diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 47 |
1 files changed, 15 insertions, 32 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 54e19e988c01..9dbb573d53ea 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -1578,13 +1578,7 @@ mlxsw_sp_ipip_entry_find_by_ul_dev(const struct mlxsw_sp *mlxsw_sp, static bool mlxsw_sp_netdev_is_ipip_ul(struct mlxsw_sp *mlxsw_sp, const struct net_device *dev) { - bool is_ipip_ul; - - mutex_lock(&mlxsw_sp->router->lock); - is_ipip_ul = mlxsw_sp_ipip_entry_find_by_ul_dev(mlxsw_sp, dev, NULL); - mutex_unlock(&mlxsw_sp->router->lock); - - return is_ipip_ul; + return mlxsw_sp_ipip_entry_find_by_ul_dev(mlxsw_sp, dev, NULL); } static bool mlxsw_sp_netdevice_ipip_can_offload(struct mlxsw_sp *mlxsw_sp, @@ -1969,7 +1963,6 @@ static int mlxsw_sp_netdevice_ipip_ol_event(struct mlxsw_sp *mlxsw_sp, struct netlink_ext_ack *extack; int err = 0; - mutex_lock(&mlxsw_sp->router->lock); switch (event) { case NETDEV_REGISTER: err = mlxsw_sp_netdevice_ipip_ol_reg_event(mlxsw_sp, ol_dev); @@ -2000,7 +1993,6 @@ static int mlxsw_sp_netdevice_ipip_ol_event(struct mlxsw_sp *mlxsw_sp, err = mlxsw_sp_netdevice_ipip_ol_update_mtu(mlxsw_sp, ol_dev); break; } - mutex_unlock(&mlxsw_sp->router->lock); return err; } @@ -2045,9 +2037,8 @@ mlxsw_sp_netdevice_ipip_ul_event(struct mlxsw_sp *mlxsw_sp, struct netdev_notifier_info *info) { struct mlxsw_sp_ipip_entry *ipip_entry = NULL; - int err = 0; + int err; - mutex_lock(&mlxsw_sp->router->lock); while ((ipip_entry = mlxsw_sp_ipip_entry_find_by_ul_dev(mlxsw_sp, ul_dev, ipip_entry))) { @@ -2060,7 +2051,7 @@ mlxsw_sp_netdevice_ipip_ul_event(struct mlxsw_sp *mlxsw_sp, if (err) { mlxsw_sp_ipip_demote_tunnel_by_ul_netdev(mlxsw_sp, ul_dev); - break; + return err; } if (demote_this) { @@ -2077,9 +2068,8 @@ mlxsw_sp_netdevice_ipip_ul_event(struct mlxsw_sp *mlxsw_sp, ipip_entry = prev; } } - mutex_unlock(&mlxsw_sp->router->lock); - return err; + return 0; } int mlxsw_sp_router_nve_promote_decap(struct mlxsw_sp *mlxsw_sp, u32 ul_tb_id, @@ -9427,15 +9417,12 @@ mlxsw_sp_netdevice_offload_xstats_cmd(struct mlxsw_sp *mlxsw_sp, struct netdev_notifier_offload_xstats_info *info) { struct mlxsw_sp_rif *rif; - int err = 0; - mutex_lock(&mlxsw_sp->router->lock); rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); - if (rif) - err = mlxsw_sp_router_port_offload_xstats_cmd(rif, event, info); - mutex_unlock(&mlxsw_sp->router->lock); + if (!rif) + return 0; - return err; + return mlxsw_sp_router_port_offload_xstats_cmd(rif, event, info); } static bool mlxsw_sp_is_router_event(unsigned long event) @@ -9456,33 +9443,27 @@ static int mlxsw_sp_netdevice_router_port_event(struct net_device *dev, struct netlink_ext_ack *extack = netdev_notifier_info_to_extack(ptr); struct mlxsw_sp *mlxsw_sp; struct mlxsw_sp_rif *rif; - int err = 0; mlxsw_sp = mlxsw_sp_lower_get(dev); if (!mlxsw_sp) return 0; - mutex_lock(&mlxsw_sp->router->lock); rif = mlxsw_sp_rif_find_by_dev(mlxsw_sp, dev); if (!rif) - goto out; + return 0; switch (event) { case NETDEV_CHANGEMTU: case NETDEV_CHANGEADDR: - err = mlxsw_sp_router_port_change_event(mlxsw_sp, rif, extack); - break; + return mlxsw_sp_router_port_change_event(mlxsw_sp, rif, extack); case NETDEV_PRE_CHANGEADDR: - err = mlxsw_sp_router_port_pre_changeaddr_event(rif, ptr); - break; + return mlxsw_sp_router_port_pre_changeaddr_event(rif, ptr); default: WARN_ON_ONCE(1); break; } -out: - mutex_unlock(&mlxsw_sp->router->lock); - return err; + return 0; } static int mlxsw_sp_port_vrf_join(struct mlxsw_sp *mlxsw_sp, @@ -9535,7 +9516,6 @@ mlxsw_sp_netdevice_vrf_event(struct net_device *l3_dev, unsigned long event, if (!mlxsw_sp || netif_is_macvlan(l3_dev)) return 0; - mutex_lock(&mlxsw_sp->router->lock); switch (event) { case NETDEV_PRECHANGEUPPER: break; @@ -9550,7 +9530,6 @@ mlxsw_sp_netdevice_vrf_event(struct net_device *l3_dev, unsigned long event, } break; } - mutex_unlock(&mlxsw_sp->router->lock); return err; } @@ -9566,6 +9545,8 @@ static int mlxsw_sp_router_netdevice_event(struct notifier_block *nb, router = container_of(nb, struct mlxsw_sp_router, netdevice_nb); mlxsw_sp = router->mlxsw_sp; + mutex_lock(&mlxsw_sp->router->lock); + if (mlxsw_sp_is_offload_xstats_event(event)) err = mlxsw_sp_netdevice_offload_xstats_cmd(mlxsw_sp, dev, event, ptr); @@ -9580,6 +9561,8 @@ static int mlxsw_sp_router_netdevice_event(struct notifier_block *nb, else if (mlxsw_sp_is_vrf_event(event, ptr)) err = mlxsw_sp_netdevice_vrf_event(dev, event, ptr); + mutex_unlock(&mlxsw_sp->router->lock); + return notifier_from_errno(err); } |