diff options
| author |   Roopa Prabhu <roopa@cumulusnetworks.com> | 2018-09-22 21:26:20 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-09-24 12:21:32 -0700 |
| commit | fc6e8073f304010605f834cb2eb8c07c46461c9d (patch) | |
| tree | d3f4fecf55349f4de7a7c8a9f3faafb394632d20 /include/net/neighbour.h | |
| parent | neighbour: allow admin to set NTF_ROUTER (diff) | |
| download | wireguard-linux-fc6e8073f304010605f834cb2eb8c07c46461c9d.tar.xz wireguard-linux-fc6e8073f304010605f834cb2eb8c07c46461c9d.zip | |
neighbour: send netlink notification if NTF_ROUTER changes
send netlink notification if neigh_update results in NTF_ROUTER
change and if NEIGH_UPDATE_F_ISROUTER is on. Also move the
NTF_ROUTER change function into a helper.
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/neighbour.h')
| -rw-r--r-- | include/net/neighbour.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 6c1eecd56a4d..0874f7fcd859 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -544,4 +544,19 @@ static inline void neigh_update_ext_learned(struct neighbour *neigh, u32 flags, *notify = 1; } } + +static inline void neigh_update_is_router(struct neighbour *neigh, u32 flags, + int *notify) +{ + u8 ndm_flags = 0; + + ndm_flags |= (flags & NEIGH_UPDATE_F_ISROUTER) ? NTF_ROUTER : 0; + if ((neigh->flags ^ ndm_flags) & NTF_ROUTER) { + if (ndm_flags & NTF_ROUTER) + neigh->flags |= NTF_ROUTER; + else + neigh->flags &= ~NTF_ROUTER; + *notify = 1; + } +} #endif |