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ipv6: add ipv6_dev_find to stubs

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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>
This commit is contained in:
Andreas Roeseler 2021-03-29 18:45:43 -07:00 • committed by David S. Miller
parent 08baf54f01
commit 504a40113c
3 changed files with 10 additions and 0 deletions
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2
include/net/ipv6_stubs.h
View file

@ -66,6 +66,8 @@ struct ipv6_stub {
int (*ipv6_fragment)(struct net *net, struct sock *sk, struct sk_buff *skb, int (*ipv6_fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
int (*output)(struct net *, struct sock *, struct sk_buff *)); 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; extern const struct ipv6_stub *ipv6_stub __read_mostly;

7
net/ipv6/addrconf_core.c
View file

@ -198,6 +198,12 @@ static int eafnosupport_ipv6_fragment(struct net *net, struct sock *sk, struct s
return -EAFNOSUPPORT; return -EAFNOSUPPORT;
} }
static struct net_device *eafnosupport_ipv6_dev_find(struct net *net, const struct in6_addr *addr,
struct net_device *dev)
{
return ERR_PTR(-EAFNOSUPPORT);
}
const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) { const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
.ipv6_dst_lookup_flow = eafnosupport_ipv6_dst_lookup_flow, .ipv6_dst_lookup_flow = eafnosupport_ipv6_dst_lookup_flow,
.ipv6_route_input = eafnosupport_ipv6_route_input, .ipv6_route_input = eafnosupport_ipv6_route_input,
@ -209,6 +215,7 @@ const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
.fib6_nh_init = eafnosupport_fib6_nh_init, .fib6_nh_init = eafnosupport_fib6_nh_init,
.ip6_del_rt = eafnosupport_ip6_del_rt, .ip6_del_rt = eafnosupport_ip6_del_rt,
.ipv6_fragment = eafnosupport_ipv6_fragment, .ipv6_fragment = eafnosupport_ipv6_fragment,
.ipv6_dev_find = eafnosupport_ipv6_dev_find,
}; };
EXPORT_SYMBOL_GPL(ipv6_stub); EXPORT_SYMBOL_GPL(ipv6_stub);

1
net/ipv6/af_inet6.c
View file

@ -1032,6 +1032,7 @@ static const struct ipv6_stub ipv6_stub_impl = {
#endif #endif
.nd_tbl = &nd_tbl, .nd_tbl = &nd_tbl,
.ipv6_fragment = ip6_fragment, .ipv6_fragment = ip6_fragment,
.ipv6_dev_find = ipv6_dev_find,
}; };
static const struct ipv6_bpf_stub ipv6_bpf_stub_impl = { static const struct ipv6_bpf_stub ipv6_bpf_stub_impl = {