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mlxsw: spectrum_router: Remove batch neighbour deletion causing FW bug
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This reverts commit 63dd00f.

RAUHT DELETE_ALL seems to trigger a bug in FW. That manifests by later
calls to RAUHT ADD of an IPv6 neighbor to fail with "bad parameter"
error code.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Fixes: 63dd00f ("mlxsw: spectrum_router: Add batch neighbour deletion")
Reviewed-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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Petr Machata authored and David S. Miller committed Dec 19, 2017
1 parent 748a240 commit 8ba6b30
Showing 1 changed file with 3 additions and 12 deletions.
15 changes: 3 additions & 12 deletions drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
Original file line number Diff line number Diff line change
Expand Up @@ -2436,25 +2436,16 @@ static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp)
rhashtable_destroy(&mlxsw_sp->router->neigh_ht);
}

static int mlxsw_sp_neigh_rif_flush(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_rif *rif)
{
char rauht_pl[MLXSW_REG_RAUHT_LEN];

mlxsw_reg_rauht_pack(rauht_pl, MLXSW_REG_RAUHT_OP_WRITE_DELETE_ALL,
rif->rif_index, rif->addr);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(rauht), rauht_pl);
}

static void mlxsw_sp_neigh_rif_gone_sync(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_rif *rif)
{
struct mlxsw_sp_neigh_entry *neigh_entry, *tmp;

mlxsw_sp_neigh_rif_flush(mlxsw_sp, rif);
list_for_each_entry_safe(neigh_entry, tmp, &rif->neigh_list,
rif_list_node)
rif_list_node) {
mlxsw_sp_neigh_entry_update(mlxsw_sp, neigh_entry, false);
mlxsw_sp_neigh_entry_destroy(mlxsw_sp, neigh_entry);
}
}

enum mlxsw_sp_nexthop_type {
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