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authorDavid Ahern <dsahern@gmail.com>2019-05-22 12:04:39 -0700
committerDavid S. Miller <davem@davemloft.net>2019-05-22 17:48:43 -0700
commit68a9b13d9219a52cd272bd8e93f7fdfd1c22eba1 (patch)
tree1c85744270190e8516292dd9bd55b826de5a429b
parent26b1b8d7f27bfb02cc4d115c48478e02594e318e (diff)
ipv6: Add delete route hook to stubs
Add ip6_del_rt to the IPv6 stub. The hook is needed by the nexthop code to remove entries linked to a nexthop that is getting deleted. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/ipv6_stubs.h1
-rw-r--r--net/ipv6/addrconf_core.c6
-rw-r--r--net/ipv6/af_inet6.c1
3 files changed, 8 insertions, 0 deletions
diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h
index 6c0c4fde16f8..307114a46eee 100644
--- a/include/net/ipv6_stubs.h
+++ b/include/net/ipv6_stubs.h
@@ -45,6 +45,7 @@ struct ipv6_stub {
struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
+ int (*ip6_del_rt)(struct net *net, struct fib6_info *rt);
void (*udpv6_encap_enable)(void);
void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
const struct in6_addr *solicited_addr,
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index 5b1246635e02..783f3c1466da 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -183,6 +183,11 @@ static int eafnosupport_fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
return -EAFNOSUPPORT;
}
+static int eafnosupport_ip6_del_rt(struct net *net, struct fib6_info *rt)
+{
+ return -EAFNOSUPPORT;
+}
+
const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
.ipv6_dst_lookup = eafnosupport_ipv6_dst_lookup,
.ipv6_route_input = eafnosupport_ipv6_route_input,
@@ -192,6 +197,7 @@ const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) {
.fib6_select_path = eafnosupport_fib6_select_path,
.ip6_mtu_from_fib6 = eafnosupport_ip6_mtu_from_fib6,
.fib6_nh_init = eafnosupport_fib6_nh_init,
+ .ip6_del_rt = eafnosupport_ip6_del_rt,
};
EXPORT_SYMBOL_GPL(ipv6_stub);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index c04ae282f4e4..bc2ca61a020a 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -926,6 +926,7 @@ static const struct ipv6_stub ipv6_stub_impl = {
.ip6_mtu_from_fib6 = ip6_mtu_from_fib6,
.fib6_nh_init = fib6_nh_init,
.fib6_nh_release = fib6_nh_release,
+ .ip6_del_rt = ip6_del_rt,
.udpv6_encap_enable = udpv6_encap_enable,
.ndisc_send_na = ndisc_send_na,
.nd_tbl = &nd_tbl,