xref: /OK3568_Linux_fs/kernel/drivers/net/ethernet/chelsio/cxgb4/cxgb4_fcoe.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * This file is part of the Chelsio T4 Ethernet driver for Linux.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright (c) 2015 Chelsio Communications, Inc. All rights reserved.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
7*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
8*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
9*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
10*4882a593Smuzhiyun  * OpenIB.org BSD license below:
11*4882a593Smuzhiyun  *
12*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
13*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
14*4882a593Smuzhiyun  *     conditions are met:
15*4882a593Smuzhiyun  *
16*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
17*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
18*4882a593Smuzhiyun  *        disclaimer.
19*4882a593Smuzhiyun  *
20*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
21*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
22*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
23*4882a593Smuzhiyun  *        provided with the distribution.
24*4882a593Smuzhiyun  *
25*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32*4882a593Smuzhiyun  * SOFTWARE.
33*4882a593Smuzhiyun  */
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #ifndef __CXGB4_FCOE_H__
36*4882a593Smuzhiyun #define __CXGB4_FCOE_H__
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #ifdef CONFIG_CHELSIO_T4_FCOE
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #define CXGB_FCOE_TXPKT_CSUM_START	28
41*4882a593Smuzhiyun #define CXGB_FCOE_TXPKT_CSUM_END	8
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun /* fcoe flags */
44*4882a593Smuzhiyun enum {
45*4882a593Smuzhiyun 	CXGB_FCOE_ENABLED     = (1 << 0),
46*4882a593Smuzhiyun };
47*4882a593Smuzhiyun 
48*4882a593Smuzhiyun struct cxgb_fcoe {
49*4882a593Smuzhiyun 	u8	flags;
50*4882a593Smuzhiyun };
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun int cxgb_fcoe_enable(struct net_device *);
53*4882a593Smuzhiyun int cxgb_fcoe_disable(struct net_device *);
54*4882a593Smuzhiyun bool cxgb_fcoe_sof_eof_supported(struct adapter *, struct sk_buff *);
55*4882a593Smuzhiyun 
56*4882a593Smuzhiyun #endif /* CONFIG_CHELSIO_T4_FCOE */
57*4882a593Smuzhiyun #endif /* __CXGB4_FCOE_H__ */
58