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/* 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>
#include <net/dsa.h>
struct dsa_switch;
struct dsa_port;
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);
int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port,
struct dsa_bridge bridge);
void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_bridge bridge);
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);
u16 dsa_8021q_bridge_tx_fwd_offload_vid(unsigned int bridge_num);
u16 dsa_tag_8021q_tx_vid(const struct dsa_port *dp);
u16 dsa_tag_8021q_rx_vid(const struct dsa_port *dp);
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 */
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