_8021q_rx_source_port(u16 vid)
125 u16 dsa_8021q_rx_subvlan(u16 vid)
130 bool vid_is_dsa_8021q_rxvlan(u16 vid)
135 bool vid_is_dsa_8021q_txvlan(u16 vid)
140 bool vid_is_dsa_8021q(u16 vid)
145 #endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */
147 #endif /* _NET_DSA_8021Q_H */