drivers/net/ethernet/chelsio/cxgb4/cxgb4_fcoe.h

   1 /*
   2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
   3  *
   4  * Copyright (c) 2015 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_FCOE_H__
  36 #define __CXGB4_FCOE_H__
  37
  38 #ifdef CONFIG_CHELSIO_T4_FCOE
  39
  40 #define CXGB_FCOE_TXPKT_CSUM_START      28
  41 #define CXGB_FCOE_TXPKT_CSUM_END        8
  42
  43 /* fcoe flags */
  44 enum {
  45         CXGB_FCOE_ENABLED     = (1 << 0),
  46 };
  47
  48 struct cxgb_fcoe {
  49         u8      flags;
  50 };
  51
  52 int cxgb_fcoe_enable(struct net_device *);
  53 int cxgb_fcoe_disable(struct net_device *);
  54 bool cxgb_fcoe_sof_eof_supported(struct adapter *, struct sk_buff *);
  55
  56 #endif /* CONFIG_CHELSIO_T4_FCOE */
  57 #endif /* __CXGB4_FCOE_H__ */