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504a40113c
Add ipv6_dev_find to ipv6_stub to allow lookup of net_devices by IPV6 address in net/ipv4/icmp.c. Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _IPV6_STUBS_H
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#define _IPV6_STUBS_H
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#include <linux/in6.h>
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#include <linux/netdevice.h>
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#include <linux/skbuff.h>
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#include <net/dst.h>
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#include <net/flow.h>
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#include <net/neighbour.h>
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#include <net/sock.h>
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/* structs from net/ip6_fib.h */
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struct fib6_info;
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struct fib6_nh;
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struct fib6_config;
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struct fib6_result;
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/* This is ugly, ideally these symbols should be built
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* into the core kernel.
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*/
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struct ipv6_stub {
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int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
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const struct in6_addr *addr);
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int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
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const struct in6_addr *addr);
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struct dst_entry *(*ipv6_dst_lookup_flow)(struct net *net,
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const struct sock *sk,
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struct flowi6 *fl6,
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const struct in6_addr *final_dst);
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int (*ipv6_route_input)(struct sk_buff *skb);
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struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
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int (*fib6_lookup)(struct net *net, int oif, struct flowi6 *fl6,
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struct fib6_result *res, int flags);
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int (*fib6_table_lookup)(struct net *net, struct fib6_table *table,
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int oif, struct flowi6 *fl6,
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struct fib6_result *res, int flags);
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void (*fib6_select_path)(const struct net *net, struct fib6_result *res,
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struct flowi6 *fl6, int oif, bool oif_match,
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const struct sk_buff *skb, int strict);
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u32 (*ip6_mtu_from_fib6)(const struct fib6_result *res,
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const struct in6_addr *daddr,
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const struct in6_addr *saddr);
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int (*fib6_nh_init)(struct net *net, struct fib6_nh *fib6_nh,
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struct fib6_config *cfg, gfp_t gfp_flags,
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struct netlink_ext_ack *extack);
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void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
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void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
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int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
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void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
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struct nl_info *info);
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void (*udpv6_encap_enable)(void);
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void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
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const struct in6_addr *solicited_addr,
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bool router, bool solicited, bool override, bool inc_opt);
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#if IS_ENABLED(CONFIG_XFRM)
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void (*xfrm6_local_rxpmtu)(struct sk_buff *skb, u32 mtu);
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int (*xfrm6_udp_encap_rcv)(struct sock *sk, struct sk_buff *skb);
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int (*xfrm6_rcv_encap)(struct sk_buff *skb, int nexthdr, __be32 spi,
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int encap_type);
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#endif
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struct neigh_table *nd_tbl;
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int (*ipv6_fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
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int (*output)(struct net *, struct sock *, struct sk_buff *));
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struct net_device *(*ipv6_dev_find)(struct net *net, const struct in6_addr *addr,
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struct net_device *dev);
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};
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extern const struct ipv6_stub *ipv6_stub __read_mostly;
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/* A stub used by bpf helpers. Similarly ugly as ipv6_stub */
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struct ipv6_bpf_stub {
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int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
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u32 flags);
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struct sock *(*udp6_lib_lookup)(struct net *net,
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const struct in6_addr *saddr, __be16 sport,
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const struct in6_addr *daddr, __be16 dport,
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int dif, int sdif, struct udp_table *tbl,
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struct sk_buff *skb);
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};
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extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly;
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#endif
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