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mlxsw: spectrum_router: Extract mlxsw_sp_netdevice_ipip_can_offload()

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Some of the code down the road needs this logic as well.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2017-11-03 10:03:30 +01:00 committed by David S. Miller
parent 796ec7769d
commit cafdb2a0d4
1 changed files with 15 additions and 5 deletions
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20
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
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@ -1326,18 +1326,28 @@ mlxsw_sp_ipip_entry_find_by_ol_dev(struct mlxsw_sp *mlxsw_sp,
return NULL;
}
static bool mlxsw_sp_netdevice_ipip_can_offload(struct mlxsw_sp *mlxsw_sp,
const struct net_device *ol_dev,
enum mlxsw_sp_ipip_type ipipt)
{
const struct mlxsw_sp_ipip_ops *ops
= mlxsw_sp->router->ipip_ops_arr[ipipt];
/* For deciding whether decap should be offloaded, we don't care about
* overlay protocol, so ask whether either one is supported.
*/
return ops->can_offload(mlxsw_sp, ol_dev, MLXSW_SP_L3_PROTO_IPV4) ||
ops->can_offload(mlxsw_sp, ol_dev, MLXSW_SP_L3_PROTO_IPV6);
}
static int mlxsw_sp_netdevice_ipip_ol_reg_event(struct mlxsw_sp *mlxsw_sp,
struct net_device *ol_dev)
{
struct mlxsw_sp_router *router = mlxsw_sp->router;
struct mlxsw_sp_ipip_entry *ipip_entry;
enum mlxsw_sp_ipip_type ipipt;
mlxsw_sp_netdev_ipip_type(mlxsw_sp, ol_dev, &ipipt);
if (router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, ol_dev,
MLXSW_SP_L3_PROTO_IPV4) ||
router->ipip_ops_arr[ipipt]->can_offload(mlxsw_sp, ol_dev,
MLXSW_SP_L3_PROTO_IPV6)) {
if (mlxsw_sp_netdevice_ipip_can_offload(mlxsw_sp, ol_dev, ipipt)) {
ipip_entry = mlxsw_sp_ipip_entry_create(mlxsw_sp, ipipt,
ol_dev);
if (IS_ERR(ipip_entry))