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neighbour: send netlink notification if NTF_ROUTER changes

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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>
This commit is contained in:
Roopa Prabhu
2018-09-22 21:26:20 -07:00
committed by David S. Miller
parent f7aa74e483
commit fc6e8073f3
2 changed files with 17 additions and 5 deletions
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7
net/core/neighbour.c
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@@ -1280,11 +1280,8 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
neigh->arp_queue_len_bytes = 0;
}
out:
if (update_isrouter) {
neigh->flags = (flags & NEIGH_UPDATE_F_ISROUTER) ?
(neigh->flags | NTF_ROUTER) :
(neigh->flags & ~NTF_ROUTER);
}
if (update_isrouter)
neigh_update_is_router(neigh, flags, &notify);
write_unlock_bh(&neigh->lock);
if (notify)