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net/ipv6: Add fib lookup stubs for use in bpf helper

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Add stubs to retrieve a handle to an IPv6 FIB table, fib6_get_table,
a stub to do a lookup in a specific table, fib6_table_lookup, and
a stub for a full route lookup.

The stubs are needed for core bpf code to handle the case when the
IPv6 module is not builtin.

Signed-off-by: David Ahern <dsahern@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
David Ahern
2018-05-09 20:34:25 -07:00
committed by Daniel Borkmann
parent d4bea421f7
commit 65a2022e89
3 changed files with 51 additions and 2 deletions
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14
include/net/addrconf.h
View File

@@ -223,6 +223,20 @@ struct ipv6_stub {
const struct in6_addr *addr);
int (*ipv6_dst_lookup)(struct net *net, struct sock *sk,
struct dst_entry **dst, struct flowi6 *fl6);
struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
struct fib6_info *(*fib6_lookup)(struct net *net, int oif,
struct flowi6 *fl6, int flags);
struct fib6_info *(*fib6_table_lookup)(struct net *net,
struct fib6_table *table,
int oif, struct flowi6 *fl6,
int flags);
struct fib6_info *(*fib6_multipath_select)(const struct net *net,
struct fib6_info *f6i,
struct flowi6 *fl6, int oif,
const struct sk_buff *skb,
int strict);
void (*udpv6_encap_enable)(void);
void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
const struct in6_addr *solicited_addr,