mirror of https://git.zx2c4.com/WireGuard
42 lines
2.1 KiB
C
42 lines
2.1 KiB
C
/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
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#ifndef ROUTINGTABLE_H
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#define ROUTINGTABLE_H
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#include "wireguard.h"
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#include <linux/mutex.h>
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#include <linux/ip.h>
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#include <linux/ipv6.h>
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struct wireguard_peer;
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struct routing_table_node;
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struct routing_table {
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struct routing_table_node __rcu *root4;
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struct routing_table_node __rcu *root6;
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struct mutex table_update_lock;
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};
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void routing_table_init(struct routing_table *table);
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void routing_table_free(struct routing_table *table);
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int routing_table_insert_v4(struct routing_table *table, const struct in_addr *ip, uint8_t cidr, struct wireguard_peer *peer);
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int routing_table_insert_v6(struct routing_table *table, const struct in6_addr *ip, uint8_t cidr, struct wireguard_peer *peer);
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int routing_table_remove_v4(struct routing_table *table, const struct in_addr *ip, uint8_t cidr);
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int routing_table_remove_v6(struct routing_table *table, const struct in6_addr *ip, uint8_t cidr);
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int routing_table_remove_by_peer(struct routing_table *table, struct wireguard_peer *peer);
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int routing_table_walk_ips(struct routing_table *table, void *ctx, int (*func)(void *ctx, struct wireguard_peer *peer, union nf_inet_addr ip, uint8_t cidr, int family));
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int routing_table_walk_ips_by_peer(struct routing_table *table, void *ctx, struct wireguard_peer *peer, int (*func)(void *ctx, union nf_inet_addr ip, uint8_t cidr, int family));
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int routing_table_walk_ips_by_peer_sleepable(struct routing_table *table, void *ctx, struct wireguard_peer *peer, int (*func)(void *ctx, union nf_inet_addr ip, uint8_t cidr, int family));
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/* These return a strong reference to a peer: */
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struct wireguard_peer *routing_table_lookup_v4(struct routing_table *table, const struct in_addr *ip);
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struct wireguard_peer *routing_table_lookup_v6(struct routing_table *table, const struct in6_addr *ip);
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struct wireguard_peer *routing_table_lookup_dst(struct routing_table *table, struct sk_buff *skb);
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struct wireguard_peer *routing_table_lookup_src(struct routing_table *table, struct sk_buff *skb);
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#ifdef DEBUG
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void routing_table_selftest(void);
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#endif
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#endif
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