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 <net/dsa.h> 9 #include <linux/types.h> 10 11 /* VBID is limited to three bits only and zero is reserved. 12 * Only 7 bridges can be enumerated. 13 */ 14 #define DSA_TAG_8021Q_MAX_NUM_BRIDGES 7 15 16 int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); 17 18 void dsa_tag_8021q_unregister(struct dsa_switch *ds); 19 20 int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port, 21 struct dsa_bridge bridge, bool *tx_fwd_offload, 22 struct netlink_ext_ack *extack); 23 24 void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port, 25 struct dsa_bridge bridge); 26 27 u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num); 28 29 u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp); 30 31 int dsa_8021q_rx_switch_id(u16 vid); 32 33 int dsa_8021q_rx_source_port(u16 vid); 34 35 bool vid_is_dsa_8021q(u16 vid); 36 37 #endif /* _NET_DSA_8021Q_H */ 38
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