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| author | David Ahern <dsahern@gmail.com> | 2019-04-06 01:30:24 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-04-09 00:22:40 +0200 |
| commit | 1aefd3de7bc667115bb77cb0bc21e874c7e190fc (patch) | |
| tree | cb139989f63ebc52363410cb0042136172c0e209 | |
| parent | net: phy: improve link partner capability detection (diff) | |
| download | linux-1aefd3de7bc667115bb77cb0bc21e874c7e190fc.tar.xz linux-1aefd3de7bc667115bb77cb0bc21e874c7e190fc.zip | |
ipv6: Add fib6_nh_init and release to stubs
Add fib6_nh_init and fib6_nh_release to ipv6_stubs. If fib6_nh_init fails,
callers should not invoke fib6_nh_release, so there is no reason to have
a dummy stub for the IPv6 is not enabled case.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/ipv6_stubs.h | 6 | ||||
| -rw-r--r-- | net/ipv6/addrconf_core.c | 9 | ||||
| -rw-r--r-- | net/ipv6/af_inet6.c | 2 |
3 files changed, 17 insertions, 0 deletions
diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h index d8d9c0b0e8c0..453b55bf6723 100644 --- a/include/net/ipv6_stubs.h +++ b/include/net/ipv6_stubs.h @@ -12,6 +12,8 @@ /* structs from net/ip6_fib.h */ struct fib6_info; +struct fib6_nh; +struct fib6_config; /* This is ugly, ideally these symbols should be built * into the core kernel. @@ -40,6 +42,10 @@ struct ipv6_stub { u32 (*ip6_mtu_from_fib6)(struct fib6_info *f6i, struct in6_addr *daddr, 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 (*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 945b66e3008f..e37e4c5871f7 100644 --- a/net/ipv6/addrconf_core.c +++ b/net/ipv6/addrconf_core.c @@ -173,6 +173,14 @@ eafnosupport_ip6_mtu_from_fib6(struct fib6_info *f6i, struct in6_addr *daddr, return 0; } +static int eafnosupport_fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh, + struct fib6_config *cfg, gfp_t gfp_flags, + struct netlink_ext_ack *extack) +{ + NL_SET_ERR_MSG(extack, "IPv6 support not enabled in kernel"); + 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, @@ -181,6 +189,7 @@ const struct ipv6_stub *ipv6_stub __read_mostly = &(struct ipv6_stub) { .fib6_lookup = eafnosupport_fib6_lookup, .fib6_multipath_select = eafnosupport_fib6_multipath_select, .ip6_mtu_from_fib6 = eafnosupport_ip6_mtu_from_fib6, + .fib6_nh_init = eafnosupport_fib6_nh_init, }; EXPORT_SYMBOL_GPL(ipv6_stub); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 1789bf99c419..1dac6ea6666a 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -919,6 +919,8 @@ static const struct ipv6_stub ipv6_stub_impl = { .fib6_lookup = fib6_lookup, .fib6_multipath_select = fib6_multipath_select, .ip6_mtu_from_fib6 = ip6_mtu_from_fib6, + .fib6_nh_init = fib6_nh_init, + .fib6_nh_release = fib6_nh_release, .udpv6_encap_enable = udpv6_encap_enable, .ndisc_send_na = ndisc_send_na, .nd_tbl = &nd_tbl, |