| 1 | /* SPDX-License-Identifier: GPL-2.0 |
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| 2 | * Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com> |
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| 3 | */ |
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| 4 | |
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| 5 | #ifndef _NET_DSA_8021Q_H |
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| 6 | #define _NET_DSA_8021Q_H |
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| 7 | |
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| 8 | #include <net/dsa.h> |
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| 9 | #include <linux/types.h> |
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| 10 | |
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| 11 | /* VBID is limited to three bits only and zero is reserved. |
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| 12 | * Only 7 bridges can be enumerated. |
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| 13 | */ |
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| 14 | #define DSA_TAG_8021Q_MAX_NUM_BRIDGES 7 |
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| 15 | |
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| 16 | int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); |
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| 17 | |
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| 18 | void dsa_tag_8021q_unregister(struct dsa_switch *ds); |
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| 19 | |
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| 20 | int dsa_tag_8021q_bridge_join(struct dsa_switch *ds, int port, |
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| 21 | struct dsa_bridge bridge, bool *tx_fwd_offload, |
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| 22 | struct netlink_ext_ack *extack); |
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| 23 | |
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| 24 | void dsa_tag_8021q_bridge_leave(struct dsa_switch *ds, int port, |
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| 25 | struct dsa_bridge bridge); |
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| 26 | |
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| 27 | u16 dsa_tag_8021q_bridge_vid(unsigned int bridge_num); |
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| 28 | |
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| 29 | u16 dsa_tag_8021q_standalone_vid(const struct dsa_port *dp); |
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| 30 | |
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| 31 | int dsa_8021q_rx_switch_id(u16 vid); |
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| 32 | |
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| 33 | int dsa_8021q_rx_source_port(u16 vid); |
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| 34 | |
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| 35 | bool vid_is_dsa_8021q(u16 vid); |
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| 36 | |
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| 37 | #endif /* _NET_DSA_8021Q_H */ |
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| 38 | |
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