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H A D | neighbour.c | 53f800e3 Fri Dec 23 02:32:48 CST 2016 Ido Schimmel <idosch@mellanox.com> neigh: Send netevent after marking neigh as dead
neigh_cleanup_and_release() is always called after marking a neighbour as dead, but it only notifies user space and not in-kernel listeners of the netevent notification chain.
This can cause multiple problems. In my specific use case, it causes the listener (a switch driver capable of L3 offloads) to believe a neighbour entry is still valid, and is thus erroneously kept in the device's table.
Fix that by sending a netevent after marking the neighbour as dead.
Fixes: a6bf9e933daf ("mlxsw: spectrum_router: Offload neighbours based on NUD state change") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> 53f800e3 Fri Dec 23 02:32:48 CST 2016 Ido Schimmel <idosch@mellanox.com> neigh: Send netevent after marking neigh as dead neigh_cleanup_and_release() is always called after marking a neighbour as dead, but it only notifies user space and not in-kernel listeners of the netevent notification chain. This can cause multiple problems. In my specific use case, it causes the listener (a switch driver capable of L3 offloads) to believe a neighbour entry is still valid, and is thus erroneously kept in the device's table. Fix that by sending a netevent after marking the neighbour as dead. Fixes: a6bf9e933daf ("mlxsw: spectrum_router: Offload neighbours based on NUD state change") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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