diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c | 16 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h | 6 |
2 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c index a1c4b1e63f8d..0378cccc8182 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c @@ -1,7 +1,7 @@ /* * drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.c - * Copyright (c) 2017 Mellanox Technologies. All rights reserved. - * Copyright (c) 2017 Petr Machata <petrm@mellanox.com> + * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved. + * Copyright (c) 2017-2018 Petr Machata <petrm@mellanox.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -122,6 +122,13 @@ mlxsw_sp_ipip_netdev_daddr(enum mlxsw_sp_l3proto proto, return (union mlxsw_sp_l3addr) {0}; } +bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr) +{ + union mlxsw_sp_l3addr naddr = {0}; + + return !memcmp(&addr, &naddr, sizeof(naddr)); +} + static int mlxsw_sp_ipip_nexthop_update_gre4(struct mlxsw_sp *mlxsw_sp, u32 adj_index, struct mlxsw_sp_ipip_entry *ipip_entry) @@ -215,15 +222,14 @@ static bool mlxsw_sp_ipip_tunnel_complete(enum mlxsw_sp_l3proto proto, { union mlxsw_sp_l3addr saddr = mlxsw_sp_ipip_netdev_saddr(proto, ol_dev); union mlxsw_sp_l3addr daddr = mlxsw_sp_ipip_netdev_daddr(proto, ol_dev); - union mlxsw_sp_l3addr naddr = {0}; /* Tunnels with unset local or remote address are valid in Linux and * used for lightweight tunnels (LWT) and Non-Broadcast Multi-Access * (NBMA) tunnels. In principle these can be offloaded, but the driver * currently doesn't support this. So punt. */ - return memcmp(&saddr, &naddr, sizeof(naddr)) && - memcmp(&daddr, &naddr, sizeof(naddr)); + return !mlxsw_sp_l3addr_is_zero(saddr) && + !mlxsw_sp_l3addr_is_zero(daddr); } static bool mlxsw_sp_ipip_can_offload_gre4(const struct mlxsw_sp *mlxsw_sp, diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h index a4ff5737eccc..888f19000209 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h @@ -1,7 +1,7 @@ /* * drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h - * Copyright (c) 2017 Mellanox Technologies. All rights reserved. - * Copyright (c) 2017 Petr Machata <petrm@mellanox.com> + * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved. + * Copyright (c) 2017-2018 Petr Machata <petrm@mellanox.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -46,6 +46,8 @@ union mlxsw_sp_l3addr mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto, const struct net_device *ol_dev); +bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr); + enum mlxsw_sp_ipip_type { MLXSW_SP_IPIP_TYPE_GRE4, MLXSW_SP_IPIP_TYPE_MAX, |