LXR linux/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc

   1/*
   2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3 *
   4 * Copyright (c) 2016 Chelsio Communications, Inc. All rights reserved.
   5 *
   6 * This software is available to you under a choice of one of two
   7 * licenses.  You may choose to be licensed under the terms of the GNU
   8 * General Public License (GPL) Version 2, available from the file
   9 * COPYING in the main directory of this source tree, or the
  10 * OpenIB.org BSD license below:
  11 *
  12 *     Redistribution and use in source and binary forms, with or
  13 *     without modification, are permitted provided that the following
  14 *     conditions are met:
  15 *
  16 *      - Redistributions of source code must retain the above
  17 *        copyright notice, this list of conditions and the following
  18 *        disclaimer.
  19 *
  20 *      - Redistributions in binary form must reproduce the above
  21 *        copyright notice, this list of conditions and the following
  22 *        disclaimer in the documentation and/or other materials
  23 *        provided with the distribution.
  24 *
  25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32 * SOFTWARE.
  33 */
  34
  35#ifndef __CXGB4_TC_U32_H
  36#define __CXGB4_TC_U32_H
  37
  38#include <net/pkt_cls.h>
  39
  40#define CXGB4_MAX_LINK_HANDLE 32
  41
  42static inline bool can_tc_u32_offload(struct net_device *dev)
  43{
  44        struct adapter *adap = netdev2adap(dev);
  45
  46        return (dev->features & NETIF_F_HW_TC) && adap->tc_u32 ? true : false;
  47}
  48
  49int cxgb4_config_knode(struct net_device *dev, __be16 protocol,
  50                       struct tc_cls_u32_offload *cls);
  51int cxgb4_delete_knode(struct net_device *dev, __be16 protocol,
  52                       struct tc_cls_u32_offload *cls);
  53
  54void cxgb4_cleanup_tc_u32(struct adapter *adapter);
  55struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap,
  56                                             unsigned int size);
  57#endif /* __CXGB4_TC_U32_H */
  58