8021q.h (1437B)
1/* SPDX-License-Identifier: GPL-2.0 2 * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> 3 */ 4 5#ifndef _NET_DSA_8021Q_H 6#define _NET_DSA_8021Q_H 7 8#include <linux/refcount.h> 9#include <linux/types.h> 10#include <net/dsa.h> 11 12struct dsa_switch; 13struct dsa_port; 14struct sk_buff; 15struct net_device; 16 17struct dsa_tag_8021q_vlan { 18 struct list_head list; 19 int port; 20 u16 vid; 21 refcount_t refcount; 22}; 23 24struct dsa_8021q_context { 25 struct dsa_switch *ds; 26 struct list_head vlans; 27 /* EtherType of RX VID, used for filtering on master interface */ 28 __be16 proto; 29}; 30 31int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); 32 33void dsa_tag_8021q_unregister(struct dsa_switch *ds); 34 35int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port, 36 struct dsa_bridge bridge); 37 38void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port, 39 struct dsa_bridge bridge); 40 41struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, 42 u16 tpid, u16 tci); 43 44void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id, 45 int *vbid); 46 47struct net_device *dsa_tag_8021q_find_port_by_vbid(struct net_device *master, 48 int vbid); 49 50u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num); 51 52u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp); 53 54int dsa_8021q_rx_switch_id(u16 vid); 55 56int dsa_8021q_rx_source_port(u16 vid); 57 58bool vid_is_dsa_8021q(u16 vid); 59 60#endif /* _NET_DSA_8021Q_H */