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__ */
58