diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/neighbour.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c index bb6f9ca7a3ce..2401040f799b 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -153,6 +153,24 @@ static void neigh_update_gc_list(struct neighbour *n) write_unlock_bh(&n->tbl->lock); } +static void neigh_update_ext_learned(struct neighbour *neigh, u32 flags, + int *notify) +{ + u8 ndm_flags; + + if (!(flags & NEIGH_UPDATE_F_ADMIN)) + return; + + ndm_flags = (flags & NEIGH_UPDATE_F_EXT_LEARNED) ? NTF_EXT_LEARNED : 0; + if ((neigh->flags ^ ndm_flags) & NTF_EXT_LEARNED) { + if (ndm_flags & NTF_EXT_LEARNED) + neigh->flags |= NTF_EXT_LEARNED; + else + neigh->flags &= ~NTF_EXT_LEARNED; + *notify = 1; + } +} + static bool neigh_del(struct neighbour *n, struct neighbour __rcu **np, struct neigh_table *tbl) { |