12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 |
- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _IPV6_STUBS_H
- #define _IPV6_STUBS_H
- #include <linux/in6.h>
- #include <linux/netdevice.h>
- #include <linux/skbuff.h>
- #include <net/dst.h>
- #include <net/flow.h>
- #include <net/neighbour.h>
- #include <net/sock.h>
- /* structs from net/ip6_fib.h */
- struct fib6_info;
- struct fib6_nh;
- struct fib6_config;
- struct fib6_result;
- /* This is ugly, ideally these symbols should be built
- * into the core kernel.
- */
- struct ipv6_stub {
- int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
- const struct in6_addr *addr);
- int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
- const struct in6_addr *addr);
- struct dst_entry *(*ipv6_dst_lookup_flow)(struct net *net,
- const struct sock *sk,
- struct flowi6 *fl6,
- const struct in6_addr *final_dst);
- int (*ipv6_route_input)(struct sk_buff *skb);
- struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
- int (*fib6_lookup)(struct net *net, int oif, struct flowi6 *fl6,
- struct fib6_result *res, int flags);
- int (*fib6_table_lookup)(struct net *net, struct fib6_table *table,
- int oif, struct flowi6 *fl6,
- struct fib6_result *res, int flags);
- void (*fib6_select_path)(const struct net *net, struct fib6_result *res,
- struct flowi6 *fl6, int oif, bool oif_match,
- const struct sk_buff *skb, int strict);
- u32 (*ip6_mtu_from_fib6)(const struct fib6_result *res,
- const struct in6_addr *daddr,
- const struct in6_addr *saddr);
- int (*fib6_nh_init)(struct net *net, struct fib6_nh *fib6_nh,
- struct fib6_config *cfg, gfp_t gfp_flags,
- struct netlink_ext_ack *extack);
- void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
- void (*fib6_nh_release_dsts)(struct fib6_nh *fib6_nh);
- void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
- int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
- void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
- struct nl_info *info);
- void (*udpv6_encap_enable)(void);
- void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
- const struct in6_addr *solicited_addr,
- bool router, bool solicited, bool override, bool inc_opt);
- #if IS_ENABLED(CONFIG_XFRM)
- void (*xfrm6_local_rxpmtu)(struct sk_buff *skb, u32 mtu);
- int (*xfrm6_udp_encap_rcv)(struct sock *sk, struct sk_buff *skb);
- int (*xfrm6_rcv_encap)(struct sk_buff *skb, int nexthdr, __be32 spi,
- int encap_type);
- #endif
- struct neigh_table *nd_tbl;
- int (*ipv6_fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
- int (*output)(struct net *, struct sock *, struct sk_buff *));
- struct net_device *(*ipv6_dev_find)(struct net *net, const struct in6_addr *addr,
- struct net_device *dev);
- };
- extern const struct ipv6_stub *ipv6_stub __read_mostly;
- /* A stub used by bpf helpers. Similarly ugly as ipv6_stub */
- struct ipv6_bpf_stub {
- int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
- u32 flags);
- struct sock *(*udp6_lib_lookup)(struct net *net,
- const struct in6_addr *saddr, __be16 sport,
- const struct in6_addr *daddr, __be16 dport,
- int dif, int sdif, struct udp_table *tbl,
- struct sk_buff *skb);
- int (*ipv6_setsockopt)(struct sock *sk, int level, int optname,
- sockptr_t optval, unsigned int optlen);
- int (*ipv6_getsockopt)(struct sock *sk, int level, int optname,
- sockptr_t optval, sockptr_t optlen);
- };
- extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly;
- #endif
|