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bpf: Allow sk_lookup with IPv6 module

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This is a more complete fix than d71019b54b ("net: core: Fix build
with CONFIG_IPV6=m"), so that IPv6 sockets may be looked up if the IPv6
module is loaded (not just if it's compiled in).

Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Joe Stringer
2018-10-15 10:27:45 -07:00
committed by Alexei Starovoitov
parent d04fb13c9f
commit 8a615c6b03
3 changed files with 13 additions and 5 deletions
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5
include/net/addrconf.h
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@@ -265,6 +265,11 @@ extern const struct ipv6_stub *ipv6_stub __read_mostly;
struct ipv6_bpf_stub {
int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
bool force_bind_address_no_port, bool with_lock);
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;