From: Petr Machata <petrm@mellanox.com>
Date: Mon, 25 Jun 2018 10:48:15 +0300
Subject: mlxsw: spectrum_router: Publish mlxsw_sp_rif_find_by_dev()
Patch-mainline: v4.19-rc1
Git-commit: 0c41292bc5ffb4e514652731dfeda1552e2df120
References: bsc#1112374

In order to guard against removal of a PVID for which a FID was
allocated, spectrum_switchdev needs to first determine whether there is
a RIF associated with a given bridge. To that end, publish a preexisting
function mlxsw_sp_rif_find_by_dev().

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c |    6 +-----
 drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h |    2 ++
 2 files changed, 3 insertions(+), 5 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -343,10 +343,6 @@ static void mlxsw_sp_rif_counters_free(s
 	mlxsw_sp_rif_counter_free(mlxsw_sp, rif, MLXSW_SP_RIF_COUNTER_EGRESS);
 }
 
-static struct mlxsw_sp_rif *
-mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp,
-			 const struct net_device *dev);
-
 #define MLXSW_SP_PREFIX_COUNT (sizeof(struct in6_addr) * BITS_PER_BYTE + 1)
 
 struct mlxsw_sp_prefix_usage {
@@ -5964,7 +5960,7 @@ static int mlxsw_sp_router_fib_event(str
 	return NOTIFY_DONE;
 }
 
-static struct mlxsw_sp_rif *
+struct mlxsw_sp_rif *
 mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp,
 			 const struct net_device *dev)
 {
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
@@ -66,6 +66,8 @@ struct mlxsw_sp_neigh_entry;
 struct mlxsw_sp_nexthop;
 struct mlxsw_sp_ipip_entry;
 
+struct mlxsw_sp_rif *mlxsw_sp_rif_find_by_dev(const struct mlxsw_sp *mlxsw_sp,
+					      const struct net_device *dev);
 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,
 					   u16 rif_index);
 u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif);