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9c7caf2806
The sja1105 implementation can be blind about this, but the felix driver doesn't do exactly what it's being told, so it needs to know whether it is a TX or an RX VLAN, so it can install the appropriate type of TCAM rule. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
147 lines
2.9 KiB
C
147 lines
2.9 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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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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