/* 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 <linux/refcount.h> #include <linux/types.h> struct dsa_switch; struct sk_buff; struct net_device; struct dsa_tag_8021q_vlan { struct list_head list; int port; u16 vid; refcount_t refcount; }; struct dsa_8021q_context { struct dsa_switch *ds; struct list_head vlans; /* EtherType of RX VID, used for filtering on master interface */ __be16 proto; }; int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); void dsa_tag_8021q_unregister(struct dsa_switch *ds); struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, u16 tpid, u16 tci); void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id); int dsa_tag_8021q_bridge_tx_fwd_offload(struct dsa_switch *ds, int port, struct net_device *br, int bridge_num); void dsa_tag_8021q_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port, struct net_device *br, int bridge_num); u16 dsa_8021q_bridge_tx_fwd_offload_vid(int bridge_num); u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port); u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port); int dsa_8021q_rx_switch_id(u16 vid); int dsa_8021q_rx_source_port(u16 vid); bool vid_is_dsa_8021q_rxvlan(u16 vid); bool vid_is_dsa_8021q_txvlan(u16 vid); bool vid_is_dsa_8021q(u16 vid); #endif /* _NET_DSA_8021Q_H */