63 строки
1.4 KiB
C
63 строки
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
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*/
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#ifndef _NET_DSA_8021Q_H
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#define _NET_DSA_8021Q_H
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#include <linux/refcount.h>
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#include <linux/types.h>
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#include <net/dsa.h>
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struct dsa_switch;
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struct dsa_port;
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struct sk_buff;
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struct net_device;
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struct dsa_tag_8021q_vlan {
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struct list_head list;
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int port;
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u16 vid;
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refcount_t refcount;
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};
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struct dsa_8021q_context {
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struct dsa_switch *ds;
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struct list_head vlans;
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/* EtherType of RX VID, used for filtering on master interface */
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__be16 proto;
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};
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int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
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void dsa_tag_8021q_unregister(struct dsa_switch *ds);
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struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
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u16 tpid, u16 tci);
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void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id);
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int dsa_tag_8021q_bridge_tx_fwd_offload(struct dsa_switch *ds, int port,
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struct dsa_bridge bridge);
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void dsa_tag_8021q_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port,
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struct dsa_bridge bridge);
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u16 dsa_8021q_bridge_tx_fwd_offload_vid(unsigned int bridge_num);
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u16 dsa_tag_8021q_tx_vid(const struct dsa_port *dp);
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u16 dsa_tag_8021q_rx_vid(const struct dsa_port *dp);
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int dsa_8021q_rx_switch_id(u16 vid);
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int dsa_8021q_rx_source_port(u16 vid);
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bool vid_is_dsa_8021q_rxvlan(u16 vid);
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bool vid_is_dsa_8021q_txvlan(u16 vid);
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bool vid_is_dsa_8021q(u16 vid);
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#endif /* _NET_DSA_8021Q_H */
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