forked from Minki/linux
cb0721c7e2
The intent is to add an additional bind parameter in the next commit. Instead of adding another argument, let's convert all existing flag arguments into an extendable bit field. No functional changes. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrey Ignatov <rdna@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20200508174611.228805-4-sdf@google.com
76 lines
2.7 KiB
C
76 lines
2.7 KiB
C
/* 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_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);
|
|
struct neigh_table *nd_tbl;
|
|
};
|
|
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);
|
|
};
|
|
extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly;
|
|
|
|
#endif
|