diff options
| author | David Ahern <dsahern@gmail.com> | 2019-05-22 22:04:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-05-23 03:48:43 +0300 |
| commit | cdaa16a4f70cfa6c55641588c3a3eb9b53abd56b (patch) | |
| tree | b834411fd1c1e6ea1d0556e7c96522c8121b5933 | |
| parent | 68a9b13d9219a52cd272bd8e93f7fdfd1c22eba1 (diff) | |
| download | linux-cdaa16a4f70cfa6c55641588c3a3eb9b53abd56b.tar.xz | |
ipv6: Add hook to bump sernum for a route to stubs
Add hook to ipv6 stub to bump the sernum up to the root node for a
route. This is needed by the nexthop code when a nexthop config changes.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/ip6_fib.h | 1 | ||||
| -rw-r--r-- | include/net/ipv6_stubs.h | 1 | ||||
| -rw-r--r-- | net/ipv6/af_inet6.c | 1 | ||||
| -rw-r--r-- | net/ipv6/ip6_fib.c | 8 |
4 files changed, 11 insertions, 0 deletions
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h index 525f701653ca..d038d02cbc3c 100644 --- a/include/net/ip6_fib.h +++ b/include/net/ip6_fib.h @@ -485,6 +485,7 @@ int fib6_tables_dump(struct net *net, struct notifier_block *nb); void fib6_update_sernum(struct net *net, struct fib6_info *rt); void fib6_update_sernum_upto_root(struct net *net, struct fib6_info *rt); +void fib6_update_sernum_stub(struct net *net, struct fib6_info *f6i); void fib6_metric_set(struct fib6_info *f6i, int metric, u32 val); static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric) diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h index 307114a46eee..97f42e16b3b3 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); + void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt); 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, diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index bc2ca61a020a..55138f0d2b9d 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, + .fib6_update_sernum = fib6_update_sernum_stub, .ip6_del_rt = ip6_del_rt, .udpv6_encap_enable = udpv6_encap_enable, .ndisc_send_na = ndisc_send_na, diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 008421b550c6..df726fb8f70f 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1222,6 +1222,14 @@ void fib6_update_sernum_upto_root(struct net *net, struct fib6_info *rt) __fib6_update_sernum_upto_root(rt, fib6_new_sernum(net)); } +/* allow ipv4 to update sernum via ipv6_stub */ +void fib6_update_sernum_stub(struct net *net, struct fib6_info *f6i) +{ + spin_lock_bh(&f6i->fib6_table->tb6_lock); + fib6_update_sernum_upto_root(net, f6i); + spin_unlock_bh(&f6i->fib6_table->tb6_lock); +} + /* * Add routing information to the routing tree. * <destination addr>/<source addr> |