linux-sg2042/include/linux/dsa/8021q.h

125 lines
2.4 KiB
C

/* 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/types.h>
struct dsa_switch;
struct sk_buff;
struct net_device;
struct packet_type;
struct dsa_8021q_crosschip_link {
struct list_head list;
int port;
struct dsa_switch *other_ds;
int other_port;
refcount_t refcount;
};
#define DSA_8021Q_N_SUBVLAN 8
#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q)
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
bool enabled);
int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links);
int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links);
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci);
u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan);
int dsa_8021q_rx_switch_id(u16 vid);
int dsa_8021q_rx_source_port(u16 vid);
u16 dsa_8021q_rx_subvlan(u16 vid);
bool vid_is_dsa_8021q(u16 vid);
#else
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
bool enabled)
{
return 0;
}
int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links)
{
return 0;
}
int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
struct dsa_switch *other_ds,
int other_port,
struct list_head *crosschip_links)
{
return 0;
}
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci)
{
return NULL;
}
u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port)
{
return 0;
}
u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port)
{
return 0;
}
u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan)
{
return 0;
}
int dsa_8021q_rx_switch_id(u16 vid)
{
return 0;
}
int dsa_8021q_rx_source_port(u16 vid)
{
return 0;
}
u16 dsa_8021q_rx_subvlan(u16 vid)
{
return 0;
}
bool vid_is_dsa_8021q(u16 vid)
{
return false;
}
#endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */
#endif /* _NET_DSA_8021Q_H */