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ce80e7bc57
This patch adds an ndm_state member to the switchdev_obj_fdb structure, in order to support static FDB addresses. Set Rocker ndm_state to NUD_REACHABLE. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
287 lines
7.4 KiB
C
287 lines
7.4 KiB
C
/*
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* include/net/switchdev.h - Switch device API
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* Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
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* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef _LINUX_SWITCHDEV_H_
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#define _LINUX_SWITCHDEV_H_
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#include <linux/netdevice.h>
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#include <linux/notifier.h>
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#define SWITCHDEV_F_NO_RECURSE BIT(0)
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enum switchdev_trans {
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SWITCHDEV_TRANS_NONE,
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SWITCHDEV_TRANS_PREPARE,
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SWITCHDEV_TRANS_ABORT,
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SWITCHDEV_TRANS_COMMIT,
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};
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enum switchdev_attr_id {
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SWITCHDEV_ATTR_UNDEFINED,
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SWITCHDEV_ATTR_PORT_PARENT_ID,
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SWITCHDEV_ATTR_PORT_STP_STATE,
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SWITCHDEV_ATTR_PORT_BRIDGE_FLAGS,
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};
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struct switchdev_attr {
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enum switchdev_attr_id id;
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enum switchdev_trans trans;
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u32 flags;
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union {
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struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
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u8 stp_state; /* PORT_STP_STATE */
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unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
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} u;
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};
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struct fib_info;
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enum switchdev_obj_id {
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SWITCHDEV_OBJ_UNDEFINED,
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SWITCHDEV_OBJ_PORT_VLAN,
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SWITCHDEV_OBJ_IPV4_FIB,
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SWITCHDEV_OBJ_PORT_FDB,
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};
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struct switchdev_obj {
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enum switchdev_obj_id id;
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enum switchdev_trans trans;
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int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
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union {
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struct switchdev_obj_vlan { /* PORT_VLAN */
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u16 flags;
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u16 vid_begin;
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u16 vid_end;
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} vlan;
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struct switchdev_obj_ipv4_fib { /* IPV4_FIB */
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u32 dst;
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int dst_len;
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struct fib_info *fi;
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u8 tos;
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u8 type;
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u32 nlflags;
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u32 tb_id;
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} ipv4_fib;
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struct switchdev_obj_fdb { /* PORT_FDB */
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const unsigned char *addr;
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u16 vid;
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u16 ndm_state;
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} fdb;
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} u;
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};
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/**
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* struct switchdev_ops - switchdev operations
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*
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* @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
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*
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* @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
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*
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* @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
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*
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* @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
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*
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* @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
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*/
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struct switchdev_ops {
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int (*switchdev_port_attr_get)(struct net_device *dev,
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struct switchdev_attr *attr);
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int (*switchdev_port_attr_set)(struct net_device *dev,
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struct switchdev_attr *attr);
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int (*switchdev_port_obj_add)(struct net_device *dev,
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struct switchdev_obj *obj);
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int (*switchdev_port_obj_del)(struct net_device *dev,
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struct switchdev_obj *obj);
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int (*switchdev_port_obj_dump)(struct net_device *dev,
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struct switchdev_obj *obj);
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};
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enum switchdev_notifier_type {
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SWITCHDEV_FDB_ADD = 1,
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SWITCHDEV_FDB_DEL,
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};
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struct switchdev_notifier_info {
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struct net_device *dev;
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};
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struct switchdev_notifier_fdb_info {
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struct switchdev_notifier_info info; /* must be first */
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const unsigned char *addr;
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u16 vid;
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};
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static inline struct net_device *
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switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
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{
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return info->dev;
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}
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#ifdef CONFIG_NET_SWITCHDEV
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int switchdev_port_attr_get(struct net_device *dev,
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struct switchdev_attr *attr);
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int switchdev_port_attr_set(struct net_device *dev,
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struct switchdev_attr *attr);
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int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
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int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
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int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj);
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int register_switchdev_notifier(struct notifier_block *nb);
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int unregister_switchdev_notifier(struct notifier_block *nb);
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int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
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struct switchdev_notifier_info *info);
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int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
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struct net_device *dev, u32 filter_mask,
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int nlflags);
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int switchdev_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int switchdev_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh, u16 flags);
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int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
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u8 tos, u8 type, u32 nlflags, u32 tb_id);
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int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
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u8 tos, u8 type, u32 tb_id);
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void switchdev_fib_ipv4_abort(struct fib_info *fi);
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int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
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struct net_device *dev, const unsigned char *addr,
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u16 vid, u16 nlm_flags);
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int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
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struct net_device *dev, const unsigned char *addr,
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u16 vid);
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int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
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struct net_device *dev,
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struct net_device *filter_dev, int idx);
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void switchdev_port_fwd_mark_set(struct net_device *dev,
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struct net_device *group_dev,
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bool joining);
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#else
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static inline int switchdev_port_attr_get(struct net_device *dev,
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struct switchdev_attr *attr)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_attr_set(struct net_device *dev,
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struct switchdev_attr *attr)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_obj_add(struct net_device *dev,
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struct switchdev_obj *obj)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_obj_del(struct net_device *dev,
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struct switchdev_obj *obj)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_obj_dump(struct net_device *dev,
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struct switchdev_obj *obj)
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{
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return -EOPNOTSUPP;
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}
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static inline int register_switchdev_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int unregister_switchdev_notifier(struct notifier_block *nb)
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{
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return 0;
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}
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static inline int call_switchdev_notifiers(unsigned long val,
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struct net_device *dev,
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struct switchdev_notifier_info *info)
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{
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return NOTIFY_DONE;
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}
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static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
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u32 seq, struct net_device *dev,
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u32 filter_mask, int nlflags)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_bridge_setlink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_bridge_dellink(struct net_device *dev,
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struct nlmsghdr *nlh,
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u16 flags)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
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struct fib_info *fi,
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u8 tos, u8 type,
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u32 nlflags, u32 tb_id)
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{
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return 0;
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}
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static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
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struct fib_info *fi,
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u8 tos, u8 type, u32 tb_id)
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{
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return 0;
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}
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static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
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{
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}
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static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
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struct net_device *dev,
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const unsigned char *addr,
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u16 vid, u16 nlm_flags)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
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struct net_device *dev,
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const unsigned char *addr, u16 vid)
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{
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return -EOPNOTSUPP;
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}
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static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
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struct netlink_callback *cb,
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struct net_device *dev,
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struct net_device *filter_dev,
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int idx)
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{
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return -EOPNOTSUPP;
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}
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static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
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struct net_device *group_dev,
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bool joining)
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{
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}
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#endif
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#endif /* _LINUX_SWITCHDEV_H_ */
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