chelsio/cxgb4/cxgb4_fcoe.h

0001 /*
0002  * This file is part of the Chelsio T4 Ethernet driver for Linux.
0003  *
0004  * Copyright (c) 2015 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_FCOE_H__
0036 #define __CXGB4_FCOE_H__
0037
0038 #ifdef CONFIG_CHELSIO_T4_FCOE
0039
0040 #define CXGB_FCOE_TXPKT_CSUM_START  28
0041 #define CXGB_FCOE_TXPKT_CSUM_END    8
0042
0043 /* fcoe flags */
0044 enum {
0045     CXGB_FCOE_ENABLED     = (1 << 0),
0046 };
0047
0048 struct cxgb_fcoe {
0049     u8  flags;
0050 };
0051
0052 int cxgb_fcoe_enable(struct net_device *);
0053 int cxgb_fcoe_disable(struct net_device *);
0054 bool cxgb_fcoe_sof_eof_supported(struct adapter *, struct sk_buff *);
0055
0056 #endif /* CONFIG_CHELSIO_T4_FCOE */
0057 #endif /* __CXGB4_FCOE_H__ */