GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

ipv6: Add hook to bump sernum for a route to stubs

Browse source 
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>
This commit is contained in:
David Ahern 2019-05-22 12:04:40 -07:00 • committed by David S. Miller
parent 68a9b13d92
commit cdaa16a4f7
4 changed files with 11 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/net/ip6_fib.h
View file

@ -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(struct net *net, struct fib6_info *rt);
void fib6_update_sernum_upto_root(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); void fib6_metric_set(struct fib6_info *f6i, int metric, u32 val);
static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric) static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric)

1
include/net/ipv6_stubs.h
View file

@ -45,6 +45,7 @@ struct ipv6_stub {
struct fib6_config *cfg, gfp_t gfp_flags, struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack); struct netlink_ext_ack *extack);
void (*fib6_nh_release)(struct fib6_nh *fib6_nh); 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); int (*ip6_del_rt)(struct net *net, struct fib6_info *rt);
void (*udpv6_encap_enable)(void); void (*udpv6_encap_enable)(void);
void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr, void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,

1
net/ipv6/af_inet6.c
View file

@ -926,6 +926,7 @@ static const struct ipv6_stub ipv6_stub_impl = {
.ip6_mtu_from_fib6 = ip6_mtu_from_fib6, .ip6_mtu_from_fib6 = ip6_mtu_from_fib6,
.fib6_nh_init = fib6_nh_init, .fib6_nh_init = fib6_nh_init,
.fib6_nh_release = fib6_nh_release, .fib6_nh_release = fib6_nh_release,
.fib6_update_sernum = fib6_update_sernum_stub,
.ip6_del_rt = ip6_del_rt, .ip6_del_rt = ip6_del_rt,
.udpv6_encap_enable = udpv6_encap_enable, .udpv6_encap_enable = udpv6_encap_enable,
.ndisc_send_na = ndisc_send_na, .ndisc_send_na = ndisc_send_na,

8
net/ipv6/ip6_fib.c
View file

@ -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)); __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. * Add routing information to the routing tree.
* <destination addr>/<source addr> * <destination addr>/<source addr>