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Commit cafdb2a0 authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

mlxsw: spectrum_router: Extract mlxsw_sp_netdevice_ipip_can_offload()



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

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 796ec776
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+15 −5
Original line number Diff line number Diff line
@@ -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))