chelsio/cxgb4/cxgb4_tc_u32.h

0001 /*
0002  * This file is part of the Chelsio T4 Ethernet driver for Linux.
0003  *
0004  * Copyright (c) 2016 Chelsio Communications, Inc. All rights reserved.
0005  *
0006  * This software is available to you under a choice of one of two
0007  * licenses.  You may choose to be licensed under the terms of the GNU
0008  * General Public License (GPL) Version 2, available from the file
0009  * COPYING in the main directory of this source tree, or the
0010  * OpenIB.org BSD license below:
0011  *
0012  *     Redistribution and use in source and binary forms, with or
0013  *     without modification, are permitted provided that the following
0014  *     conditions are met:
0015  *
0016  *      - Redistributions of source code must retain the above
0017  *        copyright notice, this list of conditions and the following
0018  *        disclaimer.
0019  *
0020  *      - Redistributions in binary form must reproduce the above
0021  *        copyright notice, this list of conditions and the following
0022  *        disclaimer in the documentation and/or other materials
0023  *        provided with the distribution.
0024  *
0025  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0026  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
0027  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0028  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
0029  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
0030  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
0031  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
0032  * SOFTWARE.
0033  */
0034
0035 #ifndef __CXGB4_TC_U32_H
0036 #define __CXGB4_TC_U32_H
0037
0038 #include <net/pkt_cls.h>
0039
0040 static inline bool can_tc_u32_offload(struct net_device *dev)
0041 {
0042     struct adapter *adap = netdev2adap(dev);
0043
0044     return (dev->features & NETIF_F_HW_TC) && adap->tc_u32 ? true : false;
0045 }
0046
0047 int cxgb4_config_knode(struct net_device *dev, struct tc_cls_u32_offload *cls);
0048 int cxgb4_delete_knode(struct net_device *dev, struct tc_cls_u32_offload *cls);
0049
0050 void cxgb4_cleanup_tc_u32(struct adapter *adapter);
0051 struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap);
0052 #endif /* __CXGB4_TC_U32_H */