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147 lines
2.9 KiB
147 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0 |
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* Copyright (c) 2019, Vladimir Oltean <[email protected]> |
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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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struct dsa_switch; |
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struct sk_buff; |
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struct net_device; |
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struct packet_type; |
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struct dsa_8021q_context; |
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struct dsa_8021q_crosschip_link { |
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struct list_head list; |
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int port; |
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struct dsa_8021q_context *other_ctx; |
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int other_port; |
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refcount_t refcount; |
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}; |
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struct dsa_8021q_ops { |
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int (*vlan_add)(struct dsa_switch *ds, int port, u16 vid, u16 flags); |
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int (*vlan_del)(struct dsa_switch *ds, int port, u16 vid); |
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}; |
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struct dsa_8021q_context { |
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const struct dsa_8021q_ops *ops; |
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struct dsa_switch *ds; |
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struct list_head crosschip_links; |
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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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#define DSA_8021Q_N_SUBVLAN 8 |
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#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) |
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int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled); |
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int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port, |
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struct dsa_8021q_context *other_ctx, |
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int other_port); |
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int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port, |
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struct dsa_8021q_context *other_ctx, |
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int other_port); |
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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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u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port); |
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u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port); |
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u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan); |
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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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u16 dsa_8021q_rx_subvlan(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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#else |
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int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled) |
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{ |
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return 0; |
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} |
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int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port, |
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struct dsa_8021q_context *other_ctx, |
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int other_port) |
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{ |
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return 0; |
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} |
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int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port, |
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struct dsa_8021q_context *other_ctx, |
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int other_port) |
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{ |
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return 0; |
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} |
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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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{ |
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return NULL; |
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} |
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u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port) |
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{ |
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return 0; |
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} |
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u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port) |
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{ |
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return 0; |
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} |
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u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan) |
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{ |
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return 0; |
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} |
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int dsa_8021q_rx_switch_id(u16 vid) |
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{ |
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return 0; |
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} |
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int dsa_8021q_rx_source_port(u16 vid) |
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{ |
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return 0; |
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} |
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u16 dsa_8021q_rx_subvlan(u16 vid) |
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{ |
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return 0; |
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} |
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bool vid_is_dsa_8021q_rxvlan(u16 vid) |
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{ |
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return false; |
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} |
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bool vid_is_dsa_8021q_txvlan(u16 vid) |
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{ |
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return false; |
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} |
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bool vid_is_dsa_8021q(u16 vid) |
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{ |
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return false; |
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} |
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#endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */ |
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#endif /* _NET_DSA_8021Q_H */
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