6c31e5a91f
Add extack to fib_notifier_info and plumb through stack to call_fib_rule_notifiers, call_fib_entry_notifiers and call_fib6_entry_notifiers. This allows notifer handlers to return messages to user. Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
#ifndef __NET_FIB_NOTIFIER_H
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#define __NET_FIB_NOTIFIER_H
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/notifier.h>
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#include <net/net_namespace.h>
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struct fib_notifier_info {
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struct net *net;
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int family;
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struct netlink_ext_ack *extack;
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};
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enum fib_event_type {
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FIB_EVENT_ENTRY_REPLACE,
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FIB_EVENT_ENTRY_APPEND,
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FIB_EVENT_ENTRY_ADD,
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FIB_EVENT_ENTRY_DEL,
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FIB_EVENT_RULE_ADD,
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FIB_EVENT_RULE_DEL,
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FIB_EVENT_NH_ADD,
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FIB_EVENT_NH_DEL,
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FIB_EVENT_VIF_ADD,
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FIB_EVENT_VIF_DEL,
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};
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struct fib_notifier_ops {
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int family;
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struct list_head list;
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unsigned int (*fib_seq_read)(struct net *net);
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int (*fib_dump)(struct net *net, struct notifier_block *nb);
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struct module *owner;
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struct rcu_head rcu;
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};
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int call_fib_notifier(struct notifier_block *nb, struct net *net,
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enum fib_event_type event_type,
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struct fib_notifier_info *info);
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int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
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struct fib_notifier_info *info);
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int register_fib_notifier(struct notifier_block *nb,
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void (*cb)(struct notifier_block *nb));
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int unregister_fib_notifier(struct notifier_block *nb);
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struct fib_notifier_ops *
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fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
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void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);
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#endif
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